1 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9 2006-08-04 Jan Hubicka <jh@suse.cz>
13 * reload.c (push_reload): Patch out the mismatching instruction;
15 (find_reload): Bail out if the instruction was patched out.
17 2006-08-04 Jan Hubicka <jh@suse.cz>
19 PR tree-optimization/24888
20 * tree-inline.c (expand_call_inline): Do not re-record variables.
21 (declare_inline_vars): Add variable to unexpanded_var_list.
23 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
24 Roger Sayle <roger@eyesopen.com>
26 PR rtl-optimization/26244
27 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
28 inner_const are negative or greater than or equal to the bitsize of
29 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
30 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
31 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
32 CONST0_RTX (mode) when the new shift count is greater than or equal to
33 to the bitsize of the object being shifted and XEXP (y, 0) has no side
36 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
38 * tree-cfg.c: Fix a comment typo.
40 2006-08-03 Mark Mitchell <mark@codesourcery.com>
43 * varasm.c (output_constant): Give the front end another chance to
44 expand constants, after stripping NOPs.
46 2006-08-03 Jan Hubicka <jh@suse.cz>
48 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
51 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
53 PR tree-optimization/27770
54 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
55 declaration removed (moved to tree-flow.h).
56 (vect_can_force_dr_alignment_p): Likewise.
57 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
58 (moved from tree-vectorizer.h).
59 (vect_can_force_dr_alignment_p): Likewise.
60 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
61 from outside the vectorizer - in particular from cgraph stage.
62 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
63 the alignment of global arrays when -fsection-anchors is enabled.
64 * cgraphunit.c (cgraph_increase_alignment): New function.
65 (cgraph_optimize): Call cgraph_increase_alignment.
67 2006-08-03 David Edelsohn <edelsohn@gnu.org>
70 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
71 not reload a SPE symbol_ref into a lo_sum address.
73 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
76 * dwarf2out.c (prune_unused_types_prune): Move call to
77 prune_unused_types_update_strings to cover the parent DIE also.
79 2006-08-02 Jan Hubicka <jh@suse.cz>
82 * tree-cfg.c (change_bb_for_stmt): New function.
83 (tree_merge_blocks, tree_split_blocks): Use it.
85 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
91 * toplev.c (compile_file): Return early on errorcount or sorrycount.
92 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
93 (cgraph_optimize): Likewise.
95 2006-08-01 Stuart Hastings <stuart@apple.com>
97 * rtl.h (UINTVAL) New.
98 * config/rs6000/rs6000.c (SMALL_INT) Use it.
99 * testsuite/gcc.dg/20060801-1.c: New.
101 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
104 * c-typeck.c (build_external_type): Mark used enum types.
105 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
107 (gen_subprogram_die): Whitespace fix.
109 2006-08-01 Jan Hubicka <jh@suse.cz>
111 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
112 bitmap when not needed.
113 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
116 2006-08-01 Dirk Mueller <dmueller@suse.de>
118 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
120 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
122 * Makefile.in: Revert part of previous patch:
123 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
126 2006-07-30 Eric Christopher <echristo@apple.com>
129 * doc/extend.texi (i386 Variable Attributes): Add anchor.
130 (PowerPC Variable Attributes): New section.
132 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
134 PR target/28126 (partial fix)
135 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
137 2006-07-28 Jan Hubicka <jh@suse.cz>
139 PR rtl-optimization/28071
140 * cfgrtl.c (rtl_delete_block): Free regsets.
141 * flow.c (allocate_bb_life_data): Re-use regsets if available.
143 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
145 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
146 and variables used in dependencies.
148 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
150 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
151 %fs for -mcmodel=kernel.
152 (stack_tls_protect_test_di): Likewise.
154 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
156 * Makefile.in: Use mkinstalldirs.
158 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
161 * opts-common.c (prune_options): Skip joined switches.
163 2006-07-27 Jan Hubicka <jh@suse.cz>
165 PR rtl-optimization/28071
166 * cselib.c (cselib_process_insn): Don't remove useless values too
167 often for very large hashtables.
169 2006-07-27 Jan Hubicka <jh@suse.cz>
171 PR rtl-optimization/28071
172 * global.c (greg_obstack): New obstack.
173 (allocate_bb_info): Use it.
174 (free_bb_info): Likewise.
175 (modify_reg_pav): Likewise.
177 2006-07-27 Roger Sayle <roger@eyesopen.com>
179 * builtins.c (fold_fixed_mathfn): When long and long long are the
180 same size, canonicalize llceil*, llfloor*, llround* and llrint*
181 functions to their lceil*, lfloor*, lround* and lrint* forms.
183 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
186 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
188 (rev_branch_insn): Likewise.
190 2006-07-27 Jan Hubicka <jh@suse.cz>
192 PR rtl-optimization/28071
193 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
194 (reg_set_in_bb, max_reg_computed): New static variables.
195 (regmove_optimize): Free the new array.
196 (fixup_match_1): Update call of reg_is_remote_constant_p.
198 2006-07-26 Jan Hubicka <jh@suse.cz>
200 PR tree-optimization/27882
201 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
203 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
205 (cgraph_analyze_compilation_unit): Likewise.
206 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
207 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
208 (cgraph_early_inlinine): Make order garbage collected.
209 * Makefile.in (gt-ipa-inline): New garbagecollected file.
211 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
213 * dbxout.c (output_types_sort): Add a comment.
214 (output_used_types): Free the VEC.
216 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
218 * function.c (reorder_fix_fragments): Delete.
219 (reorder_blocks): Don't call it.
220 (reorder_blocks_1): Put all subblocks under the origin block.
222 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
224 PR rtl-optimization/27907
225 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
228 2006-07-25 Roger Sayle <roger@eyesopen.com>
231 * convert.c (convert_to_integer): When transforming (T)foo(x) into
232 bar(x) check that bar's result type can represent all the values of T.
234 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
236 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
238 2006-07-25 Nick Clifton <nickc@redhat.com>
240 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
242 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
243 (ggc_pch_count_object): Likewise.
244 (ggc_pch_alloc_object): Likewise.
245 (ggc_pch_write_object): Likewise.
246 (init_ggc): Do not attempt to initialize entries in the
247 size_lookup[] array for objects whose size is greater than than
248 the length of the array.
250 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
252 * dbxout.c (output_used_types_helper): Push queued types
254 (output_types_sort): New.
255 (output_used_types): Collect used types on a VEC and sort them
258 2006-07-24 Richard Guenther <rguenther@suse.de>
261 * cgraph.c (cgraph_remove_node): Do not check if dumps
263 * cgraphunit.c (cgraph_optimize): Likewise.
265 2006-07-24 Jan Hubicka <jh@suse.cz>
267 PR rtl-optimization/28071
268 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
269 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
270 splitting before first stmt.
272 2006-07-24 Jan Hubicka <jh@suse.cz>
274 PR rtl-optimization/28071
275 * ipa-inline.c (update_caller_keys): Remove edges that
276 are no longer inline candidates.
278 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
281 * dbxout.c (output_used_types_helper, output_used_types): New.
282 (dbxout_symbol): Call output_used_types.
284 2006-07-23 Jan Hubicka <jh@suse.cz>
288 * cgraph.c (cgraph_varpool_nodes): Export.
289 (decide_is_variable_needed): Ignored "used" attribute in
291 * cgraph.h (cgraph_varpool_nodes): Declare.
292 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
295 2006-07-23 Roger Sayle <roger@eyesopen.com>
298 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
299 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
300 the __gthrw form of thr_keycreate.
301 (__gthread_key_delete): Silence the unused argument warning.
303 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
306 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
307 Cache the last found '\0' marker to avoid quadratic behavior.
309 2006-07-23 Jan Hubicka <jh@suse.cz>
311 * i386.md (subsi_3_zext): Fix output template.
313 2006-07-21 Mike Stump <mrs@apple.com>
315 * doc/invoke.texi (C++ Dialect Options): Note that
316 -fvisibility-inlines-hidden doesn't affect explicitly
317 instantiationed inline methods.
319 2006-07-20 Roger Sayle <roger@eyesopen.com>
321 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
322 if the target assembler is GNU binutils' gas.
323 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
324 whether to pass GNU gas or native as command line options.
326 2006-07-20 Jason Merrill <jason@redhat.com>
328 * tree.c (remove_attribute): New fn.
329 * tree.h: Declare it.
331 2006-07-20 Paul Brook <paul@codesourcery.com>
334 * cse.c (cse_insn): Add destination addresses to hash table. Check if
335 they are invalidated by this instruction.
337 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
340 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
342 2006-07-20 Eric Christopher <echristo@apple.com>
345 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
347 2006-07-19 Eric Christopher <echristo@apple.com>
349 * config/t-slibgcc-darwin (stmp-lipo): Remove.
350 Rewrite dependencies for libgcc_s.1.dylib.
352 2006-07-19 Jakub Jelinek <jakub@redhat.com>
354 * except.c (duplicate_eh_regions_1): Clear next_peer.
356 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
358 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
359 -mlongcall does not guarantee all calls will be long.
360 * doc/extend.texi (long_call/short_call): Document that longcall
361 does not guarantee a long call will be used.
362 (longcall/shortcall): Likewise.
364 2006-07-18 Roger Sayle <roger@eyesopen.com>
367 * expmed.c (expand_shift): Additionally check that the shift_cost
368 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
369 before implementing a LSHIFT_EXPR as a sequence of additions.
370 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
371 middle-end that DImode shifts need to be synthesized by expand.
373 2006-07-18 Diego Novillo <dnovillo@redhat.com>
376 * tree-ssa-operands.c (access_can_touch_variable): Update
378 Return true if ALIAS is .GLOBAL_VAR.
380 2006-07-18 David Daney <ddaney@avtrex.com>
382 * gcc.c (display_help): Fix typo in help text.
384 2006-07-18 Olivier Hainque <hainque@adacore.com>
386 * tree.h (categorize_ctor_elements): Adjust prototype and add
387 descriptive comment, both in accordance with the interface change
389 * varasm.c (constructor_static_from_elts_p): New function.
390 Whether a constructor node is a valid static constant initializer
391 if all its elements are.
392 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
393 * output.h: Declare it.
394 * expr.c (categorize_ctor_elements_1): Return whether the constructor
395 is a valid constant initializer instead of computing the number of
396 non-constant elements. Use constructor_static_from_elts_p for this
397 purpose. Replace the head comment with an indication that this is a
398 helper for categorize_ctor_elements.
399 (categorize_ctor_elements): Same interface change as for the _1
400 helper. Former head comment from this helper moved here, adjusted to
401 account for the interface changes.
402 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
403 (all_zeros_p): Likewise.
404 * gimplify.c (gimplify_init_constructor): Decide whether we can make
405 static versions of the constructor from the categorize_ctor_elements
406 return value instead of the formerly computed number of non-constant
409 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
411 * configure: Regenerate.
412 * Makefile.in (build_libsubdir): New configure substitution
413 (build_libobjdir): New variable.
414 (BUILD_LIBIBERTY): Use it.
416 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
419 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
421 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
424 * c-common.c (handle_weakref_attribute): Ignore attribute in
425 the same conditions the alias attribute is ignored.
427 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
429 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
430 (dbxout_begin_prologue): Increment scope_labelno.
432 2006-07-17 Richard Henderson <rth@redhat.com>
435 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
438 2006-07-17 Roger Sayle <roger@eyesopen.com>
439 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
441 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
442 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
443 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
444 functions such as sbrk, write, etc.. Add function prototypes.
445 Convert function declarations from K&R to ISO C. Cast pointers
446 to "long" and "unsigned long" instead of "int" and "unsigned int".
447 Convert tokens following #endif into comments.
449 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
451 * invoke.texi: Remove mention of f77; Reformat table for
452 inline parameter options correctly; mention that -malign-double
453 is default on x86-64 targets.
455 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
457 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
458 (convert_affine_scev, chrec_convert_aggressive): Use
459 avoid_arithmetics_in_type_p. Do not check for the subtypes
462 2006-07-17 Richard Sandiford <richard@codesourcery.com>
465 * optabs.c (expand_doubleword_shift): Wrap the call to
466 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
468 2006-07-17 Richard Sandiford <richard@codesourcery.com>
471 * optabs.c (expand_binop): Pass next_methods rather than methods
472 to expand_doubleword_shift.
474 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
477 * tree.h (dump_addr): Declare.
478 * print-tree.c (dump_addr): New function.
479 (print_node_brief, print_node): Use it.
480 * print-rtl.c (print_rtx): Likewise.
481 * common.opt (-fdump-noaddr): New option.
482 * doc/invoke.texi (-fdump-noaddr): Document.
483 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
484 (ve_info_hash): Likewise.
486 2006-07-13 Andrew Haley <aph@redhat.com>
488 PR tree-optimization/19505
489 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
490 edge leaving this block, make sure that the destination of this
491 block has only one predecessor.
493 2006-07-17 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/28238
496 * tree-inline.c (copy_bb): Check if we produced valid
497 gimple copying and substituting a stmt. If not, gimplify
500 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
502 * optabs.c (maybe_encapsulate_block): New function extracted from...
503 (emit_libcall_block): ...here. Invoke it on the block of insns to
504 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
505 (emit_no_conflict_block): Likewise.
507 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
509 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
511 2006-07-15 Roger Sayle <roger@eyesopen.com>
513 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
514 a new NOP_EXPR case of the switch statement.
516 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
519 * stor-layout.c (place_field): Take the bit field with
520 an excessive size into account in the ms-bitfiled case.
523 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
524 the previous bit field.
526 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
529 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
531 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
533 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
534 signal frames correctly even when the signal was installed with
537 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
539 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
540 (dbxout_function_end): Use local label LFBB. Remove hook
542 (dbxout_source_line): Use local label LFBB.
543 (dbxout_block): Likewise.
544 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
545 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
546 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
549 2006-07-13 Janis Johnson <janis187@us.ibm.com>
551 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
553 2006-07-13 Jan Hubicka <jh@suse.cz>
555 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
557 * output.h (align_variable): Declare.
558 * varasm.c (align_variable): Export.
559 * value-prof.c (tree_value_profile_transformations): Recompute iterator
560 when basic block changed.
562 2006-07-13 Nick Clifton <nickc@redhat.com>
564 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
565 walking the LOG_LINKS chain.
567 2006-07-12 Geoffrey Keating <geoffk@apple.com>
569 * doc/invoke.texi (C++ Dialect Options): Explain difference
570 between -fvisibility-inlines-hidden and setting hidden
571 visibility explicitly.
573 2006-07-12 Eric Christopher <echristo@apple.com>
575 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
576 (stmp-lipo): Depend on libgcc.a.
578 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
580 * tree.c: Fix a comment typo.
582 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
584 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
586 (umulhisi3_r): Likewise.
588 2006-07-12 Paolo Carlini <pcarlini@suse.de>
591 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
592 x < 19, vs wchar_t support.
594 2006-07-12 Nick Clifton <nickc@redhat.com>
596 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
599 2006-07-12 Mike Stump <mrs@apple.com>
601 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
603 2006-07-10 Eric Christopher <echristo@apple.com>
605 * config/t-slibgcc-darwin: Rewrite.
607 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
610 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
613 2006-07-08 Matthias Klose <doko@debian.org>
615 * doc/sourcebuild.texi: Fix typo.
617 2006-07-07 Mike Stump <mrs@apple.com>
619 * toplev.c (process_options): Don't give -ffunction-sections may
620 affect debugging warning for Mach-O.
622 2006-07-07 James E Wilson <wilson@specifix.com>
624 * config/mips/mips.md (cpu): Add sb1a.
625 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
626 addition to sb1. Adjust comments to clarify SB-1A differences from
628 (ir_sb1a_load): New. Modify bypasses to use it.
629 (ir_sb1a_simple_alu): Likewise.
630 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
631 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
632 (mips_issue_rate): Add PROCESSOR_SB1A.
633 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
634 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
635 (TARGET_SB1): Add PROCESSOR_SB1A check.
636 (TUNE_SB1): Likewise.
638 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
639 * config/mips/mips.c (mips_store_data_bypass_p): New.
640 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
643 2006-07-08 Paul Brook <paul@codesourcery.com>
646 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
648 2006-07-07 Richard Guenther <rguenther@suse.de>
651 * tree.h (build_one_cst): Declare.
652 * tree.c (build_one_cst): New function.
653 * tree-ssa-math-opts.c (get_constant_one): Remove.
654 (insert_reciprocals): Use build_one_cst.
655 * fold-const.c (fold_plusminus_mult): Likewise.
657 2006-07-07 Roger Sayle <roger@eyesopen.com>
659 * pointer-set.c (pointer_set_destroy): Correct whitespace.
660 * cfgloopanal.c (dump_graph): Likewise.
661 * dojump.c (discard_pending_stack_adjust): Likewise.
662 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
664 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
665 * function.c (finalize_block_changes): Likewise.
666 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
667 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
668 * rtl.c (dump_rtx_statistics): Likewise.
669 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
671 * varray.c (dump_varray_statistics): Likewise.
672 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
673 decode_decimal64, encode_decimal128, decode_decimal128,
674 decimal_real_to_decimal): Likewise.
676 2006-07-07 Richard Guenther <rguenther@suse.de>
678 PR tree-optimization/28187
679 * tree-vrp.c (vrp_operand_equal_p): New function.
680 (vrp_bitmap_equal_p): Likewise.
681 (update_value_range): Use them to compare old and new
684 2006-07-06 Roger Sayle <roger@eyesopen.com>
686 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
687 a default case to switch statement to silence compiler warnings.
689 2006-07-06 Roger Sayle <roger@eyesopen.com>
692 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
693 the configured assembler supports the x87's ffreep mnemonic.
694 * configure: Regenerate.
695 * config.in: Regenerate.
697 * config/i386/i386.c (output_387_ffreep): New function.
698 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
699 (output_387_reg_move): Likewise.
701 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
703 Port to hosts whose 'sort' and 'tail' implementations
704 treat operands with leading '+' as file names, as POSIX
705 has required since 2001. However, make sure the code still
706 works on pre-POSIX hosts.
707 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
708 which says you should use "tail -c +N" rather than "tail +Nc".
709 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
711 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
713 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
716 2006-07-06 David Edelsohn <edelsohn@gnu.org>
719 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
720 PRE_{INC,DEC} of TFmode.
722 2006-07-06 David Edelsohn <edelsohn@gnu.org>
723 Alan Modra <amodra@bigpond.net.au>
726 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
729 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
732 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
733 Remove duplicate gtu.
735 2006-07-05 Jason Merrill <jason@redhat.com>
739 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
740 * c-common.c (handle_packed_attribute): So don't copy it here.
741 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
743 2006-07-05 Mike Stump <mrs@apple.com>
745 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
747 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
750 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
752 2006-07-05 Richard Guenther <rguenther@suse.de>
755 * config/i386/i386.md (*negdf2_1): Restrict pattern to
756 TARGET_SSE2 targets if using SSE math.
757 (*absdf2_1): Likewise.
759 2006-07-05 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/28162
762 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
763 make sure to convert the operands to the correct type.
765 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
767 PR tree-optimization/28218
769 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
770 to calculate and free the dominator information.
772 2006-07-04 Peter O'Gorman <peter@pogma.com>
774 * mklibgcc.in: chmod 644 before ranlib during install.
776 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
777 J"orn Rennecke <joern.rennecke@st.com>
779 * configure.ac (.eh_frame data check): Use diff -b.
781 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
784 * Makefile.in (BUILD_RTL): Add build/vec.o.
785 (build/gencondmd.o): Filter out -fkeep-inline-functions.
786 (build/genextract): Delete.
787 (build/genautomata): Likewise.
789 2006-07-04 Alan Modra <amodra@bigpond.net.au>
792 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
793 128-bit IBM long doubles for ABI_V4.
795 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
797 * tree.c (range_in_array_bounds_p): New predicate.
798 * tree.h (range_in_array_bounds_p): Declare it.
799 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
800 return a less conservative answer.
801 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
803 (IS_ELEMENT_FOR_GROUP): New macro.
804 (FOR_EACH_ACTUAL_CHILD): Likewise.
805 (next_child_for_group): New helper function.
806 (can_completely_scalarize_p): Take into account groups.
807 (sra_hash_tree): Handle RANGE_EXPR.
808 (sra_elt_eq): Likewise.
809 (lookup_element): Be prepared for handling groups.
810 (is_valid_const_index): Delete.
811 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
812 instead of is_valid_const_index.
813 <ARRAY_RANGE_REF>: New case.
814 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
815 is_valid_const_index.
816 <ARRAY_RANGE_REF>: Do not unconditionally punt.
817 (scan_dump): Dump info for groups too.
818 (decide_instantiation_1): Likewise.
819 (decide_block_copy): Assert that the element is not a group.
820 Propagate decision to groups.
821 (generate_one_element_ref): Handle RANGE_EXPR.
822 (mark_no_warning): Iterate over actual childs.
823 (generate_copy_inout): Likewise.
824 (generate_element_copy): Likewise.
825 (generate_element_zero): Likewise.
826 (generate_element_init_1): Likewise.
827 (dump_sra_elt_name): Handle RANGE_EXPR.
829 2006-07-03 Roger Sayle <roger@eyesopen.com>
831 PR tree-optimization/26251
832 * tree-ssa-threadupdate.c (redirection_block_p): New function.
833 (thread_block): When optimizing for size refuse to thread jumps
834 that would require duplication of blocks other than redirection
837 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
839 * configure.ac: Fix thinko in previous check-in.
840 * configure: Regenerate.
842 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
845 * configure.ac (for lang...): Simplify nesting of conditionals.
846 Test subdir_requires for non-enabled languages. Move processing
847 of lang_opt_files and lang_tree_fiels below that test.
848 * configure: Regenerate.
849 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
851 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
853 * doc/gcov.texi (Invoking Gcov): Add a missing word.
855 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
857 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
860 2006-06-29 Jason Merrill <jason@redhat.com>
867 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
868 * c-common.c (c_determine_visibility): Handle it here.
869 * c-decl.c (finish_decl): Call c_determine_visibility for
871 * flags.h (enum symbol_visibility): Sort from most to least visibility.
873 * varasm.c (default_assemble_visibility): Likewise.
874 * c-common.c (handle_visibility_attribute): Complain about trying
875 to give visibility to an already defined class, or trying to change
876 declared visibility. Always attach the attribute.
881 * attribs.c (decl_attributes): Ignore type-in-place attributes
882 once the type has been defined.
884 2006-06-29 Roger Sayle <roger@eyesopen.com>
887 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
888 to indicate the cpplib has issued an error message for us.
890 2006-06-29 Asher Langton <langton2@llnl.gov>
893 * config/i386/i386.c (ix86_output_function_epilogue): Don't
894 insert a label at the end of an function under Mach-O.
896 2006-06-29 Eric Christopher <echristo@apple.com>
897 Evan Cheng <evan.cheng@apple.com>
899 * predicates.md (vector_all_ones_operand): New.
900 (nonimmediate_or_sse_const_operand): Ditto.
901 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
902 * config/i386/i386.c (standard_sse_constant_opcode): Define.
903 (standard_sse_mode_p): Ditto.
904 (standard_sse_constant_p): Add case for -1 vector.
905 (ix86_expand_vector_move): Try to use.
906 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
907 Call standard_sse_constant_opcode.
908 (*movv4sf_internal): Ditto.
909 (*movv2df_internal): Ditto.
911 2006-06-29 Roger Sayle <roger@eyesopen.com>
913 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
914 of XEXP to extract the operands of a MATCH_CODE rtx.
916 2006-06-28 Andrew Pinski <pinskia@gmail.com>
918 * tree.c (tree_size): Do not waste tail padding in
919 struct tree_string and make the size be the same as
920 build_string will generate.
922 2006-06-28 Jason Merrill <jason@redhat.com>
925 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
926 may_aliases already in the tag's annotations to the bitmap.
928 2006-06-28 Roger Sayle <roger@eyesopen.com>
930 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
932 2006-06-28 Roger Sayle <roger@eyesopen.com>
934 * genpreds.c (generate_switch_p): New function.
935 (add_mode_tests): Push the new mode test down inside an AND expr
936 if this allows the switch-suitable MATCH_CODE to be near the root.
937 (write_match_code_switch): New function to write a MATCH_CODE as
939 (write_predicate_stmts): New function to write a predicate RTX
940 expression as a sequence of statements.
941 (write_one_predicate_function): Use write_predicate_stmts.
942 (write_tm_constrs_h): Likewise.
944 2006-06-26 Fred Fish <fnf@specifix.com>
946 * config/mips/t-sb1: New file.
947 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
950 2006-06-26 DJ Delorie <dj@redhat.com>
952 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
954 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
955 Jayant Sonar <jayants@kpitcummins.com>
956 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
958 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
959 (subsi3, subsi3_1, subsi3_2): New.
960 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
961 * config/m32c/mov.md (SI mov peephole): New.
962 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
963 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
965 2006-06-26 Olivier Hainque <hainque@adacore.com>
967 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
968 a CALL_EXPR target function declaration.
970 2006-06-26 Richard Guenther <rguenther@suse.de>
972 * tree.c (build_string): Do not waste tail padding in
975 2006-06-26 Richard Guenther <rguenther@suse.de>
977 * ggc-page.c (init_ggc): Add missing element to size_lookup
981 2006-06-23 Richard Guenther <rguenther@suse.de>
983 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
984 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
985 alignment requests instead. Add verification code.
986 Add struct tree_function_decl and struct tree_binfo size to
987 extra_order_size_table. Add missing element to size_lookup
990 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
993 * fold-const.c (const_binop): Be prepared for self returning zero.
994 Simplify code handling complex values.
996 2006-06-24 Olivier Hainque <hainque@adacore.com>
998 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
999 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1002 2006-06-24 Olivier Hainque <hainque@adacore.com>
1004 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1005 ARRAY_REF, so have the callback called for the low bound expression.
1007 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1009 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1010 * c-typeck.c (c_common_type): Disallow operations on decimal float
1011 types and other float types.
1012 * convert.c (convert_to_real): Don't ignore conversions involving
1013 decimal float types.
1015 2006-06-23 Olivier Hainque <hainque@adacore.com>
1017 * tree.c (max_int_size_in_bytes): New function, inspired from
1018 code in function.c:assign_temp.
1019 * tree.h (max_int_size_in_bytes): Declare.
1020 * function.c (assign_temp): Use it.
1021 * gimplify.c (create_tmp_var): Relax the assertions on the type
1022 properties, not mandating constant size any more.
1023 (force_constant_size): New static function.
1024 (gimple_add_tmp_var): Use it, forcing variable size to a
1025 constant upper bound if it is not constant on entry.
1027 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1030 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1031 for initialization and setting of one_only flag to ...
1032 (i386_pe_encode_section_info): ...here.
1033 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1034 Recheck that the symbol has not been defined.
1036 2006-06-23 Richard Guenther <rguenther@suse.de>
1038 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1039 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1040 alignment requests instead. Add verification code.
1041 Add struct tree_function_decl and struct tree_binfo size to
1042 extra_order_size_table. Add missing element to size_lookup
1045 2006-06-22 Roger Sayle <roger@eyesopen.com>
1046 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1049 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1050 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1052 2006-06-23 Ben Elliston <bje@au.ibm.com>
1054 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1055 negate dn -- manipulate it directly.
1057 2006-06-22 Roger Sayle <roger@eyesopen.com>
1058 Steven Bosscher <stevenb.gcc@gmail.com>
1061 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1062 generated by gen_move_insn to add REG_LABEL notes if necessary.
1064 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1066 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1067 (leaf_entry): Remove use of MIN_ESA.
1069 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1071 PR rtl-optimization/28121
1072 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1075 2006-06-21 DJ Delorie <dj@redhat.com>
1077 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1079 (mulhisi3_r): Likewise.
1081 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1084 * coverage.c (coverage_counter_alloc): Leave the index type
1086 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1089 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1091 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1092 section from the "Options for Code Generation Conventions".
1094 2006-06-21 Richard Henderson <rth@redhat.com>
1098 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1100 (global_symbolic_operand): Allow weak symbols, even if local_p.
1102 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1104 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1105 (find_interesting_uses_address): Punt if above function returns true.
1107 2006-06-21 Richard Guenther <rguenther@suse.de>
1109 * configure: Regenerated.
1111 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1113 * config/mips/mips.c (function_arg): Where one part of a
1114 complex argument is in registers and the other part in the stack,
1115 return a REG not a PARALLEL.
1117 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1119 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1120 when cross-compiling. Do not substitute libstdcxx_incdir.
1121 * configure: Regenerated.
1123 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1125 * varasm.c (mergeable_string_section): Check for embedded NULs and
1126 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1127 rather than TREE_STRING_LENGTH bytes.
1129 2006-06-21 Richard Guenther <rguenther@suse.de>
1131 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1132 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1135 2006-06-21 Richrad Guenther <rguenther@suse.de>
1137 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1138 Limit iteration over the dominators.
1140 2006-06-20 Roger Sayle <roger@eyesopen.com>
1142 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1143 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1145 2006-06-20 Richard Guenther <rguenther@suse.de>
1146 Michael Matz <matz@suse.de>
1148 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1150 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1151 * et-forest.h (et_free_pools): Prototype new function.
1152 * et-forest.c (et_free_tree_force): Free parent occurrence.
1153 (et_free_pools): New function.
1154 * dominance.c (free_dominance_info): Free et-forest alloc
1157 2006-06-20 Roger Sayle <roger@eyesopen.com>
1159 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1160 integer modes, attempt to directly construct an integer constant.
1162 * fold-const.c (native_encode_vector): Determine the size of each
1163 element from the vector type instead of the first vector element.
1165 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1166 if all of its elements/components are constant.
1167 (build_constructor_from_list): Likewise.
1169 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1171 PR tree-optimization/27331
1172 * tree-data-ref.c (free_data_ref): New function.
1173 (create_data_ref): Fail if the data reference has unknown access
1175 (free_data_refs): Use free_data_ref.
1177 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1180 * tree-inline.c (setup_one_parameter): Strip useless
1181 type conversion before adding it to the IR.
1182 (declare_return_variable): Likewise.
1184 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1187 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1189 2006-06-19 Mike Stump <mrs@apple.com>
1191 * tree.c (variably_modified_type_p): VM arguments don't make the
1194 2006-06-19 Richard Guenther <rguenther@suse.de>
1196 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1197 type conversions after folding.
1199 2006-06-19 Richard Guenther <rguenther@suse.de>
1201 * ggc-page.c (extra_order_size_tab): Add entries with
1202 size of struct function and basic_block.
1203 (size_lookup): Extend to cover sizes up to 511.
1204 (ggc_alloc_stat): Adjust user.
1205 (ggc_pch_count_object): Likewise.
1206 (ggc_pch_alloc_object): Likewise.
1207 (ggc_pch_write_object): Likewise.
1209 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1211 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1212 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1215 2006-06-19 Denis Chertykov <denisc@overta.ru>
1217 * config/avr/libgcc.S : Correct my wrong previous commit.
1219 2006-06-19 Roger Sayle <roger@eyesopen.com>
1222 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1223 have stripped a SUBREG from the shift count, so we may need to
1224 convert_to_mode back to the type's mode before calling make_tree.
1225 Use new_amount instead of amount to avoid expanding a tree twice.
1227 2006-06-19 Richard Guenther <rguenther@suse.de>
1230 * fold-const.c (operand_equal_p): Check if the argument types
1231 have the same precision before stripping NOPs.
1233 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1235 Fix PR tree-optimization/27341
1236 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1238 * tree-complex.c (pass_lower_complex): Update SMT usage.
1240 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1242 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1243 Add a new alternative to the constraint strings. Add move of
1244 operand 1 to 3 to the splitter definition.
1245 ("doloop_si_long"): Second contraint alternative removed.
1247 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1249 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1250 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1252 (AVR_HAVE_MOVW) Define.
1253 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1254 (ASM_SPEC): Add avr25.
1255 (LINK_SPEC): Add avr25.
1256 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1257 (base_arch_s): Add new member 'have_movw_lpmx'.
1258 (avr_arch_types): Init 'have_movw_lpmx'.
1259 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1260 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1261 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1262 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1263 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1265 (avr_file_start): Do not output '.arh' derective.
1266 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1267 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1268 * config/avr/avr.md (mcu_enhanced): Delete.
1269 (mcu_have_movw): Define.
1270 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1271 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1272 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1273 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1274 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1275 attiny861 and at86rf401 devices.
1277 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1279 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1282 2006-06-17 Karl Berry <karl@gnu.org>
1284 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1285 doc/gccint.texi, doc/install.texi (@dircategory): Use
1286 "Software development" instead of "Programming", following
1287 the Free Software Directory.
1289 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1291 * config/i386/i386.c (legitimate_tls_address)
1292 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1293 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1294 (*tls_dynamic_gnu2_combine_64): Likewise.
1296 2006-06-16 Richard Guenther <rguenther@suse.de>
1299 * fold-const.c (negate_expr_p): Do not introduce undefined
1300 overflow in negating INTEGER_CSTs.
1301 (fold_negate_expr): Rename from negate_expr. Revert last
1302 change for folding BIT_NOT_EXPR. Change semantics to
1303 return NULL_TREE for non-simplified negations. Do not
1304 strip type conversions and unify type handling.
1305 (negate_expr): New function, wrap around fold_negate_expr
1306 but ensure building a tree always. Strip type conversions
1307 here, fold to result type.
1308 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1310 2006-06-16 Roger Sayle <roger@eyesopen.com>
1313 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1314 that (would) return their results in stack registers.
1316 2006-06-16 Michael Matz <matz@suse.de>
1317 Richard Guenther <rguenther@suse.de>
1319 * fold-const.c (fold_truthop): Only return new tree node if
1320 we canonicalized something.
1322 2006-06-16 Richard Guenther <rguenther@suse.de>
1324 * function.h (enum function_frequency): Move declaration
1325 out of struct function.
1326 (struct function): Move bool fields and the enum to the bitfield
1327 section. Reorder elements to avoid padding. Remove unused
1328 fields left over from the RTL inliner removal.
1329 * function.c (free_after_compilation): Do not zero removed fields.
1330 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1331 (ipa-type-escape.o): Likewise.
1333 2006-06-16 Richard Guenther <rguenther@suse.de>
1335 * cgraph.h (struct cgraph_local_info): Turn bool elements
1337 (struct cgraph_node): Likewise.
1338 (struct cgraph_varpool_node): Likewise.
1340 2006-06-15 Richard Guenther <rguenther@suse.de>
1342 * fold-const.c (fold_truth_not_expr): Rename from
1343 invert_truthvalue. Give it fold_* semantics to avoid
1345 (invert_truthvalue): New function. Wrapper around
1346 fold_truth_not_expr.
1347 (optimize_minmax_comparison): Avoid creating garbage.
1348 (fold_unary): Use fold_truth_not_expr for folding
1350 (fold_ternary): Replace uses of invert_truthvalue with
1351 fold_truth_not_expr where applicable.
1352 * tree.h (fold_truth_not_expr): Prototype.
1354 2006-06-16 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/27781
1357 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1358 * ipa-pure-const.c (target.h): Include.
1359 (analyze_function): Do not analyze functions that do not
1362 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1365 * tree-dfa.c (referenced_vars_dup_list): Remove.
1366 (find_referenced_vars): Remove assert.
1367 (referenced_var_check_and_insert): Replace dup list with assert.
1368 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1369 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1371 2006-06-15 Richard Guenther <rguenther@suse.de>
1373 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1374 extra unused identifiers if not dumping.
1375 (create_variable_info_for): Likewise.
1377 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1379 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1380 (derive_constant_upper_bound): Derive more precise upper bound in
1381 common cases. Return type changed to double_int.
1382 (record_estimate): Reflect the changed return type of
1383 derive_constant_upper_bound.
1384 * double-int.c (double_int_zext, double_int_sext): Fix.
1386 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1388 * configure.ac (CFLAGS): Get them from the toplevel or from the
1389 configure invocation.
1390 * configure: Regenerate.
1391 * Makefile.in (CFLAGS): Substitute value provided by configure.
1393 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1396 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1397 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1398 rather than calling add_stmt on it.
1399 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1401 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1404 * reload1.c (reload): Remove registers returned by update_eliminables
1405 from used_spill_regs.
1407 2006-06-13 DJ Delorie <dj@redhat.com>
1409 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1411 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1413 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1414 html__strip_dir, html__mkdir_p. Enhance install-html target.
1415 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1416 * configure: Regenerate.
1418 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1420 * fold-const.c (fold_cond_expr_with_comparison): Check for
1421 Objective-C++ as language in deciding COND_EXPR transformation.
1423 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1426 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1427 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1428 * config/sh/lib1funcs.h (SL, SL1): Define.
1429 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1430 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1431 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1432 (OBJS_Os_4_200): New variable.
1433 ($(T)libgcc-Os-4-200.a): Use it.
1434 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1435 when dividing 1 and/or by 0.
1437 2006-06-13 Roger Sayle <roger@eyesopen.com>
1439 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1440 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1441 * configure: Regenerate.
1443 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1445 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1446 for real instruction.
1448 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1451 * haifa-sched.c (check_cfg): Handle special case.
1453 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1456 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1457 Add debug_info parameter. Chain the vars to the BLOCK instead
1458 of the BIND_EXPR if debug info are requested for them.
1459 (pop_gimplify_context): Adjust for above change.
1460 (gimple_add_tmp_var): Likewise.
1461 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1463 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1464 (convert_local_reference): Likewise.
1465 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1466 (finalize_nesting_tree_1): Request that debug info be emitted
1467 for debug_var_chain.
1469 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1471 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1472 for PR target/27863.
1474 2006-06-13 Richard Guenther <rguenther@suse.de>
1477 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1479 2006-06-13 Richard Guenther <rguenther@suse.de>
1481 PR tree-optimization/27830
1482 * tree-inline.c (copy_body_r): For copying the operand
1483 of an ADDR_EXPR make sure to fold &* afterwards.
1485 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1487 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1488 lvalues in the fb_none case with side-effects.
1490 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1492 * tree-flow.h: Remove the prototype for
1493 compute_phi_arg_on_exit.
1494 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1495 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1498 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1500 * builtins.c (expand_builtin_return_addr): Only use
1501 frame_pointer_rtx when count == 0 and we are expanding
1502 __builtin_return_address.
1504 2006-06-12 Fred Fish <fnf@specifix.com>
1506 * config/mips/mips.c (mips_file_start): Create special section
1507 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1509 2006-06-11 Eric Christopher <echristo@apple.com>
1512 * stor-layout.c (place_field): Remove check for
1513 remaining_in_alignment when aligning at the end of a run.
1515 2006-06-11 Eric Christopher <echristo@apple.com>
1518 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1521 2006-06-11 Roger Sayle <roger@eyesopen.com>
1524 Revert incorrect fix for PR target/27158
1525 2006-05-08 Roger Sayle <roger@eyesopen.com>
1526 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1527 of a reg_equiv_constant if the result is a legitimate constant.
1529 2006-06-11 Roger Sayle <roger@eyesopen.com>
1532 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1533 extract a CONST_VECTOR element and interpret it as an integer.
1534 (vspltis_constant): Use const_vector_elt_as_int instead of the
1535 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1536 * config/rs6000/predicates.md (easy_vector_const): Consider
1537 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1539 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1542 * stor-layout.c (update_alignment_for_field): Don't add extra
1543 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1546 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1548 * config/mips/t-rtems: Add EL/EB multilib variants.
1550 2006-06-09 Mike Stump <mrs@apple.com>
1552 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1554 2006-06-09 David Daney <ddaney@avtrex.com>
1556 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1558 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1560 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1562 2006-06-09 Richard Guenther <rguenther@suse.de>
1564 PR tree-optimization/26998
1565 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1566 of signed types, only TYPE_MIN_VALUE is special, but for both,
1567 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1568 in this case, as is -fwrapv.
1570 2006-06-08 Mike Stump <mrs@apple.com>
1573 * config/darwin.c (darwin_asm_output_anchor): Disable
1574 -fsection-anchors on darwin for now.
1575 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1576 * rs6000/rs6000.c (optimization_options): Likewise.
1578 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1581 * config/i386/i386.c (classify_argument): Skip fields with invalid
1584 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1586 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1587 (cse_insn): Likewise for the stack_pointer_rtx.
1589 2006-06-08 Roger Sayle <roger@eyesopen.com>
1591 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1592 conditions from floating point comparisons.
1594 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1597 * expmed.c (struct alg_hash_entry): Fix type of field T
1598 to match synth_mult argument.
1599 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1601 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1604 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1607 2006-06-08 Richard Guenther <rguenther@suse.de>
1610 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1611 only, if overflow is defined and not trapping.
1612 (negate_expr): Likewise.
1614 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1616 PR tree-optimization/27872
1617 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1618 flag on the new exit edge of the unrolled loop.
1620 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1622 PR rtl-optimization/26449
1623 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1625 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1628 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1629 referenced_variables with matching DECL_UID's.
1630 (find_referenced_vars): Make sure duplicate list is empty to start.
1631 (referenced_var_p): Remove.
1632 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1633 Check if var is in the list, and add if needed. Update the duplicate
1634 list if a different var is in the list with the same DECL_UID.
1635 (add_referenced_var): Call routine to check and insert.
1636 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1637 * tree-flow.h (referenced_vars_dup_list): External declaration.
1639 2006-06-07 Fred Fish <fnf@specifix.com>
1641 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1644 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1647 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1648 the imaginary and real parts of a clobbered register.
1649 Emit insn to set the imaginary part.
1651 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1653 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1654 in lieu of unwind-dw2-fde.c.
1656 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1658 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1660 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1663 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1664 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1665 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1666 V4SImode temporaries and operations instead.
1668 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1670 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1673 2006-06-06 Mike Stump <mrs@apple.com>
1675 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1676 installing during build.
1678 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1680 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1682 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1683 * config/ia64/ia64.c (params.h): New header.
1684 (ia64_optimization_options): New function to adjust parameters.
1685 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1686 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1687 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1689 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1691 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1693 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1696 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1698 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1699 Victor Kaplansky <victork@il.ibm.com>
1701 PR tree-optimization/26360
1702 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1705 2006-06-04 Roger Sayle <roger@eyesopen.com>
1706 Andrew Pinski <pinskia@physics.uc.edu>
1709 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1710 for LABEL_DECL before calling DECL_WEAK.
1713 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1714 LABEL_DECL and PARM_DECL.
1716 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1720 * c-decl.c (grokdeclarator): Disallow variably modified types at
1721 file scope. Avoid marking shared array type of constant size as
1724 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1727 * c-common.c (fold_offsetof_1): Handle static members.
1729 2006-06-04 Eric Christopher <echristo@apple.com>
1731 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1732 (debug_rli): Output value for remaining_in_alignment.
1733 (update_alignment_for_field): Unconditionalize
1734 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1735 extra alignment code.
1736 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1737 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1738 * tree.h (record_layout_info_s): Remove prev_packed.
1739 * doc/extend.texi (ms_struct): Add documentation of format.
1741 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1743 * tree.h: Declare folding_initializer.
1744 * builtins.c (fold_builtin_constant_p): Give definite answer
1745 if folding inside an initializer.
1746 * fold-const.c: Define folding_initializer.
1747 (START_FOLD_INIT): Save and then set folding_initializer.
1748 (END_FOLD_INIT): Restore folding_initializer.
1750 2006-06-04 Richard Guenther <rguenther@suse.de>
1752 PR tree-optimization/27039
1753 * fold-const.c (fold_comparison): Handle pointer comparison
1754 again for all comparison codes. Compare offsets in signed
1756 (fold_binary): Move code from here.
1758 2006-06-03 Roger Sayle <roger@eyesopen.com>
1761 * config/i386/i386.c (construct_container): Split static issued_error
1762 flag into issued_sse_arg_error, issued_sse_ret_error and
1763 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1764 requires the use of x87 registers and the user explicitly
1765 specified the -mno-80387 command line option.
1767 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1769 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1770 HAVE_DECL_SIGALTSTACK.
1772 (segv_handler): Use MC_FLD.
1773 * configure.ac: Check for a sigaltstack declaration.
1774 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1775 * configure: Regenerate.
1776 * config.in: Regenerate.
1778 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1781 * Makefile.in (stmp-fixinc): Fix typo.
1783 2006-06-02 Roger Sayle <roger@eyesopen.com>
1785 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1786 are type correct. Clean-up.
1787 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1788 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1790 2006-06-01 DJ Delorie <dj@redhat.com>
1792 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1793 shift, as we've disabled the "switch" insn that needs it.
1795 2006-06-01 Per Bothner <bothner@bothner.com>
1797 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1798 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1799 * c-ppoutput.c (cb_define): Don't increment line 0.
1801 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1803 * doc/invoke.texi: Add cpu_type power6.
1804 * config.gcc: Add cpu_type power6.
1805 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1806 to power5+ with Altivec.
1807 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1808 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1810 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1812 * config/avr/avr.h (SET_ASM_OP): Define.
1814 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1816 * config/bfin/bfin.c: Fix comment typos.
1818 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1821 * doc/install.texi: Document --enable-bootstrap and
1822 --disable-bootstrap.
1824 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1826 * doc/install.texi: Document that InfoZIP can replace jar.
1828 2006-05-31 Roger Sayle <roger@eyesopen.com>
1830 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1831 isn't available, directly generate the simpler x87 patterns without
1832 the (use (const_int 0)).
1833 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1834 implementation isn't available.
1835 (*negdf2_1): Likewise.
1836 (*negxf2_1): XF mode negation is always done using the x87.
1837 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1839 2006-05-31 Roger Sayle <roger@eyesopen.com>
1841 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1842 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1844 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1846 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1848 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1849 * config/bfin/bfin.c (basic-block.h): Include.
1850 (struct machine_function): New.
1851 (bfin_init_machine_status): New.
1852 (override_options): Initialize init_machine_status.
1853 (bfin_hardware_loop): New.
1854 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1855 (DEF_VEC_P (loop_info)): New.
1856 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1857 (struct loop_info): New.
1858 (loop_info): New typedef.
1859 (struct loop_work): New.
1860 (loop_work): New typedef.
1861 (DEF_VEC_O (loop_work)): New.
1862 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1863 (bfin_dump_loops): New.
1864 (bfin_bb_in_loop): New.
1865 (bfin_scan_loop): New.
1866 (bfin_optimize_loop): New.
1867 (bfin_reorg_loops): New.
1868 (bfin_reorg): Use bfin_reorg_loops.
1869 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1871 (I_REGNO_P): Simplify.
1872 (DP_REGNO_P, DPREG_P): New macros.
1873 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1874 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1875 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1876 Add LT_REGS, LC_REGS, LB_REGS.
1877 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1879 (REGNO_REG_CLASS): Deal with loop registers.
1880 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1882 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1883 New constants for loop registers.
1884 (UNSPEC_LSETUP_END): New.
1885 (seq_insns): New define_attr. Set it for appropriate insns.
1886 (movsi_insn): Add alternatives for move from/to
1887 loop count registers.
1888 (doloop_end): New define_expand.
1889 (loop_end): New define_insn.
1890 (define_split for bad doloop_end): New.
1891 (lsetup_with_autoinit): New define_insn.
1892 (lsetup_without_autoinit): New define_insn.
1893 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1894 * config/bfin/predicates.md (lc_register_operand): New.
1895 (lt_register_operand): New.
1896 (lb_register_operand): New.
1897 (nondp_register_operand): New.
1898 (nondp_reg_or_memory_operand): New.
1899 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1901 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1903 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1904 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1906 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1908 * Makefile.in (CATALOGS): Add po/ prefix.
1909 * configure: Regenerated.
1911 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1914 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1915 a shift operand before calling shift_op. Avoid redundant call of
1918 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1919 DJ Delorie <dj@redhat.com>
1921 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1922 we're inserting is a singlt-bit constant.
1924 2006-05-30 Roger Sayle <roger@eyesopen.com>
1926 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1927 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1929 2006-05-30 Roger Sayle <roger@eyesopen.com>
1931 PR tree-optimization/23452
1932 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1933 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1934 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1935 complex values and with -ffast-math for FP complex values.
1937 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1939 * c-common.h: Remove the prototype for yyparse.
1940 * rtl.h: Remove the prototype for init_loop.
1942 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1944 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1947 2006-05-30 Roger Sayle <roger@eyesopen.com>
1949 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1951 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1952 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1954 2006-05-30 Dirk Mueller <dmueller@suse.de>
1957 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1958 for CONSTANT_CLASS_P expresisons.
1960 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1963 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1965 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1967 PR tree-optimization/27779
1968 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1969 initial_condition instead of CHREC_LEFT.
1971 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1973 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1974 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1975 Make prototypes ISO C90.
1977 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1978 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1980 * see.c (see_analyze_one_def): Correct check.
1981 (see_get_extension_data): Check if extension is parallel.
1982 (see_get_extension_reg): Likewise.
1984 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1987 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1988 into register for (code == GTU).
1990 2006-05-29 Roger Sayle <roger@eyesopen.com>
1992 PR tree-optimization/24964
1993 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1994 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1995 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1996 abs(x)*abs(x) as x*x for scalar floating point modes.
1998 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2001 * lambda-code.c (perfect_nestify): Don't copy statements
2002 in the inner loop: move them to the inner loop header.
2004 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2007 * c-tree.texi: Document OpenMP directives and clauses.
2009 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2011 * varasm.c (globalize_decl): Fix indentation.
2013 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2016 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2017 pass_fre, pass_store_ccp, pass_copy_prop,
2018 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2019 pass_return_slot, pass_object_size, pass_lim,
2020 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2021 pass_loop_prefetch and pass_stdarg.
2023 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2025 * config/bfin/bfin.opt (mfdpic): New option.
2026 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2027 (EXTRA_MULTILIB_PARTS): Likewise.
2028 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2029 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2031 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2032 (CRT_CALL_STATIC_FUNCTION): New.
2033 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2035 (CRT_CALL_STATIC_FUNCTION): New.
2036 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2038 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2039 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2040 (initialize_trampoline): Changed to handle FD-PIC code generation.
2041 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2042 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2043 (override_options): Disallow -mid-shared-library -mfdpic combination.
2044 Can't do unaligned ops if FD-PIC.
2045 Turn off flag_pic if trying to generate non-id-shared-library
2046 non-fdpic code, since it's not supported.
2047 (bfin_assemble_integer): New function.
2048 (TARGET_ASM_INTEGER): Define.
2049 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2051 * config/bfin/crtn.s: Restore them.
2052 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2054 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2055 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2056 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2057 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2058 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2060 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2061 FDPIC_REGS and FDPIC_FPTR_REGS.
2062 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2063 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2064 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2065 (load_funcdescsi): New pattern.
2066 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2067 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2068 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2070 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2072 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2075 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2077 * tree-flow.h: Remove the prototype for add_type_alias.
2078 * tree-ssa-alias.c (add_type_alias): Remove.
2080 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2082 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2083 config/fr30/fr30.md, config/i386/i386-interix.h,
2084 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2085 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2086 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2087 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2088 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2089 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2090 Follow spelling conventions.
2091 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2092 Follow spelling conventions.
2094 2006-05-27 Richard Guenther <rguenther@suse.de>
2097 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2098 to produce a constant of value 1 of generic type.
2100 2006-05-27 Dirk Mueller <dmueller@suse.de>
2102 * cgraphunit.c (decide_is_function_needed): Fix wrong
2105 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2107 PR rtl-optimization/27661
2108 * reload.c (find_reloads): When reloading a VOIDmode constant
2109 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2110 use Pmode as mode of the reload register.
2112 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2114 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2115 is enabled at -O and above.
2117 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2120 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2123 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2126 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2127 for anonymous variables explicitly declared by front ends.
2129 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2131 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2132 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2133 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2134 ref-all pointers, run a finalization pass for them.
2135 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2136 (finalize_ref_all_pointers): New function.
2137 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2138 regular pointer type to a ref-all pointer type.
2139 (get_tmt_for): Return the special memory tag for ref-all pointers.
2141 2006-05-25 Richard Guenther <rguenther@suse.de>
2144 * fold-const.c (fold_binary): Do not look at the stripped
2145 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2147 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2149 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2150 for LT and GT if the computed range is effectively empty.
2152 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2155 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2156 mips_quad_format formats instead of ieee_single_format,
2157 ieee_double_format and ieee_quad_format formats, respectively.
2159 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2161 PR tree-optimization/27639
2162 PR tree-optimization/26719
2163 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2164 call to scev_probably_wraps_p.
2165 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2166 used_in_pointer_arithmetic_p, convert_step): Removed.
2167 (nowrap_type_p): New function.
2168 (scev_probably_wraps_p): Rewritten.
2169 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2170 chrec_convert if chrec_convert_aggressive might have been used.
2171 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2172 scev_direction): New functions.
2173 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2174 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2175 instead of convert_step.
2176 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2177 (convert_step): Declaration removed.
2178 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2180 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2182 * df-core.c: Added to header comments.
2183 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2184 df_ur_bb_info, df_urec_bb_info): Added comments.
2185 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2186 urec, ri problems): Fixed header comments.
2187 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2188 code from df_rd_transfer_function.
2190 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2192 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2193 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2194 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2196 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2198 * expr.c (undefined_operand_subword_p): New.
2199 (emit_move_multi_word): Do not generate move from undefined bits
2200 of a paradoxical subreg.
2202 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2204 PR rtl-optimization/27736
2205 * combine.c (replaced_rhs_value): New variable.
2206 (combine_instructions): Set it.
2207 (distribute_notes): When distributing a note in replaced_rhs_insn,
2208 check whether the value was used in replaced_rhs_value.
2210 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2213 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2214 add_referenced_var instead of add_referenced_tmp_var.
2215 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2216 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2218 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2219 tree_optimize_tail_calls_1): Use add_referenced_var.
2220 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2221 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2222 Use add_referenced_var.
2223 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2224 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2225 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2226 Use add_referenced_var.
2227 * tree-dfa.c (struct walk_state): Remove.
2228 (find_referenced_vars): Remove walk state and vars_found hash table.
2229 (make_rename_temp): Use add_referenced_var.
2230 (find_vars_r): Pass less parameters to add_referenced_var.
2231 (referenced_var_p): New. Is var in referenced_var hash table.
2232 (referenced_var_insert): Assert var isn't already in hash table.
2233 (add_referenced_var): Don't need walk_state parameter. Add var if it
2234 isn't already in the hash table.
2235 (add_referenced_tmp_var): Remove.
2236 (find_new_referenced_vars_1): Use add_referenced_var.
2237 * tree-ssa-pre.c (create_expression_by_pieces,
2238 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2239 Use add_referenced_var.
2240 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2241 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2242 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2244 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2245 vect_create_data_ref_ptr, vect_create_destination_var,
2246 vect_init_vector, vect_build_loop_niters,
2247 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2248 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2249 Use add_referenced_var.
2250 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2251 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2252 (add_referenced_var): Add prototype.
2253 * tree-ssa-structalias.c (get_constraint_for,
2254 intra_create_variable_infos): Use add_referenced_var.
2256 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2258 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2259 big-endian paradoxical subregs.
2260 * var-tracking.c (struct micro_operation_def): Document that,
2261 for modify micro operations, insn is the subsequent instruction.
2262 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2263 (var_reg_set, var_mem_set): ... new functions.
2264 (add_stores): Record subsequent insn.
2265 (compute_bb_dataflow): Use new functions for MO_USE.
2266 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2267 notes after the insn, and modify notes before the insn known
2268 to be the subsequent one.
2269 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2271 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2274 * config/i386/i386.c (ix86_expand_builtin): Use
2275 gen_sse3_monitor64 for TARGET_64BIT.
2277 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2279 PR rtl-optimization/26375
2280 PR rtl-optimization/26855
2281 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2283 (df_ru_bb_local_compute): Reversed statements and removed bogus
2284 comment explaining why they should be in wrong order.
2285 (df_ru_dump, df_rd_dump): Enhanced debug info.
2286 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2288 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2289 reaching uses and fixed space problem.
2291 2006-05-23 Jan Hubicka <jh@suse.cz>
2293 * cgraphunit.c (decide_is_function_needed): Also nested functions
2294 and functions declared inline can be optimized out at -O0.
2296 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2298 * doc/install.texi (Configuration): Remove reference to CrossGCC
2302 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2305 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2306 ix86_compare_emitted is non-NULL.
2308 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2311 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2314 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2316 PR rtl-optimization/25514
2317 * combine.c (replaced_rhs_insn): New variable.
2318 (combine_instructions): Set replaced_rhs_insn when trying to replace
2319 a SET_SRC with a REG_EQUAL note.
2320 (distribute_notes): Use replaced_rhs_insn when determining the live
2321 range of a REG_DEAD register.
2323 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2324 Anatoly Sokolov <aesok@post.ru>
2326 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2327 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2328 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2329 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2330 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2331 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2332 at90usb647, at90usb1286 and at90usb1287 devices.
2333 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2334 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2336 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2338 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2340 2006-05-22 Richard Guenther <rguenther@suse.de>
2343 2006-01-31 Richard Guenther <rguenther@suse.de>
2344 Paolo Bonzini <bonzini@gnu.org>
2346 * doc/install.texi (--disable-libgcc-math): Document.
2348 2006-05-22 Richard Guenther <rguenther@suse.de>
2351 2006-01-31 Richard Guenther <rguenther@suse.de>
2353 * doc/invoke.texi (-msselibm): Document.
2354 * target.h (expand_library_builtin): New target hook.
2355 * builtins.c (expand_builtin): Use expand_library_builtin.
2356 (default_expand_library_builtin): New function.
2357 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2358 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2359 (link_gcc_math_spec): Declare.
2360 (static_specs): Add link_gcc_math_spec.
2361 * expr.h (default_expand_library_builtin): Declare.
2362 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2363 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2364 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2365 * config/i386/i386.opt (msselibm): New target option.
2366 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2367 (ix86_init_sse_abi_builtins): New function.
2368 (ix86_expand_library_builtin): Likewise.
2369 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2370 (override_options): Handle error conditions wrt -msselibm.
2371 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2372 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2373 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2376 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2379 * c-common.c (self_promoting_args_p): Skip erroneous args.
2382 * c-decl.c (finish_struct): Skip erroneous fields.
2384 2006-05-22 Nick Clifton <nickc@redhat.com>
2386 * config/cris/cris.opt (march): Remove VarExists attribute.
2387 (max-stackframe=): Likewise.
2389 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2391 * doc/rtl.texi: Fix a typo.
2392 * see.c: Fix comment typos.
2394 * tree-ssa-structalias.h (alias_info): Remove num_references.
2396 2006-05-21 Mike Stump <mrs@apple.com>
2398 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2400 (darwin_pragma_options): Use BAD instead.
2401 (darwin_pragma_unused): Likewise.
2402 (darwin_pragma_ms_struct): Likewise.
2404 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2406 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2408 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2410 PR rtl-optimization/27671
2411 * simplify-rtx.c (simplify_relational_operation_1): Fix
2412 simplifications of (eq/ne (xor x y) y) and
2413 (eq/ne (xor x y) x).
2415 PR tree-optimization/26622.
2416 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2419 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2421 * tree-cfg.c: Prune whitespace.
2422 (debug_tree_cfg): Point to correct header containing the
2425 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2428 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2430 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2433 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2434 or sorry count is non zero.
2436 2006-05-20 Andreas Schwab <schwab@suse.de>
2438 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2440 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2441 Kenneth Zadeck <zadeck@naturalbridge.com>
2443 PR rtl-optimization/26855
2445 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2447 (df_scan_alloc): Added code to properly handle multiword hard
2448 registers and add all_blocks parameter.
2449 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2450 code to properly handle multiword hard registers.
2451 (df_rescan_blocks): Added code to remove deleted blocks from
2453 (df_ref_create_structure, df_ref_record): Added code to properly
2455 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2456 and set DF_REF_PARTIAL.
2457 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2458 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2459 (df_scan_add_problem): Added flags parameter.
2460 (df_ref_create_structure): Changed switching structure.
2461 (df_bb_refs_record): Fixed case where duplicate artificial refs
2462 were created. Changed location of flags.
2463 (df_record_entry_block_defs): Added code to make stack pointer
2464 live in entry block. Refined cases where frame pointer is needed.
2465 Changed location of flags.
2466 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2467 (df_set_state): Removed function.
2468 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2469 df_insn_create_insn_record, df_insn_refs_delete,
2470 df_ref_create_structure): Formatting changes.
2471 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2472 df_delete_basic_block): New function.
2473 (df_init): Changed location of flags.
2474 (df_add_problem): Added flags parameter and the way flags are
2476 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2477 debug_df_chain): Improved debugging output.
2478 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2479 (df_refs_chain_dump): Removed df parameter.
2480 (df_iterative_dataflow): Added consistency check.
2481 (df_prune_to_subcfg): Made public.
2482 (df_analyze_problem): Added blocks_to_init parameter and made
2484 (df_ref_record, df_bb_refs_record, df_mark_reg,
2485 df_record_exit_block_uses): Whitespace changes.
2486 (df_dump): Whitespace changes.
2487 * df.h: Some reordering to remove forward references.
2488 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2489 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2490 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2491 (dataflow.flags): New field.
2492 (df.flag): Deleted field.
2493 (df_alloc_function): Added additional bitmap parameter.
2494 (df_dependent_problem_function): New type.
2495 (df_problem.changeable_flags): New field.
2496 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2497 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2498 (df_mw_hardreg): New struct.
2499 (DF_INSN_UID_MWS): New macro.
2500 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2502 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2503 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2504 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2505 (df_set_state): Removed function.
2506 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2507 * df-problems.c (df_chain_dump): Removed df parameter.
2508 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2509 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2511 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2512 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2513 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2514 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2515 DF_REF_MUST_CLOBBER cases.
2516 (df_ru_bb_local_compute_process_def,
2517 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2518 df_lr_bb_local_compute, df_ur_bb_local_compute,
2519 df_chain_create_bb): Made subreg aware.
2520 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2521 df_lr_bb_local_compute, df_lr_bb_local_compute,
2522 df_chain_create_bb): Cleanup to use proper macros.
2523 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2524 code to fixup bitvectors.
2525 (df_ri_alloc): Cleared lifetime.
2526 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2527 df_create_unused_note): New function.
2528 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2529 REG_DEAD and REG_UNUSED notes as well as register information.
2530 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2531 df_chains_dump): Fixed crash if problem was never run.
2532 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2533 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2534 df_ri_add_problem): Processes flags in uniform manner.
2535 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2536 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2537 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2538 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2539 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2540 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2541 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2542 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2543 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2544 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2545 * see.c (see_initialize_data): Ditto.
2546 * final.c (rest_of_clean_state) Added regstack_completed.
2547 * rtl.h (regstack_completed): Ditto.
2548 * reg-stack.c (regstack_completed): Ditto.
2550 2006-05-19 Mike Stump <mrs@apple.com>
2552 * c-tree.h (default_conversion): Remove.
2553 * c-common.h (default_conversion): Add.
2555 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2557 * tree-vrp.c (valid_value_p): New function.
2558 (adjust_range_with_scev): Fail if the value of bound is not
2561 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2563 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2564 (mips_fallback_frame_state): Use syscall numbers to determine
2565 the appropriate li instruction for the current ABI. Only use
2566 __NR_sigreturn for o32.
2568 2006-05-19 Nicolas Setton <setton@adacore.com>
2570 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2571 * langhooks.c (lhd_dwarf_name): New function.
2572 * langhooks-def.h (lhd_dwarf_name): Declare.
2573 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2574 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2575 * ada/misc.c (gnat_dwarf_name): New function.
2576 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2578 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2580 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2582 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2583 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2584 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2585 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2586 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2587 determine the size of Wtype, etc.
2588 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2589 (swfloatfuncs): New variable.
2590 (dwfloatfuncs): Likewise.
2591 (lib2funcs): Remove floating-point conversion functions from
2592 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2593 the set of conversion routines needed. Allow entries to specify
2594 an object name, filename and word size. Update users accordingly.
2595 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2596 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2600 2006-02-08 Roger Sayle <roger@eyesopen.com>
2603 * config/fixtfdi.c: New libgcc source file.
2604 * config/fixunstfdi.c: New source file.
2605 * config/floatditf.c: New source file.
2606 * config/floatunditf.c: New souce file.
2607 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2608 files above instead of config/mips/_tilib.c.
2609 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2611 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2613 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2614 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2616 2006-05-18 Mike Stump <mrs@apple.com>
2618 Fix up vla, vm and [*] sematics.
2624 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2625 (c_vla_unspec_p): Add.
2626 (c_vla_type_p): Add.
2627 * c-decl.c (struct c_scope): Add had_vla_unspec.
2628 (build_array_declarator): Add support for [*].
2629 (grokdeclarator): Likewise.
2630 (grokparms): Likewise.
2631 (get_parm_info): Likewise.
2632 * c-objc-common.c (c_vla_unspec_p): Likewise.
2633 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2634 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2635 typeof when argument is a variably modified type not inside sizeof or alignof.
2636 (c_parser_direct_declarator_inner): Propagate errors.
2637 (c_parser_sizeof_expression): Add support for [*].
2638 (c_parser_parms_declarator): Initialize had_vla_unspec.
2639 (c_parser_parms_list_declarator): Likewise.
2640 * c-typeck.c (c_vla_type_p): Add.
2641 (composite_type): Add support for vla compositing.
2642 (comptypes_internal): Add support for vla compatibility.
2643 (c_expr_sizeof_expr): Evaluate vla arguments.
2644 * tree.c (variably_modified_type_p): Update comment for [*].
2646 2006-05-18 Michael Matz <matz@suse.de>
2649 * config.host: Make assignments to host_xmake_file cumulative.
2650 * config.host (*-darwin*): Test $host, not $target.
2652 2006-05-12 Stuart Hastings <stuart@apple.com>
2654 * config/i386/i386.opt (-mstackrealign): New flag.
2655 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2656 (ix86_handle_cconv_attribute): Emit error when
2657 force_align_arg_pointer attribute collides with too many regparms.
2658 (ix86_function_regparm): Limit regparms when used with
2659 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2660 Support stack-realigning prologue in non-main functions. Emit
2661 warning for nested functions under -mstackrealign, emit error for
2662 nested functions with force_align_arg_pointer attribute.
2663 * doc/extend.texi (force_align_arg_pointer): Document it.
2664 * doc/invoke.texi (-mstackrealign): Document it.
2666 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2668 PR rtl-optimization/27477
2669 * combine.c (try_combine): Don't split a parallel consisting
2670 of two sets into two individual sets if both sets reference
2673 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2675 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2676 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2678 * doc/options.texi (VarExists): Updated.
2680 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2682 * unwind-dw2.c: Add declarations for uw_update_context and
2684 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2685 detected, advance frame state and context once to skip over stub.
2687 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2691 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2692 Call rewrite_into_loop_closed_ssa only when something changed.
2693 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2694 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2695 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2696 Test for perfect_nest_p here. Fix formating.
2697 (replace_uses_equiv_to_x_with_y): Fix formating.
2698 (stmt_uses_op): Removed.
2699 (can_convert_to_perfect_nest): Removed loopivs parameter.
2700 Complete the test by checking the scalar dependences.
2701 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2704 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2707 From Dan Kegel <dank@kegel.com>:
2708 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2710 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2712 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2713 if the element type is variably modified without recursing.
2715 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2718 * tree-loop-linear.c (try_interchange_loops): Test for
2719 no data dependences.
2721 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2723 PR tree-optimization/27548
2724 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2725 range of ssa names that appear on abnormal edges.
2726 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2727 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2729 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2732 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2734 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2737 * tree.h (OMP_PARALLEL_COMBINED): Define.
2738 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2739 (new_omp_context): Add is_combined_parallel argument.
2740 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2741 new_omp_context caller.
2742 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2743 Adjust gimplify_scan_omp_clauses callers.
2744 (omp_is_private): Issue errors if iteration variable is firstprivate
2745 or reduction in the current context.
2746 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2747 on combined parallel workshare constructs.
2749 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2751 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2752 (gcc-options.o): New rule.
2754 * optc-gen.awk: Protect variables for gcc-options.o with
2755 #ifdef GCC_DRIVER/#endif.
2757 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2759 Fix PR tree-optimization/27373
2760 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2761 (forward_propagate_addr_expr): Update call.
2763 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2765 * doc/options.texi: Move the Negative option.
2767 2006-05-16 Richard Guenther <rguenther@suse.de>
2769 PR tree-optimization/22303
2770 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2772 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2773 ccp_fold did not simplify the statement.
2775 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2778 * Makefile.in (GCC_OBJS): New.
2779 (OBJS-common): Add opts-common.o.
2780 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2781 (cpp$(exeext)): Likewise.
2782 (gcc.o): Also depend on opts.h.
2783 (opts-common.o): New.
2785 * common.opt (gcoff): Add Negative(gdwarf-2).
2786 (gdwarf-2): Add Negative(gstabs).
2787 (gstabs): Add Negative(gstabs+).
2788 (gstabs+): Add Negative(gvms).
2789 (gvms): Add Negative(gxcoff).
2790 (gxcoff): Add Negative(gxcoff+).
2791 (gxcoff+): Add Negative(gcoff).
2792 * config/i386/i386.opt (m32): Add Negative(m64).
2793 (m64): Add Negative(m32).
2795 * doc/options.texi: Document the Negative option.
2797 * gcc.c: Include "opts.h".
2798 (main): Call prune_options after expandargv.
2800 * optc-gen.awk: Generate common declarations for all flag
2801 variables in options.c. Output the neg_index field.
2803 * opts.c (find_opt): Moved to ...
2804 * opts-common.c: Here. New file.
2806 * opts.h (cl_option): Add a neg_index field.
2808 (prune_options): Likewise.
2810 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2813 * omp-low.c (expand_omp_parallel): Don't assert
2814 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2815 instead search for it.
2818 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2821 2006-05-16 Andreas Schwab <schwab@suse.de>
2823 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2826 2006-05-15 Roger Sayle <roger@eyesopen.com>
2829 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2830 integer constants other than zero are only legitimate on TARGET_64BIT.
2831 <CONST_VECTOR> Only zero vectors are legitimate.
2832 (ix86_cannot_force_const_mem): Integral and vector constants can
2833 always be put in the constant pool.
2835 2006-05-16 DJ Delorie <dj@redhat.com>
2837 * crtstuff.c (__dso_handle): Set section from
2838 TARGET_LBIGCC_SDATA_SECTION if defined.
2839 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2840 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2842 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2845 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2848 2006-05-16 Ben Elliston <bje@au.ibm.com>
2850 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2852 2006-05-15 Per Bothner <per@bothner.com>
2854 * tree.c: (last_annotated_node): Use source_locus typedef.
2855 This permits bootstrapping with --enable-mapped-location.
2857 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2859 PR tree-optimization/26830
2860 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2861 (info_for_ssa_name, current_info_for_ssa_name_age,
2862 blocks_to_update): New variables.
2863 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2864 (clear_ssa_name_info, initialize_flags_in_bb,
2865 mark_block_for_update): New functions.
2866 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2867 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2868 prepare_def_site_for): Use mark_block_for_update.
2869 (mark_def_interesting): Assert that the processed block is marked in
2870 blocks_to_update. Do not take blocks argument.
2871 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2873 (rewrite_update_init_block, rewrite_update_stmt): Only process
2874 blocks with statements to rewrite.
2875 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2876 (update_ssa): Initialize and free blocks_to_update. Do not
2877 clear flags on statements. Do not use blocks bitmap.
2878 * tree.h (SSA_NAME_AUX): Removed.
2879 (struct tree_ssa_name): Removed aux field.
2880 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2882 2006-05-15 Richard Guenther <rguenther@suse.de>
2884 PR tree-optimization/27603
2885 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2886 Do computations in original type.
2888 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2890 * see.c: Code style changes such as redundant paranthesis,
2891 redundant intialization of local variables etc.
2892 (see_main): Declared now as static.
2893 * doc/invoke.texi: Update that -fsee is not enabled by
2896 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2898 * omp-low.c (check_omp_nesting_restrictions): New function.
2899 (scan_omp_1): Call it.
2902 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2903 construct, return *VAR.
2905 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2907 PR rtl-optimization/27406
2908 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2911 2006-05-14 Roger Sayle <roger@eyesopen.com>
2913 PR rtl-optimization/27538
2914 * combine.c (expand_compound_operation): Call gen_lowpart
2915 before calling simplify_shift_const.
2917 2006-05-14 Roger Sayle <roger@eyesopen.com>
2919 PR rtl-optimization/22563
2920 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2921 a fixed width bitfield, always force the intermediates into psuedos.
2923 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2926 * mkconfig.sh: Use operator = instead of == for test.
2928 2006-05-13 Nick Clifton <nickc@redhat.com>
2930 * dwarf2out.c (dbx_reg_number): Check return value from
2931 LEAF_REG_REMAP and only use it if it is valid.
2932 (multiple_reg_loc_descriptor): Likewise.
2934 2006-05-13 Richard Guenther <rguenther@suse.de>
2936 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2939 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2941 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2942 information attached to non-INSNs such as NOTEs.
2943 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2945 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2947 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2949 * config/s390/s390.md: Adjust comment describing On constraint.
2951 2006-05-11 Jan Hubicka <jh@suse.cz>
2953 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2954 to be output at -O0.
2956 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2959 * fold-const.c (size_binop): Move sanity check for arguments to
2960 the beginning of the function.
2963 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2966 2006-05-11 Richard Guenther <rguenther@suse.de>
2969 * fold-const.c (fold_unary): Handle intermediate conversion
2970 to a pointer type like intermediate conversion to an integer
2971 type in folding of (T1)(T2)var to var.
2972 Match the code to the comment in the final conversion for
2973 (T1)(T2)var to (T1)var regarding to type precision. Rather
2974 than disallow T1 being of pointer type, assert that both T1
2975 and var are of pointer type or not. Make sure not to fall
2976 over the frontends lazyness wrt array to pointer decay though.
2978 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2980 * arm.c (arm_struct_value_rtx): Delete.
2981 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2982 (arm_init_cumulative_args): Always initialize nregs to zero.
2984 2006-05-10 Richard Guenther <rguenther@suse.de>
2986 PR tree-optimization/27532
2987 * tree-object-size.c (plus_expr_object_size): Fix typo.
2989 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2992 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2993 ashrdi_const, ashrdi3): Use a scratch register.
2995 2006-05-10 Richard Guenther <rguenther@suse.de>
2997 PR tree-optimization/27302
2998 * fold-const.c (operand_equal_p): For two comparisons,
2999 try comparison of one comparison code swapped if that yields
3002 2006-05-10 Ben Elliston <bje@au.ibm.com>
3004 * tree-pretty-print.c (pretty_print_string): No need to handle
3005 '\0' as a special character.
3007 * tree.h: Include "hashtab.h".
3008 (iterative_hash_expr): Use hashval_t in its prototype.
3009 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3011 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3014 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3015 (hppa*64*-*-hpux11*): Ditto.
3016 (hppa[12]*-*-hpux11*): Ditto.
3018 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3021 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3023 2006-05-09 Michael Matz <matz@suse.de>
3025 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3026 host_extra_gcc_objs and host_xmake_file.
3027 (<*-*-linux*>): Don't overwrite host_xmake_file.
3028 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3029 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3030 (host_detect_local_cpu): Declare.
3031 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3032 * config/i386/i386.c (override_options): Handle -mtune=native
3034 * config/i386/x-i386: New file.
3035 * config/i386/driver-i386.c: New file.
3036 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3039 2006-05-09 Dirk Mueller <dmueller@suse.de>
3040 Richard Guenther <rguenther@suse.de>
3043 * fold-const.c (fold_read_from_constant_string): Relax check
3044 for matching types to matching modes.
3046 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3048 PR rtl-optimization/27335
3049 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3052 2006-05-08 Chao-ying Fu <fu@mips.com>
3053 Richard Sandiford <richard@codesourcery.com>
3055 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3056 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3057 * config/mips/mips.md (UNSPEC_SCC): New constant.
3058 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3059 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3060 (mips_emit_compare): Use it.
3061 (mips_expand_vcondv2sf): New function.
3063 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3065 Fix PR tree-optimization/27093
3066 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3067 renaming when they become not-used_alone.
3069 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3071 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3072 relocation and relocation stubs.
3074 2006-05-08 Eric Christopher <echristo@apple.com>
3076 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3079 2006-05-08 Jan Hubicka <jh@suse.cz>
3082 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3083 unused static functions are needed.
3085 2006-05-08 Roger Sayle <roger@eyesopen.com>
3088 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3089 of a reg_equiv_constant if the result is a legitimate constant.
3091 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3094 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3095 standard 80387 constants, raise the cost to prevent
3096 compress_float_constant() to generate load from memory.
3098 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3100 * config/arm/constraints.md (c): Fix a typo.
3102 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3105 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3108 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3110 (_mm_mwait): Likewise.
3112 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3114 (sse3_monitor): Make it 32bit only.
3115 (sse3_monitor64): New. 64bit monitor.
3117 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3120 * config/i386/i386.c (classify_argument): Skip fields with invalid
3123 2006-05-07 Richard Guenther <rguenther@suse.de>
3125 PR tree-optimization/27409
3126 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3127 Do not try to find zero-sized subvars.
3129 2006-05-07 Richard Guenther <rguenther@suse.de>
3131 PR tree-optimization/27136
3132 * tree-ssa-loop-niter.c (get_val_for): Correct function
3133 comment, assert requirements.
3134 (loop_niter_by_eval): Stop processing if the iterated
3135 value did not simplify.
3137 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3139 * opts.c (flag_see): remove its setting at -O3.
3141 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3143 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3144 * arm/constraints.md: New file.
3145 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3146 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3147 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3148 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3149 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3150 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3151 * arm.md: Include constraints.md.
3152 (thumb_movsi_insn): Use satisfies_constraint_J.
3153 (movhi, movqi): Use satisfies_constraint_I.
3155 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3157 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3158 for atmeg a645 device.
3160 2006-05-06 Richard Guenther <rguenther@suse.de>
3162 PR tree-optimization/27151
3163 * tree-vect-transform.c (vectorizable_condition): Punt on
3164 values that have a different type than the condition.
3166 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3169 * c-parser.c (c_parser_cast_expression): Only insert casts into
3170 hash table if pointer.
3171 * function.c (used_types_insert_helper): Rename from
3173 (used_types_insert): Call used_types_insert_helper.
3174 * function.h (used_types_insert): Accept only one argument.
3176 2006-05-05 David Edelsohn <edesohn@gnu.org>
3178 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3179 scratch with output modifier.
3181 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3184 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3185 with output modifier.
3187 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3190 * config/mips/mips.c (mips_symbolic_address_p): Return true
3191 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3192 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3194 2006-05-04 Richard Guenther <rguenther@suse.de>
3196 PR tree-optimization/14287
3197 PR tree-optimization/14844
3198 PR tree-optimization/19792
3199 PR tree-optimization/21608
3200 PR tree-optimization/27090
3201 * tree-ssa-pre.c (try_combine_conversion): New function.
3202 (compute_avail): After constructing the value-handle
3203 expression, use try_combine_conversion to combine NOP_EXPRs
3204 with previous value-handle expressions and use the result if it
3207 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3209 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3211 2006-05-04 Jan Hubicka <jh@suse.cz>
3214 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3216 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3218 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3219 that this only matches CONST_INTs. All users changed to VOIDmode
3222 * config/bfin/bfin.c: Include "optabs.h".
3223 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3225 (enum bfin_builtins): Add a number of fractional and vector builtins.
3226 (bfin_init_builtins): Likewise.
3227 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3228 (safe_vector_operand, bfin_expand_binop_builtin,
3229 bfin_expand_unop_builtin): New functions.
3230 (bfin_expand_builtin): Handle the new builtins.
3231 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3234 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3237 * Makefile.in (OBJS-common): Add see.o.
3238 (see.o): Add dependencies.
3239 * common.opt (fsee): New flag for the see optimization was added.
3240 * opts.c (flag_see): Initialized.
3241 * passes.c (init_optimization_passes, pass_see): New pass.
3242 * rtl.h (see_main): Declaration as extern.
3243 * timevar.def (TV_SEE): New.
3244 * tree-pass.h (pass_see): Declaration as extern.
3245 * invoke.texi (-fsee): Document.
3246 * recog.c (validate_simplify_insn): New function.
3247 * recog.h (validate_simplify_insn): Declaration as extern.
3248 * df-problems.c (df_chain_dump): Check for NULL.
3250 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3251 Daniel Berlin <dberlin@dberlin.org>
3253 * cfgrtl.c (insert_insn_bb_end_new): New function.
3254 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3256 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3258 * df.h (struct web_entry): Moved from web.c.
3259 (union_defs): Declaration as extern.
3260 (unionfind_root): Likewise.
3261 (unionfind_union): Likewise.
3262 * web.c (struct web_entry): Moved to df.h.
3263 (unionfind_root): Remove static declaration.
3264 (unionfind_union): Likewise.
3265 (union_defs): Likewise and generalize to use callback function.
3266 (web_main): Update arguments for union_defs function call.
3268 2006-05-04 Richard Guenther <rguenther@suse.de>
3270 PR tree-optimization/26447
3271 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3272 produce SSA_NAME copies before the store stmt to avoid
3273 breaking exception handling.
3275 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3278 * gimplify.c (omp_is_private): If var is shared in some outer context,
3279 return false instead of true. Stop searching on parallel context
3282 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3285 * coverage.c: Use get_gcov_unsigned_t() instead of
3286 unsigned_type_node all over.
3288 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3290 PR tree-optimization/27381
3291 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3292 maintain the same immediate_use links.
3293 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3294 node rather than segfaulting.
3296 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3299 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3300 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3301 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3303 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3305 Fix PR tree-optimization/26626
3306 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3308 * tree-ssa-operands.c (access_can_touch_variable): Allow
3309 typecasting through union pointers.
3311 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3314 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3315 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3316 to find if var will be a global variable even in the nested context.
3317 (omp_copy_decl): Only check for global variable at the end, it might
3318 be overridden in outer contexts.
3319 (scan_sharing_clauses): For global variables don't create a field.
3320 (lower_rec_input_clauses): Do nothing for global shared variables.
3321 Emit a barrier at the end of ILIST if there were any decls in both
3322 firstprivate and lastprivate clauses.
3323 (lower_send_clauses): Do nothing for global variables except for
3326 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3328 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3329 of the correct signedness is returned.
3331 2006-05-02 Jeff Law <law@redhat.com>
3333 PR tree-optimization/27364
3334 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3335 multiply expressions.
3337 2006-05-02 Tom Tromey <tromey@redhat.com>
3339 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3341 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3344 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3345 -mthumb -fPIC are used.
3347 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3348 Joshua Kinard <kumba@gentoo.org>
3351 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3352 with 64-bit pointers.
3354 2006-05-02 Paul Brook <paul@codesourcery.com>
3356 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3358 (create_fix_barrier): Check that a suitable barrier location is
3360 (arm_reorg): Include ftmp->address in allowable range of addresses.
3362 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3365 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3368 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3371 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3372 around RESULT_DECL for result passed by reference.
3373 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3374 * omp-low.c (use_pointer_for_field): Don't look at
3375 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3376 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3377 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3378 time or var for passing by reference for
3379 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3380 TREE_ADDRESSABLE variables when passing by reference.
3382 * omp-low.c (dump_omp_region): Fix output formatting.
3385 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3386 (expand_omp_parallel): Likewise.
3387 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3390 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3391 on statement list containing also constructors and destructors.
3392 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3395 * except.c (duplicate_eh_regions): Fix clearing of
3396 cfun->eh->region_array entries.
3398 2006-05-01 DJ Delorie <dj@redhat.com>
3400 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3402 (gcc_cv_objdump): Likewise.
3403 * configure: Regenerated.
3405 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3408 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3409 templates for case 3 and 4.
3411 2006-05-01 DJ Delorie <dj@redhat.com>
3413 * vec.c: Include bconfig.h when appropriate.
3414 * Makefile.in (build/vec.o): Adjust dependencies.
3415 * mkconfig.sh: Make sure config.h isn't used for build machine
3418 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3420 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3422 (mark_phi_for_rewrite): New function.
3423 (insert_phi_nodes_for, mark_use_interesting): Call
3424 mark_phi_for_rewrite.
3425 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3426 (update_ssa): Initialize and free phis_to_rewrite.
3428 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3430 PR rtl-optimization/27291
3431 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3432 folded to a constant.
3434 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3436 PR tree-optimization/27283
3437 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3438 not whole # of iteration descriptions.
3439 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3440 uses abnormal ssa name.
3441 (niter_for_single_dom_exit): Ditto.
3442 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3443 return just the number of iterations.
3445 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3447 PR tree-optimization/27144
3448 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3449 (record_estimate): Only record constant upper bound.
3450 (infer_loop_bounds_from_undefined): Call
3451 compute_estimated_nb_iterations just once.
3452 (proved_non_wrapping_p): Renamed to ...
3453 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3454 (convert_step_widening, scev_probably_wraps_p): Call
3455 n_of_executions_at_most instead of proved_non_wrapping_p.
3456 (substitute_in_loop_info): Do not replace values in bounds.
3457 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3460 2006-05-01 Richard Henderson <rth@redhat.com>
3463 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3464 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3467 2006-05-01 Roger Sayle <roger@eyesopen.com>
3469 * c-typeck.c (parser_build_binary_op): Don't call the function
3470 unsigned_conversion_warning to spot operand/result type overflow.
3471 (build_binary_op): Instead, call convert_and_check instead of
3472 convert to report the problem when the operands are promoted.
3473 * c-common.c (unsigned_conversion_warning): Make static.
3474 * c-common.h (unsigned_conversion_warning): Delete prototype.
3476 2006-05-01 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/26726
3479 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3481 (find_interesting_uses_address): ... we work around here
3482 by folding INDIRECT_REFs in the substituted base.
3484 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3486 * omp-low.c (dump_omp_region): Add newlines.
3488 2006-04-30 Roger Sayle <roger@eyesopen.com>
3490 * common.opt (Woverflow): New command line option.
3491 * c-common.c (constant_expression_warning): Check warn_overflow.
3492 (overflow_waring): Pass OPT_Woverflow to warning.
3493 (unsigned_conversion_warning): Likewise.
3494 (convert_and_check): Likewise.
3495 * doc/invoke.texi: Document new command line option.
3497 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3499 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3500 TARGET_NO_FP_IN_TOC for section anchors.
3501 (optimization_options): Enable section anchors for all
3502 non-"Objective" languages.
3504 2006-04-28 Eric Christopher <echristo@apple.com>
3506 * config/darwin-c.c (darwin_ms_struct): Move this
3507 (darwin_set_default_type_attributes): and this...
3508 * config/darwin.c: ... here.
3509 * config/darwin.h (darwin_ms_struct): Declare.
3511 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3513 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3515 2006-04-28 Roger Sayle <roger@eyesopen.com>
3518 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3519 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3520 an unsigned HOST_WIDE_INT.
3521 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3523 (really_start_incremental_init): No need to call convert because
3524 bitsize_zero_node is already of type bitsizetype.
3525 (push_init_level): Extract the value of constructor_index as an
3526 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3527 (process_init_element): Likewise.
3529 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3531 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3532 value before passing to make_relative_prefix.
3534 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3537 * builtins.c (expand_builtin_memset): Expand val in original mode.
3539 2006-04-27 Eric Christopher <echristo@apple.com>
3541 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3542 with #ifndef/#endif.
3543 * config/darwin-c.c (darwin_ms_struct): New.
3544 (darwin_pragma_ms_struct): Ditto.
3545 (darwin_set_default_type_attributes): Ditto.
3546 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3547 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3548 Register ms_struct pragma.
3549 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3550 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3551 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3552 darwin_set_default_type_attributes if TARGET_MACHO.
3554 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3556 PR tree-optimization/26854
3557 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3558 * doc/tree-ssa.texi: Update immuse iterator documentation.
3559 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3560 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3561 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3562 first_safe_imm_use, next_safe_imm_use): Remove.
3563 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3564 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3565 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3566 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3567 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3568 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3569 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3570 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3571 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3572 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3573 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3574 (perfect_nestify): Use new iterator.
3575 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3577 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3578 (next_imm_name): New field in struct immediate_use_iterator_d.
3579 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3580 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3581 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3582 * tree-cfg.c (replace_uses_by): Use new iterator.
3583 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3584 * tree-ssa-operands.c (correct_use_link): Remove.
3585 (finalize_ssa_use_ops): No longer call correct_use_link.
3587 2006-04-27 Stuart Hastings <stuart@apple.com>
3589 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3590 * config/t-darwin (crt3.o): Use it.
3591 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3592 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3593 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3594 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3595 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3598 2006-04-27 Roger Sayle <roger@eyesopen.com>
3600 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3601 size, force the intermediate into a new pseudo rather instead of
3602 performing both a bitwise AND and a bitwise IOR in memory.
3604 2006-04-27 Richard Guenther <rguenther@suse.de>
3606 PR rtl-optimization/26685
3607 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3608 this one "max-flow-memory-locations".
3610 2006-04-27 Richard Guenther <rguenther@suse.de>
3612 PR tree-optimization/25148
3613 * tree-vrp.c (compare_values): Remove code dealing with
3614 comparisons against type min/max value. Honour overflow
3615 and negative constants in code dealing with comparisons
3616 of plus and minus expressions.
3617 (value_inside_range): Use fold_binary with LE_EXPR and
3618 GE_EXPR rather than compare_values.
3620 2006-04-27 Dirk Mueller <dmueller@suse.de>
3622 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3625 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3627 * basic-block.h (safe_insert_insn_on_edge): Removed.
3628 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3630 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3631 Paolo Bonzini <bonzini@gnu.org>
3634 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3635 (simplify_and_const_int): Same.
3637 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3639 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3641 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3644 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3645 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3646 cgraph_global_info_ready.
3649 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3652 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3653 either decl or init is error_mark_node.
3656 * tree-flow.h (struct omp_region): Add sched_kind.
3657 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3658 instead of extracting omp for data.
3659 (expand_omp_for): Save extracted sched_kind.
3661 2006-04-25 Roger Sayle <roger@eyesopen.com>
3663 * expmed.c (store_bit_field): Also check whether the bitsize is
3664 valid for the machine's "insv" instruction before moving the
3665 target into a pseudo for use with the insv.
3666 * config/i386/predicates.md (const8_operand): New predicate.
3667 * config/i386/i386.md (extv, extzv, insv): Use the new
3668 const8_operand predicate where appropriate.
3670 2006-04-25 DJ Delorie <dj@redhat.com>
3672 * doc/install.texi (Specific): Clarify that this is not a list of
3673 supported hosts or targets.
3675 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3677 PR rtl-optimization/26725
3678 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3679 block's BB_DIRTY flag.
3681 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3683 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3686 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3687 to print an integer.
3689 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3691 * varasm.c (align_variable): New function.
3692 (get_block_for_decl): Apply align_variable to DECL before
3693 calculating section information.
3694 (assemble_variable): Split out alignment computation.
3696 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3698 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3701 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3703 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3704 MODE_PARTIAL_INT mode.
3705 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3706 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3708 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3709 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3711 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3713 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3715 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3716 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3717 MACFLAG_IH): Likewise.
3718 (movstricthi_1): Renamed from "*movstricthi".
3719 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3720 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3721 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3722 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3723 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3724 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3725 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3726 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3727 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3728 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3729 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3730 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3731 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3732 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3733 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3735 * doc/rtl.texi (ss_ashift): Improve wording.
3737 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3739 * dwarf2out.c (verify_marks_clear): New.
3740 (prune_unused_types): Call verify_marks_clear initially, not
3743 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3745 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3746 * doc/rtl.texi: Document them.
3747 * simplify-rtx.c (simplify_unary_operation,
3748 simplify_binary_operation_1): Don't abort when we see them.
3750 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3753 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3754 * configure.ac: Completely disregard languages that are not
3756 * configure: Regenerated.
3758 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3759 Richard Guenther <rguenther@suse.de>
3761 PR tree-optimization/27236
3762 * tree-inline.c (copy_body_r): Make sure to copy
3763 TREE_THIS_VOLATILE flag.
3765 2006-04-24 Richard Guenther <rguenther@suse.de>
3768 * tree-complex.c (update_parameter_components): Don't handle
3769 unused parameters which have no default def.
3771 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3772 Richard Guenther <rguenther@suse.de>
3774 PR tree-optimization/27218
3775 * tree-inline.c (expand_call_inline): Strip useless type
3776 conversions for the return slot address.
3778 2006-04-24 Richard Guenther <rguenther@suse.de>
3780 * cfgloop.h (struct loops): Remove unused field array. Reorder
3782 (LOOP_PREFETCH): Remove.
3784 2006-04-24 Richard Guenther <rguenther@suse.de>
3786 PR tree-optimization/22525
3787 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3788 variable, adjust types of generated expressions.
3790 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3792 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3793 (tree-vect-patterns.o): Likewise.
3795 (cselib.o): Likewise.
3796 (loop-doloop.o): Likewise.
3797 (regclass.o): Likewise.
3798 (reload1.o): Likewise.
3799 (explow.o): Replace target.h with $(TARGET_H).
3800 (ipa-prop.o): Likewise.
3801 (ipa-cp.o): Likewise.
3802 (ipa-inline.o): Likewise.
3803 (reorg.o): Likewise.
3804 (reg-stack.o): Likewise.
3806 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3808 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3810 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3812 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3814 * configure.ac: Completely disregard languages that are not
3816 * configure: Regenerated.
3819 * c-common.h (c_build_bitfield_integer_type): Declare.
3820 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3821 * c-common.c (c_build_bitfield_integer_type): ... here.
3823 2006-04-23 Roger Sayle <roger@eyesopen.com>
3826 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3827 a SImode SUBREG of a floating point register after no_new_pseudos.
3829 2006-04-23 Roger Sayle <roger@eyesopen.com>
3831 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3832 identify potentially eliminable registers to additionally catch
3833 VIRTUAL_INCOMING_ARGS_REGNUM.
3834 (addsi3): Update the conditions on when to use addsi_small_int.
3836 2006-04-23 Roger Sayle <roger@eyesopen.com>
3839 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3840 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3841 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3843 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3845 * fold-const.c (range_predecessor): Use operand_equal_p
3846 as the predicate for equality.
3847 (range_successor): Likewise.
3849 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3852 * config/soft-fp/op-common.h: Fix a typo.
3854 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3857 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3858 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3860 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3862 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3864 * doc/tm.texi: Fix a typo.
3866 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3868 * dwarf2out.c (struct die_struct): Document that die_sib makes
3869 a circular linked list.
3870 (FOR_EACH_CHILD): New.
3871 (reverse_die_lists): Delete.
3872 (reverse_all_dies): Delete.
3873 (add_dwarf_attr): Correct documentation.
3874 (remove_child_with_prev): New.
3875 (remove_child_TAG): Update for change to die_struct, use
3876 remove_child_with_prev.
3877 (add_child_die): Update for change to die_struct.
3878 (splice_child_die): Use remove_child_with_prev and add_child_die.
3879 (print_die): Use FOR_EACH_CHILD.
3880 (die_checksum): Likewise.
3881 (assign_symbol_names): Likewise.
3882 (output_location_lists): Likewise.
3883 (build_abbrev_table): Likewise.
3884 (calc_die_sizes): Likewise.
3885 (mark_dies): Likewise.
3886 (unmark_dies): Likewise.
3887 (unmark_all_dies): Likewise.
3888 (output_die): Likewise.
3889 (prune_unused_types_mark): Likewise.
3890 (prune_unused_types_walk): Likewise.
3891 (same_die_p): Update for change to die_struct.
3892 (break_out_includes): Likewise.
3893 (prune_unused_types_prune): Likewise.
3894 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3895 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3897 (dwarf2out_finish): Don't call reverse_all_dies.
3899 2006-04-21 Eric Christopher <echristo@apple.com>
3901 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3902 in comments and function names.
3904 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3907 * c-typeck.c (digest_init): Robustify.
3909 * c-typeck.c (pop_init_level): Simplify.
3911 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3913 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3915 2006-04-21 Paul Brook <paul@codesourcery.com>
3917 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3918 hardware floating point.
3920 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3922 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3925 2006-04-21 Nick Clifton <nickc@redhat.com>
3927 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3930 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3933 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3934 C++ lang type in traceback table for Objective-C++.
3936 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3938 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3940 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3942 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3945 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3946 were errors. Remove check for erroneous objects.
3948 2006-04-20 Jeff Law <law@redhat.com>
3950 PR tree-optimization/26854
3951 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3952 checking for zero or one use.
3953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3954 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3955 * tree-ssa-reassoc.c (negate_value): Similarly.
3956 (reassociate_bb): Similarly.
3958 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3960 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3961 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3962 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3964 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3966 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3967 fp regs if the last fp arg doesn't fit in regs.
3969 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3972 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3973 that the last insn has the REG_INC note.
3975 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3976 Nathan Sidwell <nathan@codesourcery.com>
3979 * stor-layout.c (update_alignment_for_field): Do not align
3981 (place_union_field): Place union field at the start of the union.
3982 (place_field): Move ERROR_MARK check later, and use the current
3983 allocation position to maintain monotonicity.
3985 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3987 * dominance.c: Include timevar.h.
3988 (calculate_dominance_info): Use TV_DOMINANCE.
3989 * timevar.def (TV_DOMINANCE): New timevar.
3990 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3992 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3994 PR rtl-optimization/14261
3995 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3996 move would be an INSV insn.
3997 (noce_process_if_block): Don't optimize if the destination is a
3998 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4000 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4002 * config/s390/s390.md: Add comments with the instructions emitted
4003 by an insn pattern if macros are used.
4005 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4007 PR rtl-optimization/26026
4008 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4009 is a known power of two shifted left a variable amount.
4011 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4013 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4014 to hash table twice when the debug_str section has SECTION_MERGE.
4016 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4018 * config/soft-fp: New directory. From glibc.
4019 * config/soft-fp/t-softfp: New.
4020 * config/soft-fp/README: New.
4021 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4022 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4023 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4024 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4025 * config.gcc: Use rs6000/t-fprules-fpbit or
4026 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4028 * config/rs6000/sfp-machine.h: New. Based on glibc.
4029 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4031 * config/rs6000/t-fprules: Remove fp-bit rules.
4032 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4033 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4034 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4035 (softfp_wrap_start, softfp_wrap_end): New.
4037 2006-04-18 DJ Delorie <dj@redhat.com>
4039 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4041 2006-04-18 Devang Patel <dpatel@apple.com>
4043 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4045 2006-04-18 Nick Clifton <nickc@redhat.com>
4047 * config/sh/t-symbian: Add rule to build sh-c.o
4048 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4049 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4050 (sh_symbian_encode_section_info): Likewise.
4052 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4054 * builtins.c (expand_builtin_strcmp): Cover label definition of
4055 do_libcall with HAVE_cmpstrnsi.
4057 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4059 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4061 * function.h (temp_slot_p): New.
4062 (function): Change the type of x_used_temp_slots to
4063 VEC(temp_slot_p,gc) *.
4065 2006-04-18 Nick Clifton <nickc@redhat.com>
4067 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4068 flag_strength_reduce.
4070 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4072 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4076 Partial revert of revision 112637
4077 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4078 Dale Johannesen <dalej@apple.com>
4081 * regclass.c (struct reg_pref): Update documentation.
4082 (regclass): Set prefclass to NO_REGS if memory is the best option.
4083 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4085 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4087 PR tree-optimization/26821
4088 * tree-ssa-math-opts.c (get_constant_one): New.
4089 (insert_reciprocals): Use it.
4091 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4093 * dwarf2out.c (free_AT): Delete.
4094 (remove_AT): Update string ref counts.
4095 (remove_child_TAG): Don't call free_die.
4097 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4098 or DW_TAG_GNU_EINCL.
4099 (prune_unused_types_walk_attribs): Reset string refcounts.
4100 (prune_unused_types_update_strings): New.
4101 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4102 call free_die. Do call prune_unused_types_update_strings.
4103 (prune_unused_types): Empty debug_str_hash.
4105 2006-04-17 Roger Sayle <roger@eyesopen.com>
4107 * expr.c (expand_assignment): Optimize away no-op moves where the
4108 source and destination are equal and have no side-effects.
4110 2006-04-17 Richard Guenther <rguenther@suse.de>
4113 * reload.c (push_reload): Guard calls to get_secondary_mem
4116 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4118 * alias.c (reg_base_value, old_reg_base_value): Change the
4119 type to VEC(rtx,gc) *.
4120 (REG_BASE_VALUE, find_base_value, record_set,
4121 init_alias_analysis): Use VEC instead of VARRAY.
4123 * alias.c (alias_sets): Change the type to
4124 VEC(alias_set_entry,gc) *.
4125 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4126 VEC instead of VARRAY.
4127 (last_alias_set): Remove.
4129 * cgraph.h (cgraph_edge_p): New.
4130 Update the prototype of cgraph_function_versioning.
4131 * cgraphunit.c (cgraph_copy_node_for_versioning,
4132 cgraph_function_versioning): Use VEC instead of VARRAY.
4133 * ipa-cp.c (ipcp_insert_stage): Likewise.
4135 2006-04-16 Roger Sayle <roger@eyesopen.com>
4138 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4139 "A op B" or "A op C", we may need to convert A to the type of B and C.
4141 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4143 * target.h (struct gcc_target): Add mode_rep_extended.
4144 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4145 (init_num_sign_bit_copies_in_rep): Initialize it using
4147 (truncate_to_mode): Use it.
4148 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4149 * targhooks.h (default_mode_rep_extended): Declare it.
4150 * targhooks.c (default_mode_rep_extended): Define it.
4151 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4152 default_mode_rep_extended.
4153 (TARGET_INITIALIZER): Include it.
4154 * doc/tm.texi (Misc): Document it.
4155 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4156 (mips_truncated_to_mode): New function.
4158 2006-04-16 Roger Sayle <roger@eyesopen.com>
4161 * expr.c (compress_float_constant): Copy the narrow constant into
4162 a new pseudo before extending it to its final width.
4164 2006-04-16 Roger Sayle <roger@eyesopen.com>
4165 Andrew Pinski <pinskia@gcc.gnu.org>
4166 Dale Johannesen <dalej@apple.com>
4169 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4170 special case code to implement V8HImode and V16QImode with SSE2.
4172 2006-04-15 Roger Sayle <roger@eyesopen.com>
4174 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4175 trees are constructed with a suitable tree type.
4177 2006-04-15 Roger Sayle <roger@eyesopen.com>
4179 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4180 (integer_onep): Likewise.
4181 (integer_all_onesp): Likewise.
4182 (integer_pow2p): Likewise.
4183 (integer_nonzerop): Likewise.
4184 (real_zerop): Likewise.
4185 (real_onep): Likewise.
4186 (real_twop): Likewise.
4187 (real_minus_onep): Likewise.
4188 (int_size_in_bytes): Likewise.
4189 (host_integerp): Likewise.
4191 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4193 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4194 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4195 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4197 * tree-ssa-structalias.h (alias_info): Remove num_references.
4199 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4201 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4202 (output_bvb patterns): Likewise.
4203 * pa.c (output_bb): Use 'bb' insn for long branch case.
4204 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4205 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4206 1. Correct length operand for alternatives 1 and 2.
4207 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4208 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4210 2006-04-14 Roger Sayle <roger@eyesopen.com>
4212 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4213 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4214 were accidentally reverted by r112959.
4216 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4219 * except.h (eh_region_outermost): New prototype.
4220 * except.c (eh_region_outermost): New function.
4221 * tree-cfg.c (find_outermost_region_in_block): Use it.
4223 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4225 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4227 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4228 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4229 (init_reload, reload): Use VEC instead of VARRAY.
4230 * reload.h: Update the prototype for
4231 reg_equiv_memory_loc_varray.
4233 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4234 Eric Botcazou <ebotcazou@libertysurf.fr>
4236 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4239 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4242 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4243 to expand fallback builtin function call.
4245 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4248 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4249 and emit libcall here in case the builtin fails.
4250 (expand_builtin_strcmp): Always emit the libcall here on failure.
4252 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4254 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4255 * flow.c (reg_n_info): Change the type to
4256 VEC(reg_info_p,heap) *.
4257 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4259 * regs.h (reg_info_p): New.
4260 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4261 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4262 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4265 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4267 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4269 * params.h (MAX_SCHED_READY_INSNS): New macro.
4270 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4271 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4272 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4273 the ready list for 1 cycle during the first scheduling pass.
4274 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4276 2006-04-13 Richard Henderson <rth@redhat.com>
4279 * gimple-low.c (lower_omp_directive): Remove dead code.
4280 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4281 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4282 * omp-low.c (struct omp_region): Move to tree-flow.h.
4283 (root_omp_region): Export.
4284 (omp_regions, lookup_omp_region): Remove.
4285 (determine_parallel_type): Update for struct omp_region changes.
4286 (dump_omp_region): Dump regions with block numbers.
4287 (new_omp_region): Take type and block instead of stmt; malloc
4289 (free_omp_region_1, free_omp_regions): New.
4290 (expand_parallel_call): Take entry_stmt as argument; update for
4291 changes to omp_region.
4292 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4293 (remove_exit_barriers): New.
4294 (expand_omp_parallel): Update for struct omp_region changes.
4295 (expand_omp_synch): Likewise.
4296 (expand_omp): Likewise.
4297 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4298 (expand_omp_for_static_chunk): Likewise.
4299 (expand_omp_for): Likewise.
4300 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4301 (expand_omp_sections): Similarly, with GOMP_sections_end.
4302 (expand_omp_single): New.
4303 (build_omp_regions_1): Update for OMP_CONTINUE.
4304 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4305 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4306 OMP_SECTIONS_SECTIONS.
4307 (lower_omp_single_simple): Don't emit barrier here.
4308 (lower_omp_single_copy): Likewise.
4309 (lower_omp_single): Fix bindings, and lower to straightline now.
4310 (lower_omp_master, lower_omp_ordered): Likewise.
4311 (lower_omp_critical): Likewise.
4312 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4313 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4314 omp edges, free it afterward.
4315 (make_omp_sections_edges): Remove.
4316 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4317 (move_stmt_r): Handle OMP_CONTINUE.
4318 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4319 statement pointers to basic blocks. Add type member.
4320 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4321 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4322 * tree-inline.c (estimate_num_insns_1): Likewise.
4323 * tree-pretty-print.c (dump_generic_node): Likewise.
4324 * tree-ssa-operands.c (get_expr_operands): Likewise.
4325 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4326 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4327 (OMP_CONTINUE): New.
4328 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4329 (OMP_SECTIONS_SECTIONS): Remove.
4330 (OMP_SECTION_LAST): New.
4331 (OMP_RETURN_NOWAIT): New.
4333 2006-04-13 Roger Sayle <roger@eyesopen.com>
4335 * fold-const.c (native_encode_vector, native_interpret_real):
4336 Correct obvious mistakes in the previous check-in.
4338 2006-04-13 Roger Sayle <roger@eyesopen.com>
4340 * fold-const.c (native_encode_expr): New function to encode
4341 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4342 or VECTOR_CST into a specified buffer.
4343 (native_encode_int): New function.
4344 (native_encode_real): New function.
4345 (native_encode_complex): New function.
4346 (native_encode_vector): New function.
4347 (native_interpret_expr): Inverse of native_encode_expr to convert
4348 a target representation into an INTEGER_CST, REAL_CST etc...
4349 (native_interpret_int): New function.
4350 (native_interpret_real): New function.
4351 (native_interpret_complex): New function.
4352 (native_interpret_vector): New function.
4353 (fold_view_convert_expr): New function to constant fold/evaluate
4354 a VIEW_CONVERT_EXPR of a suitable constant expression.
4355 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4356 Change call of build1 to fold_build1 when constructing a
4359 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4360 Ulrich Weigand <uweigand@de.ibm.com>
4363 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4366 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4369 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4370 optimize to lo_sum for DFmode if !TARGET_FPRS.
4372 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4374 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4375 delete_alias_info, compute_flow_sensitive_aliasing,
4376 group_aliases): Use VEC instead of VARRAY.
4377 * tree-ssa-structalias.c (update_alias_info): Likewise.
4378 * tree-ssa-structalias.h (alias_info): Change the type of
4379 processed_ptrs to VEC(tree,heap) *.
4381 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4384 * config/sh/lib1funcs.h: New file, broken out of:
4385 * config/sh/lib1funcs.asm.
4386 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4388 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4389 * config/sh/lib1funcs-Os-4-200.asm: New file.
4390 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4391 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4392 (EXTRA_MULTILIB_PARTS): Include it.
4393 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4394 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4395 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4396 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4399 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4401 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4402 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4403 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4405 * tree-ssa-live.h: Include vecprim.h.
4406 (tree_partition_associator_d): Change the type of
4407 first_partition to VEC(int,heap) *.
4408 (tpa_first_partition): Use VEC instead of VARRAY.
4410 * Makefile.in (GTFILES): Move functions.h after tree.h.
4411 * function.c (reset_block_changes, record_block_change,
4412 check_block_change, free_block_changes): Use VEC instead of
4414 * function.h (function): Change the type of
4415 ib_boundaries_block to VEC(tree,gc) *.
4416 * tree-inline.c (copy_cfg_body): Initialize
4417 ib_boundaries_block to NULL instead of (varray_type) 0.
4419 2006-04-12 Roger Sayle <roger@eyesopen.com>
4421 * expr.c (emit_group_store): Correct operand order in call to
4422 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4423 a SUBREG_BYTE of zero.
4425 2006-04-12 Richard Guenther <rguenther@suse.de>
4427 * profile.c (compute_branch_probabilities): Remove code
4428 encapsulated in !ir_type (), which are remanents of the
4429 removed RTL profiling code.
4430 * rtl-profile.c: Remove.
4432 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4434 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4435 magic NULL_RTX comment.
4436 (function_arg): Store entire fp arg to mem if any part should go
4438 (rs6000_arg_partial_bytes): Adjust for above change.
4440 2006-04-11 Roger Sayle <roger@eyesopen.com>
4442 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4443 if it hasn't been initialized by dwarf2out_init.
4445 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4447 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4448 symbolic constants in branch patterns.
4450 2006-04-11 Roger Sayle <roger@eyesopen.com>
4452 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4454 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4456 PR rtl-optimization/27073
4457 * gcse.c (try_replace_reg): Revert last change. Continue to search
4458 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4461 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4463 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4464 aggregate types other than record and union types.
4465 (function_arg): Likewise.
4466 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4468 (function_value): In 64-bit mode, return objects that require it
4471 2006-04-11 Roger Sayle <roger@eyesopen.com>
4473 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4475 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4477 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4479 2006-04-03 Jeff Law <law@redhat.com>
4482 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4483 alias information too.
4485 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4487 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4489 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4492 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4493 (premark_used_types_helper): New.
4494 (premark_used_types): New.
4495 (gen_subprogram_die): Call premark_used_types.
4496 (prune_unused_types_walk): Do not prune perennial dies.
4497 * function.c (used_types_insert): New.
4498 * function.h (struct function): Add used_types_hash field.
4499 (used_types_insert): Add prototype.
4500 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4501 * c-parser.c (c_parser_cast_expression): Save casted types in used
4504 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4507 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4508 rs6000_explicit_options.float_gprs.
4510 2006-04-10 Roger Sayle <roger@eyesopen.com>
4512 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4513 from ix86_expand_vector_init_low_nonzero. Take an additional
4514 one_var argument indicating which element is non-zero. Support
4515 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4516 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4517 with one_var instead of ix86_expand_vector_init_low_nonzero.
4519 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4521 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4522 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4523 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4524 build/genextract.o): Depend on vecprim.h.
4525 * cfglayout.c, df-problems.c, function.c, genextract.c,
4526 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4527 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4531 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4533 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4534 Declare VECs of this type.
4535 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4536 (remove_children): Delete.
4537 (add_dwarf_attr): Use VEC routines.
4538 (add_AT_flag): Update for changes to add_dwarf_attr.
4539 (add_AT_int): Likewise.
4540 (add_AT_unsigned): Likewise.
4541 (add_AT_long_long): Likewise.
4542 (add_AT_vec): Likewise.
4543 (add_AT_string): Likewise.
4544 (add_AT_die_ref): Likewise.
4545 (add_AT_fde_ref): Likewise.
4546 (add_AT_loc): Likewise.
4547 (add_AT_loc_list): Likewise.
4548 (add_AT_addr): Likewise.
4549 (add_AT_lbl_id): Likewise.
4550 (add_AT_lineptr): Likewise.
4551 (add_AT_macptr): Likewise.
4552 (add_AT_offset): Likewise.
4553 (add_AT_range_list): Likewise.
4554 (get_AT): Use VEC_iterate.
4555 (remove_AT): Use VEC_ordered_remove.
4556 (free_die): Fold remove_children into here; have it use VEC_iterate.
4557 (print_die): Use VEC_iterate on attrs.
4558 (reverse_die_lists): Don't reverse attr lists.
4559 (die_checksum): Use VEC_iterate on attrs.
4560 (same_die_p): Likewise.
4561 (output_location_lists): Likewise.
4562 (build_abbrev_table): Likewise.
4563 (size_of_die): Likewise.
4564 (unmark_all_dies): Likewise.
4565 (output_abbrev_section): Likewise.
4566 (output_die): Likewise.
4567 (prune_unused_types_walk_attribs): Likewise.
4569 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4571 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4573 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4576 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4578 2006-04-09 Roger Sayle <roger@eyesopen.com>
4580 * expr.c (store_constructor): Don't bother clearing target if
4581 we're about to assign a vector to it using vec_init_optab.
4583 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4585 * tree-ssa-alias.c (lhs_may_store_to): New function.
4586 (recalculate_used_alone): Handle LHS of calls.
4588 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4592 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4593 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4594 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4595 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4596 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4597 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4598 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4599 stubs. Add ".align 8" directives before all ".dword" directives.
4600 (GTHREAD_USE_WEAK): Revise comment.
4601 (TARGET_ATTRIBUTE_WEAK): Define.
4602 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4603 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4604 * stublib.c: New file.
4609 * pa.md (cbranch patterns): Revise arguments used in calls to
4610 output_cbranch, output_bb and output_bvd. Add long branch length
4612 (fbranch patterns): Handle long branches.
4613 (jump): Revise length check. Revise arguments for output_lbranch call.
4614 Add long branch length attributes.
4615 (decrement_and_branch_until_zero): Add long branch length attributes.
4616 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4617 Likewise. Revise arguments for output_parallel_addb and
4618 output_parallel_movb calls.
4619 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4620 output_parallel_movb and output_parallel_addb): Update prototypes.
4621 * pa.c (output_cbranch): Revise arguments. Correct handling of
4622 nullification in long branches.
4623 (output_lbranch): Add new argument to control extraction of delay
4625 (output_bb): Handle long branches.
4626 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4627 output_parallel_addb): Likewise.
4629 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4631 PR rtl-optimization/27073
4632 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4635 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4637 * tree.h (tree_memory_tag): Add old_used_alone.
4638 (SMT_OLD_USED_ALONE): New macro.
4639 * tree-ssa-alias.c (recalculate_used_alone): Stop
4640 marking things for renaming unnecessarily.
4642 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4644 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4645 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4646 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4647 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4648 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4649 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4650 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4651 spelling convensions.
4652 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4653 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4654 typos. Follow spelling conventions.
4656 2006-04-07 DJ Delorie <dj@redhat.com>
4658 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4659 passed on the stack.
4660 (m32c_init_cumulative_args): When a function returns a structure,
4661 always pass the pointer to that return area on the stack.
4662 (m32c_function_arg_advance): Don't increment the parameter number
4663 if we're processing the returned structure pointer.
4664 (pushm_info): Reverse order of registers.
4666 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4668 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4669 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4670 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4671 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4673 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4674 chrec_fold_multiply): Same.
4675 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4676 force_expr_to_var_cost): Same.
4677 * tree-mudflap.c (mf_xform_derefs_1): Same.
4678 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4680 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4682 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4683 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4686 2006-04-07 Jan Hubicka <jh@suse.cz>
4688 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4690 2006-04-07 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/26135
4693 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4694 loads for store copy-prop.
4695 (copy_prop_visit_stmt): Likewise.
4697 2006-04-05 Robert Millan <robertmh@gnu.org>
4699 * config/i386/linux.h: Add a comment to mark macros that are
4700 being overriden in config/k*bsd-gnu.h.
4701 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4703 * config/knetbsd-gnu.h: Ditto.
4705 2006-04-06 Jan Hubicka <jh@suse.cz>
4709 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4712 2006-04-06 Mike Stump <mrs@apple.com>
4714 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4715 for HAVE_nonlocal_goto to be consistent.
4716 (expand_builtin_nonlocal_goto): Likewise.
4717 (expand_builtin_strcmp): Use #ifdef instead of #if
4718 for HAVE_cmpstrnsi to be consistent.
4720 2006-04-05 DJ Delorie <dj@redhat.com>
4722 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4725 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4727 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4728 got-relative addressing for anything but SImode.
4730 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4731 even if the calling function doesn't modify them.
4733 2006-04-05 Richard Guenther <rguenther@suse.de>
4735 PR tree-optimization/26919
4736 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4737 to cgraph_estimate_size_after_inlining.
4739 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4741 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4743 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4745 PR tree-optimization/26996
4746 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4747 VECTOR_TYPE variables.
4749 2006-04-05 Richard Guenther <rguenther@suse.de>
4751 PR tree-optimization/26763
4752 * fold-const.c (fold_comparison): Move folding of
4753 PTR + CST CMP PTR + CST ...
4754 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4756 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4758 * doc/install.texi (Prerequisites): Refine some wording on
4759 bootstrapping and ksh.
4760 Move the version numbers of DejaGnu here from the testing section
4761 and fix casing of names.
4762 Fix markup and clarify wording for autogen requirements.
4763 Refer to GCJ instead of just java.
4764 Refer to SVN instead of CVS.
4765 Describe diffutils as useful instead of necessary.
4766 (Downloading the source): Refer to SVN instead of CVS.
4767 Adjust a link to our web site accordingly.
4768 (Configuration): Fix casing of Bison.
4769 (Building): Refer to SVN instead of CVS.
4770 Fix a sentence on the use of Bison and remove duplicate (and
4771 incorrect) version number of Bison requirement.
4772 Remove one redundant list of packages needed for building.
4773 (Specific): Avoid reference to CVS.
4775 2006-04-04 Eric Christopher <echristo@apple.com>
4777 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4778 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4779 (rs6000_handle_struct_attribute): New.
4780 (rs6000_ms_bitfield_layout_p): Ditto.
4782 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4784 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4785 NULL for dso parameter to atexit_common.
4787 2006-04-04 Eric Christopher <echristo@apple.com>
4789 * config/i386/i386.c (machopic_output_stub): Output \t
4790 between instructions and operands.
4792 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4794 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4795 satisfies_constraint_[IL] to explicit tests on value.
4797 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4799 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4800 set_nb_iterations_in_loop): Use build_int_cst instead of
4802 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4803 build_int_cst instead of convert.
4805 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4807 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4808 new value 2 for incoming.
4809 * function.c (expand_function_start): Call struct_value_rtx
4811 * config/sparc/sparc.md: Comment updated_return.
4812 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4813 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4814 struct return if sparc_std_struct_return and incoming is 2.
4815 (print_operand): Do not adjust return if
4816 sparc_std_struct_return.
4818 2006-04-04 Roger Sayle <roger@eyesopen.com>
4820 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4821 convert in the middle-end.
4822 * expr.c (store_expr, store_constructor, get_inner_reference,
4823 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4825 * tree.c (build_range_type): Likewise.
4827 2006-04-04 Tom Tromey <tromey@redhat.com>
4829 * doc/install.texi (Prerequisites): Mention jar.
4831 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4833 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4836 2006-04-04 Matthias Klose <doko@debian.org>
4838 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4839 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4842 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4844 * doc/extend.texi (Function Attributes): Rewrite visibility
4845 attribute documentation.
4846 * doc/invoke.texi (C++ Dialect Options): Rewrite
4847 -fvisibility-inlines-hidden documentation to describe something
4848 entirely different, although in practise compatible.
4849 (Code Gen Options): Warn about system headers in -fvisibility=
4852 * doc/extend.texi (Other Builtins): Document that
4853 __builtin_nan is a compile-time constant only when its argument
4856 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4858 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4859 trying to remove TRUNCATE check if all bits outside the new mode
4860 are identical to the sign bit.
4862 2006-04-03 Jeff Law <law@redhat.com>
4864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4865 and operand scanning in some common cases.
4867 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4868 Dale Johannesen <dalej@apple.com>
4871 * regclass.c (struct reg_pref): Update documentation.
4872 (regclass): Set prefclass to NO_REGS if memory is the best option.
4873 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4874 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4875 into account. For non-registers, equate an empty preferred
4876 reload class to a `!' in the constraint; move the if clause to
4877 do so after those that reject the insn.
4878 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4880 (find_dummy_reload): Likewise.
4881 * doc/tm.texi (Register Classes): Document what it means
4882 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4883 * config/i386/i386.c (ix86_preferred_reload_class): Force
4884 using SSE registers (and return NO_REGS for floating-point
4885 constants) if math is done with SSE.
4886 (ix86_preferred_output_reload_class): New.
4887 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4888 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4889 * config/i386/i386.md: Remove # register preferences.
4891 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4894 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4895 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4896 the type of nb_iter.
4897 (instantiate_parameters_1): Convert the operands before calling
4898 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4899 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4901 2006-04-02 Roger Sayle <roger@eyesopen.com>
4903 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4904 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4906 * dojump.c (do_jump): Likewise.
4907 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4908 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4909 gimplify_boolean_expr): Likewise.
4910 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4911 * varasm.c (array_size_for_constructor): Likewise.
4912 * tree-object-size.c (compute_object_offset): Likewise.
4914 2006-04-02 Roger Sayle <roger@eyesopen.com>
4917 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4918 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4920 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4922 PR tree-optimization/26939
4923 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4925 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4927 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4928 at_stmt. Convert the type of operands before calling
4929 build_polynomial_chrec.
4930 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4932 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4933 (instantiate_parameters_1): Convert the type of operands before calling
4934 build_polynomial_chrec.
4935 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4936 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4937 reset_evolution_in_loop): Insert asserts to check the types of the
4939 (chrec_type): Moved...
4940 (eq_evolutions_p): Use operand_equal_p.
4941 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4942 the types of the operands.
4943 (chrec_type): ...here.
4944 * tree-data-ref.c (create_data_ref): Convert the operands before
4945 calling chrec_replace_initial_condition.
4946 (same_access_functions, analyze_subscript_affine_affine,
4947 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4948 (compute_subscript_distance, analyze_ziv_subscript,
4949 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4950 analyze_miv_subscript): Convert the operands before calling
4951 chrec_fold_minus or chrec_fold_plus.
4953 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4955 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4956 the dependence_relations vector.
4957 (compute_data_dependences_for_loop): Adjust call to
4958 compute_all_dependences.
4960 2006-04-01 Roger Sayle <roger@eyesopen.com>
4961 Richard Henderson <rth@redhat.com>
4963 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4964 gimple_boolify on the condition before calling gimplify_expr.
4966 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4968 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4969 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4970 the frame size. Update to use the new macros.
4971 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4972 * config/xtensa/ieee754-df.S: Likewise.
4974 2006-03-31 Richard Henderson <rth@redhat.com>
4976 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4977 (make_edges): ... here. Control fallthru creation with a local
4978 variable. Do not play with fake edges.
4979 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4980 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4983 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4985 * dwarf2.h (DW64_CIE_ID): Define.
4986 * dwarf2out.c (DWARF_CIE_ID): Define.
4987 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4988 length header. Use DWARF_CIE_ID.
4989 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4990 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4992 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4994 * config/sh/linux-atomic.asm: New file.
4995 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4997 2006-03-31 DJ Delorie <dj@redhat.com>
4999 * config/m32c/cond.md: Set condition flags properly throughout.
5000 * config/m32c/minmax.md: Likewise.
5001 * config/m32c/prologue.md: Likewise.
5002 * config/m32c/bitops.md: Likewise.
5003 * config/m32c/muldiv.md: Likewise.
5004 * config/m32c/mov.md: Likewise.
5005 * config/m32c/addsub.md: Likewise.
5006 * config/m32c/m32c.md: Likewise.
5007 * config/m32c/jump.md: Likewise.
5008 * config/m32c/shift.md: Likewise.
5010 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5011 conditionally output the pattern for this.
5012 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5013 (m32c_compare_redundant): New.
5014 (m32c_output_compare): New.
5015 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5017 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5018 dest, not src. Allow other 4-byte modes.
5020 2006-03-30 Denis Chertykov <denisc@overta.ru>
5022 * doc/md.texi: Refer to avr/constraints.md instead of
5025 2006-03-30 Roger Sayle <roger@eyesopen.com>
5027 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5028 signed vs. unsigned comparison failures on some hosts.
5030 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5033 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5034 change to FLOAT_REGS.
5036 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5037 (rs6000_override_options): Use it.
5038 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5039 only for -mabi=spe/no-spe and -mabi=altivec.
5041 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5043 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5046 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5048 * Makefile.in: Rename docdir to gcc_docdir.
5050 2006-03-30 Roger Sayle <roger@eyesopen.com>
5053 * expr.c (emit_group_store): Optimize group stores into a pseudo
5054 register by using a paradoxical subreg to initialize the destination
5055 if the first or last member of the group specifies a "low part".
5057 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5060 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5061 * target.h (struct gcc_target.speculate_insn): Change type of the
5062 second parameter to 'int'.
5063 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5064 the second operand of the DEPS_LIST.
5065 (copy_DEPS_LIST_list): Update reference to the second operand of the
5067 * rtl.h (alloc_DEPS_LIST): Update signature.
5068 * sched-int.h (ds_t): Change typedef to 'int'.
5069 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5071 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5073 * haifa-sched.c (try_ready): Change condition to restore
5074 non-speculative pattern of the instruction.
5075 (process_insn_depend_be_in_spec): Code to keep probability of the
5076 speculative dependence non-decreasing.
5078 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5080 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5081 (single_move_for_movmem): ... this. Also change all uses.
5082 (bfin_expand_strmov): Renamed to...
5083 (bfin_expand_movmem): ... this. Also change all uses.
5084 * config/bfin/bfin.md (movstrsi): Renamed to...
5085 (movstrsi): ...this.
5087 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5089 PR tree-optimization/26830
5091 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5092 (copy_prop_visit_stmt): Remove write-only variable ann.
5093 (init_copy_prop): Check variable loop depth here. Do not simulate
5094 memory-tag and virtual operand PHIs except for store copy prop.
5096 2006-03-30 Richard Guenther <rguenther@suse.de>
5098 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5099 variants with double arguments.
5101 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5103 * genpreds.c (write_tm_constrs_h): Delete variable p.
5104 * genconditions.c (write_header): Add tm-constrs.h to included
5106 * genpeep.c (main): Add toplev.h to included headers.
5107 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5108 (build/genpeep.o): Add toplev.h dependency.
5109 * config/rs6000/constraints.md: Add "W" constraint.
5111 2006-03-29 Roger Sayle <roger@eyesopen.com>
5113 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5114 sizes by correctly testing whether the size fits a host integer.
5115 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5116 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5117 SImode range for the default sizetype and bitsizetype.
5119 2006-03-29 Roger Sayle <roger@eyesopen.com>
5121 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5122 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5123 quickly if the argument is already of the correct type.
5124 Call fold_build1 instead of build1. Tidy up blank lines.
5126 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5128 * genemit.c (main): Add tm-constrs.h to included headers.
5129 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5130 * genpeep.c (main): Add tm-constrs.h to included headers.
5131 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5132 (write_tm_constrs_h): this and write complete file.
5133 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5134 (write_insn_preds_c): Add tm-constrs.h to included headers.
5135 (gen_constrs): New variable.
5136 (parse_option): Parse "-c".
5137 (main): Invoke write_tm_constrs_h.
5138 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5139 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5140 (object_out_file): Add tm-constrs.h dependency.
5141 (insn-emit.o): Same.
5142 (insn-output.o): Same.
5143 (insn-peep.o): Same.
5144 (insn-preds.o): Same.
5145 (insn-recog.o): Same.
5146 (tm-constsr.h): New target.
5147 (s-constrs-h): New target.
5149 * config/rs6000/constraints.md: New file.
5150 * config/rs6000/rs6000.c: Include tm-constrs.h.
5151 (num_insn_constant_wide): Convert to satisfies_constraint.
5152 (rs6000_rtx_costs): Convert to satisfies_constraint.
5153 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5154 (CONST_OK_FOR_LETTER_P): Delete.
5155 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5156 (EXTRA_CONSTRAINT): Delete.
5157 (EXTRA_MEMORY_CONSTRAINT): Delete.
5158 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5159 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5160 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5161 satisfies_constraint.
5163 * config/i386/i386.c: Include tm-constrs.h.
5165 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5167 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5168 * tree-data-ref.c (find_data_references_in_loop,
5169 compute_data_dependences_for_loop): Use pointers to VEC.
5170 (analyze_all_data_dependences): Adjust calls.
5171 * tree-data-ref.h (find_data_references_in_loop,
5172 compute_data_dependences_for_loop): Adjust declarations.
5173 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5174 compute_data_dependences_for_loop.
5176 2006-03-29 Paul Brook <paul@codesourcery.com>
5178 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5181 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5183 PR tree-optimization/26859
5184 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5186 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5187 for the step after fold_convert.
5189 2006-03-29 Paul Brook <paul@codesourcery.com>
5191 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5192 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5194 2006-03-29 Paul Brook <paul@codesourcery.com>
5197 * targhooks.c (default_narrow_bitfield): New fuction.
5198 * targhooks.h (default_narrow_bitfield): add prototype.
5199 * target.h (gcc_target): Add narrow_volatile_bitfield.
5200 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5201 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5202 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5203 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5205 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5207 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5209 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5210 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5211 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5212 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5213 (s390_function_arg_float): Allow SDmode and DDmode values to be
5214 passed in floating point registers.
5215 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5216 check with SCALAR_FLOAT_MODE_P.
5217 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5219 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5221 PR tree-optimization/25985
5222 * tree-ssa-loop-niter.c (number_of_iterations_le,
5223 number_of_iterations_ne): Make comments more precise.
5224 (number_of_iterations_cond): Add only_exit argument. Use the
5225 fact that signed variables do not overflow only when only_exit
5227 (loop_only_exit_p): New.
5228 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5229 number_of_iterations_cond.
5231 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5233 PR tree-optimization/26643
5234 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5237 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5239 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5240 (divsi3_i4_int): Likewise.
5242 2006-03-28 Roger Sayle <roger@eyesopen.com>
5244 * expr.c (emit_group_store): Only create a new pseudo reg if the
5245 quantity it needs to hold isn't already a suitable pseudo.
5247 2006-03-28 Jeff Law <law@redhat.com>
5249 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5250 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5252 2006-03-28 Roger Sayle <roger@eyesopen.com>
5254 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5255 the equivalent ~X & Y, and the symmetry related transformations.
5256 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5257 ~X & Y, and symmetry related transforms.
5259 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5261 Revert my 2006-03-27 patches.
5263 2006-03-28 Roger Sayle <roger@eyesopen.com>
5265 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5266 ~(T1)X, when T1 and T2 are integer types of the same precision
5267 and (T2)X isn't an extension.
5269 2006-03-28 Jeff Law <law@redhat.com>
5271 PR tree-optimization/26796
5272 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5273 need EH edge cleanups rather than purging them immediately.
5274 (eliminate_degenerate_phis): Handle queued EH cleanups.
5276 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5278 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5281 2006-03-27 Roger Sayle <roger@eyesopen.com>
5284 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5285 cast BIT_NOT_EXPR operand to the correct type.
5287 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5289 * tree-loop-linear.c: Don't include varray.h.
5290 (gather_interchange_stats, try_interchange_loops,
5291 linear_transform_loops): Use VEC instead of VARRAY.
5292 * lambda-mat.c: Don't include varray.h.
5293 * tree-chrec.c: Same.
5294 * lambda-trans.c: Same.
5295 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5296 VEC instead of VARRAY.
5297 * tree-vectorizer.h: Idem.
5298 * tree-data-ref.c (dump_data_references,
5299 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5300 initialize_data_dependence_relation, finalize_ddr_dependent,
5301 compute_all_dependences, find_data_references_in_loop,
5302 compute_data_dependences_for_loop, analyze_all_data_dependences,
5303 free_dependence_relation, free_dependence_relations,
5304 free_data_refs): Idem.
5305 * tree-data-ref.h (data_reference_p, subscript_p): New.
5306 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5307 VEC instead of VARRAY.
5308 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5309 (find_data_references_in_loop, compute_data_dependences_for_loop,
5310 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5311 dump_data_dependence_relations, free_dependence_relations,
5312 free_data_refs): Adjust declaration.
5313 (lambda_transform_legal_p): Move declaration here...
5314 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5315 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5316 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5317 vect_analyze_data_refs): Use VEC instead of VARRAY.
5318 * lambda.h (lambda_transform_legal_p): ...from here.
5319 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5320 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5321 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5322 tree-chrec.o): Don't depend on VARRAY_H.
5324 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5326 * rtl.def (Copyright): Update date.
5327 (DEPS_LIST): Change type of the second operand to 'int'.
5328 * target.h (Copyright): Update date.
5329 (struct gcc_target.speculate_insn): Change type of the second parameter
5331 * lists.c (Copyright): Update date.
5332 (alloc_DEPS_LIST): Change signature. Update reference to the second
5333 operand of the DEPS_LIST.
5334 (copy_DEPS_LIST_list): Update reference to the second operand of the
5336 * rtl.h (Copyright): Update date.
5337 (alloc_DEPS_LIST): Update signature.
5338 * sched-int.h (Copyright): Update date.
5339 (ds_t): Change typedef to 'int'.
5340 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5342 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5344 * haifa-sched.c (Copyright): Update date.
5345 (try_ready): Change condition to restore non-speculative pattern
5347 (process_insn_depend_be_in_spec): Code to keep probability of the
5348 speculative dependence non-decreasing.
5350 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5352 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5353 shut up the compiler.
5355 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5357 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5358 to use lib prefix for target.
5359 ($(T)libic_invalidate_array_4-200.a): Likewise.
5360 ($(T)libic_invalidate_array_4a.a): Likewise.
5362 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5363 J"orn Rennecke <joern.rennecke@st.com>
5365 * superh.opt: New file.
5366 * sh.c (boardtype, osruntime): Remove.
5367 * superh.h (SUBTARGET_OPTIONS): Remove.
5368 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5370 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5371 arguments with ^ and/or [].
5373 * config.gcc (sh-*-*): Add quoting to account for quirk of
5375 Replace == with = in enable_incomplete_targets test.
5377 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5378 with MASK_LITTLE_ENDIAN.
5380 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5381 * config/sh/sh.opt: Added to some comments.
5382 * config/sh/superh.h: Removed some chaff.
5384 * config/sh/sh.opt: Add m4-[1234]00* options.
5385 * config/sh/sh.c (sh_handle_option): Likewise.
5386 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5387 (ic_invalidate_array_4-100.o): New rule.
5388 ($(T)libic_invalidate_array_4-100.a): Likewise.
5389 (ic_invalidate_array_4-200.o): Likewise.
5390 ($(T)libic_invalidate_array_4-200.a): Likewise.
5391 (ic_invalidate_array_4a.o): Likewise.
5392 ($(T)libic_invalidate_array_4a.a): Likewise.
5393 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5394 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5396 * config/sh/crt1.asm: Merged in profiling code.
5397 * config/sh/superh.h (STARTFILE_SPEC): Override.
5398 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5399 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5400 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5402 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5403 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5404 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5406 * sh.opt (mpretend-cmove): New option.
5407 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5408 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5409 (movsicc): Add TARGET_PRETEND_CMOVE code.
5411 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5413 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5414 s390_class_max_nregs): New function prototypes.
5415 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5416 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5417 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5418 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5420 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5422 * dwarf2out.c (add_location_or_const_value_attribute): Call
5423 tree_add_const_value_attribute if nothing else works.
5424 (reference_to_unused): New.
5425 (rtl_for_decl_init): Use reference_to_unused to decide whether
5426 to output an initializer.
5428 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5431 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5432 peephole removing spe frob_di_df_2.
5434 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5436 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5437 (subscript_dependence_tester_1): Declared.
5438 (print_dir_vectors, print_dist_vectors): New.
5439 (debug_data_dependence_relation): New.
5440 (dump_data_dependence_relation): Print more details.
5441 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5442 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5443 (save_dist_v, save_dir_v, add_outer_distances,
5444 build_classic_dist_vector_1): New.
5445 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5446 Don't test for lambda_vector_lexico_pos.
5447 (same_access_functions, add_multivariate_self_dist,
5448 add_other_self_distances, dir_from_dist): New.
5449 (build_classic_dir_vector): Replace implementation almost identical to
5450 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5452 (subscript_dependence_tester_1): New.
5453 (subscript_dependence_tester): Handle the lexicographically negative
5454 distance vectors by recomputing the dependence relation.
5455 (compute_affine_dependence): Remove parameter loop_nest_depth.
5456 (compute_self_dependence): Don't call compute_subscript_distance.
5457 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5458 Add a parameter for the loop_nest.
5459 (find_loop_nest_1, find_loop_nest): New.
5460 (compute_data_dependences_for_loop): Compute the loop nest, and give
5461 up if the nest is not well formed.
5462 * tree-data-ref.h (loop_p): New.
5463 (struct data_dependence_relation): Replace size_vect field with
5464 loop_nest, a vec of loops.
5465 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5466 (DDR_LOOP_NEST): New.
5467 (print_dir_vectors, print_dist_vectors,
5468 debug_data_dependence_relation): Declared.
5469 (index_in_loop_nest): New.
5470 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5471 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5474 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5476 * simplify-rtx.c (simplify_relational_operation): Call
5477 simplify_relational_operation_1 even if mode is VOIDmode.
5479 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5481 PR tree-optimization/26804
5482 * tree.h (DECL_CALL_CLOBBERED): New macro.
5483 (tree_decl_common): Add call_clobbered_flag.
5484 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5485 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5486 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5487 (mark_non_addressable): Ditto.
5488 * tree-ssa.c (verify_call_clobbered): New function.
5489 (verify_alias_info): Use it.
5490 * tree-pass.h (pass_reset_cc_flags): New prototype.
5491 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5492 (reset_cc_flags): New function.
5493 * passes.c (init_optimization_passes): Call reset_cc_flags after
5494 initializing referenced_vars.
5496 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5497 Roger Sayle <roger@eyesopen.com>
5500 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5501 to 1.0 for non-real operands. Implement A / A optimization for
5504 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5506 * config/i386/i386.c (size_cost): Correct the comment for
5507 cost of storing fp registers.
5508 (i386_cost): Likewise.
5509 (i486_cost): Likewise.
5510 (pentium_cost): Likewise.
5511 (pentiumpro_cost): Likewise.
5512 (k6_cost): Likewise.
5513 (athlon_cost): Likewise.
5514 (k8_cost): Likewise.
5515 (pentium4_cost): Likewise.
5516 (nocona_cost): Likewise.
5517 (generic64_cost): Likewise.
5518 (generic32_cost): Likewise.
5520 2006-03-24 Denis Chertykov <denisc@overta.ru>
5522 * config/avr/avr-protos.h (extra_constraint): Delete.
5523 (extra_constraint_Q): New declaration.
5524 * config/avr/constraints.md: New file.
5525 * config/avr/avr.md: Include it.
5526 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5527 (TMP_REGNO, ZERO_REGNO): Likewise.
5528 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5529 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5530 (extra_constraint): Delete.
5531 (extra_constraint_Q): Test for memory constraint 'Q'.
5532 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5533 (REG_CLASS_FROM_LETTER): Delete.
5534 (CONST_OK_FOR_LETTER_P): Delete.
5535 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5536 (EXTRA_CONSTRAINT): Delete.
5537 (TMP_REGNO): Delete.
5538 (ZERO_REGNO): Delete.
5540 2006-03-24 Jeff Law <law@redhat.com>
5542 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5543 directly. Call mark_new_vars_to_rename slightly earlier.
5545 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5547 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5549 (gen_compile_unit_die): Use new language types for Objective-C and
5551 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5552 DW_LANG_C_plus_plus.
5555 * config/t-darwin (crt3.o): Work around bug 26840.
5556 * config/darwin-crt3.c: Rewrite.
5557 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5559 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5561 * doc/invoke.texi: Document -femit-class-debug-always
5562 * common.opt: Add -femit-class-debug-always.
5564 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5566 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5567 index and base register.
5568 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5569 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5570 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5571 REGNO_OK_FOR_INDEX_P.
5572 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5574 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5575 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5576 REG_OK_FOR_BASE_P): Definitions removed.
5578 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5581 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5582 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5583 set yet or weren't marked as local yet.
5585 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5587 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5590 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5592 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5593 (rs6000_legitimate_small_data_p): Delete.
5594 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5595 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5596 and make static. Add forward declaration. Update uses.
5597 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5598 of offsettable_memref_p.
5599 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5600 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5602 2006-03-24 Jeff Law <law@redhat.com>
5604 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5605 around bug in immediate-use iterator.
5607 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5610 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5611 or __LITTLE_ENDIAN__.
5613 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5615 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5616 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5617 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5618 * config/sh/sh.opt (mdiv=): Amend description.
5619 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5620 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5621 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5622 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5623 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5624 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5625 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5626 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5627 TARGET_DIVIDE_CALL_FP.
5629 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5631 * haifa-sched.c (choose_ready): Fix type of the local variable.
5632 Move local variables. Add comment.
5633 (check_reg_live): Change signature. Make callable from debugger.
5634 * sched-int.h (check_reg_live): Update signature.
5635 * sched-ebb.c (check_reg_live): Update parameters.
5636 * sched-rgn.c (check_reg_live): Ditto.
5637 (region_head_or_leaf_p): Check pointer before dereferencing.
5638 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5639 before reload on optimization levels below 1.
5641 2006-03-23 Richard Henderson <rth@redhat.com>
5643 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5647 * config/alpha/predicates.md (local_symbolic_operand): Reject
5650 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5653 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5654 expressions which have overflowed constants.
5656 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5658 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5660 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5662 * cfgloopmanip.c (create_loop_notes): Removed.
5663 * final.c (final_scan_insn): Do not handle loop notes.
5664 * jump.c (squeeze_notes): Ditto.
5665 * cfglayout.c (skip_insns_after_block,
5666 duplicate_insn_chain): Ditto.
5667 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5669 * cfgloop.h (create_loop_notes): Declaration removed.
5671 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5673 * varasm.c (output_constant_pool): Restore fnname and fndecl
5675 (assemble_start_function): Adjust call accordingly.
5676 (assemble_end_function): Likewise.
5678 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5681 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5684 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5686 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5689 * system.h (ICE_EXIT_CODE): New macro.
5690 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5691 (diagnostic_action_after_output): Likewise.
5692 * gcc.c (fatal_ice): New function.
5693 (execute): Use it instead of fatal.
5694 (fancy_abort): Likewise.
5695 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5697 2006-03-22 Jeff Law <law@redhat.com>
5699 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5700 iv_analyze_result returning false.
5702 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5704 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5706 2006-03-22 Richard Henderson <rth@redhat.com>
5709 * except.c (duplicate_eh_regions_0): New.
5710 (duplicate_eh_region_1): Duplicate the children of the node as
5711 well as the node itself. Link them up properly.
5712 (duplicate_eh_region_2): Merge into ...
5713 (duplicate_eh_regions): ... here. Take copy_region argument, and
5714 copy only a sub-tree if asked. Simplify copying and fixup.
5715 (eh_region_outer_p): New.
5716 * except.h (duplicate_eh_regions): Update decl.
5717 (eh_region_outer_p): Declare.
5718 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5719 (lower_omp_master): Likewise.
5720 (lower_omp_ordered): Likewise.
5721 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5722 (move_stmt_r): Use it to remap labels. Handle recursion vs
5723 remap_decls_p properly.
5724 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5725 (find_outermost_region_in_block): New.
5726 (new_label_mapper): New.
5727 (move_sese_region_to_fn): Copy eh information to the new function
5729 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5731 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5734 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5736 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5737 into shared libraries.
5739 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5741 * doc/md.texi: Refer to i386/constraints.md instead of
5743 * config/i386/constraints.md: New file, extracted from...
5744 * config/i386/predicates.md: ...here.
5745 * config/i386/i386.md: Include constraints.md.
5747 2006-03-21 Jason Merrill <jason@redhat.com>
5749 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5752 * expr.c (init_block_move_fn): Force default visibility.
5753 (init_block_clear_fn): Likewise.
5754 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5755 * targhooks.c (default_external_stack_protect_fail): Likewise.
5757 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5759 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5760 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5761 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5762 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5763 (loadgp): Use mips_current_loadgp_style.
5764 (loadgp_noshared): New pattern.
5765 (sibcall_internal): Use MIPS_CALL.
5766 (sibcall_value_internal): Likewise.
5767 (sibcall_value_multiple_internal): Likewise.
5768 (call_internal): Likewise.
5769 (call_value_internal): Likewise.
5770 (call_value_multiple_internal): Likewise.
5771 (call_split): Use MIPS_CALL and add an 'S' constraint.
5772 (call_value_split): Likewise.
5773 (call_value_multiple_split): Likewise.
5774 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5775 (-mshared): New option.
5776 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5777 (mips_current_loadgp_style): Declare.
5778 * config/mips/mips.c (mips_classify_symbol): Avoid using
5779 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5780 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5781 TARGET_ABSOLUTE_ABICALLS.
5782 (override_options): Adjust comments. Improve the warning that is
5783 issued when -mabicalls and -G are used together.
5784 (mips_file_start): Remove comment.
5785 (mips_current_loadgp_style): New function.
5786 (mips_gnu_local_gp): New variable.
5787 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5789 (mips_output_function_prologue): Use mips_current_laodgp_style.
5790 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5791 the cprestore instruction.
5792 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5793 live for TARGET_ABSOLUTE_ABICALLS.
5794 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5795 (ASM_SPEC): Pass down -mshared and -mno-shared.
5796 (MIPS_CALL): New macro.
5797 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5799 * doc/invoke.texi (-mabicalls): Update documentation.
5800 (-mshared): Document.
5802 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5804 * config/ia64/unwind-hpux.c: New file.
5805 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5807 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5810 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5812 2006-03-21 Jeff Law <law@redhat.com>
5814 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5815 type conversions of a VR_VARYING source to a wider type.
5817 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5819 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5820 tm_file on Solaris 10 and later.
5821 (sparc64-*-solaris2*): Likewise.
5822 (sparc-*-solaris2*): Likewise.
5823 * config/sol26.h: Rename to config/sol2-6.h.
5824 * config/sol2-10.h: New file.
5826 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5829 * tree-ssa-pre.c (create_component_ref_by_pieces):
5832 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5835 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5836 return it immediately.
5838 2006-03-21 Michael Matz <matz@suse.de>
5840 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5842 (remove_arc, add_arc): Update num_out_arcs member.
5843 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5845 (cache_presence): New function.
5846 (compare_states_for_equiv): New function.
5847 (state_is_differed): Don't take number of outargs, adjust callers.
5848 Use new invariant for speeding up.
5849 (init_equiv_class): Create initial classes based on sorted
5851 (partition_equiv_class): Don't track out_arcs_num.
5852 (evaluate_equiv_classes): Call cache_presence on all states and
5855 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5857 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5858 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5859 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5860 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5862 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5863 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5864 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5865 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5866 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5868 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5869 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5870 (REGNO_REG_CLASS): ARGP is in PREGS.
5871 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5873 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5874 to deal with those addresses.
5875 * addresses.h: New file.
5876 * caller-save.c: Include "addresses.h".
5877 (init_caller_save): Use new base_reg_class function.
5878 * rtl-factoring.c: Include "addresses.h".
5879 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5880 * recog.c: Include "addresses.h".
5881 (preprocess_constraints): Use new base_reg_class function.
5882 * regrename.c: Include "addresses.h".
5883 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5884 functions. Keep track of a new var INDEX_CODE to compute valid
5886 (replace_oldest_value_addr): Likewise.
5887 (replace_oldest_value_mem): Use base_reg_class.
5888 * reload.c: Include "addresses.h".
5889 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5890 (find_reloads): Use new base_reg_class function.
5891 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5892 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5893 all callers and prototype changed.
5894 * reload1.c: Include "addresses.h".
5895 (maybe_fix_stack_asms): Use base_reg_class.
5896 * regclass.c: Include "addresses.h".
5897 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5898 (init_reg_autoinc): Use new base_reg_class function.
5899 (record_reg_classes): Likewise.
5900 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5901 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5902 Use new args to compute necessary class.
5904 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5905 regrename.o, rtl-factoring.o): Update dependencies.
5906 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5907 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5908 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5909 REG_OK_FOR_INDEX_P): Delete documentation.
5911 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5913 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5914 from V7 to V9 for Solaris 7 and above.
5916 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5918 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5919 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5920 argument pointers may not alias any other storage.
5921 * common.opt: Define option -fargument-noalias-anything.
5922 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5923 alias semantics is specified by flag_argument_noalias > 2.
5925 2006-03-20 Jeff Law <law@redhat.com>
5927 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5928 (pass_phi_only_cprop): Declare.
5929 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5931 * tree-ssa-dom.c (degenerate_phi_result): New function.
5932 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5933 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5934 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5935 (eliminate_degenerate_phis): Likewise.
5936 (pass_phi_only_cprop): New pass descriptor.
5937 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5938 support code. Callers updated.
5939 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5940 (store_copy_prop): Likewise.
5941 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5943 2006-03-20 Jason Merrill <jason@redhat.com>
5946 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5947 (push_visibility, pop_visibility): Likewise.
5948 * c-pragma.h: Declare them.
5950 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5952 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5954 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5955 parameter and use get_ebb_head_tail.
5956 (sh_md_init_global): Adjust uses of find_regmode_weight.
5958 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5960 * function.h (struct function) <x_tail_recursion_reentry>:
5961 Rename to x_stack_check_probe_note.
5962 (tail_recursion_reentry): Rename to stack_check_probe_note.
5963 * function.c: Replace tail_recursion_reentry with
5964 stack_check_probe_note everywhere.
5965 (expand_function_start): Only emit a note for
5966 stack_check_probe_note with -fstack-protect.
5967 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5969 * emit-rtl.c (remove_unnecessary_notes): Remove.
5970 (pass_remove_unnecessary_notes): Remove.
5971 * rtl.h (remove_unnecessary_notes): Remove prototype.
5972 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5973 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5974 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5976 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5979 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5980 (valid_in_set): Handle ARRAY_REF.
5981 Change "if min_variant or VH" to asserts.
5982 (create_component_ref_by_pieces): Handle ARRAY_REF.
5983 (create_expression_by_pieces): Likewise.
5984 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5986 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5988 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5989 is operand of switch, not str[0].
5991 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5993 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5994 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5996 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5998 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5999 end of insn_extra_address_constraint declaration.
6001 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6003 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6004 (no-sum-in-toc): Same.
6005 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6007 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6008 NO_FP_IN_TOC for -fPIC instead of mask.
6010 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6011 (BOOT_LDFLAGS): Delete.
6013 * config/rs6000/t-aix52: Same.
6015 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6016 (stmsi[345678]_power): New.
6018 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6020 * config/ia64/ia64.opt: Add empty line to end of file.
6022 2006-03-17 Richard Guenther <rguenther@suse.de>
6025 * builtins.c (get_pointer_alignment): For component style references
6026 adjust alignment to the component type alignment. Make sure
6027 to adjust alignment for component access of constants.
6029 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6031 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6034 2006-03-17 Paul Brook <paul@codesourcery.com>
6036 * doc/install.texi: Docuemnt --with-mode.
6037 * config.gcc: Add --with-mode for arm*-*-*.
6038 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6040 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6042 * sh.c (max_labelno_before_reorg): New variable.
6043 (sh_reorg): Initialize it.
6044 (find_barrier): Check max_labelno_before_reorg before using
6045 label_to_alignment. Take length of explicit alignment insns
6046 into account. When seeing a UNSPECV_CONST_END, return it.
6048 * sh.c (fixup_mova): Set mode of affected label to QImode.
6049 (untangle_mova): New function.
6050 (find_barrier): Use it. Check mode of label before decrementing
6052 (sh_reorg): Likewise.
6053 Set mode of all insns back to VOIDmode.
6055 * sh.c (MOVA_LABELREF): New macro.
6056 (mova_p, fixup_mova, sh_reorg): Use it.
6057 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6058 ADDR_DIFF_VEC matches mova.
6060 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6062 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6063 with ATTRIBUTE_UNUSED.
6065 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6067 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6068 pointer, instead of assuming it is possible to derive the
6069 correct args size from a call insn.
6071 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6073 * rtl.h (CONST_INT_P): Define.
6074 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6075 instead of GET_CODE(x) == CONST_INT.
6076 (vax_rtx_costs): Likewise.
6077 (vax_output_int_move): Likewise.
6078 (vax_output_int_add): Likewise.
6079 (legitimate_constant_address_p): Likewise.
6080 (index_term_p): Likewise.
6081 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6082 * config/vax/vax.md (and<mode>3): Likewise.
6083 (ashrsi3): Likewise.
6085 (movstricthi): Likewise.
6086 (movstrictqi): Likewise.
6087 (rotrsi3): Likewise.
6088 (five unnamed insns): Likewise.
6090 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6092 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6093 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6094 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6095 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6096 Pass to ASM_OUTPUT_DWARF_OFFSET.
6097 * dwarf2out.c (debug_frame_section): New.
6098 (output_call_frame_info): Use debug_frame_section. Pass it to
6099 dw2_asm_output_offset.
6100 (output_die): Pass appropriate section to dw2_asm_output_offset.
6101 (output_compilation_unit_header): Likewise.
6102 (output_pubnames): Likewise.
6103 (output_aranges): Likewise.
6104 (enum dw_val_class): Break dw_val_class_lbl_offset into
6105 dw_val_class_lineptr and dw_val_class_macptr.
6106 (add_AT_lbl_offset): Delete.
6107 (add_AT_lineptr): New.
6108 (add_AT_macptr): New.
6109 (AT_lbl): Expect a lineptr or macptr.
6110 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6111 (attr_checksum): Likewise.
6112 (same_dw_val_p): Likewise.
6113 (size_of_die): Likewise.
6114 (value_format): Likewise.
6115 (output_die): Likewise.
6116 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6118 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6119 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6120 * config/darwin-protos.h (darwin_file_start): New.
6121 (darwin_asm_output_dwarf_offset): New.
6122 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6123 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6125 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6126 if not EH section; simplify.
6127 (darwin_file_start): New.
6128 (darwin_asm_output_dwarf_offset): New.
6129 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6131 (DEBUG_INFO_SECTION): Likewise.
6132 (DEBUG_ABBREV_SECTION): Likewise.
6133 (DEBUG_ARANGES_SECTION): Likewise.
6134 (DEBUG_MACINFO_SECTION): Likewise.
6135 (DEBUG_LINE_SECTION): Likewise.
6136 (DEBUG_LOC_SECTION): Likewise.
6137 (DEBUG_PUBNAMES_SECTION): Likewise.
6138 (DEBUG_STR_SECTION): Likewise.
6139 (DEBUG_RANGES_SECTION): Likewise.
6140 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6141 (ASM_OUTPUT_DWARF_OFFSET): New.
6143 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6145 * config.gcc (tm_defines): Always add to previous value rather
6148 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6150 * config/mips/predicates.md (splittable_const_int_operand): New,
6151 split from move_operand.
6152 (splittable_symbolic_operand): New.
6153 (move_operand): Add commentary. Use splittable_const_int_operand.
6154 Inline mips_atomic_symbolic_constant_p.
6155 * config/mips/mips.md: Add combine splitters for handling moves
6156 of splittable_const_int_operands and splittable_symbolic_operands.
6157 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6158 (mips_split_symbol): Declare.
6159 (mips_move_integer): Declare.
6160 * config/mips/mips.c (mips_split_p): Make global.
6161 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6162 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6163 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6164 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6165 (mips_offset_within_object_p): Handle block symbols.
6166 (mips_atomic_symbolic_constant_p): Delete.
6167 (mips_cannot_force_const_mem): Return false for constants that
6168 mips_legitimize_move can handle.
6169 (mips_use_blocks_for_constant_p): New function.
6170 (mips_split_symbol): Make global.
6171 (mips_move_integer): Likewise. Add a temporary register argument.
6172 (mips_legitimize_const_move): Use splittable_const_int_operand and
6173 splittable_symbolic_operand.
6174 (mips_use_anchors_for_symbol_p): New function.
6175 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6176 (mips_split_p): Declare.
6178 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6180 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6181 (mips*-*-linux*): Likewise.
6183 2006-03-16 Roger Sayle <roger@eyesopen.com>
6184 Daniel Speyer <dspeyer@wam.umd.edu>
6187 * tree-dump.c (dump_real): New function.
6188 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6189 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6190 (tree-dump.o): Add $(REAL_H) to the dependencies.
6192 2006-03-16 Roger Sayle <roger@eyesopen.com>
6195 * real.c (real_from_string): If the mantissa is zero, don't bother
6196 parsing the exponent as the result should always be zero.
6198 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6200 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6202 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6204 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6205 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6206 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6207 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6208 ia64_sched_finish_global): New static functions to implement
6209 hooks from gcc_target.sched.
6210 (spec_check_no, max_uid, pending_data_specs): New static variables.
6211 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6212 ia64_spec_check_src_p): New static functions.
6213 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6214 (TARGET_SCHED_ADJUST_COST): Removed.
6215 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6216 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6217 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6218 TARGET_SCHED_GEN_CHECK,
6219 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6220 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6221 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6222 Fixed to handle speculation checks.
6223 (rtx_needs_barrier): Fixed to handle speculative loads and
6225 (ia64_variable_issue): Added code to count speculative loads and their
6227 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6229 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6231 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6233 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6234 (ia64_reorg): Reset stops_p to NULL after it is freed.
6235 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6236 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6237 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6239 (data_speculative, control_speculative, check_load): New attributes.
6240 (mov<mode>_advanced, mov<mode>_speculative,
6241 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6242 zero_extend<mode>di2_speculative,
6243 zero_extend<mode>di2_speculative_advanced): New patterns for
6244 data and control speculative loads.
6245 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6247 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6248 New pattern for data and control speculation checks.
6249 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6250 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6251 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6252 Auxiliary definitions for the patterns.
6253 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6254 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6256 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6258 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6259 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6260 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6261 New resource constraints.
6262 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6264 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6265 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6266 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6267 msched-in-control-spec, msched-ldc, msched-control-ldc,
6268 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6269 msched-prefer-non-control-spec-insns,
6270 msched-count-spec-in-critical-path): New flags to tune speculative
6272 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6273 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6274 msched-in-control-spec, msched-ldc, msched-control-ldc,
6275 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6276 msched-prefer-non-control-spec-insns,
6277 msched-count-spec-in-critical-path): Document new flags.
6279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6281 * target.h (struct spec_info_def): New opaque declaration.
6282 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6283 speculate_insn, needs_block_p, gen_check,
6284 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6285 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6286 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6287 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6288 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6289 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6291 (TARGET_SCHED): Use new macros.
6292 * rtl.h (copy_DEPS_LIST_list): New prototype.
6293 * sched-int.h (struct sched_info): Change signature of new_ready field,
6294 adjust all initializations. New fields: add_remove_insn,
6295 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6296 region_head_or_leaf_p.
6297 (struct spec_info_def): New structure declaration.
6298 (spec_info_t): New typedef.
6299 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6300 recovery_block, orig_pat.
6301 (glat_start, glat_end): New variables declaraions.
6302 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6304 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6305 DETACH_LIFE_INFO, USE_GLAT.
6306 (enum SPEC_SCHED_FLAGS): New enumeration.
6307 (NOTE_NOTE_BB_P): New macro.
6308 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6309 attach_life_info, debug_spec_status, check_reg_live): New functions.
6310 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6311 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6313 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6314 * ddg.c (get_block_head_tail): Adjust all uses.
6315 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6316 (sms_sched_info): Initialize new fields.
6317 (contributes_to_priority): Removed.
6318 * haifa-sched.c (params.h): New include.
6319 (get_block_head_tail): Adjust all uses.
6320 (ISSUE_POINTS): New macro.
6321 (glat_start, glat_end): New global variables.
6322 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6323 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6324 old_last_basic_block, before_recovery, current_sched_info_var,
6325 rgn_n_insns, luid): New static variables.
6326 (insn_cost1): New function. Move logic from insn_cost to here.
6327 (find_insn_reg_weight1): New function. Move logic from
6328 find_insn_reg_weight to here.
6329 (reemit_notes, move_insn, max_issue): Change signature.
6330 (move_insn1): Removed.
6331 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6332 extend_bb): New static functions to support extension of scheduler's
6334 (generate_recovery_code, process_insn_depend_be_in_spec,
6335 begin_speculative_block, add_to_speculative_block,
6336 init_before_recovery, create_recovery_block, create_check_block_twin,
6337 fix_recovery_deps): New static functions to support
6338 generation of recovery code.
6339 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6340 restore_bb_notes, move_block_after_check, move_succs): New static
6341 functions to support ebb scheduling.
6342 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6343 functions to support handling of register live information.
6344 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6345 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6346 add_jump_dependencies): New static functions.
6347 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6348 consistancy checking.
6349 (debug_spec_status): New function to call from debugger.
6350 (priority): Added code to handle speculation checks.
6351 (rank_for_schedule): Added code to distinguish speculative instructions.
6352 (schedule_insn): Added code to handle speculation checks.
6353 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6354 Fixed to handle ebbs.
6355 (move_insn): Added code to handle ebb scheduling.
6356 (max_issue): Added code to use ISSUE_POINTS of instructions.
6357 (choose_ready): Added code to choose between speculative and
6358 non-speculative instructions.
6359 (schedule_block): Added code to handle ebb scheduling and scheduling of
6360 speculative instructions.
6361 (sched_init): Initialize new variables.
6362 (sched_finish): Free new variables. Print statistics.
6363 (try_ready): Added code to handle speculative instructions.
6364 * lists.c (copy_DEPS_LIST_list): New function.
6365 * sched-deps.c (extend_dependency_caches): New function. Move logic
6366 from create_dependency_caches to here.
6367 (get_dep_weak, ds_merge): Make global.
6368 * genattr.c (main): Code to output prototype for
6369 dfa_clear_single_insn_cache.
6370 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6371 (output_dfa_clean_insn_cache_func): Code to output
6372 dfa_clear_single_insn_cache function.
6373 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6375 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6377 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6378 New static variables.
6379 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6380 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6382 (ebb_sched_info): Initialize new fields.
6383 (get_block_head_tail): Adjust all uses.
6384 (compute_jump_reg_dependencies): Fixed to use glat_start.
6385 (schedule_ebb): Code to remove unreachable last block.
6386 (schedule_ebbs): Added code to update register live information.
6387 * sched-rgn.c (region_sched_info): Initialize new fields.
6388 (get_block_head_tail): Adjust all uses.
6389 (last_was_jump): Removed. Adjust users.
6390 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6391 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6392 Implement new hooks.
6393 (check_dead_notes1): New static function.
6394 (struct region): New fields: dont_calc_deps, has_real_ebb.
6395 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6396 (BB_TO_BLOCK): Fixed to handle EBBs.
6397 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6398 (ebb_head): New static variable.
6399 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6400 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6402 (compute_dom_prob_ps): New assertion.
6403 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6404 global_live_at_start.
6405 (init_ready_list): New assertions.
6406 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6407 (new_ready): Add support for BEGIN_CONTROL speculation.
6408 (schedule_insns): Fixed code that updates register live information
6410 (schedule_region): Fixed to handle EBBs.
6411 (init_regions): Use extend_regions and check_dead_notes1.
6412 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6413 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6414 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6415 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6416 TARGET_SCHED_GEN_CHECK,
6417 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6418 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6419 * doc/invoke.texi (max-sched-insn-conflict-delay,
6420 sched-spec-prob-cutoff): Document.
6422 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6424 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6425 inter_tick, queue_index.
6426 (struct sched_info): Change signature of init_ready_list field.
6427 Adjust all initializations.
6428 (RESOLVED_DEPS): New access macro.
6429 (ready_add): Remove prototype.
6430 (try_ready): Add prototype.
6431 * sched-rgn.c (init_ready_list): Use try_ready.
6432 (schedule_region): Initialize
6433 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6434 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6435 (init_ready_list): Use try_ready.
6436 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6437 * lists.c (remove_list_elem): Remove `static'.
6438 (remove_free_INSN_LIST_elem): New function.
6439 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6440 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6441 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6443 (readyp): New variable.
6444 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6445 change_queue_index, resolve_dep): New static functions.
6446 (try_ready): New function. Adjust callers in sched-rgn.c and
6447 sched-ebb.c to use it instead of ready_add.
6448 (clock_var): Move at the begining of file.
6449 (rank_for_schedule): Fix typo.
6450 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6451 (ready_lastpos): Enforce assertion.
6452 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6454 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6455 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6456 (queue_to_ready): Use free_INSN_LIST_list.
6457 (early_queue_to_ready): Fix typo.
6458 (schedule_block): Init readyp. Move init_ready_list call after the
6459 initialization of clock_var. Fix error in rejecting insn by
6460 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6461 that previously corrected INSN_TICKs. Add code for handling
6463 (set_priorities): Fix typo.
6464 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6465 Clarify comment and code that keeps current_sched_info->next_tail
6468 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6470 * sched-rgn.c (extend_rgns): New static function.
6471 (find_rgns): Use it.
6472 (gather_region_statistics, print_region_statistics): New static
6474 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6475 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6477 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6478 Andrey Belevantsev <abel@ispras.ru>
6480 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6481 * lists.c (unused_deps_list): New variable.
6482 (free_list): Add assertions to verify the proper distinguishing
6483 between INSN_LISTs and DEPS_LISTs.
6484 (find_list_elem, remove_list_elem, remove_list_node): New static
6486 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6487 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6488 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6489 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6491 (free_INSN_LIST_node): Likewise.
6492 * modulo-sched.c (current_sched_info): Initialize flags field.
6493 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6494 * rtl.def (DEPS_LIST): Define.
6495 * rtl.h: Declare new functions from lists.c.
6496 * sched-deps.c (spec_dependency_cache): New static variable.
6497 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6498 (add_dependence): Change return type to void. Move the logic to ...
6499 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6500 (delete_all_dependences): Add comment about forward_dependency_cache.
6501 Handle spec_dependency_cache. Handle DEPS_LISTs.
6502 (fixup_sched_groups): Clarify the change of priority of output
6503 and anti dependencies.
6504 (sched_analyze_2): Adjust add_dependence calls to create data
6505 speculative dependence.
6506 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6507 Adjust all callers. Handle DEPS_LISTS.
6508 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6509 presence of speculation.
6510 (init_dependency_caches, free_dependency_caches):
6511 Handle spec_dependency_cache.
6512 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6513 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6514 New static functions.
6515 (add_or_update_back_dep, add_or_update_back_forw_dep,
6516 add_back_forw_dep, delete_back_forw_dep): New functions.
6517 * sched-int.h (ds_t, dw_t): New typedefs.
6518 (struct sched_info): Add new field flags.
6519 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6520 Prototype new sched-deps.c functions.
6521 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6522 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6523 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6524 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6525 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6526 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6528 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6530 * sched-rgn.c (current_sched_info): Initialize flags field.
6531 (schedule_insns): Initialize current_sched_info before the sched_init
6533 * sched-ebb.c (current_sched_info): Initialize flags field.
6534 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6535 Call add_or_update_back_dep instead of add_dependence.
6536 Create control speculative dependencies.
6537 (schedule_insns): Initialize current_sched_info before the sched_init
6540 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6542 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6544 (sh_fallback_frame_state): Likewise.
6546 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6548 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6549 Do switch on default_use_cxa_atexit.
6550 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6551 * config/darwin-crt3.o: New.
6552 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6553 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6554 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6556 * config/rs6000/t-darwin: Move crt2.o building to here.
6557 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6558 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6561 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6563 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6564 from '! xxx' to '!xxx' for coding-style conformance.
6565 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6566 (EXTRA_CONSTRAINT): Likewise.
6567 * config/vax/vax.md (four unnamed insns): Likewise.
6569 2006-03-15 Paul Brook <paul@codesourcery.com>
6571 * config/arm/arm.c (minipool_pad): New.
6572 (add_minipool_forward_ref): Include pool alignment padding in address
6574 (push_minipool_fix): Set minipool_pad.
6575 (minipool_pad): Ditto.
6577 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6579 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6580 instead of GET_CODE() == MEM and REG_P() instead of
6582 (print_operand_address): Likewise.
6583 (vax_address_cost): Likewise.
6584 (vax_rtx_costs): Likewise.
6585 (vax_notice_update_cc): Likewise.
6586 (vax_output_int_add): Likewise.
6587 (INDEX_REGISTER_P): Likewise.
6588 (BASE_REGISTER_P): Likewise.
6589 (nonindexed_address_p): Likewise.
6590 (vax_mode_dependent_address_p): Likewise.
6591 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6592 (PRINT_OPERAND): Likewise.
6593 * config/vax/vax.md (ashlsi3): Likewise.
6594 (ashlsi3): Likewise.
6595 (some more unnamed insns): Likewise.
6597 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6599 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6600 iterator-style macro.
6601 (mark_control_dependent_edges_necessary): Update the use of
6602 EXECUTE_IF_CONTROL_DEPENDENT.
6604 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6606 * config/sh/predicates.md (cache_address_operand): Special.
6607 (ua_address_operand): Likewise.
6609 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6611 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6613 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6615 2006-03-15 Andreas Schwab <schwab@suse.de>
6617 * gensupport.c (identify_predicable_attribute): Don't free p_false
6618 when it is still in use.
6620 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6622 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6623 the default setting here.
6625 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6627 * tree-pass.h (pass_cfg): Remove.
6628 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6629 * passes.c (pass_cfg): Don't run it.
6631 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6633 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6634 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6636 (stack_regs_mentioned): Update the uses of
6637 stack_regs_mentioned_data. Don't access the array beyond its
6639 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6640 Don't include gt-reg-stack.h.
6642 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6643 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6645 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6648 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6651 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6653 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6655 2006-03-14 Richard Guenther <rguenther@suse.de>
6657 PR tree-optimization/26672
6658 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6661 2006-03-14 Richard Guenther <rguenther@suse.de>
6663 PR tree-optimization/26667
6664 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6665 node for the callees. Always allow inlining if it will shrink
6668 2006-03-14 Richard Guenther <rguenther@suse.de>
6671 * builtins.c (get_pointer_alignment): Prefer alignment
6672 information from decls over that from types.
6674 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6677 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6679 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6681 * config/rs6000/rs6000.opt (mdlmzb): New option.
6682 (msched-prolog, msched-epilog): Use Var not Mask.
6683 * doc/invoke.texi (-mdlmzb): Document.
6684 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6686 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6687 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6689 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6691 PR rtl-optimization/25739
6692 * bt-load.c (augment_live_range): Free tos pointer.
6694 * gensupport.c (identify_predicable_attribute): Free
6696 * gcov.c (create_file_names): Free name pointer.
6698 2006-03-13 Roger Sayle <roger@eyesopen.com>
6701 * stmt.c (emit_case_nodes): Handle the case where the index is a
6702 CONST_INT, where the comparison mode is specified by the index type.
6704 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6706 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6709 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6711 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6712 (*branch_fp_inverted): Likewise.
6714 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6717 * omp-low.c (expand_omp_for_generic): Mark istart0
6718 and iend0 as addressable.
6720 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6722 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6724 2006-03-13 Jeff Law <law@redhat.com>
6726 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6727 virtual operands are interesting.
6728 (vrp_visit_stmt): Corresponding changes.
6730 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6732 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6734 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6735 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6736 * config/bfin/crti.S: Use it instead of __PIC__.
6737 * config/bfin/crtn.S: Likewise.
6739 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6740 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6742 Lose 'G' modifier for call operand.
6743 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6744 recognize 'G' modifier.
6746 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6749 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6750 * stmt.c (expand_case): Likewise.
6752 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6754 PR rtl-optimization/26254
6755 * loop-invariant.c (seq_insns_valid_p): New function.
6756 (move_invariant_reg): Only emit new code if it is valid.
6758 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6760 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6762 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6763 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6764 (commit_one_edge_insertion): Do not look for loop notes.
6766 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6768 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6769 flag_test_coverage out of loop.
6771 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6773 * final.c (shorten_branches): Remove outdated comment, and turn
6774 the if branch that guards it to continue.
6776 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6778 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6779 * cfgloop.h (struct loop): Remove unused fields.
6781 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6783 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6784 (-dL, -fdump-rtl-loop2): Update the dump file names
6786 * doc/invoke.texi: Update dump file names.
6788 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6790 * predict.c (estimate_probability): Remove.
6791 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6792 * basic-block.h (estimate_probability): Remove prototype.
6793 * passes.c (finish_optimization_passes): Dump branch prediction or
6794 profiling heuristics to the .profile tree dump.
6795 (init_optimization_passes): Unqueue pass_branch_prob.
6797 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6799 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6801 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6802 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6804 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6806 * function.h (frame_offset_overflow): Declare.
6807 * function.c (frame_offset_overflow): New function.
6808 (assign_stack_local_1): Call it to detect that the offset overflows.
6809 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6811 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6813 * config/sh/sh.c: Include alloc-pool.h.
6814 (label_ref_list_pool): New alloc pool.
6815 (label_ref_list_t): New type for lists of labels.
6816 (struct pool_node): Make wend a label_ref_list_t.
6817 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6819 (dump_table): Likewise.
6820 (sh_reorg): Set up the alloc pool before using add_constant and
6821 dump_table, and destroy it when finishing.
6823 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6825 * config/mips/mips.c: Remove redundant comment.
6827 2006-03-10 Jason Merrill <jason@redhat.com>
6830 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6831 the target was declared 'register'.
6833 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6835 * genpreds.c (write_insn_constraint_len): Change definition of
6836 insn_constraint_len to return size_t to match the declaration.
6838 2006-03-10 DJ Delorie <dj@redhat.com>
6840 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6842 (m32c_expand_insv): Fix test for an AND mask.
6844 2006-03-10 Richard Guenther <rguenther@suse.de>
6847 * builtins.c (get_pointer_alignment): Handle component
6848 references for field alignment.
6850 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6852 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6853 when building with libgloss.
6854 (sh*elf): Implement --without-fp option.
6855 (sh64-superh-linux*): Don't multilib.
6857 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6859 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6861 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6863 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6864 Set it when one of the replacement functions returned true.
6865 Return TODO_cleanup_cfg if cfgchanged is true.
6866 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6868 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6870 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6871 instead of gen_lowpart.
6873 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6875 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6877 (mips_output_order_conditional_branch): Declare.
6878 * config/mips/mips.h (MIPS_BRANCH): New macro.
6879 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6880 for the comparison. Use gen_condjump.
6881 (mips_output_conditional_branch): Rework interface to take the
6882 asm templates for a direct branch and the inverse of a direct branch.
6883 (mips_output_order_conditional_branch): New function.
6884 (mips_builtin_branch_and_move): New function.
6885 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6886 branch condition. Use gen_single_cc as the condition for
6887 __builtin_mips_upper_* or __builtin_mips_lower_*.
6888 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6889 Use VOIDmode for the branch condition.
6890 * config/mips/predicates.md (order_operator): New predicate.
6891 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6892 (branch_fp): Rename to...
6893 (*branch_fp): ...this. Remove mode from comparison operator.
6894 Use new mips_output_conditional_branch interface.
6895 (branch_fp_inverted): Rename to...
6896 (*branch_fp_inverted): ...this and update as for *branch_fp.
6897 (*branch_zero<mode>): Rename to...
6898 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6899 Use mips_output_order_conditional_branch. Only accept ordered
6901 (*branch_zero<mode>_inverted): Rename to...
6902 (*branch_order<mode>_inverted): ...this and update as for
6903 *branch_order<mode>.
6904 (*branch_equality<mode>): Accept zero as the second operand to
6905 the equality operator. Use the new mips_output_conditional_branch
6907 (*branch_equality<mode>_inverted): Likewise.
6908 (condjump): New expander.
6909 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6911 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6912 (bc1any2t, bc1any2f): Likewise.
6913 (single_cc): New expander.
6914 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6916 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6918 * doc/md.texi: Update documentation of MIPS constraints.
6919 * config/mips/constraints.md: New file.
6920 * config/mips/mips.md: Include it.
6921 * config/mips/mips.c (mips_char_to_class): Delete.
6922 (override_options): Don't initialize mips_char_to_class.
6923 * config/mips/mips.h (mips_char_to_class): Delete.
6924 (REG_CLASS_FROM_LETTER): Delete.
6925 (CONST_OK_FOR_LETTER_P): Delete.
6926 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6927 (EXTRA_CONSTRAINT_Y): Delete.
6928 (EXTRA_CONSTRAINT_STR): Delete.
6929 (CONSTRAINT_LEN): Delete.
6930 (EXTRA_MEMORY_CONSTRAINT): Delete.
6932 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6934 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6935 original fn's eh regions.
6937 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6939 * fold-const.c (build_range_check): Make sure to use a valid type to
6940 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6943 (range_predecessor): New static function.
6944 (range_successor): Likewise.
6945 (merge_ranges): Use them to compute predecessors and successors of
6948 2006-03-09 Roger Sayle <roger@eyesopen.com>
6951 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6952 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6954 2006-03-08 DJ Delorie <dj@redhat.com>
6956 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6957 (addpsi3): Expand to include memory operands. Remove
6958 reload-specific splits.
6959 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6960 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6961 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6962 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6963 (shift1_qi, shift1_hi, insv): New.
6964 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6965 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6966 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6968 * config/m32c/m32c-protos.h: Update as needed.
6969 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6970 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6971 Fail for unrecognized R* constraints.
6972 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6973 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6974 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6976 (m32c_init_libfuncs): New.
6977 (m32c_legitimate_address_p): Add debug wrapper.
6978 (m32c_rtx_costs): New.
6979 (m32c_address_cost): New.
6980 (conversions): Add 'B' prefix.
6981 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6982 operands, or word regnames for QI operands. 'B' prints bit
6984 (m32c_expand_setmemhi): New.
6985 (m32c_expand_movmemhi): New.
6986 (m32c_expand_movstr): New.
6987 (m32c_expand_cmpstr): New.
6988 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6989 (m32c_expand_neg_mulpsi3): Handle non-ints.
6990 (m32c_cmp_flg_0): New.
6991 (m32c_expand_movcc): New.
6992 (m32c_expand_insv): New.
6993 (m32c_scc_pattern): New.
6994 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6995 a0/a1 out of SIregs.
6996 (STORE_FLAG_VALUE): New.
6997 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7000 * config/m32c/mov.md: Make constraints more liberal.
7001 (zero_extendqihi2): Optimize r0/r1 case.
7002 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7003 * config/m32c/predicates.md (m32c_any_operand): New.
7004 (m32c_nonimmediate_operand): New.
7005 (m32c_hl_operand): New.
7006 (m32c_r3_operand): New.
7009 (memsym_operand): New.
7010 (memimmed_operand): New.
7011 (a_qi_operand): New.
7012 (m32c_eqne_operator): New.
7013 (m32c_1bit8_operand): New.
7014 (m32c_1bit16_operand): New.
7015 (m32c_1mask8_operand): New.
7016 (m32c_1mask16_operand): New.
7017 * config/m32c/blkmov.md: New file.
7018 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7020 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7022 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7023 unsigned to fix signed/unsigned comparison issue in
7024 DWARF2_FRAME_REG_OUT.
7025 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7026 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7028 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7029 of ptr into the ENABLE_CHECKING section.
7031 2006-03-08 Jeff Law <law@redhat.com>
7033 * tree-vrp.c (infer_value_range): Only count pointer uses
7034 and dereferences if -fdelete-null-pointer-checks is enabled.
7036 * tree-vrp.c (find_assert_locations): Infer value ranges for
7037 single use pointers, but do not create ASSERT_EXPRs for them.
7038 When a non-null range is inferred for a pointer, backwards
7039 propagate that range to other equivalent pointers through the
7042 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7045 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7046 language hook targets.
7047 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7048 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7049 if language hook targets were missing.
7051 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7053 * tree-ssa-opfinalize.h: Removed.
7054 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7056 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7057 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7058 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7059 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7060 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7061 finalize_ssa_v_must_def_ops): New.
7063 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7065 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7068 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7070 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7072 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7073 addresses with offsets; reorganize.
7075 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7076 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7077 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7079 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7082 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7084 2006-03-08 Ben Elliston <bje@au.ibm.com>
7086 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7088 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7091 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7094 2006-03-07 Richard Guenther <rguenther@suse.de>
7096 PR tree-optimization/26587
7097 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7099 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7101 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7103 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7105 * hooks.c (hook_bool_mode_rtx_true): New function.
7106 * hooks.h (hook_bool_mode_rtx_true): Declare.
7107 * toplev.c (compile_file): Call output_shared_constant_pool.
7108 * varasm.c (shared_constant_pool): New variable.
7109 (assemble_start_function, assemble_end_function): Remove arguments
7110 from call to output_constant_pool.
7111 (create_constant_pool): New function, split out from...
7112 (init_varasm_status): ...here.
7113 (force_const_mem): Choose between the shared and per-function constant
7114 pools. Set current_function_uses_const_pool when reusing old entries
7115 as well as when creating new ones.
7116 (mark_constant): Ignore data argument.
7117 (mark_constants): Remove pool argument.
7118 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7119 to decide whether the function uses a constant pool.
7120 (output_constant_pool_contents): New function, split out from...
7121 (output_constant_pool): ...here.
7122 (output_shared_constant_pool): New function.
7123 (init_varasm_once): Initialize shared_constant_pool.
7124 * output.h (output_constant_pool): Delete.
7125 (output_shared_constant_pool): Declare.
7126 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7127 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7129 2006-03-06 Nick Clifton <nickc@redhat.com>
7131 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7132 flag_strength_reduce.
7134 2006-03-06 Ben Elliston <bje@au.ibm.com>
7136 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7137 x86_64-*-linux* configurations.
7139 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7140 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7142 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7144 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7146 * basic-block.h: Remove the extern for
7147 rediscover_loops_after_threading.
7149 * cfgloop.c (cancel_loop): Make it static.
7150 * cfgloop.h: Remove the prototype for cancel_loop.
7152 * flow.c (recompute_reg_usage): Make it static.
7153 * rtl.h: Remove the prototype for recompute_reg_usage.
7155 * function.c (use_return_register): Make it static.
7156 * function.h: Remove the prototype.
7158 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7160 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7162 * recog.h: Remove the prototype for
7163 validate_change_maybe_volatile.
7165 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7167 * rtlanal.c (replace_reg): Remove.
7168 * rtl.h: Remove the prototype for replace_reg.
7170 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7172 * regclass.c (reg_scan_update): Remove.
7173 (reg_scan_mark_refs): Remove the last argument.
7174 * rtl.h: Remove the prototype for reg_scan_update.
7176 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7178 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7179 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7180 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7181 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7182 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7183 loop-invariant.c, omp-low.c, opts.c, passes.c,
7184 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7185 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7186 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7187 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7188 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7189 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7191 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7193 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7194 * dwarf2out.h: Remove the prototype for
7195 dwarf2out_add_library_unit_info.
7197 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7199 * tree.c (add_var_to_bind_expr): Remove.
7200 * tree.h: Remove the prototype for add_var_to_bind_expr.
7202 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7204 * regclass.c (n_non_fixed_regs): Remove.
7205 (init_reg_sets_1, globalize_reg): Remove all uses of
7207 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7209 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7211 * rtlanal.c (insns_safe_to_move_p): Remove.
7212 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7214 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7216 * expmed.c (expand_mult_add): Remove.
7217 * expr.h: Remove the prototype for expand_mult_add.
7219 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7221 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7222 and REG_SAVED_VAL_EXP constants.
7223 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7224 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7225 Handle regs stored by value.
7226 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7227 (execute_cfa_program): Handle DW_CFA_val_offset,
7228 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7229 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7230 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7231 (uw_install_context_1): Handle target regs stored by value.
7233 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7235 * tree-sra.c (tree_sra): Return todoflags;
7236 (generate_one_element): Set TODO_update_smt_usage if needed.
7237 (pass_sra): Remove TODO_update_smt_usage.
7238 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7240 (tree_ssa_forward_propagate_single_use_vars): Return
7241 TODO_update_smt_usage if we need to update SMT usage.
7242 (pass_forwprop): Remove TODO_update_smt_usage.
7244 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7246 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7247 (correct_use_link): Remove reference to get_stmt_operands.
7248 (update_stmt_operands): Likewise.
7249 (get_modify_expr_operands): New function factored out of
7250 parse_ssa_operands and get_expr_operands.
7251 Try to create V_MUST_DEFs for LHS by default.
7252 (get_expr_operands) <case MODIFY_EXPR>: Call
7253 get_modify_expr_operands.
7254 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7255 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7256 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7257 get_modify_expr_operands.
7259 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7261 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7262 * tree-flow.h: Remove the prototype for
7263 referenced_var_lookup_if_exists.
7265 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7267 PR rtl-optimization/26345
7269 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7271 2006-03-03 Roger Sayle <roger@eyesopen.com>
7273 PR tree-optimization/26524
7274 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7275 fold_convert to create a constant of the appropriate type.
7277 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7279 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7280 SYMBOL_REF_IN_BLOCK_P.
7281 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7282 of SYMBOL_FLAG_IN_BLOCK.
7283 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7284 instead of SYMBOL_REF_IN_BLOCK_P.
7285 * explow.c (use_anchored_address): Likewise.
7286 * rtl.c (rtx_size): Likewise.
7287 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7288 instead of SYMBOL_FLAG_IN_BLOCK.
7289 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7290 SYMBOL_REF_IN_BLOCK_P.
7291 (assemble_variable): Likewise.
7292 (output_constant_def_contents): Likewise.
7293 (output_constant_pool): Likewise.
7294 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7295 instead of SYMBOL_FLAG_IN_BLOCK.
7296 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7297 SYMBOL_REF_IN_BLOCK_P.
7298 (SYMBOL_REF_BLOCK): Likewise.
7299 (SYMBOL_REF_OFFSET): Likewise.
7300 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7301 SYMBOL_REF_IN_BLOCK_P.
7302 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7303 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7304 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7305 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7307 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7309 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7311 2006-03-02 Roger Sayle <roger@eyesopen.com>
7313 * simplify-rtx.c (simplify_unary_operation): When simplifying
7314 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7315 that we perform the right shift in the appropriate mode, and
7316 then extend or truncate the result to requested mode.
7318 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7320 * gengtype.c (main): Handle double_int type.
7321 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7322 * double-int.c: New file.
7323 * double-int.h: New file.
7324 * system.h: Include doubleint.h.
7325 * Makefile.in (SYSTEM_H): Include double-int.h.
7326 (double-int.o): Add.
7328 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7331 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7334 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7336 * tree-vrp.c (remove_range_assertions): Do not update statements
7339 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7341 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7343 * gcse.c (rest_of_handle_gcse): Ditto.
7344 * except.c (gate_handle_eh): Ditto.
7345 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7346 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7348 2006-03-02 Eric Christopher <echristo@apple.com>
7350 * config/i386/i386.c (machopic_output_stub): Add indirection to
7353 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7357 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7359 Sun Niagara specific optimizations.
7360 * config.gcc: Recognize niagara as target.
7361 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7362 (TARGET_CPU_niagara): Define.
7363 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7364 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7365 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7366 (ASM_CPU_SPEC): Likewise.
7367 (PROCESSOR_NIAGARA): New enum entry.
7368 (REGISTER_MOVE_COST): Handle Niagara.
7369 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7370 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7371 (sparc_override_options): Recognize "niagara", set appropriate
7372 default MASK_* values for it, and align functions to 32-bytes
7373 by default just like ULTRASPARC/ULTRASPARC3.
7374 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7375 (sparc64_initialize_trampoline): Likewise.
7376 (sparc_use_sched_lookahead): Use zero for niagara.
7377 (sparc_issue_rate): Use one for niagara.
7378 * config/sparc/niagara.md: New file.
7379 * config/sparc/sparc.md: Include it.
7380 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7381 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7382 when default cpu is niagara.
7383 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7384 (ASM_CPU_SPEC): Likewise.
7385 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7386 when default cpu is niagara.
7387 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7388 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7389 just like v9/ultrasparc/ultrasparc3.
7390 * doc/invoke.texi: Add documentation for "niagara" and improve
7391 existing documentation for ultrasparc variants.
7393 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7395 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7397 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7399 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7400 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7401 and say that only one is needed.
7402 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7403 * target.h (have_switchable_bss_sections): New hook.
7404 * explow.c (use_anchored_address): Check that the symbol is in a block.
7405 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7406 (bss_noswitch_section): New variables.
7407 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7408 (get_noswitch_section): New function.
7409 (get_block_for_section): Allow SECT to be null.
7410 (unlikely_text_section_p): Use SECTION_STYLE.
7411 (bss_initializer_p): New function.
7412 (get_variable_section): Move earlier in file. Take a new argument,
7413 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7414 Return one of the new *_sections in such cases.
7415 (get_block_for_decl): New function, extracting some logic from
7416 use_blocks_for_decl_p.
7417 (change_symbol_section): Remove in favor of...
7418 (change_symbol_block): ...this new function.
7419 (use_blocks_for_decl_p): Remove checks now performed by
7421 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7422 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7423 (emit_local, emit_bss, emit_common): ...these new functions.
7424 Return true if the alignment was honored.
7425 (emit_tls_common): New function.
7426 (asm_emit_uninitialised): Delete.
7427 (assemble_variable_noswitch): New function, split out from...
7428 (assemble_variable): ...here. Don't make decisions about common
7429 variables here. Globalize all public decls that go into non-common
7430 sections. Check whether SYMBOL_REF_BLOCK is null.
7431 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7432 (output_constant_pool): Likewise.
7433 (init_varasm_once): Initialize the new section variables.
7434 (have_global_bss_p): New function.
7435 (categorize_decl_for_section): Use bss_initializer_p.
7436 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7437 (place_block_symbol): Assert that the symbol must be in a block.
7438 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7439 (TARGET_INITIALIZER): Include it.
7440 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7441 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7442 (SECTION_MACH_DEP): Bump by two.
7443 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7444 (unnamed_section): Mention SECTION_UNNAMED in comment.
7445 (named_section): Likewise SECTION_NAMED.
7446 (noswitch_section_callback): New type.
7447 (noswitch_section): New structure.
7448 (section): Add a noswitch_section alternative.
7449 (SECTION_STYLE): New macro.
7450 (tls_comm_section, comm_section, lcomm_section): Declare.
7451 (bss_noswitch_section, have_global_bss_p): Declare.
7452 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7453 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7455 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7456 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7459 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7461 * tree-vrp.c (execute_vrp): Return value.
7462 * regrename.c (rest_of_handle_regrename): Ditto.
7463 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7464 * tree-complex.c (tree_lower_complex): Ditto.
7465 (tree_lower_complex_O0): Ditto.
7466 * tracer.c (rest_of_handle_tracer): Ditto.
7467 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7468 * postreload.c (rest_of_handle_postreload): Ditto.
7469 * tree-tailcall.c (execute_tail_recursion): Ditto.
7470 (execute_tail_calls): Ditto.
7471 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7472 * tree.h (init_function_for_compilation): Ditto.
7473 * ipa-cp.c (ipcp_driver): Ditto.
7474 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7475 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7476 * final.c (compute_alignments): Ditto.
7477 (rest_of_handle_final): Ditto.
7478 (rest_of_handle_shorten_branches): Ditto.
7479 (rest_of_clean_state): Ditto.
7480 * omp-low.c (execute_expand_omp): Ditto.
7481 (execute_lower_omp): Ditto.
7482 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7483 * ipa-reference.c (static_execute): Ditto.
7484 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7485 * reorg.c (rest_of_handle_delay_slots): Ditto.
7486 (rest_of_handle_machine_reorg): Ditto.
7487 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7488 * flow.c (recompute_reg_usage): Ditto.
7489 (rest_of_handle_remove_death_notes): Ditto.
7490 (rest_of_handle_life): Ditto.
7491 (rest_of_handle_flow2): Ditto.
7492 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7493 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7494 (do_ssa_store_ccp): Ditto.
7495 (execute_fold_all_builtins): Ditto.
7496 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7497 * modulo-sched.c (rest_of_handle_sms): Ditto.
7498 * ipa-pure-const.c (static_execute): Ditto.
7499 * cse.c (rest_of_handle_cse): Ditto.
7500 (rest_of_handle_cse2): Ditto.
7501 * web.c (rest_of_handle_web): Ditto.
7502 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7503 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7504 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7505 * tree-nrv.c (tree_nrv): Ditto.
7506 (execute_return_slot_opt): Ditto.
7507 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7508 (create_structure_vars): Ditto.
7509 * loop-init.c (rtl_loop_init): Ditto.
7510 (rtl_loop_done): Ditto.
7511 (rtl_move_loop_invariants): Ditto.
7512 (rtl_unswitch): Ditto.
7513 (rtl_unroll_and_peel_loops): Ditto.
7514 (rtl_doloop): Ditto.
7515 * gimple-low.c (lower_function_body): Ditto.
7516 (mark_used_blocks): Ditto.
7517 * tree-ssa-sink.c (execute_sink_code): Ditto.
7518 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7519 (cgraph_early_inlining): Ditto.
7520 * global.c (rest_of_handle_global_alloc): Ditto.
7521 * jump.c (cleanup_barriers): Ditto.
7522 (purge_line_number_notes): Ditto.
7523 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7524 (rest_of_handle_if_after_reload): Ditto.
7525 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7526 (tree_ssa_loop_im): Ditto.
7527 (tree_ssa_loop_unswitch): Ditto.
7528 (tree_vectorize): Ditto.
7529 (tree_linear_transform): Ditto.
7530 (tree_ssa_loop_ivcanon): Ditto.
7531 (tree_ssa_empty_loop): Ditto.
7532 (tree_ssa_loop_bounds): Ditto.
7533 (tree_complete_unroll): Ditto.
7534 (tree_ssa_loop_prefetch): Ditto.
7535 (tree_ssa_loop_ivopts): Ditto.
7536 (tree_ssa_loop_done): Ditto.
7537 * predict.c (tree_estimate_probability): Ditto.
7538 * recog.c (split_all_insns_noflow): Ditto.
7539 (rest_of_handle_peephole2): Ditto.
7540 (rest_of_handle_split_all_insns): Ditto.
7541 * tree-eh.c (lower_eh_constructs): Ditto.
7542 * regmove.c (rest_of_handle_regmove): Ditto.
7543 (rest_of_handle_stack_adjustments): Ditto.
7544 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7545 * function.c (instantiate_virtual_regs): Ditto.
7546 (init_function_for_compilation): Ditto.
7547 (rest_of_handle_check_leaf_regs): Ditto.
7548 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7549 (rest_of_handle_gcse): Ditto.
7550 * ipa-type-escape.c (type_escape_execute): Ditto.
7551 * alias.c (rest_of_handle_cfg): Ditto.
7552 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7553 * profile.c (rest_of_handle_branch_prob): Ditto.
7554 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7555 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7556 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7557 * tree-dfa.c (find_referenced_vars): Ditto.
7558 * except.c (set_nothrow_function_flags): Ditto.
7559 (convert_to_eh_region_ranges): Ditto.
7560 (rest_of_handle_eh): Ditto.
7561 * emit-rtl.c (unshare_all_rtl): Ditto.
7562 (remove_unnecessary_notes): Ditto.
7563 * except.h (set_nothrow_function_flags): Ditto.
7564 (convert_to_eh_region_ranges): Ditto.
7565 * cfgexpand.c (tree_expand_cfg): Ditto.
7566 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7567 * tree-ssa-pre.c (do_pre): Ditto.
7568 (execute_fre): Ditto.
7569 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7570 (rest_of_handle_jump2): Ditto.
7571 * tree-sra.c (tree_sra): Ditto.
7572 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7573 (execute_mudflap_function_decls): Ditto.
7574 * tree-ssa-copy.c (do_copy_prop): Ditto.
7575 (do_store_copy_prop): Ditto.
7576 * ipa-prop.h (ipcp_driver): Ditto.
7577 * cfglayout.c (insn_locators_initialize): Ditto.
7578 * tree-ssa-forwprop.c
7579 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7580 * cfglayout.h (insn_locators_initialize): Ditto.
7581 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7582 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7583 (execute_late_warn_uninitialized): Ditto.
7584 * rtl.h (cleanup_barriers): Ditto.
7585 (split_all_insns_noflow): Ditto.
7586 (purge_line_number_notes): Ditto.
7587 (unshare_all_rtl): Ditto.
7588 (remove_unnecessary_notes): Ditto.
7589 (recompute_reg_usage): Ditto.
7590 (variable_tracking_main): Ditto.
7591 * integrate.c (emit_initial_value_sets): Ditto.
7592 * integrate.h (emit_initial_value_sets): Ditto.
7593 * tree-optimize.c (execute_free_datastructures): Ditto
7594 (execute_free_cfg_annotations): Ditto.
7595 (execute_fixup_cfg): Ditto.
7596 (execute_cleanup_cfg_pre_ipa): Ditto.
7597 (execute_cleanup_cfg_post_optimizing): Ditto.
7598 (execute_init_datastructures): Ditto.
7599 * tree-object-size.c (compute_object_sizes): Ditto.
7600 * combine.c (rest_of_handle_combine): Ditto.
7601 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7602 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7603 (rest_of_handle_reorder_blocks): Ditto.
7604 (rest_of_handle_partition_blocks): Ditto.
7605 * var-tracking.c (variable_tracking_main): Ditto.
7606 * tree-profile.c (tree_profiling): Ditto.
7607 * tree-vect-generic.c (expand_vector_operations): Ditto.
7608 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7609 * sched-rgn.c (rest_of_handle_sched): Ditto.
7610 (rest_of_handle_sched2): Ditto.
7611 * basic-block.h (free_bb_insn): Ditto.
7612 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7613 * tree-cfg.c (execute_build_cfg): Ditto.
7614 (remove_useless_stmts): Ditto.
7615 (split_critical_edges): Ditto.
7616 (execute_warn_function_return): Ditto.
7617 (execute_warn_function_noreturn): Ditto.
7618 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7619 * cfgrtl.c (free_bb_for_insn): Ditto.
7620 * passes.c (execute_one_pass): Run additional
7621 todos returned by execute function.
7622 * tree-pass.h (struct tree_opt_pass): Make execute
7625 2006-03-02 Richard Guenther <rguenther@suse.de>
7627 * tree-ssa-alias.c (find_used_portions): Consider taking
7628 the address as making the variable not write-only.
7630 2006-03-02 Nick Clifton <nickc@redhat.com>
7632 * config.gcc (default_use_cxa_atexit): Extend the description of
7633 this configure variable. Set its default value to "yes" for
7634 Linux, NetBSD and ELF targets on the assumption that they will
7635 use C libraries with the __cxa_atexit function.
7637 2006-03-02 Ben Elliston <bje@au.ibm.com>
7639 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7640 parameter as unused to suppress a build warning.
7642 2006-03-02 Ben Elliston <bje@au.ibm.com>
7644 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7647 2006-03-01 Roger Sayle <roger@eyesopen.com>
7650 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7651 declared name, the weak reference name, and the typeof name.
7652 (__gthrw): Avoid expanding the declared name suffix.
7653 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7655 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7657 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7659 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7660 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7661 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7662 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7663 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7664 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7665 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7666 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7667 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7668 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7669 (DW_END_default, DW_END_big, DW_END_little): New.
7670 (DW_END_lo_user, DW_END_hi_user): Define.
7671 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7672 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7673 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7676 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7678 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7680 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7682 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7684 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7686 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7687 to 'symbol_mem_tag'.
7689 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7692 2006-03-01 Roger Sayle <roger@eyesopen.com>
7694 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7696 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7699 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7700 MACHO_DYNAMIC_NO_PIC_P.
7701 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7703 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7706 * config/darwin-protos.h (darwin_asm_output_anchor):
7708 * config/darwin-sections.def (cstring_section):
7709 Add SECTION_MERGE to the flags.
7710 (literal4_section): Likewise.
7711 (literal8_section): Likewise.
7712 (objc_selector_refs_section): Likewise.
7713 (objc_cls_refs_section): Likewise.
7714 * config/darwin.c (darwin_asm_output_anchor): New
7716 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7718 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7720 Fix PR tree-optimization/26443
7721 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7722 to todo and PROP_tmt_usage to properties_destroyed.
7723 * tree-ssa-ccp.c (pass_ccp): Ditto.
7724 (pass_store_ccp): Ditto.
7725 * tree-ssa-dom.c (pass_dominator): Ditto.
7727 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7729 * tree-ssa-operands.c: Cleanup whitespace.
7730 (get_asm_expr_operands): Move before first invocation.
7731 (get_indirect_ref_operands): Likewise.
7732 (get_tmr_operands): Likewise.
7733 (get_call_expr_operands): Likewise.
7734 (append_def): Likewise.
7735 (append_use): Likewise.
7736 (append_v_may_def): Likewise.
7737 (append_v_must_def): Likewise.
7738 (add_call_clobber_ops): Likewise.
7739 (add_call_read_ops): Likewise.
7740 (add_stmt_operand): Likewise.
7741 (add_virtual_operand): Likewise.
7742 (build_ssa_operands): Likewise.
7744 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7749 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7750 with a call expr to ...
7751 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7753 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7755 * tree-vrp.c (extract_range_from_assert): Remove special
7756 handling for types with super-types.
7758 2006-03-01 Ben Elliston <bje@au.ibm.com>
7760 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7761 and powerpc64-*-linux* configurations.
7762 * config/t-dfprules: New file.
7764 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7765 Compile dfp-bit.c from the source directory using -DWIDTH and
7766 $DFP_CFLAGS to control the compilation of that file, rather than
7767 generating width-specific versions in the build directory.
7768 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7769 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7771 2006-02-28 Zack Weinberg <zackw@panix.com>
7773 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7776 2006-02-28 Eric Christopher <echristo@apple.com>
7778 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7779 Set up IN_LIBGCC definition of TARGET_64BIT.
7780 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7782 2006-02-28 Roger Sayle <roger@eyesopen.com>
7785 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7786 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7787 cases via the construction of "expr != 0".
7789 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7791 * alias.c (alias_invariant, alias_invariant_size): Remove.
7792 (record_base_value): Remove.
7793 (memrefs_conflict_p): Don't look at alias_invariant.
7794 (end_alias_analysis): Don't free it.
7795 * alias.h (record_base_value): Remove prototype.
7797 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7798 Adam Nemet <anemet@caviumnetworks.com>
7800 * rtl.h (truncated_to_mode): Declare it.
7801 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7802 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7803 (RTL_HOOKS_INITIALIZER): Include it.
7804 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7805 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7806 reg_truncated_to_mode.
7807 * rtlanal.c (truncated_to_mode): Define it.
7808 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7810 2006-02-28 Jeff Law <law@redhat.com>
7812 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7813 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7814 the range allowed by TYPE_PRECISION.
7816 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7818 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7820 PR tree-optimization/26419
7821 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7824 2006-02-27 Zack Weinberg <zackw@panix.com>
7826 * doc/md.texi: Fix typo in previous change.
7828 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7832 2006-02-27 Zack Weinberg <zackw@panix.com>
7834 * rtl.def (define_constraint, define_register_constraint)
7835 (define_memory_constraint, define_address_constraint): New MD forms.
7836 * gensupport.c (process_rtx): Put define_constraint etc on the
7838 * genpreds.c (process_define_predicate): Adjust comment. Validate
7839 the name, and call validate_exp to validate the expression.
7840 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7841 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7842 all callers changed.
7843 (validate_exp, needs_variable, struct constraint_data)
7844 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7845 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7846 (const_dbl_constraints, constraint_max_namelen)
7847 (have_register_constraints, have_memory_constraints)
7848 (have_address_constraints, have_address_constraints)
7849 (have_extra_constraints, have_const_int_constraints)
7850 (have_const_dbl_constraints, mangle, add_constraint)
7851 (process_define_constraint, process_define_register_constraint)
7852 (write_enum_constraint_num, write_lookup_constraint)
7853 (write_insn_constraint_len, write_regclass_for_constraint)
7854 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7855 (write_insn_extra_memory_constraint)
7856 (write_insn_extra_address_constraint)
7857 (write_satisfies_constraint_fns): New.
7858 (write_tm_preds_h): If we have new-style constraint definitions,
7859 prototype the functions generated from them, and define the
7860 old constraint interface (still used by generic code) in terms of
7862 (write_insn_preds_c): If we have new-style constraint definitions,
7863 generate all relevant functions from those definitions.
7864 (main): Handle define_constraint etc.
7865 * genoutput.c (struct constraint_data, indep_constraints)
7866 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7867 (mdep_constraint_len): New data structures and functions, defined
7868 #ifdef USE_MD_CONSTRAINTS.
7869 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7870 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7871 use new logic to validate operand constraints against constraint
7873 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7875 * defaults.h: If none of the old-style constraint macros are
7876 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7877 old-style macros; and poison REG_CLASS_FROM_LETTER,
7878 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7880 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7881 * doc/md.texi: Document new constraint-definition mechanism and the
7882 C interface it provides. Remove references to old mechanism
7883 elsewhere in the document.
7884 (Machine Constraints): Use pathnames relative to gcc directory,
7885 i.e. config/ARCH/FILE. Change i386 section to refer to
7886 config/i386/predicates.md; update that section to match docstrings.
7887 * doc/tm.texi: Move all documentation of the old constraint-
7888 definition macros to their own section, clearly mark as obsolete.
7890 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7891 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7893 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7894 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7895 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7897 (splits and peepholes): Use satisfies_constraint_*.
7898 * config/i386/i386.c (memory_address_length)
7899 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7901 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7903 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7904 scalar operation to be put back into the loop.
7906 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7909 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7910 (extract_cie_info): Handle S flag in augmentation string.
7911 (execute_cfa_program): If context->signal_frame, execute also
7912 fs->pc == context->ra instructions.
7913 (uw_frame_state_for): If context->signal_frame, don't subtract one
7914 from context->ra to find FDE.
7915 (uw_update_context_1): Set context->signal_frame to
7917 (_Unwind_GetIPInfo): New function.
7918 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7919 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7921 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7922 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7923 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7924 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7925 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7926 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7927 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7928 x86_64_fallback_frame_state): Set fs->signal_frame.
7929 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7930 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7931 (frob_update_context): Likewise. Workaround missing S flag in
7932 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7933 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7934 Remove the psw_addr + 1 hack.
7936 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7938 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7939 with aggregates here.
7940 (find_func_aliases): Remove code for &<aggregate> from here.
7942 2006-02-26 Roger Sayle <roger@eyesopen.com>
7944 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7945 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7946 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7949 2006-02-26 Roger Sayle <roger@eyesopen.com>
7952 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7954 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7956 * opts.c (decode_options): Do not handle flag_strength_reduce.
7957 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7958 and OPT_fstrength_reduce.
7959 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7960 flag_prefetch_loop_arrays for being nonzero.
7961 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7963 (fprefetch-loop-arrays-rtl): Removed.
7964 (flag_prefetch_loop_arrays): Do not specify the value.
7966 * doc/passes.texi: Update documentation of loop optimizer
7968 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7969 -frerun-loop-opt): Remove.
7971 2006-02-26 Richard Guenther <rguenther@suse.de>
7973 PR tree-optimization/26421
7974 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7975 in function calls that are ADDR_EXPRs as using the whole structure.
7977 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7979 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7980 * tree-pass.h (pass_loop_optimize): Remove.
7981 * passes.c (pass_loop_optimize): Never run it.
7982 * toplev.c (backend_init): Don't call init_loop.
7983 * opts.c (flag_loop_optimize_set): Remove.
7984 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7985 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7986 the old RTL loop optimizer when profiling enabled.
7987 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7988 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7989 pre-headers for the sake of the old RTL loop optimizer.
7990 * Makefile.in: Remove all references to loop.o.
7992 * doc/invoke.texi: Remove all references to -floop-optimize
7993 and -frerun-loop-opt.
7995 2006-02-26 Zack Weinberg <zackw@panix.com>
7997 * doc/md.texi (Machine Constraints): Refer to all files with paths
7998 relative to gcc directory (i.e. config/CPU/file). Add missing
7999 @table @code ... @end table to M32C subsection.
8001 2006-02-26 Roger Sayle <roger@eyesopen.com>
8003 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8005 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8007 2006-02-26 Roger Sayle <roger@eyesopen.com>
8008 James A. Morrison <phython@gcc.gnu.org>
8011 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8012 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8013 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8014 signedness of the shift operation.
8016 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8018 PR tree-optimization/26359
8019 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8021 2006-02-25 Roger Sayle <roger@eyesopen.com>
8023 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8024 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8025 as X == 0, and some symmetry related transformations.
8026 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8028 2006-02-25 Roger Sayle <roger@eyesopen.com>
8031 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8032 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8033 symmetry related transformations. Fold (X^C1) == C2 as
8036 2006-02-25 Juergen Weigert <jw@suse.de>
8037 Richard Guenther <rguenther@suse.de>
8039 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8041 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8043 * combine.c (gen_lowpart_or_truncate): Call
8044 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8046 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8048 * doc/invoke.texi: Move -fopenmp description to "Options for
8050 Remove reference to -lgomp.
8052 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8054 * doc/install.texi: Require GNU tar version 1.14.
8056 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8058 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8059 * doc/invoke.texi (C++ Dialect Options): Document
8060 -fno-use-cxa-get-exception-ptr.
8061 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8062 * configure: Regenerate.
8063 * c.opt (fuse-cxa-get-exception-ptr): New.
8064 * c-opts.c (c_common_handle_option): Handle
8065 OPT_fuse_cxa_get_exception_ptr.
8066 * c-common.c (flag_use_cxa_atexit): Update documentation.
8067 (flag_use_cxa_get_exception_ptr): New.
8068 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8069 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8071 (C_COMMON_OVERRIDE_OPTIONS): New.
8073 2006-02-24 Roger Sayle <roger@eyesopen.com>
8076 * combine.c (try_combine): Explicitly check whether GET_CODE is
8077 a SET or a CLOBBER, instead on checking that it isn't a USE.
8079 2006-02-24 Roger Sayle <roger@eyesopen.com>
8081 * fold-const.c (fold_comparison): New subroutine of fold_binary
8082 containing transformations common to both the equality and
8083 ordering relational operators, factored out of fold_binary.
8084 (fold_binary): Separate out the equality operators (EQ_EXPR
8085 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8086 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8087 transformations common to both.
8088 (fold_div_compare): Fix latent bugs in the previously unreachable
8089 LT_EXPR and GE_EXPR cases.
8091 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8093 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8094 decl libname for clog to __clog on AIX.
8096 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8098 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8101 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8102 output traceback table for thunks. Localise rs6000_stack_info call.
8104 2006-02-23 Roger Sayle <roger@eyesopen.com>
8105 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8107 * gthr-posix.h (__gthrw): Fix typo in comment.
8109 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8111 * doc/cpp.texi (Character sets): Document that we do support
8112 input files to be in any character set.
8114 2006-02-23 Jeff Law <law@redhat.com>
8116 * tree.h (PHI_ARG_NONZERO): Remove.
8117 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8118 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8119 node to the new node.
8121 PR tree-optimization/26425
8122 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8123 min/max, then assume its varying.
8125 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8127 PR rtl-optimization/26316
8128 * rtlanal.c (enum may_trap_p_flags): New.
8129 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8130 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8131 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8132 (may_trap_after_code_motion_p): New function.
8133 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8134 (find_invariant_insn): Use may_trap_after_code_motion_p.
8135 * rtl.h (may_trap_after_code_motion_p): Declare.
8137 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8139 * emit-rtl.c (immed_double_const): Cleanup.
8141 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8143 Fix PR tree-optimization/26376
8144 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8147 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8150 * gimplify.c (omp_add_variable): Guard variable size decl test with
8151 DECL_SIZE (decl) check.
8153 2006-02-23 Richard Guenther <rguenther@suse.de>
8156 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8157 like aggregate types.
8159 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8161 * configure.ac: Add --with{,out}-long-double-128 configure option.
8162 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8163 * configure: Rebuilt.
8164 * config.in: Rebuilt.
8165 * doc/install.texi (Options specification): Document
8166 --with-long-double-128.
8168 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8169 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8170 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8171 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8173 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8175 * config/s390/s390.c (override_options): Handle
8176 TARGET_DEFAULT_LONG_DOUBLE_128.
8178 * config/alpha/alpha.c (override_options): Handle
8179 TARGET_DEFAULT_LONG_DOUBLE_128.
8181 * config/sparc/sparc.c (sparc_override_options): Handle
8182 TARGET_DEFAULT_LONG_DOUBLE_128.
8184 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8186 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8187 (real-install-headers-tar, real-install-headers-cpio)
8188 (real-install-headers-cp): New targets.
8190 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8192 * tree.h (variable_section): Delete.
8193 * varasm.c (variable_section): Delete.
8195 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8197 * install.texi: Add notes on install.texi2html.
8198 (Building in parallel): Do not use footnotes.
8200 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8203 * doc/install.texi (Configuration): Document --disable-libgomp.
8205 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8207 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8209 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8211 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8212 (vec_extractv2df_0_sse): New.
8214 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8216 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8217 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8218 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8219 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8220 to the result of the expression.
8221 (def_cfa_1): Adjust.
8222 (frame_pointer_cfa_offset): Rename to...
8223 (frame_pointer_fb_offset): ... this. Adjust all uses.
8224 (convert_cfa_to_loc_list): Rename to...
8225 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8226 Pass it on to build_cfa_loc.
8227 (compute_frame_pointer_to_cfa_displacement): Rename to...
8228 (compute_frame_pointer_to_fb_displacement): ... this. New
8229 offset parameter. Use it in computation.
8230 (gen_subprogram_die): Compute cfa_fb_offset with the new
8231 macro, and use it to compute the fb loc list and the
8234 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8236 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8237 replaced with register_operand.
8238 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8239 non-DREG is expensive.
8240 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8241 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8244 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8246 * doc/install.texi2html: Use set -e.
8248 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8250 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8251 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8252 * doc/invoke.texi (-fshared-data): Delete.
8253 * common.opt (fshared-data): Delete.
8254 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8255 (assemble_static_space): Remove #if 0 code.
8256 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8257 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8258 * config/cris/cris.h: Remove FIXME.
8260 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8262 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8265 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8268 * combine.c (simplify_shift_const_1): Disable nested shifts
8269 optimization for vector shifts.
8271 2006-02-20 Roger Sayle <roger@eyesopen.com>
8273 PR tree-optimization/26361
8274 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8275 of unsigned integer types.
8277 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8279 * tree-chrec.c (eq_evolutions_p): New.
8280 * tree-chrec.h (eq_evolutions_p): Declared.
8281 * tree-data-ref.c: Fix formatting.
8282 (datadep_stats, dependence_stats): New.
8284 (print_direction_vector): New.
8285 (dump_data_dependence_relation): Use print_direction_vector.
8286 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8287 (compute_subscript_distance): Static.
8288 (initialize_data_dependence_relation): Static. Get the number
8289 of loops surrounding the references from the callers, and initialize
8290 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8291 base_object_differ_p analyzers.
8292 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8293 compute_overlap_steps_for_affine_1_2,
8294 analyze_subscript_affine_affine): Count the classified dependences.
8295 Print a message when a test failed.
8296 (can_use_analyze_subscript_affine_affine): New.
8297 (analyze_siv_subscript): Compute the data dependences on symbolic
8298 scevs that verify can_use_analyze_subscript_affine_affine.
8299 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8300 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8301 Handle symbolic scevs.
8302 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8304 (subscript_dependence_tester): Moved...
8305 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8306 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8307 DDR_SIZE_VECT instead of getting it in parameter.
8308 (subscript_dependence_tester): ... here. Take as a parameter
8309 loop_nest_depth. Call build_classic_dist_vector and
8310 build_classic_dir_vector.
8311 (compute_affine_dependence): Update subscript_dependence_tester
8312 parameters. Update datadep_stats counters. Call
8313 compute_subscript_distance.
8314 (compute_self_dependence): Save the dist and dir vectors. Call
8315 compute_subscript_distance.
8316 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8317 (compute_all_dependences): Reorder parameters as they were before
8318 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8319 compute_subscript_distance. Update the use of
8320 compute_affine_dependence and initialize_data_dependence_relation.
8321 (find_data_references_in_loop): Handle COMPONENT_REF.
8322 (compute_data_dependences_for_loop): Initialize dependence_stats.
8323 Don't call build_classic_dist_vector and build_classic_dir_vector.
8324 Update the parameters of initialize_data_dependence_relation and
8325 compute_all_dependences. Print the statistics from datadep_stats.
8326 (analyze_all_data_dependences): Static. Not used until the pass for
8327 checking the data dependences is contributed.
8328 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8329 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8330 (initialize_data_dependence_relation, compute_affine_dependence,
8331 analyze_all_data_dependences, compute_subscript_distance): Removed.
8332 (print_direction_vector): New.
8333 * lambda.h (gcd): ... here.
8334 (lambda_vector_gcd): Moved here from gcd_vector.
8335 * lambda-code.c (gcd, gcd_vector): Removed.
8336 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8337 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8339 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8341 * ipa-type-escape.c: Tidy some comments and white space.
8342 * tree-ssa-operands.c: Likewise.
8344 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8347 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8348 (dump_decl_name): Do not walk the decl tree chains.
8349 * tree-pass.h (TDF_CHAIN): Remove.
8351 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8353 * Makefile.in (C): Remove
8355 (.PHONY): Remove C and PROTO
8357 2006-02-20 Roger Sayle <roger@eyesopen.com>
8360 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8361 deprecated CHAR_TYPE tree code.
8363 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8365 * configure.ac (target_list): Add install-info, dvi, html.
8366 * configure: Regenerate.
8368 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8369 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8370 treelang/Make-lang.in: Do not use double-colon rules.
8372 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8374 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8375 (TMT_USED_ALONE): New macro.
8376 * tree-pass.h (PROP_tmt_usage): New property.
8377 (TODO_update_tmt_usage): New todo.
8378 * tree-ssa-alias.c (updating_used_alone): New variable.
8379 (recalculate_used_alone): New function.
8380 (compute_may_aliases): Set updating_used_alone, call
8381 recalculate_used_alone.
8382 * tree-sra.c (pass_sra): Note that this pass destroys
8383 PROP_tmt_usage, and add TODO_update_tmt_usage.
8384 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8385 * tree-flow.h (updating_used_alone): Prototype.
8386 (recalculate_used_alone): Ditto.
8387 * passes.c (execute_todo): Add code to set updating_used_alone,
8388 and call recalculate.
8389 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8390 for clobber if used alone, and add assert to verify used_alone
8393 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8395 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8396 for non tls symbols added.
8397 (legitimize_address): Do nothing for PLUS expressions if one of the
8398 addends is a tls symbol reference.
8400 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8404 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8406 * Makefile.in (BOOTSTRAPPING): New.
8407 (quickstrap): New definition if BOOTSTRAPPING=yes.
8409 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8410 * configure.ac: Substitute all_selected_languages with the languages
8411 that were configured. For all the other variables except
8412 lang_specs_files, include all the languages in the tree.
8413 * configure: Regenerate.
8415 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8416 if there is one. Run the commands to run fixincludes in the same
8419 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8420 * doc/install.texi: Document exact conventions for searching target tools.
8421 Document --with-build-time-tools. Document toplevel bootstrap. Document
8422 something more about building an Ada cross-compiler. Don't list GNU Make
8423 requirements which affect all platforms.
8425 2006-02-19 Roger Sayle <roger@eyesopen.com>
8428 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8429 only equivalent if the have both the same mode and precision.
8431 2006-02-20 Ben Elliston <bje@au.ibm.com>
8433 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8435 2006-02-19 Roger Sayle <roger@eyesopen.com>
8436 Steven Bosscher <stevenb.gcc@gmail.com>
8438 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8439 constant pool references to identify stack mode constants.
8440 * rtlanal.c (constant_pool_constant_p): New predicate to check
8441 whether operand is a floating point constant in the pool.
8442 * rtl.h (constant_pool_constant_p): Prototype here.
8443 * loop.c (scan_loop): Avoid hoisting constants from the constant
8444 pool on STACK_REGS targets.
8445 (load_mems): Likewise.
8446 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8447 loads into x87 registers expensive in terms of register pressure.
8449 2006-02-19 Roger Sayle <roger@eyesopen.com>
8451 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8452 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8454 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8456 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8457 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8459 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8461 * doc/invoke.texi: Document -fipa-pta.
8462 * common.opt: Add ipa-pta option.
8463 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8464 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8465 (do_ds_constraint): Ditto.
8466 (get_constraint_for): Only add to referenced_vars if
8467 referenced_vars exists.
8468 (insert_into_field_list): Rewrite to do this unsorted.
8469 (insert_into_field_list_sorted): Rename old insert_into_field_list
8471 (create_function_info_for): Use insert_into_field_list_sorted.
8472 (create_variable_info_for): Rewrite so it uses unsorted version,
8473 since the field list is sorted.
8474 (intra_create_variable_infos): Only add to referenced_vars if
8475 referenced_vars exists.
8476 (ipa_pta_execute): Init heapvars, and delete when done.
8477 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8479 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8481 * doc/install.texi: Add missing `@samp'.
8483 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8485 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8488 2006-02-18 Mark Wielaard <mark@klomp.org>
8490 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8491 who added new 4.1 features, bug fixes and integration support.
8493 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8496 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8499 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8501 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8502 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8503 (copy_insn_1): Likewise. Don't copy each field individually.
8505 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8507 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8508 * rtl.c (rtx_size): Rename variable to...
8509 (rtx_code_size): ...this.
8510 (rtx_size): New function.
8511 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8512 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8514 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8515 * rtl.h (rtx_code_size): New variable.
8516 (rtx_size): Change from a variable to a function.
8517 (RTX_SIZE): Rename to...
8518 (RTX_CODE_SIZE): ...this.
8521 PR tree-optimization/17106
8522 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8523 (Anchored Addresses): New section.
8524 * doc/invoke.texi (-fsection-anchors): Document.
8525 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8526 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8527 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8528 * hooks.c (hook_bool_mode_rtx_false): New function.
8529 * hooks.h (hook_bool_mode_rtx_false): Declare.
8530 * gengtype.c (create_optional_field): New function.
8531 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8532 SYMBOL_REF_IN_BLOCK_P is true.
8533 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8534 (min_anchor_offset, max_anchor_offset): Likewise.
8535 (use_anchors_for_symbol_p): New hook.
8536 * toplev.c (compile_file): Call output_object_blocks.
8537 (target_supports_section_anchors_p): New function.
8538 (process_options): Check that -fsection-anchors is only used on
8539 targets that support it and when -funit-at-a-time is in effect.
8540 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8541 if the decl doesn't have one.
8542 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8543 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8544 of force_const_mem through use_anchored_address.
8545 (expand_expr_constant): New function.
8546 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8547 calling expand_expr for INDIRECT_REF.
8548 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8549 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8550 * expr.h (use_anchored_address): Declare.
8551 * loop-unroll.c: Don't declare rtx vectors here.
8552 * explow.c: Include output.h.
8553 (validize_mem): Call use_anchored_address.
8554 (use_anchored_address): New function.
8555 * common.opt (-fsection-anchors): New switch.
8556 * varasm.c (object_block_htab, anchor_labelno): New variables.
8557 (hash_section, object_block_entry_eq, object_block_entry_hash)
8558 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8559 (use_blocks_for_decl_p, change_symbol_section): New functions.
8560 (get_variable_section): New function, split out from assemble_variable.
8561 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8562 use_blocks_for_decl_p say so. Use change_symbol_section if the
8563 symbol has already been created.
8564 (assemble_variable_contents): New function, split out from...
8565 (assemble_variable): ...here. Don't output any code for
8566 block symbols; just pass them to place_block_symbol.
8567 Use get_variable_section and assemble_variable_contents.
8568 (get_constant_alignment, get_constant_section, get_constant_size): New
8569 functions, split from output_constant_def_contents.
8570 (build_constant_desc): Create a block symbol if use_object_blocks_p
8571 says so. Or into SYMBOL_REF_FLAGS.
8572 (assemble_constant_contents): New function, split from...
8573 (output_constant_def_contents): ...here. Don't output any code
8574 for block symbols; just pass them to place_section_symbol.
8575 Use get_constant_section and get_constant_alignment.
8576 (force_const_mem): Create a block symbol if use_object_blocks_p and
8577 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8578 (output_constant_pool_1): Add an explicit alignment argument.
8579 Don't switch sections here.
8580 (output_constant_pool): Adjust call to output_constant_pool_1.
8581 Switch sections here instead. Don't output anything for block symbols;
8582 just pass them to place_block_symbol.
8583 (init_varasm_once): Initialize object_block_htab.
8584 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8585 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8586 (place_block_symbol, get_section_anchor, output_object_block)
8587 (output_object_block_htab, output_object_blocks): New functions.
8588 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8589 (TARGET_ASM_OUT): Include it.
8590 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8591 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8592 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8593 (TARGET_INITIALIZER): Include them.
8594 * rtl.c (rtl_check_failed_block_symbol): New function.
8595 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8596 (block_symbol, object_block): New structures.
8597 (rtx_def): Add a block_symbol field to the union.
8598 (BLOCK_SYMBOL_CHECK): New macro.
8599 (rtl_check_failed_block_symbol): Declare.
8600 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8601 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8602 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8603 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8604 * output.h (output_section_symbols): Declare.
8605 (object_block): Name structure.
8606 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8607 (default_use_anchors_for_symbol_p): Declare.
8608 * Makefile.in (RTL_BASE_H): Add vec.h.
8609 (explow.o): Depend on output.h.
8610 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8611 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8612 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8613 (rs6000_use_blocks_for_constant_p): New function.
8615 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8617 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8619 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8622 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8625 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8627 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8631 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8634 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8635 instead of DECL_REGISTER.
8637 2006-02-18 Olivier Hainque <hainque@adacore.com>
8640 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8642 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8645 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8646 * opth-gen.awk: Handle Var and InverseMask together.
8647 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8648 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8649 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8650 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8652 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8653 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8654 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8655 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8656 LINUX_DYNAMIC_LINKER): Define.
8657 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8658 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8660 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8661 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8662 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8664 (TARGET_C99_FUNCTIONS): Don't define.
8665 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8666 GLIBC_DYNAMIC_LINKER.
8667 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8668 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8669 GLIBC_DYNAMIC_LINKER64): Define.
8670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8671 LINUX_DYNAMIC_LINKER64.
8672 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8674 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8676 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8678 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8679 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8680 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8682 and LINUX_DYNAMIC_LINKER32.
8683 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8685 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8687 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8689 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8690 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8691 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8692 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8693 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8694 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8695 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8696 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8697 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8698 LINUX_DYNAMIC_LINKER): Define.
8699 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8700 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8701 GLIBC_DYNAMIC_LINKER64): Define.
8702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8703 LINUX_DYNAMIC_LINKER64.
8704 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8705 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8706 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8707 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8708 LINUX_DYNAMIC_LINKER): Define.
8709 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8710 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8711 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8712 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8713 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8714 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8715 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8716 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8717 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8718 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8719 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8720 * doc/invoke.texi (-muclibc): Remove caveat about supported
8723 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8725 * doc/cpp.texi (__TIMESTAMP__): Document.
8727 2006-02-17 Roger Sayle <roger@eyesopen.com>
8730 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8731 C is one less than the width of X (and related transformations).
8732 * simplify-rtx.c (simplify_unary_operation_1): Transform
8733 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8734 depending on STORE_FLAG_VALUE, were C is one less then the
8737 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8739 Fix PR tree-optimization/26341
8740 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8741 about NAME_MEMORY_TAG's.
8743 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8746 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8747 with hardware float support, and software float support. Add fcpy
8748 alternative to hardware patterns. Add alternatives to copy between
8749 general and floating-point registers to the 32-bit pattern.
8750 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8751 secondary reload to load a QI or HI mode constant into a floating
8753 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8754 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8756 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8759 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8761 (load_macho_picbase_di): Likewise.
8763 2006-02-16 Jeff Law <law@redhat.com>
8765 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8766 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8767 (ssa_name_nonzero_p): Likewise.
8768 (get_value_range): Return NULL if VRP is not running.
8769 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8770 VRP routines do not discover a range.
8771 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8772 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8773 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8774 (tree_expr_nonnegative_p): Similarly.
8775 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8776 (restore_nonzero_vars_to_original_value): Remove.
8777 (unsafe_associative_fp_binop): Remove.
8778 (tree_ssa_dominator_optimize): Remove initialization and
8779 finalization of nonzero_vars and nonzero_vars_stack.
8780 (dom_opt_initialize_block): No longer push marker on
8782 (dom_opt_finalize_block): No longer call
8783 restore_nonzero_vars_to_original_value.
8784 (record_equivalences_from_phis): No longer look for
8785 nonzero PHI arguments.
8786 (cprop_into_successor_phis): No longer propagate nonzero
8787 property into PHI arguments. Lose unused argument. Caller
8789 (record_equivalences_from_stmt): No longer record nonzero
8790 values for SSA_NAMEs.
8791 (lookup_avail_expr): No longer use nonzero_vars.
8793 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8794 for sizetype when sizetype is unsigned.
8796 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8798 PR rtl-optimization/25603
8799 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8800 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8801 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8802 with new meaning of SETS.
8804 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8809 * config/linux.opt: New file.
8810 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8811 LINUX_DYNAMIC_LINKER): Define.
8812 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8813 * config.gcc (*-*-linux*): Define extra_options.
8814 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8815 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8816 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8817 GLIBC_DYNAMIC_LINKER.
8818 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8819 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8820 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8822 * doc/invoke.texi (GNU/Linux Options): New section.
8824 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8826 * config/sparc/sparc.md (setjmp): Rewrite.
8827 (setjmp_32): Delete.
8828 (setjmp_64): Likewise.
8830 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8832 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8835 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8837 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8840 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8842 PR rtl-optimization/26296
8843 * Makefile.in (loop-invariant.c): Add except.h dependency.
8844 * loop-invariant.c: Include except.h.
8845 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8847 2005-02-16 Paul Brook <paul@codesourcery.com>
8849 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8852 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8854 PR rtl-optimization/25636
8855 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8856 when deciding whether an insn is an initializing insn.
8858 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8860 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8861 (tree_code_size): Ditto.
8862 * tree.h (struct tree_memory_tag): Remove parent_var.
8863 (struct tree_struct_field_tag): New.
8866 (union tree_node): Add sft member.
8867 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8869 (create_sft): Add size and offset argument, set SFT_OFFSET and
8871 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8872 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8873 * tree-flow-inline.h (get_subvar_at): Update for
8874 SFT_OFFSET/SFT_SIZE.
8875 (var_can_have_subvars): Ditto.
8876 (overlap_subvar): Ditto.
8877 * print-tree.c (print_node): Print out interesting things for
8879 * tree-flow.h (struct subvar): Remove offset and size members.
8880 * tree-ssa-operands.c (get_expr_operands): Update for
8881 get_indirect_ref_operands changes.
8882 (get_indirect_ref_operands): Call add_virtual_operand instead of
8883 add_stmt_operand. Only recurse on base var if requested.
8884 (access_can_touch_variable): New function.
8885 (add_stmt_operand): Split virtual operand handling into ...
8886 (add_virtual_operand): Here. Add offset, size, and for_clobber
8887 arguments. Prune alias sets.
8888 (add_call_clobber_ops): Call add_virtual_operand.
8890 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8893 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8895 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8896 than TREE_CODE as index into omp_clause_num_ops array.
8898 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8900 PR rtl-optimization/26184
8901 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8903 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8904 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8905 must_precede, must_follow and tobe_scheduled.
8908 * opts.c (common_handle_option): Free new_option pointer.
8909 * df-core.c (df_analyze): Free postorder pointer.
8911 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8913 * Makefile.in: Fix the examples about the use of stamps
8915 2006-02-15 Michael Matz <matz@suse.de>
8919 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8920 influenced by maximum_field_alignment or DECL_PACKED.
8921 (update_alignment_for_field): Ditto.
8922 (place_field): Ditto.
8923 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8926 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8928 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8929 (debug_flow_info): Pass it.
8930 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8931 * bb-reorder.c (reorder_basic_blocks): Likewise.
8932 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8933 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8934 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8935 * gcse.c (gcse_main, bypass_jumps): Likewise.
8936 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8937 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8938 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8939 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8940 * rtl.h (dump_flow_info): Adjust prototype.
8941 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8942 * var-tracking.c (variable_tracking_main): Likewise.
8943 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8944 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8947 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8949 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8952 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8954 PR tree-optimization/26209
8955 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8956 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8958 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8960 2006-02-14 Roger Sayle <roger@eyesopen.com>
8963 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8964 (X,Y) and the corresponding symmetry related transformations.
8965 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8966 (X,Y) and its symmetry related transformations.
8968 2006-02-14 Roger Sayle <roger@eyesopen.com>
8970 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8973 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8975 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8977 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8980 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8981 support COMDAT group.
8982 * configure: Regenerate.
8984 2006-02-14 Roger Sayle <roger@eyesopen.com>
8989 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8991 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8993 Fix PR tree-optimization/26260
8995 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8997 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8998 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8999 * tree-ssa-structalias.c (create_variable_info_for): Use
9000 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9002 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9004 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9006 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9007 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9008 of the ending condition.
9009 * tree-ssa-loop-manip.c: Include params.h.
9010 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9011 tree_unroll_loop): New functions.
9012 * tree-pass.h (pass_loop_prefetch): Declare.
9013 * loop.c (rest_of_handle_loop_optimize): Test for
9014 -fprefetch-loop-arrays-rtl.
9015 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9016 * timevar.def (TV_TREE_PREFETCH): New timevar.
9017 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9018 pass_loop_prefetch): New.
9019 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9020 (cleanup_tree_cfg_loop): Call scev_reset.
9021 * common.opt (fprefetch-loop-arrays-rtl): Add.
9022 * tree-ssa-loop-prefetch.c: New file.
9023 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9024 (new_temp_expr_table): Initialize expr_vars.
9025 (free_temp_expr_table): Cleanup expr_vars.
9026 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9027 expressions from being merged into one.
9028 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9029 (struct tree_niter_desc): Add control, bound and cmp fields.
9030 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9032 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9033 (tree-cfgcleanup.o): Add SCEV_H dependency.
9034 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9035 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9037 2006-02-14 Richard Guenther <rguenther@suse.de>
9039 PR tree-optimization/26258
9040 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9041 in PHI argument processing.
9043 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9045 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9046 new expression in the requested machine mode.
9048 2006-02-13 Roger Sayle <roger@eyesopen.com>
9050 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9051 directly, instead let do_compare_rtx_and_jump handle this for us.
9052 * expr.c (expand_expr_real_1): Likewise.
9053 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9054 before do_jump_by_parts_greater.
9055 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9056 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9058 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9060 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9062 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9064 PR rtl-optimization/26235
9065 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9066 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9069 2006-02-13 Jeff Law <law@redhat.com>
9071 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9074 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9077 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9078 twice if decl is a builtin. When trying again, call get_callee_fndecl
9079 first to verify it is still a builtin.
9081 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9083 * dwarf2out.c (base_type_die): Don't add AT_name here.
9084 (subrange_type_die): Don't add AT_name here.
9085 (modified_type_die): Rearrange code flow. Do add AT_name here.
9087 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9089 PR rtl-optimization/26247
9090 PR rtl-optimization/26248
9091 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9093 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9095 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9096 * config/fixtfdi.c: Likewise.
9097 * config/fixunstfdi.c: Likewise.
9098 * config/floatditf.c: Likewise.
9100 2006-02-13 Roger Sayle <roger@eyesopen.com>
9103 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9104 into (X,C2) if C1 is a subset of the bits of C2. Transform
9105 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9107 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9109 2006-02-13 Josh Conner <jconner@apple.com>
9112 * varasm.c (function_section): Check for section name before
9113 calling select_section on targets that define
9114 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9115 unlikely_text_section instead of hot_function_section if
9116 first_function_block_is_cold.
9118 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9121 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9125 PR rtl-optimization/26222
9126 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9127 after tree->rtl expansion.
9128 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9129 before passing it to emit_move_insn.
9131 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9133 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9135 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9136 Clarify documentation.
9137 * c-common.h (warn_write_strings): Remove.
9138 * c-common.c (warn_write_strings): Likewise.
9139 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9142 2006-02-12 Roger Sayle <roger@eyesopen.com>
9145 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9146 (do_jump_parts_zero_rtx): New function renamed from
9147 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9148 (do_jump_parts_equality_rtx): New function split out from
9149 do_jump_parts_equality. Old implementation renamed as above.
9150 Call do_jump_parts_zero_rtx if either operand is zero.
9151 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9152 do all of the heavy lifting.
9153 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9154 calling either do_jump_by_parts_greater_rtx or
9155 do_jump_by_parts_equality_rtx.
9156 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9157 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9158 moved to do_compare_rtx_and_jump, call it directly.
9159 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9160 mode argument. Call do_compare_rtx_and_jump.
9161 (emit_case_nodes): Update calls to do_jump_if_equal.
9163 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9165 PR rtl-optimization/26225
9166 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9168 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9170 PR rtl-optimization/26232
9171 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9173 2006-02-11 Jason Merrill <jason@redhat.com>
9176 * tree-inline.c (declare_return_variable): Just don't use the
9177 modify target if it's a gimple complex reg and the return slot
9180 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9182 * doc/contrib.texi: Update my entry.
9184 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9186 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9188 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9190 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9193 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9195 * doc/invoke.texi (-floop-optimize2): Removed.
9196 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9197 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9198 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9199 * common.opt (floop-optimize2): Removed.
9200 (fmove-loop-invariants): Enabled by default.
9202 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9204 * tree-if-conv.c (combine_blocks): Free the result of
9205 get_loop_exit_edges.
9207 2006-02-10 Jeff Law <law@redhat.com>
9209 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9211 PR tree-optimization/26213
9212 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9213 loop trying to follow SSA_NAME_VALUE chains.
9215 2006-02-10 Richard Guenther <rguenther@suse.de>
9217 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9218 deal with structures that end in implicitly variable sized arrays.
9220 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9222 PR rtl-optimization/24762
9223 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9226 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9228 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9229 (struct ivopts_data): Add regs_used field.
9230 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9231 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9232 instead of loop_data->regs_used;
9233 (free_loop_data): Do not free aux fields for loops.
9234 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9235 and tree_ssa_iv_optimize_finalize.
9237 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9239 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9241 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9244 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9245 computing the effective result type.
9247 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9250 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9251 (tree_overlaps_hard_reg_set): Declare.
9252 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9253 type and signature to match function type expected by walk_tree.
9254 (tree_overlaps_hard_reg_set): New function.
9255 (decl_conflicts_with_clobbers_p): Rename to:
9256 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9257 Use tree_overlaps_hard_reg_set. Changed caller.
9258 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9259 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9260 * cris.c (cris_md_asm_clobbers): Likewise.
9262 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9264 * reload1.c (emit_input_reload_insns): Delete code that tries to
9265 inherit using find_equiv_reg.
9267 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9269 * c-common.h (flag_const_strings): Don't declare.
9270 * c-common.c (flag_const_strings): Remove.
9271 * c.opt (fconst_strings): Remove.
9272 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9273 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9274 (c_common_init_options): Don't set flag_const_strings.
9275 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9277 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9279 * arm.md (tlobits_cbranch): New pattern.
9280 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9281 testing a single bit.
9283 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9286 * tree-ssa-pre.c (create_component_ref_by_pieces):
9287 Handle RETURN_DECL like VAR_DECL.
9289 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9292 * fold-const.c (fold_indirect_ref_1): Fold
9293 "*(foo *)&complexfoo" to "__real__ complexfoo"
9294 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9296 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9298 * tree-flow-inline.h (var_can_have_subvars):
9299 Volatile variables should not have subvariables.
9301 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9304 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9305 multiplying unsigned values.
9308 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9310 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9312 2006-02-08 Jason Merrill <jason@redhat.com>
9315 * tree.def: Elaborate on difference from MODIFY_EXPR.
9316 * doc/c-tree.texi (INIT_EXPR): Likewise.
9317 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9318 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9319 (gimplify_target_expr): Likewise.
9320 (gimplify_cond_expr): Remove target handling.
9321 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9322 (gimplify_expr): Clobber it here.
9323 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9324 Do return slot optimization if we have an INIT_EXPR.
9327 * tree-inline.c (declare_return_variable): Also clear
9328 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9331 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9334 * gimplify.c (gimplify_one_sizepos): Fix typo.
9336 2006-02-08 Jeff Law <law@redhat.com>
9338 PR tree-optimization/21417
9339 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9340 across a backedge if the control statement at the end of the
9341 block is data dependent on other statements in the same block.
9342 (record_temporary_equivalences_from_stmts): Remove over-conservative
9343 test for threading across backedges.
9345 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9346 control statement, handle all three special cases in the same
9347 manner as they all have the same desired solution. No longer
9348 special case edge flag updating when the post dominator is
9351 2006-02-08 Roger Sayle <roger@eyesopen.com>
9353 * tree.def (CHAR_TYPE): Remove.
9354 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9355 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9356 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9357 (gen_string_type_die): Delete unreachable function.
9359 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9360 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9361 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9362 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9363 * builtins.c (type_to_class): Likewise.
9364 * fold-const.c (fold_convert, build_range_check,
9365 merge_ranges): Likewise.
9366 * expr.c (count_type_elements): Likewise.
9367 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9368 * stor-layout.c (layout_type): Likewise.
9369 * ipa-type-escape.c (type_to_consider): Likewise.
9370 * gimplify.c (omp_firstprivatize_type_sizes,
9371 gimplify_type_sizes): Likewise.
9372 * explow.c (promote_mode): Likewise.
9373 * tree-sra.c (is_sra_scalar_type): Likewise.
9374 * varasm.c (output_constant): Likewise.
9375 * tree-inline.c (remap_type_1): Likewise.
9376 * convert.c (convert_to_pointer, convert_to_real,
9377 convert_to_integer, convert_to_complex): Likewise.
9379 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9381 * df-scan.c (df_def_record_1): A set destination may
9382 be a parallel regardless of mode.
9384 2006-02-08 Roger Sayle <roger@eyesopen.com>
9387 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9388 * config/mips/_tilib.c: Remove.
9389 * config/fixtfdi.c: New libgcc source file.
9390 * config/fixunstfdi.c: New source file.
9391 * config/floatditf.c: New source file.
9392 * config/floatunditf.c: New souce file.
9393 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9394 files above instead of config/mips/_tilib.c.
9395 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9397 2006-02-08 Jeff Law <law@redhat.com>
9399 PR tree-optimization/26169
9400 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9403 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9405 * df.h (DF_REG_SIZE): Return the length of the initialized
9408 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9410 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9411 __muldf3): Return a correctly signed zero.
9413 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9415 * passes.c (register_one_dump_file): Accept the current properties
9416 instead of pass number. Adjust call to dump_register. Remove
9418 (register_dump_files): Now a wrapper around...
9419 (register_dump_files_1): ... this one. Do not modify the pass
9421 (next_pass_1): Cosmetic fix.
9422 (execute_todo): Keep second parameter only. Use curr_properties
9423 instead of fetching it from the pass structure. Check and set
9425 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9426 instead of fetching it from the pass structure. Fix calls to
9427 execute_todo. Update curr_properties and initialize .vcg RTL dump
9428 after running the pass. Reset last_verified.
9429 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9431 (FIRST_AUTO_NUMBERED_DUMP): New.
9432 (dump_register): Remove "num" parameter, assign it within the
9434 (get_dump_file_name): Modify template for dumps.
9435 * tree-dump.h (dump_register): Adjust prototype.
9436 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9437 (PROP_trees): Add PROP_gimple_lomp.
9438 (TODO_set_props): New.
9439 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9440 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9441 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9443 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9445 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9446 (sparc64-*-linux*): Likewise.
9447 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9448 * config/sparc/t-linux: New file.
9449 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9450 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9451 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9452 -m32 -mlong-double-128.
9454 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9455 * config/alpha/t-linux: New file.
9456 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9458 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9459 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9460 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9461 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9462 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9463 (CPP_ARCH32_SPEC): Remove.
9465 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9467 PR tree-optimization/26145
9468 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9471 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9474 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9475 >= 240000 when generating code for SOM runtime.
9476 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9477 to $$dyncall when generating code for SOM runtime..
9479 2006-02-07 Dirk Mueller <dmueller@suse.com>
9482 * doc/invoke.texi (-Wsequence-point): Update documentation
9483 that -Wsequence-point is implemented for C++ as well.
9485 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9487 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9488 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9489 (LIB_SPEC): Likewise.
9490 * doc/invoke.texi (SPARC options): Document -pthread.
9492 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9494 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9497 2006-02-07 Roger Sayle <roger@eyesopen.com>
9499 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9500 Correct comment describing BOOLEAN_TYPE.
9502 2006-02-07 Dirk Mueller <dmueller@suse.com>
9504 * c.opt: C++ frontend supports -Wdiv-by-zero.
9505 * c-opts.c (c_common_handle_option): Remove dead case.
9507 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9509 * configure.ac (TLS assembler check): Do not enable TLS by
9510 default on SPARC/Solaris before version 10.
9511 * configure: Regenerate.
9513 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9515 * doc/invoke.texi (xl-compat): Document conversion and support
9518 2006-02-07 Jeff Law <law@redhat.com>
9520 * tree-vrp.c (find_conditional_asserts): Update comments.
9521 (simplify_stmt_for_jump_threading): New.
9522 (identify_jump_threads, finalize_jump_threads): New.
9523 (vrp_finalize): Call identify_jump_threads.
9524 (execute_vrp): Call finalize_jump_threads.
9525 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9526 (vrp_element, vrp_data, vrp_element_p): Remove.
9527 (vrp_hash_elt, vrp_variables_stack): Remove.
9528 (vrp_hash, vrp_eq, record_range): Remove.
9529 (simplify_cond_and_lookup_avail_expr): Remove.
9530 (extract_range_from_cond): Remove.
9531 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9532 (simplify_stmt_for_jump_threading): New.
9533 (dom_thread_across_edge): New wrapper.
9534 (tree_ssa_dominator_optimize): No longer initialize or
9535 finalize any of the VRP datastructures. Remove iteration
9536 step and simplify as a result of removal of iteration step.
9537 (pass_dominator): Perform a cfg cleanup after DOM.
9538 (dom_opt_finalize_block): Use the new common routines
9539 for threading jumps. Simplify stack management slightly.
9540 No longer need to unwind VRP state.
9541 (record_equivalences_from_incoming_edge): No longer record
9543 (eliminate_redundant_computations): No longer call
9544 simplify_cond_and_lookup_avail_expr.
9545 * tree-flow.h (potentially_threadable_block): Prototype.
9546 (thread_across_edge): Likewise.
9547 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9548 (tree-ssa-threadedge.o): Add dependencies.
9549 * tree-ssa-threadedge.c: New file.
9550 * passes.c (init_optimization_passes): Merge PHIs before
9551 calling VRP. Run VRP again late in the SSA optimization pipeline.
9553 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9555 * df-core.c (df_set_blocks): Do not dereference function pointers.
9556 (df_finish1): Likewise.
9557 (df_hybrid_search_forward): Likewise.
9558 (df_hybrid_search_backward): Likewise.
9559 (df_iterative_dataflow): Likewise.
9560 (df_analyze_problem): Likewise.
9561 (df_compact_blocks): Likewise.
9562 (df_dump): Likewise.
9563 * df-scan.c (df_rescan_blocks): Likewise.
9564 (df_record_entry_block_defs): Likewise.
9566 * genconditions.c (write_conditions): Guard the definition of
9567 'insn_conditions' with the check on GCC version.
9568 (write_writer): Guard the traversal 'insn_conditions' with
9569 the check on GCC version.
9571 2006-02-07 Richard Guenther <rguenther@suse.de>
9575 2006-01-30 Richard Guenther <rguenther@suse.de>
9577 * gimplify.c (gimplify_target_expr): Handle easy cases
9578 without creating a temporary.
9580 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9582 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9583 use of float in probability computations. Use edge probabilities
9584 in place of statically computed probabilities.
9585 (min_spec_prob): New static variable.
9586 (schedule_insns): Initialize it.
9587 (GET_SRC_PROB): Removed.
9588 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9590 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9593 * config/ia64/unwind-ia64.c: Revert last change.
9594 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9595 (INCOMING_FRAME_SP_OFFSET): Define.
9597 2006-02-06 Roger Sayle <roger@eyesopen.com>
9599 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9601 2006-02-07 Ben Elliston <bje@au.ibm.com>
9603 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9604 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9605 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9606 (ix86_return_in_memory): Handle TDmode.
9607 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9608 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9610 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9612 * reorg.c (dbr_schedule): Use dump_file instead of file.
9614 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9617 * config/ia64/predicates.md (extr_len_operand): New predicate.
9618 * config/ia64/ia64.md (extv): Tighten constraints.
9620 (*tbit_and_2): Ditto.
9621 (*tbit_and_3): Ditto.
9622 (*tbit_or_2): Ditto.
9623 (*tbit_or_3): Ditto.
9627 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9630 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9632 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9634 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9635 loop_optimizer_init and loop_optimizer_finalize
9636 * tree-ssa-sink.c (execute_sink_code): Ditto.
9637 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9638 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9639 tree_ssa_loop_done): Ditto.
9640 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9641 * sched-ebb.c: Include output.h.
9642 (schedule_ebbs): Do not use dump argument.
9643 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9644 * loop.c (loop_dump_stream): Removed.
9645 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9647 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9648 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9649 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9650 loop_iterations, strength_reduce, record_biv, record_giv,
9651 final_giv_value, check_final_value, check_ext_dependent_givs,
9652 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9653 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9654 dump_file instead of loop_dump_stream.
9655 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9657 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9659 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9660 * haifa-sched.c: Include output.h
9661 (schedule_insns, sched_init): Do not use dump argument.
9662 * mode-switching.c (optimize_mode_switching): Ditto.
9663 * modulo-sched.c (stats_file): Removed.
9664 (print_node_sched_params): Do not call argument dump_file.
9665 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9666 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9668 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9670 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9671 rtl_loop_init, rtl_loop_done): Ditto.
9672 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9673 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9675 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9676 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9677 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9678 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9679 * emit-rtl.c (renumber_insns): Ditto.
9680 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9681 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9682 * regclass.c (regclass): Ditto.
9683 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9684 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9685 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9686 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9688 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9689 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9691 * gcse.c (gcse_file, debug_stderr): Removed.
9692 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9693 rest_of_handle_gcse): Do not use dump argument.
9694 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9695 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9696 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9697 compute_code_hoist_vbeinout, compute_code_hoist_data,
9698 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9699 compute_store_table, build_store_vectors, insert_insn_start_bb,
9700 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9701 store_motion): Use dump_file instead of gcse_file.
9702 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9703 * profile.c (profile_dump_file): Removed.
9704 (branch_prob): Use dump_file instead of profile_dump_file.
9705 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9707 * tree-ssa-copy.c (dump_copy_of): Ditto.
9708 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9709 dump file to life_analysis.
9710 * bt-load.c (branch_target_load_optimize): Ditto.
9711 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9713 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9714 regclass, dbr_schedule): Declaration changed.
9715 * sched-int.h (sched_init): Declaration changed.
9716 * tree-profile.c (tree_profile_dump_file): Removed.
9717 (tree_profile_hooks): Removed profile_dump_file hook.
9718 * rtl-profile (rtl_profile_dump_file): Removed.
9719 (rtl_profile_hooks): emoved profile_dump_file hook.
9720 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9722 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9723 * tree-cfg.c (build_tree_cfg): Ditto.
9724 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9725 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9726 Declaration changed.
9727 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9728 life_analysis and schedule_insns.
9729 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9731 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9733 * config/mips/mips.c (mips_reorg): Ditto.
9734 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9737 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9739 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9740 (s390_mangle_fundamental_type): New.
9741 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9744 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9745 (alpha_mangle_fundamental_type): New.
9746 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9749 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9751 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9753 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9754 (sparc_mangle_fundamental_type): New.
9756 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9758 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9759 (s390x-*-linux*): Likewise.
9760 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9761 * config/s390/t-linux: New file.
9763 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9765 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9766 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9768 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9770 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9771 (ANTIC_SAFE_LOADS): New macro.
9772 (find_or_generate_expression): Add prototype.
9773 (set_contains_value): Allow null set for sake of not always having
9774 to allocate ANTIC_SAFE_LOADS.
9775 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9776 Allow COMPONENT_REF too.
9777 (valid_in_set): Allow COMPONENT_REF.
9778 Check ANTIC_SAFE_LOADS too.
9779 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9780 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9782 (can_PRE_operation): Add COMPONENT_REF.
9783 (create_component_ref_by_pieces): New function.
9784 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9785 (insert_aux): Move AGGREGATE_TYPE_P check here.
9786 (compute_avail): Set bb local stmt uids.
9787 (pass_pre): Use TODO_update_ssa_only_virtuals.
9789 2006-02-06 Ben Elliston <bje@au.ibm.com>
9791 * configure.ac: Unconditionally disable decimal float by default.
9792 * configure: Regenerate.
9794 2006-02-06 Ben Elliston <bje@au.ibm.com>
9796 * read-rtl.c (read_name): Terminate reading on EOF.
9798 2006-02-06 Ben Elliston <bje@au.ibm.com>
9800 * dfp.c (decimal_real_arithmetic): Change second argument type
9801 from int to enum tree_code. Do not always return true, but now
9802 return result of any call to decimal_do helper functions.
9803 * dfp.h (decimal_real_arithmetic): Update prototype.
9805 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9807 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9809 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9812 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9815 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9817 * tree-vrp.c (cfg_loops): Removed.
9818 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9819 Use current_loops instead of cfg_loops. Pass flags to
9820 loop_optimizer_init.
9821 * cfgloopmanip.c (fix_loop_structure): Update only available
9823 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9824 loop_optimizer_init.
9825 * modulo-sched.c (build_loops_structure): Removed.
9826 (sms_schedule): Use loop_optimizer_init.
9827 * loop-init.c (loop_optimizer_init): Use flags to determine
9828 which properties of loops to prepare.
9829 (rtl_loop_init): Pass flags to loop_optimizer_init.
9830 * tree-ssa-sink.c (execute_sink_code): Ditto.
9831 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9832 * tree-ssa-pre.c (init_pre): Ditto.
9833 * cfgloop.h (LOOPS_NORMAL): New.
9834 (loop_optimizer_init): Declaration changed.
9836 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9838 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9839 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9841 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9843 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9845 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9846 * pa/t-pa64: Delete quadlib.c rule.
9847 * pa/x-ada: Revert last change.
9848 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9850 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9852 PR rtl-optimization/26087
9853 * rtlanal.c (canonicalize_condition): Do not cross basic block
9856 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9859 * config/ia64/ia64.c: Include debug.h.
9860 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9861 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9862 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9863 (process_epilogue, process_set, process_for_unwind_directive):
9864 Output unwind info only if requested. Add CFA info if requested.
9865 Add new arguments as needed. Adjust callers.
9866 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9868 (DWARF2_FRAME_INFO): Define to zero.
9869 * config/ia64/unwind-ia64.c: Remove code that compensated for
9870 the CFA offset error fixed above.
9871 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9872 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9873 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9874 -funwind-tables and -fexceptions to enable frame info.
9875 (dwarf2out_frame_init): Define initial CFA even if
9876 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9877 DWARF2_UNWIND_INFO is nonzero, not just defined.
9878 (dwarf2out_frame_finish): Output non-EH call frame info only
9879 if DWARF2_FRAME_INFO is nonzero.
9880 (convert_cfa_to_loc_list,
9881 compute_frame_pointer_to_cfa_displacement): Define even if
9882 unwind info is not supported.
9883 (gen_subprogram_die): Use the above unconditionally. Remove
9884 legacy alternate code.
9885 * toplev.c (compile_file): Compile in call to
9886 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9887 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9889 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9890 Jakub Jelinek <jakub@redhat.com>
9892 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9893 IBM extended float format long double as "g" on powerpc*-linux.
9895 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9898 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9899 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9901 2006-02-03 Jason Merrill <jason@redhat.com>
9904 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9907 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9908 on the return slot if it's an NRV.
9910 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9912 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9913 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9914 rewrite_use): Do not handle USE_OUTER.
9915 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9916 add_iv_outer_candidates, may_replace_final_value,
9917 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9918 (find_interesting_uses_op): Functionality of
9919 find_interesting_uses_outer_or_nonlin moved here.
9920 (find_interesting_uses_outside): Use find_interesting_uses_op.
9922 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9925 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9927 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9928 Ulrich Weigand <uweigand@de.ibm.com>
9931 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9932 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9933 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9934 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9936 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9937 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9938 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9939 Define secondary reloads for TFmode moves.
9940 (constant_modes): Add TFmode.
9941 (NR_C_MODES): Set to 8.
9942 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9944 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9945 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9946 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9947 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9948 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9949 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9950 (FPR mode macro): Add TFmode.
9951 (DSF mode macro): New.
9952 (<de>, <dee> mode attributes): Removed.
9953 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9954 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9955 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9956 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9957 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9958 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9959 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9960 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9961 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9962 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9963 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9964 "*negabs<mode>2", "sqrt<mode>2"):
9965 Changed <de> to <xde>. R constraint replaced by <Rf>.
9966 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9968 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9969 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9970 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9972 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9973 "extenddftf2", "extendsftf2"): New expanders.
9974 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9975 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9976 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9977 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9979 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9980 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9981 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9982 __floatditf): Add a GCC_4.1.0 symbol version tag.
9983 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9986 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9989 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9990 Use targetm.binds_local_p instead of TREE_PUBLIC.
9992 2006-02-02 Roger Sayle <roger@eyesopen.com>
9994 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9995 on INTEGER_TYPEs to indicate that it denotes a character type.
9996 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9997 signed_char_type_node, unsigned_char_type_node and char_type_node.
9998 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9999 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10000 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10002 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10003 Daniel Berlin <dberlin@dberlin.org>
10005 * tree-tailcall.c (arg_needs_copy_p): New function.
10006 (eliminate_tail_call): Use arg_needs_copy_p.
10007 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10008 (add_virtual_phis): New function.
10010 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10012 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10013 #ignore instead of #scratch for %g7 .register directive.
10015 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10017 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10020 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10022 * flow.c (calculate_global_regs_live): Assert that there aren't any
10025 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10027 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10028 what its name says.
10029 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10030 bsi_after_labels iterator.
10031 * tree-if-conv.c (find_phi_replacement_condition,
10032 replace_phi_with_cond_modify_expr): Likewise.
10033 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10034 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10036 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10038 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10040 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10043 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10044 array after growing it.
10046 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10048 PR middle-end/24901
10049 * fold-const.c (fold_checksum_tree): Change type of buf.
10051 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10053 * reload.c (push_secondary_reload): Initialize t_icode.
10055 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10057 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10058 -msoft-float -mlong-double-128 only issue a warning, but don't
10059 swich to DFmode long double.
10061 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10063 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10064 has a constant equivalent, iterate over equivalents for arg0,
10065 calling simplify_relational_operation and if there's a result
10066 cheaper than X, apply fold_rtx and return the result.
10068 2006-02-01 Jan Hubicka <jh@suse.cz>
10070 * opts.c (no_unit_at_a_time_default): New global variable.
10071 (decode_options): Use it.
10072 * opts.h (no_unit_at_a_time_default): Declare.
10074 2006-02-01 Paul Brook <paul@codesourcery.com>
10076 * function.c (assign_parm_setup_reg): Use function argument promotion
10078 * expr.c (expand_expr_real_1): Use function argument promotion rules
10081 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10083 * gcc.c (process_command): Change j to 'unsigned int'.
10085 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10087 PR middle-end/26001
10088 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10089 Use the corrected index for the character
10090 out of the string constant.
10092 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10094 * mode-switching.c (optimize_mode_switching): Fix size
10095 allocated for bb_info[n_entities].
10097 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10099 * gcc.c (main): Correct type that is allocated for
10100 explicit_link_files.
10102 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10104 * config/s390/s390.c (init_alignment_context): Set
10105 ALIAS_SET_MEMORY_BARRIER on the MEM.
10106 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10108 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10110 PR middle-end/25933
10111 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10113 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10116 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10118 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10119 * regrename.c: Ditto.
10120 * tree-ssa-loop-im.c: Ditto.
10121 * tree-dump.c: Ditto.
10122 * tree-complex.c: Ditto.
10123 * genrecog.c: Ditto.
10124 * tree-ssa-threadupdate.c: Ditto.
10126 * java/class.c: Ditto.
10127 * java/jcf-parse.c: Ditto.
10128 * java/resource.c: Ditto.
10129 * java/except.c: Ditto.
10130 * java/jvspec.c: Ditto.
10131 * java/jcf-write.c: Ditto.
10132 * java/jcf-path.c: Ditto.
10133 * java/gjavah.c: Ditto.
10134 * java/zextract.c: Ditto.
10135 * java/jcf-io.c: Ditto.
10136 * java/jcf.h: Ditto.
10137 * java/buffer.c: Ditto.
10138 * java/lang.c: Ditto.
10139 * java/parse-scan.y: Ditto.
10140 * java/lex.c: Ditto.
10141 * java/lex.h: Ditto.
10142 * cfgloopmanip.c: Ditto.
10143 * postreload-gcse.c: Ditto.
10144 * tree-ssa-loop-manip.c: Ditto.
10145 * postreload.c: Ditto.
10146 * tree-ssa-loop-ch.c: Ditto.
10149 * cppspec.c: Ditto.
10150 * diagnostic.c: Ditto.
10152 * genoutput.c: Ditto.
10154 * cfghooks.c: Ditto.
10155 * cfgloopanal.c: Ditto.
10156 * objc/objc-act.c: Ditto.
10158 * genextract.c: Ditto.
10159 * genautomata.c: Ditto.
10160 * pretty-print.c: Ditto.
10161 * genemit.c: Ditto.
10162 * cgraphunit.c: Ditto.
10164 * df-scan.c: Ditto.
10165 * haifa-sched.c: Ditto.
10166 * dominance.c: Ditto.
10168 * tree-ssa-loop-ivopts.c: Ditto.
10169 * df-core.c: Ditto.
10170 * mode-switching.c: Ditto.
10171 * modulo-sched.c: Ditto.
10173 * ipa-pure-const.c: Ditto.
10175 * fix-header.c: Ditto.
10177 * tree-stdarg.c: Ditto.
10178 * ipa-utils.c: Ditto.
10179 * loop-init.c: Ditto.
10180 * ipa-inline.c: Ditto.
10181 * cfganal.c: Ditto.
10183 * alloc-pool.c: Ditto.
10184 * dwarf2out.c: Ditto.
10186 * genattrtab.c: Ditto.
10187 * tree-ssa-loop-ivcanon.c: Ditto.
10188 * predict.c: Ditto.
10189 * timevar.c: Ditto.
10191 * fortran/gfortranspec.c: Ditto.
10192 * regmove.c: Ditto.
10193 * local-alloc.c: Ditto.
10194 * langhooks.c: Ditto.
10195 * function.c: Ditto.
10196 * tree-vectorizer.c: Ditto.
10198 * ipa-type-escape.c: Ditto.
10200 * tree-if-conv.c: Ditto.
10201 * profile.c: Ditto.
10203 * tree-data-ref.c: Ditto.
10204 * loop-unroll.c: Ditto.
10205 * treelang/treetree.c: Ditto.
10207 * bt-load.c: Ditto.
10208 * ggc-common.c: Ditto.
10210 * coverage.c: Ditto.
10212 * tree-cfgcleanup.c: Ditto.
10213 * tree-ssa-pre.c: Ditto.
10214 * cfgcleanup.c: Ditto.
10215 * loop-invariant.c: Ditto.
10216 * loop-iv.c: Ditto.
10217 * ipa-prop.c: Ditto.
10218 * print-tree.c: Ditto.
10219 * conflict.c: Ditto.
10220 * ggc-page.c: Ditto.
10221 * sched-deps.c: Ditto.
10222 * regclass.c: Ditto.
10223 * tree-object-size.c: Ditto.
10224 * combine.c: Ditto.
10225 * bb-reorder.c: Ditto.
10226 * resource.c: Ditto.
10227 * var-tracking.c: Ditto.
10228 * cfgloop.c: Ditto.
10229 * df-problems.c: Ditto.
10230 * reg-stack.c: Ditto.
10232 * gccspec.c: Ditto.
10233 * sched-rgn.c: Ditto.
10234 * tree-ssa-structalias.c: Ditto.
10235 * tree-ssa-reassoc.c: Ditto.
10236 * config/darwin-c.c: Ditto.
10237 * config/darwin.c: Ditto.
10238 * config/arm/arm.c: Ditto.
10240 * collect2.c: Ditto.
10241 * reload1.c: Ditto.
10243 2006-01-31 Nicolas Pitre <nico@cam.org>
10245 * arm.md (smaxsi3): Make aware of smax_m1.
10248 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10250 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10252 2006-01-31 Richard Guenther <rguenther@suse.de>
10254 * doc/invoke.texi (-msselibm): Document.
10255 * target.h (expand_library_builtin): New target hook.
10256 * builtins.c (expand_builtin): Use expand_library_builtin.
10257 (default_expand_library_builtin): New function.
10258 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10259 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10260 (link_gcc_math_spec): Declare.
10261 (static_specs): Add link_gcc_math_spec.
10262 * expr.h (default_expand_library_builtin): Declare.
10263 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10264 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10265 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10266 * config/i386/i386.opt (msselibm): New target option.
10267 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10268 (ix86_init_sse_abi_builtins): New function.
10269 (ix86_expand_library_builtin): Likewise.
10270 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10271 (override_options): Handle error conditions wrt -msselibm.
10272 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10273 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10274 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10277 2006-01-31 Richard Guenther <rguenther@suse.de>
10278 Paolo Bonzini <bonzini@gnu.org>
10280 * doc/install.texi (--disable-libgcc-math): Document.
10282 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10284 * expr.h (expand_normal): new inline function.
10285 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10286 * dojump.c: use it.
10287 * dwarf2out.c: use it.
10290 * expmed.c: use it.
10291 * except.c: use it.
10292 * config/sparc/sparc.c: use it.
10293 * config/i386/i386.c: use it.
10294 * config/rs6000/rs6000.c: use it.
10295 * config/arm/arm.c: use it.
10296 * config/mips/mips.c: use it.
10297 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10299 2006-01-30 Roger Sayle <roger@eyesopen.com>
10301 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10302 argv to the appropriate type.
10304 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10306 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10309 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10312 * config/s390/s390.c (struct machine_function): New flag
10313 decomposed_literal_pool_addresses_ok_p.
10314 (s390_reorg): Set it before final stage of literal pool transforms.
10315 (s390_decompose_address): Only accept displacements of the form
10316 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10318 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10320 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10321 the comparison routine return.
10323 2006-01-30 Michael Matz <matz@suse.de>
10325 * global.c (find_reg): Only evict for global regs.
10326 Take n_refs into account and dump more info.
10328 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10331 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10332 (pragma_trap, pragma_nosave_low_regs): Likewise.
10333 (current_function_anonymous_args): Likewise.
10334 (sh_deferred_function_attributes): New variable.
10335 (sh_deferred_function_attributes_tail): Likewise.
10336 (print_operand): For '@', look up trap_exit attribute.
10337 (calc_live_regs): Look up trapa_handler attribute. For trapa
10338 handlers, save/restore fpscr, but don't do any other
10339 interrupt-specific saves.
10340 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10341 Fix check for partially saved registers to check for SHmedia.
10342 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10343 (sh_output_function_epilogue): Don't clear any of the removed
10345 (sh_insert_attributes): Don't check pragma_interrupt.
10346 Insert deferred attributes. Check that interrupt attribute is
10347 present for other attributes that require its presence.
10348 (sh_attribute_table): Add new attributes trapa_handler and
10350 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10351 Don't check for pragma_interrupt. Don't store argument.
10352 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10353 (sh_deferred_function_attributes): Declare.
10354 (sh_deferred_function_attributes_tail): Likewise.
10355 * sh.md (sp_switch_1): Add operand. Change generator caller.
10356 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10357 (*return_i): Don't use when trap_exit attribute is in effect.
10358 (*return_trapa): New insn pattern.
10359 * sh-c.c: New file.
10360 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10361 setting c_target_objs and cxx_target_objs.
10362 * t-sh: Add rule for sh-c.o.
10364 2006-01-30 Richard Guenther <rguenther@suse.de>
10367 * gimplify.c (gimplify_target_expr): Handle easy cases
10368 without creating a temporary.
10370 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10372 * vec.h (safe_grow): Remove duplicated line.
10374 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10377 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10378 (expand_omp): ... here.
10379 (expand_omp_parallel): Only remove barriers for combined
10380 parallel+workshare constructs.
10382 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10386 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10387 * tree.c (build_qualified_type): Chain the new type to the original
10388 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10389 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10390 (build_pointer_type_for_mode): Only return unqualified types.
10391 (build_reference_type_for_mode): Likewise.
10393 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10395 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10396 * Makefile.in (CXX_COMPAT_WARN): Define.
10397 * configure: Regenerate.
10399 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10402 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10405 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10407 * toplev.c: Fix thinko.
10409 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10410 Marcin Dalecki <martin@dalecki.de>
10412 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10413 (push_srcloc): Use XNEW.
10414 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10416 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10418 * df-core.c (df_set_blocks): Deleted all variable.
10420 2006-01-28 Ian Lance Taylor <ian@airs.com>
10422 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10423 cgraph_output_pending_asms.
10425 2006-01-28 Zack Weinberg <zackw@panix.com>
10427 * c.opt: Add -W(no-)overlength-strings.
10428 * doc/invoke.texi: Document it.
10429 * c-opts.c (c_common_handle_option): -pedantic implies
10430 -Woverlength-strings, if not explicitly disabled already.
10431 (c_common_post_options): -Woverlength-strings defaults to off, and
10432 is always off for C++.
10433 * c-common.c (fix_string_type): Issue warning about strings longer
10434 than is portable only if warn_overlength_strings. Rearrange code
10435 a little for clarity.
10436 * configure.in: Check for -Wno-overlength-strings as well before
10437 enabling -pedantic in stage 1.
10438 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10439 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10441 * genconditions.c (write_header, write_one_condition)
10442 (write_conditions, write_writer): Consolidate very long strings
10443 that were broken up to fit in C89 portable limit. Don't use
10444 printf when fputs will do.
10446 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10448 * combine.c (simplify_comparison <AND>): Check
10449 TRULY_NOOP_TRUNCATION before start using a subreg.
10451 * config/mips/mips.md (*branch_zero<mode>,
10452 *branch_zero<mode>_inverted, *branch_equality<mode>,
10453 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10454 Remove mode check from comparisons.
10456 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10458 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10460 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10462 * expmed.c (const_mult_add_overflow_p): Remove.
10463 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10465 * recog.c (validate_replace_rtx_subexp): Remove.
10466 * recog.h: Remove the prototype for
10467 validate_replace_rtx_subexp.
10469 * integrate.h: Remove the prototype for
10470 copy_decl_for_inlining.
10471 * rtl.h: Remove the prototype for mark_constant_function.
10472 * tree-vectorizer.h: Remove the prototype for
10473 vect_strip_conversion.
10475 * modulo-sched.c (create_partial_schedule,
10476 free_partial_schedule, reset_partial_schedule): Make them
10479 * hooks.c (hook_bool_rtx_int_false): Remove.
10480 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10482 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10484 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10485 and -mlong-double-128 are incompatible.
10486 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10487 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10488 (TARGET_LIBGCC2_CFLAGS): Define.
10489 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10490 (TARGET_LIBGCC2_CFLAGS): Same.
10491 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10493 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10496 * c-typeck.c (build_binary_op): Perform implicit casts of
10497 operands before shortening them.
10499 * cfgloopmanip.c (split_loop_bb): Remove.
10500 * cfgloop.h: Remove the prototype for split_loop_bb.
10502 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10503 * cfgloop.h: Remove the prototype for
10504 flow_loop_outside_edge_p.
10506 * emit-rtl.c (init_virtual_regs): Make it static.
10507 * function.h: Remove the prototype for init_virtual_regs.
10509 * recog.c (peephole2_optimize): Make it static.
10510 * recog.h: Remove the prototype for peephole2_optimize.
10512 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10514 * df-scan.c (df_record_entry_block_defs): Check if
10515 INCOMING_RETURN_ADDR_RTX is defined.
10517 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10518 Kenneth Zadeck <zadeck@naturalbridge.com>
10520 PR rtl-optimization/24762
10521 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10522 * targhooks.c (hook_void_bitmap): New hook prototype.
10523 * targhoohs.h (hook_void_bitmap): Ditto.
10524 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10525 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10526 * target.h (live_on_entry): New function pointer.
10527 * df-scan.c (df_all_hard_regs): Removed.
10528 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10529 (df_scan_free_internal): Added df->entry_block_defs.
10530 (df_scan_alloc): Ditto.
10531 (df_scan_dump): Ditto.
10532 (df_uses_record): Plumbed flag field properly thru calls.
10533 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10534 This part fixes PR24762.
10535 (df_bb_refs_record): Added code to make the frame and arg
10536 pointers live in EH blocks.
10537 (df_refs_record): Added call to df_record_entry_block_defs.
10538 (df_record_entry_block_defs): New function.
10539 * df-core.c: Added comments to describe new artifical defs.
10540 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10541 (entry_block_defs): New field in struct df.
10542 (df_all_hard_regs): Deleted.
10543 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10544 * df-problems.c (df_ru_bb_local_compute_process_def):
10545 Added code to handle artifical defs in the entry to a function.
10546 (df_ru_bb_local_compute): Ditto.
10547 (df_rd_bb_local_compute_process_def): Ditto.
10548 (df_rd_bb_local_compute): Ditto.
10549 (df_lr_bb_local_compute): Ditto.
10550 (df_ur_bb_local_compute): Ditto.
10551 (df_urec_bb_local_compute): Ditto.
10552 (df_chain_create_bb): Ditto.
10553 (df_ur_local_finalize): Removed entry.
10554 (df_urec_init): Ditto.
10555 (df_urec_local_finalize): Ditto.
10556 (df_ri_bb_compute): Added detection of last use of pseudos.
10557 * Makefile.in (df-scan.o): Updated dependencies.
10558 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10559 * config/mips/mips.c (mips_set_live_on_entry): Added.
10560 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10562 * dce.c (marked_insn_p): Added code to handle artifical defs.
10564 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10566 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10568 (_mm_cvtsi128_si64): Likewise.
10569 (_mm_cvtsd_si64): Likewise.
10570 (_mm_cvttsd_si64): Likewise.
10571 (_mm_cvtsi64_sd): Likewise.
10572 (_mm_cvtsi64_si128): Likewise.
10573 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10574 (_mm_cvtsi64_m64): Likewise.
10575 (_m_to_int64): Likewise.
10576 (_mm_cvtm64_si64): Likewise.
10577 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10578 (_mm_cvttss_si64): Likewise.
10579 (_mm_cvtsi64_ss): Likewise.
10580 (_mm_cvtss_f32): Likewise.
10582 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10584 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10585 for pragma redefine_extname.
10587 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10590 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10591 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10592 -mno-minimal-toc to previous content.
10593 (bispecs): Remove goal.
10594 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10595 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10596 compatibility aliases on powerpc-*-*gnu*.
10597 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10598 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10599 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10600 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10601 (ldblspecs): New goal.
10602 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10603 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10605 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10606 L_sf_to_tf or L_df_to_tf is defined.
10608 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10609 Alan Modra <amodra@bigpond.net.au>
10612 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10613 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10614 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10615 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10616 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10617 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10618 (rs6000_override_options): Initialize rs6000_ieeequad.
10619 Initialize TFmode format to ibm_extended_format if not
10621 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10623 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10624 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10625 (function_arg_advance): IBM long double passed in two FPRs, not
10627 (function_arg): IBM long double passed in FPRs.
10628 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10629 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10630 Only multireg GPR aligned.
10631 (rs6000_init_libfuncs): Enable IBM long double functions if not
10633 (rs6000_generate_compare): Use IBM long double compare if not
10635 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10636 (TARGET_IEEEQUAD): Define.
10637 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10638 not TARGET_IEEEQUAD.
10639 * config/rs6000/rs6000.md: Enable TFmode patterns if
10641 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10642 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10643 and -mlong-double-128 are incompatible.
10644 * doc/invoke.texi (-mabi): Collect options together. Add
10645 ibmlongdouble and ieeelongdouble.
10647 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10649 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10651 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10652 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10653 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10654 * rtl.h (rtunion_def): Remove rt_ptr.
10656 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10657 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10658 * config/i386/winnt.c (i386_pe_mark_dllexport)
10659 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10661 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10663 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10665 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10669 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10670 pthread_key_delete. From John David Anglin. gthrw-ify
10671 pthread_getunique_np only if it it's not a macro. Delete
10673 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10674 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10675 __gthread_objc_condition_signal, __gthread_key_delete): Add
10676 "__attribute__ ((__unused__))" to unused arguments.
10677 (__gthread_recursive_mutex_init_function): Add missing return.
10678 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10679 gthr-posix95.h: Use macro-based approach for name redirection
10680 on targets missing weakref.
10682 2006-01-26 Zack Weinberg <zackw@panix.com>
10684 * genconditions.c (write_header): In generated code, #ifdef out
10685 all includes and fake declarations, except includes of bconfig.h
10686 and system.h, unless GCC_VERSION >= 3001. Do not include
10687 gensupport.h in any case.
10688 (write_conditions): Generate a definition of struct c_test. Add
10689 a comment to the generated #endif.
10690 (write_one_condition): Escape backslashes in string too.
10691 (write_writer): Generated code must escape backslashes and quote
10692 marks (but not newlines) in the strings it writes.
10693 * Makefile.in (build/gencondmd.o): Update dependencies.
10695 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10698 * Makefile.in (insn-automata.o): Add header file dependencies.
10699 * genautomata.c: Add includes.
10701 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10704 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10706 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10708 * configure.ac: Expect target tools paths to be passed from the toplevel
10709 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10711 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10713 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10716 * c.opt (Wpointer-sign): Init to -1.
10717 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10718 OPT_pedantic, to 0 otherwise.
10719 * doc/invoke.texi: Update.
10721 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10723 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10724 constants provided by 80387 instructions in the destination mode.
10726 2006-01-26 Richard Guenther <rguenther@suse.de>
10727 Andrew Pinski <pinskia@physics.uc.edu>
10730 partial PR tree-opt/17064
10731 * tree-ssa-structalias.c (intra_create_variable_infos):
10732 Create heap variables for incoming parameters if
10733 flag_argument_noalias > 1.
10734 (find_what_p_points_to): Look through default defs of
10737 2006-01-26 Jeff Law <law@redhat.com>
10740 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10741 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10742 within the VR_RANGE, use the VR_RANGE as the result, not the
10744 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10745 bounds for the type.
10747 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10749 * tree-ssa-alias.c (maybe_create_global_var): Change
10750 subvar walking to an assertion that we don't have subvar'd variables.
10752 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10755 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10756 Use a new variable, inner. PARM_DECLs are always non-weak.
10758 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10760 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10761 --disable-checking.
10763 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10765 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10767 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10769 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10770 (smax_insn, smin_insn, smax_0, smin_0): New.
10772 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10775 * config/cris/cris.c (cris_order_for_addsi3): New function.
10776 * config/cris/cris-protos.h: Prototype it.
10777 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10778 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10779 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10780 (split for "op.S1 [rx=rx+i],ry (swapped)")
10781 (split for "op(s|u).S1 [rx=rx+i],ry")
10782 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10783 Apply cris_order_for_addsi3 when generating addsi3 insns.
10785 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10787 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10788 (TREE_BLOCK): Add call to EXPR_CHECK.
10790 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10793 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10794 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10795 (dump_omp_clauses): ... here.
10796 (dump_generic_node): Handle OMP_CLAUSE.
10797 * tree.c (omp_clause_num_ops): New.
10798 (omp_clause_code_name): New.
10799 (tree_code_size): Handle OMP_CLAUSE.
10800 (tree_size): Likewise.
10801 (make_node): Document handling of OMP_CLAUSE.
10802 (tree_node_structure): Handle OMP_CLAUSE.
10803 (omp_clause_check_failed): New.
10804 (omp_clause_range_check_failed): New.
10805 (omp_clause_operand_check_failed): New.
10806 (build_omp_clause): New.
10807 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10808 * tree.h (enum omp_clause_code): Declare.
10809 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10810 (OMP_CLAUSE_RANGE_CHECK): Define.
10811 (OMP_CLAUSE_ELT_CHECK): Define.
10812 (omp_clause_check_failed): Declare.
10813 (omp_clause_operand_check_failed): Declare.
10814 (omp_clause_range_check_failed): Declare.
10815 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10816 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10817 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10818 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10819 (OMP_CLAUSE_IF_EXPR): Likewise.
10820 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10821 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10822 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10823 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10824 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10825 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10826 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10827 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10828 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10829 (OMP_CLAUSE_CODE): Define.
10830 (OMP_CLAUSE_SET_CODE): Define.
10831 (OMP_CLAUSE_CODE): Define.
10832 (OMP_CLAUSE_OPERAND): Define.
10833 (struct tree_omp_clause): Declare.
10834 (union tree_node): Add field 'omp_clause'.
10835 * treestruct.def (TS_OMP_CLAUSE): Define.
10836 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10837 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10838 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10839 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10840 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10841 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10842 (OMP_CLAUSE): Define.
10843 * print-tree.c (print_node): Handle OMP_CLAUSE.
10844 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10845 * c-typeck.c: Likewise.
10846 * gimplify.c: Likewise.
10847 * c-omp.c: Likewise.
10848 * tree-nested.c: Likewise.
10849 * tree-inline.c: Likewise.
10850 * c-parser.c: Likewise.
10851 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10854 2006-01-25 Roger Sayle <roger@eyesopen.com>
10856 PR rtl-optimization/25703
10857 * combine.c (try_combine): Handle zero_extract and strict_low_part
10858 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10860 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10862 * global.c: Fix comment typos.
10864 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10867 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10868 Use output_addr_const instead of assemble_name.
10870 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10872 * Makefile.in (sched-vis.o): Update dependencies.
10873 * haifa-sched.c (sched_finish): Clear current_sched_info.
10874 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10875 (dump_flow_info): Call it.
10876 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10878 * basic-block.h (dump_bb_info): Declare.
10879 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10880 option, and apply options only for dump files whose TDF_RTL,
10881 TDF_TREE, or TDF_IPA bits match.
10882 * rtl.h: Declare new functions exported from sched-vis.c.
10883 * sched-vis.c: Enable also if scheduling is not used.
10884 (print_value): Print the mode of registers if not inside scheduling.
10885 (print_insn): Make it work outside the scheduler. Beautify the output
10887 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10889 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10891 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10892 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10893 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10894 depending on the value of CONSTANT_POOL_ADDRESS_P.
10895 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10897 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10898 rather than SYMBOL_REF_DECL.
10899 (rtx_constant_pool): Remove const_rtx_sym_htab.
10900 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10901 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10902 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10903 Remove handling of const_rtx_sym_htab.
10904 (find_pool_constant): Delete.
10905 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10906 rather than find_pool_constant.
10907 (get_pool_constant_for_function): Delete.
10908 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10909 find_pool_constant.
10910 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10911 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10912 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10913 (SYMBOL_REF_CONSTANT): New macro.
10914 (get_pool_constant_for_function): Delete.
10915 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10916 rather than SYMBOL_REF_DECL.
10917 (i386_pe_mark_dllimport): Likewise.
10918 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10919 rather than SYMBOL_REF_DECL.
10920 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10921 (machopic_indirect_call_target): Likewise.
10923 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10925 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10927 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10929 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10931 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10933 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10935 2006-01-24 David Daney <ddaney@avtrex.com>
10938 * configure.ac (enable_tls): New enable option.
10939 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10940 * configure: Regenerate.
10941 * doc/install.texi (--enable-tls): Document new option.
10942 (--disable-tls): Ditto.
10944 2006-01-24 Richard Henderson <rth@redehat.com>
10946 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10947 * alias.c (true_dependence): Respect it.
10948 (canon_true_dependence, write_dependence_p): Likewise.
10949 * builtins.c (get_builtin_sync_mem): Set it.
10951 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10953 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10956 2006-01-24 DJ Delorie <dj@redhat.com>
10958 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10959 for storing constants in single-bit bitfields.
10961 2006-01-25 Ben Elliston <bje@au.ibm.com>
10963 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10965 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10968 * tree-ssa-pre.c (phi_translate): Return NULL
10969 for AGGREGATE_TYPE's.
10971 2006-01-24 Zack Weinberg <zackw@panix.com>
10973 * genautomata.c (process_state_for_insn_equiv_partition):
10974 Use xcalloc for insn_arcs_array.
10975 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10976 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10978 2006-01-24 Richard Henderson <rth@redhat.com>
10980 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10981 update all callers.
10983 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10985 PR rtl-optimization/25890
10986 PR rtl-optimization/25905
10987 * combine.c (expand_compound_operation, expand_field_assignment):
10988 Fail if the bitfield's final position is out of bounds.
10990 2006-01-24 Ian Lance Taylor <ian@airs.com>
10992 PR middle-end/25930
10993 * cgraphunit.c (cgraph_output_in_order): Don't clear
10994 cgraph_asm_nodes until after asm strings have been output.
10996 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10998 * fix-header.c (read_scan_file): Add new parameter imultilib when
10999 calling register_include_chains.
11001 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11003 * omp-low.c: Update documentation.
11005 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11006 Daniel Berlin <dberlin@dberlin.org>
11010 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11011 return from the function.
11013 2006-01-22 Zack Weinberg <zackw@panix.com>
11015 * rtl.def (match_code): Add second argument.
11016 * genpreds.c (write_extract_subexp): New function.
11017 (write_match_code): Add path argument. Use write_extract_subexp.
11018 (write_predicate_expr): Pass path to write_match_code.
11019 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11020 not perform a mode test.
11021 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11022 a subexpression does not constrain the top-level code set.
11023 * read-rtl.c (read_rtx_variadic): New function.
11024 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11025 * doc/md.texi: Document new notation.
11026 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11027 (cmpsi_operand): ... here, using new notation.
11029 2006-01-22 Zack Weinberg <zackw@panix.com>
11031 * varray.c: Remove GENERATOR_FILE #ifdefs.
11033 2006-01-22 Zack Weinberg <zackw@panix.com>
11035 * genautomata.c (output_reserved_units_table): Emit nothing if
11036 description->query_units_num is zero. Remove extra blank line.
11037 (output_cpu_unit_reservation_p): Short circuit
11038 if description->query_units_num is zero.
11040 2006-01-22 Zack Weinberg <zackw@panix.com>
11042 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11043 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11044 nor any of the random handful of variables that used to be necessary
11045 when this program was linked with rtlanal.o. Prune set of forward
11046 function declarations.
11047 (struct attr_desc): Remove static_p field.
11048 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11049 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11050 (attr_string): Do not read the character one past the length of
11052 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11053 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11054 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11055 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11056 (make_automaton_attrs): New.
11057 (main): Do not call into genautomata. Call local gen_bypass
11058 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11059 Remove special case for insn_alts.
11060 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11061 varray.h (leftover from previous change). Prune set of forward
11062 function declarations. Remove state_alts fields from all
11063 structures. Remove state_alts_table from struct automaton.
11064 Make everything except main static. Do not maintain num_dfa_decls.
11065 Do not maintain state_alts fields of various structures.
11066 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11067 (add_arc): Remove state_alts argument. All callers updated.
11068 (output_reserved_units_table): Emit #ifdef here...
11069 (output_tables): ...not here. Don't generate state_alts tables.
11070 (expand_automata): Don't generate attributes.
11071 (write_automata): Don't generate state_alts functions.
11072 (main): New function.
11073 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11074 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11075 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11076 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11077 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11078 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11079 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11080 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11082 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11083 * genattrtab.h: Delete file.
11084 * Makefile.in (OBJS-common): Add insn-automata.o.
11085 (insn-automata.o): New rule.
11086 (simple_generated_c): Add insn-automata.c.
11087 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11088 (genprogmd): Add automata.
11089 (build/genattrtab): Needs no extra objects nor libraries.
11090 (build/genautomata): Needs build/vec.o and -lm.
11092 2006-01-22 Zack Weinberg <zackw@panix.com>
11094 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11095 (output_dfa_max_issue_rate, locked_states_num): Delete.
11096 (struct automaton): Add locked_states field.
11097 (output_dead_lock_vect): Save number of locked states in
11098 automaton->locked_states. If it is zero, don't print anything.
11099 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11100 (output_internal_dead_lock_func): Only test the dead_lock_vect
11101 for automata that have locked states.
11102 (output_statistics): Always print the number of locked states for
11103 each automaton. Calculate total number of locked states here.
11104 (write_automata): Don't call output_dfa_max_issue_rate.
11105 * genattrtab.c: Define length_unit_log as a const variable.
11106 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11107 max_insn_queue_index const.
11108 * final.c (length_unit_log): Declare const.
11109 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11111 2006-01-22 Zack Weinberg <zackw@panix.com>
11113 * genautomata.c: Include vec.h, not varray.h.
11114 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11115 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11116 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11117 VEC_* macros operating on appropriately typed vectors, or to
11118 malloced arrays when the size is known in advance. Const-ify
11119 many char* variables and function arguments. No functional changes.
11120 * Makefile.in (build/varray.o): Delete rule.
11121 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11122 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11124 2006-01-22 Zack Weinberg <zackw@panix.com>
11126 * gensupport.c: Define get_insn_name and record_insn_name here.
11127 (read_md_rtx): Call record_insn_name as appropriate.
11128 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11129 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11130 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11132 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11133 (BUILD_VARRAY): Delete.
11134 (genprognormal): Rename genprogmd. Fold in all programs from
11135 genprognoprint; also attrtab.
11136 (build/genattrtab): Just mention genautomata.o and varray.o.
11137 Reorganize a bit, add comments to make the categories clearer.
11139 2006-01-22 Zack Weinberg <zackw@panix.com>
11141 * genconditions.c (condition_table, add_condition): Delete.
11142 (write_conditions): Don't emit n_insn_conditions nor
11143 insn_elision_unavailable. Issue the gcc version #ifdef here,
11144 inside the table, with no #else clause ...
11145 (write_header): ...not here.
11146 (write_writer): New function.
11147 (main): Don't initialize condition_table. Use add_c_test.
11149 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11150 files on the command line.
11151 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11152 Return -1 if there is no entry in the table, don't abort.
11153 (add_c_test, traverse_c_tests): New functions.
11154 * gensupport.h (insn_elision_unavailable, insn_conditions)
11155 (n_insn_conditions): Delete declarations.
11156 (add_c_test, traverse_c_tests): Declare.
11157 * read-rtl.c: Include gensupport.h.
11158 (read_conditions): New function.
11159 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11160 (read_rtx_1): If we get EOF when we were looking for an initial
11161 open paren, return 0. Call read_conditions when appropriate.
11162 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11163 dummy-conditions.o. Eliminate references to insn-conditions.o,
11164 or change them to build/gencondmd.o, as appropriate. Remove
11165 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11166 from $(simple_generated_c). For all files remaining in those
11167 two lists, add insn-conditions.md to the generator command line.
11168 Give insn-constants.h/s-constants their own rules. Add rules
11169 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11170 (build/read-rtl.o): Depend on gensupport.h.
11171 (genprognormal): Include preds.
11172 (genprogearly): Rename genprognoprint; only difference is now that
11173 they don't link with $(BUILD_PRINT).
11174 * dummy-conditions.c: Delete.
11176 2006-01-22 Zack Weinberg <zackw@panix.com>
11178 * genextract.c: Don't include insn-config.h. Do include vec.h.
11179 Declare vectors of int, char, and locstr.
11180 (locstr): New typedef.
11181 (struct extraction): Make all array fields into bare pointers.
11182 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11183 (insn_code_number): Delete.
11184 (accum_extract): New struct.
11185 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11186 (gen_insn): Take insn_code_number as an argument. Use an
11187 accum_extract structure instead of loading data directly into
11188 a struct extraction, and having to know how big it might get.
11189 (walk_rtx): Operate entirely on an accum_extract structure.
11190 (print_path): Avoid unnecessary use of printf.
11191 (print_header): New function, split out of main. Distinguish
11192 more carefully between an unrecognizable insn and an insn that
11193 has the code number of a define_expand.
11194 (main): Pass insn_code_number to gen_insn. Call print_header
11195 only after parsing. Avoid unnecessary use of printf.
11196 * Makefile.in (build/vec.o): New rule.
11197 (build/genextract): Depend on build/vec.o.
11198 (build/genextract.o): Don't depend on insn-config.h.
11200 2006-01-22 Zack Weinberg <zackw@panix.com>
11202 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11203 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11204 practical. Eliminate per-generator-program link rules.
11206 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11208 PR middle-end/24437
11209 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11210 with a call expr to ...
11211 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11213 2006-01-23 Richard Guenther <rguenther@suse.de>
11215 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11216 before make_edge with conditional EDGE_TRUE_VALUE.
11218 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11219 Jan Hubicka <jh@suse.cz>
11220 Richard Guenther <rguenther@suse.de>
11222 PR rtl-optimization/25654
11223 * cfgexpand.c (aggregate_contains_union_type): New function.
11224 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11225 for structure variables that contain a union type.
11227 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11229 * gengtype.c (new_structure): Return the structure.
11230 (create_option): Add an extra "next" argument.
11231 (create_field): New function.
11232 (adjust_field_rtx_def): Use create_option and create_field.
11233 Remove a now-unnecessary call to find_structure.
11234 (adjust_field_tree_def): Likewise.
11235 (note_yacc_type): Remove an unnecessary call to find_structure.
11236 * gengtype.h (new_structure): Return the structure.
11237 (create_option): Add an extra argument.
11238 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11239 (option): Adjust calls to create_option.
11241 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11243 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11245 2006-01-22 Paul Brook <paul@codesourcery.com>
11246 Peter Barada <peter@the-baradas.com>
11248 * config/m68k/m68k.md: Add Coldfire FPU support.
11249 Define FP mode macro and associated attributes.
11250 Use it for float mode patterns.
11251 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11252 (LIBCALL_VALUE): Use m68k_libcall_value.
11253 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11254 (m68k_function_value): Ditto.
11255 (emit_move_sequence): Ditto.
11256 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11257 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11258 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11259 (MULTILIB_EXCEPTIONS): Ditto.
11260 * config/m68k/m68k.opt: Add mcfv4e.
11261 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11262 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11263 (m68k_output_function_prologue): Save ColdFire FPU registers.
11264 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11265 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11266 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11267 ColdFire FPU registers.
11268 (m68k_libcall_value, m68k_function_value): New functions.
11269 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11270 (LIBCALL_VALUE): Use m68k_libcall_value.
11271 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11272 (MASK_COLDFIRE): Add MASK_CFV4E.
11273 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11274 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11275 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11276 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11277 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11278 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11279 * doc/invoke.tex: Document -mcfv4e on m68k.
11281 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11283 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11286 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11289 * c-opts.c (c_common_handle_option): Don't include
11290 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11291 * doc/invoke.texi (C++ Dialect Options): Document that
11292 -Wnon-virtual-dtor is no longer included in -Wall.
11294 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11296 * gcov.c (print_version), gcov-dump.c (print_version),
11297 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11300 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11302 * df-scan.c (problem_SCAN): Added NULL reset function.
11303 (df_scan_reset_blocks): Added code to call reset block function
11304 (df_bb_refs_delete) Fixed comment.
11305 (df_insn_refs_delete): Made tolerant of deleting non existent info
11306 for dataflow problems that need to be reset.
11307 * df-core.c (df_set_blocks): Ditto.
11308 * df.h (struct df_problem): Added reset_fun.
11309 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11310 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11311 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11312 functions to clear out all references to def-use or use-def chains.
11314 2006-01-21 Ben Elliston <bje@au.ibm.com>
11316 * varasm.c (assemble_real): Initialise data array.
11318 2006-01-20 Paul Brook <paul@codesourcery.com>
11320 Merge from csl-arm-branch.
11321 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11322 * config/arm/arm.md (movdi): Force operands[1] to a register
11323 if we have a non-register source.
11324 (*arm_movdi, *movdf_soft_insn): Require that one of the
11325 operands be a register.
11326 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11327 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11329 2006-01-20 DJ Delorie <dj@redhat.com>
11331 * varasm.c (initializer_constant_valid_p): Allow pointers
11332 initialized from integer constants of lesser precision.
11333 (output_constant): Allow non-int-sized pointer modes to be
11334 initialized from integer constants.
11336 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11339 * cppdefault.h (struct default_include): Add multilib flag.
11340 * cppdefault.c (cpp_include_defaults): Set it.
11341 * c.opt (-imultilib): New option.
11342 * c-opts.c (imultilib): New.
11343 (c_common_handle_option): Handle -imultilib.
11344 (c_common_post_options): Likewise.
11345 * c-incpath.c (add_standard_paths, register_include_chains):
11347 * c-incpath.h (register_include_chains): Add extra parameter.
11348 * gcc.c (do_spec_1): Generate -imultilib option.
11349 (The Specs Language): Update %I description.
11350 (process_command): Update copyright notice.
11351 * doc/cppopts.texi (-imultilib): Document.
11352 * doc/invoke.texi (-imultilib): Include in option summary.
11353 (%I): Update specs documentation.
11355 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11357 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11359 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11361 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11364 2006-01-20 Richard Guenther <rguenther@suse.de>
11365 Steven Bosscher <stevenb.gcc@gmail.com>
11367 PR rtl-optimization/24626
11368 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11369 EDGE_TRUE_VALUE if in RTL mode.
11372 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11373 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11375 2006-01-20 Dirk Mueller <dmueller@suse.com>
11378 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11379 instead of a special NOP marker.
11380 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11381 NOP marker handling.
11382 * c-common.h (empty_body_warning): Add forward declaration.
11383 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11384 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11386 2006-01-20 Paul Brook <paul@codesourcery.com>
11388 * Makefile.in (lang_checks): Keep going if mkdir fails.
11390 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11392 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11393 be able to clean out basic block when not necessary.
11394 (df_scan_free): Fixed to properly delete information if df is
11395 unused before calling df_finish.
11396 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11397 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11399 (df_bb_refs_delete): New function.
11400 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11401 * df-core.c (df_set_blocks): Added code to properly clean out
11402 unused blocks if they are not part of the blocks to consider.
11403 Added additional null check.
11404 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11405 be able to clean out basic block when not necessary
11406 * df.h (df_free_bb_function): Ditto.
11407 (df_bb_refs_delete): New function.
11408 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11409 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11410 basic block parameter to be able to clean out basic block when not
11412 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11413 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11414 Fixed to properly delete information if df is unused before
11417 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11419 PR rtl-optimization/25799
11420 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11421 Corrected confluence operator to remove bits from op2 before oring
11422 with op1 rather than removing bits from op1.
11423 (df_ru_transfer_function): Corrected test on wrong bitmap which
11424 caused infinite loop. Both of these problems were introduced in
11425 the dataflow rewrite.
11427 2006-01-19 DJ Delorie <dj@redhat.com>
11429 * reload1.c (find_reload_regs): Note the details of reload
11430 failures in the dump file.
11431 (spill_failure): Likewise.
11433 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11435 * loop-iv.c: Include df.h and hashtab.h.
11436 (enum iv_grd_result): New enum.
11437 (DF_REF_IV, DF_REF_IV_SET): New macros.
11438 (struct biv_entry): New.
11439 (df, bivs): New global variables.
11440 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11441 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11443 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11444 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11445 analyzed_for_bivness_p, record_biv): New functions.
11446 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11447 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11448 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11450 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11452 (iv_number_of_iterations): Use new interface to iv analysis.
11453 * loop-unroll.c: Do not include varray.h.
11454 (analyze_iv_to_split_insn): Use new interface to iv
11456 * loop-unswitch.c (may_unswitch_on): Ditto.
11457 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11459 (df_bb_modify): Realloc tables to the new index.
11460 (df_find_use): New function.
11461 * df.h (df_find_use): Declare.
11462 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11464 * cfgloop.h (struct rtx_iv): Remove analysed field.
11465 (iv_get_reaching_def): Removed.
11466 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11467 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11468 (loop-iv.o): Add df.h and hashtab.h dependency.
11469 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11471 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11474 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11476 (__floatundisf, __floatundidf): Likewise.
11477 * libgcc2.h (IS_IBM_EXTENDED): Define.
11479 2006-01-19 DJ Delorie <dj@redhat.com>
11481 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11483 2006-01-19 Paul Brook <paul@codesourcery.com>
11485 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11486 as nothrow when unwinding tables are disabled.
11488 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11491 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11492 of bit-field" when in system header.
11494 2006-01-19 DJ Delorie <dj@redhat.com>
11496 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11497 the 16 bit shift limit of the m16c.
11499 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11502 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11503 * config/i386/i386.c (output_set_got): Output the label if we have one
11504 for the TARGET_DEEP_BRANCH_PREDICTION case.
11506 2006-01-19 Jan Hubicka <jh@suse.cz>
11507 H.J. Lu <hongjiu.lu@intel.com>
11508 Evandro Menezes <evandro.menezes@amd.com>
11510 * invoke.texi (generic): Document
11512 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11513 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11514 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11515 (x86_use_incdec, x86_pad_returns): New variables
11516 (TARGET_CPU_DEFAULT_generic): New constant
11517 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11518 (enum processor_type): Add generic32 and generic64.
11519 * i386.md (cpu attribute): Add generic32/generic64
11520 (movhi splitter): Behave sanely when both partial_reg_dependency and
11521 partial_reg_stall are set.
11522 (K8 splitters): Enable for generic as well.
11523 * predicates.md (incdec_operand): Use TARGET_INCDEC
11524 (aligned_operand): Avoid memory mismatch stalls.
11525 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11526 * ppro.md: Enable for generic32
11527 * i386.c (generic64_cost, generic32_cost): New.
11528 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11529 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11530 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11531 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11532 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11533 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11534 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11535 x86_accumulate_outgoing_args, x86_prologue_using_move,
11536 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11537 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11538 Enable for generic.
11539 (x86_use_incdec, x86_pad_returns): New.
11540 (override_options): Add generic32 and generic64, translate "generic"
11541 to generic32/generic64 and "i686" to "generic32", refuse
11542 "generic32"/"generic64" as arch target.
11543 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11544 (ix86_reorg): Honor PAD_RETURNS.
11546 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11548 * tree-pretty-print.c (dump_generic_node): Handle
11549 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11550 * cgraph.c (cgraph_expand_queue): Rename from
11551 cgraph_analyze_queue. Update all users.
11552 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11553 cgraph_expand_queue.
11554 (cgraph_expand_all_functions): Likewise.
11555 (cgraph_finalize_pending_functions): Remove. Update callers.
11557 * tree.h (OMP_DIRECTIVE_P): Define.
11558 (OMP_PARALLEL_FN): Define.
11559 (OMP_PARALLEL_DATA_ARG): Define.
11560 (OMP_SECTIONS_SECTIONS): Define.
11561 * tree-pass.h (pass_expand_omp): Declare.
11562 * omp-low.c (struct omp_region): Declare.
11563 (struct omp_context): Remove fields 'parallel_type',
11564 'parallel_start_ix' and 'parallel_start_additional_args'.
11566 (struct omp_for_data): Rename from struct expand_omp_for_data.
11567 (omp_regions): New static variable.
11568 (root_omp_region): New static variable.
11569 (find_omp_clause): Make static.
11570 (is_in_combined_parallel_ctx): Remove.
11571 (is_combined_parallel): New.
11572 (extract_omp_for_data): Move earlier in the file.
11573 (workshare_safe_to_combine_p): New.
11574 (get_ws_args_for): New.
11575 (determine_parallel_type): Move earlier in the file.
11576 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11578 (omp_copy_decl): Likewise.
11579 (create_omp_child_function): Likewise.
11580 (lookup_omp_region): New.
11581 (dump_omp_region): New.
11582 (debug_omp_region): New.
11583 (debug_all_omp_regions): New.
11584 (new_omp_region): New.
11585 (scan_omp_parallel): If parallel_nesting_level > 1, the
11586 directive is nested within another parallel directive.
11587 Set OMP_PARALLEL_FN.
11588 (scan_omp_for): Do not try to handle combined parallel+for
11590 Remove FIXME comment.
11591 (scan_omp_nested): Remove.
11592 (scan_omp_1): Do not call scan_omp_nested when
11593 parallel_nesting_level is > 1.
11594 Do not change the DECL_CONTEXT of local variables found.
11595 (lookup_decl_in_outer_ctx): New.
11596 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11597 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11598 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11599 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11600 If CTX is nested, lookup VAR in the outer context when
11601 building copy assignment.
11602 (lower_send_clauses): Rename from expand_send_clauses.
11603 If CTX is nested, lookup VAR in the outer context when
11604 building copy assignments.
11605 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11606 If CTX is nested, lookup VAR in the outer context when
11607 building copy assignments.
11608 (expand_parallel_call): Rename from build_parallel_call.
11609 Handle combined parallel+workshare cases.
11610 Re-implement to emit code into the CFG.
11612 (expand_omp_parallel): Re-implement to emit code into the CFG.
11613 Call move_sese_region_to_fn to outline the sub-graph
11614 containing the parallel region.
11615 (expand_omp_for_1): Remove.
11616 (expand_omp_for_generic): Re-implement to emit code into the
11618 (expand_omp_for_static_nochunk): Likewise.
11619 (expand_omp_for_static_chunk): Likewise.
11620 (expand_omp_for): Likewise.
11621 (expand_omp_sections): Likewise.
11622 (remove_exit_barriers): New.
11623 (expand_omp_synch): New.
11625 (build_omp_regions_1): New.
11626 (build_omp_regions): New.
11627 (execute_expand_omp): New.
11628 (gate_expand_omp): New.
11629 (pass_expand_omp): Define.
11630 (lower_omp_sections): Rename from expand_omp_sections.
11631 Set OMP_SECTIONS_SECTIONS.
11632 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11633 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11634 (lower_omp_single): Rename from expand_omp_simple.
11635 (lower_omp_master): Rename from expand_omp_master.
11636 (lower_omp_ordered): Rename from expand_omp_ordered.
11637 (lower_omp_critical): Rename from expand_omp_critical.
11638 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11639 (lower_omp_for): Re-implement.
11640 (lower_omp_parallel): Re-implement.
11641 (lower_regimplify): Rename from expand_regimplify.
11642 (lower_omp_1): Rename from expand_omp_1.
11643 If there are syntax errors in the program, replace every
11644 OpenMP directive with NOP.
11645 Call lower_omp_* instead of expand_omp_*.
11646 (lower_omp): Rename from expand_omp.
11648 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11649 * tree-gimple.h (enum omp_parallel_type): Remove.
11650 (gimple_boolify): Declare extern.
11651 (find_omp_clause, determine_parallel_type): Remove.
11653 * gimple-low.c (lower_omp_directive): New.
11654 (lower_stmt): Call it.
11655 (record_vars_into): Move from ...
11656 (record_vars): ... here.
11657 Call record_vars_into with current_function_decl.
11659 * gimplify.c (struct gimplify_ctx): Remove fields
11660 combined_pre_p and combined_ctxp. Update users.
11661 (get_formal_tmp_var): Add documentation.
11662 (gimple_boolify): Make extern.
11663 (gimplify_expr_in_ctx): Remove. Update callers.
11664 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11665 will always be a BIND_EXPR.
11666 (gimplify_expr): Handle OMP_RETURN_EXPR.
11667 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11668 (OMP_PARALLEL): Add 3 operands.
11669 (OMP_SECTIONS): Add 1 operand.
11670 (OMP_RETURN_EXPR): Define.
11672 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11673 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11674 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11675 creating a circular free list.
11676 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11678 * tree-flow.h (move_sese_region_to_fn): Declare.
11679 (record_vars_into): Declare.
11680 * tree-cfg.c (make_omp_sections_edges): New.
11681 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11682 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11683 OMP_SECTIONS and OMP_SECTION.
11684 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11685 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11686 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11687 (gather_blocks_in_sese_region): New.
11688 (struct move_stmt_d): Declare.
11689 (move_stmt_r): New.
11690 (move_block_to_fn): New.
11691 (move_sese_region_to_fn): New.
11693 * passes.c (init_optimization_passes): Schedule
11694 pass_expand_omp after pass_init_datastructures.
11696 * tree-ssa-operands.c (get_expr_operands): Handle
11697 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11698 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11700 2006-01-19 Jeff Law <law@redhat.com>
11702 * tree-vrp.c (extract_range_from_assert): Refine the result range
11703 if the variable referenced by the ASSERT_EXPR has a range and
11704 either the tentative result range or the previous range is a
11707 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11709 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11711 2006-01-19 Jan Hubicka <jh@suse.cz>
11713 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11715 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11717 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11718 (expand_compound_operation, expand_field_assignment): Fail if the
11719 bit lengths of an extract operation are out of range.
11720 (make_extraction): Compute wanted_inner_mode based on the position
11721 and length of the extraction. Make it extraction_mode for non-constant
11722 positions, and do not modify offset in that case. When generating a
11723 new MEM, use a mode that can hold the extraction while keeping correct
11724 alignment. Remove code that supported MEMs wrapped by USEs.
11725 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11727 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11729 * config/s390/s390.md ("Y", "y"): New mode attribute.
11730 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11731 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11732 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11733 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11734 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11735 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11736 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11737 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11738 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11739 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11740 "addsi3", "subsi3"): Insn patterns removed.
11741 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11742 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11743 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11744 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11745 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11746 "*sub<mode>3_cconly2"): New insn patterns.
11747 ("addsi3", "subsi3"): New expanders.
11749 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11751 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11752 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11753 existing STMT_VINFO_VECTYPE if available.
11754 (vect_mark_relevant): Add special handling for stmts that are
11755 marked as STMT_VINFO_IN_PATTERN_P.
11756 (vect_analyze_loop): Call vect_pattern_recog.
11757 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11758 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11760 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11761 (vect_recog_func_ptr): New function-pointer type.
11762 * tree-vect-patterns.c: New file.
11763 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11764 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11765 (vect_pattern_recog_1): New functions.
11766 (vect_pattern_recog_funcs): New array of function pointers.
11768 * tree-vectorizer.h (ternary_op): New enum value.
11769 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11770 declaration. Revised documentation. Removed redundant dump prints.
11771 Removed redundant argument. Added support for reduction patterns.
11772 (vectorizable_reduction): Added support for reduction patterns.
11773 (vect_transform_stmt): Added support for patterns.
11775 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11776 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11777 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11778 (expand_widen_pattern_expr): New function.
11779 (init_optabs): Initialize new optabs udot_prod_optab,
11781 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11782 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11783 (expand_widen_pattern_expr): New function declaration.
11784 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11786 * tree-inline.c (estimate_num_insns_1): Added cases for new
11787 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11788 * tree-pretty-print.c (dump_generic_node): Likewise.
11789 (op_prio): Likewise.
11790 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11791 * tree-ssa-operands.c (get_expr_operands): Added case for
11793 * tree-vect-patterns.c (widened_name_p): New function.
11794 (vect_recog_dot_prod_pattern): Added function implementation.
11795 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11796 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11797 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11798 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11800 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11801 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11802 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11803 (init_optabs): Initialize new optabs widen_ssum_optab,
11805 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11806 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11807 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11808 use instead of type of def.
11809 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11810 function implementation.
11811 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11812 widen_ssumv8hi): New.
11814 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11817 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11820 * c-decl.c (add_flexible_array_elts_to_size): New function.
11821 (finish_decl): Use it.
11823 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11825 * diagnostic.h: Include options.h.
11826 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11827 dependancies for diagnostic.h.
11828 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11830 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11832 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11833 (ssa_ro_call_cache_valid): Ditto.
11834 * tree-ssa-alias.c (sort_tags_by_id): New function.
11835 (init_transitive_clobber_worklist): Ditto.
11836 (add_to_worklist): Ditto.
11837 (mark_aliases_call_clobbered): Ditto.
11838 (compute_tag_properties): Ditto.
11839 (set_initial_properties): Ditto.
11840 (compute_call_clobbered): Ditto.
11841 (compute_may_aliases): Call compute_call_clobbered and grouping.
11842 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11843 (compute_flow_insensitive_aliasing): Grouping now happens in our
11845 (setup_pointers_and_addressables): Remove clobbering related code.
11846 (add_may_alias): Ditto.
11847 (replace_may_alias): Ditto.
11848 (get_nmt_for): Ditto.
11849 (create_global_var):
11850 (is_escape_site): Return an escape_type enumeration.
11851 * tree-flow-inline.h (is_call_clobbered): Global var does not
11852 imply call clobbered.
11853 (mark_call_clobbered): Take a reason for marking this. Remove
11854 marking of globalness, and cache invalidation.
11855 (clear_call_clobbered): Remove cache invalidation code.
11856 * tree-dfa.c (dump_variable): If details is on, dump the reason
11858 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11860 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11861 (struct var_ann_d): Ditto.
11862 (enum escape_type): New.
11863 (mark_call_clobbered): Adjust prototype.
11864 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11865 are never call clobbered.
11866 Record reasons for escaping.
11867 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11868 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11869 (ssa_ro_call_cache_valid): Ditto.
11870 (clobbered_v_may_defs): Ditto.
11871 (clobbered_vuses): Ditto.
11872 (ro_call_vuses): Ditto.
11873 (clobber_stats): New.
11874 (init_ssa_operands): Zero out clobber stats.
11875 (fini_ssa_operands): Print out clobber stats.
11876 (get_call_expr_operands): Pass callee fndecl to
11877 add_call_read_ops).
11878 (add_call_clobber_ops): Remove use of cache.
11879 Add use of PURE_CONST information.
11880 (add_call_read_ops): Remove use of cache.
11881 Add use of static not_read information.
11883 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11885 Introduce TLS descriptors for i386 and x86_64.
11886 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11887 (TARGET_ANY_GNU_TLS): New macro.
11888 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11889 (struct machine_function): Add tls_descriptor_call_expanded_p.
11890 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11891 (ix86_current_function_calls_tls_descriptor): Likewise.
11892 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11893 (override_options): Introduce gnu2 tls dialect.
11894 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11896 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11898 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11899 (ix86_init_machine_status): Initialize new field.
11900 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11901 (ix86_tls_module_base): New.
11902 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11903 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11904 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11905 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11906 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11907 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11908 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11909 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11910 * config/i386/predicates.md (tls_modbase_operand): New.
11911 (tp_or_register_operand): New.
11913 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11915 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11916 (look_for_address_of): Ditto.
11917 (ipa_init): Walk the function decls.
11918 (static_execute): Don't set readonly on FUNCTION_DECL's.
11920 2006-01-18 Roger Sayle <roger@eyesopen.com>
11922 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11923 for shifts where the source and destination registers are different.
11925 2006-01-18 Paul Brook <paul@codesourcery.com>
11927 Merge from csl-arm-branch.
11928 2005-03-14 Julian Brown <julian@codesourcery.com>
11929 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11930 (aeabi_llsl): Likewise.
11931 (ashrdi3): Likewise.
11932 (aeabi_lasr): Likewise.
11933 (lshrdi3): Likewise.
11934 (aeabi_llsr): Likewise.
11935 2005-03-10 Julian Brown <julian@codesourcery.com>
11936 * config.gcc: Disable shared libgcc for SymbianOS.
11937 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11939 2006-01-18 DJ Delorie <dj@redhat.com>
11941 * c-pragma.c (handle_pragma_diagnostic): New.
11942 (init_pragma): Register it.
11943 * doc/extend.texi: Document it.
11945 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11946 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11947 (diagnostic_context): Add classify_diagnostic[].
11948 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11949 as errors if they're overridden to DK_WARNING.
11950 (diagnostic_initialize): Initialize classify_diagnostic[].
11951 (diagnostic_set_kind_override): New.
11952 (diagnostic_report_diagnostic): Check for kind changes.
11953 * opts.c (common_handle_option): Take lang_mask. Update callers.
11954 Handle OPT_Werror_.
11955 * common.opt (Werror=): New.
11956 * doc/invoke.texi: Document -Werror=*
11958 2006-01-18 Jeff Law <law@redhat.com>
11960 * tree-vrp.c (test_for_singularity): Correct test for new
11961 min limit. Use operand_equal_p rather than pointer equality
11962 for testing if new min/max values are equal.
11964 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11965 using range information until after propagation and folding.
11967 2006-01-18 Richard Henderson <rth@redhat.com>
11968 Aldy Hernandez <aldyh@redhat.com>
11969 Jakub Jelinek <jakub@redhat.com>
11970 Diego Novillo <dnovillo@redhat.com>
11972 * omp-low.c: New file.
11973 * c-omp.c: New file.
11975 2006-01-18 Richard Henderson <rth@redhat.com>
11976 Jakub Jelinek <jakub@redhat.com>
11977 Diego Novillo <dnovillo@redhat.com>
11979 * doc/invoke.texi: Document -fopenmp.
11980 * tree-dump.h (debug_function): Declare.
11981 * hooks.c (hook_bool_tree_bool_false): New function.
11982 (hook_tree_tree_null): Remove.
11983 (hook_tree_tree_tree_null): New.
11984 * hooks.h: Update to match.
11985 * tree-pretty-print.c (debug_tree_chain): New.
11986 (print_generic_expr): Handle TDF_CHAIN.
11987 (dump_generic_node): Handle BLOCK.
11988 Do not abort with incomplete SWITCH_EXPRs.
11989 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11990 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11991 print space after directive name.
11992 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11993 Handle OMP_MASTER and OMP_ORDERED.
11994 Handle printing of OMP_BODY just in one place, goto
11995 dump_omp_body in the rest of OMP_* nodes that have
11997 Don't handle clause nodes here. Update omp statements to
11998 use dump_omp_clauses.
11999 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12000 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12001 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12002 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12003 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12004 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12005 Adjust output for GOMP_PARALLEL.
12006 (dump_omp_clauses): New.
12007 (print_declaration): Dump DECL_VALUE_EXPR.
12008 (op_symbol_1): Split out of op_symbol.
12009 (dumping_stmts): Remove. Update all users.
12010 * cgraph.c (cgraph_analyze_queue): New.
12011 (cgraph_add_new_function): New.
12012 * cgraph.h (cgraph_analyze_queue): Declare.
12013 (cgraph_add_new_function): Declare.
12014 (cgraph_lower_function): Remove.
12015 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12016 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12017 and TYPE_P nodes in its default clause.
12018 (empty_body_p): New.
12019 (tree_range_check_failed): New.
12020 (build5_stat): New.
12021 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12022 OMP_CLAUSE_REDUCTION_MERGE,
12023 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12024 OMP_CLAUSE_PRIVATE_DEBUG,
12025 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12026 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12027 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12028 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12029 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12030 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12031 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12032 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12033 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12034 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12035 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12036 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12037 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12038 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12039 (TREE_RANGE_CHECK): New.
12040 (empty_body_p): Declare.
12041 (enum omp_clause_default_kind): New.
12042 (build_string_literal): Declare.
12043 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12044 (build5_stat, build5): Declare.
12045 * tree-pass.h (TDF_CHAIN): Define.
12046 * tree-pass.h (PROP_gimple_lomp): Define.
12047 (pass_lower_omp): Declare.
12048 * diagnostic.h (debug_tree_chain): Declare.
12049 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12051 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12052 * builtins.c (build_string_literal): Make extern.
12053 * gcc.c (include_spec_function): New.
12054 (static_spec_functions): Add it.
12055 (main): Move load of libgomp.spec ...
12056 (LINK_COMMAND_SPEC): ... here.
12057 (link_gomp_spec): New.
12058 (static_specs): Include it.
12059 (LINK_COMMAND_SPEC): Add link_gomp.
12060 (GOMP_SELF_SPECS): New.
12061 (driver_self_specs): Include it.
12062 (switch_matches): Don't mark inline.
12063 (main): Load libgomp.spec.
12064 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12065 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12066 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12067 * tree-gimple.h (enum omp_parallel): Declare.
12068 (determine_parallel_type): Declare.
12069 (omp_firstprivatize_variable): Declare.
12070 (omp_reduction_init): Declare.
12071 (diagnose_omp_structured_block_errors): Declare.
12072 (struct walk_stmt_info): Add want_return_expr.
12073 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12074 (find_omp_clause): Declare.
12075 (insert_field_into_struct): Declare.
12076 (struct walk_stmt_info): Move from tree-nested.c
12077 (walk_stmts): Declare.
12078 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12080 * cgraphunit.c (cgraph_lower_function): Make static.
12081 (cgraph_finalize_pending_functions): New.
12082 (cgraph_finalize_function): Call it.
12083 (cgraph_finalize_compilation_unit): Likewise.
12084 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12085 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12086 (BT_FN_UINT_UINT): New.
12087 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12088 DEF_FUNCTION_TYPE_VAR_4): Document.
12089 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12090 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12091 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12092 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12093 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12094 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12095 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12096 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12097 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12098 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12099 into separate files.
12100 (DEF_GOMP_BUILTIN): New.
12101 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12102 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12103 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12104 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12105 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12106 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12107 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12108 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12109 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12110 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12111 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12112 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12113 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12114 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12115 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12116 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12117 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12118 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12119 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12120 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12121 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12122 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12123 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12124 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12125 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12126 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12127 * sync-builtins.def: New file, moved from builtins.def.
12128 * omp-builtins.def: New file, moved from builtins.def.
12129 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12130 * gimple-low.c (lower_function_body): Clear data.
12131 (lower_stmt): Do not handle COMPOUND_EXPR.
12132 Remove call to print_node_brief.
12133 * c-tree.h (c_finish_omp_clauses): New prototype.
12134 (C_DECL_THREADPRIVATE_P): Define.
12135 (lookup_name_no_remap, c_omp_remap_private): Remove
12136 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12137 (check_for_loop_decls): Update decl.
12138 (lookup_name_no_remap, c_omp_remap_private): Declare.
12139 (build_indirect_ref, build_modify_expr, pushdecl,
12140 pushdecl_top_level): Move to c-common.h.
12141 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12142 before the switch, but just in the 2 places that need it.
12143 * c-decl.c (diagnose_mismatched_decls): Do not check for
12144 mismatched thread-local attributes when OLDDECL is marked
12145 threadprivate and NEWDECL has no thread-local attributes.
12146 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12147 (c_gimple_diagnostics_recursively): Rename from
12148 c_warn_unused_result_recursively. Invoke
12149 diagnose_omp_structured_block_errors.
12150 (check_for_loop_decls): Return a singular decl found.
12151 * langhooks.c (lhd_omp_predetermined_sharing): Return
12152 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12153 (lhd_omp_firstprivatize_type_sizes): New.
12154 (lhd_omp_assignment): New.
12155 (lhd_omp_predetermined_sharing): New.
12156 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12157 (struct lang_hooks_for_types): Add
12158 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12159 omp_predetermined_sharing, omp_disregard_value_expr,
12160 omp_private_debug_clause, omp_clause_default_ctor,
12161 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12162 (c_finish_omp_clauses): New.
12163 (c_finish_bc_stmt): Diagnose break within omp for.
12164 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12165 (build_unary_op): Return error_mark after reporting
12167 (build_modify_expr): Likewise.
12168 * gimplify.c: Include optabs.h and pointer-set.h.
12169 (enum gimplify_omp_var_data): Declare.
12170 (struct gimplify_omp_ctx): Declare.
12171 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12173 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12174 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12175 (splay_tree_compare_decl_uid): New.
12176 (new_omp_context): New.
12177 (delete_omp_context): New.
12178 (gimple_add_tmp_var): Call omp_add_variable.
12179 (gimplify_bind_expr): Likewise.
12180 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12181 true, disregard DECL_VALUE_EXPR on the decl if any.
12182 (gimplify_expr_in_ctx): New.
12183 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12184 omp_add_variable, omp_notice_variable, omp_is_private
12185 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12186 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12187 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12188 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12189 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12190 gimplify_omp_atomic): New.
12191 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12192 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12193 OMP_CRITICAL and OMP_ATOMIC.
12194 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12195 * c-pragma.h (enum pragma_kind): Add
12196 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12197 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12198 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12199 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12200 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12201 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12202 PRAGMA_OMP_THREADPRIVATE.
12203 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12204 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12205 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12206 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12207 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12208 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12209 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12210 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12211 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12212 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12213 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12214 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12215 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12217 (struct nesting_info): Add field_map,
12218 suppress_expansion, debug_var_chain.
12219 (create_nesting_tree): Initialize them.
12220 (lookup_field_for_decl): Use field_map.
12221 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12222 (convert_local_omp_clauses): New.
12223 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12224 (walk_body): Split out of walk_function.
12225 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12226 (convert_nonlocal_reference): Handle omp statements.
12227 (convert_local_reference): Likewise.
12228 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12229 (unnest_nesting_tree): New.
12230 (lower_nested_functions): Call it.
12231 (insert_field_into_struct): Make extern.
12232 (struct walk_stmt_info): Move to tree-gimple.h.
12233 (walk_stmts): Make extern.
12234 * omp-builtins.def: New file.
12235 * tree-iterator.c (expr_only): Clarify comment.
12236 * c-common.h (pushdecl_top_level, pushdecl,
12237 build_modify_expr, build_indirect_ref,
12238 c_finish_omp_master, c_finish_omp_critical,
12239 c_finish_omp_ordered, c_finish_omp_barrier,
12240 c_finish_omp_atomic, c_finish_omp_flush,
12241 c_finish_omp_for, c_split_parallel_clauses,
12242 omp_clause_default_kind, c_omp_sharing_predetermined,
12243 c_omp_remap_decl): Declare.
12244 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12245 (OBJS-common): Add omp-low.o.
12246 (c-omp.o, omp-low.o): Add.
12247 (gimplify.o): Add dependency on $(OPTABS_H).
12248 (GTFILES): Add omp-low.c.
12249 (gt-stringpool.h): Add.
12250 * tree-cfg.c (set_bb_for_stmt): Do not update the
12251 block-to-labels map if we are currently expanding to RTL.
12252 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12254 Handle IDENTIFIER_NODE.
12255 (tree_verify_flow_info): Do not ICE when emitting error
12256 messages about invalid labels.
12257 (dump_function_to_file): Reset CFUN before emitting the body
12259 (debug_function): New.
12260 * passes.c (init_optimization_passes): Schedule
12262 * langhooks-def.h (lhd_omp_predetermined_sharing,
12263 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12265 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12266 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12267 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12268 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12269 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12270 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12271 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12272 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12273 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12274 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12275 (LANG_HOOK_DECLS): Use them.
12277 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12278 Richard Henderson <rth@redhat.com>
12279 Jakub Jelinek <jakub@redhat.com>
12280 Diego Novillo <dnovillo@redhat.com>
12282 * c-parser.c (pragma_omp_clause): Define.
12283 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12284 (c_parser_compound_statement): Likewise.
12285 (c_parser_statement): Likewise.
12286 (c_parser_pragma): Handle omp pragmas.
12287 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12288 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12289 (c_parser_omp_clause_name, check_no_duplicate_clause,
12290 c_parser_omp_variable_list,
12291 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12292 c_parser_omp_clause_copyprivate,
12293 c_parser_omp_clause_default,
12294 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12295 c_parser_omp_clause_lastprivate,
12296 c_parser_omp_clause_nowait,
12297 c_parser_omp_clause_num_threads,
12298 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12299 c_parser_omp_clause_reduction,
12300 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12301 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12302 c_parser_omp_atomic, c_parser_omp_barrier,
12303 c_parser_omp_critical, c_parser_omp_flush,
12304 c_parser_omp_for_loop, c_parser_omp_for,
12305 c_parser_omp_master, c_parser_omp_ordered,
12306 c_parser_omp_sections_scope, c_parser_omp_sections,
12307 c_parser_omp_parallel, c_parser_omp_single,
12308 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12309 * c-pragma.c (init_pragma): Do omp pragma registration here.
12310 * c.opt (fopenmp): New flag.
12312 2006-01-18 Eric Christopher <echristo@apple.com>
12314 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12315 * config/darwin.h (GOMP_SELF_SPECS): Define.
12317 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12319 * rtl.h: Remove the prototype for reg_alloc.
12321 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12324 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12325 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12326 sjlj and dwarf2 exception handling.
12327 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12328 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12329 * pa/pa.c (function_value): Treat complex and vector types as
12331 (function_arg): Likewise. Only pass scalar floats in the floating
12332 point argument registers.
12333 * pa/t-slibgcc-dwarf-ver: New file.
12334 * pa/t-slibgcc-sjlj-ver: New file.
12335 * pa/t-slibgcc-elf-ver: Delete file.
12337 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12339 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12340 unlikely_test_section_p test.
12342 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12344 * mode-switching.c (optimize_mode_switching): Make it static.
12345 * basic-block.h: Remove the prototype for
12346 optimize_mode_switching.
12348 * modulo-sched.c (sms_schedule): Make it static.
12349 * rtl.h: Remove the prototype for sms_schedule.
12351 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12352 * rtl.h: Remove the prototype for gcse_after_reload_main.
12354 * reg-stack.c (reg_to_stack): Make it static.
12355 * rtl.h: Remove the prototype for reg_to_stack.
12357 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12359 * rtl.h: Remove the prototypes for regrename_optimize and
12360 copyprop_hardreg_forward.
12362 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12364 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12365 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12366 Test against the appropriate null constant for the mode.
12367 If 'fixup_overlap' is true, swap the operands if they overlap.
12368 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12369 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12370 alpha_split_tmode_pair and adjust for above change.
12371 * config/alpha/alpha.md (movtf_internal): Adjust call to
12372 alpha_split_tfmode_pair and rely on it to swap the operands.
12373 (movti_internal): New insn and post-reload splitter.
12374 (movti): New expander.
12376 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12378 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12381 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12383 * rtlanal.c (global_reg_mentioned_p_1,
12384 global_reg_mentioned_p): Remove.
12385 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12387 * flow.c (initialize_uninitialized_subregs): Make it static.
12388 * rtl.h: Remove the prototype for
12389 initialize_uninitialized_subregs.
12391 * function.c (instantiate_virtual_regs): Make it static.
12392 * function.h: Remove the prototype for
12393 instantiate_virtual_regs.
12395 * regmove.c (regmove_optimize, combine_stack_adjustments):
12397 * rtl.h: Remove the prototypes for regmove_optimize and
12398 combine_stack_adjustments.
12400 2006-01-17 Roger Sayle <roger@eyesopen.com>
12402 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12403 (size_cost): Encode costs in bytes so that a reg-reg addition is
12404 equivalent to COSTS_N_INSNS(1).
12405 (override_options): Use the size_cost.branch_cost as the default
12406 ix86_branch_cost when optimizing for size.
12408 2006-01-18 Ben Elliston <bje@au.ibm.com>
12410 * Makefile.in (D32PBIT_FUNCS): New.
12411 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12412 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12413 D64PBIT_FUNCS and D128PBIT_FUNCS.
12414 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12415 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12417 (decnumber_dep): Define.
12418 * doc/libgcc.texi (Decimal float library routines): New node.
12419 * config/dfp-bit.h, config/dfp-bit.c: New files.
12421 2006-01-18 Ben Elliston <bje@au.ibm.com>
12423 * expr.c (emit_move_change_mode): Always adjust addresses, not
12424 just during reload. Copy replacements only during reload.
12425 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12426 emit_move_via_integer.
12428 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12430 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12431 instead of $(srcdir) and ${srcdir}.
12433 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12436 PR middle-end/11135
12437 * arm.h (struct machine_function): Add pic_reg.
12438 * arm.c (arm_pic_register): Make unsigned.
12439 (arm_override_options): Only set arm_pic_register if
12440 TARGET_SINGLE_PIC_BASE.
12441 (use_return_insn): Only test for a pic register if it is fixed.
12442 (arm_compute_save_reg0_reg12_mask): Likewise.
12443 (thumb_compute_save_reg_mask): Likewise.
12444 (legitimate_pic_operand): Factor out some known invariants.
12445 (legitimize_pic_address): If we don't have a fixed pic register,
12446 then set up a pseudo in the function entry sequence. Handle the
12447 pic base being in a pseudo.
12448 (arm_load_pic_register): Handle the pic register being in a pseudo.
12449 (arm_expand_prologue): Only set up the pic register if it is fixed.
12450 (thumb_expand_prologue): Likewise.
12451 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12452 (pic_load_addr_based_insn): Likewise.
12453 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12456 2006-01-18 Ben Elliston <bje@au.ibm.com>
12458 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12459 decimal float modes for all floating point registers.
12461 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12462 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12464 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12467 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12468 even when the pointer is not NULL.
12470 2006-01-16 Ian Lance Taylor <ian@airs.com>
12472 * common.opt (ftoplevel-reorder): New option.
12473 * cgraph.c (cgraph_asm_nodes): New global variable.
12474 (cgraph_asm_last_node): New static variable.
12475 (cgraph_order): New global variable.
12476 (cgraph_create_node): Set new order field.
12477 (cgraph_varpool_node): Likewise.
12478 (decide_is_variable_needed): Return true if not
12479 flag_toplevel_reorder.
12480 (cgraph_add_asm_node): New function.
12481 * cgraph.h (struct cgraph_node): Add order field.
12482 (struct cgraph_varpool_node): Add order field.
12483 (struct cgraph_asm_node): Define.
12484 (cgraph_asm_nodes, cgraph_order): Declare.
12485 (cgraph_add_asm_node): Declare.
12486 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12488 (cgraph_varpool_assemble_pending_decls): Call it.
12489 (cgraph_output_pending_asms): New static function.
12490 (cgraph_finalize_compilation_unit): Call it.
12491 (struct cgraph_order_sort): Define.
12492 (cgraph_output_in_order): New static function.
12493 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12494 !flag_toplevel_reorder case.
12495 * c-parser.c: Include "cgraph.h".
12496 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12498 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12499 than -fno-unit-at-a-time.
12500 * doc/invoke.texi (Option Summary): Mention
12501 -fno-toplevel-reorder.
12502 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12503 -funit-at-a-time documentation.
12505 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12506 Kazu Hirata <kazu@codesourcery.com>
12508 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12510 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12512 * Makefile.in (FUNCTION_H): New. Use it instead of
12513 function.h throughout the file.
12514 * function.h: Include tree.h.
12516 2006-01-17 Ben Elliston <bje@au.ibm.com>
12518 * recog.c: Separate some functions with whitespace.
12520 2006-01-16 Richard Henderson <rth@redhat.com>
12522 Merge from gomp branch:
12523 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12524 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12525 and rename from struct inline_data. Rename callee* to dst*;
12526 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12527 transform_new_cfg, transform_return_to_modify, and
12528 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12530 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12531 (copy_decl_for_dup): Remove.
12532 * tree-inline.c (struct inline_data): Move to header.
12533 (insert_decl_map): Export.
12534 (remap_decl): Update for member name changes. Use copy_decl hook.
12535 Allow for replacement to be a non-decl. Remove dead code.
12536 (remap_type_1): Check for existing mapping.
12537 (remap_type): Export.
12538 (remap_decls): Update for member name changes.
12539 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12540 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12541 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12542 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12543 (tree_function_versioning, build_duplicate_type): Likewise.
12544 (copy_body_r): Likewise. Export.
12545 (copy_decl_for_dup): Split into ...
12546 (copy_decl_for_dup_finish, copy_decl_to_var,
12547 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12548 (replace_ref_tree, inlining_p): Remove.
12550 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12552 * ifcvt.c (if_convert): Make it static.
12553 * rtl.h: Remove the prototype for if_convert.
12555 * local-alloc.c (local_alloc): Make it static.
12556 * rtl.h: Remove the prototype for local_alloc.
12558 * loop.c (loop_optimize): Make it static.
12559 * cfgloop.h: Remove the prototype for loop_optimize.
12562 2006-01-16 DJ Delorie <dj@redhat.com>
12564 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12567 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12569 * pa.md: Disparage copies between general and floating-point registers
12570 in 32-bit move patterns.
12572 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12575 * Makefile.in (check-%): Depend on site.exp instead of
12576 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12579 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12581 * global.c (global_alloc): Make it static.
12582 * rtl.h: Remove the prototype for global_alloc.
12584 2006-01-16 Richard Guenther <rguenther@suse.de>
12586 * tree-ssa-alias.c (struct used_part): Add write_only field.
12587 (get_or_create_used_part_for): Initialize it to true.
12588 (create_overlap_variables_for): Don't create structure variables
12589 for structures that only are written to.
12590 (find_used_portions): Handle MODIFY_EXPR to track whether a
12591 structure is only written to.
12593 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12595 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12597 * basic-block.h: Remove the prototype for
12598 partition_hot_cold_basic_blocks.
12600 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12602 * cppspec.c (lang_specific_spec_functions): Remove.
12603 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12604 * gcc.h (lang_specific_spec_functions): Remove.
12605 * gccspec.c (lang_specific_spec_functions): Remove.
12607 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12609 * combine.c (record_value_for_reg): Invalidate registers
12611 (record_dead_and_set_regs_1): Likewise, by passing them to
12612 record_value_for_reg.
12613 (record_dead_and_set_regs): Invalidate stores made by a
12614 call. We do not combine across a call, but we still
12615 relied on equivalences.
12617 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12619 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12620 vrp_int_const_binop returning non-constant nodes.
12622 2006-01-16 Paul Brook <paul@codesourcery.com>
12624 * config/m68k/m68k.c (output_move_const_into_data_reg):
12625 Output correct mnemonic for mvz and mvs.
12627 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12629 * rtl-factoring.c: Add sequence abstraction algorithm.
12630 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12631 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12633 (block_has_preserve_label): New function.
12634 * common.opt: Register new pass.
12635 * Makefile.in: Ditto.
12637 * timevar.def: Ditto.
12638 * tree-pass.h: Ditto.
12639 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12640 * rtl.h (make_jump_insn_raw): Add forward decl.
12641 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12643 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12644 Roger Sayle <roger@eyesopen.com>
12646 * fold-const.c (fold_minmax): New static function.
12647 (fold_binary) <MIN_EXPR>: Call it.
12648 <MAX_EXPR>: Likewise.
12649 * stor-layout.c (place_field): Use DECL_SIZE consistently
12650 in the computation of the new record size.
12652 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12654 * cse.c (cse_condition_code_reg): Make it static.
12655 * rtl.h: Remove the prototype for cse_condition_code_reg.
12657 * combine.c (combine_instructions): Make it static.
12658 * rtl.h: Remove the prototype for combine_instructions.
12660 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12663 * tree.c (get_file_function_name_long): Concatenate the first global
12664 object name with a string derived from the input filename of the object
12667 2006-01-16 Ben Elliston <bje@au.ibm.com>
12669 * config/i386/winnt-stubs.c: Update FSF address.
12670 * config/xtensa/ieee754-df.S: Ditto.
12671 * config/xtensa/ieee754-sf.S: Ditto.
12673 2006-01-14 Ian Lance Taylor <ian@airs.com>
12675 * ifcvt.c (noce_init_if_info): New static function, broken out of
12676 noce_process_if_block.
12677 (noce_process_if_block): Call noce_init_if_info.
12678 (check_cond_move_block): New static function.
12679 (cond_move_process_if_block): New static function.
12680 (process_if_block): Call cond_move_process_if_block.
12682 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12684 * cselib.c (hash_table): Rename to cselib_hash_table.
12685 (cselib_clear_table, discard_useless_values,
12686 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12687 cselib_init, cselib_finish): Adjust uses of hash_table.
12689 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12691 PR tree-optimization/25485
12692 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12693 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12694 is known to be false and true, respectively.
12696 2006-01-14 Richard Guenther <rguenther@suse.de>
12698 PR tree-optimization/22548
12699 PR tree-optimization/22555
12700 PR tree-optimization/22501
12701 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12702 * params.def (salias-max-array-elements): New parameter.
12703 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12704 * doc/invoke.texi (salias-max-array-elements): Document.
12705 * tree-flow-inline.h (var_can_have_subvars): We also handle
12707 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12709 * tree-ssa-structalias.c (params.h): Include.
12710 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12711 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12712 (get_constraint_for): For ADDR_EXPR operating on something
12713 containing an ARRAY_REF, add all subvars to the solution.
12714 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12715 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12716 for creating MUST_DEFs.
12717 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12719 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12721 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12723 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12724 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12725 number_of_iterations_le): New functions.
12726 (number_of_iterations_special): Removed.
12727 (number_of_iterations_exit): Do not use number_of_iterations_special.
12728 * tree.c (unsigned_type_for): Always return integer type.
12730 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12731 Richard Guenther <rguenther@suse.de>
12733 PR rtl-optimization/24257
12734 * gcse.c (find_moveable_store): Only consider a store movable
12735 when the SET_SRC of the insn can be assigned to a register.
12737 2006-01-14 Ian Lance Taylor <ian@airs.com>
12739 * tree.c (tree_not_class_check_failed): New function.
12740 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12741 (tree_not_class_check_failed): Declare.
12743 2006-01-13 Ian Lance Taylor <ian@airs.com>
12745 * reload1.c (do_output_reload): Add assertion rejecting a
12748 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12750 * combine.c (struct reg_stat): Add new fields truncation_label and
12752 (record_value_for_reg): Reset truncated_to_mode.
12753 (record_truncated_value): New function.
12754 (check_promoted_subreg): Call it. Rename to check_conversions.
12755 (combine_instructions): Rename check_promoted_subreg to
12757 (reg_truncated_to_mode): New function.
12758 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12759 (gen_lowpart_or_truncate): New function.
12760 (force_to_mode): Use it instead of gen_lowpart.
12762 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12764 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12765 VAR is a tag, not its type tag.
12767 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12769 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12770 alternatives to match style of other entries.
12771 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12773 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12775 PR tree-optimization/25771
12776 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12779 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12782 * tree-inline.c (declare_return_variable): If the return variable
12783 was marked as a non gimple complex, set the return slot variable
12784 to be a non gimple comple variable.
12786 2006-01-13 Richard Guenther <rguenther@suse.de>
12788 * builtins.c (expand_builtin_sincos): New function.
12789 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12791 (expand_builtin): Expand sincos using expand_builtin_sincos.
12793 2006-01-12 DJ Delorie <dj@redhat.com>
12795 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12796 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12797 so that constant shifts can be split.
12798 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12799 (m32c_valid_pointer_mode): Make static.
12800 (shift_gen_func_for): New.
12801 (m32c_prepare_shift): Use it. Split large const shifts into
12803 * config/m32c/predicates.md (shiftcount_operand): Allow more
12805 (longshiftcount_operand): New.
12806 * doc/md.texi (Machine Constraints): Document In6.
12808 2006-01-13 Ben Elliston <bje@au.ibm.com>
12810 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12811 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12814 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12816 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12817 to try to avoid clobbering pieces of structures when we know
12818 something about the whole structure.
12819 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12821 2006-01-13 Ben Elliston <bje@au.ibm.com>
12823 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12824 return in memory, as this is no limitation is no longer present.
12826 2006-01-12 DJ Delorie <dj@redhat.com>
12828 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12829 mova with fb, and for fb+0 -> An.
12831 * config/m32c/mov.md (peephole2): Fix enabling logic.
12833 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12834 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12835 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12836 FINI_ARRAY_SECTION_ASM_OP): Define.
12838 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12840 (m32c_legitimize_reload_address): New logic to reload FB to An.
12841 (m32c_output_reg_push): Add newline.
12842 (m32c_output_reg_pop): Likewise.
12844 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12846 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12848 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12850 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12852 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12854 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12857 2006-01-11 Ben Elliston <bje@au.ibm.com>
12859 * rtlanal.c (find_reg_note): Assert insn is not null.
12861 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12863 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12866 2006-01-11 Jeff Law <law@redhat.com>
12868 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12870 (mark_threaded_blocks, register_jump_thread): New functions.
12871 (thread_through_all_blocks): Remove unwanted argument. No
12872 longer rely on e->aux to communicate thread target info.
12873 Call mark_threaded_blocks. Release the threaded_blocks
12874 bitmap and threaded_edges vector when complete.
12875 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12876 (threaded_blocks): Remove.
12877 (tree_ssa_dominator_optimize): Remove initialization and
12878 finalization of threaded_blocks. Simplify call to
12879 thread_through_all_blocks.
12880 (thread_across_edge): Call register_jump_thread rather than
12881 storing thread information into e->aux.
12882 (free_all_edge_infos): Simplify now that e->aux is no longer
12883 used to communicate with thread_through_all_blocks.
12884 * tree-flow.h (thread_through_all_blocks): Update prototype.
12885 (register_jump_thread): Prototype.
12887 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12889 * df-core.c (df_compact_blocks, df_bb_replace): Use
12890 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12892 2006-01-11 Richard Guenther <rguenther@suse.de>
12894 PR tree-optimization/25734
12895 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12896 stop propagation after successful propagation to the LHS.
12898 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12900 * basic-block.h (control_flow_graph): Change the type of
12901 x_basic_block_info to VEC(basic_block,gc) *.
12902 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12904 (SET_BASIC_BLOCK): New.
12905 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12906 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12907 * cfgbuild.c (find_basic_blocks): Likewise.
12908 * cfglayout.c (fixup_reorder_chain): Likewise.
12909 * cfgrtl.c (create_basic_block_structure,
12910 rtl_create_basic_block): Likewise.
12911 * ifcvt.c (find_if_case_1): Likewise.
12912 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12915 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12917 * Makefile.in: Removed rotted odf.c entry.
12919 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12922 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12923 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12924 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12925 output pattern modifier, not %e.
12926 * config/cris/cris.c (cris_op_str): Update comment about pattern
12928 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12929 before falling through into...
12930 <case 'E'>: Redefined from old 'e' case.
12932 2006-01-11 Jan Hubicka <jh@suse.cz>
12935 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12937 2006-01-11 Jan Hubicka <jh@suse.cz>
12939 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12940 * i386.c (x86_decompose_lea): Kill.
12941 (ix86_rtx_costs): Kill.
12943 2006-01-11 Jan Hubicka <jh@suse.cz>
12945 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12946 * cgraph.h (cgraph_node): Add inline_decl.
12947 (cgraph_insert_node_to_hashtable): Declare.
12948 (save_inline_function_body): Declare.
12949 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12951 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12952 (cgraph_function_versioning): Update call of tree_function_versioning.
12953 (save_inline_function_body): New function.
12954 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12955 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12956 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12957 (cgraph_default_inline_p): Likewise.
12958 (cgraph_decide_inlining_incrementally): Likewise.
12959 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12960 (copy_bb): Kill saving; do updating of clones.
12961 (copy_cfg_body): Kill saving.
12962 (initialize_inlined-parameters): Likewise.
12963 (expand_call_inline): Likewise.
12965 (tree_function_versioning): New parameter "update_clones".
12966 (inlining_p): Kill saving.
12967 * tree-inline.h (tree_function_versioning): Update prototype.
12968 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12971 2006-01-11 Ian Lance Taylor <ian@airs.com>
12973 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12974 Allow undoing set of machine mode.
12975 (do_SUBST): Use enums instead of is_int.
12976 (do_SUBST_MODE): New function.
12977 (SUBST_MODE): New macro.
12978 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12979 reg and trying to replace reg_regno_rtx with a new register.
12980 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12981 (simplify_set): Use SUBST_MODE.
12982 (distribute_notes): Remove code that tried to update reg notes
12983 for regno_reg_rtx changes.
12985 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12987 PR tree-optimization/23109
12988 PR tree-optimization/23948
12989 PR tree-optimization/24123
12991 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12992 * tree-cfg.c (single_noncomplex_succ): New.
12993 * tree-flow.h (single_noncomplex_succ): Declare it.
12994 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12995 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12996 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12997 insert_bb, register_division_in, insert_reciprocals,
12998 replace_reciprocal, free_bb): New.
12999 (execute_cse_reciprocals_1): Rewritten.
13000 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13001 Do not commit any edge insertion. Always compute dominators and
13002 create the allocation pool.
13003 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13004 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13005 * targhooks.c (default_min_divistions_for_recip_mul): New.
13006 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13007 * passes.c (init_optimization_passes): Run recip after tree loop
13009 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13011 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13012 Kenneth Zadeck <zadeck@naturalbridge.com>
13014 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13015 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13016 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13017 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13018 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13019 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13020 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13021 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13022 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13023 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13024 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13025 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13026 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13027 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13028 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13029 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13030 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13031 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13032 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13033 DF_SCAN_POST_ALLOC): New macros.
13034 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13035 df_free_bb_function, df_local_compute_function, df_init_function,
13036 df_dataflow_function, df_confluence_function_0,
13037 df_confluence_function_n, df_transfer_function,
13038 df_finalizer_function, df_free_function, df_dump_problem_function,
13039 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13040 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13041 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13042 df_urec_bb_info, ) New types.
13043 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13045 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13046 df_analyze_simple_change_some_blocks,
13047 df_analyze_simple_change_one_block, df_compact_blocks,
13048 df_bb_replace, df_bb_regno_last_use_find,
13049 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13050 df_insn_regno_def_p, df_find_def, df_find_use,
13051 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13052 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13053 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13054 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13055 debug_df_chain, df_get_dependent_problem, df_chain_create,
13056 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13057 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13058 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13059 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13060 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13061 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13062 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13063 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13064 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13065 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13066 df_reorganize_refs, df_set_state, df_hard_reg_init,
13067 df_read_modify_subreg_p) New public functions.
13068 * df-core.c: The core dataflow solver and glue routines for rtl
13070 (df_init, df_add_problem, df_set_blocks, df_finish,
13071 df_hybrid_search_forward, df_hybrid_search_backward,
13072 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13073 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13074 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13075 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13076 df_reg_defined, df_find_use, df_reg_used, df_dump,
13077 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13078 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13079 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13080 debug_df_useno, reset_df_after_reload): New functions.
13081 * df-scan.c: The scanning fuctions, once in df.c, completely
13082 rewritten so that they now fully model the functionality of
13083 register usage at the backend.
13084 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13085 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13086 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13087 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13088 df_get_artificial_defs, df_get_artificial_uses,
13089 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13090 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13091 df_refs_delete, df_reorganize_refs, df_set_state,
13092 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13093 df_def_record_1, df_defs_record, df_uses_record,
13094 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13095 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13096 df_record_exit_block_uses, df_hard_reg_init): New functions.
13098 * df-problems.c: Seven concrete dataflow problems that use the
13099 scanning in df-scan.c and are solved by the engine in df-core.c.
13100 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13101 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13102 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13103 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13104 df_ru_free_bb_info, df_ru_alloc,
13105 df_ru_bb_local_compute_process_def,
13106 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13107 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13108 df_ru_transfer_function, df_ru_free, df_ru_dump,
13109 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13110 df_rd_free_bb_info, df_rd_alloc,
13111 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13112 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13113 df_rd_transfer_function, df_rd_free, df_rd_dump,
13114 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13115 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13116 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13117 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13118 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13119 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13120 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13121 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13122 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13123 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13124 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13125 df_urec_mark_reg_use_for_earlyclobber,
13126 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13127 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13128 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13129 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13130 df_chain_create_bb_process_use, df_chain_create_bb,
13131 df_chain_finalize, df_chain_free, df_chains_dump,
13132 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13133 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13134 df_reg_lifetime): New functions.
13135 * df.c: Deleted file.
13136 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13137 consistent with new df api.
13138 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13139 rest_of_handle_sms): Ditto.
13140 * web.c (unionfind_union, union_defs, entry_register, web_main):
13142 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13143 invariant_expr_equal_p, find_defs, check_dependencies,
13144 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13145 free_inv_motion_data, move_loop_invariants): Ditto.
13146 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13147 Update dependencies.
13148 (odf.c): Added defective entry that was deleted later in day.
13149 * sched-deps.c (sched_analyze_1): Ditto.
13151 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13153 * tree-ssa-operands.c (get_expr_operands): Record addressable
13154 variables directly. Do not call add_stmt_operands for CONST_DECLs
13156 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13157 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13159 2006-01-11 Ben Elliston <bje@au.ibm.com>
13161 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13162 function returns true in the positive case.
13164 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13167 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13168 for SI, DI, SF and DF modes. Add alternatives to copy between
13169 general and floating point registers to the 32-bit patterns.
13170 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13171 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13172 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13173 generating 64-bit code.
13174 * config/pa/pa.c (output_move_double): Handle copies between general
13175 and floating registers.
13177 2006-01-10 Stuart Hastings <stuart@apple.com>
13179 * config/i386/i386.md (set_got): Update.
13180 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13181 (builtin_setjmp_receiver): Mach-O support.
13182 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13183 (GOT_SYMBOL_NAME): Define.
13184 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13185 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13186 * config/i386/i386.c (override_options): Revise for Darwin.
13187 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13188 support. (darwin_x86_file_end): New. (output_set_got): Add label
13189 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13190 * config/i386/i386-protos.h (output_set_got): Likewise.
13191 * config/darwin.c (machopic_legitimize_pic_address): Update
13194 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13196 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13197 when MODE isn't BLKmode.
13199 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13201 PR rtl-optimization/25367
13202 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13204 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13207 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13208 for a negative bound.
13210 2006-01-10 Richard Guenther <rguenther@suse.de>
13212 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13213 Never override with anything constraint.
13215 2006-01-10 Jan Beulich <jbeulich@novell.com>
13217 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13218 256 bits when optimize_size.
13220 2006-01-10 Jan Beulich <jbeulich@novell.com>
13222 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13224 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13225 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13228 2006-01-10 Ben Elliston <bje@au.ibm.com>
13230 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13232 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13233 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13234 (USE_FP_FOR_ARG): Reject decimal float modes.
13235 (function_arg_advance): Likewise.
13236 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13237 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13238 point types in AltiVec vectors.
13239 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13240 (rs6000_libcall_value): Likewise.
13242 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13244 * config/xtensa/ieee754-df.S: New file.
13245 * config/xtensa/ieee754-sf.S: New file.
13246 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13247 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13248 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13250 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13252 * config/sh/predicates.md (binary_float_operator,
13253 binary_logical_operator, commutative_float_operator,
13254 equality_comparison_operator, greater_comparison_operator,
13255 less_comparison_operator, logical_operator,
13256 noncommutative_float_operator, shift_operator,
13257 symbol_ref_operand, unary_float_operator): Remove redundant
13260 2006-01-09 Jeff Law <law@redhat.com>
13262 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13263 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13264 now unused arguments. Callers updated.
13265 (eliminate_redundant_computations): Remove now unused arguments,
13267 (local_fold): Remove, no longer used.
13268 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13270 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13271 (simplify_cond): New function.
13272 (forward_propagate_into_cond): Call simplify_cond.
13274 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13276 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13277 (*vec_extractv2di_1_sse): New.
13279 2006-01-09 Ben Elliston <bje@au.ibm.com>
13281 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13283 2006-01-08 Richard Guenther <rguenther@suse.de>
13285 * tree-ssa-structalias.c (get_constraint_for): Remove
13286 anyoffset argument.
13287 (get_constraint_for_component_ref): Likewise.
13288 (do_deref): Likewise.
13289 (get_constraint_for): Likewise.
13290 (do_structure_copy): Likewise.
13291 (handle_ptr_arith): Likewise.
13292 (find_func_aliases): Likewise. Remove unused need_anyoffset
13295 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13296 Kaz Kojima <kkojima@gcc.gnu.org>
13298 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13299 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13300 (EXTRA_CONSTRAINT_C16): Remove.
13301 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13302 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13303 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13304 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13305 constants of SHmedia. Handle nested constant expressions of
13307 (andcosts): Fix the costs for SHmedia constants.
13308 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13309 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13310 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13311 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13312 (movv4hi_i, movv2si_i): Likewise.
13313 (movsi_const): Adjust the second operand of ior so to match with
13314 the Csu constraint.
13315 (movdi_const, movdi_const_32bit): Likewise.
13316 (movdi_const_16bit+1): Don't sign-extend LOW.
13317 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13319 (*double_shori): Fix the split condition. Use GEN_INT instead
13320 of get_int_mode calls. Mask lower 16-bit of the argument of
13322 (sym2GOTPLT): Remove.
13323 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13325 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13326 instead of EXTRA_CONSTRAINT_C16.
13328 2006-01-07 Ian Lance Taylor <ian@airs.com>
13329 David Edelsohn <edelsohn@gnu.org>
13331 PR rtl-optimization/25662
13332 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13333 for constant operands instead of simplify_gen_binary.
13334 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13335 after trying simplify_binary_operation
13337 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13339 * tree.c (iterative_hash_expr): Hash decls based on UID.
13341 2006-01-06 Eric Christopher <echristo@apple.com>
13343 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13344 (TARGET_UNWIND_EMIT): Fix spelling.
13345 * target.h (gcc_target): Add except_table_label.
13346 * except.c (output_function_exception_table): Use.
13347 * varasm.c (default_emit_except_table_label): New.
13348 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13350 (asm_out): Add here.
13351 * output.h (default_emit_except_table_label): Prototype.
13352 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13353 * config/darwin.c (darwin_emit_except_table_label): Define.
13354 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13356 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13358 PR tree-optimization/18527
13359 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13360 number_of_iterations_special, number_of_iterations_exit):
13361 Move base and step of an iv to a single structure. Add
13362 no_overflow flag, and use it in # of iterations analysis.
13363 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13364 folded_casts argument.
13365 (simple_iv): Pass base and step in a structure. Set no_overflow
13367 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13368 Evaluate expensiveness of computing # of iterations instead of
13369 the final expression.
13370 * tree-scalar-evolution.h (affine_iv): New structure.
13371 (simple_iv): Declaration changed.
13372 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13373 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13374 find_givs_in_stmt): Changed due to simple_iv change.
13376 2006-01-06 Jeff Law <law@redhat.com>
13379 * tree-cfg.c (bsi_replace): Rename final argument from
13380 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13381 change (stmt -> orig_stmt).
13382 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13383 (bsi_remove): Add new argument. Remove EH information
13385 (verify_eh_throw_table_statements): New function.
13386 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13388 * tree-optimize.c (execute_free_cfg_annotations): Verify
13389 the EH throw statement table after removing annotations.
13390 * except.h (verify_eh_throw_table_statements): Prototype.
13391 * tree-flow.h (bsi_remove): Update prototype.
13392 * tree-vrp.c (remove_range_assertions): Add new argument to
13394 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13395 * tree-complex.c (expand_complex_div_wide): Likewise.
13396 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13397 * tree-tailcall.c (eliminate_tailcall): Likewise.
13398 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13399 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13400 * tree-nrv.c (tree_nrv): Likewise.
13401 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13402 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13403 (combine_blocks): Likewise.
13404 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13405 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13406 (cleanup_control_flow): Likewise.
13407 (remove_forwarder_block): Likewise.
13408 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13409 * tree-sra.c (sra_replace): Likewise.
13410 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13411 (forward_propagate_single_use_vars): Likewise.
13412 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13413 * tree-inline.c (expand_call_inline): Likewise.
13414 * tree-vect-transform.c (vect_transform_loop): Likewise.
13415 * tree-outof-ssa.c (rewrite_trees): Likewise.
13416 * tree-cfg.c (make_goto_expr_edges): Likewise.
13417 (cleanup_dead_labels): Likewise.
13418 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13419 (bsi_move_before, bsi_move_after): Likewise.
13420 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13421 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13423 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13426 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13428 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13429 on non gimple variables. Also add checks at the top for decls and
13431 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13433 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13434 and IMAGPART_EXPR for creating MUST_DEFs.
13435 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13436 and NAME_MEMORY_TAG separately from the DECLs.
13438 2006-01-06 Richard Guenther <rguenther@suse.de>
13440 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13441 annotation, if necessary.
13442 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13443 redundant calls to update_stmt.
13444 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13447 2006-01-05 Richard Henderson <rth@redhat.com>
13449 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13451 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13453 * c-typeck.c: Update copyright date.
13455 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13457 * c-typeck.c (build_c_cast): Always warn when casting
13458 from a pointer to an integer of different size, even if
13459 the node was constant.
13461 2006-01-05 Richard Guenther <rguenther@suse.de>
13463 PR tree-optimization/22555
13464 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13465 if one structure field is an array.
13466 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13467 operands even if we found a subvar, but ignore VOPs in this
13469 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13471 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13473 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13475 PR middle-end/24998
13476 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13478 2006-01-05 Richard Guenther <rguenther@suse.de>
13479 Diego Novillo <dnovillo@redhat.com>
13481 * tree-pass.h (TODO_remove_unused_locals): Define.
13482 * gimple-low.c (expand_var_p, remove_useless_vars,
13483 pass_remove_useless_vars): Remove. Update all users.
13484 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13485 (remove_unused_locals): New function.
13486 * tree-flow.h (remove_unused_locals): Declare.
13487 * passes.c (execute_todo): Call remove_unused_locals if
13488 TODO_remove_unused_locals is set.
13489 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13490 * tree-ssa-dce.c (pass_dce): Likewise.
13491 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13493 2006-01-05 Richard Guenther <rguenther@suse.de>
13495 * tree-flow.h (struct fieldoff): Decompose field to
13496 type, size and decl.
13497 * tree-ssa-alias.c (create_sft): Take type as parameter.
13498 (create_overlap_variables_for): Store type, size and decl
13499 in the fieldoff structure.
13500 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13501 of struct fieldoff.
13502 (push_fields_onto_fieldstack): Likewise.
13503 (create_variable_info_for): Likewise. Use offset for the
13504 SFT name if the decl is not available.
13506 2006-01-04 Paul Brook <paul@codesourcery.com>
13508 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13510 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13512 * lambda-code.c (can_put_in_inner_loop): Relax
13514 (can_put_after_inner_loop): New function.
13515 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13516 (perfect_nestify): Change to make copies and modify uses.
13518 2006-01-04 Richard Henderson <rth@redhat.com>
13520 Merge from gomp branch:
13521 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13522 via integer constant.
13523 (pragma_lex): Remove.
13524 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13525 rather than parsing it.
13526 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13527 handle_pragma_extern_prefix): Add %< %> quotes.
13528 (registered_pragmas): New.
13529 (c_register_pragma_1): New.
13530 (c_register_pragma): Use it.
13531 (c_register_pragma_with_expansion): Likewise.
13532 (c_invoke_pragma_handler): New.
13533 (init_pragma): Use cpp_register_deferred_pragma directly for
13535 * c-pragma.h (enum pragma_kind): New.
13536 (pragma_handler): New.
13537 (c_invoke_pragma_handler): Declare.
13538 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13540 * c-common.h (c_common_pch_pragma): Update decl.
13541 * Makefile.in (c-parser.o): Update dependencies.
13542 (GTFILES): Add c-pragma.h.
13543 * c-parser.c (struct c_token): Add pragma_kind.
13544 (struct c_parser): Add in_pragma.
13545 (c_lex_one_token): Always initialize keyword and pragma_kind.
13546 Extract data for CPP_PRAGMA.
13547 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13548 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13549 Don't allow CPP_PRAGMA_EOL if in_pragma.
13550 (c_parser_consume_pragma): New.
13551 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13552 (c_parser_skip_to_end_of_parameter): Likewise.
13553 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13554 (c_parser_skip_to_pragma_eol): New.
13555 (c_parser_external_declaration): Handle CPP_PRAGMA.
13556 (c_parser_compound_statement_nostart): Likewise.
13557 (c_parser_statement_after_labels): Likewise.
13558 (c_parser_pragma): New.
13559 (pragma_lex): Likewise.
13560 (c_parser_pragma_pch_preprocess): New.
13561 (c_parser_new): Merge into ...
13562 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13564 2006-01-04 Jeff Law <law@redhat.com>
13567 * tree-cfg.c (bsi_replace): Remove the original statement
13568 from the EH throw statement table.
13570 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13572 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13573 make the prototype extern "C" and add throw ().
13576 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13577 and pos non-negative and pos + len <= 32.
13578 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13579 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13580 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13583 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13584 as well as sizes not multiple of component size.
13587 * function.c (instantiate_expr): New function.
13588 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13589 walk its DECL_VALUE_EXPR with instantiate_expr.
13591 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13592 DW_OP_deref{,_size} if address isn't going to be added.
13594 2006-01-04 Ben Elliston <bje@au.ibm.com>
13596 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13597 * config/fp-bit.c: Likewise.
13599 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13601 * dominance.c: Add comment about why we use DFS numbering
13604 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13605 Richard Henderson <rth@redhat.com>
13607 Merge from gomp-branch:
13608 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13609 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13611 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13613 PR rtl-optimization/25578
13614 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13615 pass a parameter to simplify_shift_const if changing ASHIFTRT
13618 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13620 * builtins.c (get_builtin_sync_mem): New function.
13621 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13622 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13623 Call get_builtin_sync_mem to generate mem rtx.
13625 2006-01-03 Richard Guenther <rguenther@suse.de>
13628 * stmt.c (add_case_node): Make sure to clear overflow flags
13631 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13633 Merge from gomp-branch.
13634 * config/sparc/sync.md: New file.
13635 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13636 UNSPECV_LDSTUB): New constants.
13637 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13638 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13639 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13642 2006-01-03 Roger Sayle <roger@eyesopen.com>
13644 * combine.c (reg_subword_p): New predicate to test whether the
13645 destination of a set refers to a subword/piece of a register.
13646 (try_combine): Generalize the code to merge the setting of a
13647 pseudo to a constant followed by a set of a subword of that
13648 register to a constant.
13650 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13652 * basic-block.h (control_flow_graph): Change the type of
13653 x_label_to_block_map to VEC(basic_block,gc) *.
13654 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13655 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13657 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13658 VEC(basic_block,heap) *.
13659 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13660 ssa_prop_fini): Adjust the uses of cfg_blocks.
13662 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13664 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13666 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13667 hashing trees instead of a pointer hash.
13668 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13669 compare for MEM_EXPR.
13671 PR rtl-optimization/25130
13672 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13673 when comparing MEMs for GCSE
13675 2006-01-03 Ben Elliston <bje@au.ibm.com>
13677 * targhooks.h (default_decimal_float_supported_p): Declare.
13678 * targhooks.c (default_decimal_float_supported_p): Define.
13679 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13680 `default_decimal_float_supported_p'.
13681 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13683 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13685 * combine.c (apply_distributive_law <SUBREG>): Check
13686 TRULY_NOOP_TRUNCATION.
13688 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13690 * dwarf2out.c (have_switched_text_section): Delete.
13691 (have_multiple_function_sections): New.
13692 (have_location_lists): Make 'bool'.
13693 (add_AT_loc_list): Use 'true' not '1'.
13694 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13695 (output_loc_list): Use have_multiple_function_sections.
13696 (output_ranges): Likewise.
13697 (dwarf2out_begin_function): Set have_multiple_function_sections if
13699 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13700 Check function_section rather than DECL_SECTION_NAME.
13701 (dwarf2out_finish): Use have_multiple_function_sections.
13702 Don't clear have_location_lists.
13704 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13705 Jan Hubicka <jh@suse.cz>
13707 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13708 case of conditional jump jumping to the next instruction.
13709 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13710 cases of conditional jump jumping to the next instruction.
13712 2006-01-02 Jan Hubicka <jh@suse.cz>
13714 * i386.c (*_cost): Add COSTS_N_INSNS.
13715 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13717 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13720 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13722 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13724 * config/arm/arm.c (all_fpus): Fix comment typo.
13725 * config/darwin.c: Likewise.
13726 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13727 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13728 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13730 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13732 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13733 (rs6000_split_compare_and_swapqhi): New.
13734 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13735 (sync_compare_and_swapqhi_internal): New.
13736 * config/rs6000/rs6000-protos.h: Declare.