1 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4 * c-typeck.c (build_external_type): Mark used enum types.
5 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7 (gen_subprogram_die): Whitespace fix.
9 2006-08-01 Jan Hubicka <jh@suse.cz>
11 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
12 bitmap when not needed.
13 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
16 2006-08-01 Dirk Mueller <dmueller@suse.de>
18 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
20 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22 * Makefile.in: Revert part of previous patch:
23 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
26 2006-07-30 Eric Christopher <echristo@apple.com>
29 * doc/extend.texi (i386 Variable Attributes): Add anchor.
30 (PowerPC Variable Attributes): New section.
32 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
34 PR target/28126 (partial fix)
35 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
37 2006-07-28 Jan Hubicka <jh@suse.cz>
39 PR rtl-optimization/28071
40 * cfgrtl.c (rtl_delete_block): Free regsets.
41 * flow.c (allocate_bb_life_data): Re-use regsets if available.
43 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
45 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
46 and variables used in dependencies.
48 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
50 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
51 %fs for -mcmodel=kernel.
52 (stack_tls_protect_test_di): Likewise.
54 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
56 * Makefile.in: Use mkinstalldirs.
58 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
61 * opts-common.c (prune_options): Skip joined switches.
63 2006-07-27 Jan Hubicka <jh@suse.cz>
65 PR rtl-optimization/28071
66 * cselib.c (cselib_process_insn): Don't remove useless values too
67 often for very large hashtables.
69 2006-07-27 Jan Hubicka <jh@suse.cz>
71 PR rtl-optimization/28071
72 * global.c (greg_obstack): New obstack.
73 (allocate_bb_info): Use it.
74 (free_bb_info): Likewise.
75 (modify_reg_pav): Likewise.
77 2006-07-27 Roger Sayle <roger@eyesopen.com>
79 * builtins.c (fold_fixed_mathfn): When long and long long are the
80 same size, canonicalize llceil*, llfloor*, llround* and llrint*
81 functions to their lceil*, lfloor*, lround* and lrint* forms.
83 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
86 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
88 (rev_branch_insn): Likewise.
90 2006-07-27 Jan Hubicka <jh@suse.cz>
92 PR rtl-optimization/28071
93 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
94 (reg_set_in_bb, max_reg_computed): New static variables.
95 (regmove_optimize): Free the new array.
96 (fixup_match_1): Update call of reg_is_remote_constant_p.
98 2006-07-26 Jan Hubicka <jh@suse.cz>
100 PR tree-optimization/27882
101 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
103 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
105 (cgraph_analyze_compilation_unit): Likewise.
106 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
107 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
108 (cgraph_early_inlinine): Make order garbage collected.
109 * Makefile.in (gt-ipa-inline): New garbagecollected file.
111 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
113 * dbxout.c (output_types_sort): Add a comment.
114 (output_used_types): Free the VEC.
116 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
118 * function.c (reorder_fix_fragments): Delete.
119 (reorder_blocks): Don't call it.
120 (reorder_blocks_1): Put all subblocks under the origin block.
122 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
124 PR rtl-optimization/27907
125 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
128 2006-07-25 Roger Sayle <roger@eyesopen.com>
131 * convert.c (convert_to_integer): When transforming (T)foo(x) into
132 bar(x) check that bar's result type can represent all the values of T.
134 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
136 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
138 2006-07-25 Nick Clifton <nickc@redhat.com>
140 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
142 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
143 (ggc_pch_count_object): Likewise.
144 (ggc_pch_alloc_object): Likewise.
145 (ggc_pch_write_object): Likewise.
146 (init_ggc): Do not attempt to initialize entries in the
147 size_lookup[] array for objects whose size is greater than than
148 the length of the array.
150 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
152 * dbxout.c (output_used_types_helper): Push queued types
154 (output_types_sort): New.
155 (output_used_types): Collect used types on a VEC and sort them
158 2006-07-24 Richard Guenther <rguenther@suse.de>
161 * cgraph.c (cgraph_remove_node): Do not check if dumps
163 * cgraphunit.c (cgraph_optimize): Likewise.
165 2006-07-24 Jan Hubicka <jh@suse.cz>
167 PR rtl-optimization/28071
168 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
169 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
170 splitting before first stmt.
172 2006-07-24 Jan Hubicka <jh@suse.cz>
174 PR rtl-optimization/28071
175 * ipa-inline.c (update_caller_keys): Remove edges that
176 are no longer inline candidates.
178 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
181 * dbxout.c (output_used_types_helper, output_used_types): New.
182 (dbxout_symbol): Call output_used_types.
184 2006-07-23 Jan Hubicka <jh@suse.cz>
188 * cgraph.c (cgraph_varpool_nodes): Export.
189 (decide_is_variable_needed): Ignored "used" attribute in
191 * cgraph.h (cgraph_varpool_nodes): Declare.
192 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
195 2006-07-23 Roger Sayle <roger@eyesopen.com>
198 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
199 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
200 the __gthrw form of thr_keycreate.
201 (__gthread_key_delete): Silence the unused argument warning.
203 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
206 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
207 Cache the last found '\0' marker to avoid quadratic behavior.
209 2006-07-23 Jan Hubicka <jh@suse.cz>
211 * i386.md (subsi_3_zext): Fix output template.
213 2006-07-21 Mike Stump <mrs@apple.com>
215 * doc/invoke.texi (C++ Dialect Options): Note that
216 -fvisibility-inlines-hidden doesn't affect explicitly
217 instantiationed inline methods.
219 2006-07-20 Roger Sayle <roger@eyesopen.com>
221 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
222 if the target assembler is GNU binutils' gas.
223 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
224 whether to pass GNU gas or native as command line options.
226 2006-07-20 Jason Merrill <jason@redhat.com>
228 * tree.c (remove_attribute): New fn.
229 * tree.h: Declare it.
231 2006-07-20 Paul Brook <paul@codesourcery.com>
234 * cse.c (cse_insn): Add destination addresses to hash table. Check if
235 they are invalidated by this instruction.
237 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
240 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
242 2006-07-20 Eric Christopher <echristo@apple.com>
245 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
247 2006-07-19 Eric Christopher <echristo@apple.com>
249 * config/t-slibgcc-darwin (stmp-lipo): Remove.
250 Rewrite dependencies for libgcc_s.1.dylib.
252 2006-07-19 Jakub Jelinek <jakub@redhat.com>
254 * except.c (duplicate_eh_regions_1): Clear next_peer.
256 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
258 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
259 -mlongcall does not guarantee all calls will be long.
260 * doc/extend.texi (long_call/short_call): Document that longcall
261 does not guarantee a long call will be used.
262 (longcall/shortcall): Likewise.
264 2006-07-18 Roger Sayle <roger@eyesopen.com>
267 * expmed.c (expand_shift): Additionally check that the shift_cost
268 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
269 before implementing a LSHIFT_EXPR as a sequence of additions.
270 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
271 middle-end that DImode shifts need to be synthesized by expand.
273 2006-07-18 Diego Novillo <dnovillo@redhat.com>
276 * tree-ssa-operands.c (access_can_touch_variable): Update
278 Return true if ALIAS is .GLOBAL_VAR.
280 2006-07-18 David Daney <ddaney@avtrex.com>
282 * gcc.c (display_help): Fix typo in help text.
284 2006-07-18 Olivier Hainque <hainque@adacore.com>
286 * tree.h (categorize_ctor_elements): Adjust prototype and add
287 descriptive comment, both in accordance with the interface change
289 * varasm.c (constructor_static_from_elts_p): New function.
290 Whether a constructor node is a valid static constant initializer
291 if all its elements are.
292 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
293 * output.h: Declare it.
294 * expr.c (categorize_ctor_elements_1): Return whether the constructor
295 is a valid constant initializer instead of computing the number of
296 non-constant elements. Use constructor_static_from_elts_p for this
297 purpose. Replace the head comment with an indication that this is a
298 helper for categorize_ctor_elements.
299 (categorize_ctor_elements): Same interface change as for the _1
300 helper. Former head comment from this helper moved here, adjusted to
301 account for the interface changes.
302 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
303 (all_zeros_p): Likewise.
304 * gimplify.c (gimplify_init_constructor): Decide whether we can make
305 static versions of the constructor from the categorize_ctor_elements
306 return value instead of the formerly computed number of non-constant
309 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
311 * configure: Regenerate.
312 * Makefile.in (build_libsubdir): New configure substitution
313 (build_libobjdir): New variable.
314 (BUILD_LIBIBERTY): Use it.
316 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
319 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
321 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
324 * c-common.c (handle_weakref_attribute): Ignore attribute in
325 the same conditions the alias attribute is ignored.
327 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
329 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
330 (dbxout_begin_prologue): Increment scope_labelno.
332 2006-07-17 Richard Henderson <rth@redhat.com>
335 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
338 2006-07-17 Roger Sayle <roger@eyesopen.com>
339 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
341 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
342 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
343 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
344 functions such as sbrk, write, etc.. Add function prototypes.
345 Convert function declarations from K&R to ISO C. Cast pointers
346 to "long" and "unsigned long" instead of "int" and "unsigned int".
347 Convert tokens following #endif into comments.
349 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
351 * invoke.texi: Remove mention of f77; Reformat table for
352 inline parameter options correctly; mention that -malign-double
353 is default on x86-64 targets.
355 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
357 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
358 (convert_affine_scev, chrec_convert_aggressive): Use
359 avoid_arithmetics_in_type_p. Do not check for the subtypes
362 2006-07-17 Richard Sandiford <richard@codesourcery.com>
365 * optabs.c (expand_doubleword_shift): Wrap the call to
366 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
368 2006-07-17 Richard Sandiford <richard@codesourcery.com>
371 * optabs.c (expand_binop): Pass next_methods rather than methods
372 to expand_doubleword_shift.
374 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
377 * tree.h (dump_addr): Declare.
378 * print-tree.c (dump_addr): New function.
379 (print_node_brief, print_node): Use it.
380 * print-rtl.c (print_rtx): Likewise.
381 * common.opt (-fdump-noaddr): New option.
382 * doc/invoke.texi (-fdump-noaddr): Document.
383 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
384 (ve_info_hash): Likewise.
386 2006-07-13 Andrew Haley <aph@redhat.com>
388 PR tree-optimization/19505
389 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
390 edge leaving this block, make sure that the destination of this
391 block has only one predecessor.
393 2006-07-17 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/28238
396 * tree-inline.c (copy_bb): Check if we produced valid
397 gimple copying and substituting a stmt. If not, gimplify
400 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
402 * optabs.c (maybe_encapsulate_block): New function extracted from...
403 (emit_libcall_block): ...here. Invoke it on the block of insns to
404 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
405 (emit_no_conflict_block): Likewise.
407 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
409 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
411 2006-07-15 Roger Sayle <roger@eyesopen.com>
413 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
414 a new NOP_EXPR case of the switch statement.
416 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
419 * stor-layout.c (place_field): Take the bit field with
420 an excessive size into account in the ms-bitfiled case.
423 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
424 the previous bit field.
426 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
429 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
431 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
433 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
434 signal frames correctly even when the signal was installed with
437 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
439 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
440 (dbxout_function_end): Use local label LFBB. Remove hook
442 (dbxout_source_line): Use local label LFBB.
443 (dbxout_block): Likewise.
444 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
445 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
446 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
449 2006-07-13 Janis Johnson <janis187@us.ibm.com>
451 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
453 2006-07-13 Jan Hubicka <jh@suse.cz>
455 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
457 * output.h (align_variable): Declare.
458 * varasm.c (align_variable): Export.
459 * value-prof.c (tree_value_profile_transformations): Recompute iterator
460 when basic block changed.
462 2006-07-13 Nick Clifton <nickc@redhat.com>
464 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
465 walking the LOG_LINKS chain.
467 2006-07-12 Geoffrey Keating <geoffk@apple.com>
469 * doc/invoke.texi (C++ Dialect Options): Explain difference
470 between -fvisibility-inlines-hidden and setting hidden
471 visibility explicitly.
473 2006-07-12 Eric Christopher <echristo@apple.com>
475 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
476 (stmp-lipo): Depend on libgcc.a.
478 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
480 * tree.c: Fix a comment typo.
482 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
484 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
486 (umulhisi3_r): Likewise.
488 2006-07-12 Paolo Carlini <pcarlini@suse.de>
491 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
492 x < 19, vs wchar_t support.
494 2006-07-12 Nick Clifton <nickc@redhat.com>
496 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
499 2006-07-12 Mike Stump <mrs@apple.com>
501 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
503 2006-07-10 Eric Christopher <echristo@apple.com>
505 * config/t-slibgcc-darwin: Rewrite.
507 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
510 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
513 2006-07-08 Matthias Klose <doko@debian.org>
515 * doc/sourcebuild.texi: Fix typo.
517 2006-07-07 Mike Stump <mrs@apple.com>
519 * toplev.c (process_options): Don't give -ffunction-sections may
520 affect debugging warning for Mach-O.
522 2006-07-07 James E Wilson <wilson@specifix.com>
524 * config/mips/mips.md (cpu): Add sb1a.
525 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
526 addition to sb1. Adjust comments to clarify SB-1A differences from
528 (ir_sb1a_load): New. Modify bypasses to use it.
529 (ir_sb1a_simple_alu): Likewise.
530 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
531 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
532 (mips_issue_rate): Add PROCESSOR_SB1A.
533 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
534 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
535 (TARGET_SB1): Add PROCESSOR_SB1A check.
536 (TUNE_SB1): Likewise.
538 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
539 * config/mips/mips.c (mips_store_data_bypass_p): New.
540 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
543 2006-07-08 Paul Brook <paul@codesourcery.com>
546 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
548 2006-07-07 Richard Guenther <rguenther@suse.de>
551 * tree.h (build_one_cst): Declare.
552 * tree.c (build_one_cst): New function.
553 * tree-ssa-math-opts.c (get_constant_one): Remove.
554 (insert_reciprocals): Use build_one_cst.
555 * fold-const.c (fold_plusminus_mult): Likewise.
557 2006-07-07 Roger Sayle <roger@eyesopen.com>
559 * pointer-set.c (pointer_set_destroy): Correct whitespace.
560 * cfgloopanal.c (dump_graph): Likewise.
561 * dojump.c (discard_pending_stack_adjust): Likewise.
562 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
564 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
565 * function.c (finalize_block_changes): Likewise.
566 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
567 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
568 * rtl.c (dump_rtx_statistics): Likewise.
569 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
571 * varray.c (dump_varray_statistics): Likewise.
572 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
573 decode_decimal64, encode_decimal128, decode_decimal128,
574 decimal_real_to_decimal): Likewise.
576 2006-07-07 Richard Guenther <rguenther@suse.de>
578 PR tree-optimization/28187
579 * tree-vrp.c (vrp_operand_equal_p): New function.
580 (vrp_bitmap_equal_p): Likewise.
581 (update_value_range): Use them to compare old and new
584 2006-07-06 Roger Sayle <roger@eyesopen.com>
586 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
587 a default case to switch statement to silence compiler warnings.
589 2006-07-06 Roger Sayle <roger@eyesopen.com>
592 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
593 the configured assembler supports the x87's ffreep mnemonic.
594 * configure: Regenerate.
595 * config.in: Regenerate.
597 * config/i386/i386.c (output_387_ffreep): New function.
598 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
599 (output_387_reg_move): Likewise.
601 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
603 Port to hosts whose 'sort' and 'tail' implementations
604 treat operands with leading '+' as file names, as POSIX
605 has required since 2001. However, make sure the code still
606 works on pre-POSIX hosts.
607 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
608 which says you should use "tail -c +N" rather than "tail +Nc".
609 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
611 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
613 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
616 2006-07-06 David Edelsohn <edelsohn@gnu.org>
619 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
620 PRE_{INC,DEC} of TFmode.
622 2006-07-06 David Edelsohn <edelsohn@gnu.org>
623 Alan Modra <amodra@bigpond.net.au>
626 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
629 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
632 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
633 Remove duplicate gtu.
635 2006-07-05 Jason Merrill <jason@redhat.com>
639 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
640 * c-common.c (handle_packed_attribute): So don't copy it here.
641 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
643 2006-07-05 Mike Stump <mrs@apple.com>
645 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
647 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
650 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
652 2006-07-05 Richard Guenther <rguenther@suse.de>
655 * config/i386/i386.md (*negdf2_1): Restrict pattern to
656 TARGET_SSE2 targets if using SSE math.
657 (*absdf2_1): Likewise.
659 2006-07-05 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/28162
662 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
663 make sure to convert the operands to the correct type.
665 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
667 PR tree-optimization/28218
669 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
670 to calculate and free the dominator information.
672 2006-07-04 Peter O'Gorman <peter@pogma.com>
674 * mklibgcc.in: chmod 644 before ranlib during install.
676 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
677 J"orn Rennecke <joern.rennecke@st.com>
679 * configure.ac (.eh_frame data check): Use diff -b.
681 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
684 * Makefile.in (BUILD_RTL): Add build/vec.o.
685 (build/gencondmd.o): Filter out -fkeep-inline-functions.
686 (build/genextract): Delete.
687 (build/genautomata): Likewise.
689 2006-07-04 Alan Modra <amodra@bigpond.net.au>
692 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
693 128-bit IBM long doubles for ABI_V4.
695 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
697 * tree.c (range_in_array_bounds_p): New predicate.
698 * tree.h (range_in_array_bounds_p): Declare it.
699 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
700 return a less conservative answer.
701 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
703 (IS_ELEMENT_FOR_GROUP): New macro.
704 (FOR_EACH_ACTUAL_CHILD): Likewise.
705 (next_child_for_group): New helper function.
706 (can_completely_scalarize_p): Take into account groups.
707 (sra_hash_tree): Handle RANGE_EXPR.
708 (sra_elt_eq): Likewise.
709 (lookup_element): Be prepared for handling groups.
710 (is_valid_const_index): Delete.
711 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
712 instead of is_valid_const_index.
713 <ARRAY_RANGE_REF>: New case.
714 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
715 is_valid_const_index.
716 <ARRAY_RANGE_REF>: Do not unconditionally punt.
717 (scan_dump): Dump info for groups too.
718 (decide_instantiation_1): Likewise.
719 (decide_block_copy): Assert that the element is not a group.
720 Propagate decision to groups.
721 (generate_one_element_ref): Handle RANGE_EXPR.
722 (mark_no_warning): Iterate over actual childs.
723 (generate_copy_inout): Likewise.
724 (generate_element_copy): Likewise.
725 (generate_element_zero): Likewise.
726 (generate_element_init_1): Likewise.
727 (dump_sra_elt_name): Handle RANGE_EXPR.
729 2006-07-03 Roger Sayle <roger@eyesopen.com>
731 PR tree-optimization/26251
732 * tree-ssa-threadupdate.c (redirection_block_p): New function.
733 (thread_block): When optimizing for size refuse to thread jumps
734 that would require duplication of blocks other than redirection
737 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
739 * configure.ac: Fix thinko in previous check-in.
740 * configure: Regenerate.
742 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
745 * configure.ac (for lang...): Simplify nesting of conditionals.
746 Test subdir_requires for non-enabled languages. Move processing
747 of lang_opt_files and lang_tree_fiels below that test.
748 * configure: Regenerate.
749 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
751 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
753 * doc/gcov.texi (Invoking Gcov): Add a missing word.
755 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
757 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
760 2006-06-29 Jason Merrill <jason@redhat.com>
767 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
768 * c-common.c (c_determine_visibility): Handle it here.
769 * c-decl.c (finish_decl): Call c_determine_visibility for
771 * flags.h (enum symbol_visibility): Sort from most to least visibility.
773 * varasm.c (default_assemble_visibility): Likewise.
774 * c-common.c (handle_visibility_attribute): Complain about trying
775 to give visibility to an already defined class, or trying to change
776 declared visibility. Always attach the attribute.
781 * attribs.c (decl_attributes): Ignore type-in-place attributes
782 once the type has been defined.
784 2006-06-29 Roger Sayle <roger@eyesopen.com>
787 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
788 to indicate the cpplib has issued an error message for us.
790 2006-06-29 Asher Langton <langton2@llnl.gov>
793 * config/i386/i386.c (ix86_output_function_epilogue): Don't
794 insert a label at the end of an function under Mach-O.
796 2006-06-29 Eric Christopher <echristo@apple.com>
797 Evan Cheng <evan.cheng@apple.com>
799 * predicates.md (vector_all_ones_operand): New.
800 (nonimmediate_or_sse_const_operand): Ditto.
801 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
802 * config/i386/i386.c (standard_sse_constant_opcode): Define.
803 (standard_sse_mode_p): Ditto.
804 (standard_sse_constant_p): Add case for -1 vector.
805 (ix86_expand_vector_move): Try to use.
806 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
807 Call standard_sse_constant_opcode.
808 (*movv4sf_internal): Ditto.
809 (*movv2df_internal): Ditto.
811 2006-06-29 Roger Sayle <roger@eyesopen.com>
813 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
814 of XEXP to extract the operands of a MATCH_CODE rtx.
816 2006-06-28 Andrew Pinski <pinskia@gmail.com>
818 * tree.c (tree_size): Do not waste tail padding in
819 struct tree_string and make the size be the same as
820 build_string will generate.
822 2006-06-28 Jason Merrill <jason@redhat.com>
825 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
826 may_aliases already in the tag's annotations to the bitmap.
828 2006-06-28 Roger Sayle <roger@eyesopen.com>
830 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
832 2006-06-28 Roger Sayle <roger@eyesopen.com>
834 * genpreds.c (generate_switch_p): New function.
835 (add_mode_tests): Push the new mode test down inside an AND expr
836 if this allows the switch-suitable MATCH_CODE to be near the root.
837 (write_match_code_switch): New function to write a MATCH_CODE as
839 (write_predicate_stmts): New function to write a predicate RTX
840 expression as a sequence of statements.
841 (write_one_predicate_function): Use write_predicate_stmts.
842 (write_tm_constrs_h): Likewise.
844 2006-06-26 Fred Fish <fnf@specifix.com>
846 * config/mips/t-sb1: New file.
847 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
850 2006-06-26 DJ Delorie <dj@redhat.com>
852 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
854 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
855 Jayant Sonar <jayants@kpitcummins.com>
856 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
858 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
859 (subsi3, subsi3_1, subsi3_2): New.
860 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
861 * config/m32c/mov.md (SI mov peephole): New.
862 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
863 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
865 2006-06-26 Olivier Hainque <hainque@adacore.com>
867 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
868 a CALL_EXPR target function declaration.
870 2006-06-26 Richard Guenther <rguenther@suse.de>
872 * tree.c (build_string): Do not waste tail padding in
875 2006-06-26 Richard Guenther <rguenther@suse.de>
877 * ggc-page.c (init_ggc): Add missing element to size_lookup
881 2006-06-23 Richard Guenther <rguenther@suse.de>
883 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
884 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
885 alignment requests instead. Add verification code.
886 Add struct tree_function_decl and struct tree_binfo size to
887 extra_order_size_table. Add missing element to size_lookup
890 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
893 * fold-const.c (const_binop): Be prepared for self returning zero.
894 Simplify code handling complex values.
896 2006-06-24 Olivier Hainque <hainque@adacore.com>
898 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
899 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
902 2006-06-24 Olivier Hainque <hainque@adacore.com>
904 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
905 ARRAY_REF, so have the callback called for the low bound expression.
907 2006-06-23 Janis Johnson <janis187@us.ibm.com>
909 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
910 * c-typeck.c (c_common_type): Disallow operations on decimal float
911 types and other float types.
912 * convert.c (convert_to_real): Don't ignore conversions involving
915 2006-06-23 Olivier Hainque <hainque@adacore.com>
917 * tree.c (max_int_size_in_bytes): New function, inspired from
918 code in function.c:assign_temp.
919 * tree.h (max_int_size_in_bytes): Declare.
920 * function.c (assign_temp): Use it.
921 * gimplify.c (create_tmp_var): Relax the assertions on the type
922 properties, not mandating constant size any more.
923 (force_constant_size): New static function.
924 (gimple_add_tmp_var): Use it, forcing variable size to a
925 constant upper bound if it is not constant on entry.
927 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
930 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
931 for initialization and setting of one_only flag to ...
932 (i386_pe_encode_section_info): ...here.
933 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
934 Recheck that the symbol has not been defined.
936 2006-06-23 Richard Guenther <rguenther@suse.de>
938 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
939 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
940 alignment requests instead. Add verification code.
941 Add struct tree_function_decl and struct tree_binfo size to
942 extra_order_size_table. Add missing element to size_lookup
945 2006-06-22 Roger Sayle <roger@eyesopen.com>
946 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
949 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
950 call to lang_hooks.types.type_for_mode returned NULL_TREE.
952 2006-06-23 Ben Elliston <bje@au.ibm.com>
954 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
955 negate dn -- manipulate it directly.
957 2006-06-22 Roger Sayle <roger@eyesopen.com>
958 Steven Bosscher <stevenb.gcc@gmail.com>
961 * reload1.c (gen_reload): Call mark_jump_label on the new insns
962 generated by gen_move_insn to add REG_LABEL notes if necessary.
964 2006-06-22 Bob Wilson <bob.wilson@acm.org>
966 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
967 (leaf_entry): Remove use of MIN_ESA.
969 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/28121
972 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
975 2006-06-21 DJ Delorie <dj@redhat.com>
977 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
979 (mulhisi3_r): Likewise.
981 2006-06-21 Richard Sandiford <richard@codesourcery.com>
984 * coverage.c (coverage_counter_alloc): Leave the index type
986 (coverage_counter_alloc): Use null arguments for operands 2 and 3
989 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
991 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
992 section from the "Options for Code Generation Conventions".
994 2006-06-21 Richard Henderson <rth@redhat.com>
998 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1000 (global_symbolic_operand): Allow weak symbols, even if local_p.
1002 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1004 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1005 (find_interesting_uses_address): Punt if above function returns true.
1007 2006-06-21 Richard Guenther <rguenther@suse.de>
1009 * configure: Regenerated.
1011 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1013 * config/mips/mips.c (function_arg): Where one part of a
1014 complex argument is in registers and the other part in the stack,
1015 return a REG not a PARALLEL.
1017 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1019 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1020 when cross-compiling. Do not substitute libstdcxx_incdir.
1021 * configure: Regenerated.
1023 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1025 * varasm.c (mergeable_string_section): Check for embedded NULs and
1026 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1027 rather than TREE_STRING_LENGTH bytes.
1029 2006-06-21 Richard Guenther <rguenther@suse.de>
1031 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1032 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1035 2006-06-21 Richrad Guenther <rguenther@suse.de>
1037 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1038 Limit iteration over the dominators.
1040 2006-06-20 Roger Sayle <roger@eyesopen.com>
1042 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1043 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1045 2006-06-20 Richard Guenther <rguenther@suse.de>
1046 Michael Matz <matz@suse.de>
1048 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1050 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1051 * et-forest.h (et_free_pools): Prototype new function.
1052 * et-forest.c (et_free_tree_force): Free parent occurrence.
1053 (et_free_pools): New function.
1054 * dominance.c (free_dominance_info): Free et-forest alloc
1057 2006-06-20 Roger Sayle <roger@eyesopen.com>
1059 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1060 integer modes, attempt to directly construct an integer constant.
1062 * fold-const.c (native_encode_vector): Determine the size of each
1063 element from the vector type instead of the first vector element.
1065 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1066 if all of its elements/components are constant.
1067 (build_constructor_from_list): Likewise.
1069 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1071 PR tree-optimization/27331
1072 * tree-data-ref.c (free_data_ref): New function.
1073 (create_data_ref): Fail if the data reference has unknown access
1075 (free_data_refs): Use free_data_ref.
1077 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1080 * tree-inline.c (setup_one_parameter): Strip useless
1081 type conversion before adding it to the IR.
1082 (declare_return_variable): Likewise.
1084 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1087 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1089 2006-06-19 Mike Stump <mrs@apple.com>
1091 * tree.c (variably_modified_type_p): VM arguments don't make the
1094 2006-06-19 Richard Guenther <rguenther@suse.de>
1096 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1097 type conversions after folding.
1099 2006-06-19 Richard Guenther <rguenther@suse.de>
1101 * ggc-page.c (extra_order_size_tab): Add entries with
1102 size of struct function and basic_block.
1103 (size_lookup): Extend to cover sizes up to 511.
1104 (ggc_alloc_stat): Adjust user.
1105 (ggc_pch_count_object): Likewise.
1106 (ggc_pch_alloc_object): Likewise.
1107 (ggc_pch_write_object): Likewise.
1109 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1111 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1112 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1115 2006-06-19 Denis Chertykov <denisc@overta.ru>
1117 * config/avr/libgcc.S : Correct my wrong previous commit.
1119 2006-06-19 Roger Sayle <roger@eyesopen.com>
1122 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1123 have stripped a SUBREG from the shift count, so we may need to
1124 convert_to_mode back to the type's mode before calling make_tree.
1125 Use new_amount instead of amount to avoid expanding a tree twice.
1127 2006-06-19 Richard Guenther <rguenther@suse.de>
1130 * fold-const.c (operand_equal_p): Check if the argument types
1131 have the same precision before stripping NOPs.
1133 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1135 Fix PR tree-optimization/27341
1136 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1138 * tree-complex.c (pass_lower_complex): Update SMT usage.
1140 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1142 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1143 Add a new alternative to the constraint strings. Add move of
1144 operand 1 to 3 to the splitter definition.
1145 ("doloop_si_long"): Second contraint alternative removed.
1147 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1149 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1150 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1152 (AVR_HAVE_MOVW) Define.
1153 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1154 (ASM_SPEC): Add avr25.
1155 (LINK_SPEC): Add avr25.
1156 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1157 (base_arch_s): Add new member 'have_movw_lpmx'.
1158 (avr_arch_types): Init 'have_movw_lpmx'.
1159 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1160 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1161 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1162 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1163 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1165 (avr_file_start): Do not output '.arh' derective.
1166 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1167 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1168 * config/avr/avr.md (mcu_enhanced): Delete.
1169 (mcu_have_movw): Define.
1170 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1171 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1172 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1173 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1174 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1175 attiny861 and at86rf401 devices.
1177 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1179 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1182 2006-06-17 Karl Berry <karl@gnu.org>
1184 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1185 doc/gccint.texi, doc/install.texi (@dircategory): Use
1186 "Software development" instead of "Programming", following
1187 the Free Software Directory.
1189 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1191 * config/i386/i386.c (legitimate_tls_address)
1192 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1193 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1194 (*tls_dynamic_gnu2_combine_64): Likewise.
1196 2006-06-16 Richard Guenther <rguenther@suse.de>
1199 * fold-const.c (negate_expr_p): Do not introduce undefined
1200 overflow in negating INTEGER_CSTs.
1201 (fold_negate_expr): Rename from negate_expr. Revert last
1202 change for folding BIT_NOT_EXPR. Change semantics to
1203 return NULL_TREE for non-simplified negations. Do not
1204 strip type conversions and unify type handling.
1205 (negate_expr): New function, wrap around fold_negate_expr
1206 but ensure building a tree always. Strip type conversions
1207 here, fold to result type.
1208 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1210 2006-06-16 Roger Sayle <roger@eyesopen.com>
1213 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1214 that (would) return their results in stack registers.
1216 2006-06-16 Michael Matz <matz@suse.de>
1217 Richard Guenther <rguenther@suse.de>
1219 * fold-const.c (fold_truthop): Only return new tree node if
1220 we canonicalized something.
1222 2006-06-16 Richard Guenther <rguenther@suse.de>
1224 * function.h (enum function_frequency): Move declaration
1225 out of struct function.
1226 (struct function): Move bool fields and the enum to the bitfield
1227 section. Reorder elements to avoid padding. Remove unused
1228 fields left over from the RTL inliner removal.
1229 * function.c (free_after_compilation): Do not zero removed fields.
1230 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1231 (ipa-type-escape.o): Likewise.
1233 2006-06-16 Richard Guenther <rguenther@suse.de>
1235 * cgraph.h (struct cgraph_local_info): Turn bool elements
1237 (struct cgraph_node): Likewise.
1238 (struct cgraph_varpool_node): Likewise.
1240 2006-06-15 Richard Guenther <rguenther@suse.de>
1242 * fold-const.c (fold_truth_not_expr): Rename from
1243 invert_truthvalue. Give it fold_* semantics to avoid
1245 (invert_truthvalue): New function. Wrapper around
1246 fold_truth_not_expr.
1247 (optimize_minmax_comparison): Avoid creating garbage.
1248 (fold_unary): Use fold_truth_not_expr for folding
1250 (fold_ternary): Replace uses of invert_truthvalue with
1251 fold_truth_not_expr where applicable.
1252 * tree.h (fold_truth_not_expr): Prototype.
1254 2006-06-16 Richard Guenther <rguenther@suse.de>
1256 PR tree-optimization/27781
1257 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1258 * ipa-pure-const.c (target.h): Include.
1259 (analyze_function): Do not analyze functions that do not
1262 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1265 * tree-dfa.c (referenced_vars_dup_list): Remove.
1266 (find_referenced_vars): Remove assert.
1267 (referenced_var_check_and_insert): Replace dup list with assert.
1268 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1269 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1271 2006-06-15 Richard Guenther <rguenther@suse.de>
1273 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1274 extra unused identifiers if not dumping.
1275 (create_variable_info_for): Likewise.
1277 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1279 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1280 (derive_constant_upper_bound): Derive more precise upper bound in
1281 common cases. Return type changed to double_int.
1282 (record_estimate): Reflect the changed return type of
1283 derive_constant_upper_bound.
1284 * double-int.c (double_int_zext, double_int_sext): Fix.
1286 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1288 * configure.ac (CFLAGS): Get them from the toplevel or from the
1289 configure invocation.
1290 * configure: Regenerate.
1291 * Makefile.in (CFLAGS): Substitute value provided by configure.
1293 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1296 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1297 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1298 rather than calling add_stmt on it.
1299 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1301 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1304 * reload1.c (reload): Remove registers returned by update_eliminables
1305 from used_spill_regs.
1307 2006-06-13 DJ Delorie <dj@redhat.com>
1309 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1311 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1313 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1314 html__strip_dir, html__mkdir_p. Enhance install-html target.
1315 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1316 * configure: Regenerate.
1318 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1320 * fold-const.c (fold_cond_expr_with_comparison): Check for
1321 Objective-C++ as language in deciding COND_EXPR transformation.
1323 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1326 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1327 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1328 * config/sh/lib1funcs.h (SL, SL1): Define.
1329 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1330 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1331 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1332 (OBJS_Os_4_200): New variable.
1333 ($(T)libgcc-Os-4-200.a): Use it.
1334 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1335 when dividing 1 and/or by 0.
1337 2006-06-13 Roger Sayle <roger@eyesopen.com>
1339 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1340 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1341 * configure: Regenerate.
1343 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1345 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1346 for real instruction.
1348 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1351 * haifa-sched.c (check_cfg): Handle special case.
1353 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1356 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1357 Add debug_info parameter. Chain the vars to the BLOCK instead
1358 of the BIND_EXPR if debug info are requested for them.
1359 (pop_gimplify_context): Adjust for above change.
1360 (gimple_add_tmp_var): Likewise.
1361 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1363 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1364 (convert_local_reference): Likewise.
1365 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1366 (finalize_nesting_tree_1): Request that debug info be emitted
1367 for debug_var_chain.
1369 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1371 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1372 for PR target/27863.
1374 2006-06-13 Richard Guenther <rguenther@suse.de>
1377 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1379 2006-06-13 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/27830
1382 * tree-inline.c (copy_body_r): For copying the operand
1383 of an ADDR_EXPR make sure to fold &* afterwards.
1385 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1387 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1388 lvalues in the fb_none case with side-effects.
1390 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1392 * tree-flow.h: Remove the prototype for
1393 compute_phi_arg_on_exit.
1394 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1395 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1398 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1400 * builtins.c (expand_builtin_return_addr): Only use
1401 frame_pointer_rtx when count == 0 and we are expanding
1402 __builtin_return_address.
1404 2006-06-12 Fred Fish <fnf@specifix.com>
1406 * config/mips/mips.c (mips_file_start): Create special section
1407 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1409 2006-06-11 Eric Christopher <echristo@apple.com>
1412 * stor-layout.c (place_field): Remove check for
1413 remaining_in_alignment when aligning at the end of a run.
1415 2006-06-11 Eric Christopher <echristo@apple.com>
1418 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1421 2006-06-11 Roger Sayle <roger@eyesopen.com>
1424 Revert incorrect fix for PR target/27158
1425 2006-05-08 Roger Sayle <roger@eyesopen.com>
1426 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1427 of a reg_equiv_constant if the result is a legitimate constant.
1429 2006-06-11 Roger Sayle <roger@eyesopen.com>
1432 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1433 extract a CONST_VECTOR element and interpret it as an integer.
1434 (vspltis_constant): Use const_vector_elt_as_int instead of the
1435 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1436 * config/rs6000/predicates.md (easy_vector_const): Consider
1437 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1439 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1442 * stor-layout.c (update_alignment_for_field): Don't add extra
1443 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1446 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1448 * config/mips/t-rtems: Add EL/EB multilib variants.
1450 2006-06-09 Mike Stump <mrs@apple.com>
1452 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1454 2006-06-09 David Daney <ddaney@avtrex.com>
1456 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1458 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1460 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1462 2006-06-09 Richard Guenther <rguenther@suse.de>
1464 PR tree-optimization/26998
1465 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1466 of signed types, only TYPE_MIN_VALUE is special, but for both,
1467 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1468 in this case, as is -fwrapv.
1470 2006-06-08 Mike Stump <mrs@apple.com>
1473 * config/darwin.c (darwin_asm_output_anchor): Disable
1474 -fsection-anchors on darwin for now.
1475 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1476 * rs6000/rs6000.c (optimization_options): Likewise.
1478 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1481 * config/i386/i386.c (classify_argument): Skip fields with invalid
1484 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1486 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1487 (cse_insn): Likewise for the stack_pointer_rtx.
1489 2006-06-08 Roger Sayle <roger@eyesopen.com>
1491 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1492 conditions from floating point comparisons.
1494 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1497 * expmed.c (struct alg_hash_entry): Fix type of field T
1498 to match synth_mult argument.
1499 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1501 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1504 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1507 2006-06-08 Richard Guenther <rguenther@suse.de>
1510 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1511 only, if overflow is defined and not trapping.
1512 (negate_expr): Likewise.
1514 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1516 PR tree-optimization/27872
1517 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1518 flag on the new exit edge of the unrolled loop.
1520 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1522 PR rtl-optimization/26449
1523 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1525 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1528 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1529 referenced_variables with matching DECL_UID's.
1530 (find_referenced_vars): Make sure duplicate list is empty to start.
1531 (referenced_var_p): Remove.
1532 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1533 Check if var is in the list, and add if needed. Update the duplicate
1534 list if a different var is in the list with the same DECL_UID.
1535 (add_referenced_var): Call routine to check and insert.
1536 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1537 * tree-flow.h (referenced_vars_dup_list): External declaration.
1539 2006-06-07 Fred Fish <fnf@specifix.com>
1541 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1544 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1547 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1548 the imaginary and real parts of a clobbered register.
1549 Emit insn to set the imaginary part.
1551 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1553 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1554 in lieu of unwind-dw2-fde.c.
1556 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1558 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1560 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1563 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1564 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1565 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1566 V4SImode temporaries and operations instead.
1568 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1570 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1573 2006-06-06 Mike Stump <mrs@apple.com>
1575 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1576 installing during build.
1578 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1580 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1582 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1583 * config/ia64/ia64.c (params.h): New header.
1584 (ia64_optimization_options): New function to adjust parameters.
1585 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1586 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1587 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1589 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1591 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1593 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1596 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1598 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1599 Victor Kaplansky <victork@il.ibm.com>
1601 PR tree-optimization/26360
1602 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1605 2006-06-04 Roger Sayle <roger@eyesopen.com>
1606 Andrew Pinski <pinskia@physics.uc.edu>
1609 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1610 for LABEL_DECL before calling DECL_WEAK.
1613 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1614 LABEL_DECL and PARM_DECL.
1616 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1620 * c-decl.c (grokdeclarator): Disallow variably modified types at
1621 file scope. Avoid marking shared array type of constant size as
1624 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1627 * c-common.c (fold_offsetof_1): Handle static members.
1629 2006-06-04 Eric Christopher <echristo@apple.com>
1631 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1632 (debug_rli): Output value for remaining_in_alignment.
1633 (update_alignment_for_field): Unconditionalize
1634 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1635 extra alignment code.
1636 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1637 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1638 * tree.h (record_layout_info_s): Remove prev_packed.
1639 * doc/extend.texi (ms_struct): Add documentation of format.
1641 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1643 * tree.h: Declare folding_initializer.
1644 * builtins.c (fold_builtin_constant_p): Give definite answer
1645 if folding inside an initializer.
1646 * fold-const.c: Define folding_initializer.
1647 (START_FOLD_INIT): Save and then set folding_initializer.
1648 (END_FOLD_INIT): Restore folding_initializer.
1650 2006-06-04 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/27039
1653 * fold-const.c (fold_comparison): Handle pointer comparison
1654 again for all comparison codes. Compare offsets in signed
1656 (fold_binary): Move code from here.
1658 2006-06-03 Roger Sayle <roger@eyesopen.com>
1661 * config/i386/i386.c (construct_container): Split static issued_error
1662 flag into issued_sse_arg_error, issued_sse_ret_error and
1663 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1664 requires the use of x87 registers and the user explicitly
1665 specified the -mno-80387 command line option.
1667 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1669 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1670 HAVE_DECL_SIGALTSTACK.
1672 (segv_handler): Use MC_FLD.
1673 * configure.ac: Check for a sigaltstack declaration.
1674 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1675 * configure: Regenerate.
1676 * config.in: Regenerate.
1678 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1681 * Makefile.in (stmp-fixinc): Fix typo.
1683 2006-06-02 Roger Sayle <roger@eyesopen.com>
1685 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1686 are type correct. Clean-up.
1687 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1688 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1690 2006-06-01 DJ Delorie <dj@redhat.com>
1692 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1693 shift, as we've disabled the "switch" insn that needs it.
1695 2006-06-01 Per Bothner <bothner@bothner.com>
1697 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1698 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1699 * c-ppoutput.c (cb_define): Don't increment line 0.
1701 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1703 * doc/invoke.texi: Add cpu_type power6.
1704 * config.gcc: Add cpu_type power6.
1705 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1706 to power5+ with Altivec.
1707 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1708 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1710 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1712 * config/avr/avr.h (SET_ASM_OP): Define.
1714 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1716 * config/bfin/bfin.c: Fix comment typos.
1718 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1721 * doc/install.texi: Document --enable-bootstrap and
1722 --disable-bootstrap.
1724 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1726 * doc/install.texi: Document that InfoZIP can replace jar.
1728 2006-05-31 Roger Sayle <roger@eyesopen.com>
1730 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1731 isn't available, directly generate the simpler x87 patterns without
1732 the (use (const_int 0)).
1733 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1734 implementation isn't available.
1735 (*negdf2_1): Likewise.
1736 (*negxf2_1): XF mode negation is always done using the x87.
1737 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1739 2006-05-31 Roger Sayle <roger@eyesopen.com>
1741 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1742 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1744 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1746 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1748 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1749 * config/bfin/bfin.c (basic-block.h): Include.
1750 (struct machine_function): New.
1751 (bfin_init_machine_status): New.
1752 (override_options): Initialize init_machine_status.
1753 (bfin_hardware_loop): New.
1754 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1755 (DEF_VEC_P (loop_info)): New.
1756 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1757 (struct loop_info): New.
1758 (loop_info): New typedef.
1759 (struct loop_work): New.
1760 (loop_work): New typedef.
1761 (DEF_VEC_O (loop_work)): New.
1762 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1763 (bfin_dump_loops): New.
1764 (bfin_bb_in_loop): New.
1765 (bfin_scan_loop): New.
1766 (bfin_optimize_loop): New.
1767 (bfin_reorg_loops): New.
1768 (bfin_reorg): Use bfin_reorg_loops.
1769 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1771 (I_REGNO_P): Simplify.
1772 (DP_REGNO_P, DPREG_P): New macros.
1773 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1774 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1775 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1776 Add LT_REGS, LC_REGS, LB_REGS.
1777 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1779 (REGNO_REG_CLASS): Deal with loop registers.
1780 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1782 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1783 New constants for loop registers.
1784 (UNSPEC_LSETUP_END): New.
1785 (seq_insns): New define_attr. Set it for appropriate insns.
1786 (movsi_insn): Add alternatives for move from/to
1787 loop count registers.
1788 (doloop_end): New define_expand.
1789 (loop_end): New define_insn.
1790 (define_split for bad doloop_end): New.
1791 (lsetup_with_autoinit): New define_insn.
1792 (lsetup_without_autoinit): New define_insn.
1793 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1794 * config/bfin/predicates.md (lc_register_operand): New.
1795 (lt_register_operand): New.
1796 (lb_register_operand): New.
1797 (nondp_register_operand): New.
1798 (nondp_reg_or_memory_operand): New.
1799 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1801 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1803 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1804 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1806 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1808 * Makefile.in (CATALOGS): Add po/ prefix.
1809 * configure: Regenerated.
1811 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1814 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1815 a shift operand before calling shift_op. Avoid redundant call of
1818 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1819 DJ Delorie <dj@redhat.com>
1821 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1822 we're inserting is a singlt-bit constant.
1824 2006-05-30 Roger Sayle <roger@eyesopen.com>
1826 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1827 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1829 2006-05-30 Roger Sayle <roger@eyesopen.com>
1831 PR tree-optimization/23452
1832 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1833 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1834 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1835 complex values and with -ffast-math for FP complex values.
1837 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1839 * c-common.h: Remove the prototype for yyparse.
1840 * rtl.h: Remove the prototype for init_loop.
1842 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1844 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1847 2006-05-30 Roger Sayle <roger@eyesopen.com>
1849 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1851 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1852 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1854 2006-05-30 Dirk Mueller <dmueller@suse.de>
1857 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1858 for CONSTANT_CLASS_P expresisons.
1860 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1863 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1865 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1867 PR tree-optimization/27779
1868 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1869 initial_condition instead of CHREC_LEFT.
1871 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1873 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1874 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1875 Make prototypes ISO C90.
1877 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1878 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1880 * see.c (see_analyze_one_def): Correct check.
1881 (see_get_extension_data): Check if extension is parallel.
1882 (see_get_extension_reg): Likewise.
1884 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1887 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1888 into register for (code == GTU).
1890 2006-05-29 Roger Sayle <roger@eyesopen.com>
1892 PR tree-optimization/24964
1893 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1894 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1895 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1896 abs(x)*abs(x) as x*x for scalar floating point modes.
1898 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1901 * lambda-code.c (perfect_nestify): Don't copy statements
1902 in the inner loop: move them to the inner loop header.
1904 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1907 * c-tree.texi: Document OpenMP directives and clauses.
1909 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1911 * varasm.c (globalize_decl): Fix indentation.
1913 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1916 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1917 pass_fre, pass_store_ccp, pass_copy_prop,
1918 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1919 pass_return_slot, pass_object_size, pass_lim,
1920 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1921 pass_loop_prefetch and pass_stdarg.
1923 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1925 * config/bfin/bfin.opt (mfdpic): New option.
1926 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1927 (EXTRA_MULTILIB_PARTS): Likewise.
1928 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1929 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1931 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1932 (CRT_CALL_STATIC_FUNCTION): New.
1933 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1935 (CRT_CALL_STATIC_FUNCTION): New.
1936 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1938 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1939 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1940 (initialize_trampoline): Changed to handle FD-PIC code generation.
1941 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1942 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1943 (override_options): Disallow -mid-shared-library -mfdpic combination.
1944 Can't do unaligned ops if FD-PIC.
1945 Turn off flag_pic if trying to generate non-id-shared-library
1946 non-fdpic code, since it's not supported.
1947 (bfin_assemble_integer): New function.
1948 (TARGET_ASM_INTEGER): Define.
1949 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1951 * config/bfin/crtn.s: Restore them.
1952 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1954 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1955 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1956 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1957 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1958 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1960 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1961 FDPIC_REGS and FDPIC_FPTR_REGS.
1962 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1963 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1964 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1965 (load_funcdescsi): New pattern.
1966 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1967 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1968 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1970 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1972 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1975 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1977 * tree-flow.h: Remove the prototype for add_type_alias.
1978 * tree-ssa-alias.c (add_type_alias): Remove.
1980 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1982 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1983 config/fr30/fr30.md, config/i386/i386-interix.h,
1984 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1985 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1986 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1987 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1988 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1989 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1990 Follow spelling conventions.
1991 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1992 Follow spelling conventions.
1994 2006-05-27 Richard Guenther <rguenther@suse.de>
1997 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1998 to produce a constant of value 1 of generic type.
2000 2006-05-27 Dirk Mueller <dmueller@suse.de>
2002 * cgraphunit.c (decide_is_function_needed): Fix wrong
2005 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2007 PR rtl-optimization/27661
2008 * reload.c (find_reloads): When reloading a VOIDmode constant
2009 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2010 use Pmode as mode of the reload register.
2012 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2014 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2015 is enabled at -O and above.
2017 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2020 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2023 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2026 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2027 for anonymous variables explicitly declared by front ends.
2029 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2031 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2032 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2033 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2034 ref-all pointers, run a finalization pass for them.
2035 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2036 (finalize_ref_all_pointers): New function.
2037 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2038 regular pointer type to a ref-all pointer type.
2039 (get_tmt_for): Return the special memory tag for ref-all pointers.
2041 2006-05-25 Richard Guenther <rguenther@suse.de>
2044 * fold-const.c (fold_binary): Do not look at the stripped
2045 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2047 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2049 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2050 for LT and GT if the computed range is effectively empty.
2052 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2055 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2056 mips_quad_format formats instead of ieee_single_format,
2057 ieee_double_format and ieee_quad_format formats, respectively.
2059 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2061 PR tree-optimization/27639
2062 PR tree-optimization/26719
2063 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2064 call to scev_probably_wraps_p.
2065 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2066 used_in_pointer_arithmetic_p, convert_step): Removed.
2067 (nowrap_type_p): New function.
2068 (scev_probably_wraps_p): Rewritten.
2069 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2070 chrec_convert if chrec_convert_aggressive might have been used.
2071 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2072 scev_direction): New functions.
2073 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2074 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2075 instead of convert_step.
2076 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2077 (convert_step): Declaration removed.
2078 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2080 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2082 * df-core.c: Added to header comments.
2083 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2084 df_ur_bb_info, df_urec_bb_info): Added comments.
2085 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2086 urec, ri problems): Fixed header comments.
2087 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2088 code from df_rd_transfer_function.
2090 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2092 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2093 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2094 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2096 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2098 * expr.c (undefined_operand_subword_p): New.
2099 (emit_move_multi_word): Do not generate move from undefined bits
2100 of a paradoxical subreg.
2102 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2104 PR rtl-optimization/27736
2105 * combine.c (replaced_rhs_value): New variable.
2106 (combine_instructions): Set it.
2107 (distribute_notes): When distributing a note in replaced_rhs_insn,
2108 check whether the value was used in replaced_rhs_value.
2110 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2113 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2114 add_referenced_var instead of add_referenced_tmp_var.
2115 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2116 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2118 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2119 tree_optimize_tail_calls_1): Use add_referenced_var.
2120 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2121 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2122 Use add_referenced_var.
2123 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2124 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2125 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2126 Use add_referenced_var.
2127 * tree-dfa.c (struct walk_state): Remove.
2128 (find_referenced_vars): Remove walk state and vars_found hash table.
2129 (make_rename_temp): Use add_referenced_var.
2130 (find_vars_r): Pass less parameters to add_referenced_var.
2131 (referenced_var_p): New. Is var in referenced_var hash table.
2132 (referenced_var_insert): Assert var isn't already in hash table.
2133 (add_referenced_var): Don't need walk_state parameter. Add var if it
2134 isn't already in the hash table.
2135 (add_referenced_tmp_var): Remove.
2136 (find_new_referenced_vars_1): Use add_referenced_var.
2137 * tree-ssa-pre.c (create_expression_by_pieces,
2138 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2139 Use add_referenced_var.
2140 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2141 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2142 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2144 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2145 vect_create_data_ref_ptr, vect_create_destination_var,
2146 vect_init_vector, vect_build_loop_niters,
2147 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2148 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2149 Use add_referenced_var.
2150 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2151 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2152 (add_referenced_var): Add prototype.
2153 * tree-ssa-structalias.c (get_constraint_for,
2154 intra_create_variable_infos): Use add_referenced_var.
2156 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2158 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2159 big-endian paradoxical subregs.
2160 * var-tracking.c (struct micro_operation_def): Document that,
2161 for modify micro operations, insn is the subsequent instruction.
2162 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2163 (var_reg_set, var_mem_set): ... new functions.
2164 (add_stores): Record subsequent insn.
2165 (compute_bb_dataflow): Use new functions for MO_USE.
2166 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2167 notes after the insn, and modify notes before the insn known
2168 to be the subsequent one.
2169 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2171 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2174 * config/i386/i386.c (ix86_expand_builtin): Use
2175 gen_sse3_monitor64 for TARGET_64BIT.
2177 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2179 PR rtl-optimization/26375
2180 PR rtl-optimization/26855
2181 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2183 (df_ru_bb_local_compute): Reversed statements and removed bogus
2184 comment explaining why they should be in wrong order.
2185 (df_ru_dump, df_rd_dump): Enhanced debug info.
2186 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2188 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2189 reaching uses and fixed space problem.
2191 2006-05-23 Jan Hubicka <jh@suse.cz>
2193 * cgraphunit.c (decide_is_function_needed): Also nested functions
2194 and functions declared inline can be optimized out at -O0.
2196 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2198 * doc/install.texi (Configuration): Remove reference to CrossGCC
2202 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2205 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2206 ix86_compare_emitted is non-NULL.
2208 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2211 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2214 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2216 PR rtl-optimization/25514
2217 * combine.c (replaced_rhs_insn): New variable.
2218 (combine_instructions): Set replaced_rhs_insn when trying to replace
2219 a SET_SRC with a REG_EQUAL note.
2220 (distribute_notes): Use replaced_rhs_insn when determining the live
2221 range of a REG_DEAD register.
2223 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2224 Anatoly Sokolov <aesok@post.ru>
2226 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2227 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2228 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2229 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2230 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2231 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2232 at90usb647, at90usb1286 and at90usb1287 devices.
2233 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2234 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2236 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2238 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2240 2006-05-22 Richard Guenther <rguenther@suse.de>
2243 2006-01-31 Richard Guenther <rguenther@suse.de>
2244 Paolo Bonzini <bonzini@gnu.org>
2246 * doc/install.texi (--disable-libgcc-math): Document.
2248 2006-05-22 Richard Guenther <rguenther@suse.de>
2251 2006-01-31 Richard Guenther <rguenther@suse.de>
2253 * doc/invoke.texi (-msselibm): Document.
2254 * target.h (expand_library_builtin): New target hook.
2255 * builtins.c (expand_builtin): Use expand_library_builtin.
2256 (default_expand_library_builtin): New function.
2257 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2258 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2259 (link_gcc_math_spec): Declare.
2260 (static_specs): Add link_gcc_math_spec.
2261 * expr.h (default_expand_library_builtin): Declare.
2262 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2263 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2264 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2265 * config/i386/i386.opt (msselibm): New target option.
2266 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2267 (ix86_init_sse_abi_builtins): New function.
2268 (ix86_expand_library_builtin): Likewise.
2269 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2270 (override_options): Handle error conditions wrt -msselibm.
2271 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2272 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2273 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2276 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2279 * c-common.c (self_promoting_args_p): Skip erroneous args.
2282 * c-decl.c (finish_struct): Skip erroneous fields.
2284 2006-05-22 Nick Clifton <nickc@redhat.com>
2286 * config/cris/cris.opt (march): Remove VarExists attribute.
2287 (max-stackframe=): Likewise.
2289 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2291 * doc/rtl.texi: Fix a typo.
2292 * see.c: Fix comment typos.
2294 * tree-ssa-structalias.h (alias_info): Remove num_references.
2296 2006-05-21 Mike Stump <mrs@apple.com>
2298 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2300 (darwin_pragma_options): Use BAD instead.
2301 (darwin_pragma_unused): Likewise.
2302 (darwin_pragma_ms_struct): Likewise.
2304 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2306 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2308 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2310 PR rtl-optimization/27671
2311 * simplify-rtx.c (simplify_relational_operation_1): Fix
2312 simplifications of (eq/ne (xor x y) y) and
2313 (eq/ne (xor x y) x).
2315 PR tree-optimization/26622.
2316 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2319 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2321 * tree-cfg.c: Prune whitespace.
2322 (debug_tree_cfg): Point to correct header containing the
2325 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2328 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2330 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2333 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2334 or sorry count is non zero.
2336 2006-05-20 Andreas Schwab <schwab@suse.de>
2338 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2340 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2341 Kenneth Zadeck <zadeck@naturalbridge.com>
2343 PR rtl-optimization/26855
2345 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2347 (df_scan_alloc): Added code to properly handle multiword hard
2348 registers and add all_blocks parameter.
2349 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2350 code to properly handle multiword hard registers.
2351 (df_rescan_blocks): Added code to remove deleted blocks from
2353 (df_ref_create_structure, df_ref_record): Added code to properly
2355 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2356 and set DF_REF_PARTIAL.
2357 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2358 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2359 (df_scan_add_problem): Added flags parameter.
2360 (df_ref_create_structure): Changed switching structure.
2361 (df_bb_refs_record): Fixed case where duplicate artificial refs
2362 were created. Changed location of flags.
2363 (df_record_entry_block_defs): Added code to make stack pointer
2364 live in entry block. Refined cases where frame pointer is needed.
2365 Changed location of flags.
2366 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2367 (df_set_state): Removed function.
2368 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2369 df_insn_create_insn_record, df_insn_refs_delete,
2370 df_ref_create_structure): Formatting changes.
2371 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2372 df_delete_basic_block): New function.
2373 (df_init): Changed location of flags.
2374 (df_add_problem): Added flags parameter and the way flags are
2376 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2377 debug_df_chain): Improved debugging output.
2378 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2379 (df_refs_chain_dump): Removed df parameter.
2380 (df_iterative_dataflow): Added consistency check.
2381 (df_prune_to_subcfg): Made public.
2382 (df_analyze_problem): Added blocks_to_init parameter and made
2384 (df_ref_record, df_bb_refs_record, df_mark_reg,
2385 df_record_exit_block_uses): Whitespace changes.
2386 (df_dump): Whitespace changes.
2387 * df.h: Some reordering to remove forward references.
2388 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2389 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2390 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2391 (dataflow.flags): New field.
2392 (df.flag): Deleted field.
2393 (df_alloc_function): Added additional bitmap parameter.
2394 (df_dependent_problem_function): New type.
2395 (df_problem.changeable_flags): New field.
2396 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2397 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2398 (df_mw_hardreg): New struct.
2399 (DF_INSN_UID_MWS): New macro.
2400 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2402 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2403 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2404 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2405 (df_set_state): Removed function.
2406 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2407 * df-problems.c (df_chain_dump): Removed df parameter.
2408 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2409 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2411 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2412 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2413 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2414 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2415 DF_REF_MUST_CLOBBER cases.
2416 (df_ru_bb_local_compute_process_def,
2417 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2418 df_lr_bb_local_compute, df_ur_bb_local_compute,
2419 df_chain_create_bb): Made subreg aware.
2420 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2421 df_lr_bb_local_compute, df_lr_bb_local_compute,
2422 df_chain_create_bb): Cleanup to use proper macros.
2423 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2424 code to fixup bitvectors.
2425 (df_ri_alloc): Cleared lifetime.
2426 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2427 df_create_unused_note): New function.
2428 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2429 REG_DEAD and REG_UNUSED notes as well as register information.
2430 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2431 df_chains_dump): Fixed crash if problem was never run.
2432 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2433 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2434 df_ri_add_problem): Processes flags in uniform manner.
2435 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2436 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2437 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2438 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2439 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2440 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2441 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2442 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2443 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2444 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2445 * see.c (see_initialize_data): Ditto.
2446 * final.c (rest_of_clean_state) Added regstack_completed.
2447 * rtl.h (regstack_completed): Ditto.
2448 * reg-stack.c (regstack_completed): Ditto.
2450 2006-05-19 Mike Stump <mrs@apple.com>
2452 * c-tree.h (default_conversion): Remove.
2453 * c-common.h (default_conversion): Add.
2455 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2457 * tree-vrp.c (valid_value_p): New function.
2458 (adjust_range_with_scev): Fail if the value of bound is not
2461 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2463 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2464 (mips_fallback_frame_state): Use syscall numbers to determine
2465 the appropriate li instruction for the current ABI. Only use
2466 __NR_sigreturn for o32.
2468 2006-05-19 Nicolas Setton <setton@adacore.com>
2470 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2471 * langhooks.c (lhd_dwarf_name): New function.
2472 * langhooks-def.h (lhd_dwarf_name): Declare.
2473 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2474 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2475 * ada/misc.c (gnat_dwarf_name): New function.
2476 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2478 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2480 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2482 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2483 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2484 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2485 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2486 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2487 determine the size of Wtype, etc.
2488 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2489 (swfloatfuncs): New variable.
2490 (dwfloatfuncs): Likewise.
2491 (lib2funcs): Remove floating-point conversion functions from
2492 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2493 the set of conversion routines needed. Allow entries to specify
2494 an object name, filename and word size. Update users accordingly.
2495 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2496 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2500 2006-02-08 Roger Sayle <roger@eyesopen.com>
2503 * config/fixtfdi.c: New libgcc source file.
2504 * config/fixunstfdi.c: New source file.
2505 * config/floatditf.c: New source file.
2506 * config/floatunditf.c: New souce file.
2507 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2508 files above instead of config/mips/_tilib.c.
2509 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2511 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2513 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2514 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2516 2006-05-18 Mike Stump <mrs@apple.com>
2518 Fix up vla, vm and [*] sematics.
2524 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2525 (c_vla_unspec_p): Add.
2526 (c_vla_type_p): Add.
2527 * c-decl.c (struct c_scope): Add had_vla_unspec.
2528 (build_array_declarator): Add support for [*].
2529 (grokdeclarator): Likewise.
2530 (grokparms): Likewise.
2531 (get_parm_info): Likewise.
2532 * c-objc-common.c (c_vla_unspec_p): Likewise.
2533 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2534 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2535 typeof when argument is a variably modified type not inside sizeof or alignof.
2536 (c_parser_direct_declarator_inner): Propagate errors.
2537 (c_parser_sizeof_expression): Add support for [*].
2538 (c_parser_parms_declarator): Initialize had_vla_unspec.
2539 (c_parser_parms_list_declarator): Likewise.
2540 * c-typeck.c (c_vla_type_p): Add.
2541 (composite_type): Add support for vla compositing.
2542 (comptypes_internal): Add support for vla compatibility.
2543 (c_expr_sizeof_expr): Evaluate vla arguments.
2544 * tree.c (variably_modified_type_p): Update comment for [*].
2546 2006-05-18 Michael Matz <matz@suse.de>
2549 * config.host: Make assignments to host_xmake_file cumulative.
2550 * config.host (*-darwin*): Test $host, not $target.
2552 2006-05-12 Stuart Hastings <stuart@apple.com>
2554 * config/i386/i386.opt (-mstackrealign): New flag.
2555 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2556 (ix86_handle_cconv_attribute): Emit error when
2557 force_align_arg_pointer attribute collides with too many regparms.
2558 (ix86_function_regparm): Limit regparms when used with
2559 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2560 Support stack-realigning prologue in non-main functions. Emit
2561 warning for nested functions under -mstackrealign, emit error for
2562 nested functions with force_align_arg_pointer attribute.
2563 * doc/extend.texi (force_align_arg_pointer): Document it.
2564 * doc/invoke.texi (-mstackrealign): Document it.
2566 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2568 PR rtl-optimization/27477
2569 * combine.c (try_combine): Don't split a parallel consisting
2570 of two sets into two individual sets if both sets reference
2573 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2575 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2576 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2578 * doc/options.texi (VarExists): Updated.
2580 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2582 * unwind-dw2.c: Add declarations for uw_update_context and
2584 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2585 detected, advance frame state and context once to skip over stub.
2587 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2591 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2592 Call rewrite_into_loop_closed_ssa only when something changed.
2593 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2594 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2595 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2596 Test for perfect_nest_p here. Fix formating.
2597 (replace_uses_equiv_to_x_with_y): Fix formating.
2598 (stmt_uses_op): Removed.
2599 (can_convert_to_perfect_nest): Removed loopivs parameter.
2600 Complete the test by checking the scalar dependences.
2601 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2604 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2607 From Dan Kegel <dank@kegel.com>:
2608 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2610 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2612 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2613 if the element type is variably modified without recursing.
2615 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2618 * tree-loop-linear.c (try_interchange_loops): Test for
2619 no data dependences.
2621 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2623 PR tree-optimization/27548
2624 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2625 range of ssa names that appear on abnormal edges.
2626 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2627 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2629 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2632 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2634 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2637 * tree.h (OMP_PARALLEL_COMBINED): Define.
2638 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2639 (new_omp_context): Add is_combined_parallel argument.
2640 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2641 new_omp_context caller.
2642 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2643 Adjust gimplify_scan_omp_clauses callers.
2644 (omp_is_private): Issue errors if iteration variable is firstprivate
2645 or reduction in the current context.
2646 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2647 on combined parallel workshare constructs.
2649 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2651 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2652 (gcc-options.o): New rule.
2654 * optc-gen.awk: Protect variables for gcc-options.o with
2655 #ifdef GCC_DRIVER/#endif.
2657 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2659 Fix PR tree-optimization/27373
2660 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2661 (forward_propagate_addr_expr): Update call.
2663 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2665 * doc/options.texi: Move the Negative option.
2667 2006-05-16 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/22303
2670 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2672 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2673 ccp_fold did not simplify the statement.
2675 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2678 * Makefile.in (GCC_OBJS): New.
2679 (OBJS-common): Add opts-common.o.
2680 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2681 (cpp$(exeext)): Likewise.
2682 (gcc.o): Also depend on opts.h.
2683 (opts-common.o): New.
2685 * common.opt (gcoff): Add Negative(gdwarf-2).
2686 (gdwarf-2): Add Negative(gstabs).
2687 (gstabs): Add Negative(gstabs+).
2688 (gstabs+): Add Negative(gvms).
2689 (gvms): Add Negative(gxcoff).
2690 (gxcoff): Add Negative(gxcoff+).
2691 (gxcoff+): Add Negative(gcoff).
2692 * config/i386/i386.opt (m32): Add Negative(m64).
2693 (m64): Add Negative(m32).
2695 * doc/options.texi: Document the Negative option.
2697 * gcc.c: Include "opts.h".
2698 (main): Call prune_options after expandargv.
2700 * optc-gen.awk: Generate common declarations for all flag
2701 variables in options.c. Output the neg_index field.
2703 * opts.c (find_opt): Moved to ...
2704 * opts-common.c: Here. New file.
2706 * opts.h (cl_option): Add a neg_index field.
2708 (prune_options): Likewise.
2710 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2713 * omp-low.c (expand_omp_parallel): Don't assert
2714 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2715 instead search for it.
2718 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2721 2006-05-16 Andreas Schwab <schwab@suse.de>
2723 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2726 2006-05-15 Roger Sayle <roger@eyesopen.com>
2729 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2730 integer constants other than zero are only legitimate on TARGET_64BIT.
2731 <CONST_VECTOR> Only zero vectors are legitimate.
2732 (ix86_cannot_force_const_mem): Integral and vector constants can
2733 always be put in the constant pool.
2735 2006-05-16 DJ Delorie <dj@redhat.com>
2737 * crtstuff.c (__dso_handle): Set section from
2738 TARGET_LBIGCC_SDATA_SECTION if defined.
2739 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2740 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2742 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2745 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2748 2006-05-16 Ben Elliston <bje@au.ibm.com>
2750 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2752 2006-05-15 Per Bothner <per@bothner.com>
2754 * tree.c: (last_annotated_node): Use source_locus typedef.
2755 This permits bootstrapping with --enable-mapped-location.
2757 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2759 PR tree-optimization/26830
2760 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2761 (info_for_ssa_name, current_info_for_ssa_name_age,
2762 blocks_to_update): New variables.
2763 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2764 (clear_ssa_name_info, initialize_flags_in_bb,
2765 mark_block_for_update): New functions.
2766 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2767 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2768 prepare_def_site_for): Use mark_block_for_update.
2769 (mark_def_interesting): Assert that the processed block is marked in
2770 blocks_to_update. Do not take blocks argument.
2771 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2773 (rewrite_update_init_block, rewrite_update_stmt): Only process
2774 blocks with statements to rewrite.
2775 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2776 (update_ssa): Initialize and free blocks_to_update. Do not
2777 clear flags on statements. Do not use blocks bitmap.
2778 * tree.h (SSA_NAME_AUX): Removed.
2779 (struct tree_ssa_name): Removed aux field.
2780 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2782 2006-05-15 Richard Guenther <rguenther@suse.de>
2784 PR tree-optimization/27603
2785 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2786 Do computations in original type.
2788 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2790 * see.c: Code style changes such as redundant paranthesis,
2791 redundant intialization of local variables etc.
2792 (see_main): Declared now as static.
2793 * doc/invoke.texi: Update that -fsee is not enabled by
2796 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2798 * omp-low.c (check_omp_nesting_restrictions): New function.
2799 (scan_omp_1): Call it.
2802 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2803 construct, return *VAR.
2805 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2807 PR rtl-optimization/27406
2808 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2811 2006-05-14 Roger Sayle <roger@eyesopen.com>
2813 PR rtl-optimization/27538
2814 * combine.c (expand_compound_operation): Call gen_lowpart
2815 before calling simplify_shift_const.
2817 2006-05-14 Roger Sayle <roger@eyesopen.com>
2819 PR rtl-optimization/22563
2820 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2821 a fixed width bitfield, always force the intermediates into psuedos.
2823 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2826 * mkconfig.sh: Use operator = instead of == for test.
2828 2006-05-13 Nick Clifton <nickc@redhat.com>
2830 * dwarf2out.c (dbx_reg_number): Check return value from
2831 LEAF_REG_REMAP and only use it if it is valid.
2832 (multiple_reg_loc_descriptor): Likewise.
2834 2006-05-13 Richard Guenther <rguenther@suse.de>
2836 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2839 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2841 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2842 information attached to non-INSNs such as NOTEs.
2843 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2845 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2847 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2849 * config/s390/s390.md: Adjust comment describing On constraint.
2851 2006-05-11 Jan Hubicka <jh@suse.cz>
2853 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2854 to be output at -O0.
2856 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2859 * fold-const.c (size_binop): Move sanity check for arguments to
2860 the beginning of the function.
2863 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2866 2006-05-11 Richard Guenther <rguenther@suse.de>
2869 * fold-const.c (fold_unary): Handle intermediate conversion
2870 to a pointer type like intermediate conversion to an integer
2871 type in folding of (T1)(T2)var to var.
2872 Match the code to the comment in the final conversion for
2873 (T1)(T2)var to (T1)var regarding to type precision. Rather
2874 than disallow T1 being of pointer type, assert that both T1
2875 and var are of pointer type or not. Make sure not to fall
2876 over the frontends lazyness wrt array to pointer decay though.
2878 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2880 * arm.c (arm_struct_value_rtx): Delete.
2881 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2882 (arm_init_cumulative_args): Always initialize nregs to zero.
2884 2006-05-10 Richard Guenther <rguenther@suse.de>
2886 PR tree-optimization/27532
2887 * tree-object-size.c (plus_expr_object_size): Fix typo.
2889 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2892 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2893 ashrdi_const, ashrdi3): Use a scratch register.
2895 2006-05-10 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/27302
2898 * fold-const.c (operand_equal_p): For two comparisons,
2899 try comparison of one comparison code swapped if that yields
2902 2006-05-10 Ben Elliston <bje@au.ibm.com>
2904 * tree-pretty-print.c (pretty_print_string): No need to handle
2905 '\0' as a special character.
2907 * tree.h: Include "hashtab.h".
2908 (iterative_hash_expr): Use hashval_t in its prototype.
2909 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2911 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2914 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2915 (hppa*64*-*-hpux11*): Ditto.
2916 (hppa[12]*-*-hpux11*): Ditto.
2918 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2921 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2923 2006-05-09 Michael Matz <matz@suse.de>
2925 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2926 host_extra_gcc_objs and host_xmake_file.
2927 (<*-*-linux*>): Don't overwrite host_xmake_file.
2928 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2929 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2930 (host_detect_local_cpu): Declare.
2931 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2932 * config/i386/i386.c (override_options): Handle -mtune=native
2934 * config/i386/x-i386: New file.
2935 * config/i386/driver-i386.c: New file.
2936 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2939 2006-05-09 Dirk Mueller <dmueller@suse.de>
2940 Richard Guenther <rguenther@suse.de>
2943 * fold-const.c (fold_read_from_constant_string): Relax check
2944 for matching types to matching modes.
2946 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2948 PR rtl-optimization/27335
2949 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2952 2006-05-08 Chao-ying Fu <fu@mips.com>
2953 Richard Sandiford <richard@codesourcery.com>
2955 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2956 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2957 * config/mips/mips.md (UNSPEC_SCC): New constant.
2958 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2959 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2960 (mips_emit_compare): Use it.
2961 (mips_expand_vcondv2sf): New function.
2963 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2965 Fix PR tree-optimization/27093
2966 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2967 renaming when they become not-used_alone.
2969 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2971 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2972 relocation and relocation stubs.
2974 2006-05-08 Eric Christopher <echristo@apple.com>
2976 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2979 2006-05-08 Jan Hubicka <jh@suse.cz>
2982 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2983 unused static functions are needed.
2985 2006-05-08 Roger Sayle <roger@eyesopen.com>
2988 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2989 of a reg_equiv_constant if the result is a legitimate constant.
2991 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2994 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2995 standard 80387 constants, raise the cost to prevent
2996 compress_float_constant() to generate load from memory.
2998 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3000 * config/arm/constraints.md (c): Fix a typo.
3002 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3005 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3008 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3010 (_mm_mwait): Likewise.
3012 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3014 (sse3_monitor): Make it 32bit only.
3015 (sse3_monitor64): New. 64bit monitor.
3017 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3020 * config/i386/i386.c (classify_argument): Skip fields with invalid
3023 2006-05-07 Richard Guenther <rguenther@suse.de>
3025 PR tree-optimization/27409
3026 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3027 Do not try to find zero-sized subvars.
3029 2006-05-07 Richard Guenther <rguenther@suse.de>
3031 PR tree-optimization/27136
3032 * tree-ssa-loop-niter.c (get_val_for): Correct function
3033 comment, assert requirements.
3034 (loop_niter_by_eval): Stop processing if the iterated
3035 value did not simplify.
3037 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3039 * opts.c (flag_see): remove its setting at -O3.
3041 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3043 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3044 * arm/constraints.md: New file.
3045 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3046 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3047 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3048 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3049 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3050 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3051 * arm.md: Include constraints.md.
3052 (thumb_movsi_insn): Use satisfies_constraint_J.
3053 (movhi, movqi): Use satisfies_constraint_I.
3055 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3057 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3058 for atmeg a645 device.
3060 2006-05-06 Richard Guenther <rguenther@suse.de>
3062 PR tree-optimization/27151
3063 * tree-vect-transform.c (vectorizable_condition): Punt on
3064 values that have a different type than the condition.
3066 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3069 * c-parser.c (c_parser_cast_expression): Only insert casts into
3070 hash table if pointer.
3071 * function.c (used_types_insert_helper): Rename from
3073 (used_types_insert): Call used_types_insert_helper.
3074 * function.h (used_types_insert): Accept only one argument.
3076 2006-05-05 David Edelsohn <edesohn@gnu.org>
3078 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3079 scratch with output modifier.
3081 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3084 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3085 with output modifier.
3087 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3090 * config/mips/mips.c (mips_symbolic_address_p): Return true
3091 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3092 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3094 2006-05-04 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/14287
3097 PR tree-optimization/14844
3098 PR tree-optimization/19792
3099 PR tree-optimization/21608
3100 PR tree-optimization/27090
3101 * tree-ssa-pre.c (try_combine_conversion): New function.
3102 (compute_avail): After constructing the value-handle
3103 expression, use try_combine_conversion to combine NOP_EXPRs
3104 with previous value-handle expressions and use the result if it
3107 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3109 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3111 2006-05-04 Jan Hubicka <jh@suse.cz>
3114 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3116 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3118 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3119 that this only matches CONST_INTs. All users changed to VOIDmode
3122 * config/bfin/bfin.c: Include "optabs.h".
3123 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3125 (enum bfin_builtins): Add a number of fractional and vector builtins.
3126 (bfin_init_builtins): Likewise.
3127 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3128 (safe_vector_operand, bfin_expand_binop_builtin,
3129 bfin_expand_unop_builtin): New functions.
3130 (bfin_expand_builtin): Handle the new builtins.
3131 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3134 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3137 * Makefile.in (OBJS-common): Add see.o.
3138 (see.o): Add dependencies.
3139 * common.opt (fsee): New flag for the see optimization was added.
3140 * opts.c (flag_see): Initialized.
3141 * passes.c (init_optimization_passes, pass_see): New pass.
3142 * rtl.h (see_main): Declaration as extern.
3143 * timevar.def (TV_SEE): New.
3144 * tree-pass.h (pass_see): Declaration as extern.
3145 * invoke.texi (-fsee): Document.
3146 * recog.c (validate_simplify_insn): New function.
3147 * recog.h (validate_simplify_insn): Declaration as extern.
3148 * df-problems.c (df_chain_dump): Check for NULL.
3150 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3151 Daniel Berlin <dberlin@dberlin.org>
3153 * cfgrtl.c (insert_insn_bb_end_new): New function.
3154 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3156 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3158 * df.h (struct web_entry): Moved from web.c.
3159 (union_defs): Declaration as extern.
3160 (unionfind_root): Likewise.
3161 (unionfind_union): Likewise.
3162 * web.c (struct web_entry): Moved to df.h.
3163 (unionfind_root): Remove static declaration.
3164 (unionfind_union): Likewise.
3165 (union_defs): Likewise and generalize to use callback function.
3166 (web_main): Update arguments for union_defs function call.
3168 2006-05-04 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/26447
3171 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3172 produce SSA_NAME copies before the store stmt to avoid
3173 breaking exception handling.
3175 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3178 * gimplify.c (omp_is_private): If var is shared in some outer context,
3179 return false instead of true. Stop searching on parallel context
3182 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3185 * coverage.c: Use get_gcov_unsigned_t() instead of
3186 unsigned_type_node all over.
3188 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3190 PR tree-optimization/27381
3191 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3192 maintain the same immediate_use links.
3193 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3194 node rather than segfaulting.
3196 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3199 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3200 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3201 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3203 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3205 Fix PR tree-optimization/26626
3206 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3208 * tree-ssa-operands.c (access_can_touch_variable): Allow
3209 typecasting through union pointers.
3211 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3214 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3215 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3216 to find if var will be a global variable even in the nested context.
3217 (omp_copy_decl): Only check for global variable at the end, it might
3218 be overridden in outer contexts.
3219 (scan_sharing_clauses): For global variables don't create a field.
3220 (lower_rec_input_clauses): Do nothing for global shared variables.
3221 Emit a barrier at the end of ILIST if there were any decls in both
3222 firstprivate and lastprivate clauses.
3223 (lower_send_clauses): Do nothing for global variables except for
3226 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3228 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3229 of the correct signedness is returned.
3231 2006-05-02 Jeff Law <law@redhat.com>
3233 PR tree-optimization/27364
3234 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3235 multiply expressions.
3237 2006-05-02 Tom Tromey <tromey@redhat.com>
3239 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3241 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3244 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3245 -mthumb -fPIC are used.
3247 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3248 Joshua Kinard <kumba@gentoo.org>
3251 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3252 with 64-bit pointers.
3254 2006-05-02 Paul Brook <paul@codesourcery.com>
3256 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3258 (create_fix_barrier): Check that a suitable barrier location is
3260 (arm_reorg): Include ftmp->address in allowable range of addresses.
3262 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3265 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3268 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3271 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3272 around RESULT_DECL for result passed by reference.
3273 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3274 * omp-low.c (use_pointer_for_field): Don't look at
3275 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3276 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3277 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3278 time or var for passing by reference for
3279 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3280 TREE_ADDRESSABLE variables when passing by reference.
3282 * omp-low.c (dump_omp_region): Fix output formatting.
3285 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3286 (expand_omp_parallel): Likewise.
3287 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3290 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3291 on statement list containing also constructors and destructors.
3292 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3295 * except.c (duplicate_eh_regions): Fix clearing of
3296 cfun->eh->region_array entries.
3298 2006-05-01 DJ Delorie <dj@redhat.com>
3300 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3302 (gcc_cv_objdump): Likewise.
3303 * configure: Regenerated.
3305 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3308 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3309 templates for case 3 and 4.
3311 2006-05-01 DJ Delorie <dj@redhat.com>
3313 * vec.c: Include bconfig.h when appropriate.
3314 * Makefile.in (build/vec.o): Adjust dependencies.
3315 * mkconfig.sh: Make sure config.h isn't used for build machine
3318 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3320 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3322 (mark_phi_for_rewrite): New function.
3323 (insert_phi_nodes_for, mark_use_interesting): Call
3324 mark_phi_for_rewrite.
3325 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3326 (update_ssa): Initialize and free phis_to_rewrite.
3328 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3330 PR rtl-optimization/27291
3331 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3332 folded to a constant.
3334 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3336 PR tree-optimization/27283
3337 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3338 not whole # of iteration descriptions.
3339 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3340 uses abnormal ssa name.
3341 (niter_for_single_dom_exit): Ditto.
3342 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3343 return just the number of iterations.
3345 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3347 PR tree-optimization/27144
3348 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3349 (record_estimate): Only record constant upper bound.
3350 (infer_loop_bounds_from_undefined): Call
3351 compute_estimated_nb_iterations just once.
3352 (proved_non_wrapping_p): Renamed to ...
3353 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3354 (convert_step_widening, scev_probably_wraps_p): Call
3355 n_of_executions_at_most instead of proved_non_wrapping_p.
3356 (substitute_in_loop_info): Do not replace values in bounds.
3357 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3360 2006-05-01 Richard Henderson <rth@redhat.com>
3363 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3364 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3367 2006-05-01 Roger Sayle <roger@eyesopen.com>
3369 * c-typeck.c (parser_build_binary_op): Don't call the function
3370 unsigned_conversion_warning to spot operand/result type overflow.
3371 (build_binary_op): Instead, call convert_and_check instead of
3372 convert to report the problem when the operands are promoted.
3373 * c-common.c (unsigned_conversion_warning): Make static.
3374 * c-common.h (unsigned_conversion_warning): Delete prototype.
3376 2006-05-01 Richard Guenther <rguenther@suse.de>
3378 PR tree-optimization/26726
3379 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3381 (find_interesting_uses_address): ... we work around here
3382 by folding INDIRECT_REFs in the substituted base.
3384 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3386 * omp-low.c (dump_omp_region): Add newlines.
3388 2006-04-30 Roger Sayle <roger@eyesopen.com>
3390 * common.opt (Woverflow): New command line option.
3391 * c-common.c (constant_expression_warning): Check warn_overflow.
3392 (overflow_waring): Pass OPT_Woverflow to warning.
3393 (unsigned_conversion_warning): Likewise.
3394 (convert_and_check): Likewise.
3395 * doc/invoke.texi: Document new command line option.
3397 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3399 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3400 TARGET_NO_FP_IN_TOC for section anchors.
3401 (optimization_options): Enable section anchors for all
3402 non-"Objective" languages.
3404 2006-04-28 Eric Christopher <echristo@apple.com>
3406 * config/darwin-c.c (darwin_ms_struct): Move this
3407 (darwin_set_default_type_attributes): and this...
3408 * config/darwin.c: ... here.
3409 * config/darwin.h (darwin_ms_struct): Declare.
3411 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3413 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3415 2006-04-28 Roger Sayle <roger@eyesopen.com>
3418 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3419 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3420 an unsigned HOST_WIDE_INT.
3421 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3423 (really_start_incremental_init): No need to call convert because
3424 bitsize_zero_node is already of type bitsizetype.
3425 (push_init_level): Extract the value of constructor_index as an
3426 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3427 (process_init_element): Likewise.
3429 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3431 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3432 value before passing to make_relative_prefix.
3434 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3437 * builtins.c (expand_builtin_memset): Expand val in original mode.
3439 2006-04-27 Eric Christopher <echristo@apple.com>
3441 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3442 with #ifndef/#endif.
3443 * config/darwin-c.c (darwin_ms_struct): New.
3444 (darwin_pragma_ms_struct): Ditto.
3445 (darwin_set_default_type_attributes): Ditto.
3446 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3447 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3448 Register ms_struct pragma.
3449 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3450 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3451 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3452 darwin_set_default_type_attributes if TARGET_MACHO.
3454 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3456 PR tree-optimization/26854
3457 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3458 * doc/tree-ssa.texi: Update immuse iterator documentation.
3459 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3461 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3462 first_safe_imm_use, next_safe_imm_use): Remove.
3463 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3464 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3465 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3466 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3467 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3468 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3469 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3470 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3471 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3472 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3473 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3474 (perfect_nestify): Use new iterator.
3475 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3477 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3478 (next_imm_name): New field in struct immediate_use_iterator_d.
3479 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3480 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3481 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3482 * tree-cfg.c (replace_uses_by): Use new iterator.
3483 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3484 * tree-ssa-operands.c (correct_use_link): Remove.
3485 (finalize_ssa_use_ops): No longer call correct_use_link.
3487 2006-04-27 Stuart Hastings <stuart@apple.com>
3489 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3490 * config/t-darwin (crt3.o): Use it.
3491 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3492 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3493 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3494 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3495 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3498 2006-04-27 Roger Sayle <roger@eyesopen.com>
3500 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3501 size, force the intermediate into a new pseudo rather instead of
3502 performing both a bitwise AND and a bitwise IOR in memory.
3504 2006-04-27 Richard Guenther <rguenther@suse.de>
3506 PR rtl-optimization/26685
3507 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3508 this one "max-flow-memory-locations".
3510 2006-04-27 Richard Guenther <rguenther@suse.de>
3512 PR tree-optimization/25148
3513 * tree-vrp.c (compare_values): Remove code dealing with
3514 comparisons against type min/max value. Honour overflow
3515 and negative constants in code dealing with comparisons
3516 of plus and minus expressions.
3517 (value_inside_range): Use fold_binary with LE_EXPR and
3518 GE_EXPR rather than compare_values.
3520 2006-04-27 Dirk Mueller <dmueller@suse.de>
3522 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3525 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3527 * basic-block.h (safe_insert_insn_on_edge): Removed.
3528 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3530 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3531 Paolo Bonzini <bonzini@gnu.org>
3534 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3535 (simplify_and_const_int): Same.
3537 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3539 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3541 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3544 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3545 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3546 cgraph_global_info_ready.
3549 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3552 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3553 either decl or init is error_mark_node.
3556 * tree-flow.h (struct omp_region): Add sched_kind.
3557 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3558 instead of extracting omp for data.
3559 (expand_omp_for): Save extracted sched_kind.
3561 2006-04-25 Roger Sayle <roger@eyesopen.com>
3563 * expmed.c (store_bit_field): Also check whether the bitsize is
3564 valid for the machine's "insv" instruction before moving the
3565 target into a pseudo for use with the insv.
3566 * config/i386/predicates.md (const8_operand): New predicate.
3567 * config/i386/i386.md (extv, extzv, insv): Use the new
3568 const8_operand predicate where appropriate.
3570 2006-04-25 DJ Delorie <dj@redhat.com>
3572 * doc/install.texi (Specific): Clarify that this is not a list of
3573 supported hosts or targets.
3575 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3577 PR rtl-optimization/26725
3578 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3579 block's BB_DIRTY flag.
3581 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3583 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3586 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3587 to print an integer.
3589 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3591 * varasm.c (align_variable): New function.
3592 (get_block_for_decl): Apply align_variable to DECL before
3593 calculating section information.
3594 (assemble_variable): Split out alignment computation.
3596 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3598 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3601 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3603 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3604 MODE_PARTIAL_INT mode.
3605 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3606 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3608 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3609 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3611 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3613 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3615 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3616 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3617 MACFLAG_IH): Likewise.
3618 (movstricthi_1): Renamed from "*movstricthi".
3619 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3620 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3621 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3622 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3623 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3624 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3625 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3626 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3627 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3628 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3629 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3630 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3631 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3632 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3633 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3635 * doc/rtl.texi (ss_ashift): Improve wording.
3637 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3639 * dwarf2out.c (verify_marks_clear): New.
3640 (prune_unused_types): Call verify_marks_clear initially, not
3643 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3645 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3646 * doc/rtl.texi: Document them.
3647 * simplify-rtx.c (simplify_unary_operation,
3648 simplify_binary_operation_1): Don't abort when we see them.
3650 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3653 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3654 * configure.ac: Completely disregard languages that are not
3656 * configure: Regenerated.
3658 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3659 Richard Guenther <rguenther@suse.de>
3661 PR tree-optimization/27236
3662 * tree-inline.c (copy_body_r): Make sure to copy
3663 TREE_THIS_VOLATILE flag.
3665 2006-04-24 Richard Guenther <rguenther@suse.de>
3668 * tree-complex.c (update_parameter_components): Don't handle
3669 unused parameters which have no default def.
3671 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3672 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/27218
3675 * tree-inline.c (expand_call_inline): Strip useless type
3676 conversions for the return slot address.
3678 2006-04-24 Richard Guenther <rguenther@suse.de>
3680 * cfgloop.h (struct loops): Remove unused field array. Reorder
3682 (LOOP_PREFETCH): Remove.
3684 2006-04-24 Richard Guenther <rguenther@suse.de>
3686 PR tree-optimization/22525
3687 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3688 variable, adjust types of generated expressions.
3690 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3692 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3693 (tree-vect-patterns.o): Likewise.
3695 (cselib.o): Likewise.
3696 (loop-doloop.o): Likewise.
3697 (regclass.o): Likewise.
3698 (reload1.o): Likewise.
3699 (explow.o): Replace target.h with $(TARGET_H).
3700 (ipa-prop.o): Likewise.
3701 (ipa-cp.o): Likewise.
3702 (ipa-inline.o): Likewise.
3703 (reorg.o): Likewise.
3704 (reg-stack.o): Likewise.
3706 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3708 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3710 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3712 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3714 * configure.ac: Completely disregard languages that are not
3716 * configure: Regenerated.
3719 * c-common.h (c_build_bitfield_integer_type): Declare.
3720 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3721 * c-common.c (c_build_bitfield_integer_type): ... here.
3723 2006-04-23 Roger Sayle <roger@eyesopen.com>
3726 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3727 a SImode SUBREG of a floating point register after no_new_pseudos.
3729 2006-04-23 Roger Sayle <roger@eyesopen.com>
3731 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3732 identify potentially eliminable registers to additionally catch
3733 VIRTUAL_INCOMING_ARGS_REGNUM.
3734 (addsi3): Update the conditions on when to use addsi_small_int.
3736 2006-04-23 Roger Sayle <roger@eyesopen.com>
3739 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3740 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3741 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3743 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3745 * fold-const.c (range_predecessor): Use operand_equal_p
3746 as the predicate for equality.
3747 (range_successor): Likewise.
3749 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3752 * config/soft-fp/op-common.h: Fix a typo.
3754 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3757 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3758 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3760 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3762 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3764 * doc/tm.texi: Fix a typo.
3766 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3768 * dwarf2out.c (struct die_struct): Document that die_sib makes
3769 a circular linked list.
3770 (FOR_EACH_CHILD): New.
3771 (reverse_die_lists): Delete.
3772 (reverse_all_dies): Delete.
3773 (add_dwarf_attr): Correct documentation.
3774 (remove_child_with_prev): New.
3775 (remove_child_TAG): Update for change to die_struct, use
3776 remove_child_with_prev.
3777 (add_child_die): Update for change to die_struct.
3778 (splice_child_die): Use remove_child_with_prev and add_child_die.
3779 (print_die): Use FOR_EACH_CHILD.
3780 (die_checksum): Likewise.
3781 (assign_symbol_names): Likewise.
3782 (output_location_lists): Likewise.
3783 (build_abbrev_table): Likewise.
3784 (calc_die_sizes): Likewise.
3785 (mark_dies): Likewise.
3786 (unmark_dies): Likewise.
3787 (unmark_all_dies): Likewise.
3788 (output_die): Likewise.
3789 (prune_unused_types_mark): Likewise.
3790 (prune_unused_types_walk): Likewise.
3791 (same_die_p): Update for change to die_struct.
3792 (break_out_includes): Likewise.
3793 (prune_unused_types_prune): Likewise.
3794 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3795 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3797 (dwarf2out_finish): Don't call reverse_all_dies.
3799 2006-04-21 Eric Christopher <echristo@apple.com>
3801 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3802 in comments and function names.
3804 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3807 * c-typeck.c (digest_init): Robustify.
3809 * c-typeck.c (pop_init_level): Simplify.
3811 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3813 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3815 2006-04-21 Paul Brook <paul@codesourcery.com>
3817 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3818 hardware floating point.
3820 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3822 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3825 2006-04-21 Nick Clifton <nickc@redhat.com>
3827 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3830 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3833 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3834 C++ lang type in traceback table for Objective-C++.
3836 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3838 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3840 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3842 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3845 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3846 were errors. Remove check for erroneous objects.
3848 2006-04-20 Jeff Law <law@redhat.com>
3850 PR tree-optimization/26854
3851 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3852 checking for zero or one use.
3853 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3854 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3855 * tree-ssa-reassoc.c (negate_value): Similarly.
3856 (reassociate_bb): Similarly.
3858 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3860 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3861 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3862 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3864 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3866 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3867 fp regs if the last fp arg doesn't fit in regs.
3869 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3872 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3873 that the last insn has the REG_INC note.
3875 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3876 Nathan Sidwell <nathan@codesourcery.com>
3879 * stor-layout.c (update_alignment_for_field): Do not align
3881 (place_union_field): Place union field at the start of the union.
3882 (place_field): Move ERROR_MARK check later, and use the current
3883 allocation position to maintain monotonicity.
3885 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3887 * dominance.c: Include timevar.h.
3888 (calculate_dominance_info): Use TV_DOMINANCE.
3889 * timevar.def (TV_DOMINANCE): New timevar.
3890 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3892 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3894 PR rtl-optimization/14261
3895 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3896 move would be an INSV insn.
3897 (noce_process_if_block): Don't optimize if the destination is a
3898 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3900 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3902 * config/s390/s390.md: Add comments with the instructions emitted
3903 by an insn pattern if macros are used.
3905 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3907 PR rtl-optimization/26026
3908 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3909 is a known power of two shifted left a variable amount.
3911 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3913 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3914 to hash table twice when the debug_str section has SECTION_MERGE.
3916 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3918 * config/soft-fp: New directory. From glibc.
3919 * config/soft-fp/t-softfp: New.
3920 * config/soft-fp/README: New.
3921 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3922 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3923 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3924 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3925 * config.gcc: Use rs6000/t-fprules-fpbit or
3926 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3928 * config/rs6000/sfp-machine.h: New. Based on glibc.
3929 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3931 * config/rs6000/t-fprules: Remove fp-bit rules.
3932 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3933 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3934 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3935 (softfp_wrap_start, softfp_wrap_end): New.
3937 2006-04-18 DJ Delorie <dj@redhat.com>
3939 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3941 2006-04-18 Devang Patel <dpatel@apple.com>
3943 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3945 2006-04-18 Nick Clifton <nickc@redhat.com>
3947 * config/sh/t-symbian: Add rule to build sh-c.o
3948 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3949 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3950 (sh_symbian_encode_section_info): Likewise.
3952 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3954 * builtins.c (expand_builtin_strcmp): Cover label definition of
3955 do_libcall with HAVE_cmpstrnsi.
3957 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3959 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3961 * function.h (temp_slot_p): New.
3962 (function): Change the type of x_used_temp_slots to
3963 VEC(temp_slot_p,gc) *.
3965 2006-04-18 Nick Clifton <nickc@redhat.com>
3967 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3968 flag_strength_reduce.
3970 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3972 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3976 Partial revert of revision 112637
3977 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3978 Dale Johannesen <dalej@apple.com>
3981 * regclass.c (struct reg_pref): Update documentation.
3982 (regclass): Set prefclass to NO_REGS if memory is the best option.
3983 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3985 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3987 PR tree-optimization/26821
3988 * tree-ssa-math-opts.c (get_constant_one): New.
3989 (insert_reciprocals): Use it.
3991 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3993 * dwarf2out.c (free_AT): Delete.
3994 (remove_AT): Update string ref counts.
3995 (remove_child_TAG): Don't call free_die.
3997 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3998 or DW_TAG_GNU_EINCL.
3999 (prune_unused_types_walk_attribs): Reset string refcounts.
4000 (prune_unused_types_update_strings): New.
4001 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4002 call free_die. Do call prune_unused_types_update_strings.
4003 (prune_unused_types): Empty debug_str_hash.
4005 2006-04-17 Roger Sayle <roger@eyesopen.com>
4007 * expr.c (expand_assignment): Optimize away no-op moves where the
4008 source and destination are equal and have no side-effects.
4010 2006-04-17 Richard Guenther <rguenther@suse.de>
4013 * reload.c (push_reload): Guard calls to get_secondary_mem
4016 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4018 * alias.c (reg_base_value, old_reg_base_value): Change the
4019 type to VEC(rtx,gc) *.
4020 (REG_BASE_VALUE, find_base_value, record_set,
4021 init_alias_analysis): Use VEC instead of VARRAY.
4023 * alias.c (alias_sets): Change the type to
4024 VEC(alias_set_entry,gc) *.
4025 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4026 VEC instead of VARRAY.
4027 (last_alias_set): Remove.
4029 * cgraph.h (cgraph_edge_p): New.
4030 Update the prototype of cgraph_function_versioning.
4031 * cgraphunit.c (cgraph_copy_node_for_versioning,
4032 cgraph_function_versioning): Use VEC instead of VARRAY.
4033 * ipa-cp.c (ipcp_insert_stage): Likewise.
4035 2006-04-16 Roger Sayle <roger@eyesopen.com>
4038 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4039 "A op B" or "A op C", we may need to convert A to the type of B and C.
4041 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4043 * target.h (struct gcc_target): Add mode_rep_extended.
4044 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4045 (init_num_sign_bit_copies_in_rep): Initialize it using
4047 (truncate_to_mode): Use it.
4048 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4049 * targhooks.h (default_mode_rep_extended): Declare it.
4050 * targhooks.c (default_mode_rep_extended): Define it.
4051 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4052 default_mode_rep_extended.
4053 (TARGET_INITIALIZER): Include it.
4054 * doc/tm.texi (Misc): Document it.
4055 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4056 (mips_truncated_to_mode): New function.
4058 2006-04-16 Roger Sayle <roger@eyesopen.com>
4061 * expr.c (compress_float_constant): Copy the narrow constant into
4062 a new pseudo before extending it to its final width.
4064 2006-04-16 Roger Sayle <roger@eyesopen.com>
4065 Andrew Pinski <pinskia@gcc.gnu.org>
4066 Dale Johannesen <dalej@apple.com>
4069 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4070 special case code to implement V8HImode and V16QImode with SSE2.
4072 2006-04-15 Roger Sayle <roger@eyesopen.com>
4074 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4075 trees are constructed with a suitable tree type.
4077 2006-04-15 Roger Sayle <roger@eyesopen.com>
4079 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4080 (integer_onep): Likewise.
4081 (integer_all_onesp): Likewise.
4082 (integer_pow2p): Likewise.
4083 (integer_nonzerop): Likewise.
4084 (real_zerop): Likewise.
4085 (real_onep): Likewise.
4086 (real_twop): Likewise.
4087 (real_minus_onep): Likewise.
4088 (int_size_in_bytes): Likewise.
4089 (host_integerp): Likewise.
4091 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4093 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4094 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4095 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4097 * tree-ssa-structalias.h (alias_info): Remove num_references.
4099 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4101 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4102 (output_bvb patterns): Likewise.
4103 * pa.c (output_bb): Use 'bb' insn for long branch case.
4104 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4105 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4106 1. Correct length operand for alternatives 1 and 2.
4107 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4108 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4110 2006-04-14 Roger Sayle <roger@eyesopen.com>
4112 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4113 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4114 were accidentally reverted by r112959.
4116 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4119 * except.h (eh_region_outermost): New prototype.
4120 * except.c (eh_region_outermost): New function.
4121 * tree-cfg.c (find_outermost_region_in_block): Use it.
4123 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4125 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4127 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4128 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4129 (init_reload, reload): Use VEC instead of VARRAY.
4130 * reload.h: Update the prototype for
4131 reg_equiv_memory_loc_varray.
4133 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4134 Eric Botcazou <ebotcazou@libertysurf.fr>
4136 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4139 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4142 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4143 to expand fallback builtin function call.
4145 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4148 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4149 and emit libcall here in case the builtin fails.
4150 (expand_builtin_strcmp): Always emit the libcall here on failure.
4152 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4154 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4155 * flow.c (reg_n_info): Change the type to
4156 VEC(reg_info_p,heap) *.
4157 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4159 * regs.h (reg_info_p): New.
4160 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4161 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4162 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4165 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4167 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4169 * params.h (MAX_SCHED_READY_INSNS): New macro.
4170 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4171 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4172 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4173 the ready list for 1 cycle during the first scheduling pass.
4174 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4176 2006-04-13 Richard Henderson <rth@redhat.com>
4179 * gimple-low.c (lower_omp_directive): Remove dead code.
4180 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4181 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4182 * omp-low.c (struct omp_region): Move to tree-flow.h.
4183 (root_omp_region): Export.
4184 (omp_regions, lookup_omp_region): Remove.
4185 (determine_parallel_type): Update for struct omp_region changes.
4186 (dump_omp_region): Dump regions with block numbers.
4187 (new_omp_region): Take type and block instead of stmt; malloc
4189 (free_omp_region_1, free_omp_regions): New.
4190 (expand_parallel_call): Take entry_stmt as argument; update for
4191 changes to omp_region.
4192 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4193 (remove_exit_barriers): New.
4194 (expand_omp_parallel): Update for struct omp_region changes.
4195 (expand_omp_synch): Likewise.
4196 (expand_omp): Likewise.
4197 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4198 (expand_omp_for_static_chunk): Likewise.
4199 (expand_omp_for): Likewise.
4200 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4201 (expand_omp_sections): Similarly, with GOMP_sections_end.
4202 (expand_omp_single): New.
4203 (build_omp_regions_1): Update for OMP_CONTINUE.
4204 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4205 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4206 OMP_SECTIONS_SECTIONS.
4207 (lower_omp_single_simple): Don't emit barrier here.
4208 (lower_omp_single_copy): Likewise.
4209 (lower_omp_single): Fix bindings, and lower to straightline now.
4210 (lower_omp_master, lower_omp_ordered): Likewise.
4211 (lower_omp_critical): Likewise.
4212 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4213 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4214 omp edges, free it afterward.
4215 (make_omp_sections_edges): Remove.
4216 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4217 (move_stmt_r): Handle OMP_CONTINUE.
4218 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4219 statement pointers to basic blocks. Add type member.
4220 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4221 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4222 * tree-inline.c (estimate_num_insns_1): Likewise.
4223 * tree-pretty-print.c (dump_generic_node): Likewise.
4224 * tree-ssa-operands.c (get_expr_operands): Likewise.
4225 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4226 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4227 (OMP_CONTINUE): New.
4228 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4229 (OMP_SECTIONS_SECTIONS): Remove.
4230 (OMP_SECTION_LAST): New.
4231 (OMP_RETURN_NOWAIT): New.
4233 2006-04-13 Roger Sayle <roger@eyesopen.com>
4235 * fold-const.c (native_encode_vector, native_interpret_real):
4236 Correct obvious mistakes in the previous check-in.
4238 2006-04-13 Roger Sayle <roger@eyesopen.com>
4240 * fold-const.c (native_encode_expr): New function to encode
4241 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4242 or VECTOR_CST into a specified buffer.
4243 (native_encode_int): New function.
4244 (native_encode_real): New function.
4245 (native_encode_complex): New function.
4246 (native_encode_vector): New function.
4247 (native_interpret_expr): Inverse of native_encode_expr to convert
4248 a target representation into an INTEGER_CST, REAL_CST etc...
4249 (native_interpret_int): New function.
4250 (native_interpret_real): New function.
4251 (native_interpret_complex): New function.
4252 (native_interpret_vector): New function.
4253 (fold_view_convert_expr): New function to constant fold/evaluate
4254 a VIEW_CONVERT_EXPR of a suitable constant expression.
4255 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4256 Change call of build1 to fold_build1 when constructing a
4259 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4260 Ulrich Weigand <uweigand@de.ibm.com>
4263 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4266 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4269 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4270 optimize to lo_sum for DFmode if !TARGET_FPRS.
4272 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4274 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4275 delete_alias_info, compute_flow_sensitive_aliasing,
4276 group_aliases): Use VEC instead of VARRAY.
4277 * tree-ssa-structalias.c (update_alias_info): Likewise.
4278 * tree-ssa-structalias.h (alias_info): Change the type of
4279 processed_ptrs to VEC(tree,heap) *.
4281 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4284 * config/sh/lib1funcs.h: New file, broken out of:
4285 * config/sh/lib1funcs.asm.
4286 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4288 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4289 * config/sh/lib1funcs-Os-4-200.asm: New file.
4290 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4291 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4292 (EXTRA_MULTILIB_PARTS): Include it.
4293 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4294 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4295 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4296 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4299 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4301 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4302 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4303 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4305 * tree-ssa-live.h: Include vecprim.h.
4306 (tree_partition_associator_d): Change the type of
4307 first_partition to VEC(int,heap) *.
4308 (tpa_first_partition): Use VEC instead of VARRAY.
4310 * Makefile.in (GTFILES): Move functions.h after tree.h.
4311 * function.c (reset_block_changes, record_block_change,
4312 check_block_change, free_block_changes): Use VEC instead of
4314 * function.h (function): Change the type of
4315 ib_boundaries_block to VEC(tree,gc) *.
4316 * tree-inline.c (copy_cfg_body): Initialize
4317 ib_boundaries_block to NULL instead of (varray_type) 0.
4319 2006-04-12 Roger Sayle <roger@eyesopen.com>
4321 * expr.c (emit_group_store): Correct operand order in call to
4322 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4323 a SUBREG_BYTE of zero.
4325 2006-04-12 Richard Guenther <rguenther@suse.de>
4327 * profile.c (compute_branch_probabilities): Remove code
4328 encapsulated in !ir_type (), which are remanents of the
4329 removed RTL profiling code.
4330 * rtl-profile.c: Remove.
4332 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4334 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4335 magic NULL_RTX comment.
4336 (function_arg): Store entire fp arg to mem if any part should go
4338 (rs6000_arg_partial_bytes): Adjust for above change.
4340 2006-04-11 Roger Sayle <roger@eyesopen.com>
4342 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4343 if it hasn't been initialized by dwarf2out_init.
4345 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4347 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4348 symbolic constants in branch patterns.
4350 2006-04-11 Roger Sayle <roger@eyesopen.com>
4352 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4354 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4356 PR rtl-optimization/27073
4357 * gcse.c (try_replace_reg): Revert last change. Continue to search
4358 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4361 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4363 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4364 aggregate types other than record and union types.
4365 (function_arg): Likewise.
4366 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4368 (function_value): In 64-bit mode, return objects that require it
4371 2006-04-11 Roger Sayle <roger@eyesopen.com>
4373 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4375 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4377 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4379 2006-04-03 Jeff Law <law@redhat.com>
4382 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4383 alias information too.
4385 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4387 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4389 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4392 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4393 (premark_used_types_helper): New.
4394 (premark_used_types): New.
4395 (gen_subprogram_die): Call premark_used_types.
4396 (prune_unused_types_walk): Do not prune perennial dies.
4397 * function.c (used_types_insert): New.
4398 * function.h (struct function): Add used_types_hash field.
4399 (used_types_insert): Add prototype.
4400 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4401 * c-parser.c (c_parser_cast_expression): Save casted types in used
4404 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4407 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4408 rs6000_explicit_options.float_gprs.
4410 2006-04-10 Roger Sayle <roger@eyesopen.com>
4412 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4413 from ix86_expand_vector_init_low_nonzero. Take an additional
4414 one_var argument indicating which element is non-zero. Support
4415 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4416 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4417 with one_var instead of ix86_expand_vector_init_low_nonzero.
4419 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4421 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4422 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4423 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4424 build/genextract.o): Depend on vecprim.h.
4425 * cfglayout.c, df-problems.c, function.c, genextract.c,
4426 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4427 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4431 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4433 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4434 Declare VECs of this type.
4435 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4436 (remove_children): Delete.
4437 (add_dwarf_attr): Use VEC routines.
4438 (add_AT_flag): Update for changes to add_dwarf_attr.
4439 (add_AT_int): Likewise.
4440 (add_AT_unsigned): Likewise.
4441 (add_AT_long_long): Likewise.
4442 (add_AT_vec): Likewise.
4443 (add_AT_string): Likewise.
4444 (add_AT_die_ref): Likewise.
4445 (add_AT_fde_ref): Likewise.
4446 (add_AT_loc): Likewise.
4447 (add_AT_loc_list): Likewise.
4448 (add_AT_addr): Likewise.
4449 (add_AT_lbl_id): Likewise.
4450 (add_AT_lineptr): Likewise.
4451 (add_AT_macptr): Likewise.
4452 (add_AT_offset): Likewise.
4453 (add_AT_range_list): Likewise.
4454 (get_AT): Use VEC_iterate.
4455 (remove_AT): Use VEC_ordered_remove.
4456 (free_die): Fold remove_children into here; have it use VEC_iterate.
4457 (print_die): Use VEC_iterate on attrs.
4458 (reverse_die_lists): Don't reverse attr lists.
4459 (die_checksum): Use VEC_iterate on attrs.
4460 (same_die_p): Likewise.
4461 (output_location_lists): Likewise.
4462 (build_abbrev_table): Likewise.
4463 (size_of_die): Likewise.
4464 (unmark_all_dies): Likewise.
4465 (output_abbrev_section): Likewise.
4466 (output_die): Likewise.
4467 (prune_unused_types_walk_attribs): Likewise.
4469 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4471 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4473 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4476 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4478 2006-04-09 Roger Sayle <roger@eyesopen.com>
4480 * expr.c (store_constructor): Don't bother clearing target if
4481 we're about to assign a vector to it using vec_init_optab.
4483 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4485 * tree-ssa-alias.c (lhs_may_store_to): New function.
4486 (recalculate_used_alone): Handle LHS of calls.
4488 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4492 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4493 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4494 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4495 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4496 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4497 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4498 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4499 stubs. Add ".align 8" directives before all ".dword" directives.
4500 (GTHREAD_USE_WEAK): Revise comment.
4501 (TARGET_ATTRIBUTE_WEAK): Define.
4502 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4503 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4504 * stublib.c: New file.
4509 * pa.md (cbranch patterns): Revise arguments used in calls to
4510 output_cbranch, output_bb and output_bvd. Add long branch length
4512 (fbranch patterns): Handle long branches.
4513 (jump): Revise length check. Revise arguments for output_lbranch call.
4514 Add long branch length attributes.
4515 (decrement_and_branch_until_zero): Add long branch length attributes.
4516 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4517 Likewise. Revise arguments for output_parallel_addb and
4518 output_parallel_movb calls.
4519 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4520 output_parallel_movb and output_parallel_addb): Update prototypes.
4521 * pa.c (output_cbranch): Revise arguments. Correct handling of
4522 nullification in long branches.
4523 (output_lbranch): Add new argument to control extraction of delay
4525 (output_bb): Handle long branches.
4526 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4527 output_parallel_addb): Likewise.
4529 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4531 PR rtl-optimization/27073
4532 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4535 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4537 * tree.h (tree_memory_tag): Add old_used_alone.
4538 (SMT_OLD_USED_ALONE): New macro.
4539 * tree-ssa-alias.c (recalculate_used_alone): Stop
4540 marking things for renaming unnecessarily.
4542 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4544 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4545 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4546 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4547 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4548 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4549 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4550 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4551 spelling convensions.
4552 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4553 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4554 typos. Follow spelling conventions.
4556 2006-04-07 DJ Delorie <dj@redhat.com>
4558 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4559 passed on the stack.
4560 (m32c_init_cumulative_args): When a function returns a structure,
4561 always pass the pointer to that return area on the stack.
4562 (m32c_function_arg_advance): Don't increment the parameter number
4563 if we're processing the returned structure pointer.
4564 (pushm_info): Reverse order of registers.
4566 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4568 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4569 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4570 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4571 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4573 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4574 chrec_fold_multiply): Same.
4575 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4576 force_expr_to_var_cost): Same.
4577 * tree-mudflap.c (mf_xform_derefs_1): Same.
4578 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4580 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4582 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4583 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4586 2006-04-07 Jan Hubicka <jh@suse.cz>
4588 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4590 2006-04-07 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/26135
4593 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4594 loads for store copy-prop.
4595 (copy_prop_visit_stmt): Likewise.
4597 2006-04-05 Robert Millan <robertmh@gnu.org>
4599 * config/i386/linux.h: Add a comment to mark macros that are
4600 being overriden in config/k*bsd-gnu.h.
4601 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4603 * config/knetbsd-gnu.h: Ditto.
4605 2006-04-06 Jan Hubicka <jh@suse.cz>
4609 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4612 2006-04-06 Mike Stump <mrs@apple.com>
4614 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4615 for HAVE_nonlocal_goto to be consistent.
4616 (expand_builtin_nonlocal_goto): Likewise.
4617 (expand_builtin_strcmp): Use #ifdef instead of #if
4618 for HAVE_cmpstrnsi to be consistent.
4620 2006-04-05 DJ Delorie <dj@redhat.com>
4622 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4625 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4627 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4628 got-relative addressing for anything but SImode.
4630 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4631 even if the calling function doesn't modify them.
4633 2006-04-05 Richard Guenther <rguenther@suse.de>
4635 PR tree-optimization/26919
4636 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4637 to cgraph_estimate_size_after_inlining.
4639 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4641 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4643 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4645 PR tree-optimization/26996
4646 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4647 VECTOR_TYPE variables.
4649 2006-04-05 Richard Guenther <rguenther@suse.de>
4651 PR tree-optimization/26763
4652 * fold-const.c (fold_comparison): Move folding of
4653 PTR + CST CMP PTR + CST ...
4654 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4656 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4658 * doc/install.texi (Prerequisites): Refine some wording on
4659 bootstrapping and ksh.
4660 Move the version numbers of DejaGnu here from the testing section
4661 and fix casing of names.
4662 Fix markup and clarify wording for autogen requirements.
4663 Refer to GCJ instead of just java.
4664 Refer to SVN instead of CVS.
4665 Describe diffutils as useful instead of necessary.
4666 (Downloading the source): Refer to SVN instead of CVS.
4667 Adjust a link to our web site accordingly.
4668 (Configuration): Fix casing of Bison.
4669 (Building): Refer to SVN instead of CVS.
4670 Fix a sentence on the use of Bison and remove duplicate (and
4671 incorrect) version number of Bison requirement.
4672 Remove one redundant list of packages needed for building.
4673 (Specific): Avoid reference to CVS.
4675 2006-04-04 Eric Christopher <echristo@apple.com>
4677 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4678 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4679 (rs6000_handle_struct_attribute): New.
4680 (rs6000_ms_bitfield_layout_p): Ditto.
4682 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4684 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4685 NULL for dso parameter to atexit_common.
4687 2006-04-04 Eric Christopher <echristo@apple.com>
4689 * config/i386/i386.c (machopic_output_stub): Output \t
4690 between instructions and operands.
4692 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4694 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4695 satisfies_constraint_[IL] to explicit tests on value.
4697 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4699 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4700 set_nb_iterations_in_loop): Use build_int_cst instead of
4702 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4703 build_int_cst instead of convert.
4705 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4707 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4708 new value 2 for incoming.
4709 * function.c (expand_function_start): Call struct_value_rtx
4711 * config/sparc/sparc.md: Comment updated_return.
4712 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4713 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4714 struct return if sparc_std_struct_return and incoming is 2.
4715 (print_operand): Do not adjust return if
4716 sparc_std_struct_return.
4718 2006-04-04 Roger Sayle <roger@eyesopen.com>
4720 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4721 convert in the middle-end.
4722 * expr.c (store_expr, store_constructor, get_inner_reference,
4723 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4725 * tree.c (build_range_type): Likewise.
4727 2006-04-04 Tom Tromey <tromey@redhat.com>
4729 * doc/install.texi (Prerequisites): Mention jar.
4731 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4733 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4736 2006-04-04 Matthias Klose <doko@debian.org>
4738 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4739 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4742 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4744 * doc/extend.texi (Function Attributes): Rewrite visibility
4745 attribute documentation.
4746 * doc/invoke.texi (C++ Dialect Options): Rewrite
4747 -fvisibility-inlines-hidden documentation to describe something
4748 entirely different, although in practise compatible.
4749 (Code Gen Options): Warn about system headers in -fvisibility=
4752 * doc/extend.texi (Other Builtins): Document that
4753 __builtin_nan is a compile-time constant only when its argument
4756 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4758 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4759 trying to remove TRUNCATE check if all bits outside the new mode
4760 are identical to the sign bit.
4762 2006-04-03 Jeff Law <law@redhat.com>
4764 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4765 and operand scanning in some common cases.
4767 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4768 Dale Johannesen <dalej@apple.com>
4771 * regclass.c (struct reg_pref): Update documentation.
4772 (regclass): Set prefclass to NO_REGS if memory is the best option.
4773 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4774 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4775 into account. For non-registers, equate an empty preferred
4776 reload class to a `!' in the constraint; move the if clause to
4777 do so after those that reject the insn.
4778 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4780 (find_dummy_reload): Likewise.
4781 * doc/tm.texi (Register Classes): Document what it means
4782 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4783 * config/i386/i386.c (ix86_preferred_reload_class): Force
4784 using SSE registers (and return NO_REGS for floating-point
4785 constants) if math is done with SSE.
4786 (ix86_preferred_output_reload_class): New.
4787 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4788 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4789 * config/i386/i386.md: Remove # register preferences.
4791 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4794 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4795 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4796 the type of nb_iter.
4797 (instantiate_parameters_1): Convert the operands before calling
4798 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4799 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4801 2006-04-02 Roger Sayle <roger@eyesopen.com>
4803 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4804 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4806 * dojump.c (do_jump): Likewise.
4807 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4808 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4809 gimplify_boolean_expr): Likewise.
4810 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4811 * varasm.c (array_size_for_constructor): Likewise.
4812 * tree-object-size.c (compute_object_offset): Likewise.
4814 2006-04-02 Roger Sayle <roger@eyesopen.com>
4817 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4818 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4820 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4822 PR tree-optimization/26939
4823 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4827 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4828 at_stmt. Convert the type of operands before calling
4829 build_polynomial_chrec.
4830 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4832 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4833 (instantiate_parameters_1): Convert the type of operands before calling
4834 build_polynomial_chrec.
4835 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4836 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4837 reset_evolution_in_loop): Insert asserts to check the types of the
4839 (chrec_type): Moved...
4840 (eq_evolutions_p): Use operand_equal_p.
4841 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4842 the types of the operands.
4843 (chrec_type): ...here.
4844 * tree-data-ref.c (create_data_ref): Convert the operands before
4845 calling chrec_replace_initial_condition.
4846 (same_access_functions, analyze_subscript_affine_affine,
4847 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4848 (compute_subscript_distance, analyze_ziv_subscript,
4849 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4850 analyze_miv_subscript): Convert the operands before calling
4851 chrec_fold_minus or chrec_fold_plus.
4853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4855 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4856 the dependence_relations vector.
4857 (compute_data_dependences_for_loop): Adjust call to
4858 compute_all_dependences.
4860 2006-04-01 Roger Sayle <roger@eyesopen.com>
4861 Richard Henderson <rth@redhat.com>
4863 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4864 gimple_boolify on the condition before calling gimplify_expr.
4866 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4868 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4869 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4870 the frame size. Update to use the new macros.
4871 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4872 * config/xtensa/ieee754-df.S: Likewise.
4874 2006-03-31 Richard Henderson <rth@redhat.com>
4876 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4877 (make_edges): ... here. Control fallthru creation with a local
4878 variable. Do not play with fake edges.
4879 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4880 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4883 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4885 * dwarf2.h (DW64_CIE_ID): Define.
4886 * dwarf2out.c (DWARF_CIE_ID): Define.
4887 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4888 length header. Use DWARF_CIE_ID.
4889 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4890 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4892 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4894 * config/sh/linux-atomic.asm: New file.
4895 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4897 2006-03-31 DJ Delorie <dj@redhat.com>
4899 * config/m32c/cond.md: Set condition flags properly throughout.
4900 * config/m32c/minmax.md: Likewise.
4901 * config/m32c/prologue.md: Likewise.
4902 * config/m32c/bitops.md: Likewise.
4903 * config/m32c/muldiv.md: Likewise.
4904 * config/m32c/mov.md: Likewise.
4905 * config/m32c/addsub.md: Likewise.
4906 * config/m32c/m32c.md: Likewise.
4907 * config/m32c/jump.md: Likewise.
4908 * config/m32c/shift.md: Likewise.
4910 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4911 conditionally output the pattern for this.
4912 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4913 (m32c_compare_redundant): New.
4914 (m32c_output_compare): New.
4915 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4917 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4918 dest, not src. Allow other 4-byte modes.
4920 2006-03-30 Denis Chertykov <denisc@overta.ru>
4922 * doc/md.texi: Refer to avr/constraints.md instead of
4925 2006-03-30 Roger Sayle <roger@eyesopen.com>
4927 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4928 signed vs. unsigned comparison failures on some hosts.
4930 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4933 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4934 change to FLOAT_REGS.
4936 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4937 (rs6000_override_options): Use it.
4938 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4939 only for -mabi=spe/no-spe and -mabi=altivec.
4941 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4943 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4946 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4948 * Makefile.in: Rename docdir to gcc_docdir.
4950 2006-03-30 Roger Sayle <roger@eyesopen.com>
4953 * expr.c (emit_group_store): Optimize group stores into a pseudo
4954 register by using a paradoxical subreg to initialize the destination
4955 if the first or last member of the group specifies a "low part".
4957 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4960 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4961 * target.h (struct gcc_target.speculate_insn): Change type of the
4962 second parameter to 'int'.
4963 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4964 the second operand of the DEPS_LIST.
4965 (copy_DEPS_LIST_list): Update reference to the second operand of the
4967 * rtl.h (alloc_DEPS_LIST): Update signature.
4968 * sched-int.h (ds_t): Change typedef to 'int'.
4969 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4971 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4973 * haifa-sched.c (try_ready): Change condition to restore
4974 non-speculative pattern of the instruction.
4975 (process_insn_depend_be_in_spec): Code to keep probability of the
4976 speculative dependence non-decreasing.
4978 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4980 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4981 (single_move_for_movmem): ... this. Also change all uses.
4982 (bfin_expand_strmov): Renamed to...
4983 (bfin_expand_movmem): ... this. Also change all uses.
4984 * config/bfin/bfin.md (movstrsi): Renamed to...
4985 (movstrsi): ...this.
4987 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4989 PR tree-optimization/26830
4991 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4992 (copy_prop_visit_stmt): Remove write-only variable ann.
4993 (init_copy_prop): Check variable loop depth here. Do not simulate
4994 memory-tag and virtual operand PHIs except for store copy prop.
4996 2006-03-30 Richard Guenther <rguenther@suse.de>
4998 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4999 variants with double arguments.
5001 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5003 * genpreds.c (write_tm_constrs_h): Delete variable p.
5004 * genconditions.c (write_header): Add tm-constrs.h to included
5006 * genpeep.c (main): Add toplev.h to included headers.
5007 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5008 (build/genpeep.o): Add toplev.h dependency.
5009 * config/rs6000/constraints.md: Add "W" constraint.
5011 2006-03-29 Roger Sayle <roger@eyesopen.com>
5013 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5014 sizes by correctly testing whether the size fits a host integer.
5015 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5016 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5017 SImode range for the default sizetype and bitsizetype.
5019 2006-03-29 Roger Sayle <roger@eyesopen.com>
5021 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5022 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5023 quickly if the argument is already of the correct type.
5024 Call fold_build1 instead of build1. Tidy up blank lines.
5026 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5028 * genemit.c (main): Add tm-constrs.h to included headers.
5029 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5030 * genpeep.c (main): Add tm-constrs.h to included headers.
5031 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5032 (write_tm_constrs_h): this and write complete file.
5033 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5034 (write_insn_preds_c): Add tm-constrs.h to included headers.
5035 (gen_constrs): New variable.
5036 (parse_option): Parse "-c".
5037 (main): Invoke write_tm_constrs_h.
5038 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5039 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5040 (object_out_file): Add tm-constrs.h dependency.
5041 (insn-emit.o): Same.
5042 (insn-output.o): Same.
5043 (insn-peep.o): Same.
5044 (insn-preds.o): Same.
5045 (insn-recog.o): Same.
5046 (tm-constsr.h): New target.
5047 (s-constrs-h): New target.
5049 * config/rs6000/constraints.md: New file.
5050 * config/rs6000/rs6000.c: Include tm-constrs.h.
5051 (num_insn_constant_wide): Convert to satisfies_constraint.
5052 (rs6000_rtx_costs): Convert to satisfies_constraint.
5053 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5054 (CONST_OK_FOR_LETTER_P): Delete.
5055 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5056 (EXTRA_CONSTRAINT): Delete.
5057 (EXTRA_MEMORY_CONSTRAINT): Delete.
5058 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5059 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5060 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5061 satisfies_constraint.
5063 * config/i386/i386.c: Include tm-constrs.h.
5065 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5067 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5068 * tree-data-ref.c (find_data_references_in_loop,
5069 compute_data_dependences_for_loop): Use pointers to VEC.
5070 (analyze_all_data_dependences): Adjust calls.
5071 * tree-data-ref.h (find_data_references_in_loop,
5072 compute_data_dependences_for_loop): Adjust declarations.
5073 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5074 compute_data_dependences_for_loop.
5076 2006-03-29 Paul Brook <paul@codesourcery.com>
5078 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5081 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5083 PR tree-optimization/26859
5084 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5086 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5087 for the step after fold_convert.
5089 2006-03-29 Paul Brook <paul@codesourcery.com>
5091 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5092 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5094 2006-03-29 Paul Brook <paul@codesourcery.com>
5097 * targhooks.c (default_narrow_bitfield): New fuction.
5098 * targhooks.h (default_narrow_bitfield): add prototype.
5099 * target.h (gcc_target): Add narrow_volatile_bitfield.
5100 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5101 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5102 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5103 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5105 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5107 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5109 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5110 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5111 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5112 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5113 (s390_function_arg_float): Allow SDmode and DDmode values to be
5114 passed in floating point registers.
5115 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5116 check with SCALAR_FLOAT_MODE_P.
5117 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5119 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5121 PR tree-optimization/25985
5122 * tree-ssa-loop-niter.c (number_of_iterations_le,
5123 number_of_iterations_ne): Make comments more precise.
5124 (number_of_iterations_cond): Add only_exit argument. Use the
5125 fact that signed variables do not overflow only when only_exit
5127 (loop_only_exit_p): New.
5128 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5129 number_of_iterations_cond.
5131 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5133 PR tree-optimization/26643
5134 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5137 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5139 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5140 (divsi3_i4_int): Likewise.
5142 2006-03-28 Roger Sayle <roger@eyesopen.com>
5144 * expr.c (emit_group_store): Only create a new pseudo reg if the
5145 quantity it needs to hold isn't already a suitable pseudo.
5147 2006-03-28 Jeff Law <law@redhat.com>
5149 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5150 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5152 2006-03-28 Roger Sayle <roger@eyesopen.com>
5154 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5155 the equivalent ~X & Y, and the symmetry related transformations.
5156 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5157 ~X & Y, and symmetry related transforms.
5159 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5161 Revert my 2006-03-27 patches.
5163 2006-03-28 Roger Sayle <roger@eyesopen.com>
5165 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5166 ~(T1)X, when T1 and T2 are integer types of the same precision
5167 and (T2)X isn't an extension.
5169 2006-03-28 Jeff Law <law@redhat.com>
5171 PR tree-optimization/26796
5172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5173 need EH edge cleanups rather than purging them immediately.
5174 (eliminate_degenerate_phis): Handle queued EH cleanups.
5176 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5178 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5181 2006-03-27 Roger Sayle <roger@eyesopen.com>
5184 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5185 cast BIT_NOT_EXPR operand to the correct type.
5187 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5189 * tree-loop-linear.c: Don't include varray.h.
5190 (gather_interchange_stats, try_interchange_loops,
5191 linear_transform_loops): Use VEC instead of VARRAY.
5192 * lambda-mat.c: Don't include varray.h.
5193 * tree-chrec.c: Same.
5194 * lambda-trans.c: Same.
5195 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5196 VEC instead of VARRAY.
5197 * tree-vectorizer.h: Idem.
5198 * tree-data-ref.c (dump_data_references,
5199 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5200 initialize_data_dependence_relation, finalize_ddr_dependent,
5201 compute_all_dependences, find_data_references_in_loop,
5202 compute_data_dependences_for_loop, analyze_all_data_dependences,
5203 free_dependence_relation, free_dependence_relations,
5204 free_data_refs): Idem.
5205 * tree-data-ref.h (data_reference_p, subscript_p): New.
5206 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5207 VEC instead of VARRAY.
5208 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5209 (find_data_references_in_loop, compute_data_dependences_for_loop,
5210 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5211 dump_data_dependence_relations, free_dependence_relations,
5212 free_data_refs): Adjust declaration.
5213 (lambda_transform_legal_p): Move declaration here...
5214 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5215 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5216 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5217 vect_analyze_data_refs): Use VEC instead of VARRAY.
5218 * lambda.h (lambda_transform_legal_p): ...from here.
5219 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5220 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5221 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5222 tree-chrec.o): Don't depend on VARRAY_H.
5224 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5226 * rtl.def (Copyright): Update date.
5227 (DEPS_LIST): Change type of the second operand to 'int'.
5228 * target.h (Copyright): Update date.
5229 (struct gcc_target.speculate_insn): Change type of the second parameter
5231 * lists.c (Copyright): Update date.
5232 (alloc_DEPS_LIST): Change signature. Update reference to the second
5233 operand of the DEPS_LIST.
5234 (copy_DEPS_LIST_list): Update reference to the second operand of the
5236 * rtl.h (Copyright): Update date.
5237 (alloc_DEPS_LIST): Update signature.
5238 * sched-int.h (Copyright): Update date.
5239 (ds_t): Change typedef to 'int'.
5240 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5242 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5244 * haifa-sched.c (Copyright): Update date.
5245 (try_ready): Change condition to restore non-speculative pattern
5247 (process_insn_depend_be_in_spec): Code to keep probability of the
5248 speculative dependence non-decreasing.
5250 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5252 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5253 shut up the compiler.
5255 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5257 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5258 to use lib prefix for target.
5259 ($(T)libic_invalidate_array_4-200.a): Likewise.
5260 ($(T)libic_invalidate_array_4a.a): Likewise.
5262 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5263 J"orn Rennecke <joern.rennecke@st.com>
5265 * superh.opt: New file.
5266 * sh.c (boardtype, osruntime): Remove.
5267 * superh.h (SUBTARGET_OPTIONS): Remove.
5268 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5270 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5271 arguments with ^ and/or [].
5273 * config.gcc (sh-*-*): Add quoting to account for quirk of
5275 Replace == with = in enable_incomplete_targets test.
5277 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5278 with MASK_LITTLE_ENDIAN.
5280 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5281 * config/sh/sh.opt: Added to some comments.
5282 * config/sh/superh.h: Removed some chaff.
5284 * config/sh/sh.opt: Add m4-[1234]00* options.
5285 * config/sh/sh.c (sh_handle_option): Likewise.
5286 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5287 (ic_invalidate_array_4-100.o): New rule.
5288 ($(T)libic_invalidate_array_4-100.a): Likewise.
5289 (ic_invalidate_array_4-200.o): Likewise.
5290 ($(T)libic_invalidate_array_4-200.a): Likewise.
5291 (ic_invalidate_array_4a.o): Likewise.
5292 ($(T)libic_invalidate_array_4a.a): Likewise.
5293 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5294 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5296 * config/sh/crt1.asm: Merged in profiling code.
5297 * config/sh/superh.h (STARTFILE_SPEC): Override.
5298 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5299 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5300 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5302 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5303 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5304 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5306 * sh.opt (mpretend-cmove): New option.
5307 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5308 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5309 (movsicc): Add TARGET_PRETEND_CMOVE code.
5311 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5313 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5314 s390_class_max_nregs): New function prototypes.
5315 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5316 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5317 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5318 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5320 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5322 * dwarf2out.c (add_location_or_const_value_attribute): Call
5323 tree_add_const_value_attribute if nothing else works.
5324 (reference_to_unused): New.
5325 (rtl_for_decl_init): Use reference_to_unused to decide whether
5326 to output an initializer.
5328 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5331 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5332 peephole removing spe frob_di_df_2.
5334 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5336 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5337 (subscript_dependence_tester_1): Declared.
5338 (print_dir_vectors, print_dist_vectors): New.
5339 (debug_data_dependence_relation): New.
5340 (dump_data_dependence_relation): Print more details.
5341 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5342 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5343 (save_dist_v, save_dir_v, add_outer_distances,
5344 build_classic_dist_vector_1): New.
5345 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5346 Don't test for lambda_vector_lexico_pos.
5347 (same_access_functions, add_multivariate_self_dist,
5348 add_other_self_distances, dir_from_dist): New.
5349 (build_classic_dir_vector): Replace implementation almost identical to
5350 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5352 (subscript_dependence_tester_1): New.
5353 (subscript_dependence_tester): Handle the lexicographically negative
5354 distance vectors by recomputing the dependence relation.
5355 (compute_affine_dependence): Remove parameter loop_nest_depth.
5356 (compute_self_dependence): Don't call compute_subscript_distance.
5357 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5358 Add a parameter for the loop_nest.
5359 (find_loop_nest_1, find_loop_nest): New.
5360 (compute_data_dependences_for_loop): Compute the loop nest, and give
5361 up if the nest is not well formed.
5362 * tree-data-ref.h (loop_p): New.
5363 (struct data_dependence_relation): Replace size_vect field with
5364 loop_nest, a vec of loops.
5365 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5366 (DDR_LOOP_NEST): New.
5367 (print_dir_vectors, print_dist_vectors,
5368 debug_data_dependence_relation): Declared.
5369 (index_in_loop_nest): New.
5370 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5371 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5374 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5376 * simplify-rtx.c (simplify_relational_operation): Call
5377 simplify_relational_operation_1 even if mode is VOIDmode.
5379 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5381 PR tree-optimization/26804
5382 * tree.h (DECL_CALL_CLOBBERED): New macro.
5383 (tree_decl_common): Add call_clobbered_flag.
5384 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5385 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5386 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5387 (mark_non_addressable): Ditto.
5388 * tree-ssa.c (verify_call_clobbered): New function.
5389 (verify_alias_info): Use it.
5390 * tree-pass.h (pass_reset_cc_flags): New prototype.
5391 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5392 (reset_cc_flags): New function.
5393 * passes.c (init_optimization_passes): Call reset_cc_flags after
5394 initializing referenced_vars.
5396 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5397 Roger Sayle <roger@eyesopen.com>
5400 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5401 to 1.0 for non-real operands. Implement A / A optimization for
5404 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5406 * config/i386/i386.c (size_cost): Correct the comment for
5407 cost of storing fp registers.
5408 (i386_cost): Likewise.
5409 (i486_cost): Likewise.
5410 (pentium_cost): Likewise.
5411 (pentiumpro_cost): Likewise.
5412 (k6_cost): Likewise.
5413 (athlon_cost): Likewise.
5414 (k8_cost): Likewise.
5415 (pentium4_cost): Likewise.
5416 (nocona_cost): Likewise.
5417 (generic64_cost): Likewise.
5418 (generic32_cost): Likewise.
5420 2006-03-24 Denis Chertykov <denisc@overta.ru>
5422 * config/avr/avr-protos.h (extra_constraint): Delete.
5423 (extra_constraint_Q): New declaration.
5424 * config/avr/constraints.md: New file.
5425 * config/avr/avr.md: Include it.
5426 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5427 (TMP_REGNO, ZERO_REGNO): Likewise.
5428 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5429 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5430 (extra_constraint): Delete.
5431 (extra_constraint_Q): Test for memory constraint 'Q'.
5432 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5433 (REG_CLASS_FROM_LETTER): Delete.
5434 (CONST_OK_FOR_LETTER_P): Delete.
5435 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5436 (EXTRA_CONSTRAINT): Delete.
5437 (TMP_REGNO): Delete.
5438 (ZERO_REGNO): Delete.
5440 2006-03-24 Jeff Law <law@redhat.com>
5442 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5443 directly. Call mark_new_vars_to_rename slightly earlier.
5445 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5447 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5449 (gen_compile_unit_die): Use new language types for Objective-C and
5451 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5452 DW_LANG_C_plus_plus.
5455 * config/t-darwin (crt3.o): Work around bug 26840.
5456 * config/darwin-crt3.c: Rewrite.
5457 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5459 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5461 * doc/invoke.texi: Document -femit-class-debug-always
5462 * common.opt: Add -femit-class-debug-always.
5464 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5466 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5467 index and base register.
5468 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5469 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5470 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5471 REGNO_OK_FOR_INDEX_P.
5472 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5474 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5475 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5476 REG_OK_FOR_BASE_P): Definitions removed.
5478 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5481 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5482 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5483 set yet or weren't marked as local yet.
5485 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5487 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5490 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5492 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5493 (rs6000_legitimate_small_data_p): Delete.
5494 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5495 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5496 and make static. Add forward declaration. Update uses.
5497 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5498 of offsettable_memref_p.
5499 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5500 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5502 2006-03-24 Jeff Law <law@redhat.com>
5504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5505 around bug in immediate-use iterator.
5507 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5510 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5511 or __LITTLE_ENDIAN__.
5513 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5515 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5516 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5517 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5518 * config/sh/sh.opt (mdiv=): Amend description.
5519 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5520 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5521 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5522 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5523 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5524 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5525 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5526 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5527 TARGET_DIVIDE_CALL_FP.
5529 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5531 * haifa-sched.c (choose_ready): Fix type of the local variable.
5532 Move local variables. Add comment.
5533 (check_reg_live): Change signature. Make callable from debugger.
5534 * sched-int.h (check_reg_live): Update signature.
5535 * sched-ebb.c (check_reg_live): Update parameters.
5536 * sched-rgn.c (check_reg_live): Ditto.
5537 (region_head_or_leaf_p): Check pointer before dereferencing.
5538 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5539 before reload on optimization levels below 1.
5541 2006-03-23 Richard Henderson <rth@redhat.com>
5543 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5547 * config/alpha/predicates.md (local_symbolic_operand): Reject
5550 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5553 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5554 expressions which have overflowed constants.
5556 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5558 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5560 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5562 * cfgloopmanip.c (create_loop_notes): Removed.
5563 * final.c (final_scan_insn): Do not handle loop notes.
5564 * jump.c (squeeze_notes): Ditto.
5565 * cfglayout.c (skip_insns_after_block,
5566 duplicate_insn_chain): Ditto.
5567 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5569 * cfgloop.h (create_loop_notes): Declaration removed.
5571 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5573 * varasm.c (output_constant_pool): Restore fnname and fndecl
5575 (assemble_start_function): Adjust call accordingly.
5576 (assemble_end_function): Likewise.
5578 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5581 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5584 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5586 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5589 * system.h (ICE_EXIT_CODE): New macro.
5590 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5591 (diagnostic_action_after_output): Likewise.
5592 * gcc.c (fatal_ice): New function.
5593 (execute): Use it instead of fatal.
5594 (fancy_abort): Likewise.
5595 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5597 2006-03-22 Jeff Law <law@redhat.com>
5599 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5600 iv_analyze_result returning false.
5602 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5604 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5606 2006-03-22 Richard Henderson <rth@redhat.com>
5609 * except.c (duplicate_eh_regions_0): New.
5610 (duplicate_eh_region_1): Duplicate the children of the node as
5611 well as the node itself. Link them up properly.
5612 (duplicate_eh_region_2): Merge into ...
5613 (duplicate_eh_regions): ... here. Take copy_region argument, and
5614 copy only a sub-tree if asked. Simplify copying and fixup.
5615 (eh_region_outer_p): New.
5616 * except.h (duplicate_eh_regions): Update decl.
5617 (eh_region_outer_p): Declare.
5618 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5619 (lower_omp_master): Likewise.
5620 (lower_omp_ordered): Likewise.
5621 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5622 (move_stmt_r): Use it to remap labels. Handle recursion vs
5623 remap_decls_p properly.
5624 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5625 (find_outermost_region_in_block): New.
5626 (new_label_mapper): New.
5627 (move_sese_region_to_fn): Copy eh information to the new function
5629 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5631 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5634 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5636 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5637 into shared libraries.
5639 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5641 * doc/md.texi: Refer to i386/constraints.md instead of
5643 * config/i386/constraints.md: New file, extracted from...
5644 * config/i386/predicates.md: ...here.
5645 * config/i386/i386.md: Include constraints.md.
5647 2006-03-21 Jason Merrill <jason@redhat.com>
5649 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5652 * expr.c (init_block_move_fn): Force default visibility.
5653 (init_block_clear_fn): Likewise.
5654 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5655 * targhooks.c (default_external_stack_protect_fail): Likewise.
5657 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5659 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5660 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5661 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5662 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5663 (loadgp): Use mips_current_loadgp_style.
5664 (loadgp_noshared): New pattern.
5665 (sibcall_internal): Use MIPS_CALL.
5666 (sibcall_value_internal): Likewise.
5667 (sibcall_value_multiple_internal): Likewise.
5668 (call_internal): Likewise.
5669 (call_value_internal): Likewise.
5670 (call_value_multiple_internal): Likewise.
5671 (call_split): Use MIPS_CALL and add an 'S' constraint.
5672 (call_value_split): Likewise.
5673 (call_value_multiple_split): Likewise.
5674 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5675 (-mshared): New option.
5676 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5677 (mips_current_loadgp_style): Declare.
5678 * config/mips/mips.c (mips_classify_symbol): Avoid using
5679 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5680 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5681 TARGET_ABSOLUTE_ABICALLS.
5682 (override_options): Adjust comments. Improve the warning that is
5683 issued when -mabicalls and -G are used together.
5684 (mips_file_start): Remove comment.
5685 (mips_current_loadgp_style): New function.
5686 (mips_gnu_local_gp): New variable.
5687 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5689 (mips_output_function_prologue): Use mips_current_laodgp_style.
5690 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5691 the cprestore instruction.
5692 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5693 live for TARGET_ABSOLUTE_ABICALLS.
5694 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5695 (ASM_SPEC): Pass down -mshared and -mno-shared.
5696 (MIPS_CALL): New macro.
5697 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5699 * doc/invoke.texi (-mabicalls): Update documentation.
5700 (-mshared): Document.
5702 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5704 * config/ia64/unwind-hpux.c: New file.
5705 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5707 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5710 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5712 2006-03-21 Jeff Law <law@redhat.com>
5714 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5715 type conversions of a VR_VARYING source to a wider type.
5717 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5719 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5720 tm_file on Solaris 10 and later.
5721 (sparc64-*-solaris2*): Likewise.
5722 (sparc-*-solaris2*): Likewise.
5723 * config/sol26.h: Rename to config/sol2-6.h.
5724 * config/sol2-10.h: New file.
5726 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5729 * tree-ssa-pre.c (create_component_ref_by_pieces):
5732 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5735 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5736 return it immediately.
5738 2006-03-21 Michael Matz <matz@suse.de>
5740 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5742 (remove_arc, add_arc): Update num_out_arcs member.
5743 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5745 (cache_presence): New function.
5746 (compare_states_for_equiv): New function.
5747 (state_is_differed): Don't take number of outargs, adjust callers.
5748 Use new invariant for speeding up.
5749 (init_equiv_class): Create initial classes based on sorted
5751 (partition_equiv_class): Don't track out_arcs_num.
5752 (evaluate_equiv_classes): Call cache_presence on all states and
5755 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5757 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5758 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5759 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5760 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5762 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5763 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5764 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5765 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5766 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5768 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5769 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5770 (REGNO_REG_CLASS): ARGP is in PREGS.
5771 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5773 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5774 to deal with those addresses.
5775 * addresses.h: New file.
5776 * caller-save.c: Include "addresses.h".
5777 (init_caller_save): Use new base_reg_class function.
5778 * rtl-factoring.c: Include "addresses.h".
5779 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5780 * recog.c: Include "addresses.h".
5781 (preprocess_constraints): Use new base_reg_class function.
5782 * regrename.c: Include "addresses.h".
5783 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5784 functions. Keep track of a new var INDEX_CODE to compute valid
5786 (replace_oldest_value_addr): Likewise.
5787 (replace_oldest_value_mem): Use base_reg_class.
5788 * reload.c: Include "addresses.h".
5789 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5790 (find_reloads): Use new base_reg_class function.
5791 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5792 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5793 all callers and prototype changed.
5794 * reload1.c: Include "addresses.h".
5795 (maybe_fix_stack_asms): Use base_reg_class.
5796 * regclass.c: Include "addresses.h".
5797 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5798 (init_reg_autoinc): Use new base_reg_class function.
5799 (record_reg_classes): Likewise.
5800 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5801 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5802 Use new args to compute necessary class.
5804 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5805 regrename.o, rtl-factoring.o): Update dependencies.
5806 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5807 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5808 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5809 REG_OK_FOR_INDEX_P): Delete documentation.
5811 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5813 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5814 from V7 to V9 for Solaris 7 and above.
5816 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5818 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5819 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5820 argument pointers may not alias any other storage.
5821 * common.opt: Define option -fargument-noalias-anything.
5822 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5823 alias semantics is specified by flag_argument_noalias > 2.
5825 2006-03-20 Jeff Law <law@redhat.com>
5827 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5828 (pass_phi_only_cprop): Declare.
5829 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5831 * tree-ssa-dom.c (degenerate_phi_result): New function.
5832 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5833 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5834 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5835 (eliminate_degenerate_phis): Likewise.
5836 (pass_phi_only_cprop): New pass descriptor.
5837 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5838 support code. Callers updated.
5839 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5840 (store_copy_prop): Likewise.
5841 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5843 2006-03-20 Jason Merrill <jason@redhat.com>
5846 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5847 (push_visibility, pop_visibility): Likewise.
5848 * c-pragma.h: Declare them.
5850 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5852 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5854 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5855 parameter and use get_ebb_head_tail.
5856 (sh_md_init_global): Adjust uses of find_regmode_weight.
5858 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5860 * function.h (struct function) <x_tail_recursion_reentry>:
5861 Rename to x_stack_check_probe_note.
5862 (tail_recursion_reentry): Rename to stack_check_probe_note.
5863 * function.c: Replace tail_recursion_reentry with
5864 stack_check_probe_note everywhere.
5865 (expand_function_start): Only emit a note for
5866 stack_check_probe_note with -fstack-protect.
5867 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5869 * emit-rtl.c (remove_unnecessary_notes): Remove.
5870 (pass_remove_unnecessary_notes): Remove.
5871 * rtl.h (remove_unnecessary_notes): Remove prototype.
5872 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5873 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5874 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5876 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5879 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5880 (valid_in_set): Handle ARRAY_REF.
5881 Change "if min_variant or VH" to asserts.
5882 (create_component_ref_by_pieces): Handle ARRAY_REF.
5883 (create_expression_by_pieces): Likewise.
5884 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5886 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5888 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5889 is operand of switch, not str[0].
5891 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5893 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5894 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5896 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5898 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5899 end of insn_extra_address_constraint declaration.
5901 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5903 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5904 (no-sum-in-toc): Same.
5905 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5907 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5908 NO_FP_IN_TOC for -fPIC instead of mask.
5910 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5911 (BOOT_LDFLAGS): Delete.
5913 * config/rs6000/t-aix52: Same.
5915 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5916 (stmsi[345678]_power): New.
5918 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5920 * config/ia64/ia64.opt: Add empty line to end of file.
5922 2006-03-17 Richard Guenther <rguenther@suse.de>
5925 * builtins.c (get_pointer_alignment): For component style references
5926 adjust alignment to the component type alignment. Make sure
5927 to adjust alignment for component access of constants.
5929 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5931 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5934 2006-03-17 Paul Brook <paul@codesourcery.com>
5936 * doc/install.texi: Docuemnt --with-mode.
5937 * config.gcc: Add --with-mode for arm*-*-*.
5938 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5940 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5942 * sh.c (max_labelno_before_reorg): New variable.
5943 (sh_reorg): Initialize it.
5944 (find_barrier): Check max_labelno_before_reorg before using
5945 label_to_alignment. Take length of explicit alignment insns
5946 into account. When seeing a UNSPECV_CONST_END, return it.
5948 * sh.c (fixup_mova): Set mode of affected label to QImode.
5949 (untangle_mova): New function.
5950 (find_barrier): Use it. Check mode of label before decrementing
5952 (sh_reorg): Likewise.
5953 Set mode of all insns back to VOIDmode.
5955 * sh.c (MOVA_LABELREF): New macro.
5956 (mova_p, fixup_mova, sh_reorg): Use it.
5957 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5958 ADDR_DIFF_VEC matches mova.
5960 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5962 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5963 with ATTRIBUTE_UNUSED.
5965 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5967 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5968 pointer, instead of assuming it is possible to derive the
5969 correct args size from a call insn.
5971 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5973 * rtl.h (CONST_INT_P): Define.
5974 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5975 instead of GET_CODE(x) == CONST_INT.
5976 (vax_rtx_costs): Likewise.
5977 (vax_output_int_move): Likewise.
5978 (vax_output_int_add): Likewise.
5979 (legitimate_constant_address_p): Likewise.
5980 (index_term_p): Likewise.
5981 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5982 * config/vax/vax.md (and<mode>3): Likewise.
5983 (ashrsi3): Likewise.
5985 (movstricthi): Likewise.
5986 (movstrictqi): Likewise.
5987 (rotrsi3): Likewise.
5988 (five unnamed insns): Likewise.
5990 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5992 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5993 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5994 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5995 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5996 Pass to ASM_OUTPUT_DWARF_OFFSET.
5997 * dwarf2out.c (debug_frame_section): New.
5998 (output_call_frame_info): Use debug_frame_section. Pass it to
5999 dw2_asm_output_offset.
6000 (output_die): Pass appropriate section to dw2_asm_output_offset.
6001 (output_compilation_unit_header): Likewise.
6002 (output_pubnames): Likewise.
6003 (output_aranges): Likewise.
6004 (enum dw_val_class): Break dw_val_class_lbl_offset into
6005 dw_val_class_lineptr and dw_val_class_macptr.
6006 (add_AT_lbl_offset): Delete.
6007 (add_AT_lineptr): New.
6008 (add_AT_macptr): New.
6009 (AT_lbl): Expect a lineptr or macptr.
6010 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6011 (attr_checksum): Likewise.
6012 (same_dw_val_p): Likewise.
6013 (size_of_die): Likewise.
6014 (value_format): Likewise.
6015 (output_die): Likewise.
6016 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6018 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6019 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6020 * config/darwin-protos.h (darwin_file_start): New.
6021 (darwin_asm_output_dwarf_offset): New.
6022 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6023 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6025 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6026 if not EH section; simplify.
6027 (darwin_file_start): New.
6028 (darwin_asm_output_dwarf_offset): New.
6029 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6031 (DEBUG_INFO_SECTION): Likewise.
6032 (DEBUG_ABBREV_SECTION): Likewise.
6033 (DEBUG_ARANGES_SECTION): Likewise.
6034 (DEBUG_MACINFO_SECTION): Likewise.
6035 (DEBUG_LINE_SECTION): Likewise.
6036 (DEBUG_LOC_SECTION): Likewise.
6037 (DEBUG_PUBNAMES_SECTION): Likewise.
6038 (DEBUG_STR_SECTION): Likewise.
6039 (DEBUG_RANGES_SECTION): Likewise.
6040 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6041 (ASM_OUTPUT_DWARF_OFFSET): New.
6043 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6045 * config.gcc (tm_defines): Always add to previous value rather
6048 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6050 * config/mips/predicates.md (splittable_const_int_operand): New,
6051 split from move_operand.
6052 (splittable_symbolic_operand): New.
6053 (move_operand): Add commentary. Use splittable_const_int_operand.
6054 Inline mips_atomic_symbolic_constant_p.
6055 * config/mips/mips.md: Add combine splitters for handling moves
6056 of splittable_const_int_operands and splittable_symbolic_operands.
6057 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6058 (mips_split_symbol): Declare.
6059 (mips_move_integer): Declare.
6060 * config/mips/mips.c (mips_split_p): Make global.
6061 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6062 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6063 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6064 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6065 (mips_offset_within_object_p): Handle block symbols.
6066 (mips_atomic_symbolic_constant_p): Delete.
6067 (mips_cannot_force_const_mem): Return false for constants that
6068 mips_legitimize_move can handle.
6069 (mips_use_blocks_for_constant_p): New function.
6070 (mips_split_symbol): Make global.
6071 (mips_move_integer): Likewise. Add a temporary register argument.
6072 (mips_legitimize_const_move): Use splittable_const_int_operand and
6073 splittable_symbolic_operand.
6074 (mips_use_anchors_for_symbol_p): New function.
6075 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6076 (mips_split_p): Declare.
6078 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6080 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6081 (mips*-*-linux*): Likewise.
6083 2006-03-16 Roger Sayle <roger@eyesopen.com>
6084 Daniel Speyer <dspeyer@wam.umd.edu>
6087 * tree-dump.c (dump_real): New function.
6088 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6089 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6090 (tree-dump.o): Add $(REAL_H) to the dependencies.
6092 2006-03-16 Roger Sayle <roger@eyesopen.com>
6095 * real.c (real_from_string): If the mantissa is zero, don't bother
6096 parsing the exponent as the result should always be zero.
6098 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6100 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6102 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6104 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6105 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6106 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6107 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6108 ia64_sched_finish_global): New static functions to implement
6109 hooks from gcc_target.sched.
6110 (spec_check_no, max_uid, pending_data_specs): New static variables.
6111 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6112 ia64_spec_check_src_p): New static functions.
6113 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6114 (TARGET_SCHED_ADJUST_COST): Removed.
6115 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6116 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6117 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6118 TARGET_SCHED_GEN_CHECK,
6119 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6120 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6121 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6122 Fixed to handle speculation checks.
6123 (rtx_needs_barrier): Fixed to handle speculative loads and
6125 (ia64_variable_issue): Added code to count speculative loads and their
6127 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6129 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6131 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6133 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6134 (ia64_reorg): Reset stops_p to NULL after it is freed.
6135 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6136 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6137 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6139 (data_speculative, control_speculative, check_load): New attributes.
6140 (mov<mode>_advanced, mov<mode>_speculative,
6141 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6142 zero_extend<mode>di2_speculative,
6143 zero_extend<mode>di2_speculative_advanced): New patterns for
6144 data and control speculative loads.
6145 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6147 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6148 New pattern for data and control speculation checks.
6149 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6150 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6151 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6152 Auxiliary definitions for the patterns.
6153 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6154 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6156 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6158 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6159 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6160 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6161 New resource constraints.
6162 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6164 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6165 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6166 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6167 msched-in-control-spec, msched-ldc, msched-control-ldc,
6168 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6169 msched-prefer-non-control-spec-insns,
6170 msched-count-spec-in-critical-path): New flags to tune speculative
6172 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6173 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6174 msched-in-control-spec, msched-ldc, msched-control-ldc,
6175 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6176 msched-prefer-non-control-spec-insns,
6177 msched-count-spec-in-critical-path): Document new flags.
6179 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6181 * target.h (struct spec_info_def): New opaque declaration.
6182 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6183 speculate_insn, needs_block_p, gen_check,
6184 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6185 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6186 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6187 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6188 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6189 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6191 (TARGET_SCHED): Use new macros.
6192 * rtl.h (copy_DEPS_LIST_list): New prototype.
6193 * sched-int.h (struct sched_info): Change signature of new_ready field,
6194 adjust all initializations. New fields: add_remove_insn,
6195 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6196 region_head_or_leaf_p.
6197 (struct spec_info_def): New structure declaration.
6198 (spec_info_t): New typedef.
6199 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6200 recovery_block, orig_pat.
6201 (glat_start, glat_end): New variables declaraions.
6202 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6204 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6205 DETACH_LIFE_INFO, USE_GLAT.
6206 (enum SPEC_SCHED_FLAGS): New enumeration.
6207 (NOTE_NOTE_BB_P): New macro.
6208 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6209 attach_life_info, debug_spec_status, check_reg_live): New functions.
6210 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6211 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6213 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6214 * ddg.c (get_block_head_tail): Adjust all uses.
6215 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6216 (sms_sched_info): Initialize new fields.
6217 (contributes_to_priority): Removed.
6218 * haifa-sched.c (params.h): New include.
6219 (get_block_head_tail): Adjust all uses.
6220 (ISSUE_POINTS): New macro.
6221 (glat_start, glat_end): New global variables.
6222 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6223 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6224 old_last_basic_block, before_recovery, current_sched_info_var,
6225 rgn_n_insns, luid): New static variables.
6226 (insn_cost1): New function. Move logic from insn_cost to here.
6227 (find_insn_reg_weight1): New function. Move logic from
6228 find_insn_reg_weight to here.
6229 (reemit_notes, move_insn, max_issue): Change signature.
6230 (move_insn1): Removed.
6231 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6232 extend_bb): New static functions to support extension of scheduler's
6234 (generate_recovery_code, process_insn_depend_be_in_spec,
6235 begin_speculative_block, add_to_speculative_block,
6236 init_before_recovery, create_recovery_block, create_check_block_twin,
6237 fix_recovery_deps): New static functions to support
6238 generation of recovery code.
6239 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6240 restore_bb_notes, move_block_after_check, move_succs): New static
6241 functions to support ebb scheduling.
6242 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6243 functions to support handling of register live information.
6244 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6245 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6246 add_jump_dependencies): New static functions.
6247 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6248 consistancy checking.
6249 (debug_spec_status): New function to call from debugger.
6250 (priority): Added code to handle speculation checks.
6251 (rank_for_schedule): Added code to distinguish speculative instructions.
6252 (schedule_insn): Added code to handle speculation checks.
6253 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6254 Fixed to handle ebbs.
6255 (move_insn): Added code to handle ebb scheduling.
6256 (max_issue): Added code to use ISSUE_POINTS of instructions.
6257 (choose_ready): Added code to choose between speculative and
6258 non-speculative instructions.
6259 (schedule_block): Added code to handle ebb scheduling and scheduling of
6260 speculative instructions.
6261 (sched_init): Initialize new variables.
6262 (sched_finish): Free new variables. Print statistics.
6263 (try_ready): Added code to handle speculative instructions.
6264 * lists.c (copy_DEPS_LIST_list): New function.
6265 * sched-deps.c (extend_dependency_caches): New function. Move logic
6266 from create_dependency_caches to here.
6267 (get_dep_weak, ds_merge): Make global.
6268 * genattr.c (main): Code to output prototype for
6269 dfa_clear_single_insn_cache.
6270 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6271 (output_dfa_clean_insn_cache_func): Code to output
6272 dfa_clear_single_insn_cache function.
6273 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6275 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6277 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6278 New static variables.
6279 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6280 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6282 (ebb_sched_info): Initialize new fields.
6283 (get_block_head_tail): Adjust all uses.
6284 (compute_jump_reg_dependencies): Fixed to use glat_start.
6285 (schedule_ebb): Code to remove unreachable last block.
6286 (schedule_ebbs): Added code to update register live information.
6287 * sched-rgn.c (region_sched_info): Initialize new fields.
6288 (get_block_head_tail): Adjust all uses.
6289 (last_was_jump): Removed. Adjust users.
6290 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6291 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6292 Implement new hooks.
6293 (check_dead_notes1): New static function.
6294 (struct region): New fields: dont_calc_deps, has_real_ebb.
6295 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6296 (BB_TO_BLOCK): Fixed to handle EBBs.
6297 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6298 (ebb_head): New static variable.
6299 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6300 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6302 (compute_dom_prob_ps): New assertion.
6303 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6304 global_live_at_start.
6305 (init_ready_list): New assertions.
6306 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6307 (new_ready): Add support for BEGIN_CONTROL speculation.
6308 (schedule_insns): Fixed code that updates register live information
6310 (schedule_region): Fixed to handle EBBs.
6311 (init_regions): Use extend_regions and check_dead_notes1.
6312 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6313 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6314 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6315 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6316 TARGET_SCHED_GEN_CHECK,
6317 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6318 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6319 * doc/invoke.texi (max-sched-insn-conflict-delay,
6320 sched-spec-prob-cutoff): Document.
6322 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6324 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6325 inter_tick, queue_index.
6326 (struct sched_info): Change signature of init_ready_list field.
6327 Adjust all initializations.
6328 (RESOLVED_DEPS): New access macro.
6329 (ready_add): Remove prototype.
6330 (try_ready): Add prototype.
6331 * sched-rgn.c (init_ready_list): Use try_ready.
6332 (schedule_region): Initialize
6333 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6334 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6335 (init_ready_list): Use try_ready.
6336 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6337 * lists.c (remove_list_elem): Remove `static'.
6338 (remove_free_INSN_LIST_elem): New function.
6339 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6340 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6341 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6343 (readyp): New variable.
6344 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6345 change_queue_index, resolve_dep): New static functions.
6346 (try_ready): New function. Adjust callers in sched-rgn.c and
6347 sched-ebb.c to use it instead of ready_add.
6348 (clock_var): Move at the begining of file.
6349 (rank_for_schedule): Fix typo.
6350 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6351 (ready_lastpos): Enforce assertion.
6352 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6354 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6355 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6356 (queue_to_ready): Use free_INSN_LIST_list.
6357 (early_queue_to_ready): Fix typo.
6358 (schedule_block): Init readyp. Move init_ready_list call after the
6359 initialization of clock_var. Fix error in rejecting insn by
6360 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6361 that previously corrected INSN_TICKs. Add code for handling
6363 (set_priorities): Fix typo.
6364 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6365 Clarify comment and code that keeps current_sched_info->next_tail
6368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6370 * sched-rgn.c (extend_rgns): New static function.
6371 (find_rgns): Use it.
6372 (gather_region_statistics, print_region_statistics): New static
6374 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6375 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6378 Andrey Belevantsev <abel@ispras.ru>
6380 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6381 * lists.c (unused_deps_list): New variable.
6382 (free_list): Add assertions to verify the proper distinguishing
6383 between INSN_LISTs and DEPS_LISTs.
6384 (find_list_elem, remove_list_elem, remove_list_node): New static
6386 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6387 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6388 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6389 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6391 (free_INSN_LIST_node): Likewise.
6392 * modulo-sched.c (current_sched_info): Initialize flags field.
6393 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6394 * rtl.def (DEPS_LIST): Define.
6395 * rtl.h: Declare new functions from lists.c.
6396 * sched-deps.c (spec_dependency_cache): New static variable.
6397 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6398 (add_dependence): Change return type to void. Move the logic to ...
6399 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6400 (delete_all_dependences): Add comment about forward_dependency_cache.
6401 Handle spec_dependency_cache. Handle DEPS_LISTs.
6402 (fixup_sched_groups): Clarify the change of priority of output
6403 and anti dependencies.
6404 (sched_analyze_2): Adjust add_dependence calls to create data
6405 speculative dependence.
6406 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6407 Adjust all callers. Handle DEPS_LISTS.
6408 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6409 presence of speculation.
6410 (init_dependency_caches, free_dependency_caches):
6411 Handle spec_dependency_cache.
6412 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6413 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6414 New static functions.
6415 (add_or_update_back_dep, add_or_update_back_forw_dep,
6416 add_back_forw_dep, delete_back_forw_dep): New functions.
6417 * sched-int.h (ds_t, dw_t): New typedefs.
6418 (struct sched_info): Add new field flags.
6419 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6420 Prototype new sched-deps.c functions.
6421 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6422 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6423 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6424 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6425 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6426 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6428 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6430 * sched-rgn.c (current_sched_info): Initialize flags field.
6431 (schedule_insns): Initialize current_sched_info before the sched_init
6433 * sched-ebb.c (current_sched_info): Initialize flags field.
6434 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6435 Call add_or_update_back_dep instead of add_dependence.
6436 Create control speculative dependencies.
6437 (schedule_insns): Initialize current_sched_info before the sched_init
6440 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6442 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6444 (sh_fallback_frame_state): Likewise.
6446 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6448 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6449 Do switch on default_use_cxa_atexit.
6450 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6451 * config/darwin-crt3.o: New.
6452 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6453 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6454 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6456 * config/rs6000/t-darwin: Move crt2.o building to here.
6457 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6458 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6461 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6463 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6464 from '! xxx' to '!xxx' for coding-style conformance.
6465 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6466 (EXTRA_CONSTRAINT): Likewise.
6467 * config/vax/vax.md (four unnamed insns): Likewise.
6469 2006-03-15 Paul Brook <paul@codesourcery.com>
6471 * config/arm/arm.c (minipool_pad): New.
6472 (add_minipool_forward_ref): Include pool alignment padding in address
6474 (push_minipool_fix): Set minipool_pad.
6475 (minipool_pad): Ditto.
6477 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6479 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6480 instead of GET_CODE() == MEM and REG_P() instead of
6482 (print_operand_address): Likewise.
6483 (vax_address_cost): Likewise.
6484 (vax_rtx_costs): Likewise.
6485 (vax_notice_update_cc): Likewise.
6486 (vax_output_int_add): Likewise.
6487 (INDEX_REGISTER_P): Likewise.
6488 (BASE_REGISTER_P): Likewise.
6489 (nonindexed_address_p): Likewise.
6490 (vax_mode_dependent_address_p): Likewise.
6491 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6492 (PRINT_OPERAND): Likewise.
6493 * config/vax/vax.md (ashlsi3): Likewise.
6494 (ashlsi3): Likewise.
6495 (some more unnamed insns): Likewise.
6497 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6499 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6500 iterator-style macro.
6501 (mark_control_dependent_edges_necessary): Update the use of
6502 EXECUTE_IF_CONTROL_DEPENDENT.
6504 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6506 * config/sh/predicates.md (cache_address_operand): Special.
6507 (ua_address_operand): Likewise.
6509 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6511 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6513 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6515 2006-03-15 Andreas Schwab <schwab@suse.de>
6517 * gensupport.c (identify_predicable_attribute): Don't free p_false
6518 when it is still in use.
6520 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6522 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6523 the default setting here.
6525 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6527 * tree-pass.h (pass_cfg): Remove.
6528 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6529 * passes.c (pass_cfg): Don't run it.
6531 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6533 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6534 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6536 (stack_regs_mentioned): Update the uses of
6537 stack_regs_mentioned_data. Don't access the array beyond its
6539 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6540 Don't include gt-reg-stack.h.
6542 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6543 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6545 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6548 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6551 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6553 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6555 2006-03-14 Richard Guenther <rguenther@suse.de>
6557 PR tree-optimization/26672
6558 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6561 2006-03-14 Richard Guenther <rguenther@suse.de>
6563 PR tree-optimization/26667
6564 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6565 node for the callees. Always allow inlining if it will shrink
6568 2006-03-14 Richard Guenther <rguenther@suse.de>
6571 * builtins.c (get_pointer_alignment): Prefer alignment
6572 information from decls over that from types.
6574 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6577 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6579 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6581 * config/rs6000/rs6000.opt (mdlmzb): New option.
6582 (msched-prolog, msched-epilog): Use Var not Mask.
6583 * doc/invoke.texi (-mdlmzb): Document.
6584 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6586 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6587 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6589 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6591 PR rtl-optimization/25739
6592 * bt-load.c (augment_live_range): Free tos pointer.
6594 * gensupport.c (identify_predicable_attribute): Free
6596 * gcov.c (create_file_names): Free name pointer.
6598 2006-03-13 Roger Sayle <roger@eyesopen.com>
6601 * stmt.c (emit_case_nodes): Handle the case where the index is a
6602 CONST_INT, where the comparison mode is specified by the index type.
6604 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6606 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6609 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6611 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6612 (*branch_fp_inverted): Likewise.
6614 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6617 * omp-low.c (expand_omp_for_generic): Mark istart0
6618 and iend0 as addressable.
6620 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6622 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6624 2006-03-13 Jeff Law <law@redhat.com>
6626 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6627 virtual operands are interesting.
6628 (vrp_visit_stmt): Corresponding changes.
6630 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6632 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6634 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6635 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6636 * config/bfin/crti.S: Use it instead of __PIC__.
6637 * config/bfin/crtn.S: Likewise.
6639 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6640 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6642 Lose 'G' modifier for call operand.
6643 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6644 recognize 'G' modifier.
6646 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6649 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6650 * stmt.c (expand_case): Likewise.
6652 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6654 PR rtl-optimization/26254
6655 * loop-invariant.c (seq_insns_valid_p): New function.
6656 (move_invariant_reg): Only emit new code if it is valid.
6658 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6660 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6662 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6663 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6664 (commit_one_edge_insertion): Do not look for loop notes.
6666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6668 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6669 flag_test_coverage out of loop.
6671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6673 * final.c (shorten_branches): Remove outdated comment, and turn
6674 the if branch that guards it to continue.
6676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6678 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6679 * cfgloop.h (struct loop): Remove unused fields.
6681 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6683 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6684 (-dL, -fdump-rtl-loop2): Update the dump file names
6686 * doc/invoke.texi: Update dump file names.
6688 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6690 * predict.c (estimate_probability): Remove.
6691 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6692 * basic-block.h (estimate_probability): Remove prototype.
6693 * passes.c (finish_optimization_passes): Dump branch prediction or
6694 profiling heuristics to the .profile tree dump.
6695 (init_optimization_passes): Unqueue pass_branch_prob.
6697 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6699 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6701 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6702 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6704 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6706 * function.h (frame_offset_overflow): Declare.
6707 * function.c (frame_offset_overflow): New function.
6708 (assign_stack_local_1): Call it to detect that the offset overflows.
6709 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6711 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6713 * config/sh/sh.c: Include alloc-pool.h.
6714 (label_ref_list_pool): New alloc pool.
6715 (label_ref_list_t): New type for lists of labels.
6716 (struct pool_node): Make wend a label_ref_list_t.
6717 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6719 (dump_table): Likewise.
6720 (sh_reorg): Set up the alloc pool before using add_constant and
6721 dump_table, and destroy it when finishing.
6723 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6725 * config/mips/mips.c: Remove redundant comment.
6727 2006-03-10 Jason Merrill <jason@redhat.com>
6730 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6731 the target was declared 'register'.
6733 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6735 * genpreds.c (write_insn_constraint_len): Change definition of
6736 insn_constraint_len to return size_t to match the declaration.
6738 2006-03-10 DJ Delorie <dj@redhat.com>
6740 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6742 (m32c_expand_insv): Fix test for an AND mask.
6744 2006-03-10 Richard Guenther <rguenther@suse.de>
6747 * builtins.c (get_pointer_alignment): Handle component
6748 references for field alignment.
6750 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6752 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6753 when building with libgloss.
6754 (sh*elf): Implement --without-fp option.
6755 (sh64-superh-linux*): Don't multilib.
6757 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6759 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6761 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6763 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6764 Set it when one of the replacement functions returned true.
6765 Return TODO_cleanup_cfg if cfgchanged is true.
6766 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6768 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6770 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6771 instead of gen_lowpart.
6773 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6775 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6777 (mips_output_order_conditional_branch): Declare.
6778 * config/mips/mips.h (MIPS_BRANCH): New macro.
6779 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6780 for the comparison. Use gen_condjump.
6781 (mips_output_conditional_branch): Rework interface to take the
6782 asm templates for a direct branch and the inverse of a direct branch.
6783 (mips_output_order_conditional_branch): New function.
6784 (mips_builtin_branch_and_move): New function.
6785 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6786 branch condition. Use gen_single_cc as the condition for
6787 __builtin_mips_upper_* or __builtin_mips_lower_*.
6788 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6789 Use VOIDmode for the branch condition.
6790 * config/mips/predicates.md (order_operator): New predicate.
6791 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6792 (branch_fp): Rename to...
6793 (*branch_fp): ...this. Remove mode from comparison operator.
6794 Use new mips_output_conditional_branch interface.
6795 (branch_fp_inverted): Rename to...
6796 (*branch_fp_inverted): ...this and update as for *branch_fp.
6797 (*branch_zero<mode>): Rename to...
6798 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6799 Use mips_output_order_conditional_branch. Only accept ordered
6801 (*branch_zero<mode>_inverted): Rename to...
6802 (*branch_order<mode>_inverted): ...this and update as for
6803 *branch_order<mode>.
6804 (*branch_equality<mode>): Accept zero as the second operand to
6805 the equality operator. Use the new mips_output_conditional_branch
6807 (*branch_equality<mode>_inverted): Likewise.
6808 (condjump): New expander.
6809 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6811 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6812 (bc1any2t, bc1any2f): Likewise.
6813 (single_cc): New expander.
6814 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6816 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6818 * doc/md.texi: Update documentation of MIPS constraints.
6819 * config/mips/constraints.md: New file.
6820 * config/mips/mips.md: Include it.
6821 * config/mips/mips.c (mips_char_to_class): Delete.
6822 (override_options): Don't initialize mips_char_to_class.
6823 * config/mips/mips.h (mips_char_to_class): Delete.
6824 (REG_CLASS_FROM_LETTER): Delete.
6825 (CONST_OK_FOR_LETTER_P): Delete.
6826 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6827 (EXTRA_CONSTRAINT_Y): Delete.
6828 (EXTRA_CONSTRAINT_STR): Delete.
6829 (CONSTRAINT_LEN): Delete.
6830 (EXTRA_MEMORY_CONSTRAINT): Delete.
6832 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6834 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6835 original fn's eh regions.
6837 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6839 * fold-const.c (build_range_check): Make sure to use a valid type to
6840 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6843 (range_predecessor): New static function.
6844 (range_successor): Likewise.
6845 (merge_ranges): Use them to compute predecessors and successors of
6848 2006-03-09 Roger Sayle <roger@eyesopen.com>
6851 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6852 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6854 2006-03-08 DJ Delorie <dj@redhat.com>
6856 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6857 (addpsi3): Expand to include memory operands. Remove
6858 reload-specific splits.
6859 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6860 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6861 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6862 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6863 (shift1_qi, shift1_hi, insv): New.
6864 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6865 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6866 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6868 * config/m32c/m32c-protos.h: Update as needed.
6869 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6870 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6871 Fail for unrecognized R* constraints.
6872 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6873 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6874 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6876 (m32c_init_libfuncs): New.
6877 (m32c_legitimate_address_p): Add debug wrapper.
6878 (m32c_rtx_costs): New.
6879 (m32c_address_cost): New.
6880 (conversions): Add 'B' prefix.
6881 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6882 operands, or word regnames for QI operands. 'B' prints bit
6884 (m32c_expand_setmemhi): New.
6885 (m32c_expand_movmemhi): New.
6886 (m32c_expand_movstr): New.
6887 (m32c_expand_cmpstr): New.
6888 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6889 (m32c_expand_neg_mulpsi3): Handle non-ints.
6890 (m32c_cmp_flg_0): New.
6891 (m32c_expand_movcc): New.
6892 (m32c_expand_insv): New.
6893 (m32c_scc_pattern): New.
6894 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6895 a0/a1 out of SIregs.
6896 (STORE_FLAG_VALUE): New.
6897 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6900 * config/m32c/mov.md: Make constraints more liberal.
6901 (zero_extendqihi2): Optimize r0/r1 case.
6902 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6903 * config/m32c/predicates.md (m32c_any_operand): New.
6904 (m32c_nonimmediate_operand): New.
6905 (m32c_hl_operand): New.
6906 (m32c_r3_operand): New.
6909 (memsym_operand): New.
6910 (memimmed_operand): New.
6911 (a_qi_operand): New.
6912 (m32c_eqne_operator): New.
6913 (m32c_1bit8_operand): New.
6914 (m32c_1bit16_operand): New.
6915 (m32c_1mask8_operand): New.
6916 (m32c_1mask16_operand): New.
6917 * config/m32c/blkmov.md: New file.
6918 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6920 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6922 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6923 unsigned to fix signed/unsigned comparison issue in
6924 DWARF2_FRAME_REG_OUT.
6925 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6926 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6928 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6929 of ptr into the ENABLE_CHECKING section.
6931 2006-03-08 Jeff Law <law@redhat.com>
6933 * tree-vrp.c (infer_value_range): Only count pointer uses
6934 and dereferences if -fdelete-null-pointer-checks is enabled.
6936 * tree-vrp.c (find_assert_locations): Infer value ranges for
6937 single use pointers, but do not create ASSERT_EXPRs for them.
6938 When a non-null range is inferred for a pointer, backwards
6939 propagate that range to other equivalent pointers through the
6942 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6945 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6946 language hook targets.
6947 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6948 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6949 if language hook targets were missing.
6951 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6953 * tree-ssa-opfinalize.h: Removed.
6954 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6956 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6957 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6958 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6959 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6960 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6961 finalize_ssa_v_must_def_ops): New.
6963 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6965 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6968 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6970 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6972 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6973 addresses with offsets; reorganize.
6975 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6976 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6977 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6979 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6982 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6984 2006-03-08 Ben Elliston <bje@au.ibm.com>
6986 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6988 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6991 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6994 2006-03-07 Richard Guenther <rguenther@suse.de>
6996 PR tree-optimization/26587
6997 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6999 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7001 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7003 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7005 * hooks.c (hook_bool_mode_rtx_true): New function.
7006 * hooks.h (hook_bool_mode_rtx_true): Declare.
7007 * toplev.c (compile_file): Call output_shared_constant_pool.
7008 * varasm.c (shared_constant_pool): New variable.
7009 (assemble_start_function, assemble_end_function): Remove arguments
7010 from call to output_constant_pool.
7011 (create_constant_pool): New function, split out from...
7012 (init_varasm_status): ...here.
7013 (force_const_mem): Choose between the shared and per-function constant
7014 pools. Set current_function_uses_const_pool when reusing old entries
7015 as well as when creating new ones.
7016 (mark_constant): Ignore data argument.
7017 (mark_constants): Remove pool argument.
7018 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7019 to decide whether the function uses a constant pool.
7020 (output_constant_pool_contents): New function, split out from...
7021 (output_constant_pool): ...here.
7022 (output_shared_constant_pool): New function.
7023 (init_varasm_once): Initialize shared_constant_pool.
7024 * output.h (output_constant_pool): Delete.
7025 (output_shared_constant_pool): Declare.
7026 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7027 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7029 2006-03-06 Nick Clifton <nickc@redhat.com>
7031 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7032 flag_strength_reduce.
7034 2006-03-06 Ben Elliston <bje@au.ibm.com>
7036 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7037 x86_64-*-linux* configurations.
7039 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7040 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7042 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7044 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7046 * basic-block.h: Remove the extern for
7047 rediscover_loops_after_threading.
7049 * cfgloop.c (cancel_loop): Make it static.
7050 * cfgloop.h: Remove the prototype for cancel_loop.
7052 * flow.c (recompute_reg_usage): Make it static.
7053 * rtl.h: Remove the prototype for recompute_reg_usage.
7055 * function.c (use_return_register): Make it static.
7056 * function.h: Remove the prototype.
7058 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7060 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7062 * recog.h: Remove the prototype for
7063 validate_change_maybe_volatile.
7065 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7067 * rtlanal.c (replace_reg): Remove.
7068 * rtl.h: Remove the prototype for replace_reg.
7070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7072 * regclass.c (reg_scan_update): Remove.
7073 (reg_scan_mark_refs): Remove the last argument.
7074 * rtl.h: Remove the prototype for reg_scan_update.
7076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7078 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7079 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7080 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7081 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7082 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7083 loop-invariant.c, omp-low.c, opts.c, passes.c,
7084 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7085 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7086 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7087 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7088 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7089 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7091 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7093 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7094 * dwarf2out.h: Remove the prototype for
7095 dwarf2out_add_library_unit_info.
7097 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7099 * tree.c (add_var_to_bind_expr): Remove.
7100 * tree.h: Remove the prototype for add_var_to_bind_expr.
7102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7104 * regclass.c (n_non_fixed_regs): Remove.
7105 (init_reg_sets_1, globalize_reg): Remove all uses of
7107 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7111 * rtlanal.c (insns_safe_to_move_p): Remove.
7112 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7116 * expmed.c (expand_mult_add): Remove.
7117 * expr.h: Remove the prototype for expand_mult_add.
7119 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7121 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7122 and REG_SAVED_VAL_EXP constants.
7123 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7124 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7125 Handle regs stored by value.
7126 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7127 (execute_cfa_program): Handle DW_CFA_val_offset,
7128 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7129 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7130 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7131 (uw_install_context_1): Handle target regs stored by value.
7133 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7135 * tree-sra.c (tree_sra): Return todoflags;
7136 (generate_one_element): Set TODO_update_smt_usage if needed.
7137 (pass_sra): Remove TODO_update_smt_usage.
7138 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7140 (tree_ssa_forward_propagate_single_use_vars): Return
7141 TODO_update_smt_usage if we need to update SMT usage.
7142 (pass_forwprop): Remove TODO_update_smt_usage.
7144 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7146 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7147 (correct_use_link): Remove reference to get_stmt_operands.
7148 (update_stmt_operands): Likewise.
7149 (get_modify_expr_operands): New function factored out of
7150 parse_ssa_operands and get_expr_operands.
7151 Try to create V_MUST_DEFs for LHS by default.
7152 (get_expr_operands) <case MODIFY_EXPR>: Call
7153 get_modify_expr_operands.
7154 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7155 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7156 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7157 get_modify_expr_operands.
7159 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7161 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7162 * tree-flow.h: Remove the prototype for
7163 referenced_var_lookup_if_exists.
7165 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7167 PR rtl-optimization/26345
7169 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7171 2006-03-03 Roger Sayle <roger@eyesopen.com>
7173 PR tree-optimization/26524
7174 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7175 fold_convert to create a constant of the appropriate type.
7177 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7179 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7180 SYMBOL_REF_IN_BLOCK_P.
7181 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7182 of SYMBOL_FLAG_IN_BLOCK.
7183 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7184 instead of SYMBOL_REF_IN_BLOCK_P.
7185 * explow.c (use_anchored_address): Likewise.
7186 * rtl.c (rtx_size): Likewise.
7187 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7188 instead of SYMBOL_FLAG_IN_BLOCK.
7189 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7190 SYMBOL_REF_IN_BLOCK_P.
7191 (assemble_variable): Likewise.
7192 (output_constant_def_contents): Likewise.
7193 (output_constant_pool): Likewise.
7194 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7195 instead of SYMBOL_FLAG_IN_BLOCK.
7196 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7197 SYMBOL_REF_IN_BLOCK_P.
7198 (SYMBOL_REF_BLOCK): Likewise.
7199 (SYMBOL_REF_OFFSET): Likewise.
7200 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7201 SYMBOL_REF_IN_BLOCK_P.
7202 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7203 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7204 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7205 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7207 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7209 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7211 2006-03-02 Roger Sayle <roger@eyesopen.com>
7213 * simplify-rtx.c (simplify_unary_operation): When simplifying
7214 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7215 that we perform the right shift in the appropriate mode, and
7216 then extend or truncate the result to requested mode.
7218 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7220 * gengtype.c (main): Handle double_int type.
7221 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7222 * double-int.c: New file.
7223 * double-int.h: New file.
7224 * system.h: Include doubleint.h.
7225 * Makefile.in (SYSTEM_H): Include double-int.h.
7226 (double-int.o): Add.
7228 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7231 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7234 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7236 * tree-vrp.c (remove_range_assertions): Do not update statements
7239 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7241 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7243 * gcse.c (rest_of_handle_gcse): Ditto.
7244 * except.c (gate_handle_eh): Ditto.
7245 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7246 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7248 2006-03-02 Eric Christopher <echristo@apple.com>
7250 * config/i386/i386.c (machopic_output_stub): Add indirection to
7253 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7257 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7259 Sun Niagara specific optimizations.
7260 * config.gcc: Recognize niagara as target.
7261 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7262 (TARGET_CPU_niagara): Define.
7263 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7264 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7265 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7266 (ASM_CPU_SPEC): Likewise.
7267 (PROCESSOR_NIAGARA): New enum entry.
7268 (REGISTER_MOVE_COST): Handle Niagara.
7269 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7270 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7271 (sparc_override_options): Recognize "niagara", set appropriate
7272 default MASK_* values for it, and align functions to 32-bytes
7273 by default just like ULTRASPARC/ULTRASPARC3.
7274 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7275 (sparc64_initialize_trampoline): Likewise.
7276 (sparc_use_sched_lookahead): Use zero for niagara.
7277 (sparc_issue_rate): Use one for niagara.
7278 * config/sparc/niagara.md: New file.
7279 * config/sparc/sparc.md: Include it.
7280 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7281 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7282 when default cpu is niagara.
7283 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7284 (ASM_CPU_SPEC): Likewise.
7285 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7286 when default cpu is niagara.
7287 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7288 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7289 just like v9/ultrasparc/ultrasparc3.
7290 * doc/invoke.texi: Add documentation for "niagara" and improve
7291 existing documentation for ultrasparc variants.
7293 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7295 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7297 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7299 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7300 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7301 and say that only one is needed.
7302 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7303 * target.h (have_switchable_bss_sections): New hook.
7304 * explow.c (use_anchored_address): Check that the symbol is in a block.
7305 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7306 (bss_noswitch_section): New variables.
7307 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7308 (get_noswitch_section): New function.
7309 (get_block_for_section): Allow SECT to be null.
7310 (unlikely_text_section_p): Use SECTION_STYLE.
7311 (bss_initializer_p): New function.
7312 (get_variable_section): Move earlier in file. Take a new argument,
7313 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7314 Return one of the new *_sections in such cases.
7315 (get_block_for_decl): New function, extracting some logic from
7316 use_blocks_for_decl_p.
7317 (change_symbol_section): Remove in favor of...
7318 (change_symbol_block): ...this new function.
7319 (use_blocks_for_decl_p): Remove checks now performed by
7321 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7322 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7323 (emit_local, emit_bss, emit_common): ...these new functions.
7324 Return true if the alignment was honored.
7325 (emit_tls_common): New function.
7326 (asm_emit_uninitialised): Delete.
7327 (assemble_variable_noswitch): New function, split out from...
7328 (assemble_variable): ...here. Don't make decisions about common
7329 variables here. Globalize all public decls that go into non-common
7330 sections. Check whether SYMBOL_REF_BLOCK is null.
7331 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7332 (output_constant_pool): Likewise.
7333 (init_varasm_once): Initialize the new section variables.
7334 (have_global_bss_p): New function.
7335 (categorize_decl_for_section): Use bss_initializer_p.
7336 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7337 (place_block_symbol): Assert that the symbol must be in a block.
7338 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7339 (TARGET_INITIALIZER): Include it.
7340 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7341 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7342 (SECTION_MACH_DEP): Bump by two.
7343 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7344 (unnamed_section): Mention SECTION_UNNAMED in comment.
7345 (named_section): Likewise SECTION_NAMED.
7346 (noswitch_section_callback): New type.
7347 (noswitch_section): New structure.
7348 (section): Add a noswitch_section alternative.
7349 (SECTION_STYLE): New macro.
7350 (tls_comm_section, comm_section, lcomm_section): Declare.
7351 (bss_noswitch_section, have_global_bss_p): Declare.
7352 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7353 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7355 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7356 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7359 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7361 * tree-vrp.c (execute_vrp): Return value.
7362 * regrename.c (rest_of_handle_regrename): Ditto.
7363 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7364 * tree-complex.c (tree_lower_complex): Ditto.
7365 (tree_lower_complex_O0): Ditto.
7366 * tracer.c (rest_of_handle_tracer): Ditto.
7367 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7368 * postreload.c (rest_of_handle_postreload): Ditto.
7369 * tree-tailcall.c (execute_tail_recursion): Ditto.
7370 (execute_tail_calls): Ditto.
7371 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7372 * tree.h (init_function_for_compilation): Ditto.
7373 * ipa-cp.c (ipcp_driver): Ditto.
7374 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7375 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7376 * final.c (compute_alignments): Ditto.
7377 (rest_of_handle_final): Ditto.
7378 (rest_of_handle_shorten_branches): Ditto.
7379 (rest_of_clean_state): Ditto.
7380 * omp-low.c (execute_expand_omp): Ditto.
7381 (execute_lower_omp): Ditto.
7382 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7383 * ipa-reference.c (static_execute): Ditto.
7384 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7385 * reorg.c (rest_of_handle_delay_slots): Ditto.
7386 (rest_of_handle_machine_reorg): Ditto.
7387 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7388 * flow.c (recompute_reg_usage): Ditto.
7389 (rest_of_handle_remove_death_notes): Ditto.
7390 (rest_of_handle_life): Ditto.
7391 (rest_of_handle_flow2): Ditto.
7392 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7393 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7394 (do_ssa_store_ccp): Ditto.
7395 (execute_fold_all_builtins): Ditto.
7396 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7397 * modulo-sched.c (rest_of_handle_sms): Ditto.
7398 * ipa-pure-const.c (static_execute): Ditto.
7399 * cse.c (rest_of_handle_cse): Ditto.
7400 (rest_of_handle_cse2): Ditto.
7401 * web.c (rest_of_handle_web): Ditto.
7402 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7403 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7404 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7405 * tree-nrv.c (tree_nrv): Ditto.
7406 (execute_return_slot_opt): Ditto.
7407 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7408 (create_structure_vars): Ditto.
7409 * loop-init.c (rtl_loop_init): Ditto.
7410 (rtl_loop_done): Ditto.
7411 (rtl_move_loop_invariants): Ditto.
7412 (rtl_unswitch): Ditto.
7413 (rtl_unroll_and_peel_loops): Ditto.
7414 (rtl_doloop): Ditto.
7415 * gimple-low.c (lower_function_body): Ditto.
7416 (mark_used_blocks): Ditto.
7417 * tree-ssa-sink.c (execute_sink_code): Ditto.
7418 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7419 (cgraph_early_inlining): Ditto.
7420 * global.c (rest_of_handle_global_alloc): Ditto.
7421 * jump.c (cleanup_barriers): Ditto.
7422 (purge_line_number_notes): Ditto.
7423 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7424 (rest_of_handle_if_after_reload): Ditto.
7425 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7426 (tree_ssa_loop_im): Ditto.
7427 (tree_ssa_loop_unswitch): Ditto.
7428 (tree_vectorize): Ditto.
7429 (tree_linear_transform): Ditto.
7430 (tree_ssa_loop_ivcanon): Ditto.
7431 (tree_ssa_empty_loop): Ditto.
7432 (tree_ssa_loop_bounds): Ditto.
7433 (tree_complete_unroll): Ditto.
7434 (tree_ssa_loop_prefetch): Ditto.
7435 (tree_ssa_loop_ivopts): Ditto.
7436 (tree_ssa_loop_done): Ditto.
7437 * predict.c (tree_estimate_probability): Ditto.
7438 * recog.c (split_all_insns_noflow): Ditto.
7439 (rest_of_handle_peephole2): Ditto.
7440 (rest_of_handle_split_all_insns): Ditto.
7441 * tree-eh.c (lower_eh_constructs): Ditto.
7442 * regmove.c (rest_of_handle_regmove): Ditto.
7443 (rest_of_handle_stack_adjustments): Ditto.
7444 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7445 * function.c (instantiate_virtual_regs): Ditto.
7446 (init_function_for_compilation): Ditto.
7447 (rest_of_handle_check_leaf_regs): Ditto.
7448 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7449 (rest_of_handle_gcse): Ditto.
7450 * ipa-type-escape.c (type_escape_execute): Ditto.
7451 * alias.c (rest_of_handle_cfg): Ditto.
7452 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7453 * profile.c (rest_of_handle_branch_prob): Ditto.
7454 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7455 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7456 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7457 * tree-dfa.c (find_referenced_vars): Ditto.
7458 * except.c (set_nothrow_function_flags): Ditto.
7459 (convert_to_eh_region_ranges): Ditto.
7460 (rest_of_handle_eh): Ditto.
7461 * emit-rtl.c (unshare_all_rtl): Ditto.
7462 (remove_unnecessary_notes): Ditto.
7463 * except.h (set_nothrow_function_flags): Ditto.
7464 (convert_to_eh_region_ranges): Ditto.
7465 * cfgexpand.c (tree_expand_cfg): Ditto.
7466 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7467 * tree-ssa-pre.c (do_pre): Ditto.
7468 (execute_fre): Ditto.
7469 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7470 (rest_of_handle_jump2): Ditto.
7471 * tree-sra.c (tree_sra): Ditto.
7472 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7473 (execute_mudflap_function_decls): Ditto.
7474 * tree-ssa-copy.c (do_copy_prop): Ditto.
7475 (do_store_copy_prop): Ditto.
7476 * ipa-prop.h (ipcp_driver): Ditto.
7477 * cfglayout.c (insn_locators_initialize): Ditto.
7478 * tree-ssa-forwprop.c
7479 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7480 * cfglayout.h (insn_locators_initialize): Ditto.
7481 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7482 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7483 (execute_late_warn_uninitialized): Ditto.
7484 * rtl.h (cleanup_barriers): Ditto.
7485 (split_all_insns_noflow): Ditto.
7486 (purge_line_number_notes): Ditto.
7487 (unshare_all_rtl): Ditto.
7488 (remove_unnecessary_notes): Ditto.
7489 (recompute_reg_usage): Ditto.
7490 (variable_tracking_main): Ditto.
7491 * integrate.c (emit_initial_value_sets): Ditto.
7492 * integrate.h (emit_initial_value_sets): Ditto.
7493 * tree-optimize.c (execute_free_datastructures): Ditto
7494 (execute_free_cfg_annotations): Ditto.
7495 (execute_fixup_cfg): Ditto.
7496 (execute_cleanup_cfg_pre_ipa): Ditto.
7497 (execute_cleanup_cfg_post_optimizing): Ditto.
7498 (execute_init_datastructures): Ditto.
7499 * tree-object-size.c (compute_object_sizes): Ditto.
7500 * combine.c (rest_of_handle_combine): Ditto.
7501 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7502 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7503 (rest_of_handle_reorder_blocks): Ditto.
7504 (rest_of_handle_partition_blocks): Ditto.
7505 * var-tracking.c (variable_tracking_main): Ditto.
7506 * tree-profile.c (tree_profiling): Ditto.
7507 * tree-vect-generic.c (expand_vector_operations): Ditto.
7508 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7509 * sched-rgn.c (rest_of_handle_sched): Ditto.
7510 (rest_of_handle_sched2): Ditto.
7511 * basic-block.h (free_bb_insn): Ditto.
7512 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7513 * tree-cfg.c (execute_build_cfg): Ditto.
7514 (remove_useless_stmts): Ditto.
7515 (split_critical_edges): Ditto.
7516 (execute_warn_function_return): Ditto.
7517 (execute_warn_function_noreturn): Ditto.
7518 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7519 * cfgrtl.c (free_bb_for_insn): Ditto.
7520 * passes.c (execute_one_pass): Run additional
7521 todos returned by execute function.
7522 * tree-pass.h (struct tree_opt_pass): Make execute
7525 2006-03-02 Richard Guenther <rguenther@suse.de>
7527 * tree-ssa-alias.c (find_used_portions): Consider taking
7528 the address as making the variable not write-only.
7530 2006-03-02 Nick Clifton <nickc@redhat.com>
7532 * config.gcc (default_use_cxa_atexit): Extend the description of
7533 this configure variable. Set its default value to "yes" for
7534 Linux, NetBSD and ELF targets on the assumption that they will
7535 use C libraries with the __cxa_atexit function.
7537 2006-03-02 Ben Elliston <bje@au.ibm.com>
7539 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7540 parameter as unused to suppress a build warning.
7542 2006-03-02 Ben Elliston <bje@au.ibm.com>
7544 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7547 2006-03-01 Roger Sayle <roger@eyesopen.com>
7550 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7551 declared name, the weak reference name, and the typeof name.
7552 (__gthrw): Avoid expanding the declared name suffix.
7553 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7555 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7557 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7559 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7560 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7561 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7562 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7563 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7564 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7565 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7566 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7567 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7568 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7569 (DW_END_default, DW_END_big, DW_END_little): New.
7570 (DW_END_lo_user, DW_END_hi_user): Define.
7571 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7572 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7573 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7576 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7578 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7580 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7582 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7584 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7586 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7587 to 'symbol_mem_tag'.
7589 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7592 2006-03-01 Roger Sayle <roger@eyesopen.com>
7594 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7596 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7599 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7600 MACHO_DYNAMIC_NO_PIC_P.
7601 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7603 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7606 * config/darwin-protos.h (darwin_asm_output_anchor):
7608 * config/darwin-sections.def (cstring_section):
7609 Add SECTION_MERGE to the flags.
7610 (literal4_section): Likewise.
7611 (literal8_section): Likewise.
7612 (objc_selector_refs_section): Likewise.
7613 (objc_cls_refs_section): Likewise.
7614 * config/darwin.c (darwin_asm_output_anchor): New
7616 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7618 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7620 Fix PR tree-optimization/26443
7621 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7622 to todo and PROP_tmt_usage to properties_destroyed.
7623 * tree-ssa-ccp.c (pass_ccp): Ditto.
7624 (pass_store_ccp): Ditto.
7625 * tree-ssa-dom.c (pass_dominator): Ditto.
7627 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7629 * tree-ssa-operands.c: Cleanup whitespace.
7630 (get_asm_expr_operands): Move before first invocation.
7631 (get_indirect_ref_operands): Likewise.
7632 (get_tmr_operands): Likewise.
7633 (get_call_expr_operands): Likewise.
7634 (append_def): Likewise.
7635 (append_use): Likewise.
7636 (append_v_may_def): Likewise.
7637 (append_v_must_def): Likewise.
7638 (add_call_clobber_ops): Likewise.
7639 (add_call_read_ops): Likewise.
7640 (add_stmt_operand): Likewise.
7641 (add_virtual_operand): Likewise.
7642 (build_ssa_operands): Likewise.
7644 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7649 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7650 with a call expr to ...
7651 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7653 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7655 * tree-vrp.c (extract_range_from_assert): Remove special
7656 handling for types with super-types.
7658 2006-03-01 Ben Elliston <bje@au.ibm.com>
7660 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7661 and powerpc64-*-linux* configurations.
7662 * config/t-dfprules: New file.
7664 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7665 Compile dfp-bit.c from the source directory using -DWIDTH and
7666 $DFP_CFLAGS to control the compilation of that file, rather than
7667 generating width-specific versions in the build directory.
7668 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7669 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7671 2006-02-28 Zack Weinberg <zackw@panix.com>
7673 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7676 2006-02-28 Eric Christopher <echristo@apple.com>
7678 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7679 Set up IN_LIBGCC definition of TARGET_64BIT.
7680 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7682 2006-02-28 Roger Sayle <roger@eyesopen.com>
7685 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7686 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7687 cases via the construction of "expr != 0".
7689 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7691 * alias.c (alias_invariant, alias_invariant_size): Remove.
7692 (record_base_value): Remove.
7693 (memrefs_conflict_p): Don't look at alias_invariant.
7694 (end_alias_analysis): Don't free it.
7695 * alias.h (record_base_value): Remove prototype.
7697 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7698 Adam Nemet <anemet@caviumnetworks.com>
7700 * rtl.h (truncated_to_mode): Declare it.
7701 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7702 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7703 (RTL_HOOKS_INITIALIZER): Include it.
7704 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7705 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7706 reg_truncated_to_mode.
7707 * rtlanal.c (truncated_to_mode): Define it.
7708 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7710 2006-02-28 Jeff Law <law@redhat.com>
7712 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7713 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7714 the range allowed by TYPE_PRECISION.
7716 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7718 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7720 PR tree-optimization/26419
7721 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7724 2006-02-27 Zack Weinberg <zackw@panix.com>
7726 * doc/md.texi: Fix typo in previous change.
7728 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7732 2006-02-27 Zack Weinberg <zackw@panix.com>
7734 * rtl.def (define_constraint, define_register_constraint)
7735 (define_memory_constraint, define_address_constraint): New MD forms.
7736 * gensupport.c (process_rtx): Put define_constraint etc on the
7738 * genpreds.c (process_define_predicate): Adjust comment. Validate
7739 the name, and call validate_exp to validate the expression.
7740 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7741 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7742 all callers changed.
7743 (validate_exp, needs_variable, struct constraint_data)
7744 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7745 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7746 (const_dbl_constraints, constraint_max_namelen)
7747 (have_register_constraints, have_memory_constraints)
7748 (have_address_constraints, have_address_constraints)
7749 (have_extra_constraints, have_const_int_constraints)
7750 (have_const_dbl_constraints, mangle, add_constraint)
7751 (process_define_constraint, process_define_register_constraint)
7752 (write_enum_constraint_num, write_lookup_constraint)
7753 (write_insn_constraint_len, write_regclass_for_constraint)
7754 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7755 (write_insn_extra_memory_constraint)
7756 (write_insn_extra_address_constraint)
7757 (write_satisfies_constraint_fns): New.
7758 (write_tm_preds_h): If we have new-style constraint definitions,
7759 prototype the functions generated from them, and define the
7760 old constraint interface (still used by generic code) in terms of
7762 (write_insn_preds_c): If we have new-style constraint definitions,
7763 generate all relevant functions from those definitions.
7764 (main): Handle define_constraint etc.
7765 * genoutput.c (struct constraint_data, indep_constraints)
7766 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7767 (mdep_constraint_len): New data structures and functions, defined
7768 #ifdef USE_MD_CONSTRAINTS.
7769 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7770 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7771 use new logic to validate operand constraints against constraint
7773 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7775 * defaults.h: If none of the old-style constraint macros are
7776 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7777 old-style macros; and poison REG_CLASS_FROM_LETTER,
7778 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7780 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7781 * doc/md.texi: Document new constraint-definition mechanism and the
7782 C interface it provides. Remove references to old mechanism
7783 elsewhere in the document.
7784 (Machine Constraints): Use pathnames relative to gcc directory,
7785 i.e. config/ARCH/FILE. Change i386 section to refer to
7786 config/i386/predicates.md; update that section to match docstrings.
7787 * doc/tm.texi: Move all documentation of the old constraint-
7788 definition macros to their own section, clearly mark as obsolete.
7790 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7791 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7793 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7794 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7795 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7797 (splits and peepholes): Use satisfies_constraint_*.
7798 * config/i386/i386.c (memory_address_length)
7799 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7801 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7803 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7804 scalar operation to be put back into the loop.
7806 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7809 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7810 (extract_cie_info): Handle S flag in augmentation string.
7811 (execute_cfa_program): If context->signal_frame, execute also
7812 fs->pc == context->ra instructions.
7813 (uw_frame_state_for): If context->signal_frame, don't subtract one
7814 from context->ra to find FDE.
7815 (uw_update_context_1): Set context->signal_frame to
7817 (_Unwind_GetIPInfo): New function.
7818 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7819 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7821 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7822 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7823 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7824 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7825 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7826 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7827 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7828 x86_64_fallback_frame_state): Set fs->signal_frame.
7829 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7830 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7831 (frob_update_context): Likewise. Workaround missing S flag in
7832 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7833 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7834 Remove the psw_addr + 1 hack.
7836 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7838 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7839 with aggregates here.
7840 (find_func_aliases): Remove code for &<aggregate> from here.
7842 2006-02-26 Roger Sayle <roger@eyesopen.com>
7844 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7845 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7846 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7849 2006-02-26 Roger Sayle <roger@eyesopen.com>
7852 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7854 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7856 * opts.c (decode_options): Do not handle flag_strength_reduce.
7857 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7858 and OPT_fstrength_reduce.
7859 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7860 flag_prefetch_loop_arrays for being nonzero.
7861 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7863 (fprefetch-loop-arrays-rtl): Removed.
7864 (flag_prefetch_loop_arrays): Do not specify the value.
7866 * doc/passes.texi: Update documentation of loop optimizer
7868 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7869 -frerun-loop-opt): Remove.
7871 2006-02-26 Richard Guenther <rguenther@suse.de>
7873 PR tree-optimization/26421
7874 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7875 in function calls that are ADDR_EXPRs as using the whole structure.
7877 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7879 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7880 * tree-pass.h (pass_loop_optimize): Remove.
7881 * passes.c (pass_loop_optimize): Never run it.
7882 * toplev.c (backend_init): Don't call init_loop.
7883 * opts.c (flag_loop_optimize_set): Remove.
7884 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7885 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7886 the old RTL loop optimizer when profiling enabled.
7887 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7888 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7889 pre-headers for the sake of the old RTL loop optimizer.
7890 * Makefile.in: Remove all references to loop.o.
7892 * doc/invoke.texi: Remove all references to -floop-optimize
7893 and -frerun-loop-opt.
7895 2006-02-26 Zack Weinberg <zackw@panix.com>
7897 * doc/md.texi (Machine Constraints): Refer to all files with paths
7898 relative to gcc directory (i.e. config/CPU/file). Add missing
7899 @table @code ... @end table to M32C subsection.
7901 2006-02-26 Roger Sayle <roger@eyesopen.com>
7903 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7905 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7907 2006-02-26 Roger Sayle <roger@eyesopen.com>
7908 James A. Morrison <phython@gcc.gnu.org>
7911 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7912 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7913 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7914 signedness of the shift operation.
7916 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7918 PR tree-optimization/26359
7919 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7921 2006-02-25 Roger Sayle <roger@eyesopen.com>
7923 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7924 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7925 as X == 0, and some symmetry related transformations.
7926 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7928 2006-02-25 Roger Sayle <roger@eyesopen.com>
7931 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7932 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7933 symmetry related transformations. Fold (X^C1) == C2 as
7936 2006-02-25 Juergen Weigert <jw@suse.de>
7937 Richard Guenther <rguenther@suse.de>
7939 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7941 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7943 * combine.c (gen_lowpart_or_truncate): Call
7944 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7946 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7948 * doc/invoke.texi: Move -fopenmp description to "Options for
7950 Remove reference to -lgomp.
7952 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7954 * doc/install.texi: Require GNU tar version 1.14.
7956 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7958 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7959 * doc/invoke.texi (C++ Dialect Options): Document
7960 -fno-use-cxa-get-exception-ptr.
7961 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7962 * configure: Regenerate.
7963 * c.opt (fuse-cxa-get-exception-ptr): New.
7964 * c-opts.c (c_common_handle_option): Handle
7965 OPT_fuse_cxa_get_exception_ptr.
7966 * c-common.c (flag_use_cxa_atexit): Update documentation.
7967 (flag_use_cxa_get_exception_ptr): New.
7968 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7969 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7971 (C_COMMON_OVERRIDE_OPTIONS): New.
7973 2006-02-24 Roger Sayle <roger@eyesopen.com>
7976 * combine.c (try_combine): Explicitly check whether GET_CODE is
7977 a SET or a CLOBBER, instead on checking that it isn't a USE.
7979 2006-02-24 Roger Sayle <roger@eyesopen.com>
7981 * fold-const.c (fold_comparison): New subroutine of fold_binary
7982 containing transformations common to both the equality and
7983 ordering relational operators, factored out of fold_binary.
7984 (fold_binary): Separate out the equality operators (EQ_EXPR
7985 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7986 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7987 transformations common to both.
7988 (fold_div_compare): Fix latent bugs in the previously unreachable
7989 LT_EXPR and GE_EXPR cases.
7991 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7993 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7994 decl libname for clog to __clog on AIX.
7996 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7998 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8001 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8002 output traceback table for thunks. Localise rs6000_stack_info call.
8004 2006-02-23 Roger Sayle <roger@eyesopen.com>
8005 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8007 * gthr-posix.h (__gthrw): Fix typo in comment.
8009 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8011 * doc/cpp.texi (Character sets): Document that we do support
8012 input files to be in any character set.
8014 2006-02-23 Jeff Law <law@redhat.com>
8016 * tree.h (PHI_ARG_NONZERO): Remove.
8017 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8018 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8019 node to the new node.
8021 PR tree-optimization/26425
8022 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8023 min/max, then assume its varying.
8025 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8027 PR rtl-optimization/26316
8028 * rtlanal.c (enum may_trap_p_flags): New.
8029 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8030 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8031 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8032 (may_trap_after_code_motion_p): New function.
8033 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8034 (find_invariant_insn): Use may_trap_after_code_motion_p.
8035 * rtl.h (may_trap_after_code_motion_p): Declare.
8037 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8039 * emit-rtl.c (immed_double_const): Cleanup.
8041 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8043 Fix PR tree-optimization/26376
8044 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8047 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8050 * gimplify.c (omp_add_variable): Guard variable size decl test with
8051 DECL_SIZE (decl) check.
8053 2006-02-23 Richard Guenther <rguenther@suse.de>
8056 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8057 like aggregate types.
8059 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8061 * configure.ac: Add --with{,out}-long-double-128 configure option.
8062 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8063 * configure: Rebuilt.
8064 * config.in: Rebuilt.
8065 * doc/install.texi (Options specification): Document
8066 --with-long-double-128.
8068 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8069 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8070 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8071 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8073 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8075 * config/s390/s390.c (override_options): Handle
8076 TARGET_DEFAULT_LONG_DOUBLE_128.
8078 * config/alpha/alpha.c (override_options): Handle
8079 TARGET_DEFAULT_LONG_DOUBLE_128.
8081 * config/sparc/sparc.c (sparc_override_options): Handle
8082 TARGET_DEFAULT_LONG_DOUBLE_128.
8084 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8086 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8087 (real-install-headers-tar, real-install-headers-cpio)
8088 (real-install-headers-cp): New targets.
8090 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8092 * tree.h (variable_section): Delete.
8093 * varasm.c (variable_section): Delete.
8095 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8097 * install.texi: Add notes on install.texi2html.
8098 (Building in parallel): Do not use footnotes.
8100 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8103 * doc/install.texi (Configuration): Document --disable-libgomp.
8105 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8107 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8109 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8111 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8112 (vec_extractv2df_0_sse): New.
8114 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8116 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8117 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8118 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8119 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8120 to the result of the expression.
8121 (def_cfa_1): Adjust.
8122 (frame_pointer_cfa_offset): Rename to...
8123 (frame_pointer_fb_offset): ... this. Adjust all uses.
8124 (convert_cfa_to_loc_list): Rename to...
8125 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8126 Pass it on to build_cfa_loc.
8127 (compute_frame_pointer_to_cfa_displacement): Rename to...
8128 (compute_frame_pointer_to_fb_displacement): ... this. New
8129 offset parameter. Use it in computation.
8130 (gen_subprogram_die): Compute cfa_fb_offset with the new
8131 macro, and use it to compute the fb loc list and the
8134 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8136 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8137 replaced with register_operand.
8138 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8139 non-DREG is expensive.
8140 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8141 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8144 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8146 * doc/install.texi2html: Use set -e.
8148 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8150 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8151 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8152 * doc/invoke.texi (-fshared-data): Delete.
8153 * common.opt (fshared-data): Delete.
8154 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8155 (assemble_static_space): Remove #if 0 code.
8156 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8157 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8158 * config/cris/cris.h: Remove FIXME.
8160 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8162 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8165 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8168 * combine.c (simplify_shift_const_1): Disable nested shifts
8169 optimization for vector shifts.
8171 2006-02-20 Roger Sayle <roger@eyesopen.com>
8173 PR tree-optimization/26361
8174 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8175 of unsigned integer types.
8177 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8179 * tree-chrec.c (eq_evolutions_p): New.
8180 * tree-chrec.h (eq_evolutions_p): Declared.
8181 * tree-data-ref.c: Fix formatting.
8182 (datadep_stats, dependence_stats): New.
8184 (print_direction_vector): New.
8185 (dump_data_dependence_relation): Use print_direction_vector.
8186 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8187 (compute_subscript_distance): Static.
8188 (initialize_data_dependence_relation): Static. Get the number
8189 of loops surrounding the references from the callers, and initialize
8190 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8191 base_object_differ_p analyzers.
8192 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8193 compute_overlap_steps_for_affine_1_2,
8194 analyze_subscript_affine_affine): Count the classified dependences.
8195 Print a message when a test failed.
8196 (can_use_analyze_subscript_affine_affine): New.
8197 (analyze_siv_subscript): Compute the data dependences on symbolic
8198 scevs that verify can_use_analyze_subscript_affine_affine.
8199 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8200 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8201 Handle symbolic scevs.
8202 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8204 (subscript_dependence_tester): Moved...
8205 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8206 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8207 DDR_SIZE_VECT instead of getting it in parameter.
8208 (subscript_dependence_tester): ... here. Take as a parameter
8209 loop_nest_depth. Call build_classic_dist_vector and
8210 build_classic_dir_vector.
8211 (compute_affine_dependence): Update subscript_dependence_tester
8212 parameters. Update datadep_stats counters. Call
8213 compute_subscript_distance.
8214 (compute_self_dependence): Save the dist and dir vectors. Call
8215 compute_subscript_distance.
8216 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8217 (compute_all_dependences): Reorder parameters as they were before
8218 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8219 compute_subscript_distance. Update the use of
8220 compute_affine_dependence and initialize_data_dependence_relation.
8221 (find_data_references_in_loop): Handle COMPONENT_REF.
8222 (compute_data_dependences_for_loop): Initialize dependence_stats.
8223 Don't call build_classic_dist_vector and build_classic_dir_vector.
8224 Update the parameters of initialize_data_dependence_relation and
8225 compute_all_dependences. Print the statistics from datadep_stats.
8226 (analyze_all_data_dependences): Static. Not used until the pass for
8227 checking the data dependences is contributed.
8228 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8229 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8230 (initialize_data_dependence_relation, compute_affine_dependence,
8231 analyze_all_data_dependences, compute_subscript_distance): Removed.
8232 (print_direction_vector): New.
8233 * lambda.h (gcd): ... here.
8234 (lambda_vector_gcd): Moved here from gcd_vector.
8235 * lambda-code.c (gcd, gcd_vector): Removed.
8236 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8237 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8239 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8241 * ipa-type-escape.c: Tidy some comments and white space.
8242 * tree-ssa-operands.c: Likewise.
8244 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8247 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8248 (dump_decl_name): Do not walk the decl tree chains.
8249 * tree-pass.h (TDF_CHAIN): Remove.
8251 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8253 * Makefile.in (C): Remove
8255 (.PHONY): Remove C and PROTO
8257 2006-02-20 Roger Sayle <roger@eyesopen.com>
8260 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8261 deprecated CHAR_TYPE tree code.
8263 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8265 * configure.ac (target_list): Add install-info, dvi, html.
8266 * configure: Regenerate.
8268 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8269 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8270 treelang/Make-lang.in: Do not use double-colon rules.
8272 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8274 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8275 (TMT_USED_ALONE): New macro.
8276 * tree-pass.h (PROP_tmt_usage): New property.
8277 (TODO_update_tmt_usage): New todo.
8278 * tree-ssa-alias.c (updating_used_alone): New variable.
8279 (recalculate_used_alone): New function.
8280 (compute_may_aliases): Set updating_used_alone, call
8281 recalculate_used_alone.
8282 * tree-sra.c (pass_sra): Note that this pass destroys
8283 PROP_tmt_usage, and add TODO_update_tmt_usage.
8284 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8285 * tree-flow.h (updating_used_alone): Prototype.
8286 (recalculate_used_alone): Ditto.
8287 * passes.c (execute_todo): Add code to set updating_used_alone,
8288 and call recalculate.
8289 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8290 for clobber if used alone, and add assert to verify used_alone
8293 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8295 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8296 for non tls symbols added.
8297 (legitimize_address): Do nothing for PLUS expressions if one of the
8298 addends is a tls symbol reference.
8300 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8304 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8306 * Makefile.in (BOOTSTRAPPING): New.
8307 (quickstrap): New definition if BOOTSTRAPPING=yes.
8309 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8310 * configure.ac: Substitute all_selected_languages with the languages
8311 that were configured. For all the other variables except
8312 lang_specs_files, include all the languages in the tree.
8313 * configure: Regenerate.
8315 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8316 if there is one. Run the commands to run fixincludes in the same
8319 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8320 * doc/install.texi: Document exact conventions for searching target tools.
8321 Document --with-build-time-tools. Document toplevel bootstrap. Document
8322 something more about building an Ada cross-compiler. Don't list GNU Make
8323 requirements which affect all platforms.
8325 2006-02-19 Roger Sayle <roger@eyesopen.com>
8328 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8329 only equivalent if the have both the same mode and precision.
8331 2006-02-20 Ben Elliston <bje@au.ibm.com>
8333 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8335 2006-02-19 Roger Sayle <roger@eyesopen.com>
8336 Steven Bosscher <stevenb.gcc@gmail.com>
8338 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8339 constant pool references to identify stack mode constants.
8340 * rtlanal.c (constant_pool_constant_p): New predicate to check
8341 whether operand is a floating point constant in the pool.
8342 * rtl.h (constant_pool_constant_p): Prototype here.
8343 * loop.c (scan_loop): Avoid hoisting constants from the constant
8344 pool on STACK_REGS targets.
8345 (load_mems): Likewise.
8346 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8347 loads into x87 registers expensive in terms of register pressure.
8349 2006-02-19 Roger Sayle <roger@eyesopen.com>
8351 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8352 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8354 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8356 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8357 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8359 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8361 * doc/invoke.texi: Document -fipa-pta.
8362 * common.opt: Add ipa-pta option.
8363 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8364 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8365 (do_ds_constraint): Ditto.
8366 (get_constraint_for): Only add to referenced_vars if
8367 referenced_vars exists.
8368 (insert_into_field_list): Rewrite to do this unsorted.
8369 (insert_into_field_list_sorted): Rename old insert_into_field_list
8371 (create_function_info_for): Use insert_into_field_list_sorted.
8372 (create_variable_info_for): Rewrite so it uses unsorted version,
8373 since the field list is sorted.
8374 (intra_create_variable_infos): Only add to referenced_vars if
8375 referenced_vars exists.
8376 (ipa_pta_execute): Init heapvars, and delete when done.
8377 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8379 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8381 * doc/install.texi: Add missing `@samp'.
8383 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8385 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8388 2006-02-18 Mark Wielaard <mark@klomp.org>
8390 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8391 who added new 4.1 features, bug fixes and integration support.
8393 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8396 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8399 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8401 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8402 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8403 (copy_insn_1): Likewise. Don't copy each field individually.
8405 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8407 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8408 * rtl.c (rtx_size): Rename variable to...
8409 (rtx_code_size): ...this.
8410 (rtx_size): New function.
8411 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8412 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8414 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8415 * rtl.h (rtx_code_size): New variable.
8416 (rtx_size): Change from a variable to a function.
8417 (RTX_SIZE): Rename to...
8418 (RTX_CODE_SIZE): ...this.
8421 PR tree-optimization/17106
8422 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8423 (Anchored Addresses): New section.
8424 * doc/invoke.texi (-fsection-anchors): Document.
8425 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8426 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8427 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8428 * hooks.c (hook_bool_mode_rtx_false): New function.
8429 * hooks.h (hook_bool_mode_rtx_false): Declare.
8430 * gengtype.c (create_optional_field): New function.
8431 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8432 SYMBOL_REF_IN_BLOCK_P is true.
8433 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8434 (min_anchor_offset, max_anchor_offset): Likewise.
8435 (use_anchors_for_symbol_p): New hook.
8436 * toplev.c (compile_file): Call output_object_blocks.
8437 (target_supports_section_anchors_p): New function.
8438 (process_options): Check that -fsection-anchors is only used on
8439 targets that support it and when -funit-at-a-time is in effect.
8440 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8441 if the decl doesn't have one.
8442 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8443 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8444 of force_const_mem through use_anchored_address.
8445 (expand_expr_constant): New function.
8446 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8447 calling expand_expr for INDIRECT_REF.
8448 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8449 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8450 * expr.h (use_anchored_address): Declare.
8451 * loop-unroll.c: Don't declare rtx vectors here.
8452 * explow.c: Include output.h.
8453 (validize_mem): Call use_anchored_address.
8454 (use_anchored_address): New function.
8455 * common.opt (-fsection-anchors): New switch.
8456 * varasm.c (object_block_htab, anchor_labelno): New variables.
8457 (hash_section, object_block_entry_eq, object_block_entry_hash)
8458 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8459 (use_blocks_for_decl_p, change_symbol_section): New functions.
8460 (get_variable_section): New function, split out from assemble_variable.
8461 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8462 use_blocks_for_decl_p say so. Use change_symbol_section if the
8463 symbol has already been created.
8464 (assemble_variable_contents): New function, split out from...
8465 (assemble_variable): ...here. Don't output any code for
8466 block symbols; just pass them to place_block_symbol.
8467 Use get_variable_section and assemble_variable_contents.
8468 (get_constant_alignment, get_constant_section, get_constant_size): New
8469 functions, split from output_constant_def_contents.
8470 (build_constant_desc): Create a block symbol if use_object_blocks_p
8471 says so. Or into SYMBOL_REF_FLAGS.
8472 (assemble_constant_contents): New function, split from...
8473 (output_constant_def_contents): ...here. Don't output any code
8474 for block symbols; just pass them to place_section_symbol.
8475 Use get_constant_section and get_constant_alignment.
8476 (force_const_mem): Create a block symbol if use_object_blocks_p and
8477 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8478 (output_constant_pool_1): Add an explicit alignment argument.
8479 Don't switch sections here.
8480 (output_constant_pool): Adjust call to output_constant_pool_1.
8481 Switch sections here instead. Don't output anything for block symbols;
8482 just pass them to place_block_symbol.
8483 (init_varasm_once): Initialize object_block_htab.
8484 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8485 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8486 (place_block_symbol, get_section_anchor, output_object_block)
8487 (output_object_block_htab, output_object_blocks): New functions.
8488 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8489 (TARGET_ASM_OUT): Include it.
8490 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8491 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8492 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8493 (TARGET_INITIALIZER): Include them.
8494 * rtl.c (rtl_check_failed_block_symbol): New function.
8495 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8496 (block_symbol, object_block): New structures.
8497 (rtx_def): Add a block_symbol field to the union.
8498 (BLOCK_SYMBOL_CHECK): New macro.
8499 (rtl_check_failed_block_symbol): Declare.
8500 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8501 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8502 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8503 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8504 * output.h (output_section_symbols): Declare.
8505 (object_block): Name structure.
8506 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8507 (default_use_anchors_for_symbol_p): Declare.
8508 * Makefile.in (RTL_BASE_H): Add vec.h.
8509 (explow.o): Depend on output.h.
8510 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8511 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8512 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8513 (rs6000_use_blocks_for_constant_p): New function.
8515 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8517 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8519 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8522 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8525 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8527 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8531 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8534 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8535 instead of DECL_REGISTER.
8537 2006-02-18 Olivier Hainque <hainque@adacore.com>
8540 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8542 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8545 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8546 * opth-gen.awk: Handle Var and InverseMask together.
8547 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8548 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8549 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8550 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8552 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8553 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8554 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8555 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8556 LINUX_DYNAMIC_LINKER): Define.
8557 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8558 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8560 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8561 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8562 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8564 (TARGET_C99_FUNCTIONS): Don't define.
8565 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8566 GLIBC_DYNAMIC_LINKER.
8567 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8568 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8569 GLIBC_DYNAMIC_LINKER64): Define.
8570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8571 LINUX_DYNAMIC_LINKER64.
8572 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8574 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8576 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8578 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8579 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8580 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8582 and LINUX_DYNAMIC_LINKER32.
8583 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8585 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8587 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8589 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8590 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8591 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8592 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8593 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8594 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8595 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8596 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8597 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8598 LINUX_DYNAMIC_LINKER): Define.
8599 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8600 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8601 GLIBC_DYNAMIC_LINKER64): Define.
8602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8603 LINUX_DYNAMIC_LINKER64.
8604 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8605 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8606 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8607 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8608 LINUX_DYNAMIC_LINKER): Define.
8609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8610 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8611 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8612 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8613 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8614 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8615 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8616 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8617 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8618 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8620 * doc/invoke.texi (-muclibc): Remove caveat about supported
8623 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8625 * doc/cpp.texi (__TIMESTAMP__): Document.
8627 2006-02-17 Roger Sayle <roger@eyesopen.com>
8630 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8631 C is one less than the width of X (and related transformations).
8632 * simplify-rtx.c (simplify_unary_operation_1): Transform
8633 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8634 depending on STORE_FLAG_VALUE, were C is one less then the
8637 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8639 Fix PR tree-optimization/26341
8640 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8641 about NAME_MEMORY_TAG's.
8643 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8646 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8647 with hardware float support, and software float support. Add fcpy
8648 alternative to hardware patterns. Add alternatives to copy between
8649 general and floating-point registers to the 32-bit pattern.
8650 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8651 secondary reload to load a QI or HI mode constant into a floating
8653 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8654 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8656 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8659 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8661 (load_macho_picbase_di): Likewise.
8663 2006-02-16 Jeff Law <law@redhat.com>
8665 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8666 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8667 (ssa_name_nonzero_p): Likewise.
8668 (get_value_range): Return NULL if VRP is not running.
8669 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8670 VRP routines do not discover a range.
8671 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8672 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8673 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8674 (tree_expr_nonnegative_p): Similarly.
8675 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8676 (restore_nonzero_vars_to_original_value): Remove.
8677 (unsafe_associative_fp_binop): Remove.
8678 (tree_ssa_dominator_optimize): Remove initialization and
8679 finalization of nonzero_vars and nonzero_vars_stack.
8680 (dom_opt_initialize_block): No longer push marker on
8682 (dom_opt_finalize_block): No longer call
8683 restore_nonzero_vars_to_original_value.
8684 (record_equivalences_from_phis): No longer look for
8685 nonzero PHI arguments.
8686 (cprop_into_successor_phis): No longer propagate nonzero
8687 property into PHI arguments. Lose unused argument. Caller
8689 (record_equivalences_from_stmt): No longer record nonzero
8690 values for SSA_NAMEs.
8691 (lookup_avail_expr): No longer use nonzero_vars.
8693 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8694 for sizetype when sizetype is unsigned.
8696 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8698 PR rtl-optimization/25603
8699 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8700 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8701 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8702 with new meaning of SETS.
8704 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8709 * config/linux.opt: New file.
8710 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8711 LINUX_DYNAMIC_LINKER): Define.
8712 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8713 * config.gcc (*-*-linux*): Define extra_options.
8714 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8715 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8716 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8717 GLIBC_DYNAMIC_LINKER.
8718 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8719 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8720 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8722 * doc/invoke.texi (GNU/Linux Options): New section.
8724 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8726 * config/sparc/sparc.md (setjmp): Rewrite.
8727 (setjmp_32): Delete.
8728 (setjmp_64): Likewise.
8730 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8732 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8735 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8737 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8740 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8742 PR rtl-optimization/26296
8743 * Makefile.in (loop-invariant.c): Add except.h dependency.
8744 * loop-invariant.c: Include except.h.
8745 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8747 2005-02-16 Paul Brook <paul@codesourcery.com>
8749 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8752 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8754 PR rtl-optimization/25636
8755 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8756 when deciding whether an insn is an initializing insn.
8758 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8760 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8761 (tree_code_size): Ditto.
8762 * tree.h (struct tree_memory_tag): Remove parent_var.
8763 (struct tree_struct_field_tag): New.
8766 (union tree_node): Add sft member.
8767 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8769 (create_sft): Add size and offset argument, set SFT_OFFSET and
8771 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8772 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8773 * tree-flow-inline.h (get_subvar_at): Update for
8774 SFT_OFFSET/SFT_SIZE.
8775 (var_can_have_subvars): Ditto.
8776 (overlap_subvar): Ditto.
8777 * print-tree.c (print_node): Print out interesting things for
8779 * tree-flow.h (struct subvar): Remove offset and size members.
8780 * tree-ssa-operands.c (get_expr_operands): Update for
8781 get_indirect_ref_operands changes.
8782 (get_indirect_ref_operands): Call add_virtual_operand instead of
8783 add_stmt_operand. Only recurse on base var if requested.
8784 (access_can_touch_variable): New function.
8785 (add_stmt_operand): Split virtual operand handling into ...
8786 (add_virtual_operand): Here. Add offset, size, and for_clobber
8787 arguments. Prune alias sets.
8788 (add_call_clobber_ops): Call add_virtual_operand.
8790 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8793 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8795 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8796 than TREE_CODE as index into omp_clause_num_ops array.
8798 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8800 PR rtl-optimization/26184
8801 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8803 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8804 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8805 must_precede, must_follow and tobe_scheduled.
8808 * opts.c (common_handle_option): Free new_option pointer.
8809 * df-core.c (df_analyze): Free postorder pointer.
8811 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8813 * Makefile.in: Fix the examples about the use of stamps
8815 2006-02-15 Michael Matz <matz@suse.de>
8819 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8820 influenced by maximum_field_alignment or DECL_PACKED.
8821 (update_alignment_for_field): Ditto.
8822 (place_field): Ditto.
8823 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8826 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8828 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8829 (debug_flow_info): Pass it.
8830 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8831 * bb-reorder.c (reorder_basic_blocks): Likewise.
8832 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8833 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8834 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8835 * gcse.c (gcse_main, bypass_jumps): Likewise.
8836 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8837 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8838 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8839 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8840 * rtl.h (dump_flow_info): Adjust prototype.
8841 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8842 * var-tracking.c (variable_tracking_main): Likewise.
8843 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8844 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8847 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8849 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8852 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8854 PR tree-optimization/26209
8855 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8856 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8858 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8860 2006-02-14 Roger Sayle <roger@eyesopen.com>
8863 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8864 (X,Y) and the corresponding symmetry related transformations.
8865 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8866 (X,Y) and its symmetry related transformations.
8868 2006-02-14 Roger Sayle <roger@eyesopen.com>
8870 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8873 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8875 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8877 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8880 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8881 support COMDAT group.
8882 * configure: Regenerate.
8884 2006-02-14 Roger Sayle <roger@eyesopen.com>
8889 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8891 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8893 Fix PR tree-optimization/26260
8895 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8897 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8898 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8899 * tree-ssa-structalias.c (create_variable_info_for): Use
8900 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8902 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8904 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8906 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8907 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8908 of the ending condition.
8909 * tree-ssa-loop-manip.c: Include params.h.
8910 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8911 tree_unroll_loop): New functions.
8912 * tree-pass.h (pass_loop_prefetch): Declare.
8913 * loop.c (rest_of_handle_loop_optimize): Test for
8914 -fprefetch-loop-arrays-rtl.
8915 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8916 * timevar.def (TV_TREE_PREFETCH): New timevar.
8917 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8918 pass_loop_prefetch): New.
8919 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8920 (cleanup_tree_cfg_loop): Call scev_reset.
8921 * common.opt (fprefetch-loop-arrays-rtl): Add.
8922 * tree-ssa-loop-prefetch.c: New file.
8923 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8924 (new_temp_expr_table): Initialize expr_vars.
8925 (free_temp_expr_table): Cleanup expr_vars.
8926 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8927 expressions from being merged into one.
8928 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8929 (struct tree_niter_desc): Add control, bound and cmp fields.
8930 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8932 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8933 (tree-cfgcleanup.o): Add SCEV_H dependency.
8934 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8935 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8937 2006-02-14 Richard Guenther <rguenther@suse.de>
8939 PR tree-optimization/26258
8940 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8941 in PHI argument processing.
8943 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8945 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8946 new expression in the requested machine mode.
8948 2006-02-13 Roger Sayle <roger@eyesopen.com>
8950 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8951 directly, instead let do_compare_rtx_and_jump handle this for us.
8952 * expr.c (expand_expr_real_1): Likewise.
8953 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8954 before do_jump_by_parts_greater.
8955 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8956 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8958 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8960 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8962 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8964 PR rtl-optimization/26235
8965 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8966 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8969 2006-02-13 Jeff Law <law@redhat.com>
8971 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8974 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8977 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8978 twice if decl is a builtin. When trying again, call get_callee_fndecl
8979 first to verify it is still a builtin.
8981 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8983 * dwarf2out.c (base_type_die): Don't add AT_name here.
8984 (subrange_type_die): Don't add AT_name here.
8985 (modified_type_die): Rearrange code flow. Do add AT_name here.
8987 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8989 PR rtl-optimization/26247
8990 PR rtl-optimization/26248
8991 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8993 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8995 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8996 * config/fixtfdi.c: Likewise.
8997 * config/fixunstfdi.c: Likewise.
8998 * config/floatditf.c: Likewise.
9000 2006-02-13 Roger Sayle <roger@eyesopen.com>
9003 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9004 into (X,C2) if C1 is a subset of the bits of C2. Transform
9005 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9007 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9009 2006-02-13 Josh Conner <jconner@apple.com>
9012 * varasm.c (function_section): Check for section name before
9013 calling select_section on targets that define
9014 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9015 unlikely_text_section instead of hot_function_section if
9016 first_function_block_is_cold.
9018 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9021 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9023 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9025 PR rtl-optimization/26222
9026 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9027 after tree->rtl expansion.
9028 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9029 before passing it to emit_move_insn.
9031 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9033 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9035 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9036 Clarify documentation.
9037 * c-common.h (warn_write_strings): Remove.
9038 * c-common.c (warn_write_strings): Likewise.
9039 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9042 2006-02-12 Roger Sayle <roger@eyesopen.com>
9045 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9046 (do_jump_parts_zero_rtx): New function renamed from
9047 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9048 (do_jump_parts_equality_rtx): New function split out from
9049 do_jump_parts_equality. Old implementation renamed as above.
9050 Call do_jump_parts_zero_rtx if either operand is zero.
9051 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9052 do all of the heavy lifting.
9053 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9054 calling either do_jump_by_parts_greater_rtx or
9055 do_jump_by_parts_equality_rtx.
9056 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9057 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9058 moved to do_compare_rtx_and_jump, call it directly.
9059 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9060 mode argument. Call do_compare_rtx_and_jump.
9061 (emit_case_nodes): Update calls to do_jump_if_equal.
9063 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9065 PR rtl-optimization/26225
9066 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9068 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9070 PR rtl-optimization/26232
9071 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9073 2006-02-11 Jason Merrill <jason@redhat.com>
9076 * tree-inline.c (declare_return_variable): Just don't use the
9077 modify target if it's a gimple complex reg and the return slot
9080 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9082 * doc/contrib.texi: Update my entry.
9084 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9086 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9088 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9090 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9093 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9095 * doc/invoke.texi (-floop-optimize2): Removed.
9096 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9097 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9098 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9099 * common.opt (floop-optimize2): Removed.
9100 (fmove-loop-invariants): Enabled by default.
9102 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9104 * tree-if-conv.c (combine_blocks): Free the result of
9105 get_loop_exit_edges.
9107 2006-02-10 Jeff Law <law@redhat.com>
9109 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9111 PR tree-optimization/26213
9112 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9113 loop trying to follow SSA_NAME_VALUE chains.
9115 2006-02-10 Richard Guenther <rguenther@suse.de>
9117 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9118 deal with structures that end in implicitly variable sized arrays.
9120 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9122 PR rtl-optimization/24762
9123 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9126 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9128 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9129 (struct ivopts_data): Add regs_used field.
9130 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9131 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9132 instead of loop_data->regs_used;
9133 (free_loop_data): Do not free aux fields for loops.
9134 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9135 and tree_ssa_iv_optimize_finalize.
9137 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9139 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9141 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9144 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9145 computing the effective result type.
9147 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9150 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9151 (tree_overlaps_hard_reg_set): Declare.
9152 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9153 type and signature to match function type expected by walk_tree.
9154 (tree_overlaps_hard_reg_set): New function.
9155 (decl_conflicts_with_clobbers_p): Rename to:
9156 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9157 Use tree_overlaps_hard_reg_set. Changed caller.
9158 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9159 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9160 * cris.c (cris_md_asm_clobbers): Likewise.
9162 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9164 * reload1.c (emit_input_reload_insns): Delete code that tries to
9165 inherit using find_equiv_reg.
9167 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9169 * c-common.h (flag_const_strings): Don't declare.
9170 * c-common.c (flag_const_strings): Remove.
9171 * c.opt (fconst_strings): Remove.
9172 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9173 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9174 (c_common_init_options): Don't set flag_const_strings.
9175 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9177 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9179 * arm.md (tlobits_cbranch): New pattern.
9180 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9181 testing a single bit.
9183 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9186 * tree-ssa-pre.c (create_component_ref_by_pieces):
9187 Handle RETURN_DECL like VAR_DECL.
9189 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9192 * fold-const.c (fold_indirect_ref_1): Fold
9193 "*(foo *)&complexfoo" to "__real__ complexfoo"
9194 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9196 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9198 * tree-flow-inline.h (var_can_have_subvars):
9199 Volatile variables should not have subvariables.
9201 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9204 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9205 multiplying unsigned values.
9208 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9210 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9212 2006-02-08 Jason Merrill <jason@redhat.com>
9215 * tree.def: Elaborate on difference from MODIFY_EXPR.
9216 * doc/c-tree.texi (INIT_EXPR): Likewise.
9217 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9218 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9219 (gimplify_target_expr): Likewise.
9220 (gimplify_cond_expr): Remove target handling.
9221 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9222 (gimplify_expr): Clobber it here.
9223 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9224 Do return slot optimization if we have an INIT_EXPR.
9227 * tree-inline.c (declare_return_variable): Also clear
9228 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9231 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9234 * gimplify.c (gimplify_one_sizepos): Fix typo.
9236 2006-02-08 Jeff Law <law@redhat.com>
9238 PR tree-optimization/21417
9239 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9240 across a backedge if the control statement at the end of the
9241 block is data dependent on other statements in the same block.
9242 (record_temporary_equivalences_from_stmts): Remove over-conservative
9243 test for threading across backedges.
9245 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9246 control statement, handle all three special cases in the same
9247 manner as they all have the same desired solution. No longer
9248 special case edge flag updating when the post dominator is
9251 2006-02-08 Roger Sayle <roger@eyesopen.com>
9253 * tree.def (CHAR_TYPE): Remove.
9254 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9255 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9256 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9257 (gen_string_type_die): Delete unreachable function.
9259 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9260 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9261 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9262 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9263 * builtins.c (type_to_class): Likewise.
9264 * fold-const.c (fold_convert, build_range_check,
9265 merge_ranges): Likewise.
9266 * expr.c (count_type_elements): Likewise.
9267 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9268 * stor-layout.c (layout_type): Likewise.
9269 * ipa-type-escape.c (type_to_consider): Likewise.
9270 * gimplify.c (omp_firstprivatize_type_sizes,
9271 gimplify_type_sizes): Likewise.
9272 * explow.c (promote_mode): Likewise.
9273 * tree-sra.c (is_sra_scalar_type): Likewise.
9274 * varasm.c (output_constant): Likewise.
9275 * tree-inline.c (remap_type_1): Likewise.
9276 * convert.c (convert_to_pointer, convert_to_real,
9277 convert_to_integer, convert_to_complex): Likewise.
9279 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9281 * df-scan.c (df_def_record_1): A set destination may
9282 be a parallel regardless of mode.
9284 2006-02-08 Roger Sayle <roger@eyesopen.com>
9287 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9288 * config/mips/_tilib.c: Remove.
9289 * config/fixtfdi.c: New libgcc source file.
9290 * config/fixunstfdi.c: New source file.
9291 * config/floatditf.c: New source file.
9292 * config/floatunditf.c: New souce file.
9293 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9294 files above instead of config/mips/_tilib.c.
9295 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9297 2006-02-08 Jeff Law <law@redhat.com>
9299 PR tree-optimization/26169
9300 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9303 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9305 * df.h (DF_REG_SIZE): Return the length of the initialized
9308 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9310 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9311 __muldf3): Return a correctly signed zero.
9313 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9315 * passes.c (register_one_dump_file): Accept the current properties
9316 instead of pass number. Adjust call to dump_register. Remove
9318 (register_dump_files): Now a wrapper around...
9319 (register_dump_files_1): ... this one. Do not modify the pass
9321 (next_pass_1): Cosmetic fix.
9322 (execute_todo): Keep second parameter only. Use curr_properties
9323 instead of fetching it from the pass structure. Check and set
9325 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9326 instead of fetching it from the pass structure. Fix calls to
9327 execute_todo. Update curr_properties and initialize .vcg RTL dump
9328 after running the pass. Reset last_verified.
9329 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9331 (FIRST_AUTO_NUMBERED_DUMP): New.
9332 (dump_register): Remove "num" parameter, assign it within the
9334 (get_dump_file_name): Modify template for dumps.
9335 * tree-dump.h (dump_register): Adjust prototype.
9336 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9337 (PROP_trees): Add PROP_gimple_lomp.
9338 (TODO_set_props): New.
9339 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9340 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9341 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9343 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9345 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9346 (sparc64-*-linux*): Likewise.
9347 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9348 * config/sparc/t-linux: New file.
9349 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9350 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9351 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9352 -m32 -mlong-double-128.
9354 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9355 * config/alpha/t-linux: New file.
9356 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9358 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9359 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9360 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9361 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9362 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9363 (CPP_ARCH32_SPEC): Remove.
9365 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9367 PR tree-optimization/26145
9368 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9371 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9374 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9375 >= 240000 when generating code for SOM runtime.
9376 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9377 to $$dyncall when generating code for SOM runtime..
9379 2006-02-07 Dirk Mueller <dmueller@suse.com>
9382 * doc/invoke.texi (-Wsequence-point): Update documentation
9383 that -Wsequence-point is implemented for C++ as well.
9385 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9387 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9388 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9389 (LIB_SPEC): Likewise.
9390 * doc/invoke.texi (SPARC options): Document -pthread.
9392 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9394 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9397 2006-02-07 Roger Sayle <roger@eyesopen.com>
9399 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9400 Correct comment describing BOOLEAN_TYPE.
9402 2006-02-07 Dirk Mueller <dmueller@suse.com>
9404 * c.opt: C++ frontend supports -Wdiv-by-zero.
9405 * c-opts.c (c_common_handle_option): Remove dead case.
9407 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9409 * configure.ac (TLS assembler check): Do not enable TLS by
9410 default on SPARC/Solaris before version 10.
9411 * configure: Regenerate.
9413 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9415 * doc/invoke.texi (xl-compat): Document conversion and support
9418 2006-02-07 Jeff Law <law@redhat.com>
9420 * tree-vrp.c (find_conditional_asserts): Update comments.
9421 (simplify_stmt_for_jump_threading): New.
9422 (identify_jump_threads, finalize_jump_threads): New.
9423 (vrp_finalize): Call identify_jump_threads.
9424 (execute_vrp): Call finalize_jump_threads.
9425 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9426 (vrp_element, vrp_data, vrp_element_p): Remove.
9427 (vrp_hash_elt, vrp_variables_stack): Remove.
9428 (vrp_hash, vrp_eq, record_range): Remove.
9429 (simplify_cond_and_lookup_avail_expr): Remove.
9430 (extract_range_from_cond): Remove.
9431 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9432 (simplify_stmt_for_jump_threading): New.
9433 (dom_thread_across_edge): New wrapper.
9434 (tree_ssa_dominator_optimize): No longer initialize or
9435 finalize any of the VRP datastructures. Remove iteration
9436 step and simplify as a result of removal of iteration step.
9437 (pass_dominator): Perform a cfg cleanup after DOM.
9438 (dom_opt_finalize_block): Use the new common routines
9439 for threading jumps. Simplify stack management slightly.
9440 No longer need to unwind VRP state.
9441 (record_equivalences_from_incoming_edge): No longer record
9443 (eliminate_redundant_computations): No longer call
9444 simplify_cond_and_lookup_avail_expr.
9445 * tree-flow.h (potentially_threadable_block): Prototype.
9446 (thread_across_edge): Likewise.
9447 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9448 (tree-ssa-threadedge.o): Add dependencies.
9449 * tree-ssa-threadedge.c: New file.
9450 * passes.c (init_optimization_passes): Merge PHIs before
9451 calling VRP. Run VRP again late in the SSA optimization pipeline.
9453 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9455 * df-core.c (df_set_blocks): Do not dereference function pointers.
9456 (df_finish1): Likewise.
9457 (df_hybrid_search_forward): Likewise.
9458 (df_hybrid_search_backward): Likewise.
9459 (df_iterative_dataflow): Likewise.
9460 (df_analyze_problem): Likewise.
9461 (df_compact_blocks): Likewise.
9462 (df_dump): Likewise.
9463 * df-scan.c (df_rescan_blocks): Likewise.
9464 (df_record_entry_block_defs): Likewise.
9466 * genconditions.c (write_conditions): Guard the definition of
9467 'insn_conditions' with the check on GCC version.
9468 (write_writer): Guard the traversal 'insn_conditions' with
9469 the check on GCC version.
9471 2006-02-07 Richard Guenther <rguenther@suse.de>
9475 2006-01-30 Richard Guenther <rguenther@suse.de>
9477 * gimplify.c (gimplify_target_expr): Handle easy cases
9478 without creating a temporary.
9480 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9482 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9483 use of float in probability computations. Use edge probabilities
9484 in place of statically computed probabilities.
9485 (min_spec_prob): New static variable.
9486 (schedule_insns): Initialize it.
9487 (GET_SRC_PROB): Removed.
9488 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9490 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9493 * config/ia64/unwind-ia64.c: Revert last change.
9494 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9495 (INCOMING_FRAME_SP_OFFSET): Define.
9497 2006-02-06 Roger Sayle <roger@eyesopen.com>
9499 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9501 2006-02-07 Ben Elliston <bje@au.ibm.com>
9503 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9504 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9505 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9506 (ix86_return_in_memory): Handle TDmode.
9507 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9508 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9510 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9512 * reorg.c (dbr_schedule): Use dump_file instead of file.
9514 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9517 * config/ia64/predicates.md (extr_len_operand): New predicate.
9518 * config/ia64/ia64.md (extv): Tighten constraints.
9520 (*tbit_and_2): Ditto.
9521 (*tbit_and_3): Ditto.
9522 (*tbit_or_2): Ditto.
9523 (*tbit_or_3): Ditto.
9527 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9530 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9532 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9534 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9535 loop_optimizer_init and loop_optimizer_finalize
9536 * tree-ssa-sink.c (execute_sink_code): Ditto.
9537 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9538 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9539 tree_ssa_loop_done): Ditto.
9540 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9541 * sched-ebb.c: Include output.h.
9542 (schedule_ebbs): Do not use dump argument.
9543 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9544 * loop.c (loop_dump_stream): Removed.
9545 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9547 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9548 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9549 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9550 loop_iterations, strength_reduce, record_biv, record_giv,
9551 final_giv_value, check_final_value, check_ext_dependent_givs,
9552 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9553 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9554 dump_file instead of loop_dump_stream.
9555 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9557 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9559 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9560 * haifa-sched.c: Include output.h
9561 (schedule_insns, sched_init): Do not use dump argument.
9562 * mode-switching.c (optimize_mode_switching): Ditto.
9563 * modulo-sched.c (stats_file): Removed.
9564 (print_node_sched_params): Do not call argument dump_file.
9565 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9566 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9568 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9570 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9571 rtl_loop_init, rtl_loop_done): Ditto.
9572 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9573 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9575 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9576 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9577 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9578 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9579 * emit-rtl.c (renumber_insns): Ditto.
9580 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9581 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9582 * regclass.c (regclass): Ditto.
9583 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9584 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9585 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9586 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9588 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9589 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9591 * gcse.c (gcse_file, debug_stderr): Removed.
9592 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9593 rest_of_handle_gcse): Do not use dump argument.
9594 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9595 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9596 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9597 compute_code_hoist_vbeinout, compute_code_hoist_data,
9598 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9599 compute_store_table, build_store_vectors, insert_insn_start_bb,
9600 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9601 store_motion): Use dump_file instead of gcse_file.
9602 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9603 * profile.c (profile_dump_file): Removed.
9604 (branch_prob): Use dump_file instead of profile_dump_file.
9605 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9607 * tree-ssa-copy.c (dump_copy_of): Ditto.
9608 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9609 dump file to life_analysis.
9610 * bt-load.c (branch_target_load_optimize): Ditto.
9611 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9613 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9614 regclass, dbr_schedule): Declaration changed.
9615 * sched-int.h (sched_init): Declaration changed.
9616 * tree-profile.c (tree_profile_dump_file): Removed.
9617 (tree_profile_hooks): Removed profile_dump_file hook.
9618 * rtl-profile (rtl_profile_dump_file): Removed.
9619 (rtl_profile_hooks): emoved profile_dump_file hook.
9620 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9622 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9623 * tree-cfg.c (build_tree_cfg): Ditto.
9624 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9625 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9626 Declaration changed.
9627 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9628 life_analysis and schedule_insns.
9629 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9631 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9633 * config/mips/mips.c (mips_reorg): Ditto.
9634 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9637 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9639 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9640 (s390_mangle_fundamental_type): New.
9641 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9644 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9645 (alpha_mangle_fundamental_type): New.
9646 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9649 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9651 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9653 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9654 (sparc_mangle_fundamental_type): New.
9656 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9658 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9659 (s390x-*-linux*): Likewise.
9660 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9661 * config/s390/t-linux: New file.
9663 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9665 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9666 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9668 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9670 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9671 (ANTIC_SAFE_LOADS): New macro.
9672 (find_or_generate_expression): Add prototype.
9673 (set_contains_value): Allow null set for sake of not always having
9674 to allocate ANTIC_SAFE_LOADS.
9675 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9676 Allow COMPONENT_REF too.
9677 (valid_in_set): Allow COMPONENT_REF.
9678 Check ANTIC_SAFE_LOADS too.
9679 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9680 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9682 (can_PRE_operation): Add COMPONENT_REF.
9683 (create_component_ref_by_pieces): New function.
9684 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9685 (insert_aux): Move AGGREGATE_TYPE_P check here.
9686 (compute_avail): Set bb local stmt uids.
9687 (pass_pre): Use TODO_update_ssa_only_virtuals.
9689 2006-02-06 Ben Elliston <bje@au.ibm.com>
9691 * configure.ac: Unconditionally disable decimal float by default.
9692 * configure: Regenerate.
9694 2006-02-06 Ben Elliston <bje@au.ibm.com>
9696 * read-rtl.c (read_name): Terminate reading on EOF.
9698 2006-02-06 Ben Elliston <bje@au.ibm.com>
9700 * dfp.c (decimal_real_arithmetic): Change second argument type
9701 from int to enum tree_code. Do not always return true, but now
9702 return result of any call to decimal_do helper functions.
9703 * dfp.h (decimal_real_arithmetic): Update prototype.
9705 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9707 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9709 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9712 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9715 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9717 * tree-vrp.c (cfg_loops): Removed.
9718 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9719 Use current_loops instead of cfg_loops. Pass flags to
9720 loop_optimizer_init.
9721 * cfgloopmanip.c (fix_loop_structure): Update only available
9723 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9724 loop_optimizer_init.
9725 * modulo-sched.c (build_loops_structure): Removed.
9726 (sms_schedule): Use loop_optimizer_init.
9727 * loop-init.c (loop_optimizer_init): Use flags to determine
9728 which properties of loops to prepare.
9729 (rtl_loop_init): Pass flags to loop_optimizer_init.
9730 * tree-ssa-sink.c (execute_sink_code): Ditto.
9731 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9732 * tree-ssa-pre.c (init_pre): Ditto.
9733 * cfgloop.h (LOOPS_NORMAL): New.
9734 (loop_optimizer_init): Declaration changed.
9736 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9738 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9739 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9741 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9743 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9745 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9746 * pa/t-pa64: Delete quadlib.c rule.
9747 * pa/x-ada: Revert last change.
9748 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9750 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9752 PR rtl-optimization/26087
9753 * rtlanal.c (canonicalize_condition): Do not cross basic block
9756 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9759 * config/ia64/ia64.c: Include debug.h.
9760 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9761 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9762 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9763 (process_epilogue, process_set, process_for_unwind_directive):
9764 Output unwind info only if requested. Add CFA info if requested.
9765 Add new arguments as needed. Adjust callers.
9766 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9768 (DWARF2_FRAME_INFO): Define to zero.
9769 * config/ia64/unwind-ia64.c: Remove code that compensated for
9770 the CFA offset error fixed above.
9771 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9772 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9773 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9774 -funwind-tables and -fexceptions to enable frame info.
9775 (dwarf2out_frame_init): Define initial CFA even if
9776 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9777 DWARF2_UNWIND_INFO is nonzero, not just defined.
9778 (dwarf2out_frame_finish): Output non-EH call frame info only
9779 if DWARF2_FRAME_INFO is nonzero.
9780 (convert_cfa_to_loc_list,
9781 compute_frame_pointer_to_cfa_displacement): Define even if
9782 unwind info is not supported.
9783 (gen_subprogram_die): Use the above unconditionally. Remove
9784 legacy alternate code.
9785 * toplev.c (compile_file): Compile in call to
9786 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9787 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9789 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9790 Jakub Jelinek <jakub@redhat.com>
9792 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9793 IBM extended float format long double as "g" on powerpc*-linux.
9795 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9798 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9799 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9801 2006-02-03 Jason Merrill <jason@redhat.com>
9804 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9807 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9808 on the return slot if it's an NRV.
9810 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9812 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9813 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9814 rewrite_use): Do not handle USE_OUTER.
9815 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9816 add_iv_outer_candidates, may_replace_final_value,
9817 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9818 (find_interesting_uses_op): Functionality of
9819 find_interesting_uses_outer_or_nonlin moved here.
9820 (find_interesting_uses_outside): Use find_interesting_uses_op.
9822 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9825 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9827 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9828 Ulrich Weigand <uweigand@de.ibm.com>
9831 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9832 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9833 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9834 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9836 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9837 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9838 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9839 Define secondary reloads for TFmode moves.
9840 (constant_modes): Add TFmode.
9841 (NR_C_MODES): Set to 8.
9842 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9844 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9845 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9846 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9847 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9848 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9849 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9850 (FPR mode macro): Add TFmode.
9851 (DSF mode macro): New.
9852 (<de>, <dee> mode attributes): Removed.
9853 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9854 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9855 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9856 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9857 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9858 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9859 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9860 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9861 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9862 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9863 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9864 "*negabs<mode>2", "sqrt<mode>2"):
9865 Changed <de> to <xde>. R constraint replaced by <Rf>.
9866 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9868 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9869 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9870 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9872 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9873 "extenddftf2", "extendsftf2"): New expanders.
9874 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9875 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9876 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9877 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9879 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9880 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9881 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9882 __floatditf): Add a GCC_4.1.0 symbol version tag.
9883 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9886 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9889 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9890 Use targetm.binds_local_p instead of TREE_PUBLIC.
9892 2006-02-02 Roger Sayle <roger@eyesopen.com>
9894 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9895 on INTEGER_TYPEs to indicate that it denotes a character type.
9896 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9897 signed_char_type_node, unsigned_char_type_node and char_type_node.
9898 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9899 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9900 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9902 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9903 Daniel Berlin <dberlin@dberlin.org>
9905 * tree-tailcall.c (arg_needs_copy_p): New function.
9906 (eliminate_tail_call): Use arg_needs_copy_p.
9907 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9908 (add_virtual_phis): New function.
9910 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9912 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9913 #ignore instead of #scratch for %g7 .register directive.
9915 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9917 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9920 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9922 * flow.c (calculate_global_regs_live): Assert that there aren't any
9925 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9927 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9929 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9930 bsi_after_labels iterator.
9931 * tree-if-conv.c (find_phi_replacement_condition,
9932 replace_phi_with_cond_modify_expr): Likewise.
9933 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9934 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9936 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9938 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9940 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9943 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9944 array after growing it.
9946 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9949 * fold-const.c (fold_checksum_tree): Change type of buf.
9951 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9953 * reload.c (push_secondary_reload): Initialize t_icode.
9955 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9957 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9958 -msoft-float -mlong-double-128 only issue a warning, but don't
9959 swich to DFmode long double.
9961 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9963 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9964 has a constant equivalent, iterate over equivalents for arg0,
9965 calling simplify_relational_operation and if there's a result
9966 cheaper than X, apply fold_rtx and return the result.
9968 2006-02-01 Jan Hubicka <jh@suse.cz>
9970 * opts.c (no_unit_at_a_time_default): New global variable.
9971 (decode_options): Use it.
9972 * opts.h (no_unit_at_a_time_default): Declare.
9974 2006-02-01 Paul Brook <paul@codesourcery.com>
9976 * function.c (assign_parm_setup_reg): Use function argument promotion
9978 * expr.c (expand_expr_real_1): Use function argument promotion rules
9981 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9983 * gcc.c (process_command): Change j to 'unsigned int'.
9985 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9988 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9989 Use the corrected index for the character
9990 out of the string constant.
9992 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9994 * mode-switching.c (optimize_mode_switching): Fix size
9995 allocated for bb_info[n_entities].
9997 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9999 * gcc.c (main): Correct type that is allocated for
10000 explicit_link_files.
10002 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10004 * config/s390/s390.c (init_alignment_context): Set
10005 ALIAS_SET_MEMORY_BARRIER on the MEM.
10006 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10008 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10010 PR middle-end/25933
10011 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10013 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10016 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10018 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10019 * regrename.c: Ditto.
10020 * tree-ssa-loop-im.c: Ditto.
10021 * tree-dump.c: Ditto.
10022 * tree-complex.c: Ditto.
10023 * genrecog.c: Ditto.
10024 * tree-ssa-threadupdate.c: Ditto.
10026 * java/class.c: Ditto.
10027 * java/jcf-parse.c: Ditto.
10028 * java/resource.c: Ditto.
10029 * java/except.c: Ditto.
10030 * java/jvspec.c: Ditto.
10031 * java/jcf-write.c: Ditto.
10032 * java/jcf-path.c: Ditto.
10033 * java/gjavah.c: Ditto.
10034 * java/zextract.c: Ditto.
10035 * java/jcf-io.c: Ditto.
10036 * java/jcf.h: Ditto.
10037 * java/buffer.c: Ditto.
10038 * java/lang.c: Ditto.
10039 * java/parse-scan.y: Ditto.
10040 * java/lex.c: Ditto.
10041 * java/lex.h: Ditto.
10042 * cfgloopmanip.c: Ditto.
10043 * postreload-gcse.c: Ditto.
10044 * tree-ssa-loop-manip.c: Ditto.
10045 * postreload.c: Ditto.
10046 * tree-ssa-loop-ch.c: Ditto.
10049 * cppspec.c: Ditto.
10050 * diagnostic.c: Ditto.
10052 * genoutput.c: Ditto.
10054 * cfghooks.c: Ditto.
10055 * cfgloopanal.c: Ditto.
10056 * objc/objc-act.c: Ditto.
10058 * genextract.c: Ditto.
10059 * genautomata.c: Ditto.
10060 * pretty-print.c: Ditto.
10061 * genemit.c: Ditto.
10062 * cgraphunit.c: Ditto.
10064 * df-scan.c: Ditto.
10065 * haifa-sched.c: Ditto.
10066 * dominance.c: Ditto.
10068 * tree-ssa-loop-ivopts.c: Ditto.
10069 * df-core.c: Ditto.
10070 * mode-switching.c: Ditto.
10071 * modulo-sched.c: Ditto.
10073 * ipa-pure-const.c: Ditto.
10075 * fix-header.c: Ditto.
10077 * tree-stdarg.c: Ditto.
10078 * ipa-utils.c: Ditto.
10079 * loop-init.c: Ditto.
10080 * ipa-inline.c: Ditto.
10081 * cfganal.c: Ditto.
10083 * alloc-pool.c: Ditto.
10084 * dwarf2out.c: Ditto.
10086 * genattrtab.c: Ditto.
10087 * tree-ssa-loop-ivcanon.c: Ditto.
10088 * predict.c: Ditto.
10089 * timevar.c: Ditto.
10091 * fortran/gfortranspec.c: Ditto.
10092 * regmove.c: Ditto.
10093 * local-alloc.c: Ditto.
10094 * langhooks.c: Ditto.
10095 * function.c: Ditto.
10096 * tree-vectorizer.c: Ditto.
10098 * ipa-type-escape.c: Ditto.
10100 * tree-if-conv.c: Ditto.
10101 * profile.c: Ditto.
10103 * tree-data-ref.c: Ditto.
10104 * loop-unroll.c: Ditto.
10105 * treelang/treetree.c: Ditto.
10107 * bt-load.c: Ditto.
10108 * ggc-common.c: Ditto.
10110 * coverage.c: Ditto.
10112 * tree-cfgcleanup.c: Ditto.
10113 * tree-ssa-pre.c: Ditto.
10114 * cfgcleanup.c: Ditto.
10115 * loop-invariant.c: Ditto.
10116 * loop-iv.c: Ditto.
10117 * ipa-prop.c: Ditto.
10118 * print-tree.c: Ditto.
10119 * conflict.c: Ditto.
10120 * ggc-page.c: Ditto.
10121 * sched-deps.c: Ditto.
10122 * regclass.c: Ditto.
10123 * tree-object-size.c: Ditto.
10124 * combine.c: Ditto.
10125 * bb-reorder.c: Ditto.
10126 * resource.c: Ditto.
10127 * var-tracking.c: Ditto.
10128 * cfgloop.c: Ditto.
10129 * df-problems.c: Ditto.
10130 * reg-stack.c: Ditto.
10132 * gccspec.c: Ditto.
10133 * sched-rgn.c: Ditto.
10134 * tree-ssa-structalias.c: Ditto.
10135 * tree-ssa-reassoc.c: Ditto.
10136 * config/darwin-c.c: Ditto.
10137 * config/darwin.c: Ditto.
10138 * config/arm/arm.c: Ditto.
10140 * collect2.c: Ditto.
10141 * reload1.c: Ditto.
10143 2006-01-31 Nicolas Pitre <nico@cam.org>
10145 * arm.md (smaxsi3): Make aware of smax_m1.
10148 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10150 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10152 2006-01-31 Richard Guenther <rguenther@suse.de>
10154 * doc/invoke.texi (-msselibm): Document.
10155 * target.h (expand_library_builtin): New target hook.
10156 * builtins.c (expand_builtin): Use expand_library_builtin.
10157 (default_expand_library_builtin): New function.
10158 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10159 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10160 (link_gcc_math_spec): Declare.
10161 (static_specs): Add link_gcc_math_spec.
10162 * expr.h (default_expand_library_builtin): Declare.
10163 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10164 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10165 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10166 * config/i386/i386.opt (msselibm): New target option.
10167 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10168 (ix86_init_sse_abi_builtins): New function.
10169 (ix86_expand_library_builtin): Likewise.
10170 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10171 (override_options): Handle error conditions wrt -msselibm.
10172 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10173 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10174 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10177 2006-01-31 Richard Guenther <rguenther@suse.de>
10178 Paolo Bonzini <bonzini@gnu.org>
10180 * doc/install.texi (--disable-libgcc-math): Document.
10182 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10184 * expr.h (expand_normal): new inline function.
10185 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10186 * dojump.c: use it.
10187 * dwarf2out.c: use it.
10190 * expmed.c: use it.
10191 * except.c: use it.
10192 * config/sparc/sparc.c: use it.
10193 * config/i386/i386.c: use it.
10194 * config/rs6000/rs6000.c: use it.
10195 * config/arm/arm.c: use it.
10196 * config/mips/mips.c: use it.
10197 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10199 2006-01-30 Roger Sayle <roger@eyesopen.com>
10201 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10202 argv to the appropriate type.
10204 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10206 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10209 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10212 * config/s390/s390.c (struct machine_function): New flag
10213 decomposed_literal_pool_addresses_ok_p.
10214 (s390_reorg): Set it before final stage of literal pool transforms.
10215 (s390_decompose_address): Only accept displacements of the form
10216 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10218 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10220 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10221 the comparison routine return.
10223 2006-01-30 Michael Matz <matz@suse.de>
10225 * global.c (find_reg): Only evict for global regs.
10226 Take n_refs into account and dump more info.
10228 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10231 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10232 (pragma_trap, pragma_nosave_low_regs): Likewise.
10233 (current_function_anonymous_args): Likewise.
10234 (sh_deferred_function_attributes): New variable.
10235 (sh_deferred_function_attributes_tail): Likewise.
10236 (print_operand): For '@', look up trap_exit attribute.
10237 (calc_live_regs): Look up trapa_handler attribute. For trapa
10238 handlers, save/restore fpscr, but don't do any other
10239 interrupt-specific saves.
10240 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10241 Fix check for partially saved registers to check for SHmedia.
10242 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10243 (sh_output_function_epilogue): Don't clear any of the removed
10245 (sh_insert_attributes): Don't check pragma_interrupt.
10246 Insert deferred attributes. Check that interrupt attribute is
10247 present for other attributes that require its presence.
10248 (sh_attribute_table): Add new attributes trapa_handler and
10250 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10251 Don't check for pragma_interrupt. Don't store argument.
10252 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10253 (sh_deferred_function_attributes): Declare.
10254 (sh_deferred_function_attributes_tail): Likewise.
10255 * sh.md (sp_switch_1): Add operand. Change generator caller.
10256 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10257 (*return_i): Don't use when trap_exit attribute is in effect.
10258 (*return_trapa): New insn pattern.
10259 * sh-c.c: New file.
10260 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10261 setting c_target_objs and cxx_target_objs.
10262 * t-sh: Add rule for sh-c.o.
10264 2006-01-30 Richard Guenther <rguenther@suse.de>
10267 * gimplify.c (gimplify_target_expr): Handle easy cases
10268 without creating a temporary.
10270 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10272 * vec.h (safe_grow): Remove duplicated line.
10274 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10277 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10278 (expand_omp): ... here.
10279 (expand_omp_parallel): Only remove barriers for combined
10280 parallel+workshare constructs.
10282 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10286 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10287 * tree.c (build_qualified_type): Chain the new type to the original
10288 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10289 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10290 (build_pointer_type_for_mode): Only return unqualified types.
10291 (build_reference_type_for_mode): Likewise.
10293 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10295 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10296 * Makefile.in (CXX_COMPAT_WARN): Define.
10297 * configure: Regenerate.
10299 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10302 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10305 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10307 * toplev.c: Fix thinko.
10309 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10310 Marcin Dalecki <martin@dalecki.de>
10312 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10313 (push_srcloc): Use XNEW.
10314 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10316 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10318 * df-core.c (df_set_blocks): Deleted all variable.
10320 2006-01-28 Ian Lance Taylor <ian@airs.com>
10322 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10323 cgraph_output_pending_asms.
10325 2006-01-28 Zack Weinberg <zackw@panix.com>
10327 * c.opt: Add -W(no-)overlength-strings.
10328 * doc/invoke.texi: Document it.
10329 * c-opts.c (c_common_handle_option): -pedantic implies
10330 -Woverlength-strings, if not explicitly disabled already.
10331 (c_common_post_options): -Woverlength-strings defaults to off, and
10332 is always off for C++.
10333 * c-common.c (fix_string_type): Issue warning about strings longer
10334 than is portable only if warn_overlength_strings. Rearrange code
10335 a little for clarity.
10336 * configure.in: Check for -Wno-overlength-strings as well before
10337 enabling -pedantic in stage 1.
10338 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10339 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10341 * genconditions.c (write_header, write_one_condition)
10342 (write_conditions, write_writer): Consolidate very long strings
10343 that were broken up to fit in C89 portable limit. Don't use
10344 printf when fputs will do.
10346 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10348 * combine.c (simplify_comparison <AND>): Check
10349 TRULY_NOOP_TRUNCATION before start using a subreg.
10351 * config/mips/mips.md (*branch_zero<mode>,
10352 *branch_zero<mode>_inverted, *branch_equality<mode>,
10353 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10354 Remove mode check from comparisons.
10356 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10358 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10360 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10362 * expmed.c (const_mult_add_overflow_p): Remove.
10363 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10365 * recog.c (validate_replace_rtx_subexp): Remove.
10366 * recog.h: Remove the prototype for
10367 validate_replace_rtx_subexp.
10369 * integrate.h: Remove the prototype for
10370 copy_decl_for_inlining.
10371 * rtl.h: Remove the prototype for mark_constant_function.
10372 * tree-vectorizer.h: Remove the prototype for
10373 vect_strip_conversion.
10375 * modulo-sched.c (create_partial_schedule,
10376 free_partial_schedule, reset_partial_schedule): Make them
10379 * hooks.c (hook_bool_rtx_int_false): Remove.
10380 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10382 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10384 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10385 and -mlong-double-128 are incompatible.
10386 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10387 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10388 (TARGET_LIBGCC2_CFLAGS): Define.
10389 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10390 (TARGET_LIBGCC2_CFLAGS): Same.
10391 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10393 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10396 * c-typeck.c (build_binary_op): Perform implicit casts of
10397 operands before shortening them.
10399 * cfgloopmanip.c (split_loop_bb): Remove.
10400 * cfgloop.h: Remove the prototype for split_loop_bb.
10402 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10403 * cfgloop.h: Remove the prototype for
10404 flow_loop_outside_edge_p.
10406 * emit-rtl.c (init_virtual_regs): Make it static.
10407 * function.h: Remove the prototype for init_virtual_regs.
10409 * recog.c (peephole2_optimize): Make it static.
10410 * recog.h: Remove the prototype for peephole2_optimize.
10412 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10414 * df-scan.c (df_record_entry_block_defs): Check if
10415 INCOMING_RETURN_ADDR_RTX is defined.
10417 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10418 Kenneth Zadeck <zadeck@naturalbridge.com>
10420 PR rtl-optimization/24762
10421 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10422 * targhooks.c (hook_void_bitmap): New hook prototype.
10423 * targhoohs.h (hook_void_bitmap): Ditto.
10424 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10425 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10426 * target.h (live_on_entry): New function pointer.
10427 * df-scan.c (df_all_hard_regs): Removed.
10428 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10429 (df_scan_free_internal): Added df->entry_block_defs.
10430 (df_scan_alloc): Ditto.
10431 (df_scan_dump): Ditto.
10432 (df_uses_record): Plumbed flag field properly thru calls.
10433 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10434 This part fixes PR24762.
10435 (df_bb_refs_record): Added code to make the frame and arg
10436 pointers live in EH blocks.
10437 (df_refs_record): Added call to df_record_entry_block_defs.
10438 (df_record_entry_block_defs): New function.
10439 * df-core.c: Added comments to describe new artifical defs.
10440 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10441 (entry_block_defs): New field in struct df.
10442 (df_all_hard_regs): Deleted.
10443 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10444 * df-problems.c (df_ru_bb_local_compute_process_def):
10445 Added code to handle artifical defs in the entry to a function.
10446 (df_ru_bb_local_compute): Ditto.
10447 (df_rd_bb_local_compute_process_def): Ditto.
10448 (df_rd_bb_local_compute): Ditto.
10449 (df_lr_bb_local_compute): Ditto.
10450 (df_ur_bb_local_compute): Ditto.
10451 (df_urec_bb_local_compute): Ditto.
10452 (df_chain_create_bb): Ditto.
10453 (df_ur_local_finalize): Removed entry.
10454 (df_urec_init): Ditto.
10455 (df_urec_local_finalize): Ditto.
10456 (df_ri_bb_compute): Added detection of last use of pseudos.
10457 * Makefile.in (df-scan.o): Updated dependencies.
10458 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10459 * config/mips/mips.c (mips_set_live_on_entry): Added.
10460 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10462 * dce.c (marked_insn_p): Added code to handle artifical defs.
10464 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10466 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10468 (_mm_cvtsi128_si64): Likewise.
10469 (_mm_cvtsd_si64): Likewise.
10470 (_mm_cvttsd_si64): Likewise.
10471 (_mm_cvtsi64_sd): Likewise.
10472 (_mm_cvtsi64_si128): Likewise.
10473 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10474 (_mm_cvtsi64_m64): Likewise.
10475 (_m_to_int64): Likewise.
10476 (_mm_cvtm64_si64): Likewise.
10477 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10478 (_mm_cvttss_si64): Likewise.
10479 (_mm_cvtsi64_ss): Likewise.
10480 (_mm_cvtss_f32): Likewise.
10482 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10484 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10485 for pragma redefine_extname.
10487 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10490 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10491 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10492 -mno-minimal-toc to previous content.
10493 (bispecs): Remove goal.
10494 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10495 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10496 compatibility aliases on powerpc-*-*gnu*.
10497 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10498 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10499 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10500 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10501 (ldblspecs): New goal.
10502 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10503 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10505 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10506 L_sf_to_tf or L_df_to_tf is defined.
10508 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10509 Alan Modra <amodra@bigpond.net.au>
10512 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10513 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10514 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10515 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10516 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10517 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10518 (rs6000_override_options): Initialize rs6000_ieeequad.
10519 Initialize TFmode format to ibm_extended_format if not
10521 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10523 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10524 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10525 (function_arg_advance): IBM long double passed in two FPRs, not
10527 (function_arg): IBM long double passed in FPRs.
10528 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10529 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10530 Only multireg GPR aligned.
10531 (rs6000_init_libfuncs): Enable IBM long double functions if not
10533 (rs6000_generate_compare): Use IBM long double compare if not
10535 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10536 (TARGET_IEEEQUAD): Define.
10537 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10538 not TARGET_IEEEQUAD.
10539 * config/rs6000/rs6000.md: Enable TFmode patterns if
10541 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10542 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10543 and -mlong-double-128 are incompatible.
10544 * doc/invoke.texi (-mabi): Collect options together. Add
10545 ibmlongdouble and ieeelongdouble.
10547 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10549 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10551 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10552 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10553 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10554 * rtl.h (rtunion_def): Remove rt_ptr.
10556 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10557 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10558 * config/i386/winnt.c (i386_pe_mark_dllexport)
10559 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10561 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10563 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10565 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10569 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10570 pthread_key_delete. From John David Anglin. gthrw-ify
10571 pthread_getunique_np only if it it's not a macro. Delete
10573 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10574 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10575 __gthread_objc_condition_signal, __gthread_key_delete): Add
10576 "__attribute__ ((__unused__))" to unused arguments.
10577 (__gthread_recursive_mutex_init_function): Add missing return.
10578 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10579 gthr-posix95.h: Use macro-based approach for name redirection
10580 on targets missing weakref.
10582 2006-01-26 Zack Weinberg <zackw@panix.com>
10584 * genconditions.c (write_header): In generated code, #ifdef out
10585 all includes and fake declarations, except includes of bconfig.h
10586 and system.h, unless GCC_VERSION >= 3001. Do not include
10587 gensupport.h in any case.
10588 (write_conditions): Generate a definition of struct c_test. Add
10589 a comment to the generated #endif.
10590 (write_one_condition): Escape backslashes in string too.
10591 (write_writer): Generated code must escape backslashes and quote
10592 marks (but not newlines) in the strings it writes.
10593 * Makefile.in (build/gencondmd.o): Update dependencies.
10595 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10598 * Makefile.in (insn-automata.o): Add header file dependencies.
10599 * genautomata.c: Add includes.
10601 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10604 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10606 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10608 * configure.ac: Expect target tools paths to be passed from the toplevel
10609 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10611 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10613 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10616 * c.opt (Wpointer-sign): Init to -1.
10617 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10618 OPT_pedantic, to 0 otherwise.
10619 * doc/invoke.texi: Update.
10621 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10623 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10624 constants provided by 80387 instructions in the destination mode.
10626 2006-01-26 Richard Guenther <rguenther@suse.de>
10627 Andrew Pinski <pinskia@physics.uc.edu>
10630 partial PR tree-opt/17064
10631 * tree-ssa-structalias.c (intra_create_variable_infos):
10632 Create heap variables for incoming parameters if
10633 flag_argument_noalias > 1.
10634 (find_what_p_points_to): Look through default defs of
10637 2006-01-26 Jeff Law <law@redhat.com>
10640 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10641 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10642 within the VR_RANGE, use the VR_RANGE as the result, not the
10644 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10645 bounds for the type.
10647 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10649 * tree-ssa-alias.c (maybe_create_global_var): Change
10650 subvar walking to an assertion that we don't have subvar'd variables.
10652 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10655 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10656 Use a new variable, inner. PARM_DECLs are always non-weak.
10658 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10660 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10661 --disable-checking.
10663 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10665 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10667 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10669 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10670 (smax_insn, smin_insn, smax_0, smin_0): New.
10672 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10675 * config/cris/cris.c (cris_order_for_addsi3): New function.
10676 * config/cris/cris-protos.h: Prototype it.
10677 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10678 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10679 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10680 (split for "op.S1 [rx=rx+i],ry (swapped)")
10681 (split for "op(s|u).S1 [rx=rx+i],ry")
10682 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10683 Apply cris_order_for_addsi3 when generating addsi3 insns.
10685 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10687 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10688 (TREE_BLOCK): Add call to EXPR_CHECK.
10690 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10693 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10694 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10695 (dump_omp_clauses): ... here.
10696 (dump_generic_node): Handle OMP_CLAUSE.
10697 * tree.c (omp_clause_num_ops): New.
10698 (omp_clause_code_name): New.
10699 (tree_code_size): Handle OMP_CLAUSE.
10700 (tree_size): Likewise.
10701 (make_node): Document handling of OMP_CLAUSE.
10702 (tree_node_structure): Handle OMP_CLAUSE.
10703 (omp_clause_check_failed): New.
10704 (omp_clause_range_check_failed): New.
10705 (omp_clause_operand_check_failed): New.
10706 (build_omp_clause): New.
10707 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10708 * tree.h (enum omp_clause_code): Declare.
10709 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10710 (OMP_CLAUSE_RANGE_CHECK): Define.
10711 (OMP_CLAUSE_ELT_CHECK): Define.
10712 (omp_clause_check_failed): Declare.
10713 (omp_clause_operand_check_failed): Declare.
10714 (omp_clause_range_check_failed): Declare.
10715 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10716 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10717 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10718 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10719 (OMP_CLAUSE_IF_EXPR): Likewise.
10720 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10721 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10722 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10723 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10724 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10725 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10726 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10727 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10728 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10729 (OMP_CLAUSE_CODE): Define.
10730 (OMP_CLAUSE_SET_CODE): Define.
10731 (OMP_CLAUSE_CODE): Define.
10732 (OMP_CLAUSE_OPERAND): Define.
10733 (struct tree_omp_clause): Declare.
10734 (union tree_node): Add field 'omp_clause'.
10735 * treestruct.def (TS_OMP_CLAUSE): Define.
10736 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10737 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10738 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10739 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10740 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10741 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10742 (OMP_CLAUSE): Define.
10743 * print-tree.c (print_node): Handle OMP_CLAUSE.
10744 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10745 * c-typeck.c: Likewise.
10746 * gimplify.c: Likewise.
10747 * c-omp.c: Likewise.
10748 * tree-nested.c: Likewise.
10749 * tree-inline.c: Likewise.
10750 * c-parser.c: Likewise.
10751 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10754 2006-01-25 Roger Sayle <roger@eyesopen.com>
10756 PR rtl-optimization/25703
10757 * combine.c (try_combine): Handle zero_extract and strict_low_part
10758 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10760 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10762 * global.c: Fix comment typos.
10764 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10767 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10768 Use output_addr_const instead of assemble_name.
10770 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10772 * Makefile.in (sched-vis.o): Update dependencies.
10773 * haifa-sched.c (sched_finish): Clear current_sched_info.
10774 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10775 (dump_flow_info): Call it.
10776 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10778 * basic-block.h (dump_bb_info): Declare.
10779 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10780 option, and apply options only for dump files whose TDF_RTL,
10781 TDF_TREE, or TDF_IPA bits match.
10782 * rtl.h: Declare new functions exported from sched-vis.c.
10783 * sched-vis.c: Enable also if scheduling is not used.
10784 (print_value): Print the mode of registers if not inside scheduling.
10785 (print_insn): Make it work outside the scheduler. Beautify the output
10787 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10789 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10791 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10792 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10793 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10794 depending on the value of CONSTANT_POOL_ADDRESS_P.
10795 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10797 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10798 rather than SYMBOL_REF_DECL.
10799 (rtx_constant_pool): Remove const_rtx_sym_htab.
10800 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10801 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10802 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10803 Remove handling of const_rtx_sym_htab.
10804 (find_pool_constant): Delete.
10805 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10806 rather than find_pool_constant.
10807 (get_pool_constant_for_function): Delete.
10808 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10809 find_pool_constant.
10810 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10811 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10812 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10813 (SYMBOL_REF_CONSTANT): New macro.
10814 (get_pool_constant_for_function): Delete.
10815 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10816 rather than SYMBOL_REF_DECL.
10817 (i386_pe_mark_dllimport): Likewise.
10818 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10819 rather than SYMBOL_REF_DECL.
10820 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10821 (machopic_indirect_call_target): Likewise.
10823 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10825 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10827 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10829 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10831 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10833 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10835 2006-01-24 David Daney <ddaney@avtrex.com>
10838 * configure.ac (enable_tls): New enable option.
10839 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10840 * configure: Regenerate.
10841 * doc/install.texi (--enable-tls): Document new option.
10842 (--disable-tls): Ditto.
10844 2006-01-24 Richard Henderson <rth@redehat.com>
10846 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10847 * alias.c (true_dependence): Respect it.
10848 (canon_true_dependence, write_dependence_p): Likewise.
10849 * builtins.c (get_builtin_sync_mem): Set it.
10851 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10853 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10856 2006-01-24 DJ Delorie <dj@redhat.com>
10858 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10859 for storing constants in single-bit bitfields.
10861 2006-01-25 Ben Elliston <bje@au.ibm.com>
10863 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10865 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10868 * tree-ssa-pre.c (phi_translate): Return NULL
10869 for AGGREGATE_TYPE's.
10871 2006-01-24 Zack Weinberg <zackw@panix.com>
10873 * genautomata.c (process_state_for_insn_equiv_partition):
10874 Use xcalloc for insn_arcs_array.
10875 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10876 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10878 2006-01-24 Richard Henderson <rth@redhat.com>
10880 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10881 update all callers.
10883 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10885 PR rtl-optimization/25890
10886 PR rtl-optimization/25905
10887 * combine.c (expand_compound_operation, expand_field_assignment):
10888 Fail if the bitfield's final position is out of bounds.
10890 2006-01-24 Ian Lance Taylor <ian@airs.com>
10892 PR middle-end/25930
10893 * cgraphunit.c (cgraph_output_in_order): Don't clear
10894 cgraph_asm_nodes until after asm strings have been output.
10896 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10898 * fix-header.c (read_scan_file): Add new parameter imultilib when
10899 calling register_include_chains.
10901 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10903 * omp-low.c: Update documentation.
10905 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10906 Daniel Berlin <dberlin@dberlin.org>
10910 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10911 return from the function.
10913 2006-01-22 Zack Weinberg <zackw@panix.com>
10915 * rtl.def (match_code): Add second argument.
10916 * genpreds.c (write_extract_subexp): New function.
10917 (write_match_code): Add path argument. Use write_extract_subexp.
10918 (write_predicate_expr): Pass path to write_match_code.
10919 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10920 not perform a mode test.
10921 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10922 a subexpression does not constrain the top-level code set.
10923 * read-rtl.c (read_rtx_variadic): New function.
10924 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10925 * doc/md.texi: Document new notation.
10926 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10927 (cmpsi_operand): ... here, using new notation.
10929 2006-01-22 Zack Weinberg <zackw@panix.com>
10931 * varray.c: Remove GENERATOR_FILE #ifdefs.
10933 2006-01-22 Zack Weinberg <zackw@panix.com>
10935 * genautomata.c (output_reserved_units_table): Emit nothing if
10936 description->query_units_num is zero. Remove extra blank line.
10937 (output_cpu_unit_reservation_p): Short circuit
10938 if description->query_units_num is zero.
10940 2006-01-22 Zack Weinberg <zackw@panix.com>
10942 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10943 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10944 nor any of the random handful of variables that used to be necessary
10945 when this program was linked with rtlanal.o. Prune set of forward
10946 function declarations.
10947 (struct attr_desc): Remove static_p field.
10948 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10949 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10950 (attr_string): Do not read the character one past the length of
10952 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10953 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10954 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10955 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10956 (make_automaton_attrs): New.
10957 (main): Do not call into genautomata. Call local gen_bypass
10958 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10959 Remove special case for insn_alts.
10960 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10961 varray.h (leftover from previous change). Prune set of forward
10962 function declarations. Remove state_alts fields from all
10963 structures. Remove state_alts_table from struct automaton.
10964 Make everything except main static. Do not maintain num_dfa_decls.
10965 Do not maintain state_alts fields of various structures.
10966 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10967 (add_arc): Remove state_alts argument. All callers updated.
10968 (output_reserved_units_table): Emit #ifdef here...
10969 (output_tables): ...not here. Don't generate state_alts tables.
10970 (expand_automata): Don't generate attributes.
10971 (write_automata): Don't generate state_alts functions.
10972 (main): New function.
10973 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10974 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10975 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10976 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10977 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10978 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10979 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10980 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10982 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10983 * genattrtab.h: Delete file.
10984 * Makefile.in (OBJS-common): Add insn-automata.o.
10985 (insn-automata.o): New rule.
10986 (simple_generated_c): Add insn-automata.c.
10987 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10988 (genprogmd): Add automata.
10989 (build/genattrtab): Needs no extra objects nor libraries.
10990 (build/genautomata): Needs build/vec.o and -lm.
10992 2006-01-22 Zack Weinberg <zackw@panix.com>
10994 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10995 (output_dfa_max_issue_rate, locked_states_num): Delete.
10996 (struct automaton): Add locked_states field.
10997 (output_dead_lock_vect): Save number of locked states in
10998 automaton->locked_states. If it is zero, don't print anything.
10999 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11000 (output_internal_dead_lock_func): Only test the dead_lock_vect
11001 for automata that have locked states.
11002 (output_statistics): Always print the number of locked states for
11003 each automaton. Calculate total number of locked states here.
11004 (write_automata): Don't call output_dfa_max_issue_rate.
11005 * genattrtab.c: Define length_unit_log as a const variable.
11006 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11007 max_insn_queue_index const.
11008 * final.c (length_unit_log): Declare const.
11009 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11011 2006-01-22 Zack Weinberg <zackw@panix.com>
11013 * genautomata.c: Include vec.h, not varray.h.
11014 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11015 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11016 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11017 VEC_* macros operating on appropriately typed vectors, or to
11018 malloced arrays when the size is known in advance. Const-ify
11019 many char* variables and function arguments. No functional changes.
11020 * Makefile.in (build/varray.o): Delete rule.
11021 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11022 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11024 2006-01-22 Zack Weinberg <zackw@panix.com>
11026 * gensupport.c: Define get_insn_name and record_insn_name here.
11027 (read_md_rtx): Call record_insn_name as appropriate.
11028 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11029 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11030 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11032 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11033 (BUILD_VARRAY): Delete.
11034 (genprognormal): Rename genprogmd. Fold in all programs from
11035 genprognoprint; also attrtab.
11036 (build/genattrtab): Just mention genautomata.o and varray.o.
11037 Reorganize a bit, add comments to make the categories clearer.
11039 2006-01-22 Zack Weinberg <zackw@panix.com>
11041 * genconditions.c (condition_table, add_condition): Delete.
11042 (write_conditions): Don't emit n_insn_conditions nor
11043 insn_elision_unavailable. Issue the gcc version #ifdef here,
11044 inside the table, with no #else clause ...
11045 (write_header): ...not here.
11046 (write_writer): New function.
11047 (main): Don't initialize condition_table. Use add_c_test.
11049 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11050 files on the command line.
11051 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11052 Return -1 if there is no entry in the table, don't abort.
11053 (add_c_test, traverse_c_tests): New functions.
11054 * gensupport.h (insn_elision_unavailable, insn_conditions)
11055 (n_insn_conditions): Delete declarations.
11056 (add_c_test, traverse_c_tests): Declare.
11057 * read-rtl.c: Include gensupport.h.
11058 (read_conditions): New function.
11059 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11060 (read_rtx_1): If we get EOF when we were looking for an initial
11061 open paren, return 0. Call read_conditions when appropriate.
11062 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11063 dummy-conditions.o. Eliminate references to insn-conditions.o,
11064 or change them to build/gencondmd.o, as appropriate. Remove
11065 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11066 from $(simple_generated_c). For all files remaining in those
11067 two lists, add insn-conditions.md to the generator command line.
11068 Give insn-constants.h/s-constants their own rules. Add rules
11069 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11070 (build/read-rtl.o): Depend on gensupport.h.
11071 (genprognormal): Include preds.
11072 (genprogearly): Rename genprognoprint; only difference is now that
11073 they don't link with $(BUILD_PRINT).
11074 * dummy-conditions.c: Delete.
11076 2006-01-22 Zack Weinberg <zackw@panix.com>
11078 * genextract.c: Don't include insn-config.h. Do include vec.h.
11079 Declare vectors of int, char, and locstr.
11080 (locstr): New typedef.
11081 (struct extraction): Make all array fields into bare pointers.
11082 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11083 (insn_code_number): Delete.
11084 (accum_extract): New struct.
11085 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11086 (gen_insn): Take insn_code_number as an argument. Use an
11087 accum_extract structure instead of loading data directly into
11088 a struct extraction, and having to know how big it might get.
11089 (walk_rtx): Operate entirely on an accum_extract structure.
11090 (print_path): Avoid unnecessary use of printf.
11091 (print_header): New function, split out of main. Distinguish
11092 more carefully between an unrecognizable insn and an insn that
11093 has the code number of a define_expand.
11094 (main): Pass insn_code_number to gen_insn. Call print_header
11095 only after parsing. Avoid unnecessary use of printf.
11096 * Makefile.in (build/vec.o): New rule.
11097 (build/genextract): Depend on build/vec.o.
11098 (build/genextract.o): Don't depend on insn-config.h.
11100 2006-01-22 Zack Weinberg <zackw@panix.com>
11102 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11103 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11104 practical. Eliminate per-generator-program link rules.
11106 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11108 PR middle-end/24437
11109 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11110 with a call expr to ...
11111 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11113 2006-01-23 Richard Guenther <rguenther@suse.de>
11115 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11116 before make_edge with conditional EDGE_TRUE_VALUE.
11118 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11119 Jan Hubicka <jh@suse.cz>
11120 Richard Guenther <rguenther@suse.de>
11122 PR rtl-optimization/25654
11123 * cfgexpand.c (aggregate_contains_union_type): New function.
11124 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11125 for structure variables that contain a union type.
11127 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11129 * gengtype.c (new_structure): Return the structure.
11130 (create_option): Add an extra "next" argument.
11131 (create_field): New function.
11132 (adjust_field_rtx_def): Use create_option and create_field.
11133 Remove a now-unnecessary call to find_structure.
11134 (adjust_field_tree_def): Likewise.
11135 (note_yacc_type): Remove an unnecessary call to find_structure.
11136 * gengtype.h (new_structure): Return the structure.
11137 (create_option): Add an extra argument.
11138 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11139 (option): Adjust calls to create_option.
11141 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11143 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11145 2006-01-22 Paul Brook <paul@codesourcery.com>
11146 Peter Barada <peter@the-baradas.com>
11148 * config/m68k/m68k.md: Add Coldfire FPU support.
11149 Define FP mode macro and associated attributes.
11150 Use it for float mode patterns.
11151 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11152 (LIBCALL_VALUE): Use m68k_libcall_value.
11153 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11154 (m68k_function_value): Ditto.
11155 (emit_move_sequence): Ditto.
11156 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11157 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11158 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11159 (MULTILIB_EXCEPTIONS): Ditto.
11160 * config/m68k/m68k.opt: Add mcfv4e.
11161 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11162 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11163 (m68k_output_function_prologue): Save ColdFire FPU registers.
11164 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11165 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11166 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11167 ColdFire FPU registers.
11168 (m68k_libcall_value, m68k_function_value): New functions.
11169 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11170 (LIBCALL_VALUE): Use m68k_libcall_value.
11171 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11172 (MASK_COLDFIRE): Add MASK_CFV4E.
11173 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11174 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11175 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11176 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11177 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11178 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11179 * doc/invoke.tex: Document -mcfv4e on m68k.
11181 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11183 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11186 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11189 * c-opts.c (c_common_handle_option): Don't include
11190 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11191 * doc/invoke.texi (C++ Dialect Options): Document that
11192 -Wnon-virtual-dtor is no longer included in -Wall.
11194 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11196 * gcov.c (print_version), gcov-dump.c (print_version),
11197 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11200 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11202 * df-scan.c (problem_SCAN): Added NULL reset function.
11203 (df_scan_reset_blocks): Added code to call reset block function
11204 (df_bb_refs_delete) Fixed comment.
11205 (df_insn_refs_delete): Made tolerant of deleting non existent info
11206 for dataflow problems that need to be reset.
11207 * df-core.c (df_set_blocks): Ditto.
11208 * df.h (struct df_problem): Added reset_fun.
11209 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11210 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11211 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11212 functions to clear out all references to def-use or use-def chains.
11214 2006-01-21 Ben Elliston <bje@au.ibm.com>
11216 * varasm.c (assemble_real): Initialise data array.
11218 2006-01-20 Paul Brook <paul@codesourcery.com>
11220 Merge from csl-arm-branch.
11221 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11222 * config/arm/arm.md (movdi): Force operands[1] to a register
11223 if we have a non-register source.
11224 (*arm_movdi, *movdf_soft_insn): Require that one of the
11225 operands be a register.
11226 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11227 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11229 2006-01-20 DJ Delorie <dj@redhat.com>
11231 * varasm.c (initializer_constant_valid_p): Allow pointers
11232 initialized from integer constants of lesser precision.
11233 (output_constant): Allow non-int-sized pointer modes to be
11234 initialized from integer constants.
11236 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11239 * cppdefault.h (struct default_include): Add multilib flag.
11240 * cppdefault.c (cpp_include_defaults): Set it.
11241 * c.opt (-imultilib): New option.
11242 * c-opts.c (imultilib): New.
11243 (c_common_handle_option): Handle -imultilib.
11244 (c_common_post_options): Likewise.
11245 * c-incpath.c (add_standard_paths, register_include_chains):
11247 * c-incpath.h (register_include_chains): Add extra parameter.
11248 * gcc.c (do_spec_1): Generate -imultilib option.
11249 (The Specs Language): Update %I description.
11250 (process_command): Update copyright notice.
11251 * doc/cppopts.texi (-imultilib): Document.
11252 * doc/invoke.texi (-imultilib): Include in option summary.
11253 (%I): Update specs documentation.
11255 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11257 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11259 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11261 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11264 2006-01-20 Richard Guenther <rguenther@suse.de>
11265 Steven Bosscher <stevenb.gcc@gmail.com>
11267 PR rtl-optimization/24626
11268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11269 EDGE_TRUE_VALUE if in RTL mode.
11272 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11273 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11275 2006-01-20 Dirk Mueller <dmueller@suse.com>
11278 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11279 instead of a special NOP marker.
11280 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11281 NOP marker handling.
11282 * c-common.h (empty_body_warning): Add forward declaration.
11283 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11284 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11286 2006-01-20 Paul Brook <paul@codesourcery.com>
11288 * Makefile.in (lang_checks): Keep going if mkdir fails.
11290 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11292 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11293 be able to clean out basic block when not necessary.
11294 (df_scan_free): Fixed to properly delete information if df is
11295 unused before calling df_finish.
11296 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11297 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11299 (df_bb_refs_delete): New function.
11300 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11301 * df-core.c (df_set_blocks): Added code to properly clean out
11302 unused blocks if they are not part of the blocks to consider.
11303 Added additional null check.
11304 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11305 be able to clean out basic block when not necessary
11306 * df.h (df_free_bb_function): Ditto.
11307 (df_bb_refs_delete): New function.
11308 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11309 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11310 basic block parameter to be able to clean out basic block when not
11312 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11313 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11314 Fixed to properly delete information if df is unused before
11317 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11319 PR rtl-optimization/25799
11320 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11321 Corrected confluence operator to remove bits from op2 before oring
11322 with op1 rather than removing bits from op1.
11323 (df_ru_transfer_function): Corrected test on wrong bitmap which
11324 caused infinite loop. Both of these problems were introduced in
11325 the dataflow rewrite.
11327 2006-01-19 DJ Delorie <dj@redhat.com>
11329 * reload1.c (find_reload_regs): Note the details of reload
11330 failures in the dump file.
11331 (spill_failure): Likewise.
11333 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11335 * loop-iv.c: Include df.h and hashtab.h.
11336 (enum iv_grd_result): New enum.
11337 (DF_REF_IV, DF_REF_IV_SET): New macros.
11338 (struct biv_entry): New.
11339 (df, bivs): New global variables.
11340 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11341 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11343 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11344 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11345 analyzed_for_bivness_p, record_biv): New functions.
11346 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11347 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11348 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11350 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11352 (iv_number_of_iterations): Use new interface to iv analysis.
11353 * loop-unroll.c: Do not include varray.h.
11354 (analyze_iv_to_split_insn): Use new interface to iv
11356 * loop-unswitch.c (may_unswitch_on): Ditto.
11357 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11359 (df_bb_modify): Realloc tables to the new index.
11360 (df_find_use): New function.
11361 * df.h (df_find_use): Declare.
11362 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11364 * cfgloop.h (struct rtx_iv): Remove analysed field.
11365 (iv_get_reaching_def): Removed.
11366 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11367 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11368 (loop-iv.o): Add df.h and hashtab.h dependency.
11369 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11371 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11374 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11376 (__floatundisf, __floatundidf): Likewise.
11377 * libgcc2.h (IS_IBM_EXTENDED): Define.
11379 2006-01-19 DJ Delorie <dj@redhat.com>
11381 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11383 2006-01-19 Paul Brook <paul@codesourcery.com>
11385 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11386 as nothrow when unwinding tables are disabled.
11388 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11391 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11392 of bit-field" when in system header.
11394 2006-01-19 DJ Delorie <dj@redhat.com>
11396 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11397 the 16 bit shift limit of the m16c.
11399 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11402 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11403 * config/i386/i386.c (output_set_got): Output the label if we have one
11404 for the TARGET_DEEP_BRANCH_PREDICTION case.
11406 2006-01-19 Jan Hubicka <jh@suse.cz>
11407 H.J. Lu <hongjiu.lu@intel.com>
11408 Evandro Menezes <evandro.menezes@amd.com>
11410 * invoke.texi (generic): Document
11412 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11413 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11414 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11415 (x86_use_incdec, x86_pad_returns): New variables
11416 (TARGET_CPU_DEFAULT_generic): New constant
11417 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11418 (enum processor_type): Add generic32 and generic64.
11419 * i386.md (cpu attribute): Add generic32/generic64
11420 (movhi splitter): Behave sanely when both partial_reg_dependency and
11421 partial_reg_stall are set.
11422 (K8 splitters): Enable for generic as well.
11423 * predicates.md (incdec_operand): Use TARGET_INCDEC
11424 (aligned_operand): Avoid memory mismatch stalls.
11425 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11426 * ppro.md: Enable for generic32
11427 * i386.c (generic64_cost, generic32_cost): New.
11428 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11429 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11430 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11431 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11432 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11433 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11434 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11435 x86_accumulate_outgoing_args, x86_prologue_using_move,
11436 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11437 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11438 Enable for generic.
11439 (x86_use_incdec, x86_pad_returns): New.
11440 (override_options): Add generic32 and generic64, translate "generic"
11441 to generic32/generic64 and "i686" to "generic32", refuse
11442 "generic32"/"generic64" as arch target.
11443 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11444 (ix86_reorg): Honor PAD_RETURNS.
11446 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11448 * tree-pretty-print.c (dump_generic_node): Handle
11449 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11450 * cgraph.c (cgraph_expand_queue): Rename from
11451 cgraph_analyze_queue. Update all users.
11452 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11453 cgraph_expand_queue.
11454 (cgraph_expand_all_functions): Likewise.
11455 (cgraph_finalize_pending_functions): Remove. Update callers.
11457 * tree.h (OMP_DIRECTIVE_P): Define.
11458 (OMP_PARALLEL_FN): Define.
11459 (OMP_PARALLEL_DATA_ARG): Define.
11460 (OMP_SECTIONS_SECTIONS): Define.
11461 * tree-pass.h (pass_expand_omp): Declare.
11462 * omp-low.c (struct omp_region): Declare.
11463 (struct omp_context): Remove fields 'parallel_type',
11464 'parallel_start_ix' and 'parallel_start_additional_args'.
11466 (struct omp_for_data): Rename from struct expand_omp_for_data.
11467 (omp_regions): New static variable.
11468 (root_omp_region): New static variable.
11469 (find_omp_clause): Make static.
11470 (is_in_combined_parallel_ctx): Remove.
11471 (is_combined_parallel): New.
11472 (extract_omp_for_data): Move earlier in the file.
11473 (workshare_safe_to_combine_p): New.
11474 (get_ws_args_for): New.
11475 (determine_parallel_type): Move earlier in the file.
11476 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11478 (omp_copy_decl): Likewise.
11479 (create_omp_child_function): Likewise.
11480 (lookup_omp_region): New.
11481 (dump_omp_region): New.
11482 (debug_omp_region): New.
11483 (debug_all_omp_regions): New.
11484 (new_omp_region): New.
11485 (scan_omp_parallel): If parallel_nesting_level > 1, the
11486 directive is nested within another parallel directive.
11487 Set OMP_PARALLEL_FN.
11488 (scan_omp_for): Do not try to handle combined parallel+for
11490 Remove FIXME comment.
11491 (scan_omp_nested): Remove.
11492 (scan_omp_1): Do not call scan_omp_nested when
11493 parallel_nesting_level is > 1.
11494 Do not change the DECL_CONTEXT of local variables found.
11495 (lookup_decl_in_outer_ctx): New.
11496 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11497 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11498 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11499 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11500 If CTX is nested, lookup VAR in the outer context when
11501 building copy assignment.
11502 (lower_send_clauses): Rename from expand_send_clauses.
11503 If CTX is nested, lookup VAR in the outer context when
11504 building copy assignments.
11505 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11506 If CTX is nested, lookup VAR in the outer context when
11507 building copy assignments.
11508 (expand_parallel_call): Rename from build_parallel_call.
11509 Handle combined parallel+workshare cases.
11510 Re-implement to emit code into the CFG.
11512 (expand_omp_parallel): Re-implement to emit code into the CFG.
11513 Call move_sese_region_to_fn to outline the sub-graph
11514 containing the parallel region.
11515 (expand_omp_for_1): Remove.
11516 (expand_omp_for_generic): Re-implement to emit code into the
11518 (expand_omp_for_static_nochunk): Likewise.
11519 (expand_omp_for_static_chunk): Likewise.
11520 (expand_omp_for): Likewise.
11521 (expand_omp_sections): Likewise.
11522 (remove_exit_barriers): New.
11523 (expand_omp_synch): New.
11525 (build_omp_regions_1): New.
11526 (build_omp_regions): New.
11527 (execute_expand_omp): New.
11528 (gate_expand_omp): New.
11529 (pass_expand_omp): Define.
11530 (lower_omp_sections): Rename from expand_omp_sections.
11531 Set OMP_SECTIONS_SECTIONS.
11532 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11533 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11534 (lower_omp_single): Rename from expand_omp_simple.
11535 (lower_omp_master): Rename from expand_omp_master.
11536 (lower_omp_ordered): Rename from expand_omp_ordered.
11537 (lower_omp_critical): Rename from expand_omp_critical.
11538 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11539 (lower_omp_for): Re-implement.
11540 (lower_omp_parallel): Re-implement.
11541 (lower_regimplify): Rename from expand_regimplify.
11542 (lower_omp_1): Rename from expand_omp_1.
11543 If there are syntax errors in the program, replace every
11544 OpenMP directive with NOP.
11545 Call lower_omp_* instead of expand_omp_*.
11546 (lower_omp): Rename from expand_omp.
11548 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11549 * tree-gimple.h (enum omp_parallel_type): Remove.
11550 (gimple_boolify): Declare extern.
11551 (find_omp_clause, determine_parallel_type): Remove.
11553 * gimple-low.c (lower_omp_directive): New.
11554 (lower_stmt): Call it.
11555 (record_vars_into): Move from ...
11556 (record_vars): ... here.
11557 Call record_vars_into with current_function_decl.
11559 * gimplify.c (struct gimplify_ctx): Remove fields
11560 combined_pre_p and combined_ctxp. Update users.
11561 (get_formal_tmp_var): Add documentation.
11562 (gimple_boolify): Make extern.
11563 (gimplify_expr_in_ctx): Remove. Update callers.
11564 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11565 will always be a BIND_EXPR.
11566 (gimplify_expr): Handle OMP_RETURN_EXPR.
11567 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11568 (OMP_PARALLEL): Add 3 operands.
11569 (OMP_SECTIONS): Add 1 operand.
11570 (OMP_RETURN_EXPR): Define.
11572 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11573 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11574 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11575 creating a circular free list.
11576 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11578 * tree-flow.h (move_sese_region_to_fn): Declare.
11579 (record_vars_into): Declare.
11580 * tree-cfg.c (make_omp_sections_edges): New.
11581 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11582 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11583 OMP_SECTIONS and OMP_SECTION.
11584 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11585 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11586 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11587 (gather_blocks_in_sese_region): New.
11588 (struct move_stmt_d): Declare.
11589 (move_stmt_r): New.
11590 (move_block_to_fn): New.
11591 (move_sese_region_to_fn): New.
11593 * passes.c (init_optimization_passes): Schedule
11594 pass_expand_omp after pass_init_datastructures.
11596 * tree-ssa-operands.c (get_expr_operands): Handle
11597 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11598 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11600 2006-01-19 Jeff Law <law@redhat.com>
11602 * tree-vrp.c (extract_range_from_assert): Refine the result range
11603 if the variable referenced by the ASSERT_EXPR has a range and
11604 either the tentative result range or the previous range is a
11607 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11609 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11611 2006-01-19 Jan Hubicka <jh@suse.cz>
11613 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11615 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11617 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11618 (expand_compound_operation, expand_field_assignment): Fail if the
11619 bit lengths of an extract operation are out of range.
11620 (make_extraction): Compute wanted_inner_mode based on the position
11621 and length of the extraction. Make it extraction_mode for non-constant
11622 positions, and do not modify offset in that case. When generating a
11623 new MEM, use a mode that can hold the extraction while keeping correct
11624 alignment. Remove code that supported MEMs wrapped by USEs.
11625 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11627 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11629 * config/s390/s390.md ("Y", "y"): New mode attribute.
11630 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11631 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11632 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11633 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11634 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11635 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11636 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11637 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11638 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11639 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11640 "addsi3", "subsi3"): Insn patterns removed.
11641 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11642 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11643 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11644 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11645 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11646 "*sub<mode>3_cconly2"): New insn patterns.
11647 ("addsi3", "subsi3"): New expanders.
11649 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11651 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11652 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11653 existing STMT_VINFO_VECTYPE if available.
11654 (vect_mark_relevant): Add special handling for stmts that are
11655 marked as STMT_VINFO_IN_PATTERN_P.
11656 (vect_analyze_loop): Call vect_pattern_recog.
11657 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11658 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11660 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11661 (vect_recog_func_ptr): New function-pointer type.
11662 * tree-vect-patterns.c: New file.
11663 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11664 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11665 (vect_pattern_recog_1): New functions.
11666 (vect_pattern_recog_funcs): New array of function pointers.
11668 * tree-vectorizer.h (ternary_op): New enum value.
11669 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11670 declaration. Revised documentation. Removed redundant dump prints.
11671 Removed redundant argument. Added support for reduction patterns.
11672 (vectorizable_reduction): Added support for reduction patterns.
11673 (vect_transform_stmt): Added support for patterns.
11675 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11676 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11677 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11678 (expand_widen_pattern_expr): New function.
11679 (init_optabs): Initialize new optabs udot_prod_optab,
11681 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11682 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11683 (expand_widen_pattern_expr): New function declaration.
11684 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11686 * tree-inline.c (estimate_num_insns_1): Added cases for new
11687 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11688 * tree-pretty-print.c (dump_generic_node): Likewise.
11689 (op_prio): Likewise.
11690 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11691 * tree-ssa-operands.c (get_expr_operands): Added case for
11693 * tree-vect-patterns.c (widened_name_p): New function.
11694 (vect_recog_dot_prod_pattern): Added function implementation.
11695 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11696 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11697 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11698 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11700 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11701 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11702 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11703 (init_optabs): Initialize new optabs widen_ssum_optab,
11705 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11706 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11707 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11708 use instead of type of def.
11709 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11710 function implementation.
11711 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11712 widen_ssumv8hi): New.
11714 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11717 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11720 * c-decl.c (add_flexible_array_elts_to_size): New function.
11721 (finish_decl): Use it.
11723 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11725 * diagnostic.h: Include options.h.
11726 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11727 dependancies for diagnostic.h.
11728 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11730 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11732 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11733 (ssa_ro_call_cache_valid): Ditto.
11734 * tree-ssa-alias.c (sort_tags_by_id): New function.
11735 (init_transitive_clobber_worklist): Ditto.
11736 (add_to_worklist): Ditto.
11737 (mark_aliases_call_clobbered): Ditto.
11738 (compute_tag_properties): Ditto.
11739 (set_initial_properties): Ditto.
11740 (compute_call_clobbered): Ditto.
11741 (compute_may_aliases): Call compute_call_clobbered and grouping.
11742 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11743 (compute_flow_insensitive_aliasing): Grouping now happens in our
11745 (setup_pointers_and_addressables): Remove clobbering related code.
11746 (add_may_alias): Ditto.
11747 (replace_may_alias): Ditto.
11748 (get_nmt_for): Ditto.
11749 (create_global_var):
11750 (is_escape_site): Return an escape_type enumeration.
11751 * tree-flow-inline.h (is_call_clobbered): Global var does not
11752 imply call clobbered.
11753 (mark_call_clobbered): Take a reason for marking this. Remove
11754 marking of globalness, and cache invalidation.
11755 (clear_call_clobbered): Remove cache invalidation code.
11756 * tree-dfa.c (dump_variable): If details is on, dump the reason
11758 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11760 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11761 (struct var_ann_d): Ditto.
11762 (enum escape_type): New.
11763 (mark_call_clobbered): Adjust prototype.
11764 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11765 are never call clobbered.
11766 Record reasons for escaping.
11767 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11768 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11769 (ssa_ro_call_cache_valid): Ditto.
11770 (clobbered_v_may_defs): Ditto.
11771 (clobbered_vuses): Ditto.
11772 (ro_call_vuses): Ditto.
11773 (clobber_stats): New.
11774 (init_ssa_operands): Zero out clobber stats.
11775 (fini_ssa_operands): Print out clobber stats.
11776 (get_call_expr_operands): Pass callee fndecl to
11777 add_call_read_ops).
11778 (add_call_clobber_ops): Remove use of cache.
11779 Add use of PURE_CONST information.
11780 (add_call_read_ops): Remove use of cache.
11781 Add use of static not_read information.
11783 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11785 Introduce TLS descriptors for i386 and x86_64.
11786 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11787 (TARGET_ANY_GNU_TLS): New macro.
11788 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11789 (struct machine_function): Add tls_descriptor_call_expanded_p.
11790 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11791 (ix86_current_function_calls_tls_descriptor): Likewise.
11792 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11793 (override_options): Introduce gnu2 tls dialect.
11794 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11796 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11798 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11799 (ix86_init_machine_status): Initialize new field.
11800 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11801 (ix86_tls_module_base): New.
11802 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11803 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11804 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11805 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11806 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11807 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11808 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11809 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11810 * config/i386/predicates.md (tls_modbase_operand): New.
11811 (tp_or_register_operand): New.
11813 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11815 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11816 (look_for_address_of): Ditto.
11817 (ipa_init): Walk the function decls.
11818 (static_execute): Don't set readonly on FUNCTION_DECL's.
11820 2006-01-18 Roger Sayle <roger@eyesopen.com>
11822 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11823 for shifts where the source and destination registers are different.
11825 2006-01-18 Paul Brook <paul@codesourcery.com>
11827 Merge from csl-arm-branch.
11828 2005-03-14 Julian Brown <julian@codesourcery.com>
11829 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11830 (aeabi_llsl): Likewise.
11831 (ashrdi3): Likewise.
11832 (aeabi_lasr): Likewise.
11833 (lshrdi3): Likewise.
11834 (aeabi_llsr): Likewise.
11835 2005-03-10 Julian Brown <julian@codesourcery.com>
11836 * config.gcc: Disable shared libgcc for SymbianOS.
11837 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11839 2006-01-18 DJ Delorie <dj@redhat.com>
11841 * c-pragma.c (handle_pragma_diagnostic): New.
11842 (init_pragma): Register it.
11843 * doc/extend.texi: Document it.
11845 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11846 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11847 (diagnostic_context): Add classify_diagnostic[].
11848 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11849 as errors if they're overridden to DK_WARNING.
11850 (diagnostic_initialize): Initialize classify_diagnostic[].
11851 (diagnostic_set_kind_override): New.
11852 (diagnostic_report_diagnostic): Check for kind changes.
11853 * opts.c (common_handle_option): Take lang_mask. Update callers.
11854 Handle OPT_Werror_.
11855 * common.opt (Werror=): New.
11856 * doc/invoke.texi: Document -Werror=*
11858 2006-01-18 Jeff Law <law@redhat.com>
11860 * tree-vrp.c (test_for_singularity): Correct test for new
11861 min limit. Use operand_equal_p rather than pointer equality
11862 for testing if new min/max values are equal.
11864 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11865 using range information until after propagation and folding.
11867 2006-01-18 Richard Henderson <rth@redhat.com>
11868 Aldy Hernandez <aldyh@redhat.com>
11869 Jakub Jelinek <jakub@redhat.com>
11870 Diego Novillo <dnovillo@redhat.com>
11872 * omp-low.c: New file.
11873 * c-omp.c: New file.
11875 2006-01-18 Richard Henderson <rth@redhat.com>
11876 Jakub Jelinek <jakub@redhat.com>
11877 Diego Novillo <dnovillo@redhat.com>
11879 * doc/invoke.texi: Document -fopenmp.
11880 * tree-dump.h (debug_function): Declare.
11881 * hooks.c (hook_bool_tree_bool_false): New function.
11882 (hook_tree_tree_null): Remove.
11883 (hook_tree_tree_tree_null): New.
11884 * hooks.h: Update to match.
11885 * tree-pretty-print.c (debug_tree_chain): New.
11886 (print_generic_expr): Handle TDF_CHAIN.
11887 (dump_generic_node): Handle BLOCK.
11888 Do not abort with incomplete SWITCH_EXPRs.
11889 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11890 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11891 print space after directive name.
11892 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11893 Handle OMP_MASTER and OMP_ORDERED.
11894 Handle printing of OMP_BODY just in one place, goto
11895 dump_omp_body in the rest of OMP_* nodes that have
11897 Don't handle clause nodes here. Update omp statements to
11898 use dump_omp_clauses.
11899 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11900 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11901 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11902 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11903 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11904 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11905 Adjust output for GOMP_PARALLEL.
11906 (dump_omp_clauses): New.
11907 (print_declaration): Dump DECL_VALUE_EXPR.
11908 (op_symbol_1): Split out of op_symbol.
11909 (dumping_stmts): Remove. Update all users.
11910 * cgraph.c (cgraph_analyze_queue): New.
11911 (cgraph_add_new_function): New.
11912 * cgraph.h (cgraph_analyze_queue): Declare.
11913 (cgraph_add_new_function): Declare.
11914 (cgraph_lower_function): Remove.
11915 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11916 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11917 and TYPE_P nodes in its default clause.
11918 (empty_body_p): New.
11919 (tree_range_check_failed): New.
11920 (build5_stat): New.
11921 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11922 OMP_CLAUSE_REDUCTION_MERGE,
11923 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11924 OMP_CLAUSE_PRIVATE_DEBUG,
11925 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11926 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11927 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11928 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11929 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11930 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11931 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11932 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11933 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11934 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11935 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11936 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11937 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11938 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11939 (TREE_RANGE_CHECK): New.
11940 (empty_body_p): Declare.
11941 (enum omp_clause_default_kind): New.
11942 (build_string_literal): Declare.
11943 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11944 (build5_stat, build5): Declare.
11945 * tree-pass.h (TDF_CHAIN): Define.
11946 * tree-pass.h (PROP_gimple_lomp): Define.
11947 (pass_lower_omp): Declare.
11948 * diagnostic.h (debug_tree_chain): Declare.
11949 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11951 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11952 * builtins.c (build_string_literal): Make extern.
11953 * gcc.c (include_spec_function): New.
11954 (static_spec_functions): Add it.
11955 (main): Move load of libgomp.spec ...
11956 (LINK_COMMAND_SPEC): ... here.
11957 (link_gomp_spec): New.
11958 (static_specs): Include it.
11959 (LINK_COMMAND_SPEC): Add link_gomp.
11960 (GOMP_SELF_SPECS): New.
11961 (driver_self_specs): Include it.
11962 (switch_matches): Don't mark inline.
11963 (main): Load libgomp.spec.
11964 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11965 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11966 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11967 * tree-gimple.h (enum omp_parallel): Declare.
11968 (determine_parallel_type): Declare.
11969 (omp_firstprivatize_variable): Declare.
11970 (omp_reduction_init): Declare.
11971 (diagnose_omp_structured_block_errors): Declare.
11972 (struct walk_stmt_info): Add want_return_expr.
11973 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11974 (find_omp_clause): Declare.
11975 (insert_field_into_struct): Declare.
11976 (struct walk_stmt_info): Move from tree-nested.c
11977 (walk_stmts): Declare.
11978 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11980 * cgraphunit.c (cgraph_lower_function): Make static.
11981 (cgraph_finalize_pending_functions): New.
11982 (cgraph_finalize_function): Call it.
11983 (cgraph_finalize_compilation_unit): Likewise.
11984 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11985 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11986 (BT_FN_UINT_UINT): New.
11987 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11988 DEF_FUNCTION_TYPE_VAR_4): Document.
11989 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11990 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11991 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11992 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11993 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11994 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11995 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11996 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11997 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11998 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11999 into separate files.
12000 (DEF_GOMP_BUILTIN): New.
12001 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12002 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12003 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12004 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12005 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12006 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12007 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12008 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12009 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12010 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12011 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12012 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12013 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12014 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12015 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12016 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12017 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12018 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12019 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12020 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12021 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12022 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12023 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12024 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12025 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12026 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12027 * sync-builtins.def: New file, moved from builtins.def.
12028 * omp-builtins.def: New file, moved from builtins.def.
12029 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12030 * gimple-low.c (lower_function_body): Clear data.
12031 (lower_stmt): Do not handle COMPOUND_EXPR.
12032 Remove call to print_node_brief.
12033 * c-tree.h (c_finish_omp_clauses): New prototype.
12034 (C_DECL_THREADPRIVATE_P): Define.
12035 (lookup_name_no_remap, c_omp_remap_private): Remove
12036 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12037 (check_for_loop_decls): Update decl.
12038 (lookup_name_no_remap, c_omp_remap_private): Declare.
12039 (build_indirect_ref, build_modify_expr, pushdecl,
12040 pushdecl_top_level): Move to c-common.h.
12041 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12042 before the switch, but just in the 2 places that need it.
12043 * c-decl.c (diagnose_mismatched_decls): Do not check for
12044 mismatched thread-local attributes when OLDDECL is marked
12045 threadprivate and NEWDECL has no thread-local attributes.
12046 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12047 (c_gimple_diagnostics_recursively): Rename from
12048 c_warn_unused_result_recursively. Invoke
12049 diagnose_omp_structured_block_errors.
12050 (check_for_loop_decls): Return a singular decl found.
12051 * langhooks.c (lhd_omp_predetermined_sharing): Return
12052 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12053 (lhd_omp_firstprivatize_type_sizes): New.
12054 (lhd_omp_assignment): New.
12055 (lhd_omp_predetermined_sharing): New.
12056 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12057 (struct lang_hooks_for_types): Add
12058 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12059 omp_predetermined_sharing, omp_disregard_value_expr,
12060 omp_private_debug_clause, omp_clause_default_ctor,
12061 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12062 (c_finish_omp_clauses): New.
12063 (c_finish_bc_stmt): Diagnose break within omp for.
12064 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12065 (build_unary_op): Return error_mark after reporting
12067 (build_modify_expr): Likewise.
12068 * gimplify.c: Include optabs.h and pointer-set.h.
12069 (enum gimplify_omp_var_data): Declare.
12070 (struct gimplify_omp_ctx): Declare.
12071 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12073 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12074 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12075 (splay_tree_compare_decl_uid): New.
12076 (new_omp_context): New.
12077 (delete_omp_context): New.
12078 (gimple_add_tmp_var): Call omp_add_variable.
12079 (gimplify_bind_expr): Likewise.
12080 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12081 true, disregard DECL_VALUE_EXPR on the decl if any.
12082 (gimplify_expr_in_ctx): New.
12083 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12084 omp_add_variable, omp_notice_variable, omp_is_private
12085 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12086 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12087 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12088 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12089 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12090 gimplify_omp_atomic): New.
12091 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12092 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12093 OMP_CRITICAL and OMP_ATOMIC.
12094 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12095 * c-pragma.h (enum pragma_kind): Add
12096 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12097 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12098 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12099 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12100 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12101 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12102 PRAGMA_OMP_THREADPRIVATE.
12103 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12104 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12105 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12106 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12107 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12108 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12109 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12110 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12111 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12112 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12113 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12114 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12115 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12117 (struct nesting_info): Add field_map,
12118 suppress_expansion, debug_var_chain.
12119 (create_nesting_tree): Initialize them.
12120 (lookup_field_for_decl): Use field_map.
12121 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12122 (convert_local_omp_clauses): New.
12123 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12124 (walk_body): Split out of walk_function.
12125 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12126 (convert_nonlocal_reference): Handle omp statements.
12127 (convert_local_reference): Likewise.
12128 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12129 (unnest_nesting_tree): New.
12130 (lower_nested_functions): Call it.
12131 (insert_field_into_struct): Make extern.
12132 (struct walk_stmt_info): Move to tree-gimple.h.
12133 (walk_stmts): Make extern.
12134 * omp-builtins.def: New file.
12135 * tree-iterator.c (expr_only): Clarify comment.
12136 * c-common.h (pushdecl_top_level, pushdecl,
12137 build_modify_expr, build_indirect_ref,
12138 c_finish_omp_master, c_finish_omp_critical,
12139 c_finish_omp_ordered, c_finish_omp_barrier,
12140 c_finish_omp_atomic, c_finish_omp_flush,
12141 c_finish_omp_for, c_split_parallel_clauses,
12142 omp_clause_default_kind, c_omp_sharing_predetermined,
12143 c_omp_remap_decl): Declare.
12144 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12145 (OBJS-common): Add omp-low.o.
12146 (c-omp.o, omp-low.o): Add.
12147 (gimplify.o): Add dependency on $(OPTABS_H).
12148 (GTFILES): Add omp-low.c.
12149 (gt-stringpool.h): Add.
12150 * tree-cfg.c (set_bb_for_stmt): Do not update the
12151 block-to-labels map if we are currently expanding to RTL.
12152 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12154 Handle IDENTIFIER_NODE.
12155 (tree_verify_flow_info): Do not ICE when emitting error
12156 messages about invalid labels.
12157 (dump_function_to_file): Reset CFUN before emitting the body
12159 (debug_function): New.
12160 * passes.c (init_optimization_passes): Schedule
12162 * langhooks-def.h (lhd_omp_predetermined_sharing,
12163 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12165 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12166 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12167 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12168 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12169 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12170 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12171 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12172 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12173 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12174 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12175 (LANG_HOOK_DECLS): Use them.
12177 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12178 Richard Henderson <rth@redhat.com>
12179 Jakub Jelinek <jakub@redhat.com>
12180 Diego Novillo <dnovillo@redhat.com>
12182 * c-parser.c (pragma_omp_clause): Define.
12183 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12184 (c_parser_compound_statement): Likewise.
12185 (c_parser_statement): Likewise.
12186 (c_parser_pragma): Handle omp pragmas.
12187 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12188 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12189 (c_parser_omp_clause_name, check_no_duplicate_clause,
12190 c_parser_omp_variable_list,
12191 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12192 c_parser_omp_clause_copyprivate,
12193 c_parser_omp_clause_default,
12194 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12195 c_parser_omp_clause_lastprivate,
12196 c_parser_omp_clause_nowait,
12197 c_parser_omp_clause_num_threads,
12198 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12199 c_parser_omp_clause_reduction,
12200 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12201 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12202 c_parser_omp_atomic, c_parser_omp_barrier,
12203 c_parser_omp_critical, c_parser_omp_flush,
12204 c_parser_omp_for_loop, c_parser_omp_for,
12205 c_parser_omp_master, c_parser_omp_ordered,
12206 c_parser_omp_sections_scope, c_parser_omp_sections,
12207 c_parser_omp_parallel, c_parser_omp_single,
12208 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12209 * c-pragma.c (init_pragma): Do omp pragma registration here.
12210 * c.opt (fopenmp): New flag.
12212 2006-01-18 Eric Christopher <echristo@apple.com>
12214 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12215 * config/darwin.h (GOMP_SELF_SPECS): Define.
12217 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12219 * rtl.h: Remove the prototype for reg_alloc.
12221 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12224 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12225 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12226 sjlj and dwarf2 exception handling.
12227 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12228 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12229 * pa/pa.c (function_value): Treat complex and vector types as
12231 (function_arg): Likewise. Only pass scalar floats in the floating
12232 point argument registers.
12233 * pa/t-slibgcc-dwarf-ver: New file.
12234 * pa/t-slibgcc-sjlj-ver: New file.
12235 * pa/t-slibgcc-elf-ver: Delete file.
12237 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12239 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12240 unlikely_test_section_p test.
12242 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12244 * mode-switching.c (optimize_mode_switching): Make it static.
12245 * basic-block.h: Remove the prototype for
12246 optimize_mode_switching.
12248 * modulo-sched.c (sms_schedule): Make it static.
12249 * rtl.h: Remove the prototype for sms_schedule.
12251 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12252 * rtl.h: Remove the prototype for gcse_after_reload_main.
12254 * reg-stack.c (reg_to_stack): Make it static.
12255 * rtl.h: Remove the prototype for reg_to_stack.
12257 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12259 * rtl.h: Remove the prototypes for regrename_optimize and
12260 copyprop_hardreg_forward.
12262 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12264 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12265 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12266 Test against the appropriate null constant for the mode.
12267 If 'fixup_overlap' is true, swap the operands if they overlap.
12268 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12269 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12270 alpha_split_tmode_pair and adjust for above change.
12271 * config/alpha/alpha.md (movtf_internal): Adjust call to
12272 alpha_split_tfmode_pair and rely on it to swap the operands.
12273 (movti_internal): New insn and post-reload splitter.
12274 (movti): New expander.
12276 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12278 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12281 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12283 * rtlanal.c (global_reg_mentioned_p_1,
12284 global_reg_mentioned_p): Remove.
12285 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12287 * flow.c (initialize_uninitialized_subregs): Make it static.
12288 * rtl.h: Remove the prototype for
12289 initialize_uninitialized_subregs.
12291 * function.c (instantiate_virtual_regs): Make it static.
12292 * function.h: Remove the prototype for
12293 instantiate_virtual_regs.
12295 * regmove.c (regmove_optimize, combine_stack_adjustments):
12297 * rtl.h: Remove the prototypes for regmove_optimize and
12298 combine_stack_adjustments.
12300 2006-01-17 Roger Sayle <roger@eyesopen.com>
12302 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12303 (size_cost): Encode costs in bytes so that a reg-reg addition is
12304 equivalent to COSTS_N_INSNS(1).
12305 (override_options): Use the size_cost.branch_cost as the default
12306 ix86_branch_cost when optimizing for size.
12308 2006-01-18 Ben Elliston <bje@au.ibm.com>
12310 * Makefile.in (D32PBIT_FUNCS): New.
12311 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12312 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12313 D64PBIT_FUNCS and D128PBIT_FUNCS.
12314 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12315 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12317 (decnumber_dep): Define.
12318 * doc/libgcc.texi (Decimal float library routines): New node.
12319 * config/dfp-bit.h, config/dfp-bit.c: New files.
12321 2006-01-18 Ben Elliston <bje@au.ibm.com>
12323 * expr.c (emit_move_change_mode): Always adjust addresses, not
12324 just during reload. Copy replacements only during reload.
12325 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12326 emit_move_via_integer.
12328 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12330 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12331 instead of $(srcdir) and ${srcdir}.
12333 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12336 PR middle-end/11135
12337 * arm.h (struct machine_function): Add pic_reg.
12338 * arm.c (arm_pic_register): Make unsigned.
12339 (arm_override_options): Only set arm_pic_register if
12340 TARGET_SINGLE_PIC_BASE.
12341 (use_return_insn): Only test for a pic register if it is fixed.
12342 (arm_compute_save_reg0_reg12_mask): Likewise.
12343 (thumb_compute_save_reg_mask): Likewise.
12344 (legitimate_pic_operand): Factor out some known invariants.
12345 (legitimize_pic_address): If we don't have a fixed pic register,
12346 then set up a pseudo in the function entry sequence. Handle the
12347 pic base being in a pseudo.
12348 (arm_load_pic_register): Handle the pic register being in a pseudo.
12349 (arm_expand_prologue): Only set up the pic register if it is fixed.
12350 (thumb_expand_prologue): Likewise.
12351 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12352 (pic_load_addr_based_insn): Likewise.
12353 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12356 2006-01-18 Ben Elliston <bje@au.ibm.com>
12358 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12359 decimal float modes for all floating point registers.
12361 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12362 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12364 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12367 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12368 even when the pointer is not NULL.
12370 2006-01-16 Ian Lance Taylor <ian@airs.com>
12372 * common.opt (ftoplevel-reorder): New option.
12373 * cgraph.c (cgraph_asm_nodes): New global variable.
12374 (cgraph_asm_last_node): New static variable.
12375 (cgraph_order): New global variable.
12376 (cgraph_create_node): Set new order field.
12377 (cgraph_varpool_node): Likewise.
12378 (decide_is_variable_needed): Return true if not
12379 flag_toplevel_reorder.
12380 (cgraph_add_asm_node): New function.
12381 * cgraph.h (struct cgraph_node): Add order field.
12382 (struct cgraph_varpool_node): Add order field.
12383 (struct cgraph_asm_node): Define.
12384 (cgraph_asm_nodes, cgraph_order): Declare.
12385 (cgraph_add_asm_node): Declare.
12386 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12388 (cgraph_varpool_assemble_pending_decls): Call it.
12389 (cgraph_output_pending_asms): New static function.
12390 (cgraph_finalize_compilation_unit): Call it.
12391 (struct cgraph_order_sort): Define.
12392 (cgraph_output_in_order): New static function.
12393 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12394 !flag_toplevel_reorder case.
12395 * c-parser.c: Include "cgraph.h".
12396 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12398 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12399 than -fno-unit-at-a-time.
12400 * doc/invoke.texi (Option Summary): Mention
12401 -fno-toplevel-reorder.
12402 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12403 -funit-at-a-time documentation.
12405 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12406 Kazu Hirata <kazu@codesourcery.com>
12408 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12410 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12412 * Makefile.in (FUNCTION_H): New. Use it instead of
12413 function.h throughout the file.
12414 * function.h: Include tree.h.
12416 2006-01-17 Ben Elliston <bje@au.ibm.com>
12418 * recog.c: Separate some functions with whitespace.
12420 2006-01-16 Richard Henderson <rth@redhat.com>
12422 Merge from gomp branch:
12423 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12424 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12425 and rename from struct inline_data. Rename callee* to dst*;
12426 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12427 transform_new_cfg, transform_return_to_modify, and
12428 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12430 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12431 (copy_decl_for_dup): Remove.
12432 * tree-inline.c (struct inline_data): Move to header.
12433 (insert_decl_map): Export.
12434 (remap_decl): Update for member name changes. Use copy_decl hook.
12435 Allow for replacement to be a non-decl. Remove dead code.
12436 (remap_type_1): Check for existing mapping.
12437 (remap_type): Export.
12438 (remap_decls): Update for member name changes.
12439 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12440 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12441 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12442 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12443 (tree_function_versioning, build_duplicate_type): Likewise.
12444 (copy_body_r): Likewise. Export.
12445 (copy_decl_for_dup): Split into ...
12446 (copy_decl_for_dup_finish, copy_decl_to_var,
12447 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12448 (replace_ref_tree, inlining_p): Remove.
12450 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12452 * ifcvt.c (if_convert): Make it static.
12453 * rtl.h: Remove the prototype for if_convert.
12455 * local-alloc.c (local_alloc): Make it static.
12456 * rtl.h: Remove the prototype for local_alloc.
12458 * loop.c (loop_optimize): Make it static.
12459 * cfgloop.h: Remove the prototype for loop_optimize.
12462 2006-01-16 DJ Delorie <dj@redhat.com>
12464 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12467 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12469 * pa.md: Disparage copies between general and floating-point registers
12470 in 32-bit move patterns.
12472 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12475 * Makefile.in (check-%): Depend on site.exp instead of
12476 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12479 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12481 * global.c (global_alloc): Make it static.
12482 * rtl.h: Remove the prototype for global_alloc.
12484 2006-01-16 Richard Guenther <rguenther@suse.de>
12486 * tree-ssa-alias.c (struct used_part): Add write_only field.
12487 (get_or_create_used_part_for): Initialize it to true.
12488 (create_overlap_variables_for): Don't create structure variables
12489 for structures that only are written to.
12490 (find_used_portions): Handle MODIFY_EXPR to track whether a
12491 structure is only written to.
12493 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12495 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12497 * basic-block.h: Remove the prototype for
12498 partition_hot_cold_basic_blocks.
12500 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12502 * cppspec.c (lang_specific_spec_functions): Remove.
12503 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12504 * gcc.h (lang_specific_spec_functions): Remove.
12505 * gccspec.c (lang_specific_spec_functions): Remove.
12507 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12509 * combine.c (record_value_for_reg): Invalidate registers
12511 (record_dead_and_set_regs_1): Likewise, by passing them to
12512 record_value_for_reg.
12513 (record_dead_and_set_regs): Invalidate stores made by a
12514 call. We do not combine across a call, but we still
12515 relied on equivalences.
12517 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12519 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12520 vrp_int_const_binop returning non-constant nodes.
12522 2006-01-16 Paul Brook <paul@codesourcery.com>
12524 * config/m68k/m68k.c (output_move_const_into_data_reg):
12525 Output correct mnemonic for mvz and mvs.
12527 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12529 * rtl-factoring.c: Add sequence abstraction algorithm.
12530 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12531 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12533 (block_has_preserve_label): New function.
12534 * common.opt: Register new pass.
12535 * Makefile.in: Ditto.
12537 * timevar.def: Ditto.
12538 * tree-pass.h: Ditto.
12539 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12540 * rtl.h (make_jump_insn_raw): Add forward decl.
12541 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12543 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12544 Roger Sayle <roger@eyesopen.com>
12546 * fold-const.c (fold_minmax): New static function.
12547 (fold_binary) <MIN_EXPR>: Call it.
12548 <MAX_EXPR>: Likewise.
12549 * stor-layout.c (place_field): Use DECL_SIZE consistently
12550 in the computation of the new record size.
12552 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12554 * cse.c (cse_condition_code_reg): Make it static.
12555 * rtl.h: Remove the prototype for cse_condition_code_reg.
12557 * combine.c (combine_instructions): Make it static.
12558 * rtl.h: Remove the prototype for combine_instructions.
12560 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12563 * tree.c (get_file_function_name_long): Concatenate the first global
12564 object name with a string derived from the input filename of the object
12567 2006-01-16 Ben Elliston <bje@au.ibm.com>
12569 * config/i386/winnt-stubs.c: Update FSF address.
12570 * config/xtensa/ieee754-df.S: Ditto.
12571 * config/xtensa/ieee754-sf.S: Ditto.
12573 2006-01-14 Ian Lance Taylor <ian@airs.com>
12575 * ifcvt.c (noce_init_if_info): New static function, broken out of
12576 noce_process_if_block.
12577 (noce_process_if_block): Call noce_init_if_info.
12578 (check_cond_move_block): New static function.
12579 (cond_move_process_if_block): New static function.
12580 (process_if_block): Call cond_move_process_if_block.
12582 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12584 * cselib.c (hash_table): Rename to cselib_hash_table.
12585 (cselib_clear_table, discard_useless_values,
12586 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12587 cselib_init, cselib_finish): Adjust uses of hash_table.
12589 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12591 PR tree-optimization/25485
12592 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12593 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12594 is known to be false and true, respectively.
12596 2006-01-14 Richard Guenther <rguenther@suse.de>
12598 PR tree-optimization/22548
12599 PR tree-optimization/22555
12600 PR tree-optimization/22501
12601 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12602 * params.def (salias-max-array-elements): New parameter.
12603 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12604 * doc/invoke.texi (salias-max-array-elements): Document.
12605 * tree-flow-inline.h (var_can_have_subvars): We also handle
12607 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12609 * tree-ssa-structalias.c (params.h): Include.
12610 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12611 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12612 (get_constraint_for): For ADDR_EXPR operating on something
12613 containing an ARRAY_REF, add all subvars to the solution.
12614 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12615 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12616 for creating MUST_DEFs.
12617 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12619 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12621 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12623 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12624 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12625 number_of_iterations_le): New functions.
12626 (number_of_iterations_special): Removed.
12627 (number_of_iterations_exit): Do not use number_of_iterations_special.
12628 * tree.c (unsigned_type_for): Always return integer type.
12630 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12631 Richard Guenther <rguenther@suse.de>
12633 PR rtl-optimization/24257
12634 * gcse.c (find_moveable_store): Only consider a store movable
12635 when the SET_SRC of the insn can be assigned to a register.
12637 2006-01-14 Ian Lance Taylor <ian@airs.com>
12639 * tree.c (tree_not_class_check_failed): New function.
12640 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12641 (tree_not_class_check_failed): Declare.
12643 2006-01-13 Ian Lance Taylor <ian@airs.com>
12645 * reload1.c (do_output_reload): Add assertion rejecting a
12648 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12650 * combine.c (struct reg_stat): Add new fields truncation_label and
12652 (record_value_for_reg): Reset truncated_to_mode.
12653 (record_truncated_value): New function.
12654 (check_promoted_subreg): Call it. Rename to check_conversions.
12655 (combine_instructions): Rename check_promoted_subreg to
12657 (reg_truncated_to_mode): New function.
12658 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12659 (gen_lowpart_or_truncate): New function.
12660 (force_to_mode): Use it instead of gen_lowpart.
12662 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12664 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12665 VAR is a tag, not its type tag.
12667 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12669 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12670 alternatives to match style of other entries.
12671 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12673 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12675 PR tree-optimization/25771
12676 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12679 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12682 * tree-inline.c (declare_return_variable): If the return variable
12683 was marked as a non gimple complex, set the return slot variable
12684 to be a non gimple comple variable.
12686 2006-01-13 Richard Guenther <rguenther@suse.de>
12688 * builtins.c (expand_builtin_sincos): New function.
12689 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12691 (expand_builtin): Expand sincos using expand_builtin_sincos.
12693 2006-01-12 DJ Delorie <dj@redhat.com>
12695 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12696 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12697 so that constant shifts can be split.
12698 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12699 (m32c_valid_pointer_mode): Make static.
12700 (shift_gen_func_for): New.
12701 (m32c_prepare_shift): Use it. Split large const shifts into
12703 * config/m32c/predicates.md (shiftcount_operand): Allow more
12705 (longshiftcount_operand): New.
12706 * doc/md.texi (Machine Constraints): Document In6.
12708 2006-01-13 Ben Elliston <bje@au.ibm.com>
12710 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12711 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12714 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12716 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12717 to try to avoid clobbering pieces of structures when we know
12718 something about the whole structure.
12719 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12721 2006-01-13 Ben Elliston <bje@au.ibm.com>
12723 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12724 return in memory, as this is no limitation is no longer present.
12726 2006-01-12 DJ Delorie <dj@redhat.com>
12728 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12729 mova with fb, and for fb+0 -> An.
12731 * config/m32c/mov.md (peephole2): Fix enabling logic.
12733 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12734 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12735 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12736 FINI_ARRAY_SECTION_ASM_OP): Define.
12738 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12740 (m32c_legitimize_reload_address): New logic to reload FB to An.
12741 (m32c_output_reg_push): Add newline.
12742 (m32c_output_reg_pop): Likewise.
12744 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12746 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12748 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12750 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12752 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12754 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12757 2006-01-11 Ben Elliston <bje@au.ibm.com>
12759 * rtlanal.c (find_reg_note): Assert insn is not null.
12761 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12763 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12766 2006-01-11 Jeff Law <law@redhat.com>
12768 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12770 (mark_threaded_blocks, register_jump_thread): New functions.
12771 (thread_through_all_blocks): Remove unwanted argument. No
12772 longer rely on e->aux to communicate thread target info.
12773 Call mark_threaded_blocks. Release the threaded_blocks
12774 bitmap and threaded_edges vector when complete.
12775 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12776 (threaded_blocks): Remove.
12777 (tree_ssa_dominator_optimize): Remove initialization and
12778 finalization of threaded_blocks. Simplify call to
12779 thread_through_all_blocks.
12780 (thread_across_edge): Call register_jump_thread rather than
12781 storing thread information into e->aux.
12782 (free_all_edge_infos): Simplify now that e->aux is no longer
12783 used to communicate with thread_through_all_blocks.
12784 * tree-flow.h (thread_through_all_blocks): Update prototype.
12785 (register_jump_thread): Prototype.
12787 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12789 * df-core.c (df_compact_blocks, df_bb_replace): Use
12790 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12792 2006-01-11 Richard Guenther <rguenther@suse.de>
12794 PR tree-optimization/25734
12795 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12796 stop propagation after successful propagation to the LHS.
12798 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12800 * basic-block.h (control_flow_graph): Change the type of
12801 x_basic_block_info to VEC(basic_block,gc) *.
12802 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12804 (SET_BASIC_BLOCK): New.
12805 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12806 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12807 * cfgbuild.c (find_basic_blocks): Likewise.
12808 * cfglayout.c (fixup_reorder_chain): Likewise.
12809 * cfgrtl.c (create_basic_block_structure,
12810 rtl_create_basic_block): Likewise.
12811 * ifcvt.c (find_if_case_1): Likewise.
12812 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12815 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12817 * Makefile.in: Removed rotted odf.c entry.
12819 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12822 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12823 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12824 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12825 output pattern modifier, not %e.
12826 * config/cris/cris.c (cris_op_str): Update comment about pattern
12828 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12829 before falling through into...
12830 <case 'E'>: Redefined from old 'e' case.
12832 2006-01-11 Jan Hubicka <jh@suse.cz>
12835 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12837 2006-01-11 Jan Hubicka <jh@suse.cz>
12839 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12840 * i386.c (x86_decompose_lea): Kill.
12841 (ix86_rtx_costs): Kill.
12843 2006-01-11 Jan Hubicka <jh@suse.cz>
12845 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12846 * cgraph.h (cgraph_node): Add inline_decl.
12847 (cgraph_insert_node_to_hashtable): Declare.
12848 (save_inline_function_body): Declare.
12849 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12851 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12852 (cgraph_function_versioning): Update call of tree_function_versioning.
12853 (save_inline_function_body): New function.
12854 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12855 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12856 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12857 (cgraph_default_inline_p): Likewise.
12858 (cgraph_decide_inlining_incrementally): Likewise.
12859 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12860 (copy_bb): Kill saving; do updating of clones.
12861 (copy_cfg_body): Kill saving.
12862 (initialize_inlined-parameters): Likewise.
12863 (expand_call_inline): Likewise.
12865 (tree_function_versioning): New parameter "update_clones".
12866 (inlining_p): Kill saving.
12867 * tree-inline.h (tree_function_versioning): Update prototype.
12868 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12871 2006-01-11 Ian Lance Taylor <ian@airs.com>
12873 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12874 Allow undoing set of machine mode.
12875 (do_SUBST): Use enums instead of is_int.
12876 (do_SUBST_MODE): New function.
12877 (SUBST_MODE): New macro.
12878 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12879 reg and trying to replace reg_regno_rtx with a new register.
12880 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12881 (simplify_set): Use SUBST_MODE.
12882 (distribute_notes): Remove code that tried to update reg notes
12883 for regno_reg_rtx changes.
12885 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12887 PR tree-optimization/23109
12888 PR tree-optimization/23948
12889 PR tree-optimization/24123
12891 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12892 * tree-cfg.c (single_noncomplex_succ): New.
12893 * tree-flow.h (single_noncomplex_succ): Declare it.
12894 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12895 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12896 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12897 insert_bb, register_division_in, insert_reciprocals,
12898 replace_reciprocal, free_bb): New.
12899 (execute_cse_reciprocals_1): Rewritten.
12900 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12901 Do not commit any edge insertion. Always compute dominators and
12902 create the allocation pool.
12903 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12904 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12905 * targhooks.c (default_min_divistions_for_recip_mul): New.
12906 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12907 * passes.c (init_optimization_passes): Run recip after tree loop
12909 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12911 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12912 Kenneth Zadeck <zadeck@naturalbridge.com>
12914 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12915 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12916 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12917 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12918 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12919 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12920 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12921 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12922 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12923 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12924 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12925 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12926 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12927 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12928 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12929 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12930 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12931 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12932 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12933 DF_SCAN_POST_ALLOC): New macros.
12934 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12935 df_free_bb_function, df_local_compute_function, df_init_function,
12936 df_dataflow_function, df_confluence_function_0,
12937 df_confluence_function_n, df_transfer_function,
12938 df_finalizer_function, df_free_function, df_dump_problem_function,
12939 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12940 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12941 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12942 df_urec_bb_info, ) New types.
12943 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12945 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12946 df_analyze_simple_change_some_blocks,
12947 df_analyze_simple_change_one_block, df_compact_blocks,
12948 df_bb_replace, df_bb_regno_last_use_find,
12949 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12950 df_insn_regno_def_p, df_find_def, df_find_use,
12951 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12952 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12953 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12954 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12955 debug_df_chain, df_get_dependent_problem, df_chain_create,
12956 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12957 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12958 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12959 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12960 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12961 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12962 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12963 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12964 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12965 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12966 df_reorganize_refs, df_set_state, df_hard_reg_init,
12967 df_read_modify_subreg_p) New public functions.
12968 * df-core.c: The core dataflow solver and glue routines for rtl
12970 (df_init, df_add_problem, df_set_blocks, df_finish,
12971 df_hybrid_search_forward, df_hybrid_search_backward,
12972 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12973 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12974 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12975 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12976 df_reg_defined, df_find_use, df_reg_used, df_dump,
12977 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12978 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12979 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12980 debug_df_useno, reset_df_after_reload): New functions.
12981 * df-scan.c: The scanning fuctions, once in df.c, completely
12982 rewritten so that they now fully model the functionality of
12983 register usage at the backend.
12984 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12985 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12986 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12987 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12988 df_get_artificial_defs, df_get_artificial_uses,
12989 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12990 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12991 df_refs_delete, df_reorganize_refs, df_set_state,
12992 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12993 df_def_record_1, df_defs_record, df_uses_record,
12994 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12995 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12996 df_record_exit_block_uses, df_hard_reg_init): New functions.
12998 * df-problems.c: Seven concrete dataflow problems that use the
12999 scanning in df-scan.c and are solved by the engine in df-core.c.
13000 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13001 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13002 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13003 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13004 df_ru_free_bb_info, df_ru_alloc,
13005 df_ru_bb_local_compute_process_def,
13006 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13007 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13008 df_ru_transfer_function, df_ru_free, df_ru_dump,
13009 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13010 df_rd_free_bb_info, df_rd_alloc,
13011 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13012 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13013 df_rd_transfer_function, df_rd_free, df_rd_dump,
13014 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13015 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13016 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13017 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13018 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13019 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13020 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13021 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13022 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13023 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13024 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13025 df_urec_mark_reg_use_for_earlyclobber,
13026 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13027 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13028 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13029 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13030 df_chain_create_bb_process_use, df_chain_create_bb,
13031 df_chain_finalize, df_chain_free, df_chains_dump,
13032 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13033 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13034 df_reg_lifetime): New functions.
13035 * df.c: Deleted file.
13036 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13037 consistent with new df api.
13038 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13039 rest_of_handle_sms): Ditto.
13040 * web.c (unionfind_union, union_defs, entry_register, web_main):
13042 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13043 invariant_expr_equal_p, find_defs, check_dependencies,
13044 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13045 free_inv_motion_data, move_loop_invariants): Ditto.
13046 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13047 Update dependencies.
13048 (odf.c): Added defective entry that was deleted later in day.
13049 * sched-deps.c (sched_analyze_1): Ditto.
13051 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13053 * tree-ssa-operands.c (get_expr_operands): Record addressable
13054 variables directly. Do not call add_stmt_operands for CONST_DECLs
13056 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13057 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13059 2006-01-11 Ben Elliston <bje@au.ibm.com>
13061 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13062 function returns true in the positive case.
13064 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13067 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13068 for SI, DI, SF and DF modes. Add alternatives to copy between
13069 general and floating point registers to the 32-bit patterns.
13070 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13071 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13072 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13073 generating 64-bit code.
13074 * config/pa/pa.c (output_move_double): Handle copies between general
13075 and floating registers.
13077 2006-01-10 Stuart Hastings <stuart@apple.com>
13079 * config/i386/i386.md (set_got): Update.
13080 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13081 (builtin_setjmp_receiver): Mach-O support.
13082 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13083 (GOT_SYMBOL_NAME): Define.
13084 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13085 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13086 * config/i386/i386.c (override_options): Revise for Darwin.
13087 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13088 support. (darwin_x86_file_end): New. (output_set_got): Add label
13089 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13090 * config/i386/i386-protos.h (output_set_got): Likewise.
13091 * config/darwin.c (machopic_legitimize_pic_address): Update
13094 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13096 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13097 when MODE isn't BLKmode.
13099 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13101 PR rtl-optimization/25367
13102 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13104 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13107 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13108 for a negative bound.
13110 2006-01-10 Richard Guenther <rguenther@suse.de>
13112 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13113 Never override with anything constraint.
13115 2006-01-10 Jan Beulich <jbeulich@novell.com>
13117 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13118 256 bits when optimize_size.
13120 2006-01-10 Jan Beulich <jbeulich@novell.com>
13122 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13124 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13125 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13128 2006-01-10 Ben Elliston <bje@au.ibm.com>
13130 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13132 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13133 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13134 (USE_FP_FOR_ARG): Reject decimal float modes.
13135 (function_arg_advance): Likewise.
13136 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13137 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13138 point types in AltiVec vectors.
13139 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13140 (rs6000_libcall_value): Likewise.
13142 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13144 * config/xtensa/ieee754-df.S: New file.
13145 * config/xtensa/ieee754-sf.S: New file.
13146 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13147 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13148 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13150 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13152 * config/sh/predicates.md (binary_float_operator,
13153 binary_logical_operator, commutative_float_operator,
13154 equality_comparison_operator, greater_comparison_operator,
13155 less_comparison_operator, logical_operator,
13156 noncommutative_float_operator, shift_operator,
13157 symbol_ref_operand, unary_float_operator): Remove redundant
13160 2006-01-09 Jeff Law <law@redhat.com>
13162 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13163 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13164 now unused arguments. Callers updated.
13165 (eliminate_redundant_computations): Remove now unused arguments,
13167 (local_fold): Remove, no longer used.
13168 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13170 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13171 (simplify_cond): New function.
13172 (forward_propagate_into_cond): Call simplify_cond.
13174 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13176 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13177 (*vec_extractv2di_1_sse): New.
13179 2006-01-09 Ben Elliston <bje@au.ibm.com>
13181 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13183 2006-01-08 Richard Guenther <rguenther@suse.de>
13185 * tree-ssa-structalias.c (get_constraint_for): Remove
13186 anyoffset argument.
13187 (get_constraint_for_component_ref): Likewise.
13188 (do_deref): Likewise.
13189 (get_constraint_for): Likewise.
13190 (do_structure_copy): Likewise.
13191 (handle_ptr_arith): Likewise.
13192 (find_func_aliases): Likewise. Remove unused need_anyoffset
13195 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13196 Kaz Kojima <kkojima@gcc.gnu.org>
13198 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13199 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13200 (EXTRA_CONSTRAINT_C16): Remove.
13201 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13202 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13203 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13204 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13205 constants of SHmedia. Handle nested constant expressions of
13207 (andcosts): Fix the costs for SHmedia constants.
13208 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13209 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13210 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13211 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13212 (movv4hi_i, movv2si_i): Likewise.
13213 (movsi_const): Adjust the second operand of ior so to match with
13214 the Csu constraint.
13215 (movdi_const, movdi_const_32bit): Likewise.
13216 (movdi_const_16bit+1): Don't sign-extend LOW.
13217 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13219 (*double_shori): Fix the split condition. Use GEN_INT instead
13220 of get_int_mode calls. Mask lower 16-bit of the argument of
13222 (sym2GOTPLT): Remove.
13223 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13225 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13226 instead of EXTRA_CONSTRAINT_C16.
13228 2006-01-07 Ian Lance Taylor <ian@airs.com>
13229 David Edelsohn <edelsohn@gnu.org>
13231 PR rtl-optimization/25662
13232 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13233 for constant operands instead of simplify_gen_binary.
13234 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13235 after trying simplify_binary_operation
13237 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13239 * tree.c (iterative_hash_expr): Hash decls based on UID.
13241 2006-01-06 Eric Christopher <echristo@apple.com>
13243 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13244 (TARGET_UNWIND_EMIT): Fix spelling.
13245 * target.h (gcc_target): Add except_table_label.
13246 * except.c (output_function_exception_table): Use.
13247 * varasm.c (default_emit_except_table_label): New.
13248 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13250 (asm_out): Add here.
13251 * output.h (default_emit_except_table_label): Prototype.
13252 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13253 * config/darwin.c (darwin_emit_except_table_label): Define.
13254 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13256 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13258 PR tree-optimization/18527
13259 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13260 number_of_iterations_special, number_of_iterations_exit):
13261 Move base and step of an iv to a single structure. Add
13262 no_overflow flag, and use it in # of iterations analysis.
13263 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13264 folded_casts argument.
13265 (simple_iv): Pass base and step in a structure. Set no_overflow
13267 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13268 Evaluate expensiveness of computing # of iterations instead of
13269 the final expression.
13270 * tree-scalar-evolution.h (affine_iv): New structure.
13271 (simple_iv): Declaration changed.
13272 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13273 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13274 find_givs_in_stmt): Changed due to simple_iv change.
13276 2006-01-06 Jeff Law <law@redhat.com>
13279 * tree-cfg.c (bsi_replace): Rename final argument from
13280 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13281 change (stmt -> orig_stmt).
13282 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13283 (bsi_remove): Add new argument. Remove EH information
13285 (verify_eh_throw_table_statements): New function.
13286 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13288 * tree-optimize.c (execute_free_cfg_annotations): Verify
13289 the EH throw statement table after removing annotations.
13290 * except.h (verify_eh_throw_table_statements): Prototype.
13291 * tree-flow.h (bsi_remove): Update prototype.
13292 * tree-vrp.c (remove_range_assertions): Add new argument to
13294 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13295 * tree-complex.c (expand_complex_div_wide): Likewise.
13296 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13297 * tree-tailcall.c (eliminate_tailcall): Likewise.
13298 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13299 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13300 * tree-nrv.c (tree_nrv): Likewise.
13301 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13302 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13303 (combine_blocks): Likewise.
13304 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13305 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13306 (cleanup_control_flow): Likewise.
13307 (remove_forwarder_block): Likewise.
13308 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13309 * tree-sra.c (sra_replace): Likewise.
13310 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13311 (forward_propagate_single_use_vars): Likewise.
13312 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13313 * tree-inline.c (expand_call_inline): Likewise.
13314 * tree-vect-transform.c (vect_transform_loop): Likewise.
13315 * tree-outof-ssa.c (rewrite_trees): Likewise.
13316 * tree-cfg.c (make_goto_expr_edges): Likewise.
13317 (cleanup_dead_labels): Likewise.
13318 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13319 (bsi_move_before, bsi_move_after): Likewise.
13320 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13321 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13323 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13326 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13328 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13329 on non gimple variables. Also add checks at the top for decls and
13331 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13333 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13334 and IMAGPART_EXPR for creating MUST_DEFs.
13335 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13336 and NAME_MEMORY_TAG separately from the DECLs.
13338 2006-01-06 Richard Guenther <rguenther@suse.de>
13340 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13341 annotation, if necessary.
13342 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13343 redundant calls to update_stmt.
13344 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13347 2006-01-05 Richard Henderson <rth@redhat.com>
13349 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13351 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13353 * c-typeck.c: Update copyright date.
13355 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13357 * c-typeck.c (build_c_cast): Always warn when casting
13358 from a pointer to an integer of different size, even if
13359 the node was constant.
13361 2006-01-05 Richard Guenther <rguenther@suse.de>
13363 PR tree-optimization/22555
13364 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13365 if one structure field is an array.
13366 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13367 operands even if we found a subvar, but ignore VOPs in this
13369 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13371 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13373 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13375 PR middle-end/24998
13376 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13378 2006-01-05 Richard Guenther <rguenther@suse.de>
13379 Diego Novillo <dnovillo@redhat.com>
13381 * tree-pass.h (TODO_remove_unused_locals): Define.
13382 * gimple-low.c (expand_var_p, remove_useless_vars,
13383 pass_remove_useless_vars): Remove. Update all users.
13384 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13385 (remove_unused_locals): New function.
13386 * tree-flow.h (remove_unused_locals): Declare.
13387 * passes.c (execute_todo): Call remove_unused_locals if
13388 TODO_remove_unused_locals is set.
13389 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13390 * tree-ssa-dce.c (pass_dce): Likewise.
13391 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13393 2006-01-05 Richard Guenther <rguenther@suse.de>
13395 * tree-flow.h (struct fieldoff): Decompose field to
13396 type, size and decl.
13397 * tree-ssa-alias.c (create_sft): Take type as parameter.
13398 (create_overlap_variables_for): Store type, size and decl
13399 in the fieldoff structure.
13400 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13401 of struct fieldoff.
13402 (push_fields_onto_fieldstack): Likewise.
13403 (create_variable_info_for): Likewise. Use offset for the
13404 SFT name if the decl is not available.
13406 2006-01-04 Paul Brook <paul@codesourcery.com>
13408 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13410 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13412 * lambda-code.c (can_put_in_inner_loop): Relax
13414 (can_put_after_inner_loop): New function.
13415 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13416 (perfect_nestify): Change to make copies and modify uses.
13418 2006-01-04 Richard Henderson <rth@redhat.com>
13420 Merge from gomp branch:
13421 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13422 via integer constant.
13423 (pragma_lex): Remove.
13424 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13425 rather than parsing it.
13426 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13427 handle_pragma_extern_prefix): Add %< %> quotes.
13428 (registered_pragmas): New.
13429 (c_register_pragma_1): New.
13430 (c_register_pragma): Use it.
13431 (c_register_pragma_with_expansion): Likewise.
13432 (c_invoke_pragma_handler): New.
13433 (init_pragma): Use cpp_register_deferred_pragma directly for
13435 * c-pragma.h (enum pragma_kind): New.
13436 (pragma_handler): New.
13437 (c_invoke_pragma_handler): Declare.
13438 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13440 * c-common.h (c_common_pch_pragma): Update decl.
13441 * Makefile.in (c-parser.o): Update dependencies.
13442 (GTFILES): Add c-pragma.h.
13443 * c-parser.c (struct c_token): Add pragma_kind.
13444 (struct c_parser): Add in_pragma.
13445 (c_lex_one_token): Always initialize keyword and pragma_kind.
13446 Extract data for CPP_PRAGMA.
13447 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13448 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13449 Don't allow CPP_PRAGMA_EOL if in_pragma.
13450 (c_parser_consume_pragma): New.
13451 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13452 (c_parser_skip_to_end_of_parameter): Likewise.
13453 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13454 (c_parser_skip_to_pragma_eol): New.
13455 (c_parser_external_declaration): Handle CPP_PRAGMA.
13456 (c_parser_compound_statement_nostart): Likewise.
13457 (c_parser_statement_after_labels): Likewise.
13458 (c_parser_pragma): New.
13459 (pragma_lex): Likewise.
13460 (c_parser_pragma_pch_preprocess): New.
13461 (c_parser_new): Merge into ...
13462 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13464 2006-01-04 Jeff Law <law@redhat.com>
13467 * tree-cfg.c (bsi_replace): Remove the original statement
13468 from the EH throw statement table.
13470 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13472 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13473 make the prototype extern "C" and add throw ().
13476 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13477 and pos non-negative and pos + len <= 32.
13478 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13479 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13480 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13483 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13484 as well as sizes not multiple of component size.
13487 * function.c (instantiate_expr): New function.
13488 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13489 walk its DECL_VALUE_EXPR with instantiate_expr.
13491 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13492 DW_OP_deref{,_size} if address isn't going to be added.
13494 2006-01-04 Ben Elliston <bje@au.ibm.com>
13496 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13497 * config/fp-bit.c: Likewise.
13499 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13501 * dominance.c: Add comment about why we use DFS numbering
13504 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13505 Richard Henderson <rth@redhat.com>
13507 Merge from gomp-branch:
13508 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13509 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13511 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13513 PR rtl-optimization/25578
13514 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13515 pass a parameter to simplify_shift_const if changing ASHIFTRT
13518 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13520 * builtins.c (get_builtin_sync_mem): New function.
13521 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13522 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13523 Call get_builtin_sync_mem to generate mem rtx.
13525 2006-01-03 Richard Guenther <rguenther@suse.de>
13528 * stmt.c (add_case_node): Make sure to clear overflow flags
13531 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13533 Merge from gomp-branch.
13534 * config/sparc/sync.md: New file.
13535 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13536 UNSPECV_LDSTUB): New constants.
13537 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13538 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13539 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13542 2006-01-03 Roger Sayle <roger@eyesopen.com>
13544 * combine.c (reg_subword_p): New predicate to test whether the
13545 destination of a set refers to a subword/piece of a register.
13546 (try_combine): Generalize the code to merge the setting of a
13547 pseudo to a constant followed by a set of a subword of that
13548 register to a constant.
13550 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13552 * basic-block.h (control_flow_graph): Change the type of
13553 x_label_to_block_map to VEC(basic_block,gc) *.
13554 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13555 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13557 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13558 VEC(basic_block,heap) *.
13559 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13560 ssa_prop_fini): Adjust the uses of cfg_blocks.
13562 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13564 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13566 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13567 hashing trees instead of a pointer hash.
13568 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13569 compare for MEM_EXPR.
13571 PR rtl-optimization/25130
13572 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13573 when comparing MEMs for GCSE
13575 2006-01-03 Ben Elliston <bje@au.ibm.com>
13577 * targhooks.h (default_decimal_float_supported_p): Declare.
13578 * targhooks.c (default_decimal_float_supported_p): Define.
13579 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13580 `default_decimal_float_supported_p'.
13581 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13583 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13585 * combine.c (apply_distributive_law <SUBREG>): Check
13586 TRULY_NOOP_TRUNCATION.
13588 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13590 * dwarf2out.c (have_switched_text_section): Delete.
13591 (have_multiple_function_sections): New.
13592 (have_location_lists): Make 'bool'.
13593 (add_AT_loc_list): Use 'true' not '1'.
13594 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13595 (output_loc_list): Use have_multiple_function_sections.
13596 (output_ranges): Likewise.
13597 (dwarf2out_begin_function): Set have_multiple_function_sections if
13599 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13600 Check function_section rather than DECL_SECTION_NAME.
13601 (dwarf2out_finish): Use have_multiple_function_sections.
13602 Don't clear have_location_lists.
13604 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13605 Jan Hubicka <jh@suse.cz>
13607 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13608 case of conditional jump jumping to the next instruction.
13609 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13610 cases of conditional jump jumping to the next instruction.
13612 2006-01-02 Jan Hubicka <jh@suse.cz>
13614 * i386.c (*_cost): Add COSTS_N_INSNS.
13615 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13617 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13620 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13622 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13624 * config/arm/arm.c (all_fpus): Fix comment typo.
13625 * config/darwin.c: Likewise.
13626 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13627 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13628 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13630 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13632 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13633 (rs6000_split_compare_and_swapqhi): New.
13634 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13635 (sync_compare_and_swapqhi_internal): New.
13636 * config/rs6000/rs6000-protos.h: Declare.