1 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3 * tree-cfg.c: Fix a comment typo.
5 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8 * varasm.c (output_constant): Give the front end another chance to
9 expand constants, after stripping NOPs.
11 2006-08-03 Jan Hubicka <jh@suse.cz>
13 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
16 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
18 PR tree-optimization/27770
19 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
20 declaration removed (moved to tree-flow.h).
21 (vect_can_force_dr_alignment_p): Likewise.
22 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
23 (moved from tree-vectorizer.h).
24 (vect_can_force_dr_alignment_p): Likewise.
25 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
26 from outside the vectorizer - in particular from cgraph stage.
27 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
28 the alignment of global arrays when -fsection-anchors is enabled.
29 * cgraphunit.c (cgraph_increase_alignment): New function.
30 (cgraph_optimize): Call cgraph_increase_alignment.
32 2006-08-03 David Edelsohn <edelsohn@gnu.org>
35 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
36 not reload a SPE symbol_ref into a lo_sum address.
38 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
41 * dwarf2out.c (prune_unused_types_prune): Move call to
42 prune_unused_types_update_strings to cover the parent DIE also.
44 2006-08-02 Jan Hubicka <jh@suse.cz>
47 * tree-cfg.c (change_bb_for_stmt): New function.
48 (tree_merge_blocks, tree_split_blocks): Use it.
50 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
56 * toplev.c (compile_file): Return early on errorcount or sorrycount.
57 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
58 (cgraph_optimize): Likewise.
60 2006-08-01 Stuart Hastings <stuart@apple.com>
62 * rtl.h (UINTVAL) New.
63 * config/rs6000/rs6000.c (SMALL_INT) Use it.
64 * testsuite/gcc.dg/20060801-1.c: New.
66 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
69 * c-typeck.c (build_external_type): Mark used enum types.
70 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
72 (gen_subprogram_die): Whitespace fix.
74 2006-08-01 Jan Hubicka <jh@suse.cz>
76 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
77 bitmap when not needed.
78 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
81 2006-08-01 Dirk Mueller <dmueller@suse.de>
83 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
85 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
87 * Makefile.in: Revert part of previous patch:
88 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
91 2006-07-30 Eric Christopher <echristo@apple.com>
94 * doc/extend.texi (i386 Variable Attributes): Add anchor.
95 (PowerPC Variable Attributes): New section.
97 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
99 PR target/28126 (partial fix)
100 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
102 2006-07-28 Jan Hubicka <jh@suse.cz>
104 PR rtl-optimization/28071
105 * cfgrtl.c (rtl_delete_block): Free regsets.
106 * flow.c (allocate_bb_life_data): Re-use regsets if available.
108 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
110 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
111 and variables used in dependencies.
113 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
115 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
116 %fs for -mcmodel=kernel.
117 (stack_tls_protect_test_di): Likewise.
119 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
121 * Makefile.in: Use mkinstalldirs.
123 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
126 * opts-common.c (prune_options): Skip joined switches.
128 2006-07-27 Jan Hubicka <jh@suse.cz>
130 PR rtl-optimization/28071
131 * cselib.c (cselib_process_insn): Don't remove useless values too
132 often for very large hashtables.
134 2006-07-27 Jan Hubicka <jh@suse.cz>
136 PR rtl-optimization/28071
137 * global.c (greg_obstack): New obstack.
138 (allocate_bb_info): Use it.
139 (free_bb_info): Likewise.
140 (modify_reg_pav): Likewise.
142 2006-07-27 Roger Sayle <roger@eyesopen.com>
144 * builtins.c (fold_fixed_mathfn): When long and long long are the
145 same size, canonicalize llceil*, llfloor*, llround* and llrint*
146 functions to their lceil*, lfloor*, lround* and lrint* forms.
148 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
151 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
153 (rev_branch_insn): Likewise.
155 2006-07-27 Jan Hubicka <jh@suse.cz>
157 PR rtl-optimization/28071
158 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
159 (reg_set_in_bb, max_reg_computed): New static variables.
160 (regmove_optimize): Free the new array.
161 (fixup_match_1): Update call of reg_is_remote_constant_p.
163 2006-07-26 Jan Hubicka <jh@suse.cz>
165 PR tree-optimization/27882
166 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
168 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
170 (cgraph_analyze_compilation_unit): Likewise.
171 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
172 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
173 (cgraph_early_inlinine): Make order garbage collected.
174 * Makefile.in (gt-ipa-inline): New garbagecollected file.
176 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
178 * dbxout.c (output_types_sort): Add a comment.
179 (output_used_types): Free the VEC.
181 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
183 * function.c (reorder_fix_fragments): Delete.
184 (reorder_blocks): Don't call it.
185 (reorder_blocks_1): Put all subblocks under the origin block.
187 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
189 PR rtl-optimization/27907
190 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
193 2006-07-25 Roger Sayle <roger@eyesopen.com>
196 * convert.c (convert_to_integer): When transforming (T)foo(x) into
197 bar(x) check that bar's result type can represent all the values of T.
199 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
201 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
203 2006-07-25 Nick Clifton <nickc@redhat.com>
205 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
207 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
208 (ggc_pch_count_object): Likewise.
209 (ggc_pch_alloc_object): Likewise.
210 (ggc_pch_write_object): Likewise.
211 (init_ggc): Do not attempt to initialize entries in the
212 size_lookup[] array for objects whose size is greater than than
213 the length of the array.
215 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
217 * dbxout.c (output_used_types_helper): Push queued types
219 (output_types_sort): New.
220 (output_used_types): Collect used types on a VEC and sort them
223 2006-07-24 Richard Guenther <rguenther@suse.de>
226 * cgraph.c (cgraph_remove_node): Do not check if dumps
228 * cgraphunit.c (cgraph_optimize): Likewise.
230 2006-07-24 Jan Hubicka <jh@suse.cz>
232 PR rtl-optimization/28071
233 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
234 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
235 splitting before first stmt.
237 2006-07-24 Jan Hubicka <jh@suse.cz>
239 PR rtl-optimization/28071
240 * ipa-inline.c (update_caller_keys): Remove edges that
241 are no longer inline candidates.
243 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
246 * dbxout.c (output_used_types_helper, output_used_types): New.
247 (dbxout_symbol): Call output_used_types.
249 2006-07-23 Jan Hubicka <jh@suse.cz>
253 * cgraph.c (cgraph_varpool_nodes): Export.
254 (decide_is_variable_needed): Ignored "used" attribute in
256 * cgraph.h (cgraph_varpool_nodes): Declare.
257 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
260 2006-07-23 Roger Sayle <roger@eyesopen.com>
263 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
264 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
265 the __gthrw form of thr_keycreate.
266 (__gthread_key_delete): Silence the unused argument warning.
268 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
271 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
272 Cache the last found '\0' marker to avoid quadratic behavior.
274 2006-07-23 Jan Hubicka <jh@suse.cz>
276 * i386.md (subsi_3_zext): Fix output template.
278 2006-07-21 Mike Stump <mrs@apple.com>
280 * doc/invoke.texi (C++ Dialect Options): Note that
281 -fvisibility-inlines-hidden doesn't affect explicitly
282 instantiationed inline methods.
284 2006-07-20 Roger Sayle <roger@eyesopen.com>
286 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
287 if the target assembler is GNU binutils' gas.
288 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
289 whether to pass GNU gas or native as command line options.
291 2006-07-20 Jason Merrill <jason@redhat.com>
293 * tree.c (remove_attribute): New fn.
294 * tree.h: Declare it.
296 2006-07-20 Paul Brook <paul@codesourcery.com>
299 * cse.c (cse_insn): Add destination addresses to hash table. Check if
300 they are invalidated by this instruction.
302 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
305 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
307 2006-07-20 Eric Christopher <echristo@apple.com>
310 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
312 2006-07-19 Eric Christopher <echristo@apple.com>
314 * config/t-slibgcc-darwin (stmp-lipo): Remove.
315 Rewrite dependencies for libgcc_s.1.dylib.
317 2006-07-19 Jakub Jelinek <jakub@redhat.com>
319 * except.c (duplicate_eh_regions_1): Clear next_peer.
321 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
323 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
324 -mlongcall does not guarantee all calls will be long.
325 * doc/extend.texi (long_call/short_call): Document that longcall
326 does not guarantee a long call will be used.
327 (longcall/shortcall): Likewise.
329 2006-07-18 Roger Sayle <roger@eyesopen.com>
332 * expmed.c (expand_shift): Additionally check that the shift_cost
333 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
334 before implementing a LSHIFT_EXPR as a sequence of additions.
335 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
336 middle-end that DImode shifts need to be synthesized by expand.
338 2006-07-18 Diego Novillo <dnovillo@redhat.com>
341 * tree-ssa-operands.c (access_can_touch_variable): Update
343 Return true if ALIAS is .GLOBAL_VAR.
345 2006-07-18 David Daney <ddaney@avtrex.com>
347 * gcc.c (display_help): Fix typo in help text.
349 2006-07-18 Olivier Hainque <hainque@adacore.com>
351 * tree.h (categorize_ctor_elements): Adjust prototype and add
352 descriptive comment, both in accordance with the interface change
354 * varasm.c (constructor_static_from_elts_p): New function.
355 Whether a constructor node is a valid static constant initializer
356 if all its elements are.
357 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
358 * output.h: Declare it.
359 * expr.c (categorize_ctor_elements_1): Return whether the constructor
360 is a valid constant initializer instead of computing the number of
361 non-constant elements. Use constructor_static_from_elts_p for this
362 purpose. Replace the head comment with an indication that this is a
363 helper for categorize_ctor_elements.
364 (categorize_ctor_elements): Same interface change as for the _1
365 helper. Former head comment from this helper moved here, adjusted to
366 account for the interface changes.
367 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
368 (all_zeros_p): Likewise.
369 * gimplify.c (gimplify_init_constructor): Decide whether we can make
370 static versions of the constructor from the categorize_ctor_elements
371 return value instead of the formerly computed number of non-constant
374 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
376 * configure: Regenerate.
377 * Makefile.in (build_libsubdir): New configure substitution
378 (build_libobjdir): New variable.
379 (BUILD_LIBIBERTY): Use it.
381 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
384 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
386 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
389 * c-common.c (handle_weakref_attribute): Ignore attribute in
390 the same conditions the alias attribute is ignored.
392 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
394 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
395 (dbxout_begin_prologue): Increment scope_labelno.
397 2006-07-17 Richard Henderson <rth@redhat.com>
400 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
403 2006-07-17 Roger Sayle <roger@eyesopen.com>
404 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
406 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
407 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
408 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
409 functions such as sbrk, write, etc.. Add function prototypes.
410 Convert function declarations from K&R to ISO C. Cast pointers
411 to "long" and "unsigned long" instead of "int" and "unsigned int".
412 Convert tokens following #endif into comments.
414 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
416 * invoke.texi: Remove mention of f77; Reformat table for
417 inline parameter options correctly; mention that -malign-double
418 is default on x86-64 targets.
420 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
422 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
423 (convert_affine_scev, chrec_convert_aggressive): Use
424 avoid_arithmetics_in_type_p. Do not check for the subtypes
427 2006-07-17 Richard Sandiford <richard@codesourcery.com>
430 * optabs.c (expand_doubleword_shift): Wrap the call to
431 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
433 2006-07-17 Richard Sandiford <richard@codesourcery.com>
436 * optabs.c (expand_binop): Pass next_methods rather than methods
437 to expand_doubleword_shift.
439 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
442 * tree.h (dump_addr): Declare.
443 * print-tree.c (dump_addr): New function.
444 (print_node_brief, print_node): Use it.
445 * print-rtl.c (print_rtx): Likewise.
446 * common.opt (-fdump-noaddr): New option.
447 * doc/invoke.texi (-fdump-noaddr): Document.
448 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
449 (ve_info_hash): Likewise.
451 2006-07-13 Andrew Haley <aph@redhat.com>
453 PR tree-optimization/19505
454 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
455 edge leaving this block, make sure that the destination of this
456 block has only one predecessor.
458 2006-07-17 Richard Guenther <rguenther@suse.de>
460 PR tree-optimization/28238
461 * tree-inline.c (copy_bb): Check if we produced valid
462 gimple copying and substituting a stmt. If not, gimplify
465 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
467 * optabs.c (maybe_encapsulate_block): New function extracted from...
468 (emit_libcall_block): ...here. Invoke it on the block of insns to
469 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
470 (emit_no_conflict_block): Likewise.
472 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
474 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
476 2006-07-15 Roger Sayle <roger@eyesopen.com>
478 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
479 a new NOP_EXPR case of the switch statement.
481 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
484 * stor-layout.c (place_field): Take the bit field with
485 an excessive size into account in the ms-bitfiled case.
488 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
489 the previous bit field.
491 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
494 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
496 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
498 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
499 signal frames correctly even when the signal was installed with
502 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
504 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
505 (dbxout_function_end): Use local label LFBB. Remove hook
507 (dbxout_source_line): Use local label LFBB.
508 (dbxout_block): Likewise.
509 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
510 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
511 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
514 2006-07-13 Janis Johnson <janis187@us.ibm.com>
516 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
518 2006-07-13 Jan Hubicka <jh@suse.cz>
520 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
522 * output.h (align_variable): Declare.
523 * varasm.c (align_variable): Export.
524 * value-prof.c (tree_value_profile_transformations): Recompute iterator
525 when basic block changed.
527 2006-07-13 Nick Clifton <nickc@redhat.com>
529 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
530 walking the LOG_LINKS chain.
532 2006-07-12 Geoffrey Keating <geoffk@apple.com>
534 * doc/invoke.texi (C++ Dialect Options): Explain difference
535 between -fvisibility-inlines-hidden and setting hidden
536 visibility explicitly.
538 2006-07-12 Eric Christopher <echristo@apple.com>
540 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
541 (stmp-lipo): Depend on libgcc.a.
543 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
545 * tree.c: Fix a comment typo.
547 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
549 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
551 (umulhisi3_r): Likewise.
553 2006-07-12 Paolo Carlini <pcarlini@suse.de>
556 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
557 x < 19, vs wchar_t support.
559 2006-07-12 Nick Clifton <nickc@redhat.com>
561 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
564 2006-07-12 Mike Stump <mrs@apple.com>
566 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
568 2006-07-10 Eric Christopher <echristo@apple.com>
570 * config/t-slibgcc-darwin: Rewrite.
572 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
575 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
578 2006-07-08 Matthias Klose <doko@debian.org>
580 * doc/sourcebuild.texi: Fix typo.
582 2006-07-07 Mike Stump <mrs@apple.com>
584 * toplev.c (process_options): Don't give -ffunction-sections may
585 affect debugging warning for Mach-O.
587 2006-07-07 James E Wilson <wilson@specifix.com>
589 * config/mips/mips.md (cpu): Add sb1a.
590 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
591 addition to sb1. Adjust comments to clarify SB-1A differences from
593 (ir_sb1a_load): New. Modify bypasses to use it.
594 (ir_sb1a_simple_alu): Likewise.
595 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
596 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
597 (mips_issue_rate): Add PROCESSOR_SB1A.
598 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
599 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
600 (TARGET_SB1): Add PROCESSOR_SB1A check.
601 (TUNE_SB1): Likewise.
603 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
604 * config/mips/mips.c (mips_store_data_bypass_p): New.
605 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
608 2006-07-08 Paul Brook <paul@codesourcery.com>
611 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
613 2006-07-07 Richard Guenther <rguenther@suse.de>
616 * tree.h (build_one_cst): Declare.
617 * tree.c (build_one_cst): New function.
618 * tree-ssa-math-opts.c (get_constant_one): Remove.
619 (insert_reciprocals): Use build_one_cst.
620 * fold-const.c (fold_plusminus_mult): Likewise.
622 2006-07-07 Roger Sayle <roger@eyesopen.com>
624 * pointer-set.c (pointer_set_destroy): Correct whitespace.
625 * cfgloopanal.c (dump_graph): Likewise.
626 * dojump.c (discard_pending_stack_adjust): Likewise.
627 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
629 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
630 * function.c (finalize_block_changes): Likewise.
631 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
632 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
633 * rtl.c (dump_rtx_statistics): Likewise.
634 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
636 * varray.c (dump_varray_statistics): Likewise.
637 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
638 decode_decimal64, encode_decimal128, decode_decimal128,
639 decimal_real_to_decimal): Likewise.
641 2006-07-07 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/28187
644 * tree-vrp.c (vrp_operand_equal_p): New function.
645 (vrp_bitmap_equal_p): Likewise.
646 (update_value_range): Use them to compare old and new
649 2006-07-06 Roger Sayle <roger@eyesopen.com>
651 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
652 a default case to switch statement to silence compiler warnings.
654 2006-07-06 Roger Sayle <roger@eyesopen.com>
657 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
658 the configured assembler supports the x87's ffreep mnemonic.
659 * configure: Regenerate.
660 * config.in: Regenerate.
662 * config/i386/i386.c (output_387_ffreep): New function.
663 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
664 (output_387_reg_move): Likewise.
666 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
668 Port to hosts whose 'sort' and 'tail' implementations
669 treat operands with leading '+' as file names, as POSIX
670 has required since 2001. However, make sure the code still
671 works on pre-POSIX hosts.
672 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
673 which says you should use "tail -c +N" rather than "tail +Nc".
674 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
676 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
678 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
681 2006-07-06 David Edelsohn <edelsohn@gnu.org>
684 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
685 PRE_{INC,DEC} of TFmode.
687 2006-07-06 David Edelsohn <edelsohn@gnu.org>
688 Alan Modra <amodra@bigpond.net.au>
691 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
694 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
697 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
698 Remove duplicate gtu.
700 2006-07-05 Jason Merrill <jason@redhat.com>
704 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
705 * c-common.c (handle_packed_attribute): So don't copy it here.
706 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
708 2006-07-05 Mike Stump <mrs@apple.com>
710 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
712 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
715 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
717 2006-07-05 Richard Guenther <rguenther@suse.de>
720 * config/i386/i386.md (*negdf2_1): Restrict pattern to
721 TARGET_SSE2 targets if using SSE math.
722 (*absdf2_1): Likewise.
724 2006-07-05 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/28162
727 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
728 make sure to convert the operands to the correct type.
730 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
732 PR tree-optimization/28218
734 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
735 to calculate and free the dominator information.
737 2006-07-04 Peter O'Gorman <peter@pogma.com>
739 * mklibgcc.in: chmod 644 before ranlib during install.
741 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
742 J"orn Rennecke <joern.rennecke@st.com>
744 * configure.ac (.eh_frame data check): Use diff -b.
746 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
749 * Makefile.in (BUILD_RTL): Add build/vec.o.
750 (build/gencondmd.o): Filter out -fkeep-inline-functions.
751 (build/genextract): Delete.
752 (build/genautomata): Likewise.
754 2006-07-04 Alan Modra <amodra@bigpond.net.au>
757 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
758 128-bit IBM long doubles for ABI_V4.
760 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
762 * tree.c (range_in_array_bounds_p): New predicate.
763 * tree.h (range_in_array_bounds_p): Declare it.
764 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
765 return a less conservative answer.
766 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
768 (IS_ELEMENT_FOR_GROUP): New macro.
769 (FOR_EACH_ACTUAL_CHILD): Likewise.
770 (next_child_for_group): New helper function.
771 (can_completely_scalarize_p): Take into account groups.
772 (sra_hash_tree): Handle RANGE_EXPR.
773 (sra_elt_eq): Likewise.
774 (lookup_element): Be prepared for handling groups.
775 (is_valid_const_index): Delete.
776 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
777 instead of is_valid_const_index.
778 <ARRAY_RANGE_REF>: New case.
779 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
780 is_valid_const_index.
781 <ARRAY_RANGE_REF>: Do not unconditionally punt.
782 (scan_dump): Dump info for groups too.
783 (decide_instantiation_1): Likewise.
784 (decide_block_copy): Assert that the element is not a group.
785 Propagate decision to groups.
786 (generate_one_element_ref): Handle RANGE_EXPR.
787 (mark_no_warning): Iterate over actual childs.
788 (generate_copy_inout): Likewise.
789 (generate_element_copy): Likewise.
790 (generate_element_zero): Likewise.
791 (generate_element_init_1): Likewise.
792 (dump_sra_elt_name): Handle RANGE_EXPR.
794 2006-07-03 Roger Sayle <roger@eyesopen.com>
796 PR tree-optimization/26251
797 * tree-ssa-threadupdate.c (redirection_block_p): New function.
798 (thread_block): When optimizing for size refuse to thread jumps
799 that would require duplication of blocks other than redirection
802 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
804 * configure.ac: Fix thinko in previous check-in.
805 * configure: Regenerate.
807 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
810 * configure.ac (for lang...): Simplify nesting of conditionals.
811 Test subdir_requires for non-enabled languages. Move processing
812 of lang_opt_files and lang_tree_fiels below that test.
813 * configure: Regenerate.
814 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
816 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
818 * doc/gcov.texi (Invoking Gcov): Add a missing word.
820 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
822 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
825 2006-06-29 Jason Merrill <jason@redhat.com>
832 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
833 * c-common.c (c_determine_visibility): Handle it here.
834 * c-decl.c (finish_decl): Call c_determine_visibility for
836 * flags.h (enum symbol_visibility): Sort from most to least visibility.
838 * varasm.c (default_assemble_visibility): Likewise.
839 * c-common.c (handle_visibility_attribute): Complain about trying
840 to give visibility to an already defined class, or trying to change
841 declared visibility. Always attach the attribute.
846 * attribs.c (decl_attributes): Ignore type-in-place attributes
847 once the type has been defined.
849 2006-06-29 Roger Sayle <roger@eyesopen.com>
852 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
853 to indicate the cpplib has issued an error message for us.
855 2006-06-29 Asher Langton <langton2@llnl.gov>
858 * config/i386/i386.c (ix86_output_function_epilogue): Don't
859 insert a label at the end of an function under Mach-O.
861 2006-06-29 Eric Christopher <echristo@apple.com>
862 Evan Cheng <evan.cheng@apple.com>
864 * predicates.md (vector_all_ones_operand): New.
865 (nonimmediate_or_sse_const_operand): Ditto.
866 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
867 * config/i386/i386.c (standard_sse_constant_opcode): Define.
868 (standard_sse_mode_p): Ditto.
869 (standard_sse_constant_p): Add case for -1 vector.
870 (ix86_expand_vector_move): Try to use.
871 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
872 Call standard_sse_constant_opcode.
873 (*movv4sf_internal): Ditto.
874 (*movv2df_internal): Ditto.
876 2006-06-29 Roger Sayle <roger@eyesopen.com>
878 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
879 of XEXP to extract the operands of a MATCH_CODE rtx.
881 2006-06-28 Andrew Pinski <pinskia@gmail.com>
883 * tree.c (tree_size): Do not waste tail padding in
884 struct tree_string and make the size be the same as
885 build_string will generate.
887 2006-06-28 Jason Merrill <jason@redhat.com>
890 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
891 may_aliases already in the tag's annotations to the bitmap.
893 2006-06-28 Roger Sayle <roger@eyesopen.com>
895 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
897 2006-06-28 Roger Sayle <roger@eyesopen.com>
899 * genpreds.c (generate_switch_p): New function.
900 (add_mode_tests): Push the new mode test down inside an AND expr
901 if this allows the switch-suitable MATCH_CODE to be near the root.
902 (write_match_code_switch): New function to write a MATCH_CODE as
904 (write_predicate_stmts): New function to write a predicate RTX
905 expression as a sequence of statements.
906 (write_one_predicate_function): Use write_predicate_stmts.
907 (write_tm_constrs_h): Likewise.
909 2006-06-26 Fred Fish <fnf@specifix.com>
911 * config/mips/t-sb1: New file.
912 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
915 2006-06-26 DJ Delorie <dj@redhat.com>
917 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
919 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
920 Jayant Sonar <jayants@kpitcummins.com>
921 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
923 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
924 (subsi3, subsi3_1, subsi3_2): New.
925 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
926 * config/m32c/mov.md (SI mov peephole): New.
927 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
928 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
930 2006-06-26 Olivier Hainque <hainque@adacore.com>
932 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
933 a CALL_EXPR target function declaration.
935 2006-06-26 Richard Guenther <rguenther@suse.de>
937 * tree.c (build_string): Do not waste tail padding in
940 2006-06-26 Richard Guenther <rguenther@suse.de>
942 * ggc-page.c (init_ggc): Add missing element to size_lookup
946 2006-06-23 Richard Guenther <rguenther@suse.de>
948 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
949 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
950 alignment requests instead. Add verification code.
951 Add struct tree_function_decl and struct tree_binfo size to
952 extra_order_size_table. Add missing element to size_lookup
955 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
958 * fold-const.c (const_binop): Be prepared for self returning zero.
959 Simplify code handling complex values.
961 2006-06-24 Olivier Hainque <hainque@adacore.com>
963 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
964 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
967 2006-06-24 Olivier Hainque <hainque@adacore.com>
969 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
970 ARRAY_REF, so have the callback called for the low bound expression.
972 2006-06-23 Janis Johnson <janis187@us.ibm.com>
974 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
975 * c-typeck.c (c_common_type): Disallow operations on decimal float
976 types and other float types.
977 * convert.c (convert_to_real): Don't ignore conversions involving
980 2006-06-23 Olivier Hainque <hainque@adacore.com>
982 * tree.c (max_int_size_in_bytes): New function, inspired from
983 code in function.c:assign_temp.
984 * tree.h (max_int_size_in_bytes): Declare.
985 * function.c (assign_temp): Use it.
986 * gimplify.c (create_tmp_var): Relax the assertions on the type
987 properties, not mandating constant size any more.
988 (force_constant_size): New static function.
989 (gimple_add_tmp_var): Use it, forcing variable size to a
990 constant upper bound if it is not constant on entry.
992 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
995 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
996 for initialization and setting of one_only flag to ...
997 (i386_pe_encode_section_info): ...here.
998 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
999 Recheck that the symbol has not been defined.
1001 2006-06-23 Richard Guenther <rguenther@suse.de>
1003 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1004 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1005 alignment requests instead. Add verification code.
1006 Add struct tree_function_decl and struct tree_binfo size to
1007 extra_order_size_table. Add missing element to size_lookup
1010 2006-06-22 Roger Sayle <roger@eyesopen.com>
1011 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1014 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1015 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1017 2006-06-23 Ben Elliston <bje@au.ibm.com>
1019 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1020 negate dn -- manipulate it directly.
1022 2006-06-22 Roger Sayle <roger@eyesopen.com>
1023 Steven Bosscher <stevenb.gcc@gmail.com>
1026 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1027 generated by gen_move_insn to add REG_LABEL notes if necessary.
1029 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1031 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1032 (leaf_entry): Remove use of MIN_ESA.
1034 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1036 PR rtl-optimization/28121
1037 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1040 2006-06-21 DJ Delorie <dj@redhat.com>
1042 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1044 (mulhisi3_r): Likewise.
1046 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1049 * coverage.c (coverage_counter_alloc): Leave the index type
1051 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1054 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1056 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1057 section from the "Options for Code Generation Conventions".
1059 2006-06-21 Richard Henderson <rth@redhat.com>
1063 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1065 (global_symbolic_operand): Allow weak symbols, even if local_p.
1067 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1069 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1070 (find_interesting_uses_address): Punt if above function returns true.
1072 2006-06-21 Richard Guenther <rguenther@suse.de>
1074 * configure: Regenerated.
1076 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1078 * config/mips/mips.c (function_arg): Where one part of a
1079 complex argument is in registers and the other part in the stack,
1080 return a REG not a PARALLEL.
1082 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1084 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1085 when cross-compiling. Do not substitute libstdcxx_incdir.
1086 * configure: Regenerated.
1088 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1090 * varasm.c (mergeable_string_section): Check for embedded NULs and
1091 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1092 rather than TREE_STRING_LENGTH bytes.
1094 2006-06-21 Richard Guenther <rguenther@suse.de>
1096 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1097 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1100 2006-06-21 Richrad Guenther <rguenther@suse.de>
1102 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1103 Limit iteration over the dominators.
1105 2006-06-20 Roger Sayle <roger@eyesopen.com>
1107 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1108 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1110 2006-06-20 Richard Guenther <rguenther@suse.de>
1111 Michael Matz <matz@suse.de>
1113 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1115 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1116 * et-forest.h (et_free_pools): Prototype new function.
1117 * et-forest.c (et_free_tree_force): Free parent occurrence.
1118 (et_free_pools): New function.
1119 * dominance.c (free_dominance_info): Free et-forest alloc
1122 2006-06-20 Roger Sayle <roger@eyesopen.com>
1124 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1125 integer modes, attempt to directly construct an integer constant.
1127 * fold-const.c (native_encode_vector): Determine the size of each
1128 element from the vector type instead of the first vector element.
1130 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1131 if all of its elements/components are constant.
1132 (build_constructor_from_list): Likewise.
1134 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1136 PR tree-optimization/27331
1137 * tree-data-ref.c (free_data_ref): New function.
1138 (create_data_ref): Fail if the data reference has unknown access
1140 (free_data_refs): Use free_data_ref.
1142 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1145 * tree-inline.c (setup_one_parameter): Strip useless
1146 type conversion before adding it to the IR.
1147 (declare_return_variable): Likewise.
1149 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1152 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1154 2006-06-19 Mike Stump <mrs@apple.com>
1156 * tree.c (variably_modified_type_p): VM arguments don't make the
1159 2006-06-19 Richard Guenther <rguenther@suse.de>
1161 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1162 type conversions after folding.
1164 2006-06-19 Richard Guenther <rguenther@suse.de>
1166 * ggc-page.c (extra_order_size_tab): Add entries with
1167 size of struct function and basic_block.
1168 (size_lookup): Extend to cover sizes up to 511.
1169 (ggc_alloc_stat): Adjust user.
1170 (ggc_pch_count_object): Likewise.
1171 (ggc_pch_alloc_object): Likewise.
1172 (ggc_pch_write_object): Likewise.
1174 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1176 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1177 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1180 2006-06-19 Denis Chertykov <denisc@overta.ru>
1182 * config/avr/libgcc.S : Correct my wrong previous commit.
1184 2006-06-19 Roger Sayle <roger@eyesopen.com>
1187 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1188 have stripped a SUBREG from the shift count, so we may need to
1189 convert_to_mode back to the type's mode before calling make_tree.
1190 Use new_amount instead of amount to avoid expanding a tree twice.
1192 2006-06-19 Richard Guenther <rguenther@suse.de>
1195 * fold-const.c (operand_equal_p): Check if the argument types
1196 have the same precision before stripping NOPs.
1198 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1200 Fix PR tree-optimization/27341
1201 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1203 * tree-complex.c (pass_lower_complex): Update SMT usage.
1205 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1207 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1208 Add a new alternative to the constraint strings. Add move of
1209 operand 1 to 3 to the splitter definition.
1210 ("doloop_si_long"): Second contraint alternative removed.
1212 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1214 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1215 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1217 (AVR_HAVE_MOVW) Define.
1218 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1219 (ASM_SPEC): Add avr25.
1220 (LINK_SPEC): Add avr25.
1221 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1222 (base_arch_s): Add new member 'have_movw_lpmx'.
1223 (avr_arch_types): Init 'have_movw_lpmx'.
1224 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1225 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1226 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1227 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1228 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1230 (avr_file_start): Do not output '.arh' derective.
1231 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1232 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1233 * config/avr/avr.md (mcu_enhanced): Delete.
1234 (mcu_have_movw): Define.
1235 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1236 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1237 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1238 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1239 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1240 attiny861 and at86rf401 devices.
1242 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1244 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1247 2006-06-17 Karl Berry <karl@gnu.org>
1249 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1250 doc/gccint.texi, doc/install.texi (@dircategory): Use
1251 "Software development" instead of "Programming", following
1252 the Free Software Directory.
1254 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1256 * config/i386/i386.c (legitimate_tls_address)
1257 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1258 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1259 (*tls_dynamic_gnu2_combine_64): Likewise.
1261 2006-06-16 Richard Guenther <rguenther@suse.de>
1264 * fold-const.c (negate_expr_p): Do not introduce undefined
1265 overflow in negating INTEGER_CSTs.
1266 (fold_negate_expr): Rename from negate_expr. Revert last
1267 change for folding BIT_NOT_EXPR. Change semantics to
1268 return NULL_TREE for non-simplified negations. Do not
1269 strip type conversions and unify type handling.
1270 (negate_expr): New function, wrap around fold_negate_expr
1271 but ensure building a tree always. Strip type conversions
1272 here, fold to result type.
1273 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1275 2006-06-16 Roger Sayle <roger@eyesopen.com>
1278 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1279 that (would) return their results in stack registers.
1281 2006-06-16 Michael Matz <matz@suse.de>
1282 Richard Guenther <rguenther@suse.de>
1284 * fold-const.c (fold_truthop): Only return new tree node if
1285 we canonicalized something.
1287 2006-06-16 Richard Guenther <rguenther@suse.de>
1289 * function.h (enum function_frequency): Move declaration
1290 out of struct function.
1291 (struct function): Move bool fields and the enum to the bitfield
1292 section. Reorder elements to avoid padding. Remove unused
1293 fields left over from the RTL inliner removal.
1294 * function.c (free_after_compilation): Do not zero removed fields.
1295 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1296 (ipa-type-escape.o): Likewise.
1298 2006-06-16 Richard Guenther <rguenther@suse.de>
1300 * cgraph.h (struct cgraph_local_info): Turn bool elements
1302 (struct cgraph_node): Likewise.
1303 (struct cgraph_varpool_node): Likewise.
1305 2006-06-15 Richard Guenther <rguenther@suse.de>
1307 * fold-const.c (fold_truth_not_expr): Rename from
1308 invert_truthvalue. Give it fold_* semantics to avoid
1310 (invert_truthvalue): New function. Wrapper around
1311 fold_truth_not_expr.
1312 (optimize_minmax_comparison): Avoid creating garbage.
1313 (fold_unary): Use fold_truth_not_expr for folding
1315 (fold_ternary): Replace uses of invert_truthvalue with
1316 fold_truth_not_expr where applicable.
1317 * tree.h (fold_truth_not_expr): Prototype.
1319 2006-06-16 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/27781
1322 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1323 * ipa-pure-const.c (target.h): Include.
1324 (analyze_function): Do not analyze functions that do not
1327 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1330 * tree-dfa.c (referenced_vars_dup_list): Remove.
1331 (find_referenced_vars): Remove assert.
1332 (referenced_var_check_and_insert): Replace dup list with assert.
1333 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1334 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1336 2006-06-15 Richard Guenther <rguenther@suse.de>
1338 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1339 extra unused identifiers if not dumping.
1340 (create_variable_info_for): Likewise.
1342 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1344 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1345 (derive_constant_upper_bound): Derive more precise upper bound in
1346 common cases. Return type changed to double_int.
1347 (record_estimate): Reflect the changed return type of
1348 derive_constant_upper_bound.
1349 * double-int.c (double_int_zext, double_int_sext): Fix.
1351 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1353 * configure.ac (CFLAGS): Get them from the toplevel or from the
1354 configure invocation.
1355 * configure: Regenerate.
1356 * Makefile.in (CFLAGS): Substitute value provided by configure.
1358 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1361 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1362 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1363 rather than calling add_stmt on it.
1364 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1366 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1369 * reload1.c (reload): Remove registers returned by update_eliminables
1370 from used_spill_regs.
1372 2006-06-13 DJ Delorie <dj@redhat.com>
1374 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1376 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1378 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1379 html__strip_dir, html__mkdir_p. Enhance install-html target.
1380 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1381 * configure: Regenerate.
1383 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1385 * fold-const.c (fold_cond_expr_with_comparison): Check for
1386 Objective-C++ as language in deciding COND_EXPR transformation.
1388 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1391 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1392 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1393 * config/sh/lib1funcs.h (SL, SL1): Define.
1394 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1395 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1396 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1397 (OBJS_Os_4_200): New variable.
1398 ($(T)libgcc-Os-4-200.a): Use it.
1399 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1400 when dividing 1 and/or by 0.
1402 2006-06-13 Roger Sayle <roger@eyesopen.com>
1404 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1405 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1406 * configure: Regenerate.
1408 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1410 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1411 for real instruction.
1413 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1416 * haifa-sched.c (check_cfg): Handle special case.
1418 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1421 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1422 Add debug_info parameter. Chain the vars to the BLOCK instead
1423 of the BIND_EXPR if debug info are requested for them.
1424 (pop_gimplify_context): Adjust for above change.
1425 (gimple_add_tmp_var): Likewise.
1426 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1428 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1429 (convert_local_reference): Likewise.
1430 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1431 (finalize_nesting_tree_1): Request that debug info be emitted
1432 for debug_var_chain.
1434 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1436 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1437 for PR target/27863.
1439 2006-06-13 Richard Guenther <rguenther@suse.de>
1442 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1444 2006-06-13 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/27830
1447 * tree-inline.c (copy_body_r): For copying the operand
1448 of an ADDR_EXPR make sure to fold &* afterwards.
1450 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1452 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1453 lvalues in the fb_none case with side-effects.
1455 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1457 * tree-flow.h: Remove the prototype for
1458 compute_phi_arg_on_exit.
1459 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1460 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1463 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1465 * builtins.c (expand_builtin_return_addr): Only use
1466 frame_pointer_rtx when count == 0 and we are expanding
1467 __builtin_return_address.
1469 2006-06-12 Fred Fish <fnf@specifix.com>
1471 * config/mips/mips.c (mips_file_start): Create special section
1472 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1474 2006-06-11 Eric Christopher <echristo@apple.com>
1477 * stor-layout.c (place_field): Remove check for
1478 remaining_in_alignment when aligning at the end of a run.
1480 2006-06-11 Eric Christopher <echristo@apple.com>
1483 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1486 2006-06-11 Roger Sayle <roger@eyesopen.com>
1489 Revert incorrect fix for PR target/27158
1490 2006-05-08 Roger Sayle <roger@eyesopen.com>
1491 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1492 of a reg_equiv_constant if the result is a legitimate constant.
1494 2006-06-11 Roger Sayle <roger@eyesopen.com>
1497 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1498 extract a CONST_VECTOR element and interpret it as an integer.
1499 (vspltis_constant): Use const_vector_elt_as_int instead of the
1500 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1501 * config/rs6000/predicates.md (easy_vector_const): Consider
1502 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1504 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1507 * stor-layout.c (update_alignment_for_field): Don't add extra
1508 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1511 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1513 * config/mips/t-rtems: Add EL/EB multilib variants.
1515 2006-06-09 Mike Stump <mrs@apple.com>
1517 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1519 2006-06-09 David Daney <ddaney@avtrex.com>
1521 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1523 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1525 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1527 2006-06-09 Richard Guenther <rguenther@suse.de>
1529 PR tree-optimization/26998
1530 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1531 of signed types, only TYPE_MIN_VALUE is special, but for both,
1532 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1533 in this case, as is -fwrapv.
1535 2006-06-08 Mike Stump <mrs@apple.com>
1538 * config/darwin.c (darwin_asm_output_anchor): Disable
1539 -fsection-anchors on darwin for now.
1540 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1541 * rs6000/rs6000.c (optimization_options): Likewise.
1543 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1546 * config/i386/i386.c (classify_argument): Skip fields with invalid
1549 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1551 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1552 (cse_insn): Likewise for the stack_pointer_rtx.
1554 2006-06-08 Roger Sayle <roger@eyesopen.com>
1556 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1557 conditions from floating point comparisons.
1559 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1562 * expmed.c (struct alg_hash_entry): Fix type of field T
1563 to match synth_mult argument.
1564 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1566 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1569 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1572 2006-06-08 Richard Guenther <rguenther@suse.de>
1575 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1576 only, if overflow is defined and not trapping.
1577 (negate_expr): Likewise.
1579 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1581 PR tree-optimization/27872
1582 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1583 flag on the new exit edge of the unrolled loop.
1585 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1587 PR rtl-optimization/26449
1588 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1590 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1593 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1594 referenced_variables with matching DECL_UID's.
1595 (find_referenced_vars): Make sure duplicate list is empty to start.
1596 (referenced_var_p): Remove.
1597 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1598 Check if var is in the list, and add if needed. Update the duplicate
1599 list if a different var is in the list with the same DECL_UID.
1600 (add_referenced_var): Call routine to check and insert.
1601 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1602 * tree-flow.h (referenced_vars_dup_list): External declaration.
1604 2006-06-07 Fred Fish <fnf@specifix.com>
1606 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1609 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1612 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1613 the imaginary and real parts of a clobbered register.
1614 Emit insn to set the imaginary part.
1616 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1618 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1619 in lieu of unwind-dw2-fde.c.
1621 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1623 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1625 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1628 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1629 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1630 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1631 V4SImode temporaries and operations instead.
1633 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1635 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1638 2006-06-06 Mike Stump <mrs@apple.com>
1640 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1641 installing during build.
1643 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1645 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1647 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1648 * config/ia64/ia64.c (params.h): New header.
1649 (ia64_optimization_options): New function to adjust parameters.
1650 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1651 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1652 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1654 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1656 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1658 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1661 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1663 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1664 Victor Kaplansky <victork@il.ibm.com>
1666 PR tree-optimization/26360
1667 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1670 2006-06-04 Roger Sayle <roger@eyesopen.com>
1671 Andrew Pinski <pinskia@physics.uc.edu>
1674 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1675 for LABEL_DECL before calling DECL_WEAK.
1678 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1679 LABEL_DECL and PARM_DECL.
1681 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1685 * c-decl.c (grokdeclarator): Disallow variably modified types at
1686 file scope. Avoid marking shared array type of constant size as
1689 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1692 * c-common.c (fold_offsetof_1): Handle static members.
1694 2006-06-04 Eric Christopher <echristo@apple.com>
1696 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1697 (debug_rli): Output value for remaining_in_alignment.
1698 (update_alignment_for_field): Unconditionalize
1699 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1700 extra alignment code.
1701 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1702 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1703 * tree.h (record_layout_info_s): Remove prev_packed.
1704 * doc/extend.texi (ms_struct): Add documentation of format.
1706 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1708 * tree.h: Declare folding_initializer.
1709 * builtins.c (fold_builtin_constant_p): Give definite answer
1710 if folding inside an initializer.
1711 * fold-const.c: Define folding_initializer.
1712 (START_FOLD_INIT): Save and then set folding_initializer.
1713 (END_FOLD_INIT): Restore folding_initializer.
1715 2006-06-04 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/27039
1718 * fold-const.c (fold_comparison): Handle pointer comparison
1719 again for all comparison codes. Compare offsets in signed
1721 (fold_binary): Move code from here.
1723 2006-06-03 Roger Sayle <roger@eyesopen.com>
1726 * config/i386/i386.c (construct_container): Split static issued_error
1727 flag into issued_sse_arg_error, issued_sse_ret_error and
1728 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1729 requires the use of x87 registers and the user explicitly
1730 specified the -mno-80387 command line option.
1732 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1734 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1735 HAVE_DECL_SIGALTSTACK.
1737 (segv_handler): Use MC_FLD.
1738 * configure.ac: Check for a sigaltstack declaration.
1739 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1740 * configure: Regenerate.
1741 * config.in: Regenerate.
1743 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1746 * Makefile.in (stmp-fixinc): Fix typo.
1748 2006-06-02 Roger Sayle <roger@eyesopen.com>
1750 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1751 are type correct. Clean-up.
1752 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1753 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1755 2006-06-01 DJ Delorie <dj@redhat.com>
1757 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1758 shift, as we've disabled the "switch" insn that needs it.
1760 2006-06-01 Per Bothner <bothner@bothner.com>
1762 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1763 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1764 * c-ppoutput.c (cb_define): Don't increment line 0.
1766 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1768 * doc/invoke.texi: Add cpu_type power6.
1769 * config.gcc: Add cpu_type power6.
1770 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1771 to power5+ with Altivec.
1772 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1773 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1775 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1777 * config/avr/avr.h (SET_ASM_OP): Define.
1779 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1781 * config/bfin/bfin.c: Fix comment typos.
1783 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1786 * doc/install.texi: Document --enable-bootstrap and
1787 --disable-bootstrap.
1789 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1791 * doc/install.texi: Document that InfoZIP can replace jar.
1793 2006-05-31 Roger Sayle <roger@eyesopen.com>
1795 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1796 isn't available, directly generate the simpler x87 patterns without
1797 the (use (const_int 0)).
1798 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1799 implementation isn't available.
1800 (*negdf2_1): Likewise.
1801 (*negxf2_1): XF mode negation is always done using the x87.
1802 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1804 2006-05-31 Roger Sayle <roger@eyesopen.com>
1806 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1807 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1809 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1811 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1813 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1814 * config/bfin/bfin.c (basic-block.h): Include.
1815 (struct machine_function): New.
1816 (bfin_init_machine_status): New.
1817 (override_options): Initialize init_machine_status.
1818 (bfin_hardware_loop): New.
1819 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1820 (DEF_VEC_P (loop_info)): New.
1821 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1822 (struct loop_info): New.
1823 (loop_info): New typedef.
1824 (struct loop_work): New.
1825 (loop_work): New typedef.
1826 (DEF_VEC_O (loop_work)): New.
1827 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1828 (bfin_dump_loops): New.
1829 (bfin_bb_in_loop): New.
1830 (bfin_scan_loop): New.
1831 (bfin_optimize_loop): New.
1832 (bfin_reorg_loops): New.
1833 (bfin_reorg): Use bfin_reorg_loops.
1834 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1836 (I_REGNO_P): Simplify.
1837 (DP_REGNO_P, DPREG_P): New macros.
1838 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1839 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1840 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1841 Add LT_REGS, LC_REGS, LB_REGS.
1842 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1844 (REGNO_REG_CLASS): Deal with loop registers.
1845 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1847 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1848 New constants for loop registers.
1849 (UNSPEC_LSETUP_END): New.
1850 (seq_insns): New define_attr. Set it for appropriate insns.
1851 (movsi_insn): Add alternatives for move from/to
1852 loop count registers.
1853 (doloop_end): New define_expand.
1854 (loop_end): New define_insn.
1855 (define_split for bad doloop_end): New.
1856 (lsetup_with_autoinit): New define_insn.
1857 (lsetup_without_autoinit): New define_insn.
1858 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1859 * config/bfin/predicates.md (lc_register_operand): New.
1860 (lt_register_operand): New.
1861 (lb_register_operand): New.
1862 (nondp_register_operand): New.
1863 (nondp_reg_or_memory_operand): New.
1864 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1866 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1868 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1869 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1871 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1873 * Makefile.in (CATALOGS): Add po/ prefix.
1874 * configure: Regenerated.
1876 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1879 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1880 a shift operand before calling shift_op. Avoid redundant call of
1883 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1884 DJ Delorie <dj@redhat.com>
1886 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1887 we're inserting is a singlt-bit constant.
1889 2006-05-30 Roger Sayle <roger@eyesopen.com>
1891 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1892 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1894 2006-05-30 Roger Sayle <roger@eyesopen.com>
1896 PR tree-optimization/23452
1897 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1898 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1899 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1900 complex values and with -ffast-math for FP complex values.
1902 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1904 * c-common.h: Remove the prototype for yyparse.
1905 * rtl.h: Remove the prototype for init_loop.
1907 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1909 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1912 2006-05-30 Roger Sayle <roger@eyesopen.com>
1914 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1916 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1917 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1919 2006-05-30 Dirk Mueller <dmueller@suse.de>
1922 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1923 for CONSTANT_CLASS_P expresisons.
1925 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1928 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1930 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1932 PR tree-optimization/27779
1933 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1934 initial_condition instead of CHREC_LEFT.
1936 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1938 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1939 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1940 Make prototypes ISO C90.
1942 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1943 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1945 * see.c (see_analyze_one_def): Correct check.
1946 (see_get_extension_data): Check if extension is parallel.
1947 (see_get_extension_reg): Likewise.
1949 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1952 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1953 into register for (code == GTU).
1955 2006-05-29 Roger Sayle <roger@eyesopen.com>
1957 PR tree-optimization/24964
1958 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1959 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1960 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1961 abs(x)*abs(x) as x*x for scalar floating point modes.
1963 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1966 * lambda-code.c (perfect_nestify): Don't copy statements
1967 in the inner loop: move them to the inner loop header.
1969 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1972 * c-tree.texi: Document OpenMP directives and clauses.
1974 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1976 * varasm.c (globalize_decl): Fix indentation.
1978 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1981 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1982 pass_fre, pass_store_ccp, pass_copy_prop,
1983 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1984 pass_return_slot, pass_object_size, pass_lim,
1985 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1986 pass_loop_prefetch and pass_stdarg.
1988 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1990 * config/bfin/bfin.opt (mfdpic): New option.
1991 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1992 (EXTRA_MULTILIB_PARTS): Likewise.
1993 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1994 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1996 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1997 (CRT_CALL_STATIC_FUNCTION): New.
1998 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2000 (CRT_CALL_STATIC_FUNCTION): New.
2001 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2003 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2004 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2005 (initialize_trampoline): Changed to handle FD-PIC code generation.
2006 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2007 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2008 (override_options): Disallow -mid-shared-library -mfdpic combination.
2009 Can't do unaligned ops if FD-PIC.
2010 Turn off flag_pic if trying to generate non-id-shared-library
2011 non-fdpic code, since it's not supported.
2012 (bfin_assemble_integer): New function.
2013 (TARGET_ASM_INTEGER): Define.
2014 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2016 * config/bfin/crtn.s: Restore them.
2017 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2019 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2020 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2021 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2022 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2023 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2025 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2026 FDPIC_REGS and FDPIC_FPTR_REGS.
2027 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2028 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2029 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2030 (load_funcdescsi): New pattern.
2031 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2032 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2033 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2035 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2037 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2040 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2042 * tree-flow.h: Remove the prototype for add_type_alias.
2043 * tree-ssa-alias.c (add_type_alias): Remove.
2045 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2047 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2048 config/fr30/fr30.md, config/i386/i386-interix.h,
2049 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2050 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2051 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2052 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2053 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2054 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2055 Follow spelling conventions.
2056 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2057 Follow spelling conventions.
2059 2006-05-27 Richard Guenther <rguenther@suse.de>
2062 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2063 to produce a constant of value 1 of generic type.
2065 2006-05-27 Dirk Mueller <dmueller@suse.de>
2067 * cgraphunit.c (decide_is_function_needed): Fix wrong
2070 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2072 PR rtl-optimization/27661
2073 * reload.c (find_reloads): When reloading a VOIDmode constant
2074 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2075 use Pmode as mode of the reload register.
2077 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2079 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2080 is enabled at -O and above.
2082 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2085 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2088 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2091 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2092 for anonymous variables explicitly declared by front ends.
2094 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2096 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2097 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2098 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2099 ref-all pointers, run a finalization pass for them.
2100 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2101 (finalize_ref_all_pointers): New function.
2102 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2103 regular pointer type to a ref-all pointer type.
2104 (get_tmt_for): Return the special memory tag for ref-all pointers.
2106 2006-05-25 Richard Guenther <rguenther@suse.de>
2109 * fold-const.c (fold_binary): Do not look at the stripped
2110 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2112 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2114 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2115 for LT and GT if the computed range is effectively empty.
2117 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2120 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2121 mips_quad_format formats instead of ieee_single_format,
2122 ieee_double_format and ieee_quad_format formats, respectively.
2124 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2126 PR tree-optimization/27639
2127 PR tree-optimization/26719
2128 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2129 call to scev_probably_wraps_p.
2130 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2131 used_in_pointer_arithmetic_p, convert_step): Removed.
2132 (nowrap_type_p): New function.
2133 (scev_probably_wraps_p): Rewritten.
2134 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2135 chrec_convert if chrec_convert_aggressive might have been used.
2136 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2137 scev_direction): New functions.
2138 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2139 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2140 instead of convert_step.
2141 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2142 (convert_step): Declaration removed.
2143 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2145 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2147 * df-core.c: Added to header comments.
2148 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2149 df_ur_bb_info, df_urec_bb_info): Added comments.
2150 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2151 urec, ri problems): Fixed header comments.
2152 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2153 code from df_rd_transfer_function.
2155 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2157 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2158 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2159 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2161 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2163 * expr.c (undefined_operand_subword_p): New.
2164 (emit_move_multi_word): Do not generate move from undefined bits
2165 of a paradoxical subreg.
2167 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2169 PR rtl-optimization/27736
2170 * combine.c (replaced_rhs_value): New variable.
2171 (combine_instructions): Set it.
2172 (distribute_notes): When distributing a note in replaced_rhs_insn,
2173 check whether the value was used in replaced_rhs_value.
2175 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2178 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2179 add_referenced_var instead of add_referenced_tmp_var.
2180 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2181 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2183 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2184 tree_optimize_tail_calls_1): Use add_referenced_var.
2185 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2186 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2187 Use add_referenced_var.
2188 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2189 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2190 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2191 Use add_referenced_var.
2192 * tree-dfa.c (struct walk_state): Remove.
2193 (find_referenced_vars): Remove walk state and vars_found hash table.
2194 (make_rename_temp): Use add_referenced_var.
2195 (find_vars_r): Pass less parameters to add_referenced_var.
2196 (referenced_var_p): New. Is var in referenced_var hash table.
2197 (referenced_var_insert): Assert var isn't already in hash table.
2198 (add_referenced_var): Don't need walk_state parameter. Add var if it
2199 isn't already in the hash table.
2200 (add_referenced_tmp_var): Remove.
2201 (find_new_referenced_vars_1): Use add_referenced_var.
2202 * tree-ssa-pre.c (create_expression_by_pieces,
2203 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2204 Use add_referenced_var.
2205 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2206 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2207 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2209 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2210 vect_create_data_ref_ptr, vect_create_destination_var,
2211 vect_init_vector, vect_build_loop_niters,
2212 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2213 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2214 Use add_referenced_var.
2215 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2216 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2217 (add_referenced_var): Add prototype.
2218 * tree-ssa-structalias.c (get_constraint_for,
2219 intra_create_variable_infos): Use add_referenced_var.
2221 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2223 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2224 big-endian paradoxical subregs.
2225 * var-tracking.c (struct micro_operation_def): Document that,
2226 for modify micro operations, insn is the subsequent instruction.
2227 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2228 (var_reg_set, var_mem_set): ... new functions.
2229 (add_stores): Record subsequent insn.
2230 (compute_bb_dataflow): Use new functions for MO_USE.
2231 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2232 notes after the insn, and modify notes before the insn known
2233 to be the subsequent one.
2234 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2236 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2239 * config/i386/i386.c (ix86_expand_builtin): Use
2240 gen_sse3_monitor64 for TARGET_64BIT.
2242 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2244 PR rtl-optimization/26375
2245 PR rtl-optimization/26855
2246 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2248 (df_ru_bb_local_compute): Reversed statements and removed bogus
2249 comment explaining why they should be in wrong order.
2250 (df_ru_dump, df_rd_dump): Enhanced debug info.
2251 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2253 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2254 reaching uses and fixed space problem.
2256 2006-05-23 Jan Hubicka <jh@suse.cz>
2258 * cgraphunit.c (decide_is_function_needed): Also nested functions
2259 and functions declared inline can be optimized out at -O0.
2261 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2263 * doc/install.texi (Configuration): Remove reference to CrossGCC
2267 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2270 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2271 ix86_compare_emitted is non-NULL.
2273 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2276 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2279 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2281 PR rtl-optimization/25514
2282 * combine.c (replaced_rhs_insn): New variable.
2283 (combine_instructions): Set replaced_rhs_insn when trying to replace
2284 a SET_SRC with a REG_EQUAL note.
2285 (distribute_notes): Use replaced_rhs_insn when determining the live
2286 range of a REG_DEAD register.
2288 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2289 Anatoly Sokolov <aesok@post.ru>
2291 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2292 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2293 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2294 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2295 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2296 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2297 at90usb647, at90usb1286 and at90usb1287 devices.
2298 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2299 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2301 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2303 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2305 2006-05-22 Richard Guenther <rguenther@suse.de>
2308 2006-01-31 Richard Guenther <rguenther@suse.de>
2309 Paolo Bonzini <bonzini@gnu.org>
2311 * doc/install.texi (--disable-libgcc-math): Document.
2313 2006-05-22 Richard Guenther <rguenther@suse.de>
2316 2006-01-31 Richard Guenther <rguenther@suse.de>
2318 * doc/invoke.texi (-msselibm): Document.
2319 * target.h (expand_library_builtin): New target hook.
2320 * builtins.c (expand_builtin): Use expand_library_builtin.
2321 (default_expand_library_builtin): New function.
2322 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2323 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2324 (link_gcc_math_spec): Declare.
2325 (static_specs): Add link_gcc_math_spec.
2326 * expr.h (default_expand_library_builtin): Declare.
2327 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2328 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2329 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2330 * config/i386/i386.opt (msselibm): New target option.
2331 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2332 (ix86_init_sse_abi_builtins): New function.
2333 (ix86_expand_library_builtin): Likewise.
2334 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2335 (override_options): Handle error conditions wrt -msselibm.
2336 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2337 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2338 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2341 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2344 * c-common.c (self_promoting_args_p): Skip erroneous args.
2347 * c-decl.c (finish_struct): Skip erroneous fields.
2349 2006-05-22 Nick Clifton <nickc@redhat.com>
2351 * config/cris/cris.opt (march): Remove VarExists attribute.
2352 (max-stackframe=): Likewise.
2354 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2356 * doc/rtl.texi: Fix a typo.
2357 * see.c: Fix comment typos.
2359 * tree-ssa-structalias.h (alias_info): Remove num_references.
2361 2006-05-21 Mike Stump <mrs@apple.com>
2363 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2365 (darwin_pragma_options): Use BAD instead.
2366 (darwin_pragma_unused): Likewise.
2367 (darwin_pragma_ms_struct): Likewise.
2369 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2371 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2373 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2375 PR rtl-optimization/27671
2376 * simplify-rtx.c (simplify_relational_operation_1): Fix
2377 simplifications of (eq/ne (xor x y) y) and
2378 (eq/ne (xor x y) x).
2380 PR tree-optimization/26622.
2381 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2384 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2386 * tree-cfg.c: Prune whitespace.
2387 (debug_tree_cfg): Point to correct header containing the
2390 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2393 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2395 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2398 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2399 or sorry count is non zero.
2401 2006-05-20 Andreas Schwab <schwab@suse.de>
2403 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2405 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2406 Kenneth Zadeck <zadeck@naturalbridge.com>
2408 PR rtl-optimization/26855
2410 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2412 (df_scan_alloc): Added code to properly handle multiword hard
2413 registers and add all_blocks parameter.
2414 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2415 code to properly handle multiword hard registers.
2416 (df_rescan_blocks): Added code to remove deleted blocks from
2418 (df_ref_create_structure, df_ref_record): Added code to properly
2420 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2421 and set DF_REF_PARTIAL.
2422 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2423 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2424 (df_scan_add_problem): Added flags parameter.
2425 (df_ref_create_structure): Changed switching structure.
2426 (df_bb_refs_record): Fixed case where duplicate artificial refs
2427 were created. Changed location of flags.
2428 (df_record_entry_block_defs): Added code to make stack pointer
2429 live in entry block. Refined cases where frame pointer is needed.
2430 Changed location of flags.
2431 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2432 (df_set_state): Removed function.
2433 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2434 df_insn_create_insn_record, df_insn_refs_delete,
2435 df_ref_create_structure): Formatting changes.
2436 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2437 df_delete_basic_block): New function.
2438 (df_init): Changed location of flags.
2439 (df_add_problem): Added flags parameter and the way flags are
2441 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2442 debug_df_chain): Improved debugging output.
2443 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2444 (df_refs_chain_dump): Removed df parameter.
2445 (df_iterative_dataflow): Added consistency check.
2446 (df_prune_to_subcfg): Made public.
2447 (df_analyze_problem): Added blocks_to_init parameter and made
2449 (df_ref_record, df_bb_refs_record, df_mark_reg,
2450 df_record_exit_block_uses): Whitespace changes.
2451 (df_dump): Whitespace changes.
2452 * df.h: Some reordering to remove forward references.
2453 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2454 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2455 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2456 (dataflow.flags): New field.
2457 (df.flag): Deleted field.
2458 (df_alloc_function): Added additional bitmap parameter.
2459 (df_dependent_problem_function): New type.
2460 (df_problem.changeable_flags): New field.
2461 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2462 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2463 (df_mw_hardreg): New struct.
2464 (DF_INSN_UID_MWS): New macro.
2465 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2467 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2468 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2469 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2470 (df_set_state): Removed function.
2471 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2472 * df-problems.c (df_chain_dump): Removed df parameter.
2473 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2474 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2476 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2477 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2478 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2479 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2480 DF_REF_MUST_CLOBBER cases.
2481 (df_ru_bb_local_compute_process_def,
2482 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2483 df_lr_bb_local_compute, df_ur_bb_local_compute,
2484 df_chain_create_bb): Made subreg aware.
2485 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2486 df_lr_bb_local_compute, df_lr_bb_local_compute,
2487 df_chain_create_bb): Cleanup to use proper macros.
2488 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2489 code to fixup bitvectors.
2490 (df_ri_alloc): Cleared lifetime.
2491 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2492 df_create_unused_note): New function.
2493 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2494 REG_DEAD and REG_UNUSED notes as well as register information.
2495 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2496 df_chains_dump): Fixed crash if problem was never run.
2497 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2498 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2499 df_ri_add_problem): Processes flags in uniform manner.
2500 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2501 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2502 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2503 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2504 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2505 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2506 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2507 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2508 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2509 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2510 * see.c (see_initialize_data): Ditto.
2511 * final.c (rest_of_clean_state) Added regstack_completed.
2512 * rtl.h (regstack_completed): Ditto.
2513 * reg-stack.c (regstack_completed): Ditto.
2515 2006-05-19 Mike Stump <mrs@apple.com>
2517 * c-tree.h (default_conversion): Remove.
2518 * c-common.h (default_conversion): Add.
2520 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2522 * tree-vrp.c (valid_value_p): New function.
2523 (adjust_range_with_scev): Fail if the value of bound is not
2526 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2528 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2529 (mips_fallback_frame_state): Use syscall numbers to determine
2530 the appropriate li instruction for the current ABI. Only use
2531 __NR_sigreturn for o32.
2533 2006-05-19 Nicolas Setton <setton@adacore.com>
2535 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2536 * langhooks.c (lhd_dwarf_name): New function.
2537 * langhooks-def.h (lhd_dwarf_name): Declare.
2538 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2539 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2540 * ada/misc.c (gnat_dwarf_name): New function.
2541 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2543 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2545 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2547 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2548 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2549 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2550 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2551 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2552 determine the size of Wtype, etc.
2553 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2554 (swfloatfuncs): New variable.
2555 (dwfloatfuncs): Likewise.
2556 (lib2funcs): Remove floating-point conversion functions from
2557 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2558 the set of conversion routines needed. Allow entries to specify
2559 an object name, filename and word size. Update users accordingly.
2560 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2561 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2565 2006-02-08 Roger Sayle <roger@eyesopen.com>
2568 * config/fixtfdi.c: New libgcc source file.
2569 * config/fixunstfdi.c: New source file.
2570 * config/floatditf.c: New source file.
2571 * config/floatunditf.c: New souce file.
2572 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2573 files above instead of config/mips/_tilib.c.
2574 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2576 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2578 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2579 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2581 2006-05-18 Mike Stump <mrs@apple.com>
2583 Fix up vla, vm and [*] sematics.
2589 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2590 (c_vla_unspec_p): Add.
2591 (c_vla_type_p): Add.
2592 * c-decl.c (struct c_scope): Add had_vla_unspec.
2593 (build_array_declarator): Add support for [*].
2594 (grokdeclarator): Likewise.
2595 (grokparms): Likewise.
2596 (get_parm_info): Likewise.
2597 * c-objc-common.c (c_vla_unspec_p): Likewise.
2598 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2599 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2600 typeof when argument is a variably modified type not inside sizeof or alignof.
2601 (c_parser_direct_declarator_inner): Propagate errors.
2602 (c_parser_sizeof_expression): Add support for [*].
2603 (c_parser_parms_declarator): Initialize had_vla_unspec.
2604 (c_parser_parms_list_declarator): Likewise.
2605 * c-typeck.c (c_vla_type_p): Add.
2606 (composite_type): Add support for vla compositing.
2607 (comptypes_internal): Add support for vla compatibility.
2608 (c_expr_sizeof_expr): Evaluate vla arguments.
2609 * tree.c (variably_modified_type_p): Update comment for [*].
2611 2006-05-18 Michael Matz <matz@suse.de>
2614 * config.host: Make assignments to host_xmake_file cumulative.
2615 * config.host (*-darwin*): Test $host, not $target.
2617 2006-05-12 Stuart Hastings <stuart@apple.com>
2619 * config/i386/i386.opt (-mstackrealign): New flag.
2620 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2621 (ix86_handle_cconv_attribute): Emit error when
2622 force_align_arg_pointer attribute collides with too many regparms.
2623 (ix86_function_regparm): Limit regparms when used with
2624 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2625 Support stack-realigning prologue in non-main functions. Emit
2626 warning for nested functions under -mstackrealign, emit error for
2627 nested functions with force_align_arg_pointer attribute.
2628 * doc/extend.texi (force_align_arg_pointer): Document it.
2629 * doc/invoke.texi (-mstackrealign): Document it.
2631 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2633 PR rtl-optimization/27477
2634 * combine.c (try_combine): Don't split a parallel consisting
2635 of two sets into two individual sets if both sets reference
2638 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2640 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2641 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2643 * doc/options.texi (VarExists): Updated.
2645 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2647 * unwind-dw2.c: Add declarations for uw_update_context and
2649 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2650 detected, advance frame state and context once to skip over stub.
2652 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2656 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2657 Call rewrite_into_loop_closed_ssa only when something changed.
2658 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2659 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2660 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2661 Test for perfect_nest_p here. Fix formating.
2662 (replace_uses_equiv_to_x_with_y): Fix formating.
2663 (stmt_uses_op): Removed.
2664 (can_convert_to_perfect_nest): Removed loopivs parameter.
2665 Complete the test by checking the scalar dependences.
2666 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2669 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2672 From Dan Kegel <dank@kegel.com>:
2673 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2675 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2677 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2678 if the element type is variably modified without recursing.
2680 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2683 * tree-loop-linear.c (try_interchange_loops): Test for
2684 no data dependences.
2686 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR tree-optimization/27548
2689 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2690 range of ssa names that appear on abnormal edges.
2691 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2692 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2694 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2697 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2699 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2702 * tree.h (OMP_PARALLEL_COMBINED): Define.
2703 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2704 (new_omp_context): Add is_combined_parallel argument.
2705 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2706 new_omp_context caller.
2707 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2708 Adjust gimplify_scan_omp_clauses callers.
2709 (omp_is_private): Issue errors if iteration variable is firstprivate
2710 or reduction in the current context.
2711 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2712 on combined parallel workshare constructs.
2714 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2716 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2717 (gcc-options.o): New rule.
2719 * optc-gen.awk: Protect variables for gcc-options.o with
2720 #ifdef GCC_DRIVER/#endif.
2722 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2724 Fix PR tree-optimization/27373
2725 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2726 (forward_propagate_addr_expr): Update call.
2728 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2730 * doc/options.texi: Move the Negative option.
2732 2006-05-16 Richard Guenther <rguenther@suse.de>
2734 PR tree-optimization/22303
2735 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2737 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2738 ccp_fold did not simplify the statement.
2740 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2743 * Makefile.in (GCC_OBJS): New.
2744 (OBJS-common): Add opts-common.o.
2745 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2746 (cpp$(exeext)): Likewise.
2747 (gcc.o): Also depend on opts.h.
2748 (opts-common.o): New.
2750 * common.opt (gcoff): Add Negative(gdwarf-2).
2751 (gdwarf-2): Add Negative(gstabs).
2752 (gstabs): Add Negative(gstabs+).
2753 (gstabs+): Add Negative(gvms).
2754 (gvms): Add Negative(gxcoff).
2755 (gxcoff): Add Negative(gxcoff+).
2756 (gxcoff+): Add Negative(gcoff).
2757 * config/i386/i386.opt (m32): Add Negative(m64).
2758 (m64): Add Negative(m32).
2760 * doc/options.texi: Document the Negative option.
2762 * gcc.c: Include "opts.h".
2763 (main): Call prune_options after expandargv.
2765 * optc-gen.awk: Generate common declarations for all flag
2766 variables in options.c. Output the neg_index field.
2768 * opts.c (find_opt): Moved to ...
2769 * opts-common.c: Here. New file.
2771 * opts.h (cl_option): Add a neg_index field.
2773 (prune_options): Likewise.
2775 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2778 * omp-low.c (expand_omp_parallel): Don't assert
2779 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2780 instead search for it.
2783 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2786 2006-05-16 Andreas Schwab <schwab@suse.de>
2788 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2791 2006-05-15 Roger Sayle <roger@eyesopen.com>
2794 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2795 integer constants other than zero are only legitimate on TARGET_64BIT.
2796 <CONST_VECTOR> Only zero vectors are legitimate.
2797 (ix86_cannot_force_const_mem): Integral and vector constants can
2798 always be put in the constant pool.
2800 2006-05-16 DJ Delorie <dj@redhat.com>
2802 * crtstuff.c (__dso_handle): Set section from
2803 TARGET_LBIGCC_SDATA_SECTION if defined.
2804 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2805 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2807 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2810 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2813 2006-05-16 Ben Elliston <bje@au.ibm.com>
2815 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2817 2006-05-15 Per Bothner <per@bothner.com>
2819 * tree.c: (last_annotated_node): Use source_locus typedef.
2820 This permits bootstrapping with --enable-mapped-location.
2822 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2824 PR tree-optimization/26830
2825 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2826 (info_for_ssa_name, current_info_for_ssa_name_age,
2827 blocks_to_update): New variables.
2828 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2829 (clear_ssa_name_info, initialize_flags_in_bb,
2830 mark_block_for_update): New functions.
2831 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2832 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2833 prepare_def_site_for): Use mark_block_for_update.
2834 (mark_def_interesting): Assert that the processed block is marked in
2835 blocks_to_update. Do not take blocks argument.
2836 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2838 (rewrite_update_init_block, rewrite_update_stmt): Only process
2839 blocks with statements to rewrite.
2840 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2841 (update_ssa): Initialize and free blocks_to_update. Do not
2842 clear flags on statements. Do not use blocks bitmap.
2843 * tree.h (SSA_NAME_AUX): Removed.
2844 (struct tree_ssa_name): Removed aux field.
2845 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2847 2006-05-15 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/27603
2850 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2851 Do computations in original type.
2853 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2855 * see.c: Code style changes such as redundant paranthesis,
2856 redundant intialization of local variables etc.
2857 (see_main): Declared now as static.
2858 * doc/invoke.texi: Update that -fsee is not enabled by
2861 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2863 * omp-low.c (check_omp_nesting_restrictions): New function.
2864 (scan_omp_1): Call it.
2867 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2868 construct, return *VAR.
2870 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2872 PR rtl-optimization/27406
2873 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2876 2006-05-14 Roger Sayle <roger@eyesopen.com>
2878 PR rtl-optimization/27538
2879 * combine.c (expand_compound_operation): Call gen_lowpart
2880 before calling simplify_shift_const.
2882 2006-05-14 Roger Sayle <roger@eyesopen.com>
2884 PR rtl-optimization/22563
2885 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2886 a fixed width bitfield, always force the intermediates into psuedos.
2888 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2891 * mkconfig.sh: Use operator = instead of == for test.
2893 2006-05-13 Nick Clifton <nickc@redhat.com>
2895 * dwarf2out.c (dbx_reg_number): Check return value from
2896 LEAF_REG_REMAP and only use it if it is valid.
2897 (multiple_reg_loc_descriptor): Likewise.
2899 2006-05-13 Richard Guenther <rguenther@suse.de>
2901 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2904 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2906 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2907 information attached to non-INSNs such as NOTEs.
2908 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2910 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2912 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2914 * config/s390/s390.md: Adjust comment describing On constraint.
2916 2006-05-11 Jan Hubicka <jh@suse.cz>
2918 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2919 to be output at -O0.
2921 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2924 * fold-const.c (size_binop): Move sanity check for arguments to
2925 the beginning of the function.
2928 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2931 2006-05-11 Richard Guenther <rguenther@suse.de>
2934 * fold-const.c (fold_unary): Handle intermediate conversion
2935 to a pointer type like intermediate conversion to an integer
2936 type in folding of (T1)(T2)var to var.
2937 Match the code to the comment in the final conversion for
2938 (T1)(T2)var to (T1)var regarding to type precision. Rather
2939 than disallow T1 being of pointer type, assert that both T1
2940 and var are of pointer type or not. Make sure not to fall
2941 over the frontends lazyness wrt array to pointer decay though.
2943 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2945 * arm.c (arm_struct_value_rtx): Delete.
2946 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2947 (arm_init_cumulative_args): Always initialize nregs to zero.
2949 2006-05-10 Richard Guenther <rguenther@suse.de>
2951 PR tree-optimization/27532
2952 * tree-object-size.c (plus_expr_object_size): Fix typo.
2954 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2957 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2958 ashrdi_const, ashrdi3): Use a scratch register.
2960 2006-05-10 Richard Guenther <rguenther@suse.de>
2962 PR tree-optimization/27302
2963 * fold-const.c (operand_equal_p): For two comparisons,
2964 try comparison of one comparison code swapped if that yields
2967 2006-05-10 Ben Elliston <bje@au.ibm.com>
2969 * tree-pretty-print.c (pretty_print_string): No need to handle
2970 '\0' as a special character.
2972 * tree.h: Include "hashtab.h".
2973 (iterative_hash_expr): Use hashval_t in its prototype.
2974 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2976 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2979 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2980 (hppa*64*-*-hpux11*): Ditto.
2981 (hppa[12]*-*-hpux11*): Ditto.
2983 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2986 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2988 2006-05-09 Michael Matz <matz@suse.de>
2990 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2991 host_extra_gcc_objs and host_xmake_file.
2992 (<*-*-linux*>): Don't overwrite host_xmake_file.
2993 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2994 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2995 (host_detect_local_cpu): Declare.
2996 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2997 * config/i386/i386.c (override_options): Handle -mtune=native
2999 * config/i386/x-i386: New file.
3000 * config/i386/driver-i386.c: New file.
3001 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3004 2006-05-09 Dirk Mueller <dmueller@suse.de>
3005 Richard Guenther <rguenther@suse.de>
3008 * fold-const.c (fold_read_from_constant_string): Relax check
3009 for matching types to matching modes.
3011 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3013 PR rtl-optimization/27335
3014 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3017 2006-05-08 Chao-ying Fu <fu@mips.com>
3018 Richard Sandiford <richard@codesourcery.com>
3020 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3021 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3022 * config/mips/mips.md (UNSPEC_SCC): New constant.
3023 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3024 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3025 (mips_emit_compare): Use it.
3026 (mips_expand_vcondv2sf): New function.
3028 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3030 Fix PR tree-optimization/27093
3031 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3032 renaming when they become not-used_alone.
3034 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3036 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3037 relocation and relocation stubs.
3039 2006-05-08 Eric Christopher <echristo@apple.com>
3041 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3044 2006-05-08 Jan Hubicka <jh@suse.cz>
3047 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3048 unused static functions are needed.
3050 2006-05-08 Roger Sayle <roger@eyesopen.com>
3053 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3054 of a reg_equiv_constant if the result is a legitimate constant.
3056 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3059 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3060 standard 80387 constants, raise the cost to prevent
3061 compress_float_constant() to generate load from memory.
3063 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3065 * config/arm/constraints.md (c): Fix a typo.
3067 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3070 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3073 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3075 (_mm_mwait): Likewise.
3077 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3079 (sse3_monitor): Make it 32bit only.
3080 (sse3_monitor64): New. 64bit monitor.
3082 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3085 * config/i386/i386.c (classify_argument): Skip fields with invalid
3088 2006-05-07 Richard Guenther <rguenther@suse.de>
3090 PR tree-optimization/27409
3091 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3092 Do not try to find zero-sized subvars.
3094 2006-05-07 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/27136
3097 * tree-ssa-loop-niter.c (get_val_for): Correct function
3098 comment, assert requirements.
3099 (loop_niter_by_eval): Stop processing if the iterated
3100 value did not simplify.
3102 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3104 * opts.c (flag_see): remove its setting at -O3.
3106 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3108 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3109 * arm/constraints.md: New file.
3110 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3111 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3112 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3113 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3114 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3115 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3116 * arm.md: Include constraints.md.
3117 (thumb_movsi_insn): Use satisfies_constraint_J.
3118 (movhi, movqi): Use satisfies_constraint_I.
3120 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3122 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3123 for atmeg a645 device.
3125 2006-05-06 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/27151
3128 * tree-vect-transform.c (vectorizable_condition): Punt on
3129 values that have a different type than the condition.
3131 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3134 * c-parser.c (c_parser_cast_expression): Only insert casts into
3135 hash table if pointer.
3136 * function.c (used_types_insert_helper): Rename from
3138 (used_types_insert): Call used_types_insert_helper.
3139 * function.h (used_types_insert): Accept only one argument.
3141 2006-05-05 David Edelsohn <edesohn@gnu.org>
3143 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3144 scratch with output modifier.
3146 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3149 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3150 with output modifier.
3152 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3155 * config/mips/mips.c (mips_symbolic_address_p): Return true
3156 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3157 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3159 2006-05-04 Richard Guenther <rguenther@suse.de>
3161 PR tree-optimization/14287
3162 PR tree-optimization/14844
3163 PR tree-optimization/19792
3164 PR tree-optimization/21608
3165 PR tree-optimization/27090
3166 * tree-ssa-pre.c (try_combine_conversion): New function.
3167 (compute_avail): After constructing the value-handle
3168 expression, use try_combine_conversion to combine NOP_EXPRs
3169 with previous value-handle expressions and use the result if it
3172 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3174 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3176 2006-05-04 Jan Hubicka <jh@suse.cz>
3179 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3181 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3183 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3184 that this only matches CONST_INTs. All users changed to VOIDmode
3187 * config/bfin/bfin.c: Include "optabs.h".
3188 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3190 (enum bfin_builtins): Add a number of fractional and vector builtins.
3191 (bfin_init_builtins): Likewise.
3192 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3193 (safe_vector_operand, bfin_expand_binop_builtin,
3194 bfin_expand_unop_builtin): New functions.
3195 (bfin_expand_builtin): Handle the new builtins.
3196 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3199 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3202 * Makefile.in (OBJS-common): Add see.o.
3203 (see.o): Add dependencies.
3204 * common.opt (fsee): New flag for the see optimization was added.
3205 * opts.c (flag_see): Initialized.
3206 * passes.c (init_optimization_passes, pass_see): New pass.
3207 * rtl.h (see_main): Declaration as extern.
3208 * timevar.def (TV_SEE): New.
3209 * tree-pass.h (pass_see): Declaration as extern.
3210 * invoke.texi (-fsee): Document.
3211 * recog.c (validate_simplify_insn): New function.
3212 * recog.h (validate_simplify_insn): Declaration as extern.
3213 * df-problems.c (df_chain_dump): Check for NULL.
3215 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3216 Daniel Berlin <dberlin@dberlin.org>
3218 * cfgrtl.c (insert_insn_bb_end_new): New function.
3219 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3221 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3223 * df.h (struct web_entry): Moved from web.c.
3224 (union_defs): Declaration as extern.
3225 (unionfind_root): Likewise.
3226 (unionfind_union): Likewise.
3227 * web.c (struct web_entry): Moved to df.h.
3228 (unionfind_root): Remove static declaration.
3229 (unionfind_union): Likewise.
3230 (union_defs): Likewise and generalize to use callback function.
3231 (web_main): Update arguments for union_defs function call.
3233 2006-05-04 Richard Guenther <rguenther@suse.de>
3235 PR tree-optimization/26447
3236 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3237 produce SSA_NAME copies before the store stmt to avoid
3238 breaking exception handling.
3240 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3243 * gimplify.c (omp_is_private): If var is shared in some outer context,
3244 return false instead of true. Stop searching on parallel context
3247 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3250 * coverage.c: Use get_gcov_unsigned_t() instead of
3251 unsigned_type_node all over.
3253 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3255 PR tree-optimization/27381
3256 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3257 maintain the same immediate_use links.
3258 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3259 node rather than segfaulting.
3261 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3264 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3265 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3266 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3268 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3270 Fix PR tree-optimization/26626
3271 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3273 * tree-ssa-operands.c (access_can_touch_variable): Allow
3274 typecasting through union pointers.
3276 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3279 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3280 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3281 to find if var will be a global variable even in the nested context.
3282 (omp_copy_decl): Only check for global variable at the end, it might
3283 be overridden in outer contexts.
3284 (scan_sharing_clauses): For global variables don't create a field.
3285 (lower_rec_input_clauses): Do nothing for global shared variables.
3286 Emit a barrier at the end of ILIST if there were any decls in both
3287 firstprivate and lastprivate clauses.
3288 (lower_send_clauses): Do nothing for global variables except for
3291 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3293 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3294 of the correct signedness is returned.
3296 2006-05-02 Jeff Law <law@redhat.com>
3298 PR tree-optimization/27364
3299 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3300 multiply expressions.
3302 2006-05-02 Tom Tromey <tromey@redhat.com>
3304 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3306 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3309 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3310 -mthumb -fPIC are used.
3312 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3313 Joshua Kinard <kumba@gentoo.org>
3316 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3317 with 64-bit pointers.
3319 2006-05-02 Paul Brook <paul@codesourcery.com>
3321 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3323 (create_fix_barrier): Check that a suitable barrier location is
3325 (arm_reorg): Include ftmp->address in allowable range of addresses.
3327 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3330 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3333 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3336 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3337 around RESULT_DECL for result passed by reference.
3338 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3339 * omp-low.c (use_pointer_for_field): Don't look at
3340 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3341 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3342 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3343 time or var for passing by reference for
3344 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3345 TREE_ADDRESSABLE variables when passing by reference.
3347 * omp-low.c (dump_omp_region): Fix output formatting.
3350 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3351 (expand_omp_parallel): Likewise.
3352 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3355 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3356 on statement list containing also constructors and destructors.
3357 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3360 * except.c (duplicate_eh_regions): Fix clearing of
3361 cfun->eh->region_array entries.
3363 2006-05-01 DJ Delorie <dj@redhat.com>
3365 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3367 (gcc_cv_objdump): Likewise.
3368 * configure: Regenerated.
3370 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3373 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3374 templates for case 3 and 4.
3376 2006-05-01 DJ Delorie <dj@redhat.com>
3378 * vec.c: Include bconfig.h when appropriate.
3379 * Makefile.in (build/vec.o): Adjust dependencies.
3380 * mkconfig.sh: Make sure config.h isn't used for build machine
3383 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3385 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3387 (mark_phi_for_rewrite): New function.
3388 (insert_phi_nodes_for, mark_use_interesting): Call
3389 mark_phi_for_rewrite.
3390 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3391 (update_ssa): Initialize and free phis_to_rewrite.
3393 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3395 PR rtl-optimization/27291
3396 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3397 folded to a constant.
3399 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3401 PR tree-optimization/27283
3402 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3403 not whole # of iteration descriptions.
3404 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3405 uses abnormal ssa name.
3406 (niter_for_single_dom_exit): Ditto.
3407 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3408 return just the number of iterations.
3410 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3412 PR tree-optimization/27144
3413 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3414 (record_estimate): Only record constant upper bound.
3415 (infer_loop_bounds_from_undefined): Call
3416 compute_estimated_nb_iterations just once.
3417 (proved_non_wrapping_p): Renamed to ...
3418 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3419 (convert_step_widening, scev_probably_wraps_p): Call
3420 n_of_executions_at_most instead of proved_non_wrapping_p.
3421 (substitute_in_loop_info): Do not replace values in bounds.
3422 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3425 2006-05-01 Richard Henderson <rth@redhat.com>
3428 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3429 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3432 2006-05-01 Roger Sayle <roger@eyesopen.com>
3434 * c-typeck.c (parser_build_binary_op): Don't call the function
3435 unsigned_conversion_warning to spot operand/result type overflow.
3436 (build_binary_op): Instead, call convert_and_check instead of
3437 convert to report the problem when the operands are promoted.
3438 * c-common.c (unsigned_conversion_warning): Make static.
3439 * c-common.h (unsigned_conversion_warning): Delete prototype.
3441 2006-05-01 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/26726
3444 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3446 (find_interesting_uses_address): ... we work around here
3447 by folding INDIRECT_REFs in the substituted base.
3449 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3451 * omp-low.c (dump_omp_region): Add newlines.
3453 2006-04-30 Roger Sayle <roger@eyesopen.com>
3455 * common.opt (Woverflow): New command line option.
3456 * c-common.c (constant_expression_warning): Check warn_overflow.
3457 (overflow_waring): Pass OPT_Woverflow to warning.
3458 (unsigned_conversion_warning): Likewise.
3459 (convert_and_check): Likewise.
3460 * doc/invoke.texi: Document new command line option.
3462 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3464 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3465 TARGET_NO_FP_IN_TOC for section anchors.
3466 (optimization_options): Enable section anchors for all
3467 non-"Objective" languages.
3469 2006-04-28 Eric Christopher <echristo@apple.com>
3471 * config/darwin-c.c (darwin_ms_struct): Move this
3472 (darwin_set_default_type_attributes): and this...
3473 * config/darwin.c: ... here.
3474 * config/darwin.h (darwin_ms_struct): Declare.
3476 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3478 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3480 2006-04-28 Roger Sayle <roger@eyesopen.com>
3483 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3484 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3485 an unsigned HOST_WIDE_INT.
3486 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3488 (really_start_incremental_init): No need to call convert because
3489 bitsize_zero_node is already of type bitsizetype.
3490 (push_init_level): Extract the value of constructor_index as an
3491 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3492 (process_init_element): Likewise.
3494 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3496 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3497 value before passing to make_relative_prefix.
3499 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3502 * builtins.c (expand_builtin_memset): Expand val in original mode.
3504 2006-04-27 Eric Christopher <echristo@apple.com>
3506 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3507 with #ifndef/#endif.
3508 * config/darwin-c.c (darwin_ms_struct): New.
3509 (darwin_pragma_ms_struct): Ditto.
3510 (darwin_set_default_type_attributes): Ditto.
3511 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3512 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3513 Register ms_struct pragma.
3514 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3515 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3516 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3517 darwin_set_default_type_attributes if TARGET_MACHO.
3519 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3521 PR tree-optimization/26854
3522 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3523 * doc/tree-ssa.texi: Update immuse iterator documentation.
3524 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3526 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3527 first_safe_imm_use, next_safe_imm_use): Remove.
3528 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3529 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3530 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3531 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3532 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3533 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3534 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3535 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3536 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3537 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3538 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3539 (perfect_nestify): Use new iterator.
3540 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3542 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3543 (next_imm_name): New field in struct immediate_use_iterator_d.
3544 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3545 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3546 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3547 * tree-cfg.c (replace_uses_by): Use new iterator.
3548 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3549 * tree-ssa-operands.c (correct_use_link): Remove.
3550 (finalize_ssa_use_ops): No longer call correct_use_link.
3552 2006-04-27 Stuart Hastings <stuart@apple.com>
3554 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3555 * config/t-darwin (crt3.o): Use it.
3556 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3557 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3558 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3559 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3560 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3563 2006-04-27 Roger Sayle <roger@eyesopen.com>
3565 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3566 size, force the intermediate into a new pseudo rather instead of
3567 performing both a bitwise AND and a bitwise IOR in memory.
3569 2006-04-27 Richard Guenther <rguenther@suse.de>
3571 PR rtl-optimization/26685
3572 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3573 this one "max-flow-memory-locations".
3575 2006-04-27 Richard Guenther <rguenther@suse.de>
3577 PR tree-optimization/25148
3578 * tree-vrp.c (compare_values): Remove code dealing with
3579 comparisons against type min/max value. Honour overflow
3580 and negative constants in code dealing with comparisons
3581 of plus and minus expressions.
3582 (value_inside_range): Use fold_binary with LE_EXPR and
3583 GE_EXPR rather than compare_values.
3585 2006-04-27 Dirk Mueller <dmueller@suse.de>
3587 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3590 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3592 * basic-block.h (safe_insert_insn_on_edge): Removed.
3593 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3595 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3596 Paolo Bonzini <bonzini@gnu.org>
3599 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3600 (simplify_and_const_int): Same.
3602 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3604 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3606 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3609 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3610 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3611 cgraph_global_info_ready.
3614 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3617 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3618 either decl or init is error_mark_node.
3621 * tree-flow.h (struct omp_region): Add sched_kind.
3622 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3623 instead of extracting omp for data.
3624 (expand_omp_for): Save extracted sched_kind.
3626 2006-04-25 Roger Sayle <roger@eyesopen.com>
3628 * expmed.c (store_bit_field): Also check whether the bitsize is
3629 valid for the machine's "insv" instruction before moving the
3630 target into a pseudo for use with the insv.
3631 * config/i386/predicates.md (const8_operand): New predicate.
3632 * config/i386/i386.md (extv, extzv, insv): Use the new
3633 const8_operand predicate where appropriate.
3635 2006-04-25 DJ Delorie <dj@redhat.com>
3637 * doc/install.texi (Specific): Clarify that this is not a list of
3638 supported hosts or targets.
3640 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3642 PR rtl-optimization/26725
3643 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3644 block's BB_DIRTY flag.
3646 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3648 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3651 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3652 to print an integer.
3654 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3656 * varasm.c (align_variable): New function.
3657 (get_block_for_decl): Apply align_variable to DECL before
3658 calculating section information.
3659 (assemble_variable): Split out alignment computation.
3661 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3663 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3666 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3668 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3669 MODE_PARTIAL_INT mode.
3670 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3671 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3673 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3674 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3676 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3678 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3680 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3681 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3682 MACFLAG_IH): Likewise.
3683 (movstricthi_1): Renamed from "*movstricthi".
3684 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3685 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3686 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3687 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3688 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3689 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3690 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3691 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3692 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3693 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3694 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3695 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3696 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3697 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3698 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3700 * doc/rtl.texi (ss_ashift): Improve wording.
3702 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3704 * dwarf2out.c (verify_marks_clear): New.
3705 (prune_unused_types): Call verify_marks_clear initially, not
3708 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3710 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3711 * doc/rtl.texi: Document them.
3712 * simplify-rtx.c (simplify_unary_operation,
3713 simplify_binary_operation_1): Don't abort when we see them.
3715 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3718 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3719 * configure.ac: Completely disregard languages that are not
3721 * configure: Regenerated.
3723 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3724 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/27236
3727 * tree-inline.c (copy_body_r): Make sure to copy
3728 TREE_THIS_VOLATILE flag.
3730 2006-04-24 Richard Guenther <rguenther@suse.de>
3733 * tree-complex.c (update_parameter_components): Don't handle
3734 unused parameters which have no default def.
3736 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3737 Richard Guenther <rguenther@suse.de>
3739 PR tree-optimization/27218
3740 * tree-inline.c (expand_call_inline): Strip useless type
3741 conversions for the return slot address.
3743 2006-04-24 Richard Guenther <rguenther@suse.de>
3745 * cfgloop.h (struct loops): Remove unused field array. Reorder
3747 (LOOP_PREFETCH): Remove.
3749 2006-04-24 Richard Guenther <rguenther@suse.de>
3751 PR tree-optimization/22525
3752 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3753 variable, adjust types of generated expressions.
3755 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3757 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3758 (tree-vect-patterns.o): Likewise.
3760 (cselib.o): Likewise.
3761 (loop-doloop.o): Likewise.
3762 (regclass.o): Likewise.
3763 (reload1.o): Likewise.
3764 (explow.o): Replace target.h with $(TARGET_H).
3765 (ipa-prop.o): Likewise.
3766 (ipa-cp.o): Likewise.
3767 (ipa-inline.o): Likewise.
3768 (reorg.o): Likewise.
3769 (reg-stack.o): Likewise.
3771 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3773 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3775 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3777 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3779 * configure.ac: Completely disregard languages that are not
3781 * configure: Regenerated.
3784 * c-common.h (c_build_bitfield_integer_type): Declare.
3785 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3786 * c-common.c (c_build_bitfield_integer_type): ... here.
3788 2006-04-23 Roger Sayle <roger@eyesopen.com>
3791 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3792 a SImode SUBREG of a floating point register after no_new_pseudos.
3794 2006-04-23 Roger Sayle <roger@eyesopen.com>
3796 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3797 identify potentially eliminable registers to additionally catch
3798 VIRTUAL_INCOMING_ARGS_REGNUM.
3799 (addsi3): Update the conditions on when to use addsi_small_int.
3801 2006-04-23 Roger Sayle <roger@eyesopen.com>
3804 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3805 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3806 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3808 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3810 * fold-const.c (range_predecessor): Use operand_equal_p
3811 as the predicate for equality.
3812 (range_successor): Likewise.
3814 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3817 * config/soft-fp/op-common.h: Fix a typo.
3819 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3822 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3823 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3825 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3827 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3829 * doc/tm.texi: Fix a typo.
3831 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3833 * dwarf2out.c (struct die_struct): Document that die_sib makes
3834 a circular linked list.
3835 (FOR_EACH_CHILD): New.
3836 (reverse_die_lists): Delete.
3837 (reverse_all_dies): Delete.
3838 (add_dwarf_attr): Correct documentation.
3839 (remove_child_with_prev): New.
3840 (remove_child_TAG): Update for change to die_struct, use
3841 remove_child_with_prev.
3842 (add_child_die): Update for change to die_struct.
3843 (splice_child_die): Use remove_child_with_prev and add_child_die.
3844 (print_die): Use FOR_EACH_CHILD.
3845 (die_checksum): Likewise.
3846 (assign_symbol_names): Likewise.
3847 (output_location_lists): Likewise.
3848 (build_abbrev_table): Likewise.
3849 (calc_die_sizes): Likewise.
3850 (mark_dies): Likewise.
3851 (unmark_dies): Likewise.
3852 (unmark_all_dies): Likewise.
3853 (output_die): Likewise.
3854 (prune_unused_types_mark): Likewise.
3855 (prune_unused_types_walk): Likewise.
3856 (same_die_p): Update for change to die_struct.
3857 (break_out_includes): Likewise.
3858 (prune_unused_types_prune): Likewise.
3859 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3860 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3862 (dwarf2out_finish): Don't call reverse_all_dies.
3864 2006-04-21 Eric Christopher <echristo@apple.com>
3866 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3867 in comments and function names.
3869 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3872 * c-typeck.c (digest_init): Robustify.
3874 * c-typeck.c (pop_init_level): Simplify.
3876 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3878 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3880 2006-04-21 Paul Brook <paul@codesourcery.com>
3882 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3883 hardware floating point.
3885 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3887 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3890 2006-04-21 Nick Clifton <nickc@redhat.com>
3892 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3895 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3898 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3899 C++ lang type in traceback table for Objective-C++.
3901 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3903 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3905 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3907 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3910 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3911 were errors. Remove check for erroneous objects.
3913 2006-04-20 Jeff Law <law@redhat.com>
3915 PR tree-optimization/26854
3916 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3917 checking for zero or one use.
3918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3919 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3920 * tree-ssa-reassoc.c (negate_value): Similarly.
3921 (reassociate_bb): Similarly.
3923 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3925 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3926 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3927 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3929 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3931 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3932 fp regs if the last fp arg doesn't fit in regs.
3934 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3937 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3938 that the last insn has the REG_INC note.
3940 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3941 Nathan Sidwell <nathan@codesourcery.com>
3944 * stor-layout.c (update_alignment_for_field): Do not align
3946 (place_union_field): Place union field at the start of the union.
3947 (place_field): Move ERROR_MARK check later, and use the current
3948 allocation position to maintain monotonicity.
3950 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3952 * dominance.c: Include timevar.h.
3953 (calculate_dominance_info): Use TV_DOMINANCE.
3954 * timevar.def (TV_DOMINANCE): New timevar.
3955 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3957 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3959 PR rtl-optimization/14261
3960 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3961 move would be an INSV insn.
3962 (noce_process_if_block): Don't optimize if the destination is a
3963 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3965 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3967 * config/s390/s390.md: Add comments with the instructions emitted
3968 by an insn pattern if macros are used.
3970 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3972 PR rtl-optimization/26026
3973 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3974 is a known power of two shifted left a variable amount.
3976 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3978 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3979 to hash table twice when the debug_str section has SECTION_MERGE.
3981 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3983 * config/soft-fp: New directory. From glibc.
3984 * config/soft-fp/t-softfp: New.
3985 * config/soft-fp/README: New.
3986 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3987 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3988 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3989 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3990 * config.gcc: Use rs6000/t-fprules-fpbit or
3991 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3993 * config/rs6000/sfp-machine.h: New. Based on glibc.
3994 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3996 * config/rs6000/t-fprules: Remove fp-bit rules.
3997 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3998 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3999 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4000 (softfp_wrap_start, softfp_wrap_end): New.
4002 2006-04-18 DJ Delorie <dj@redhat.com>
4004 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4006 2006-04-18 Devang Patel <dpatel@apple.com>
4008 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4010 2006-04-18 Nick Clifton <nickc@redhat.com>
4012 * config/sh/t-symbian: Add rule to build sh-c.o
4013 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4014 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4015 (sh_symbian_encode_section_info): Likewise.
4017 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4019 * builtins.c (expand_builtin_strcmp): Cover label definition of
4020 do_libcall with HAVE_cmpstrnsi.
4022 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4024 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4026 * function.h (temp_slot_p): New.
4027 (function): Change the type of x_used_temp_slots to
4028 VEC(temp_slot_p,gc) *.
4030 2006-04-18 Nick Clifton <nickc@redhat.com>
4032 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4033 flag_strength_reduce.
4035 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4037 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4041 Partial revert of revision 112637
4042 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4043 Dale Johannesen <dalej@apple.com>
4046 * regclass.c (struct reg_pref): Update documentation.
4047 (regclass): Set prefclass to NO_REGS if memory is the best option.
4048 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4050 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4052 PR tree-optimization/26821
4053 * tree-ssa-math-opts.c (get_constant_one): New.
4054 (insert_reciprocals): Use it.
4056 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4058 * dwarf2out.c (free_AT): Delete.
4059 (remove_AT): Update string ref counts.
4060 (remove_child_TAG): Don't call free_die.
4062 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4063 or DW_TAG_GNU_EINCL.
4064 (prune_unused_types_walk_attribs): Reset string refcounts.
4065 (prune_unused_types_update_strings): New.
4066 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4067 call free_die. Do call prune_unused_types_update_strings.
4068 (prune_unused_types): Empty debug_str_hash.
4070 2006-04-17 Roger Sayle <roger@eyesopen.com>
4072 * expr.c (expand_assignment): Optimize away no-op moves where the
4073 source and destination are equal and have no side-effects.
4075 2006-04-17 Richard Guenther <rguenther@suse.de>
4078 * reload.c (push_reload): Guard calls to get_secondary_mem
4081 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4083 * alias.c (reg_base_value, old_reg_base_value): Change the
4084 type to VEC(rtx,gc) *.
4085 (REG_BASE_VALUE, find_base_value, record_set,
4086 init_alias_analysis): Use VEC instead of VARRAY.
4088 * alias.c (alias_sets): Change the type to
4089 VEC(alias_set_entry,gc) *.
4090 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4091 VEC instead of VARRAY.
4092 (last_alias_set): Remove.
4094 * cgraph.h (cgraph_edge_p): New.
4095 Update the prototype of cgraph_function_versioning.
4096 * cgraphunit.c (cgraph_copy_node_for_versioning,
4097 cgraph_function_versioning): Use VEC instead of VARRAY.
4098 * ipa-cp.c (ipcp_insert_stage): Likewise.
4100 2006-04-16 Roger Sayle <roger@eyesopen.com>
4103 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4104 "A op B" or "A op C", we may need to convert A to the type of B and C.
4106 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4108 * target.h (struct gcc_target): Add mode_rep_extended.
4109 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4110 (init_num_sign_bit_copies_in_rep): Initialize it using
4112 (truncate_to_mode): Use it.
4113 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4114 * targhooks.h (default_mode_rep_extended): Declare it.
4115 * targhooks.c (default_mode_rep_extended): Define it.
4116 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4117 default_mode_rep_extended.
4118 (TARGET_INITIALIZER): Include it.
4119 * doc/tm.texi (Misc): Document it.
4120 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4121 (mips_truncated_to_mode): New function.
4123 2006-04-16 Roger Sayle <roger@eyesopen.com>
4126 * expr.c (compress_float_constant): Copy the narrow constant into
4127 a new pseudo before extending it to its final width.
4129 2006-04-16 Roger Sayle <roger@eyesopen.com>
4130 Andrew Pinski <pinskia@gcc.gnu.org>
4131 Dale Johannesen <dalej@apple.com>
4134 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4135 special case code to implement V8HImode and V16QImode with SSE2.
4137 2006-04-15 Roger Sayle <roger@eyesopen.com>
4139 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4140 trees are constructed with a suitable tree type.
4142 2006-04-15 Roger Sayle <roger@eyesopen.com>
4144 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4145 (integer_onep): Likewise.
4146 (integer_all_onesp): Likewise.
4147 (integer_pow2p): Likewise.
4148 (integer_nonzerop): Likewise.
4149 (real_zerop): Likewise.
4150 (real_onep): Likewise.
4151 (real_twop): Likewise.
4152 (real_minus_onep): Likewise.
4153 (int_size_in_bytes): Likewise.
4154 (host_integerp): Likewise.
4156 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4158 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4159 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4160 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4162 * tree-ssa-structalias.h (alias_info): Remove num_references.
4164 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4166 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4167 (output_bvb patterns): Likewise.
4168 * pa.c (output_bb): Use 'bb' insn for long branch case.
4169 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4170 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4171 1. Correct length operand for alternatives 1 and 2.
4172 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4173 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4175 2006-04-14 Roger Sayle <roger@eyesopen.com>
4177 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4178 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4179 were accidentally reverted by r112959.
4181 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4184 * except.h (eh_region_outermost): New prototype.
4185 * except.c (eh_region_outermost): New function.
4186 * tree-cfg.c (find_outermost_region_in_block): Use it.
4188 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4190 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4192 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4193 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4194 (init_reload, reload): Use VEC instead of VARRAY.
4195 * reload.h: Update the prototype for
4196 reg_equiv_memory_loc_varray.
4198 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4199 Eric Botcazou <ebotcazou@libertysurf.fr>
4201 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4204 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4207 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4208 to expand fallback builtin function call.
4210 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4213 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4214 and emit libcall here in case the builtin fails.
4215 (expand_builtin_strcmp): Always emit the libcall here on failure.
4217 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4219 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4220 * flow.c (reg_n_info): Change the type to
4221 VEC(reg_info_p,heap) *.
4222 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4224 * regs.h (reg_info_p): New.
4225 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4226 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4227 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4230 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4232 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4234 * params.h (MAX_SCHED_READY_INSNS): New macro.
4235 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4236 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4237 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4238 the ready list for 1 cycle during the first scheduling pass.
4239 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4241 2006-04-13 Richard Henderson <rth@redhat.com>
4244 * gimple-low.c (lower_omp_directive): Remove dead code.
4245 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4246 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4247 * omp-low.c (struct omp_region): Move to tree-flow.h.
4248 (root_omp_region): Export.
4249 (omp_regions, lookup_omp_region): Remove.
4250 (determine_parallel_type): Update for struct omp_region changes.
4251 (dump_omp_region): Dump regions with block numbers.
4252 (new_omp_region): Take type and block instead of stmt; malloc
4254 (free_omp_region_1, free_omp_regions): New.
4255 (expand_parallel_call): Take entry_stmt as argument; update for
4256 changes to omp_region.
4257 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4258 (remove_exit_barriers): New.
4259 (expand_omp_parallel): Update for struct omp_region changes.
4260 (expand_omp_synch): Likewise.
4261 (expand_omp): Likewise.
4262 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4263 (expand_omp_for_static_chunk): Likewise.
4264 (expand_omp_for): Likewise.
4265 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4266 (expand_omp_sections): Similarly, with GOMP_sections_end.
4267 (expand_omp_single): New.
4268 (build_omp_regions_1): Update for OMP_CONTINUE.
4269 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4270 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4271 OMP_SECTIONS_SECTIONS.
4272 (lower_omp_single_simple): Don't emit barrier here.
4273 (lower_omp_single_copy): Likewise.
4274 (lower_omp_single): Fix bindings, and lower to straightline now.
4275 (lower_omp_master, lower_omp_ordered): Likewise.
4276 (lower_omp_critical): Likewise.
4277 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4278 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4279 omp edges, free it afterward.
4280 (make_omp_sections_edges): Remove.
4281 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4282 (move_stmt_r): Handle OMP_CONTINUE.
4283 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4284 statement pointers to basic blocks. Add type member.
4285 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4286 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4287 * tree-inline.c (estimate_num_insns_1): Likewise.
4288 * tree-pretty-print.c (dump_generic_node): Likewise.
4289 * tree-ssa-operands.c (get_expr_operands): Likewise.
4290 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4291 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4292 (OMP_CONTINUE): New.
4293 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4294 (OMP_SECTIONS_SECTIONS): Remove.
4295 (OMP_SECTION_LAST): New.
4296 (OMP_RETURN_NOWAIT): New.
4298 2006-04-13 Roger Sayle <roger@eyesopen.com>
4300 * fold-const.c (native_encode_vector, native_interpret_real):
4301 Correct obvious mistakes in the previous check-in.
4303 2006-04-13 Roger Sayle <roger@eyesopen.com>
4305 * fold-const.c (native_encode_expr): New function to encode
4306 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4307 or VECTOR_CST into a specified buffer.
4308 (native_encode_int): New function.
4309 (native_encode_real): New function.
4310 (native_encode_complex): New function.
4311 (native_encode_vector): New function.
4312 (native_interpret_expr): Inverse of native_encode_expr to convert
4313 a target representation into an INTEGER_CST, REAL_CST etc...
4314 (native_interpret_int): New function.
4315 (native_interpret_real): New function.
4316 (native_interpret_complex): New function.
4317 (native_interpret_vector): New function.
4318 (fold_view_convert_expr): New function to constant fold/evaluate
4319 a VIEW_CONVERT_EXPR of a suitable constant expression.
4320 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4321 Change call of build1 to fold_build1 when constructing a
4324 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4325 Ulrich Weigand <uweigand@de.ibm.com>
4328 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4331 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4334 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4335 optimize to lo_sum for DFmode if !TARGET_FPRS.
4337 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4339 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4340 delete_alias_info, compute_flow_sensitive_aliasing,
4341 group_aliases): Use VEC instead of VARRAY.
4342 * tree-ssa-structalias.c (update_alias_info): Likewise.
4343 * tree-ssa-structalias.h (alias_info): Change the type of
4344 processed_ptrs to VEC(tree,heap) *.
4346 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4349 * config/sh/lib1funcs.h: New file, broken out of:
4350 * config/sh/lib1funcs.asm.
4351 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4353 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4354 * config/sh/lib1funcs-Os-4-200.asm: New file.
4355 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4356 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4357 (EXTRA_MULTILIB_PARTS): Include it.
4358 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4359 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4360 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4361 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4364 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4366 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4367 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4368 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4370 * tree-ssa-live.h: Include vecprim.h.
4371 (tree_partition_associator_d): Change the type of
4372 first_partition to VEC(int,heap) *.
4373 (tpa_first_partition): Use VEC instead of VARRAY.
4375 * Makefile.in (GTFILES): Move functions.h after tree.h.
4376 * function.c (reset_block_changes, record_block_change,
4377 check_block_change, free_block_changes): Use VEC instead of
4379 * function.h (function): Change the type of
4380 ib_boundaries_block to VEC(tree,gc) *.
4381 * tree-inline.c (copy_cfg_body): Initialize
4382 ib_boundaries_block to NULL instead of (varray_type) 0.
4384 2006-04-12 Roger Sayle <roger@eyesopen.com>
4386 * expr.c (emit_group_store): Correct operand order in call to
4387 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4388 a SUBREG_BYTE of zero.
4390 2006-04-12 Richard Guenther <rguenther@suse.de>
4392 * profile.c (compute_branch_probabilities): Remove code
4393 encapsulated in !ir_type (), which are remanents of the
4394 removed RTL profiling code.
4395 * rtl-profile.c: Remove.
4397 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4399 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4400 magic NULL_RTX comment.
4401 (function_arg): Store entire fp arg to mem if any part should go
4403 (rs6000_arg_partial_bytes): Adjust for above change.
4405 2006-04-11 Roger Sayle <roger@eyesopen.com>
4407 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4408 if it hasn't been initialized by dwarf2out_init.
4410 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4412 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4413 symbolic constants in branch patterns.
4415 2006-04-11 Roger Sayle <roger@eyesopen.com>
4417 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4419 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4421 PR rtl-optimization/27073
4422 * gcse.c (try_replace_reg): Revert last change. Continue to search
4423 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4426 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4428 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4429 aggregate types other than record and union types.
4430 (function_arg): Likewise.
4431 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4433 (function_value): In 64-bit mode, return objects that require it
4436 2006-04-11 Roger Sayle <roger@eyesopen.com>
4438 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4440 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4442 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4444 2006-04-03 Jeff Law <law@redhat.com>
4447 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4448 alias information too.
4450 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4452 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4454 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4457 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4458 (premark_used_types_helper): New.
4459 (premark_used_types): New.
4460 (gen_subprogram_die): Call premark_used_types.
4461 (prune_unused_types_walk): Do not prune perennial dies.
4462 * function.c (used_types_insert): New.
4463 * function.h (struct function): Add used_types_hash field.
4464 (used_types_insert): Add prototype.
4465 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4466 * c-parser.c (c_parser_cast_expression): Save casted types in used
4469 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4472 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4473 rs6000_explicit_options.float_gprs.
4475 2006-04-10 Roger Sayle <roger@eyesopen.com>
4477 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4478 from ix86_expand_vector_init_low_nonzero. Take an additional
4479 one_var argument indicating which element is non-zero. Support
4480 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4481 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4482 with one_var instead of ix86_expand_vector_init_low_nonzero.
4484 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4486 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4487 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4488 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4489 build/genextract.o): Depend on vecprim.h.
4490 * cfglayout.c, df-problems.c, function.c, genextract.c,
4491 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4492 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4496 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4498 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4499 Declare VECs of this type.
4500 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4501 (remove_children): Delete.
4502 (add_dwarf_attr): Use VEC routines.
4503 (add_AT_flag): Update for changes to add_dwarf_attr.
4504 (add_AT_int): Likewise.
4505 (add_AT_unsigned): Likewise.
4506 (add_AT_long_long): Likewise.
4507 (add_AT_vec): Likewise.
4508 (add_AT_string): Likewise.
4509 (add_AT_die_ref): Likewise.
4510 (add_AT_fde_ref): Likewise.
4511 (add_AT_loc): Likewise.
4512 (add_AT_loc_list): Likewise.
4513 (add_AT_addr): Likewise.
4514 (add_AT_lbl_id): Likewise.
4515 (add_AT_lineptr): Likewise.
4516 (add_AT_macptr): Likewise.
4517 (add_AT_offset): Likewise.
4518 (add_AT_range_list): Likewise.
4519 (get_AT): Use VEC_iterate.
4520 (remove_AT): Use VEC_ordered_remove.
4521 (free_die): Fold remove_children into here; have it use VEC_iterate.
4522 (print_die): Use VEC_iterate on attrs.
4523 (reverse_die_lists): Don't reverse attr lists.
4524 (die_checksum): Use VEC_iterate on attrs.
4525 (same_die_p): Likewise.
4526 (output_location_lists): Likewise.
4527 (build_abbrev_table): Likewise.
4528 (size_of_die): Likewise.
4529 (unmark_all_dies): Likewise.
4530 (output_abbrev_section): Likewise.
4531 (output_die): Likewise.
4532 (prune_unused_types_walk_attribs): Likewise.
4534 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4536 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4538 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4541 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4543 2006-04-09 Roger Sayle <roger@eyesopen.com>
4545 * expr.c (store_constructor): Don't bother clearing target if
4546 we're about to assign a vector to it using vec_init_optab.
4548 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4550 * tree-ssa-alias.c (lhs_may_store_to): New function.
4551 (recalculate_used_alone): Handle LHS of calls.
4553 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4557 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4558 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4559 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4560 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4561 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4562 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4563 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4564 stubs. Add ".align 8" directives before all ".dword" directives.
4565 (GTHREAD_USE_WEAK): Revise comment.
4566 (TARGET_ATTRIBUTE_WEAK): Define.
4567 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4568 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4569 * stublib.c: New file.
4574 * pa.md (cbranch patterns): Revise arguments used in calls to
4575 output_cbranch, output_bb and output_bvd. Add long branch length
4577 (fbranch patterns): Handle long branches.
4578 (jump): Revise length check. Revise arguments for output_lbranch call.
4579 Add long branch length attributes.
4580 (decrement_and_branch_until_zero): Add long branch length attributes.
4581 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4582 Likewise. Revise arguments for output_parallel_addb and
4583 output_parallel_movb calls.
4584 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4585 output_parallel_movb and output_parallel_addb): Update prototypes.
4586 * pa.c (output_cbranch): Revise arguments. Correct handling of
4587 nullification in long branches.
4588 (output_lbranch): Add new argument to control extraction of delay
4590 (output_bb): Handle long branches.
4591 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4592 output_parallel_addb): Likewise.
4594 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4596 PR rtl-optimization/27073
4597 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4600 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4602 * tree.h (tree_memory_tag): Add old_used_alone.
4603 (SMT_OLD_USED_ALONE): New macro.
4604 * tree-ssa-alias.c (recalculate_used_alone): Stop
4605 marking things for renaming unnecessarily.
4607 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4609 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4610 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4611 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4612 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4613 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4614 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4615 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4616 spelling convensions.
4617 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4618 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4619 typos. Follow spelling conventions.
4621 2006-04-07 DJ Delorie <dj@redhat.com>
4623 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4624 passed on the stack.
4625 (m32c_init_cumulative_args): When a function returns a structure,
4626 always pass the pointer to that return area on the stack.
4627 (m32c_function_arg_advance): Don't increment the parameter number
4628 if we're processing the returned structure pointer.
4629 (pushm_info): Reverse order of registers.
4631 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4633 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4634 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4635 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4636 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4638 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4639 chrec_fold_multiply): Same.
4640 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4641 force_expr_to_var_cost): Same.
4642 * tree-mudflap.c (mf_xform_derefs_1): Same.
4643 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4645 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4647 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4648 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4651 2006-04-07 Jan Hubicka <jh@suse.cz>
4653 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4655 2006-04-07 Richard Guenther <rguenther@suse.de>
4657 PR tree-optimization/26135
4658 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4659 loads for store copy-prop.
4660 (copy_prop_visit_stmt): Likewise.
4662 2006-04-05 Robert Millan <robertmh@gnu.org>
4664 * config/i386/linux.h: Add a comment to mark macros that are
4665 being overriden in config/k*bsd-gnu.h.
4666 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4668 * config/knetbsd-gnu.h: Ditto.
4670 2006-04-06 Jan Hubicka <jh@suse.cz>
4674 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4677 2006-04-06 Mike Stump <mrs@apple.com>
4679 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4680 for HAVE_nonlocal_goto to be consistent.
4681 (expand_builtin_nonlocal_goto): Likewise.
4682 (expand_builtin_strcmp): Use #ifdef instead of #if
4683 for HAVE_cmpstrnsi to be consistent.
4685 2006-04-05 DJ Delorie <dj@redhat.com>
4687 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4690 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4692 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4693 got-relative addressing for anything but SImode.
4695 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4696 even if the calling function doesn't modify them.
4698 2006-04-05 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/26919
4701 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4702 to cgraph_estimate_size_after_inlining.
4704 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4706 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4708 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4710 PR tree-optimization/26996
4711 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4712 VECTOR_TYPE variables.
4714 2006-04-05 Richard Guenther <rguenther@suse.de>
4716 PR tree-optimization/26763
4717 * fold-const.c (fold_comparison): Move folding of
4718 PTR + CST CMP PTR + CST ...
4719 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4721 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4723 * doc/install.texi (Prerequisites): Refine some wording on
4724 bootstrapping and ksh.
4725 Move the version numbers of DejaGnu here from the testing section
4726 and fix casing of names.
4727 Fix markup and clarify wording for autogen requirements.
4728 Refer to GCJ instead of just java.
4729 Refer to SVN instead of CVS.
4730 Describe diffutils as useful instead of necessary.
4731 (Downloading the source): Refer to SVN instead of CVS.
4732 Adjust a link to our web site accordingly.
4733 (Configuration): Fix casing of Bison.
4734 (Building): Refer to SVN instead of CVS.
4735 Fix a sentence on the use of Bison and remove duplicate (and
4736 incorrect) version number of Bison requirement.
4737 Remove one redundant list of packages needed for building.
4738 (Specific): Avoid reference to CVS.
4740 2006-04-04 Eric Christopher <echristo@apple.com>
4742 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4743 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4744 (rs6000_handle_struct_attribute): New.
4745 (rs6000_ms_bitfield_layout_p): Ditto.
4747 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4749 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4750 NULL for dso parameter to atexit_common.
4752 2006-04-04 Eric Christopher <echristo@apple.com>
4754 * config/i386/i386.c (machopic_output_stub): Output \t
4755 between instructions and operands.
4757 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4759 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4760 satisfies_constraint_[IL] to explicit tests on value.
4762 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4764 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4765 set_nb_iterations_in_loop): Use build_int_cst instead of
4767 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4768 build_int_cst instead of convert.
4770 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4772 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4773 new value 2 for incoming.
4774 * function.c (expand_function_start): Call struct_value_rtx
4776 * config/sparc/sparc.md: Comment updated_return.
4777 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4778 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4779 struct return if sparc_std_struct_return and incoming is 2.
4780 (print_operand): Do not adjust return if
4781 sparc_std_struct_return.
4783 2006-04-04 Roger Sayle <roger@eyesopen.com>
4785 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4786 convert in the middle-end.
4787 * expr.c (store_expr, store_constructor, get_inner_reference,
4788 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4790 * tree.c (build_range_type): Likewise.
4792 2006-04-04 Tom Tromey <tromey@redhat.com>
4794 * doc/install.texi (Prerequisites): Mention jar.
4796 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4798 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4801 2006-04-04 Matthias Klose <doko@debian.org>
4803 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4804 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4807 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4809 * doc/extend.texi (Function Attributes): Rewrite visibility
4810 attribute documentation.
4811 * doc/invoke.texi (C++ Dialect Options): Rewrite
4812 -fvisibility-inlines-hidden documentation to describe something
4813 entirely different, although in practise compatible.
4814 (Code Gen Options): Warn about system headers in -fvisibility=
4817 * doc/extend.texi (Other Builtins): Document that
4818 __builtin_nan is a compile-time constant only when its argument
4821 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4823 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4824 trying to remove TRUNCATE check if all bits outside the new mode
4825 are identical to the sign bit.
4827 2006-04-03 Jeff Law <law@redhat.com>
4829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4830 and operand scanning in some common cases.
4832 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4833 Dale Johannesen <dalej@apple.com>
4836 * regclass.c (struct reg_pref): Update documentation.
4837 (regclass): Set prefclass to NO_REGS if memory is the best option.
4838 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4839 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4840 into account. For non-registers, equate an empty preferred
4841 reload class to a `!' in the constraint; move the if clause to
4842 do so after those that reject the insn.
4843 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4845 (find_dummy_reload): Likewise.
4846 * doc/tm.texi (Register Classes): Document what it means
4847 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4848 * config/i386/i386.c (ix86_preferred_reload_class): Force
4849 using SSE registers (and return NO_REGS for floating-point
4850 constants) if math is done with SSE.
4851 (ix86_preferred_output_reload_class): New.
4852 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4853 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4854 * config/i386/i386.md: Remove # register preferences.
4856 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4859 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4860 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4861 the type of nb_iter.
4862 (instantiate_parameters_1): Convert the operands before calling
4863 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4864 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4866 2006-04-02 Roger Sayle <roger@eyesopen.com>
4868 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4869 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4871 * dojump.c (do_jump): Likewise.
4872 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4873 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4874 gimplify_boolean_expr): Likewise.
4875 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4876 * varasm.c (array_size_for_constructor): Likewise.
4877 * tree-object-size.c (compute_object_offset): Likewise.
4879 2006-04-02 Roger Sayle <roger@eyesopen.com>
4882 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4883 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4885 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4887 PR tree-optimization/26939
4888 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4890 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4892 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4893 at_stmt. Convert the type of operands before calling
4894 build_polynomial_chrec.
4895 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4897 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4898 (instantiate_parameters_1): Convert the type of operands before calling
4899 build_polynomial_chrec.
4900 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4901 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4902 reset_evolution_in_loop): Insert asserts to check the types of the
4904 (chrec_type): Moved...
4905 (eq_evolutions_p): Use operand_equal_p.
4906 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4907 the types of the operands.
4908 (chrec_type): ...here.
4909 * tree-data-ref.c (create_data_ref): Convert the operands before
4910 calling chrec_replace_initial_condition.
4911 (same_access_functions, analyze_subscript_affine_affine,
4912 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4913 (compute_subscript_distance, analyze_ziv_subscript,
4914 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4915 analyze_miv_subscript): Convert the operands before calling
4916 chrec_fold_minus or chrec_fold_plus.
4918 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4920 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4921 the dependence_relations vector.
4922 (compute_data_dependences_for_loop): Adjust call to
4923 compute_all_dependences.
4925 2006-04-01 Roger Sayle <roger@eyesopen.com>
4926 Richard Henderson <rth@redhat.com>
4928 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4929 gimple_boolify on the condition before calling gimplify_expr.
4931 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4933 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4934 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4935 the frame size. Update to use the new macros.
4936 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4937 * config/xtensa/ieee754-df.S: Likewise.
4939 2006-03-31 Richard Henderson <rth@redhat.com>
4941 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4942 (make_edges): ... here. Control fallthru creation with a local
4943 variable. Do not play with fake edges.
4944 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4945 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4948 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4950 * dwarf2.h (DW64_CIE_ID): Define.
4951 * dwarf2out.c (DWARF_CIE_ID): Define.
4952 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4953 length header. Use DWARF_CIE_ID.
4954 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4955 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4957 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4959 * config/sh/linux-atomic.asm: New file.
4960 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4962 2006-03-31 DJ Delorie <dj@redhat.com>
4964 * config/m32c/cond.md: Set condition flags properly throughout.
4965 * config/m32c/minmax.md: Likewise.
4966 * config/m32c/prologue.md: Likewise.
4967 * config/m32c/bitops.md: Likewise.
4968 * config/m32c/muldiv.md: Likewise.
4969 * config/m32c/mov.md: Likewise.
4970 * config/m32c/addsub.md: Likewise.
4971 * config/m32c/m32c.md: Likewise.
4972 * config/m32c/jump.md: Likewise.
4973 * config/m32c/shift.md: Likewise.
4975 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4976 conditionally output the pattern for this.
4977 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4978 (m32c_compare_redundant): New.
4979 (m32c_output_compare): New.
4980 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4982 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4983 dest, not src. Allow other 4-byte modes.
4985 2006-03-30 Denis Chertykov <denisc@overta.ru>
4987 * doc/md.texi: Refer to avr/constraints.md instead of
4990 2006-03-30 Roger Sayle <roger@eyesopen.com>
4992 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4993 signed vs. unsigned comparison failures on some hosts.
4995 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4998 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4999 change to FLOAT_REGS.
5001 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5002 (rs6000_override_options): Use it.
5003 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5004 only for -mabi=spe/no-spe and -mabi=altivec.
5006 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5008 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5011 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5013 * Makefile.in: Rename docdir to gcc_docdir.
5015 2006-03-30 Roger Sayle <roger@eyesopen.com>
5018 * expr.c (emit_group_store): Optimize group stores into a pseudo
5019 register by using a paradoxical subreg to initialize the destination
5020 if the first or last member of the group specifies a "low part".
5022 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5025 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5026 * target.h (struct gcc_target.speculate_insn): Change type of the
5027 second parameter to 'int'.
5028 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5029 the second operand of the DEPS_LIST.
5030 (copy_DEPS_LIST_list): Update reference to the second operand of the
5032 * rtl.h (alloc_DEPS_LIST): Update signature.
5033 * sched-int.h (ds_t): Change typedef to 'int'.
5034 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5036 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5038 * haifa-sched.c (try_ready): Change condition to restore
5039 non-speculative pattern of the instruction.
5040 (process_insn_depend_be_in_spec): Code to keep probability of the
5041 speculative dependence non-decreasing.
5043 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5045 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5046 (single_move_for_movmem): ... this. Also change all uses.
5047 (bfin_expand_strmov): Renamed to...
5048 (bfin_expand_movmem): ... this. Also change all uses.
5049 * config/bfin/bfin.md (movstrsi): Renamed to...
5050 (movstrsi): ...this.
5052 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5054 PR tree-optimization/26830
5056 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5057 (copy_prop_visit_stmt): Remove write-only variable ann.
5058 (init_copy_prop): Check variable loop depth here. Do not simulate
5059 memory-tag and virtual operand PHIs except for store copy prop.
5061 2006-03-30 Richard Guenther <rguenther@suse.de>
5063 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5064 variants with double arguments.
5066 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5068 * genpreds.c (write_tm_constrs_h): Delete variable p.
5069 * genconditions.c (write_header): Add tm-constrs.h to included
5071 * genpeep.c (main): Add toplev.h to included headers.
5072 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5073 (build/genpeep.o): Add toplev.h dependency.
5074 * config/rs6000/constraints.md: Add "W" constraint.
5076 2006-03-29 Roger Sayle <roger@eyesopen.com>
5078 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5079 sizes by correctly testing whether the size fits a host integer.
5080 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5081 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5082 SImode range for the default sizetype and bitsizetype.
5084 2006-03-29 Roger Sayle <roger@eyesopen.com>
5086 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5087 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5088 quickly if the argument is already of the correct type.
5089 Call fold_build1 instead of build1. Tidy up blank lines.
5091 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5093 * genemit.c (main): Add tm-constrs.h to included headers.
5094 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5095 * genpeep.c (main): Add tm-constrs.h to included headers.
5096 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5097 (write_tm_constrs_h): this and write complete file.
5098 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5099 (write_insn_preds_c): Add tm-constrs.h to included headers.
5100 (gen_constrs): New variable.
5101 (parse_option): Parse "-c".
5102 (main): Invoke write_tm_constrs_h.
5103 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5104 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5105 (object_out_file): Add tm-constrs.h dependency.
5106 (insn-emit.o): Same.
5107 (insn-output.o): Same.
5108 (insn-peep.o): Same.
5109 (insn-preds.o): Same.
5110 (insn-recog.o): Same.
5111 (tm-constsr.h): New target.
5112 (s-constrs-h): New target.
5114 * config/rs6000/constraints.md: New file.
5115 * config/rs6000/rs6000.c: Include tm-constrs.h.
5116 (num_insn_constant_wide): Convert to satisfies_constraint.
5117 (rs6000_rtx_costs): Convert to satisfies_constraint.
5118 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5119 (CONST_OK_FOR_LETTER_P): Delete.
5120 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5121 (EXTRA_CONSTRAINT): Delete.
5122 (EXTRA_MEMORY_CONSTRAINT): Delete.
5123 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5124 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5125 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5126 satisfies_constraint.
5128 * config/i386/i386.c: Include tm-constrs.h.
5130 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5132 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5133 * tree-data-ref.c (find_data_references_in_loop,
5134 compute_data_dependences_for_loop): Use pointers to VEC.
5135 (analyze_all_data_dependences): Adjust calls.
5136 * tree-data-ref.h (find_data_references_in_loop,
5137 compute_data_dependences_for_loop): Adjust declarations.
5138 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5139 compute_data_dependences_for_loop.
5141 2006-03-29 Paul Brook <paul@codesourcery.com>
5143 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5146 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5148 PR tree-optimization/26859
5149 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5151 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5152 for the step after fold_convert.
5154 2006-03-29 Paul Brook <paul@codesourcery.com>
5156 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5157 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5159 2006-03-29 Paul Brook <paul@codesourcery.com>
5162 * targhooks.c (default_narrow_bitfield): New fuction.
5163 * targhooks.h (default_narrow_bitfield): add prototype.
5164 * target.h (gcc_target): Add narrow_volatile_bitfield.
5165 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5166 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5167 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5168 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5170 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5172 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5174 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5175 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5176 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5177 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5178 (s390_function_arg_float): Allow SDmode and DDmode values to be
5179 passed in floating point registers.
5180 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5181 check with SCALAR_FLOAT_MODE_P.
5182 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5184 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5186 PR tree-optimization/25985
5187 * tree-ssa-loop-niter.c (number_of_iterations_le,
5188 number_of_iterations_ne): Make comments more precise.
5189 (number_of_iterations_cond): Add only_exit argument. Use the
5190 fact that signed variables do not overflow only when only_exit
5192 (loop_only_exit_p): New.
5193 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5194 number_of_iterations_cond.
5196 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5198 PR tree-optimization/26643
5199 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5202 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5204 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5205 (divsi3_i4_int): Likewise.
5207 2006-03-28 Roger Sayle <roger@eyesopen.com>
5209 * expr.c (emit_group_store): Only create a new pseudo reg if the
5210 quantity it needs to hold isn't already a suitable pseudo.
5212 2006-03-28 Jeff Law <law@redhat.com>
5214 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5215 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5217 2006-03-28 Roger Sayle <roger@eyesopen.com>
5219 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5220 the equivalent ~X & Y, and the symmetry related transformations.
5221 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5222 ~X & Y, and symmetry related transforms.
5224 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5226 Revert my 2006-03-27 patches.
5228 2006-03-28 Roger Sayle <roger@eyesopen.com>
5230 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5231 ~(T1)X, when T1 and T2 are integer types of the same precision
5232 and (T2)X isn't an extension.
5234 2006-03-28 Jeff Law <law@redhat.com>
5236 PR tree-optimization/26796
5237 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5238 need EH edge cleanups rather than purging them immediately.
5239 (eliminate_degenerate_phis): Handle queued EH cleanups.
5241 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5243 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5246 2006-03-27 Roger Sayle <roger@eyesopen.com>
5249 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5250 cast BIT_NOT_EXPR operand to the correct type.
5252 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5254 * tree-loop-linear.c: Don't include varray.h.
5255 (gather_interchange_stats, try_interchange_loops,
5256 linear_transform_loops): Use VEC instead of VARRAY.
5257 * lambda-mat.c: Don't include varray.h.
5258 * tree-chrec.c: Same.
5259 * lambda-trans.c: Same.
5260 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5261 VEC instead of VARRAY.
5262 * tree-vectorizer.h: Idem.
5263 * tree-data-ref.c (dump_data_references,
5264 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5265 initialize_data_dependence_relation, finalize_ddr_dependent,
5266 compute_all_dependences, find_data_references_in_loop,
5267 compute_data_dependences_for_loop, analyze_all_data_dependences,
5268 free_dependence_relation, free_dependence_relations,
5269 free_data_refs): Idem.
5270 * tree-data-ref.h (data_reference_p, subscript_p): New.
5271 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5272 VEC instead of VARRAY.
5273 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5274 (find_data_references_in_loop, compute_data_dependences_for_loop,
5275 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5276 dump_data_dependence_relations, free_dependence_relations,
5277 free_data_refs): Adjust declaration.
5278 (lambda_transform_legal_p): Move declaration here...
5279 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5280 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5281 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5282 vect_analyze_data_refs): Use VEC instead of VARRAY.
5283 * lambda.h (lambda_transform_legal_p): ...from here.
5284 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5285 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5286 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5287 tree-chrec.o): Don't depend on VARRAY_H.
5289 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5291 * rtl.def (Copyright): Update date.
5292 (DEPS_LIST): Change type of the second operand to 'int'.
5293 * target.h (Copyright): Update date.
5294 (struct gcc_target.speculate_insn): Change type of the second parameter
5296 * lists.c (Copyright): Update date.
5297 (alloc_DEPS_LIST): Change signature. Update reference to the second
5298 operand of the DEPS_LIST.
5299 (copy_DEPS_LIST_list): Update reference to the second operand of the
5301 * rtl.h (Copyright): Update date.
5302 (alloc_DEPS_LIST): Update signature.
5303 * sched-int.h (Copyright): Update date.
5304 (ds_t): Change typedef to 'int'.
5305 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5307 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5309 * haifa-sched.c (Copyright): Update date.
5310 (try_ready): Change condition to restore non-speculative pattern
5312 (process_insn_depend_be_in_spec): Code to keep probability of the
5313 speculative dependence non-decreasing.
5315 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5317 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5318 shut up the compiler.
5320 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5322 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5323 to use lib prefix for target.
5324 ($(T)libic_invalidate_array_4-200.a): Likewise.
5325 ($(T)libic_invalidate_array_4a.a): Likewise.
5327 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5328 J"orn Rennecke <joern.rennecke@st.com>
5330 * superh.opt: New file.
5331 * sh.c (boardtype, osruntime): Remove.
5332 * superh.h (SUBTARGET_OPTIONS): Remove.
5333 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5335 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5336 arguments with ^ and/or [].
5338 * config.gcc (sh-*-*): Add quoting to account for quirk of
5340 Replace == with = in enable_incomplete_targets test.
5342 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5343 with MASK_LITTLE_ENDIAN.
5345 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5346 * config/sh/sh.opt: Added to some comments.
5347 * config/sh/superh.h: Removed some chaff.
5349 * config/sh/sh.opt: Add m4-[1234]00* options.
5350 * config/sh/sh.c (sh_handle_option): Likewise.
5351 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5352 (ic_invalidate_array_4-100.o): New rule.
5353 ($(T)libic_invalidate_array_4-100.a): Likewise.
5354 (ic_invalidate_array_4-200.o): Likewise.
5355 ($(T)libic_invalidate_array_4-200.a): Likewise.
5356 (ic_invalidate_array_4a.o): Likewise.
5357 ($(T)libic_invalidate_array_4a.a): Likewise.
5358 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5359 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5361 * config/sh/crt1.asm: Merged in profiling code.
5362 * config/sh/superh.h (STARTFILE_SPEC): Override.
5363 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5364 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5365 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5367 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5368 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5369 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5371 * sh.opt (mpretend-cmove): New option.
5372 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5373 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5374 (movsicc): Add TARGET_PRETEND_CMOVE code.
5376 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5378 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5379 s390_class_max_nregs): New function prototypes.
5380 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5381 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5382 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5383 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5385 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5387 * dwarf2out.c (add_location_or_const_value_attribute): Call
5388 tree_add_const_value_attribute if nothing else works.
5389 (reference_to_unused): New.
5390 (rtl_for_decl_init): Use reference_to_unused to decide whether
5391 to output an initializer.
5393 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5396 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5397 peephole removing spe frob_di_df_2.
5399 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5401 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5402 (subscript_dependence_tester_1): Declared.
5403 (print_dir_vectors, print_dist_vectors): New.
5404 (debug_data_dependence_relation): New.
5405 (dump_data_dependence_relation): Print more details.
5406 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5407 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5408 (save_dist_v, save_dir_v, add_outer_distances,
5409 build_classic_dist_vector_1): New.
5410 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5411 Don't test for lambda_vector_lexico_pos.
5412 (same_access_functions, add_multivariate_self_dist,
5413 add_other_self_distances, dir_from_dist): New.
5414 (build_classic_dir_vector): Replace implementation almost identical to
5415 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5417 (subscript_dependence_tester_1): New.
5418 (subscript_dependence_tester): Handle the lexicographically negative
5419 distance vectors by recomputing the dependence relation.
5420 (compute_affine_dependence): Remove parameter loop_nest_depth.
5421 (compute_self_dependence): Don't call compute_subscript_distance.
5422 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5423 Add a parameter for the loop_nest.
5424 (find_loop_nest_1, find_loop_nest): New.
5425 (compute_data_dependences_for_loop): Compute the loop nest, and give
5426 up if the nest is not well formed.
5427 * tree-data-ref.h (loop_p): New.
5428 (struct data_dependence_relation): Replace size_vect field with
5429 loop_nest, a vec of loops.
5430 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5431 (DDR_LOOP_NEST): New.
5432 (print_dir_vectors, print_dist_vectors,
5433 debug_data_dependence_relation): Declared.
5434 (index_in_loop_nest): New.
5435 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5436 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5439 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5441 * simplify-rtx.c (simplify_relational_operation): Call
5442 simplify_relational_operation_1 even if mode is VOIDmode.
5444 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5446 PR tree-optimization/26804
5447 * tree.h (DECL_CALL_CLOBBERED): New macro.
5448 (tree_decl_common): Add call_clobbered_flag.
5449 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5450 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5451 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5452 (mark_non_addressable): Ditto.
5453 * tree-ssa.c (verify_call_clobbered): New function.
5454 (verify_alias_info): Use it.
5455 * tree-pass.h (pass_reset_cc_flags): New prototype.
5456 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5457 (reset_cc_flags): New function.
5458 * passes.c (init_optimization_passes): Call reset_cc_flags after
5459 initializing referenced_vars.
5461 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5462 Roger Sayle <roger@eyesopen.com>
5465 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5466 to 1.0 for non-real operands. Implement A / A optimization for
5469 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5471 * config/i386/i386.c (size_cost): Correct the comment for
5472 cost of storing fp registers.
5473 (i386_cost): Likewise.
5474 (i486_cost): Likewise.
5475 (pentium_cost): Likewise.
5476 (pentiumpro_cost): Likewise.
5477 (k6_cost): Likewise.
5478 (athlon_cost): Likewise.
5479 (k8_cost): Likewise.
5480 (pentium4_cost): Likewise.
5481 (nocona_cost): Likewise.
5482 (generic64_cost): Likewise.
5483 (generic32_cost): Likewise.
5485 2006-03-24 Denis Chertykov <denisc@overta.ru>
5487 * config/avr/avr-protos.h (extra_constraint): Delete.
5488 (extra_constraint_Q): New declaration.
5489 * config/avr/constraints.md: New file.
5490 * config/avr/avr.md: Include it.
5491 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5492 (TMP_REGNO, ZERO_REGNO): Likewise.
5493 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5494 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5495 (extra_constraint): Delete.
5496 (extra_constraint_Q): Test for memory constraint 'Q'.
5497 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5498 (REG_CLASS_FROM_LETTER): Delete.
5499 (CONST_OK_FOR_LETTER_P): Delete.
5500 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5501 (EXTRA_CONSTRAINT): Delete.
5502 (TMP_REGNO): Delete.
5503 (ZERO_REGNO): Delete.
5505 2006-03-24 Jeff Law <law@redhat.com>
5507 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5508 directly. Call mark_new_vars_to_rename slightly earlier.
5510 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5512 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5514 (gen_compile_unit_die): Use new language types for Objective-C and
5516 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5517 DW_LANG_C_plus_plus.
5520 * config/t-darwin (crt3.o): Work around bug 26840.
5521 * config/darwin-crt3.c: Rewrite.
5522 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5524 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5526 * doc/invoke.texi: Document -femit-class-debug-always
5527 * common.opt: Add -femit-class-debug-always.
5529 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5531 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5532 index and base register.
5533 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5534 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5535 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5536 REGNO_OK_FOR_INDEX_P.
5537 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5539 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5540 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5541 REG_OK_FOR_BASE_P): Definitions removed.
5543 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5546 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5547 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5548 set yet or weren't marked as local yet.
5550 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5552 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5555 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5557 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5558 (rs6000_legitimate_small_data_p): Delete.
5559 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5560 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5561 and make static. Add forward declaration. Update uses.
5562 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5563 of offsettable_memref_p.
5564 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5565 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5567 2006-03-24 Jeff Law <law@redhat.com>
5569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5570 around bug in immediate-use iterator.
5572 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5575 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5576 or __LITTLE_ENDIAN__.
5578 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5580 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5581 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5582 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5583 * config/sh/sh.opt (mdiv=): Amend description.
5584 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5585 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5586 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5587 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5588 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5589 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5590 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5591 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5592 TARGET_DIVIDE_CALL_FP.
5594 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5596 * haifa-sched.c (choose_ready): Fix type of the local variable.
5597 Move local variables. Add comment.
5598 (check_reg_live): Change signature. Make callable from debugger.
5599 * sched-int.h (check_reg_live): Update signature.
5600 * sched-ebb.c (check_reg_live): Update parameters.
5601 * sched-rgn.c (check_reg_live): Ditto.
5602 (region_head_or_leaf_p): Check pointer before dereferencing.
5603 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5604 before reload on optimization levels below 1.
5606 2006-03-23 Richard Henderson <rth@redhat.com>
5608 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5612 * config/alpha/predicates.md (local_symbolic_operand): Reject
5615 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5618 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5619 expressions which have overflowed constants.
5621 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5623 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5625 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5627 * cfgloopmanip.c (create_loop_notes): Removed.
5628 * final.c (final_scan_insn): Do not handle loop notes.
5629 * jump.c (squeeze_notes): Ditto.
5630 * cfglayout.c (skip_insns_after_block,
5631 duplicate_insn_chain): Ditto.
5632 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5634 * cfgloop.h (create_loop_notes): Declaration removed.
5636 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5638 * varasm.c (output_constant_pool): Restore fnname and fndecl
5640 (assemble_start_function): Adjust call accordingly.
5641 (assemble_end_function): Likewise.
5643 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5646 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5649 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5651 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5654 * system.h (ICE_EXIT_CODE): New macro.
5655 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5656 (diagnostic_action_after_output): Likewise.
5657 * gcc.c (fatal_ice): New function.
5658 (execute): Use it instead of fatal.
5659 (fancy_abort): Likewise.
5660 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5662 2006-03-22 Jeff Law <law@redhat.com>
5664 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5665 iv_analyze_result returning false.
5667 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5669 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5671 2006-03-22 Richard Henderson <rth@redhat.com>
5674 * except.c (duplicate_eh_regions_0): New.
5675 (duplicate_eh_region_1): Duplicate the children of the node as
5676 well as the node itself. Link them up properly.
5677 (duplicate_eh_region_2): Merge into ...
5678 (duplicate_eh_regions): ... here. Take copy_region argument, and
5679 copy only a sub-tree if asked. Simplify copying and fixup.
5680 (eh_region_outer_p): New.
5681 * except.h (duplicate_eh_regions): Update decl.
5682 (eh_region_outer_p): Declare.
5683 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5684 (lower_omp_master): Likewise.
5685 (lower_omp_ordered): Likewise.
5686 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5687 (move_stmt_r): Use it to remap labels. Handle recursion vs
5688 remap_decls_p properly.
5689 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5690 (find_outermost_region_in_block): New.
5691 (new_label_mapper): New.
5692 (move_sese_region_to_fn): Copy eh information to the new function
5694 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5696 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5699 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5701 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5702 into shared libraries.
5704 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5706 * doc/md.texi: Refer to i386/constraints.md instead of
5708 * config/i386/constraints.md: New file, extracted from...
5709 * config/i386/predicates.md: ...here.
5710 * config/i386/i386.md: Include constraints.md.
5712 2006-03-21 Jason Merrill <jason@redhat.com>
5714 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5717 * expr.c (init_block_move_fn): Force default visibility.
5718 (init_block_clear_fn): Likewise.
5719 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5720 * targhooks.c (default_external_stack_protect_fail): Likewise.
5722 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5724 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5725 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5726 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5727 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5728 (loadgp): Use mips_current_loadgp_style.
5729 (loadgp_noshared): New pattern.
5730 (sibcall_internal): Use MIPS_CALL.
5731 (sibcall_value_internal): Likewise.
5732 (sibcall_value_multiple_internal): Likewise.
5733 (call_internal): Likewise.
5734 (call_value_internal): Likewise.
5735 (call_value_multiple_internal): Likewise.
5736 (call_split): Use MIPS_CALL and add an 'S' constraint.
5737 (call_value_split): Likewise.
5738 (call_value_multiple_split): Likewise.
5739 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5740 (-mshared): New option.
5741 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5742 (mips_current_loadgp_style): Declare.
5743 * config/mips/mips.c (mips_classify_symbol): Avoid using
5744 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5745 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5746 TARGET_ABSOLUTE_ABICALLS.
5747 (override_options): Adjust comments. Improve the warning that is
5748 issued when -mabicalls and -G are used together.
5749 (mips_file_start): Remove comment.
5750 (mips_current_loadgp_style): New function.
5751 (mips_gnu_local_gp): New variable.
5752 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5754 (mips_output_function_prologue): Use mips_current_laodgp_style.
5755 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5756 the cprestore instruction.
5757 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5758 live for TARGET_ABSOLUTE_ABICALLS.
5759 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5760 (ASM_SPEC): Pass down -mshared and -mno-shared.
5761 (MIPS_CALL): New macro.
5762 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5764 * doc/invoke.texi (-mabicalls): Update documentation.
5765 (-mshared): Document.
5767 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5769 * config/ia64/unwind-hpux.c: New file.
5770 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5772 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5775 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5777 2006-03-21 Jeff Law <law@redhat.com>
5779 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5780 type conversions of a VR_VARYING source to a wider type.
5782 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5784 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5785 tm_file on Solaris 10 and later.
5786 (sparc64-*-solaris2*): Likewise.
5787 (sparc-*-solaris2*): Likewise.
5788 * config/sol26.h: Rename to config/sol2-6.h.
5789 * config/sol2-10.h: New file.
5791 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5794 * tree-ssa-pre.c (create_component_ref_by_pieces):
5797 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5800 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5801 return it immediately.
5803 2006-03-21 Michael Matz <matz@suse.de>
5805 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5807 (remove_arc, add_arc): Update num_out_arcs member.
5808 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5810 (cache_presence): New function.
5811 (compare_states_for_equiv): New function.
5812 (state_is_differed): Don't take number of outargs, adjust callers.
5813 Use new invariant for speeding up.
5814 (init_equiv_class): Create initial classes based on sorted
5816 (partition_equiv_class): Don't track out_arcs_num.
5817 (evaluate_equiv_classes): Call cache_presence on all states and
5820 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5822 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5823 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5824 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5825 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5827 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5828 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5829 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5830 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5831 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5833 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5834 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5835 (REGNO_REG_CLASS): ARGP is in PREGS.
5836 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5838 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5839 to deal with those addresses.
5840 * addresses.h: New file.
5841 * caller-save.c: Include "addresses.h".
5842 (init_caller_save): Use new base_reg_class function.
5843 * rtl-factoring.c: Include "addresses.h".
5844 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5845 * recog.c: Include "addresses.h".
5846 (preprocess_constraints): Use new base_reg_class function.
5847 * regrename.c: Include "addresses.h".
5848 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5849 functions. Keep track of a new var INDEX_CODE to compute valid
5851 (replace_oldest_value_addr): Likewise.
5852 (replace_oldest_value_mem): Use base_reg_class.
5853 * reload.c: Include "addresses.h".
5854 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5855 (find_reloads): Use new base_reg_class function.
5856 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5857 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5858 all callers and prototype changed.
5859 * reload1.c: Include "addresses.h".
5860 (maybe_fix_stack_asms): Use base_reg_class.
5861 * regclass.c: Include "addresses.h".
5862 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5863 (init_reg_autoinc): Use new base_reg_class function.
5864 (record_reg_classes): Likewise.
5865 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5866 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5867 Use new args to compute necessary class.
5869 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5870 regrename.o, rtl-factoring.o): Update dependencies.
5871 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5872 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5873 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5874 REG_OK_FOR_INDEX_P): Delete documentation.
5876 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5878 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5879 from V7 to V9 for Solaris 7 and above.
5881 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5883 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5884 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5885 argument pointers may not alias any other storage.
5886 * common.opt: Define option -fargument-noalias-anything.
5887 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5888 alias semantics is specified by flag_argument_noalias > 2.
5890 2006-03-20 Jeff Law <law@redhat.com>
5892 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5893 (pass_phi_only_cprop): Declare.
5894 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5896 * tree-ssa-dom.c (degenerate_phi_result): New function.
5897 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5898 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5899 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5900 (eliminate_degenerate_phis): Likewise.
5901 (pass_phi_only_cprop): New pass descriptor.
5902 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5903 support code. Callers updated.
5904 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5905 (store_copy_prop): Likewise.
5906 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5908 2006-03-20 Jason Merrill <jason@redhat.com>
5911 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5912 (push_visibility, pop_visibility): Likewise.
5913 * c-pragma.h: Declare them.
5915 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5917 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5919 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5920 parameter and use get_ebb_head_tail.
5921 (sh_md_init_global): Adjust uses of find_regmode_weight.
5923 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5925 * function.h (struct function) <x_tail_recursion_reentry>:
5926 Rename to x_stack_check_probe_note.
5927 (tail_recursion_reentry): Rename to stack_check_probe_note.
5928 * function.c: Replace tail_recursion_reentry with
5929 stack_check_probe_note everywhere.
5930 (expand_function_start): Only emit a note for
5931 stack_check_probe_note with -fstack-protect.
5932 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5934 * emit-rtl.c (remove_unnecessary_notes): Remove.
5935 (pass_remove_unnecessary_notes): Remove.
5936 * rtl.h (remove_unnecessary_notes): Remove prototype.
5937 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5938 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5939 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5941 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5944 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5945 (valid_in_set): Handle ARRAY_REF.
5946 Change "if min_variant or VH" to asserts.
5947 (create_component_ref_by_pieces): Handle ARRAY_REF.
5948 (create_expression_by_pieces): Likewise.
5949 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5951 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5953 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5954 is operand of switch, not str[0].
5956 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5958 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5959 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5961 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5963 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5964 end of insn_extra_address_constraint declaration.
5966 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5968 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5969 (no-sum-in-toc): Same.
5970 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5972 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5973 NO_FP_IN_TOC for -fPIC instead of mask.
5975 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5976 (BOOT_LDFLAGS): Delete.
5978 * config/rs6000/t-aix52: Same.
5980 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5981 (stmsi[345678]_power): New.
5983 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5985 * config/ia64/ia64.opt: Add empty line to end of file.
5987 2006-03-17 Richard Guenther <rguenther@suse.de>
5990 * builtins.c (get_pointer_alignment): For component style references
5991 adjust alignment to the component type alignment. Make sure
5992 to adjust alignment for component access of constants.
5994 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5996 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5999 2006-03-17 Paul Brook <paul@codesourcery.com>
6001 * doc/install.texi: Docuemnt --with-mode.
6002 * config.gcc: Add --with-mode for arm*-*-*.
6003 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6005 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6007 * sh.c (max_labelno_before_reorg): New variable.
6008 (sh_reorg): Initialize it.
6009 (find_barrier): Check max_labelno_before_reorg before using
6010 label_to_alignment. Take length of explicit alignment insns
6011 into account. When seeing a UNSPECV_CONST_END, return it.
6013 * sh.c (fixup_mova): Set mode of affected label to QImode.
6014 (untangle_mova): New function.
6015 (find_barrier): Use it. Check mode of label before decrementing
6017 (sh_reorg): Likewise.
6018 Set mode of all insns back to VOIDmode.
6020 * sh.c (MOVA_LABELREF): New macro.
6021 (mova_p, fixup_mova, sh_reorg): Use it.
6022 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6023 ADDR_DIFF_VEC matches mova.
6025 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6027 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6028 with ATTRIBUTE_UNUSED.
6030 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6032 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6033 pointer, instead of assuming it is possible to derive the
6034 correct args size from a call insn.
6036 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6038 * rtl.h (CONST_INT_P): Define.
6039 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6040 instead of GET_CODE(x) == CONST_INT.
6041 (vax_rtx_costs): Likewise.
6042 (vax_output_int_move): Likewise.
6043 (vax_output_int_add): Likewise.
6044 (legitimate_constant_address_p): Likewise.
6045 (index_term_p): Likewise.
6046 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6047 * config/vax/vax.md (and<mode>3): Likewise.
6048 (ashrsi3): Likewise.
6050 (movstricthi): Likewise.
6051 (movstrictqi): Likewise.
6052 (rotrsi3): Likewise.
6053 (five unnamed insns): Likewise.
6055 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6057 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6058 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6059 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6060 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6061 Pass to ASM_OUTPUT_DWARF_OFFSET.
6062 * dwarf2out.c (debug_frame_section): New.
6063 (output_call_frame_info): Use debug_frame_section. Pass it to
6064 dw2_asm_output_offset.
6065 (output_die): Pass appropriate section to dw2_asm_output_offset.
6066 (output_compilation_unit_header): Likewise.
6067 (output_pubnames): Likewise.
6068 (output_aranges): Likewise.
6069 (enum dw_val_class): Break dw_val_class_lbl_offset into
6070 dw_val_class_lineptr and dw_val_class_macptr.
6071 (add_AT_lbl_offset): Delete.
6072 (add_AT_lineptr): New.
6073 (add_AT_macptr): New.
6074 (AT_lbl): Expect a lineptr or macptr.
6075 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6076 (attr_checksum): Likewise.
6077 (same_dw_val_p): Likewise.
6078 (size_of_die): Likewise.
6079 (value_format): Likewise.
6080 (output_die): Likewise.
6081 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6083 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6084 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6085 * config/darwin-protos.h (darwin_file_start): New.
6086 (darwin_asm_output_dwarf_offset): New.
6087 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6088 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6090 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6091 if not EH section; simplify.
6092 (darwin_file_start): New.
6093 (darwin_asm_output_dwarf_offset): New.
6094 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6096 (DEBUG_INFO_SECTION): Likewise.
6097 (DEBUG_ABBREV_SECTION): Likewise.
6098 (DEBUG_ARANGES_SECTION): Likewise.
6099 (DEBUG_MACINFO_SECTION): Likewise.
6100 (DEBUG_LINE_SECTION): Likewise.
6101 (DEBUG_LOC_SECTION): Likewise.
6102 (DEBUG_PUBNAMES_SECTION): Likewise.
6103 (DEBUG_STR_SECTION): Likewise.
6104 (DEBUG_RANGES_SECTION): Likewise.
6105 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6106 (ASM_OUTPUT_DWARF_OFFSET): New.
6108 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6110 * config.gcc (tm_defines): Always add to previous value rather
6113 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6115 * config/mips/predicates.md (splittable_const_int_operand): New,
6116 split from move_operand.
6117 (splittable_symbolic_operand): New.
6118 (move_operand): Add commentary. Use splittable_const_int_operand.
6119 Inline mips_atomic_symbolic_constant_p.
6120 * config/mips/mips.md: Add combine splitters for handling moves
6121 of splittable_const_int_operands and splittable_symbolic_operands.
6122 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6123 (mips_split_symbol): Declare.
6124 (mips_move_integer): Declare.
6125 * config/mips/mips.c (mips_split_p): Make global.
6126 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6127 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6128 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6129 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6130 (mips_offset_within_object_p): Handle block symbols.
6131 (mips_atomic_symbolic_constant_p): Delete.
6132 (mips_cannot_force_const_mem): Return false for constants that
6133 mips_legitimize_move can handle.
6134 (mips_use_blocks_for_constant_p): New function.
6135 (mips_split_symbol): Make global.
6136 (mips_move_integer): Likewise. Add a temporary register argument.
6137 (mips_legitimize_const_move): Use splittable_const_int_operand and
6138 splittable_symbolic_operand.
6139 (mips_use_anchors_for_symbol_p): New function.
6140 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6141 (mips_split_p): Declare.
6143 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6145 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6146 (mips*-*-linux*): Likewise.
6148 2006-03-16 Roger Sayle <roger@eyesopen.com>
6149 Daniel Speyer <dspeyer@wam.umd.edu>
6152 * tree-dump.c (dump_real): New function.
6153 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6154 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6155 (tree-dump.o): Add $(REAL_H) to the dependencies.
6157 2006-03-16 Roger Sayle <roger@eyesopen.com>
6160 * real.c (real_from_string): If the mantissa is zero, don't bother
6161 parsing the exponent as the result should always be zero.
6163 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6165 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6169 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6170 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6171 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6172 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6173 ia64_sched_finish_global): New static functions to implement
6174 hooks from gcc_target.sched.
6175 (spec_check_no, max_uid, pending_data_specs): New static variables.
6176 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6177 ia64_spec_check_src_p): New static functions.
6178 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6179 (TARGET_SCHED_ADJUST_COST): Removed.
6180 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6181 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6182 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6183 TARGET_SCHED_GEN_CHECK,
6184 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6185 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6186 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6187 Fixed to handle speculation checks.
6188 (rtx_needs_barrier): Fixed to handle speculative loads and
6190 (ia64_variable_issue): Added code to count speculative loads and their
6192 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6194 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6196 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6198 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6199 (ia64_reorg): Reset stops_p to NULL after it is freed.
6200 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6201 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6202 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6204 (data_speculative, control_speculative, check_load): New attributes.
6205 (mov<mode>_advanced, mov<mode>_speculative,
6206 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6207 zero_extend<mode>di2_speculative,
6208 zero_extend<mode>di2_speculative_advanced): New patterns for
6209 data and control speculative loads.
6210 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6212 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6213 New pattern for data and control speculation checks.
6214 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6215 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6216 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6217 Auxiliary definitions for the patterns.
6218 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6219 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6221 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6223 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6224 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6225 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6226 New resource constraints.
6227 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6229 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6230 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6231 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6232 msched-in-control-spec, msched-ldc, msched-control-ldc,
6233 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6234 msched-prefer-non-control-spec-insns,
6235 msched-count-spec-in-critical-path): New flags to tune speculative
6237 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6238 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6239 msched-in-control-spec, msched-ldc, msched-control-ldc,
6240 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6241 msched-prefer-non-control-spec-insns,
6242 msched-count-spec-in-critical-path): Document new flags.
6244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6246 * target.h (struct spec_info_def): New opaque declaration.
6247 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6248 speculate_insn, needs_block_p, gen_check,
6249 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6250 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6251 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6252 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6253 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6254 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6256 (TARGET_SCHED): Use new macros.
6257 * rtl.h (copy_DEPS_LIST_list): New prototype.
6258 * sched-int.h (struct sched_info): Change signature of new_ready field,
6259 adjust all initializations. New fields: add_remove_insn,
6260 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6261 region_head_or_leaf_p.
6262 (struct spec_info_def): New structure declaration.
6263 (spec_info_t): New typedef.
6264 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6265 recovery_block, orig_pat.
6266 (glat_start, glat_end): New variables declaraions.
6267 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6269 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6270 DETACH_LIFE_INFO, USE_GLAT.
6271 (enum SPEC_SCHED_FLAGS): New enumeration.
6272 (NOTE_NOTE_BB_P): New macro.
6273 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6274 attach_life_info, debug_spec_status, check_reg_live): New functions.
6275 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6276 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6278 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6279 * ddg.c (get_block_head_tail): Adjust all uses.
6280 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6281 (sms_sched_info): Initialize new fields.
6282 (contributes_to_priority): Removed.
6283 * haifa-sched.c (params.h): New include.
6284 (get_block_head_tail): Adjust all uses.
6285 (ISSUE_POINTS): New macro.
6286 (glat_start, glat_end): New global variables.
6287 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6288 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6289 old_last_basic_block, before_recovery, current_sched_info_var,
6290 rgn_n_insns, luid): New static variables.
6291 (insn_cost1): New function. Move logic from insn_cost to here.
6292 (find_insn_reg_weight1): New function. Move logic from
6293 find_insn_reg_weight to here.
6294 (reemit_notes, move_insn, max_issue): Change signature.
6295 (move_insn1): Removed.
6296 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6297 extend_bb): New static functions to support extension of scheduler's
6299 (generate_recovery_code, process_insn_depend_be_in_spec,
6300 begin_speculative_block, add_to_speculative_block,
6301 init_before_recovery, create_recovery_block, create_check_block_twin,
6302 fix_recovery_deps): New static functions to support
6303 generation of recovery code.
6304 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6305 restore_bb_notes, move_block_after_check, move_succs): New static
6306 functions to support ebb scheduling.
6307 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6308 functions to support handling of register live information.
6309 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6310 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6311 add_jump_dependencies): New static functions.
6312 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6313 consistancy checking.
6314 (debug_spec_status): New function to call from debugger.
6315 (priority): Added code to handle speculation checks.
6316 (rank_for_schedule): Added code to distinguish speculative instructions.
6317 (schedule_insn): Added code to handle speculation checks.
6318 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6319 Fixed to handle ebbs.
6320 (move_insn): Added code to handle ebb scheduling.
6321 (max_issue): Added code to use ISSUE_POINTS of instructions.
6322 (choose_ready): Added code to choose between speculative and
6323 non-speculative instructions.
6324 (schedule_block): Added code to handle ebb scheduling and scheduling of
6325 speculative instructions.
6326 (sched_init): Initialize new variables.
6327 (sched_finish): Free new variables. Print statistics.
6328 (try_ready): Added code to handle speculative instructions.
6329 * lists.c (copy_DEPS_LIST_list): New function.
6330 * sched-deps.c (extend_dependency_caches): New function. Move logic
6331 from create_dependency_caches to here.
6332 (get_dep_weak, ds_merge): Make global.
6333 * genattr.c (main): Code to output prototype for
6334 dfa_clear_single_insn_cache.
6335 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6336 (output_dfa_clean_insn_cache_func): Code to output
6337 dfa_clear_single_insn_cache function.
6338 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6340 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6342 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6343 New static variables.
6344 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6345 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6347 (ebb_sched_info): Initialize new fields.
6348 (get_block_head_tail): Adjust all uses.
6349 (compute_jump_reg_dependencies): Fixed to use glat_start.
6350 (schedule_ebb): Code to remove unreachable last block.
6351 (schedule_ebbs): Added code to update register live information.
6352 * sched-rgn.c (region_sched_info): Initialize new fields.
6353 (get_block_head_tail): Adjust all uses.
6354 (last_was_jump): Removed. Adjust users.
6355 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6356 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6357 Implement new hooks.
6358 (check_dead_notes1): New static function.
6359 (struct region): New fields: dont_calc_deps, has_real_ebb.
6360 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6361 (BB_TO_BLOCK): Fixed to handle EBBs.
6362 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6363 (ebb_head): New static variable.
6364 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6365 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6367 (compute_dom_prob_ps): New assertion.
6368 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6369 global_live_at_start.
6370 (init_ready_list): New assertions.
6371 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6372 (new_ready): Add support for BEGIN_CONTROL speculation.
6373 (schedule_insns): Fixed code that updates register live information
6375 (schedule_region): Fixed to handle EBBs.
6376 (init_regions): Use extend_regions and check_dead_notes1.
6377 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6378 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6379 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6380 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6381 TARGET_SCHED_GEN_CHECK,
6382 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6383 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6384 * doc/invoke.texi (max-sched-insn-conflict-delay,
6385 sched-spec-prob-cutoff): Document.
6387 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6389 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6390 inter_tick, queue_index.
6391 (struct sched_info): Change signature of init_ready_list field.
6392 Adjust all initializations.
6393 (RESOLVED_DEPS): New access macro.
6394 (ready_add): Remove prototype.
6395 (try_ready): Add prototype.
6396 * sched-rgn.c (init_ready_list): Use try_ready.
6397 (schedule_region): Initialize
6398 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6399 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6400 (init_ready_list): Use try_ready.
6401 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6402 * lists.c (remove_list_elem): Remove `static'.
6403 (remove_free_INSN_LIST_elem): New function.
6404 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6405 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6406 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6408 (readyp): New variable.
6409 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6410 change_queue_index, resolve_dep): New static functions.
6411 (try_ready): New function. Adjust callers in sched-rgn.c and
6412 sched-ebb.c to use it instead of ready_add.
6413 (clock_var): Move at the begining of file.
6414 (rank_for_schedule): Fix typo.
6415 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6416 (ready_lastpos): Enforce assertion.
6417 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6419 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6420 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6421 (queue_to_ready): Use free_INSN_LIST_list.
6422 (early_queue_to_ready): Fix typo.
6423 (schedule_block): Init readyp. Move init_ready_list call after the
6424 initialization of clock_var. Fix error in rejecting insn by
6425 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6426 that previously corrected INSN_TICKs. Add code for handling
6428 (set_priorities): Fix typo.
6429 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6430 Clarify comment and code that keeps current_sched_info->next_tail
6433 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6435 * sched-rgn.c (extend_rgns): New static function.
6436 (find_rgns): Use it.
6437 (gather_region_statistics, print_region_statistics): New static
6439 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6440 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6443 Andrey Belevantsev <abel@ispras.ru>
6445 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6446 * lists.c (unused_deps_list): New variable.
6447 (free_list): Add assertions to verify the proper distinguishing
6448 between INSN_LISTs and DEPS_LISTs.
6449 (find_list_elem, remove_list_elem, remove_list_node): New static
6451 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6452 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6453 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6454 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6456 (free_INSN_LIST_node): Likewise.
6457 * modulo-sched.c (current_sched_info): Initialize flags field.
6458 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6459 * rtl.def (DEPS_LIST): Define.
6460 * rtl.h: Declare new functions from lists.c.
6461 * sched-deps.c (spec_dependency_cache): New static variable.
6462 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6463 (add_dependence): Change return type to void. Move the logic to ...
6464 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6465 (delete_all_dependences): Add comment about forward_dependency_cache.
6466 Handle spec_dependency_cache. Handle DEPS_LISTs.
6467 (fixup_sched_groups): Clarify the change of priority of output
6468 and anti dependencies.
6469 (sched_analyze_2): Adjust add_dependence calls to create data
6470 speculative dependence.
6471 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6472 Adjust all callers. Handle DEPS_LISTS.
6473 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6474 presence of speculation.
6475 (init_dependency_caches, free_dependency_caches):
6476 Handle spec_dependency_cache.
6477 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6478 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6479 New static functions.
6480 (add_or_update_back_dep, add_or_update_back_forw_dep,
6481 add_back_forw_dep, delete_back_forw_dep): New functions.
6482 * sched-int.h (ds_t, dw_t): New typedefs.
6483 (struct sched_info): Add new field flags.
6484 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6485 Prototype new sched-deps.c functions.
6486 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6487 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6488 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6489 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6490 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6491 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6493 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6495 * sched-rgn.c (current_sched_info): Initialize flags field.
6496 (schedule_insns): Initialize current_sched_info before the sched_init
6498 * sched-ebb.c (current_sched_info): Initialize flags field.
6499 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6500 Call add_or_update_back_dep instead of add_dependence.
6501 Create control speculative dependencies.
6502 (schedule_insns): Initialize current_sched_info before the sched_init
6505 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6507 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6509 (sh_fallback_frame_state): Likewise.
6511 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6513 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6514 Do switch on default_use_cxa_atexit.
6515 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6516 * config/darwin-crt3.o: New.
6517 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6518 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6519 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6521 * config/rs6000/t-darwin: Move crt2.o building to here.
6522 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6523 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6526 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6528 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6529 from '! xxx' to '!xxx' for coding-style conformance.
6530 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6531 (EXTRA_CONSTRAINT): Likewise.
6532 * config/vax/vax.md (four unnamed insns): Likewise.
6534 2006-03-15 Paul Brook <paul@codesourcery.com>
6536 * config/arm/arm.c (minipool_pad): New.
6537 (add_minipool_forward_ref): Include pool alignment padding in address
6539 (push_minipool_fix): Set minipool_pad.
6540 (minipool_pad): Ditto.
6542 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6544 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6545 instead of GET_CODE() == MEM and REG_P() instead of
6547 (print_operand_address): Likewise.
6548 (vax_address_cost): Likewise.
6549 (vax_rtx_costs): Likewise.
6550 (vax_notice_update_cc): Likewise.
6551 (vax_output_int_add): Likewise.
6552 (INDEX_REGISTER_P): Likewise.
6553 (BASE_REGISTER_P): Likewise.
6554 (nonindexed_address_p): Likewise.
6555 (vax_mode_dependent_address_p): Likewise.
6556 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6557 (PRINT_OPERAND): Likewise.
6558 * config/vax/vax.md (ashlsi3): Likewise.
6559 (ashlsi3): Likewise.
6560 (some more unnamed insns): Likewise.
6562 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6564 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6565 iterator-style macro.
6566 (mark_control_dependent_edges_necessary): Update the use of
6567 EXECUTE_IF_CONTROL_DEPENDENT.
6569 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6571 * config/sh/predicates.md (cache_address_operand): Special.
6572 (ua_address_operand): Likewise.
6574 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6576 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6578 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6580 2006-03-15 Andreas Schwab <schwab@suse.de>
6582 * gensupport.c (identify_predicable_attribute): Don't free p_false
6583 when it is still in use.
6585 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6587 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6588 the default setting here.
6590 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6592 * tree-pass.h (pass_cfg): Remove.
6593 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6594 * passes.c (pass_cfg): Don't run it.
6596 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6598 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6599 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6601 (stack_regs_mentioned): Update the uses of
6602 stack_regs_mentioned_data. Don't access the array beyond its
6604 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6605 Don't include gt-reg-stack.h.
6607 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6608 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6610 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6613 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6616 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6618 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6620 2006-03-14 Richard Guenther <rguenther@suse.de>
6622 PR tree-optimization/26672
6623 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6626 2006-03-14 Richard Guenther <rguenther@suse.de>
6628 PR tree-optimization/26667
6629 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6630 node for the callees. Always allow inlining if it will shrink
6633 2006-03-14 Richard Guenther <rguenther@suse.de>
6636 * builtins.c (get_pointer_alignment): Prefer alignment
6637 information from decls over that from types.
6639 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6642 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6644 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6646 * config/rs6000/rs6000.opt (mdlmzb): New option.
6647 (msched-prolog, msched-epilog): Use Var not Mask.
6648 * doc/invoke.texi (-mdlmzb): Document.
6649 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6651 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6652 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6654 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6656 PR rtl-optimization/25739
6657 * bt-load.c (augment_live_range): Free tos pointer.
6659 * gensupport.c (identify_predicable_attribute): Free
6661 * gcov.c (create_file_names): Free name pointer.
6663 2006-03-13 Roger Sayle <roger@eyesopen.com>
6666 * stmt.c (emit_case_nodes): Handle the case where the index is a
6667 CONST_INT, where the comparison mode is specified by the index type.
6669 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6671 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6674 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6676 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6677 (*branch_fp_inverted): Likewise.
6679 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6682 * omp-low.c (expand_omp_for_generic): Mark istart0
6683 and iend0 as addressable.
6685 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6687 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6689 2006-03-13 Jeff Law <law@redhat.com>
6691 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6692 virtual operands are interesting.
6693 (vrp_visit_stmt): Corresponding changes.
6695 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6697 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6699 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6700 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6701 * config/bfin/crti.S: Use it instead of __PIC__.
6702 * config/bfin/crtn.S: Likewise.
6704 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6705 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6707 Lose 'G' modifier for call operand.
6708 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6709 recognize 'G' modifier.
6711 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6714 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6715 * stmt.c (expand_case): Likewise.
6717 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6719 PR rtl-optimization/26254
6720 * loop-invariant.c (seq_insns_valid_p): New function.
6721 (move_invariant_reg): Only emit new code if it is valid.
6723 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6725 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6727 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6728 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6729 (commit_one_edge_insertion): Do not look for loop notes.
6731 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6733 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6734 flag_test_coverage out of loop.
6736 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6738 * final.c (shorten_branches): Remove outdated comment, and turn
6739 the if branch that guards it to continue.
6741 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6743 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6744 * cfgloop.h (struct loop): Remove unused fields.
6746 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6748 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6749 (-dL, -fdump-rtl-loop2): Update the dump file names
6751 * doc/invoke.texi: Update dump file names.
6753 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6755 * predict.c (estimate_probability): Remove.
6756 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6757 * basic-block.h (estimate_probability): Remove prototype.
6758 * passes.c (finish_optimization_passes): Dump branch prediction or
6759 profiling heuristics to the .profile tree dump.
6760 (init_optimization_passes): Unqueue pass_branch_prob.
6762 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6764 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6766 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6767 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6769 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6771 * function.h (frame_offset_overflow): Declare.
6772 * function.c (frame_offset_overflow): New function.
6773 (assign_stack_local_1): Call it to detect that the offset overflows.
6774 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6776 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6778 * config/sh/sh.c: Include alloc-pool.h.
6779 (label_ref_list_pool): New alloc pool.
6780 (label_ref_list_t): New type for lists of labels.
6781 (struct pool_node): Make wend a label_ref_list_t.
6782 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6784 (dump_table): Likewise.
6785 (sh_reorg): Set up the alloc pool before using add_constant and
6786 dump_table, and destroy it when finishing.
6788 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6790 * config/mips/mips.c: Remove redundant comment.
6792 2006-03-10 Jason Merrill <jason@redhat.com>
6795 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6796 the target was declared 'register'.
6798 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6800 * genpreds.c (write_insn_constraint_len): Change definition of
6801 insn_constraint_len to return size_t to match the declaration.
6803 2006-03-10 DJ Delorie <dj@redhat.com>
6805 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6807 (m32c_expand_insv): Fix test for an AND mask.
6809 2006-03-10 Richard Guenther <rguenther@suse.de>
6812 * builtins.c (get_pointer_alignment): Handle component
6813 references for field alignment.
6815 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6817 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6818 when building with libgloss.
6819 (sh*elf): Implement --without-fp option.
6820 (sh64-superh-linux*): Don't multilib.
6822 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6824 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6826 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6828 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6829 Set it when one of the replacement functions returned true.
6830 Return TODO_cleanup_cfg if cfgchanged is true.
6831 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6833 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6835 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6836 instead of gen_lowpart.
6838 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6840 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6842 (mips_output_order_conditional_branch): Declare.
6843 * config/mips/mips.h (MIPS_BRANCH): New macro.
6844 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6845 for the comparison. Use gen_condjump.
6846 (mips_output_conditional_branch): Rework interface to take the
6847 asm templates for a direct branch and the inverse of a direct branch.
6848 (mips_output_order_conditional_branch): New function.
6849 (mips_builtin_branch_and_move): New function.
6850 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6851 branch condition. Use gen_single_cc as the condition for
6852 __builtin_mips_upper_* or __builtin_mips_lower_*.
6853 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6854 Use VOIDmode for the branch condition.
6855 * config/mips/predicates.md (order_operator): New predicate.
6856 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6857 (branch_fp): Rename to...
6858 (*branch_fp): ...this. Remove mode from comparison operator.
6859 Use new mips_output_conditional_branch interface.
6860 (branch_fp_inverted): Rename to...
6861 (*branch_fp_inverted): ...this and update as for *branch_fp.
6862 (*branch_zero<mode>): Rename to...
6863 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6864 Use mips_output_order_conditional_branch. Only accept ordered
6866 (*branch_zero<mode>_inverted): Rename to...
6867 (*branch_order<mode>_inverted): ...this and update as for
6868 *branch_order<mode>.
6869 (*branch_equality<mode>): Accept zero as the second operand to
6870 the equality operator. Use the new mips_output_conditional_branch
6872 (*branch_equality<mode>_inverted): Likewise.
6873 (condjump): New expander.
6874 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6876 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6877 (bc1any2t, bc1any2f): Likewise.
6878 (single_cc): New expander.
6879 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6881 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6883 * doc/md.texi: Update documentation of MIPS constraints.
6884 * config/mips/constraints.md: New file.
6885 * config/mips/mips.md: Include it.
6886 * config/mips/mips.c (mips_char_to_class): Delete.
6887 (override_options): Don't initialize mips_char_to_class.
6888 * config/mips/mips.h (mips_char_to_class): Delete.
6889 (REG_CLASS_FROM_LETTER): Delete.
6890 (CONST_OK_FOR_LETTER_P): Delete.
6891 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6892 (EXTRA_CONSTRAINT_Y): Delete.
6893 (EXTRA_CONSTRAINT_STR): Delete.
6894 (CONSTRAINT_LEN): Delete.
6895 (EXTRA_MEMORY_CONSTRAINT): Delete.
6897 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6899 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6900 original fn's eh regions.
6902 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6904 * fold-const.c (build_range_check): Make sure to use a valid type to
6905 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6908 (range_predecessor): New static function.
6909 (range_successor): Likewise.
6910 (merge_ranges): Use them to compute predecessors and successors of
6913 2006-03-09 Roger Sayle <roger@eyesopen.com>
6916 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6917 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6919 2006-03-08 DJ Delorie <dj@redhat.com>
6921 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6922 (addpsi3): Expand to include memory operands. Remove
6923 reload-specific splits.
6924 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6925 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6926 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6927 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6928 (shift1_qi, shift1_hi, insv): New.
6929 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6930 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6931 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6933 * config/m32c/m32c-protos.h: Update as needed.
6934 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6935 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6936 Fail for unrecognized R* constraints.
6937 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6938 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6939 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6941 (m32c_init_libfuncs): New.
6942 (m32c_legitimate_address_p): Add debug wrapper.
6943 (m32c_rtx_costs): New.
6944 (m32c_address_cost): New.
6945 (conversions): Add 'B' prefix.
6946 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6947 operands, or word regnames for QI operands. 'B' prints bit
6949 (m32c_expand_setmemhi): New.
6950 (m32c_expand_movmemhi): New.
6951 (m32c_expand_movstr): New.
6952 (m32c_expand_cmpstr): New.
6953 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6954 (m32c_expand_neg_mulpsi3): Handle non-ints.
6955 (m32c_cmp_flg_0): New.
6956 (m32c_expand_movcc): New.
6957 (m32c_expand_insv): New.
6958 (m32c_scc_pattern): New.
6959 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6960 a0/a1 out of SIregs.
6961 (STORE_FLAG_VALUE): New.
6962 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6965 * config/m32c/mov.md: Make constraints more liberal.
6966 (zero_extendqihi2): Optimize r0/r1 case.
6967 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6968 * config/m32c/predicates.md (m32c_any_operand): New.
6969 (m32c_nonimmediate_operand): New.
6970 (m32c_hl_operand): New.
6971 (m32c_r3_operand): New.
6974 (memsym_operand): New.
6975 (memimmed_operand): New.
6976 (a_qi_operand): New.
6977 (m32c_eqne_operator): New.
6978 (m32c_1bit8_operand): New.
6979 (m32c_1bit16_operand): New.
6980 (m32c_1mask8_operand): New.
6981 (m32c_1mask16_operand): New.
6982 * config/m32c/blkmov.md: New file.
6983 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6985 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6987 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6988 unsigned to fix signed/unsigned comparison issue in
6989 DWARF2_FRAME_REG_OUT.
6990 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6991 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6993 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6994 of ptr into the ENABLE_CHECKING section.
6996 2006-03-08 Jeff Law <law@redhat.com>
6998 * tree-vrp.c (infer_value_range): Only count pointer uses
6999 and dereferences if -fdelete-null-pointer-checks is enabled.
7001 * tree-vrp.c (find_assert_locations): Infer value ranges for
7002 single use pointers, but do not create ASSERT_EXPRs for them.
7003 When a non-null range is inferred for a pointer, backwards
7004 propagate that range to other equivalent pointers through the
7007 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7010 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7011 language hook targets.
7012 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7013 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7014 if language hook targets were missing.
7016 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7018 * tree-ssa-opfinalize.h: Removed.
7019 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7021 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7022 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7023 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7024 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7025 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7026 finalize_ssa_v_must_def_ops): New.
7028 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7030 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7033 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7035 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7037 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7038 addresses with offsets; reorganize.
7040 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7041 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7042 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7044 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7047 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7049 2006-03-08 Ben Elliston <bje@au.ibm.com>
7051 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7053 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7056 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7059 2006-03-07 Richard Guenther <rguenther@suse.de>
7061 PR tree-optimization/26587
7062 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7064 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7066 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7068 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7070 * hooks.c (hook_bool_mode_rtx_true): New function.
7071 * hooks.h (hook_bool_mode_rtx_true): Declare.
7072 * toplev.c (compile_file): Call output_shared_constant_pool.
7073 * varasm.c (shared_constant_pool): New variable.
7074 (assemble_start_function, assemble_end_function): Remove arguments
7075 from call to output_constant_pool.
7076 (create_constant_pool): New function, split out from...
7077 (init_varasm_status): ...here.
7078 (force_const_mem): Choose between the shared and per-function constant
7079 pools. Set current_function_uses_const_pool when reusing old entries
7080 as well as when creating new ones.
7081 (mark_constant): Ignore data argument.
7082 (mark_constants): Remove pool argument.
7083 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7084 to decide whether the function uses a constant pool.
7085 (output_constant_pool_contents): New function, split out from...
7086 (output_constant_pool): ...here.
7087 (output_shared_constant_pool): New function.
7088 (init_varasm_once): Initialize shared_constant_pool.
7089 * output.h (output_constant_pool): Delete.
7090 (output_shared_constant_pool): Declare.
7091 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7092 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7094 2006-03-06 Nick Clifton <nickc@redhat.com>
7096 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7097 flag_strength_reduce.
7099 2006-03-06 Ben Elliston <bje@au.ibm.com>
7101 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7102 x86_64-*-linux* configurations.
7104 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7105 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7107 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7109 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7111 * basic-block.h: Remove the extern for
7112 rediscover_loops_after_threading.
7114 * cfgloop.c (cancel_loop): Make it static.
7115 * cfgloop.h: Remove the prototype for cancel_loop.
7117 * flow.c (recompute_reg_usage): Make it static.
7118 * rtl.h: Remove the prototype for recompute_reg_usage.
7120 * function.c (use_return_register): Make it static.
7121 * function.h: Remove the prototype.
7123 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7125 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7127 * recog.h: Remove the prototype for
7128 validate_change_maybe_volatile.
7130 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7132 * rtlanal.c (replace_reg): Remove.
7133 * rtl.h: Remove the prototype for replace_reg.
7135 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7137 * regclass.c (reg_scan_update): Remove.
7138 (reg_scan_mark_refs): Remove the last argument.
7139 * rtl.h: Remove the prototype for reg_scan_update.
7141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7143 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7144 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7145 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7146 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7147 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7148 loop-invariant.c, omp-low.c, opts.c, passes.c,
7149 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7150 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7151 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7152 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7153 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7154 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7156 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7158 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7159 * dwarf2out.h: Remove the prototype for
7160 dwarf2out_add_library_unit_info.
7162 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7164 * tree.c (add_var_to_bind_expr): Remove.
7165 * tree.h: Remove the prototype for add_var_to_bind_expr.
7167 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7169 * regclass.c (n_non_fixed_regs): Remove.
7170 (init_reg_sets_1, globalize_reg): Remove all uses of
7172 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7174 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7176 * rtlanal.c (insns_safe_to_move_p): Remove.
7177 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7179 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7181 * expmed.c (expand_mult_add): Remove.
7182 * expr.h: Remove the prototype for expand_mult_add.
7184 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7186 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7187 and REG_SAVED_VAL_EXP constants.
7188 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7189 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7190 Handle regs stored by value.
7191 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7192 (execute_cfa_program): Handle DW_CFA_val_offset,
7193 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7194 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7195 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7196 (uw_install_context_1): Handle target regs stored by value.
7198 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7200 * tree-sra.c (tree_sra): Return todoflags;
7201 (generate_one_element): Set TODO_update_smt_usage if needed.
7202 (pass_sra): Remove TODO_update_smt_usage.
7203 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7205 (tree_ssa_forward_propagate_single_use_vars): Return
7206 TODO_update_smt_usage if we need to update SMT usage.
7207 (pass_forwprop): Remove TODO_update_smt_usage.
7209 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7211 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7212 (correct_use_link): Remove reference to get_stmt_operands.
7213 (update_stmt_operands): Likewise.
7214 (get_modify_expr_operands): New function factored out of
7215 parse_ssa_operands and get_expr_operands.
7216 Try to create V_MUST_DEFs for LHS by default.
7217 (get_expr_operands) <case MODIFY_EXPR>: Call
7218 get_modify_expr_operands.
7219 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7220 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7221 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7222 get_modify_expr_operands.
7224 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7226 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7227 * tree-flow.h: Remove the prototype for
7228 referenced_var_lookup_if_exists.
7230 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7232 PR rtl-optimization/26345
7234 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7236 2006-03-03 Roger Sayle <roger@eyesopen.com>
7238 PR tree-optimization/26524
7239 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7240 fold_convert to create a constant of the appropriate type.
7242 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7244 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7245 SYMBOL_REF_IN_BLOCK_P.
7246 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7247 of SYMBOL_FLAG_IN_BLOCK.
7248 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7249 instead of SYMBOL_REF_IN_BLOCK_P.
7250 * explow.c (use_anchored_address): Likewise.
7251 * rtl.c (rtx_size): Likewise.
7252 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7253 instead of SYMBOL_FLAG_IN_BLOCK.
7254 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7255 SYMBOL_REF_IN_BLOCK_P.
7256 (assemble_variable): Likewise.
7257 (output_constant_def_contents): Likewise.
7258 (output_constant_pool): Likewise.
7259 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7260 instead of SYMBOL_FLAG_IN_BLOCK.
7261 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7262 SYMBOL_REF_IN_BLOCK_P.
7263 (SYMBOL_REF_BLOCK): Likewise.
7264 (SYMBOL_REF_OFFSET): Likewise.
7265 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7266 SYMBOL_REF_IN_BLOCK_P.
7267 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7268 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7269 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7270 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7272 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7274 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7276 2006-03-02 Roger Sayle <roger@eyesopen.com>
7278 * simplify-rtx.c (simplify_unary_operation): When simplifying
7279 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7280 that we perform the right shift in the appropriate mode, and
7281 then extend or truncate the result to requested mode.
7283 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7285 * gengtype.c (main): Handle double_int type.
7286 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7287 * double-int.c: New file.
7288 * double-int.h: New file.
7289 * system.h: Include doubleint.h.
7290 * Makefile.in (SYSTEM_H): Include double-int.h.
7291 (double-int.o): Add.
7293 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7296 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7299 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7301 * tree-vrp.c (remove_range_assertions): Do not update statements
7304 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7306 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7308 * gcse.c (rest_of_handle_gcse): Ditto.
7309 * except.c (gate_handle_eh): Ditto.
7310 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7311 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7313 2006-03-02 Eric Christopher <echristo@apple.com>
7315 * config/i386/i386.c (machopic_output_stub): Add indirection to
7318 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7322 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7324 Sun Niagara specific optimizations.
7325 * config.gcc: Recognize niagara as target.
7326 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7327 (TARGET_CPU_niagara): Define.
7328 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7329 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7330 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7331 (ASM_CPU_SPEC): Likewise.
7332 (PROCESSOR_NIAGARA): New enum entry.
7333 (REGISTER_MOVE_COST): Handle Niagara.
7334 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7335 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7336 (sparc_override_options): Recognize "niagara", set appropriate
7337 default MASK_* values for it, and align functions to 32-bytes
7338 by default just like ULTRASPARC/ULTRASPARC3.
7339 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7340 (sparc64_initialize_trampoline): Likewise.
7341 (sparc_use_sched_lookahead): Use zero for niagara.
7342 (sparc_issue_rate): Use one for niagara.
7343 * config/sparc/niagara.md: New file.
7344 * config/sparc/sparc.md: Include it.
7345 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7346 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7347 when default cpu is niagara.
7348 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7349 (ASM_CPU_SPEC): Likewise.
7350 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7351 when default cpu is niagara.
7352 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7353 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7354 just like v9/ultrasparc/ultrasparc3.
7355 * doc/invoke.texi: Add documentation for "niagara" and improve
7356 existing documentation for ultrasparc variants.
7358 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7360 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7362 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7364 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7365 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7366 and say that only one is needed.
7367 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7368 * target.h (have_switchable_bss_sections): New hook.
7369 * explow.c (use_anchored_address): Check that the symbol is in a block.
7370 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7371 (bss_noswitch_section): New variables.
7372 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7373 (get_noswitch_section): New function.
7374 (get_block_for_section): Allow SECT to be null.
7375 (unlikely_text_section_p): Use SECTION_STYLE.
7376 (bss_initializer_p): New function.
7377 (get_variable_section): Move earlier in file. Take a new argument,
7378 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7379 Return one of the new *_sections in such cases.
7380 (get_block_for_decl): New function, extracting some logic from
7381 use_blocks_for_decl_p.
7382 (change_symbol_section): Remove in favor of...
7383 (change_symbol_block): ...this new function.
7384 (use_blocks_for_decl_p): Remove checks now performed by
7386 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7387 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7388 (emit_local, emit_bss, emit_common): ...these new functions.
7389 Return true if the alignment was honored.
7390 (emit_tls_common): New function.
7391 (asm_emit_uninitialised): Delete.
7392 (assemble_variable_noswitch): New function, split out from...
7393 (assemble_variable): ...here. Don't make decisions about common
7394 variables here. Globalize all public decls that go into non-common
7395 sections. Check whether SYMBOL_REF_BLOCK is null.
7396 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7397 (output_constant_pool): Likewise.
7398 (init_varasm_once): Initialize the new section variables.
7399 (have_global_bss_p): New function.
7400 (categorize_decl_for_section): Use bss_initializer_p.
7401 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7402 (place_block_symbol): Assert that the symbol must be in a block.
7403 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7404 (TARGET_INITIALIZER): Include it.
7405 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7406 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7407 (SECTION_MACH_DEP): Bump by two.
7408 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7409 (unnamed_section): Mention SECTION_UNNAMED in comment.
7410 (named_section): Likewise SECTION_NAMED.
7411 (noswitch_section_callback): New type.
7412 (noswitch_section): New structure.
7413 (section): Add a noswitch_section alternative.
7414 (SECTION_STYLE): New macro.
7415 (tls_comm_section, comm_section, lcomm_section): Declare.
7416 (bss_noswitch_section, have_global_bss_p): Declare.
7417 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7418 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7420 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7421 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7424 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7426 * tree-vrp.c (execute_vrp): Return value.
7427 * regrename.c (rest_of_handle_regrename): Ditto.
7428 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7429 * tree-complex.c (tree_lower_complex): Ditto.
7430 (tree_lower_complex_O0): Ditto.
7431 * tracer.c (rest_of_handle_tracer): Ditto.
7432 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7433 * postreload.c (rest_of_handle_postreload): Ditto.
7434 * tree-tailcall.c (execute_tail_recursion): Ditto.
7435 (execute_tail_calls): Ditto.
7436 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7437 * tree.h (init_function_for_compilation): Ditto.
7438 * ipa-cp.c (ipcp_driver): Ditto.
7439 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7440 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7441 * final.c (compute_alignments): Ditto.
7442 (rest_of_handle_final): Ditto.
7443 (rest_of_handle_shorten_branches): Ditto.
7444 (rest_of_clean_state): Ditto.
7445 * omp-low.c (execute_expand_omp): Ditto.
7446 (execute_lower_omp): Ditto.
7447 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7448 * ipa-reference.c (static_execute): Ditto.
7449 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7450 * reorg.c (rest_of_handle_delay_slots): Ditto.
7451 (rest_of_handle_machine_reorg): Ditto.
7452 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7453 * flow.c (recompute_reg_usage): Ditto.
7454 (rest_of_handle_remove_death_notes): Ditto.
7455 (rest_of_handle_life): Ditto.
7456 (rest_of_handle_flow2): Ditto.
7457 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7458 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7459 (do_ssa_store_ccp): Ditto.
7460 (execute_fold_all_builtins): Ditto.
7461 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7462 * modulo-sched.c (rest_of_handle_sms): Ditto.
7463 * ipa-pure-const.c (static_execute): Ditto.
7464 * cse.c (rest_of_handle_cse): Ditto.
7465 (rest_of_handle_cse2): Ditto.
7466 * web.c (rest_of_handle_web): Ditto.
7467 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7468 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7469 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7470 * tree-nrv.c (tree_nrv): Ditto.
7471 (execute_return_slot_opt): Ditto.
7472 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7473 (create_structure_vars): Ditto.
7474 * loop-init.c (rtl_loop_init): Ditto.
7475 (rtl_loop_done): Ditto.
7476 (rtl_move_loop_invariants): Ditto.
7477 (rtl_unswitch): Ditto.
7478 (rtl_unroll_and_peel_loops): Ditto.
7479 (rtl_doloop): Ditto.
7480 * gimple-low.c (lower_function_body): Ditto.
7481 (mark_used_blocks): Ditto.
7482 * tree-ssa-sink.c (execute_sink_code): Ditto.
7483 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7484 (cgraph_early_inlining): Ditto.
7485 * global.c (rest_of_handle_global_alloc): Ditto.
7486 * jump.c (cleanup_barriers): Ditto.
7487 (purge_line_number_notes): Ditto.
7488 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7489 (rest_of_handle_if_after_reload): Ditto.
7490 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7491 (tree_ssa_loop_im): Ditto.
7492 (tree_ssa_loop_unswitch): Ditto.
7493 (tree_vectorize): Ditto.
7494 (tree_linear_transform): Ditto.
7495 (tree_ssa_loop_ivcanon): Ditto.
7496 (tree_ssa_empty_loop): Ditto.
7497 (tree_ssa_loop_bounds): Ditto.
7498 (tree_complete_unroll): Ditto.
7499 (tree_ssa_loop_prefetch): Ditto.
7500 (tree_ssa_loop_ivopts): Ditto.
7501 (tree_ssa_loop_done): Ditto.
7502 * predict.c (tree_estimate_probability): Ditto.
7503 * recog.c (split_all_insns_noflow): Ditto.
7504 (rest_of_handle_peephole2): Ditto.
7505 (rest_of_handle_split_all_insns): Ditto.
7506 * tree-eh.c (lower_eh_constructs): Ditto.
7507 * regmove.c (rest_of_handle_regmove): Ditto.
7508 (rest_of_handle_stack_adjustments): Ditto.
7509 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7510 * function.c (instantiate_virtual_regs): Ditto.
7511 (init_function_for_compilation): Ditto.
7512 (rest_of_handle_check_leaf_regs): Ditto.
7513 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7514 (rest_of_handle_gcse): Ditto.
7515 * ipa-type-escape.c (type_escape_execute): Ditto.
7516 * alias.c (rest_of_handle_cfg): Ditto.
7517 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7518 * profile.c (rest_of_handle_branch_prob): Ditto.
7519 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7520 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7521 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7522 * tree-dfa.c (find_referenced_vars): Ditto.
7523 * except.c (set_nothrow_function_flags): Ditto.
7524 (convert_to_eh_region_ranges): Ditto.
7525 (rest_of_handle_eh): Ditto.
7526 * emit-rtl.c (unshare_all_rtl): Ditto.
7527 (remove_unnecessary_notes): Ditto.
7528 * except.h (set_nothrow_function_flags): Ditto.
7529 (convert_to_eh_region_ranges): Ditto.
7530 * cfgexpand.c (tree_expand_cfg): Ditto.
7531 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7532 * tree-ssa-pre.c (do_pre): Ditto.
7533 (execute_fre): Ditto.
7534 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7535 (rest_of_handle_jump2): Ditto.
7536 * tree-sra.c (tree_sra): Ditto.
7537 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7538 (execute_mudflap_function_decls): Ditto.
7539 * tree-ssa-copy.c (do_copy_prop): Ditto.
7540 (do_store_copy_prop): Ditto.
7541 * ipa-prop.h (ipcp_driver): Ditto.
7542 * cfglayout.c (insn_locators_initialize): Ditto.
7543 * tree-ssa-forwprop.c
7544 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7545 * cfglayout.h (insn_locators_initialize): Ditto.
7546 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7547 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7548 (execute_late_warn_uninitialized): Ditto.
7549 * rtl.h (cleanup_barriers): Ditto.
7550 (split_all_insns_noflow): Ditto.
7551 (purge_line_number_notes): Ditto.
7552 (unshare_all_rtl): Ditto.
7553 (remove_unnecessary_notes): Ditto.
7554 (recompute_reg_usage): Ditto.
7555 (variable_tracking_main): Ditto.
7556 * integrate.c (emit_initial_value_sets): Ditto.
7557 * integrate.h (emit_initial_value_sets): Ditto.
7558 * tree-optimize.c (execute_free_datastructures): Ditto
7559 (execute_free_cfg_annotations): Ditto.
7560 (execute_fixup_cfg): Ditto.
7561 (execute_cleanup_cfg_pre_ipa): Ditto.
7562 (execute_cleanup_cfg_post_optimizing): Ditto.
7563 (execute_init_datastructures): Ditto.
7564 * tree-object-size.c (compute_object_sizes): Ditto.
7565 * combine.c (rest_of_handle_combine): Ditto.
7566 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7567 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7568 (rest_of_handle_reorder_blocks): Ditto.
7569 (rest_of_handle_partition_blocks): Ditto.
7570 * var-tracking.c (variable_tracking_main): Ditto.
7571 * tree-profile.c (tree_profiling): Ditto.
7572 * tree-vect-generic.c (expand_vector_operations): Ditto.
7573 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7574 * sched-rgn.c (rest_of_handle_sched): Ditto.
7575 (rest_of_handle_sched2): Ditto.
7576 * basic-block.h (free_bb_insn): Ditto.
7577 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7578 * tree-cfg.c (execute_build_cfg): Ditto.
7579 (remove_useless_stmts): Ditto.
7580 (split_critical_edges): Ditto.
7581 (execute_warn_function_return): Ditto.
7582 (execute_warn_function_noreturn): Ditto.
7583 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7584 * cfgrtl.c (free_bb_for_insn): Ditto.
7585 * passes.c (execute_one_pass): Run additional
7586 todos returned by execute function.
7587 * tree-pass.h (struct tree_opt_pass): Make execute
7590 2006-03-02 Richard Guenther <rguenther@suse.de>
7592 * tree-ssa-alias.c (find_used_portions): Consider taking
7593 the address as making the variable not write-only.
7595 2006-03-02 Nick Clifton <nickc@redhat.com>
7597 * config.gcc (default_use_cxa_atexit): Extend the description of
7598 this configure variable. Set its default value to "yes" for
7599 Linux, NetBSD and ELF targets on the assumption that they will
7600 use C libraries with the __cxa_atexit function.
7602 2006-03-02 Ben Elliston <bje@au.ibm.com>
7604 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7605 parameter as unused to suppress a build warning.
7607 2006-03-02 Ben Elliston <bje@au.ibm.com>
7609 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7612 2006-03-01 Roger Sayle <roger@eyesopen.com>
7615 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7616 declared name, the weak reference name, and the typeof name.
7617 (__gthrw): Avoid expanding the declared name suffix.
7618 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7620 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7622 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7624 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7625 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7626 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7627 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7628 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7629 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7630 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7631 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7632 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7633 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7634 (DW_END_default, DW_END_big, DW_END_little): New.
7635 (DW_END_lo_user, DW_END_hi_user): Define.
7636 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7637 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7638 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7641 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7643 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7645 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7647 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7649 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7651 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7652 to 'symbol_mem_tag'.
7654 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7657 2006-03-01 Roger Sayle <roger@eyesopen.com>
7659 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7661 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7664 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7665 MACHO_DYNAMIC_NO_PIC_P.
7666 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7668 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7671 * config/darwin-protos.h (darwin_asm_output_anchor):
7673 * config/darwin-sections.def (cstring_section):
7674 Add SECTION_MERGE to the flags.
7675 (literal4_section): Likewise.
7676 (literal8_section): Likewise.
7677 (objc_selector_refs_section): Likewise.
7678 (objc_cls_refs_section): Likewise.
7679 * config/darwin.c (darwin_asm_output_anchor): New
7681 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7683 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7685 Fix PR tree-optimization/26443
7686 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7687 to todo and PROP_tmt_usage to properties_destroyed.
7688 * tree-ssa-ccp.c (pass_ccp): Ditto.
7689 (pass_store_ccp): Ditto.
7690 * tree-ssa-dom.c (pass_dominator): Ditto.
7692 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7694 * tree-ssa-operands.c: Cleanup whitespace.
7695 (get_asm_expr_operands): Move before first invocation.
7696 (get_indirect_ref_operands): Likewise.
7697 (get_tmr_operands): Likewise.
7698 (get_call_expr_operands): Likewise.
7699 (append_def): Likewise.
7700 (append_use): Likewise.
7701 (append_v_may_def): Likewise.
7702 (append_v_must_def): Likewise.
7703 (add_call_clobber_ops): Likewise.
7704 (add_call_read_ops): Likewise.
7705 (add_stmt_operand): Likewise.
7706 (add_virtual_operand): Likewise.
7707 (build_ssa_operands): Likewise.
7709 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7714 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7715 with a call expr to ...
7716 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7718 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7720 * tree-vrp.c (extract_range_from_assert): Remove special
7721 handling for types with super-types.
7723 2006-03-01 Ben Elliston <bje@au.ibm.com>
7725 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7726 and powerpc64-*-linux* configurations.
7727 * config/t-dfprules: New file.
7729 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7730 Compile dfp-bit.c from the source directory using -DWIDTH and
7731 $DFP_CFLAGS to control the compilation of that file, rather than
7732 generating width-specific versions in the build directory.
7733 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7734 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7736 2006-02-28 Zack Weinberg <zackw@panix.com>
7738 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7741 2006-02-28 Eric Christopher <echristo@apple.com>
7743 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7744 Set up IN_LIBGCC definition of TARGET_64BIT.
7745 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7747 2006-02-28 Roger Sayle <roger@eyesopen.com>
7750 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7751 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7752 cases via the construction of "expr != 0".
7754 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7756 * alias.c (alias_invariant, alias_invariant_size): Remove.
7757 (record_base_value): Remove.
7758 (memrefs_conflict_p): Don't look at alias_invariant.
7759 (end_alias_analysis): Don't free it.
7760 * alias.h (record_base_value): Remove prototype.
7762 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7763 Adam Nemet <anemet@caviumnetworks.com>
7765 * rtl.h (truncated_to_mode): Declare it.
7766 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7767 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7768 (RTL_HOOKS_INITIALIZER): Include it.
7769 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7770 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7771 reg_truncated_to_mode.
7772 * rtlanal.c (truncated_to_mode): Define it.
7773 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7775 2006-02-28 Jeff Law <law@redhat.com>
7777 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7778 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7779 the range allowed by TYPE_PRECISION.
7781 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7783 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7785 PR tree-optimization/26419
7786 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7789 2006-02-27 Zack Weinberg <zackw@panix.com>
7791 * doc/md.texi: Fix typo in previous change.
7793 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7797 2006-02-27 Zack Weinberg <zackw@panix.com>
7799 * rtl.def (define_constraint, define_register_constraint)
7800 (define_memory_constraint, define_address_constraint): New MD forms.
7801 * gensupport.c (process_rtx): Put define_constraint etc on the
7803 * genpreds.c (process_define_predicate): Adjust comment. Validate
7804 the name, and call validate_exp to validate the expression.
7805 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7806 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7807 all callers changed.
7808 (validate_exp, needs_variable, struct constraint_data)
7809 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7810 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7811 (const_dbl_constraints, constraint_max_namelen)
7812 (have_register_constraints, have_memory_constraints)
7813 (have_address_constraints, have_address_constraints)
7814 (have_extra_constraints, have_const_int_constraints)
7815 (have_const_dbl_constraints, mangle, add_constraint)
7816 (process_define_constraint, process_define_register_constraint)
7817 (write_enum_constraint_num, write_lookup_constraint)
7818 (write_insn_constraint_len, write_regclass_for_constraint)
7819 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7820 (write_insn_extra_memory_constraint)
7821 (write_insn_extra_address_constraint)
7822 (write_satisfies_constraint_fns): New.
7823 (write_tm_preds_h): If we have new-style constraint definitions,
7824 prototype the functions generated from them, and define the
7825 old constraint interface (still used by generic code) in terms of
7827 (write_insn_preds_c): If we have new-style constraint definitions,
7828 generate all relevant functions from those definitions.
7829 (main): Handle define_constraint etc.
7830 * genoutput.c (struct constraint_data, indep_constraints)
7831 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7832 (mdep_constraint_len): New data structures and functions, defined
7833 #ifdef USE_MD_CONSTRAINTS.
7834 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7835 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7836 use new logic to validate operand constraints against constraint
7838 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7840 * defaults.h: If none of the old-style constraint macros are
7841 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7842 old-style macros; and poison REG_CLASS_FROM_LETTER,
7843 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7845 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7846 * doc/md.texi: Document new constraint-definition mechanism and the
7847 C interface it provides. Remove references to old mechanism
7848 elsewhere in the document.
7849 (Machine Constraints): Use pathnames relative to gcc directory,
7850 i.e. config/ARCH/FILE. Change i386 section to refer to
7851 config/i386/predicates.md; update that section to match docstrings.
7852 * doc/tm.texi: Move all documentation of the old constraint-
7853 definition macros to their own section, clearly mark as obsolete.
7855 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7856 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7858 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7859 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7860 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7862 (splits and peepholes): Use satisfies_constraint_*.
7863 * config/i386/i386.c (memory_address_length)
7864 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7866 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7868 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7869 scalar operation to be put back into the loop.
7871 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7874 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7875 (extract_cie_info): Handle S flag in augmentation string.
7876 (execute_cfa_program): If context->signal_frame, execute also
7877 fs->pc == context->ra instructions.
7878 (uw_frame_state_for): If context->signal_frame, don't subtract one
7879 from context->ra to find FDE.
7880 (uw_update_context_1): Set context->signal_frame to
7882 (_Unwind_GetIPInfo): New function.
7883 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7884 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7886 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7887 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7888 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7889 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7890 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7891 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7892 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7893 x86_64_fallback_frame_state): Set fs->signal_frame.
7894 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7895 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7896 (frob_update_context): Likewise. Workaround missing S flag in
7897 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7898 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7899 Remove the psw_addr + 1 hack.
7901 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7903 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7904 with aggregates here.
7905 (find_func_aliases): Remove code for &<aggregate> from here.
7907 2006-02-26 Roger Sayle <roger@eyesopen.com>
7909 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7910 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7911 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7914 2006-02-26 Roger Sayle <roger@eyesopen.com>
7917 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7919 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7921 * opts.c (decode_options): Do not handle flag_strength_reduce.
7922 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7923 and OPT_fstrength_reduce.
7924 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7925 flag_prefetch_loop_arrays for being nonzero.
7926 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7928 (fprefetch-loop-arrays-rtl): Removed.
7929 (flag_prefetch_loop_arrays): Do not specify the value.
7931 * doc/passes.texi: Update documentation of loop optimizer
7933 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7934 -frerun-loop-opt): Remove.
7936 2006-02-26 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/26421
7939 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7940 in function calls that are ADDR_EXPRs as using the whole structure.
7942 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7944 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7945 * tree-pass.h (pass_loop_optimize): Remove.
7946 * passes.c (pass_loop_optimize): Never run it.
7947 * toplev.c (backend_init): Don't call init_loop.
7948 * opts.c (flag_loop_optimize_set): Remove.
7949 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7950 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7951 the old RTL loop optimizer when profiling enabled.
7952 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7953 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7954 pre-headers for the sake of the old RTL loop optimizer.
7955 * Makefile.in: Remove all references to loop.o.
7957 * doc/invoke.texi: Remove all references to -floop-optimize
7958 and -frerun-loop-opt.
7960 2006-02-26 Zack Weinberg <zackw@panix.com>
7962 * doc/md.texi (Machine Constraints): Refer to all files with paths
7963 relative to gcc directory (i.e. config/CPU/file). Add missing
7964 @table @code ... @end table to M32C subsection.
7966 2006-02-26 Roger Sayle <roger@eyesopen.com>
7968 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7970 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7972 2006-02-26 Roger Sayle <roger@eyesopen.com>
7973 James A. Morrison <phython@gcc.gnu.org>
7976 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7977 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7978 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7979 signedness of the shift operation.
7981 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7983 PR tree-optimization/26359
7984 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7986 2006-02-25 Roger Sayle <roger@eyesopen.com>
7988 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7989 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7990 as X == 0, and some symmetry related transformations.
7991 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7993 2006-02-25 Roger Sayle <roger@eyesopen.com>
7996 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7997 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7998 symmetry related transformations. Fold (X^C1) == C2 as
8001 2006-02-25 Juergen Weigert <jw@suse.de>
8002 Richard Guenther <rguenther@suse.de>
8004 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8006 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8008 * combine.c (gen_lowpart_or_truncate): Call
8009 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8011 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8013 * doc/invoke.texi: Move -fopenmp description to "Options for
8015 Remove reference to -lgomp.
8017 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8019 * doc/install.texi: Require GNU tar version 1.14.
8021 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8023 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8024 * doc/invoke.texi (C++ Dialect Options): Document
8025 -fno-use-cxa-get-exception-ptr.
8026 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8027 * configure: Regenerate.
8028 * c.opt (fuse-cxa-get-exception-ptr): New.
8029 * c-opts.c (c_common_handle_option): Handle
8030 OPT_fuse_cxa_get_exception_ptr.
8031 * c-common.c (flag_use_cxa_atexit): Update documentation.
8032 (flag_use_cxa_get_exception_ptr): New.
8033 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8034 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8036 (C_COMMON_OVERRIDE_OPTIONS): New.
8038 2006-02-24 Roger Sayle <roger@eyesopen.com>
8041 * combine.c (try_combine): Explicitly check whether GET_CODE is
8042 a SET or a CLOBBER, instead on checking that it isn't a USE.
8044 2006-02-24 Roger Sayle <roger@eyesopen.com>
8046 * fold-const.c (fold_comparison): New subroutine of fold_binary
8047 containing transformations common to both the equality and
8048 ordering relational operators, factored out of fold_binary.
8049 (fold_binary): Separate out the equality operators (EQ_EXPR
8050 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8051 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8052 transformations common to both.
8053 (fold_div_compare): Fix latent bugs in the previously unreachable
8054 LT_EXPR and GE_EXPR cases.
8056 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8058 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8059 decl libname for clog to __clog on AIX.
8061 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8063 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8066 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8067 output traceback table for thunks. Localise rs6000_stack_info call.
8069 2006-02-23 Roger Sayle <roger@eyesopen.com>
8070 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8072 * gthr-posix.h (__gthrw): Fix typo in comment.
8074 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8076 * doc/cpp.texi (Character sets): Document that we do support
8077 input files to be in any character set.
8079 2006-02-23 Jeff Law <law@redhat.com>
8081 * tree.h (PHI_ARG_NONZERO): Remove.
8082 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8083 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8084 node to the new node.
8086 PR tree-optimization/26425
8087 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8088 min/max, then assume its varying.
8090 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8092 PR rtl-optimization/26316
8093 * rtlanal.c (enum may_trap_p_flags): New.
8094 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8095 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8096 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8097 (may_trap_after_code_motion_p): New function.
8098 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8099 (find_invariant_insn): Use may_trap_after_code_motion_p.
8100 * rtl.h (may_trap_after_code_motion_p): Declare.
8102 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8104 * emit-rtl.c (immed_double_const): Cleanup.
8106 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8108 Fix PR tree-optimization/26376
8109 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8112 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8115 * gimplify.c (omp_add_variable): Guard variable size decl test with
8116 DECL_SIZE (decl) check.
8118 2006-02-23 Richard Guenther <rguenther@suse.de>
8121 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8122 like aggregate types.
8124 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8126 * configure.ac: Add --with{,out}-long-double-128 configure option.
8127 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8128 * configure: Rebuilt.
8129 * config.in: Rebuilt.
8130 * doc/install.texi (Options specification): Document
8131 --with-long-double-128.
8133 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8134 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8135 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8136 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8138 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8140 * config/s390/s390.c (override_options): Handle
8141 TARGET_DEFAULT_LONG_DOUBLE_128.
8143 * config/alpha/alpha.c (override_options): Handle
8144 TARGET_DEFAULT_LONG_DOUBLE_128.
8146 * config/sparc/sparc.c (sparc_override_options): Handle
8147 TARGET_DEFAULT_LONG_DOUBLE_128.
8149 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8151 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8152 (real-install-headers-tar, real-install-headers-cpio)
8153 (real-install-headers-cp): New targets.
8155 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8157 * tree.h (variable_section): Delete.
8158 * varasm.c (variable_section): Delete.
8160 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8162 * install.texi: Add notes on install.texi2html.
8163 (Building in parallel): Do not use footnotes.
8165 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8168 * doc/install.texi (Configuration): Document --disable-libgomp.
8170 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8172 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8174 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8176 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8177 (vec_extractv2df_0_sse): New.
8179 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8181 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8182 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8183 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8184 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8185 to the result of the expression.
8186 (def_cfa_1): Adjust.
8187 (frame_pointer_cfa_offset): Rename to...
8188 (frame_pointer_fb_offset): ... this. Adjust all uses.
8189 (convert_cfa_to_loc_list): Rename to...
8190 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8191 Pass it on to build_cfa_loc.
8192 (compute_frame_pointer_to_cfa_displacement): Rename to...
8193 (compute_frame_pointer_to_fb_displacement): ... this. New
8194 offset parameter. Use it in computation.
8195 (gen_subprogram_die): Compute cfa_fb_offset with the new
8196 macro, and use it to compute the fb loc list and the
8199 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8201 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8202 replaced with register_operand.
8203 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8204 non-DREG is expensive.
8205 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8206 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8209 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8211 * doc/install.texi2html: Use set -e.
8213 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8215 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8216 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8217 * doc/invoke.texi (-fshared-data): Delete.
8218 * common.opt (fshared-data): Delete.
8219 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8220 (assemble_static_space): Remove #if 0 code.
8221 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8222 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8223 * config/cris/cris.h: Remove FIXME.
8225 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8227 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8230 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8233 * combine.c (simplify_shift_const_1): Disable nested shifts
8234 optimization for vector shifts.
8236 2006-02-20 Roger Sayle <roger@eyesopen.com>
8238 PR tree-optimization/26361
8239 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8240 of unsigned integer types.
8242 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8244 * tree-chrec.c (eq_evolutions_p): New.
8245 * tree-chrec.h (eq_evolutions_p): Declared.
8246 * tree-data-ref.c: Fix formatting.
8247 (datadep_stats, dependence_stats): New.
8249 (print_direction_vector): New.
8250 (dump_data_dependence_relation): Use print_direction_vector.
8251 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8252 (compute_subscript_distance): Static.
8253 (initialize_data_dependence_relation): Static. Get the number
8254 of loops surrounding the references from the callers, and initialize
8255 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8256 base_object_differ_p analyzers.
8257 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8258 compute_overlap_steps_for_affine_1_2,
8259 analyze_subscript_affine_affine): Count the classified dependences.
8260 Print a message when a test failed.
8261 (can_use_analyze_subscript_affine_affine): New.
8262 (analyze_siv_subscript): Compute the data dependences on symbolic
8263 scevs that verify can_use_analyze_subscript_affine_affine.
8264 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8265 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8266 Handle symbolic scevs.
8267 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8269 (subscript_dependence_tester): Moved...
8270 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8271 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8272 DDR_SIZE_VECT instead of getting it in parameter.
8273 (subscript_dependence_tester): ... here. Take as a parameter
8274 loop_nest_depth. Call build_classic_dist_vector and
8275 build_classic_dir_vector.
8276 (compute_affine_dependence): Update subscript_dependence_tester
8277 parameters. Update datadep_stats counters. Call
8278 compute_subscript_distance.
8279 (compute_self_dependence): Save the dist and dir vectors. Call
8280 compute_subscript_distance.
8281 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8282 (compute_all_dependences): Reorder parameters as they were before
8283 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8284 compute_subscript_distance. Update the use of
8285 compute_affine_dependence and initialize_data_dependence_relation.
8286 (find_data_references_in_loop): Handle COMPONENT_REF.
8287 (compute_data_dependences_for_loop): Initialize dependence_stats.
8288 Don't call build_classic_dist_vector and build_classic_dir_vector.
8289 Update the parameters of initialize_data_dependence_relation and
8290 compute_all_dependences. Print the statistics from datadep_stats.
8291 (analyze_all_data_dependences): Static. Not used until the pass for
8292 checking the data dependences is contributed.
8293 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8294 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8295 (initialize_data_dependence_relation, compute_affine_dependence,
8296 analyze_all_data_dependences, compute_subscript_distance): Removed.
8297 (print_direction_vector): New.
8298 * lambda.h (gcd): ... here.
8299 (lambda_vector_gcd): Moved here from gcd_vector.
8300 * lambda-code.c (gcd, gcd_vector): Removed.
8301 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8302 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8304 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8306 * ipa-type-escape.c: Tidy some comments and white space.
8307 * tree-ssa-operands.c: Likewise.
8309 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8312 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8313 (dump_decl_name): Do not walk the decl tree chains.
8314 * tree-pass.h (TDF_CHAIN): Remove.
8316 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8318 * Makefile.in (C): Remove
8320 (.PHONY): Remove C and PROTO
8322 2006-02-20 Roger Sayle <roger@eyesopen.com>
8325 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8326 deprecated CHAR_TYPE tree code.
8328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8330 * configure.ac (target_list): Add install-info, dvi, html.
8331 * configure: Regenerate.
8333 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8334 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8335 treelang/Make-lang.in: Do not use double-colon rules.
8337 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8339 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8340 (TMT_USED_ALONE): New macro.
8341 * tree-pass.h (PROP_tmt_usage): New property.
8342 (TODO_update_tmt_usage): New todo.
8343 * tree-ssa-alias.c (updating_used_alone): New variable.
8344 (recalculate_used_alone): New function.
8345 (compute_may_aliases): Set updating_used_alone, call
8346 recalculate_used_alone.
8347 * tree-sra.c (pass_sra): Note that this pass destroys
8348 PROP_tmt_usage, and add TODO_update_tmt_usage.
8349 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8350 * tree-flow.h (updating_used_alone): Prototype.
8351 (recalculate_used_alone): Ditto.
8352 * passes.c (execute_todo): Add code to set updating_used_alone,
8353 and call recalculate.
8354 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8355 for clobber if used alone, and add assert to verify used_alone
8358 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8360 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8361 for non tls symbols added.
8362 (legitimize_address): Do nothing for PLUS expressions if one of the
8363 addends is a tls symbol reference.
8365 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8369 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8371 * Makefile.in (BOOTSTRAPPING): New.
8372 (quickstrap): New definition if BOOTSTRAPPING=yes.
8374 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8375 * configure.ac: Substitute all_selected_languages with the languages
8376 that were configured. For all the other variables except
8377 lang_specs_files, include all the languages in the tree.
8378 * configure: Regenerate.
8380 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8381 if there is one. Run the commands to run fixincludes in the same
8384 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8385 * doc/install.texi: Document exact conventions for searching target tools.
8386 Document --with-build-time-tools. Document toplevel bootstrap. Document
8387 something more about building an Ada cross-compiler. Don't list GNU Make
8388 requirements which affect all platforms.
8390 2006-02-19 Roger Sayle <roger@eyesopen.com>
8393 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8394 only equivalent if the have both the same mode and precision.
8396 2006-02-20 Ben Elliston <bje@au.ibm.com>
8398 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8400 2006-02-19 Roger Sayle <roger@eyesopen.com>
8401 Steven Bosscher <stevenb.gcc@gmail.com>
8403 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8404 constant pool references to identify stack mode constants.
8405 * rtlanal.c (constant_pool_constant_p): New predicate to check
8406 whether operand is a floating point constant in the pool.
8407 * rtl.h (constant_pool_constant_p): Prototype here.
8408 * loop.c (scan_loop): Avoid hoisting constants from the constant
8409 pool on STACK_REGS targets.
8410 (load_mems): Likewise.
8411 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8412 loads into x87 registers expensive in terms of register pressure.
8414 2006-02-19 Roger Sayle <roger@eyesopen.com>
8416 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8417 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8419 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8421 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8422 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8424 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8426 * doc/invoke.texi: Document -fipa-pta.
8427 * common.opt: Add ipa-pta option.
8428 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8429 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8430 (do_ds_constraint): Ditto.
8431 (get_constraint_for): Only add to referenced_vars if
8432 referenced_vars exists.
8433 (insert_into_field_list): Rewrite to do this unsorted.
8434 (insert_into_field_list_sorted): Rename old insert_into_field_list
8436 (create_function_info_for): Use insert_into_field_list_sorted.
8437 (create_variable_info_for): Rewrite so it uses unsorted version,
8438 since the field list is sorted.
8439 (intra_create_variable_infos): Only add to referenced_vars if
8440 referenced_vars exists.
8441 (ipa_pta_execute): Init heapvars, and delete when done.
8442 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8444 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8446 * doc/install.texi: Add missing `@samp'.
8448 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8450 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8453 2006-02-18 Mark Wielaard <mark@klomp.org>
8455 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8456 who added new 4.1 features, bug fixes and integration support.
8458 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8461 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8464 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8466 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8467 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8468 (copy_insn_1): Likewise. Don't copy each field individually.
8470 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8472 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8473 * rtl.c (rtx_size): Rename variable to...
8474 (rtx_code_size): ...this.
8475 (rtx_size): New function.
8476 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8477 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8479 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8480 * rtl.h (rtx_code_size): New variable.
8481 (rtx_size): Change from a variable to a function.
8482 (RTX_SIZE): Rename to...
8483 (RTX_CODE_SIZE): ...this.
8486 PR tree-optimization/17106
8487 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8488 (Anchored Addresses): New section.
8489 * doc/invoke.texi (-fsection-anchors): Document.
8490 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8491 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8492 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8493 * hooks.c (hook_bool_mode_rtx_false): New function.
8494 * hooks.h (hook_bool_mode_rtx_false): Declare.
8495 * gengtype.c (create_optional_field): New function.
8496 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8497 SYMBOL_REF_IN_BLOCK_P is true.
8498 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8499 (min_anchor_offset, max_anchor_offset): Likewise.
8500 (use_anchors_for_symbol_p): New hook.
8501 * toplev.c (compile_file): Call output_object_blocks.
8502 (target_supports_section_anchors_p): New function.
8503 (process_options): Check that -fsection-anchors is only used on
8504 targets that support it and when -funit-at-a-time is in effect.
8505 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8506 if the decl doesn't have one.
8507 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8508 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8509 of force_const_mem through use_anchored_address.
8510 (expand_expr_constant): New function.
8511 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8512 calling expand_expr for INDIRECT_REF.
8513 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8514 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8515 * expr.h (use_anchored_address): Declare.
8516 * loop-unroll.c: Don't declare rtx vectors here.
8517 * explow.c: Include output.h.
8518 (validize_mem): Call use_anchored_address.
8519 (use_anchored_address): New function.
8520 * common.opt (-fsection-anchors): New switch.
8521 * varasm.c (object_block_htab, anchor_labelno): New variables.
8522 (hash_section, object_block_entry_eq, object_block_entry_hash)
8523 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8524 (use_blocks_for_decl_p, change_symbol_section): New functions.
8525 (get_variable_section): New function, split out from assemble_variable.
8526 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8527 use_blocks_for_decl_p say so. Use change_symbol_section if the
8528 symbol has already been created.
8529 (assemble_variable_contents): New function, split out from...
8530 (assemble_variable): ...here. Don't output any code for
8531 block symbols; just pass them to place_block_symbol.
8532 Use get_variable_section and assemble_variable_contents.
8533 (get_constant_alignment, get_constant_section, get_constant_size): New
8534 functions, split from output_constant_def_contents.
8535 (build_constant_desc): Create a block symbol if use_object_blocks_p
8536 says so. Or into SYMBOL_REF_FLAGS.
8537 (assemble_constant_contents): New function, split from...
8538 (output_constant_def_contents): ...here. Don't output any code
8539 for block symbols; just pass them to place_section_symbol.
8540 Use get_constant_section and get_constant_alignment.
8541 (force_const_mem): Create a block symbol if use_object_blocks_p and
8542 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8543 (output_constant_pool_1): Add an explicit alignment argument.
8544 Don't switch sections here.
8545 (output_constant_pool): Adjust call to output_constant_pool_1.
8546 Switch sections here instead. Don't output anything for block symbols;
8547 just pass them to place_block_symbol.
8548 (init_varasm_once): Initialize object_block_htab.
8549 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8550 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8551 (place_block_symbol, get_section_anchor, output_object_block)
8552 (output_object_block_htab, output_object_blocks): New functions.
8553 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8554 (TARGET_ASM_OUT): Include it.
8555 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8556 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8557 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8558 (TARGET_INITIALIZER): Include them.
8559 * rtl.c (rtl_check_failed_block_symbol): New function.
8560 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8561 (block_symbol, object_block): New structures.
8562 (rtx_def): Add a block_symbol field to the union.
8563 (BLOCK_SYMBOL_CHECK): New macro.
8564 (rtl_check_failed_block_symbol): Declare.
8565 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8566 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8567 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8569 * output.h (output_section_symbols): Declare.
8570 (object_block): Name structure.
8571 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8572 (default_use_anchors_for_symbol_p): Declare.
8573 * Makefile.in (RTL_BASE_H): Add vec.h.
8574 (explow.o): Depend on output.h.
8575 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8576 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8577 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8578 (rs6000_use_blocks_for_constant_p): New function.
8580 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8582 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8584 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8587 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8590 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8592 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8596 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8599 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8600 instead of DECL_REGISTER.
8602 2006-02-18 Olivier Hainque <hainque@adacore.com>
8605 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8607 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8610 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8611 * opth-gen.awk: Handle Var and InverseMask together.
8612 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8613 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8614 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8615 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8617 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8618 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8619 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8621 LINUX_DYNAMIC_LINKER): Define.
8622 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8623 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8625 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8626 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8627 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8629 (TARGET_C99_FUNCTIONS): Don't define.
8630 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8631 GLIBC_DYNAMIC_LINKER.
8632 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8633 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8634 GLIBC_DYNAMIC_LINKER64): Define.
8635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8636 LINUX_DYNAMIC_LINKER64.
8637 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8639 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8641 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8643 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8644 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8645 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8647 and LINUX_DYNAMIC_LINKER32.
8648 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8650 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8652 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8654 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8655 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8656 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8657 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8658 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8659 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8660 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8661 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8663 LINUX_DYNAMIC_LINKER): Define.
8664 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8665 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8666 GLIBC_DYNAMIC_LINKER64): Define.
8667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8668 LINUX_DYNAMIC_LINKER64.
8669 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8670 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8671 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8672 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8673 LINUX_DYNAMIC_LINKER): Define.
8674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8675 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8676 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8677 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8678 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8679 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8680 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8681 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8682 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8683 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8685 * doc/invoke.texi (-muclibc): Remove caveat about supported
8688 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8690 * doc/cpp.texi (__TIMESTAMP__): Document.
8692 2006-02-17 Roger Sayle <roger@eyesopen.com>
8695 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8696 C is one less than the width of X (and related transformations).
8697 * simplify-rtx.c (simplify_unary_operation_1): Transform
8698 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8699 depending on STORE_FLAG_VALUE, were C is one less then the
8702 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8704 Fix PR tree-optimization/26341
8705 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8706 about NAME_MEMORY_TAG's.
8708 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8711 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8712 with hardware float support, and software float support. Add fcpy
8713 alternative to hardware patterns. Add alternatives to copy between
8714 general and floating-point registers to the 32-bit pattern.
8715 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8716 secondary reload to load a QI or HI mode constant into a floating
8718 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8719 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8721 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8724 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8726 (load_macho_picbase_di): Likewise.
8728 2006-02-16 Jeff Law <law@redhat.com>
8730 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8731 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8732 (ssa_name_nonzero_p): Likewise.
8733 (get_value_range): Return NULL if VRP is not running.
8734 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8735 VRP routines do not discover a range.
8736 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8737 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8738 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8739 (tree_expr_nonnegative_p): Similarly.
8740 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8741 (restore_nonzero_vars_to_original_value): Remove.
8742 (unsafe_associative_fp_binop): Remove.
8743 (tree_ssa_dominator_optimize): Remove initialization and
8744 finalization of nonzero_vars and nonzero_vars_stack.
8745 (dom_opt_initialize_block): No longer push marker on
8747 (dom_opt_finalize_block): No longer call
8748 restore_nonzero_vars_to_original_value.
8749 (record_equivalences_from_phis): No longer look for
8750 nonzero PHI arguments.
8751 (cprop_into_successor_phis): No longer propagate nonzero
8752 property into PHI arguments. Lose unused argument. Caller
8754 (record_equivalences_from_stmt): No longer record nonzero
8755 values for SSA_NAMEs.
8756 (lookup_avail_expr): No longer use nonzero_vars.
8758 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8759 for sizetype when sizetype is unsigned.
8761 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8763 PR rtl-optimization/25603
8764 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8765 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8766 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8767 with new meaning of SETS.
8769 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8774 * config/linux.opt: New file.
8775 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8776 LINUX_DYNAMIC_LINKER): Define.
8777 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8778 * config.gcc (*-*-linux*): Define extra_options.
8779 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8780 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8781 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8782 GLIBC_DYNAMIC_LINKER.
8783 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8784 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8785 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8787 * doc/invoke.texi (GNU/Linux Options): New section.
8789 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8791 * config/sparc/sparc.md (setjmp): Rewrite.
8792 (setjmp_32): Delete.
8793 (setjmp_64): Likewise.
8795 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8797 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8800 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8802 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8805 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8807 PR rtl-optimization/26296
8808 * Makefile.in (loop-invariant.c): Add except.h dependency.
8809 * loop-invariant.c: Include except.h.
8810 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8812 2005-02-16 Paul Brook <paul@codesourcery.com>
8814 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8817 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8819 PR rtl-optimization/25636
8820 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8821 when deciding whether an insn is an initializing insn.
8823 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8825 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8826 (tree_code_size): Ditto.
8827 * tree.h (struct tree_memory_tag): Remove parent_var.
8828 (struct tree_struct_field_tag): New.
8831 (union tree_node): Add sft member.
8832 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8834 (create_sft): Add size and offset argument, set SFT_OFFSET and
8836 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8837 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8838 * tree-flow-inline.h (get_subvar_at): Update for
8839 SFT_OFFSET/SFT_SIZE.
8840 (var_can_have_subvars): Ditto.
8841 (overlap_subvar): Ditto.
8842 * print-tree.c (print_node): Print out interesting things for
8844 * tree-flow.h (struct subvar): Remove offset and size members.
8845 * tree-ssa-operands.c (get_expr_operands): Update for
8846 get_indirect_ref_operands changes.
8847 (get_indirect_ref_operands): Call add_virtual_operand instead of
8848 add_stmt_operand. Only recurse on base var if requested.
8849 (access_can_touch_variable): New function.
8850 (add_stmt_operand): Split virtual operand handling into ...
8851 (add_virtual_operand): Here. Add offset, size, and for_clobber
8852 arguments. Prune alias sets.
8853 (add_call_clobber_ops): Call add_virtual_operand.
8855 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8858 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8860 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8861 than TREE_CODE as index into omp_clause_num_ops array.
8863 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8865 PR rtl-optimization/26184
8866 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8868 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8869 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8870 must_precede, must_follow and tobe_scheduled.
8873 * opts.c (common_handle_option): Free new_option pointer.
8874 * df-core.c (df_analyze): Free postorder pointer.
8876 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8878 * Makefile.in: Fix the examples about the use of stamps
8880 2006-02-15 Michael Matz <matz@suse.de>
8884 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8885 influenced by maximum_field_alignment or DECL_PACKED.
8886 (update_alignment_for_field): Ditto.
8887 (place_field): Ditto.
8888 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8891 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8893 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8894 (debug_flow_info): Pass it.
8895 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8896 * bb-reorder.c (reorder_basic_blocks): Likewise.
8897 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8898 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8899 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8900 * gcse.c (gcse_main, bypass_jumps): Likewise.
8901 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8902 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8903 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8904 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8905 * rtl.h (dump_flow_info): Adjust prototype.
8906 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8907 * var-tracking.c (variable_tracking_main): Likewise.
8908 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8909 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8912 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8914 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8917 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8919 PR tree-optimization/26209
8920 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8921 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8923 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8925 2006-02-14 Roger Sayle <roger@eyesopen.com>
8928 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8929 (X,Y) and the corresponding symmetry related transformations.
8930 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8931 (X,Y) and its symmetry related transformations.
8933 2006-02-14 Roger Sayle <roger@eyesopen.com>
8935 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8938 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8940 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8942 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8945 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8946 support COMDAT group.
8947 * configure: Regenerate.
8949 2006-02-14 Roger Sayle <roger@eyesopen.com>
8954 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8956 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8958 Fix PR tree-optimization/26260
8960 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8962 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8963 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8964 * tree-ssa-structalias.c (create_variable_info_for): Use
8965 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8967 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8969 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8971 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8972 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8973 of the ending condition.
8974 * tree-ssa-loop-manip.c: Include params.h.
8975 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8976 tree_unroll_loop): New functions.
8977 * tree-pass.h (pass_loop_prefetch): Declare.
8978 * loop.c (rest_of_handle_loop_optimize): Test for
8979 -fprefetch-loop-arrays-rtl.
8980 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8981 * timevar.def (TV_TREE_PREFETCH): New timevar.
8982 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8983 pass_loop_prefetch): New.
8984 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8985 (cleanup_tree_cfg_loop): Call scev_reset.
8986 * common.opt (fprefetch-loop-arrays-rtl): Add.
8987 * tree-ssa-loop-prefetch.c: New file.
8988 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8989 (new_temp_expr_table): Initialize expr_vars.
8990 (free_temp_expr_table): Cleanup expr_vars.
8991 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8992 expressions from being merged into one.
8993 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8994 (struct tree_niter_desc): Add control, bound and cmp fields.
8995 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8997 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8998 (tree-cfgcleanup.o): Add SCEV_H dependency.
8999 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9000 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9002 2006-02-14 Richard Guenther <rguenther@suse.de>
9004 PR tree-optimization/26258
9005 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9006 in PHI argument processing.
9008 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9010 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9011 new expression in the requested machine mode.
9013 2006-02-13 Roger Sayle <roger@eyesopen.com>
9015 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9016 directly, instead let do_compare_rtx_and_jump handle this for us.
9017 * expr.c (expand_expr_real_1): Likewise.
9018 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9019 before do_jump_by_parts_greater.
9020 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9021 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9023 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9025 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9027 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9029 PR rtl-optimization/26235
9030 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9031 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9034 2006-02-13 Jeff Law <law@redhat.com>
9036 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9039 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9042 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9043 twice if decl is a builtin. When trying again, call get_callee_fndecl
9044 first to verify it is still a builtin.
9046 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9048 * dwarf2out.c (base_type_die): Don't add AT_name here.
9049 (subrange_type_die): Don't add AT_name here.
9050 (modified_type_die): Rearrange code flow. Do add AT_name here.
9052 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9054 PR rtl-optimization/26247
9055 PR rtl-optimization/26248
9056 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9058 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9060 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9061 * config/fixtfdi.c: Likewise.
9062 * config/fixunstfdi.c: Likewise.
9063 * config/floatditf.c: Likewise.
9065 2006-02-13 Roger Sayle <roger@eyesopen.com>
9068 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9069 into (X,C2) if C1 is a subset of the bits of C2. Transform
9070 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9072 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9074 2006-02-13 Josh Conner <jconner@apple.com>
9077 * varasm.c (function_section): Check for section name before
9078 calling select_section on targets that define
9079 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9080 unlikely_text_section instead of hot_function_section if
9081 first_function_block_is_cold.
9083 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9086 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9088 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9090 PR rtl-optimization/26222
9091 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9092 after tree->rtl expansion.
9093 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9094 before passing it to emit_move_insn.
9096 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9098 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9100 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9101 Clarify documentation.
9102 * c-common.h (warn_write_strings): Remove.
9103 * c-common.c (warn_write_strings): Likewise.
9104 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9107 2006-02-12 Roger Sayle <roger@eyesopen.com>
9110 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9111 (do_jump_parts_zero_rtx): New function renamed from
9112 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9113 (do_jump_parts_equality_rtx): New function split out from
9114 do_jump_parts_equality. Old implementation renamed as above.
9115 Call do_jump_parts_zero_rtx if either operand is zero.
9116 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9117 do all of the heavy lifting.
9118 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9119 calling either do_jump_by_parts_greater_rtx or
9120 do_jump_by_parts_equality_rtx.
9121 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9122 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9123 moved to do_compare_rtx_and_jump, call it directly.
9124 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9125 mode argument. Call do_compare_rtx_and_jump.
9126 (emit_case_nodes): Update calls to do_jump_if_equal.
9128 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9130 PR rtl-optimization/26225
9131 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9133 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9135 PR rtl-optimization/26232
9136 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9138 2006-02-11 Jason Merrill <jason@redhat.com>
9141 * tree-inline.c (declare_return_variable): Just don't use the
9142 modify target if it's a gimple complex reg and the return slot
9145 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9147 * doc/contrib.texi: Update my entry.
9149 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9151 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9153 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9155 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9158 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9160 * doc/invoke.texi (-floop-optimize2): Removed.
9161 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9162 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9163 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9164 * common.opt (floop-optimize2): Removed.
9165 (fmove-loop-invariants): Enabled by default.
9167 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9169 * tree-if-conv.c (combine_blocks): Free the result of
9170 get_loop_exit_edges.
9172 2006-02-10 Jeff Law <law@redhat.com>
9174 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9176 PR tree-optimization/26213
9177 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9178 loop trying to follow SSA_NAME_VALUE chains.
9180 2006-02-10 Richard Guenther <rguenther@suse.de>
9182 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9183 deal with structures that end in implicitly variable sized arrays.
9185 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9187 PR rtl-optimization/24762
9188 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9191 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9193 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9194 (struct ivopts_data): Add regs_used field.
9195 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9196 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9197 instead of loop_data->regs_used;
9198 (free_loop_data): Do not free aux fields for loops.
9199 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9200 and tree_ssa_iv_optimize_finalize.
9202 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9204 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9206 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9209 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9210 computing the effective result type.
9212 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9215 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9216 (tree_overlaps_hard_reg_set): Declare.
9217 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9218 type and signature to match function type expected by walk_tree.
9219 (tree_overlaps_hard_reg_set): New function.
9220 (decl_conflicts_with_clobbers_p): Rename to:
9221 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9222 Use tree_overlaps_hard_reg_set. Changed caller.
9223 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9224 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9225 * cris.c (cris_md_asm_clobbers): Likewise.
9227 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9229 * reload1.c (emit_input_reload_insns): Delete code that tries to
9230 inherit using find_equiv_reg.
9232 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9234 * c-common.h (flag_const_strings): Don't declare.
9235 * c-common.c (flag_const_strings): Remove.
9236 * c.opt (fconst_strings): Remove.
9237 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9238 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9239 (c_common_init_options): Don't set flag_const_strings.
9240 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9242 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9244 * arm.md (tlobits_cbranch): New pattern.
9245 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9246 testing a single bit.
9248 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9251 * tree-ssa-pre.c (create_component_ref_by_pieces):
9252 Handle RETURN_DECL like VAR_DECL.
9254 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9257 * fold-const.c (fold_indirect_ref_1): Fold
9258 "*(foo *)&complexfoo" to "__real__ complexfoo"
9259 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9261 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9263 * tree-flow-inline.h (var_can_have_subvars):
9264 Volatile variables should not have subvariables.
9266 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9269 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9270 multiplying unsigned values.
9273 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9275 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9277 2006-02-08 Jason Merrill <jason@redhat.com>
9280 * tree.def: Elaborate on difference from MODIFY_EXPR.
9281 * doc/c-tree.texi (INIT_EXPR): Likewise.
9282 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9283 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9284 (gimplify_target_expr): Likewise.
9285 (gimplify_cond_expr): Remove target handling.
9286 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9287 (gimplify_expr): Clobber it here.
9288 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9289 Do return slot optimization if we have an INIT_EXPR.
9292 * tree-inline.c (declare_return_variable): Also clear
9293 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9296 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9299 * gimplify.c (gimplify_one_sizepos): Fix typo.
9301 2006-02-08 Jeff Law <law@redhat.com>
9303 PR tree-optimization/21417
9304 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9305 across a backedge if the control statement at the end of the
9306 block is data dependent on other statements in the same block.
9307 (record_temporary_equivalences_from_stmts): Remove over-conservative
9308 test for threading across backedges.
9310 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9311 control statement, handle all three special cases in the same
9312 manner as they all have the same desired solution. No longer
9313 special case edge flag updating when the post dominator is
9316 2006-02-08 Roger Sayle <roger@eyesopen.com>
9318 * tree.def (CHAR_TYPE): Remove.
9319 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9320 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9321 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9322 (gen_string_type_die): Delete unreachable function.
9324 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9325 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9326 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9327 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9328 * builtins.c (type_to_class): Likewise.
9329 * fold-const.c (fold_convert, build_range_check,
9330 merge_ranges): Likewise.
9331 * expr.c (count_type_elements): Likewise.
9332 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9333 * stor-layout.c (layout_type): Likewise.
9334 * ipa-type-escape.c (type_to_consider): Likewise.
9335 * gimplify.c (omp_firstprivatize_type_sizes,
9336 gimplify_type_sizes): Likewise.
9337 * explow.c (promote_mode): Likewise.
9338 * tree-sra.c (is_sra_scalar_type): Likewise.
9339 * varasm.c (output_constant): Likewise.
9340 * tree-inline.c (remap_type_1): Likewise.
9341 * convert.c (convert_to_pointer, convert_to_real,
9342 convert_to_integer, convert_to_complex): Likewise.
9344 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9346 * df-scan.c (df_def_record_1): A set destination may
9347 be a parallel regardless of mode.
9349 2006-02-08 Roger Sayle <roger@eyesopen.com>
9352 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9353 * config/mips/_tilib.c: Remove.
9354 * config/fixtfdi.c: New libgcc source file.
9355 * config/fixunstfdi.c: New source file.
9356 * config/floatditf.c: New source file.
9357 * config/floatunditf.c: New souce file.
9358 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9359 files above instead of config/mips/_tilib.c.
9360 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9362 2006-02-08 Jeff Law <law@redhat.com>
9364 PR tree-optimization/26169
9365 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9368 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9370 * df.h (DF_REG_SIZE): Return the length of the initialized
9373 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9375 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9376 __muldf3): Return a correctly signed zero.
9378 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9380 * passes.c (register_one_dump_file): Accept the current properties
9381 instead of pass number. Adjust call to dump_register. Remove
9383 (register_dump_files): Now a wrapper around...
9384 (register_dump_files_1): ... this one. Do not modify the pass
9386 (next_pass_1): Cosmetic fix.
9387 (execute_todo): Keep second parameter only. Use curr_properties
9388 instead of fetching it from the pass structure. Check and set
9390 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9391 instead of fetching it from the pass structure. Fix calls to
9392 execute_todo. Update curr_properties and initialize .vcg RTL dump
9393 after running the pass. Reset last_verified.
9394 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9396 (FIRST_AUTO_NUMBERED_DUMP): New.
9397 (dump_register): Remove "num" parameter, assign it within the
9399 (get_dump_file_name): Modify template for dumps.
9400 * tree-dump.h (dump_register): Adjust prototype.
9401 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9402 (PROP_trees): Add PROP_gimple_lomp.
9403 (TODO_set_props): New.
9404 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9405 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9406 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9408 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9410 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9411 (sparc64-*-linux*): Likewise.
9412 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9413 * config/sparc/t-linux: New file.
9414 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9415 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9416 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9417 -m32 -mlong-double-128.
9419 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9420 * config/alpha/t-linux: New file.
9421 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9423 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9424 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9425 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9426 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9427 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9428 (CPP_ARCH32_SPEC): Remove.
9430 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9432 PR tree-optimization/26145
9433 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9436 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9439 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9440 >= 240000 when generating code for SOM runtime.
9441 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9442 to $$dyncall when generating code for SOM runtime..
9444 2006-02-07 Dirk Mueller <dmueller@suse.com>
9447 * doc/invoke.texi (-Wsequence-point): Update documentation
9448 that -Wsequence-point is implemented for C++ as well.
9450 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9452 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9453 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9454 (LIB_SPEC): Likewise.
9455 * doc/invoke.texi (SPARC options): Document -pthread.
9457 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9459 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9462 2006-02-07 Roger Sayle <roger@eyesopen.com>
9464 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9465 Correct comment describing BOOLEAN_TYPE.
9467 2006-02-07 Dirk Mueller <dmueller@suse.com>
9469 * c.opt: C++ frontend supports -Wdiv-by-zero.
9470 * c-opts.c (c_common_handle_option): Remove dead case.
9472 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9474 * configure.ac (TLS assembler check): Do not enable TLS by
9475 default on SPARC/Solaris before version 10.
9476 * configure: Regenerate.
9478 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9480 * doc/invoke.texi (xl-compat): Document conversion and support
9483 2006-02-07 Jeff Law <law@redhat.com>
9485 * tree-vrp.c (find_conditional_asserts): Update comments.
9486 (simplify_stmt_for_jump_threading): New.
9487 (identify_jump_threads, finalize_jump_threads): New.
9488 (vrp_finalize): Call identify_jump_threads.
9489 (execute_vrp): Call finalize_jump_threads.
9490 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9491 (vrp_element, vrp_data, vrp_element_p): Remove.
9492 (vrp_hash_elt, vrp_variables_stack): Remove.
9493 (vrp_hash, vrp_eq, record_range): Remove.
9494 (simplify_cond_and_lookup_avail_expr): Remove.
9495 (extract_range_from_cond): Remove.
9496 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9497 (simplify_stmt_for_jump_threading): New.
9498 (dom_thread_across_edge): New wrapper.
9499 (tree_ssa_dominator_optimize): No longer initialize or
9500 finalize any of the VRP datastructures. Remove iteration
9501 step and simplify as a result of removal of iteration step.
9502 (pass_dominator): Perform a cfg cleanup after DOM.
9503 (dom_opt_finalize_block): Use the new common routines
9504 for threading jumps. Simplify stack management slightly.
9505 No longer need to unwind VRP state.
9506 (record_equivalences_from_incoming_edge): No longer record
9508 (eliminate_redundant_computations): No longer call
9509 simplify_cond_and_lookup_avail_expr.
9510 * tree-flow.h (potentially_threadable_block): Prototype.
9511 (thread_across_edge): Likewise.
9512 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9513 (tree-ssa-threadedge.o): Add dependencies.
9514 * tree-ssa-threadedge.c: New file.
9515 * passes.c (init_optimization_passes): Merge PHIs before
9516 calling VRP. Run VRP again late in the SSA optimization pipeline.
9518 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9520 * df-core.c (df_set_blocks): Do not dereference function pointers.
9521 (df_finish1): Likewise.
9522 (df_hybrid_search_forward): Likewise.
9523 (df_hybrid_search_backward): Likewise.
9524 (df_iterative_dataflow): Likewise.
9525 (df_analyze_problem): Likewise.
9526 (df_compact_blocks): Likewise.
9527 (df_dump): Likewise.
9528 * df-scan.c (df_rescan_blocks): Likewise.
9529 (df_record_entry_block_defs): Likewise.
9531 * genconditions.c (write_conditions): Guard the definition of
9532 'insn_conditions' with the check on GCC version.
9533 (write_writer): Guard the traversal 'insn_conditions' with
9534 the check on GCC version.
9536 2006-02-07 Richard Guenther <rguenther@suse.de>
9540 2006-01-30 Richard Guenther <rguenther@suse.de>
9542 * gimplify.c (gimplify_target_expr): Handle easy cases
9543 without creating a temporary.
9545 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9547 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9548 use of float in probability computations. Use edge probabilities
9549 in place of statically computed probabilities.
9550 (min_spec_prob): New static variable.
9551 (schedule_insns): Initialize it.
9552 (GET_SRC_PROB): Removed.
9553 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9555 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9558 * config/ia64/unwind-ia64.c: Revert last change.
9559 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9560 (INCOMING_FRAME_SP_OFFSET): Define.
9562 2006-02-06 Roger Sayle <roger@eyesopen.com>
9564 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9566 2006-02-07 Ben Elliston <bje@au.ibm.com>
9568 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9569 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9570 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9571 (ix86_return_in_memory): Handle TDmode.
9572 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9573 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9575 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9577 * reorg.c (dbr_schedule): Use dump_file instead of file.
9579 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9582 * config/ia64/predicates.md (extr_len_operand): New predicate.
9583 * config/ia64/ia64.md (extv): Tighten constraints.
9585 (*tbit_and_2): Ditto.
9586 (*tbit_and_3): Ditto.
9587 (*tbit_or_2): Ditto.
9588 (*tbit_or_3): Ditto.
9592 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9595 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9597 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9599 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9600 loop_optimizer_init and loop_optimizer_finalize
9601 * tree-ssa-sink.c (execute_sink_code): Ditto.
9602 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9603 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9604 tree_ssa_loop_done): Ditto.
9605 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9606 * sched-ebb.c: Include output.h.
9607 (schedule_ebbs): Do not use dump argument.
9608 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9609 * loop.c (loop_dump_stream): Removed.
9610 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9612 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9613 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9614 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9615 loop_iterations, strength_reduce, record_biv, record_giv,
9616 final_giv_value, check_final_value, check_ext_dependent_givs,
9617 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9618 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9619 dump_file instead of loop_dump_stream.
9620 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9622 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9624 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9625 * haifa-sched.c: Include output.h
9626 (schedule_insns, sched_init): Do not use dump argument.
9627 * mode-switching.c (optimize_mode_switching): Ditto.
9628 * modulo-sched.c (stats_file): Removed.
9629 (print_node_sched_params): Do not call argument dump_file.
9630 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9631 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9633 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9635 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9636 rtl_loop_init, rtl_loop_done): Ditto.
9637 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9638 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9640 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9641 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9642 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9643 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9644 * emit-rtl.c (renumber_insns): Ditto.
9645 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9646 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9647 * regclass.c (regclass): Ditto.
9648 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9649 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9650 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9651 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9653 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9654 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9656 * gcse.c (gcse_file, debug_stderr): Removed.
9657 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9658 rest_of_handle_gcse): Do not use dump argument.
9659 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9660 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9661 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9662 compute_code_hoist_vbeinout, compute_code_hoist_data,
9663 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9664 compute_store_table, build_store_vectors, insert_insn_start_bb,
9665 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9666 store_motion): Use dump_file instead of gcse_file.
9667 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9668 * profile.c (profile_dump_file): Removed.
9669 (branch_prob): Use dump_file instead of profile_dump_file.
9670 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9672 * tree-ssa-copy.c (dump_copy_of): Ditto.
9673 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9674 dump file to life_analysis.
9675 * bt-load.c (branch_target_load_optimize): Ditto.
9676 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9678 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9679 regclass, dbr_schedule): Declaration changed.
9680 * sched-int.h (sched_init): Declaration changed.
9681 * tree-profile.c (tree_profile_dump_file): Removed.
9682 (tree_profile_hooks): Removed profile_dump_file hook.
9683 * rtl-profile (rtl_profile_dump_file): Removed.
9684 (rtl_profile_hooks): emoved profile_dump_file hook.
9685 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9687 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9688 * tree-cfg.c (build_tree_cfg): Ditto.
9689 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9690 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9691 Declaration changed.
9692 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9693 life_analysis and schedule_insns.
9694 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9696 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9698 * config/mips/mips.c (mips_reorg): Ditto.
9699 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9702 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9704 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9705 (s390_mangle_fundamental_type): New.
9706 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9709 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9710 (alpha_mangle_fundamental_type): New.
9711 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9714 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9716 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9718 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9719 (sparc_mangle_fundamental_type): New.
9721 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9723 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9724 (s390x-*-linux*): Likewise.
9725 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9726 * config/s390/t-linux: New file.
9728 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9730 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9731 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9733 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9735 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9736 (ANTIC_SAFE_LOADS): New macro.
9737 (find_or_generate_expression): Add prototype.
9738 (set_contains_value): Allow null set for sake of not always having
9739 to allocate ANTIC_SAFE_LOADS.
9740 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9741 Allow COMPONENT_REF too.
9742 (valid_in_set): Allow COMPONENT_REF.
9743 Check ANTIC_SAFE_LOADS too.
9744 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9745 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9747 (can_PRE_operation): Add COMPONENT_REF.
9748 (create_component_ref_by_pieces): New function.
9749 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9750 (insert_aux): Move AGGREGATE_TYPE_P check here.
9751 (compute_avail): Set bb local stmt uids.
9752 (pass_pre): Use TODO_update_ssa_only_virtuals.
9754 2006-02-06 Ben Elliston <bje@au.ibm.com>
9756 * configure.ac: Unconditionally disable decimal float by default.
9757 * configure: Regenerate.
9759 2006-02-06 Ben Elliston <bje@au.ibm.com>
9761 * read-rtl.c (read_name): Terminate reading on EOF.
9763 2006-02-06 Ben Elliston <bje@au.ibm.com>
9765 * dfp.c (decimal_real_arithmetic): Change second argument type
9766 from int to enum tree_code. Do not always return true, but now
9767 return result of any call to decimal_do helper functions.
9768 * dfp.h (decimal_real_arithmetic): Update prototype.
9770 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9772 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9774 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9777 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9780 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9782 * tree-vrp.c (cfg_loops): Removed.
9783 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9784 Use current_loops instead of cfg_loops. Pass flags to
9785 loop_optimizer_init.
9786 * cfgloopmanip.c (fix_loop_structure): Update only available
9788 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9789 loop_optimizer_init.
9790 * modulo-sched.c (build_loops_structure): Removed.
9791 (sms_schedule): Use loop_optimizer_init.
9792 * loop-init.c (loop_optimizer_init): Use flags to determine
9793 which properties of loops to prepare.
9794 (rtl_loop_init): Pass flags to loop_optimizer_init.
9795 * tree-ssa-sink.c (execute_sink_code): Ditto.
9796 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9797 * tree-ssa-pre.c (init_pre): Ditto.
9798 * cfgloop.h (LOOPS_NORMAL): New.
9799 (loop_optimizer_init): Declaration changed.
9801 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9803 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9804 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9806 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9808 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9810 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9811 * pa/t-pa64: Delete quadlib.c rule.
9812 * pa/x-ada: Revert last change.
9813 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9815 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9817 PR rtl-optimization/26087
9818 * rtlanal.c (canonicalize_condition): Do not cross basic block
9821 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9824 * config/ia64/ia64.c: Include debug.h.
9825 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9826 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9827 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9828 (process_epilogue, process_set, process_for_unwind_directive):
9829 Output unwind info only if requested. Add CFA info if requested.
9830 Add new arguments as needed. Adjust callers.
9831 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9833 (DWARF2_FRAME_INFO): Define to zero.
9834 * config/ia64/unwind-ia64.c: Remove code that compensated for
9835 the CFA offset error fixed above.
9836 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9837 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9838 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9839 -funwind-tables and -fexceptions to enable frame info.
9840 (dwarf2out_frame_init): Define initial CFA even if
9841 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9842 DWARF2_UNWIND_INFO is nonzero, not just defined.
9843 (dwarf2out_frame_finish): Output non-EH call frame info only
9844 if DWARF2_FRAME_INFO is nonzero.
9845 (convert_cfa_to_loc_list,
9846 compute_frame_pointer_to_cfa_displacement): Define even if
9847 unwind info is not supported.
9848 (gen_subprogram_die): Use the above unconditionally. Remove
9849 legacy alternate code.
9850 * toplev.c (compile_file): Compile in call to
9851 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9852 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9854 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9855 Jakub Jelinek <jakub@redhat.com>
9857 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9858 IBM extended float format long double as "g" on powerpc*-linux.
9860 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9863 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9864 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9866 2006-02-03 Jason Merrill <jason@redhat.com>
9869 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9872 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9873 on the return slot if it's an NRV.
9875 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9877 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9878 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9879 rewrite_use): Do not handle USE_OUTER.
9880 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9881 add_iv_outer_candidates, may_replace_final_value,
9882 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9883 (find_interesting_uses_op): Functionality of
9884 find_interesting_uses_outer_or_nonlin moved here.
9885 (find_interesting_uses_outside): Use find_interesting_uses_op.
9887 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9890 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9892 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9893 Ulrich Weigand <uweigand@de.ibm.com>
9896 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9897 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9898 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9899 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9901 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9902 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9903 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9904 Define secondary reloads for TFmode moves.
9905 (constant_modes): Add TFmode.
9906 (NR_C_MODES): Set to 8.
9907 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9909 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9910 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9911 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9912 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9913 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9914 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9915 (FPR mode macro): Add TFmode.
9916 (DSF mode macro): New.
9917 (<de>, <dee> mode attributes): Removed.
9918 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9919 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9920 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9921 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9922 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9923 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9924 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9925 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9926 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9927 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9928 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9929 "*negabs<mode>2", "sqrt<mode>2"):
9930 Changed <de> to <xde>. R constraint replaced by <Rf>.
9931 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9933 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9934 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9935 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9937 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9938 "extenddftf2", "extendsftf2"): New expanders.
9939 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9940 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9941 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9942 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9944 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9945 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9946 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9947 __floatditf): Add a GCC_4.1.0 symbol version tag.
9948 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9951 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9954 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9955 Use targetm.binds_local_p instead of TREE_PUBLIC.
9957 2006-02-02 Roger Sayle <roger@eyesopen.com>
9959 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9960 on INTEGER_TYPEs to indicate that it denotes a character type.
9961 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9962 signed_char_type_node, unsigned_char_type_node and char_type_node.
9963 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9964 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9965 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9967 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9968 Daniel Berlin <dberlin@dberlin.org>
9970 * tree-tailcall.c (arg_needs_copy_p): New function.
9971 (eliminate_tail_call): Use arg_needs_copy_p.
9972 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9973 (add_virtual_phis): New function.
9975 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9977 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9978 #ignore instead of #scratch for %g7 .register directive.
9980 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9982 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9985 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9987 * flow.c (calculate_global_regs_live): Assert that there aren't any
9990 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9992 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9994 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9995 bsi_after_labels iterator.
9996 * tree-if-conv.c (find_phi_replacement_condition,
9997 replace_phi_with_cond_modify_expr): Likewise.
9998 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9999 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10001 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10003 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10005 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10008 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10009 array after growing it.
10011 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10013 PR middle-end/24901
10014 * fold-const.c (fold_checksum_tree): Change type of buf.
10016 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10018 * reload.c (push_secondary_reload): Initialize t_icode.
10020 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10022 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10023 -msoft-float -mlong-double-128 only issue a warning, but don't
10024 swich to DFmode long double.
10026 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10028 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10029 has a constant equivalent, iterate over equivalents for arg0,
10030 calling simplify_relational_operation and if there's a result
10031 cheaper than X, apply fold_rtx and return the result.
10033 2006-02-01 Jan Hubicka <jh@suse.cz>
10035 * opts.c (no_unit_at_a_time_default): New global variable.
10036 (decode_options): Use it.
10037 * opts.h (no_unit_at_a_time_default): Declare.
10039 2006-02-01 Paul Brook <paul@codesourcery.com>
10041 * function.c (assign_parm_setup_reg): Use function argument promotion
10043 * expr.c (expand_expr_real_1): Use function argument promotion rules
10046 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10048 * gcc.c (process_command): Change j to 'unsigned int'.
10050 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10052 PR middle-end/26001
10053 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10054 Use the corrected index for the character
10055 out of the string constant.
10057 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10059 * mode-switching.c (optimize_mode_switching): Fix size
10060 allocated for bb_info[n_entities].
10062 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10064 * gcc.c (main): Correct type that is allocated for
10065 explicit_link_files.
10067 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10069 * config/s390/s390.c (init_alignment_context): Set
10070 ALIAS_SET_MEMORY_BARRIER on the MEM.
10071 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10073 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10075 PR middle-end/25933
10076 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10078 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10081 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10083 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10084 * regrename.c: Ditto.
10085 * tree-ssa-loop-im.c: Ditto.
10086 * tree-dump.c: Ditto.
10087 * tree-complex.c: Ditto.
10088 * genrecog.c: Ditto.
10089 * tree-ssa-threadupdate.c: Ditto.
10091 * java/class.c: Ditto.
10092 * java/jcf-parse.c: Ditto.
10093 * java/resource.c: Ditto.
10094 * java/except.c: Ditto.
10095 * java/jvspec.c: Ditto.
10096 * java/jcf-write.c: Ditto.
10097 * java/jcf-path.c: Ditto.
10098 * java/gjavah.c: Ditto.
10099 * java/zextract.c: Ditto.
10100 * java/jcf-io.c: Ditto.
10101 * java/jcf.h: Ditto.
10102 * java/buffer.c: Ditto.
10103 * java/lang.c: Ditto.
10104 * java/parse-scan.y: Ditto.
10105 * java/lex.c: Ditto.
10106 * java/lex.h: Ditto.
10107 * cfgloopmanip.c: Ditto.
10108 * postreload-gcse.c: Ditto.
10109 * tree-ssa-loop-manip.c: Ditto.
10110 * postreload.c: Ditto.
10111 * tree-ssa-loop-ch.c: Ditto.
10114 * cppspec.c: Ditto.
10115 * diagnostic.c: Ditto.
10117 * genoutput.c: Ditto.
10119 * cfghooks.c: Ditto.
10120 * cfgloopanal.c: Ditto.
10121 * objc/objc-act.c: Ditto.
10123 * genextract.c: Ditto.
10124 * genautomata.c: Ditto.
10125 * pretty-print.c: Ditto.
10126 * genemit.c: Ditto.
10127 * cgraphunit.c: Ditto.
10129 * df-scan.c: Ditto.
10130 * haifa-sched.c: Ditto.
10131 * dominance.c: Ditto.
10133 * tree-ssa-loop-ivopts.c: Ditto.
10134 * df-core.c: Ditto.
10135 * mode-switching.c: Ditto.
10136 * modulo-sched.c: Ditto.
10138 * ipa-pure-const.c: Ditto.
10140 * fix-header.c: Ditto.
10142 * tree-stdarg.c: Ditto.
10143 * ipa-utils.c: Ditto.
10144 * loop-init.c: Ditto.
10145 * ipa-inline.c: Ditto.
10146 * cfganal.c: Ditto.
10148 * alloc-pool.c: Ditto.
10149 * dwarf2out.c: Ditto.
10151 * genattrtab.c: Ditto.
10152 * tree-ssa-loop-ivcanon.c: Ditto.
10153 * predict.c: Ditto.
10154 * timevar.c: Ditto.
10156 * fortran/gfortranspec.c: Ditto.
10157 * regmove.c: Ditto.
10158 * local-alloc.c: Ditto.
10159 * langhooks.c: Ditto.
10160 * function.c: Ditto.
10161 * tree-vectorizer.c: Ditto.
10163 * ipa-type-escape.c: Ditto.
10165 * tree-if-conv.c: Ditto.
10166 * profile.c: Ditto.
10168 * tree-data-ref.c: Ditto.
10169 * loop-unroll.c: Ditto.
10170 * treelang/treetree.c: Ditto.
10172 * bt-load.c: Ditto.
10173 * ggc-common.c: Ditto.
10175 * coverage.c: Ditto.
10177 * tree-cfgcleanup.c: Ditto.
10178 * tree-ssa-pre.c: Ditto.
10179 * cfgcleanup.c: Ditto.
10180 * loop-invariant.c: Ditto.
10181 * loop-iv.c: Ditto.
10182 * ipa-prop.c: Ditto.
10183 * print-tree.c: Ditto.
10184 * conflict.c: Ditto.
10185 * ggc-page.c: Ditto.
10186 * sched-deps.c: Ditto.
10187 * regclass.c: Ditto.
10188 * tree-object-size.c: Ditto.
10189 * combine.c: Ditto.
10190 * bb-reorder.c: Ditto.
10191 * resource.c: Ditto.
10192 * var-tracking.c: Ditto.
10193 * cfgloop.c: Ditto.
10194 * df-problems.c: Ditto.
10195 * reg-stack.c: Ditto.
10197 * gccspec.c: Ditto.
10198 * sched-rgn.c: Ditto.
10199 * tree-ssa-structalias.c: Ditto.
10200 * tree-ssa-reassoc.c: Ditto.
10201 * config/darwin-c.c: Ditto.
10202 * config/darwin.c: Ditto.
10203 * config/arm/arm.c: Ditto.
10205 * collect2.c: Ditto.
10206 * reload1.c: Ditto.
10208 2006-01-31 Nicolas Pitre <nico@cam.org>
10210 * arm.md (smaxsi3): Make aware of smax_m1.
10213 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10215 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10217 2006-01-31 Richard Guenther <rguenther@suse.de>
10219 * doc/invoke.texi (-msselibm): Document.
10220 * target.h (expand_library_builtin): New target hook.
10221 * builtins.c (expand_builtin): Use expand_library_builtin.
10222 (default_expand_library_builtin): New function.
10223 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10224 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10225 (link_gcc_math_spec): Declare.
10226 (static_specs): Add link_gcc_math_spec.
10227 * expr.h (default_expand_library_builtin): Declare.
10228 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10229 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10230 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10231 * config/i386/i386.opt (msselibm): New target option.
10232 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10233 (ix86_init_sse_abi_builtins): New function.
10234 (ix86_expand_library_builtin): Likewise.
10235 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10236 (override_options): Handle error conditions wrt -msselibm.
10237 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10238 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10239 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10242 2006-01-31 Richard Guenther <rguenther@suse.de>
10243 Paolo Bonzini <bonzini@gnu.org>
10245 * doc/install.texi (--disable-libgcc-math): Document.
10247 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10249 * expr.h (expand_normal): new inline function.
10250 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10251 * dojump.c: use it.
10252 * dwarf2out.c: use it.
10255 * expmed.c: use it.
10256 * except.c: use it.
10257 * config/sparc/sparc.c: use it.
10258 * config/i386/i386.c: use it.
10259 * config/rs6000/rs6000.c: use it.
10260 * config/arm/arm.c: use it.
10261 * config/mips/mips.c: use it.
10262 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10264 2006-01-30 Roger Sayle <roger@eyesopen.com>
10266 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10267 argv to the appropriate type.
10269 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10271 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10274 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10277 * config/s390/s390.c (struct machine_function): New flag
10278 decomposed_literal_pool_addresses_ok_p.
10279 (s390_reorg): Set it before final stage of literal pool transforms.
10280 (s390_decompose_address): Only accept displacements of the form
10281 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10283 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10285 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10286 the comparison routine return.
10288 2006-01-30 Michael Matz <matz@suse.de>
10290 * global.c (find_reg): Only evict for global regs.
10291 Take n_refs into account and dump more info.
10293 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10296 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10297 (pragma_trap, pragma_nosave_low_regs): Likewise.
10298 (current_function_anonymous_args): Likewise.
10299 (sh_deferred_function_attributes): New variable.
10300 (sh_deferred_function_attributes_tail): Likewise.
10301 (print_operand): For '@', look up trap_exit attribute.
10302 (calc_live_regs): Look up trapa_handler attribute. For trapa
10303 handlers, save/restore fpscr, but don't do any other
10304 interrupt-specific saves.
10305 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10306 Fix check for partially saved registers to check for SHmedia.
10307 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10308 (sh_output_function_epilogue): Don't clear any of the removed
10310 (sh_insert_attributes): Don't check pragma_interrupt.
10311 Insert deferred attributes. Check that interrupt attribute is
10312 present for other attributes that require its presence.
10313 (sh_attribute_table): Add new attributes trapa_handler and
10315 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10316 Don't check for pragma_interrupt. Don't store argument.
10317 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10318 (sh_deferred_function_attributes): Declare.
10319 (sh_deferred_function_attributes_tail): Likewise.
10320 * sh.md (sp_switch_1): Add operand. Change generator caller.
10321 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10322 (*return_i): Don't use when trap_exit attribute is in effect.
10323 (*return_trapa): New insn pattern.
10324 * sh-c.c: New file.
10325 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10326 setting c_target_objs and cxx_target_objs.
10327 * t-sh: Add rule for sh-c.o.
10329 2006-01-30 Richard Guenther <rguenther@suse.de>
10332 * gimplify.c (gimplify_target_expr): Handle easy cases
10333 without creating a temporary.
10335 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10337 * vec.h (safe_grow): Remove duplicated line.
10339 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10342 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10343 (expand_omp): ... here.
10344 (expand_omp_parallel): Only remove barriers for combined
10345 parallel+workshare constructs.
10347 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10351 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10352 * tree.c (build_qualified_type): Chain the new type to the original
10353 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10354 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10355 (build_pointer_type_for_mode): Only return unqualified types.
10356 (build_reference_type_for_mode): Likewise.
10358 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10360 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10361 * Makefile.in (CXX_COMPAT_WARN): Define.
10362 * configure: Regenerate.
10364 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10367 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10370 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10372 * toplev.c: Fix thinko.
10374 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10375 Marcin Dalecki <martin@dalecki.de>
10377 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10378 (push_srcloc): Use XNEW.
10379 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10381 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10383 * df-core.c (df_set_blocks): Deleted all variable.
10385 2006-01-28 Ian Lance Taylor <ian@airs.com>
10387 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10388 cgraph_output_pending_asms.
10390 2006-01-28 Zack Weinberg <zackw@panix.com>
10392 * c.opt: Add -W(no-)overlength-strings.
10393 * doc/invoke.texi: Document it.
10394 * c-opts.c (c_common_handle_option): -pedantic implies
10395 -Woverlength-strings, if not explicitly disabled already.
10396 (c_common_post_options): -Woverlength-strings defaults to off, and
10397 is always off for C++.
10398 * c-common.c (fix_string_type): Issue warning about strings longer
10399 than is portable only if warn_overlength_strings. Rearrange code
10400 a little for clarity.
10401 * configure.in: Check for -Wno-overlength-strings as well before
10402 enabling -pedantic in stage 1.
10403 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10404 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10406 * genconditions.c (write_header, write_one_condition)
10407 (write_conditions, write_writer): Consolidate very long strings
10408 that were broken up to fit in C89 portable limit. Don't use
10409 printf when fputs will do.
10411 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10413 * combine.c (simplify_comparison <AND>): Check
10414 TRULY_NOOP_TRUNCATION before start using a subreg.
10416 * config/mips/mips.md (*branch_zero<mode>,
10417 *branch_zero<mode>_inverted, *branch_equality<mode>,
10418 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10419 Remove mode check from comparisons.
10421 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10423 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10425 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10427 * expmed.c (const_mult_add_overflow_p): Remove.
10428 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10430 * recog.c (validate_replace_rtx_subexp): Remove.
10431 * recog.h: Remove the prototype for
10432 validate_replace_rtx_subexp.
10434 * integrate.h: Remove the prototype for
10435 copy_decl_for_inlining.
10436 * rtl.h: Remove the prototype for mark_constant_function.
10437 * tree-vectorizer.h: Remove the prototype for
10438 vect_strip_conversion.
10440 * modulo-sched.c (create_partial_schedule,
10441 free_partial_schedule, reset_partial_schedule): Make them
10444 * hooks.c (hook_bool_rtx_int_false): Remove.
10445 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10447 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10449 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10450 and -mlong-double-128 are incompatible.
10451 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10452 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10453 (TARGET_LIBGCC2_CFLAGS): Define.
10454 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10455 (TARGET_LIBGCC2_CFLAGS): Same.
10456 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10458 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10461 * c-typeck.c (build_binary_op): Perform implicit casts of
10462 operands before shortening them.
10464 * cfgloopmanip.c (split_loop_bb): Remove.
10465 * cfgloop.h: Remove the prototype for split_loop_bb.
10467 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10468 * cfgloop.h: Remove the prototype for
10469 flow_loop_outside_edge_p.
10471 * emit-rtl.c (init_virtual_regs): Make it static.
10472 * function.h: Remove the prototype for init_virtual_regs.
10474 * recog.c (peephole2_optimize): Make it static.
10475 * recog.h: Remove the prototype for peephole2_optimize.
10477 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10479 * df-scan.c (df_record_entry_block_defs): Check if
10480 INCOMING_RETURN_ADDR_RTX is defined.
10482 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10483 Kenneth Zadeck <zadeck@naturalbridge.com>
10485 PR rtl-optimization/24762
10486 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10487 * targhooks.c (hook_void_bitmap): New hook prototype.
10488 * targhoohs.h (hook_void_bitmap): Ditto.
10489 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10490 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10491 * target.h (live_on_entry): New function pointer.
10492 * df-scan.c (df_all_hard_regs): Removed.
10493 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10494 (df_scan_free_internal): Added df->entry_block_defs.
10495 (df_scan_alloc): Ditto.
10496 (df_scan_dump): Ditto.
10497 (df_uses_record): Plumbed flag field properly thru calls.
10498 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10499 This part fixes PR24762.
10500 (df_bb_refs_record): Added code to make the frame and arg
10501 pointers live in EH blocks.
10502 (df_refs_record): Added call to df_record_entry_block_defs.
10503 (df_record_entry_block_defs): New function.
10504 * df-core.c: Added comments to describe new artifical defs.
10505 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10506 (entry_block_defs): New field in struct df.
10507 (df_all_hard_regs): Deleted.
10508 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10509 * df-problems.c (df_ru_bb_local_compute_process_def):
10510 Added code to handle artifical defs in the entry to a function.
10511 (df_ru_bb_local_compute): Ditto.
10512 (df_rd_bb_local_compute_process_def): Ditto.
10513 (df_rd_bb_local_compute): Ditto.
10514 (df_lr_bb_local_compute): Ditto.
10515 (df_ur_bb_local_compute): Ditto.
10516 (df_urec_bb_local_compute): Ditto.
10517 (df_chain_create_bb): Ditto.
10518 (df_ur_local_finalize): Removed entry.
10519 (df_urec_init): Ditto.
10520 (df_urec_local_finalize): Ditto.
10521 (df_ri_bb_compute): Added detection of last use of pseudos.
10522 * Makefile.in (df-scan.o): Updated dependencies.
10523 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10524 * config/mips/mips.c (mips_set_live_on_entry): Added.
10525 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10527 * dce.c (marked_insn_p): Added code to handle artifical defs.
10529 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10531 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10533 (_mm_cvtsi128_si64): Likewise.
10534 (_mm_cvtsd_si64): Likewise.
10535 (_mm_cvttsd_si64): Likewise.
10536 (_mm_cvtsi64_sd): Likewise.
10537 (_mm_cvtsi64_si128): Likewise.
10538 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10539 (_mm_cvtsi64_m64): Likewise.
10540 (_m_to_int64): Likewise.
10541 (_mm_cvtm64_si64): Likewise.
10542 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10543 (_mm_cvttss_si64): Likewise.
10544 (_mm_cvtsi64_ss): Likewise.
10545 (_mm_cvtss_f32): Likewise.
10547 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10549 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10550 for pragma redefine_extname.
10552 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10555 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10556 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10557 -mno-minimal-toc to previous content.
10558 (bispecs): Remove goal.
10559 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10560 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10561 compatibility aliases on powerpc-*-*gnu*.
10562 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10563 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10564 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10565 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10566 (ldblspecs): New goal.
10567 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10568 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10570 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10571 L_sf_to_tf or L_df_to_tf is defined.
10573 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10574 Alan Modra <amodra@bigpond.net.au>
10577 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10578 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10579 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10580 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10581 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10582 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10583 (rs6000_override_options): Initialize rs6000_ieeequad.
10584 Initialize TFmode format to ibm_extended_format if not
10586 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10588 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10589 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10590 (function_arg_advance): IBM long double passed in two FPRs, not
10592 (function_arg): IBM long double passed in FPRs.
10593 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10594 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10595 Only multireg GPR aligned.
10596 (rs6000_init_libfuncs): Enable IBM long double functions if not
10598 (rs6000_generate_compare): Use IBM long double compare if not
10600 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10601 (TARGET_IEEEQUAD): Define.
10602 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10603 not TARGET_IEEEQUAD.
10604 * config/rs6000/rs6000.md: Enable TFmode patterns if
10606 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10607 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10608 and -mlong-double-128 are incompatible.
10609 * doc/invoke.texi (-mabi): Collect options together. Add
10610 ibmlongdouble and ieeelongdouble.
10612 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10614 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10616 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10617 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10618 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10619 * rtl.h (rtunion_def): Remove rt_ptr.
10621 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10622 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10623 * config/i386/winnt.c (i386_pe_mark_dllexport)
10624 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10626 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10628 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10634 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10635 pthread_key_delete. From John David Anglin. gthrw-ify
10636 pthread_getunique_np only if it it's not a macro. Delete
10638 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10639 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10640 __gthread_objc_condition_signal, __gthread_key_delete): Add
10641 "__attribute__ ((__unused__))" to unused arguments.
10642 (__gthread_recursive_mutex_init_function): Add missing return.
10643 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10644 gthr-posix95.h: Use macro-based approach for name redirection
10645 on targets missing weakref.
10647 2006-01-26 Zack Weinberg <zackw@panix.com>
10649 * genconditions.c (write_header): In generated code, #ifdef out
10650 all includes and fake declarations, except includes of bconfig.h
10651 and system.h, unless GCC_VERSION >= 3001. Do not include
10652 gensupport.h in any case.
10653 (write_conditions): Generate a definition of struct c_test. Add
10654 a comment to the generated #endif.
10655 (write_one_condition): Escape backslashes in string too.
10656 (write_writer): Generated code must escape backslashes and quote
10657 marks (but not newlines) in the strings it writes.
10658 * Makefile.in (build/gencondmd.o): Update dependencies.
10660 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10663 * Makefile.in (insn-automata.o): Add header file dependencies.
10664 * genautomata.c: Add includes.
10666 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10669 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10671 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10673 * configure.ac: Expect target tools paths to be passed from the toplevel
10674 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10676 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10678 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10681 * c.opt (Wpointer-sign): Init to -1.
10682 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10683 OPT_pedantic, to 0 otherwise.
10684 * doc/invoke.texi: Update.
10686 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10688 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10689 constants provided by 80387 instructions in the destination mode.
10691 2006-01-26 Richard Guenther <rguenther@suse.de>
10692 Andrew Pinski <pinskia@physics.uc.edu>
10695 partial PR tree-opt/17064
10696 * tree-ssa-structalias.c (intra_create_variable_infos):
10697 Create heap variables for incoming parameters if
10698 flag_argument_noalias > 1.
10699 (find_what_p_points_to): Look through default defs of
10702 2006-01-26 Jeff Law <law@redhat.com>
10705 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10706 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10707 within the VR_RANGE, use the VR_RANGE as the result, not the
10709 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10710 bounds for the type.
10712 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10714 * tree-ssa-alias.c (maybe_create_global_var): Change
10715 subvar walking to an assertion that we don't have subvar'd variables.
10717 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10720 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10721 Use a new variable, inner. PARM_DECLs are always non-weak.
10723 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10725 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10726 --disable-checking.
10728 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10730 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10732 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10734 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10735 (smax_insn, smin_insn, smax_0, smin_0): New.
10737 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10740 * config/cris/cris.c (cris_order_for_addsi3): New function.
10741 * config/cris/cris-protos.h: Prototype it.
10742 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10743 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10744 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10745 (split for "op.S1 [rx=rx+i],ry (swapped)")
10746 (split for "op(s|u).S1 [rx=rx+i],ry")
10747 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10748 Apply cris_order_for_addsi3 when generating addsi3 insns.
10750 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10752 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10753 (TREE_BLOCK): Add call to EXPR_CHECK.
10755 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10758 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10759 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10760 (dump_omp_clauses): ... here.
10761 (dump_generic_node): Handle OMP_CLAUSE.
10762 * tree.c (omp_clause_num_ops): New.
10763 (omp_clause_code_name): New.
10764 (tree_code_size): Handle OMP_CLAUSE.
10765 (tree_size): Likewise.
10766 (make_node): Document handling of OMP_CLAUSE.
10767 (tree_node_structure): Handle OMP_CLAUSE.
10768 (omp_clause_check_failed): New.
10769 (omp_clause_range_check_failed): New.
10770 (omp_clause_operand_check_failed): New.
10771 (build_omp_clause): New.
10772 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10773 * tree.h (enum omp_clause_code): Declare.
10774 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10775 (OMP_CLAUSE_RANGE_CHECK): Define.
10776 (OMP_CLAUSE_ELT_CHECK): Define.
10777 (omp_clause_check_failed): Declare.
10778 (omp_clause_operand_check_failed): Declare.
10779 (omp_clause_range_check_failed): Declare.
10780 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10781 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10782 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10783 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10784 (OMP_CLAUSE_IF_EXPR): Likewise.
10785 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10786 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10787 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10788 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10789 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10790 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10791 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10792 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10793 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10794 (OMP_CLAUSE_CODE): Define.
10795 (OMP_CLAUSE_SET_CODE): Define.
10796 (OMP_CLAUSE_CODE): Define.
10797 (OMP_CLAUSE_OPERAND): Define.
10798 (struct tree_omp_clause): Declare.
10799 (union tree_node): Add field 'omp_clause'.
10800 * treestruct.def (TS_OMP_CLAUSE): Define.
10801 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10802 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10803 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10804 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10805 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10806 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10807 (OMP_CLAUSE): Define.
10808 * print-tree.c (print_node): Handle OMP_CLAUSE.
10809 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10810 * c-typeck.c: Likewise.
10811 * gimplify.c: Likewise.
10812 * c-omp.c: Likewise.
10813 * tree-nested.c: Likewise.
10814 * tree-inline.c: Likewise.
10815 * c-parser.c: Likewise.
10816 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10819 2006-01-25 Roger Sayle <roger@eyesopen.com>
10821 PR rtl-optimization/25703
10822 * combine.c (try_combine): Handle zero_extract and strict_low_part
10823 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10825 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10827 * global.c: Fix comment typos.
10829 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10832 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10833 Use output_addr_const instead of assemble_name.
10835 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10837 * Makefile.in (sched-vis.o): Update dependencies.
10838 * haifa-sched.c (sched_finish): Clear current_sched_info.
10839 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10840 (dump_flow_info): Call it.
10841 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10843 * basic-block.h (dump_bb_info): Declare.
10844 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10845 option, and apply options only for dump files whose TDF_RTL,
10846 TDF_TREE, or TDF_IPA bits match.
10847 * rtl.h: Declare new functions exported from sched-vis.c.
10848 * sched-vis.c: Enable also if scheduling is not used.
10849 (print_value): Print the mode of registers if not inside scheduling.
10850 (print_insn): Make it work outside the scheduler. Beautify the output
10852 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10854 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10856 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10857 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10858 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10859 depending on the value of CONSTANT_POOL_ADDRESS_P.
10860 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10862 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10863 rather than SYMBOL_REF_DECL.
10864 (rtx_constant_pool): Remove const_rtx_sym_htab.
10865 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10866 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10867 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10868 Remove handling of const_rtx_sym_htab.
10869 (find_pool_constant): Delete.
10870 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10871 rather than find_pool_constant.
10872 (get_pool_constant_for_function): Delete.
10873 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10874 find_pool_constant.
10875 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10876 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10877 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10878 (SYMBOL_REF_CONSTANT): New macro.
10879 (get_pool_constant_for_function): Delete.
10880 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10881 rather than SYMBOL_REF_DECL.
10882 (i386_pe_mark_dllimport): Likewise.
10883 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10884 rather than SYMBOL_REF_DECL.
10885 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10886 (machopic_indirect_call_target): Likewise.
10888 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10890 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10892 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10894 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10896 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10898 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10900 2006-01-24 David Daney <ddaney@avtrex.com>
10903 * configure.ac (enable_tls): New enable option.
10904 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10905 * configure: Regenerate.
10906 * doc/install.texi (--enable-tls): Document new option.
10907 (--disable-tls): Ditto.
10909 2006-01-24 Richard Henderson <rth@redehat.com>
10911 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10912 * alias.c (true_dependence): Respect it.
10913 (canon_true_dependence, write_dependence_p): Likewise.
10914 * builtins.c (get_builtin_sync_mem): Set it.
10916 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10918 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10921 2006-01-24 DJ Delorie <dj@redhat.com>
10923 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10924 for storing constants in single-bit bitfields.
10926 2006-01-25 Ben Elliston <bje@au.ibm.com>
10928 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10930 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10933 * tree-ssa-pre.c (phi_translate): Return NULL
10934 for AGGREGATE_TYPE's.
10936 2006-01-24 Zack Weinberg <zackw@panix.com>
10938 * genautomata.c (process_state_for_insn_equiv_partition):
10939 Use xcalloc for insn_arcs_array.
10940 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10941 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10943 2006-01-24 Richard Henderson <rth@redhat.com>
10945 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10946 update all callers.
10948 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10950 PR rtl-optimization/25890
10951 PR rtl-optimization/25905
10952 * combine.c (expand_compound_operation, expand_field_assignment):
10953 Fail if the bitfield's final position is out of bounds.
10955 2006-01-24 Ian Lance Taylor <ian@airs.com>
10957 PR middle-end/25930
10958 * cgraphunit.c (cgraph_output_in_order): Don't clear
10959 cgraph_asm_nodes until after asm strings have been output.
10961 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10963 * fix-header.c (read_scan_file): Add new parameter imultilib when
10964 calling register_include_chains.
10966 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10968 * omp-low.c: Update documentation.
10970 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10971 Daniel Berlin <dberlin@dberlin.org>
10975 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10976 return from the function.
10978 2006-01-22 Zack Weinberg <zackw@panix.com>
10980 * rtl.def (match_code): Add second argument.
10981 * genpreds.c (write_extract_subexp): New function.
10982 (write_match_code): Add path argument. Use write_extract_subexp.
10983 (write_predicate_expr): Pass path to write_match_code.
10984 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10985 not perform a mode test.
10986 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10987 a subexpression does not constrain the top-level code set.
10988 * read-rtl.c (read_rtx_variadic): New function.
10989 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10990 * doc/md.texi: Document new notation.
10991 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10992 (cmpsi_operand): ... here, using new notation.
10994 2006-01-22 Zack Weinberg <zackw@panix.com>
10996 * varray.c: Remove GENERATOR_FILE #ifdefs.
10998 2006-01-22 Zack Weinberg <zackw@panix.com>
11000 * genautomata.c (output_reserved_units_table): Emit nothing if
11001 description->query_units_num is zero. Remove extra blank line.
11002 (output_cpu_unit_reservation_p): Short circuit
11003 if description->query_units_num is zero.
11005 2006-01-22 Zack Weinberg <zackw@panix.com>
11007 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11008 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11009 nor any of the random handful of variables that used to be necessary
11010 when this program was linked with rtlanal.o. Prune set of forward
11011 function declarations.
11012 (struct attr_desc): Remove static_p field.
11013 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11014 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11015 (attr_string): Do not read the character one past the length of
11017 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11018 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11019 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11020 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11021 (make_automaton_attrs): New.
11022 (main): Do not call into genautomata. Call local gen_bypass
11023 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11024 Remove special case for insn_alts.
11025 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11026 varray.h (leftover from previous change). Prune set of forward
11027 function declarations. Remove state_alts fields from all
11028 structures. Remove state_alts_table from struct automaton.
11029 Make everything except main static. Do not maintain num_dfa_decls.
11030 Do not maintain state_alts fields of various structures.
11031 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11032 (add_arc): Remove state_alts argument. All callers updated.
11033 (output_reserved_units_table): Emit #ifdef here...
11034 (output_tables): ...not here. Don't generate state_alts tables.
11035 (expand_automata): Don't generate attributes.
11036 (write_automata): Don't generate state_alts functions.
11037 (main): New function.
11038 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11039 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11040 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11041 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11042 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11043 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11044 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11045 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11047 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11048 * genattrtab.h: Delete file.
11049 * Makefile.in (OBJS-common): Add insn-automata.o.
11050 (insn-automata.o): New rule.
11051 (simple_generated_c): Add insn-automata.c.
11052 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11053 (genprogmd): Add automata.
11054 (build/genattrtab): Needs no extra objects nor libraries.
11055 (build/genautomata): Needs build/vec.o and -lm.
11057 2006-01-22 Zack Weinberg <zackw@panix.com>
11059 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11060 (output_dfa_max_issue_rate, locked_states_num): Delete.
11061 (struct automaton): Add locked_states field.
11062 (output_dead_lock_vect): Save number of locked states in
11063 automaton->locked_states. If it is zero, don't print anything.
11064 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11065 (output_internal_dead_lock_func): Only test the dead_lock_vect
11066 for automata that have locked states.
11067 (output_statistics): Always print the number of locked states for
11068 each automaton. Calculate total number of locked states here.
11069 (write_automata): Don't call output_dfa_max_issue_rate.
11070 * genattrtab.c: Define length_unit_log as a const variable.
11071 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11072 max_insn_queue_index const.
11073 * final.c (length_unit_log): Declare const.
11074 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11076 2006-01-22 Zack Weinberg <zackw@panix.com>
11078 * genautomata.c: Include vec.h, not varray.h.
11079 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11080 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11081 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11082 VEC_* macros operating on appropriately typed vectors, or to
11083 malloced arrays when the size is known in advance. Const-ify
11084 many char* variables and function arguments. No functional changes.
11085 * Makefile.in (build/varray.o): Delete rule.
11086 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11087 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11089 2006-01-22 Zack Weinberg <zackw@panix.com>
11091 * gensupport.c: Define get_insn_name and record_insn_name here.
11092 (read_md_rtx): Call record_insn_name as appropriate.
11093 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11094 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11095 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11097 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11098 (BUILD_VARRAY): Delete.
11099 (genprognormal): Rename genprogmd. Fold in all programs from
11100 genprognoprint; also attrtab.
11101 (build/genattrtab): Just mention genautomata.o and varray.o.
11102 Reorganize a bit, add comments to make the categories clearer.
11104 2006-01-22 Zack Weinberg <zackw@panix.com>
11106 * genconditions.c (condition_table, add_condition): Delete.
11107 (write_conditions): Don't emit n_insn_conditions nor
11108 insn_elision_unavailable. Issue the gcc version #ifdef here,
11109 inside the table, with no #else clause ...
11110 (write_header): ...not here.
11111 (write_writer): New function.
11112 (main): Don't initialize condition_table. Use add_c_test.
11114 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11115 files on the command line.
11116 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11117 Return -1 if there is no entry in the table, don't abort.
11118 (add_c_test, traverse_c_tests): New functions.
11119 * gensupport.h (insn_elision_unavailable, insn_conditions)
11120 (n_insn_conditions): Delete declarations.
11121 (add_c_test, traverse_c_tests): Declare.
11122 * read-rtl.c: Include gensupport.h.
11123 (read_conditions): New function.
11124 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11125 (read_rtx_1): If we get EOF when we were looking for an initial
11126 open paren, return 0. Call read_conditions when appropriate.
11127 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11128 dummy-conditions.o. Eliminate references to insn-conditions.o,
11129 or change them to build/gencondmd.o, as appropriate. Remove
11130 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11131 from $(simple_generated_c). For all files remaining in those
11132 two lists, add insn-conditions.md to the generator command line.
11133 Give insn-constants.h/s-constants their own rules. Add rules
11134 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11135 (build/read-rtl.o): Depend on gensupport.h.
11136 (genprognormal): Include preds.
11137 (genprogearly): Rename genprognoprint; only difference is now that
11138 they don't link with $(BUILD_PRINT).
11139 * dummy-conditions.c: Delete.
11141 2006-01-22 Zack Weinberg <zackw@panix.com>
11143 * genextract.c: Don't include insn-config.h. Do include vec.h.
11144 Declare vectors of int, char, and locstr.
11145 (locstr): New typedef.
11146 (struct extraction): Make all array fields into bare pointers.
11147 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11148 (insn_code_number): Delete.
11149 (accum_extract): New struct.
11150 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11151 (gen_insn): Take insn_code_number as an argument. Use an
11152 accum_extract structure instead of loading data directly into
11153 a struct extraction, and having to know how big it might get.
11154 (walk_rtx): Operate entirely on an accum_extract structure.
11155 (print_path): Avoid unnecessary use of printf.
11156 (print_header): New function, split out of main. Distinguish
11157 more carefully between an unrecognizable insn and an insn that
11158 has the code number of a define_expand.
11159 (main): Pass insn_code_number to gen_insn. Call print_header
11160 only after parsing. Avoid unnecessary use of printf.
11161 * Makefile.in (build/vec.o): New rule.
11162 (build/genextract): Depend on build/vec.o.
11163 (build/genextract.o): Don't depend on insn-config.h.
11165 2006-01-22 Zack Weinberg <zackw@panix.com>
11167 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11168 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11169 practical. Eliminate per-generator-program link rules.
11171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11173 PR middle-end/24437
11174 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11175 with a call expr to ...
11176 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11178 2006-01-23 Richard Guenther <rguenther@suse.de>
11180 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11181 before make_edge with conditional EDGE_TRUE_VALUE.
11183 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11184 Jan Hubicka <jh@suse.cz>
11185 Richard Guenther <rguenther@suse.de>
11187 PR rtl-optimization/25654
11188 * cfgexpand.c (aggregate_contains_union_type): New function.
11189 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11190 for structure variables that contain a union type.
11192 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11194 * gengtype.c (new_structure): Return the structure.
11195 (create_option): Add an extra "next" argument.
11196 (create_field): New function.
11197 (adjust_field_rtx_def): Use create_option and create_field.
11198 Remove a now-unnecessary call to find_structure.
11199 (adjust_field_tree_def): Likewise.
11200 (note_yacc_type): Remove an unnecessary call to find_structure.
11201 * gengtype.h (new_structure): Return the structure.
11202 (create_option): Add an extra argument.
11203 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11204 (option): Adjust calls to create_option.
11206 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11208 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11210 2006-01-22 Paul Brook <paul@codesourcery.com>
11211 Peter Barada <peter@the-baradas.com>
11213 * config/m68k/m68k.md: Add Coldfire FPU support.
11214 Define FP mode macro and associated attributes.
11215 Use it for float mode patterns.
11216 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11217 (LIBCALL_VALUE): Use m68k_libcall_value.
11218 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11219 (m68k_function_value): Ditto.
11220 (emit_move_sequence): Ditto.
11221 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11222 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11223 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11224 (MULTILIB_EXCEPTIONS): Ditto.
11225 * config/m68k/m68k.opt: Add mcfv4e.
11226 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11227 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11228 (m68k_output_function_prologue): Save ColdFire FPU registers.
11229 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11230 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11231 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11232 ColdFire FPU registers.
11233 (m68k_libcall_value, m68k_function_value): New functions.
11234 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11235 (LIBCALL_VALUE): Use m68k_libcall_value.
11236 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11237 (MASK_COLDFIRE): Add MASK_CFV4E.
11238 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11239 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11240 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11241 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11242 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11243 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11244 * doc/invoke.tex: Document -mcfv4e on m68k.
11246 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11248 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11251 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11254 * c-opts.c (c_common_handle_option): Don't include
11255 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11256 * doc/invoke.texi (C++ Dialect Options): Document that
11257 -Wnon-virtual-dtor is no longer included in -Wall.
11259 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11261 * gcov.c (print_version), gcov-dump.c (print_version),
11262 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11265 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11267 * df-scan.c (problem_SCAN): Added NULL reset function.
11268 (df_scan_reset_blocks): Added code to call reset block function
11269 (df_bb_refs_delete) Fixed comment.
11270 (df_insn_refs_delete): Made tolerant of deleting non existent info
11271 for dataflow problems that need to be reset.
11272 * df-core.c (df_set_blocks): Ditto.
11273 * df.h (struct df_problem): Added reset_fun.
11274 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11275 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11276 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11277 functions to clear out all references to def-use or use-def chains.
11279 2006-01-21 Ben Elliston <bje@au.ibm.com>
11281 * varasm.c (assemble_real): Initialise data array.
11283 2006-01-20 Paul Brook <paul@codesourcery.com>
11285 Merge from csl-arm-branch.
11286 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11287 * config/arm/arm.md (movdi): Force operands[1] to a register
11288 if we have a non-register source.
11289 (*arm_movdi, *movdf_soft_insn): Require that one of the
11290 operands be a register.
11291 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11292 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11294 2006-01-20 DJ Delorie <dj@redhat.com>
11296 * varasm.c (initializer_constant_valid_p): Allow pointers
11297 initialized from integer constants of lesser precision.
11298 (output_constant): Allow non-int-sized pointer modes to be
11299 initialized from integer constants.
11301 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11304 * cppdefault.h (struct default_include): Add multilib flag.
11305 * cppdefault.c (cpp_include_defaults): Set it.
11306 * c.opt (-imultilib): New option.
11307 * c-opts.c (imultilib): New.
11308 (c_common_handle_option): Handle -imultilib.
11309 (c_common_post_options): Likewise.
11310 * c-incpath.c (add_standard_paths, register_include_chains):
11312 * c-incpath.h (register_include_chains): Add extra parameter.
11313 * gcc.c (do_spec_1): Generate -imultilib option.
11314 (The Specs Language): Update %I description.
11315 (process_command): Update copyright notice.
11316 * doc/cppopts.texi (-imultilib): Document.
11317 * doc/invoke.texi (-imultilib): Include in option summary.
11318 (%I): Update specs documentation.
11320 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11322 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11324 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11326 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11329 2006-01-20 Richard Guenther <rguenther@suse.de>
11330 Steven Bosscher <stevenb.gcc@gmail.com>
11332 PR rtl-optimization/24626
11333 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11334 EDGE_TRUE_VALUE if in RTL mode.
11337 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11338 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11340 2006-01-20 Dirk Mueller <dmueller@suse.com>
11343 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11344 instead of a special NOP marker.
11345 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11346 NOP marker handling.
11347 * c-common.h (empty_body_warning): Add forward declaration.
11348 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11349 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11351 2006-01-20 Paul Brook <paul@codesourcery.com>
11353 * Makefile.in (lang_checks): Keep going if mkdir fails.
11355 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11357 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11358 be able to clean out basic block when not necessary.
11359 (df_scan_free): Fixed to properly delete information if df is
11360 unused before calling df_finish.
11361 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11362 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11364 (df_bb_refs_delete): New function.
11365 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11366 * df-core.c (df_set_blocks): Added code to properly clean out
11367 unused blocks if they are not part of the blocks to consider.
11368 Added additional null check.
11369 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11370 be able to clean out basic block when not necessary
11371 * df.h (df_free_bb_function): Ditto.
11372 (df_bb_refs_delete): New function.
11373 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11374 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11375 basic block parameter to be able to clean out basic block when not
11377 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11378 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11379 Fixed to properly delete information if df is unused before
11382 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11384 PR rtl-optimization/25799
11385 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11386 Corrected confluence operator to remove bits from op2 before oring
11387 with op1 rather than removing bits from op1.
11388 (df_ru_transfer_function): Corrected test on wrong bitmap which
11389 caused infinite loop. Both of these problems were introduced in
11390 the dataflow rewrite.
11392 2006-01-19 DJ Delorie <dj@redhat.com>
11394 * reload1.c (find_reload_regs): Note the details of reload
11395 failures in the dump file.
11396 (spill_failure): Likewise.
11398 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11400 * loop-iv.c: Include df.h and hashtab.h.
11401 (enum iv_grd_result): New enum.
11402 (DF_REF_IV, DF_REF_IV_SET): New macros.
11403 (struct biv_entry): New.
11404 (df, bivs): New global variables.
11405 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11406 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11408 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11409 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11410 analyzed_for_bivness_p, record_biv): New functions.
11411 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11412 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11413 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11415 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11417 (iv_number_of_iterations): Use new interface to iv analysis.
11418 * loop-unroll.c: Do not include varray.h.
11419 (analyze_iv_to_split_insn): Use new interface to iv
11421 * loop-unswitch.c (may_unswitch_on): Ditto.
11422 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11424 (df_bb_modify): Realloc tables to the new index.
11425 (df_find_use): New function.
11426 * df.h (df_find_use): Declare.
11427 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11429 * cfgloop.h (struct rtx_iv): Remove analysed field.
11430 (iv_get_reaching_def): Removed.
11431 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11432 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11433 (loop-iv.o): Add df.h and hashtab.h dependency.
11434 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11436 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11439 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11441 (__floatundisf, __floatundidf): Likewise.
11442 * libgcc2.h (IS_IBM_EXTENDED): Define.
11444 2006-01-19 DJ Delorie <dj@redhat.com>
11446 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11448 2006-01-19 Paul Brook <paul@codesourcery.com>
11450 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11451 as nothrow when unwinding tables are disabled.
11453 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11456 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11457 of bit-field" when in system header.
11459 2006-01-19 DJ Delorie <dj@redhat.com>
11461 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11462 the 16 bit shift limit of the m16c.
11464 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11467 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11468 * config/i386/i386.c (output_set_got): Output the label if we have one
11469 for the TARGET_DEEP_BRANCH_PREDICTION case.
11471 2006-01-19 Jan Hubicka <jh@suse.cz>
11472 H.J. Lu <hongjiu.lu@intel.com>
11473 Evandro Menezes <evandro.menezes@amd.com>
11475 * invoke.texi (generic): Document
11477 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11478 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11479 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11480 (x86_use_incdec, x86_pad_returns): New variables
11481 (TARGET_CPU_DEFAULT_generic): New constant
11482 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11483 (enum processor_type): Add generic32 and generic64.
11484 * i386.md (cpu attribute): Add generic32/generic64
11485 (movhi splitter): Behave sanely when both partial_reg_dependency and
11486 partial_reg_stall are set.
11487 (K8 splitters): Enable for generic as well.
11488 * predicates.md (incdec_operand): Use TARGET_INCDEC
11489 (aligned_operand): Avoid memory mismatch stalls.
11490 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11491 * ppro.md: Enable for generic32
11492 * i386.c (generic64_cost, generic32_cost): New.
11493 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11494 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11495 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11496 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11497 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11498 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11499 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11500 x86_accumulate_outgoing_args, x86_prologue_using_move,
11501 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11502 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11503 Enable for generic.
11504 (x86_use_incdec, x86_pad_returns): New.
11505 (override_options): Add generic32 and generic64, translate "generic"
11506 to generic32/generic64 and "i686" to "generic32", refuse
11507 "generic32"/"generic64" as arch target.
11508 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11509 (ix86_reorg): Honor PAD_RETURNS.
11511 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11513 * tree-pretty-print.c (dump_generic_node): Handle
11514 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11515 * cgraph.c (cgraph_expand_queue): Rename from
11516 cgraph_analyze_queue. Update all users.
11517 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11518 cgraph_expand_queue.
11519 (cgraph_expand_all_functions): Likewise.
11520 (cgraph_finalize_pending_functions): Remove. Update callers.
11522 * tree.h (OMP_DIRECTIVE_P): Define.
11523 (OMP_PARALLEL_FN): Define.
11524 (OMP_PARALLEL_DATA_ARG): Define.
11525 (OMP_SECTIONS_SECTIONS): Define.
11526 * tree-pass.h (pass_expand_omp): Declare.
11527 * omp-low.c (struct omp_region): Declare.
11528 (struct omp_context): Remove fields 'parallel_type',
11529 'parallel_start_ix' and 'parallel_start_additional_args'.
11531 (struct omp_for_data): Rename from struct expand_omp_for_data.
11532 (omp_regions): New static variable.
11533 (root_omp_region): New static variable.
11534 (find_omp_clause): Make static.
11535 (is_in_combined_parallel_ctx): Remove.
11536 (is_combined_parallel): New.
11537 (extract_omp_for_data): Move earlier in the file.
11538 (workshare_safe_to_combine_p): New.
11539 (get_ws_args_for): New.
11540 (determine_parallel_type): Move earlier in the file.
11541 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11543 (omp_copy_decl): Likewise.
11544 (create_omp_child_function): Likewise.
11545 (lookup_omp_region): New.
11546 (dump_omp_region): New.
11547 (debug_omp_region): New.
11548 (debug_all_omp_regions): New.
11549 (new_omp_region): New.
11550 (scan_omp_parallel): If parallel_nesting_level > 1, the
11551 directive is nested within another parallel directive.
11552 Set OMP_PARALLEL_FN.
11553 (scan_omp_for): Do not try to handle combined parallel+for
11555 Remove FIXME comment.
11556 (scan_omp_nested): Remove.
11557 (scan_omp_1): Do not call scan_omp_nested when
11558 parallel_nesting_level is > 1.
11559 Do not change the DECL_CONTEXT of local variables found.
11560 (lookup_decl_in_outer_ctx): New.
11561 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11562 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11563 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11564 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11565 If CTX is nested, lookup VAR in the outer context when
11566 building copy assignment.
11567 (lower_send_clauses): Rename from expand_send_clauses.
11568 If CTX is nested, lookup VAR in the outer context when
11569 building copy assignments.
11570 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11571 If CTX is nested, lookup VAR in the outer context when
11572 building copy assignments.
11573 (expand_parallel_call): Rename from build_parallel_call.
11574 Handle combined parallel+workshare cases.
11575 Re-implement to emit code into the CFG.
11577 (expand_omp_parallel): Re-implement to emit code into the CFG.
11578 Call move_sese_region_to_fn to outline the sub-graph
11579 containing the parallel region.
11580 (expand_omp_for_1): Remove.
11581 (expand_omp_for_generic): Re-implement to emit code into the
11583 (expand_omp_for_static_nochunk): Likewise.
11584 (expand_omp_for_static_chunk): Likewise.
11585 (expand_omp_for): Likewise.
11586 (expand_omp_sections): Likewise.
11587 (remove_exit_barriers): New.
11588 (expand_omp_synch): New.
11590 (build_omp_regions_1): New.
11591 (build_omp_regions): New.
11592 (execute_expand_omp): New.
11593 (gate_expand_omp): New.
11594 (pass_expand_omp): Define.
11595 (lower_omp_sections): Rename from expand_omp_sections.
11596 Set OMP_SECTIONS_SECTIONS.
11597 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11598 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11599 (lower_omp_single): Rename from expand_omp_simple.
11600 (lower_omp_master): Rename from expand_omp_master.
11601 (lower_omp_ordered): Rename from expand_omp_ordered.
11602 (lower_omp_critical): Rename from expand_omp_critical.
11603 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11604 (lower_omp_for): Re-implement.
11605 (lower_omp_parallel): Re-implement.
11606 (lower_regimplify): Rename from expand_regimplify.
11607 (lower_omp_1): Rename from expand_omp_1.
11608 If there are syntax errors in the program, replace every
11609 OpenMP directive with NOP.
11610 Call lower_omp_* instead of expand_omp_*.
11611 (lower_omp): Rename from expand_omp.
11613 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11614 * tree-gimple.h (enum omp_parallel_type): Remove.
11615 (gimple_boolify): Declare extern.
11616 (find_omp_clause, determine_parallel_type): Remove.
11618 * gimple-low.c (lower_omp_directive): New.
11619 (lower_stmt): Call it.
11620 (record_vars_into): Move from ...
11621 (record_vars): ... here.
11622 Call record_vars_into with current_function_decl.
11624 * gimplify.c (struct gimplify_ctx): Remove fields
11625 combined_pre_p and combined_ctxp. Update users.
11626 (get_formal_tmp_var): Add documentation.
11627 (gimple_boolify): Make extern.
11628 (gimplify_expr_in_ctx): Remove. Update callers.
11629 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11630 will always be a BIND_EXPR.
11631 (gimplify_expr): Handle OMP_RETURN_EXPR.
11632 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11633 (OMP_PARALLEL): Add 3 operands.
11634 (OMP_SECTIONS): Add 1 operand.
11635 (OMP_RETURN_EXPR): Define.
11637 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11638 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11639 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11640 creating a circular free list.
11641 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11643 * tree-flow.h (move_sese_region_to_fn): Declare.
11644 (record_vars_into): Declare.
11645 * tree-cfg.c (make_omp_sections_edges): New.
11646 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11647 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11648 OMP_SECTIONS and OMP_SECTION.
11649 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11650 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11651 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11652 (gather_blocks_in_sese_region): New.
11653 (struct move_stmt_d): Declare.
11654 (move_stmt_r): New.
11655 (move_block_to_fn): New.
11656 (move_sese_region_to_fn): New.
11658 * passes.c (init_optimization_passes): Schedule
11659 pass_expand_omp after pass_init_datastructures.
11661 * tree-ssa-operands.c (get_expr_operands): Handle
11662 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11663 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11665 2006-01-19 Jeff Law <law@redhat.com>
11667 * tree-vrp.c (extract_range_from_assert): Refine the result range
11668 if the variable referenced by the ASSERT_EXPR has a range and
11669 either the tentative result range or the previous range is a
11672 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11674 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11676 2006-01-19 Jan Hubicka <jh@suse.cz>
11678 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11680 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11682 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11683 (expand_compound_operation, expand_field_assignment): Fail if the
11684 bit lengths of an extract operation are out of range.
11685 (make_extraction): Compute wanted_inner_mode based on the position
11686 and length of the extraction. Make it extraction_mode for non-constant
11687 positions, and do not modify offset in that case. When generating a
11688 new MEM, use a mode that can hold the extraction while keeping correct
11689 alignment. Remove code that supported MEMs wrapped by USEs.
11690 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11692 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11694 * config/s390/s390.md ("Y", "y"): New mode attribute.
11695 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11696 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11697 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11698 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11699 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11700 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11701 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11702 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11703 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11704 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11705 "addsi3", "subsi3"): Insn patterns removed.
11706 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11707 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11708 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11709 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11710 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11711 "*sub<mode>3_cconly2"): New insn patterns.
11712 ("addsi3", "subsi3"): New expanders.
11714 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11716 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11717 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11718 existing STMT_VINFO_VECTYPE if available.
11719 (vect_mark_relevant): Add special handling for stmts that are
11720 marked as STMT_VINFO_IN_PATTERN_P.
11721 (vect_analyze_loop): Call vect_pattern_recog.
11722 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11723 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11725 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11726 (vect_recog_func_ptr): New function-pointer type.
11727 * tree-vect-patterns.c: New file.
11728 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11729 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11730 (vect_pattern_recog_1): New functions.
11731 (vect_pattern_recog_funcs): New array of function pointers.
11733 * tree-vectorizer.h (ternary_op): New enum value.
11734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11735 declaration. Revised documentation. Removed redundant dump prints.
11736 Removed redundant argument. Added support for reduction patterns.
11737 (vectorizable_reduction): Added support for reduction patterns.
11738 (vect_transform_stmt): Added support for patterns.
11740 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11741 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11742 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11743 (expand_widen_pattern_expr): New function.
11744 (init_optabs): Initialize new optabs udot_prod_optab,
11746 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11747 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11748 (expand_widen_pattern_expr): New function declaration.
11749 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11751 * tree-inline.c (estimate_num_insns_1): Added cases for new
11752 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11753 * tree-pretty-print.c (dump_generic_node): Likewise.
11754 (op_prio): Likewise.
11755 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11756 * tree-ssa-operands.c (get_expr_operands): Added case for
11758 * tree-vect-patterns.c (widened_name_p): New function.
11759 (vect_recog_dot_prod_pattern): Added function implementation.
11760 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11761 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11762 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11763 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11765 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11766 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11767 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11768 (init_optabs): Initialize new optabs widen_ssum_optab,
11770 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11771 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11772 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11773 use instead of type of def.
11774 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11775 function implementation.
11776 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11777 widen_ssumv8hi): New.
11779 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11782 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11785 * c-decl.c (add_flexible_array_elts_to_size): New function.
11786 (finish_decl): Use it.
11788 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11790 * diagnostic.h: Include options.h.
11791 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11792 dependancies for diagnostic.h.
11793 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11795 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11797 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11798 (ssa_ro_call_cache_valid): Ditto.
11799 * tree-ssa-alias.c (sort_tags_by_id): New function.
11800 (init_transitive_clobber_worklist): Ditto.
11801 (add_to_worklist): Ditto.
11802 (mark_aliases_call_clobbered): Ditto.
11803 (compute_tag_properties): Ditto.
11804 (set_initial_properties): Ditto.
11805 (compute_call_clobbered): Ditto.
11806 (compute_may_aliases): Call compute_call_clobbered and grouping.
11807 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11808 (compute_flow_insensitive_aliasing): Grouping now happens in our
11810 (setup_pointers_and_addressables): Remove clobbering related code.
11811 (add_may_alias): Ditto.
11812 (replace_may_alias): Ditto.
11813 (get_nmt_for): Ditto.
11814 (create_global_var):
11815 (is_escape_site): Return an escape_type enumeration.
11816 * tree-flow-inline.h (is_call_clobbered): Global var does not
11817 imply call clobbered.
11818 (mark_call_clobbered): Take a reason for marking this. Remove
11819 marking of globalness, and cache invalidation.
11820 (clear_call_clobbered): Remove cache invalidation code.
11821 * tree-dfa.c (dump_variable): If details is on, dump the reason
11823 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11825 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11826 (struct var_ann_d): Ditto.
11827 (enum escape_type): New.
11828 (mark_call_clobbered): Adjust prototype.
11829 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11830 are never call clobbered.
11831 Record reasons for escaping.
11832 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11833 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11834 (ssa_ro_call_cache_valid): Ditto.
11835 (clobbered_v_may_defs): Ditto.
11836 (clobbered_vuses): Ditto.
11837 (ro_call_vuses): Ditto.
11838 (clobber_stats): New.
11839 (init_ssa_operands): Zero out clobber stats.
11840 (fini_ssa_operands): Print out clobber stats.
11841 (get_call_expr_operands): Pass callee fndecl to
11842 add_call_read_ops).
11843 (add_call_clobber_ops): Remove use of cache.
11844 Add use of PURE_CONST information.
11845 (add_call_read_ops): Remove use of cache.
11846 Add use of static not_read information.
11848 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11850 Introduce TLS descriptors for i386 and x86_64.
11851 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11852 (TARGET_ANY_GNU_TLS): New macro.
11853 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11854 (struct machine_function): Add tls_descriptor_call_expanded_p.
11855 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11856 (ix86_current_function_calls_tls_descriptor): Likewise.
11857 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11858 (override_options): Introduce gnu2 tls dialect.
11859 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11861 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11863 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11864 (ix86_init_machine_status): Initialize new field.
11865 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11866 (ix86_tls_module_base): New.
11867 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11868 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11869 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11870 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11871 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11872 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11873 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11874 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11875 * config/i386/predicates.md (tls_modbase_operand): New.
11876 (tp_or_register_operand): New.
11878 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11880 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11881 (look_for_address_of): Ditto.
11882 (ipa_init): Walk the function decls.
11883 (static_execute): Don't set readonly on FUNCTION_DECL's.
11885 2006-01-18 Roger Sayle <roger@eyesopen.com>
11887 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11888 for shifts where the source and destination registers are different.
11890 2006-01-18 Paul Brook <paul@codesourcery.com>
11892 Merge from csl-arm-branch.
11893 2005-03-14 Julian Brown <julian@codesourcery.com>
11894 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11895 (aeabi_llsl): Likewise.
11896 (ashrdi3): Likewise.
11897 (aeabi_lasr): Likewise.
11898 (lshrdi3): Likewise.
11899 (aeabi_llsr): Likewise.
11900 2005-03-10 Julian Brown <julian@codesourcery.com>
11901 * config.gcc: Disable shared libgcc for SymbianOS.
11902 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11904 2006-01-18 DJ Delorie <dj@redhat.com>
11906 * c-pragma.c (handle_pragma_diagnostic): New.
11907 (init_pragma): Register it.
11908 * doc/extend.texi: Document it.
11910 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11911 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11912 (diagnostic_context): Add classify_diagnostic[].
11913 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11914 as errors if they're overridden to DK_WARNING.
11915 (diagnostic_initialize): Initialize classify_diagnostic[].
11916 (diagnostic_set_kind_override): New.
11917 (diagnostic_report_diagnostic): Check for kind changes.
11918 * opts.c (common_handle_option): Take lang_mask. Update callers.
11919 Handle OPT_Werror_.
11920 * common.opt (Werror=): New.
11921 * doc/invoke.texi: Document -Werror=*
11923 2006-01-18 Jeff Law <law@redhat.com>
11925 * tree-vrp.c (test_for_singularity): Correct test for new
11926 min limit. Use operand_equal_p rather than pointer equality
11927 for testing if new min/max values are equal.
11929 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11930 using range information until after propagation and folding.
11932 2006-01-18 Richard Henderson <rth@redhat.com>
11933 Aldy Hernandez <aldyh@redhat.com>
11934 Jakub Jelinek <jakub@redhat.com>
11935 Diego Novillo <dnovillo@redhat.com>
11937 * omp-low.c: New file.
11938 * c-omp.c: New file.
11940 2006-01-18 Richard Henderson <rth@redhat.com>
11941 Jakub Jelinek <jakub@redhat.com>
11942 Diego Novillo <dnovillo@redhat.com>
11944 * doc/invoke.texi: Document -fopenmp.
11945 * tree-dump.h (debug_function): Declare.
11946 * hooks.c (hook_bool_tree_bool_false): New function.
11947 (hook_tree_tree_null): Remove.
11948 (hook_tree_tree_tree_null): New.
11949 * hooks.h: Update to match.
11950 * tree-pretty-print.c (debug_tree_chain): New.
11951 (print_generic_expr): Handle TDF_CHAIN.
11952 (dump_generic_node): Handle BLOCK.
11953 Do not abort with incomplete SWITCH_EXPRs.
11954 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11955 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11956 print space after directive name.
11957 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11958 Handle OMP_MASTER and OMP_ORDERED.
11959 Handle printing of OMP_BODY just in one place, goto
11960 dump_omp_body in the rest of OMP_* nodes that have
11962 Don't handle clause nodes here. Update omp statements to
11963 use dump_omp_clauses.
11964 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11965 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11966 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11967 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11968 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11969 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11970 Adjust output for GOMP_PARALLEL.
11971 (dump_omp_clauses): New.
11972 (print_declaration): Dump DECL_VALUE_EXPR.
11973 (op_symbol_1): Split out of op_symbol.
11974 (dumping_stmts): Remove. Update all users.
11975 * cgraph.c (cgraph_analyze_queue): New.
11976 (cgraph_add_new_function): New.
11977 * cgraph.h (cgraph_analyze_queue): Declare.
11978 (cgraph_add_new_function): Declare.
11979 (cgraph_lower_function): Remove.
11980 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11981 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11982 and TYPE_P nodes in its default clause.
11983 (empty_body_p): New.
11984 (tree_range_check_failed): New.
11985 (build5_stat): New.
11986 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11987 OMP_CLAUSE_REDUCTION_MERGE,
11988 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11989 OMP_CLAUSE_PRIVATE_DEBUG,
11990 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11991 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11992 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11993 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11994 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11995 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11996 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11997 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11998 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11999 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12000 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12001 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12002 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12003 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12004 (TREE_RANGE_CHECK): New.
12005 (empty_body_p): Declare.
12006 (enum omp_clause_default_kind): New.
12007 (build_string_literal): Declare.
12008 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12009 (build5_stat, build5): Declare.
12010 * tree-pass.h (TDF_CHAIN): Define.
12011 * tree-pass.h (PROP_gimple_lomp): Define.
12012 (pass_lower_omp): Declare.
12013 * diagnostic.h (debug_tree_chain): Declare.
12014 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12016 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12017 * builtins.c (build_string_literal): Make extern.
12018 * gcc.c (include_spec_function): New.
12019 (static_spec_functions): Add it.
12020 (main): Move load of libgomp.spec ...
12021 (LINK_COMMAND_SPEC): ... here.
12022 (link_gomp_spec): New.
12023 (static_specs): Include it.
12024 (LINK_COMMAND_SPEC): Add link_gomp.
12025 (GOMP_SELF_SPECS): New.
12026 (driver_self_specs): Include it.
12027 (switch_matches): Don't mark inline.
12028 (main): Load libgomp.spec.
12029 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12030 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12031 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12032 * tree-gimple.h (enum omp_parallel): Declare.
12033 (determine_parallel_type): Declare.
12034 (omp_firstprivatize_variable): Declare.
12035 (omp_reduction_init): Declare.
12036 (diagnose_omp_structured_block_errors): Declare.
12037 (struct walk_stmt_info): Add want_return_expr.
12038 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12039 (find_omp_clause): Declare.
12040 (insert_field_into_struct): Declare.
12041 (struct walk_stmt_info): Move from tree-nested.c
12042 (walk_stmts): Declare.
12043 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12045 * cgraphunit.c (cgraph_lower_function): Make static.
12046 (cgraph_finalize_pending_functions): New.
12047 (cgraph_finalize_function): Call it.
12048 (cgraph_finalize_compilation_unit): Likewise.
12049 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12050 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12051 (BT_FN_UINT_UINT): New.
12052 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12053 DEF_FUNCTION_TYPE_VAR_4): Document.
12054 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12055 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12056 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12057 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12058 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12059 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12060 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12061 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12062 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12063 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12064 into separate files.
12065 (DEF_GOMP_BUILTIN): New.
12066 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12067 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12068 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12069 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12070 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12071 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12072 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12073 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12074 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12075 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12076 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12077 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12078 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12079 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12080 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12081 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12082 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12083 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12084 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12085 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12086 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12087 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12088 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12089 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12090 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12091 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12092 * sync-builtins.def: New file, moved from builtins.def.
12093 * omp-builtins.def: New file, moved from builtins.def.
12094 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12095 * gimple-low.c (lower_function_body): Clear data.
12096 (lower_stmt): Do not handle COMPOUND_EXPR.
12097 Remove call to print_node_brief.
12098 * c-tree.h (c_finish_omp_clauses): New prototype.
12099 (C_DECL_THREADPRIVATE_P): Define.
12100 (lookup_name_no_remap, c_omp_remap_private): Remove
12101 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12102 (check_for_loop_decls): Update decl.
12103 (lookup_name_no_remap, c_omp_remap_private): Declare.
12104 (build_indirect_ref, build_modify_expr, pushdecl,
12105 pushdecl_top_level): Move to c-common.h.
12106 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12107 before the switch, but just in the 2 places that need it.
12108 * c-decl.c (diagnose_mismatched_decls): Do not check for
12109 mismatched thread-local attributes when OLDDECL is marked
12110 threadprivate and NEWDECL has no thread-local attributes.
12111 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12112 (c_gimple_diagnostics_recursively): Rename from
12113 c_warn_unused_result_recursively. Invoke
12114 diagnose_omp_structured_block_errors.
12115 (check_for_loop_decls): Return a singular decl found.
12116 * langhooks.c (lhd_omp_predetermined_sharing): Return
12117 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12118 (lhd_omp_firstprivatize_type_sizes): New.
12119 (lhd_omp_assignment): New.
12120 (lhd_omp_predetermined_sharing): New.
12121 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12122 (struct lang_hooks_for_types): Add
12123 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12124 omp_predetermined_sharing, omp_disregard_value_expr,
12125 omp_private_debug_clause, omp_clause_default_ctor,
12126 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12127 (c_finish_omp_clauses): New.
12128 (c_finish_bc_stmt): Diagnose break within omp for.
12129 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12130 (build_unary_op): Return error_mark after reporting
12132 (build_modify_expr): Likewise.
12133 * gimplify.c: Include optabs.h and pointer-set.h.
12134 (enum gimplify_omp_var_data): Declare.
12135 (struct gimplify_omp_ctx): Declare.
12136 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12138 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12139 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12140 (splay_tree_compare_decl_uid): New.
12141 (new_omp_context): New.
12142 (delete_omp_context): New.
12143 (gimple_add_tmp_var): Call omp_add_variable.
12144 (gimplify_bind_expr): Likewise.
12145 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12146 true, disregard DECL_VALUE_EXPR on the decl if any.
12147 (gimplify_expr_in_ctx): New.
12148 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12149 omp_add_variable, omp_notice_variable, omp_is_private
12150 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12151 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12152 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12153 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12154 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12155 gimplify_omp_atomic): New.
12156 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12157 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12158 OMP_CRITICAL and OMP_ATOMIC.
12159 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12160 * c-pragma.h (enum pragma_kind): Add
12161 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12162 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12163 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12164 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12165 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12166 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12167 PRAGMA_OMP_THREADPRIVATE.
12168 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12169 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12170 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12171 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12172 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12173 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12174 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12175 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12176 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12177 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12178 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12179 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12180 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12182 (struct nesting_info): Add field_map,
12183 suppress_expansion, debug_var_chain.
12184 (create_nesting_tree): Initialize them.
12185 (lookup_field_for_decl): Use field_map.
12186 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12187 (convert_local_omp_clauses): New.
12188 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12189 (walk_body): Split out of walk_function.
12190 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12191 (convert_nonlocal_reference): Handle omp statements.
12192 (convert_local_reference): Likewise.
12193 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12194 (unnest_nesting_tree): New.
12195 (lower_nested_functions): Call it.
12196 (insert_field_into_struct): Make extern.
12197 (struct walk_stmt_info): Move to tree-gimple.h.
12198 (walk_stmts): Make extern.
12199 * omp-builtins.def: New file.
12200 * tree-iterator.c (expr_only): Clarify comment.
12201 * c-common.h (pushdecl_top_level, pushdecl,
12202 build_modify_expr, build_indirect_ref,
12203 c_finish_omp_master, c_finish_omp_critical,
12204 c_finish_omp_ordered, c_finish_omp_barrier,
12205 c_finish_omp_atomic, c_finish_omp_flush,
12206 c_finish_omp_for, c_split_parallel_clauses,
12207 omp_clause_default_kind, c_omp_sharing_predetermined,
12208 c_omp_remap_decl): Declare.
12209 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12210 (OBJS-common): Add omp-low.o.
12211 (c-omp.o, omp-low.o): Add.
12212 (gimplify.o): Add dependency on $(OPTABS_H).
12213 (GTFILES): Add omp-low.c.
12214 (gt-stringpool.h): Add.
12215 * tree-cfg.c (set_bb_for_stmt): Do not update the
12216 block-to-labels map if we are currently expanding to RTL.
12217 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12219 Handle IDENTIFIER_NODE.
12220 (tree_verify_flow_info): Do not ICE when emitting error
12221 messages about invalid labels.
12222 (dump_function_to_file): Reset CFUN before emitting the body
12224 (debug_function): New.
12225 * passes.c (init_optimization_passes): Schedule
12227 * langhooks-def.h (lhd_omp_predetermined_sharing,
12228 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12230 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12231 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12232 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12233 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12234 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12235 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12236 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12237 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12238 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12239 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12240 (LANG_HOOK_DECLS): Use them.
12242 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12243 Richard Henderson <rth@redhat.com>
12244 Jakub Jelinek <jakub@redhat.com>
12245 Diego Novillo <dnovillo@redhat.com>
12247 * c-parser.c (pragma_omp_clause): Define.
12248 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12249 (c_parser_compound_statement): Likewise.
12250 (c_parser_statement): Likewise.
12251 (c_parser_pragma): Handle omp pragmas.
12252 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12253 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12254 (c_parser_omp_clause_name, check_no_duplicate_clause,
12255 c_parser_omp_variable_list,
12256 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12257 c_parser_omp_clause_copyprivate,
12258 c_parser_omp_clause_default,
12259 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12260 c_parser_omp_clause_lastprivate,
12261 c_parser_omp_clause_nowait,
12262 c_parser_omp_clause_num_threads,
12263 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12264 c_parser_omp_clause_reduction,
12265 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12266 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12267 c_parser_omp_atomic, c_parser_omp_barrier,
12268 c_parser_omp_critical, c_parser_omp_flush,
12269 c_parser_omp_for_loop, c_parser_omp_for,
12270 c_parser_omp_master, c_parser_omp_ordered,
12271 c_parser_omp_sections_scope, c_parser_omp_sections,
12272 c_parser_omp_parallel, c_parser_omp_single,
12273 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12274 * c-pragma.c (init_pragma): Do omp pragma registration here.
12275 * c.opt (fopenmp): New flag.
12277 2006-01-18 Eric Christopher <echristo@apple.com>
12279 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12280 * config/darwin.h (GOMP_SELF_SPECS): Define.
12282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12284 * rtl.h: Remove the prototype for reg_alloc.
12286 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12289 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12290 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12291 sjlj and dwarf2 exception handling.
12292 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12293 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12294 * pa/pa.c (function_value): Treat complex and vector types as
12296 (function_arg): Likewise. Only pass scalar floats in the floating
12297 point argument registers.
12298 * pa/t-slibgcc-dwarf-ver: New file.
12299 * pa/t-slibgcc-sjlj-ver: New file.
12300 * pa/t-slibgcc-elf-ver: Delete file.
12302 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12304 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12305 unlikely_test_section_p test.
12307 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12309 * mode-switching.c (optimize_mode_switching): Make it static.
12310 * basic-block.h: Remove the prototype for
12311 optimize_mode_switching.
12313 * modulo-sched.c (sms_schedule): Make it static.
12314 * rtl.h: Remove the prototype for sms_schedule.
12316 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12317 * rtl.h: Remove the prototype for gcse_after_reload_main.
12319 * reg-stack.c (reg_to_stack): Make it static.
12320 * rtl.h: Remove the prototype for reg_to_stack.
12322 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12324 * rtl.h: Remove the prototypes for regrename_optimize and
12325 copyprop_hardreg_forward.
12327 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12329 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12330 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12331 Test against the appropriate null constant for the mode.
12332 If 'fixup_overlap' is true, swap the operands if they overlap.
12333 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12334 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12335 alpha_split_tmode_pair and adjust for above change.
12336 * config/alpha/alpha.md (movtf_internal): Adjust call to
12337 alpha_split_tfmode_pair and rely on it to swap the operands.
12338 (movti_internal): New insn and post-reload splitter.
12339 (movti): New expander.
12341 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12343 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12346 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12348 * rtlanal.c (global_reg_mentioned_p_1,
12349 global_reg_mentioned_p): Remove.
12350 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12352 * flow.c (initialize_uninitialized_subregs): Make it static.
12353 * rtl.h: Remove the prototype for
12354 initialize_uninitialized_subregs.
12356 * function.c (instantiate_virtual_regs): Make it static.
12357 * function.h: Remove the prototype for
12358 instantiate_virtual_regs.
12360 * regmove.c (regmove_optimize, combine_stack_adjustments):
12362 * rtl.h: Remove the prototypes for regmove_optimize and
12363 combine_stack_adjustments.
12365 2006-01-17 Roger Sayle <roger@eyesopen.com>
12367 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12368 (size_cost): Encode costs in bytes so that a reg-reg addition is
12369 equivalent to COSTS_N_INSNS(1).
12370 (override_options): Use the size_cost.branch_cost as the default
12371 ix86_branch_cost when optimizing for size.
12373 2006-01-18 Ben Elliston <bje@au.ibm.com>
12375 * Makefile.in (D32PBIT_FUNCS): New.
12376 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12377 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12378 D64PBIT_FUNCS and D128PBIT_FUNCS.
12379 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12380 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12382 (decnumber_dep): Define.
12383 * doc/libgcc.texi (Decimal float library routines): New node.
12384 * config/dfp-bit.h, config/dfp-bit.c: New files.
12386 2006-01-18 Ben Elliston <bje@au.ibm.com>
12388 * expr.c (emit_move_change_mode): Always adjust addresses, not
12389 just during reload. Copy replacements only during reload.
12390 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12391 emit_move_via_integer.
12393 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12395 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12396 instead of $(srcdir) and ${srcdir}.
12398 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12401 PR middle-end/11135
12402 * arm.h (struct machine_function): Add pic_reg.
12403 * arm.c (arm_pic_register): Make unsigned.
12404 (arm_override_options): Only set arm_pic_register if
12405 TARGET_SINGLE_PIC_BASE.
12406 (use_return_insn): Only test for a pic register if it is fixed.
12407 (arm_compute_save_reg0_reg12_mask): Likewise.
12408 (thumb_compute_save_reg_mask): Likewise.
12409 (legitimate_pic_operand): Factor out some known invariants.
12410 (legitimize_pic_address): If we don't have a fixed pic register,
12411 then set up a pseudo in the function entry sequence. Handle the
12412 pic base being in a pseudo.
12413 (arm_load_pic_register): Handle the pic register being in a pseudo.
12414 (arm_expand_prologue): Only set up the pic register if it is fixed.
12415 (thumb_expand_prologue): Likewise.
12416 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12417 (pic_load_addr_based_insn): Likewise.
12418 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12421 2006-01-18 Ben Elliston <bje@au.ibm.com>
12423 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12424 decimal float modes for all floating point registers.
12426 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12427 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12429 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12432 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12433 even when the pointer is not NULL.
12435 2006-01-16 Ian Lance Taylor <ian@airs.com>
12437 * common.opt (ftoplevel-reorder): New option.
12438 * cgraph.c (cgraph_asm_nodes): New global variable.
12439 (cgraph_asm_last_node): New static variable.
12440 (cgraph_order): New global variable.
12441 (cgraph_create_node): Set new order field.
12442 (cgraph_varpool_node): Likewise.
12443 (decide_is_variable_needed): Return true if not
12444 flag_toplevel_reorder.
12445 (cgraph_add_asm_node): New function.
12446 * cgraph.h (struct cgraph_node): Add order field.
12447 (struct cgraph_varpool_node): Add order field.
12448 (struct cgraph_asm_node): Define.
12449 (cgraph_asm_nodes, cgraph_order): Declare.
12450 (cgraph_add_asm_node): Declare.
12451 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12453 (cgraph_varpool_assemble_pending_decls): Call it.
12454 (cgraph_output_pending_asms): New static function.
12455 (cgraph_finalize_compilation_unit): Call it.
12456 (struct cgraph_order_sort): Define.
12457 (cgraph_output_in_order): New static function.
12458 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12459 !flag_toplevel_reorder case.
12460 * c-parser.c: Include "cgraph.h".
12461 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12463 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12464 than -fno-unit-at-a-time.
12465 * doc/invoke.texi (Option Summary): Mention
12466 -fno-toplevel-reorder.
12467 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12468 -funit-at-a-time documentation.
12470 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12471 Kazu Hirata <kazu@codesourcery.com>
12473 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12475 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12477 * Makefile.in (FUNCTION_H): New. Use it instead of
12478 function.h throughout the file.
12479 * function.h: Include tree.h.
12481 2006-01-17 Ben Elliston <bje@au.ibm.com>
12483 * recog.c: Separate some functions with whitespace.
12485 2006-01-16 Richard Henderson <rth@redhat.com>
12487 Merge from gomp branch:
12488 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12489 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12490 and rename from struct inline_data. Rename callee* to dst*;
12491 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12492 transform_new_cfg, transform_return_to_modify, and
12493 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12495 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12496 (copy_decl_for_dup): Remove.
12497 * tree-inline.c (struct inline_data): Move to header.
12498 (insert_decl_map): Export.
12499 (remap_decl): Update for member name changes. Use copy_decl hook.
12500 Allow for replacement to be a non-decl. Remove dead code.
12501 (remap_type_1): Check for existing mapping.
12502 (remap_type): Export.
12503 (remap_decls): Update for member name changes.
12504 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12505 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12506 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12507 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12508 (tree_function_versioning, build_duplicate_type): Likewise.
12509 (copy_body_r): Likewise. Export.
12510 (copy_decl_for_dup): Split into ...
12511 (copy_decl_for_dup_finish, copy_decl_to_var,
12512 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12513 (replace_ref_tree, inlining_p): Remove.
12515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12517 * ifcvt.c (if_convert): Make it static.
12518 * rtl.h: Remove the prototype for if_convert.
12520 * local-alloc.c (local_alloc): Make it static.
12521 * rtl.h: Remove the prototype for local_alloc.
12523 * loop.c (loop_optimize): Make it static.
12524 * cfgloop.h: Remove the prototype for loop_optimize.
12527 2006-01-16 DJ Delorie <dj@redhat.com>
12529 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12532 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12534 * pa.md: Disparage copies between general and floating-point registers
12535 in 32-bit move patterns.
12537 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12540 * Makefile.in (check-%): Depend on site.exp instead of
12541 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12544 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12546 * global.c (global_alloc): Make it static.
12547 * rtl.h: Remove the prototype for global_alloc.
12549 2006-01-16 Richard Guenther <rguenther@suse.de>
12551 * tree-ssa-alias.c (struct used_part): Add write_only field.
12552 (get_or_create_used_part_for): Initialize it to true.
12553 (create_overlap_variables_for): Don't create structure variables
12554 for structures that only are written to.
12555 (find_used_portions): Handle MODIFY_EXPR to track whether a
12556 structure is only written to.
12558 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12560 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12562 * basic-block.h: Remove the prototype for
12563 partition_hot_cold_basic_blocks.
12565 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12567 * cppspec.c (lang_specific_spec_functions): Remove.
12568 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12569 * gcc.h (lang_specific_spec_functions): Remove.
12570 * gccspec.c (lang_specific_spec_functions): Remove.
12572 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12574 * combine.c (record_value_for_reg): Invalidate registers
12576 (record_dead_and_set_regs_1): Likewise, by passing them to
12577 record_value_for_reg.
12578 (record_dead_and_set_regs): Invalidate stores made by a
12579 call. We do not combine across a call, but we still
12580 relied on equivalences.
12582 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12584 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12585 vrp_int_const_binop returning non-constant nodes.
12587 2006-01-16 Paul Brook <paul@codesourcery.com>
12589 * config/m68k/m68k.c (output_move_const_into_data_reg):
12590 Output correct mnemonic for mvz and mvs.
12592 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12594 * rtl-factoring.c: Add sequence abstraction algorithm.
12595 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12596 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12598 (block_has_preserve_label): New function.
12599 * common.opt: Register new pass.
12600 * Makefile.in: Ditto.
12602 * timevar.def: Ditto.
12603 * tree-pass.h: Ditto.
12604 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12605 * rtl.h (make_jump_insn_raw): Add forward decl.
12606 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12608 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12609 Roger Sayle <roger@eyesopen.com>
12611 * fold-const.c (fold_minmax): New static function.
12612 (fold_binary) <MIN_EXPR>: Call it.
12613 <MAX_EXPR>: Likewise.
12614 * stor-layout.c (place_field): Use DECL_SIZE consistently
12615 in the computation of the new record size.
12617 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12619 * cse.c (cse_condition_code_reg): Make it static.
12620 * rtl.h: Remove the prototype for cse_condition_code_reg.
12622 * combine.c (combine_instructions): Make it static.
12623 * rtl.h: Remove the prototype for combine_instructions.
12625 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12628 * tree.c (get_file_function_name_long): Concatenate the first global
12629 object name with a string derived from the input filename of the object
12632 2006-01-16 Ben Elliston <bje@au.ibm.com>
12634 * config/i386/winnt-stubs.c: Update FSF address.
12635 * config/xtensa/ieee754-df.S: Ditto.
12636 * config/xtensa/ieee754-sf.S: Ditto.
12638 2006-01-14 Ian Lance Taylor <ian@airs.com>
12640 * ifcvt.c (noce_init_if_info): New static function, broken out of
12641 noce_process_if_block.
12642 (noce_process_if_block): Call noce_init_if_info.
12643 (check_cond_move_block): New static function.
12644 (cond_move_process_if_block): New static function.
12645 (process_if_block): Call cond_move_process_if_block.
12647 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12649 * cselib.c (hash_table): Rename to cselib_hash_table.
12650 (cselib_clear_table, discard_useless_values,
12651 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12652 cselib_init, cselib_finish): Adjust uses of hash_table.
12654 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12656 PR tree-optimization/25485
12657 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12658 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12659 is known to be false and true, respectively.
12661 2006-01-14 Richard Guenther <rguenther@suse.de>
12663 PR tree-optimization/22548
12664 PR tree-optimization/22555
12665 PR tree-optimization/22501
12666 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12667 * params.def (salias-max-array-elements): New parameter.
12668 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12669 * doc/invoke.texi (salias-max-array-elements): Document.
12670 * tree-flow-inline.h (var_can_have_subvars): We also handle
12672 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12674 * tree-ssa-structalias.c (params.h): Include.
12675 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12676 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12677 (get_constraint_for): For ADDR_EXPR operating on something
12678 containing an ARRAY_REF, add all subvars to the solution.
12679 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12680 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12681 for creating MUST_DEFs.
12682 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12684 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12686 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12688 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12689 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12690 number_of_iterations_le): New functions.
12691 (number_of_iterations_special): Removed.
12692 (number_of_iterations_exit): Do not use number_of_iterations_special.
12693 * tree.c (unsigned_type_for): Always return integer type.
12695 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12696 Richard Guenther <rguenther@suse.de>
12698 PR rtl-optimization/24257
12699 * gcse.c (find_moveable_store): Only consider a store movable
12700 when the SET_SRC of the insn can be assigned to a register.
12702 2006-01-14 Ian Lance Taylor <ian@airs.com>
12704 * tree.c (tree_not_class_check_failed): New function.
12705 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12706 (tree_not_class_check_failed): Declare.
12708 2006-01-13 Ian Lance Taylor <ian@airs.com>
12710 * reload1.c (do_output_reload): Add assertion rejecting a
12713 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12715 * combine.c (struct reg_stat): Add new fields truncation_label and
12717 (record_value_for_reg): Reset truncated_to_mode.
12718 (record_truncated_value): New function.
12719 (check_promoted_subreg): Call it. Rename to check_conversions.
12720 (combine_instructions): Rename check_promoted_subreg to
12722 (reg_truncated_to_mode): New function.
12723 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12724 (gen_lowpart_or_truncate): New function.
12725 (force_to_mode): Use it instead of gen_lowpart.
12727 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12729 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12730 VAR is a tag, not its type tag.
12732 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12734 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12735 alternatives to match style of other entries.
12736 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12738 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12740 PR tree-optimization/25771
12741 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12744 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12747 * tree-inline.c (declare_return_variable): If the return variable
12748 was marked as a non gimple complex, set the return slot variable
12749 to be a non gimple comple variable.
12751 2006-01-13 Richard Guenther <rguenther@suse.de>
12753 * builtins.c (expand_builtin_sincos): New function.
12754 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12756 (expand_builtin): Expand sincos using expand_builtin_sincos.
12758 2006-01-12 DJ Delorie <dj@redhat.com>
12760 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12761 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12762 so that constant shifts can be split.
12763 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12764 (m32c_valid_pointer_mode): Make static.
12765 (shift_gen_func_for): New.
12766 (m32c_prepare_shift): Use it. Split large const shifts into
12768 * config/m32c/predicates.md (shiftcount_operand): Allow more
12770 (longshiftcount_operand): New.
12771 * doc/md.texi (Machine Constraints): Document In6.
12773 2006-01-13 Ben Elliston <bje@au.ibm.com>
12775 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12776 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12779 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12781 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12782 to try to avoid clobbering pieces of structures when we know
12783 something about the whole structure.
12784 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12786 2006-01-13 Ben Elliston <bje@au.ibm.com>
12788 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12789 return in memory, as this is no limitation is no longer present.
12791 2006-01-12 DJ Delorie <dj@redhat.com>
12793 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12794 mova with fb, and for fb+0 -> An.
12796 * config/m32c/mov.md (peephole2): Fix enabling logic.
12798 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12799 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12800 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12801 FINI_ARRAY_SECTION_ASM_OP): Define.
12803 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12805 (m32c_legitimize_reload_address): New logic to reload FB to An.
12806 (m32c_output_reg_push): Add newline.
12807 (m32c_output_reg_pop): Likewise.
12809 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12811 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12813 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12815 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12817 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12819 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12822 2006-01-11 Ben Elliston <bje@au.ibm.com>
12824 * rtlanal.c (find_reg_note): Assert insn is not null.
12826 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12828 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12831 2006-01-11 Jeff Law <law@redhat.com>
12833 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12835 (mark_threaded_blocks, register_jump_thread): New functions.
12836 (thread_through_all_blocks): Remove unwanted argument. No
12837 longer rely on e->aux to communicate thread target info.
12838 Call mark_threaded_blocks. Release the threaded_blocks
12839 bitmap and threaded_edges vector when complete.
12840 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12841 (threaded_blocks): Remove.
12842 (tree_ssa_dominator_optimize): Remove initialization and
12843 finalization of threaded_blocks. Simplify call to
12844 thread_through_all_blocks.
12845 (thread_across_edge): Call register_jump_thread rather than
12846 storing thread information into e->aux.
12847 (free_all_edge_infos): Simplify now that e->aux is no longer
12848 used to communicate with thread_through_all_blocks.
12849 * tree-flow.h (thread_through_all_blocks): Update prototype.
12850 (register_jump_thread): Prototype.
12852 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12854 * df-core.c (df_compact_blocks, df_bb_replace): Use
12855 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12857 2006-01-11 Richard Guenther <rguenther@suse.de>
12859 PR tree-optimization/25734
12860 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12861 stop propagation after successful propagation to the LHS.
12863 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12865 * basic-block.h (control_flow_graph): Change the type of
12866 x_basic_block_info to VEC(basic_block,gc) *.
12867 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12869 (SET_BASIC_BLOCK): New.
12870 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12871 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12872 * cfgbuild.c (find_basic_blocks): Likewise.
12873 * cfglayout.c (fixup_reorder_chain): Likewise.
12874 * cfgrtl.c (create_basic_block_structure,
12875 rtl_create_basic_block): Likewise.
12876 * ifcvt.c (find_if_case_1): Likewise.
12877 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12880 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12882 * Makefile.in: Removed rotted odf.c entry.
12884 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12887 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12888 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12889 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12890 output pattern modifier, not %e.
12891 * config/cris/cris.c (cris_op_str): Update comment about pattern
12893 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12894 before falling through into...
12895 <case 'E'>: Redefined from old 'e' case.
12897 2006-01-11 Jan Hubicka <jh@suse.cz>
12900 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12902 2006-01-11 Jan Hubicka <jh@suse.cz>
12904 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12905 * i386.c (x86_decompose_lea): Kill.
12906 (ix86_rtx_costs): Kill.
12908 2006-01-11 Jan Hubicka <jh@suse.cz>
12910 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12911 * cgraph.h (cgraph_node): Add inline_decl.
12912 (cgraph_insert_node_to_hashtable): Declare.
12913 (save_inline_function_body): Declare.
12914 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12916 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12917 (cgraph_function_versioning): Update call of tree_function_versioning.
12918 (save_inline_function_body): New function.
12919 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12920 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12921 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12922 (cgraph_default_inline_p): Likewise.
12923 (cgraph_decide_inlining_incrementally): Likewise.
12924 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12925 (copy_bb): Kill saving; do updating of clones.
12926 (copy_cfg_body): Kill saving.
12927 (initialize_inlined-parameters): Likewise.
12928 (expand_call_inline): Likewise.
12930 (tree_function_versioning): New parameter "update_clones".
12931 (inlining_p): Kill saving.
12932 * tree-inline.h (tree_function_versioning): Update prototype.
12933 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12936 2006-01-11 Ian Lance Taylor <ian@airs.com>
12938 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12939 Allow undoing set of machine mode.
12940 (do_SUBST): Use enums instead of is_int.
12941 (do_SUBST_MODE): New function.
12942 (SUBST_MODE): New macro.
12943 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12944 reg and trying to replace reg_regno_rtx with a new register.
12945 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12946 (simplify_set): Use SUBST_MODE.
12947 (distribute_notes): Remove code that tried to update reg notes
12948 for regno_reg_rtx changes.
12950 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12952 PR tree-optimization/23109
12953 PR tree-optimization/23948
12954 PR tree-optimization/24123
12956 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12957 * tree-cfg.c (single_noncomplex_succ): New.
12958 * tree-flow.h (single_noncomplex_succ): Declare it.
12959 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12960 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12961 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12962 insert_bb, register_division_in, insert_reciprocals,
12963 replace_reciprocal, free_bb): New.
12964 (execute_cse_reciprocals_1): Rewritten.
12965 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12966 Do not commit any edge insertion. Always compute dominators and
12967 create the allocation pool.
12968 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12969 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12970 * targhooks.c (default_min_divistions_for_recip_mul): New.
12971 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12972 * passes.c (init_optimization_passes): Run recip after tree loop
12974 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12976 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12977 Kenneth Zadeck <zadeck@naturalbridge.com>
12979 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12980 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12981 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12982 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12983 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12984 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12985 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12986 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12987 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12988 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12989 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12990 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12991 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12992 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12993 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12994 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12995 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12996 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12997 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12998 DF_SCAN_POST_ALLOC): New macros.
12999 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13000 df_free_bb_function, df_local_compute_function, df_init_function,
13001 df_dataflow_function, df_confluence_function_0,
13002 df_confluence_function_n, df_transfer_function,
13003 df_finalizer_function, df_free_function, df_dump_problem_function,
13004 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13005 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13006 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13007 df_urec_bb_info, ) New types.
13008 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13010 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13011 df_analyze_simple_change_some_blocks,
13012 df_analyze_simple_change_one_block, df_compact_blocks,
13013 df_bb_replace, df_bb_regno_last_use_find,
13014 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13015 df_insn_regno_def_p, df_find_def, df_find_use,
13016 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13017 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13018 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13019 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13020 debug_df_chain, df_get_dependent_problem, df_chain_create,
13021 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13022 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13023 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13024 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13025 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13026 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13027 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13028 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13029 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13030 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13031 df_reorganize_refs, df_set_state, df_hard_reg_init,
13032 df_read_modify_subreg_p) New public functions.
13033 * df-core.c: The core dataflow solver and glue routines for rtl
13035 (df_init, df_add_problem, df_set_blocks, df_finish,
13036 df_hybrid_search_forward, df_hybrid_search_backward,
13037 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13038 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13039 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13040 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13041 df_reg_defined, df_find_use, df_reg_used, df_dump,
13042 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13043 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13044 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13045 debug_df_useno, reset_df_after_reload): New functions.
13046 * df-scan.c: The scanning fuctions, once in df.c, completely
13047 rewritten so that they now fully model the functionality of
13048 register usage at the backend.
13049 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13050 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13051 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13052 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13053 df_get_artificial_defs, df_get_artificial_uses,
13054 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13055 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13056 df_refs_delete, df_reorganize_refs, df_set_state,
13057 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13058 df_def_record_1, df_defs_record, df_uses_record,
13059 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13060 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13061 df_record_exit_block_uses, df_hard_reg_init): New functions.
13063 * df-problems.c: Seven concrete dataflow problems that use the
13064 scanning in df-scan.c and are solved by the engine in df-core.c.
13065 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13066 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13067 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13068 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13069 df_ru_free_bb_info, df_ru_alloc,
13070 df_ru_bb_local_compute_process_def,
13071 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13072 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13073 df_ru_transfer_function, df_ru_free, df_ru_dump,
13074 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13075 df_rd_free_bb_info, df_rd_alloc,
13076 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13077 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13078 df_rd_transfer_function, df_rd_free, df_rd_dump,
13079 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13080 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13081 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13082 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13083 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13084 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13085 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13086 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13087 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13088 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13089 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13090 df_urec_mark_reg_use_for_earlyclobber,
13091 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13092 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13093 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13094 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13095 df_chain_create_bb_process_use, df_chain_create_bb,
13096 df_chain_finalize, df_chain_free, df_chains_dump,
13097 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13098 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13099 df_reg_lifetime): New functions.
13100 * df.c: Deleted file.
13101 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13102 consistent with new df api.
13103 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13104 rest_of_handle_sms): Ditto.
13105 * web.c (unionfind_union, union_defs, entry_register, web_main):
13107 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13108 invariant_expr_equal_p, find_defs, check_dependencies,
13109 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13110 free_inv_motion_data, move_loop_invariants): Ditto.
13111 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13112 Update dependencies.
13113 (odf.c): Added defective entry that was deleted later in day.
13114 * sched-deps.c (sched_analyze_1): Ditto.
13116 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13118 * tree-ssa-operands.c (get_expr_operands): Record addressable
13119 variables directly. Do not call add_stmt_operands for CONST_DECLs
13121 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13122 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13124 2006-01-11 Ben Elliston <bje@au.ibm.com>
13126 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13127 function returns true in the positive case.
13129 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13132 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13133 for SI, DI, SF and DF modes. Add alternatives to copy between
13134 general and floating point registers to the 32-bit patterns.
13135 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13136 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13137 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13138 generating 64-bit code.
13139 * config/pa/pa.c (output_move_double): Handle copies between general
13140 and floating registers.
13142 2006-01-10 Stuart Hastings <stuart@apple.com>
13144 * config/i386/i386.md (set_got): Update.
13145 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13146 (builtin_setjmp_receiver): Mach-O support.
13147 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13148 (GOT_SYMBOL_NAME): Define.
13149 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13150 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13151 * config/i386/i386.c (override_options): Revise for Darwin.
13152 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13153 support. (darwin_x86_file_end): New. (output_set_got): Add label
13154 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13155 * config/i386/i386-protos.h (output_set_got): Likewise.
13156 * config/darwin.c (machopic_legitimize_pic_address): Update
13159 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13161 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13162 when MODE isn't BLKmode.
13164 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13166 PR rtl-optimization/25367
13167 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13169 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13172 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13173 for a negative bound.
13175 2006-01-10 Richard Guenther <rguenther@suse.de>
13177 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13178 Never override with anything constraint.
13180 2006-01-10 Jan Beulich <jbeulich@novell.com>
13182 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13183 256 bits when optimize_size.
13185 2006-01-10 Jan Beulich <jbeulich@novell.com>
13187 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13189 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13190 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13193 2006-01-10 Ben Elliston <bje@au.ibm.com>
13195 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13197 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13198 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13199 (USE_FP_FOR_ARG): Reject decimal float modes.
13200 (function_arg_advance): Likewise.
13201 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13202 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13203 point types in AltiVec vectors.
13204 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13205 (rs6000_libcall_value): Likewise.
13207 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13209 * config/xtensa/ieee754-df.S: New file.
13210 * config/xtensa/ieee754-sf.S: New file.
13211 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13212 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13213 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13215 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13217 * config/sh/predicates.md (binary_float_operator,
13218 binary_logical_operator, commutative_float_operator,
13219 equality_comparison_operator, greater_comparison_operator,
13220 less_comparison_operator, logical_operator,
13221 noncommutative_float_operator, shift_operator,
13222 symbol_ref_operand, unary_float_operator): Remove redundant
13225 2006-01-09 Jeff Law <law@redhat.com>
13227 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13228 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13229 now unused arguments. Callers updated.
13230 (eliminate_redundant_computations): Remove now unused arguments,
13232 (local_fold): Remove, no longer used.
13233 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13235 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13236 (simplify_cond): New function.
13237 (forward_propagate_into_cond): Call simplify_cond.
13239 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13241 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13242 (*vec_extractv2di_1_sse): New.
13244 2006-01-09 Ben Elliston <bje@au.ibm.com>
13246 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13248 2006-01-08 Richard Guenther <rguenther@suse.de>
13250 * tree-ssa-structalias.c (get_constraint_for): Remove
13251 anyoffset argument.
13252 (get_constraint_for_component_ref): Likewise.
13253 (do_deref): Likewise.
13254 (get_constraint_for): Likewise.
13255 (do_structure_copy): Likewise.
13256 (handle_ptr_arith): Likewise.
13257 (find_func_aliases): Likewise. Remove unused need_anyoffset
13260 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13261 Kaz Kojima <kkojima@gcc.gnu.org>
13263 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13264 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13265 (EXTRA_CONSTRAINT_C16): Remove.
13266 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13267 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13268 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13269 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13270 constants of SHmedia. Handle nested constant expressions of
13272 (andcosts): Fix the costs for SHmedia constants.
13273 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13274 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13275 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13276 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13277 (movv4hi_i, movv2si_i): Likewise.
13278 (movsi_const): Adjust the second operand of ior so to match with
13279 the Csu constraint.
13280 (movdi_const, movdi_const_32bit): Likewise.
13281 (movdi_const_16bit+1): Don't sign-extend LOW.
13282 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13284 (*double_shori): Fix the split condition. Use GEN_INT instead
13285 of get_int_mode calls. Mask lower 16-bit of the argument of
13287 (sym2GOTPLT): Remove.
13288 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13290 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13291 instead of EXTRA_CONSTRAINT_C16.
13293 2006-01-07 Ian Lance Taylor <ian@airs.com>
13294 David Edelsohn <edelsohn@gnu.org>
13296 PR rtl-optimization/25662
13297 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13298 for constant operands instead of simplify_gen_binary.
13299 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13300 after trying simplify_binary_operation
13302 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13304 * tree.c (iterative_hash_expr): Hash decls based on UID.
13306 2006-01-06 Eric Christopher <echristo@apple.com>
13308 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13309 (TARGET_UNWIND_EMIT): Fix spelling.
13310 * target.h (gcc_target): Add except_table_label.
13311 * except.c (output_function_exception_table): Use.
13312 * varasm.c (default_emit_except_table_label): New.
13313 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13315 (asm_out): Add here.
13316 * output.h (default_emit_except_table_label): Prototype.
13317 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13318 * config/darwin.c (darwin_emit_except_table_label): Define.
13319 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13321 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13323 PR tree-optimization/18527
13324 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13325 number_of_iterations_special, number_of_iterations_exit):
13326 Move base and step of an iv to a single structure. Add
13327 no_overflow flag, and use it in # of iterations analysis.
13328 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13329 folded_casts argument.
13330 (simple_iv): Pass base and step in a structure. Set no_overflow
13332 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13333 Evaluate expensiveness of computing # of iterations instead of
13334 the final expression.
13335 * tree-scalar-evolution.h (affine_iv): New structure.
13336 (simple_iv): Declaration changed.
13337 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13338 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13339 find_givs_in_stmt): Changed due to simple_iv change.
13341 2006-01-06 Jeff Law <law@redhat.com>
13344 * tree-cfg.c (bsi_replace): Rename final argument from
13345 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13346 change (stmt -> orig_stmt).
13347 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13348 (bsi_remove): Add new argument. Remove EH information
13350 (verify_eh_throw_table_statements): New function.
13351 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13353 * tree-optimize.c (execute_free_cfg_annotations): Verify
13354 the EH throw statement table after removing annotations.
13355 * except.h (verify_eh_throw_table_statements): Prototype.
13356 * tree-flow.h (bsi_remove): Update prototype.
13357 * tree-vrp.c (remove_range_assertions): Add new argument to
13359 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13360 * tree-complex.c (expand_complex_div_wide): Likewise.
13361 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13362 * tree-tailcall.c (eliminate_tailcall): Likewise.
13363 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13364 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13365 * tree-nrv.c (tree_nrv): Likewise.
13366 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13367 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13368 (combine_blocks): Likewise.
13369 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13370 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13371 (cleanup_control_flow): Likewise.
13372 (remove_forwarder_block): Likewise.
13373 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13374 * tree-sra.c (sra_replace): Likewise.
13375 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13376 (forward_propagate_single_use_vars): Likewise.
13377 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13378 * tree-inline.c (expand_call_inline): Likewise.
13379 * tree-vect-transform.c (vect_transform_loop): Likewise.
13380 * tree-outof-ssa.c (rewrite_trees): Likewise.
13381 * tree-cfg.c (make_goto_expr_edges): Likewise.
13382 (cleanup_dead_labels): Likewise.
13383 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13384 (bsi_move_before, bsi_move_after): Likewise.
13385 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13386 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13388 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13391 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13393 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13394 on non gimple variables. Also add checks at the top for decls and
13396 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13398 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13399 and IMAGPART_EXPR for creating MUST_DEFs.
13400 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13401 and NAME_MEMORY_TAG separately from the DECLs.
13403 2006-01-06 Richard Guenther <rguenther@suse.de>
13405 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13406 annotation, if necessary.
13407 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13408 redundant calls to update_stmt.
13409 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13412 2006-01-05 Richard Henderson <rth@redhat.com>
13414 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13416 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13418 * c-typeck.c: Update copyright date.
13420 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13422 * c-typeck.c (build_c_cast): Always warn when casting
13423 from a pointer to an integer of different size, even if
13424 the node was constant.
13426 2006-01-05 Richard Guenther <rguenther@suse.de>
13428 PR tree-optimization/22555
13429 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13430 if one structure field is an array.
13431 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13432 operands even if we found a subvar, but ignore VOPs in this
13434 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13436 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13438 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13440 PR middle-end/24998
13441 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13443 2006-01-05 Richard Guenther <rguenther@suse.de>
13444 Diego Novillo <dnovillo@redhat.com>
13446 * tree-pass.h (TODO_remove_unused_locals): Define.
13447 * gimple-low.c (expand_var_p, remove_useless_vars,
13448 pass_remove_useless_vars): Remove. Update all users.
13449 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13450 (remove_unused_locals): New function.
13451 * tree-flow.h (remove_unused_locals): Declare.
13452 * passes.c (execute_todo): Call remove_unused_locals if
13453 TODO_remove_unused_locals is set.
13454 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13455 * tree-ssa-dce.c (pass_dce): Likewise.
13456 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13458 2006-01-05 Richard Guenther <rguenther@suse.de>
13460 * tree-flow.h (struct fieldoff): Decompose field to
13461 type, size and decl.
13462 * tree-ssa-alias.c (create_sft): Take type as parameter.
13463 (create_overlap_variables_for): Store type, size and decl
13464 in the fieldoff structure.
13465 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13466 of struct fieldoff.
13467 (push_fields_onto_fieldstack): Likewise.
13468 (create_variable_info_for): Likewise. Use offset for the
13469 SFT name if the decl is not available.
13471 2006-01-04 Paul Brook <paul@codesourcery.com>
13473 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13475 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13477 * lambda-code.c (can_put_in_inner_loop): Relax
13479 (can_put_after_inner_loop): New function.
13480 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13481 (perfect_nestify): Change to make copies and modify uses.
13483 2006-01-04 Richard Henderson <rth@redhat.com>
13485 Merge from gomp branch:
13486 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13487 via integer constant.
13488 (pragma_lex): Remove.
13489 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13490 rather than parsing it.
13491 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13492 handle_pragma_extern_prefix): Add %< %> quotes.
13493 (registered_pragmas): New.
13494 (c_register_pragma_1): New.
13495 (c_register_pragma): Use it.
13496 (c_register_pragma_with_expansion): Likewise.
13497 (c_invoke_pragma_handler): New.
13498 (init_pragma): Use cpp_register_deferred_pragma directly for
13500 * c-pragma.h (enum pragma_kind): New.
13501 (pragma_handler): New.
13502 (c_invoke_pragma_handler): Declare.
13503 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13505 * c-common.h (c_common_pch_pragma): Update decl.
13506 * Makefile.in (c-parser.o): Update dependencies.
13507 (GTFILES): Add c-pragma.h.
13508 * c-parser.c (struct c_token): Add pragma_kind.
13509 (struct c_parser): Add in_pragma.
13510 (c_lex_one_token): Always initialize keyword and pragma_kind.
13511 Extract data for CPP_PRAGMA.
13512 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13513 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13514 Don't allow CPP_PRAGMA_EOL if in_pragma.
13515 (c_parser_consume_pragma): New.
13516 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13517 (c_parser_skip_to_end_of_parameter): Likewise.
13518 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13519 (c_parser_skip_to_pragma_eol): New.
13520 (c_parser_external_declaration): Handle CPP_PRAGMA.
13521 (c_parser_compound_statement_nostart): Likewise.
13522 (c_parser_statement_after_labels): Likewise.
13523 (c_parser_pragma): New.
13524 (pragma_lex): Likewise.
13525 (c_parser_pragma_pch_preprocess): New.
13526 (c_parser_new): Merge into ...
13527 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13529 2006-01-04 Jeff Law <law@redhat.com>
13532 * tree-cfg.c (bsi_replace): Remove the original statement
13533 from the EH throw statement table.
13535 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13537 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13538 make the prototype extern "C" and add throw ().
13541 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13542 and pos non-negative and pos + len <= 32.
13543 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13544 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13545 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13548 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13549 as well as sizes not multiple of component size.
13552 * function.c (instantiate_expr): New function.
13553 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13554 walk its DECL_VALUE_EXPR with instantiate_expr.
13556 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13557 DW_OP_deref{,_size} if address isn't going to be added.
13559 2006-01-04 Ben Elliston <bje@au.ibm.com>
13561 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13562 * config/fp-bit.c: Likewise.
13564 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13566 * dominance.c: Add comment about why we use DFS numbering
13569 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13570 Richard Henderson <rth@redhat.com>
13572 Merge from gomp-branch:
13573 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13574 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13576 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13578 PR rtl-optimization/25578
13579 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13580 pass a parameter to simplify_shift_const if changing ASHIFTRT
13583 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13585 * builtins.c (get_builtin_sync_mem): New function.
13586 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13587 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13588 Call get_builtin_sync_mem to generate mem rtx.
13590 2006-01-03 Richard Guenther <rguenther@suse.de>
13593 * stmt.c (add_case_node): Make sure to clear overflow flags
13596 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13598 Merge from gomp-branch.
13599 * config/sparc/sync.md: New file.
13600 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13601 UNSPECV_LDSTUB): New constants.
13602 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13603 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13604 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13607 2006-01-03 Roger Sayle <roger@eyesopen.com>
13609 * combine.c (reg_subword_p): New predicate to test whether the
13610 destination of a set refers to a subword/piece of a register.
13611 (try_combine): Generalize the code to merge the setting of a
13612 pseudo to a constant followed by a set of a subword of that
13613 register to a constant.
13615 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13617 * basic-block.h (control_flow_graph): Change the type of
13618 x_label_to_block_map to VEC(basic_block,gc) *.
13619 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13620 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13622 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13623 VEC(basic_block,heap) *.
13624 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13625 ssa_prop_fini): Adjust the uses of cfg_blocks.
13627 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13629 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13631 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13632 hashing trees instead of a pointer hash.
13633 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13634 compare for MEM_EXPR.
13636 PR rtl-optimization/25130
13637 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13638 when comparing MEMs for GCSE
13640 2006-01-03 Ben Elliston <bje@au.ibm.com>
13642 * targhooks.h (default_decimal_float_supported_p): Declare.
13643 * targhooks.c (default_decimal_float_supported_p): Define.
13644 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13645 `default_decimal_float_supported_p'.
13646 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13648 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13650 * combine.c (apply_distributive_law <SUBREG>): Check
13651 TRULY_NOOP_TRUNCATION.
13653 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13655 * dwarf2out.c (have_switched_text_section): Delete.
13656 (have_multiple_function_sections): New.
13657 (have_location_lists): Make 'bool'.
13658 (add_AT_loc_list): Use 'true' not '1'.
13659 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13660 (output_loc_list): Use have_multiple_function_sections.
13661 (output_ranges): Likewise.
13662 (dwarf2out_begin_function): Set have_multiple_function_sections if
13664 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13665 Check function_section rather than DECL_SECTION_NAME.
13666 (dwarf2out_finish): Use have_multiple_function_sections.
13667 Don't clear have_location_lists.
13669 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13670 Jan Hubicka <jh@suse.cz>
13672 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13673 case of conditional jump jumping to the next instruction.
13674 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13675 cases of conditional jump jumping to the next instruction.
13677 2006-01-02 Jan Hubicka <jh@suse.cz>
13679 * i386.c (*_cost): Add COSTS_N_INSNS.
13680 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13682 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13685 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13687 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13689 * config/arm/arm.c (all_fpus): Fix comment typo.
13690 * config/darwin.c: Likewise.
13691 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13692 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13693 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13695 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13697 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13698 (rs6000_split_compare_and_swapqhi): New.
13699 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13700 (sync_compare_and_swapqhi_internal): New.
13701 * config/rs6000/rs6000-protos.h: Declare.