1 2006-08-04 Jan Hubicka <jh@suse.cz>
3 PR tree-optimization/24888
4 * tree-inline.c (expand_call_inline): Do not re-record variables.
5 (declare_inline_vars): Add variable to unexpanded_var_list.
7 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8 Roger Sayle <roger@eyesopen.com>
10 PR rtl-optimization/26244
11 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
12 inner_const are negative or greater than or equal to the bitsize of
13 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
14 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
15 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
16 CONST0_RTX (mode) when the new shift count is greater than or equal to
17 to the bitsize of the object being shifted and XEXP (y, 0) has no side
20 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
22 * tree-cfg.c: Fix a comment typo.
24 2006-08-03 Mark Mitchell <mark@codesourcery.com>
27 * varasm.c (output_constant): Give the front end another chance to
28 expand constants, after stripping NOPs.
30 2006-08-03 Jan Hubicka <jh@suse.cz>
32 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
35 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
37 PR tree-optimization/27770
38 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
39 declaration removed (moved to tree-flow.h).
40 (vect_can_force_dr_alignment_p): Likewise.
41 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
42 (moved from tree-vectorizer.h).
43 (vect_can_force_dr_alignment_p): Likewise.
44 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
45 from outside the vectorizer - in particular from cgraph stage.
46 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
47 the alignment of global arrays when -fsection-anchors is enabled.
48 * cgraphunit.c (cgraph_increase_alignment): New function.
49 (cgraph_optimize): Call cgraph_increase_alignment.
51 2006-08-03 David Edelsohn <edelsohn@gnu.org>
54 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
55 not reload a SPE symbol_ref into a lo_sum address.
57 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
60 * dwarf2out.c (prune_unused_types_prune): Move call to
61 prune_unused_types_update_strings to cover the parent DIE also.
63 2006-08-02 Jan Hubicka <jh@suse.cz>
66 * tree-cfg.c (change_bb_for_stmt): New function.
67 (tree_merge_blocks, tree_split_blocks): Use it.
69 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
75 * toplev.c (compile_file): Return early on errorcount or sorrycount.
76 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
77 (cgraph_optimize): Likewise.
79 2006-08-01 Stuart Hastings <stuart@apple.com>
81 * rtl.h (UINTVAL) New.
82 * config/rs6000/rs6000.c (SMALL_INT) Use it.
83 * testsuite/gcc.dg/20060801-1.c: New.
85 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
88 * c-typeck.c (build_external_type): Mark used enum types.
89 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
91 (gen_subprogram_die): Whitespace fix.
93 2006-08-01 Jan Hubicka <jh@suse.cz>
95 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
96 bitmap when not needed.
97 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
100 2006-08-01 Dirk Mueller <dmueller@suse.de>
102 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
104 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
106 * Makefile.in: Revert part of previous patch:
107 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
110 2006-07-30 Eric Christopher <echristo@apple.com>
113 * doc/extend.texi (i386 Variable Attributes): Add anchor.
114 (PowerPC Variable Attributes): New section.
116 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
118 PR target/28126 (partial fix)
119 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
121 2006-07-28 Jan Hubicka <jh@suse.cz>
123 PR rtl-optimization/28071
124 * cfgrtl.c (rtl_delete_block): Free regsets.
125 * flow.c (allocate_bb_life_data): Re-use regsets if available.
127 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
129 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
130 and variables used in dependencies.
132 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
134 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
135 %fs for -mcmodel=kernel.
136 (stack_tls_protect_test_di): Likewise.
138 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
140 * Makefile.in: Use mkinstalldirs.
142 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
145 * opts-common.c (prune_options): Skip joined switches.
147 2006-07-27 Jan Hubicka <jh@suse.cz>
149 PR rtl-optimization/28071
150 * cselib.c (cselib_process_insn): Don't remove useless values too
151 often for very large hashtables.
153 2006-07-27 Jan Hubicka <jh@suse.cz>
155 PR rtl-optimization/28071
156 * global.c (greg_obstack): New obstack.
157 (allocate_bb_info): Use it.
158 (free_bb_info): Likewise.
159 (modify_reg_pav): Likewise.
161 2006-07-27 Roger Sayle <roger@eyesopen.com>
163 * builtins.c (fold_fixed_mathfn): When long and long long are the
164 same size, canonicalize llceil*, llfloor*, llround* and llrint*
165 functions to their lceil*, lfloor*, lround* and lrint* forms.
167 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
170 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
172 (rev_branch_insn): Likewise.
174 2006-07-27 Jan Hubicka <jh@suse.cz>
176 PR rtl-optimization/28071
177 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
178 (reg_set_in_bb, max_reg_computed): New static variables.
179 (regmove_optimize): Free the new array.
180 (fixup_match_1): Update call of reg_is_remote_constant_p.
182 2006-07-26 Jan Hubicka <jh@suse.cz>
184 PR tree-optimization/27882
185 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
187 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
189 (cgraph_analyze_compilation_unit): Likewise.
190 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
191 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
192 (cgraph_early_inlinine): Make order garbage collected.
193 * Makefile.in (gt-ipa-inline): New garbagecollected file.
195 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
197 * dbxout.c (output_types_sort): Add a comment.
198 (output_used_types): Free the VEC.
200 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
202 * function.c (reorder_fix_fragments): Delete.
203 (reorder_blocks): Don't call it.
204 (reorder_blocks_1): Put all subblocks under the origin block.
206 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
208 PR rtl-optimization/27907
209 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
212 2006-07-25 Roger Sayle <roger@eyesopen.com>
215 * convert.c (convert_to_integer): When transforming (T)foo(x) into
216 bar(x) check that bar's result type can represent all the values of T.
218 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
220 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
222 2006-07-25 Nick Clifton <nickc@redhat.com>
224 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
226 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
227 (ggc_pch_count_object): Likewise.
228 (ggc_pch_alloc_object): Likewise.
229 (ggc_pch_write_object): Likewise.
230 (init_ggc): Do not attempt to initialize entries in the
231 size_lookup[] array for objects whose size is greater than than
232 the length of the array.
234 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
236 * dbxout.c (output_used_types_helper): Push queued types
238 (output_types_sort): New.
239 (output_used_types): Collect used types on a VEC and sort them
242 2006-07-24 Richard Guenther <rguenther@suse.de>
245 * cgraph.c (cgraph_remove_node): Do not check if dumps
247 * cgraphunit.c (cgraph_optimize): Likewise.
249 2006-07-24 Jan Hubicka <jh@suse.cz>
251 PR rtl-optimization/28071
252 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
253 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
254 splitting before first stmt.
256 2006-07-24 Jan Hubicka <jh@suse.cz>
258 PR rtl-optimization/28071
259 * ipa-inline.c (update_caller_keys): Remove edges that
260 are no longer inline candidates.
262 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
265 * dbxout.c (output_used_types_helper, output_used_types): New.
266 (dbxout_symbol): Call output_used_types.
268 2006-07-23 Jan Hubicka <jh@suse.cz>
272 * cgraph.c (cgraph_varpool_nodes): Export.
273 (decide_is_variable_needed): Ignored "used" attribute in
275 * cgraph.h (cgraph_varpool_nodes): Declare.
276 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
279 2006-07-23 Roger Sayle <roger@eyesopen.com>
282 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
283 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
284 the __gthrw form of thr_keycreate.
285 (__gthread_key_delete): Silence the unused argument warning.
287 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
290 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
291 Cache the last found '\0' marker to avoid quadratic behavior.
293 2006-07-23 Jan Hubicka <jh@suse.cz>
295 * i386.md (subsi_3_zext): Fix output template.
297 2006-07-21 Mike Stump <mrs@apple.com>
299 * doc/invoke.texi (C++ Dialect Options): Note that
300 -fvisibility-inlines-hidden doesn't affect explicitly
301 instantiationed inline methods.
303 2006-07-20 Roger Sayle <roger@eyesopen.com>
305 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
306 if the target assembler is GNU binutils' gas.
307 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
308 whether to pass GNU gas or native as command line options.
310 2006-07-20 Jason Merrill <jason@redhat.com>
312 * tree.c (remove_attribute): New fn.
313 * tree.h: Declare it.
315 2006-07-20 Paul Brook <paul@codesourcery.com>
318 * cse.c (cse_insn): Add destination addresses to hash table. Check if
319 they are invalidated by this instruction.
321 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
324 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
326 2006-07-20 Eric Christopher <echristo@apple.com>
329 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
331 2006-07-19 Eric Christopher <echristo@apple.com>
333 * config/t-slibgcc-darwin (stmp-lipo): Remove.
334 Rewrite dependencies for libgcc_s.1.dylib.
336 2006-07-19 Jakub Jelinek <jakub@redhat.com>
338 * except.c (duplicate_eh_regions_1): Clear next_peer.
340 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
342 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
343 -mlongcall does not guarantee all calls will be long.
344 * doc/extend.texi (long_call/short_call): Document that longcall
345 does not guarantee a long call will be used.
346 (longcall/shortcall): Likewise.
348 2006-07-18 Roger Sayle <roger@eyesopen.com>
351 * expmed.c (expand_shift): Additionally check that the shift_cost
352 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
353 before implementing a LSHIFT_EXPR as a sequence of additions.
354 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
355 middle-end that DImode shifts need to be synthesized by expand.
357 2006-07-18 Diego Novillo <dnovillo@redhat.com>
360 * tree-ssa-operands.c (access_can_touch_variable): Update
362 Return true if ALIAS is .GLOBAL_VAR.
364 2006-07-18 David Daney <ddaney@avtrex.com>
366 * gcc.c (display_help): Fix typo in help text.
368 2006-07-18 Olivier Hainque <hainque@adacore.com>
370 * tree.h (categorize_ctor_elements): Adjust prototype and add
371 descriptive comment, both in accordance with the interface change
373 * varasm.c (constructor_static_from_elts_p): New function.
374 Whether a constructor node is a valid static constant initializer
375 if all its elements are.
376 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
377 * output.h: Declare it.
378 * expr.c (categorize_ctor_elements_1): Return whether the constructor
379 is a valid constant initializer instead of computing the number of
380 non-constant elements. Use constructor_static_from_elts_p for this
381 purpose. Replace the head comment with an indication that this is a
382 helper for categorize_ctor_elements.
383 (categorize_ctor_elements): Same interface change as for the _1
384 helper. Former head comment from this helper moved here, adjusted to
385 account for the interface changes.
386 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
387 (all_zeros_p): Likewise.
388 * gimplify.c (gimplify_init_constructor): Decide whether we can make
389 static versions of the constructor from the categorize_ctor_elements
390 return value instead of the formerly computed number of non-constant
393 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
395 * configure: Regenerate.
396 * Makefile.in (build_libsubdir): New configure substitution
397 (build_libobjdir): New variable.
398 (BUILD_LIBIBERTY): Use it.
400 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
403 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
405 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
408 * c-common.c (handle_weakref_attribute): Ignore attribute in
409 the same conditions the alias attribute is ignored.
411 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
413 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
414 (dbxout_begin_prologue): Increment scope_labelno.
416 2006-07-17 Richard Henderson <rth@redhat.com>
419 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
422 2006-07-17 Roger Sayle <roger@eyesopen.com>
423 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
425 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
426 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
427 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
428 functions such as sbrk, write, etc.. Add function prototypes.
429 Convert function declarations from K&R to ISO C. Cast pointers
430 to "long" and "unsigned long" instead of "int" and "unsigned int".
431 Convert tokens following #endif into comments.
433 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
435 * invoke.texi: Remove mention of f77; Reformat table for
436 inline parameter options correctly; mention that -malign-double
437 is default on x86-64 targets.
439 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
441 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
442 (convert_affine_scev, chrec_convert_aggressive): Use
443 avoid_arithmetics_in_type_p. Do not check for the subtypes
446 2006-07-17 Richard Sandiford <richard@codesourcery.com>
449 * optabs.c (expand_doubleword_shift): Wrap the call to
450 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
452 2006-07-17 Richard Sandiford <richard@codesourcery.com>
455 * optabs.c (expand_binop): Pass next_methods rather than methods
456 to expand_doubleword_shift.
458 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
461 * tree.h (dump_addr): Declare.
462 * print-tree.c (dump_addr): New function.
463 (print_node_brief, print_node): Use it.
464 * print-rtl.c (print_rtx): Likewise.
465 * common.opt (-fdump-noaddr): New option.
466 * doc/invoke.texi (-fdump-noaddr): Document.
467 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
468 (ve_info_hash): Likewise.
470 2006-07-13 Andrew Haley <aph@redhat.com>
472 PR tree-optimization/19505
473 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
474 edge leaving this block, make sure that the destination of this
475 block has only one predecessor.
477 2006-07-17 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/28238
480 * tree-inline.c (copy_bb): Check if we produced valid
481 gimple copying and substituting a stmt. If not, gimplify
484 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
486 * optabs.c (maybe_encapsulate_block): New function extracted from...
487 (emit_libcall_block): ...here. Invoke it on the block of insns to
488 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
489 (emit_no_conflict_block): Likewise.
491 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
493 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
495 2006-07-15 Roger Sayle <roger@eyesopen.com>
497 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
498 a new NOP_EXPR case of the switch statement.
500 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
503 * stor-layout.c (place_field): Take the bit field with
504 an excessive size into account in the ms-bitfiled case.
507 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
508 the previous bit field.
510 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
513 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
515 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
517 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
518 signal frames correctly even when the signal was installed with
521 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
523 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
524 (dbxout_function_end): Use local label LFBB. Remove hook
526 (dbxout_source_line): Use local label LFBB.
527 (dbxout_block): Likewise.
528 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
529 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
530 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
533 2006-07-13 Janis Johnson <janis187@us.ibm.com>
535 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
537 2006-07-13 Jan Hubicka <jh@suse.cz>
539 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
541 * output.h (align_variable): Declare.
542 * varasm.c (align_variable): Export.
543 * value-prof.c (tree_value_profile_transformations): Recompute iterator
544 when basic block changed.
546 2006-07-13 Nick Clifton <nickc@redhat.com>
548 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
549 walking the LOG_LINKS chain.
551 2006-07-12 Geoffrey Keating <geoffk@apple.com>
553 * doc/invoke.texi (C++ Dialect Options): Explain difference
554 between -fvisibility-inlines-hidden and setting hidden
555 visibility explicitly.
557 2006-07-12 Eric Christopher <echristo@apple.com>
559 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
560 (stmp-lipo): Depend on libgcc.a.
562 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
564 * tree.c: Fix a comment typo.
566 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
568 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
570 (umulhisi3_r): Likewise.
572 2006-07-12 Paolo Carlini <pcarlini@suse.de>
575 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
576 x < 19, vs wchar_t support.
578 2006-07-12 Nick Clifton <nickc@redhat.com>
580 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
583 2006-07-12 Mike Stump <mrs@apple.com>
585 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
587 2006-07-10 Eric Christopher <echristo@apple.com>
589 * config/t-slibgcc-darwin: Rewrite.
591 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
594 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
597 2006-07-08 Matthias Klose <doko@debian.org>
599 * doc/sourcebuild.texi: Fix typo.
601 2006-07-07 Mike Stump <mrs@apple.com>
603 * toplev.c (process_options): Don't give -ffunction-sections may
604 affect debugging warning for Mach-O.
606 2006-07-07 James E Wilson <wilson@specifix.com>
608 * config/mips/mips.md (cpu): Add sb1a.
609 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
610 addition to sb1. Adjust comments to clarify SB-1A differences from
612 (ir_sb1a_load): New. Modify bypasses to use it.
613 (ir_sb1a_simple_alu): Likewise.
614 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
615 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
616 (mips_issue_rate): Add PROCESSOR_SB1A.
617 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
618 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
619 (TARGET_SB1): Add PROCESSOR_SB1A check.
620 (TUNE_SB1): Likewise.
622 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
623 * config/mips/mips.c (mips_store_data_bypass_p): New.
624 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
627 2006-07-08 Paul Brook <paul@codesourcery.com>
630 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
632 2006-07-07 Richard Guenther <rguenther@suse.de>
635 * tree.h (build_one_cst): Declare.
636 * tree.c (build_one_cst): New function.
637 * tree-ssa-math-opts.c (get_constant_one): Remove.
638 (insert_reciprocals): Use build_one_cst.
639 * fold-const.c (fold_plusminus_mult): Likewise.
641 2006-07-07 Roger Sayle <roger@eyesopen.com>
643 * pointer-set.c (pointer_set_destroy): Correct whitespace.
644 * cfgloopanal.c (dump_graph): Likewise.
645 * dojump.c (discard_pending_stack_adjust): Likewise.
646 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
648 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
649 * function.c (finalize_block_changes): Likewise.
650 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
651 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
652 * rtl.c (dump_rtx_statistics): Likewise.
653 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
655 * varray.c (dump_varray_statistics): Likewise.
656 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
657 decode_decimal64, encode_decimal128, decode_decimal128,
658 decimal_real_to_decimal): Likewise.
660 2006-07-07 Richard Guenther <rguenther@suse.de>
662 PR tree-optimization/28187
663 * tree-vrp.c (vrp_operand_equal_p): New function.
664 (vrp_bitmap_equal_p): Likewise.
665 (update_value_range): Use them to compare old and new
668 2006-07-06 Roger Sayle <roger@eyesopen.com>
670 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
671 a default case to switch statement to silence compiler warnings.
673 2006-07-06 Roger Sayle <roger@eyesopen.com>
676 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
677 the configured assembler supports the x87's ffreep mnemonic.
678 * configure: Regenerate.
679 * config.in: Regenerate.
681 * config/i386/i386.c (output_387_ffreep): New function.
682 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
683 (output_387_reg_move): Likewise.
685 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
687 Port to hosts whose 'sort' and 'tail' implementations
688 treat operands with leading '+' as file names, as POSIX
689 has required since 2001. However, make sure the code still
690 works on pre-POSIX hosts.
691 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
692 which says you should use "tail -c +N" rather than "tail +Nc".
693 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
695 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
697 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
700 2006-07-06 David Edelsohn <edelsohn@gnu.org>
703 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
704 PRE_{INC,DEC} of TFmode.
706 2006-07-06 David Edelsohn <edelsohn@gnu.org>
707 Alan Modra <amodra@bigpond.net.au>
710 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
713 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
716 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
717 Remove duplicate gtu.
719 2006-07-05 Jason Merrill <jason@redhat.com>
723 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
724 * c-common.c (handle_packed_attribute): So don't copy it here.
725 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
727 2006-07-05 Mike Stump <mrs@apple.com>
729 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
731 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
734 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
736 2006-07-05 Richard Guenther <rguenther@suse.de>
739 * config/i386/i386.md (*negdf2_1): Restrict pattern to
740 TARGET_SSE2 targets if using SSE math.
741 (*absdf2_1): Likewise.
743 2006-07-05 Richard Guenther <rguenther@suse.de>
745 PR tree-optimization/28162
746 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
747 make sure to convert the operands to the correct type.
749 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
751 PR tree-optimization/28218
753 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
754 to calculate and free the dominator information.
756 2006-07-04 Peter O'Gorman <peter@pogma.com>
758 * mklibgcc.in: chmod 644 before ranlib during install.
760 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
761 J"orn Rennecke <joern.rennecke@st.com>
763 * configure.ac (.eh_frame data check): Use diff -b.
765 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
768 * Makefile.in (BUILD_RTL): Add build/vec.o.
769 (build/gencondmd.o): Filter out -fkeep-inline-functions.
770 (build/genextract): Delete.
771 (build/genautomata): Likewise.
773 2006-07-04 Alan Modra <amodra@bigpond.net.au>
776 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
777 128-bit IBM long doubles for ABI_V4.
779 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
781 * tree.c (range_in_array_bounds_p): New predicate.
782 * tree.h (range_in_array_bounds_p): Declare it.
783 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
784 return a less conservative answer.
785 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
787 (IS_ELEMENT_FOR_GROUP): New macro.
788 (FOR_EACH_ACTUAL_CHILD): Likewise.
789 (next_child_for_group): New helper function.
790 (can_completely_scalarize_p): Take into account groups.
791 (sra_hash_tree): Handle RANGE_EXPR.
792 (sra_elt_eq): Likewise.
793 (lookup_element): Be prepared for handling groups.
794 (is_valid_const_index): Delete.
795 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
796 instead of is_valid_const_index.
797 <ARRAY_RANGE_REF>: New case.
798 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
799 is_valid_const_index.
800 <ARRAY_RANGE_REF>: Do not unconditionally punt.
801 (scan_dump): Dump info for groups too.
802 (decide_instantiation_1): Likewise.
803 (decide_block_copy): Assert that the element is not a group.
804 Propagate decision to groups.
805 (generate_one_element_ref): Handle RANGE_EXPR.
806 (mark_no_warning): Iterate over actual childs.
807 (generate_copy_inout): Likewise.
808 (generate_element_copy): Likewise.
809 (generate_element_zero): Likewise.
810 (generate_element_init_1): Likewise.
811 (dump_sra_elt_name): Handle RANGE_EXPR.
813 2006-07-03 Roger Sayle <roger@eyesopen.com>
815 PR tree-optimization/26251
816 * tree-ssa-threadupdate.c (redirection_block_p): New function.
817 (thread_block): When optimizing for size refuse to thread jumps
818 that would require duplication of blocks other than redirection
821 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
823 * configure.ac: Fix thinko in previous check-in.
824 * configure: Regenerate.
826 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
829 * configure.ac (for lang...): Simplify nesting of conditionals.
830 Test subdir_requires for non-enabled languages. Move processing
831 of lang_opt_files and lang_tree_fiels below that test.
832 * configure: Regenerate.
833 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
835 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
837 * doc/gcov.texi (Invoking Gcov): Add a missing word.
839 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
841 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
844 2006-06-29 Jason Merrill <jason@redhat.com>
851 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
852 * c-common.c (c_determine_visibility): Handle it here.
853 * c-decl.c (finish_decl): Call c_determine_visibility for
855 * flags.h (enum symbol_visibility): Sort from most to least visibility.
857 * varasm.c (default_assemble_visibility): Likewise.
858 * c-common.c (handle_visibility_attribute): Complain about trying
859 to give visibility to an already defined class, or trying to change
860 declared visibility. Always attach the attribute.
865 * attribs.c (decl_attributes): Ignore type-in-place attributes
866 once the type has been defined.
868 2006-06-29 Roger Sayle <roger@eyesopen.com>
871 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
872 to indicate the cpplib has issued an error message for us.
874 2006-06-29 Asher Langton <langton2@llnl.gov>
877 * config/i386/i386.c (ix86_output_function_epilogue): Don't
878 insert a label at the end of an function under Mach-O.
880 2006-06-29 Eric Christopher <echristo@apple.com>
881 Evan Cheng <evan.cheng@apple.com>
883 * predicates.md (vector_all_ones_operand): New.
884 (nonimmediate_or_sse_const_operand): Ditto.
885 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
886 * config/i386/i386.c (standard_sse_constant_opcode): Define.
887 (standard_sse_mode_p): Ditto.
888 (standard_sse_constant_p): Add case for -1 vector.
889 (ix86_expand_vector_move): Try to use.
890 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
891 Call standard_sse_constant_opcode.
892 (*movv4sf_internal): Ditto.
893 (*movv2df_internal): Ditto.
895 2006-06-29 Roger Sayle <roger@eyesopen.com>
897 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
898 of XEXP to extract the operands of a MATCH_CODE rtx.
900 2006-06-28 Andrew Pinski <pinskia@gmail.com>
902 * tree.c (tree_size): Do not waste tail padding in
903 struct tree_string and make the size be the same as
904 build_string will generate.
906 2006-06-28 Jason Merrill <jason@redhat.com>
909 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
910 may_aliases already in the tag's annotations to the bitmap.
912 2006-06-28 Roger Sayle <roger@eyesopen.com>
914 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
916 2006-06-28 Roger Sayle <roger@eyesopen.com>
918 * genpreds.c (generate_switch_p): New function.
919 (add_mode_tests): Push the new mode test down inside an AND expr
920 if this allows the switch-suitable MATCH_CODE to be near the root.
921 (write_match_code_switch): New function to write a MATCH_CODE as
923 (write_predicate_stmts): New function to write a predicate RTX
924 expression as a sequence of statements.
925 (write_one_predicate_function): Use write_predicate_stmts.
926 (write_tm_constrs_h): Likewise.
928 2006-06-26 Fred Fish <fnf@specifix.com>
930 * config/mips/t-sb1: New file.
931 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
934 2006-06-26 DJ Delorie <dj@redhat.com>
936 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
938 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
939 Jayant Sonar <jayants@kpitcummins.com>
940 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
942 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
943 (subsi3, subsi3_1, subsi3_2): New.
944 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
945 * config/m32c/mov.md (SI mov peephole): New.
946 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
947 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
949 2006-06-26 Olivier Hainque <hainque@adacore.com>
951 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
952 a CALL_EXPR target function declaration.
954 2006-06-26 Richard Guenther <rguenther@suse.de>
956 * tree.c (build_string): Do not waste tail padding in
959 2006-06-26 Richard Guenther <rguenther@suse.de>
961 * ggc-page.c (init_ggc): Add missing element to size_lookup
965 2006-06-23 Richard Guenther <rguenther@suse.de>
967 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
968 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
969 alignment requests instead. Add verification code.
970 Add struct tree_function_decl and struct tree_binfo size to
971 extra_order_size_table. Add missing element to size_lookup
974 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
977 * fold-const.c (const_binop): Be prepared for self returning zero.
978 Simplify code handling complex values.
980 2006-06-24 Olivier Hainque <hainque@adacore.com>
982 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
983 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
986 2006-06-24 Olivier Hainque <hainque@adacore.com>
988 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
989 ARRAY_REF, so have the callback called for the low bound expression.
991 2006-06-23 Janis Johnson <janis187@us.ibm.com>
993 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
994 * c-typeck.c (c_common_type): Disallow operations on decimal float
995 types and other float types.
996 * convert.c (convert_to_real): Don't ignore conversions involving
999 2006-06-23 Olivier Hainque <hainque@adacore.com>
1001 * tree.c (max_int_size_in_bytes): New function, inspired from
1002 code in function.c:assign_temp.
1003 * tree.h (max_int_size_in_bytes): Declare.
1004 * function.c (assign_temp): Use it.
1005 * gimplify.c (create_tmp_var): Relax the assertions on the type
1006 properties, not mandating constant size any more.
1007 (force_constant_size): New static function.
1008 (gimple_add_tmp_var): Use it, forcing variable size to a
1009 constant upper bound if it is not constant on entry.
1011 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1014 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1015 for initialization and setting of one_only flag to ...
1016 (i386_pe_encode_section_info): ...here.
1017 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1018 Recheck that the symbol has not been defined.
1020 2006-06-23 Richard Guenther <rguenther@suse.de>
1022 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1023 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1024 alignment requests instead. Add verification code.
1025 Add struct tree_function_decl and struct tree_binfo size to
1026 extra_order_size_table. Add missing element to size_lookup
1029 2006-06-22 Roger Sayle <roger@eyesopen.com>
1030 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1033 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1034 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1036 2006-06-23 Ben Elliston <bje@au.ibm.com>
1038 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1039 negate dn -- manipulate it directly.
1041 2006-06-22 Roger Sayle <roger@eyesopen.com>
1042 Steven Bosscher <stevenb.gcc@gmail.com>
1045 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1046 generated by gen_move_insn to add REG_LABEL notes if necessary.
1048 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1050 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1051 (leaf_entry): Remove use of MIN_ESA.
1053 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1055 PR rtl-optimization/28121
1056 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1059 2006-06-21 DJ Delorie <dj@redhat.com>
1061 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1063 (mulhisi3_r): Likewise.
1065 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1068 * coverage.c (coverage_counter_alloc): Leave the index type
1070 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1073 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1075 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1076 section from the "Options for Code Generation Conventions".
1078 2006-06-21 Richard Henderson <rth@redhat.com>
1082 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1084 (global_symbolic_operand): Allow weak symbols, even if local_p.
1086 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1088 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1089 (find_interesting_uses_address): Punt if above function returns true.
1091 2006-06-21 Richard Guenther <rguenther@suse.de>
1093 * configure: Regenerated.
1095 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1097 * config/mips/mips.c (function_arg): Where one part of a
1098 complex argument is in registers and the other part in the stack,
1099 return a REG not a PARALLEL.
1101 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1103 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1104 when cross-compiling. Do not substitute libstdcxx_incdir.
1105 * configure: Regenerated.
1107 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1109 * varasm.c (mergeable_string_section): Check for embedded NULs and
1110 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1111 rather than TREE_STRING_LENGTH bytes.
1113 2006-06-21 Richard Guenther <rguenther@suse.de>
1115 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1116 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1119 2006-06-21 Richrad Guenther <rguenther@suse.de>
1121 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1122 Limit iteration over the dominators.
1124 2006-06-20 Roger Sayle <roger@eyesopen.com>
1126 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1127 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1129 2006-06-20 Richard Guenther <rguenther@suse.de>
1130 Michael Matz <matz@suse.de>
1132 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1134 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1135 * et-forest.h (et_free_pools): Prototype new function.
1136 * et-forest.c (et_free_tree_force): Free parent occurrence.
1137 (et_free_pools): New function.
1138 * dominance.c (free_dominance_info): Free et-forest alloc
1141 2006-06-20 Roger Sayle <roger@eyesopen.com>
1143 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1144 integer modes, attempt to directly construct an integer constant.
1146 * fold-const.c (native_encode_vector): Determine the size of each
1147 element from the vector type instead of the first vector element.
1149 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1150 if all of its elements/components are constant.
1151 (build_constructor_from_list): Likewise.
1153 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1155 PR tree-optimization/27331
1156 * tree-data-ref.c (free_data_ref): New function.
1157 (create_data_ref): Fail if the data reference has unknown access
1159 (free_data_refs): Use free_data_ref.
1161 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1164 * tree-inline.c (setup_one_parameter): Strip useless
1165 type conversion before adding it to the IR.
1166 (declare_return_variable): Likewise.
1168 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1171 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1173 2006-06-19 Mike Stump <mrs@apple.com>
1175 * tree.c (variably_modified_type_p): VM arguments don't make the
1178 2006-06-19 Richard Guenther <rguenther@suse.de>
1180 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1181 type conversions after folding.
1183 2006-06-19 Richard Guenther <rguenther@suse.de>
1185 * ggc-page.c (extra_order_size_tab): Add entries with
1186 size of struct function and basic_block.
1187 (size_lookup): Extend to cover sizes up to 511.
1188 (ggc_alloc_stat): Adjust user.
1189 (ggc_pch_count_object): Likewise.
1190 (ggc_pch_alloc_object): Likewise.
1191 (ggc_pch_write_object): Likewise.
1193 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1195 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1196 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1199 2006-06-19 Denis Chertykov <denisc@overta.ru>
1201 * config/avr/libgcc.S : Correct my wrong previous commit.
1203 2006-06-19 Roger Sayle <roger@eyesopen.com>
1206 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1207 have stripped a SUBREG from the shift count, so we may need to
1208 convert_to_mode back to the type's mode before calling make_tree.
1209 Use new_amount instead of amount to avoid expanding a tree twice.
1211 2006-06-19 Richard Guenther <rguenther@suse.de>
1214 * fold-const.c (operand_equal_p): Check if the argument types
1215 have the same precision before stripping NOPs.
1217 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1219 Fix PR tree-optimization/27341
1220 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1222 * tree-complex.c (pass_lower_complex): Update SMT usage.
1224 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1226 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1227 Add a new alternative to the constraint strings. Add move of
1228 operand 1 to 3 to the splitter definition.
1229 ("doloop_si_long"): Second contraint alternative removed.
1231 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1233 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1234 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1236 (AVR_HAVE_MOVW) Define.
1237 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1238 (ASM_SPEC): Add avr25.
1239 (LINK_SPEC): Add avr25.
1240 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1241 (base_arch_s): Add new member 'have_movw_lpmx'.
1242 (avr_arch_types): Init 'have_movw_lpmx'.
1243 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1244 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1245 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1246 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1247 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1249 (avr_file_start): Do not output '.arh' derective.
1250 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1251 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1252 * config/avr/avr.md (mcu_enhanced): Delete.
1253 (mcu_have_movw): Define.
1254 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1255 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1256 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1257 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1258 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1259 attiny861 and at86rf401 devices.
1261 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1263 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1266 2006-06-17 Karl Berry <karl@gnu.org>
1268 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1269 doc/gccint.texi, doc/install.texi (@dircategory): Use
1270 "Software development" instead of "Programming", following
1271 the Free Software Directory.
1273 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1275 * config/i386/i386.c (legitimate_tls_address)
1276 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1277 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1278 (*tls_dynamic_gnu2_combine_64): Likewise.
1280 2006-06-16 Richard Guenther <rguenther@suse.de>
1283 * fold-const.c (negate_expr_p): Do not introduce undefined
1284 overflow in negating INTEGER_CSTs.
1285 (fold_negate_expr): Rename from negate_expr. Revert last
1286 change for folding BIT_NOT_EXPR. Change semantics to
1287 return NULL_TREE for non-simplified negations. Do not
1288 strip type conversions and unify type handling.
1289 (negate_expr): New function, wrap around fold_negate_expr
1290 but ensure building a tree always. Strip type conversions
1291 here, fold to result type.
1292 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1294 2006-06-16 Roger Sayle <roger@eyesopen.com>
1297 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1298 that (would) return their results in stack registers.
1300 2006-06-16 Michael Matz <matz@suse.de>
1301 Richard Guenther <rguenther@suse.de>
1303 * fold-const.c (fold_truthop): Only return new tree node if
1304 we canonicalized something.
1306 2006-06-16 Richard Guenther <rguenther@suse.de>
1308 * function.h (enum function_frequency): Move declaration
1309 out of struct function.
1310 (struct function): Move bool fields and the enum to the bitfield
1311 section. Reorder elements to avoid padding. Remove unused
1312 fields left over from the RTL inliner removal.
1313 * function.c (free_after_compilation): Do not zero removed fields.
1314 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1315 (ipa-type-escape.o): Likewise.
1317 2006-06-16 Richard Guenther <rguenther@suse.de>
1319 * cgraph.h (struct cgraph_local_info): Turn bool elements
1321 (struct cgraph_node): Likewise.
1322 (struct cgraph_varpool_node): Likewise.
1324 2006-06-15 Richard Guenther <rguenther@suse.de>
1326 * fold-const.c (fold_truth_not_expr): Rename from
1327 invert_truthvalue. Give it fold_* semantics to avoid
1329 (invert_truthvalue): New function. Wrapper around
1330 fold_truth_not_expr.
1331 (optimize_minmax_comparison): Avoid creating garbage.
1332 (fold_unary): Use fold_truth_not_expr for folding
1334 (fold_ternary): Replace uses of invert_truthvalue with
1335 fold_truth_not_expr where applicable.
1336 * tree.h (fold_truth_not_expr): Prototype.
1338 2006-06-16 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/27781
1341 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1342 * ipa-pure-const.c (target.h): Include.
1343 (analyze_function): Do not analyze functions that do not
1346 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1349 * tree-dfa.c (referenced_vars_dup_list): Remove.
1350 (find_referenced_vars): Remove assert.
1351 (referenced_var_check_and_insert): Replace dup list with assert.
1352 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1353 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1355 2006-06-15 Richard Guenther <rguenther@suse.de>
1357 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1358 extra unused identifiers if not dumping.
1359 (create_variable_info_for): Likewise.
1361 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1363 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1364 (derive_constant_upper_bound): Derive more precise upper bound in
1365 common cases. Return type changed to double_int.
1366 (record_estimate): Reflect the changed return type of
1367 derive_constant_upper_bound.
1368 * double-int.c (double_int_zext, double_int_sext): Fix.
1370 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1372 * configure.ac (CFLAGS): Get them from the toplevel or from the
1373 configure invocation.
1374 * configure: Regenerate.
1375 * Makefile.in (CFLAGS): Substitute value provided by configure.
1377 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1380 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1381 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1382 rather than calling add_stmt on it.
1383 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1385 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1388 * reload1.c (reload): Remove registers returned by update_eliminables
1389 from used_spill_regs.
1391 2006-06-13 DJ Delorie <dj@redhat.com>
1393 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1395 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1397 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1398 html__strip_dir, html__mkdir_p. Enhance install-html target.
1399 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1400 * configure: Regenerate.
1402 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1404 * fold-const.c (fold_cond_expr_with_comparison): Check for
1405 Objective-C++ as language in deciding COND_EXPR transformation.
1407 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1410 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1411 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1412 * config/sh/lib1funcs.h (SL, SL1): Define.
1413 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1414 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1415 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1416 (OBJS_Os_4_200): New variable.
1417 ($(T)libgcc-Os-4-200.a): Use it.
1418 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1419 when dividing 1 and/or by 0.
1421 2006-06-13 Roger Sayle <roger@eyesopen.com>
1423 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1424 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1425 * configure: Regenerate.
1427 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1429 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1430 for real instruction.
1432 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1435 * haifa-sched.c (check_cfg): Handle special case.
1437 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1440 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1441 Add debug_info parameter. Chain the vars to the BLOCK instead
1442 of the BIND_EXPR if debug info are requested for them.
1443 (pop_gimplify_context): Adjust for above change.
1444 (gimple_add_tmp_var): Likewise.
1445 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1447 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1448 (convert_local_reference): Likewise.
1449 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1450 (finalize_nesting_tree_1): Request that debug info be emitted
1451 for debug_var_chain.
1453 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1455 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1456 for PR target/27863.
1458 2006-06-13 Richard Guenther <rguenther@suse.de>
1461 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1463 2006-06-13 Richard Guenther <rguenther@suse.de>
1465 PR tree-optimization/27830
1466 * tree-inline.c (copy_body_r): For copying the operand
1467 of an ADDR_EXPR make sure to fold &* afterwards.
1469 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1471 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1472 lvalues in the fb_none case with side-effects.
1474 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1476 * tree-flow.h: Remove the prototype for
1477 compute_phi_arg_on_exit.
1478 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1479 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1482 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1484 * builtins.c (expand_builtin_return_addr): Only use
1485 frame_pointer_rtx when count == 0 and we are expanding
1486 __builtin_return_address.
1488 2006-06-12 Fred Fish <fnf@specifix.com>
1490 * config/mips/mips.c (mips_file_start): Create special section
1491 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1493 2006-06-11 Eric Christopher <echristo@apple.com>
1496 * stor-layout.c (place_field): Remove check for
1497 remaining_in_alignment when aligning at the end of a run.
1499 2006-06-11 Eric Christopher <echristo@apple.com>
1502 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1505 2006-06-11 Roger Sayle <roger@eyesopen.com>
1508 Revert incorrect fix for PR target/27158
1509 2006-05-08 Roger Sayle <roger@eyesopen.com>
1510 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1511 of a reg_equiv_constant if the result is a legitimate constant.
1513 2006-06-11 Roger Sayle <roger@eyesopen.com>
1516 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1517 extract a CONST_VECTOR element and interpret it as an integer.
1518 (vspltis_constant): Use const_vector_elt_as_int instead of the
1519 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1520 * config/rs6000/predicates.md (easy_vector_const): Consider
1521 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1523 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1526 * stor-layout.c (update_alignment_for_field): Don't add extra
1527 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1530 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1532 * config/mips/t-rtems: Add EL/EB multilib variants.
1534 2006-06-09 Mike Stump <mrs@apple.com>
1536 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1538 2006-06-09 David Daney <ddaney@avtrex.com>
1540 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1542 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1544 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1546 2006-06-09 Richard Guenther <rguenther@suse.de>
1548 PR tree-optimization/26998
1549 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1550 of signed types, only TYPE_MIN_VALUE is special, but for both,
1551 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1552 in this case, as is -fwrapv.
1554 2006-06-08 Mike Stump <mrs@apple.com>
1557 * config/darwin.c (darwin_asm_output_anchor): Disable
1558 -fsection-anchors on darwin for now.
1559 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1560 * rs6000/rs6000.c (optimization_options): Likewise.
1562 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1565 * config/i386/i386.c (classify_argument): Skip fields with invalid
1568 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1570 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1571 (cse_insn): Likewise for the stack_pointer_rtx.
1573 2006-06-08 Roger Sayle <roger@eyesopen.com>
1575 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1576 conditions from floating point comparisons.
1578 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1581 * expmed.c (struct alg_hash_entry): Fix type of field T
1582 to match synth_mult argument.
1583 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1585 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1588 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1591 2006-06-08 Richard Guenther <rguenther@suse.de>
1594 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1595 only, if overflow is defined and not trapping.
1596 (negate_expr): Likewise.
1598 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1600 PR tree-optimization/27872
1601 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1602 flag on the new exit edge of the unrolled loop.
1604 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1606 PR rtl-optimization/26449
1607 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1609 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1612 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1613 referenced_variables with matching DECL_UID's.
1614 (find_referenced_vars): Make sure duplicate list is empty to start.
1615 (referenced_var_p): Remove.
1616 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1617 Check if var is in the list, and add if needed. Update the duplicate
1618 list if a different var is in the list with the same DECL_UID.
1619 (add_referenced_var): Call routine to check and insert.
1620 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1621 * tree-flow.h (referenced_vars_dup_list): External declaration.
1623 2006-06-07 Fred Fish <fnf@specifix.com>
1625 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1628 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1631 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1632 the imaginary and real parts of a clobbered register.
1633 Emit insn to set the imaginary part.
1635 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1637 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1638 in lieu of unwind-dw2-fde.c.
1640 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1642 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1644 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1647 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1648 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1649 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1650 V4SImode temporaries and operations instead.
1652 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1654 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1657 2006-06-06 Mike Stump <mrs@apple.com>
1659 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1660 installing during build.
1662 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1664 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1666 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1667 * config/ia64/ia64.c (params.h): New header.
1668 (ia64_optimization_options): New function to adjust parameters.
1669 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1670 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1671 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1673 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1675 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1677 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1680 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1682 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1683 Victor Kaplansky <victork@il.ibm.com>
1685 PR tree-optimization/26360
1686 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1689 2006-06-04 Roger Sayle <roger@eyesopen.com>
1690 Andrew Pinski <pinskia@physics.uc.edu>
1693 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1694 for LABEL_DECL before calling DECL_WEAK.
1697 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1698 LABEL_DECL and PARM_DECL.
1700 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1704 * c-decl.c (grokdeclarator): Disallow variably modified types at
1705 file scope. Avoid marking shared array type of constant size as
1708 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1711 * c-common.c (fold_offsetof_1): Handle static members.
1713 2006-06-04 Eric Christopher <echristo@apple.com>
1715 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1716 (debug_rli): Output value for remaining_in_alignment.
1717 (update_alignment_for_field): Unconditionalize
1718 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1719 extra alignment code.
1720 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1721 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1722 * tree.h (record_layout_info_s): Remove prev_packed.
1723 * doc/extend.texi (ms_struct): Add documentation of format.
1725 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1727 * tree.h: Declare folding_initializer.
1728 * builtins.c (fold_builtin_constant_p): Give definite answer
1729 if folding inside an initializer.
1730 * fold-const.c: Define folding_initializer.
1731 (START_FOLD_INIT): Save and then set folding_initializer.
1732 (END_FOLD_INIT): Restore folding_initializer.
1734 2006-06-04 Richard Guenther <rguenther@suse.de>
1736 PR tree-optimization/27039
1737 * fold-const.c (fold_comparison): Handle pointer comparison
1738 again for all comparison codes. Compare offsets in signed
1740 (fold_binary): Move code from here.
1742 2006-06-03 Roger Sayle <roger@eyesopen.com>
1745 * config/i386/i386.c (construct_container): Split static issued_error
1746 flag into issued_sse_arg_error, issued_sse_ret_error and
1747 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1748 requires the use of x87 registers and the user explicitly
1749 specified the -mno-80387 command line option.
1751 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1753 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1754 HAVE_DECL_SIGALTSTACK.
1756 (segv_handler): Use MC_FLD.
1757 * configure.ac: Check for a sigaltstack declaration.
1758 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1759 * configure: Regenerate.
1760 * config.in: Regenerate.
1762 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1765 * Makefile.in (stmp-fixinc): Fix typo.
1767 2006-06-02 Roger Sayle <roger@eyesopen.com>
1769 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1770 are type correct. Clean-up.
1771 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1772 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1774 2006-06-01 DJ Delorie <dj@redhat.com>
1776 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1777 shift, as we've disabled the "switch" insn that needs it.
1779 2006-06-01 Per Bothner <bothner@bothner.com>
1781 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1782 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1783 * c-ppoutput.c (cb_define): Don't increment line 0.
1785 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1787 * doc/invoke.texi: Add cpu_type power6.
1788 * config.gcc: Add cpu_type power6.
1789 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1790 to power5+ with Altivec.
1791 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1792 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1794 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1796 * config/avr/avr.h (SET_ASM_OP): Define.
1798 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1800 * config/bfin/bfin.c: Fix comment typos.
1802 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1805 * doc/install.texi: Document --enable-bootstrap and
1806 --disable-bootstrap.
1808 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1810 * doc/install.texi: Document that InfoZIP can replace jar.
1812 2006-05-31 Roger Sayle <roger@eyesopen.com>
1814 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1815 isn't available, directly generate the simpler x87 patterns without
1816 the (use (const_int 0)).
1817 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1818 implementation isn't available.
1819 (*negdf2_1): Likewise.
1820 (*negxf2_1): XF mode negation is always done using the x87.
1821 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1823 2006-05-31 Roger Sayle <roger@eyesopen.com>
1825 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1826 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1828 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1830 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1832 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1833 * config/bfin/bfin.c (basic-block.h): Include.
1834 (struct machine_function): New.
1835 (bfin_init_machine_status): New.
1836 (override_options): Initialize init_machine_status.
1837 (bfin_hardware_loop): New.
1838 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1839 (DEF_VEC_P (loop_info)): New.
1840 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1841 (struct loop_info): New.
1842 (loop_info): New typedef.
1843 (struct loop_work): New.
1844 (loop_work): New typedef.
1845 (DEF_VEC_O (loop_work)): New.
1846 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1847 (bfin_dump_loops): New.
1848 (bfin_bb_in_loop): New.
1849 (bfin_scan_loop): New.
1850 (bfin_optimize_loop): New.
1851 (bfin_reorg_loops): New.
1852 (bfin_reorg): Use bfin_reorg_loops.
1853 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1855 (I_REGNO_P): Simplify.
1856 (DP_REGNO_P, DPREG_P): New macros.
1857 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1858 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1859 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1860 Add LT_REGS, LC_REGS, LB_REGS.
1861 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1863 (REGNO_REG_CLASS): Deal with loop registers.
1864 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1866 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1867 New constants for loop registers.
1868 (UNSPEC_LSETUP_END): New.
1869 (seq_insns): New define_attr. Set it for appropriate insns.
1870 (movsi_insn): Add alternatives for move from/to
1871 loop count registers.
1872 (doloop_end): New define_expand.
1873 (loop_end): New define_insn.
1874 (define_split for bad doloop_end): New.
1875 (lsetup_with_autoinit): New define_insn.
1876 (lsetup_without_autoinit): New define_insn.
1877 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1878 * config/bfin/predicates.md (lc_register_operand): New.
1879 (lt_register_operand): New.
1880 (lb_register_operand): New.
1881 (nondp_register_operand): New.
1882 (nondp_reg_or_memory_operand): New.
1883 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1885 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1887 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1888 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1890 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1892 * Makefile.in (CATALOGS): Add po/ prefix.
1893 * configure: Regenerated.
1895 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1898 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1899 a shift operand before calling shift_op. Avoid redundant call of
1902 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1903 DJ Delorie <dj@redhat.com>
1905 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1906 we're inserting is a singlt-bit constant.
1908 2006-05-30 Roger Sayle <roger@eyesopen.com>
1910 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1911 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1913 2006-05-30 Roger Sayle <roger@eyesopen.com>
1915 PR tree-optimization/23452
1916 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1917 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1918 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1919 complex values and with -ffast-math for FP complex values.
1921 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1923 * c-common.h: Remove the prototype for yyparse.
1924 * rtl.h: Remove the prototype for init_loop.
1926 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1928 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1931 2006-05-30 Roger Sayle <roger@eyesopen.com>
1933 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1935 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1936 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1938 2006-05-30 Dirk Mueller <dmueller@suse.de>
1941 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1942 for CONSTANT_CLASS_P expresisons.
1944 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1947 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1949 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1951 PR tree-optimization/27779
1952 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1953 initial_condition instead of CHREC_LEFT.
1955 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1957 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1958 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1959 Make prototypes ISO C90.
1961 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1962 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1964 * see.c (see_analyze_one_def): Correct check.
1965 (see_get_extension_data): Check if extension is parallel.
1966 (see_get_extension_reg): Likewise.
1968 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1971 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1972 into register for (code == GTU).
1974 2006-05-29 Roger Sayle <roger@eyesopen.com>
1976 PR tree-optimization/24964
1977 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1978 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1979 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1980 abs(x)*abs(x) as x*x for scalar floating point modes.
1982 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1985 * lambda-code.c (perfect_nestify): Don't copy statements
1986 in the inner loop: move them to the inner loop header.
1988 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1991 * c-tree.texi: Document OpenMP directives and clauses.
1993 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1995 * varasm.c (globalize_decl): Fix indentation.
1997 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2000 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2001 pass_fre, pass_store_ccp, pass_copy_prop,
2002 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2003 pass_return_slot, pass_object_size, pass_lim,
2004 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2005 pass_loop_prefetch and pass_stdarg.
2007 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2009 * config/bfin/bfin.opt (mfdpic): New option.
2010 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2011 (EXTRA_MULTILIB_PARTS): Likewise.
2012 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2013 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2015 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2016 (CRT_CALL_STATIC_FUNCTION): New.
2017 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2019 (CRT_CALL_STATIC_FUNCTION): New.
2020 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2022 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2023 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2024 (initialize_trampoline): Changed to handle FD-PIC code generation.
2025 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2026 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2027 (override_options): Disallow -mid-shared-library -mfdpic combination.
2028 Can't do unaligned ops if FD-PIC.
2029 Turn off flag_pic if trying to generate non-id-shared-library
2030 non-fdpic code, since it's not supported.
2031 (bfin_assemble_integer): New function.
2032 (TARGET_ASM_INTEGER): Define.
2033 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2035 * config/bfin/crtn.s: Restore them.
2036 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2038 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2039 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2040 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2041 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2042 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2044 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2045 FDPIC_REGS and FDPIC_FPTR_REGS.
2046 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2047 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2048 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2049 (load_funcdescsi): New pattern.
2050 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2051 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2052 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2054 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2056 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2059 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2061 * tree-flow.h: Remove the prototype for add_type_alias.
2062 * tree-ssa-alias.c (add_type_alias): Remove.
2064 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2066 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2067 config/fr30/fr30.md, config/i386/i386-interix.h,
2068 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2069 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2070 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2071 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2072 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2073 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2074 Follow spelling conventions.
2075 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2076 Follow spelling conventions.
2078 2006-05-27 Richard Guenther <rguenther@suse.de>
2081 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2082 to produce a constant of value 1 of generic type.
2084 2006-05-27 Dirk Mueller <dmueller@suse.de>
2086 * cgraphunit.c (decide_is_function_needed): Fix wrong
2089 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2091 PR rtl-optimization/27661
2092 * reload.c (find_reloads): When reloading a VOIDmode constant
2093 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2094 use Pmode as mode of the reload register.
2096 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2098 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2099 is enabled at -O and above.
2101 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2104 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2107 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2110 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2111 for anonymous variables explicitly declared by front ends.
2113 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2115 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2116 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2117 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2118 ref-all pointers, run a finalization pass for them.
2119 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2120 (finalize_ref_all_pointers): New function.
2121 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2122 regular pointer type to a ref-all pointer type.
2123 (get_tmt_for): Return the special memory tag for ref-all pointers.
2125 2006-05-25 Richard Guenther <rguenther@suse.de>
2128 * fold-const.c (fold_binary): Do not look at the stripped
2129 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2131 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2133 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2134 for LT and GT if the computed range is effectively empty.
2136 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2139 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2140 mips_quad_format formats instead of ieee_single_format,
2141 ieee_double_format and ieee_quad_format formats, respectively.
2143 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2145 PR tree-optimization/27639
2146 PR tree-optimization/26719
2147 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2148 call to scev_probably_wraps_p.
2149 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2150 used_in_pointer_arithmetic_p, convert_step): Removed.
2151 (nowrap_type_p): New function.
2152 (scev_probably_wraps_p): Rewritten.
2153 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2154 chrec_convert if chrec_convert_aggressive might have been used.
2155 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2156 scev_direction): New functions.
2157 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2158 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2159 instead of convert_step.
2160 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2161 (convert_step): Declaration removed.
2162 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2164 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2166 * df-core.c: Added to header comments.
2167 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2168 df_ur_bb_info, df_urec_bb_info): Added comments.
2169 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2170 urec, ri problems): Fixed header comments.
2171 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2172 code from df_rd_transfer_function.
2174 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2176 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2177 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2178 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2180 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2182 * expr.c (undefined_operand_subword_p): New.
2183 (emit_move_multi_word): Do not generate move from undefined bits
2184 of a paradoxical subreg.
2186 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2188 PR rtl-optimization/27736
2189 * combine.c (replaced_rhs_value): New variable.
2190 (combine_instructions): Set it.
2191 (distribute_notes): When distributing a note in replaced_rhs_insn,
2192 check whether the value was used in replaced_rhs_value.
2194 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2197 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2198 add_referenced_var instead of add_referenced_tmp_var.
2199 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2200 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2202 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2203 tree_optimize_tail_calls_1): Use add_referenced_var.
2204 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2205 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2206 Use add_referenced_var.
2207 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2208 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2209 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2210 Use add_referenced_var.
2211 * tree-dfa.c (struct walk_state): Remove.
2212 (find_referenced_vars): Remove walk state and vars_found hash table.
2213 (make_rename_temp): Use add_referenced_var.
2214 (find_vars_r): Pass less parameters to add_referenced_var.
2215 (referenced_var_p): New. Is var in referenced_var hash table.
2216 (referenced_var_insert): Assert var isn't already in hash table.
2217 (add_referenced_var): Don't need walk_state parameter. Add var if it
2218 isn't already in the hash table.
2219 (add_referenced_tmp_var): Remove.
2220 (find_new_referenced_vars_1): Use add_referenced_var.
2221 * tree-ssa-pre.c (create_expression_by_pieces,
2222 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2223 Use add_referenced_var.
2224 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2225 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2226 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2228 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2229 vect_create_data_ref_ptr, vect_create_destination_var,
2230 vect_init_vector, vect_build_loop_niters,
2231 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2232 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2233 Use add_referenced_var.
2234 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2235 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2236 (add_referenced_var): Add prototype.
2237 * tree-ssa-structalias.c (get_constraint_for,
2238 intra_create_variable_infos): Use add_referenced_var.
2240 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2242 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2243 big-endian paradoxical subregs.
2244 * var-tracking.c (struct micro_operation_def): Document that,
2245 for modify micro operations, insn is the subsequent instruction.
2246 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2247 (var_reg_set, var_mem_set): ... new functions.
2248 (add_stores): Record subsequent insn.
2249 (compute_bb_dataflow): Use new functions for MO_USE.
2250 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2251 notes after the insn, and modify notes before the insn known
2252 to be the subsequent one.
2253 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2255 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2258 * config/i386/i386.c (ix86_expand_builtin): Use
2259 gen_sse3_monitor64 for TARGET_64BIT.
2261 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2263 PR rtl-optimization/26375
2264 PR rtl-optimization/26855
2265 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2267 (df_ru_bb_local_compute): Reversed statements and removed bogus
2268 comment explaining why they should be in wrong order.
2269 (df_ru_dump, df_rd_dump): Enhanced debug info.
2270 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2272 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2273 reaching uses and fixed space problem.
2275 2006-05-23 Jan Hubicka <jh@suse.cz>
2277 * cgraphunit.c (decide_is_function_needed): Also nested functions
2278 and functions declared inline can be optimized out at -O0.
2280 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2282 * doc/install.texi (Configuration): Remove reference to CrossGCC
2286 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2289 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2290 ix86_compare_emitted is non-NULL.
2292 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2295 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2298 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2300 PR rtl-optimization/25514
2301 * combine.c (replaced_rhs_insn): New variable.
2302 (combine_instructions): Set replaced_rhs_insn when trying to replace
2303 a SET_SRC with a REG_EQUAL note.
2304 (distribute_notes): Use replaced_rhs_insn when determining the live
2305 range of a REG_DEAD register.
2307 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2308 Anatoly Sokolov <aesok@post.ru>
2310 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2311 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2312 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2313 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2314 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2315 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2316 at90usb647, at90usb1286 and at90usb1287 devices.
2317 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2318 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2320 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2322 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2324 2006-05-22 Richard Guenther <rguenther@suse.de>
2327 2006-01-31 Richard Guenther <rguenther@suse.de>
2328 Paolo Bonzini <bonzini@gnu.org>
2330 * doc/install.texi (--disable-libgcc-math): Document.
2332 2006-05-22 Richard Guenther <rguenther@suse.de>
2335 2006-01-31 Richard Guenther <rguenther@suse.de>
2337 * doc/invoke.texi (-msselibm): Document.
2338 * target.h (expand_library_builtin): New target hook.
2339 * builtins.c (expand_builtin): Use expand_library_builtin.
2340 (default_expand_library_builtin): New function.
2341 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2342 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2343 (link_gcc_math_spec): Declare.
2344 (static_specs): Add link_gcc_math_spec.
2345 * expr.h (default_expand_library_builtin): Declare.
2346 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2347 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2348 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2349 * config/i386/i386.opt (msselibm): New target option.
2350 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2351 (ix86_init_sse_abi_builtins): New function.
2352 (ix86_expand_library_builtin): Likewise.
2353 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2354 (override_options): Handle error conditions wrt -msselibm.
2355 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2356 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2357 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2360 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2363 * c-common.c (self_promoting_args_p): Skip erroneous args.
2366 * c-decl.c (finish_struct): Skip erroneous fields.
2368 2006-05-22 Nick Clifton <nickc@redhat.com>
2370 * config/cris/cris.opt (march): Remove VarExists attribute.
2371 (max-stackframe=): Likewise.
2373 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2375 * doc/rtl.texi: Fix a typo.
2376 * see.c: Fix comment typos.
2378 * tree-ssa-structalias.h (alias_info): Remove num_references.
2380 2006-05-21 Mike Stump <mrs@apple.com>
2382 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2384 (darwin_pragma_options): Use BAD instead.
2385 (darwin_pragma_unused): Likewise.
2386 (darwin_pragma_ms_struct): Likewise.
2388 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2390 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2392 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2394 PR rtl-optimization/27671
2395 * simplify-rtx.c (simplify_relational_operation_1): Fix
2396 simplifications of (eq/ne (xor x y) y) and
2397 (eq/ne (xor x y) x).
2399 PR tree-optimization/26622.
2400 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2403 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2405 * tree-cfg.c: Prune whitespace.
2406 (debug_tree_cfg): Point to correct header containing the
2409 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2412 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2414 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2417 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2418 or sorry count is non zero.
2420 2006-05-20 Andreas Schwab <schwab@suse.de>
2422 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2424 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2425 Kenneth Zadeck <zadeck@naturalbridge.com>
2427 PR rtl-optimization/26855
2429 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2431 (df_scan_alloc): Added code to properly handle multiword hard
2432 registers and add all_blocks parameter.
2433 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2434 code to properly handle multiword hard registers.
2435 (df_rescan_blocks): Added code to remove deleted blocks from
2437 (df_ref_create_structure, df_ref_record): Added code to properly
2439 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2440 and set DF_REF_PARTIAL.
2441 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2442 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2443 (df_scan_add_problem): Added flags parameter.
2444 (df_ref_create_structure): Changed switching structure.
2445 (df_bb_refs_record): Fixed case where duplicate artificial refs
2446 were created. Changed location of flags.
2447 (df_record_entry_block_defs): Added code to make stack pointer
2448 live in entry block. Refined cases where frame pointer is needed.
2449 Changed location of flags.
2450 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2451 (df_set_state): Removed function.
2452 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2453 df_insn_create_insn_record, df_insn_refs_delete,
2454 df_ref_create_structure): Formatting changes.
2455 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2456 df_delete_basic_block): New function.
2457 (df_init): Changed location of flags.
2458 (df_add_problem): Added flags parameter and the way flags are
2460 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2461 debug_df_chain): Improved debugging output.
2462 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2463 (df_refs_chain_dump): Removed df parameter.
2464 (df_iterative_dataflow): Added consistency check.
2465 (df_prune_to_subcfg): Made public.
2466 (df_analyze_problem): Added blocks_to_init parameter and made
2468 (df_ref_record, df_bb_refs_record, df_mark_reg,
2469 df_record_exit_block_uses): Whitespace changes.
2470 (df_dump): Whitespace changes.
2471 * df.h: Some reordering to remove forward references.
2472 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2473 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2474 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2475 (dataflow.flags): New field.
2476 (df.flag): Deleted field.
2477 (df_alloc_function): Added additional bitmap parameter.
2478 (df_dependent_problem_function): New type.
2479 (df_problem.changeable_flags): New field.
2480 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2481 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2482 (df_mw_hardreg): New struct.
2483 (DF_INSN_UID_MWS): New macro.
2484 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2486 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2487 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2488 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2489 (df_set_state): Removed function.
2490 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2491 * df-problems.c (df_chain_dump): Removed df parameter.
2492 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2493 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2495 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2496 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2497 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2498 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2499 DF_REF_MUST_CLOBBER cases.
2500 (df_ru_bb_local_compute_process_def,
2501 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2502 df_lr_bb_local_compute, df_ur_bb_local_compute,
2503 df_chain_create_bb): Made subreg aware.
2504 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2505 df_lr_bb_local_compute, df_lr_bb_local_compute,
2506 df_chain_create_bb): Cleanup to use proper macros.
2507 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2508 code to fixup bitvectors.
2509 (df_ri_alloc): Cleared lifetime.
2510 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2511 df_create_unused_note): New function.
2512 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2513 REG_DEAD and REG_UNUSED notes as well as register information.
2514 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2515 df_chains_dump): Fixed crash if problem was never run.
2516 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2517 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2518 df_ri_add_problem): Processes flags in uniform manner.
2519 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2520 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2521 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2522 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2523 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2524 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2525 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2526 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2527 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2528 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2529 * see.c (see_initialize_data): Ditto.
2530 * final.c (rest_of_clean_state) Added regstack_completed.
2531 * rtl.h (regstack_completed): Ditto.
2532 * reg-stack.c (regstack_completed): Ditto.
2534 2006-05-19 Mike Stump <mrs@apple.com>
2536 * c-tree.h (default_conversion): Remove.
2537 * c-common.h (default_conversion): Add.
2539 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2541 * tree-vrp.c (valid_value_p): New function.
2542 (adjust_range_with_scev): Fail if the value of bound is not
2545 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2547 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2548 (mips_fallback_frame_state): Use syscall numbers to determine
2549 the appropriate li instruction for the current ABI. Only use
2550 __NR_sigreturn for o32.
2552 2006-05-19 Nicolas Setton <setton@adacore.com>
2554 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2555 * langhooks.c (lhd_dwarf_name): New function.
2556 * langhooks-def.h (lhd_dwarf_name): Declare.
2557 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2558 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2559 * ada/misc.c (gnat_dwarf_name): New function.
2560 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2562 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2564 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2566 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2567 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2568 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2569 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2570 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2571 determine the size of Wtype, etc.
2572 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2573 (swfloatfuncs): New variable.
2574 (dwfloatfuncs): Likewise.
2575 (lib2funcs): Remove floating-point conversion functions from
2576 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2577 the set of conversion routines needed. Allow entries to specify
2578 an object name, filename and word size. Update users accordingly.
2579 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2580 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2584 2006-02-08 Roger Sayle <roger@eyesopen.com>
2587 * config/fixtfdi.c: New libgcc source file.
2588 * config/fixunstfdi.c: New source file.
2589 * config/floatditf.c: New source file.
2590 * config/floatunditf.c: New souce file.
2591 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2592 files above instead of config/mips/_tilib.c.
2593 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2595 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2597 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2598 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2600 2006-05-18 Mike Stump <mrs@apple.com>
2602 Fix up vla, vm and [*] sematics.
2608 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2609 (c_vla_unspec_p): Add.
2610 (c_vla_type_p): Add.
2611 * c-decl.c (struct c_scope): Add had_vla_unspec.
2612 (build_array_declarator): Add support for [*].
2613 (grokdeclarator): Likewise.
2614 (grokparms): Likewise.
2615 (get_parm_info): Likewise.
2616 * c-objc-common.c (c_vla_unspec_p): Likewise.
2617 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2618 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2619 typeof when argument is a variably modified type not inside sizeof or alignof.
2620 (c_parser_direct_declarator_inner): Propagate errors.
2621 (c_parser_sizeof_expression): Add support for [*].
2622 (c_parser_parms_declarator): Initialize had_vla_unspec.
2623 (c_parser_parms_list_declarator): Likewise.
2624 * c-typeck.c (c_vla_type_p): Add.
2625 (composite_type): Add support for vla compositing.
2626 (comptypes_internal): Add support for vla compatibility.
2627 (c_expr_sizeof_expr): Evaluate vla arguments.
2628 * tree.c (variably_modified_type_p): Update comment for [*].
2630 2006-05-18 Michael Matz <matz@suse.de>
2633 * config.host: Make assignments to host_xmake_file cumulative.
2634 * config.host (*-darwin*): Test $host, not $target.
2636 2006-05-12 Stuart Hastings <stuart@apple.com>
2638 * config/i386/i386.opt (-mstackrealign): New flag.
2639 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2640 (ix86_handle_cconv_attribute): Emit error when
2641 force_align_arg_pointer attribute collides with too many regparms.
2642 (ix86_function_regparm): Limit regparms when used with
2643 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2644 Support stack-realigning prologue in non-main functions. Emit
2645 warning for nested functions under -mstackrealign, emit error for
2646 nested functions with force_align_arg_pointer attribute.
2647 * doc/extend.texi (force_align_arg_pointer): Document it.
2648 * doc/invoke.texi (-mstackrealign): Document it.
2650 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2652 PR rtl-optimization/27477
2653 * combine.c (try_combine): Don't split a parallel consisting
2654 of two sets into two individual sets if both sets reference
2657 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2659 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2660 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2662 * doc/options.texi (VarExists): Updated.
2664 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2666 * unwind-dw2.c: Add declarations for uw_update_context and
2668 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2669 detected, advance frame state and context once to skip over stub.
2671 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2675 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2676 Call rewrite_into_loop_closed_ssa only when something changed.
2677 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2678 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2679 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2680 Test for perfect_nest_p here. Fix formating.
2681 (replace_uses_equiv_to_x_with_y): Fix formating.
2682 (stmt_uses_op): Removed.
2683 (can_convert_to_perfect_nest): Removed loopivs parameter.
2684 Complete the test by checking the scalar dependences.
2685 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2688 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2691 From Dan Kegel <dank@kegel.com>:
2692 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2694 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2696 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2697 if the element type is variably modified without recursing.
2699 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2702 * tree-loop-linear.c (try_interchange_loops): Test for
2703 no data dependences.
2705 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2707 PR tree-optimization/27548
2708 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2709 range of ssa names that appear on abnormal edges.
2710 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2711 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2713 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2716 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2718 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2721 * tree.h (OMP_PARALLEL_COMBINED): Define.
2722 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2723 (new_omp_context): Add is_combined_parallel argument.
2724 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2725 new_omp_context caller.
2726 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2727 Adjust gimplify_scan_omp_clauses callers.
2728 (omp_is_private): Issue errors if iteration variable is firstprivate
2729 or reduction in the current context.
2730 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2731 on combined parallel workshare constructs.
2733 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2735 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2736 (gcc-options.o): New rule.
2738 * optc-gen.awk: Protect variables for gcc-options.o with
2739 #ifdef GCC_DRIVER/#endif.
2741 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2743 Fix PR tree-optimization/27373
2744 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2745 (forward_propagate_addr_expr): Update call.
2747 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2749 * doc/options.texi: Move the Negative option.
2751 2006-05-16 Richard Guenther <rguenther@suse.de>
2753 PR tree-optimization/22303
2754 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2756 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2757 ccp_fold did not simplify the statement.
2759 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2762 * Makefile.in (GCC_OBJS): New.
2763 (OBJS-common): Add opts-common.o.
2764 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2765 (cpp$(exeext)): Likewise.
2766 (gcc.o): Also depend on opts.h.
2767 (opts-common.o): New.
2769 * common.opt (gcoff): Add Negative(gdwarf-2).
2770 (gdwarf-2): Add Negative(gstabs).
2771 (gstabs): Add Negative(gstabs+).
2772 (gstabs+): Add Negative(gvms).
2773 (gvms): Add Negative(gxcoff).
2774 (gxcoff): Add Negative(gxcoff+).
2775 (gxcoff+): Add Negative(gcoff).
2776 * config/i386/i386.opt (m32): Add Negative(m64).
2777 (m64): Add Negative(m32).
2779 * doc/options.texi: Document the Negative option.
2781 * gcc.c: Include "opts.h".
2782 (main): Call prune_options after expandargv.
2784 * optc-gen.awk: Generate common declarations for all flag
2785 variables in options.c. Output the neg_index field.
2787 * opts.c (find_opt): Moved to ...
2788 * opts-common.c: Here. New file.
2790 * opts.h (cl_option): Add a neg_index field.
2792 (prune_options): Likewise.
2794 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2797 * omp-low.c (expand_omp_parallel): Don't assert
2798 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2799 instead search for it.
2802 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2805 2006-05-16 Andreas Schwab <schwab@suse.de>
2807 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2810 2006-05-15 Roger Sayle <roger@eyesopen.com>
2813 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2814 integer constants other than zero are only legitimate on TARGET_64BIT.
2815 <CONST_VECTOR> Only zero vectors are legitimate.
2816 (ix86_cannot_force_const_mem): Integral and vector constants can
2817 always be put in the constant pool.
2819 2006-05-16 DJ Delorie <dj@redhat.com>
2821 * crtstuff.c (__dso_handle): Set section from
2822 TARGET_LBIGCC_SDATA_SECTION if defined.
2823 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2824 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2826 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2829 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2832 2006-05-16 Ben Elliston <bje@au.ibm.com>
2834 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2836 2006-05-15 Per Bothner <per@bothner.com>
2838 * tree.c: (last_annotated_node): Use source_locus typedef.
2839 This permits bootstrapping with --enable-mapped-location.
2841 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2843 PR tree-optimization/26830
2844 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2845 (info_for_ssa_name, current_info_for_ssa_name_age,
2846 blocks_to_update): New variables.
2847 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2848 (clear_ssa_name_info, initialize_flags_in_bb,
2849 mark_block_for_update): New functions.
2850 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2851 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2852 prepare_def_site_for): Use mark_block_for_update.
2853 (mark_def_interesting): Assert that the processed block is marked in
2854 blocks_to_update. Do not take blocks argument.
2855 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2857 (rewrite_update_init_block, rewrite_update_stmt): Only process
2858 blocks with statements to rewrite.
2859 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2860 (update_ssa): Initialize and free blocks_to_update. Do not
2861 clear flags on statements. Do not use blocks bitmap.
2862 * tree.h (SSA_NAME_AUX): Removed.
2863 (struct tree_ssa_name): Removed aux field.
2864 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2866 2006-05-15 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/27603
2869 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2870 Do computations in original type.
2872 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2874 * see.c: Code style changes such as redundant paranthesis,
2875 redundant intialization of local variables etc.
2876 (see_main): Declared now as static.
2877 * doc/invoke.texi: Update that -fsee is not enabled by
2880 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2882 * omp-low.c (check_omp_nesting_restrictions): New function.
2883 (scan_omp_1): Call it.
2886 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2887 construct, return *VAR.
2889 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2891 PR rtl-optimization/27406
2892 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2895 2006-05-14 Roger Sayle <roger@eyesopen.com>
2897 PR rtl-optimization/27538
2898 * combine.c (expand_compound_operation): Call gen_lowpart
2899 before calling simplify_shift_const.
2901 2006-05-14 Roger Sayle <roger@eyesopen.com>
2903 PR rtl-optimization/22563
2904 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2905 a fixed width bitfield, always force the intermediates into psuedos.
2907 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2910 * mkconfig.sh: Use operator = instead of == for test.
2912 2006-05-13 Nick Clifton <nickc@redhat.com>
2914 * dwarf2out.c (dbx_reg_number): Check return value from
2915 LEAF_REG_REMAP and only use it if it is valid.
2916 (multiple_reg_loc_descriptor): Likewise.
2918 2006-05-13 Richard Guenther <rguenther@suse.de>
2920 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2923 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2925 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2926 information attached to non-INSNs such as NOTEs.
2927 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2929 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2931 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2933 * config/s390/s390.md: Adjust comment describing On constraint.
2935 2006-05-11 Jan Hubicka <jh@suse.cz>
2937 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2938 to be output at -O0.
2940 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2943 * fold-const.c (size_binop): Move sanity check for arguments to
2944 the beginning of the function.
2947 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2950 2006-05-11 Richard Guenther <rguenther@suse.de>
2953 * fold-const.c (fold_unary): Handle intermediate conversion
2954 to a pointer type like intermediate conversion to an integer
2955 type in folding of (T1)(T2)var to var.
2956 Match the code to the comment in the final conversion for
2957 (T1)(T2)var to (T1)var regarding to type precision. Rather
2958 than disallow T1 being of pointer type, assert that both T1
2959 and var are of pointer type or not. Make sure not to fall
2960 over the frontends lazyness wrt array to pointer decay though.
2962 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2964 * arm.c (arm_struct_value_rtx): Delete.
2965 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2966 (arm_init_cumulative_args): Always initialize nregs to zero.
2968 2006-05-10 Richard Guenther <rguenther@suse.de>
2970 PR tree-optimization/27532
2971 * tree-object-size.c (plus_expr_object_size): Fix typo.
2973 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2976 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2977 ashrdi_const, ashrdi3): Use a scratch register.
2979 2006-05-10 Richard Guenther <rguenther@suse.de>
2981 PR tree-optimization/27302
2982 * fold-const.c (operand_equal_p): For two comparisons,
2983 try comparison of one comparison code swapped if that yields
2986 2006-05-10 Ben Elliston <bje@au.ibm.com>
2988 * tree-pretty-print.c (pretty_print_string): No need to handle
2989 '\0' as a special character.
2991 * tree.h: Include "hashtab.h".
2992 (iterative_hash_expr): Use hashval_t in its prototype.
2993 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2995 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2998 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2999 (hppa*64*-*-hpux11*): Ditto.
3000 (hppa[12]*-*-hpux11*): Ditto.
3002 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3005 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3007 2006-05-09 Michael Matz <matz@suse.de>
3009 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3010 host_extra_gcc_objs and host_xmake_file.
3011 (<*-*-linux*>): Don't overwrite host_xmake_file.
3012 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3013 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3014 (host_detect_local_cpu): Declare.
3015 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3016 * config/i386/i386.c (override_options): Handle -mtune=native
3018 * config/i386/x-i386: New file.
3019 * config/i386/driver-i386.c: New file.
3020 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3023 2006-05-09 Dirk Mueller <dmueller@suse.de>
3024 Richard Guenther <rguenther@suse.de>
3027 * fold-const.c (fold_read_from_constant_string): Relax check
3028 for matching types to matching modes.
3030 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3032 PR rtl-optimization/27335
3033 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3036 2006-05-08 Chao-ying Fu <fu@mips.com>
3037 Richard Sandiford <richard@codesourcery.com>
3039 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3040 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3041 * config/mips/mips.md (UNSPEC_SCC): New constant.
3042 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3043 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3044 (mips_emit_compare): Use it.
3045 (mips_expand_vcondv2sf): New function.
3047 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3049 Fix PR tree-optimization/27093
3050 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3051 renaming when they become not-used_alone.
3053 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3055 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3056 relocation and relocation stubs.
3058 2006-05-08 Eric Christopher <echristo@apple.com>
3060 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3063 2006-05-08 Jan Hubicka <jh@suse.cz>
3066 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3067 unused static functions are needed.
3069 2006-05-08 Roger Sayle <roger@eyesopen.com>
3072 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3073 of a reg_equiv_constant if the result is a legitimate constant.
3075 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3078 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3079 standard 80387 constants, raise the cost to prevent
3080 compress_float_constant() to generate load from memory.
3082 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3084 * config/arm/constraints.md (c): Fix a typo.
3086 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3089 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3092 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3094 (_mm_mwait): Likewise.
3096 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3098 (sse3_monitor): Make it 32bit only.
3099 (sse3_monitor64): New. 64bit monitor.
3101 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3104 * config/i386/i386.c (classify_argument): Skip fields with invalid
3107 2006-05-07 Richard Guenther <rguenther@suse.de>
3109 PR tree-optimization/27409
3110 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3111 Do not try to find zero-sized subvars.
3113 2006-05-07 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/27136
3116 * tree-ssa-loop-niter.c (get_val_for): Correct function
3117 comment, assert requirements.
3118 (loop_niter_by_eval): Stop processing if the iterated
3119 value did not simplify.
3121 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3123 * opts.c (flag_see): remove its setting at -O3.
3125 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3127 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3128 * arm/constraints.md: New file.
3129 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3130 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3131 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3132 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3133 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3134 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3135 * arm.md: Include constraints.md.
3136 (thumb_movsi_insn): Use satisfies_constraint_J.
3137 (movhi, movqi): Use satisfies_constraint_I.
3139 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3141 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3142 for atmeg a645 device.
3144 2006-05-06 Richard Guenther <rguenther@suse.de>
3146 PR tree-optimization/27151
3147 * tree-vect-transform.c (vectorizable_condition): Punt on
3148 values that have a different type than the condition.
3150 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3153 * c-parser.c (c_parser_cast_expression): Only insert casts into
3154 hash table if pointer.
3155 * function.c (used_types_insert_helper): Rename from
3157 (used_types_insert): Call used_types_insert_helper.
3158 * function.h (used_types_insert): Accept only one argument.
3160 2006-05-05 David Edelsohn <edesohn@gnu.org>
3162 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3163 scratch with output modifier.
3165 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3168 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3169 with output modifier.
3171 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3174 * config/mips/mips.c (mips_symbolic_address_p): Return true
3175 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3176 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3178 2006-05-04 Richard Guenther <rguenther@suse.de>
3180 PR tree-optimization/14287
3181 PR tree-optimization/14844
3182 PR tree-optimization/19792
3183 PR tree-optimization/21608
3184 PR tree-optimization/27090
3185 * tree-ssa-pre.c (try_combine_conversion): New function.
3186 (compute_avail): After constructing the value-handle
3187 expression, use try_combine_conversion to combine NOP_EXPRs
3188 with previous value-handle expressions and use the result if it
3191 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3193 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3195 2006-05-04 Jan Hubicka <jh@suse.cz>
3198 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3200 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3202 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3203 that this only matches CONST_INTs. All users changed to VOIDmode
3206 * config/bfin/bfin.c: Include "optabs.h".
3207 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3209 (enum bfin_builtins): Add a number of fractional and vector builtins.
3210 (bfin_init_builtins): Likewise.
3211 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3212 (safe_vector_operand, bfin_expand_binop_builtin,
3213 bfin_expand_unop_builtin): New functions.
3214 (bfin_expand_builtin): Handle the new builtins.
3215 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3218 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3221 * Makefile.in (OBJS-common): Add see.o.
3222 (see.o): Add dependencies.
3223 * common.opt (fsee): New flag for the see optimization was added.
3224 * opts.c (flag_see): Initialized.
3225 * passes.c (init_optimization_passes, pass_see): New pass.
3226 * rtl.h (see_main): Declaration as extern.
3227 * timevar.def (TV_SEE): New.
3228 * tree-pass.h (pass_see): Declaration as extern.
3229 * invoke.texi (-fsee): Document.
3230 * recog.c (validate_simplify_insn): New function.
3231 * recog.h (validate_simplify_insn): Declaration as extern.
3232 * df-problems.c (df_chain_dump): Check for NULL.
3234 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3235 Daniel Berlin <dberlin@dberlin.org>
3237 * cfgrtl.c (insert_insn_bb_end_new): New function.
3238 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3240 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3242 * df.h (struct web_entry): Moved from web.c.
3243 (union_defs): Declaration as extern.
3244 (unionfind_root): Likewise.
3245 (unionfind_union): Likewise.
3246 * web.c (struct web_entry): Moved to df.h.
3247 (unionfind_root): Remove static declaration.
3248 (unionfind_union): Likewise.
3249 (union_defs): Likewise and generalize to use callback function.
3250 (web_main): Update arguments for union_defs function call.
3252 2006-05-04 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/26447
3255 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3256 produce SSA_NAME copies before the store stmt to avoid
3257 breaking exception handling.
3259 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3262 * gimplify.c (omp_is_private): If var is shared in some outer context,
3263 return false instead of true. Stop searching on parallel context
3266 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3269 * coverage.c: Use get_gcov_unsigned_t() instead of
3270 unsigned_type_node all over.
3272 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3274 PR tree-optimization/27381
3275 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3276 maintain the same immediate_use links.
3277 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3278 node rather than segfaulting.
3280 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3283 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3284 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3285 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3287 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3289 Fix PR tree-optimization/26626
3290 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3292 * tree-ssa-operands.c (access_can_touch_variable): Allow
3293 typecasting through union pointers.
3295 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3298 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3299 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3300 to find if var will be a global variable even in the nested context.
3301 (omp_copy_decl): Only check for global variable at the end, it might
3302 be overridden in outer contexts.
3303 (scan_sharing_clauses): For global variables don't create a field.
3304 (lower_rec_input_clauses): Do nothing for global shared variables.
3305 Emit a barrier at the end of ILIST if there were any decls in both
3306 firstprivate and lastprivate clauses.
3307 (lower_send_clauses): Do nothing for global variables except for
3310 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3312 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3313 of the correct signedness is returned.
3315 2006-05-02 Jeff Law <law@redhat.com>
3317 PR tree-optimization/27364
3318 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3319 multiply expressions.
3321 2006-05-02 Tom Tromey <tromey@redhat.com>
3323 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3325 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3328 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3329 -mthumb -fPIC are used.
3331 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3332 Joshua Kinard <kumba@gentoo.org>
3335 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3336 with 64-bit pointers.
3338 2006-05-02 Paul Brook <paul@codesourcery.com>
3340 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3342 (create_fix_barrier): Check that a suitable barrier location is
3344 (arm_reorg): Include ftmp->address in allowable range of addresses.
3346 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3349 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3352 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3355 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3356 around RESULT_DECL for result passed by reference.
3357 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3358 * omp-low.c (use_pointer_for_field): Don't look at
3359 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3360 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3361 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3362 time or var for passing by reference for
3363 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3364 TREE_ADDRESSABLE variables when passing by reference.
3366 * omp-low.c (dump_omp_region): Fix output formatting.
3369 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3370 (expand_omp_parallel): Likewise.
3371 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3374 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3375 on statement list containing also constructors and destructors.
3376 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3379 * except.c (duplicate_eh_regions): Fix clearing of
3380 cfun->eh->region_array entries.
3382 2006-05-01 DJ Delorie <dj@redhat.com>
3384 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3386 (gcc_cv_objdump): Likewise.
3387 * configure: Regenerated.
3389 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3392 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3393 templates for case 3 and 4.
3395 2006-05-01 DJ Delorie <dj@redhat.com>
3397 * vec.c: Include bconfig.h when appropriate.
3398 * Makefile.in (build/vec.o): Adjust dependencies.
3399 * mkconfig.sh: Make sure config.h isn't used for build machine
3402 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3404 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3406 (mark_phi_for_rewrite): New function.
3407 (insert_phi_nodes_for, mark_use_interesting): Call
3408 mark_phi_for_rewrite.
3409 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3410 (update_ssa): Initialize and free phis_to_rewrite.
3412 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3414 PR rtl-optimization/27291
3415 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3416 folded to a constant.
3418 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3420 PR tree-optimization/27283
3421 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3422 not whole # of iteration descriptions.
3423 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3424 uses abnormal ssa name.
3425 (niter_for_single_dom_exit): Ditto.
3426 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3427 return just the number of iterations.
3429 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3431 PR tree-optimization/27144
3432 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3433 (record_estimate): Only record constant upper bound.
3434 (infer_loop_bounds_from_undefined): Call
3435 compute_estimated_nb_iterations just once.
3436 (proved_non_wrapping_p): Renamed to ...
3437 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3438 (convert_step_widening, scev_probably_wraps_p): Call
3439 n_of_executions_at_most instead of proved_non_wrapping_p.
3440 (substitute_in_loop_info): Do not replace values in bounds.
3441 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3444 2006-05-01 Richard Henderson <rth@redhat.com>
3447 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3448 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3451 2006-05-01 Roger Sayle <roger@eyesopen.com>
3453 * c-typeck.c (parser_build_binary_op): Don't call the function
3454 unsigned_conversion_warning to spot operand/result type overflow.
3455 (build_binary_op): Instead, call convert_and_check instead of
3456 convert to report the problem when the operands are promoted.
3457 * c-common.c (unsigned_conversion_warning): Make static.
3458 * c-common.h (unsigned_conversion_warning): Delete prototype.
3460 2006-05-01 Richard Guenther <rguenther@suse.de>
3462 PR tree-optimization/26726
3463 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3465 (find_interesting_uses_address): ... we work around here
3466 by folding INDIRECT_REFs in the substituted base.
3468 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3470 * omp-low.c (dump_omp_region): Add newlines.
3472 2006-04-30 Roger Sayle <roger@eyesopen.com>
3474 * common.opt (Woverflow): New command line option.
3475 * c-common.c (constant_expression_warning): Check warn_overflow.
3476 (overflow_waring): Pass OPT_Woverflow to warning.
3477 (unsigned_conversion_warning): Likewise.
3478 (convert_and_check): Likewise.
3479 * doc/invoke.texi: Document new command line option.
3481 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3483 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3484 TARGET_NO_FP_IN_TOC for section anchors.
3485 (optimization_options): Enable section anchors for all
3486 non-"Objective" languages.
3488 2006-04-28 Eric Christopher <echristo@apple.com>
3490 * config/darwin-c.c (darwin_ms_struct): Move this
3491 (darwin_set_default_type_attributes): and this...
3492 * config/darwin.c: ... here.
3493 * config/darwin.h (darwin_ms_struct): Declare.
3495 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3499 2006-04-28 Roger Sayle <roger@eyesopen.com>
3502 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3503 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3504 an unsigned HOST_WIDE_INT.
3505 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3507 (really_start_incremental_init): No need to call convert because
3508 bitsize_zero_node is already of type bitsizetype.
3509 (push_init_level): Extract the value of constructor_index as an
3510 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3511 (process_init_element): Likewise.
3513 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3515 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3516 value before passing to make_relative_prefix.
3518 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3521 * builtins.c (expand_builtin_memset): Expand val in original mode.
3523 2006-04-27 Eric Christopher <echristo@apple.com>
3525 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3526 with #ifndef/#endif.
3527 * config/darwin-c.c (darwin_ms_struct): New.
3528 (darwin_pragma_ms_struct): Ditto.
3529 (darwin_set_default_type_attributes): Ditto.
3530 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3531 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3532 Register ms_struct pragma.
3533 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3534 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3535 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3536 darwin_set_default_type_attributes if TARGET_MACHO.
3538 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3540 PR tree-optimization/26854
3541 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3542 * doc/tree-ssa.texi: Update immuse iterator documentation.
3543 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3545 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3546 first_safe_imm_use, next_safe_imm_use): Remove.
3547 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3548 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3549 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3550 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3551 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3552 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3553 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3554 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3555 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3556 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3557 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3558 (perfect_nestify): Use new iterator.
3559 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3561 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3562 (next_imm_name): New field in struct immediate_use_iterator_d.
3563 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3564 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3565 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3566 * tree-cfg.c (replace_uses_by): Use new iterator.
3567 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3568 * tree-ssa-operands.c (correct_use_link): Remove.
3569 (finalize_ssa_use_ops): No longer call correct_use_link.
3571 2006-04-27 Stuart Hastings <stuart@apple.com>
3573 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3574 * config/t-darwin (crt3.o): Use it.
3575 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3576 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3577 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3578 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3579 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3582 2006-04-27 Roger Sayle <roger@eyesopen.com>
3584 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3585 size, force the intermediate into a new pseudo rather instead of
3586 performing both a bitwise AND and a bitwise IOR in memory.
3588 2006-04-27 Richard Guenther <rguenther@suse.de>
3590 PR rtl-optimization/26685
3591 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3592 this one "max-flow-memory-locations".
3594 2006-04-27 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/25148
3597 * tree-vrp.c (compare_values): Remove code dealing with
3598 comparisons against type min/max value. Honour overflow
3599 and negative constants in code dealing with comparisons
3600 of plus and minus expressions.
3601 (value_inside_range): Use fold_binary with LE_EXPR and
3602 GE_EXPR rather than compare_values.
3604 2006-04-27 Dirk Mueller <dmueller@suse.de>
3606 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3609 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3611 * basic-block.h (safe_insert_insn_on_edge): Removed.
3612 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3614 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3615 Paolo Bonzini <bonzini@gnu.org>
3618 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3619 (simplify_and_const_int): Same.
3621 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3623 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3625 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3628 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3629 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3630 cgraph_global_info_ready.
3633 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3636 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3637 either decl or init is error_mark_node.
3640 * tree-flow.h (struct omp_region): Add sched_kind.
3641 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3642 instead of extracting omp for data.
3643 (expand_omp_for): Save extracted sched_kind.
3645 2006-04-25 Roger Sayle <roger@eyesopen.com>
3647 * expmed.c (store_bit_field): Also check whether the bitsize is
3648 valid for the machine's "insv" instruction before moving the
3649 target into a pseudo for use with the insv.
3650 * config/i386/predicates.md (const8_operand): New predicate.
3651 * config/i386/i386.md (extv, extzv, insv): Use the new
3652 const8_operand predicate where appropriate.
3654 2006-04-25 DJ Delorie <dj@redhat.com>
3656 * doc/install.texi (Specific): Clarify that this is not a list of
3657 supported hosts or targets.
3659 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3661 PR rtl-optimization/26725
3662 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3663 block's BB_DIRTY flag.
3665 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3667 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3670 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3671 to print an integer.
3673 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3675 * varasm.c (align_variable): New function.
3676 (get_block_for_decl): Apply align_variable to DECL before
3677 calculating section information.
3678 (assemble_variable): Split out alignment computation.
3680 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3682 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3685 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3687 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3688 MODE_PARTIAL_INT mode.
3689 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3690 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3692 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3693 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3695 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3697 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3699 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3700 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3701 MACFLAG_IH): Likewise.
3702 (movstricthi_1): Renamed from "*movstricthi".
3703 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3704 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3705 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3706 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3707 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3708 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3709 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3710 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3711 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3712 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3713 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3714 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3715 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3716 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3717 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3719 * doc/rtl.texi (ss_ashift): Improve wording.
3721 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3723 * dwarf2out.c (verify_marks_clear): New.
3724 (prune_unused_types): Call verify_marks_clear initially, not
3727 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3729 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3730 * doc/rtl.texi: Document them.
3731 * simplify-rtx.c (simplify_unary_operation,
3732 simplify_binary_operation_1): Don't abort when we see them.
3734 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3737 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3738 * configure.ac: Completely disregard languages that are not
3740 * configure: Regenerated.
3742 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3743 Richard Guenther <rguenther@suse.de>
3745 PR tree-optimization/27236
3746 * tree-inline.c (copy_body_r): Make sure to copy
3747 TREE_THIS_VOLATILE flag.
3749 2006-04-24 Richard Guenther <rguenther@suse.de>
3752 * tree-complex.c (update_parameter_components): Don't handle
3753 unused parameters which have no default def.
3755 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3756 Richard Guenther <rguenther@suse.de>
3758 PR tree-optimization/27218
3759 * tree-inline.c (expand_call_inline): Strip useless type
3760 conversions for the return slot address.
3762 2006-04-24 Richard Guenther <rguenther@suse.de>
3764 * cfgloop.h (struct loops): Remove unused field array. Reorder
3766 (LOOP_PREFETCH): Remove.
3768 2006-04-24 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/22525
3771 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3772 variable, adjust types of generated expressions.
3774 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3776 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3777 (tree-vect-patterns.o): Likewise.
3779 (cselib.o): Likewise.
3780 (loop-doloop.o): Likewise.
3781 (regclass.o): Likewise.
3782 (reload1.o): Likewise.
3783 (explow.o): Replace target.h with $(TARGET_H).
3784 (ipa-prop.o): Likewise.
3785 (ipa-cp.o): Likewise.
3786 (ipa-inline.o): Likewise.
3787 (reorg.o): Likewise.
3788 (reg-stack.o): Likewise.
3790 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3792 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3794 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3796 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3798 * configure.ac: Completely disregard languages that are not
3800 * configure: Regenerated.
3803 * c-common.h (c_build_bitfield_integer_type): Declare.
3804 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3805 * c-common.c (c_build_bitfield_integer_type): ... here.
3807 2006-04-23 Roger Sayle <roger@eyesopen.com>
3810 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3811 a SImode SUBREG of a floating point register after no_new_pseudos.
3813 2006-04-23 Roger Sayle <roger@eyesopen.com>
3815 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3816 identify potentially eliminable registers to additionally catch
3817 VIRTUAL_INCOMING_ARGS_REGNUM.
3818 (addsi3): Update the conditions on when to use addsi_small_int.
3820 2006-04-23 Roger Sayle <roger@eyesopen.com>
3823 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3824 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3825 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3827 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3829 * fold-const.c (range_predecessor): Use operand_equal_p
3830 as the predicate for equality.
3831 (range_successor): Likewise.
3833 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3836 * config/soft-fp/op-common.h: Fix a typo.
3838 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3841 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3842 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3844 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3846 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3848 * doc/tm.texi: Fix a typo.
3850 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3852 * dwarf2out.c (struct die_struct): Document that die_sib makes
3853 a circular linked list.
3854 (FOR_EACH_CHILD): New.
3855 (reverse_die_lists): Delete.
3856 (reverse_all_dies): Delete.
3857 (add_dwarf_attr): Correct documentation.
3858 (remove_child_with_prev): New.
3859 (remove_child_TAG): Update for change to die_struct, use
3860 remove_child_with_prev.
3861 (add_child_die): Update for change to die_struct.
3862 (splice_child_die): Use remove_child_with_prev and add_child_die.
3863 (print_die): Use FOR_EACH_CHILD.
3864 (die_checksum): Likewise.
3865 (assign_symbol_names): Likewise.
3866 (output_location_lists): Likewise.
3867 (build_abbrev_table): Likewise.
3868 (calc_die_sizes): Likewise.
3869 (mark_dies): Likewise.
3870 (unmark_dies): Likewise.
3871 (unmark_all_dies): Likewise.
3872 (output_die): Likewise.
3873 (prune_unused_types_mark): Likewise.
3874 (prune_unused_types_walk): Likewise.
3875 (same_die_p): Update for change to die_struct.
3876 (break_out_includes): Likewise.
3877 (prune_unused_types_prune): Likewise.
3878 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3879 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3881 (dwarf2out_finish): Don't call reverse_all_dies.
3883 2006-04-21 Eric Christopher <echristo@apple.com>
3885 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3886 in comments and function names.
3888 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3891 * c-typeck.c (digest_init): Robustify.
3893 * c-typeck.c (pop_init_level): Simplify.
3895 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3897 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3899 2006-04-21 Paul Brook <paul@codesourcery.com>
3901 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3902 hardware floating point.
3904 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3906 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3909 2006-04-21 Nick Clifton <nickc@redhat.com>
3911 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3914 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3917 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3918 C++ lang type in traceback table for Objective-C++.
3920 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3922 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3924 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3926 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3929 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3930 were errors. Remove check for erroneous objects.
3932 2006-04-20 Jeff Law <law@redhat.com>
3934 PR tree-optimization/26854
3935 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3936 checking for zero or one use.
3937 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3938 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3939 * tree-ssa-reassoc.c (negate_value): Similarly.
3940 (reassociate_bb): Similarly.
3942 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3944 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3945 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3946 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3948 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3950 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3951 fp regs if the last fp arg doesn't fit in regs.
3953 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3956 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3957 that the last insn has the REG_INC note.
3959 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3960 Nathan Sidwell <nathan@codesourcery.com>
3963 * stor-layout.c (update_alignment_for_field): Do not align
3965 (place_union_field): Place union field at the start of the union.
3966 (place_field): Move ERROR_MARK check later, and use the current
3967 allocation position to maintain monotonicity.
3969 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3971 * dominance.c: Include timevar.h.
3972 (calculate_dominance_info): Use TV_DOMINANCE.
3973 * timevar.def (TV_DOMINANCE): New timevar.
3974 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3976 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3978 PR rtl-optimization/14261
3979 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3980 move would be an INSV insn.
3981 (noce_process_if_block): Don't optimize if the destination is a
3982 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3984 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3986 * config/s390/s390.md: Add comments with the instructions emitted
3987 by an insn pattern if macros are used.
3989 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3991 PR rtl-optimization/26026
3992 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3993 is a known power of two shifted left a variable amount.
3995 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3997 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3998 to hash table twice when the debug_str section has SECTION_MERGE.
4000 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4002 * config/soft-fp: New directory. From glibc.
4003 * config/soft-fp/t-softfp: New.
4004 * config/soft-fp/README: New.
4005 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4006 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4007 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4008 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4009 * config.gcc: Use rs6000/t-fprules-fpbit or
4010 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4012 * config/rs6000/sfp-machine.h: New. Based on glibc.
4013 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4015 * config/rs6000/t-fprules: Remove fp-bit rules.
4016 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4017 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4018 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4019 (softfp_wrap_start, softfp_wrap_end): New.
4021 2006-04-18 DJ Delorie <dj@redhat.com>
4023 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4025 2006-04-18 Devang Patel <dpatel@apple.com>
4027 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4029 2006-04-18 Nick Clifton <nickc@redhat.com>
4031 * config/sh/t-symbian: Add rule to build sh-c.o
4032 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4033 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4034 (sh_symbian_encode_section_info): Likewise.
4036 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4038 * builtins.c (expand_builtin_strcmp): Cover label definition of
4039 do_libcall with HAVE_cmpstrnsi.
4041 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4043 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4045 * function.h (temp_slot_p): New.
4046 (function): Change the type of x_used_temp_slots to
4047 VEC(temp_slot_p,gc) *.
4049 2006-04-18 Nick Clifton <nickc@redhat.com>
4051 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4052 flag_strength_reduce.
4054 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4056 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4060 Partial revert of revision 112637
4061 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4062 Dale Johannesen <dalej@apple.com>
4065 * regclass.c (struct reg_pref): Update documentation.
4066 (regclass): Set prefclass to NO_REGS if memory is the best option.
4067 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4069 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4071 PR tree-optimization/26821
4072 * tree-ssa-math-opts.c (get_constant_one): New.
4073 (insert_reciprocals): Use it.
4075 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4077 * dwarf2out.c (free_AT): Delete.
4078 (remove_AT): Update string ref counts.
4079 (remove_child_TAG): Don't call free_die.
4081 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4082 or DW_TAG_GNU_EINCL.
4083 (prune_unused_types_walk_attribs): Reset string refcounts.
4084 (prune_unused_types_update_strings): New.
4085 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4086 call free_die. Do call prune_unused_types_update_strings.
4087 (prune_unused_types): Empty debug_str_hash.
4089 2006-04-17 Roger Sayle <roger@eyesopen.com>
4091 * expr.c (expand_assignment): Optimize away no-op moves where the
4092 source and destination are equal and have no side-effects.
4094 2006-04-17 Richard Guenther <rguenther@suse.de>
4097 * reload.c (push_reload): Guard calls to get_secondary_mem
4100 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4102 * alias.c (reg_base_value, old_reg_base_value): Change the
4103 type to VEC(rtx,gc) *.
4104 (REG_BASE_VALUE, find_base_value, record_set,
4105 init_alias_analysis): Use VEC instead of VARRAY.
4107 * alias.c (alias_sets): Change the type to
4108 VEC(alias_set_entry,gc) *.
4109 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4110 VEC instead of VARRAY.
4111 (last_alias_set): Remove.
4113 * cgraph.h (cgraph_edge_p): New.
4114 Update the prototype of cgraph_function_versioning.
4115 * cgraphunit.c (cgraph_copy_node_for_versioning,
4116 cgraph_function_versioning): Use VEC instead of VARRAY.
4117 * ipa-cp.c (ipcp_insert_stage): Likewise.
4119 2006-04-16 Roger Sayle <roger@eyesopen.com>
4122 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4123 "A op B" or "A op C", we may need to convert A to the type of B and C.
4125 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4127 * target.h (struct gcc_target): Add mode_rep_extended.
4128 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4129 (init_num_sign_bit_copies_in_rep): Initialize it using
4131 (truncate_to_mode): Use it.
4132 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4133 * targhooks.h (default_mode_rep_extended): Declare it.
4134 * targhooks.c (default_mode_rep_extended): Define it.
4135 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4136 default_mode_rep_extended.
4137 (TARGET_INITIALIZER): Include it.
4138 * doc/tm.texi (Misc): Document it.
4139 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4140 (mips_truncated_to_mode): New function.
4142 2006-04-16 Roger Sayle <roger@eyesopen.com>
4145 * expr.c (compress_float_constant): Copy the narrow constant into
4146 a new pseudo before extending it to its final width.
4148 2006-04-16 Roger Sayle <roger@eyesopen.com>
4149 Andrew Pinski <pinskia@gcc.gnu.org>
4150 Dale Johannesen <dalej@apple.com>
4153 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4154 special case code to implement V8HImode and V16QImode with SSE2.
4156 2006-04-15 Roger Sayle <roger@eyesopen.com>
4158 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4159 trees are constructed with a suitable tree type.
4161 2006-04-15 Roger Sayle <roger@eyesopen.com>
4163 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4164 (integer_onep): Likewise.
4165 (integer_all_onesp): Likewise.
4166 (integer_pow2p): Likewise.
4167 (integer_nonzerop): Likewise.
4168 (real_zerop): Likewise.
4169 (real_onep): Likewise.
4170 (real_twop): Likewise.
4171 (real_minus_onep): Likewise.
4172 (int_size_in_bytes): Likewise.
4173 (host_integerp): Likewise.
4175 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4177 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4178 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4179 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4181 * tree-ssa-structalias.h (alias_info): Remove num_references.
4183 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4185 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4186 (output_bvb patterns): Likewise.
4187 * pa.c (output_bb): Use 'bb' insn for long branch case.
4188 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4189 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4190 1. Correct length operand for alternatives 1 and 2.
4191 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4192 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4194 2006-04-14 Roger Sayle <roger@eyesopen.com>
4196 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4197 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4198 were accidentally reverted by r112959.
4200 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4203 * except.h (eh_region_outermost): New prototype.
4204 * except.c (eh_region_outermost): New function.
4205 * tree-cfg.c (find_outermost_region_in_block): Use it.
4207 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4209 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4211 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4212 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4213 (init_reload, reload): Use VEC instead of VARRAY.
4214 * reload.h: Update the prototype for
4215 reg_equiv_memory_loc_varray.
4217 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4218 Eric Botcazou <ebotcazou@libertysurf.fr>
4220 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4223 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4226 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4227 to expand fallback builtin function call.
4229 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4232 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4233 and emit libcall here in case the builtin fails.
4234 (expand_builtin_strcmp): Always emit the libcall here on failure.
4236 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4238 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4239 * flow.c (reg_n_info): Change the type to
4240 VEC(reg_info_p,heap) *.
4241 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4243 * regs.h (reg_info_p): New.
4244 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4245 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4246 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4249 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4251 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4253 * params.h (MAX_SCHED_READY_INSNS): New macro.
4254 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4255 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4256 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4257 the ready list for 1 cycle during the first scheduling pass.
4258 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4260 2006-04-13 Richard Henderson <rth@redhat.com>
4263 * gimple-low.c (lower_omp_directive): Remove dead code.
4264 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4265 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4266 * omp-low.c (struct omp_region): Move to tree-flow.h.
4267 (root_omp_region): Export.
4268 (omp_regions, lookup_omp_region): Remove.
4269 (determine_parallel_type): Update for struct omp_region changes.
4270 (dump_omp_region): Dump regions with block numbers.
4271 (new_omp_region): Take type and block instead of stmt; malloc
4273 (free_omp_region_1, free_omp_regions): New.
4274 (expand_parallel_call): Take entry_stmt as argument; update for
4275 changes to omp_region.
4276 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4277 (remove_exit_barriers): New.
4278 (expand_omp_parallel): Update for struct omp_region changes.
4279 (expand_omp_synch): Likewise.
4280 (expand_omp): Likewise.
4281 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4282 (expand_omp_for_static_chunk): Likewise.
4283 (expand_omp_for): Likewise.
4284 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4285 (expand_omp_sections): Similarly, with GOMP_sections_end.
4286 (expand_omp_single): New.
4287 (build_omp_regions_1): Update for OMP_CONTINUE.
4288 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4289 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4290 OMP_SECTIONS_SECTIONS.
4291 (lower_omp_single_simple): Don't emit barrier here.
4292 (lower_omp_single_copy): Likewise.
4293 (lower_omp_single): Fix bindings, and lower to straightline now.
4294 (lower_omp_master, lower_omp_ordered): Likewise.
4295 (lower_omp_critical): Likewise.
4296 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4297 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4298 omp edges, free it afterward.
4299 (make_omp_sections_edges): Remove.
4300 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4301 (move_stmt_r): Handle OMP_CONTINUE.
4302 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4303 statement pointers to basic blocks. Add type member.
4304 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4305 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4306 * tree-inline.c (estimate_num_insns_1): Likewise.
4307 * tree-pretty-print.c (dump_generic_node): Likewise.
4308 * tree-ssa-operands.c (get_expr_operands): Likewise.
4309 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4310 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4311 (OMP_CONTINUE): New.
4312 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4313 (OMP_SECTIONS_SECTIONS): Remove.
4314 (OMP_SECTION_LAST): New.
4315 (OMP_RETURN_NOWAIT): New.
4317 2006-04-13 Roger Sayle <roger@eyesopen.com>
4319 * fold-const.c (native_encode_vector, native_interpret_real):
4320 Correct obvious mistakes in the previous check-in.
4322 2006-04-13 Roger Sayle <roger@eyesopen.com>
4324 * fold-const.c (native_encode_expr): New function to encode
4325 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4326 or VECTOR_CST into a specified buffer.
4327 (native_encode_int): New function.
4328 (native_encode_real): New function.
4329 (native_encode_complex): New function.
4330 (native_encode_vector): New function.
4331 (native_interpret_expr): Inverse of native_encode_expr to convert
4332 a target representation into an INTEGER_CST, REAL_CST etc...
4333 (native_interpret_int): New function.
4334 (native_interpret_real): New function.
4335 (native_interpret_complex): New function.
4336 (native_interpret_vector): New function.
4337 (fold_view_convert_expr): New function to constant fold/evaluate
4338 a VIEW_CONVERT_EXPR of a suitable constant expression.
4339 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4340 Change call of build1 to fold_build1 when constructing a
4343 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4344 Ulrich Weigand <uweigand@de.ibm.com>
4347 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4350 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4353 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4354 optimize to lo_sum for DFmode if !TARGET_FPRS.
4356 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4358 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4359 delete_alias_info, compute_flow_sensitive_aliasing,
4360 group_aliases): Use VEC instead of VARRAY.
4361 * tree-ssa-structalias.c (update_alias_info): Likewise.
4362 * tree-ssa-structalias.h (alias_info): Change the type of
4363 processed_ptrs to VEC(tree,heap) *.
4365 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4368 * config/sh/lib1funcs.h: New file, broken out of:
4369 * config/sh/lib1funcs.asm.
4370 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4372 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4373 * config/sh/lib1funcs-Os-4-200.asm: New file.
4374 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4375 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4376 (EXTRA_MULTILIB_PARTS): Include it.
4377 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4378 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4379 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4380 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4383 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4385 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4386 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4387 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4389 * tree-ssa-live.h: Include vecprim.h.
4390 (tree_partition_associator_d): Change the type of
4391 first_partition to VEC(int,heap) *.
4392 (tpa_first_partition): Use VEC instead of VARRAY.
4394 * Makefile.in (GTFILES): Move functions.h after tree.h.
4395 * function.c (reset_block_changes, record_block_change,
4396 check_block_change, free_block_changes): Use VEC instead of
4398 * function.h (function): Change the type of
4399 ib_boundaries_block to VEC(tree,gc) *.
4400 * tree-inline.c (copy_cfg_body): Initialize
4401 ib_boundaries_block to NULL instead of (varray_type) 0.
4403 2006-04-12 Roger Sayle <roger@eyesopen.com>
4405 * expr.c (emit_group_store): Correct operand order in call to
4406 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4407 a SUBREG_BYTE of zero.
4409 2006-04-12 Richard Guenther <rguenther@suse.de>
4411 * profile.c (compute_branch_probabilities): Remove code
4412 encapsulated in !ir_type (), which are remanents of the
4413 removed RTL profiling code.
4414 * rtl-profile.c: Remove.
4416 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4418 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4419 magic NULL_RTX comment.
4420 (function_arg): Store entire fp arg to mem if any part should go
4422 (rs6000_arg_partial_bytes): Adjust for above change.
4424 2006-04-11 Roger Sayle <roger@eyesopen.com>
4426 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4427 if it hasn't been initialized by dwarf2out_init.
4429 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4431 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4432 symbolic constants in branch patterns.
4434 2006-04-11 Roger Sayle <roger@eyesopen.com>
4436 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4438 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4440 PR rtl-optimization/27073
4441 * gcse.c (try_replace_reg): Revert last change. Continue to search
4442 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4445 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4447 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4448 aggregate types other than record and union types.
4449 (function_arg): Likewise.
4450 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4452 (function_value): In 64-bit mode, return objects that require it
4455 2006-04-11 Roger Sayle <roger@eyesopen.com>
4457 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4459 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4461 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4463 2006-04-03 Jeff Law <law@redhat.com>
4466 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4467 alias information too.
4469 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4471 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4473 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4476 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4477 (premark_used_types_helper): New.
4478 (premark_used_types): New.
4479 (gen_subprogram_die): Call premark_used_types.
4480 (prune_unused_types_walk): Do not prune perennial dies.
4481 * function.c (used_types_insert): New.
4482 * function.h (struct function): Add used_types_hash field.
4483 (used_types_insert): Add prototype.
4484 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4485 * c-parser.c (c_parser_cast_expression): Save casted types in used
4488 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4491 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4492 rs6000_explicit_options.float_gprs.
4494 2006-04-10 Roger Sayle <roger@eyesopen.com>
4496 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4497 from ix86_expand_vector_init_low_nonzero. Take an additional
4498 one_var argument indicating which element is non-zero. Support
4499 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4500 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4501 with one_var instead of ix86_expand_vector_init_low_nonzero.
4503 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4505 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4506 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4507 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4508 build/genextract.o): Depend on vecprim.h.
4509 * cfglayout.c, df-problems.c, function.c, genextract.c,
4510 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4511 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4515 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4517 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4518 Declare VECs of this type.
4519 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4520 (remove_children): Delete.
4521 (add_dwarf_attr): Use VEC routines.
4522 (add_AT_flag): Update for changes to add_dwarf_attr.
4523 (add_AT_int): Likewise.
4524 (add_AT_unsigned): Likewise.
4525 (add_AT_long_long): Likewise.
4526 (add_AT_vec): Likewise.
4527 (add_AT_string): Likewise.
4528 (add_AT_die_ref): Likewise.
4529 (add_AT_fde_ref): Likewise.
4530 (add_AT_loc): Likewise.
4531 (add_AT_loc_list): Likewise.
4532 (add_AT_addr): Likewise.
4533 (add_AT_lbl_id): Likewise.
4534 (add_AT_lineptr): Likewise.
4535 (add_AT_macptr): Likewise.
4536 (add_AT_offset): Likewise.
4537 (add_AT_range_list): Likewise.
4538 (get_AT): Use VEC_iterate.
4539 (remove_AT): Use VEC_ordered_remove.
4540 (free_die): Fold remove_children into here; have it use VEC_iterate.
4541 (print_die): Use VEC_iterate on attrs.
4542 (reverse_die_lists): Don't reverse attr lists.
4543 (die_checksum): Use VEC_iterate on attrs.
4544 (same_die_p): Likewise.
4545 (output_location_lists): Likewise.
4546 (build_abbrev_table): Likewise.
4547 (size_of_die): Likewise.
4548 (unmark_all_dies): Likewise.
4549 (output_abbrev_section): Likewise.
4550 (output_die): Likewise.
4551 (prune_unused_types_walk_attribs): Likewise.
4553 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4555 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4557 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4560 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4562 2006-04-09 Roger Sayle <roger@eyesopen.com>
4564 * expr.c (store_constructor): Don't bother clearing target if
4565 we're about to assign a vector to it using vec_init_optab.
4567 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4569 * tree-ssa-alias.c (lhs_may_store_to): New function.
4570 (recalculate_used_alone): Handle LHS of calls.
4572 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4576 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4577 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4578 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4579 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4580 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4581 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4582 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4583 stubs. Add ".align 8" directives before all ".dword" directives.
4584 (GTHREAD_USE_WEAK): Revise comment.
4585 (TARGET_ATTRIBUTE_WEAK): Define.
4586 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4587 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4588 * stublib.c: New file.
4593 * pa.md (cbranch patterns): Revise arguments used in calls to
4594 output_cbranch, output_bb and output_bvd. Add long branch length
4596 (fbranch patterns): Handle long branches.
4597 (jump): Revise length check. Revise arguments for output_lbranch call.
4598 Add long branch length attributes.
4599 (decrement_and_branch_until_zero): Add long branch length attributes.
4600 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4601 Likewise. Revise arguments for output_parallel_addb and
4602 output_parallel_movb calls.
4603 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4604 output_parallel_movb and output_parallel_addb): Update prototypes.
4605 * pa.c (output_cbranch): Revise arguments. Correct handling of
4606 nullification in long branches.
4607 (output_lbranch): Add new argument to control extraction of delay
4609 (output_bb): Handle long branches.
4610 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4611 output_parallel_addb): Likewise.
4613 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4615 PR rtl-optimization/27073
4616 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4619 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4621 * tree.h (tree_memory_tag): Add old_used_alone.
4622 (SMT_OLD_USED_ALONE): New macro.
4623 * tree-ssa-alias.c (recalculate_used_alone): Stop
4624 marking things for renaming unnecessarily.
4626 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4628 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4629 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4630 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4631 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4632 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4633 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4634 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4635 spelling convensions.
4636 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4637 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4638 typos. Follow spelling conventions.
4640 2006-04-07 DJ Delorie <dj@redhat.com>
4642 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4643 passed on the stack.
4644 (m32c_init_cumulative_args): When a function returns a structure,
4645 always pass the pointer to that return area on the stack.
4646 (m32c_function_arg_advance): Don't increment the parameter number
4647 if we're processing the returned structure pointer.
4648 (pushm_info): Reverse order of registers.
4650 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4652 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4653 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4654 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4655 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4657 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4658 chrec_fold_multiply): Same.
4659 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4660 force_expr_to_var_cost): Same.
4661 * tree-mudflap.c (mf_xform_derefs_1): Same.
4662 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4664 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4666 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4667 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4670 2006-04-07 Jan Hubicka <jh@suse.cz>
4672 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4674 2006-04-07 Richard Guenther <rguenther@suse.de>
4676 PR tree-optimization/26135
4677 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4678 loads for store copy-prop.
4679 (copy_prop_visit_stmt): Likewise.
4681 2006-04-05 Robert Millan <robertmh@gnu.org>
4683 * config/i386/linux.h: Add a comment to mark macros that are
4684 being overriden in config/k*bsd-gnu.h.
4685 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4687 * config/knetbsd-gnu.h: Ditto.
4689 2006-04-06 Jan Hubicka <jh@suse.cz>
4693 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4696 2006-04-06 Mike Stump <mrs@apple.com>
4698 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4699 for HAVE_nonlocal_goto to be consistent.
4700 (expand_builtin_nonlocal_goto): Likewise.
4701 (expand_builtin_strcmp): Use #ifdef instead of #if
4702 for HAVE_cmpstrnsi to be consistent.
4704 2006-04-05 DJ Delorie <dj@redhat.com>
4706 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4709 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4711 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4712 got-relative addressing for anything but SImode.
4714 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4715 even if the calling function doesn't modify them.
4717 2006-04-05 Richard Guenther <rguenther@suse.de>
4719 PR tree-optimization/26919
4720 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4721 to cgraph_estimate_size_after_inlining.
4723 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4725 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4727 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4729 PR tree-optimization/26996
4730 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4731 VECTOR_TYPE variables.
4733 2006-04-05 Richard Guenther <rguenther@suse.de>
4735 PR tree-optimization/26763
4736 * fold-const.c (fold_comparison): Move folding of
4737 PTR + CST CMP PTR + CST ...
4738 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4740 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4742 * doc/install.texi (Prerequisites): Refine some wording on
4743 bootstrapping and ksh.
4744 Move the version numbers of DejaGnu here from the testing section
4745 and fix casing of names.
4746 Fix markup and clarify wording for autogen requirements.
4747 Refer to GCJ instead of just java.
4748 Refer to SVN instead of CVS.
4749 Describe diffutils as useful instead of necessary.
4750 (Downloading the source): Refer to SVN instead of CVS.
4751 Adjust a link to our web site accordingly.
4752 (Configuration): Fix casing of Bison.
4753 (Building): Refer to SVN instead of CVS.
4754 Fix a sentence on the use of Bison and remove duplicate (and
4755 incorrect) version number of Bison requirement.
4756 Remove one redundant list of packages needed for building.
4757 (Specific): Avoid reference to CVS.
4759 2006-04-04 Eric Christopher <echristo@apple.com>
4761 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4762 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4763 (rs6000_handle_struct_attribute): New.
4764 (rs6000_ms_bitfield_layout_p): Ditto.
4766 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4768 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4769 NULL for dso parameter to atexit_common.
4771 2006-04-04 Eric Christopher <echristo@apple.com>
4773 * config/i386/i386.c (machopic_output_stub): Output \t
4774 between instructions and operands.
4776 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4778 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4779 satisfies_constraint_[IL] to explicit tests on value.
4781 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4783 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4784 set_nb_iterations_in_loop): Use build_int_cst instead of
4786 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4787 build_int_cst instead of convert.
4789 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4791 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4792 new value 2 for incoming.
4793 * function.c (expand_function_start): Call struct_value_rtx
4795 * config/sparc/sparc.md: Comment updated_return.
4796 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4797 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4798 struct return if sparc_std_struct_return and incoming is 2.
4799 (print_operand): Do not adjust return if
4800 sparc_std_struct_return.
4802 2006-04-04 Roger Sayle <roger@eyesopen.com>
4804 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4805 convert in the middle-end.
4806 * expr.c (store_expr, store_constructor, get_inner_reference,
4807 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4809 * tree.c (build_range_type): Likewise.
4811 2006-04-04 Tom Tromey <tromey@redhat.com>
4813 * doc/install.texi (Prerequisites): Mention jar.
4815 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4817 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4820 2006-04-04 Matthias Klose <doko@debian.org>
4822 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4823 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4826 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4828 * doc/extend.texi (Function Attributes): Rewrite visibility
4829 attribute documentation.
4830 * doc/invoke.texi (C++ Dialect Options): Rewrite
4831 -fvisibility-inlines-hidden documentation to describe something
4832 entirely different, although in practise compatible.
4833 (Code Gen Options): Warn about system headers in -fvisibility=
4836 * doc/extend.texi (Other Builtins): Document that
4837 __builtin_nan is a compile-time constant only when its argument
4840 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4842 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4843 trying to remove TRUNCATE check if all bits outside the new mode
4844 are identical to the sign bit.
4846 2006-04-03 Jeff Law <law@redhat.com>
4848 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4849 and operand scanning in some common cases.
4851 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4852 Dale Johannesen <dalej@apple.com>
4855 * regclass.c (struct reg_pref): Update documentation.
4856 (regclass): Set prefclass to NO_REGS if memory is the best option.
4857 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4858 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4859 into account. For non-registers, equate an empty preferred
4860 reload class to a `!' in the constraint; move the if clause to
4861 do so after those that reject the insn.
4862 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4864 (find_dummy_reload): Likewise.
4865 * doc/tm.texi (Register Classes): Document what it means
4866 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4867 * config/i386/i386.c (ix86_preferred_reload_class): Force
4868 using SSE registers (and return NO_REGS for floating-point
4869 constants) if math is done with SSE.
4870 (ix86_preferred_output_reload_class): New.
4871 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4872 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4873 * config/i386/i386.md: Remove # register preferences.
4875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4878 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4879 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4880 the type of nb_iter.
4881 (instantiate_parameters_1): Convert the operands before calling
4882 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4883 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4885 2006-04-02 Roger Sayle <roger@eyesopen.com>
4887 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4888 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4890 * dojump.c (do_jump): Likewise.
4891 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4892 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4893 gimplify_boolean_expr): Likewise.
4894 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4895 * varasm.c (array_size_for_constructor): Likewise.
4896 * tree-object-size.c (compute_object_offset): Likewise.
4898 2006-04-02 Roger Sayle <roger@eyesopen.com>
4901 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4902 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4904 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4906 PR tree-optimization/26939
4907 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4909 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4911 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4912 at_stmt. Convert the type of operands before calling
4913 build_polynomial_chrec.
4914 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4916 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4917 (instantiate_parameters_1): Convert the type of operands before calling
4918 build_polynomial_chrec.
4919 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4920 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4921 reset_evolution_in_loop): Insert asserts to check the types of the
4923 (chrec_type): Moved...
4924 (eq_evolutions_p): Use operand_equal_p.
4925 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4926 the types of the operands.
4927 (chrec_type): ...here.
4928 * tree-data-ref.c (create_data_ref): Convert the operands before
4929 calling chrec_replace_initial_condition.
4930 (same_access_functions, analyze_subscript_affine_affine,
4931 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4932 (compute_subscript_distance, analyze_ziv_subscript,
4933 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4934 analyze_miv_subscript): Convert the operands before calling
4935 chrec_fold_minus or chrec_fold_plus.
4937 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4939 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4940 the dependence_relations vector.
4941 (compute_data_dependences_for_loop): Adjust call to
4942 compute_all_dependences.
4944 2006-04-01 Roger Sayle <roger@eyesopen.com>
4945 Richard Henderson <rth@redhat.com>
4947 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4948 gimple_boolify on the condition before calling gimplify_expr.
4950 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4952 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4953 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4954 the frame size. Update to use the new macros.
4955 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4956 * config/xtensa/ieee754-df.S: Likewise.
4958 2006-03-31 Richard Henderson <rth@redhat.com>
4960 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4961 (make_edges): ... here. Control fallthru creation with a local
4962 variable. Do not play with fake edges.
4963 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4964 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4967 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4969 * dwarf2.h (DW64_CIE_ID): Define.
4970 * dwarf2out.c (DWARF_CIE_ID): Define.
4971 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4972 length header. Use DWARF_CIE_ID.
4973 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4974 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4976 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4978 * config/sh/linux-atomic.asm: New file.
4979 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4981 2006-03-31 DJ Delorie <dj@redhat.com>
4983 * config/m32c/cond.md: Set condition flags properly throughout.
4984 * config/m32c/minmax.md: Likewise.
4985 * config/m32c/prologue.md: Likewise.
4986 * config/m32c/bitops.md: Likewise.
4987 * config/m32c/muldiv.md: Likewise.
4988 * config/m32c/mov.md: Likewise.
4989 * config/m32c/addsub.md: Likewise.
4990 * config/m32c/m32c.md: Likewise.
4991 * config/m32c/jump.md: Likewise.
4992 * config/m32c/shift.md: Likewise.
4994 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4995 conditionally output the pattern for this.
4996 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4997 (m32c_compare_redundant): New.
4998 (m32c_output_compare): New.
4999 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5001 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5002 dest, not src. Allow other 4-byte modes.
5004 2006-03-30 Denis Chertykov <denisc@overta.ru>
5006 * doc/md.texi: Refer to avr/constraints.md instead of
5009 2006-03-30 Roger Sayle <roger@eyesopen.com>
5011 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5012 signed vs. unsigned comparison failures on some hosts.
5014 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5017 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5018 change to FLOAT_REGS.
5020 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5021 (rs6000_override_options): Use it.
5022 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5023 only for -mabi=spe/no-spe and -mabi=altivec.
5025 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5027 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5030 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5032 * Makefile.in: Rename docdir to gcc_docdir.
5034 2006-03-30 Roger Sayle <roger@eyesopen.com>
5037 * expr.c (emit_group_store): Optimize group stores into a pseudo
5038 register by using a paradoxical subreg to initialize the destination
5039 if the first or last member of the group specifies a "low part".
5041 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5044 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5045 * target.h (struct gcc_target.speculate_insn): Change type of the
5046 second parameter to 'int'.
5047 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5048 the second operand of the DEPS_LIST.
5049 (copy_DEPS_LIST_list): Update reference to the second operand of the
5051 * rtl.h (alloc_DEPS_LIST): Update signature.
5052 * sched-int.h (ds_t): Change typedef to 'int'.
5053 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5055 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5057 * haifa-sched.c (try_ready): Change condition to restore
5058 non-speculative pattern of the instruction.
5059 (process_insn_depend_be_in_spec): Code to keep probability of the
5060 speculative dependence non-decreasing.
5062 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5064 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5065 (single_move_for_movmem): ... this. Also change all uses.
5066 (bfin_expand_strmov): Renamed to...
5067 (bfin_expand_movmem): ... this. Also change all uses.
5068 * config/bfin/bfin.md (movstrsi): Renamed to...
5069 (movstrsi): ...this.
5071 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5073 PR tree-optimization/26830
5075 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5076 (copy_prop_visit_stmt): Remove write-only variable ann.
5077 (init_copy_prop): Check variable loop depth here. Do not simulate
5078 memory-tag and virtual operand PHIs except for store copy prop.
5080 2006-03-30 Richard Guenther <rguenther@suse.de>
5082 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5083 variants with double arguments.
5085 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5087 * genpreds.c (write_tm_constrs_h): Delete variable p.
5088 * genconditions.c (write_header): Add tm-constrs.h to included
5090 * genpeep.c (main): Add toplev.h to included headers.
5091 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5092 (build/genpeep.o): Add toplev.h dependency.
5093 * config/rs6000/constraints.md: Add "W" constraint.
5095 2006-03-29 Roger Sayle <roger@eyesopen.com>
5097 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5098 sizes by correctly testing whether the size fits a host integer.
5099 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5100 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5101 SImode range for the default sizetype and bitsizetype.
5103 2006-03-29 Roger Sayle <roger@eyesopen.com>
5105 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5106 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5107 quickly if the argument is already of the correct type.
5108 Call fold_build1 instead of build1. Tidy up blank lines.
5110 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5112 * genemit.c (main): Add tm-constrs.h to included headers.
5113 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5114 * genpeep.c (main): Add tm-constrs.h to included headers.
5115 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5116 (write_tm_constrs_h): this and write complete file.
5117 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5118 (write_insn_preds_c): Add tm-constrs.h to included headers.
5119 (gen_constrs): New variable.
5120 (parse_option): Parse "-c".
5121 (main): Invoke write_tm_constrs_h.
5122 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5123 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5124 (object_out_file): Add tm-constrs.h dependency.
5125 (insn-emit.o): Same.
5126 (insn-output.o): Same.
5127 (insn-peep.o): Same.
5128 (insn-preds.o): Same.
5129 (insn-recog.o): Same.
5130 (tm-constsr.h): New target.
5131 (s-constrs-h): New target.
5133 * config/rs6000/constraints.md: New file.
5134 * config/rs6000/rs6000.c: Include tm-constrs.h.
5135 (num_insn_constant_wide): Convert to satisfies_constraint.
5136 (rs6000_rtx_costs): Convert to satisfies_constraint.
5137 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5138 (CONST_OK_FOR_LETTER_P): Delete.
5139 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5140 (EXTRA_CONSTRAINT): Delete.
5141 (EXTRA_MEMORY_CONSTRAINT): Delete.
5142 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5143 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5144 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5145 satisfies_constraint.
5147 * config/i386/i386.c: Include tm-constrs.h.
5149 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5151 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5152 * tree-data-ref.c (find_data_references_in_loop,
5153 compute_data_dependences_for_loop): Use pointers to VEC.
5154 (analyze_all_data_dependences): Adjust calls.
5155 * tree-data-ref.h (find_data_references_in_loop,
5156 compute_data_dependences_for_loop): Adjust declarations.
5157 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5158 compute_data_dependences_for_loop.
5160 2006-03-29 Paul Brook <paul@codesourcery.com>
5162 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5165 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5167 PR tree-optimization/26859
5168 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5170 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5171 for the step after fold_convert.
5173 2006-03-29 Paul Brook <paul@codesourcery.com>
5175 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5176 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5178 2006-03-29 Paul Brook <paul@codesourcery.com>
5181 * targhooks.c (default_narrow_bitfield): New fuction.
5182 * targhooks.h (default_narrow_bitfield): add prototype.
5183 * target.h (gcc_target): Add narrow_volatile_bitfield.
5184 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5185 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5186 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5187 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5189 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5191 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5193 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5194 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5195 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5196 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5197 (s390_function_arg_float): Allow SDmode and DDmode values to be
5198 passed in floating point registers.
5199 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5200 check with SCALAR_FLOAT_MODE_P.
5201 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5203 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5205 PR tree-optimization/25985
5206 * tree-ssa-loop-niter.c (number_of_iterations_le,
5207 number_of_iterations_ne): Make comments more precise.
5208 (number_of_iterations_cond): Add only_exit argument. Use the
5209 fact that signed variables do not overflow only when only_exit
5211 (loop_only_exit_p): New.
5212 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5213 number_of_iterations_cond.
5215 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5217 PR tree-optimization/26643
5218 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5221 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5223 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5224 (divsi3_i4_int): Likewise.
5226 2006-03-28 Roger Sayle <roger@eyesopen.com>
5228 * expr.c (emit_group_store): Only create a new pseudo reg if the
5229 quantity it needs to hold isn't already a suitable pseudo.
5231 2006-03-28 Jeff Law <law@redhat.com>
5233 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5234 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5236 2006-03-28 Roger Sayle <roger@eyesopen.com>
5238 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5239 the equivalent ~X & Y, and the symmetry related transformations.
5240 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5241 ~X & Y, and symmetry related transforms.
5243 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5245 Revert my 2006-03-27 patches.
5247 2006-03-28 Roger Sayle <roger@eyesopen.com>
5249 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5250 ~(T1)X, when T1 and T2 are integer types of the same precision
5251 and (T2)X isn't an extension.
5253 2006-03-28 Jeff Law <law@redhat.com>
5255 PR tree-optimization/26796
5256 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5257 need EH edge cleanups rather than purging them immediately.
5258 (eliminate_degenerate_phis): Handle queued EH cleanups.
5260 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5262 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5265 2006-03-27 Roger Sayle <roger@eyesopen.com>
5268 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5269 cast BIT_NOT_EXPR operand to the correct type.
5271 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5273 * tree-loop-linear.c: Don't include varray.h.
5274 (gather_interchange_stats, try_interchange_loops,
5275 linear_transform_loops): Use VEC instead of VARRAY.
5276 * lambda-mat.c: Don't include varray.h.
5277 * tree-chrec.c: Same.
5278 * lambda-trans.c: Same.
5279 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5280 VEC instead of VARRAY.
5281 * tree-vectorizer.h: Idem.
5282 * tree-data-ref.c (dump_data_references,
5283 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5284 initialize_data_dependence_relation, finalize_ddr_dependent,
5285 compute_all_dependences, find_data_references_in_loop,
5286 compute_data_dependences_for_loop, analyze_all_data_dependences,
5287 free_dependence_relation, free_dependence_relations,
5288 free_data_refs): Idem.
5289 * tree-data-ref.h (data_reference_p, subscript_p): New.
5290 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5291 VEC instead of VARRAY.
5292 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5293 (find_data_references_in_loop, compute_data_dependences_for_loop,
5294 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5295 dump_data_dependence_relations, free_dependence_relations,
5296 free_data_refs): Adjust declaration.
5297 (lambda_transform_legal_p): Move declaration here...
5298 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5299 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5300 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5301 vect_analyze_data_refs): Use VEC instead of VARRAY.
5302 * lambda.h (lambda_transform_legal_p): ...from here.
5303 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5304 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5305 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5306 tree-chrec.o): Don't depend on VARRAY_H.
5308 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5310 * rtl.def (Copyright): Update date.
5311 (DEPS_LIST): Change type of the second operand to 'int'.
5312 * target.h (Copyright): Update date.
5313 (struct gcc_target.speculate_insn): Change type of the second parameter
5315 * lists.c (Copyright): Update date.
5316 (alloc_DEPS_LIST): Change signature. Update reference to the second
5317 operand of the DEPS_LIST.
5318 (copy_DEPS_LIST_list): Update reference to the second operand of the
5320 * rtl.h (Copyright): Update date.
5321 (alloc_DEPS_LIST): Update signature.
5322 * sched-int.h (Copyright): Update date.
5323 (ds_t): Change typedef to 'int'.
5324 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5326 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5328 * haifa-sched.c (Copyright): Update date.
5329 (try_ready): Change condition to restore non-speculative pattern
5331 (process_insn_depend_be_in_spec): Code to keep probability of the
5332 speculative dependence non-decreasing.
5334 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5336 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5337 shut up the compiler.
5339 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5341 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5342 to use lib prefix for target.
5343 ($(T)libic_invalidate_array_4-200.a): Likewise.
5344 ($(T)libic_invalidate_array_4a.a): Likewise.
5346 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5347 J"orn Rennecke <joern.rennecke@st.com>
5349 * superh.opt: New file.
5350 * sh.c (boardtype, osruntime): Remove.
5351 * superh.h (SUBTARGET_OPTIONS): Remove.
5352 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5354 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5355 arguments with ^ and/or [].
5357 * config.gcc (sh-*-*): Add quoting to account for quirk of
5359 Replace == with = in enable_incomplete_targets test.
5361 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5362 with MASK_LITTLE_ENDIAN.
5364 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5365 * config/sh/sh.opt: Added to some comments.
5366 * config/sh/superh.h: Removed some chaff.
5368 * config/sh/sh.opt: Add m4-[1234]00* options.
5369 * config/sh/sh.c (sh_handle_option): Likewise.
5370 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5371 (ic_invalidate_array_4-100.o): New rule.
5372 ($(T)libic_invalidate_array_4-100.a): Likewise.
5373 (ic_invalidate_array_4-200.o): Likewise.
5374 ($(T)libic_invalidate_array_4-200.a): Likewise.
5375 (ic_invalidate_array_4a.o): Likewise.
5376 ($(T)libic_invalidate_array_4a.a): Likewise.
5377 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5378 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5380 * config/sh/crt1.asm: Merged in profiling code.
5381 * config/sh/superh.h (STARTFILE_SPEC): Override.
5382 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5383 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5384 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5386 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5387 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5388 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5390 * sh.opt (mpretend-cmove): New option.
5391 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5392 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5393 (movsicc): Add TARGET_PRETEND_CMOVE code.
5395 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5397 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5398 s390_class_max_nregs): New function prototypes.
5399 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5400 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5401 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5402 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5404 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5406 * dwarf2out.c (add_location_or_const_value_attribute): Call
5407 tree_add_const_value_attribute if nothing else works.
5408 (reference_to_unused): New.
5409 (rtl_for_decl_init): Use reference_to_unused to decide whether
5410 to output an initializer.
5412 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5415 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5416 peephole removing spe frob_di_df_2.
5418 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5420 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5421 (subscript_dependence_tester_1): Declared.
5422 (print_dir_vectors, print_dist_vectors): New.
5423 (debug_data_dependence_relation): New.
5424 (dump_data_dependence_relation): Print more details.
5425 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5426 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5427 (save_dist_v, save_dir_v, add_outer_distances,
5428 build_classic_dist_vector_1): New.
5429 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5430 Don't test for lambda_vector_lexico_pos.
5431 (same_access_functions, add_multivariate_self_dist,
5432 add_other_self_distances, dir_from_dist): New.
5433 (build_classic_dir_vector): Replace implementation almost identical to
5434 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5436 (subscript_dependence_tester_1): New.
5437 (subscript_dependence_tester): Handle the lexicographically negative
5438 distance vectors by recomputing the dependence relation.
5439 (compute_affine_dependence): Remove parameter loop_nest_depth.
5440 (compute_self_dependence): Don't call compute_subscript_distance.
5441 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5442 Add a parameter for the loop_nest.
5443 (find_loop_nest_1, find_loop_nest): New.
5444 (compute_data_dependences_for_loop): Compute the loop nest, and give
5445 up if the nest is not well formed.
5446 * tree-data-ref.h (loop_p): New.
5447 (struct data_dependence_relation): Replace size_vect field with
5448 loop_nest, a vec of loops.
5449 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5450 (DDR_LOOP_NEST): New.
5451 (print_dir_vectors, print_dist_vectors,
5452 debug_data_dependence_relation): Declared.
5453 (index_in_loop_nest): New.
5454 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5455 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5458 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5460 * simplify-rtx.c (simplify_relational_operation): Call
5461 simplify_relational_operation_1 even if mode is VOIDmode.
5463 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5465 PR tree-optimization/26804
5466 * tree.h (DECL_CALL_CLOBBERED): New macro.
5467 (tree_decl_common): Add call_clobbered_flag.
5468 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5469 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5470 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5471 (mark_non_addressable): Ditto.
5472 * tree-ssa.c (verify_call_clobbered): New function.
5473 (verify_alias_info): Use it.
5474 * tree-pass.h (pass_reset_cc_flags): New prototype.
5475 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5476 (reset_cc_flags): New function.
5477 * passes.c (init_optimization_passes): Call reset_cc_flags after
5478 initializing referenced_vars.
5480 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5481 Roger Sayle <roger@eyesopen.com>
5484 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5485 to 1.0 for non-real operands. Implement A / A optimization for
5488 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5490 * config/i386/i386.c (size_cost): Correct the comment for
5491 cost of storing fp registers.
5492 (i386_cost): Likewise.
5493 (i486_cost): Likewise.
5494 (pentium_cost): Likewise.
5495 (pentiumpro_cost): Likewise.
5496 (k6_cost): Likewise.
5497 (athlon_cost): Likewise.
5498 (k8_cost): Likewise.
5499 (pentium4_cost): Likewise.
5500 (nocona_cost): Likewise.
5501 (generic64_cost): Likewise.
5502 (generic32_cost): Likewise.
5504 2006-03-24 Denis Chertykov <denisc@overta.ru>
5506 * config/avr/avr-protos.h (extra_constraint): Delete.
5507 (extra_constraint_Q): New declaration.
5508 * config/avr/constraints.md: New file.
5509 * config/avr/avr.md: Include it.
5510 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5511 (TMP_REGNO, ZERO_REGNO): Likewise.
5512 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5513 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5514 (extra_constraint): Delete.
5515 (extra_constraint_Q): Test for memory constraint 'Q'.
5516 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5517 (REG_CLASS_FROM_LETTER): Delete.
5518 (CONST_OK_FOR_LETTER_P): Delete.
5519 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5520 (EXTRA_CONSTRAINT): Delete.
5521 (TMP_REGNO): Delete.
5522 (ZERO_REGNO): Delete.
5524 2006-03-24 Jeff Law <law@redhat.com>
5526 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5527 directly. Call mark_new_vars_to_rename slightly earlier.
5529 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5531 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5533 (gen_compile_unit_die): Use new language types for Objective-C and
5535 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5536 DW_LANG_C_plus_plus.
5539 * config/t-darwin (crt3.o): Work around bug 26840.
5540 * config/darwin-crt3.c: Rewrite.
5541 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5543 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5545 * doc/invoke.texi: Document -femit-class-debug-always
5546 * common.opt: Add -femit-class-debug-always.
5548 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5550 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5551 index and base register.
5552 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5553 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5554 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5555 REGNO_OK_FOR_INDEX_P.
5556 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5558 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5559 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5560 REG_OK_FOR_BASE_P): Definitions removed.
5562 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5565 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5566 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5567 set yet or weren't marked as local yet.
5569 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5571 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5574 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5576 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5577 (rs6000_legitimate_small_data_p): Delete.
5578 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5579 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5580 and make static. Add forward declaration. Update uses.
5581 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5582 of offsettable_memref_p.
5583 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5584 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5586 2006-03-24 Jeff Law <law@redhat.com>
5588 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5589 around bug in immediate-use iterator.
5591 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5594 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5595 or __LITTLE_ENDIAN__.
5597 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5599 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5600 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5601 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5602 * config/sh/sh.opt (mdiv=): Amend description.
5603 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5604 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5605 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5606 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5607 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5608 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5609 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5610 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5611 TARGET_DIVIDE_CALL_FP.
5613 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5615 * haifa-sched.c (choose_ready): Fix type of the local variable.
5616 Move local variables. Add comment.
5617 (check_reg_live): Change signature. Make callable from debugger.
5618 * sched-int.h (check_reg_live): Update signature.
5619 * sched-ebb.c (check_reg_live): Update parameters.
5620 * sched-rgn.c (check_reg_live): Ditto.
5621 (region_head_or_leaf_p): Check pointer before dereferencing.
5622 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5623 before reload on optimization levels below 1.
5625 2006-03-23 Richard Henderson <rth@redhat.com>
5627 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5631 * config/alpha/predicates.md (local_symbolic_operand): Reject
5634 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5637 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5638 expressions which have overflowed constants.
5640 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5642 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5644 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5646 * cfgloopmanip.c (create_loop_notes): Removed.
5647 * final.c (final_scan_insn): Do not handle loop notes.
5648 * jump.c (squeeze_notes): Ditto.
5649 * cfglayout.c (skip_insns_after_block,
5650 duplicate_insn_chain): Ditto.
5651 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5653 * cfgloop.h (create_loop_notes): Declaration removed.
5655 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5657 * varasm.c (output_constant_pool): Restore fnname and fndecl
5659 (assemble_start_function): Adjust call accordingly.
5660 (assemble_end_function): Likewise.
5662 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5665 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5668 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5670 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5673 * system.h (ICE_EXIT_CODE): New macro.
5674 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5675 (diagnostic_action_after_output): Likewise.
5676 * gcc.c (fatal_ice): New function.
5677 (execute): Use it instead of fatal.
5678 (fancy_abort): Likewise.
5679 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5681 2006-03-22 Jeff Law <law@redhat.com>
5683 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5684 iv_analyze_result returning false.
5686 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5688 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5690 2006-03-22 Richard Henderson <rth@redhat.com>
5693 * except.c (duplicate_eh_regions_0): New.
5694 (duplicate_eh_region_1): Duplicate the children of the node as
5695 well as the node itself. Link them up properly.
5696 (duplicate_eh_region_2): Merge into ...
5697 (duplicate_eh_regions): ... here. Take copy_region argument, and
5698 copy only a sub-tree if asked. Simplify copying and fixup.
5699 (eh_region_outer_p): New.
5700 * except.h (duplicate_eh_regions): Update decl.
5701 (eh_region_outer_p): Declare.
5702 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5703 (lower_omp_master): Likewise.
5704 (lower_omp_ordered): Likewise.
5705 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5706 (move_stmt_r): Use it to remap labels. Handle recursion vs
5707 remap_decls_p properly.
5708 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5709 (find_outermost_region_in_block): New.
5710 (new_label_mapper): New.
5711 (move_sese_region_to_fn): Copy eh information to the new function
5713 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5715 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5718 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5720 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5721 into shared libraries.
5723 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5725 * doc/md.texi: Refer to i386/constraints.md instead of
5727 * config/i386/constraints.md: New file, extracted from...
5728 * config/i386/predicates.md: ...here.
5729 * config/i386/i386.md: Include constraints.md.
5731 2006-03-21 Jason Merrill <jason@redhat.com>
5733 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5736 * expr.c (init_block_move_fn): Force default visibility.
5737 (init_block_clear_fn): Likewise.
5738 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5739 * targhooks.c (default_external_stack_protect_fail): Likewise.
5741 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5743 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5744 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5745 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5746 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5747 (loadgp): Use mips_current_loadgp_style.
5748 (loadgp_noshared): New pattern.
5749 (sibcall_internal): Use MIPS_CALL.
5750 (sibcall_value_internal): Likewise.
5751 (sibcall_value_multiple_internal): Likewise.
5752 (call_internal): Likewise.
5753 (call_value_internal): Likewise.
5754 (call_value_multiple_internal): Likewise.
5755 (call_split): Use MIPS_CALL and add an 'S' constraint.
5756 (call_value_split): Likewise.
5757 (call_value_multiple_split): Likewise.
5758 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5759 (-mshared): New option.
5760 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5761 (mips_current_loadgp_style): Declare.
5762 * config/mips/mips.c (mips_classify_symbol): Avoid using
5763 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5764 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5765 TARGET_ABSOLUTE_ABICALLS.
5766 (override_options): Adjust comments. Improve the warning that is
5767 issued when -mabicalls and -G are used together.
5768 (mips_file_start): Remove comment.
5769 (mips_current_loadgp_style): New function.
5770 (mips_gnu_local_gp): New variable.
5771 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5773 (mips_output_function_prologue): Use mips_current_laodgp_style.
5774 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5775 the cprestore instruction.
5776 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5777 live for TARGET_ABSOLUTE_ABICALLS.
5778 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5779 (ASM_SPEC): Pass down -mshared and -mno-shared.
5780 (MIPS_CALL): New macro.
5781 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5783 * doc/invoke.texi (-mabicalls): Update documentation.
5784 (-mshared): Document.
5786 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5788 * config/ia64/unwind-hpux.c: New file.
5789 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5791 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5794 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5796 2006-03-21 Jeff Law <law@redhat.com>
5798 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5799 type conversions of a VR_VARYING source to a wider type.
5801 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5803 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5804 tm_file on Solaris 10 and later.
5805 (sparc64-*-solaris2*): Likewise.
5806 (sparc-*-solaris2*): Likewise.
5807 * config/sol26.h: Rename to config/sol2-6.h.
5808 * config/sol2-10.h: New file.
5810 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5813 * tree-ssa-pre.c (create_component_ref_by_pieces):
5816 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5819 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5820 return it immediately.
5822 2006-03-21 Michael Matz <matz@suse.de>
5824 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5826 (remove_arc, add_arc): Update num_out_arcs member.
5827 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5829 (cache_presence): New function.
5830 (compare_states_for_equiv): New function.
5831 (state_is_differed): Don't take number of outargs, adjust callers.
5832 Use new invariant for speeding up.
5833 (init_equiv_class): Create initial classes based on sorted
5835 (partition_equiv_class): Don't track out_arcs_num.
5836 (evaluate_equiv_classes): Call cache_presence on all states and
5839 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5841 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5842 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5843 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5844 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5846 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5847 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5848 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5849 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5850 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5852 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5853 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5854 (REGNO_REG_CLASS): ARGP is in PREGS.
5855 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5857 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5858 to deal with those addresses.
5859 * addresses.h: New file.
5860 * caller-save.c: Include "addresses.h".
5861 (init_caller_save): Use new base_reg_class function.
5862 * rtl-factoring.c: Include "addresses.h".
5863 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5864 * recog.c: Include "addresses.h".
5865 (preprocess_constraints): Use new base_reg_class function.
5866 * regrename.c: Include "addresses.h".
5867 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5868 functions. Keep track of a new var INDEX_CODE to compute valid
5870 (replace_oldest_value_addr): Likewise.
5871 (replace_oldest_value_mem): Use base_reg_class.
5872 * reload.c: Include "addresses.h".
5873 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5874 (find_reloads): Use new base_reg_class function.
5875 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5876 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5877 all callers and prototype changed.
5878 * reload1.c: Include "addresses.h".
5879 (maybe_fix_stack_asms): Use base_reg_class.
5880 * regclass.c: Include "addresses.h".
5881 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5882 (init_reg_autoinc): Use new base_reg_class function.
5883 (record_reg_classes): Likewise.
5884 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5885 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5886 Use new args to compute necessary class.
5888 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5889 regrename.o, rtl-factoring.o): Update dependencies.
5890 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5891 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5892 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5893 REG_OK_FOR_INDEX_P): Delete documentation.
5895 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5897 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5898 from V7 to V9 for Solaris 7 and above.
5900 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5902 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5903 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5904 argument pointers may not alias any other storage.
5905 * common.opt: Define option -fargument-noalias-anything.
5906 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5907 alias semantics is specified by flag_argument_noalias > 2.
5909 2006-03-20 Jeff Law <law@redhat.com>
5911 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5912 (pass_phi_only_cprop): Declare.
5913 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5915 * tree-ssa-dom.c (degenerate_phi_result): New function.
5916 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5917 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5918 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5919 (eliminate_degenerate_phis): Likewise.
5920 (pass_phi_only_cprop): New pass descriptor.
5921 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5922 support code. Callers updated.
5923 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5924 (store_copy_prop): Likewise.
5925 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5927 2006-03-20 Jason Merrill <jason@redhat.com>
5930 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5931 (push_visibility, pop_visibility): Likewise.
5932 * c-pragma.h: Declare them.
5934 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5936 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5938 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5939 parameter and use get_ebb_head_tail.
5940 (sh_md_init_global): Adjust uses of find_regmode_weight.
5942 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5944 * function.h (struct function) <x_tail_recursion_reentry>:
5945 Rename to x_stack_check_probe_note.
5946 (tail_recursion_reentry): Rename to stack_check_probe_note.
5947 * function.c: Replace tail_recursion_reentry with
5948 stack_check_probe_note everywhere.
5949 (expand_function_start): Only emit a note for
5950 stack_check_probe_note with -fstack-protect.
5951 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5953 * emit-rtl.c (remove_unnecessary_notes): Remove.
5954 (pass_remove_unnecessary_notes): Remove.
5955 * rtl.h (remove_unnecessary_notes): Remove prototype.
5956 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5957 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5958 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5960 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5963 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5964 (valid_in_set): Handle ARRAY_REF.
5965 Change "if min_variant or VH" to asserts.
5966 (create_component_ref_by_pieces): Handle ARRAY_REF.
5967 (create_expression_by_pieces): Likewise.
5968 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5970 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5972 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5973 is operand of switch, not str[0].
5975 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5977 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5978 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5980 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5982 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5983 end of insn_extra_address_constraint declaration.
5985 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5987 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5988 (no-sum-in-toc): Same.
5989 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5991 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5992 NO_FP_IN_TOC for -fPIC instead of mask.
5994 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5995 (BOOT_LDFLAGS): Delete.
5997 * config/rs6000/t-aix52: Same.
5999 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6000 (stmsi[345678]_power): New.
6002 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6004 * config/ia64/ia64.opt: Add empty line to end of file.
6006 2006-03-17 Richard Guenther <rguenther@suse.de>
6009 * builtins.c (get_pointer_alignment): For component style references
6010 adjust alignment to the component type alignment. Make sure
6011 to adjust alignment for component access of constants.
6013 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6015 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6018 2006-03-17 Paul Brook <paul@codesourcery.com>
6020 * doc/install.texi: Docuemnt --with-mode.
6021 * config.gcc: Add --with-mode for arm*-*-*.
6022 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6024 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6026 * sh.c (max_labelno_before_reorg): New variable.
6027 (sh_reorg): Initialize it.
6028 (find_barrier): Check max_labelno_before_reorg before using
6029 label_to_alignment. Take length of explicit alignment insns
6030 into account. When seeing a UNSPECV_CONST_END, return it.
6032 * sh.c (fixup_mova): Set mode of affected label to QImode.
6033 (untangle_mova): New function.
6034 (find_barrier): Use it. Check mode of label before decrementing
6036 (sh_reorg): Likewise.
6037 Set mode of all insns back to VOIDmode.
6039 * sh.c (MOVA_LABELREF): New macro.
6040 (mova_p, fixup_mova, sh_reorg): Use it.
6041 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6042 ADDR_DIFF_VEC matches mova.
6044 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6046 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6047 with ATTRIBUTE_UNUSED.
6049 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6051 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6052 pointer, instead of assuming it is possible to derive the
6053 correct args size from a call insn.
6055 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6057 * rtl.h (CONST_INT_P): Define.
6058 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6059 instead of GET_CODE(x) == CONST_INT.
6060 (vax_rtx_costs): Likewise.
6061 (vax_output_int_move): Likewise.
6062 (vax_output_int_add): Likewise.
6063 (legitimate_constant_address_p): Likewise.
6064 (index_term_p): Likewise.
6065 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6066 * config/vax/vax.md (and<mode>3): Likewise.
6067 (ashrsi3): Likewise.
6069 (movstricthi): Likewise.
6070 (movstrictqi): Likewise.
6071 (rotrsi3): Likewise.
6072 (five unnamed insns): Likewise.
6074 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6076 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6077 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6078 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6079 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6080 Pass to ASM_OUTPUT_DWARF_OFFSET.
6081 * dwarf2out.c (debug_frame_section): New.
6082 (output_call_frame_info): Use debug_frame_section. Pass it to
6083 dw2_asm_output_offset.
6084 (output_die): Pass appropriate section to dw2_asm_output_offset.
6085 (output_compilation_unit_header): Likewise.
6086 (output_pubnames): Likewise.
6087 (output_aranges): Likewise.
6088 (enum dw_val_class): Break dw_val_class_lbl_offset into
6089 dw_val_class_lineptr and dw_val_class_macptr.
6090 (add_AT_lbl_offset): Delete.
6091 (add_AT_lineptr): New.
6092 (add_AT_macptr): New.
6093 (AT_lbl): Expect a lineptr or macptr.
6094 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6095 (attr_checksum): Likewise.
6096 (same_dw_val_p): Likewise.
6097 (size_of_die): Likewise.
6098 (value_format): Likewise.
6099 (output_die): Likewise.
6100 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6102 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6103 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6104 * config/darwin-protos.h (darwin_file_start): New.
6105 (darwin_asm_output_dwarf_offset): New.
6106 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6107 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6109 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6110 if not EH section; simplify.
6111 (darwin_file_start): New.
6112 (darwin_asm_output_dwarf_offset): New.
6113 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6115 (DEBUG_INFO_SECTION): Likewise.
6116 (DEBUG_ABBREV_SECTION): Likewise.
6117 (DEBUG_ARANGES_SECTION): Likewise.
6118 (DEBUG_MACINFO_SECTION): Likewise.
6119 (DEBUG_LINE_SECTION): Likewise.
6120 (DEBUG_LOC_SECTION): Likewise.
6121 (DEBUG_PUBNAMES_SECTION): Likewise.
6122 (DEBUG_STR_SECTION): Likewise.
6123 (DEBUG_RANGES_SECTION): Likewise.
6124 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6125 (ASM_OUTPUT_DWARF_OFFSET): New.
6127 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6129 * config.gcc (tm_defines): Always add to previous value rather
6132 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6134 * config/mips/predicates.md (splittable_const_int_operand): New,
6135 split from move_operand.
6136 (splittable_symbolic_operand): New.
6137 (move_operand): Add commentary. Use splittable_const_int_operand.
6138 Inline mips_atomic_symbolic_constant_p.
6139 * config/mips/mips.md: Add combine splitters for handling moves
6140 of splittable_const_int_operands and splittable_symbolic_operands.
6141 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6142 (mips_split_symbol): Declare.
6143 (mips_move_integer): Declare.
6144 * config/mips/mips.c (mips_split_p): Make global.
6145 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6146 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6147 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6148 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6149 (mips_offset_within_object_p): Handle block symbols.
6150 (mips_atomic_symbolic_constant_p): Delete.
6151 (mips_cannot_force_const_mem): Return false for constants that
6152 mips_legitimize_move can handle.
6153 (mips_use_blocks_for_constant_p): New function.
6154 (mips_split_symbol): Make global.
6155 (mips_move_integer): Likewise. Add a temporary register argument.
6156 (mips_legitimize_const_move): Use splittable_const_int_operand and
6157 splittable_symbolic_operand.
6158 (mips_use_anchors_for_symbol_p): New function.
6159 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6160 (mips_split_p): Declare.
6162 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6164 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6165 (mips*-*-linux*): Likewise.
6167 2006-03-16 Roger Sayle <roger@eyesopen.com>
6168 Daniel Speyer <dspeyer@wam.umd.edu>
6171 * tree-dump.c (dump_real): New function.
6172 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6173 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6174 (tree-dump.o): Add $(REAL_H) to the dependencies.
6176 2006-03-16 Roger Sayle <roger@eyesopen.com>
6179 * real.c (real_from_string): If the mantissa is zero, don't bother
6180 parsing the exponent as the result should always be zero.
6182 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6184 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6186 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6188 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6189 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6190 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6191 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6192 ia64_sched_finish_global): New static functions to implement
6193 hooks from gcc_target.sched.
6194 (spec_check_no, max_uid, pending_data_specs): New static variables.
6195 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6196 ia64_spec_check_src_p): New static functions.
6197 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6198 (TARGET_SCHED_ADJUST_COST): Removed.
6199 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6200 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6201 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6202 TARGET_SCHED_GEN_CHECK,
6203 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6204 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6205 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6206 Fixed to handle speculation checks.
6207 (rtx_needs_barrier): Fixed to handle speculative loads and
6209 (ia64_variable_issue): Added code to count speculative loads and their
6211 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6213 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6215 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6217 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6218 (ia64_reorg): Reset stops_p to NULL after it is freed.
6219 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6220 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6221 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6223 (data_speculative, control_speculative, check_load): New attributes.
6224 (mov<mode>_advanced, mov<mode>_speculative,
6225 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6226 zero_extend<mode>di2_speculative,
6227 zero_extend<mode>di2_speculative_advanced): New patterns for
6228 data and control speculative loads.
6229 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6231 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6232 New pattern for data and control speculation checks.
6233 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6234 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6235 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6236 Auxiliary definitions for the patterns.
6237 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6238 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6240 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6242 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6243 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6244 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6245 New resource constraints.
6246 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6248 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6249 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6250 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6251 msched-in-control-spec, msched-ldc, msched-control-ldc,
6252 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6253 msched-prefer-non-control-spec-insns,
6254 msched-count-spec-in-critical-path): New flags to tune speculative
6256 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6257 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6258 msched-in-control-spec, msched-ldc, msched-control-ldc,
6259 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6260 msched-prefer-non-control-spec-insns,
6261 msched-count-spec-in-critical-path): Document new flags.
6263 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6265 * target.h (struct spec_info_def): New opaque declaration.
6266 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6267 speculate_insn, needs_block_p, gen_check,
6268 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6269 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6270 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6271 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6272 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6273 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6275 (TARGET_SCHED): Use new macros.
6276 * rtl.h (copy_DEPS_LIST_list): New prototype.
6277 * sched-int.h (struct sched_info): Change signature of new_ready field,
6278 adjust all initializations. New fields: add_remove_insn,
6279 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6280 region_head_or_leaf_p.
6281 (struct spec_info_def): New structure declaration.
6282 (spec_info_t): New typedef.
6283 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6284 recovery_block, orig_pat.
6285 (glat_start, glat_end): New variables declaraions.
6286 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6288 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6289 DETACH_LIFE_INFO, USE_GLAT.
6290 (enum SPEC_SCHED_FLAGS): New enumeration.
6291 (NOTE_NOTE_BB_P): New macro.
6292 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6293 attach_life_info, debug_spec_status, check_reg_live): New functions.
6294 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6295 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6297 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6298 * ddg.c (get_block_head_tail): Adjust all uses.
6299 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6300 (sms_sched_info): Initialize new fields.
6301 (contributes_to_priority): Removed.
6302 * haifa-sched.c (params.h): New include.
6303 (get_block_head_tail): Adjust all uses.
6304 (ISSUE_POINTS): New macro.
6305 (glat_start, glat_end): New global variables.
6306 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6307 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6308 old_last_basic_block, before_recovery, current_sched_info_var,
6309 rgn_n_insns, luid): New static variables.
6310 (insn_cost1): New function. Move logic from insn_cost to here.
6311 (find_insn_reg_weight1): New function. Move logic from
6312 find_insn_reg_weight to here.
6313 (reemit_notes, move_insn, max_issue): Change signature.
6314 (move_insn1): Removed.
6315 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6316 extend_bb): New static functions to support extension of scheduler's
6318 (generate_recovery_code, process_insn_depend_be_in_spec,
6319 begin_speculative_block, add_to_speculative_block,
6320 init_before_recovery, create_recovery_block, create_check_block_twin,
6321 fix_recovery_deps): New static functions to support
6322 generation of recovery code.
6323 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6324 restore_bb_notes, move_block_after_check, move_succs): New static
6325 functions to support ebb scheduling.
6326 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6327 functions to support handling of register live information.
6328 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6329 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6330 add_jump_dependencies): New static functions.
6331 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6332 consistancy checking.
6333 (debug_spec_status): New function to call from debugger.
6334 (priority): Added code to handle speculation checks.
6335 (rank_for_schedule): Added code to distinguish speculative instructions.
6336 (schedule_insn): Added code to handle speculation checks.
6337 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6338 Fixed to handle ebbs.
6339 (move_insn): Added code to handle ebb scheduling.
6340 (max_issue): Added code to use ISSUE_POINTS of instructions.
6341 (choose_ready): Added code to choose between speculative and
6342 non-speculative instructions.
6343 (schedule_block): Added code to handle ebb scheduling and scheduling of
6344 speculative instructions.
6345 (sched_init): Initialize new variables.
6346 (sched_finish): Free new variables. Print statistics.
6347 (try_ready): Added code to handle speculative instructions.
6348 * lists.c (copy_DEPS_LIST_list): New function.
6349 * sched-deps.c (extend_dependency_caches): New function. Move logic
6350 from create_dependency_caches to here.
6351 (get_dep_weak, ds_merge): Make global.
6352 * genattr.c (main): Code to output prototype for
6353 dfa_clear_single_insn_cache.
6354 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6355 (output_dfa_clean_insn_cache_func): Code to output
6356 dfa_clear_single_insn_cache function.
6357 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6359 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6361 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6362 New static variables.
6363 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6364 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6366 (ebb_sched_info): Initialize new fields.
6367 (get_block_head_tail): Adjust all uses.
6368 (compute_jump_reg_dependencies): Fixed to use glat_start.
6369 (schedule_ebb): Code to remove unreachable last block.
6370 (schedule_ebbs): Added code to update register live information.
6371 * sched-rgn.c (region_sched_info): Initialize new fields.
6372 (get_block_head_tail): Adjust all uses.
6373 (last_was_jump): Removed. Adjust users.
6374 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6375 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6376 Implement new hooks.
6377 (check_dead_notes1): New static function.
6378 (struct region): New fields: dont_calc_deps, has_real_ebb.
6379 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6380 (BB_TO_BLOCK): Fixed to handle EBBs.
6381 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6382 (ebb_head): New static variable.
6383 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6384 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6386 (compute_dom_prob_ps): New assertion.
6387 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6388 global_live_at_start.
6389 (init_ready_list): New assertions.
6390 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6391 (new_ready): Add support for BEGIN_CONTROL speculation.
6392 (schedule_insns): Fixed code that updates register live information
6394 (schedule_region): Fixed to handle EBBs.
6395 (init_regions): Use extend_regions and check_dead_notes1.
6396 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6397 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6398 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6399 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6400 TARGET_SCHED_GEN_CHECK,
6401 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6402 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6403 * doc/invoke.texi (max-sched-insn-conflict-delay,
6404 sched-spec-prob-cutoff): Document.
6406 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6408 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6409 inter_tick, queue_index.
6410 (struct sched_info): Change signature of init_ready_list field.
6411 Adjust all initializations.
6412 (RESOLVED_DEPS): New access macro.
6413 (ready_add): Remove prototype.
6414 (try_ready): Add prototype.
6415 * sched-rgn.c (init_ready_list): Use try_ready.
6416 (schedule_region): Initialize
6417 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6418 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6419 (init_ready_list): Use try_ready.
6420 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6421 * lists.c (remove_list_elem): Remove `static'.
6422 (remove_free_INSN_LIST_elem): New function.
6423 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6424 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6425 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6427 (readyp): New variable.
6428 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6429 change_queue_index, resolve_dep): New static functions.
6430 (try_ready): New function. Adjust callers in sched-rgn.c and
6431 sched-ebb.c to use it instead of ready_add.
6432 (clock_var): Move at the begining of file.
6433 (rank_for_schedule): Fix typo.
6434 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6435 (ready_lastpos): Enforce assertion.
6436 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6438 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6439 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6440 (queue_to_ready): Use free_INSN_LIST_list.
6441 (early_queue_to_ready): Fix typo.
6442 (schedule_block): Init readyp. Move init_ready_list call after the
6443 initialization of clock_var. Fix error in rejecting insn by
6444 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6445 that previously corrected INSN_TICKs. Add code for handling
6447 (set_priorities): Fix typo.
6448 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6449 Clarify comment and code that keeps current_sched_info->next_tail
6452 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6454 * sched-rgn.c (extend_rgns): New static function.
6455 (find_rgns): Use it.
6456 (gather_region_statistics, print_region_statistics): New static
6458 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6459 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6461 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6462 Andrey Belevantsev <abel@ispras.ru>
6464 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6465 * lists.c (unused_deps_list): New variable.
6466 (free_list): Add assertions to verify the proper distinguishing
6467 between INSN_LISTs and DEPS_LISTs.
6468 (find_list_elem, remove_list_elem, remove_list_node): New static
6470 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6471 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6472 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6473 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6475 (free_INSN_LIST_node): Likewise.
6476 * modulo-sched.c (current_sched_info): Initialize flags field.
6477 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6478 * rtl.def (DEPS_LIST): Define.
6479 * rtl.h: Declare new functions from lists.c.
6480 * sched-deps.c (spec_dependency_cache): New static variable.
6481 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6482 (add_dependence): Change return type to void. Move the logic to ...
6483 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6484 (delete_all_dependences): Add comment about forward_dependency_cache.
6485 Handle spec_dependency_cache. Handle DEPS_LISTs.
6486 (fixup_sched_groups): Clarify the change of priority of output
6487 and anti dependencies.
6488 (sched_analyze_2): Adjust add_dependence calls to create data
6489 speculative dependence.
6490 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6491 Adjust all callers. Handle DEPS_LISTS.
6492 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6493 presence of speculation.
6494 (init_dependency_caches, free_dependency_caches):
6495 Handle spec_dependency_cache.
6496 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6497 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6498 New static functions.
6499 (add_or_update_back_dep, add_or_update_back_forw_dep,
6500 add_back_forw_dep, delete_back_forw_dep): New functions.
6501 * sched-int.h (ds_t, dw_t): New typedefs.
6502 (struct sched_info): Add new field flags.
6503 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6504 Prototype new sched-deps.c functions.
6505 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6506 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6507 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6508 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6509 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6510 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6512 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6514 * sched-rgn.c (current_sched_info): Initialize flags field.
6515 (schedule_insns): Initialize current_sched_info before the sched_init
6517 * sched-ebb.c (current_sched_info): Initialize flags field.
6518 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6519 Call add_or_update_back_dep instead of add_dependence.
6520 Create control speculative dependencies.
6521 (schedule_insns): Initialize current_sched_info before the sched_init
6524 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6526 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6528 (sh_fallback_frame_state): Likewise.
6530 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6532 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6533 Do switch on default_use_cxa_atexit.
6534 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6535 * config/darwin-crt3.o: New.
6536 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6537 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6538 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6540 * config/rs6000/t-darwin: Move crt2.o building to here.
6541 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6542 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6545 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6547 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6548 from '! xxx' to '!xxx' for coding-style conformance.
6549 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6550 (EXTRA_CONSTRAINT): Likewise.
6551 * config/vax/vax.md (four unnamed insns): Likewise.
6553 2006-03-15 Paul Brook <paul@codesourcery.com>
6555 * config/arm/arm.c (minipool_pad): New.
6556 (add_minipool_forward_ref): Include pool alignment padding in address
6558 (push_minipool_fix): Set minipool_pad.
6559 (minipool_pad): Ditto.
6561 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6563 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6564 instead of GET_CODE() == MEM and REG_P() instead of
6566 (print_operand_address): Likewise.
6567 (vax_address_cost): Likewise.
6568 (vax_rtx_costs): Likewise.
6569 (vax_notice_update_cc): Likewise.
6570 (vax_output_int_add): Likewise.
6571 (INDEX_REGISTER_P): Likewise.
6572 (BASE_REGISTER_P): Likewise.
6573 (nonindexed_address_p): Likewise.
6574 (vax_mode_dependent_address_p): Likewise.
6575 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6576 (PRINT_OPERAND): Likewise.
6577 * config/vax/vax.md (ashlsi3): Likewise.
6578 (ashlsi3): Likewise.
6579 (some more unnamed insns): Likewise.
6581 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6583 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6584 iterator-style macro.
6585 (mark_control_dependent_edges_necessary): Update the use of
6586 EXECUTE_IF_CONTROL_DEPENDENT.
6588 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6590 * config/sh/predicates.md (cache_address_operand): Special.
6591 (ua_address_operand): Likewise.
6593 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6595 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6597 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6599 2006-03-15 Andreas Schwab <schwab@suse.de>
6601 * gensupport.c (identify_predicable_attribute): Don't free p_false
6602 when it is still in use.
6604 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6606 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6607 the default setting here.
6609 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6611 * tree-pass.h (pass_cfg): Remove.
6612 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6613 * passes.c (pass_cfg): Don't run it.
6615 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6617 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6618 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6620 (stack_regs_mentioned): Update the uses of
6621 stack_regs_mentioned_data. Don't access the array beyond its
6623 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6624 Don't include gt-reg-stack.h.
6626 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6627 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6629 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6632 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6635 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6637 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6639 2006-03-14 Richard Guenther <rguenther@suse.de>
6641 PR tree-optimization/26672
6642 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6645 2006-03-14 Richard Guenther <rguenther@suse.de>
6647 PR tree-optimization/26667
6648 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6649 node for the callees. Always allow inlining if it will shrink
6652 2006-03-14 Richard Guenther <rguenther@suse.de>
6655 * builtins.c (get_pointer_alignment): Prefer alignment
6656 information from decls over that from types.
6658 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6661 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6663 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6665 * config/rs6000/rs6000.opt (mdlmzb): New option.
6666 (msched-prolog, msched-epilog): Use Var not Mask.
6667 * doc/invoke.texi (-mdlmzb): Document.
6668 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6670 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6671 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6673 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6675 PR rtl-optimization/25739
6676 * bt-load.c (augment_live_range): Free tos pointer.
6678 * gensupport.c (identify_predicable_attribute): Free
6680 * gcov.c (create_file_names): Free name pointer.
6682 2006-03-13 Roger Sayle <roger@eyesopen.com>
6685 * stmt.c (emit_case_nodes): Handle the case where the index is a
6686 CONST_INT, where the comparison mode is specified by the index type.
6688 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6690 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6693 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6695 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6696 (*branch_fp_inverted): Likewise.
6698 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6701 * omp-low.c (expand_omp_for_generic): Mark istart0
6702 and iend0 as addressable.
6704 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6706 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6708 2006-03-13 Jeff Law <law@redhat.com>
6710 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6711 virtual operands are interesting.
6712 (vrp_visit_stmt): Corresponding changes.
6714 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6716 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6718 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6719 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6720 * config/bfin/crti.S: Use it instead of __PIC__.
6721 * config/bfin/crtn.S: Likewise.
6723 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6724 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6726 Lose 'G' modifier for call operand.
6727 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6728 recognize 'G' modifier.
6730 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6733 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6734 * stmt.c (expand_case): Likewise.
6736 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6738 PR rtl-optimization/26254
6739 * loop-invariant.c (seq_insns_valid_p): New function.
6740 (move_invariant_reg): Only emit new code if it is valid.
6742 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6744 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6746 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6747 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6748 (commit_one_edge_insertion): Do not look for loop notes.
6750 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6752 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6753 flag_test_coverage out of loop.
6755 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6757 * final.c (shorten_branches): Remove outdated comment, and turn
6758 the if branch that guards it to continue.
6760 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6762 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6763 * cfgloop.h (struct loop): Remove unused fields.
6765 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6767 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6768 (-dL, -fdump-rtl-loop2): Update the dump file names
6770 * doc/invoke.texi: Update dump file names.
6772 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6774 * predict.c (estimate_probability): Remove.
6775 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6776 * basic-block.h (estimate_probability): Remove prototype.
6777 * passes.c (finish_optimization_passes): Dump branch prediction or
6778 profiling heuristics to the .profile tree dump.
6779 (init_optimization_passes): Unqueue pass_branch_prob.
6781 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6783 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6785 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6786 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6788 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6790 * function.h (frame_offset_overflow): Declare.
6791 * function.c (frame_offset_overflow): New function.
6792 (assign_stack_local_1): Call it to detect that the offset overflows.
6793 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6795 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6797 * config/sh/sh.c: Include alloc-pool.h.
6798 (label_ref_list_pool): New alloc pool.
6799 (label_ref_list_t): New type for lists of labels.
6800 (struct pool_node): Make wend a label_ref_list_t.
6801 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6803 (dump_table): Likewise.
6804 (sh_reorg): Set up the alloc pool before using add_constant and
6805 dump_table, and destroy it when finishing.
6807 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6809 * config/mips/mips.c: Remove redundant comment.
6811 2006-03-10 Jason Merrill <jason@redhat.com>
6814 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6815 the target was declared 'register'.
6817 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6819 * genpreds.c (write_insn_constraint_len): Change definition of
6820 insn_constraint_len to return size_t to match the declaration.
6822 2006-03-10 DJ Delorie <dj@redhat.com>
6824 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6826 (m32c_expand_insv): Fix test for an AND mask.
6828 2006-03-10 Richard Guenther <rguenther@suse.de>
6831 * builtins.c (get_pointer_alignment): Handle component
6832 references for field alignment.
6834 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6836 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6837 when building with libgloss.
6838 (sh*elf): Implement --without-fp option.
6839 (sh64-superh-linux*): Don't multilib.
6841 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6843 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6845 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6847 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6848 Set it when one of the replacement functions returned true.
6849 Return TODO_cleanup_cfg if cfgchanged is true.
6850 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6852 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6854 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6855 instead of gen_lowpart.
6857 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6859 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6861 (mips_output_order_conditional_branch): Declare.
6862 * config/mips/mips.h (MIPS_BRANCH): New macro.
6863 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6864 for the comparison. Use gen_condjump.
6865 (mips_output_conditional_branch): Rework interface to take the
6866 asm templates for a direct branch and the inverse of a direct branch.
6867 (mips_output_order_conditional_branch): New function.
6868 (mips_builtin_branch_and_move): New function.
6869 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6870 branch condition. Use gen_single_cc as the condition for
6871 __builtin_mips_upper_* or __builtin_mips_lower_*.
6872 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6873 Use VOIDmode for the branch condition.
6874 * config/mips/predicates.md (order_operator): New predicate.
6875 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6876 (branch_fp): Rename to...
6877 (*branch_fp): ...this. Remove mode from comparison operator.
6878 Use new mips_output_conditional_branch interface.
6879 (branch_fp_inverted): Rename to...
6880 (*branch_fp_inverted): ...this and update as for *branch_fp.
6881 (*branch_zero<mode>): Rename to...
6882 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6883 Use mips_output_order_conditional_branch. Only accept ordered
6885 (*branch_zero<mode>_inverted): Rename to...
6886 (*branch_order<mode>_inverted): ...this and update as for
6887 *branch_order<mode>.
6888 (*branch_equality<mode>): Accept zero as the second operand to
6889 the equality operator. Use the new mips_output_conditional_branch
6891 (*branch_equality<mode>_inverted): Likewise.
6892 (condjump): New expander.
6893 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6895 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6896 (bc1any2t, bc1any2f): Likewise.
6897 (single_cc): New expander.
6898 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6900 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6902 * doc/md.texi: Update documentation of MIPS constraints.
6903 * config/mips/constraints.md: New file.
6904 * config/mips/mips.md: Include it.
6905 * config/mips/mips.c (mips_char_to_class): Delete.
6906 (override_options): Don't initialize mips_char_to_class.
6907 * config/mips/mips.h (mips_char_to_class): Delete.
6908 (REG_CLASS_FROM_LETTER): Delete.
6909 (CONST_OK_FOR_LETTER_P): Delete.
6910 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6911 (EXTRA_CONSTRAINT_Y): Delete.
6912 (EXTRA_CONSTRAINT_STR): Delete.
6913 (CONSTRAINT_LEN): Delete.
6914 (EXTRA_MEMORY_CONSTRAINT): Delete.
6916 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6918 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6919 original fn's eh regions.
6921 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6923 * fold-const.c (build_range_check): Make sure to use a valid type to
6924 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6927 (range_predecessor): New static function.
6928 (range_successor): Likewise.
6929 (merge_ranges): Use them to compute predecessors and successors of
6932 2006-03-09 Roger Sayle <roger@eyesopen.com>
6935 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6936 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6938 2006-03-08 DJ Delorie <dj@redhat.com>
6940 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6941 (addpsi3): Expand to include memory operands. Remove
6942 reload-specific splits.
6943 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6944 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6945 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6946 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6947 (shift1_qi, shift1_hi, insv): New.
6948 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6949 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6950 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6952 * config/m32c/m32c-protos.h: Update as needed.
6953 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6954 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6955 Fail for unrecognized R* constraints.
6956 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6957 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6958 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6960 (m32c_init_libfuncs): New.
6961 (m32c_legitimate_address_p): Add debug wrapper.
6962 (m32c_rtx_costs): New.
6963 (m32c_address_cost): New.
6964 (conversions): Add 'B' prefix.
6965 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6966 operands, or word regnames for QI operands. 'B' prints bit
6968 (m32c_expand_setmemhi): New.
6969 (m32c_expand_movmemhi): New.
6970 (m32c_expand_movstr): New.
6971 (m32c_expand_cmpstr): New.
6972 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6973 (m32c_expand_neg_mulpsi3): Handle non-ints.
6974 (m32c_cmp_flg_0): New.
6975 (m32c_expand_movcc): New.
6976 (m32c_expand_insv): New.
6977 (m32c_scc_pattern): New.
6978 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6979 a0/a1 out of SIregs.
6980 (STORE_FLAG_VALUE): New.
6981 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6984 * config/m32c/mov.md: Make constraints more liberal.
6985 (zero_extendqihi2): Optimize r0/r1 case.
6986 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6987 * config/m32c/predicates.md (m32c_any_operand): New.
6988 (m32c_nonimmediate_operand): New.
6989 (m32c_hl_operand): New.
6990 (m32c_r3_operand): New.
6993 (memsym_operand): New.
6994 (memimmed_operand): New.
6995 (a_qi_operand): New.
6996 (m32c_eqne_operator): New.
6997 (m32c_1bit8_operand): New.
6998 (m32c_1bit16_operand): New.
6999 (m32c_1mask8_operand): New.
7000 (m32c_1mask16_operand): New.
7001 * config/m32c/blkmov.md: New file.
7002 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7004 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7006 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7007 unsigned to fix signed/unsigned comparison issue in
7008 DWARF2_FRAME_REG_OUT.
7009 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7010 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7012 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7013 of ptr into the ENABLE_CHECKING section.
7015 2006-03-08 Jeff Law <law@redhat.com>
7017 * tree-vrp.c (infer_value_range): Only count pointer uses
7018 and dereferences if -fdelete-null-pointer-checks is enabled.
7020 * tree-vrp.c (find_assert_locations): Infer value ranges for
7021 single use pointers, but do not create ASSERT_EXPRs for them.
7022 When a non-null range is inferred for a pointer, backwards
7023 propagate that range to other equivalent pointers through the
7026 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7029 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7030 language hook targets.
7031 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7032 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7033 if language hook targets were missing.
7035 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7037 * tree-ssa-opfinalize.h: Removed.
7038 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7040 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7041 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7042 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7043 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7044 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7045 finalize_ssa_v_must_def_ops): New.
7047 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7049 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7052 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7054 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7056 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7057 addresses with offsets; reorganize.
7059 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7060 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7061 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7063 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7066 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7068 2006-03-08 Ben Elliston <bje@au.ibm.com>
7070 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7072 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7075 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7078 2006-03-07 Richard Guenther <rguenther@suse.de>
7080 PR tree-optimization/26587
7081 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7083 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7085 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7087 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7089 * hooks.c (hook_bool_mode_rtx_true): New function.
7090 * hooks.h (hook_bool_mode_rtx_true): Declare.
7091 * toplev.c (compile_file): Call output_shared_constant_pool.
7092 * varasm.c (shared_constant_pool): New variable.
7093 (assemble_start_function, assemble_end_function): Remove arguments
7094 from call to output_constant_pool.
7095 (create_constant_pool): New function, split out from...
7096 (init_varasm_status): ...here.
7097 (force_const_mem): Choose between the shared and per-function constant
7098 pools. Set current_function_uses_const_pool when reusing old entries
7099 as well as when creating new ones.
7100 (mark_constant): Ignore data argument.
7101 (mark_constants): Remove pool argument.
7102 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7103 to decide whether the function uses a constant pool.
7104 (output_constant_pool_contents): New function, split out from...
7105 (output_constant_pool): ...here.
7106 (output_shared_constant_pool): New function.
7107 (init_varasm_once): Initialize shared_constant_pool.
7108 * output.h (output_constant_pool): Delete.
7109 (output_shared_constant_pool): Declare.
7110 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7111 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7113 2006-03-06 Nick Clifton <nickc@redhat.com>
7115 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7116 flag_strength_reduce.
7118 2006-03-06 Ben Elliston <bje@au.ibm.com>
7120 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7121 x86_64-*-linux* configurations.
7123 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7124 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7126 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7128 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7130 * basic-block.h: Remove the extern for
7131 rediscover_loops_after_threading.
7133 * cfgloop.c (cancel_loop): Make it static.
7134 * cfgloop.h: Remove the prototype for cancel_loop.
7136 * flow.c (recompute_reg_usage): Make it static.
7137 * rtl.h: Remove the prototype for recompute_reg_usage.
7139 * function.c (use_return_register): Make it static.
7140 * function.h: Remove the prototype.
7142 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7144 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7146 * recog.h: Remove the prototype for
7147 validate_change_maybe_volatile.
7149 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7151 * rtlanal.c (replace_reg): Remove.
7152 * rtl.h: Remove the prototype for replace_reg.
7154 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7156 * regclass.c (reg_scan_update): Remove.
7157 (reg_scan_mark_refs): Remove the last argument.
7158 * rtl.h: Remove the prototype for reg_scan_update.
7160 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7162 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7163 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7164 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7165 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7166 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7167 loop-invariant.c, omp-low.c, opts.c, passes.c,
7168 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7169 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7170 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7171 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7172 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7173 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7175 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7177 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7178 * dwarf2out.h: Remove the prototype for
7179 dwarf2out_add_library_unit_info.
7181 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7183 * tree.c (add_var_to_bind_expr): Remove.
7184 * tree.h: Remove the prototype for add_var_to_bind_expr.
7186 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7188 * regclass.c (n_non_fixed_regs): Remove.
7189 (init_reg_sets_1, globalize_reg): Remove all uses of
7191 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7193 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7195 * rtlanal.c (insns_safe_to_move_p): Remove.
7196 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7198 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7200 * expmed.c (expand_mult_add): Remove.
7201 * expr.h: Remove the prototype for expand_mult_add.
7203 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7205 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7206 and REG_SAVED_VAL_EXP constants.
7207 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7208 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7209 Handle regs stored by value.
7210 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7211 (execute_cfa_program): Handle DW_CFA_val_offset,
7212 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7213 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7214 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7215 (uw_install_context_1): Handle target regs stored by value.
7217 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7219 * tree-sra.c (tree_sra): Return todoflags;
7220 (generate_one_element): Set TODO_update_smt_usage if needed.
7221 (pass_sra): Remove TODO_update_smt_usage.
7222 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7224 (tree_ssa_forward_propagate_single_use_vars): Return
7225 TODO_update_smt_usage if we need to update SMT usage.
7226 (pass_forwprop): Remove TODO_update_smt_usage.
7228 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7230 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7231 (correct_use_link): Remove reference to get_stmt_operands.
7232 (update_stmt_operands): Likewise.
7233 (get_modify_expr_operands): New function factored out of
7234 parse_ssa_operands and get_expr_operands.
7235 Try to create V_MUST_DEFs for LHS by default.
7236 (get_expr_operands) <case MODIFY_EXPR>: Call
7237 get_modify_expr_operands.
7238 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7239 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7240 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7241 get_modify_expr_operands.
7243 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7245 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7246 * tree-flow.h: Remove the prototype for
7247 referenced_var_lookup_if_exists.
7249 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7251 PR rtl-optimization/26345
7253 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7255 2006-03-03 Roger Sayle <roger@eyesopen.com>
7257 PR tree-optimization/26524
7258 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7259 fold_convert to create a constant of the appropriate type.
7261 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7263 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7264 SYMBOL_REF_IN_BLOCK_P.
7265 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7266 of SYMBOL_FLAG_IN_BLOCK.
7267 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7268 instead of SYMBOL_REF_IN_BLOCK_P.
7269 * explow.c (use_anchored_address): Likewise.
7270 * rtl.c (rtx_size): Likewise.
7271 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7272 instead of SYMBOL_FLAG_IN_BLOCK.
7273 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7274 SYMBOL_REF_IN_BLOCK_P.
7275 (assemble_variable): Likewise.
7276 (output_constant_def_contents): Likewise.
7277 (output_constant_pool): Likewise.
7278 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7279 instead of SYMBOL_FLAG_IN_BLOCK.
7280 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7281 SYMBOL_REF_IN_BLOCK_P.
7282 (SYMBOL_REF_BLOCK): Likewise.
7283 (SYMBOL_REF_OFFSET): Likewise.
7284 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7285 SYMBOL_REF_IN_BLOCK_P.
7286 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7287 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7288 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7289 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7291 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7293 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7295 2006-03-02 Roger Sayle <roger@eyesopen.com>
7297 * simplify-rtx.c (simplify_unary_operation): When simplifying
7298 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7299 that we perform the right shift in the appropriate mode, and
7300 then extend or truncate the result to requested mode.
7302 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7304 * gengtype.c (main): Handle double_int type.
7305 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7306 * double-int.c: New file.
7307 * double-int.h: New file.
7308 * system.h: Include doubleint.h.
7309 * Makefile.in (SYSTEM_H): Include double-int.h.
7310 (double-int.o): Add.
7312 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7315 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7318 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7320 * tree-vrp.c (remove_range_assertions): Do not update statements
7323 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7325 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7327 * gcse.c (rest_of_handle_gcse): Ditto.
7328 * except.c (gate_handle_eh): Ditto.
7329 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7330 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7332 2006-03-02 Eric Christopher <echristo@apple.com>
7334 * config/i386/i386.c (machopic_output_stub): Add indirection to
7337 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7341 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7343 Sun Niagara specific optimizations.
7344 * config.gcc: Recognize niagara as target.
7345 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7346 (TARGET_CPU_niagara): Define.
7347 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7348 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7349 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7350 (ASM_CPU_SPEC): Likewise.
7351 (PROCESSOR_NIAGARA): New enum entry.
7352 (REGISTER_MOVE_COST): Handle Niagara.
7353 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7354 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7355 (sparc_override_options): Recognize "niagara", set appropriate
7356 default MASK_* values for it, and align functions to 32-bytes
7357 by default just like ULTRASPARC/ULTRASPARC3.
7358 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7359 (sparc64_initialize_trampoline): Likewise.
7360 (sparc_use_sched_lookahead): Use zero for niagara.
7361 (sparc_issue_rate): Use one for niagara.
7362 * config/sparc/niagara.md: New file.
7363 * config/sparc/sparc.md: Include it.
7364 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7365 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7366 when default cpu is niagara.
7367 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7368 (ASM_CPU_SPEC): Likewise.
7369 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7370 when default cpu is niagara.
7371 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7372 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7373 just like v9/ultrasparc/ultrasparc3.
7374 * doc/invoke.texi: Add documentation for "niagara" and improve
7375 existing documentation for ultrasparc variants.
7377 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7379 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7381 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7383 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7384 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7385 and say that only one is needed.
7386 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7387 * target.h (have_switchable_bss_sections): New hook.
7388 * explow.c (use_anchored_address): Check that the symbol is in a block.
7389 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7390 (bss_noswitch_section): New variables.
7391 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7392 (get_noswitch_section): New function.
7393 (get_block_for_section): Allow SECT to be null.
7394 (unlikely_text_section_p): Use SECTION_STYLE.
7395 (bss_initializer_p): New function.
7396 (get_variable_section): Move earlier in file. Take a new argument,
7397 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7398 Return one of the new *_sections in such cases.
7399 (get_block_for_decl): New function, extracting some logic from
7400 use_blocks_for_decl_p.
7401 (change_symbol_section): Remove in favor of...
7402 (change_symbol_block): ...this new function.
7403 (use_blocks_for_decl_p): Remove checks now performed by
7405 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7406 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7407 (emit_local, emit_bss, emit_common): ...these new functions.
7408 Return true if the alignment was honored.
7409 (emit_tls_common): New function.
7410 (asm_emit_uninitialised): Delete.
7411 (assemble_variable_noswitch): New function, split out from...
7412 (assemble_variable): ...here. Don't make decisions about common
7413 variables here. Globalize all public decls that go into non-common
7414 sections. Check whether SYMBOL_REF_BLOCK is null.
7415 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7416 (output_constant_pool): Likewise.
7417 (init_varasm_once): Initialize the new section variables.
7418 (have_global_bss_p): New function.
7419 (categorize_decl_for_section): Use bss_initializer_p.
7420 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7421 (place_block_symbol): Assert that the symbol must be in a block.
7422 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7423 (TARGET_INITIALIZER): Include it.
7424 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7425 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7426 (SECTION_MACH_DEP): Bump by two.
7427 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7428 (unnamed_section): Mention SECTION_UNNAMED in comment.
7429 (named_section): Likewise SECTION_NAMED.
7430 (noswitch_section_callback): New type.
7431 (noswitch_section): New structure.
7432 (section): Add a noswitch_section alternative.
7433 (SECTION_STYLE): New macro.
7434 (tls_comm_section, comm_section, lcomm_section): Declare.
7435 (bss_noswitch_section, have_global_bss_p): Declare.
7436 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7437 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7439 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7440 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7443 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7445 * tree-vrp.c (execute_vrp): Return value.
7446 * regrename.c (rest_of_handle_regrename): Ditto.
7447 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7448 * tree-complex.c (tree_lower_complex): Ditto.
7449 (tree_lower_complex_O0): Ditto.
7450 * tracer.c (rest_of_handle_tracer): Ditto.
7451 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7452 * postreload.c (rest_of_handle_postreload): Ditto.
7453 * tree-tailcall.c (execute_tail_recursion): Ditto.
7454 (execute_tail_calls): Ditto.
7455 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7456 * tree.h (init_function_for_compilation): Ditto.
7457 * ipa-cp.c (ipcp_driver): Ditto.
7458 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7459 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7460 * final.c (compute_alignments): Ditto.
7461 (rest_of_handle_final): Ditto.
7462 (rest_of_handle_shorten_branches): Ditto.
7463 (rest_of_clean_state): Ditto.
7464 * omp-low.c (execute_expand_omp): Ditto.
7465 (execute_lower_omp): Ditto.
7466 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7467 * ipa-reference.c (static_execute): Ditto.
7468 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7469 * reorg.c (rest_of_handle_delay_slots): Ditto.
7470 (rest_of_handle_machine_reorg): Ditto.
7471 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7472 * flow.c (recompute_reg_usage): Ditto.
7473 (rest_of_handle_remove_death_notes): Ditto.
7474 (rest_of_handle_life): Ditto.
7475 (rest_of_handle_flow2): Ditto.
7476 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7477 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7478 (do_ssa_store_ccp): Ditto.
7479 (execute_fold_all_builtins): Ditto.
7480 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7481 * modulo-sched.c (rest_of_handle_sms): Ditto.
7482 * ipa-pure-const.c (static_execute): Ditto.
7483 * cse.c (rest_of_handle_cse): Ditto.
7484 (rest_of_handle_cse2): Ditto.
7485 * web.c (rest_of_handle_web): Ditto.
7486 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7487 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7488 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7489 * tree-nrv.c (tree_nrv): Ditto.
7490 (execute_return_slot_opt): Ditto.
7491 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7492 (create_structure_vars): Ditto.
7493 * loop-init.c (rtl_loop_init): Ditto.
7494 (rtl_loop_done): Ditto.
7495 (rtl_move_loop_invariants): Ditto.
7496 (rtl_unswitch): Ditto.
7497 (rtl_unroll_and_peel_loops): Ditto.
7498 (rtl_doloop): Ditto.
7499 * gimple-low.c (lower_function_body): Ditto.
7500 (mark_used_blocks): Ditto.
7501 * tree-ssa-sink.c (execute_sink_code): Ditto.
7502 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7503 (cgraph_early_inlining): Ditto.
7504 * global.c (rest_of_handle_global_alloc): Ditto.
7505 * jump.c (cleanup_barriers): Ditto.
7506 (purge_line_number_notes): Ditto.
7507 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7508 (rest_of_handle_if_after_reload): Ditto.
7509 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7510 (tree_ssa_loop_im): Ditto.
7511 (tree_ssa_loop_unswitch): Ditto.
7512 (tree_vectorize): Ditto.
7513 (tree_linear_transform): Ditto.
7514 (tree_ssa_loop_ivcanon): Ditto.
7515 (tree_ssa_empty_loop): Ditto.
7516 (tree_ssa_loop_bounds): Ditto.
7517 (tree_complete_unroll): Ditto.
7518 (tree_ssa_loop_prefetch): Ditto.
7519 (tree_ssa_loop_ivopts): Ditto.
7520 (tree_ssa_loop_done): Ditto.
7521 * predict.c (tree_estimate_probability): Ditto.
7522 * recog.c (split_all_insns_noflow): Ditto.
7523 (rest_of_handle_peephole2): Ditto.
7524 (rest_of_handle_split_all_insns): Ditto.
7525 * tree-eh.c (lower_eh_constructs): Ditto.
7526 * regmove.c (rest_of_handle_regmove): Ditto.
7527 (rest_of_handle_stack_adjustments): Ditto.
7528 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7529 * function.c (instantiate_virtual_regs): Ditto.
7530 (init_function_for_compilation): Ditto.
7531 (rest_of_handle_check_leaf_regs): Ditto.
7532 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7533 (rest_of_handle_gcse): Ditto.
7534 * ipa-type-escape.c (type_escape_execute): Ditto.
7535 * alias.c (rest_of_handle_cfg): Ditto.
7536 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7537 * profile.c (rest_of_handle_branch_prob): Ditto.
7538 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7539 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7540 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7541 * tree-dfa.c (find_referenced_vars): Ditto.
7542 * except.c (set_nothrow_function_flags): Ditto.
7543 (convert_to_eh_region_ranges): Ditto.
7544 (rest_of_handle_eh): Ditto.
7545 * emit-rtl.c (unshare_all_rtl): Ditto.
7546 (remove_unnecessary_notes): Ditto.
7547 * except.h (set_nothrow_function_flags): Ditto.
7548 (convert_to_eh_region_ranges): Ditto.
7549 * cfgexpand.c (tree_expand_cfg): Ditto.
7550 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7551 * tree-ssa-pre.c (do_pre): Ditto.
7552 (execute_fre): Ditto.
7553 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7554 (rest_of_handle_jump2): Ditto.
7555 * tree-sra.c (tree_sra): Ditto.
7556 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7557 (execute_mudflap_function_decls): Ditto.
7558 * tree-ssa-copy.c (do_copy_prop): Ditto.
7559 (do_store_copy_prop): Ditto.
7560 * ipa-prop.h (ipcp_driver): Ditto.
7561 * cfglayout.c (insn_locators_initialize): Ditto.
7562 * tree-ssa-forwprop.c
7563 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7564 * cfglayout.h (insn_locators_initialize): Ditto.
7565 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7566 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7567 (execute_late_warn_uninitialized): Ditto.
7568 * rtl.h (cleanup_barriers): Ditto.
7569 (split_all_insns_noflow): Ditto.
7570 (purge_line_number_notes): Ditto.
7571 (unshare_all_rtl): Ditto.
7572 (remove_unnecessary_notes): Ditto.
7573 (recompute_reg_usage): Ditto.
7574 (variable_tracking_main): Ditto.
7575 * integrate.c (emit_initial_value_sets): Ditto.
7576 * integrate.h (emit_initial_value_sets): Ditto.
7577 * tree-optimize.c (execute_free_datastructures): Ditto
7578 (execute_free_cfg_annotations): Ditto.
7579 (execute_fixup_cfg): Ditto.
7580 (execute_cleanup_cfg_pre_ipa): Ditto.
7581 (execute_cleanup_cfg_post_optimizing): Ditto.
7582 (execute_init_datastructures): Ditto.
7583 * tree-object-size.c (compute_object_sizes): Ditto.
7584 * combine.c (rest_of_handle_combine): Ditto.
7585 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7586 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7587 (rest_of_handle_reorder_blocks): Ditto.
7588 (rest_of_handle_partition_blocks): Ditto.
7589 * var-tracking.c (variable_tracking_main): Ditto.
7590 * tree-profile.c (tree_profiling): Ditto.
7591 * tree-vect-generic.c (expand_vector_operations): Ditto.
7592 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7593 * sched-rgn.c (rest_of_handle_sched): Ditto.
7594 (rest_of_handle_sched2): Ditto.
7595 * basic-block.h (free_bb_insn): Ditto.
7596 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7597 * tree-cfg.c (execute_build_cfg): Ditto.
7598 (remove_useless_stmts): Ditto.
7599 (split_critical_edges): Ditto.
7600 (execute_warn_function_return): Ditto.
7601 (execute_warn_function_noreturn): Ditto.
7602 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7603 * cfgrtl.c (free_bb_for_insn): Ditto.
7604 * passes.c (execute_one_pass): Run additional
7605 todos returned by execute function.
7606 * tree-pass.h (struct tree_opt_pass): Make execute
7609 2006-03-02 Richard Guenther <rguenther@suse.de>
7611 * tree-ssa-alias.c (find_used_portions): Consider taking
7612 the address as making the variable not write-only.
7614 2006-03-02 Nick Clifton <nickc@redhat.com>
7616 * config.gcc (default_use_cxa_atexit): Extend the description of
7617 this configure variable. Set its default value to "yes" for
7618 Linux, NetBSD and ELF targets on the assumption that they will
7619 use C libraries with the __cxa_atexit function.
7621 2006-03-02 Ben Elliston <bje@au.ibm.com>
7623 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7624 parameter as unused to suppress a build warning.
7626 2006-03-02 Ben Elliston <bje@au.ibm.com>
7628 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7631 2006-03-01 Roger Sayle <roger@eyesopen.com>
7634 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7635 declared name, the weak reference name, and the typeof name.
7636 (__gthrw): Avoid expanding the declared name suffix.
7637 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7639 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7641 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7643 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7644 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7645 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7646 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7647 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7648 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7649 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7650 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7651 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7652 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7653 (DW_END_default, DW_END_big, DW_END_little): New.
7654 (DW_END_lo_user, DW_END_hi_user): Define.
7655 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7656 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7657 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7660 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7662 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7664 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7666 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7668 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7670 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7671 to 'symbol_mem_tag'.
7673 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7676 2006-03-01 Roger Sayle <roger@eyesopen.com>
7678 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7680 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7683 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7684 MACHO_DYNAMIC_NO_PIC_P.
7685 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7687 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7690 * config/darwin-protos.h (darwin_asm_output_anchor):
7692 * config/darwin-sections.def (cstring_section):
7693 Add SECTION_MERGE to the flags.
7694 (literal4_section): Likewise.
7695 (literal8_section): Likewise.
7696 (objc_selector_refs_section): Likewise.
7697 (objc_cls_refs_section): Likewise.
7698 * config/darwin.c (darwin_asm_output_anchor): New
7700 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7702 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7704 Fix PR tree-optimization/26443
7705 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7706 to todo and PROP_tmt_usage to properties_destroyed.
7707 * tree-ssa-ccp.c (pass_ccp): Ditto.
7708 (pass_store_ccp): Ditto.
7709 * tree-ssa-dom.c (pass_dominator): Ditto.
7711 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7713 * tree-ssa-operands.c: Cleanup whitespace.
7714 (get_asm_expr_operands): Move before first invocation.
7715 (get_indirect_ref_operands): Likewise.
7716 (get_tmr_operands): Likewise.
7717 (get_call_expr_operands): Likewise.
7718 (append_def): Likewise.
7719 (append_use): Likewise.
7720 (append_v_may_def): Likewise.
7721 (append_v_must_def): Likewise.
7722 (add_call_clobber_ops): Likewise.
7723 (add_call_read_ops): Likewise.
7724 (add_stmt_operand): Likewise.
7725 (add_virtual_operand): Likewise.
7726 (build_ssa_operands): Likewise.
7728 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7733 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7734 with a call expr to ...
7735 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7737 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7739 * tree-vrp.c (extract_range_from_assert): Remove special
7740 handling for types with super-types.
7742 2006-03-01 Ben Elliston <bje@au.ibm.com>
7744 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7745 and powerpc64-*-linux* configurations.
7746 * config/t-dfprules: New file.
7748 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7749 Compile dfp-bit.c from the source directory using -DWIDTH and
7750 $DFP_CFLAGS to control the compilation of that file, rather than
7751 generating width-specific versions in the build directory.
7752 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7753 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7755 2006-02-28 Zack Weinberg <zackw@panix.com>
7757 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7760 2006-02-28 Eric Christopher <echristo@apple.com>
7762 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7763 Set up IN_LIBGCC definition of TARGET_64BIT.
7764 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7766 2006-02-28 Roger Sayle <roger@eyesopen.com>
7769 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7770 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7771 cases via the construction of "expr != 0".
7773 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7775 * alias.c (alias_invariant, alias_invariant_size): Remove.
7776 (record_base_value): Remove.
7777 (memrefs_conflict_p): Don't look at alias_invariant.
7778 (end_alias_analysis): Don't free it.
7779 * alias.h (record_base_value): Remove prototype.
7781 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7782 Adam Nemet <anemet@caviumnetworks.com>
7784 * rtl.h (truncated_to_mode): Declare it.
7785 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7786 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7787 (RTL_HOOKS_INITIALIZER): Include it.
7788 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7789 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7790 reg_truncated_to_mode.
7791 * rtlanal.c (truncated_to_mode): Define it.
7792 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7794 2006-02-28 Jeff Law <law@redhat.com>
7796 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7797 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7798 the range allowed by TYPE_PRECISION.
7800 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7802 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7804 PR tree-optimization/26419
7805 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7808 2006-02-27 Zack Weinberg <zackw@panix.com>
7810 * doc/md.texi: Fix typo in previous change.
7812 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7816 2006-02-27 Zack Weinberg <zackw@panix.com>
7818 * rtl.def (define_constraint, define_register_constraint)
7819 (define_memory_constraint, define_address_constraint): New MD forms.
7820 * gensupport.c (process_rtx): Put define_constraint etc on the
7822 * genpreds.c (process_define_predicate): Adjust comment. Validate
7823 the name, and call validate_exp to validate the expression.
7824 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7825 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7826 all callers changed.
7827 (validate_exp, needs_variable, struct constraint_data)
7828 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7829 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7830 (const_dbl_constraints, constraint_max_namelen)
7831 (have_register_constraints, have_memory_constraints)
7832 (have_address_constraints, have_address_constraints)
7833 (have_extra_constraints, have_const_int_constraints)
7834 (have_const_dbl_constraints, mangle, add_constraint)
7835 (process_define_constraint, process_define_register_constraint)
7836 (write_enum_constraint_num, write_lookup_constraint)
7837 (write_insn_constraint_len, write_regclass_for_constraint)
7838 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7839 (write_insn_extra_memory_constraint)
7840 (write_insn_extra_address_constraint)
7841 (write_satisfies_constraint_fns): New.
7842 (write_tm_preds_h): If we have new-style constraint definitions,
7843 prototype the functions generated from them, and define the
7844 old constraint interface (still used by generic code) in terms of
7846 (write_insn_preds_c): If we have new-style constraint definitions,
7847 generate all relevant functions from those definitions.
7848 (main): Handle define_constraint etc.
7849 * genoutput.c (struct constraint_data, indep_constraints)
7850 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7851 (mdep_constraint_len): New data structures and functions, defined
7852 #ifdef USE_MD_CONSTRAINTS.
7853 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7854 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7855 use new logic to validate operand constraints against constraint
7857 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7859 * defaults.h: If none of the old-style constraint macros are
7860 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7861 old-style macros; and poison REG_CLASS_FROM_LETTER,
7862 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7864 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7865 * doc/md.texi: Document new constraint-definition mechanism and the
7866 C interface it provides. Remove references to old mechanism
7867 elsewhere in the document.
7868 (Machine Constraints): Use pathnames relative to gcc directory,
7869 i.e. config/ARCH/FILE. Change i386 section to refer to
7870 config/i386/predicates.md; update that section to match docstrings.
7871 * doc/tm.texi: Move all documentation of the old constraint-
7872 definition macros to their own section, clearly mark as obsolete.
7874 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7875 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7877 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7878 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7879 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7881 (splits and peepholes): Use satisfies_constraint_*.
7882 * config/i386/i386.c (memory_address_length)
7883 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7885 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7887 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7888 scalar operation to be put back into the loop.
7890 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7893 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7894 (extract_cie_info): Handle S flag in augmentation string.
7895 (execute_cfa_program): If context->signal_frame, execute also
7896 fs->pc == context->ra instructions.
7897 (uw_frame_state_for): If context->signal_frame, don't subtract one
7898 from context->ra to find FDE.
7899 (uw_update_context_1): Set context->signal_frame to
7901 (_Unwind_GetIPInfo): New function.
7902 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7903 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7905 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7906 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7907 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7908 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7909 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7910 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7911 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7912 x86_64_fallback_frame_state): Set fs->signal_frame.
7913 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7914 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7915 (frob_update_context): Likewise. Workaround missing S flag in
7916 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7917 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7918 Remove the psw_addr + 1 hack.
7920 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7922 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7923 with aggregates here.
7924 (find_func_aliases): Remove code for &<aggregate> from here.
7926 2006-02-26 Roger Sayle <roger@eyesopen.com>
7928 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7929 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7930 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7933 2006-02-26 Roger Sayle <roger@eyesopen.com>
7936 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7938 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7940 * opts.c (decode_options): Do not handle flag_strength_reduce.
7941 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7942 and OPT_fstrength_reduce.
7943 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7944 flag_prefetch_loop_arrays for being nonzero.
7945 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7947 (fprefetch-loop-arrays-rtl): Removed.
7948 (flag_prefetch_loop_arrays): Do not specify the value.
7950 * doc/passes.texi: Update documentation of loop optimizer
7952 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7953 -frerun-loop-opt): Remove.
7955 2006-02-26 Richard Guenther <rguenther@suse.de>
7957 PR tree-optimization/26421
7958 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7959 in function calls that are ADDR_EXPRs as using the whole structure.
7961 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7963 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7964 * tree-pass.h (pass_loop_optimize): Remove.
7965 * passes.c (pass_loop_optimize): Never run it.
7966 * toplev.c (backend_init): Don't call init_loop.
7967 * opts.c (flag_loop_optimize_set): Remove.
7968 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7969 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7970 the old RTL loop optimizer when profiling enabled.
7971 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7972 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7973 pre-headers for the sake of the old RTL loop optimizer.
7974 * Makefile.in: Remove all references to loop.o.
7976 * doc/invoke.texi: Remove all references to -floop-optimize
7977 and -frerun-loop-opt.
7979 2006-02-26 Zack Weinberg <zackw@panix.com>
7981 * doc/md.texi (Machine Constraints): Refer to all files with paths
7982 relative to gcc directory (i.e. config/CPU/file). Add missing
7983 @table @code ... @end table to M32C subsection.
7985 2006-02-26 Roger Sayle <roger@eyesopen.com>
7987 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7989 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7991 2006-02-26 Roger Sayle <roger@eyesopen.com>
7992 James A. Morrison <phython@gcc.gnu.org>
7995 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7996 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7997 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7998 signedness of the shift operation.
8000 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8002 PR tree-optimization/26359
8003 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8005 2006-02-25 Roger Sayle <roger@eyesopen.com>
8007 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8008 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8009 as X == 0, and some symmetry related transformations.
8010 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8012 2006-02-25 Roger Sayle <roger@eyesopen.com>
8015 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8016 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8017 symmetry related transformations. Fold (X^C1) == C2 as
8020 2006-02-25 Juergen Weigert <jw@suse.de>
8021 Richard Guenther <rguenther@suse.de>
8023 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8025 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8027 * combine.c (gen_lowpart_or_truncate): Call
8028 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8030 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8032 * doc/invoke.texi: Move -fopenmp description to "Options for
8034 Remove reference to -lgomp.
8036 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8038 * doc/install.texi: Require GNU tar version 1.14.
8040 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8042 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8043 * doc/invoke.texi (C++ Dialect Options): Document
8044 -fno-use-cxa-get-exception-ptr.
8045 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8046 * configure: Regenerate.
8047 * c.opt (fuse-cxa-get-exception-ptr): New.
8048 * c-opts.c (c_common_handle_option): Handle
8049 OPT_fuse_cxa_get_exception_ptr.
8050 * c-common.c (flag_use_cxa_atexit): Update documentation.
8051 (flag_use_cxa_get_exception_ptr): New.
8052 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8053 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8055 (C_COMMON_OVERRIDE_OPTIONS): New.
8057 2006-02-24 Roger Sayle <roger@eyesopen.com>
8060 * combine.c (try_combine): Explicitly check whether GET_CODE is
8061 a SET or a CLOBBER, instead on checking that it isn't a USE.
8063 2006-02-24 Roger Sayle <roger@eyesopen.com>
8065 * fold-const.c (fold_comparison): New subroutine of fold_binary
8066 containing transformations common to both the equality and
8067 ordering relational operators, factored out of fold_binary.
8068 (fold_binary): Separate out the equality operators (EQ_EXPR
8069 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8070 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8071 transformations common to both.
8072 (fold_div_compare): Fix latent bugs in the previously unreachable
8073 LT_EXPR and GE_EXPR cases.
8075 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8077 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8078 decl libname for clog to __clog on AIX.
8080 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8082 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8085 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8086 output traceback table for thunks. Localise rs6000_stack_info call.
8088 2006-02-23 Roger Sayle <roger@eyesopen.com>
8089 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8091 * gthr-posix.h (__gthrw): Fix typo in comment.
8093 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8095 * doc/cpp.texi (Character sets): Document that we do support
8096 input files to be in any character set.
8098 2006-02-23 Jeff Law <law@redhat.com>
8100 * tree.h (PHI_ARG_NONZERO): Remove.
8101 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8102 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8103 node to the new node.
8105 PR tree-optimization/26425
8106 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8107 min/max, then assume its varying.
8109 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8111 PR rtl-optimization/26316
8112 * rtlanal.c (enum may_trap_p_flags): New.
8113 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8114 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8115 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8116 (may_trap_after_code_motion_p): New function.
8117 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8118 (find_invariant_insn): Use may_trap_after_code_motion_p.
8119 * rtl.h (may_trap_after_code_motion_p): Declare.
8121 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8123 * emit-rtl.c (immed_double_const): Cleanup.
8125 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8127 Fix PR tree-optimization/26376
8128 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8131 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8134 * gimplify.c (omp_add_variable): Guard variable size decl test with
8135 DECL_SIZE (decl) check.
8137 2006-02-23 Richard Guenther <rguenther@suse.de>
8140 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8141 like aggregate types.
8143 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8145 * configure.ac: Add --with{,out}-long-double-128 configure option.
8146 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8147 * configure: Rebuilt.
8148 * config.in: Rebuilt.
8149 * doc/install.texi (Options specification): Document
8150 --with-long-double-128.
8152 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8153 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8154 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8155 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8157 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8159 * config/s390/s390.c (override_options): Handle
8160 TARGET_DEFAULT_LONG_DOUBLE_128.
8162 * config/alpha/alpha.c (override_options): Handle
8163 TARGET_DEFAULT_LONG_DOUBLE_128.
8165 * config/sparc/sparc.c (sparc_override_options): Handle
8166 TARGET_DEFAULT_LONG_DOUBLE_128.
8168 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8170 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8171 (real-install-headers-tar, real-install-headers-cpio)
8172 (real-install-headers-cp): New targets.
8174 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8176 * tree.h (variable_section): Delete.
8177 * varasm.c (variable_section): Delete.
8179 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8181 * install.texi: Add notes on install.texi2html.
8182 (Building in parallel): Do not use footnotes.
8184 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8187 * doc/install.texi (Configuration): Document --disable-libgomp.
8189 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8191 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8193 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8195 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8196 (vec_extractv2df_0_sse): New.
8198 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8200 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8201 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8202 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8203 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8204 to the result of the expression.
8205 (def_cfa_1): Adjust.
8206 (frame_pointer_cfa_offset): Rename to...
8207 (frame_pointer_fb_offset): ... this. Adjust all uses.
8208 (convert_cfa_to_loc_list): Rename to...
8209 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8210 Pass it on to build_cfa_loc.
8211 (compute_frame_pointer_to_cfa_displacement): Rename to...
8212 (compute_frame_pointer_to_fb_displacement): ... this. New
8213 offset parameter. Use it in computation.
8214 (gen_subprogram_die): Compute cfa_fb_offset with the new
8215 macro, and use it to compute the fb loc list and the
8218 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8220 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8221 replaced with register_operand.
8222 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8223 non-DREG is expensive.
8224 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8225 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8228 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8230 * doc/install.texi2html: Use set -e.
8232 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8234 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8235 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8236 * doc/invoke.texi (-fshared-data): Delete.
8237 * common.opt (fshared-data): Delete.
8238 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8239 (assemble_static_space): Remove #if 0 code.
8240 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8241 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8242 * config/cris/cris.h: Remove FIXME.
8244 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8246 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8249 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8252 * combine.c (simplify_shift_const_1): Disable nested shifts
8253 optimization for vector shifts.
8255 2006-02-20 Roger Sayle <roger@eyesopen.com>
8257 PR tree-optimization/26361
8258 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8259 of unsigned integer types.
8261 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8263 * tree-chrec.c (eq_evolutions_p): New.
8264 * tree-chrec.h (eq_evolutions_p): Declared.
8265 * tree-data-ref.c: Fix formatting.
8266 (datadep_stats, dependence_stats): New.
8268 (print_direction_vector): New.
8269 (dump_data_dependence_relation): Use print_direction_vector.
8270 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8271 (compute_subscript_distance): Static.
8272 (initialize_data_dependence_relation): Static. Get the number
8273 of loops surrounding the references from the callers, and initialize
8274 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8275 base_object_differ_p analyzers.
8276 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8277 compute_overlap_steps_for_affine_1_2,
8278 analyze_subscript_affine_affine): Count the classified dependences.
8279 Print a message when a test failed.
8280 (can_use_analyze_subscript_affine_affine): New.
8281 (analyze_siv_subscript): Compute the data dependences on symbolic
8282 scevs that verify can_use_analyze_subscript_affine_affine.
8283 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8284 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8285 Handle symbolic scevs.
8286 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8288 (subscript_dependence_tester): Moved...
8289 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8290 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8291 DDR_SIZE_VECT instead of getting it in parameter.
8292 (subscript_dependence_tester): ... here. Take as a parameter
8293 loop_nest_depth. Call build_classic_dist_vector and
8294 build_classic_dir_vector.
8295 (compute_affine_dependence): Update subscript_dependence_tester
8296 parameters. Update datadep_stats counters. Call
8297 compute_subscript_distance.
8298 (compute_self_dependence): Save the dist and dir vectors. Call
8299 compute_subscript_distance.
8300 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8301 (compute_all_dependences): Reorder parameters as they were before
8302 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8303 compute_subscript_distance. Update the use of
8304 compute_affine_dependence and initialize_data_dependence_relation.
8305 (find_data_references_in_loop): Handle COMPONENT_REF.
8306 (compute_data_dependences_for_loop): Initialize dependence_stats.
8307 Don't call build_classic_dist_vector and build_classic_dir_vector.
8308 Update the parameters of initialize_data_dependence_relation and
8309 compute_all_dependences. Print the statistics from datadep_stats.
8310 (analyze_all_data_dependences): Static. Not used until the pass for
8311 checking the data dependences is contributed.
8312 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8313 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8314 (initialize_data_dependence_relation, compute_affine_dependence,
8315 analyze_all_data_dependences, compute_subscript_distance): Removed.
8316 (print_direction_vector): New.
8317 * lambda.h (gcd): ... here.
8318 (lambda_vector_gcd): Moved here from gcd_vector.
8319 * lambda-code.c (gcd, gcd_vector): Removed.
8320 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8321 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8323 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8325 * ipa-type-escape.c: Tidy some comments and white space.
8326 * tree-ssa-operands.c: Likewise.
8328 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8331 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8332 (dump_decl_name): Do not walk the decl tree chains.
8333 * tree-pass.h (TDF_CHAIN): Remove.
8335 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8337 * Makefile.in (C): Remove
8339 (.PHONY): Remove C and PROTO
8341 2006-02-20 Roger Sayle <roger@eyesopen.com>
8344 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8345 deprecated CHAR_TYPE tree code.
8347 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8349 * configure.ac (target_list): Add install-info, dvi, html.
8350 * configure: Regenerate.
8352 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8353 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8354 treelang/Make-lang.in: Do not use double-colon rules.
8356 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8358 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8359 (TMT_USED_ALONE): New macro.
8360 * tree-pass.h (PROP_tmt_usage): New property.
8361 (TODO_update_tmt_usage): New todo.
8362 * tree-ssa-alias.c (updating_used_alone): New variable.
8363 (recalculate_used_alone): New function.
8364 (compute_may_aliases): Set updating_used_alone, call
8365 recalculate_used_alone.
8366 * tree-sra.c (pass_sra): Note that this pass destroys
8367 PROP_tmt_usage, and add TODO_update_tmt_usage.
8368 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8369 * tree-flow.h (updating_used_alone): Prototype.
8370 (recalculate_used_alone): Ditto.
8371 * passes.c (execute_todo): Add code to set updating_used_alone,
8372 and call recalculate.
8373 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8374 for clobber if used alone, and add assert to verify used_alone
8377 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8379 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8380 for non tls symbols added.
8381 (legitimize_address): Do nothing for PLUS expressions if one of the
8382 addends is a tls symbol reference.
8384 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8388 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8390 * Makefile.in (BOOTSTRAPPING): New.
8391 (quickstrap): New definition if BOOTSTRAPPING=yes.
8393 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8394 * configure.ac: Substitute all_selected_languages with the languages
8395 that were configured. For all the other variables except
8396 lang_specs_files, include all the languages in the tree.
8397 * configure: Regenerate.
8399 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8400 if there is one. Run the commands to run fixincludes in the same
8403 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8404 * doc/install.texi: Document exact conventions for searching target tools.
8405 Document --with-build-time-tools. Document toplevel bootstrap. Document
8406 something more about building an Ada cross-compiler. Don't list GNU Make
8407 requirements which affect all platforms.
8409 2006-02-19 Roger Sayle <roger@eyesopen.com>
8412 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8413 only equivalent if the have both the same mode and precision.
8415 2006-02-20 Ben Elliston <bje@au.ibm.com>
8417 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8419 2006-02-19 Roger Sayle <roger@eyesopen.com>
8420 Steven Bosscher <stevenb.gcc@gmail.com>
8422 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8423 constant pool references to identify stack mode constants.
8424 * rtlanal.c (constant_pool_constant_p): New predicate to check
8425 whether operand is a floating point constant in the pool.
8426 * rtl.h (constant_pool_constant_p): Prototype here.
8427 * loop.c (scan_loop): Avoid hoisting constants from the constant
8428 pool on STACK_REGS targets.
8429 (load_mems): Likewise.
8430 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8431 loads into x87 registers expensive in terms of register pressure.
8433 2006-02-19 Roger Sayle <roger@eyesopen.com>
8435 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8436 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8438 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8440 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8441 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8443 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8445 * doc/invoke.texi: Document -fipa-pta.
8446 * common.opt: Add ipa-pta option.
8447 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8448 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8449 (do_ds_constraint): Ditto.
8450 (get_constraint_for): Only add to referenced_vars if
8451 referenced_vars exists.
8452 (insert_into_field_list): Rewrite to do this unsorted.
8453 (insert_into_field_list_sorted): Rename old insert_into_field_list
8455 (create_function_info_for): Use insert_into_field_list_sorted.
8456 (create_variable_info_for): Rewrite so it uses unsorted version,
8457 since the field list is sorted.
8458 (intra_create_variable_infos): Only add to referenced_vars if
8459 referenced_vars exists.
8460 (ipa_pta_execute): Init heapvars, and delete when done.
8461 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8463 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8465 * doc/install.texi: Add missing `@samp'.
8467 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8469 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8472 2006-02-18 Mark Wielaard <mark@klomp.org>
8474 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8475 who added new 4.1 features, bug fixes and integration support.
8477 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8480 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8483 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8485 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8486 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8487 (copy_insn_1): Likewise. Don't copy each field individually.
8489 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8491 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8492 * rtl.c (rtx_size): Rename variable to...
8493 (rtx_code_size): ...this.
8494 (rtx_size): New function.
8495 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8496 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8498 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8499 * rtl.h (rtx_code_size): New variable.
8500 (rtx_size): Change from a variable to a function.
8501 (RTX_SIZE): Rename to...
8502 (RTX_CODE_SIZE): ...this.
8505 PR tree-optimization/17106
8506 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8507 (Anchored Addresses): New section.
8508 * doc/invoke.texi (-fsection-anchors): Document.
8509 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8510 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8511 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8512 * hooks.c (hook_bool_mode_rtx_false): New function.
8513 * hooks.h (hook_bool_mode_rtx_false): Declare.
8514 * gengtype.c (create_optional_field): New function.
8515 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8516 SYMBOL_REF_IN_BLOCK_P is true.
8517 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8518 (min_anchor_offset, max_anchor_offset): Likewise.
8519 (use_anchors_for_symbol_p): New hook.
8520 * toplev.c (compile_file): Call output_object_blocks.
8521 (target_supports_section_anchors_p): New function.
8522 (process_options): Check that -fsection-anchors is only used on
8523 targets that support it and when -funit-at-a-time is in effect.
8524 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8525 if the decl doesn't have one.
8526 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8527 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8528 of force_const_mem through use_anchored_address.
8529 (expand_expr_constant): New function.
8530 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8531 calling expand_expr for INDIRECT_REF.
8532 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8533 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8534 * expr.h (use_anchored_address): Declare.
8535 * loop-unroll.c: Don't declare rtx vectors here.
8536 * explow.c: Include output.h.
8537 (validize_mem): Call use_anchored_address.
8538 (use_anchored_address): New function.
8539 * common.opt (-fsection-anchors): New switch.
8540 * varasm.c (object_block_htab, anchor_labelno): New variables.
8541 (hash_section, object_block_entry_eq, object_block_entry_hash)
8542 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8543 (use_blocks_for_decl_p, change_symbol_section): New functions.
8544 (get_variable_section): New function, split out from assemble_variable.
8545 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8546 use_blocks_for_decl_p say so. Use change_symbol_section if the
8547 symbol has already been created.
8548 (assemble_variable_contents): New function, split out from...
8549 (assemble_variable): ...here. Don't output any code for
8550 block symbols; just pass them to place_block_symbol.
8551 Use get_variable_section and assemble_variable_contents.
8552 (get_constant_alignment, get_constant_section, get_constant_size): New
8553 functions, split from output_constant_def_contents.
8554 (build_constant_desc): Create a block symbol if use_object_blocks_p
8555 says so. Or into SYMBOL_REF_FLAGS.
8556 (assemble_constant_contents): New function, split from...
8557 (output_constant_def_contents): ...here. Don't output any code
8558 for block symbols; just pass them to place_section_symbol.
8559 Use get_constant_section and get_constant_alignment.
8560 (force_const_mem): Create a block symbol if use_object_blocks_p and
8561 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8562 (output_constant_pool_1): Add an explicit alignment argument.
8563 Don't switch sections here.
8564 (output_constant_pool): Adjust call to output_constant_pool_1.
8565 Switch sections here instead. Don't output anything for block symbols;
8566 just pass them to place_block_symbol.
8567 (init_varasm_once): Initialize object_block_htab.
8568 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8569 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8570 (place_block_symbol, get_section_anchor, output_object_block)
8571 (output_object_block_htab, output_object_blocks): New functions.
8572 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8573 (TARGET_ASM_OUT): Include it.
8574 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8575 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8576 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8577 (TARGET_INITIALIZER): Include them.
8578 * rtl.c (rtl_check_failed_block_symbol): New function.
8579 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8580 (block_symbol, object_block): New structures.
8581 (rtx_def): Add a block_symbol field to the union.
8582 (BLOCK_SYMBOL_CHECK): New macro.
8583 (rtl_check_failed_block_symbol): Declare.
8584 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8585 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8586 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8587 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8588 * output.h (output_section_symbols): Declare.
8589 (object_block): Name structure.
8590 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8591 (default_use_anchors_for_symbol_p): Declare.
8592 * Makefile.in (RTL_BASE_H): Add vec.h.
8593 (explow.o): Depend on output.h.
8594 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8595 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8596 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8597 (rs6000_use_blocks_for_constant_p): New function.
8599 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8601 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8603 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8606 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8609 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8611 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8615 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8618 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8619 instead of DECL_REGISTER.
8621 2006-02-18 Olivier Hainque <hainque@adacore.com>
8624 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8626 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8629 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8630 * opth-gen.awk: Handle Var and InverseMask together.
8631 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8632 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8633 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8634 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8636 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8637 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8638 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8639 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8640 LINUX_DYNAMIC_LINKER): Define.
8641 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8642 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8644 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8645 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8646 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8648 (TARGET_C99_FUNCTIONS): Don't define.
8649 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8650 GLIBC_DYNAMIC_LINKER.
8651 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8652 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8653 GLIBC_DYNAMIC_LINKER64): Define.
8654 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8655 LINUX_DYNAMIC_LINKER64.
8656 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8658 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8660 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8662 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8663 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8664 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8665 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8666 and LINUX_DYNAMIC_LINKER32.
8667 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8668 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8669 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8671 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8673 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8674 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8675 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8676 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8677 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8678 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8679 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8680 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8681 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8682 LINUX_DYNAMIC_LINKER): Define.
8683 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8684 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8685 GLIBC_DYNAMIC_LINKER64): Define.
8686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8687 LINUX_DYNAMIC_LINKER64.
8688 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8689 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8690 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8691 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8692 LINUX_DYNAMIC_LINKER): Define.
8693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8694 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8695 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8696 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8697 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8698 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8699 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8700 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8701 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8702 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8704 * doc/invoke.texi (-muclibc): Remove caveat about supported
8707 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8709 * doc/cpp.texi (__TIMESTAMP__): Document.
8711 2006-02-17 Roger Sayle <roger@eyesopen.com>
8714 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8715 C is one less than the width of X (and related transformations).
8716 * simplify-rtx.c (simplify_unary_operation_1): Transform
8717 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8718 depending on STORE_FLAG_VALUE, were C is one less then the
8721 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8723 Fix PR tree-optimization/26341
8724 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8725 about NAME_MEMORY_TAG's.
8727 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8730 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8731 with hardware float support, and software float support. Add fcpy
8732 alternative to hardware patterns. Add alternatives to copy between
8733 general and floating-point registers to the 32-bit pattern.
8734 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8735 secondary reload to load a QI or HI mode constant into a floating
8737 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8738 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8740 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8743 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8745 (load_macho_picbase_di): Likewise.
8747 2006-02-16 Jeff Law <law@redhat.com>
8749 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8750 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8751 (ssa_name_nonzero_p): Likewise.
8752 (get_value_range): Return NULL if VRP is not running.
8753 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8754 VRP routines do not discover a range.
8755 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8756 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8757 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8758 (tree_expr_nonnegative_p): Similarly.
8759 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8760 (restore_nonzero_vars_to_original_value): Remove.
8761 (unsafe_associative_fp_binop): Remove.
8762 (tree_ssa_dominator_optimize): Remove initialization and
8763 finalization of nonzero_vars and nonzero_vars_stack.
8764 (dom_opt_initialize_block): No longer push marker on
8766 (dom_opt_finalize_block): No longer call
8767 restore_nonzero_vars_to_original_value.
8768 (record_equivalences_from_phis): No longer look for
8769 nonzero PHI arguments.
8770 (cprop_into_successor_phis): No longer propagate nonzero
8771 property into PHI arguments. Lose unused argument. Caller
8773 (record_equivalences_from_stmt): No longer record nonzero
8774 values for SSA_NAMEs.
8775 (lookup_avail_expr): No longer use nonzero_vars.
8777 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8778 for sizetype when sizetype is unsigned.
8780 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8782 PR rtl-optimization/25603
8783 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8784 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8785 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8786 with new meaning of SETS.
8788 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8793 * config/linux.opt: New file.
8794 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8795 LINUX_DYNAMIC_LINKER): Define.
8796 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8797 * config.gcc (*-*-linux*): Define extra_options.
8798 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8799 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8800 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8801 GLIBC_DYNAMIC_LINKER.
8802 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8803 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8804 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8806 * doc/invoke.texi (GNU/Linux Options): New section.
8808 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8810 * config/sparc/sparc.md (setjmp): Rewrite.
8811 (setjmp_32): Delete.
8812 (setjmp_64): Likewise.
8814 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8816 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8819 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8821 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8824 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8826 PR rtl-optimization/26296
8827 * Makefile.in (loop-invariant.c): Add except.h dependency.
8828 * loop-invariant.c: Include except.h.
8829 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8831 2005-02-16 Paul Brook <paul@codesourcery.com>
8833 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8836 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8838 PR rtl-optimization/25636
8839 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8840 when deciding whether an insn is an initializing insn.
8842 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8844 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8845 (tree_code_size): Ditto.
8846 * tree.h (struct tree_memory_tag): Remove parent_var.
8847 (struct tree_struct_field_tag): New.
8850 (union tree_node): Add sft member.
8851 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8853 (create_sft): Add size and offset argument, set SFT_OFFSET and
8855 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8856 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8857 * tree-flow-inline.h (get_subvar_at): Update for
8858 SFT_OFFSET/SFT_SIZE.
8859 (var_can_have_subvars): Ditto.
8860 (overlap_subvar): Ditto.
8861 * print-tree.c (print_node): Print out interesting things for
8863 * tree-flow.h (struct subvar): Remove offset and size members.
8864 * tree-ssa-operands.c (get_expr_operands): Update for
8865 get_indirect_ref_operands changes.
8866 (get_indirect_ref_operands): Call add_virtual_operand instead of
8867 add_stmt_operand. Only recurse on base var if requested.
8868 (access_can_touch_variable): New function.
8869 (add_stmt_operand): Split virtual operand handling into ...
8870 (add_virtual_operand): Here. Add offset, size, and for_clobber
8871 arguments. Prune alias sets.
8872 (add_call_clobber_ops): Call add_virtual_operand.
8874 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8877 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8879 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8880 than TREE_CODE as index into omp_clause_num_ops array.
8882 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8884 PR rtl-optimization/26184
8885 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8887 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8888 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8889 must_precede, must_follow and tobe_scheduled.
8892 * opts.c (common_handle_option): Free new_option pointer.
8893 * df-core.c (df_analyze): Free postorder pointer.
8895 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8897 * Makefile.in: Fix the examples about the use of stamps
8899 2006-02-15 Michael Matz <matz@suse.de>
8903 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8904 influenced by maximum_field_alignment or DECL_PACKED.
8905 (update_alignment_for_field): Ditto.
8906 (place_field): Ditto.
8907 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8910 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8912 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8913 (debug_flow_info): Pass it.
8914 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8915 * bb-reorder.c (reorder_basic_blocks): Likewise.
8916 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8917 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8918 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8919 * gcse.c (gcse_main, bypass_jumps): Likewise.
8920 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8921 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8922 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8923 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8924 * rtl.h (dump_flow_info): Adjust prototype.
8925 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8926 * var-tracking.c (variable_tracking_main): Likewise.
8927 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8928 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8931 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8933 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8936 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8938 PR tree-optimization/26209
8939 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8940 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8942 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8944 2006-02-14 Roger Sayle <roger@eyesopen.com>
8947 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8948 (X,Y) and the corresponding symmetry related transformations.
8949 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8950 (X,Y) and its symmetry related transformations.
8952 2006-02-14 Roger Sayle <roger@eyesopen.com>
8954 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8957 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8959 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8961 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8964 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8965 support COMDAT group.
8966 * configure: Regenerate.
8968 2006-02-14 Roger Sayle <roger@eyesopen.com>
8973 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8975 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8977 Fix PR tree-optimization/26260
8979 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8981 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8982 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8983 * tree-ssa-structalias.c (create_variable_info_for): Use
8984 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8986 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8988 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8990 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8991 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8992 of the ending condition.
8993 * tree-ssa-loop-manip.c: Include params.h.
8994 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8995 tree_unroll_loop): New functions.
8996 * tree-pass.h (pass_loop_prefetch): Declare.
8997 * loop.c (rest_of_handle_loop_optimize): Test for
8998 -fprefetch-loop-arrays-rtl.
8999 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9000 * timevar.def (TV_TREE_PREFETCH): New timevar.
9001 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9002 pass_loop_prefetch): New.
9003 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9004 (cleanup_tree_cfg_loop): Call scev_reset.
9005 * common.opt (fprefetch-loop-arrays-rtl): Add.
9006 * tree-ssa-loop-prefetch.c: New file.
9007 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9008 (new_temp_expr_table): Initialize expr_vars.
9009 (free_temp_expr_table): Cleanup expr_vars.
9010 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9011 expressions from being merged into one.
9012 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9013 (struct tree_niter_desc): Add control, bound and cmp fields.
9014 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9016 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9017 (tree-cfgcleanup.o): Add SCEV_H dependency.
9018 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9019 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9021 2006-02-14 Richard Guenther <rguenther@suse.de>
9023 PR tree-optimization/26258
9024 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9025 in PHI argument processing.
9027 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9029 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9030 new expression in the requested machine mode.
9032 2006-02-13 Roger Sayle <roger@eyesopen.com>
9034 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9035 directly, instead let do_compare_rtx_and_jump handle this for us.
9036 * expr.c (expand_expr_real_1): Likewise.
9037 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9038 before do_jump_by_parts_greater.
9039 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9040 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9042 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9044 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9046 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9048 PR rtl-optimization/26235
9049 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9050 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9053 2006-02-13 Jeff Law <law@redhat.com>
9055 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9058 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9061 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9062 twice if decl is a builtin. When trying again, call get_callee_fndecl
9063 first to verify it is still a builtin.
9065 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9067 * dwarf2out.c (base_type_die): Don't add AT_name here.
9068 (subrange_type_die): Don't add AT_name here.
9069 (modified_type_die): Rearrange code flow. Do add AT_name here.
9071 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9073 PR rtl-optimization/26247
9074 PR rtl-optimization/26248
9075 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9077 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9079 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9080 * config/fixtfdi.c: Likewise.
9081 * config/fixunstfdi.c: Likewise.
9082 * config/floatditf.c: Likewise.
9084 2006-02-13 Roger Sayle <roger@eyesopen.com>
9087 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9088 into (X,C2) if C1 is a subset of the bits of C2. Transform
9089 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9091 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9093 2006-02-13 Josh Conner <jconner@apple.com>
9096 * varasm.c (function_section): Check for section name before
9097 calling select_section on targets that define
9098 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9099 unlikely_text_section instead of hot_function_section if
9100 first_function_block_is_cold.
9102 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9105 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9107 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9109 PR rtl-optimization/26222
9110 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9111 after tree->rtl expansion.
9112 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9113 before passing it to emit_move_insn.
9115 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9117 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9119 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9120 Clarify documentation.
9121 * c-common.h (warn_write_strings): Remove.
9122 * c-common.c (warn_write_strings): Likewise.
9123 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9126 2006-02-12 Roger Sayle <roger@eyesopen.com>
9129 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9130 (do_jump_parts_zero_rtx): New function renamed from
9131 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9132 (do_jump_parts_equality_rtx): New function split out from
9133 do_jump_parts_equality. Old implementation renamed as above.
9134 Call do_jump_parts_zero_rtx if either operand is zero.
9135 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9136 do all of the heavy lifting.
9137 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9138 calling either do_jump_by_parts_greater_rtx or
9139 do_jump_by_parts_equality_rtx.
9140 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9141 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9142 moved to do_compare_rtx_and_jump, call it directly.
9143 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9144 mode argument. Call do_compare_rtx_and_jump.
9145 (emit_case_nodes): Update calls to do_jump_if_equal.
9147 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9149 PR rtl-optimization/26225
9150 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9152 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9154 PR rtl-optimization/26232
9155 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9157 2006-02-11 Jason Merrill <jason@redhat.com>
9160 * tree-inline.c (declare_return_variable): Just don't use the
9161 modify target if it's a gimple complex reg and the return slot
9164 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9166 * doc/contrib.texi: Update my entry.
9168 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9170 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9172 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9174 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9177 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9179 * doc/invoke.texi (-floop-optimize2): Removed.
9180 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9181 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9182 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9183 * common.opt (floop-optimize2): Removed.
9184 (fmove-loop-invariants): Enabled by default.
9186 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9188 * tree-if-conv.c (combine_blocks): Free the result of
9189 get_loop_exit_edges.
9191 2006-02-10 Jeff Law <law@redhat.com>
9193 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9195 PR tree-optimization/26213
9196 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9197 loop trying to follow SSA_NAME_VALUE chains.
9199 2006-02-10 Richard Guenther <rguenther@suse.de>
9201 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9202 deal with structures that end in implicitly variable sized arrays.
9204 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9206 PR rtl-optimization/24762
9207 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9210 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9212 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9213 (struct ivopts_data): Add regs_used field.
9214 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9215 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9216 instead of loop_data->regs_used;
9217 (free_loop_data): Do not free aux fields for loops.
9218 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9219 and tree_ssa_iv_optimize_finalize.
9221 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9223 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9225 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9228 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9229 computing the effective result type.
9231 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9234 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9235 (tree_overlaps_hard_reg_set): Declare.
9236 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9237 type and signature to match function type expected by walk_tree.
9238 (tree_overlaps_hard_reg_set): New function.
9239 (decl_conflicts_with_clobbers_p): Rename to:
9240 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9241 Use tree_overlaps_hard_reg_set. Changed caller.
9242 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9243 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9244 * cris.c (cris_md_asm_clobbers): Likewise.
9246 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9248 * reload1.c (emit_input_reload_insns): Delete code that tries to
9249 inherit using find_equiv_reg.
9251 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9253 * c-common.h (flag_const_strings): Don't declare.
9254 * c-common.c (flag_const_strings): Remove.
9255 * c.opt (fconst_strings): Remove.
9256 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9257 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9258 (c_common_init_options): Don't set flag_const_strings.
9259 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9261 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9263 * arm.md (tlobits_cbranch): New pattern.
9264 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9265 testing a single bit.
9267 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9270 * tree-ssa-pre.c (create_component_ref_by_pieces):
9271 Handle RETURN_DECL like VAR_DECL.
9273 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9276 * fold-const.c (fold_indirect_ref_1): Fold
9277 "*(foo *)&complexfoo" to "__real__ complexfoo"
9278 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9280 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9282 * tree-flow-inline.h (var_can_have_subvars):
9283 Volatile variables should not have subvariables.
9285 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9288 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9289 multiplying unsigned values.
9292 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9294 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9296 2006-02-08 Jason Merrill <jason@redhat.com>
9299 * tree.def: Elaborate on difference from MODIFY_EXPR.
9300 * doc/c-tree.texi (INIT_EXPR): Likewise.
9301 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9302 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9303 (gimplify_target_expr): Likewise.
9304 (gimplify_cond_expr): Remove target handling.
9305 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9306 (gimplify_expr): Clobber it here.
9307 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9308 Do return slot optimization if we have an INIT_EXPR.
9311 * tree-inline.c (declare_return_variable): Also clear
9312 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9315 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9318 * gimplify.c (gimplify_one_sizepos): Fix typo.
9320 2006-02-08 Jeff Law <law@redhat.com>
9322 PR tree-optimization/21417
9323 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9324 across a backedge if the control statement at the end of the
9325 block is data dependent on other statements in the same block.
9326 (record_temporary_equivalences_from_stmts): Remove over-conservative
9327 test for threading across backedges.
9329 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9330 control statement, handle all three special cases in the same
9331 manner as they all have the same desired solution. No longer
9332 special case edge flag updating when the post dominator is
9335 2006-02-08 Roger Sayle <roger@eyesopen.com>
9337 * tree.def (CHAR_TYPE): Remove.
9338 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9339 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9340 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9341 (gen_string_type_die): Delete unreachable function.
9343 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9344 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9345 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9346 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9347 * builtins.c (type_to_class): Likewise.
9348 * fold-const.c (fold_convert, build_range_check,
9349 merge_ranges): Likewise.
9350 * expr.c (count_type_elements): Likewise.
9351 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9352 * stor-layout.c (layout_type): Likewise.
9353 * ipa-type-escape.c (type_to_consider): Likewise.
9354 * gimplify.c (omp_firstprivatize_type_sizes,
9355 gimplify_type_sizes): Likewise.
9356 * explow.c (promote_mode): Likewise.
9357 * tree-sra.c (is_sra_scalar_type): Likewise.
9358 * varasm.c (output_constant): Likewise.
9359 * tree-inline.c (remap_type_1): Likewise.
9360 * convert.c (convert_to_pointer, convert_to_real,
9361 convert_to_integer, convert_to_complex): Likewise.
9363 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9365 * df-scan.c (df_def_record_1): A set destination may
9366 be a parallel regardless of mode.
9368 2006-02-08 Roger Sayle <roger@eyesopen.com>
9371 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9372 * config/mips/_tilib.c: Remove.
9373 * config/fixtfdi.c: New libgcc source file.
9374 * config/fixunstfdi.c: New source file.
9375 * config/floatditf.c: New source file.
9376 * config/floatunditf.c: New souce file.
9377 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9378 files above instead of config/mips/_tilib.c.
9379 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9381 2006-02-08 Jeff Law <law@redhat.com>
9383 PR tree-optimization/26169
9384 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9387 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9389 * df.h (DF_REG_SIZE): Return the length of the initialized
9392 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9394 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9395 __muldf3): Return a correctly signed zero.
9397 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9399 * passes.c (register_one_dump_file): Accept the current properties
9400 instead of pass number. Adjust call to dump_register. Remove
9402 (register_dump_files): Now a wrapper around...
9403 (register_dump_files_1): ... this one. Do not modify the pass
9405 (next_pass_1): Cosmetic fix.
9406 (execute_todo): Keep second parameter only. Use curr_properties
9407 instead of fetching it from the pass structure. Check and set
9409 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9410 instead of fetching it from the pass structure. Fix calls to
9411 execute_todo. Update curr_properties and initialize .vcg RTL dump
9412 after running the pass. Reset last_verified.
9413 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9415 (FIRST_AUTO_NUMBERED_DUMP): New.
9416 (dump_register): Remove "num" parameter, assign it within the
9418 (get_dump_file_name): Modify template for dumps.
9419 * tree-dump.h (dump_register): Adjust prototype.
9420 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9421 (PROP_trees): Add PROP_gimple_lomp.
9422 (TODO_set_props): New.
9423 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9424 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9425 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9427 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9429 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9430 (sparc64-*-linux*): Likewise.
9431 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9432 * config/sparc/t-linux: New file.
9433 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9434 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9435 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9436 -m32 -mlong-double-128.
9438 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9439 * config/alpha/t-linux: New file.
9440 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9442 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9443 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9444 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9445 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9446 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9447 (CPP_ARCH32_SPEC): Remove.
9449 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9451 PR tree-optimization/26145
9452 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9455 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9458 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9459 >= 240000 when generating code for SOM runtime.
9460 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9461 to $$dyncall when generating code for SOM runtime..
9463 2006-02-07 Dirk Mueller <dmueller@suse.com>
9466 * doc/invoke.texi (-Wsequence-point): Update documentation
9467 that -Wsequence-point is implemented for C++ as well.
9469 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9471 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9472 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9473 (LIB_SPEC): Likewise.
9474 * doc/invoke.texi (SPARC options): Document -pthread.
9476 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9478 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9481 2006-02-07 Roger Sayle <roger@eyesopen.com>
9483 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9484 Correct comment describing BOOLEAN_TYPE.
9486 2006-02-07 Dirk Mueller <dmueller@suse.com>
9488 * c.opt: C++ frontend supports -Wdiv-by-zero.
9489 * c-opts.c (c_common_handle_option): Remove dead case.
9491 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9493 * configure.ac (TLS assembler check): Do not enable TLS by
9494 default on SPARC/Solaris before version 10.
9495 * configure: Regenerate.
9497 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9499 * doc/invoke.texi (xl-compat): Document conversion and support
9502 2006-02-07 Jeff Law <law@redhat.com>
9504 * tree-vrp.c (find_conditional_asserts): Update comments.
9505 (simplify_stmt_for_jump_threading): New.
9506 (identify_jump_threads, finalize_jump_threads): New.
9507 (vrp_finalize): Call identify_jump_threads.
9508 (execute_vrp): Call finalize_jump_threads.
9509 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9510 (vrp_element, vrp_data, vrp_element_p): Remove.
9511 (vrp_hash_elt, vrp_variables_stack): Remove.
9512 (vrp_hash, vrp_eq, record_range): Remove.
9513 (simplify_cond_and_lookup_avail_expr): Remove.
9514 (extract_range_from_cond): Remove.
9515 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9516 (simplify_stmt_for_jump_threading): New.
9517 (dom_thread_across_edge): New wrapper.
9518 (tree_ssa_dominator_optimize): No longer initialize or
9519 finalize any of the VRP datastructures. Remove iteration
9520 step and simplify as a result of removal of iteration step.
9521 (pass_dominator): Perform a cfg cleanup after DOM.
9522 (dom_opt_finalize_block): Use the new common routines
9523 for threading jumps. Simplify stack management slightly.
9524 No longer need to unwind VRP state.
9525 (record_equivalences_from_incoming_edge): No longer record
9527 (eliminate_redundant_computations): No longer call
9528 simplify_cond_and_lookup_avail_expr.
9529 * tree-flow.h (potentially_threadable_block): Prototype.
9530 (thread_across_edge): Likewise.
9531 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9532 (tree-ssa-threadedge.o): Add dependencies.
9533 * tree-ssa-threadedge.c: New file.
9534 * passes.c (init_optimization_passes): Merge PHIs before
9535 calling VRP. Run VRP again late in the SSA optimization pipeline.
9537 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9539 * df-core.c (df_set_blocks): Do not dereference function pointers.
9540 (df_finish1): Likewise.
9541 (df_hybrid_search_forward): Likewise.
9542 (df_hybrid_search_backward): Likewise.
9543 (df_iterative_dataflow): Likewise.
9544 (df_analyze_problem): Likewise.
9545 (df_compact_blocks): Likewise.
9546 (df_dump): Likewise.
9547 * df-scan.c (df_rescan_blocks): Likewise.
9548 (df_record_entry_block_defs): Likewise.
9550 * genconditions.c (write_conditions): Guard the definition of
9551 'insn_conditions' with the check on GCC version.
9552 (write_writer): Guard the traversal 'insn_conditions' with
9553 the check on GCC version.
9555 2006-02-07 Richard Guenther <rguenther@suse.de>
9559 2006-01-30 Richard Guenther <rguenther@suse.de>
9561 * gimplify.c (gimplify_target_expr): Handle easy cases
9562 without creating a temporary.
9564 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9566 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9567 use of float in probability computations. Use edge probabilities
9568 in place of statically computed probabilities.
9569 (min_spec_prob): New static variable.
9570 (schedule_insns): Initialize it.
9571 (GET_SRC_PROB): Removed.
9572 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9574 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9577 * config/ia64/unwind-ia64.c: Revert last change.
9578 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9579 (INCOMING_FRAME_SP_OFFSET): Define.
9581 2006-02-06 Roger Sayle <roger@eyesopen.com>
9583 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9585 2006-02-07 Ben Elliston <bje@au.ibm.com>
9587 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9588 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9589 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9590 (ix86_return_in_memory): Handle TDmode.
9591 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9592 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9594 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9596 * reorg.c (dbr_schedule): Use dump_file instead of file.
9598 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9601 * config/ia64/predicates.md (extr_len_operand): New predicate.
9602 * config/ia64/ia64.md (extv): Tighten constraints.
9604 (*tbit_and_2): Ditto.
9605 (*tbit_and_3): Ditto.
9606 (*tbit_or_2): Ditto.
9607 (*tbit_or_3): Ditto.
9611 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9614 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9616 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9618 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9619 loop_optimizer_init and loop_optimizer_finalize
9620 * tree-ssa-sink.c (execute_sink_code): Ditto.
9621 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9622 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9623 tree_ssa_loop_done): Ditto.
9624 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9625 * sched-ebb.c: Include output.h.
9626 (schedule_ebbs): Do not use dump argument.
9627 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9628 * loop.c (loop_dump_stream): Removed.
9629 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9631 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9632 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9633 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9634 loop_iterations, strength_reduce, record_biv, record_giv,
9635 final_giv_value, check_final_value, check_ext_dependent_givs,
9636 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9637 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9638 dump_file instead of loop_dump_stream.
9639 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9641 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9643 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9644 * haifa-sched.c: Include output.h
9645 (schedule_insns, sched_init): Do not use dump argument.
9646 * mode-switching.c (optimize_mode_switching): Ditto.
9647 * modulo-sched.c (stats_file): Removed.
9648 (print_node_sched_params): Do not call argument dump_file.
9649 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9650 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9652 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9654 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9655 rtl_loop_init, rtl_loop_done): Ditto.
9656 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9657 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9659 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9660 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9661 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9662 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9663 * emit-rtl.c (renumber_insns): Ditto.
9664 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9665 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9666 * regclass.c (regclass): Ditto.
9667 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9668 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9669 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9670 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9672 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9673 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9675 * gcse.c (gcse_file, debug_stderr): Removed.
9676 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9677 rest_of_handle_gcse): Do not use dump argument.
9678 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9679 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9680 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9681 compute_code_hoist_vbeinout, compute_code_hoist_data,
9682 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9683 compute_store_table, build_store_vectors, insert_insn_start_bb,
9684 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9685 store_motion): Use dump_file instead of gcse_file.
9686 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9687 * profile.c (profile_dump_file): Removed.
9688 (branch_prob): Use dump_file instead of profile_dump_file.
9689 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9691 * tree-ssa-copy.c (dump_copy_of): Ditto.
9692 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9693 dump file to life_analysis.
9694 * bt-load.c (branch_target_load_optimize): Ditto.
9695 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9697 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9698 regclass, dbr_schedule): Declaration changed.
9699 * sched-int.h (sched_init): Declaration changed.
9700 * tree-profile.c (tree_profile_dump_file): Removed.
9701 (tree_profile_hooks): Removed profile_dump_file hook.
9702 * rtl-profile (rtl_profile_dump_file): Removed.
9703 (rtl_profile_hooks): emoved profile_dump_file hook.
9704 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9706 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9707 * tree-cfg.c (build_tree_cfg): Ditto.
9708 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9709 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9710 Declaration changed.
9711 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9712 life_analysis and schedule_insns.
9713 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9715 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9717 * config/mips/mips.c (mips_reorg): Ditto.
9718 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9721 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9723 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9724 (s390_mangle_fundamental_type): New.
9725 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9728 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9729 (alpha_mangle_fundamental_type): New.
9730 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9733 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9735 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9737 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9738 (sparc_mangle_fundamental_type): New.
9740 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9742 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9743 (s390x-*-linux*): Likewise.
9744 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9745 * config/s390/t-linux: New file.
9747 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9749 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9750 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9752 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9754 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9755 (ANTIC_SAFE_LOADS): New macro.
9756 (find_or_generate_expression): Add prototype.
9757 (set_contains_value): Allow null set for sake of not always having
9758 to allocate ANTIC_SAFE_LOADS.
9759 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9760 Allow COMPONENT_REF too.
9761 (valid_in_set): Allow COMPONENT_REF.
9762 Check ANTIC_SAFE_LOADS too.
9763 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9764 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9766 (can_PRE_operation): Add COMPONENT_REF.
9767 (create_component_ref_by_pieces): New function.
9768 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9769 (insert_aux): Move AGGREGATE_TYPE_P check here.
9770 (compute_avail): Set bb local stmt uids.
9771 (pass_pre): Use TODO_update_ssa_only_virtuals.
9773 2006-02-06 Ben Elliston <bje@au.ibm.com>
9775 * configure.ac: Unconditionally disable decimal float by default.
9776 * configure: Regenerate.
9778 2006-02-06 Ben Elliston <bje@au.ibm.com>
9780 * read-rtl.c (read_name): Terminate reading on EOF.
9782 2006-02-06 Ben Elliston <bje@au.ibm.com>
9784 * dfp.c (decimal_real_arithmetic): Change second argument type
9785 from int to enum tree_code. Do not always return true, but now
9786 return result of any call to decimal_do helper functions.
9787 * dfp.h (decimal_real_arithmetic): Update prototype.
9789 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9791 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9793 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9796 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9799 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9801 * tree-vrp.c (cfg_loops): Removed.
9802 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9803 Use current_loops instead of cfg_loops. Pass flags to
9804 loop_optimizer_init.
9805 * cfgloopmanip.c (fix_loop_structure): Update only available
9807 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9808 loop_optimizer_init.
9809 * modulo-sched.c (build_loops_structure): Removed.
9810 (sms_schedule): Use loop_optimizer_init.
9811 * loop-init.c (loop_optimizer_init): Use flags to determine
9812 which properties of loops to prepare.
9813 (rtl_loop_init): Pass flags to loop_optimizer_init.
9814 * tree-ssa-sink.c (execute_sink_code): Ditto.
9815 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9816 * tree-ssa-pre.c (init_pre): Ditto.
9817 * cfgloop.h (LOOPS_NORMAL): New.
9818 (loop_optimizer_init): Declaration changed.
9820 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9822 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9823 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9825 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9827 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9829 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9830 * pa/t-pa64: Delete quadlib.c rule.
9831 * pa/x-ada: Revert last change.
9832 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9834 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9836 PR rtl-optimization/26087
9837 * rtlanal.c (canonicalize_condition): Do not cross basic block
9840 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9843 * config/ia64/ia64.c: Include debug.h.
9844 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9845 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9846 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9847 (process_epilogue, process_set, process_for_unwind_directive):
9848 Output unwind info only if requested. Add CFA info if requested.
9849 Add new arguments as needed. Adjust callers.
9850 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9852 (DWARF2_FRAME_INFO): Define to zero.
9853 * config/ia64/unwind-ia64.c: Remove code that compensated for
9854 the CFA offset error fixed above.
9855 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9856 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9857 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9858 -funwind-tables and -fexceptions to enable frame info.
9859 (dwarf2out_frame_init): Define initial CFA even if
9860 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9861 DWARF2_UNWIND_INFO is nonzero, not just defined.
9862 (dwarf2out_frame_finish): Output non-EH call frame info only
9863 if DWARF2_FRAME_INFO is nonzero.
9864 (convert_cfa_to_loc_list,
9865 compute_frame_pointer_to_cfa_displacement): Define even if
9866 unwind info is not supported.
9867 (gen_subprogram_die): Use the above unconditionally. Remove
9868 legacy alternate code.
9869 * toplev.c (compile_file): Compile in call to
9870 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9871 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9873 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9874 Jakub Jelinek <jakub@redhat.com>
9876 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9877 IBM extended float format long double as "g" on powerpc*-linux.
9879 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9882 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9883 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9885 2006-02-03 Jason Merrill <jason@redhat.com>
9888 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9891 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9892 on the return slot if it's an NRV.
9894 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9896 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9897 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9898 rewrite_use): Do not handle USE_OUTER.
9899 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9900 add_iv_outer_candidates, may_replace_final_value,
9901 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9902 (find_interesting_uses_op): Functionality of
9903 find_interesting_uses_outer_or_nonlin moved here.
9904 (find_interesting_uses_outside): Use find_interesting_uses_op.
9906 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9909 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9911 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9912 Ulrich Weigand <uweigand@de.ibm.com>
9915 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9916 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9917 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9918 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9920 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9921 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9922 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9923 Define secondary reloads for TFmode moves.
9924 (constant_modes): Add TFmode.
9925 (NR_C_MODES): Set to 8.
9926 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9928 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9929 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9930 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9931 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9932 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9933 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9934 (FPR mode macro): Add TFmode.
9935 (DSF mode macro): New.
9936 (<de>, <dee> mode attributes): Removed.
9937 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9938 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9939 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9940 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9941 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9942 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9943 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9944 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9945 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9946 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9947 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9948 "*negabs<mode>2", "sqrt<mode>2"):
9949 Changed <de> to <xde>. R constraint replaced by <Rf>.
9950 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9952 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9953 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9954 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9956 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9957 "extenddftf2", "extendsftf2"): New expanders.
9958 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9959 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9960 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9961 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9963 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9964 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9965 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9966 __floatditf): Add a GCC_4.1.0 symbol version tag.
9967 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9970 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9973 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9974 Use targetm.binds_local_p instead of TREE_PUBLIC.
9976 2006-02-02 Roger Sayle <roger@eyesopen.com>
9978 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9979 on INTEGER_TYPEs to indicate that it denotes a character type.
9980 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9981 signed_char_type_node, unsigned_char_type_node and char_type_node.
9982 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9983 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9984 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9986 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9987 Daniel Berlin <dberlin@dberlin.org>
9989 * tree-tailcall.c (arg_needs_copy_p): New function.
9990 (eliminate_tail_call): Use arg_needs_copy_p.
9991 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9992 (add_virtual_phis): New function.
9994 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9996 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9997 #ignore instead of #scratch for %g7 .register directive.
9999 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10001 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10004 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10006 * flow.c (calculate_global_regs_live): Assert that there aren't any
10009 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10011 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10012 what its name says.
10013 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10014 bsi_after_labels iterator.
10015 * tree-if-conv.c (find_phi_replacement_condition,
10016 replace_phi_with_cond_modify_expr): Likewise.
10017 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10018 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10020 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10022 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10024 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10027 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10028 array after growing it.
10030 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10032 PR middle-end/24901
10033 * fold-const.c (fold_checksum_tree): Change type of buf.
10035 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10037 * reload.c (push_secondary_reload): Initialize t_icode.
10039 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10041 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10042 -msoft-float -mlong-double-128 only issue a warning, but don't
10043 swich to DFmode long double.
10045 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10047 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10048 has a constant equivalent, iterate over equivalents for arg0,
10049 calling simplify_relational_operation and if there's a result
10050 cheaper than X, apply fold_rtx and return the result.
10052 2006-02-01 Jan Hubicka <jh@suse.cz>
10054 * opts.c (no_unit_at_a_time_default): New global variable.
10055 (decode_options): Use it.
10056 * opts.h (no_unit_at_a_time_default): Declare.
10058 2006-02-01 Paul Brook <paul@codesourcery.com>
10060 * function.c (assign_parm_setup_reg): Use function argument promotion
10062 * expr.c (expand_expr_real_1): Use function argument promotion rules
10065 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10067 * gcc.c (process_command): Change j to 'unsigned int'.
10069 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10071 PR middle-end/26001
10072 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10073 Use the corrected index for the character
10074 out of the string constant.
10076 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10078 * mode-switching.c (optimize_mode_switching): Fix size
10079 allocated for bb_info[n_entities].
10081 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10083 * gcc.c (main): Correct type that is allocated for
10084 explicit_link_files.
10086 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10088 * config/s390/s390.c (init_alignment_context): Set
10089 ALIAS_SET_MEMORY_BARRIER on the MEM.
10090 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10092 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10094 PR middle-end/25933
10095 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10097 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10100 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10102 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10103 * regrename.c: Ditto.
10104 * tree-ssa-loop-im.c: Ditto.
10105 * tree-dump.c: Ditto.
10106 * tree-complex.c: Ditto.
10107 * genrecog.c: Ditto.
10108 * tree-ssa-threadupdate.c: Ditto.
10110 * java/class.c: Ditto.
10111 * java/jcf-parse.c: Ditto.
10112 * java/resource.c: Ditto.
10113 * java/except.c: Ditto.
10114 * java/jvspec.c: Ditto.
10115 * java/jcf-write.c: Ditto.
10116 * java/jcf-path.c: Ditto.
10117 * java/gjavah.c: Ditto.
10118 * java/zextract.c: Ditto.
10119 * java/jcf-io.c: Ditto.
10120 * java/jcf.h: Ditto.
10121 * java/buffer.c: Ditto.
10122 * java/lang.c: Ditto.
10123 * java/parse-scan.y: Ditto.
10124 * java/lex.c: Ditto.
10125 * java/lex.h: Ditto.
10126 * cfgloopmanip.c: Ditto.
10127 * postreload-gcse.c: Ditto.
10128 * tree-ssa-loop-manip.c: Ditto.
10129 * postreload.c: Ditto.
10130 * tree-ssa-loop-ch.c: Ditto.
10133 * cppspec.c: Ditto.
10134 * diagnostic.c: Ditto.
10136 * genoutput.c: Ditto.
10138 * cfghooks.c: Ditto.
10139 * cfgloopanal.c: Ditto.
10140 * objc/objc-act.c: Ditto.
10142 * genextract.c: Ditto.
10143 * genautomata.c: Ditto.
10144 * pretty-print.c: Ditto.
10145 * genemit.c: Ditto.
10146 * cgraphunit.c: Ditto.
10148 * df-scan.c: Ditto.
10149 * haifa-sched.c: Ditto.
10150 * dominance.c: Ditto.
10152 * tree-ssa-loop-ivopts.c: Ditto.
10153 * df-core.c: Ditto.
10154 * mode-switching.c: Ditto.
10155 * modulo-sched.c: Ditto.
10157 * ipa-pure-const.c: Ditto.
10159 * fix-header.c: Ditto.
10161 * tree-stdarg.c: Ditto.
10162 * ipa-utils.c: Ditto.
10163 * loop-init.c: Ditto.
10164 * ipa-inline.c: Ditto.
10165 * cfganal.c: Ditto.
10167 * alloc-pool.c: Ditto.
10168 * dwarf2out.c: Ditto.
10170 * genattrtab.c: Ditto.
10171 * tree-ssa-loop-ivcanon.c: Ditto.
10172 * predict.c: Ditto.
10173 * timevar.c: Ditto.
10175 * fortran/gfortranspec.c: Ditto.
10176 * regmove.c: Ditto.
10177 * local-alloc.c: Ditto.
10178 * langhooks.c: Ditto.
10179 * function.c: Ditto.
10180 * tree-vectorizer.c: Ditto.
10182 * ipa-type-escape.c: Ditto.
10184 * tree-if-conv.c: Ditto.
10185 * profile.c: Ditto.
10187 * tree-data-ref.c: Ditto.
10188 * loop-unroll.c: Ditto.
10189 * treelang/treetree.c: Ditto.
10191 * bt-load.c: Ditto.
10192 * ggc-common.c: Ditto.
10194 * coverage.c: Ditto.
10196 * tree-cfgcleanup.c: Ditto.
10197 * tree-ssa-pre.c: Ditto.
10198 * cfgcleanup.c: Ditto.
10199 * loop-invariant.c: Ditto.
10200 * loop-iv.c: Ditto.
10201 * ipa-prop.c: Ditto.
10202 * print-tree.c: Ditto.
10203 * conflict.c: Ditto.
10204 * ggc-page.c: Ditto.
10205 * sched-deps.c: Ditto.
10206 * regclass.c: Ditto.
10207 * tree-object-size.c: Ditto.
10208 * combine.c: Ditto.
10209 * bb-reorder.c: Ditto.
10210 * resource.c: Ditto.
10211 * var-tracking.c: Ditto.
10212 * cfgloop.c: Ditto.
10213 * df-problems.c: Ditto.
10214 * reg-stack.c: Ditto.
10216 * gccspec.c: Ditto.
10217 * sched-rgn.c: Ditto.
10218 * tree-ssa-structalias.c: Ditto.
10219 * tree-ssa-reassoc.c: Ditto.
10220 * config/darwin-c.c: Ditto.
10221 * config/darwin.c: Ditto.
10222 * config/arm/arm.c: Ditto.
10224 * collect2.c: Ditto.
10225 * reload1.c: Ditto.
10227 2006-01-31 Nicolas Pitre <nico@cam.org>
10229 * arm.md (smaxsi3): Make aware of smax_m1.
10232 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10234 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10236 2006-01-31 Richard Guenther <rguenther@suse.de>
10238 * doc/invoke.texi (-msselibm): Document.
10239 * target.h (expand_library_builtin): New target hook.
10240 * builtins.c (expand_builtin): Use expand_library_builtin.
10241 (default_expand_library_builtin): New function.
10242 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10243 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10244 (link_gcc_math_spec): Declare.
10245 (static_specs): Add link_gcc_math_spec.
10246 * expr.h (default_expand_library_builtin): Declare.
10247 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10248 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10249 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10250 * config/i386/i386.opt (msselibm): New target option.
10251 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10252 (ix86_init_sse_abi_builtins): New function.
10253 (ix86_expand_library_builtin): Likewise.
10254 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10255 (override_options): Handle error conditions wrt -msselibm.
10256 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10257 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10258 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10261 2006-01-31 Richard Guenther <rguenther@suse.de>
10262 Paolo Bonzini <bonzini@gnu.org>
10264 * doc/install.texi (--disable-libgcc-math): Document.
10266 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10268 * expr.h (expand_normal): new inline function.
10269 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10270 * dojump.c: use it.
10271 * dwarf2out.c: use it.
10274 * expmed.c: use it.
10275 * except.c: use it.
10276 * config/sparc/sparc.c: use it.
10277 * config/i386/i386.c: use it.
10278 * config/rs6000/rs6000.c: use it.
10279 * config/arm/arm.c: use it.
10280 * config/mips/mips.c: use it.
10281 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10283 2006-01-30 Roger Sayle <roger@eyesopen.com>
10285 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10286 argv to the appropriate type.
10288 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10290 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10293 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10296 * config/s390/s390.c (struct machine_function): New flag
10297 decomposed_literal_pool_addresses_ok_p.
10298 (s390_reorg): Set it before final stage of literal pool transforms.
10299 (s390_decompose_address): Only accept displacements of the form
10300 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10302 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10304 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10305 the comparison routine return.
10307 2006-01-30 Michael Matz <matz@suse.de>
10309 * global.c (find_reg): Only evict for global regs.
10310 Take n_refs into account and dump more info.
10312 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10315 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10316 (pragma_trap, pragma_nosave_low_regs): Likewise.
10317 (current_function_anonymous_args): Likewise.
10318 (sh_deferred_function_attributes): New variable.
10319 (sh_deferred_function_attributes_tail): Likewise.
10320 (print_operand): For '@', look up trap_exit attribute.
10321 (calc_live_regs): Look up trapa_handler attribute. For trapa
10322 handlers, save/restore fpscr, but don't do any other
10323 interrupt-specific saves.
10324 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10325 Fix check for partially saved registers to check for SHmedia.
10326 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10327 (sh_output_function_epilogue): Don't clear any of the removed
10329 (sh_insert_attributes): Don't check pragma_interrupt.
10330 Insert deferred attributes. Check that interrupt attribute is
10331 present for other attributes that require its presence.
10332 (sh_attribute_table): Add new attributes trapa_handler and
10334 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10335 Don't check for pragma_interrupt. Don't store argument.
10336 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10337 (sh_deferred_function_attributes): Declare.
10338 (sh_deferred_function_attributes_tail): Likewise.
10339 * sh.md (sp_switch_1): Add operand. Change generator caller.
10340 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10341 (*return_i): Don't use when trap_exit attribute is in effect.
10342 (*return_trapa): New insn pattern.
10343 * sh-c.c: New file.
10344 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10345 setting c_target_objs and cxx_target_objs.
10346 * t-sh: Add rule for sh-c.o.
10348 2006-01-30 Richard Guenther <rguenther@suse.de>
10351 * gimplify.c (gimplify_target_expr): Handle easy cases
10352 without creating a temporary.
10354 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10356 * vec.h (safe_grow): Remove duplicated line.
10358 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10361 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10362 (expand_omp): ... here.
10363 (expand_omp_parallel): Only remove barriers for combined
10364 parallel+workshare constructs.
10366 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10370 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10371 * tree.c (build_qualified_type): Chain the new type to the original
10372 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10373 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10374 (build_pointer_type_for_mode): Only return unqualified types.
10375 (build_reference_type_for_mode): Likewise.
10377 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10379 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10380 * Makefile.in (CXX_COMPAT_WARN): Define.
10381 * configure: Regenerate.
10383 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10386 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10389 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10391 * toplev.c: Fix thinko.
10393 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10394 Marcin Dalecki <martin@dalecki.de>
10396 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10397 (push_srcloc): Use XNEW.
10398 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10400 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10402 * df-core.c (df_set_blocks): Deleted all variable.
10404 2006-01-28 Ian Lance Taylor <ian@airs.com>
10406 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10407 cgraph_output_pending_asms.
10409 2006-01-28 Zack Weinberg <zackw@panix.com>
10411 * c.opt: Add -W(no-)overlength-strings.
10412 * doc/invoke.texi: Document it.
10413 * c-opts.c (c_common_handle_option): -pedantic implies
10414 -Woverlength-strings, if not explicitly disabled already.
10415 (c_common_post_options): -Woverlength-strings defaults to off, and
10416 is always off for C++.
10417 * c-common.c (fix_string_type): Issue warning about strings longer
10418 than is portable only if warn_overlength_strings. Rearrange code
10419 a little for clarity.
10420 * configure.in: Check for -Wno-overlength-strings as well before
10421 enabling -pedantic in stage 1.
10422 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10423 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10425 * genconditions.c (write_header, write_one_condition)
10426 (write_conditions, write_writer): Consolidate very long strings
10427 that were broken up to fit in C89 portable limit. Don't use
10428 printf when fputs will do.
10430 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10432 * combine.c (simplify_comparison <AND>): Check
10433 TRULY_NOOP_TRUNCATION before start using a subreg.
10435 * config/mips/mips.md (*branch_zero<mode>,
10436 *branch_zero<mode>_inverted, *branch_equality<mode>,
10437 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10438 Remove mode check from comparisons.
10440 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10442 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10444 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10446 * expmed.c (const_mult_add_overflow_p): Remove.
10447 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10449 * recog.c (validate_replace_rtx_subexp): Remove.
10450 * recog.h: Remove the prototype for
10451 validate_replace_rtx_subexp.
10453 * integrate.h: Remove the prototype for
10454 copy_decl_for_inlining.
10455 * rtl.h: Remove the prototype for mark_constant_function.
10456 * tree-vectorizer.h: Remove the prototype for
10457 vect_strip_conversion.
10459 * modulo-sched.c (create_partial_schedule,
10460 free_partial_schedule, reset_partial_schedule): Make them
10463 * hooks.c (hook_bool_rtx_int_false): Remove.
10464 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10466 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10468 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10469 and -mlong-double-128 are incompatible.
10470 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10471 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10472 (TARGET_LIBGCC2_CFLAGS): Define.
10473 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10474 (TARGET_LIBGCC2_CFLAGS): Same.
10475 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10477 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10480 * c-typeck.c (build_binary_op): Perform implicit casts of
10481 operands before shortening them.
10483 * cfgloopmanip.c (split_loop_bb): Remove.
10484 * cfgloop.h: Remove the prototype for split_loop_bb.
10486 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10487 * cfgloop.h: Remove the prototype for
10488 flow_loop_outside_edge_p.
10490 * emit-rtl.c (init_virtual_regs): Make it static.
10491 * function.h: Remove the prototype for init_virtual_regs.
10493 * recog.c (peephole2_optimize): Make it static.
10494 * recog.h: Remove the prototype for peephole2_optimize.
10496 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10498 * df-scan.c (df_record_entry_block_defs): Check if
10499 INCOMING_RETURN_ADDR_RTX is defined.
10501 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10502 Kenneth Zadeck <zadeck@naturalbridge.com>
10504 PR rtl-optimization/24762
10505 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10506 * targhooks.c (hook_void_bitmap): New hook prototype.
10507 * targhoohs.h (hook_void_bitmap): Ditto.
10508 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10509 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10510 * target.h (live_on_entry): New function pointer.
10511 * df-scan.c (df_all_hard_regs): Removed.
10512 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10513 (df_scan_free_internal): Added df->entry_block_defs.
10514 (df_scan_alloc): Ditto.
10515 (df_scan_dump): Ditto.
10516 (df_uses_record): Plumbed flag field properly thru calls.
10517 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10518 This part fixes PR24762.
10519 (df_bb_refs_record): Added code to make the frame and arg
10520 pointers live in EH blocks.
10521 (df_refs_record): Added call to df_record_entry_block_defs.
10522 (df_record_entry_block_defs): New function.
10523 * df-core.c: Added comments to describe new artifical defs.
10524 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10525 (entry_block_defs): New field in struct df.
10526 (df_all_hard_regs): Deleted.
10527 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10528 * df-problems.c (df_ru_bb_local_compute_process_def):
10529 Added code to handle artifical defs in the entry to a function.
10530 (df_ru_bb_local_compute): Ditto.
10531 (df_rd_bb_local_compute_process_def): Ditto.
10532 (df_rd_bb_local_compute): Ditto.
10533 (df_lr_bb_local_compute): Ditto.
10534 (df_ur_bb_local_compute): Ditto.
10535 (df_urec_bb_local_compute): Ditto.
10536 (df_chain_create_bb): Ditto.
10537 (df_ur_local_finalize): Removed entry.
10538 (df_urec_init): Ditto.
10539 (df_urec_local_finalize): Ditto.
10540 (df_ri_bb_compute): Added detection of last use of pseudos.
10541 * Makefile.in (df-scan.o): Updated dependencies.
10542 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10543 * config/mips/mips.c (mips_set_live_on_entry): Added.
10544 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10546 * dce.c (marked_insn_p): Added code to handle artifical defs.
10548 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10550 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10552 (_mm_cvtsi128_si64): Likewise.
10553 (_mm_cvtsd_si64): Likewise.
10554 (_mm_cvttsd_si64): Likewise.
10555 (_mm_cvtsi64_sd): Likewise.
10556 (_mm_cvtsi64_si128): Likewise.
10557 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10558 (_mm_cvtsi64_m64): Likewise.
10559 (_m_to_int64): Likewise.
10560 (_mm_cvtm64_si64): Likewise.
10561 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10562 (_mm_cvttss_si64): Likewise.
10563 (_mm_cvtsi64_ss): Likewise.
10564 (_mm_cvtss_f32): Likewise.
10566 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10568 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10569 for pragma redefine_extname.
10571 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10574 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10575 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10576 -mno-minimal-toc to previous content.
10577 (bispecs): Remove goal.
10578 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10579 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10580 compatibility aliases on powerpc-*-*gnu*.
10581 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10582 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10583 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10584 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10585 (ldblspecs): New goal.
10586 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10587 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10589 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10590 L_sf_to_tf or L_df_to_tf is defined.
10592 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10593 Alan Modra <amodra@bigpond.net.au>
10596 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10597 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10598 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10599 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10600 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10601 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10602 (rs6000_override_options): Initialize rs6000_ieeequad.
10603 Initialize TFmode format to ibm_extended_format if not
10605 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10607 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10608 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10609 (function_arg_advance): IBM long double passed in two FPRs, not
10611 (function_arg): IBM long double passed in FPRs.
10612 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10613 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10614 Only multireg GPR aligned.
10615 (rs6000_init_libfuncs): Enable IBM long double functions if not
10617 (rs6000_generate_compare): Use IBM long double compare if not
10619 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10620 (TARGET_IEEEQUAD): Define.
10621 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10622 not TARGET_IEEEQUAD.
10623 * config/rs6000/rs6000.md: Enable TFmode patterns if
10625 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10626 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10627 and -mlong-double-128 are incompatible.
10628 * doc/invoke.texi (-mabi): Collect options together. Add
10629 ibmlongdouble and ieeelongdouble.
10631 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10633 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10635 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10636 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10637 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10638 * rtl.h (rtunion_def): Remove rt_ptr.
10640 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10641 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10642 * config/i386/winnt.c (i386_pe_mark_dllexport)
10643 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10645 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10647 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10649 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10653 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10654 pthread_key_delete. From John David Anglin. gthrw-ify
10655 pthread_getunique_np only if it it's not a macro. Delete
10657 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10658 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10659 __gthread_objc_condition_signal, __gthread_key_delete): Add
10660 "__attribute__ ((__unused__))" to unused arguments.
10661 (__gthread_recursive_mutex_init_function): Add missing return.
10662 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10663 gthr-posix95.h: Use macro-based approach for name redirection
10664 on targets missing weakref.
10666 2006-01-26 Zack Weinberg <zackw@panix.com>
10668 * genconditions.c (write_header): In generated code, #ifdef out
10669 all includes and fake declarations, except includes of bconfig.h
10670 and system.h, unless GCC_VERSION >= 3001. Do not include
10671 gensupport.h in any case.
10672 (write_conditions): Generate a definition of struct c_test. Add
10673 a comment to the generated #endif.
10674 (write_one_condition): Escape backslashes in string too.
10675 (write_writer): Generated code must escape backslashes and quote
10676 marks (but not newlines) in the strings it writes.
10677 * Makefile.in (build/gencondmd.o): Update dependencies.
10679 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10682 * Makefile.in (insn-automata.o): Add header file dependencies.
10683 * genautomata.c: Add includes.
10685 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10688 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10690 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10692 * configure.ac: Expect target tools paths to be passed from the toplevel
10693 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10695 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10697 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10700 * c.opt (Wpointer-sign): Init to -1.
10701 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10702 OPT_pedantic, to 0 otherwise.
10703 * doc/invoke.texi: Update.
10705 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10707 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10708 constants provided by 80387 instructions in the destination mode.
10710 2006-01-26 Richard Guenther <rguenther@suse.de>
10711 Andrew Pinski <pinskia@physics.uc.edu>
10714 partial PR tree-opt/17064
10715 * tree-ssa-structalias.c (intra_create_variable_infos):
10716 Create heap variables for incoming parameters if
10717 flag_argument_noalias > 1.
10718 (find_what_p_points_to): Look through default defs of
10721 2006-01-26 Jeff Law <law@redhat.com>
10724 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10725 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10726 within the VR_RANGE, use the VR_RANGE as the result, not the
10728 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10729 bounds for the type.
10731 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10733 * tree-ssa-alias.c (maybe_create_global_var): Change
10734 subvar walking to an assertion that we don't have subvar'd variables.
10736 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10739 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10740 Use a new variable, inner. PARM_DECLs are always non-weak.
10742 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10744 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10745 --disable-checking.
10747 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10749 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10751 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10753 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10754 (smax_insn, smin_insn, smax_0, smin_0): New.
10756 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10759 * config/cris/cris.c (cris_order_for_addsi3): New function.
10760 * config/cris/cris-protos.h: Prototype it.
10761 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10762 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10763 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10764 (split for "op.S1 [rx=rx+i],ry (swapped)")
10765 (split for "op(s|u).S1 [rx=rx+i],ry")
10766 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10767 Apply cris_order_for_addsi3 when generating addsi3 insns.
10769 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10771 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10772 (TREE_BLOCK): Add call to EXPR_CHECK.
10774 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10777 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10778 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10779 (dump_omp_clauses): ... here.
10780 (dump_generic_node): Handle OMP_CLAUSE.
10781 * tree.c (omp_clause_num_ops): New.
10782 (omp_clause_code_name): New.
10783 (tree_code_size): Handle OMP_CLAUSE.
10784 (tree_size): Likewise.
10785 (make_node): Document handling of OMP_CLAUSE.
10786 (tree_node_structure): Handle OMP_CLAUSE.
10787 (omp_clause_check_failed): New.
10788 (omp_clause_range_check_failed): New.
10789 (omp_clause_operand_check_failed): New.
10790 (build_omp_clause): New.
10791 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10792 * tree.h (enum omp_clause_code): Declare.
10793 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10794 (OMP_CLAUSE_RANGE_CHECK): Define.
10795 (OMP_CLAUSE_ELT_CHECK): Define.
10796 (omp_clause_check_failed): Declare.
10797 (omp_clause_operand_check_failed): Declare.
10798 (omp_clause_range_check_failed): Declare.
10799 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10800 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10801 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10802 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10803 (OMP_CLAUSE_IF_EXPR): Likewise.
10804 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10805 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10806 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10807 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10808 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10809 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10810 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10811 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10812 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10813 (OMP_CLAUSE_CODE): Define.
10814 (OMP_CLAUSE_SET_CODE): Define.
10815 (OMP_CLAUSE_CODE): Define.
10816 (OMP_CLAUSE_OPERAND): Define.
10817 (struct tree_omp_clause): Declare.
10818 (union tree_node): Add field 'omp_clause'.
10819 * treestruct.def (TS_OMP_CLAUSE): Define.
10820 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10821 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10822 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10823 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10824 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10825 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10826 (OMP_CLAUSE): Define.
10827 * print-tree.c (print_node): Handle OMP_CLAUSE.
10828 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10829 * c-typeck.c: Likewise.
10830 * gimplify.c: Likewise.
10831 * c-omp.c: Likewise.
10832 * tree-nested.c: Likewise.
10833 * tree-inline.c: Likewise.
10834 * c-parser.c: Likewise.
10835 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10838 2006-01-25 Roger Sayle <roger@eyesopen.com>
10840 PR rtl-optimization/25703
10841 * combine.c (try_combine): Handle zero_extract and strict_low_part
10842 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10844 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10846 * global.c: Fix comment typos.
10848 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10851 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10852 Use output_addr_const instead of assemble_name.
10854 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10856 * Makefile.in (sched-vis.o): Update dependencies.
10857 * haifa-sched.c (sched_finish): Clear current_sched_info.
10858 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10859 (dump_flow_info): Call it.
10860 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10862 * basic-block.h (dump_bb_info): Declare.
10863 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10864 option, and apply options only for dump files whose TDF_RTL,
10865 TDF_TREE, or TDF_IPA bits match.
10866 * rtl.h: Declare new functions exported from sched-vis.c.
10867 * sched-vis.c: Enable also if scheduling is not used.
10868 (print_value): Print the mode of registers if not inside scheduling.
10869 (print_insn): Make it work outside the scheduler. Beautify the output
10871 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10873 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10875 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10876 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10877 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10878 depending on the value of CONSTANT_POOL_ADDRESS_P.
10879 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10881 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10882 rather than SYMBOL_REF_DECL.
10883 (rtx_constant_pool): Remove const_rtx_sym_htab.
10884 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10885 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10886 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10887 Remove handling of const_rtx_sym_htab.
10888 (find_pool_constant): Delete.
10889 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10890 rather than find_pool_constant.
10891 (get_pool_constant_for_function): Delete.
10892 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10893 find_pool_constant.
10894 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10895 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10896 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10897 (SYMBOL_REF_CONSTANT): New macro.
10898 (get_pool_constant_for_function): Delete.
10899 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10900 rather than SYMBOL_REF_DECL.
10901 (i386_pe_mark_dllimport): Likewise.
10902 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10903 rather than SYMBOL_REF_DECL.
10904 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10905 (machopic_indirect_call_target): Likewise.
10907 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10909 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10911 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10913 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10915 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10917 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10919 2006-01-24 David Daney <ddaney@avtrex.com>
10922 * configure.ac (enable_tls): New enable option.
10923 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10924 * configure: Regenerate.
10925 * doc/install.texi (--enable-tls): Document new option.
10926 (--disable-tls): Ditto.
10928 2006-01-24 Richard Henderson <rth@redehat.com>
10930 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10931 * alias.c (true_dependence): Respect it.
10932 (canon_true_dependence, write_dependence_p): Likewise.
10933 * builtins.c (get_builtin_sync_mem): Set it.
10935 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10937 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10940 2006-01-24 DJ Delorie <dj@redhat.com>
10942 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10943 for storing constants in single-bit bitfields.
10945 2006-01-25 Ben Elliston <bje@au.ibm.com>
10947 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10949 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10952 * tree-ssa-pre.c (phi_translate): Return NULL
10953 for AGGREGATE_TYPE's.
10955 2006-01-24 Zack Weinberg <zackw@panix.com>
10957 * genautomata.c (process_state_for_insn_equiv_partition):
10958 Use xcalloc for insn_arcs_array.
10959 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10960 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10962 2006-01-24 Richard Henderson <rth@redhat.com>
10964 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10965 update all callers.
10967 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10969 PR rtl-optimization/25890
10970 PR rtl-optimization/25905
10971 * combine.c (expand_compound_operation, expand_field_assignment):
10972 Fail if the bitfield's final position is out of bounds.
10974 2006-01-24 Ian Lance Taylor <ian@airs.com>
10976 PR middle-end/25930
10977 * cgraphunit.c (cgraph_output_in_order): Don't clear
10978 cgraph_asm_nodes until after asm strings have been output.
10980 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10982 * fix-header.c (read_scan_file): Add new parameter imultilib when
10983 calling register_include_chains.
10985 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10987 * omp-low.c: Update documentation.
10989 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10990 Daniel Berlin <dberlin@dberlin.org>
10994 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10995 return from the function.
10997 2006-01-22 Zack Weinberg <zackw@panix.com>
10999 * rtl.def (match_code): Add second argument.
11000 * genpreds.c (write_extract_subexp): New function.
11001 (write_match_code): Add path argument. Use write_extract_subexp.
11002 (write_predicate_expr): Pass path to write_match_code.
11003 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11004 not perform a mode test.
11005 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11006 a subexpression does not constrain the top-level code set.
11007 * read-rtl.c (read_rtx_variadic): New function.
11008 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11009 * doc/md.texi: Document new notation.
11010 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11011 (cmpsi_operand): ... here, using new notation.
11013 2006-01-22 Zack Weinberg <zackw@panix.com>
11015 * varray.c: Remove GENERATOR_FILE #ifdefs.
11017 2006-01-22 Zack Weinberg <zackw@panix.com>
11019 * genautomata.c (output_reserved_units_table): Emit nothing if
11020 description->query_units_num is zero. Remove extra blank line.
11021 (output_cpu_unit_reservation_p): Short circuit
11022 if description->query_units_num is zero.
11024 2006-01-22 Zack Weinberg <zackw@panix.com>
11026 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11027 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11028 nor any of the random handful of variables that used to be necessary
11029 when this program was linked with rtlanal.o. Prune set of forward
11030 function declarations.
11031 (struct attr_desc): Remove static_p field.
11032 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11033 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11034 (attr_string): Do not read the character one past the length of
11036 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11037 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11038 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11039 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11040 (make_automaton_attrs): New.
11041 (main): Do not call into genautomata. Call local gen_bypass
11042 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11043 Remove special case for insn_alts.
11044 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11045 varray.h (leftover from previous change). Prune set of forward
11046 function declarations. Remove state_alts fields from all
11047 structures. Remove state_alts_table from struct automaton.
11048 Make everything except main static. Do not maintain num_dfa_decls.
11049 Do not maintain state_alts fields of various structures.
11050 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11051 (add_arc): Remove state_alts argument. All callers updated.
11052 (output_reserved_units_table): Emit #ifdef here...
11053 (output_tables): ...not here. Don't generate state_alts tables.
11054 (expand_automata): Don't generate attributes.
11055 (write_automata): Don't generate state_alts functions.
11056 (main): New function.
11057 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11058 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11059 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11060 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11061 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11062 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11063 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11064 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11066 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11067 * genattrtab.h: Delete file.
11068 * Makefile.in (OBJS-common): Add insn-automata.o.
11069 (insn-automata.o): New rule.
11070 (simple_generated_c): Add insn-automata.c.
11071 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11072 (genprogmd): Add automata.
11073 (build/genattrtab): Needs no extra objects nor libraries.
11074 (build/genautomata): Needs build/vec.o and -lm.
11076 2006-01-22 Zack Weinberg <zackw@panix.com>
11078 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11079 (output_dfa_max_issue_rate, locked_states_num): Delete.
11080 (struct automaton): Add locked_states field.
11081 (output_dead_lock_vect): Save number of locked states in
11082 automaton->locked_states. If it is zero, don't print anything.
11083 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11084 (output_internal_dead_lock_func): Only test the dead_lock_vect
11085 for automata that have locked states.
11086 (output_statistics): Always print the number of locked states for
11087 each automaton. Calculate total number of locked states here.
11088 (write_automata): Don't call output_dfa_max_issue_rate.
11089 * genattrtab.c: Define length_unit_log as a const variable.
11090 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11091 max_insn_queue_index const.
11092 * final.c (length_unit_log): Declare const.
11093 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11095 2006-01-22 Zack Weinberg <zackw@panix.com>
11097 * genautomata.c: Include vec.h, not varray.h.
11098 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11099 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11100 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11101 VEC_* macros operating on appropriately typed vectors, or to
11102 malloced arrays when the size is known in advance. Const-ify
11103 many char* variables and function arguments. No functional changes.
11104 * Makefile.in (build/varray.o): Delete rule.
11105 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11106 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11108 2006-01-22 Zack Weinberg <zackw@panix.com>
11110 * gensupport.c: Define get_insn_name and record_insn_name here.
11111 (read_md_rtx): Call record_insn_name as appropriate.
11112 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11113 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11114 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11116 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11117 (BUILD_VARRAY): Delete.
11118 (genprognormal): Rename genprogmd. Fold in all programs from
11119 genprognoprint; also attrtab.
11120 (build/genattrtab): Just mention genautomata.o and varray.o.
11121 Reorganize a bit, add comments to make the categories clearer.
11123 2006-01-22 Zack Weinberg <zackw@panix.com>
11125 * genconditions.c (condition_table, add_condition): Delete.
11126 (write_conditions): Don't emit n_insn_conditions nor
11127 insn_elision_unavailable. Issue the gcc version #ifdef here,
11128 inside the table, with no #else clause ...
11129 (write_header): ...not here.
11130 (write_writer): New function.
11131 (main): Don't initialize condition_table. Use add_c_test.
11133 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11134 files on the command line.
11135 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11136 Return -1 if there is no entry in the table, don't abort.
11137 (add_c_test, traverse_c_tests): New functions.
11138 * gensupport.h (insn_elision_unavailable, insn_conditions)
11139 (n_insn_conditions): Delete declarations.
11140 (add_c_test, traverse_c_tests): Declare.
11141 * read-rtl.c: Include gensupport.h.
11142 (read_conditions): New function.
11143 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11144 (read_rtx_1): If we get EOF when we were looking for an initial
11145 open paren, return 0. Call read_conditions when appropriate.
11146 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11147 dummy-conditions.o. Eliminate references to insn-conditions.o,
11148 or change them to build/gencondmd.o, as appropriate. Remove
11149 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11150 from $(simple_generated_c). For all files remaining in those
11151 two lists, add insn-conditions.md to the generator command line.
11152 Give insn-constants.h/s-constants their own rules. Add rules
11153 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11154 (build/read-rtl.o): Depend on gensupport.h.
11155 (genprognormal): Include preds.
11156 (genprogearly): Rename genprognoprint; only difference is now that
11157 they don't link with $(BUILD_PRINT).
11158 * dummy-conditions.c: Delete.
11160 2006-01-22 Zack Weinberg <zackw@panix.com>
11162 * genextract.c: Don't include insn-config.h. Do include vec.h.
11163 Declare vectors of int, char, and locstr.
11164 (locstr): New typedef.
11165 (struct extraction): Make all array fields into bare pointers.
11166 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11167 (insn_code_number): Delete.
11168 (accum_extract): New struct.
11169 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11170 (gen_insn): Take insn_code_number as an argument. Use an
11171 accum_extract structure instead of loading data directly into
11172 a struct extraction, and having to know how big it might get.
11173 (walk_rtx): Operate entirely on an accum_extract structure.
11174 (print_path): Avoid unnecessary use of printf.
11175 (print_header): New function, split out of main. Distinguish
11176 more carefully between an unrecognizable insn and an insn that
11177 has the code number of a define_expand.
11178 (main): Pass insn_code_number to gen_insn. Call print_header
11179 only after parsing. Avoid unnecessary use of printf.
11180 * Makefile.in (build/vec.o): New rule.
11181 (build/genextract): Depend on build/vec.o.
11182 (build/genextract.o): Don't depend on insn-config.h.
11184 2006-01-22 Zack Weinberg <zackw@panix.com>
11186 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11187 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11188 practical. Eliminate per-generator-program link rules.
11190 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11192 PR middle-end/24437
11193 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11194 with a call expr to ...
11195 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11197 2006-01-23 Richard Guenther <rguenther@suse.de>
11199 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11200 before make_edge with conditional EDGE_TRUE_VALUE.
11202 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11203 Jan Hubicka <jh@suse.cz>
11204 Richard Guenther <rguenther@suse.de>
11206 PR rtl-optimization/25654
11207 * cfgexpand.c (aggregate_contains_union_type): New function.
11208 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11209 for structure variables that contain a union type.
11211 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11213 * gengtype.c (new_structure): Return the structure.
11214 (create_option): Add an extra "next" argument.
11215 (create_field): New function.
11216 (adjust_field_rtx_def): Use create_option and create_field.
11217 Remove a now-unnecessary call to find_structure.
11218 (adjust_field_tree_def): Likewise.
11219 (note_yacc_type): Remove an unnecessary call to find_structure.
11220 * gengtype.h (new_structure): Return the structure.
11221 (create_option): Add an extra argument.
11222 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11223 (option): Adjust calls to create_option.
11225 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11227 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11229 2006-01-22 Paul Brook <paul@codesourcery.com>
11230 Peter Barada <peter@the-baradas.com>
11232 * config/m68k/m68k.md: Add Coldfire FPU support.
11233 Define FP mode macro and associated attributes.
11234 Use it for float mode patterns.
11235 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11236 (LIBCALL_VALUE): Use m68k_libcall_value.
11237 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11238 (m68k_function_value): Ditto.
11239 (emit_move_sequence): Ditto.
11240 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11241 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11242 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11243 (MULTILIB_EXCEPTIONS): Ditto.
11244 * config/m68k/m68k.opt: Add mcfv4e.
11245 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11246 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11247 (m68k_output_function_prologue): Save ColdFire FPU registers.
11248 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11249 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11250 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11251 ColdFire FPU registers.
11252 (m68k_libcall_value, m68k_function_value): New functions.
11253 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11254 (LIBCALL_VALUE): Use m68k_libcall_value.
11255 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11256 (MASK_COLDFIRE): Add MASK_CFV4E.
11257 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11258 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11259 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11260 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11261 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11262 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11263 * doc/invoke.tex: Document -mcfv4e on m68k.
11265 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11267 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11270 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11273 * c-opts.c (c_common_handle_option): Don't include
11274 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11275 * doc/invoke.texi (C++ Dialect Options): Document that
11276 -Wnon-virtual-dtor is no longer included in -Wall.
11278 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11280 * gcov.c (print_version), gcov-dump.c (print_version),
11281 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11284 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11286 * df-scan.c (problem_SCAN): Added NULL reset function.
11287 (df_scan_reset_blocks): Added code to call reset block function
11288 (df_bb_refs_delete) Fixed comment.
11289 (df_insn_refs_delete): Made tolerant of deleting non existent info
11290 for dataflow problems that need to be reset.
11291 * df-core.c (df_set_blocks): Ditto.
11292 * df.h (struct df_problem): Added reset_fun.
11293 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11294 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11295 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11296 functions to clear out all references to def-use or use-def chains.
11298 2006-01-21 Ben Elliston <bje@au.ibm.com>
11300 * varasm.c (assemble_real): Initialise data array.
11302 2006-01-20 Paul Brook <paul@codesourcery.com>
11304 Merge from csl-arm-branch.
11305 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11306 * config/arm/arm.md (movdi): Force operands[1] to a register
11307 if we have a non-register source.
11308 (*arm_movdi, *movdf_soft_insn): Require that one of the
11309 operands be a register.
11310 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11311 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11313 2006-01-20 DJ Delorie <dj@redhat.com>
11315 * varasm.c (initializer_constant_valid_p): Allow pointers
11316 initialized from integer constants of lesser precision.
11317 (output_constant): Allow non-int-sized pointer modes to be
11318 initialized from integer constants.
11320 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11323 * cppdefault.h (struct default_include): Add multilib flag.
11324 * cppdefault.c (cpp_include_defaults): Set it.
11325 * c.opt (-imultilib): New option.
11326 * c-opts.c (imultilib): New.
11327 (c_common_handle_option): Handle -imultilib.
11328 (c_common_post_options): Likewise.
11329 * c-incpath.c (add_standard_paths, register_include_chains):
11331 * c-incpath.h (register_include_chains): Add extra parameter.
11332 * gcc.c (do_spec_1): Generate -imultilib option.
11333 (The Specs Language): Update %I description.
11334 (process_command): Update copyright notice.
11335 * doc/cppopts.texi (-imultilib): Document.
11336 * doc/invoke.texi (-imultilib): Include in option summary.
11337 (%I): Update specs documentation.
11339 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11341 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11343 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11345 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11348 2006-01-20 Richard Guenther <rguenther@suse.de>
11349 Steven Bosscher <stevenb.gcc@gmail.com>
11351 PR rtl-optimization/24626
11352 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11353 EDGE_TRUE_VALUE if in RTL mode.
11356 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11357 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11359 2006-01-20 Dirk Mueller <dmueller@suse.com>
11362 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11363 instead of a special NOP marker.
11364 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11365 NOP marker handling.
11366 * c-common.h (empty_body_warning): Add forward declaration.
11367 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11368 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11370 2006-01-20 Paul Brook <paul@codesourcery.com>
11372 * Makefile.in (lang_checks): Keep going if mkdir fails.
11374 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11376 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11377 be able to clean out basic block when not necessary.
11378 (df_scan_free): Fixed to properly delete information if df is
11379 unused before calling df_finish.
11380 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11381 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11383 (df_bb_refs_delete): New function.
11384 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11385 * df-core.c (df_set_blocks): Added code to properly clean out
11386 unused blocks if they are not part of the blocks to consider.
11387 Added additional null check.
11388 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11389 be able to clean out basic block when not necessary
11390 * df.h (df_free_bb_function): Ditto.
11391 (df_bb_refs_delete): New function.
11392 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11393 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11394 basic block parameter to be able to clean out basic block when not
11396 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11397 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11398 Fixed to properly delete information if df is unused before
11401 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11403 PR rtl-optimization/25799
11404 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11405 Corrected confluence operator to remove bits from op2 before oring
11406 with op1 rather than removing bits from op1.
11407 (df_ru_transfer_function): Corrected test on wrong bitmap which
11408 caused infinite loop. Both of these problems were introduced in
11409 the dataflow rewrite.
11411 2006-01-19 DJ Delorie <dj@redhat.com>
11413 * reload1.c (find_reload_regs): Note the details of reload
11414 failures in the dump file.
11415 (spill_failure): Likewise.
11417 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11419 * loop-iv.c: Include df.h and hashtab.h.
11420 (enum iv_grd_result): New enum.
11421 (DF_REF_IV, DF_REF_IV_SET): New macros.
11422 (struct biv_entry): New.
11423 (df, bivs): New global variables.
11424 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11425 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11427 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11428 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11429 analyzed_for_bivness_p, record_biv): New functions.
11430 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11431 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11432 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11434 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11436 (iv_number_of_iterations): Use new interface to iv analysis.
11437 * loop-unroll.c: Do not include varray.h.
11438 (analyze_iv_to_split_insn): Use new interface to iv
11440 * loop-unswitch.c (may_unswitch_on): Ditto.
11441 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11443 (df_bb_modify): Realloc tables to the new index.
11444 (df_find_use): New function.
11445 * df.h (df_find_use): Declare.
11446 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11448 * cfgloop.h (struct rtx_iv): Remove analysed field.
11449 (iv_get_reaching_def): Removed.
11450 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11451 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11452 (loop-iv.o): Add df.h and hashtab.h dependency.
11453 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11455 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11458 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11460 (__floatundisf, __floatundidf): Likewise.
11461 * libgcc2.h (IS_IBM_EXTENDED): Define.
11463 2006-01-19 DJ Delorie <dj@redhat.com>
11465 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11467 2006-01-19 Paul Brook <paul@codesourcery.com>
11469 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11470 as nothrow when unwinding tables are disabled.
11472 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11475 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11476 of bit-field" when in system header.
11478 2006-01-19 DJ Delorie <dj@redhat.com>
11480 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11481 the 16 bit shift limit of the m16c.
11483 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11486 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11487 * config/i386/i386.c (output_set_got): Output the label if we have one
11488 for the TARGET_DEEP_BRANCH_PREDICTION case.
11490 2006-01-19 Jan Hubicka <jh@suse.cz>
11491 H.J. Lu <hongjiu.lu@intel.com>
11492 Evandro Menezes <evandro.menezes@amd.com>
11494 * invoke.texi (generic): Document
11496 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11497 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11498 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11499 (x86_use_incdec, x86_pad_returns): New variables
11500 (TARGET_CPU_DEFAULT_generic): New constant
11501 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11502 (enum processor_type): Add generic32 and generic64.
11503 * i386.md (cpu attribute): Add generic32/generic64
11504 (movhi splitter): Behave sanely when both partial_reg_dependency and
11505 partial_reg_stall are set.
11506 (K8 splitters): Enable for generic as well.
11507 * predicates.md (incdec_operand): Use TARGET_INCDEC
11508 (aligned_operand): Avoid memory mismatch stalls.
11509 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11510 * ppro.md: Enable for generic32
11511 * i386.c (generic64_cost, generic32_cost): New.
11512 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11513 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11514 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11515 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11516 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11517 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11518 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11519 x86_accumulate_outgoing_args, x86_prologue_using_move,
11520 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11521 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11522 Enable for generic.
11523 (x86_use_incdec, x86_pad_returns): New.
11524 (override_options): Add generic32 and generic64, translate "generic"
11525 to generic32/generic64 and "i686" to "generic32", refuse
11526 "generic32"/"generic64" as arch target.
11527 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11528 (ix86_reorg): Honor PAD_RETURNS.
11530 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11532 * tree-pretty-print.c (dump_generic_node): Handle
11533 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11534 * cgraph.c (cgraph_expand_queue): Rename from
11535 cgraph_analyze_queue. Update all users.
11536 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11537 cgraph_expand_queue.
11538 (cgraph_expand_all_functions): Likewise.
11539 (cgraph_finalize_pending_functions): Remove. Update callers.
11541 * tree.h (OMP_DIRECTIVE_P): Define.
11542 (OMP_PARALLEL_FN): Define.
11543 (OMP_PARALLEL_DATA_ARG): Define.
11544 (OMP_SECTIONS_SECTIONS): Define.
11545 * tree-pass.h (pass_expand_omp): Declare.
11546 * omp-low.c (struct omp_region): Declare.
11547 (struct omp_context): Remove fields 'parallel_type',
11548 'parallel_start_ix' and 'parallel_start_additional_args'.
11550 (struct omp_for_data): Rename from struct expand_omp_for_data.
11551 (omp_regions): New static variable.
11552 (root_omp_region): New static variable.
11553 (find_omp_clause): Make static.
11554 (is_in_combined_parallel_ctx): Remove.
11555 (is_combined_parallel): New.
11556 (extract_omp_for_data): Move earlier in the file.
11557 (workshare_safe_to_combine_p): New.
11558 (get_ws_args_for): New.
11559 (determine_parallel_type): Move earlier in the file.
11560 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11562 (omp_copy_decl): Likewise.
11563 (create_omp_child_function): Likewise.
11564 (lookup_omp_region): New.
11565 (dump_omp_region): New.
11566 (debug_omp_region): New.
11567 (debug_all_omp_regions): New.
11568 (new_omp_region): New.
11569 (scan_omp_parallel): If parallel_nesting_level > 1, the
11570 directive is nested within another parallel directive.
11571 Set OMP_PARALLEL_FN.
11572 (scan_omp_for): Do not try to handle combined parallel+for
11574 Remove FIXME comment.
11575 (scan_omp_nested): Remove.
11576 (scan_omp_1): Do not call scan_omp_nested when
11577 parallel_nesting_level is > 1.
11578 Do not change the DECL_CONTEXT of local variables found.
11579 (lookup_decl_in_outer_ctx): New.
11580 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11581 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11582 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11583 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11584 If CTX is nested, lookup VAR in the outer context when
11585 building copy assignment.
11586 (lower_send_clauses): Rename from expand_send_clauses.
11587 If CTX is nested, lookup VAR in the outer context when
11588 building copy assignments.
11589 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11590 If CTX is nested, lookup VAR in the outer context when
11591 building copy assignments.
11592 (expand_parallel_call): Rename from build_parallel_call.
11593 Handle combined parallel+workshare cases.
11594 Re-implement to emit code into the CFG.
11596 (expand_omp_parallel): Re-implement to emit code into the CFG.
11597 Call move_sese_region_to_fn to outline the sub-graph
11598 containing the parallel region.
11599 (expand_omp_for_1): Remove.
11600 (expand_omp_for_generic): Re-implement to emit code into the
11602 (expand_omp_for_static_nochunk): Likewise.
11603 (expand_omp_for_static_chunk): Likewise.
11604 (expand_omp_for): Likewise.
11605 (expand_omp_sections): Likewise.
11606 (remove_exit_barriers): New.
11607 (expand_omp_synch): New.
11609 (build_omp_regions_1): New.
11610 (build_omp_regions): New.
11611 (execute_expand_omp): New.
11612 (gate_expand_omp): New.
11613 (pass_expand_omp): Define.
11614 (lower_omp_sections): Rename from expand_omp_sections.
11615 Set OMP_SECTIONS_SECTIONS.
11616 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11617 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11618 (lower_omp_single): Rename from expand_omp_simple.
11619 (lower_omp_master): Rename from expand_omp_master.
11620 (lower_omp_ordered): Rename from expand_omp_ordered.
11621 (lower_omp_critical): Rename from expand_omp_critical.
11622 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11623 (lower_omp_for): Re-implement.
11624 (lower_omp_parallel): Re-implement.
11625 (lower_regimplify): Rename from expand_regimplify.
11626 (lower_omp_1): Rename from expand_omp_1.
11627 If there are syntax errors in the program, replace every
11628 OpenMP directive with NOP.
11629 Call lower_omp_* instead of expand_omp_*.
11630 (lower_omp): Rename from expand_omp.
11632 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11633 * tree-gimple.h (enum omp_parallel_type): Remove.
11634 (gimple_boolify): Declare extern.
11635 (find_omp_clause, determine_parallel_type): Remove.
11637 * gimple-low.c (lower_omp_directive): New.
11638 (lower_stmt): Call it.
11639 (record_vars_into): Move from ...
11640 (record_vars): ... here.
11641 Call record_vars_into with current_function_decl.
11643 * gimplify.c (struct gimplify_ctx): Remove fields
11644 combined_pre_p and combined_ctxp. Update users.
11645 (get_formal_tmp_var): Add documentation.
11646 (gimple_boolify): Make extern.
11647 (gimplify_expr_in_ctx): Remove. Update callers.
11648 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11649 will always be a BIND_EXPR.
11650 (gimplify_expr): Handle OMP_RETURN_EXPR.
11651 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11652 (OMP_PARALLEL): Add 3 operands.
11653 (OMP_SECTIONS): Add 1 operand.
11654 (OMP_RETURN_EXPR): Define.
11656 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11657 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11658 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11659 creating a circular free list.
11660 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11662 * tree-flow.h (move_sese_region_to_fn): Declare.
11663 (record_vars_into): Declare.
11664 * tree-cfg.c (make_omp_sections_edges): New.
11665 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11666 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11667 OMP_SECTIONS and OMP_SECTION.
11668 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11669 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11670 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11671 (gather_blocks_in_sese_region): New.
11672 (struct move_stmt_d): Declare.
11673 (move_stmt_r): New.
11674 (move_block_to_fn): New.
11675 (move_sese_region_to_fn): New.
11677 * passes.c (init_optimization_passes): Schedule
11678 pass_expand_omp after pass_init_datastructures.
11680 * tree-ssa-operands.c (get_expr_operands): Handle
11681 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11682 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11684 2006-01-19 Jeff Law <law@redhat.com>
11686 * tree-vrp.c (extract_range_from_assert): Refine the result range
11687 if the variable referenced by the ASSERT_EXPR has a range and
11688 either the tentative result range or the previous range is a
11691 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11693 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11695 2006-01-19 Jan Hubicka <jh@suse.cz>
11697 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11699 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11701 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11702 (expand_compound_operation, expand_field_assignment): Fail if the
11703 bit lengths of an extract operation are out of range.
11704 (make_extraction): Compute wanted_inner_mode based on the position
11705 and length of the extraction. Make it extraction_mode for non-constant
11706 positions, and do not modify offset in that case. When generating a
11707 new MEM, use a mode that can hold the extraction while keeping correct
11708 alignment. Remove code that supported MEMs wrapped by USEs.
11709 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11711 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11713 * config/s390/s390.md ("Y", "y"): New mode attribute.
11714 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11715 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11716 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11717 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11718 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11719 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11720 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11721 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11722 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11723 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11724 "addsi3", "subsi3"): Insn patterns removed.
11725 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11726 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11727 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11728 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11729 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11730 "*sub<mode>3_cconly2"): New insn patterns.
11731 ("addsi3", "subsi3"): New expanders.
11733 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11735 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11736 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11737 existing STMT_VINFO_VECTYPE if available.
11738 (vect_mark_relevant): Add special handling for stmts that are
11739 marked as STMT_VINFO_IN_PATTERN_P.
11740 (vect_analyze_loop): Call vect_pattern_recog.
11741 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11742 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11744 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11745 (vect_recog_func_ptr): New function-pointer type.
11746 * tree-vect-patterns.c: New file.
11747 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11748 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11749 (vect_pattern_recog_1): New functions.
11750 (vect_pattern_recog_funcs): New array of function pointers.
11752 * tree-vectorizer.h (ternary_op): New enum value.
11753 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11754 declaration. Revised documentation. Removed redundant dump prints.
11755 Removed redundant argument. Added support for reduction patterns.
11756 (vectorizable_reduction): Added support for reduction patterns.
11757 (vect_transform_stmt): Added support for patterns.
11759 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11760 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11761 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11762 (expand_widen_pattern_expr): New function.
11763 (init_optabs): Initialize new optabs udot_prod_optab,
11765 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11766 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11767 (expand_widen_pattern_expr): New function declaration.
11768 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11770 * tree-inline.c (estimate_num_insns_1): Added cases for new
11771 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11772 * tree-pretty-print.c (dump_generic_node): Likewise.
11773 (op_prio): Likewise.
11774 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11775 * tree-ssa-operands.c (get_expr_operands): Added case for
11777 * tree-vect-patterns.c (widened_name_p): New function.
11778 (vect_recog_dot_prod_pattern): Added function implementation.
11779 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11780 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11781 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11782 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11784 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11785 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11786 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11787 (init_optabs): Initialize new optabs widen_ssum_optab,
11789 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11790 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11791 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11792 use instead of type of def.
11793 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11794 function implementation.
11795 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11796 widen_ssumv8hi): New.
11798 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11801 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11804 * c-decl.c (add_flexible_array_elts_to_size): New function.
11805 (finish_decl): Use it.
11807 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11809 * diagnostic.h: Include options.h.
11810 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11811 dependancies for diagnostic.h.
11812 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11814 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11816 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11817 (ssa_ro_call_cache_valid): Ditto.
11818 * tree-ssa-alias.c (sort_tags_by_id): New function.
11819 (init_transitive_clobber_worklist): Ditto.
11820 (add_to_worklist): Ditto.
11821 (mark_aliases_call_clobbered): Ditto.
11822 (compute_tag_properties): Ditto.
11823 (set_initial_properties): Ditto.
11824 (compute_call_clobbered): Ditto.
11825 (compute_may_aliases): Call compute_call_clobbered and grouping.
11826 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11827 (compute_flow_insensitive_aliasing): Grouping now happens in our
11829 (setup_pointers_and_addressables): Remove clobbering related code.
11830 (add_may_alias): Ditto.
11831 (replace_may_alias): Ditto.
11832 (get_nmt_for): Ditto.
11833 (create_global_var):
11834 (is_escape_site): Return an escape_type enumeration.
11835 * tree-flow-inline.h (is_call_clobbered): Global var does not
11836 imply call clobbered.
11837 (mark_call_clobbered): Take a reason for marking this. Remove
11838 marking of globalness, and cache invalidation.
11839 (clear_call_clobbered): Remove cache invalidation code.
11840 * tree-dfa.c (dump_variable): If details is on, dump the reason
11842 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11844 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11845 (struct var_ann_d): Ditto.
11846 (enum escape_type): New.
11847 (mark_call_clobbered): Adjust prototype.
11848 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11849 are never call clobbered.
11850 Record reasons for escaping.
11851 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11852 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11853 (ssa_ro_call_cache_valid): Ditto.
11854 (clobbered_v_may_defs): Ditto.
11855 (clobbered_vuses): Ditto.
11856 (ro_call_vuses): Ditto.
11857 (clobber_stats): New.
11858 (init_ssa_operands): Zero out clobber stats.
11859 (fini_ssa_operands): Print out clobber stats.
11860 (get_call_expr_operands): Pass callee fndecl to
11861 add_call_read_ops).
11862 (add_call_clobber_ops): Remove use of cache.
11863 Add use of PURE_CONST information.
11864 (add_call_read_ops): Remove use of cache.
11865 Add use of static not_read information.
11867 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11869 Introduce TLS descriptors for i386 and x86_64.
11870 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11871 (TARGET_ANY_GNU_TLS): New macro.
11872 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11873 (struct machine_function): Add tls_descriptor_call_expanded_p.
11874 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11875 (ix86_current_function_calls_tls_descriptor): Likewise.
11876 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11877 (override_options): Introduce gnu2 tls dialect.
11878 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11880 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11882 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11883 (ix86_init_machine_status): Initialize new field.
11884 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11885 (ix86_tls_module_base): New.
11886 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11887 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11888 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11889 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11890 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11891 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11892 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11893 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11894 * config/i386/predicates.md (tls_modbase_operand): New.
11895 (tp_or_register_operand): New.
11897 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11899 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11900 (look_for_address_of): Ditto.
11901 (ipa_init): Walk the function decls.
11902 (static_execute): Don't set readonly on FUNCTION_DECL's.
11904 2006-01-18 Roger Sayle <roger@eyesopen.com>
11906 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11907 for shifts where the source and destination registers are different.
11909 2006-01-18 Paul Brook <paul@codesourcery.com>
11911 Merge from csl-arm-branch.
11912 2005-03-14 Julian Brown <julian@codesourcery.com>
11913 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11914 (aeabi_llsl): Likewise.
11915 (ashrdi3): Likewise.
11916 (aeabi_lasr): Likewise.
11917 (lshrdi3): Likewise.
11918 (aeabi_llsr): Likewise.
11919 2005-03-10 Julian Brown <julian@codesourcery.com>
11920 * config.gcc: Disable shared libgcc for SymbianOS.
11921 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11923 2006-01-18 DJ Delorie <dj@redhat.com>
11925 * c-pragma.c (handle_pragma_diagnostic): New.
11926 (init_pragma): Register it.
11927 * doc/extend.texi: Document it.
11929 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11930 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11931 (diagnostic_context): Add classify_diagnostic[].
11932 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11933 as errors if they're overridden to DK_WARNING.
11934 (diagnostic_initialize): Initialize classify_diagnostic[].
11935 (diagnostic_set_kind_override): New.
11936 (diagnostic_report_diagnostic): Check for kind changes.
11937 * opts.c (common_handle_option): Take lang_mask. Update callers.
11938 Handle OPT_Werror_.
11939 * common.opt (Werror=): New.
11940 * doc/invoke.texi: Document -Werror=*
11942 2006-01-18 Jeff Law <law@redhat.com>
11944 * tree-vrp.c (test_for_singularity): Correct test for new
11945 min limit. Use operand_equal_p rather than pointer equality
11946 for testing if new min/max values are equal.
11948 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11949 using range information until after propagation and folding.
11951 2006-01-18 Richard Henderson <rth@redhat.com>
11952 Aldy Hernandez <aldyh@redhat.com>
11953 Jakub Jelinek <jakub@redhat.com>
11954 Diego Novillo <dnovillo@redhat.com>
11956 * omp-low.c: New file.
11957 * c-omp.c: New file.
11959 2006-01-18 Richard Henderson <rth@redhat.com>
11960 Jakub Jelinek <jakub@redhat.com>
11961 Diego Novillo <dnovillo@redhat.com>
11963 * doc/invoke.texi: Document -fopenmp.
11964 * tree-dump.h (debug_function): Declare.
11965 * hooks.c (hook_bool_tree_bool_false): New function.
11966 (hook_tree_tree_null): Remove.
11967 (hook_tree_tree_tree_null): New.
11968 * hooks.h: Update to match.
11969 * tree-pretty-print.c (debug_tree_chain): New.
11970 (print_generic_expr): Handle TDF_CHAIN.
11971 (dump_generic_node): Handle BLOCK.
11972 Do not abort with incomplete SWITCH_EXPRs.
11973 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11974 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11975 print space after directive name.
11976 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11977 Handle OMP_MASTER and OMP_ORDERED.
11978 Handle printing of OMP_BODY just in one place, goto
11979 dump_omp_body in the rest of OMP_* nodes that have
11981 Don't handle clause nodes here. Update omp statements to
11982 use dump_omp_clauses.
11983 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11984 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11985 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11986 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11987 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11988 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11989 Adjust output for GOMP_PARALLEL.
11990 (dump_omp_clauses): New.
11991 (print_declaration): Dump DECL_VALUE_EXPR.
11992 (op_symbol_1): Split out of op_symbol.
11993 (dumping_stmts): Remove. Update all users.
11994 * cgraph.c (cgraph_analyze_queue): New.
11995 (cgraph_add_new_function): New.
11996 * cgraph.h (cgraph_analyze_queue): Declare.
11997 (cgraph_add_new_function): Declare.
11998 (cgraph_lower_function): Remove.
11999 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12000 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12001 and TYPE_P nodes in its default clause.
12002 (empty_body_p): New.
12003 (tree_range_check_failed): New.
12004 (build5_stat): New.
12005 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12006 OMP_CLAUSE_REDUCTION_MERGE,
12007 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12008 OMP_CLAUSE_PRIVATE_DEBUG,
12009 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12010 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12011 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12012 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12013 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12014 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12015 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12016 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12017 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12018 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12019 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12020 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12021 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12022 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12023 (TREE_RANGE_CHECK): New.
12024 (empty_body_p): Declare.
12025 (enum omp_clause_default_kind): New.
12026 (build_string_literal): Declare.
12027 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12028 (build5_stat, build5): Declare.
12029 * tree-pass.h (TDF_CHAIN): Define.
12030 * tree-pass.h (PROP_gimple_lomp): Define.
12031 (pass_lower_omp): Declare.
12032 * diagnostic.h (debug_tree_chain): Declare.
12033 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12035 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12036 * builtins.c (build_string_literal): Make extern.
12037 * gcc.c (include_spec_function): New.
12038 (static_spec_functions): Add it.
12039 (main): Move load of libgomp.spec ...
12040 (LINK_COMMAND_SPEC): ... here.
12041 (link_gomp_spec): New.
12042 (static_specs): Include it.
12043 (LINK_COMMAND_SPEC): Add link_gomp.
12044 (GOMP_SELF_SPECS): New.
12045 (driver_self_specs): Include it.
12046 (switch_matches): Don't mark inline.
12047 (main): Load libgomp.spec.
12048 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12049 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12050 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12051 * tree-gimple.h (enum omp_parallel): Declare.
12052 (determine_parallel_type): Declare.
12053 (omp_firstprivatize_variable): Declare.
12054 (omp_reduction_init): Declare.
12055 (diagnose_omp_structured_block_errors): Declare.
12056 (struct walk_stmt_info): Add want_return_expr.
12057 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12058 (find_omp_clause): Declare.
12059 (insert_field_into_struct): Declare.
12060 (struct walk_stmt_info): Move from tree-nested.c
12061 (walk_stmts): Declare.
12062 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12064 * cgraphunit.c (cgraph_lower_function): Make static.
12065 (cgraph_finalize_pending_functions): New.
12066 (cgraph_finalize_function): Call it.
12067 (cgraph_finalize_compilation_unit): Likewise.
12068 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12069 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12070 (BT_FN_UINT_UINT): New.
12071 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12072 DEF_FUNCTION_TYPE_VAR_4): Document.
12073 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12074 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12075 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12076 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12077 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12078 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12079 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12080 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12081 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12082 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12083 into separate files.
12084 (DEF_GOMP_BUILTIN): New.
12085 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12086 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12087 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12088 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12089 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12090 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12091 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12092 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12093 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12094 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12095 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12096 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12097 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12098 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12099 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12100 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12101 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12102 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12103 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12104 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12105 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12106 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12107 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12108 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12109 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12110 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12111 * sync-builtins.def: New file, moved from builtins.def.
12112 * omp-builtins.def: New file, moved from builtins.def.
12113 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12114 * gimple-low.c (lower_function_body): Clear data.
12115 (lower_stmt): Do not handle COMPOUND_EXPR.
12116 Remove call to print_node_brief.
12117 * c-tree.h (c_finish_omp_clauses): New prototype.
12118 (C_DECL_THREADPRIVATE_P): Define.
12119 (lookup_name_no_remap, c_omp_remap_private): Remove
12120 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12121 (check_for_loop_decls): Update decl.
12122 (lookup_name_no_remap, c_omp_remap_private): Declare.
12123 (build_indirect_ref, build_modify_expr, pushdecl,
12124 pushdecl_top_level): Move to c-common.h.
12125 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12126 before the switch, but just in the 2 places that need it.
12127 * c-decl.c (diagnose_mismatched_decls): Do not check for
12128 mismatched thread-local attributes when OLDDECL is marked
12129 threadprivate and NEWDECL has no thread-local attributes.
12130 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12131 (c_gimple_diagnostics_recursively): Rename from
12132 c_warn_unused_result_recursively. Invoke
12133 diagnose_omp_structured_block_errors.
12134 (check_for_loop_decls): Return a singular decl found.
12135 * langhooks.c (lhd_omp_predetermined_sharing): Return
12136 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12137 (lhd_omp_firstprivatize_type_sizes): New.
12138 (lhd_omp_assignment): New.
12139 (lhd_omp_predetermined_sharing): New.
12140 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12141 (struct lang_hooks_for_types): Add
12142 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12143 omp_predetermined_sharing, omp_disregard_value_expr,
12144 omp_private_debug_clause, omp_clause_default_ctor,
12145 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12146 (c_finish_omp_clauses): New.
12147 (c_finish_bc_stmt): Diagnose break within omp for.
12148 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12149 (build_unary_op): Return error_mark after reporting
12151 (build_modify_expr): Likewise.
12152 * gimplify.c: Include optabs.h and pointer-set.h.
12153 (enum gimplify_omp_var_data): Declare.
12154 (struct gimplify_omp_ctx): Declare.
12155 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12157 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12158 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12159 (splay_tree_compare_decl_uid): New.
12160 (new_omp_context): New.
12161 (delete_omp_context): New.
12162 (gimple_add_tmp_var): Call omp_add_variable.
12163 (gimplify_bind_expr): Likewise.
12164 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12165 true, disregard DECL_VALUE_EXPR on the decl if any.
12166 (gimplify_expr_in_ctx): New.
12167 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12168 omp_add_variable, omp_notice_variable, omp_is_private
12169 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12170 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12171 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12172 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12173 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12174 gimplify_omp_atomic): New.
12175 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12176 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12177 OMP_CRITICAL and OMP_ATOMIC.
12178 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12179 * c-pragma.h (enum pragma_kind): Add
12180 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12181 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12182 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12183 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12184 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12185 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12186 PRAGMA_OMP_THREADPRIVATE.
12187 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12188 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12189 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12190 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12191 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12192 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12193 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12194 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12195 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12196 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12197 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12198 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12199 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12201 (struct nesting_info): Add field_map,
12202 suppress_expansion, debug_var_chain.
12203 (create_nesting_tree): Initialize them.
12204 (lookup_field_for_decl): Use field_map.
12205 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12206 (convert_local_omp_clauses): New.
12207 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12208 (walk_body): Split out of walk_function.
12209 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12210 (convert_nonlocal_reference): Handle omp statements.
12211 (convert_local_reference): Likewise.
12212 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12213 (unnest_nesting_tree): New.
12214 (lower_nested_functions): Call it.
12215 (insert_field_into_struct): Make extern.
12216 (struct walk_stmt_info): Move to tree-gimple.h.
12217 (walk_stmts): Make extern.
12218 * omp-builtins.def: New file.
12219 * tree-iterator.c (expr_only): Clarify comment.
12220 * c-common.h (pushdecl_top_level, pushdecl,
12221 build_modify_expr, build_indirect_ref,
12222 c_finish_omp_master, c_finish_omp_critical,
12223 c_finish_omp_ordered, c_finish_omp_barrier,
12224 c_finish_omp_atomic, c_finish_omp_flush,
12225 c_finish_omp_for, c_split_parallel_clauses,
12226 omp_clause_default_kind, c_omp_sharing_predetermined,
12227 c_omp_remap_decl): Declare.
12228 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12229 (OBJS-common): Add omp-low.o.
12230 (c-omp.o, omp-low.o): Add.
12231 (gimplify.o): Add dependency on $(OPTABS_H).
12232 (GTFILES): Add omp-low.c.
12233 (gt-stringpool.h): Add.
12234 * tree-cfg.c (set_bb_for_stmt): Do not update the
12235 block-to-labels map if we are currently expanding to RTL.
12236 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12238 Handle IDENTIFIER_NODE.
12239 (tree_verify_flow_info): Do not ICE when emitting error
12240 messages about invalid labels.
12241 (dump_function_to_file): Reset CFUN before emitting the body
12243 (debug_function): New.
12244 * passes.c (init_optimization_passes): Schedule
12246 * langhooks-def.h (lhd_omp_predetermined_sharing,
12247 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12249 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12250 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12251 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12252 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12253 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12254 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12255 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12256 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12257 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12258 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12259 (LANG_HOOK_DECLS): Use them.
12261 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12262 Richard Henderson <rth@redhat.com>
12263 Jakub Jelinek <jakub@redhat.com>
12264 Diego Novillo <dnovillo@redhat.com>
12266 * c-parser.c (pragma_omp_clause): Define.
12267 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12268 (c_parser_compound_statement): Likewise.
12269 (c_parser_statement): Likewise.
12270 (c_parser_pragma): Handle omp pragmas.
12271 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12272 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12273 (c_parser_omp_clause_name, check_no_duplicate_clause,
12274 c_parser_omp_variable_list,
12275 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12276 c_parser_omp_clause_copyprivate,
12277 c_parser_omp_clause_default,
12278 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12279 c_parser_omp_clause_lastprivate,
12280 c_parser_omp_clause_nowait,
12281 c_parser_omp_clause_num_threads,
12282 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12283 c_parser_omp_clause_reduction,
12284 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12285 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12286 c_parser_omp_atomic, c_parser_omp_barrier,
12287 c_parser_omp_critical, c_parser_omp_flush,
12288 c_parser_omp_for_loop, c_parser_omp_for,
12289 c_parser_omp_master, c_parser_omp_ordered,
12290 c_parser_omp_sections_scope, c_parser_omp_sections,
12291 c_parser_omp_parallel, c_parser_omp_single,
12292 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12293 * c-pragma.c (init_pragma): Do omp pragma registration here.
12294 * c.opt (fopenmp): New flag.
12296 2006-01-18 Eric Christopher <echristo@apple.com>
12298 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12299 * config/darwin.h (GOMP_SELF_SPECS): Define.
12301 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12303 * rtl.h: Remove the prototype for reg_alloc.
12305 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12308 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12309 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12310 sjlj and dwarf2 exception handling.
12311 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12312 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12313 * pa/pa.c (function_value): Treat complex and vector types as
12315 (function_arg): Likewise. Only pass scalar floats in the floating
12316 point argument registers.
12317 * pa/t-slibgcc-dwarf-ver: New file.
12318 * pa/t-slibgcc-sjlj-ver: New file.
12319 * pa/t-slibgcc-elf-ver: Delete file.
12321 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12323 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12324 unlikely_test_section_p test.
12326 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12328 * mode-switching.c (optimize_mode_switching): Make it static.
12329 * basic-block.h: Remove the prototype for
12330 optimize_mode_switching.
12332 * modulo-sched.c (sms_schedule): Make it static.
12333 * rtl.h: Remove the prototype for sms_schedule.
12335 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12336 * rtl.h: Remove the prototype for gcse_after_reload_main.
12338 * reg-stack.c (reg_to_stack): Make it static.
12339 * rtl.h: Remove the prototype for reg_to_stack.
12341 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12343 * rtl.h: Remove the prototypes for regrename_optimize and
12344 copyprop_hardreg_forward.
12346 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12348 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12349 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12350 Test against the appropriate null constant for the mode.
12351 If 'fixup_overlap' is true, swap the operands if they overlap.
12352 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12353 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12354 alpha_split_tmode_pair and adjust for above change.
12355 * config/alpha/alpha.md (movtf_internal): Adjust call to
12356 alpha_split_tfmode_pair and rely on it to swap the operands.
12357 (movti_internal): New insn and post-reload splitter.
12358 (movti): New expander.
12360 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12362 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12365 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12367 * rtlanal.c (global_reg_mentioned_p_1,
12368 global_reg_mentioned_p): Remove.
12369 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12371 * flow.c (initialize_uninitialized_subregs): Make it static.
12372 * rtl.h: Remove the prototype for
12373 initialize_uninitialized_subregs.
12375 * function.c (instantiate_virtual_regs): Make it static.
12376 * function.h: Remove the prototype for
12377 instantiate_virtual_regs.
12379 * regmove.c (regmove_optimize, combine_stack_adjustments):
12381 * rtl.h: Remove the prototypes for regmove_optimize and
12382 combine_stack_adjustments.
12384 2006-01-17 Roger Sayle <roger@eyesopen.com>
12386 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12387 (size_cost): Encode costs in bytes so that a reg-reg addition is
12388 equivalent to COSTS_N_INSNS(1).
12389 (override_options): Use the size_cost.branch_cost as the default
12390 ix86_branch_cost when optimizing for size.
12392 2006-01-18 Ben Elliston <bje@au.ibm.com>
12394 * Makefile.in (D32PBIT_FUNCS): New.
12395 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12396 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12397 D64PBIT_FUNCS and D128PBIT_FUNCS.
12398 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12399 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12401 (decnumber_dep): Define.
12402 * doc/libgcc.texi (Decimal float library routines): New node.
12403 * config/dfp-bit.h, config/dfp-bit.c: New files.
12405 2006-01-18 Ben Elliston <bje@au.ibm.com>
12407 * expr.c (emit_move_change_mode): Always adjust addresses, not
12408 just during reload. Copy replacements only during reload.
12409 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12410 emit_move_via_integer.
12412 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12414 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12415 instead of $(srcdir) and ${srcdir}.
12417 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12420 PR middle-end/11135
12421 * arm.h (struct machine_function): Add pic_reg.
12422 * arm.c (arm_pic_register): Make unsigned.
12423 (arm_override_options): Only set arm_pic_register if
12424 TARGET_SINGLE_PIC_BASE.
12425 (use_return_insn): Only test for a pic register if it is fixed.
12426 (arm_compute_save_reg0_reg12_mask): Likewise.
12427 (thumb_compute_save_reg_mask): Likewise.
12428 (legitimate_pic_operand): Factor out some known invariants.
12429 (legitimize_pic_address): If we don't have a fixed pic register,
12430 then set up a pseudo in the function entry sequence. Handle the
12431 pic base being in a pseudo.
12432 (arm_load_pic_register): Handle the pic register being in a pseudo.
12433 (arm_expand_prologue): Only set up the pic register if it is fixed.
12434 (thumb_expand_prologue): Likewise.
12435 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12436 (pic_load_addr_based_insn): Likewise.
12437 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12440 2006-01-18 Ben Elliston <bje@au.ibm.com>
12442 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12443 decimal float modes for all floating point registers.
12445 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12446 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12448 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12451 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12452 even when the pointer is not NULL.
12454 2006-01-16 Ian Lance Taylor <ian@airs.com>
12456 * common.opt (ftoplevel-reorder): New option.
12457 * cgraph.c (cgraph_asm_nodes): New global variable.
12458 (cgraph_asm_last_node): New static variable.
12459 (cgraph_order): New global variable.
12460 (cgraph_create_node): Set new order field.
12461 (cgraph_varpool_node): Likewise.
12462 (decide_is_variable_needed): Return true if not
12463 flag_toplevel_reorder.
12464 (cgraph_add_asm_node): New function.
12465 * cgraph.h (struct cgraph_node): Add order field.
12466 (struct cgraph_varpool_node): Add order field.
12467 (struct cgraph_asm_node): Define.
12468 (cgraph_asm_nodes, cgraph_order): Declare.
12469 (cgraph_add_asm_node): Declare.
12470 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12472 (cgraph_varpool_assemble_pending_decls): Call it.
12473 (cgraph_output_pending_asms): New static function.
12474 (cgraph_finalize_compilation_unit): Call it.
12475 (struct cgraph_order_sort): Define.
12476 (cgraph_output_in_order): New static function.
12477 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12478 !flag_toplevel_reorder case.
12479 * c-parser.c: Include "cgraph.h".
12480 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12482 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12483 than -fno-unit-at-a-time.
12484 * doc/invoke.texi (Option Summary): Mention
12485 -fno-toplevel-reorder.
12486 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12487 -funit-at-a-time documentation.
12489 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12490 Kazu Hirata <kazu@codesourcery.com>
12492 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12494 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12496 * Makefile.in (FUNCTION_H): New. Use it instead of
12497 function.h throughout the file.
12498 * function.h: Include tree.h.
12500 2006-01-17 Ben Elliston <bje@au.ibm.com>
12502 * recog.c: Separate some functions with whitespace.
12504 2006-01-16 Richard Henderson <rth@redhat.com>
12506 Merge from gomp branch:
12507 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12508 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12509 and rename from struct inline_data. Rename callee* to dst*;
12510 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12511 transform_new_cfg, transform_return_to_modify, and
12512 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12514 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12515 (copy_decl_for_dup): Remove.
12516 * tree-inline.c (struct inline_data): Move to header.
12517 (insert_decl_map): Export.
12518 (remap_decl): Update for member name changes. Use copy_decl hook.
12519 Allow for replacement to be a non-decl. Remove dead code.
12520 (remap_type_1): Check for existing mapping.
12521 (remap_type): Export.
12522 (remap_decls): Update for member name changes.
12523 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12524 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12525 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12526 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12527 (tree_function_versioning, build_duplicate_type): Likewise.
12528 (copy_body_r): Likewise. Export.
12529 (copy_decl_for_dup): Split into ...
12530 (copy_decl_for_dup_finish, copy_decl_to_var,
12531 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12532 (replace_ref_tree, inlining_p): Remove.
12534 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12536 * ifcvt.c (if_convert): Make it static.
12537 * rtl.h: Remove the prototype for if_convert.
12539 * local-alloc.c (local_alloc): Make it static.
12540 * rtl.h: Remove the prototype for local_alloc.
12542 * loop.c (loop_optimize): Make it static.
12543 * cfgloop.h: Remove the prototype for loop_optimize.
12546 2006-01-16 DJ Delorie <dj@redhat.com>
12548 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12551 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12553 * pa.md: Disparage copies between general and floating-point registers
12554 in 32-bit move patterns.
12556 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12559 * Makefile.in (check-%): Depend on site.exp instead of
12560 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12563 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12565 * global.c (global_alloc): Make it static.
12566 * rtl.h: Remove the prototype for global_alloc.
12568 2006-01-16 Richard Guenther <rguenther@suse.de>
12570 * tree-ssa-alias.c (struct used_part): Add write_only field.
12571 (get_or_create_used_part_for): Initialize it to true.
12572 (create_overlap_variables_for): Don't create structure variables
12573 for structures that only are written to.
12574 (find_used_portions): Handle MODIFY_EXPR to track whether a
12575 structure is only written to.
12577 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12579 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12581 * basic-block.h: Remove the prototype for
12582 partition_hot_cold_basic_blocks.
12584 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12586 * cppspec.c (lang_specific_spec_functions): Remove.
12587 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12588 * gcc.h (lang_specific_spec_functions): Remove.
12589 * gccspec.c (lang_specific_spec_functions): Remove.
12591 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12593 * combine.c (record_value_for_reg): Invalidate registers
12595 (record_dead_and_set_regs_1): Likewise, by passing them to
12596 record_value_for_reg.
12597 (record_dead_and_set_regs): Invalidate stores made by a
12598 call. We do not combine across a call, but we still
12599 relied on equivalences.
12601 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12603 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12604 vrp_int_const_binop returning non-constant nodes.
12606 2006-01-16 Paul Brook <paul@codesourcery.com>
12608 * config/m68k/m68k.c (output_move_const_into_data_reg):
12609 Output correct mnemonic for mvz and mvs.
12611 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12613 * rtl-factoring.c: Add sequence abstraction algorithm.
12614 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12615 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12617 (block_has_preserve_label): New function.
12618 * common.opt: Register new pass.
12619 * Makefile.in: Ditto.
12621 * timevar.def: Ditto.
12622 * tree-pass.h: Ditto.
12623 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12624 * rtl.h (make_jump_insn_raw): Add forward decl.
12625 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12627 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12628 Roger Sayle <roger@eyesopen.com>
12630 * fold-const.c (fold_minmax): New static function.
12631 (fold_binary) <MIN_EXPR>: Call it.
12632 <MAX_EXPR>: Likewise.
12633 * stor-layout.c (place_field): Use DECL_SIZE consistently
12634 in the computation of the new record size.
12636 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12638 * cse.c (cse_condition_code_reg): Make it static.
12639 * rtl.h: Remove the prototype for cse_condition_code_reg.
12641 * combine.c (combine_instructions): Make it static.
12642 * rtl.h: Remove the prototype for combine_instructions.
12644 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12647 * tree.c (get_file_function_name_long): Concatenate the first global
12648 object name with a string derived from the input filename of the object
12651 2006-01-16 Ben Elliston <bje@au.ibm.com>
12653 * config/i386/winnt-stubs.c: Update FSF address.
12654 * config/xtensa/ieee754-df.S: Ditto.
12655 * config/xtensa/ieee754-sf.S: Ditto.
12657 2006-01-14 Ian Lance Taylor <ian@airs.com>
12659 * ifcvt.c (noce_init_if_info): New static function, broken out of
12660 noce_process_if_block.
12661 (noce_process_if_block): Call noce_init_if_info.
12662 (check_cond_move_block): New static function.
12663 (cond_move_process_if_block): New static function.
12664 (process_if_block): Call cond_move_process_if_block.
12666 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12668 * cselib.c (hash_table): Rename to cselib_hash_table.
12669 (cselib_clear_table, discard_useless_values,
12670 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12671 cselib_init, cselib_finish): Adjust uses of hash_table.
12673 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12675 PR tree-optimization/25485
12676 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12677 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12678 is known to be false and true, respectively.
12680 2006-01-14 Richard Guenther <rguenther@suse.de>
12682 PR tree-optimization/22548
12683 PR tree-optimization/22555
12684 PR tree-optimization/22501
12685 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12686 * params.def (salias-max-array-elements): New parameter.
12687 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12688 * doc/invoke.texi (salias-max-array-elements): Document.
12689 * tree-flow-inline.h (var_can_have_subvars): We also handle
12691 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12693 * tree-ssa-structalias.c (params.h): Include.
12694 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12695 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12696 (get_constraint_for): For ADDR_EXPR operating on something
12697 containing an ARRAY_REF, add all subvars to the solution.
12698 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12699 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12700 for creating MUST_DEFs.
12701 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12703 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12705 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12707 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12708 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12709 number_of_iterations_le): New functions.
12710 (number_of_iterations_special): Removed.
12711 (number_of_iterations_exit): Do not use number_of_iterations_special.
12712 * tree.c (unsigned_type_for): Always return integer type.
12714 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12715 Richard Guenther <rguenther@suse.de>
12717 PR rtl-optimization/24257
12718 * gcse.c (find_moveable_store): Only consider a store movable
12719 when the SET_SRC of the insn can be assigned to a register.
12721 2006-01-14 Ian Lance Taylor <ian@airs.com>
12723 * tree.c (tree_not_class_check_failed): New function.
12724 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12725 (tree_not_class_check_failed): Declare.
12727 2006-01-13 Ian Lance Taylor <ian@airs.com>
12729 * reload1.c (do_output_reload): Add assertion rejecting a
12732 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12734 * combine.c (struct reg_stat): Add new fields truncation_label and
12736 (record_value_for_reg): Reset truncated_to_mode.
12737 (record_truncated_value): New function.
12738 (check_promoted_subreg): Call it. Rename to check_conversions.
12739 (combine_instructions): Rename check_promoted_subreg to
12741 (reg_truncated_to_mode): New function.
12742 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12743 (gen_lowpart_or_truncate): New function.
12744 (force_to_mode): Use it instead of gen_lowpart.
12746 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12748 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12749 VAR is a tag, not its type tag.
12751 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12753 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12754 alternatives to match style of other entries.
12755 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12757 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12759 PR tree-optimization/25771
12760 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12763 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12766 * tree-inline.c (declare_return_variable): If the return variable
12767 was marked as a non gimple complex, set the return slot variable
12768 to be a non gimple comple variable.
12770 2006-01-13 Richard Guenther <rguenther@suse.de>
12772 * builtins.c (expand_builtin_sincos): New function.
12773 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12775 (expand_builtin): Expand sincos using expand_builtin_sincos.
12777 2006-01-12 DJ Delorie <dj@redhat.com>
12779 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12780 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12781 so that constant shifts can be split.
12782 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12783 (m32c_valid_pointer_mode): Make static.
12784 (shift_gen_func_for): New.
12785 (m32c_prepare_shift): Use it. Split large const shifts into
12787 * config/m32c/predicates.md (shiftcount_operand): Allow more
12789 (longshiftcount_operand): New.
12790 * doc/md.texi (Machine Constraints): Document In6.
12792 2006-01-13 Ben Elliston <bje@au.ibm.com>
12794 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12795 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12798 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12800 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12801 to try to avoid clobbering pieces of structures when we know
12802 something about the whole structure.
12803 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12805 2006-01-13 Ben Elliston <bje@au.ibm.com>
12807 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12808 return in memory, as this is no limitation is no longer present.
12810 2006-01-12 DJ Delorie <dj@redhat.com>
12812 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12813 mova with fb, and for fb+0 -> An.
12815 * config/m32c/mov.md (peephole2): Fix enabling logic.
12817 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12818 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12819 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12820 FINI_ARRAY_SECTION_ASM_OP): Define.
12822 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12824 (m32c_legitimize_reload_address): New logic to reload FB to An.
12825 (m32c_output_reg_push): Add newline.
12826 (m32c_output_reg_pop): Likewise.
12828 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12830 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12832 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12834 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12836 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12838 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12841 2006-01-11 Ben Elliston <bje@au.ibm.com>
12843 * rtlanal.c (find_reg_note): Assert insn is not null.
12845 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12847 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12850 2006-01-11 Jeff Law <law@redhat.com>
12852 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12854 (mark_threaded_blocks, register_jump_thread): New functions.
12855 (thread_through_all_blocks): Remove unwanted argument. No
12856 longer rely on e->aux to communicate thread target info.
12857 Call mark_threaded_blocks. Release the threaded_blocks
12858 bitmap and threaded_edges vector when complete.
12859 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12860 (threaded_blocks): Remove.
12861 (tree_ssa_dominator_optimize): Remove initialization and
12862 finalization of threaded_blocks. Simplify call to
12863 thread_through_all_blocks.
12864 (thread_across_edge): Call register_jump_thread rather than
12865 storing thread information into e->aux.
12866 (free_all_edge_infos): Simplify now that e->aux is no longer
12867 used to communicate with thread_through_all_blocks.
12868 * tree-flow.h (thread_through_all_blocks): Update prototype.
12869 (register_jump_thread): Prototype.
12871 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12873 * df-core.c (df_compact_blocks, df_bb_replace): Use
12874 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12876 2006-01-11 Richard Guenther <rguenther@suse.de>
12878 PR tree-optimization/25734
12879 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12880 stop propagation after successful propagation to the LHS.
12882 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12884 * basic-block.h (control_flow_graph): Change the type of
12885 x_basic_block_info to VEC(basic_block,gc) *.
12886 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12888 (SET_BASIC_BLOCK): New.
12889 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12890 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12891 * cfgbuild.c (find_basic_blocks): Likewise.
12892 * cfglayout.c (fixup_reorder_chain): Likewise.
12893 * cfgrtl.c (create_basic_block_structure,
12894 rtl_create_basic_block): Likewise.
12895 * ifcvt.c (find_if_case_1): Likewise.
12896 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12899 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12901 * Makefile.in: Removed rotted odf.c entry.
12903 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12906 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12907 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12908 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12909 output pattern modifier, not %e.
12910 * config/cris/cris.c (cris_op_str): Update comment about pattern
12912 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12913 before falling through into...
12914 <case 'E'>: Redefined from old 'e' case.
12916 2006-01-11 Jan Hubicka <jh@suse.cz>
12919 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12921 2006-01-11 Jan Hubicka <jh@suse.cz>
12923 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12924 * i386.c (x86_decompose_lea): Kill.
12925 (ix86_rtx_costs): Kill.
12927 2006-01-11 Jan Hubicka <jh@suse.cz>
12929 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12930 * cgraph.h (cgraph_node): Add inline_decl.
12931 (cgraph_insert_node_to_hashtable): Declare.
12932 (save_inline_function_body): Declare.
12933 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12935 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12936 (cgraph_function_versioning): Update call of tree_function_versioning.
12937 (save_inline_function_body): New function.
12938 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12939 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12940 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12941 (cgraph_default_inline_p): Likewise.
12942 (cgraph_decide_inlining_incrementally): Likewise.
12943 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12944 (copy_bb): Kill saving; do updating of clones.
12945 (copy_cfg_body): Kill saving.
12946 (initialize_inlined-parameters): Likewise.
12947 (expand_call_inline): Likewise.
12949 (tree_function_versioning): New parameter "update_clones".
12950 (inlining_p): Kill saving.
12951 * tree-inline.h (tree_function_versioning): Update prototype.
12952 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12955 2006-01-11 Ian Lance Taylor <ian@airs.com>
12957 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12958 Allow undoing set of machine mode.
12959 (do_SUBST): Use enums instead of is_int.
12960 (do_SUBST_MODE): New function.
12961 (SUBST_MODE): New macro.
12962 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12963 reg and trying to replace reg_regno_rtx with a new register.
12964 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12965 (simplify_set): Use SUBST_MODE.
12966 (distribute_notes): Remove code that tried to update reg notes
12967 for regno_reg_rtx changes.
12969 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12971 PR tree-optimization/23109
12972 PR tree-optimization/23948
12973 PR tree-optimization/24123
12975 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12976 * tree-cfg.c (single_noncomplex_succ): New.
12977 * tree-flow.h (single_noncomplex_succ): Declare it.
12978 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12979 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12980 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12981 insert_bb, register_division_in, insert_reciprocals,
12982 replace_reciprocal, free_bb): New.
12983 (execute_cse_reciprocals_1): Rewritten.
12984 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12985 Do not commit any edge insertion. Always compute dominators and
12986 create the allocation pool.
12987 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12988 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12989 * targhooks.c (default_min_divistions_for_recip_mul): New.
12990 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12991 * passes.c (init_optimization_passes): Run recip after tree loop
12993 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12995 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12996 Kenneth Zadeck <zadeck@naturalbridge.com>
12998 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12999 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13000 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13001 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13002 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13003 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13004 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13005 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13006 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13007 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13008 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13009 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13010 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13011 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13012 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13013 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13014 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13015 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13016 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13017 DF_SCAN_POST_ALLOC): New macros.
13018 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13019 df_free_bb_function, df_local_compute_function, df_init_function,
13020 df_dataflow_function, df_confluence_function_0,
13021 df_confluence_function_n, df_transfer_function,
13022 df_finalizer_function, df_free_function, df_dump_problem_function,
13023 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13024 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13025 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13026 df_urec_bb_info, ) New types.
13027 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13029 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13030 df_analyze_simple_change_some_blocks,
13031 df_analyze_simple_change_one_block, df_compact_blocks,
13032 df_bb_replace, df_bb_regno_last_use_find,
13033 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13034 df_insn_regno_def_p, df_find_def, df_find_use,
13035 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13036 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13037 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13038 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13039 debug_df_chain, df_get_dependent_problem, df_chain_create,
13040 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13041 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13042 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13043 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13044 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13045 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13046 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13047 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13048 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13049 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13050 df_reorganize_refs, df_set_state, df_hard_reg_init,
13051 df_read_modify_subreg_p) New public functions.
13052 * df-core.c: The core dataflow solver and glue routines for rtl
13054 (df_init, df_add_problem, df_set_blocks, df_finish,
13055 df_hybrid_search_forward, df_hybrid_search_backward,
13056 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13057 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13058 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13059 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13060 df_reg_defined, df_find_use, df_reg_used, df_dump,
13061 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13062 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13063 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13064 debug_df_useno, reset_df_after_reload): New functions.
13065 * df-scan.c: The scanning fuctions, once in df.c, completely
13066 rewritten so that they now fully model the functionality of
13067 register usage at the backend.
13068 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13069 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13070 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13071 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13072 df_get_artificial_defs, df_get_artificial_uses,
13073 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13074 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13075 df_refs_delete, df_reorganize_refs, df_set_state,
13076 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13077 df_def_record_1, df_defs_record, df_uses_record,
13078 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13079 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13080 df_record_exit_block_uses, df_hard_reg_init): New functions.
13082 * df-problems.c: Seven concrete dataflow problems that use the
13083 scanning in df-scan.c and are solved by the engine in df-core.c.
13084 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13085 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13086 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13087 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13088 df_ru_free_bb_info, df_ru_alloc,
13089 df_ru_bb_local_compute_process_def,
13090 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13091 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13092 df_ru_transfer_function, df_ru_free, df_ru_dump,
13093 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13094 df_rd_free_bb_info, df_rd_alloc,
13095 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13096 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13097 df_rd_transfer_function, df_rd_free, df_rd_dump,
13098 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13099 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13100 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13101 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13102 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13103 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13104 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13105 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13106 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13107 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13108 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13109 df_urec_mark_reg_use_for_earlyclobber,
13110 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13111 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13112 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13113 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13114 df_chain_create_bb_process_use, df_chain_create_bb,
13115 df_chain_finalize, df_chain_free, df_chains_dump,
13116 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13117 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13118 df_reg_lifetime): New functions.
13119 * df.c: Deleted file.
13120 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13121 consistent with new df api.
13122 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13123 rest_of_handle_sms): Ditto.
13124 * web.c (unionfind_union, union_defs, entry_register, web_main):
13126 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13127 invariant_expr_equal_p, find_defs, check_dependencies,
13128 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13129 free_inv_motion_data, move_loop_invariants): Ditto.
13130 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13131 Update dependencies.
13132 (odf.c): Added defective entry that was deleted later in day.
13133 * sched-deps.c (sched_analyze_1): Ditto.
13135 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13137 * tree-ssa-operands.c (get_expr_operands): Record addressable
13138 variables directly. Do not call add_stmt_operands for CONST_DECLs
13140 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13141 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13143 2006-01-11 Ben Elliston <bje@au.ibm.com>
13145 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13146 function returns true in the positive case.
13148 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13151 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13152 for SI, DI, SF and DF modes. Add alternatives to copy between
13153 general and floating point registers to the 32-bit patterns.
13154 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13155 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13156 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13157 generating 64-bit code.
13158 * config/pa/pa.c (output_move_double): Handle copies between general
13159 and floating registers.
13161 2006-01-10 Stuart Hastings <stuart@apple.com>
13163 * config/i386/i386.md (set_got): Update.
13164 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13165 (builtin_setjmp_receiver): Mach-O support.
13166 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13167 (GOT_SYMBOL_NAME): Define.
13168 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13169 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13170 * config/i386/i386.c (override_options): Revise for Darwin.
13171 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13172 support. (darwin_x86_file_end): New. (output_set_got): Add label
13173 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13174 * config/i386/i386-protos.h (output_set_got): Likewise.
13175 * config/darwin.c (machopic_legitimize_pic_address): Update
13178 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13180 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13181 when MODE isn't BLKmode.
13183 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13185 PR rtl-optimization/25367
13186 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13188 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13191 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13192 for a negative bound.
13194 2006-01-10 Richard Guenther <rguenther@suse.de>
13196 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13197 Never override with anything constraint.
13199 2006-01-10 Jan Beulich <jbeulich@novell.com>
13201 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13202 256 bits when optimize_size.
13204 2006-01-10 Jan Beulich <jbeulich@novell.com>
13206 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13208 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13209 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13212 2006-01-10 Ben Elliston <bje@au.ibm.com>
13214 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13216 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13217 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13218 (USE_FP_FOR_ARG): Reject decimal float modes.
13219 (function_arg_advance): Likewise.
13220 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13221 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13222 point types in AltiVec vectors.
13223 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13224 (rs6000_libcall_value): Likewise.
13226 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13228 * config/xtensa/ieee754-df.S: New file.
13229 * config/xtensa/ieee754-sf.S: New file.
13230 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13231 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13232 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13234 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13236 * config/sh/predicates.md (binary_float_operator,
13237 binary_logical_operator, commutative_float_operator,
13238 equality_comparison_operator, greater_comparison_operator,
13239 less_comparison_operator, logical_operator,
13240 noncommutative_float_operator, shift_operator,
13241 symbol_ref_operand, unary_float_operator): Remove redundant
13244 2006-01-09 Jeff Law <law@redhat.com>
13246 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13247 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13248 now unused arguments. Callers updated.
13249 (eliminate_redundant_computations): Remove now unused arguments,
13251 (local_fold): Remove, no longer used.
13252 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13254 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13255 (simplify_cond): New function.
13256 (forward_propagate_into_cond): Call simplify_cond.
13258 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13260 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13261 (*vec_extractv2di_1_sse): New.
13263 2006-01-09 Ben Elliston <bje@au.ibm.com>
13265 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13267 2006-01-08 Richard Guenther <rguenther@suse.de>
13269 * tree-ssa-structalias.c (get_constraint_for): Remove
13270 anyoffset argument.
13271 (get_constraint_for_component_ref): Likewise.
13272 (do_deref): Likewise.
13273 (get_constraint_for): Likewise.
13274 (do_structure_copy): Likewise.
13275 (handle_ptr_arith): Likewise.
13276 (find_func_aliases): Likewise. Remove unused need_anyoffset
13279 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13280 Kaz Kojima <kkojima@gcc.gnu.org>
13282 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13283 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13284 (EXTRA_CONSTRAINT_C16): Remove.
13285 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13286 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13287 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13288 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13289 constants of SHmedia. Handle nested constant expressions of
13291 (andcosts): Fix the costs for SHmedia constants.
13292 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13293 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13294 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13295 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13296 (movv4hi_i, movv2si_i): Likewise.
13297 (movsi_const): Adjust the second operand of ior so to match with
13298 the Csu constraint.
13299 (movdi_const, movdi_const_32bit): Likewise.
13300 (movdi_const_16bit+1): Don't sign-extend LOW.
13301 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13303 (*double_shori): Fix the split condition. Use GEN_INT instead
13304 of get_int_mode calls. Mask lower 16-bit of the argument of
13306 (sym2GOTPLT): Remove.
13307 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13309 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13310 instead of EXTRA_CONSTRAINT_C16.
13312 2006-01-07 Ian Lance Taylor <ian@airs.com>
13313 David Edelsohn <edelsohn@gnu.org>
13315 PR rtl-optimization/25662
13316 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13317 for constant operands instead of simplify_gen_binary.
13318 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13319 after trying simplify_binary_operation
13321 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13323 * tree.c (iterative_hash_expr): Hash decls based on UID.
13325 2006-01-06 Eric Christopher <echristo@apple.com>
13327 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13328 (TARGET_UNWIND_EMIT): Fix spelling.
13329 * target.h (gcc_target): Add except_table_label.
13330 * except.c (output_function_exception_table): Use.
13331 * varasm.c (default_emit_except_table_label): New.
13332 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13334 (asm_out): Add here.
13335 * output.h (default_emit_except_table_label): Prototype.
13336 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13337 * config/darwin.c (darwin_emit_except_table_label): Define.
13338 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13340 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13342 PR tree-optimization/18527
13343 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13344 number_of_iterations_special, number_of_iterations_exit):
13345 Move base and step of an iv to a single structure. Add
13346 no_overflow flag, and use it in # of iterations analysis.
13347 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13348 folded_casts argument.
13349 (simple_iv): Pass base and step in a structure. Set no_overflow
13351 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13352 Evaluate expensiveness of computing # of iterations instead of
13353 the final expression.
13354 * tree-scalar-evolution.h (affine_iv): New structure.
13355 (simple_iv): Declaration changed.
13356 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13357 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13358 find_givs_in_stmt): Changed due to simple_iv change.
13360 2006-01-06 Jeff Law <law@redhat.com>
13363 * tree-cfg.c (bsi_replace): Rename final argument from
13364 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13365 change (stmt -> orig_stmt).
13366 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13367 (bsi_remove): Add new argument. Remove EH information
13369 (verify_eh_throw_table_statements): New function.
13370 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13372 * tree-optimize.c (execute_free_cfg_annotations): Verify
13373 the EH throw statement table after removing annotations.
13374 * except.h (verify_eh_throw_table_statements): Prototype.
13375 * tree-flow.h (bsi_remove): Update prototype.
13376 * tree-vrp.c (remove_range_assertions): Add new argument to
13378 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13379 * tree-complex.c (expand_complex_div_wide): Likewise.
13380 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13381 * tree-tailcall.c (eliminate_tailcall): Likewise.
13382 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13383 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13384 * tree-nrv.c (tree_nrv): Likewise.
13385 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13386 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13387 (combine_blocks): Likewise.
13388 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13389 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13390 (cleanup_control_flow): Likewise.
13391 (remove_forwarder_block): Likewise.
13392 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13393 * tree-sra.c (sra_replace): Likewise.
13394 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13395 (forward_propagate_single_use_vars): Likewise.
13396 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13397 * tree-inline.c (expand_call_inline): Likewise.
13398 * tree-vect-transform.c (vect_transform_loop): Likewise.
13399 * tree-outof-ssa.c (rewrite_trees): Likewise.
13400 * tree-cfg.c (make_goto_expr_edges): Likewise.
13401 (cleanup_dead_labels): Likewise.
13402 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13403 (bsi_move_before, bsi_move_after): Likewise.
13404 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13405 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13407 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13410 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13412 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13413 on non gimple variables. Also add checks at the top for decls and
13415 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13417 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13418 and IMAGPART_EXPR for creating MUST_DEFs.
13419 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13420 and NAME_MEMORY_TAG separately from the DECLs.
13422 2006-01-06 Richard Guenther <rguenther@suse.de>
13424 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13425 annotation, if necessary.
13426 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13427 redundant calls to update_stmt.
13428 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13431 2006-01-05 Richard Henderson <rth@redhat.com>
13433 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13435 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13437 * c-typeck.c: Update copyright date.
13439 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13441 * c-typeck.c (build_c_cast): Always warn when casting
13442 from a pointer to an integer of different size, even if
13443 the node was constant.
13445 2006-01-05 Richard Guenther <rguenther@suse.de>
13447 PR tree-optimization/22555
13448 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13449 if one structure field is an array.
13450 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13451 operands even if we found a subvar, but ignore VOPs in this
13453 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13455 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13457 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13459 PR middle-end/24998
13460 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13462 2006-01-05 Richard Guenther <rguenther@suse.de>
13463 Diego Novillo <dnovillo@redhat.com>
13465 * tree-pass.h (TODO_remove_unused_locals): Define.
13466 * gimple-low.c (expand_var_p, remove_useless_vars,
13467 pass_remove_useless_vars): Remove. Update all users.
13468 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13469 (remove_unused_locals): New function.
13470 * tree-flow.h (remove_unused_locals): Declare.
13471 * passes.c (execute_todo): Call remove_unused_locals if
13472 TODO_remove_unused_locals is set.
13473 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13474 * tree-ssa-dce.c (pass_dce): Likewise.
13475 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13477 2006-01-05 Richard Guenther <rguenther@suse.de>
13479 * tree-flow.h (struct fieldoff): Decompose field to
13480 type, size and decl.
13481 * tree-ssa-alias.c (create_sft): Take type as parameter.
13482 (create_overlap_variables_for): Store type, size and decl
13483 in the fieldoff structure.
13484 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13485 of struct fieldoff.
13486 (push_fields_onto_fieldstack): Likewise.
13487 (create_variable_info_for): Likewise. Use offset for the
13488 SFT name if the decl is not available.
13490 2006-01-04 Paul Brook <paul@codesourcery.com>
13492 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13494 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13496 * lambda-code.c (can_put_in_inner_loop): Relax
13498 (can_put_after_inner_loop): New function.
13499 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13500 (perfect_nestify): Change to make copies and modify uses.
13502 2006-01-04 Richard Henderson <rth@redhat.com>
13504 Merge from gomp branch:
13505 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13506 via integer constant.
13507 (pragma_lex): Remove.
13508 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13509 rather than parsing it.
13510 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13511 handle_pragma_extern_prefix): Add %< %> quotes.
13512 (registered_pragmas): New.
13513 (c_register_pragma_1): New.
13514 (c_register_pragma): Use it.
13515 (c_register_pragma_with_expansion): Likewise.
13516 (c_invoke_pragma_handler): New.
13517 (init_pragma): Use cpp_register_deferred_pragma directly for
13519 * c-pragma.h (enum pragma_kind): New.
13520 (pragma_handler): New.
13521 (c_invoke_pragma_handler): Declare.
13522 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13524 * c-common.h (c_common_pch_pragma): Update decl.
13525 * Makefile.in (c-parser.o): Update dependencies.
13526 (GTFILES): Add c-pragma.h.
13527 * c-parser.c (struct c_token): Add pragma_kind.
13528 (struct c_parser): Add in_pragma.
13529 (c_lex_one_token): Always initialize keyword and pragma_kind.
13530 Extract data for CPP_PRAGMA.
13531 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13532 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13533 Don't allow CPP_PRAGMA_EOL if in_pragma.
13534 (c_parser_consume_pragma): New.
13535 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13536 (c_parser_skip_to_end_of_parameter): Likewise.
13537 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13538 (c_parser_skip_to_pragma_eol): New.
13539 (c_parser_external_declaration): Handle CPP_PRAGMA.
13540 (c_parser_compound_statement_nostart): Likewise.
13541 (c_parser_statement_after_labels): Likewise.
13542 (c_parser_pragma): New.
13543 (pragma_lex): Likewise.
13544 (c_parser_pragma_pch_preprocess): New.
13545 (c_parser_new): Merge into ...
13546 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13548 2006-01-04 Jeff Law <law@redhat.com>
13551 * tree-cfg.c (bsi_replace): Remove the original statement
13552 from the EH throw statement table.
13554 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13556 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13557 make the prototype extern "C" and add throw ().
13560 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13561 and pos non-negative and pos + len <= 32.
13562 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13563 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13564 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13567 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13568 as well as sizes not multiple of component size.
13571 * function.c (instantiate_expr): New function.
13572 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13573 walk its DECL_VALUE_EXPR with instantiate_expr.
13575 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13576 DW_OP_deref{,_size} if address isn't going to be added.
13578 2006-01-04 Ben Elliston <bje@au.ibm.com>
13580 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13581 * config/fp-bit.c: Likewise.
13583 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13585 * dominance.c: Add comment about why we use DFS numbering
13588 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13589 Richard Henderson <rth@redhat.com>
13591 Merge from gomp-branch:
13592 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13593 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13595 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13597 PR rtl-optimization/25578
13598 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13599 pass a parameter to simplify_shift_const if changing ASHIFTRT
13602 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13604 * builtins.c (get_builtin_sync_mem): New function.
13605 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13606 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13607 Call get_builtin_sync_mem to generate mem rtx.
13609 2006-01-03 Richard Guenther <rguenther@suse.de>
13612 * stmt.c (add_case_node): Make sure to clear overflow flags
13615 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13617 Merge from gomp-branch.
13618 * config/sparc/sync.md: New file.
13619 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13620 UNSPECV_LDSTUB): New constants.
13621 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13622 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13623 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13626 2006-01-03 Roger Sayle <roger@eyesopen.com>
13628 * combine.c (reg_subword_p): New predicate to test whether the
13629 destination of a set refers to a subword/piece of a register.
13630 (try_combine): Generalize the code to merge the setting of a
13631 pseudo to a constant followed by a set of a subword of that
13632 register to a constant.
13634 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13636 * basic-block.h (control_flow_graph): Change the type of
13637 x_label_to_block_map to VEC(basic_block,gc) *.
13638 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13639 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13641 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13642 VEC(basic_block,heap) *.
13643 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13644 ssa_prop_fini): Adjust the uses of cfg_blocks.
13646 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13648 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13650 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13651 hashing trees instead of a pointer hash.
13652 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13653 compare for MEM_EXPR.
13655 PR rtl-optimization/25130
13656 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13657 when comparing MEMs for GCSE
13659 2006-01-03 Ben Elliston <bje@au.ibm.com>
13661 * targhooks.h (default_decimal_float_supported_p): Declare.
13662 * targhooks.c (default_decimal_float_supported_p): Define.
13663 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13664 `default_decimal_float_supported_p'.
13665 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13667 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13669 * combine.c (apply_distributive_law <SUBREG>): Check
13670 TRULY_NOOP_TRUNCATION.
13672 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13674 * dwarf2out.c (have_switched_text_section): Delete.
13675 (have_multiple_function_sections): New.
13676 (have_location_lists): Make 'bool'.
13677 (add_AT_loc_list): Use 'true' not '1'.
13678 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13679 (output_loc_list): Use have_multiple_function_sections.
13680 (output_ranges): Likewise.
13681 (dwarf2out_begin_function): Set have_multiple_function_sections if
13683 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13684 Check function_section rather than DECL_SECTION_NAME.
13685 (dwarf2out_finish): Use have_multiple_function_sections.
13686 Don't clear have_location_lists.
13688 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13689 Jan Hubicka <jh@suse.cz>
13691 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13692 case of conditional jump jumping to the next instruction.
13693 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13694 cases of conditional jump jumping to the next instruction.
13696 2006-01-02 Jan Hubicka <jh@suse.cz>
13698 * i386.c (*_cost): Add COSTS_N_INSNS.
13699 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13701 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13704 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13706 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13708 * config/arm/arm.c (all_fpus): Fix comment typo.
13709 * config/darwin.c: Likewise.
13710 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13711 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13712 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13714 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13716 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13717 (rs6000_split_compare_and_swapqhi): New.
13718 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13719 (sync_compare_and_swapqhi_internal): New.
13720 * config/rs6000/rs6000-protos.h: Declare.
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