1 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4 * varasm.c (output_constant): Give the front end another chance to
5 expand constants, after stripping NOPs.
7 2006-08-03 Jan Hubicka <jh@suse.cz>
9 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
12 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
14 PR tree-optimization/27770
15 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
16 declaration removed (moved to tree-flow.h).
17 (vect_can_force_dr_alignment_p): Likewise.
18 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
19 (moved from tree-vectorizer.h).
20 (vect_can_force_dr_alignment_p): Likewise.
21 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
22 from outside the vectorizer - in particular from cgraph stage.
23 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
24 the alignment of global arrays when -fsection-anchors is enabled.
25 * cgraphunit.c (cgraph_increase_alignment): New function.
26 (cgraph_optimize): Call cgraph_increase_alignment.
28 2006-08-03 David Edelsohn <edelsohn@gnu.org>
31 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
32 not reload a SPE symbol_ref into a lo_sum address.
34 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
37 * dwarf2out.c (prune_unused_types_prune): Move call to
38 prune_unused_types_update_strings to cover the parent DIE also.
40 2006-08-02 Jan Hubicka <jh@suse.cz>
43 * tree-cfg.c (change_bb_for_stmt): New function.
44 (tree_merge_blocks, tree_split_blocks): Use it.
46 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
52 * toplev.c (compile_file): Return early on errorcount or sorrycount.
53 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
54 (cgraph_optimize): Likewise.
56 2006-08-01 Stuart Hastings <stuart@apple.com>
58 * rtl.h (UINTVAL) New.
59 * config/rs6000/rs6000.c (SMALL_INT) Use it.
60 * testsuite/gcc.dg/20060801-1.c: New.
62 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
65 * c-typeck.c (build_external_type): Mark used enum types.
66 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
68 (gen_subprogram_die): Whitespace fix.
70 2006-08-01 Jan Hubicka <jh@suse.cz>
72 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
73 bitmap when not needed.
74 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
77 2006-08-01 Dirk Mueller <dmueller@suse.de>
79 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
81 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
83 * Makefile.in: Revert part of previous patch:
84 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
87 2006-07-30 Eric Christopher <echristo@apple.com>
90 * doc/extend.texi (i386 Variable Attributes): Add anchor.
91 (PowerPC Variable Attributes): New section.
93 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
95 PR target/28126 (partial fix)
96 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
98 2006-07-28 Jan Hubicka <jh@suse.cz>
100 PR rtl-optimization/28071
101 * cfgrtl.c (rtl_delete_block): Free regsets.
102 * flow.c (allocate_bb_life_data): Re-use regsets if available.
104 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
106 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
107 and variables used in dependencies.
109 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
111 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
112 %fs for -mcmodel=kernel.
113 (stack_tls_protect_test_di): Likewise.
115 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
117 * Makefile.in: Use mkinstalldirs.
119 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
122 * opts-common.c (prune_options): Skip joined switches.
124 2006-07-27 Jan Hubicka <jh@suse.cz>
126 PR rtl-optimization/28071
127 * cselib.c (cselib_process_insn): Don't remove useless values too
128 often for very large hashtables.
130 2006-07-27 Jan Hubicka <jh@suse.cz>
132 PR rtl-optimization/28071
133 * global.c (greg_obstack): New obstack.
134 (allocate_bb_info): Use it.
135 (free_bb_info): Likewise.
136 (modify_reg_pav): Likewise.
138 2006-07-27 Roger Sayle <roger@eyesopen.com>
140 * builtins.c (fold_fixed_mathfn): When long and long long are the
141 same size, canonicalize llceil*, llfloor*, llround* and llrint*
142 functions to their lceil*, lfloor*, lround* and lrint* forms.
144 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
147 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
149 (rev_branch_insn): Likewise.
151 2006-07-27 Jan Hubicka <jh@suse.cz>
153 PR rtl-optimization/28071
154 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
155 (reg_set_in_bb, max_reg_computed): New static variables.
156 (regmove_optimize): Free the new array.
157 (fixup_match_1): Update call of reg_is_remote_constant_p.
159 2006-07-26 Jan Hubicka <jh@suse.cz>
161 PR tree-optimization/27882
162 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
164 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
166 (cgraph_analyze_compilation_unit): Likewise.
167 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
168 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
169 (cgraph_early_inlinine): Make order garbage collected.
170 * Makefile.in (gt-ipa-inline): New garbagecollected file.
172 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
174 * dbxout.c (output_types_sort): Add a comment.
175 (output_used_types): Free the VEC.
177 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
179 * function.c (reorder_fix_fragments): Delete.
180 (reorder_blocks): Don't call it.
181 (reorder_blocks_1): Put all subblocks under the origin block.
183 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
185 PR rtl-optimization/27907
186 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
189 2006-07-25 Roger Sayle <roger@eyesopen.com>
192 * convert.c (convert_to_integer): When transforming (T)foo(x) into
193 bar(x) check that bar's result type can represent all the values of T.
195 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
197 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
199 2006-07-25 Nick Clifton <nickc@redhat.com>
201 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
203 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
204 (ggc_pch_count_object): Likewise.
205 (ggc_pch_alloc_object): Likewise.
206 (ggc_pch_write_object): Likewise.
207 (init_ggc): Do not attempt to initialize entries in the
208 size_lookup[] array for objects whose size is greater than than
209 the length of the array.
211 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
213 * dbxout.c (output_used_types_helper): Push queued types
215 (output_types_sort): New.
216 (output_used_types): Collect used types on a VEC and sort them
219 2006-07-24 Richard Guenther <rguenther@suse.de>
222 * cgraph.c (cgraph_remove_node): Do not check if dumps
224 * cgraphunit.c (cgraph_optimize): Likewise.
226 2006-07-24 Jan Hubicka <jh@suse.cz>
228 PR rtl-optimization/28071
229 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
230 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
231 splitting before first stmt.
233 2006-07-24 Jan Hubicka <jh@suse.cz>
235 PR rtl-optimization/28071
236 * ipa-inline.c (update_caller_keys): Remove edges that
237 are no longer inline candidates.
239 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
242 * dbxout.c (output_used_types_helper, output_used_types): New.
243 (dbxout_symbol): Call output_used_types.
245 2006-07-23 Jan Hubicka <jh@suse.cz>
249 * cgraph.c (cgraph_varpool_nodes): Export.
250 (decide_is_variable_needed): Ignored "used" attribute in
252 * cgraph.h (cgraph_varpool_nodes): Declare.
253 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
256 2006-07-23 Roger Sayle <roger@eyesopen.com>
259 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
260 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
261 the __gthrw form of thr_keycreate.
262 (__gthread_key_delete): Silence the unused argument warning.
264 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
267 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
268 Cache the last found '\0' marker to avoid quadratic behavior.
270 2006-07-23 Jan Hubicka <jh@suse.cz>
272 * i386.md (subsi_3_zext): Fix output template.
274 2006-07-21 Mike Stump <mrs@apple.com>
276 * doc/invoke.texi (C++ Dialect Options): Note that
277 -fvisibility-inlines-hidden doesn't affect explicitly
278 instantiationed inline methods.
280 2006-07-20 Roger Sayle <roger@eyesopen.com>
282 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
283 if the target assembler is GNU binutils' gas.
284 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
285 whether to pass GNU gas or native as command line options.
287 2006-07-20 Jason Merrill <jason@redhat.com>
289 * tree.c (remove_attribute): New fn.
290 * tree.h: Declare it.
292 2006-07-20 Paul Brook <paul@codesourcery.com>
295 * cse.c (cse_insn): Add destination addresses to hash table. Check if
296 they are invalidated by this instruction.
298 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
301 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
303 2006-07-20 Eric Christopher <echristo@apple.com>
306 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
308 2006-07-19 Eric Christopher <echristo@apple.com>
310 * config/t-slibgcc-darwin (stmp-lipo): Remove.
311 Rewrite dependencies for libgcc_s.1.dylib.
313 2006-07-19 Jakub Jelinek <jakub@redhat.com>
315 * except.c (duplicate_eh_regions_1): Clear next_peer.
317 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
319 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
320 -mlongcall does not guarantee all calls will be long.
321 * doc/extend.texi (long_call/short_call): Document that longcall
322 does not guarantee a long call will be used.
323 (longcall/shortcall): Likewise.
325 2006-07-18 Roger Sayle <roger@eyesopen.com>
328 * expmed.c (expand_shift): Additionally check that the shift_cost
329 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
330 before implementing a LSHIFT_EXPR as a sequence of additions.
331 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
332 middle-end that DImode shifts need to be synthesized by expand.
334 2006-07-18 Diego Novillo <dnovillo@redhat.com>
337 * tree-ssa-operands.c (access_can_touch_variable): Update
339 Return true if ALIAS is .GLOBAL_VAR.
341 2006-07-18 David Daney <ddaney@avtrex.com>
343 * gcc.c (display_help): Fix typo in help text.
345 2006-07-18 Olivier Hainque <hainque@adacore.com>
347 * tree.h (categorize_ctor_elements): Adjust prototype and add
348 descriptive comment, both in accordance with the interface change
350 * varasm.c (constructor_static_from_elts_p): New function.
351 Whether a constructor node is a valid static constant initializer
352 if all its elements are.
353 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
354 * output.h: Declare it.
355 * expr.c (categorize_ctor_elements_1): Return whether the constructor
356 is a valid constant initializer instead of computing the number of
357 non-constant elements. Use constructor_static_from_elts_p for this
358 purpose. Replace the head comment with an indication that this is a
359 helper for categorize_ctor_elements.
360 (categorize_ctor_elements): Same interface change as for the _1
361 helper. Former head comment from this helper moved here, adjusted to
362 account for the interface changes.
363 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
364 (all_zeros_p): Likewise.
365 * gimplify.c (gimplify_init_constructor): Decide whether we can make
366 static versions of the constructor from the categorize_ctor_elements
367 return value instead of the formerly computed number of non-constant
370 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
372 * configure: Regenerate.
373 * Makefile.in (build_libsubdir): New configure substitution
374 (build_libobjdir): New variable.
375 (BUILD_LIBIBERTY): Use it.
377 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
380 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
382 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
385 * c-common.c (handle_weakref_attribute): Ignore attribute in
386 the same conditions the alias attribute is ignored.
388 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
390 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
391 (dbxout_begin_prologue): Increment scope_labelno.
393 2006-07-17 Richard Henderson <rth@redhat.com>
396 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
399 2006-07-17 Roger Sayle <roger@eyesopen.com>
400 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
402 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
403 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
404 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
405 functions such as sbrk, write, etc.. Add function prototypes.
406 Convert function declarations from K&R to ISO C. Cast pointers
407 to "long" and "unsigned long" instead of "int" and "unsigned int".
408 Convert tokens following #endif into comments.
410 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
412 * invoke.texi: Remove mention of f77; Reformat table for
413 inline parameter options correctly; mention that -malign-double
414 is default on x86-64 targets.
416 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
418 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
419 (convert_affine_scev, chrec_convert_aggressive): Use
420 avoid_arithmetics_in_type_p. Do not check for the subtypes
423 2006-07-17 Richard Sandiford <richard@codesourcery.com>
426 * optabs.c (expand_doubleword_shift): Wrap the call to
427 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
429 2006-07-17 Richard Sandiford <richard@codesourcery.com>
432 * optabs.c (expand_binop): Pass next_methods rather than methods
433 to expand_doubleword_shift.
435 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
438 * tree.h (dump_addr): Declare.
439 * print-tree.c (dump_addr): New function.
440 (print_node_brief, print_node): Use it.
441 * print-rtl.c (print_rtx): Likewise.
442 * common.opt (-fdump-noaddr): New option.
443 * doc/invoke.texi (-fdump-noaddr): Document.
444 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
445 (ve_info_hash): Likewise.
447 2006-07-13 Andrew Haley <aph@redhat.com>
449 PR tree-optimization/19505
450 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
451 edge leaving this block, make sure that the destination of this
452 block has only one predecessor.
454 2006-07-17 Richard Guenther <rguenther@suse.de>
456 PR tree-optimization/28238
457 * tree-inline.c (copy_bb): Check if we produced valid
458 gimple copying and substituting a stmt. If not, gimplify
461 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
463 * optabs.c (maybe_encapsulate_block): New function extracted from...
464 (emit_libcall_block): ...here. Invoke it on the block of insns to
465 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
466 (emit_no_conflict_block): Likewise.
468 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
470 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
472 2006-07-15 Roger Sayle <roger@eyesopen.com>
474 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
475 a new NOP_EXPR case of the switch statement.
477 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
480 * stor-layout.c (place_field): Take the bit field with
481 an excessive size into account in the ms-bitfiled case.
484 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
485 the previous bit field.
487 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
490 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
492 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
494 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
495 signal frames correctly even when the signal was installed with
498 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
500 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
501 (dbxout_function_end): Use local label LFBB. Remove hook
503 (dbxout_source_line): Use local label LFBB.
504 (dbxout_block): Likewise.
505 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
506 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
507 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
510 2006-07-13 Janis Johnson <janis187@us.ibm.com>
512 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
514 2006-07-13 Jan Hubicka <jh@suse.cz>
516 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
518 * output.h (align_variable): Declare.
519 * varasm.c (align_variable): Export.
520 * value-prof.c (tree_value_profile_transformations): Recompute iterator
521 when basic block changed.
523 2006-07-13 Nick Clifton <nickc@redhat.com>
525 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
526 walking the LOG_LINKS chain.
528 2006-07-12 Geoffrey Keating <geoffk@apple.com>
530 * doc/invoke.texi (C++ Dialect Options): Explain difference
531 between -fvisibility-inlines-hidden and setting hidden
532 visibility explicitly.
534 2006-07-12 Eric Christopher <echristo@apple.com>
536 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
537 (stmp-lipo): Depend on libgcc.a.
539 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
541 * tree.c: Fix a comment typo.
543 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
545 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
547 (umulhisi3_r): Likewise.
549 2006-07-12 Paolo Carlini <pcarlini@suse.de>
552 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
553 x < 19, vs wchar_t support.
555 2006-07-12 Nick Clifton <nickc@redhat.com>
557 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
560 2006-07-12 Mike Stump <mrs@apple.com>
562 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
564 2006-07-10 Eric Christopher <echristo@apple.com>
566 * config/t-slibgcc-darwin: Rewrite.
568 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
571 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
574 2006-07-08 Matthias Klose <doko@debian.org>
576 * doc/sourcebuild.texi: Fix typo.
578 2006-07-07 Mike Stump <mrs@apple.com>
580 * toplev.c (process_options): Don't give -ffunction-sections may
581 affect debugging warning for Mach-O.
583 2006-07-07 James E Wilson <wilson@specifix.com>
585 * config/mips/mips.md (cpu): Add sb1a.
586 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
587 addition to sb1. Adjust comments to clarify SB-1A differences from
589 (ir_sb1a_load): New. Modify bypasses to use it.
590 (ir_sb1a_simple_alu): Likewise.
591 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
592 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
593 (mips_issue_rate): Add PROCESSOR_SB1A.
594 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
595 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
596 (TARGET_SB1): Add PROCESSOR_SB1A check.
597 (TUNE_SB1): Likewise.
599 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
600 * config/mips/mips.c (mips_store_data_bypass_p): New.
601 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
604 2006-07-08 Paul Brook <paul@codesourcery.com>
607 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
609 2006-07-07 Richard Guenther <rguenther@suse.de>
612 * tree.h (build_one_cst): Declare.
613 * tree.c (build_one_cst): New function.
614 * tree-ssa-math-opts.c (get_constant_one): Remove.
615 (insert_reciprocals): Use build_one_cst.
616 * fold-const.c (fold_plusminus_mult): Likewise.
618 2006-07-07 Roger Sayle <roger@eyesopen.com>
620 * pointer-set.c (pointer_set_destroy): Correct whitespace.
621 * cfgloopanal.c (dump_graph): Likewise.
622 * dojump.c (discard_pending_stack_adjust): Likewise.
623 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
625 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
626 * function.c (finalize_block_changes): Likewise.
627 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
628 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
629 * rtl.c (dump_rtx_statistics): Likewise.
630 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
632 * varray.c (dump_varray_statistics): Likewise.
633 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
634 decode_decimal64, encode_decimal128, decode_decimal128,
635 decimal_real_to_decimal): Likewise.
637 2006-07-07 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/28187
640 * tree-vrp.c (vrp_operand_equal_p): New function.
641 (vrp_bitmap_equal_p): Likewise.
642 (update_value_range): Use them to compare old and new
645 2006-07-06 Roger Sayle <roger@eyesopen.com>
647 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
648 a default case to switch statement to silence compiler warnings.
650 2006-07-06 Roger Sayle <roger@eyesopen.com>
653 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
654 the configured assembler supports the x87's ffreep mnemonic.
655 * configure: Regenerate.
656 * config.in: Regenerate.
658 * config/i386/i386.c (output_387_ffreep): New function.
659 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
660 (output_387_reg_move): Likewise.
662 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
664 Port to hosts whose 'sort' and 'tail' implementations
665 treat operands with leading '+' as file names, as POSIX
666 has required since 2001. However, make sure the code still
667 works on pre-POSIX hosts.
668 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
669 which says you should use "tail -c +N" rather than "tail +Nc".
670 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
672 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
674 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
677 2006-07-06 David Edelsohn <edelsohn@gnu.org>
680 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
681 PRE_{INC,DEC} of TFmode.
683 2006-07-06 David Edelsohn <edelsohn@gnu.org>
684 Alan Modra <amodra@bigpond.net.au>
687 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
690 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
693 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
694 Remove duplicate gtu.
696 2006-07-05 Jason Merrill <jason@redhat.com>
700 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
701 * c-common.c (handle_packed_attribute): So don't copy it here.
702 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
704 2006-07-05 Mike Stump <mrs@apple.com>
706 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
708 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
711 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
713 2006-07-05 Richard Guenther <rguenther@suse.de>
716 * config/i386/i386.md (*negdf2_1): Restrict pattern to
717 TARGET_SSE2 targets if using SSE math.
718 (*absdf2_1): Likewise.
720 2006-07-05 Richard Guenther <rguenther@suse.de>
722 PR tree-optimization/28162
723 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
724 make sure to convert the operands to the correct type.
726 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
728 PR tree-optimization/28218
730 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
731 to calculate and free the dominator information.
733 2006-07-04 Peter O'Gorman <peter@pogma.com>
735 * mklibgcc.in: chmod 644 before ranlib during install.
737 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
738 J"orn Rennecke <joern.rennecke@st.com>
740 * configure.ac (.eh_frame data check): Use diff -b.
742 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
745 * Makefile.in (BUILD_RTL): Add build/vec.o.
746 (build/gencondmd.o): Filter out -fkeep-inline-functions.
747 (build/genextract): Delete.
748 (build/genautomata): Likewise.
750 2006-07-04 Alan Modra <amodra@bigpond.net.au>
753 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
754 128-bit IBM long doubles for ABI_V4.
756 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
758 * tree.c (range_in_array_bounds_p): New predicate.
759 * tree.h (range_in_array_bounds_p): Declare it.
760 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
761 return a less conservative answer.
762 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
764 (IS_ELEMENT_FOR_GROUP): New macro.
765 (FOR_EACH_ACTUAL_CHILD): Likewise.
766 (next_child_for_group): New helper function.
767 (can_completely_scalarize_p): Take into account groups.
768 (sra_hash_tree): Handle RANGE_EXPR.
769 (sra_elt_eq): Likewise.
770 (lookup_element): Be prepared for handling groups.
771 (is_valid_const_index): Delete.
772 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
773 instead of is_valid_const_index.
774 <ARRAY_RANGE_REF>: New case.
775 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
776 is_valid_const_index.
777 <ARRAY_RANGE_REF>: Do not unconditionally punt.
778 (scan_dump): Dump info for groups too.
779 (decide_instantiation_1): Likewise.
780 (decide_block_copy): Assert that the element is not a group.
781 Propagate decision to groups.
782 (generate_one_element_ref): Handle RANGE_EXPR.
783 (mark_no_warning): Iterate over actual childs.
784 (generate_copy_inout): Likewise.
785 (generate_element_copy): Likewise.
786 (generate_element_zero): Likewise.
787 (generate_element_init_1): Likewise.
788 (dump_sra_elt_name): Handle RANGE_EXPR.
790 2006-07-03 Roger Sayle <roger@eyesopen.com>
792 PR tree-optimization/26251
793 * tree-ssa-threadupdate.c (redirection_block_p): New function.
794 (thread_block): When optimizing for size refuse to thread jumps
795 that would require duplication of blocks other than redirection
798 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
800 * configure.ac: Fix thinko in previous check-in.
801 * configure: Regenerate.
803 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
806 * configure.ac (for lang...): Simplify nesting of conditionals.
807 Test subdir_requires for non-enabled languages. Move processing
808 of lang_opt_files and lang_tree_fiels below that test.
809 * configure: Regenerate.
810 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
812 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
814 * doc/gcov.texi (Invoking Gcov): Add a missing word.
816 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
818 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
821 2006-06-29 Jason Merrill <jason@redhat.com>
828 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
829 * c-common.c (c_determine_visibility): Handle it here.
830 * c-decl.c (finish_decl): Call c_determine_visibility for
832 * flags.h (enum symbol_visibility): Sort from most to least visibility.
834 * varasm.c (default_assemble_visibility): Likewise.
835 * c-common.c (handle_visibility_attribute): Complain about trying
836 to give visibility to an already defined class, or trying to change
837 declared visibility. Always attach the attribute.
842 * attribs.c (decl_attributes): Ignore type-in-place attributes
843 once the type has been defined.
845 2006-06-29 Roger Sayle <roger@eyesopen.com>
848 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
849 to indicate the cpplib has issued an error message for us.
851 2006-06-29 Asher Langton <langton2@llnl.gov>
854 * config/i386/i386.c (ix86_output_function_epilogue): Don't
855 insert a label at the end of an function under Mach-O.
857 2006-06-29 Eric Christopher <echristo@apple.com>
858 Evan Cheng <evan.cheng@apple.com>
860 * predicates.md (vector_all_ones_operand): New.
861 (nonimmediate_or_sse_const_operand): Ditto.
862 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
863 * config/i386/i386.c (standard_sse_constant_opcode): Define.
864 (standard_sse_mode_p): Ditto.
865 (standard_sse_constant_p): Add case for -1 vector.
866 (ix86_expand_vector_move): Try to use.
867 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
868 Call standard_sse_constant_opcode.
869 (*movv4sf_internal): Ditto.
870 (*movv2df_internal): Ditto.
872 2006-06-29 Roger Sayle <roger@eyesopen.com>
874 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
875 of XEXP to extract the operands of a MATCH_CODE rtx.
877 2006-06-28 Andrew Pinski <pinskia@gmail.com>
879 * tree.c (tree_size): Do not waste tail padding in
880 struct tree_string and make the size be the same as
881 build_string will generate.
883 2006-06-28 Jason Merrill <jason@redhat.com>
886 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
887 may_aliases already in the tag's annotations to the bitmap.
889 2006-06-28 Roger Sayle <roger@eyesopen.com>
891 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
893 2006-06-28 Roger Sayle <roger@eyesopen.com>
895 * genpreds.c (generate_switch_p): New function.
896 (add_mode_tests): Push the new mode test down inside an AND expr
897 if this allows the switch-suitable MATCH_CODE to be near the root.
898 (write_match_code_switch): New function to write a MATCH_CODE as
900 (write_predicate_stmts): New function to write a predicate RTX
901 expression as a sequence of statements.
902 (write_one_predicate_function): Use write_predicate_stmts.
903 (write_tm_constrs_h): Likewise.
905 2006-06-26 Fred Fish <fnf@specifix.com>
907 * config/mips/t-sb1: New file.
908 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
911 2006-06-26 DJ Delorie <dj@redhat.com>
913 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
915 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
916 Jayant Sonar <jayants@kpitcummins.com>
917 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
919 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
920 (subsi3, subsi3_1, subsi3_2): New.
921 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
922 * config/m32c/mov.md (SI mov peephole): New.
923 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
924 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
926 2006-06-26 Olivier Hainque <hainque@adacore.com>
928 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
929 a CALL_EXPR target function declaration.
931 2006-06-26 Richard Guenther <rguenther@suse.de>
933 * tree.c (build_string): Do not waste tail padding in
936 2006-06-26 Richard Guenther <rguenther@suse.de>
938 * ggc-page.c (init_ggc): Add missing element to size_lookup
942 2006-06-23 Richard Guenther <rguenther@suse.de>
944 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
945 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
946 alignment requests instead. Add verification code.
947 Add struct tree_function_decl and struct tree_binfo size to
948 extra_order_size_table. Add missing element to size_lookup
951 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
954 * fold-const.c (const_binop): Be prepared for self returning zero.
955 Simplify code handling complex values.
957 2006-06-24 Olivier Hainque <hainque@adacore.com>
959 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
960 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
963 2006-06-24 Olivier Hainque <hainque@adacore.com>
965 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
966 ARRAY_REF, so have the callback called for the low bound expression.
968 2006-06-23 Janis Johnson <janis187@us.ibm.com>
970 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
971 * c-typeck.c (c_common_type): Disallow operations on decimal float
972 types and other float types.
973 * convert.c (convert_to_real): Don't ignore conversions involving
976 2006-06-23 Olivier Hainque <hainque@adacore.com>
978 * tree.c (max_int_size_in_bytes): New function, inspired from
979 code in function.c:assign_temp.
980 * tree.h (max_int_size_in_bytes): Declare.
981 * function.c (assign_temp): Use it.
982 * gimplify.c (create_tmp_var): Relax the assertions on the type
983 properties, not mandating constant size any more.
984 (force_constant_size): New static function.
985 (gimple_add_tmp_var): Use it, forcing variable size to a
986 constant upper bound if it is not constant on entry.
988 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
991 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
992 for initialization and setting of one_only flag to ...
993 (i386_pe_encode_section_info): ...here.
994 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
995 Recheck that the symbol has not been defined.
997 2006-06-23 Richard Guenther <rguenther@suse.de>
999 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1000 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1001 alignment requests instead. Add verification code.
1002 Add struct tree_function_decl and struct tree_binfo size to
1003 extra_order_size_table. Add missing element to size_lookup
1006 2006-06-22 Roger Sayle <roger@eyesopen.com>
1007 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1010 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1011 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1013 2006-06-23 Ben Elliston <bje@au.ibm.com>
1015 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1016 negate dn -- manipulate it directly.
1018 2006-06-22 Roger Sayle <roger@eyesopen.com>
1019 Steven Bosscher <stevenb.gcc@gmail.com>
1022 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1023 generated by gen_move_insn to add REG_LABEL notes if necessary.
1025 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1027 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1028 (leaf_entry): Remove use of MIN_ESA.
1030 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1032 PR rtl-optimization/28121
1033 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1036 2006-06-21 DJ Delorie <dj@redhat.com>
1038 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1040 (mulhisi3_r): Likewise.
1042 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1045 * coverage.c (coverage_counter_alloc): Leave the index type
1047 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1050 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1052 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1053 section from the "Options for Code Generation Conventions".
1055 2006-06-21 Richard Henderson <rth@redhat.com>
1059 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1061 (global_symbolic_operand): Allow weak symbols, even if local_p.
1063 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1065 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1066 (find_interesting_uses_address): Punt if above function returns true.
1068 2006-06-21 Richard Guenther <rguenther@suse.de>
1070 * configure: Regenerated.
1072 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1074 * config/mips/mips.c (function_arg): Where one part of a
1075 complex argument is in registers and the other part in the stack,
1076 return a REG not a PARALLEL.
1078 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1080 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1081 when cross-compiling. Do not substitute libstdcxx_incdir.
1082 * configure: Regenerated.
1084 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1086 * varasm.c (mergeable_string_section): Check for embedded NULs and
1087 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1088 rather than TREE_STRING_LENGTH bytes.
1090 2006-06-21 Richard Guenther <rguenther@suse.de>
1092 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1093 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1096 2006-06-21 Richrad Guenther <rguenther@suse.de>
1098 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1099 Limit iteration over the dominators.
1101 2006-06-20 Roger Sayle <roger@eyesopen.com>
1103 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1104 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1106 2006-06-20 Richard Guenther <rguenther@suse.de>
1107 Michael Matz <matz@suse.de>
1109 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1111 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1112 * et-forest.h (et_free_pools): Prototype new function.
1113 * et-forest.c (et_free_tree_force): Free parent occurrence.
1114 (et_free_pools): New function.
1115 * dominance.c (free_dominance_info): Free et-forest alloc
1118 2006-06-20 Roger Sayle <roger@eyesopen.com>
1120 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1121 integer modes, attempt to directly construct an integer constant.
1123 * fold-const.c (native_encode_vector): Determine the size of each
1124 element from the vector type instead of the first vector element.
1126 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1127 if all of its elements/components are constant.
1128 (build_constructor_from_list): Likewise.
1130 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1132 PR tree-optimization/27331
1133 * tree-data-ref.c (free_data_ref): New function.
1134 (create_data_ref): Fail if the data reference has unknown access
1136 (free_data_refs): Use free_data_ref.
1138 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1141 * tree-inline.c (setup_one_parameter): Strip useless
1142 type conversion before adding it to the IR.
1143 (declare_return_variable): Likewise.
1145 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1148 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1150 2006-06-19 Mike Stump <mrs@apple.com>
1152 * tree.c (variably_modified_type_p): VM arguments don't make the
1155 2006-06-19 Richard Guenther <rguenther@suse.de>
1157 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1158 type conversions after folding.
1160 2006-06-19 Richard Guenther <rguenther@suse.de>
1162 * ggc-page.c (extra_order_size_tab): Add entries with
1163 size of struct function and basic_block.
1164 (size_lookup): Extend to cover sizes up to 511.
1165 (ggc_alloc_stat): Adjust user.
1166 (ggc_pch_count_object): Likewise.
1167 (ggc_pch_alloc_object): Likewise.
1168 (ggc_pch_write_object): Likewise.
1170 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1172 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1173 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1176 2006-06-19 Denis Chertykov <denisc@overta.ru>
1178 * config/avr/libgcc.S : Correct my wrong previous commit.
1180 2006-06-19 Roger Sayle <roger@eyesopen.com>
1183 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1184 have stripped a SUBREG from the shift count, so we may need to
1185 convert_to_mode back to the type's mode before calling make_tree.
1186 Use new_amount instead of amount to avoid expanding a tree twice.
1188 2006-06-19 Richard Guenther <rguenther@suse.de>
1191 * fold-const.c (operand_equal_p): Check if the argument types
1192 have the same precision before stripping NOPs.
1194 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1196 Fix PR tree-optimization/27341
1197 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1199 * tree-complex.c (pass_lower_complex): Update SMT usage.
1201 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1203 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1204 Add a new alternative to the constraint strings. Add move of
1205 operand 1 to 3 to the splitter definition.
1206 ("doloop_si_long"): Second contraint alternative removed.
1208 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1210 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1211 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1213 (AVR_HAVE_MOVW) Define.
1214 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1215 (ASM_SPEC): Add avr25.
1216 (LINK_SPEC): Add avr25.
1217 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1218 (base_arch_s): Add new member 'have_movw_lpmx'.
1219 (avr_arch_types): Init 'have_movw_lpmx'.
1220 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1221 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1222 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1223 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1224 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1226 (avr_file_start): Do not output '.arh' derective.
1227 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1228 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1229 * config/avr/avr.md (mcu_enhanced): Delete.
1230 (mcu_have_movw): Define.
1231 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1232 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1233 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1234 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1235 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1236 attiny861 and at86rf401 devices.
1238 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1240 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1243 2006-06-17 Karl Berry <karl@gnu.org>
1245 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1246 doc/gccint.texi, doc/install.texi (@dircategory): Use
1247 "Software development" instead of "Programming", following
1248 the Free Software Directory.
1250 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1252 * config/i386/i386.c (legitimate_tls_address)
1253 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1254 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1255 (*tls_dynamic_gnu2_combine_64): Likewise.
1257 2006-06-16 Richard Guenther <rguenther@suse.de>
1260 * fold-const.c (negate_expr_p): Do not introduce undefined
1261 overflow in negating INTEGER_CSTs.
1262 (fold_negate_expr): Rename from negate_expr. Revert last
1263 change for folding BIT_NOT_EXPR. Change semantics to
1264 return NULL_TREE for non-simplified negations. Do not
1265 strip type conversions and unify type handling.
1266 (negate_expr): New function, wrap around fold_negate_expr
1267 but ensure building a tree always. Strip type conversions
1268 here, fold to result type.
1269 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1271 2006-06-16 Roger Sayle <roger@eyesopen.com>
1274 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1275 that (would) return their results in stack registers.
1277 2006-06-16 Michael Matz <matz@suse.de>
1278 Richard Guenther <rguenther@suse.de>
1280 * fold-const.c (fold_truthop): Only return new tree node if
1281 we canonicalized something.
1283 2006-06-16 Richard Guenther <rguenther@suse.de>
1285 * function.h (enum function_frequency): Move declaration
1286 out of struct function.
1287 (struct function): Move bool fields and the enum to the bitfield
1288 section. Reorder elements to avoid padding. Remove unused
1289 fields left over from the RTL inliner removal.
1290 * function.c (free_after_compilation): Do not zero removed fields.
1291 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1292 (ipa-type-escape.o): Likewise.
1294 2006-06-16 Richard Guenther <rguenther@suse.de>
1296 * cgraph.h (struct cgraph_local_info): Turn bool elements
1298 (struct cgraph_node): Likewise.
1299 (struct cgraph_varpool_node): Likewise.
1301 2006-06-15 Richard Guenther <rguenther@suse.de>
1303 * fold-const.c (fold_truth_not_expr): Rename from
1304 invert_truthvalue. Give it fold_* semantics to avoid
1306 (invert_truthvalue): New function. Wrapper around
1307 fold_truth_not_expr.
1308 (optimize_minmax_comparison): Avoid creating garbage.
1309 (fold_unary): Use fold_truth_not_expr for folding
1311 (fold_ternary): Replace uses of invert_truthvalue with
1312 fold_truth_not_expr where applicable.
1313 * tree.h (fold_truth_not_expr): Prototype.
1315 2006-06-16 Richard Guenther <rguenther@suse.de>
1317 PR tree-optimization/27781
1318 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1319 * ipa-pure-const.c (target.h): Include.
1320 (analyze_function): Do not analyze functions that do not
1323 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1326 * tree-dfa.c (referenced_vars_dup_list): Remove.
1327 (find_referenced_vars): Remove assert.
1328 (referenced_var_check_and_insert): Replace dup list with assert.
1329 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1330 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1332 2006-06-15 Richard Guenther <rguenther@suse.de>
1334 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1335 extra unused identifiers if not dumping.
1336 (create_variable_info_for): Likewise.
1338 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1340 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1341 (derive_constant_upper_bound): Derive more precise upper bound in
1342 common cases. Return type changed to double_int.
1343 (record_estimate): Reflect the changed return type of
1344 derive_constant_upper_bound.
1345 * double-int.c (double_int_zext, double_int_sext): Fix.
1347 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1349 * configure.ac (CFLAGS): Get them from the toplevel or from the
1350 configure invocation.
1351 * configure: Regenerate.
1352 * Makefile.in (CFLAGS): Substitute value provided by configure.
1354 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1357 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1358 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1359 rather than calling add_stmt on it.
1360 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1362 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1365 * reload1.c (reload): Remove registers returned by update_eliminables
1366 from used_spill_regs.
1368 2006-06-13 DJ Delorie <dj@redhat.com>
1370 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1372 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1374 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1375 html__strip_dir, html__mkdir_p. Enhance install-html target.
1376 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1377 * configure: Regenerate.
1379 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1381 * fold-const.c (fold_cond_expr_with_comparison): Check for
1382 Objective-C++ as language in deciding COND_EXPR transformation.
1384 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1387 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1388 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1389 * config/sh/lib1funcs.h (SL, SL1): Define.
1390 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1391 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1392 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1393 (OBJS_Os_4_200): New variable.
1394 ($(T)libgcc-Os-4-200.a): Use it.
1395 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1396 when dividing 1 and/or by 0.
1398 2006-06-13 Roger Sayle <roger@eyesopen.com>
1400 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1401 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1402 * configure: Regenerate.
1404 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1406 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1407 for real instruction.
1409 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1412 * haifa-sched.c (check_cfg): Handle special case.
1414 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1417 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1418 Add debug_info parameter. Chain the vars to the BLOCK instead
1419 of the BIND_EXPR if debug info are requested for them.
1420 (pop_gimplify_context): Adjust for above change.
1421 (gimple_add_tmp_var): Likewise.
1422 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1424 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1425 (convert_local_reference): Likewise.
1426 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1427 (finalize_nesting_tree_1): Request that debug info be emitted
1428 for debug_var_chain.
1430 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1432 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1433 for PR target/27863.
1435 2006-06-13 Richard Guenther <rguenther@suse.de>
1438 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1440 2006-06-13 Richard Guenther <rguenther@suse.de>
1442 PR tree-optimization/27830
1443 * tree-inline.c (copy_body_r): For copying the operand
1444 of an ADDR_EXPR make sure to fold &* afterwards.
1446 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1448 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1449 lvalues in the fb_none case with side-effects.
1451 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1453 * tree-flow.h: Remove the prototype for
1454 compute_phi_arg_on_exit.
1455 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1456 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1459 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1461 * builtins.c (expand_builtin_return_addr): Only use
1462 frame_pointer_rtx when count == 0 and we are expanding
1463 __builtin_return_address.
1465 2006-06-12 Fred Fish <fnf@specifix.com>
1467 * config/mips/mips.c (mips_file_start): Create special section
1468 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1470 2006-06-11 Eric Christopher <echristo@apple.com>
1473 * stor-layout.c (place_field): Remove check for
1474 remaining_in_alignment when aligning at the end of a run.
1476 2006-06-11 Eric Christopher <echristo@apple.com>
1479 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1482 2006-06-11 Roger Sayle <roger@eyesopen.com>
1485 Revert incorrect fix for PR target/27158
1486 2006-05-08 Roger Sayle <roger@eyesopen.com>
1487 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1488 of a reg_equiv_constant if the result is a legitimate constant.
1490 2006-06-11 Roger Sayle <roger@eyesopen.com>
1493 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1494 extract a CONST_VECTOR element and interpret it as an integer.
1495 (vspltis_constant): Use const_vector_elt_as_int instead of the
1496 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1497 * config/rs6000/predicates.md (easy_vector_const): Consider
1498 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1500 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1503 * stor-layout.c (update_alignment_for_field): Don't add extra
1504 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1507 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1509 * config/mips/t-rtems: Add EL/EB multilib variants.
1511 2006-06-09 Mike Stump <mrs@apple.com>
1513 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1515 2006-06-09 David Daney <ddaney@avtrex.com>
1517 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1519 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1521 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1523 2006-06-09 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/26998
1526 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1527 of signed types, only TYPE_MIN_VALUE is special, but for both,
1528 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1529 in this case, as is -fwrapv.
1531 2006-06-08 Mike Stump <mrs@apple.com>
1534 * config/darwin.c (darwin_asm_output_anchor): Disable
1535 -fsection-anchors on darwin for now.
1536 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1537 * rs6000/rs6000.c (optimization_options): Likewise.
1539 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * config/i386/i386.c (classify_argument): Skip fields with invalid
1545 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1547 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1548 (cse_insn): Likewise for the stack_pointer_rtx.
1550 2006-06-08 Roger Sayle <roger@eyesopen.com>
1552 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1553 conditions from floating point comparisons.
1555 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1558 * expmed.c (struct alg_hash_entry): Fix type of field T
1559 to match synth_mult argument.
1560 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1562 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1565 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1568 2006-06-08 Richard Guenther <rguenther@suse.de>
1571 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1572 only, if overflow is defined and not trapping.
1573 (negate_expr): Likewise.
1575 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1577 PR tree-optimization/27872
1578 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1579 flag on the new exit edge of the unrolled loop.
1581 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1583 PR rtl-optimization/26449
1584 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1586 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1589 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1590 referenced_variables with matching DECL_UID's.
1591 (find_referenced_vars): Make sure duplicate list is empty to start.
1592 (referenced_var_p): Remove.
1593 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1594 Check if var is in the list, and add if needed. Update the duplicate
1595 list if a different var is in the list with the same DECL_UID.
1596 (add_referenced_var): Call routine to check and insert.
1597 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1598 * tree-flow.h (referenced_vars_dup_list): External declaration.
1600 2006-06-07 Fred Fish <fnf@specifix.com>
1602 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1605 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1608 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1609 the imaginary and real parts of a clobbered register.
1610 Emit insn to set the imaginary part.
1612 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1614 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1615 in lieu of unwind-dw2-fde.c.
1617 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1619 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1621 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1624 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1625 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1626 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1627 V4SImode temporaries and operations instead.
1629 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1631 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1634 2006-06-06 Mike Stump <mrs@apple.com>
1636 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1637 installing during build.
1639 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1641 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1643 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1644 * config/ia64/ia64.c (params.h): New header.
1645 (ia64_optimization_options): New function to adjust parameters.
1646 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1647 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1648 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1650 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1652 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1654 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1657 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1659 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1660 Victor Kaplansky <victork@il.ibm.com>
1662 PR tree-optimization/26360
1663 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1666 2006-06-04 Roger Sayle <roger@eyesopen.com>
1667 Andrew Pinski <pinskia@physics.uc.edu>
1670 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1671 for LABEL_DECL before calling DECL_WEAK.
1674 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1675 LABEL_DECL and PARM_DECL.
1677 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1681 * c-decl.c (grokdeclarator): Disallow variably modified types at
1682 file scope. Avoid marking shared array type of constant size as
1685 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1688 * c-common.c (fold_offsetof_1): Handle static members.
1690 2006-06-04 Eric Christopher <echristo@apple.com>
1692 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1693 (debug_rli): Output value for remaining_in_alignment.
1694 (update_alignment_for_field): Unconditionalize
1695 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1696 extra alignment code.
1697 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1698 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1699 * tree.h (record_layout_info_s): Remove prev_packed.
1700 * doc/extend.texi (ms_struct): Add documentation of format.
1702 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1704 * tree.h: Declare folding_initializer.
1705 * builtins.c (fold_builtin_constant_p): Give definite answer
1706 if folding inside an initializer.
1707 * fold-const.c: Define folding_initializer.
1708 (START_FOLD_INIT): Save and then set folding_initializer.
1709 (END_FOLD_INIT): Restore folding_initializer.
1711 2006-06-04 Richard Guenther <rguenther@suse.de>
1713 PR tree-optimization/27039
1714 * fold-const.c (fold_comparison): Handle pointer comparison
1715 again for all comparison codes. Compare offsets in signed
1717 (fold_binary): Move code from here.
1719 2006-06-03 Roger Sayle <roger@eyesopen.com>
1722 * config/i386/i386.c (construct_container): Split static issued_error
1723 flag into issued_sse_arg_error, issued_sse_ret_error and
1724 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1725 requires the use of x87 registers and the user explicitly
1726 specified the -mno-80387 command line option.
1728 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1730 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1731 HAVE_DECL_SIGALTSTACK.
1733 (segv_handler): Use MC_FLD.
1734 * configure.ac: Check for a sigaltstack declaration.
1735 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1736 * configure: Regenerate.
1737 * config.in: Regenerate.
1739 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1742 * Makefile.in (stmp-fixinc): Fix typo.
1744 2006-06-02 Roger Sayle <roger@eyesopen.com>
1746 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1747 are type correct. Clean-up.
1748 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1749 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1751 2006-06-01 DJ Delorie <dj@redhat.com>
1753 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1754 shift, as we've disabled the "switch" insn that needs it.
1756 2006-06-01 Per Bothner <bothner@bothner.com>
1758 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1759 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1760 * c-ppoutput.c (cb_define): Don't increment line 0.
1762 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1764 * doc/invoke.texi: Add cpu_type power6.
1765 * config.gcc: Add cpu_type power6.
1766 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1767 to power5+ with Altivec.
1768 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1769 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1771 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1773 * config/avr/avr.h (SET_ASM_OP): Define.
1775 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1777 * config/bfin/bfin.c: Fix comment typos.
1779 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1782 * doc/install.texi: Document --enable-bootstrap and
1783 --disable-bootstrap.
1785 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1787 * doc/install.texi: Document that InfoZIP can replace jar.
1789 2006-05-31 Roger Sayle <roger@eyesopen.com>
1791 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1792 isn't available, directly generate the simpler x87 patterns without
1793 the (use (const_int 0)).
1794 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1795 implementation isn't available.
1796 (*negdf2_1): Likewise.
1797 (*negxf2_1): XF mode negation is always done using the x87.
1798 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1800 2006-05-31 Roger Sayle <roger@eyesopen.com>
1802 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1803 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1805 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1807 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1809 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1810 * config/bfin/bfin.c (basic-block.h): Include.
1811 (struct machine_function): New.
1812 (bfin_init_machine_status): New.
1813 (override_options): Initialize init_machine_status.
1814 (bfin_hardware_loop): New.
1815 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1816 (DEF_VEC_P (loop_info)): New.
1817 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1818 (struct loop_info): New.
1819 (loop_info): New typedef.
1820 (struct loop_work): New.
1821 (loop_work): New typedef.
1822 (DEF_VEC_O (loop_work)): New.
1823 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1824 (bfin_dump_loops): New.
1825 (bfin_bb_in_loop): New.
1826 (bfin_scan_loop): New.
1827 (bfin_optimize_loop): New.
1828 (bfin_reorg_loops): New.
1829 (bfin_reorg): Use bfin_reorg_loops.
1830 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1832 (I_REGNO_P): Simplify.
1833 (DP_REGNO_P, DPREG_P): New macros.
1834 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1835 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1836 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1837 Add LT_REGS, LC_REGS, LB_REGS.
1838 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1840 (REGNO_REG_CLASS): Deal with loop registers.
1841 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1843 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1844 New constants for loop registers.
1845 (UNSPEC_LSETUP_END): New.
1846 (seq_insns): New define_attr. Set it for appropriate insns.
1847 (movsi_insn): Add alternatives for move from/to
1848 loop count registers.
1849 (doloop_end): New define_expand.
1850 (loop_end): New define_insn.
1851 (define_split for bad doloop_end): New.
1852 (lsetup_with_autoinit): New define_insn.
1853 (lsetup_without_autoinit): New define_insn.
1854 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1855 * config/bfin/predicates.md (lc_register_operand): New.
1856 (lt_register_operand): New.
1857 (lb_register_operand): New.
1858 (nondp_register_operand): New.
1859 (nondp_reg_or_memory_operand): New.
1860 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1862 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1864 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1865 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1867 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1869 * Makefile.in (CATALOGS): Add po/ prefix.
1870 * configure: Regenerated.
1872 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1875 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1876 a shift operand before calling shift_op. Avoid redundant call of
1879 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1880 DJ Delorie <dj@redhat.com>
1882 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1883 we're inserting is a singlt-bit constant.
1885 2006-05-30 Roger Sayle <roger@eyesopen.com>
1887 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1888 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1890 2006-05-30 Roger Sayle <roger@eyesopen.com>
1892 PR tree-optimization/23452
1893 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1894 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1895 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1896 complex values and with -ffast-math for FP complex values.
1898 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1900 * c-common.h: Remove the prototype for yyparse.
1901 * rtl.h: Remove the prototype for init_loop.
1903 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1905 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1908 2006-05-30 Roger Sayle <roger@eyesopen.com>
1910 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1912 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1913 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1915 2006-05-30 Dirk Mueller <dmueller@suse.de>
1918 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1919 for CONSTANT_CLASS_P expresisons.
1921 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1924 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1926 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1928 PR tree-optimization/27779
1929 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1930 initial_condition instead of CHREC_LEFT.
1932 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1934 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1935 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1936 Make prototypes ISO C90.
1938 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1939 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1941 * see.c (see_analyze_one_def): Correct check.
1942 (see_get_extension_data): Check if extension is parallel.
1943 (see_get_extension_reg): Likewise.
1945 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1948 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1949 into register for (code == GTU).
1951 2006-05-29 Roger Sayle <roger@eyesopen.com>
1953 PR tree-optimization/24964
1954 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1955 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1956 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1957 abs(x)*abs(x) as x*x for scalar floating point modes.
1959 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1962 * lambda-code.c (perfect_nestify): Don't copy statements
1963 in the inner loop: move them to the inner loop header.
1965 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1968 * c-tree.texi: Document OpenMP directives and clauses.
1970 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1972 * varasm.c (globalize_decl): Fix indentation.
1974 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1977 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1978 pass_fre, pass_store_ccp, pass_copy_prop,
1979 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1980 pass_return_slot, pass_object_size, pass_lim,
1981 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1982 pass_loop_prefetch and pass_stdarg.
1984 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1986 * config/bfin/bfin.opt (mfdpic): New option.
1987 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1988 (EXTRA_MULTILIB_PARTS): Likewise.
1989 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1990 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1992 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1993 (CRT_CALL_STATIC_FUNCTION): New.
1994 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1996 (CRT_CALL_STATIC_FUNCTION): New.
1997 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1999 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2000 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2001 (initialize_trampoline): Changed to handle FD-PIC code generation.
2002 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2003 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2004 (override_options): Disallow -mid-shared-library -mfdpic combination.
2005 Can't do unaligned ops if FD-PIC.
2006 Turn off flag_pic if trying to generate non-id-shared-library
2007 non-fdpic code, since it's not supported.
2008 (bfin_assemble_integer): New function.
2009 (TARGET_ASM_INTEGER): Define.
2010 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2012 * config/bfin/crtn.s: Restore them.
2013 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2015 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2016 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2017 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2018 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2019 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2021 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2022 FDPIC_REGS and FDPIC_FPTR_REGS.
2023 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2024 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2025 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2026 (load_funcdescsi): New pattern.
2027 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2028 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2029 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2031 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2033 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2036 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2038 * tree-flow.h: Remove the prototype for add_type_alias.
2039 * tree-ssa-alias.c (add_type_alias): Remove.
2041 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2043 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2044 config/fr30/fr30.md, config/i386/i386-interix.h,
2045 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2046 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2047 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2048 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2049 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2050 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2051 Follow spelling conventions.
2052 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2053 Follow spelling conventions.
2055 2006-05-27 Richard Guenther <rguenther@suse.de>
2058 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2059 to produce a constant of value 1 of generic type.
2061 2006-05-27 Dirk Mueller <dmueller@suse.de>
2063 * cgraphunit.c (decide_is_function_needed): Fix wrong
2066 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2068 PR rtl-optimization/27661
2069 * reload.c (find_reloads): When reloading a VOIDmode constant
2070 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2071 use Pmode as mode of the reload register.
2073 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2075 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2076 is enabled at -O and above.
2078 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2081 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2084 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2087 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2088 for anonymous variables explicitly declared by front ends.
2090 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2092 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2093 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2094 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2095 ref-all pointers, run a finalization pass for them.
2096 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2097 (finalize_ref_all_pointers): New function.
2098 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2099 regular pointer type to a ref-all pointer type.
2100 (get_tmt_for): Return the special memory tag for ref-all pointers.
2102 2006-05-25 Richard Guenther <rguenther@suse.de>
2105 * fold-const.c (fold_binary): Do not look at the stripped
2106 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2108 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2110 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2111 for LT and GT if the computed range is effectively empty.
2113 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2116 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2117 mips_quad_format formats instead of ieee_single_format,
2118 ieee_double_format and ieee_quad_format formats, respectively.
2120 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2122 PR tree-optimization/27639
2123 PR tree-optimization/26719
2124 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2125 call to scev_probably_wraps_p.
2126 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2127 used_in_pointer_arithmetic_p, convert_step): Removed.
2128 (nowrap_type_p): New function.
2129 (scev_probably_wraps_p): Rewritten.
2130 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2131 chrec_convert if chrec_convert_aggressive might have been used.
2132 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2133 scev_direction): New functions.
2134 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2135 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2136 instead of convert_step.
2137 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2138 (convert_step): Declaration removed.
2139 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2141 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2143 * df-core.c: Added to header comments.
2144 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2145 df_ur_bb_info, df_urec_bb_info): Added comments.
2146 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2147 urec, ri problems): Fixed header comments.
2148 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2149 code from df_rd_transfer_function.
2151 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2153 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2154 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2155 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2157 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2159 * expr.c (undefined_operand_subword_p): New.
2160 (emit_move_multi_word): Do not generate move from undefined bits
2161 of a paradoxical subreg.
2163 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2165 PR rtl-optimization/27736
2166 * combine.c (replaced_rhs_value): New variable.
2167 (combine_instructions): Set it.
2168 (distribute_notes): When distributing a note in replaced_rhs_insn,
2169 check whether the value was used in replaced_rhs_value.
2171 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2174 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2175 add_referenced_var instead of add_referenced_tmp_var.
2176 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2177 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2179 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2180 tree_optimize_tail_calls_1): Use add_referenced_var.
2181 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2182 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2183 Use add_referenced_var.
2184 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2185 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2186 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2187 Use add_referenced_var.
2188 * tree-dfa.c (struct walk_state): Remove.
2189 (find_referenced_vars): Remove walk state and vars_found hash table.
2190 (make_rename_temp): Use add_referenced_var.
2191 (find_vars_r): Pass less parameters to add_referenced_var.
2192 (referenced_var_p): New. Is var in referenced_var hash table.
2193 (referenced_var_insert): Assert var isn't already in hash table.
2194 (add_referenced_var): Don't need walk_state parameter. Add var if it
2195 isn't already in the hash table.
2196 (add_referenced_tmp_var): Remove.
2197 (find_new_referenced_vars_1): Use add_referenced_var.
2198 * tree-ssa-pre.c (create_expression_by_pieces,
2199 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2200 Use add_referenced_var.
2201 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2202 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2203 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2205 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2206 vect_create_data_ref_ptr, vect_create_destination_var,
2207 vect_init_vector, vect_build_loop_niters,
2208 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2209 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2210 Use add_referenced_var.
2211 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2212 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2213 (add_referenced_var): Add prototype.
2214 * tree-ssa-structalias.c (get_constraint_for,
2215 intra_create_variable_infos): Use add_referenced_var.
2217 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2219 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2220 big-endian paradoxical subregs.
2221 * var-tracking.c (struct micro_operation_def): Document that,
2222 for modify micro operations, insn is the subsequent instruction.
2223 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2224 (var_reg_set, var_mem_set): ... new functions.
2225 (add_stores): Record subsequent insn.
2226 (compute_bb_dataflow): Use new functions for MO_USE.
2227 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2228 notes after the insn, and modify notes before the insn known
2229 to be the subsequent one.
2230 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2232 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2235 * config/i386/i386.c (ix86_expand_builtin): Use
2236 gen_sse3_monitor64 for TARGET_64BIT.
2238 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2240 PR rtl-optimization/26375
2241 PR rtl-optimization/26855
2242 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2244 (df_ru_bb_local_compute): Reversed statements and removed bogus
2245 comment explaining why they should be in wrong order.
2246 (df_ru_dump, df_rd_dump): Enhanced debug info.
2247 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2249 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2250 reaching uses and fixed space problem.
2252 2006-05-23 Jan Hubicka <jh@suse.cz>
2254 * cgraphunit.c (decide_is_function_needed): Also nested functions
2255 and functions declared inline can be optimized out at -O0.
2257 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2259 * doc/install.texi (Configuration): Remove reference to CrossGCC
2263 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2266 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2267 ix86_compare_emitted is non-NULL.
2269 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2272 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2275 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2277 PR rtl-optimization/25514
2278 * combine.c (replaced_rhs_insn): New variable.
2279 (combine_instructions): Set replaced_rhs_insn when trying to replace
2280 a SET_SRC with a REG_EQUAL note.
2281 (distribute_notes): Use replaced_rhs_insn when determining the live
2282 range of a REG_DEAD register.
2284 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2285 Anatoly Sokolov <aesok@post.ru>
2287 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2288 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2289 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2290 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2291 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2292 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2293 at90usb647, at90usb1286 and at90usb1287 devices.
2294 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2295 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2297 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2299 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2301 2006-05-22 Richard Guenther <rguenther@suse.de>
2304 2006-01-31 Richard Guenther <rguenther@suse.de>
2305 Paolo Bonzini <bonzini@gnu.org>
2307 * doc/install.texi (--disable-libgcc-math): Document.
2309 2006-05-22 Richard Guenther <rguenther@suse.de>
2312 2006-01-31 Richard Guenther <rguenther@suse.de>
2314 * doc/invoke.texi (-msselibm): Document.
2315 * target.h (expand_library_builtin): New target hook.
2316 * builtins.c (expand_builtin): Use expand_library_builtin.
2317 (default_expand_library_builtin): New function.
2318 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2319 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2320 (link_gcc_math_spec): Declare.
2321 (static_specs): Add link_gcc_math_spec.
2322 * expr.h (default_expand_library_builtin): Declare.
2323 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2324 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2325 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2326 * config/i386/i386.opt (msselibm): New target option.
2327 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2328 (ix86_init_sse_abi_builtins): New function.
2329 (ix86_expand_library_builtin): Likewise.
2330 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2331 (override_options): Handle error conditions wrt -msselibm.
2332 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2333 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2334 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2337 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2340 * c-common.c (self_promoting_args_p): Skip erroneous args.
2343 * c-decl.c (finish_struct): Skip erroneous fields.
2345 2006-05-22 Nick Clifton <nickc@redhat.com>
2347 * config/cris/cris.opt (march): Remove VarExists attribute.
2348 (max-stackframe=): Likewise.
2350 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2352 * doc/rtl.texi: Fix a typo.
2353 * see.c: Fix comment typos.
2355 * tree-ssa-structalias.h (alias_info): Remove num_references.
2357 2006-05-21 Mike Stump <mrs@apple.com>
2359 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2361 (darwin_pragma_options): Use BAD instead.
2362 (darwin_pragma_unused): Likewise.
2363 (darwin_pragma_ms_struct): Likewise.
2365 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2367 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2369 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2371 PR rtl-optimization/27671
2372 * simplify-rtx.c (simplify_relational_operation_1): Fix
2373 simplifications of (eq/ne (xor x y) y) and
2374 (eq/ne (xor x y) x).
2376 PR tree-optimization/26622.
2377 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2380 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2382 * tree-cfg.c: Prune whitespace.
2383 (debug_tree_cfg): Point to correct header containing the
2386 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2389 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2391 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2394 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2395 or sorry count is non zero.
2397 2006-05-20 Andreas Schwab <schwab@suse.de>
2399 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2401 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2402 Kenneth Zadeck <zadeck@naturalbridge.com>
2404 PR rtl-optimization/26855
2406 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2408 (df_scan_alloc): Added code to properly handle multiword hard
2409 registers and add all_blocks parameter.
2410 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2411 code to properly handle multiword hard registers.
2412 (df_rescan_blocks): Added code to remove deleted blocks from
2414 (df_ref_create_structure, df_ref_record): Added code to properly
2416 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2417 and set DF_REF_PARTIAL.
2418 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2419 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2420 (df_scan_add_problem): Added flags parameter.
2421 (df_ref_create_structure): Changed switching structure.
2422 (df_bb_refs_record): Fixed case where duplicate artificial refs
2423 were created. Changed location of flags.
2424 (df_record_entry_block_defs): Added code to make stack pointer
2425 live in entry block. Refined cases where frame pointer is needed.
2426 Changed location of flags.
2427 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2428 (df_set_state): Removed function.
2429 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2430 df_insn_create_insn_record, df_insn_refs_delete,
2431 df_ref_create_structure): Formatting changes.
2432 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2433 df_delete_basic_block): New function.
2434 (df_init): Changed location of flags.
2435 (df_add_problem): Added flags parameter and the way flags are
2437 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2438 debug_df_chain): Improved debugging output.
2439 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2440 (df_refs_chain_dump): Removed df parameter.
2441 (df_iterative_dataflow): Added consistency check.
2442 (df_prune_to_subcfg): Made public.
2443 (df_analyze_problem): Added blocks_to_init parameter and made
2445 (df_ref_record, df_bb_refs_record, df_mark_reg,
2446 df_record_exit_block_uses): Whitespace changes.
2447 (df_dump): Whitespace changes.
2448 * df.h: Some reordering to remove forward references.
2449 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2450 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2451 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2452 (dataflow.flags): New field.
2453 (df.flag): Deleted field.
2454 (df_alloc_function): Added additional bitmap parameter.
2455 (df_dependent_problem_function): New type.
2456 (df_problem.changeable_flags): New field.
2457 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2458 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2459 (df_mw_hardreg): New struct.
2460 (DF_INSN_UID_MWS): New macro.
2461 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2463 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2464 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2465 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2466 (df_set_state): Removed function.
2467 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2468 * df-problems.c (df_chain_dump): Removed df parameter.
2469 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2470 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2472 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2473 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2474 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2475 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2476 DF_REF_MUST_CLOBBER cases.
2477 (df_ru_bb_local_compute_process_def,
2478 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2479 df_lr_bb_local_compute, df_ur_bb_local_compute,
2480 df_chain_create_bb): Made subreg aware.
2481 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2482 df_lr_bb_local_compute, df_lr_bb_local_compute,
2483 df_chain_create_bb): Cleanup to use proper macros.
2484 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2485 code to fixup bitvectors.
2486 (df_ri_alloc): Cleared lifetime.
2487 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2488 df_create_unused_note): New function.
2489 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2490 REG_DEAD and REG_UNUSED notes as well as register information.
2491 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2492 df_chains_dump): Fixed crash if problem was never run.
2493 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2494 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2495 df_ri_add_problem): Processes flags in uniform manner.
2496 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2497 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2498 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2499 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2500 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2501 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2502 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2503 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2504 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2505 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2506 * see.c (see_initialize_data): Ditto.
2507 * final.c (rest_of_clean_state) Added regstack_completed.
2508 * rtl.h (regstack_completed): Ditto.
2509 * reg-stack.c (regstack_completed): Ditto.
2511 2006-05-19 Mike Stump <mrs@apple.com>
2513 * c-tree.h (default_conversion): Remove.
2514 * c-common.h (default_conversion): Add.
2516 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2518 * tree-vrp.c (valid_value_p): New function.
2519 (adjust_range_with_scev): Fail if the value of bound is not
2522 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2524 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2525 (mips_fallback_frame_state): Use syscall numbers to determine
2526 the appropriate li instruction for the current ABI. Only use
2527 __NR_sigreturn for o32.
2529 2006-05-19 Nicolas Setton <setton@adacore.com>
2531 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2532 * langhooks.c (lhd_dwarf_name): New function.
2533 * langhooks-def.h (lhd_dwarf_name): Declare.
2534 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2535 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2536 * ada/misc.c (gnat_dwarf_name): New function.
2537 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2539 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2541 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2543 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2544 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2545 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2546 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2547 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2548 determine the size of Wtype, etc.
2549 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2550 (swfloatfuncs): New variable.
2551 (dwfloatfuncs): Likewise.
2552 (lib2funcs): Remove floating-point conversion functions from
2553 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2554 the set of conversion routines needed. Allow entries to specify
2555 an object name, filename and word size. Update users accordingly.
2556 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2557 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2561 2006-02-08 Roger Sayle <roger@eyesopen.com>
2564 * config/fixtfdi.c: New libgcc source file.
2565 * config/fixunstfdi.c: New source file.
2566 * config/floatditf.c: New source file.
2567 * config/floatunditf.c: New souce file.
2568 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2569 files above instead of config/mips/_tilib.c.
2570 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2572 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2574 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2575 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2577 2006-05-18 Mike Stump <mrs@apple.com>
2579 Fix up vla, vm and [*] sematics.
2585 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2586 (c_vla_unspec_p): Add.
2587 (c_vla_type_p): Add.
2588 * c-decl.c (struct c_scope): Add had_vla_unspec.
2589 (build_array_declarator): Add support for [*].
2590 (grokdeclarator): Likewise.
2591 (grokparms): Likewise.
2592 (get_parm_info): Likewise.
2593 * c-objc-common.c (c_vla_unspec_p): Likewise.
2594 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2595 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2596 typeof when argument is a variably modified type not inside sizeof or alignof.
2597 (c_parser_direct_declarator_inner): Propagate errors.
2598 (c_parser_sizeof_expression): Add support for [*].
2599 (c_parser_parms_declarator): Initialize had_vla_unspec.
2600 (c_parser_parms_list_declarator): Likewise.
2601 * c-typeck.c (c_vla_type_p): Add.
2602 (composite_type): Add support for vla compositing.
2603 (comptypes_internal): Add support for vla compatibility.
2604 (c_expr_sizeof_expr): Evaluate vla arguments.
2605 * tree.c (variably_modified_type_p): Update comment for [*].
2607 2006-05-18 Michael Matz <matz@suse.de>
2610 * config.host: Make assignments to host_xmake_file cumulative.
2611 * config.host (*-darwin*): Test $host, not $target.
2613 2006-05-12 Stuart Hastings <stuart@apple.com>
2615 * config/i386/i386.opt (-mstackrealign): New flag.
2616 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2617 (ix86_handle_cconv_attribute): Emit error when
2618 force_align_arg_pointer attribute collides with too many regparms.
2619 (ix86_function_regparm): Limit regparms when used with
2620 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2621 Support stack-realigning prologue in non-main functions. Emit
2622 warning for nested functions under -mstackrealign, emit error for
2623 nested functions with force_align_arg_pointer attribute.
2624 * doc/extend.texi (force_align_arg_pointer): Document it.
2625 * doc/invoke.texi (-mstackrealign): Document it.
2627 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2629 PR rtl-optimization/27477
2630 * combine.c (try_combine): Don't split a parallel consisting
2631 of two sets into two individual sets if both sets reference
2634 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2636 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2637 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2639 * doc/options.texi (VarExists): Updated.
2641 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2643 * unwind-dw2.c: Add declarations for uw_update_context and
2645 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2646 detected, advance frame state and context once to skip over stub.
2648 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2652 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2653 Call rewrite_into_loop_closed_ssa only when something changed.
2654 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2655 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2656 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2657 Test for perfect_nest_p here. Fix formating.
2658 (replace_uses_equiv_to_x_with_y): Fix formating.
2659 (stmt_uses_op): Removed.
2660 (can_convert_to_perfect_nest): Removed loopivs parameter.
2661 Complete the test by checking the scalar dependences.
2662 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2665 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2668 From Dan Kegel <dank@kegel.com>:
2669 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2671 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2673 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2674 if the element type is variably modified without recursing.
2676 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2679 * tree-loop-linear.c (try_interchange_loops): Test for
2680 no data dependences.
2682 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2684 PR tree-optimization/27548
2685 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2686 range of ssa names that appear on abnormal edges.
2687 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2688 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2690 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2693 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2695 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2698 * tree.h (OMP_PARALLEL_COMBINED): Define.
2699 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2700 (new_omp_context): Add is_combined_parallel argument.
2701 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2702 new_omp_context caller.
2703 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2704 Adjust gimplify_scan_omp_clauses callers.
2705 (omp_is_private): Issue errors if iteration variable is firstprivate
2706 or reduction in the current context.
2707 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2708 on combined parallel workshare constructs.
2710 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2712 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2713 (gcc-options.o): New rule.
2715 * optc-gen.awk: Protect variables for gcc-options.o with
2716 #ifdef GCC_DRIVER/#endif.
2718 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2720 Fix PR tree-optimization/27373
2721 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2722 (forward_propagate_addr_expr): Update call.
2724 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2726 * doc/options.texi: Move the Negative option.
2728 2006-05-16 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/22303
2731 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2733 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2734 ccp_fold did not simplify the statement.
2736 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2739 * Makefile.in (GCC_OBJS): New.
2740 (OBJS-common): Add opts-common.o.
2741 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2742 (cpp$(exeext)): Likewise.
2743 (gcc.o): Also depend on opts.h.
2744 (opts-common.o): New.
2746 * common.opt (gcoff): Add Negative(gdwarf-2).
2747 (gdwarf-2): Add Negative(gstabs).
2748 (gstabs): Add Negative(gstabs+).
2749 (gstabs+): Add Negative(gvms).
2750 (gvms): Add Negative(gxcoff).
2751 (gxcoff): Add Negative(gxcoff+).
2752 (gxcoff+): Add Negative(gcoff).
2753 * config/i386/i386.opt (m32): Add Negative(m64).
2754 (m64): Add Negative(m32).
2756 * doc/options.texi: Document the Negative option.
2758 * gcc.c: Include "opts.h".
2759 (main): Call prune_options after expandargv.
2761 * optc-gen.awk: Generate common declarations for all flag
2762 variables in options.c. Output the neg_index field.
2764 * opts.c (find_opt): Moved to ...
2765 * opts-common.c: Here. New file.
2767 * opts.h (cl_option): Add a neg_index field.
2769 (prune_options): Likewise.
2771 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2774 * omp-low.c (expand_omp_parallel): Don't assert
2775 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2776 instead search for it.
2779 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2782 2006-05-16 Andreas Schwab <schwab@suse.de>
2784 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2787 2006-05-15 Roger Sayle <roger@eyesopen.com>
2790 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2791 integer constants other than zero are only legitimate on TARGET_64BIT.
2792 <CONST_VECTOR> Only zero vectors are legitimate.
2793 (ix86_cannot_force_const_mem): Integral and vector constants can
2794 always be put in the constant pool.
2796 2006-05-16 DJ Delorie <dj@redhat.com>
2798 * crtstuff.c (__dso_handle): Set section from
2799 TARGET_LBIGCC_SDATA_SECTION if defined.
2800 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2801 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2803 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2806 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2809 2006-05-16 Ben Elliston <bje@au.ibm.com>
2811 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2813 2006-05-15 Per Bothner <per@bothner.com>
2815 * tree.c: (last_annotated_node): Use source_locus typedef.
2816 This permits bootstrapping with --enable-mapped-location.
2818 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2820 PR tree-optimization/26830
2821 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2822 (info_for_ssa_name, current_info_for_ssa_name_age,
2823 blocks_to_update): New variables.
2824 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2825 (clear_ssa_name_info, initialize_flags_in_bb,
2826 mark_block_for_update): New functions.
2827 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2828 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2829 prepare_def_site_for): Use mark_block_for_update.
2830 (mark_def_interesting): Assert that the processed block is marked in
2831 blocks_to_update. Do not take blocks argument.
2832 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2834 (rewrite_update_init_block, rewrite_update_stmt): Only process
2835 blocks with statements to rewrite.
2836 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2837 (update_ssa): Initialize and free blocks_to_update. Do not
2838 clear flags on statements. Do not use blocks bitmap.
2839 * tree.h (SSA_NAME_AUX): Removed.
2840 (struct tree_ssa_name): Removed aux field.
2841 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2843 2006-05-15 Richard Guenther <rguenther@suse.de>
2845 PR tree-optimization/27603
2846 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2847 Do computations in original type.
2849 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2851 * see.c: Code style changes such as redundant paranthesis,
2852 redundant intialization of local variables etc.
2853 (see_main): Declared now as static.
2854 * doc/invoke.texi: Update that -fsee is not enabled by
2857 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2859 * omp-low.c (check_omp_nesting_restrictions): New function.
2860 (scan_omp_1): Call it.
2863 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2864 construct, return *VAR.
2866 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2868 PR rtl-optimization/27406
2869 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2872 2006-05-14 Roger Sayle <roger@eyesopen.com>
2874 PR rtl-optimization/27538
2875 * combine.c (expand_compound_operation): Call gen_lowpart
2876 before calling simplify_shift_const.
2878 2006-05-14 Roger Sayle <roger@eyesopen.com>
2880 PR rtl-optimization/22563
2881 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2882 a fixed width bitfield, always force the intermediates into psuedos.
2884 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2887 * mkconfig.sh: Use operator = instead of == for test.
2889 2006-05-13 Nick Clifton <nickc@redhat.com>
2891 * dwarf2out.c (dbx_reg_number): Check return value from
2892 LEAF_REG_REMAP and only use it if it is valid.
2893 (multiple_reg_loc_descriptor): Likewise.
2895 2006-05-13 Richard Guenther <rguenther@suse.de>
2897 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2900 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2902 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2903 information attached to non-INSNs such as NOTEs.
2904 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2906 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2908 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2910 * config/s390/s390.md: Adjust comment describing On constraint.
2912 2006-05-11 Jan Hubicka <jh@suse.cz>
2914 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2915 to be output at -O0.
2917 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2920 * fold-const.c (size_binop): Move sanity check for arguments to
2921 the beginning of the function.
2924 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2927 2006-05-11 Richard Guenther <rguenther@suse.de>
2930 * fold-const.c (fold_unary): Handle intermediate conversion
2931 to a pointer type like intermediate conversion to an integer
2932 type in folding of (T1)(T2)var to var.
2933 Match the code to the comment in the final conversion for
2934 (T1)(T2)var to (T1)var regarding to type precision. Rather
2935 than disallow T1 being of pointer type, assert that both T1
2936 and var are of pointer type or not. Make sure not to fall
2937 over the frontends lazyness wrt array to pointer decay though.
2939 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2941 * arm.c (arm_struct_value_rtx): Delete.
2942 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2943 (arm_init_cumulative_args): Always initialize nregs to zero.
2945 2006-05-10 Richard Guenther <rguenther@suse.de>
2947 PR tree-optimization/27532
2948 * tree-object-size.c (plus_expr_object_size): Fix typo.
2950 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2953 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2954 ashrdi_const, ashrdi3): Use a scratch register.
2956 2006-05-10 Richard Guenther <rguenther@suse.de>
2958 PR tree-optimization/27302
2959 * fold-const.c (operand_equal_p): For two comparisons,
2960 try comparison of one comparison code swapped if that yields
2963 2006-05-10 Ben Elliston <bje@au.ibm.com>
2965 * tree-pretty-print.c (pretty_print_string): No need to handle
2966 '\0' as a special character.
2968 * tree.h: Include "hashtab.h".
2969 (iterative_hash_expr): Use hashval_t in its prototype.
2970 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2972 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2975 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2976 (hppa*64*-*-hpux11*): Ditto.
2977 (hppa[12]*-*-hpux11*): Ditto.
2979 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2982 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2984 2006-05-09 Michael Matz <matz@suse.de>
2986 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2987 host_extra_gcc_objs and host_xmake_file.
2988 (<*-*-linux*>): Don't overwrite host_xmake_file.
2989 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2990 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2991 (host_detect_local_cpu): Declare.
2992 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2993 * config/i386/i386.c (override_options): Handle -mtune=native
2995 * config/i386/x-i386: New file.
2996 * config/i386/driver-i386.c: New file.
2997 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3000 2006-05-09 Dirk Mueller <dmueller@suse.de>
3001 Richard Guenther <rguenther@suse.de>
3004 * fold-const.c (fold_read_from_constant_string): Relax check
3005 for matching types to matching modes.
3007 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3009 PR rtl-optimization/27335
3010 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3013 2006-05-08 Chao-ying Fu <fu@mips.com>
3014 Richard Sandiford <richard@codesourcery.com>
3016 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3017 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3018 * config/mips/mips.md (UNSPEC_SCC): New constant.
3019 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3020 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3021 (mips_emit_compare): Use it.
3022 (mips_expand_vcondv2sf): New function.
3024 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3026 Fix PR tree-optimization/27093
3027 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3028 renaming when they become not-used_alone.
3030 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3032 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3033 relocation and relocation stubs.
3035 2006-05-08 Eric Christopher <echristo@apple.com>
3037 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3040 2006-05-08 Jan Hubicka <jh@suse.cz>
3043 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3044 unused static functions are needed.
3046 2006-05-08 Roger Sayle <roger@eyesopen.com>
3049 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3050 of a reg_equiv_constant if the result is a legitimate constant.
3052 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3055 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3056 standard 80387 constants, raise the cost to prevent
3057 compress_float_constant() to generate load from memory.
3059 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3061 * config/arm/constraints.md (c): Fix a typo.
3063 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3066 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3069 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3071 (_mm_mwait): Likewise.
3073 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3075 (sse3_monitor): Make it 32bit only.
3076 (sse3_monitor64): New. 64bit monitor.
3078 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3081 * config/i386/i386.c (classify_argument): Skip fields with invalid
3084 2006-05-07 Richard Guenther <rguenther@suse.de>
3086 PR tree-optimization/27409
3087 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3088 Do not try to find zero-sized subvars.
3090 2006-05-07 Richard Guenther <rguenther@suse.de>
3092 PR tree-optimization/27136
3093 * tree-ssa-loop-niter.c (get_val_for): Correct function
3094 comment, assert requirements.
3095 (loop_niter_by_eval): Stop processing if the iterated
3096 value did not simplify.
3098 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3100 * opts.c (flag_see): remove its setting at -O3.
3102 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3104 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3105 * arm/constraints.md: New file.
3106 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3107 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3108 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3109 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3110 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3111 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3112 * arm.md: Include constraints.md.
3113 (thumb_movsi_insn): Use satisfies_constraint_J.
3114 (movhi, movqi): Use satisfies_constraint_I.
3116 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3118 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3119 for atmeg a645 device.
3121 2006-05-06 Richard Guenther <rguenther@suse.de>
3123 PR tree-optimization/27151
3124 * tree-vect-transform.c (vectorizable_condition): Punt on
3125 values that have a different type than the condition.
3127 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3130 * c-parser.c (c_parser_cast_expression): Only insert casts into
3131 hash table if pointer.
3132 * function.c (used_types_insert_helper): Rename from
3134 (used_types_insert): Call used_types_insert_helper.
3135 * function.h (used_types_insert): Accept only one argument.
3137 2006-05-05 David Edelsohn <edesohn@gnu.org>
3139 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3140 scratch with output modifier.
3142 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3145 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3146 with output modifier.
3148 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3151 * config/mips/mips.c (mips_symbolic_address_p): Return true
3152 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3153 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3155 2006-05-04 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/14287
3158 PR tree-optimization/14844
3159 PR tree-optimization/19792
3160 PR tree-optimization/21608
3161 PR tree-optimization/27090
3162 * tree-ssa-pre.c (try_combine_conversion): New function.
3163 (compute_avail): After constructing the value-handle
3164 expression, use try_combine_conversion to combine NOP_EXPRs
3165 with previous value-handle expressions and use the result if it
3168 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3170 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3172 2006-05-04 Jan Hubicka <jh@suse.cz>
3175 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3177 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3179 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3180 that this only matches CONST_INTs. All users changed to VOIDmode
3183 * config/bfin/bfin.c: Include "optabs.h".
3184 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3186 (enum bfin_builtins): Add a number of fractional and vector builtins.
3187 (bfin_init_builtins): Likewise.
3188 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3189 (safe_vector_operand, bfin_expand_binop_builtin,
3190 bfin_expand_unop_builtin): New functions.
3191 (bfin_expand_builtin): Handle the new builtins.
3192 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3195 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3198 * Makefile.in (OBJS-common): Add see.o.
3199 (see.o): Add dependencies.
3200 * common.opt (fsee): New flag for the see optimization was added.
3201 * opts.c (flag_see): Initialized.
3202 * passes.c (init_optimization_passes, pass_see): New pass.
3203 * rtl.h (see_main): Declaration as extern.
3204 * timevar.def (TV_SEE): New.
3205 * tree-pass.h (pass_see): Declaration as extern.
3206 * invoke.texi (-fsee): Document.
3207 * recog.c (validate_simplify_insn): New function.
3208 * recog.h (validate_simplify_insn): Declaration as extern.
3209 * df-problems.c (df_chain_dump): Check for NULL.
3211 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3212 Daniel Berlin <dberlin@dberlin.org>
3214 * cfgrtl.c (insert_insn_bb_end_new): New function.
3215 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3217 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3219 * df.h (struct web_entry): Moved from web.c.
3220 (union_defs): Declaration as extern.
3221 (unionfind_root): Likewise.
3222 (unionfind_union): Likewise.
3223 * web.c (struct web_entry): Moved to df.h.
3224 (unionfind_root): Remove static declaration.
3225 (unionfind_union): Likewise.
3226 (union_defs): Likewise and generalize to use callback function.
3227 (web_main): Update arguments for union_defs function call.
3229 2006-05-04 Richard Guenther <rguenther@suse.de>
3231 PR tree-optimization/26447
3232 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3233 produce SSA_NAME copies before the store stmt to avoid
3234 breaking exception handling.
3236 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3239 * gimplify.c (omp_is_private): If var is shared in some outer context,
3240 return false instead of true. Stop searching on parallel context
3243 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3246 * coverage.c: Use get_gcov_unsigned_t() instead of
3247 unsigned_type_node all over.
3249 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3251 PR tree-optimization/27381
3252 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3253 maintain the same immediate_use links.
3254 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3255 node rather than segfaulting.
3257 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3260 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3261 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3262 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3264 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3266 Fix PR tree-optimization/26626
3267 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3269 * tree-ssa-operands.c (access_can_touch_variable): Allow
3270 typecasting through union pointers.
3272 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3275 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3276 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3277 to find if var will be a global variable even in the nested context.
3278 (omp_copy_decl): Only check for global variable at the end, it might
3279 be overridden in outer contexts.
3280 (scan_sharing_clauses): For global variables don't create a field.
3281 (lower_rec_input_clauses): Do nothing for global shared variables.
3282 Emit a barrier at the end of ILIST if there were any decls in both
3283 firstprivate and lastprivate clauses.
3284 (lower_send_clauses): Do nothing for global variables except for
3287 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3289 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3290 of the correct signedness is returned.
3292 2006-05-02 Jeff Law <law@redhat.com>
3294 PR tree-optimization/27364
3295 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3296 multiply expressions.
3298 2006-05-02 Tom Tromey <tromey@redhat.com>
3300 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3302 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3305 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3306 -mthumb -fPIC are used.
3308 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3309 Joshua Kinard <kumba@gentoo.org>
3312 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3313 with 64-bit pointers.
3315 2006-05-02 Paul Brook <paul@codesourcery.com>
3317 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3319 (create_fix_barrier): Check that a suitable barrier location is
3321 (arm_reorg): Include ftmp->address in allowable range of addresses.
3323 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3326 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3329 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3332 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3333 around RESULT_DECL for result passed by reference.
3334 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3335 * omp-low.c (use_pointer_for_field): Don't look at
3336 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3337 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3338 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3339 time or var for passing by reference for
3340 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3341 TREE_ADDRESSABLE variables when passing by reference.
3343 * omp-low.c (dump_omp_region): Fix output formatting.
3346 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3347 (expand_omp_parallel): Likewise.
3348 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3351 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3352 on statement list containing also constructors and destructors.
3353 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3356 * except.c (duplicate_eh_regions): Fix clearing of
3357 cfun->eh->region_array entries.
3359 2006-05-01 DJ Delorie <dj@redhat.com>
3361 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3363 (gcc_cv_objdump): Likewise.
3364 * configure: Regenerated.
3366 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3369 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3370 templates for case 3 and 4.
3372 2006-05-01 DJ Delorie <dj@redhat.com>
3374 * vec.c: Include bconfig.h when appropriate.
3375 * Makefile.in (build/vec.o): Adjust dependencies.
3376 * mkconfig.sh: Make sure config.h isn't used for build machine
3379 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3381 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3383 (mark_phi_for_rewrite): New function.
3384 (insert_phi_nodes_for, mark_use_interesting): Call
3385 mark_phi_for_rewrite.
3386 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3387 (update_ssa): Initialize and free phis_to_rewrite.
3389 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3391 PR rtl-optimization/27291
3392 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3393 folded to a constant.
3395 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3397 PR tree-optimization/27283
3398 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3399 not whole # of iteration descriptions.
3400 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3401 uses abnormal ssa name.
3402 (niter_for_single_dom_exit): Ditto.
3403 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3404 return just the number of iterations.
3406 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3408 PR tree-optimization/27144
3409 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3410 (record_estimate): Only record constant upper bound.
3411 (infer_loop_bounds_from_undefined): Call
3412 compute_estimated_nb_iterations just once.
3413 (proved_non_wrapping_p): Renamed to ...
3414 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3415 (convert_step_widening, scev_probably_wraps_p): Call
3416 n_of_executions_at_most instead of proved_non_wrapping_p.
3417 (substitute_in_loop_info): Do not replace values in bounds.
3418 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3421 2006-05-01 Richard Henderson <rth@redhat.com>
3424 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3425 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3428 2006-05-01 Roger Sayle <roger@eyesopen.com>
3430 * c-typeck.c (parser_build_binary_op): Don't call the function
3431 unsigned_conversion_warning to spot operand/result type overflow.
3432 (build_binary_op): Instead, call convert_and_check instead of
3433 convert to report the problem when the operands are promoted.
3434 * c-common.c (unsigned_conversion_warning): Make static.
3435 * c-common.h (unsigned_conversion_warning): Delete prototype.
3437 2006-05-01 Richard Guenther <rguenther@suse.de>
3439 PR tree-optimization/26726
3440 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3442 (find_interesting_uses_address): ... we work around here
3443 by folding INDIRECT_REFs in the substituted base.
3445 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3447 * omp-low.c (dump_omp_region): Add newlines.
3449 2006-04-30 Roger Sayle <roger@eyesopen.com>
3451 * common.opt (Woverflow): New command line option.
3452 * c-common.c (constant_expression_warning): Check warn_overflow.
3453 (overflow_waring): Pass OPT_Woverflow to warning.
3454 (unsigned_conversion_warning): Likewise.
3455 (convert_and_check): Likewise.
3456 * doc/invoke.texi: Document new command line option.
3458 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3460 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3461 TARGET_NO_FP_IN_TOC for section anchors.
3462 (optimization_options): Enable section anchors for all
3463 non-"Objective" languages.
3465 2006-04-28 Eric Christopher <echristo@apple.com>
3467 * config/darwin-c.c (darwin_ms_struct): Move this
3468 (darwin_set_default_type_attributes): and this...
3469 * config/darwin.c: ... here.
3470 * config/darwin.h (darwin_ms_struct): Declare.
3472 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3476 2006-04-28 Roger Sayle <roger@eyesopen.com>
3479 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3480 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3481 an unsigned HOST_WIDE_INT.
3482 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3484 (really_start_incremental_init): No need to call convert because
3485 bitsize_zero_node is already of type bitsizetype.
3486 (push_init_level): Extract the value of constructor_index as an
3487 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3488 (process_init_element): Likewise.
3490 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3492 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3493 value before passing to make_relative_prefix.
3495 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3498 * builtins.c (expand_builtin_memset): Expand val in original mode.
3500 2006-04-27 Eric Christopher <echristo@apple.com>
3502 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3503 with #ifndef/#endif.
3504 * config/darwin-c.c (darwin_ms_struct): New.
3505 (darwin_pragma_ms_struct): Ditto.
3506 (darwin_set_default_type_attributes): Ditto.
3507 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3508 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3509 Register ms_struct pragma.
3510 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3511 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3512 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3513 darwin_set_default_type_attributes if TARGET_MACHO.
3515 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3517 PR tree-optimization/26854
3518 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3519 * doc/tree-ssa.texi: Update immuse iterator documentation.
3520 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3521 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3522 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3523 first_safe_imm_use, next_safe_imm_use): Remove.
3524 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3525 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3526 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3527 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3528 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3529 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3530 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3531 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3532 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3533 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3534 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3535 (perfect_nestify): Use new iterator.
3536 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3538 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3539 (next_imm_name): New field in struct immediate_use_iterator_d.
3540 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3541 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3542 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3543 * tree-cfg.c (replace_uses_by): Use new iterator.
3544 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3545 * tree-ssa-operands.c (correct_use_link): Remove.
3546 (finalize_ssa_use_ops): No longer call correct_use_link.
3548 2006-04-27 Stuart Hastings <stuart@apple.com>
3550 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3551 * config/t-darwin (crt3.o): Use it.
3552 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3553 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3554 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3555 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3556 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3559 2006-04-27 Roger Sayle <roger@eyesopen.com>
3561 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3562 size, force the intermediate into a new pseudo rather instead of
3563 performing both a bitwise AND and a bitwise IOR in memory.
3565 2006-04-27 Richard Guenther <rguenther@suse.de>
3567 PR rtl-optimization/26685
3568 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3569 this one "max-flow-memory-locations".
3571 2006-04-27 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/25148
3574 * tree-vrp.c (compare_values): Remove code dealing with
3575 comparisons against type min/max value. Honour overflow
3576 and negative constants in code dealing with comparisons
3577 of plus and minus expressions.
3578 (value_inside_range): Use fold_binary with LE_EXPR and
3579 GE_EXPR rather than compare_values.
3581 2006-04-27 Dirk Mueller <dmueller@suse.de>
3583 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3586 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3588 * basic-block.h (safe_insert_insn_on_edge): Removed.
3589 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3591 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3592 Paolo Bonzini <bonzini@gnu.org>
3595 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3596 (simplify_and_const_int): Same.
3598 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3600 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3602 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3605 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3606 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3607 cgraph_global_info_ready.
3610 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3613 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3614 either decl or init is error_mark_node.
3617 * tree-flow.h (struct omp_region): Add sched_kind.
3618 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3619 instead of extracting omp for data.
3620 (expand_omp_for): Save extracted sched_kind.
3622 2006-04-25 Roger Sayle <roger@eyesopen.com>
3624 * expmed.c (store_bit_field): Also check whether the bitsize is
3625 valid for the machine's "insv" instruction before moving the
3626 target into a pseudo for use with the insv.
3627 * config/i386/predicates.md (const8_operand): New predicate.
3628 * config/i386/i386.md (extv, extzv, insv): Use the new
3629 const8_operand predicate where appropriate.
3631 2006-04-25 DJ Delorie <dj@redhat.com>
3633 * doc/install.texi (Specific): Clarify that this is not a list of
3634 supported hosts or targets.
3636 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3638 PR rtl-optimization/26725
3639 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3640 block's BB_DIRTY flag.
3642 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3644 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3647 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3648 to print an integer.
3650 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3652 * varasm.c (align_variable): New function.
3653 (get_block_for_decl): Apply align_variable to DECL before
3654 calculating section information.
3655 (assemble_variable): Split out alignment computation.
3657 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3659 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3662 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3664 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3665 MODE_PARTIAL_INT mode.
3666 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3667 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3669 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3670 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3672 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3674 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3676 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3677 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3678 MACFLAG_IH): Likewise.
3679 (movstricthi_1): Renamed from "*movstricthi".
3680 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3681 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3682 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3683 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3684 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3685 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3686 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3687 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3688 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3689 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3690 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3691 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3692 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3693 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3694 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3696 * doc/rtl.texi (ss_ashift): Improve wording.
3698 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3700 * dwarf2out.c (verify_marks_clear): New.
3701 (prune_unused_types): Call verify_marks_clear initially, not
3704 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3706 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3707 * doc/rtl.texi: Document them.
3708 * simplify-rtx.c (simplify_unary_operation,
3709 simplify_binary_operation_1): Don't abort when we see them.
3711 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3714 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3715 * configure.ac: Completely disregard languages that are not
3717 * configure: Regenerated.
3719 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3720 Richard Guenther <rguenther@suse.de>
3722 PR tree-optimization/27236
3723 * tree-inline.c (copy_body_r): Make sure to copy
3724 TREE_THIS_VOLATILE flag.
3726 2006-04-24 Richard Guenther <rguenther@suse.de>
3729 * tree-complex.c (update_parameter_components): Don't handle
3730 unused parameters which have no default def.
3732 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3733 Richard Guenther <rguenther@suse.de>
3735 PR tree-optimization/27218
3736 * tree-inline.c (expand_call_inline): Strip useless type
3737 conversions for the return slot address.
3739 2006-04-24 Richard Guenther <rguenther@suse.de>
3741 * cfgloop.h (struct loops): Remove unused field array. Reorder
3743 (LOOP_PREFETCH): Remove.
3745 2006-04-24 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/22525
3748 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3749 variable, adjust types of generated expressions.
3751 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3753 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3754 (tree-vect-patterns.o): Likewise.
3756 (cselib.o): Likewise.
3757 (loop-doloop.o): Likewise.
3758 (regclass.o): Likewise.
3759 (reload1.o): Likewise.
3760 (explow.o): Replace target.h with $(TARGET_H).
3761 (ipa-prop.o): Likewise.
3762 (ipa-cp.o): Likewise.
3763 (ipa-inline.o): Likewise.
3764 (reorg.o): Likewise.
3765 (reg-stack.o): Likewise.
3767 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3769 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3771 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3773 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3775 * configure.ac: Completely disregard languages that are not
3777 * configure: Regenerated.
3780 * c-common.h (c_build_bitfield_integer_type): Declare.
3781 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3782 * c-common.c (c_build_bitfield_integer_type): ... here.
3784 2006-04-23 Roger Sayle <roger@eyesopen.com>
3787 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3788 a SImode SUBREG of a floating point register after no_new_pseudos.
3790 2006-04-23 Roger Sayle <roger@eyesopen.com>
3792 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3793 identify potentially eliminable registers to additionally catch
3794 VIRTUAL_INCOMING_ARGS_REGNUM.
3795 (addsi3): Update the conditions on when to use addsi_small_int.
3797 2006-04-23 Roger Sayle <roger@eyesopen.com>
3800 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3801 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3802 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3804 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3806 * fold-const.c (range_predecessor): Use operand_equal_p
3807 as the predicate for equality.
3808 (range_successor): Likewise.
3810 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3813 * config/soft-fp/op-common.h: Fix a typo.
3815 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3818 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3819 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3821 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3823 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3825 * doc/tm.texi: Fix a typo.
3827 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3829 * dwarf2out.c (struct die_struct): Document that die_sib makes
3830 a circular linked list.
3831 (FOR_EACH_CHILD): New.
3832 (reverse_die_lists): Delete.
3833 (reverse_all_dies): Delete.
3834 (add_dwarf_attr): Correct documentation.
3835 (remove_child_with_prev): New.
3836 (remove_child_TAG): Update for change to die_struct, use
3837 remove_child_with_prev.
3838 (add_child_die): Update for change to die_struct.
3839 (splice_child_die): Use remove_child_with_prev and add_child_die.
3840 (print_die): Use FOR_EACH_CHILD.
3841 (die_checksum): Likewise.
3842 (assign_symbol_names): Likewise.
3843 (output_location_lists): Likewise.
3844 (build_abbrev_table): Likewise.
3845 (calc_die_sizes): Likewise.
3846 (mark_dies): Likewise.
3847 (unmark_dies): Likewise.
3848 (unmark_all_dies): Likewise.
3849 (output_die): Likewise.
3850 (prune_unused_types_mark): Likewise.
3851 (prune_unused_types_walk): Likewise.
3852 (same_die_p): Update for change to die_struct.
3853 (break_out_includes): Likewise.
3854 (prune_unused_types_prune): Likewise.
3855 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3856 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3858 (dwarf2out_finish): Don't call reverse_all_dies.
3860 2006-04-21 Eric Christopher <echristo@apple.com>
3862 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3863 in comments and function names.
3865 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3868 * c-typeck.c (digest_init): Robustify.
3870 * c-typeck.c (pop_init_level): Simplify.
3872 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3874 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3876 2006-04-21 Paul Brook <paul@codesourcery.com>
3878 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3879 hardware floating point.
3881 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3883 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3886 2006-04-21 Nick Clifton <nickc@redhat.com>
3888 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3891 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3894 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3895 C++ lang type in traceback table for Objective-C++.
3897 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3899 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3901 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3903 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3906 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3907 were errors. Remove check for erroneous objects.
3909 2006-04-20 Jeff Law <law@redhat.com>
3911 PR tree-optimization/26854
3912 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3913 checking for zero or one use.
3914 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3915 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3916 * tree-ssa-reassoc.c (negate_value): Similarly.
3917 (reassociate_bb): Similarly.
3919 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3921 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3922 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3923 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3925 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3927 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3928 fp regs if the last fp arg doesn't fit in regs.
3930 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3933 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3934 that the last insn has the REG_INC note.
3936 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3937 Nathan Sidwell <nathan@codesourcery.com>
3940 * stor-layout.c (update_alignment_for_field): Do not align
3942 (place_union_field): Place union field at the start of the union.
3943 (place_field): Move ERROR_MARK check later, and use the current
3944 allocation position to maintain monotonicity.
3946 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3948 * dominance.c: Include timevar.h.
3949 (calculate_dominance_info): Use TV_DOMINANCE.
3950 * timevar.def (TV_DOMINANCE): New timevar.
3951 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3953 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3955 PR rtl-optimization/14261
3956 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3957 move would be an INSV insn.
3958 (noce_process_if_block): Don't optimize if the destination is a
3959 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3961 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3963 * config/s390/s390.md: Add comments with the instructions emitted
3964 by an insn pattern if macros are used.
3966 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3968 PR rtl-optimization/26026
3969 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3970 is a known power of two shifted left a variable amount.
3972 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3974 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3975 to hash table twice when the debug_str section has SECTION_MERGE.
3977 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3979 * config/soft-fp: New directory. From glibc.
3980 * config/soft-fp/t-softfp: New.
3981 * config/soft-fp/README: New.
3982 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3983 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3984 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3985 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3986 * config.gcc: Use rs6000/t-fprules-fpbit or
3987 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3989 * config/rs6000/sfp-machine.h: New. Based on glibc.
3990 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3992 * config/rs6000/t-fprules: Remove fp-bit rules.
3993 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3994 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3995 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3996 (softfp_wrap_start, softfp_wrap_end): New.
3998 2006-04-18 DJ Delorie <dj@redhat.com>
4000 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4002 2006-04-18 Devang Patel <dpatel@apple.com>
4004 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4006 2006-04-18 Nick Clifton <nickc@redhat.com>
4008 * config/sh/t-symbian: Add rule to build sh-c.o
4009 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4010 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4011 (sh_symbian_encode_section_info): Likewise.
4013 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4015 * builtins.c (expand_builtin_strcmp): Cover label definition of
4016 do_libcall with HAVE_cmpstrnsi.
4018 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4020 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4022 * function.h (temp_slot_p): New.
4023 (function): Change the type of x_used_temp_slots to
4024 VEC(temp_slot_p,gc) *.
4026 2006-04-18 Nick Clifton <nickc@redhat.com>
4028 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4029 flag_strength_reduce.
4031 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4033 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4037 Partial revert of revision 112637
4038 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4039 Dale Johannesen <dalej@apple.com>
4042 * regclass.c (struct reg_pref): Update documentation.
4043 (regclass): Set prefclass to NO_REGS if memory is the best option.
4044 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4046 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4048 PR tree-optimization/26821
4049 * tree-ssa-math-opts.c (get_constant_one): New.
4050 (insert_reciprocals): Use it.
4052 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4054 * dwarf2out.c (free_AT): Delete.
4055 (remove_AT): Update string ref counts.
4056 (remove_child_TAG): Don't call free_die.
4058 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4059 or DW_TAG_GNU_EINCL.
4060 (prune_unused_types_walk_attribs): Reset string refcounts.
4061 (prune_unused_types_update_strings): New.
4062 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4063 call free_die. Do call prune_unused_types_update_strings.
4064 (prune_unused_types): Empty debug_str_hash.
4066 2006-04-17 Roger Sayle <roger@eyesopen.com>
4068 * expr.c (expand_assignment): Optimize away no-op moves where the
4069 source and destination are equal and have no side-effects.
4071 2006-04-17 Richard Guenther <rguenther@suse.de>
4074 * reload.c (push_reload): Guard calls to get_secondary_mem
4077 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4079 * alias.c (reg_base_value, old_reg_base_value): Change the
4080 type to VEC(rtx,gc) *.
4081 (REG_BASE_VALUE, find_base_value, record_set,
4082 init_alias_analysis): Use VEC instead of VARRAY.
4084 * alias.c (alias_sets): Change the type to
4085 VEC(alias_set_entry,gc) *.
4086 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4087 VEC instead of VARRAY.
4088 (last_alias_set): Remove.
4090 * cgraph.h (cgraph_edge_p): New.
4091 Update the prototype of cgraph_function_versioning.
4092 * cgraphunit.c (cgraph_copy_node_for_versioning,
4093 cgraph_function_versioning): Use VEC instead of VARRAY.
4094 * ipa-cp.c (ipcp_insert_stage): Likewise.
4096 2006-04-16 Roger Sayle <roger@eyesopen.com>
4099 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4100 "A op B" or "A op C", we may need to convert A to the type of B and C.
4102 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4104 * target.h (struct gcc_target): Add mode_rep_extended.
4105 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4106 (init_num_sign_bit_copies_in_rep): Initialize it using
4108 (truncate_to_mode): Use it.
4109 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4110 * targhooks.h (default_mode_rep_extended): Declare it.
4111 * targhooks.c (default_mode_rep_extended): Define it.
4112 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4113 default_mode_rep_extended.
4114 (TARGET_INITIALIZER): Include it.
4115 * doc/tm.texi (Misc): Document it.
4116 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4117 (mips_truncated_to_mode): New function.
4119 2006-04-16 Roger Sayle <roger@eyesopen.com>
4122 * expr.c (compress_float_constant): Copy the narrow constant into
4123 a new pseudo before extending it to its final width.
4125 2006-04-16 Roger Sayle <roger@eyesopen.com>
4126 Andrew Pinski <pinskia@gcc.gnu.org>
4127 Dale Johannesen <dalej@apple.com>
4130 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4131 special case code to implement V8HImode and V16QImode with SSE2.
4133 2006-04-15 Roger Sayle <roger@eyesopen.com>
4135 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4136 trees are constructed with a suitable tree type.
4138 2006-04-15 Roger Sayle <roger@eyesopen.com>
4140 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4141 (integer_onep): Likewise.
4142 (integer_all_onesp): Likewise.
4143 (integer_pow2p): Likewise.
4144 (integer_nonzerop): Likewise.
4145 (real_zerop): Likewise.
4146 (real_onep): Likewise.
4147 (real_twop): Likewise.
4148 (real_minus_onep): Likewise.
4149 (int_size_in_bytes): Likewise.
4150 (host_integerp): Likewise.
4152 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4154 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4155 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4156 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4158 * tree-ssa-structalias.h (alias_info): Remove num_references.
4160 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4162 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4163 (output_bvb patterns): Likewise.
4164 * pa.c (output_bb): Use 'bb' insn for long branch case.
4165 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4166 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4167 1. Correct length operand for alternatives 1 and 2.
4168 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4169 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4171 2006-04-14 Roger Sayle <roger@eyesopen.com>
4173 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4174 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4175 were accidentally reverted by r112959.
4177 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4180 * except.h (eh_region_outermost): New prototype.
4181 * except.c (eh_region_outermost): New function.
4182 * tree-cfg.c (find_outermost_region_in_block): Use it.
4184 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4186 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4188 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4189 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4190 (init_reload, reload): Use VEC instead of VARRAY.
4191 * reload.h: Update the prototype for
4192 reg_equiv_memory_loc_varray.
4194 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4195 Eric Botcazou <ebotcazou@libertysurf.fr>
4197 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4200 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4203 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4204 to expand fallback builtin function call.
4206 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4209 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4210 and emit libcall here in case the builtin fails.
4211 (expand_builtin_strcmp): Always emit the libcall here on failure.
4213 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4215 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4216 * flow.c (reg_n_info): Change the type to
4217 VEC(reg_info_p,heap) *.
4218 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4220 * regs.h (reg_info_p): New.
4221 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4222 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4223 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4226 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4228 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4230 * params.h (MAX_SCHED_READY_INSNS): New macro.
4231 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4232 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4233 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4234 the ready list for 1 cycle during the first scheduling pass.
4235 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4237 2006-04-13 Richard Henderson <rth@redhat.com>
4240 * gimple-low.c (lower_omp_directive): Remove dead code.
4241 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4242 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4243 * omp-low.c (struct omp_region): Move to tree-flow.h.
4244 (root_omp_region): Export.
4245 (omp_regions, lookup_omp_region): Remove.
4246 (determine_parallel_type): Update for struct omp_region changes.
4247 (dump_omp_region): Dump regions with block numbers.
4248 (new_omp_region): Take type and block instead of stmt; malloc
4250 (free_omp_region_1, free_omp_regions): New.
4251 (expand_parallel_call): Take entry_stmt as argument; update for
4252 changes to omp_region.
4253 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4254 (remove_exit_barriers): New.
4255 (expand_omp_parallel): Update for struct omp_region changes.
4256 (expand_omp_synch): Likewise.
4257 (expand_omp): Likewise.
4258 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4259 (expand_omp_for_static_chunk): Likewise.
4260 (expand_omp_for): Likewise.
4261 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4262 (expand_omp_sections): Similarly, with GOMP_sections_end.
4263 (expand_omp_single): New.
4264 (build_omp_regions_1): Update for OMP_CONTINUE.
4265 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4266 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4267 OMP_SECTIONS_SECTIONS.
4268 (lower_omp_single_simple): Don't emit barrier here.
4269 (lower_omp_single_copy): Likewise.
4270 (lower_omp_single): Fix bindings, and lower to straightline now.
4271 (lower_omp_master, lower_omp_ordered): Likewise.
4272 (lower_omp_critical): Likewise.
4273 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4274 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4275 omp edges, free it afterward.
4276 (make_omp_sections_edges): Remove.
4277 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4278 (move_stmt_r): Handle OMP_CONTINUE.
4279 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4280 statement pointers to basic blocks. Add type member.
4281 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4282 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4283 * tree-inline.c (estimate_num_insns_1): Likewise.
4284 * tree-pretty-print.c (dump_generic_node): Likewise.
4285 * tree-ssa-operands.c (get_expr_operands): Likewise.
4286 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4287 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4288 (OMP_CONTINUE): New.
4289 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4290 (OMP_SECTIONS_SECTIONS): Remove.
4291 (OMP_SECTION_LAST): New.
4292 (OMP_RETURN_NOWAIT): New.
4294 2006-04-13 Roger Sayle <roger@eyesopen.com>
4296 * fold-const.c (native_encode_vector, native_interpret_real):
4297 Correct obvious mistakes in the previous check-in.
4299 2006-04-13 Roger Sayle <roger@eyesopen.com>
4301 * fold-const.c (native_encode_expr): New function to encode
4302 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4303 or VECTOR_CST into a specified buffer.
4304 (native_encode_int): New function.
4305 (native_encode_real): New function.
4306 (native_encode_complex): New function.
4307 (native_encode_vector): New function.
4308 (native_interpret_expr): Inverse of native_encode_expr to convert
4309 a target representation into an INTEGER_CST, REAL_CST etc...
4310 (native_interpret_int): New function.
4311 (native_interpret_real): New function.
4312 (native_interpret_complex): New function.
4313 (native_interpret_vector): New function.
4314 (fold_view_convert_expr): New function to constant fold/evaluate
4315 a VIEW_CONVERT_EXPR of a suitable constant expression.
4316 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4317 Change call of build1 to fold_build1 when constructing a
4320 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4321 Ulrich Weigand <uweigand@de.ibm.com>
4324 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4327 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4330 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4331 optimize to lo_sum for DFmode if !TARGET_FPRS.
4333 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4335 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4336 delete_alias_info, compute_flow_sensitive_aliasing,
4337 group_aliases): Use VEC instead of VARRAY.
4338 * tree-ssa-structalias.c (update_alias_info): Likewise.
4339 * tree-ssa-structalias.h (alias_info): Change the type of
4340 processed_ptrs to VEC(tree,heap) *.
4342 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4345 * config/sh/lib1funcs.h: New file, broken out of:
4346 * config/sh/lib1funcs.asm.
4347 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4349 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4350 * config/sh/lib1funcs-Os-4-200.asm: New file.
4351 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4352 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4353 (EXTRA_MULTILIB_PARTS): Include it.
4354 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4355 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4356 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4357 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4360 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4362 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4363 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4364 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4366 * tree-ssa-live.h: Include vecprim.h.
4367 (tree_partition_associator_d): Change the type of
4368 first_partition to VEC(int,heap) *.
4369 (tpa_first_partition): Use VEC instead of VARRAY.
4371 * Makefile.in (GTFILES): Move functions.h after tree.h.
4372 * function.c (reset_block_changes, record_block_change,
4373 check_block_change, free_block_changes): Use VEC instead of
4375 * function.h (function): Change the type of
4376 ib_boundaries_block to VEC(tree,gc) *.
4377 * tree-inline.c (copy_cfg_body): Initialize
4378 ib_boundaries_block to NULL instead of (varray_type) 0.
4380 2006-04-12 Roger Sayle <roger@eyesopen.com>
4382 * expr.c (emit_group_store): Correct operand order in call to
4383 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4384 a SUBREG_BYTE of zero.
4386 2006-04-12 Richard Guenther <rguenther@suse.de>
4388 * profile.c (compute_branch_probabilities): Remove code
4389 encapsulated in !ir_type (), which are remanents of the
4390 removed RTL profiling code.
4391 * rtl-profile.c: Remove.
4393 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4395 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4396 magic NULL_RTX comment.
4397 (function_arg): Store entire fp arg to mem if any part should go
4399 (rs6000_arg_partial_bytes): Adjust for above change.
4401 2006-04-11 Roger Sayle <roger@eyesopen.com>
4403 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4404 if it hasn't been initialized by dwarf2out_init.
4406 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4408 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4409 symbolic constants in branch patterns.
4411 2006-04-11 Roger Sayle <roger@eyesopen.com>
4413 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4415 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4417 PR rtl-optimization/27073
4418 * gcse.c (try_replace_reg): Revert last change. Continue to search
4419 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4422 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4424 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4425 aggregate types other than record and union types.
4426 (function_arg): Likewise.
4427 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4429 (function_value): In 64-bit mode, return objects that require it
4432 2006-04-11 Roger Sayle <roger@eyesopen.com>
4434 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4436 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4438 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4440 2006-04-03 Jeff Law <law@redhat.com>
4443 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4444 alias information too.
4446 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4448 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4450 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4453 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4454 (premark_used_types_helper): New.
4455 (premark_used_types): New.
4456 (gen_subprogram_die): Call premark_used_types.
4457 (prune_unused_types_walk): Do not prune perennial dies.
4458 * function.c (used_types_insert): New.
4459 * function.h (struct function): Add used_types_hash field.
4460 (used_types_insert): Add prototype.
4461 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4462 * c-parser.c (c_parser_cast_expression): Save casted types in used
4465 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4468 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4469 rs6000_explicit_options.float_gprs.
4471 2006-04-10 Roger Sayle <roger@eyesopen.com>
4473 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4474 from ix86_expand_vector_init_low_nonzero. Take an additional
4475 one_var argument indicating which element is non-zero. Support
4476 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4477 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4478 with one_var instead of ix86_expand_vector_init_low_nonzero.
4480 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4482 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4483 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4484 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4485 build/genextract.o): Depend on vecprim.h.
4486 * cfglayout.c, df-problems.c, function.c, genextract.c,
4487 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4488 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4492 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4494 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4495 Declare VECs of this type.
4496 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4497 (remove_children): Delete.
4498 (add_dwarf_attr): Use VEC routines.
4499 (add_AT_flag): Update for changes to add_dwarf_attr.
4500 (add_AT_int): Likewise.
4501 (add_AT_unsigned): Likewise.
4502 (add_AT_long_long): Likewise.
4503 (add_AT_vec): Likewise.
4504 (add_AT_string): Likewise.
4505 (add_AT_die_ref): Likewise.
4506 (add_AT_fde_ref): Likewise.
4507 (add_AT_loc): Likewise.
4508 (add_AT_loc_list): Likewise.
4509 (add_AT_addr): Likewise.
4510 (add_AT_lbl_id): Likewise.
4511 (add_AT_lineptr): Likewise.
4512 (add_AT_macptr): Likewise.
4513 (add_AT_offset): Likewise.
4514 (add_AT_range_list): Likewise.
4515 (get_AT): Use VEC_iterate.
4516 (remove_AT): Use VEC_ordered_remove.
4517 (free_die): Fold remove_children into here; have it use VEC_iterate.
4518 (print_die): Use VEC_iterate on attrs.
4519 (reverse_die_lists): Don't reverse attr lists.
4520 (die_checksum): Use VEC_iterate on attrs.
4521 (same_die_p): Likewise.
4522 (output_location_lists): Likewise.
4523 (build_abbrev_table): Likewise.
4524 (size_of_die): Likewise.
4525 (unmark_all_dies): Likewise.
4526 (output_abbrev_section): Likewise.
4527 (output_die): Likewise.
4528 (prune_unused_types_walk_attribs): Likewise.
4530 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4532 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4534 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4537 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4539 2006-04-09 Roger Sayle <roger@eyesopen.com>
4541 * expr.c (store_constructor): Don't bother clearing target if
4542 we're about to assign a vector to it using vec_init_optab.
4544 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4546 * tree-ssa-alias.c (lhs_may_store_to): New function.
4547 (recalculate_used_alone): Handle LHS of calls.
4549 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4553 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4554 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4555 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4556 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4557 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4558 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4559 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4560 stubs. Add ".align 8" directives before all ".dword" directives.
4561 (GTHREAD_USE_WEAK): Revise comment.
4562 (TARGET_ATTRIBUTE_WEAK): Define.
4563 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4564 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4565 * stublib.c: New file.
4570 * pa.md (cbranch patterns): Revise arguments used in calls to
4571 output_cbranch, output_bb and output_bvd. Add long branch length
4573 (fbranch patterns): Handle long branches.
4574 (jump): Revise length check. Revise arguments for output_lbranch call.
4575 Add long branch length attributes.
4576 (decrement_and_branch_until_zero): Add long branch length attributes.
4577 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4578 Likewise. Revise arguments for output_parallel_addb and
4579 output_parallel_movb calls.
4580 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4581 output_parallel_movb and output_parallel_addb): Update prototypes.
4582 * pa.c (output_cbranch): Revise arguments. Correct handling of
4583 nullification in long branches.
4584 (output_lbranch): Add new argument to control extraction of delay
4586 (output_bb): Handle long branches.
4587 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4588 output_parallel_addb): Likewise.
4590 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4592 PR rtl-optimization/27073
4593 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4596 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4598 * tree.h (tree_memory_tag): Add old_used_alone.
4599 (SMT_OLD_USED_ALONE): New macro.
4600 * tree-ssa-alias.c (recalculate_used_alone): Stop
4601 marking things for renaming unnecessarily.
4603 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4605 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4606 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4607 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4608 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4609 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4610 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4611 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4612 spelling convensions.
4613 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4614 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4615 typos. Follow spelling conventions.
4617 2006-04-07 DJ Delorie <dj@redhat.com>
4619 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4620 passed on the stack.
4621 (m32c_init_cumulative_args): When a function returns a structure,
4622 always pass the pointer to that return area on the stack.
4623 (m32c_function_arg_advance): Don't increment the parameter number
4624 if we're processing the returned structure pointer.
4625 (pushm_info): Reverse order of registers.
4627 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4629 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4630 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4631 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4632 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4634 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4635 chrec_fold_multiply): Same.
4636 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4637 force_expr_to_var_cost): Same.
4638 * tree-mudflap.c (mf_xform_derefs_1): Same.
4639 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4641 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4643 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4644 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4647 2006-04-07 Jan Hubicka <jh@suse.cz>
4649 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4651 2006-04-07 Richard Guenther <rguenther@suse.de>
4653 PR tree-optimization/26135
4654 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4655 loads for store copy-prop.
4656 (copy_prop_visit_stmt): Likewise.
4658 2006-04-05 Robert Millan <robertmh@gnu.org>
4660 * config/i386/linux.h: Add a comment to mark macros that are
4661 being overriden in config/k*bsd-gnu.h.
4662 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4664 * config/knetbsd-gnu.h: Ditto.
4666 2006-04-06 Jan Hubicka <jh@suse.cz>
4670 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4673 2006-04-06 Mike Stump <mrs@apple.com>
4675 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4676 for HAVE_nonlocal_goto to be consistent.
4677 (expand_builtin_nonlocal_goto): Likewise.
4678 (expand_builtin_strcmp): Use #ifdef instead of #if
4679 for HAVE_cmpstrnsi to be consistent.
4681 2006-04-05 DJ Delorie <dj@redhat.com>
4683 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4686 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4688 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4689 got-relative addressing for anything but SImode.
4691 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4692 even if the calling function doesn't modify them.
4694 2006-04-05 Richard Guenther <rguenther@suse.de>
4696 PR tree-optimization/26919
4697 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4698 to cgraph_estimate_size_after_inlining.
4700 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4702 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4704 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4706 PR tree-optimization/26996
4707 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4708 VECTOR_TYPE variables.
4710 2006-04-05 Richard Guenther <rguenther@suse.de>
4712 PR tree-optimization/26763
4713 * fold-const.c (fold_comparison): Move folding of
4714 PTR + CST CMP PTR + CST ...
4715 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4717 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4719 * doc/install.texi (Prerequisites): Refine some wording on
4720 bootstrapping and ksh.
4721 Move the version numbers of DejaGnu here from the testing section
4722 and fix casing of names.
4723 Fix markup and clarify wording for autogen requirements.
4724 Refer to GCJ instead of just java.
4725 Refer to SVN instead of CVS.
4726 Describe diffutils as useful instead of necessary.
4727 (Downloading the source): Refer to SVN instead of CVS.
4728 Adjust a link to our web site accordingly.
4729 (Configuration): Fix casing of Bison.
4730 (Building): Refer to SVN instead of CVS.
4731 Fix a sentence on the use of Bison and remove duplicate (and
4732 incorrect) version number of Bison requirement.
4733 Remove one redundant list of packages needed for building.
4734 (Specific): Avoid reference to CVS.
4736 2006-04-04 Eric Christopher <echristo@apple.com>
4738 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4739 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4740 (rs6000_handle_struct_attribute): New.
4741 (rs6000_ms_bitfield_layout_p): Ditto.
4743 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4745 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4746 NULL for dso parameter to atexit_common.
4748 2006-04-04 Eric Christopher <echristo@apple.com>
4750 * config/i386/i386.c (machopic_output_stub): Output \t
4751 between instructions and operands.
4753 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4755 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4756 satisfies_constraint_[IL] to explicit tests on value.
4758 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4760 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4761 set_nb_iterations_in_loop): Use build_int_cst instead of
4763 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4764 build_int_cst instead of convert.
4766 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4768 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4769 new value 2 for incoming.
4770 * function.c (expand_function_start): Call struct_value_rtx
4772 * config/sparc/sparc.md: Comment updated_return.
4773 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4774 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4775 struct return if sparc_std_struct_return and incoming is 2.
4776 (print_operand): Do not adjust return if
4777 sparc_std_struct_return.
4779 2006-04-04 Roger Sayle <roger@eyesopen.com>
4781 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4782 convert in the middle-end.
4783 * expr.c (store_expr, store_constructor, get_inner_reference,
4784 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4786 * tree.c (build_range_type): Likewise.
4788 2006-04-04 Tom Tromey <tromey@redhat.com>
4790 * doc/install.texi (Prerequisites): Mention jar.
4792 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4794 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4797 2006-04-04 Matthias Klose <doko@debian.org>
4799 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4800 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4803 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4805 * doc/extend.texi (Function Attributes): Rewrite visibility
4806 attribute documentation.
4807 * doc/invoke.texi (C++ Dialect Options): Rewrite
4808 -fvisibility-inlines-hidden documentation to describe something
4809 entirely different, although in practise compatible.
4810 (Code Gen Options): Warn about system headers in -fvisibility=
4813 * doc/extend.texi (Other Builtins): Document that
4814 __builtin_nan is a compile-time constant only when its argument
4817 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4819 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4820 trying to remove TRUNCATE check if all bits outside the new mode
4821 are identical to the sign bit.
4823 2006-04-03 Jeff Law <law@redhat.com>
4825 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4826 and operand scanning in some common cases.
4828 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4829 Dale Johannesen <dalej@apple.com>
4832 * regclass.c (struct reg_pref): Update documentation.
4833 (regclass): Set prefclass to NO_REGS if memory is the best option.
4834 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4835 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4836 into account. For non-registers, equate an empty preferred
4837 reload class to a `!' in the constraint; move the if clause to
4838 do so after those that reject the insn.
4839 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4841 (find_dummy_reload): Likewise.
4842 * doc/tm.texi (Register Classes): Document what it means
4843 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4844 * config/i386/i386.c (ix86_preferred_reload_class): Force
4845 using SSE registers (and return NO_REGS for floating-point
4846 constants) if math is done with SSE.
4847 (ix86_preferred_output_reload_class): New.
4848 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4849 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4850 * config/i386/i386.md: Remove # register preferences.
4852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4855 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4856 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4857 the type of nb_iter.
4858 (instantiate_parameters_1): Convert the operands before calling
4859 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4860 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4862 2006-04-02 Roger Sayle <roger@eyesopen.com>
4864 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4865 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4867 * dojump.c (do_jump): Likewise.
4868 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4869 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4870 gimplify_boolean_expr): Likewise.
4871 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4872 * varasm.c (array_size_for_constructor): Likewise.
4873 * tree-object-size.c (compute_object_offset): Likewise.
4875 2006-04-02 Roger Sayle <roger@eyesopen.com>
4878 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4879 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4881 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4883 PR tree-optimization/26939
4884 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4886 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4888 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4889 at_stmt. Convert the type of operands before calling
4890 build_polynomial_chrec.
4891 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4893 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4894 (instantiate_parameters_1): Convert the type of operands before calling
4895 build_polynomial_chrec.
4896 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4897 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4898 reset_evolution_in_loop): Insert asserts to check the types of the
4900 (chrec_type): Moved...
4901 (eq_evolutions_p): Use operand_equal_p.
4902 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4903 the types of the operands.
4904 (chrec_type): ...here.
4905 * tree-data-ref.c (create_data_ref): Convert the operands before
4906 calling chrec_replace_initial_condition.
4907 (same_access_functions, analyze_subscript_affine_affine,
4908 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4909 (compute_subscript_distance, analyze_ziv_subscript,
4910 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4911 analyze_miv_subscript): Convert the operands before calling
4912 chrec_fold_minus or chrec_fold_plus.
4914 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4916 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4917 the dependence_relations vector.
4918 (compute_data_dependences_for_loop): Adjust call to
4919 compute_all_dependences.
4921 2006-04-01 Roger Sayle <roger@eyesopen.com>
4922 Richard Henderson <rth@redhat.com>
4924 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4925 gimple_boolify on the condition before calling gimplify_expr.
4927 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4929 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4930 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4931 the frame size. Update to use the new macros.
4932 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4933 * config/xtensa/ieee754-df.S: Likewise.
4935 2006-03-31 Richard Henderson <rth@redhat.com>
4937 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4938 (make_edges): ... here. Control fallthru creation with a local
4939 variable. Do not play with fake edges.
4940 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4941 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4944 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4946 * dwarf2.h (DW64_CIE_ID): Define.
4947 * dwarf2out.c (DWARF_CIE_ID): Define.
4948 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4949 length header. Use DWARF_CIE_ID.
4950 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4951 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4953 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4955 * config/sh/linux-atomic.asm: New file.
4956 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4958 2006-03-31 DJ Delorie <dj@redhat.com>
4960 * config/m32c/cond.md: Set condition flags properly throughout.
4961 * config/m32c/minmax.md: Likewise.
4962 * config/m32c/prologue.md: Likewise.
4963 * config/m32c/bitops.md: Likewise.
4964 * config/m32c/muldiv.md: Likewise.
4965 * config/m32c/mov.md: Likewise.
4966 * config/m32c/addsub.md: Likewise.
4967 * config/m32c/m32c.md: Likewise.
4968 * config/m32c/jump.md: Likewise.
4969 * config/m32c/shift.md: Likewise.
4971 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4972 conditionally output the pattern for this.
4973 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4974 (m32c_compare_redundant): New.
4975 (m32c_output_compare): New.
4976 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4978 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4979 dest, not src. Allow other 4-byte modes.
4981 2006-03-30 Denis Chertykov <denisc@overta.ru>
4983 * doc/md.texi: Refer to avr/constraints.md instead of
4986 2006-03-30 Roger Sayle <roger@eyesopen.com>
4988 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4989 signed vs. unsigned comparison failures on some hosts.
4991 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4994 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4995 change to FLOAT_REGS.
4997 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4998 (rs6000_override_options): Use it.
4999 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5000 only for -mabi=spe/no-spe and -mabi=altivec.
5002 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5004 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5007 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5009 * Makefile.in: Rename docdir to gcc_docdir.
5011 2006-03-30 Roger Sayle <roger@eyesopen.com>
5014 * expr.c (emit_group_store): Optimize group stores into a pseudo
5015 register by using a paradoxical subreg to initialize the destination
5016 if the first or last member of the group specifies a "low part".
5018 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5021 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5022 * target.h (struct gcc_target.speculate_insn): Change type of the
5023 second parameter to 'int'.
5024 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5025 the second operand of the DEPS_LIST.
5026 (copy_DEPS_LIST_list): Update reference to the second operand of the
5028 * rtl.h (alloc_DEPS_LIST): Update signature.
5029 * sched-int.h (ds_t): Change typedef to 'int'.
5030 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5032 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5034 * haifa-sched.c (try_ready): Change condition to restore
5035 non-speculative pattern of the instruction.
5036 (process_insn_depend_be_in_spec): Code to keep probability of the
5037 speculative dependence non-decreasing.
5039 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5041 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5042 (single_move_for_movmem): ... this. Also change all uses.
5043 (bfin_expand_strmov): Renamed to...
5044 (bfin_expand_movmem): ... this. Also change all uses.
5045 * config/bfin/bfin.md (movstrsi): Renamed to...
5046 (movstrsi): ...this.
5048 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5050 PR tree-optimization/26830
5052 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5053 (copy_prop_visit_stmt): Remove write-only variable ann.
5054 (init_copy_prop): Check variable loop depth here. Do not simulate
5055 memory-tag and virtual operand PHIs except for store copy prop.
5057 2006-03-30 Richard Guenther <rguenther@suse.de>
5059 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5060 variants with double arguments.
5062 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5064 * genpreds.c (write_tm_constrs_h): Delete variable p.
5065 * genconditions.c (write_header): Add tm-constrs.h to included
5067 * genpeep.c (main): Add toplev.h to included headers.
5068 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5069 (build/genpeep.o): Add toplev.h dependency.
5070 * config/rs6000/constraints.md: Add "W" constraint.
5072 2006-03-29 Roger Sayle <roger@eyesopen.com>
5074 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5075 sizes by correctly testing whether the size fits a host integer.
5076 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5077 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5078 SImode range for the default sizetype and bitsizetype.
5080 2006-03-29 Roger Sayle <roger@eyesopen.com>
5082 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5083 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5084 quickly if the argument is already of the correct type.
5085 Call fold_build1 instead of build1. Tidy up blank lines.
5087 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5089 * genemit.c (main): Add tm-constrs.h to included headers.
5090 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5091 * genpeep.c (main): Add tm-constrs.h to included headers.
5092 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5093 (write_tm_constrs_h): this and write complete file.
5094 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5095 (write_insn_preds_c): Add tm-constrs.h to included headers.
5096 (gen_constrs): New variable.
5097 (parse_option): Parse "-c".
5098 (main): Invoke write_tm_constrs_h.
5099 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5100 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5101 (object_out_file): Add tm-constrs.h dependency.
5102 (insn-emit.o): Same.
5103 (insn-output.o): Same.
5104 (insn-peep.o): Same.
5105 (insn-preds.o): Same.
5106 (insn-recog.o): Same.
5107 (tm-constsr.h): New target.
5108 (s-constrs-h): New target.
5110 * config/rs6000/constraints.md: New file.
5111 * config/rs6000/rs6000.c: Include tm-constrs.h.
5112 (num_insn_constant_wide): Convert to satisfies_constraint.
5113 (rs6000_rtx_costs): Convert to satisfies_constraint.
5114 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5115 (CONST_OK_FOR_LETTER_P): Delete.
5116 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5117 (EXTRA_CONSTRAINT): Delete.
5118 (EXTRA_MEMORY_CONSTRAINT): Delete.
5119 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5120 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5121 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5122 satisfies_constraint.
5124 * config/i386/i386.c: Include tm-constrs.h.
5126 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5128 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5129 * tree-data-ref.c (find_data_references_in_loop,
5130 compute_data_dependences_for_loop): Use pointers to VEC.
5131 (analyze_all_data_dependences): Adjust calls.
5132 * tree-data-ref.h (find_data_references_in_loop,
5133 compute_data_dependences_for_loop): Adjust declarations.
5134 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5135 compute_data_dependences_for_loop.
5137 2006-03-29 Paul Brook <paul@codesourcery.com>
5139 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5142 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5144 PR tree-optimization/26859
5145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5147 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5148 for the step after fold_convert.
5150 2006-03-29 Paul Brook <paul@codesourcery.com>
5152 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5153 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5155 2006-03-29 Paul Brook <paul@codesourcery.com>
5158 * targhooks.c (default_narrow_bitfield): New fuction.
5159 * targhooks.h (default_narrow_bitfield): add prototype.
5160 * target.h (gcc_target): Add narrow_volatile_bitfield.
5161 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5162 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5163 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5164 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5166 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5168 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5170 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5171 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5172 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5173 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5174 (s390_function_arg_float): Allow SDmode and DDmode values to be
5175 passed in floating point registers.
5176 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5177 check with SCALAR_FLOAT_MODE_P.
5178 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5180 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5182 PR tree-optimization/25985
5183 * tree-ssa-loop-niter.c (number_of_iterations_le,
5184 number_of_iterations_ne): Make comments more precise.
5185 (number_of_iterations_cond): Add only_exit argument. Use the
5186 fact that signed variables do not overflow only when only_exit
5188 (loop_only_exit_p): New.
5189 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5190 number_of_iterations_cond.
5192 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5194 PR tree-optimization/26643
5195 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5198 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5200 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5201 (divsi3_i4_int): Likewise.
5203 2006-03-28 Roger Sayle <roger@eyesopen.com>
5205 * expr.c (emit_group_store): Only create a new pseudo reg if the
5206 quantity it needs to hold isn't already a suitable pseudo.
5208 2006-03-28 Jeff Law <law@redhat.com>
5210 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5211 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5213 2006-03-28 Roger Sayle <roger@eyesopen.com>
5215 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5216 the equivalent ~X & Y, and the symmetry related transformations.
5217 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5218 ~X & Y, and symmetry related transforms.
5220 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5222 Revert my 2006-03-27 patches.
5224 2006-03-28 Roger Sayle <roger@eyesopen.com>
5226 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5227 ~(T1)X, when T1 and T2 are integer types of the same precision
5228 and (T2)X isn't an extension.
5230 2006-03-28 Jeff Law <law@redhat.com>
5232 PR tree-optimization/26796
5233 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5234 need EH edge cleanups rather than purging them immediately.
5235 (eliminate_degenerate_phis): Handle queued EH cleanups.
5237 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5239 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5242 2006-03-27 Roger Sayle <roger@eyesopen.com>
5245 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5246 cast BIT_NOT_EXPR operand to the correct type.
5248 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5250 * tree-loop-linear.c: Don't include varray.h.
5251 (gather_interchange_stats, try_interchange_loops,
5252 linear_transform_loops): Use VEC instead of VARRAY.
5253 * lambda-mat.c: Don't include varray.h.
5254 * tree-chrec.c: Same.
5255 * lambda-trans.c: Same.
5256 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5257 VEC instead of VARRAY.
5258 * tree-vectorizer.h: Idem.
5259 * tree-data-ref.c (dump_data_references,
5260 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5261 initialize_data_dependence_relation, finalize_ddr_dependent,
5262 compute_all_dependences, find_data_references_in_loop,
5263 compute_data_dependences_for_loop, analyze_all_data_dependences,
5264 free_dependence_relation, free_dependence_relations,
5265 free_data_refs): Idem.
5266 * tree-data-ref.h (data_reference_p, subscript_p): New.
5267 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5268 VEC instead of VARRAY.
5269 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5270 (find_data_references_in_loop, compute_data_dependences_for_loop,
5271 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5272 dump_data_dependence_relations, free_dependence_relations,
5273 free_data_refs): Adjust declaration.
5274 (lambda_transform_legal_p): Move declaration here...
5275 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5276 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5277 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5278 vect_analyze_data_refs): Use VEC instead of VARRAY.
5279 * lambda.h (lambda_transform_legal_p): ...from here.
5280 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5281 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5282 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5283 tree-chrec.o): Don't depend on VARRAY_H.
5285 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5287 * rtl.def (Copyright): Update date.
5288 (DEPS_LIST): Change type of the second operand to 'int'.
5289 * target.h (Copyright): Update date.
5290 (struct gcc_target.speculate_insn): Change type of the second parameter
5292 * lists.c (Copyright): Update date.
5293 (alloc_DEPS_LIST): Change signature. Update reference to the second
5294 operand of the DEPS_LIST.
5295 (copy_DEPS_LIST_list): Update reference to the second operand of the
5297 * rtl.h (Copyright): Update date.
5298 (alloc_DEPS_LIST): Update signature.
5299 * sched-int.h (Copyright): Update date.
5300 (ds_t): Change typedef to 'int'.
5301 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5303 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5305 * haifa-sched.c (Copyright): Update date.
5306 (try_ready): Change condition to restore non-speculative pattern
5308 (process_insn_depend_be_in_spec): Code to keep probability of the
5309 speculative dependence non-decreasing.
5311 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5313 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5314 shut up the compiler.
5316 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5318 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5319 to use lib prefix for target.
5320 ($(T)libic_invalidate_array_4-200.a): Likewise.
5321 ($(T)libic_invalidate_array_4a.a): Likewise.
5323 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5324 J"orn Rennecke <joern.rennecke@st.com>
5326 * superh.opt: New file.
5327 * sh.c (boardtype, osruntime): Remove.
5328 * superh.h (SUBTARGET_OPTIONS): Remove.
5329 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5331 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5332 arguments with ^ and/or [].
5334 * config.gcc (sh-*-*): Add quoting to account for quirk of
5336 Replace == with = in enable_incomplete_targets test.
5338 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5339 with MASK_LITTLE_ENDIAN.
5341 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5342 * config/sh/sh.opt: Added to some comments.
5343 * config/sh/superh.h: Removed some chaff.
5345 * config/sh/sh.opt: Add m4-[1234]00* options.
5346 * config/sh/sh.c (sh_handle_option): Likewise.
5347 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5348 (ic_invalidate_array_4-100.o): New rule.
5349 ($(T)libic_invalidate_array_4-100.a): Likewise.
5350 (ic_invalidate_array_4-200.o): Likewise.
5351 ($(T)libic_invalidate_array_4-200.a): Likewise.
5352 (ic_invalidate_array_4a.o): Likewise.
5353 ($(T)libic_invalidate_array_4a.a): Likewise.
5354 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5355 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5357 * config/sh/crt1.asm: Merged in profiling code.
5358 * config/sh/superh.h (STARTFILE_SPEC): Override.
5359 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5360 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5361 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5363 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5364 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5365 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5367 * sh.opt (mpretend-cmove): New option.
5368 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5369 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5370 (movsicc): Add TARGET_PRETEND_CMOVE code.
5372 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5374 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5375 s390_class_max_nregs): New function prototypes.
5376 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5377 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5378 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5379 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5381 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5383 * dwarf2out.c (add_location_or_const_value_attribute): Call
5384 tree_add_const_value_attribute if nothing else works.
5385 (reference_to_unused): New.
5386 (rtl_for_decl_init): Use reference_to_unused to decide whether
5387 to output an initializer.
5389 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5392 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5393 peephole removing spe frob_di_df_2.
5395 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5397 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5398 (subscript_dependence_tester_1): Declared.
5399 (print_dir_vectors, print_dist_vectors): New.
5400 (debug_data_dependence_relation): New.
5401 (dump_data_dependence_relation): Print more details.
5402 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5403 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5404 (save_dist_v, save_dir_v, add_outer_distances,
5405 build_classic_dist_vector_1): New.
5406 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5407 Don't test for lambda_vector_lexico_pos.
5408 (same_access_functions, add_multivariate_self_dist,
5409 add_other_self_distances, dir_from_dist): New.
5410 (build_classic_dir_vector): Replace implementation almost identical to
5411 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5413 (subscript_dependence_tester_1): New.
5414 (subscript_dependence_tester): Handle the lexicographically negative
5415 distance vectors by recomputing the dependence relation.
5416 (compute_affine_dependence): Remove parameter loop_nest_depth.
5417 (compute_self_dependence): Don't call compute_subscript_distance.
5418 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5419 Add a parameter for the loop_nest.
5420 (find_loop_nest_1, find_loop_nest): New.
5421 (compute_data_dependences_for_loop): Compute the loop nest, and give
5422 up if the nest is not well formed.
5423 * tree-data-ref.h (loop_p): New.
5424 (struct data_dependence_relation): Replace size_vect field with
5425 loop_nest, a vec of loops.
5426 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5427 (DDR_LOOP_NEST): New.
5428 (print_dir_vectors, print_dist_vectors,
5429 debug_data_dependence_relation): Declared.
5430 (index_in_loop_nest): New.
5431 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5432 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5435 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5437 * simplify-rtx.c (simplify_relational_operation): Call
5438 simplify_relational_operation_1 even if mode is VOIDmode.
5440 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5442 PR tree-optimization/26804
5443 * tree.h (DECL_CALL_CLOBBERED): New macro.
5444 (tree_decl_common): Add call_clobbered_flag.
5445 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5446 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5447 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5448 (mark_non_addressable): Ditto.
5449 * tree-ssa.c (verify_call_clobbered): New function.
5450 (verify_alias_info): Use it.
5451 * tree-pass.h (pass_reset_cc_flags): New prototype.
5452 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5453 (reset_cc_flags): New function.
5454 * passes.c (init_optimization_passes): Call reset_cc_flags after
5455 initializing referenced_vars.
5457 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5458 Roger Sayle <roger@eyesopen.com>
5461 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5462 to 1.0 for non-real operands. Implement A / A optimization for
5465 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5467 * config/i386/i386.c (size_cost): Correct the comment for
5468 cost of storing fp registers.
5469 (i386_cost): Likewise.
5470 (i486_cost): Likewise.
5471 (pentium_cost): Likewise.
5472 (pentiumpro_cost): Likewise.
5473 (k6_cost): Likewise.
5474 (athlon_cost): Likewise.
5475 (k8_cost): Likewise.
5476 (pentium4_cost): Likewise.
5477 (nocona_cost): Likewise.
5478 (generic64_cost): Likewise.
5479 (generic32_cost): Likewise.
5481 2006-03-24 Denis Chertykov <denisc@overta.ru>
5483 * config/avr/avr-protos.h (extra_constraint): Delete.
5484 (extra_constraint_Q): New declaration.
5485 * config/avr/constraints.md: New file.
5486 * config/avr/avr.md: Include it.
5487 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5488 (TMP_REGNO, ZERO_REGNO): Likewise.
5489 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5490 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5491 (extra_constraint): Delete.
5492 (extra_constraint_Q): Test for memory constraint 'Q'.
5493 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5494 (REG_CLASS_FROM_LETTER): Delete.
5495 (CONST_OK_FOR_LETTER_P): Delete.
5496 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5497 (EXTRA_CONSTRAINT): Delete.
5498 (TMP_REGNO): Delete.
5499 (ZERO_REGNO): Delete.
5501 2006-03-24 Jeff Law <law@redhat.com>
5503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5504 directly. Call mark_new_vars_to_rename slightly earlier.
5506 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5508 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5510 (gen_compile_unit_die): Use new language types for Objective-C and
5512 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5513 DW_LANG_C_plus_plus.
5516 * config/t-darwin (crt3.o): Work around bug 26840.
5517 * config/darwin-crt3.c: Rewrite.
5518 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5520 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5522 * doc/invoke.texi: Document -femit-class-debug-always
5523 * common.opt: Add -femit-class-debug-always.
5525 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5527 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5528 index and base register.
5529 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5530 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5531 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5532 REGNO_OK_FOR_INDEX_P.
5533 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5535 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5536 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5537 REG_OK_FOR_BASE_P): Definitions removed.
5539 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5542 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5543 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5544 set yet or weren't marked as local yet.
5546 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5548 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5551 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5553 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5554 (rs6000_legitimate_small_data_p): Delete.
5555 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5556 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5557 and make static. Add forward declaration. Update uses.
5558 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5559 of offsettable_memref_p.
5560 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5561 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5563 2006-03-24 Jeff Law <law@redhat.com>
5565 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5566 around bug in immediate-use iterator.
5568 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5571 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5572 or __LITTLE_ENDIAN__.
5574 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5576 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5577 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5578 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5579 * config/sh/sh.opt (mdiv=): Amend description.
5580 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5581 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5582 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5583 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5584 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5585 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5586 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5587 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5588 TARGET_DIVIDE_CALL_FP.
5590 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5592 * haifa-sched.c (choose_ready): Fix type of the local variable.
5593 Move local variables. Add comment.
5594 (check_reg_live): Change signature. Make callable from debugger.
5595 * sched-int.h (check_reg_live): Update signature.
5596 * sched-ebb.c (check_reg_live): Update parameters.
5597 * sched-rgn.c (check_reg_live): Ditto.
5598 (region_head_or_leaf_p): Check pointer before dereferencing.
5599 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5600 before reload on optimization levels below 1.
5602 2006-03-23 Richard Henderson <rth@redhat.com>
5604 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5608 * config/alpha/predicates.md (local_symbolic_operand): Reject
5611 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5614 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5615 expressions which have overflowed constants.
5617 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5619 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5621 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5623 * cfgloopmanip.c (create_loop_notes): Removed.
5624 * final.c (final_scan_insn): Do not handle loop notes.
5625 * jump.c (squeeze_notes): Ditto.
5626 * cfglayout.c (skip_insns_after_block,
5627 duplicate_insn_chain): Ditto.
5628 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5630 * cfgloop.h (create_loop_notes): Declaration removed.
5632 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5634 * varasm.c (output_constant_pool): Restore fnname and fndecl
5636 (assemble_start_function): Adjust call accordingly.
5637 (assemble_end_function): Likewise.
5639 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5642 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5645 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5647 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5650 * system.h (ICE_EXIT_CODE): New macro.
5651 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5652 (diagnostic_action_after_output): Likewise.
5653 * gcc.c (fatal_ice): New function.
5654 (execute): Use it instead of fatal.
5655 (fancy_abort): Likewise.
5656 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5658 2006-03-22 Jeff Law <law@redhat.com>
5660 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5661 iv_analyze_result returning false.
5663 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5665 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5667 2006-03-22 Richard Henderson <rth@redhat.com>
5670 * except.c (duplicate_eh_regions_0): New.
5671 (duplicate_eh_region_1): Duplicate the children of the node as
5672 well as the node itself. Link them up properly.
5673 (duplicate_eh_region_2): Merge into ...
5674 (duplicate_eh_regions): ... here. Take copy_region argument, and
5675 copy only a sub-tree if asked. Simplify copying and fixup.
5676 (eh_region_outer_p): New.
5677 * except.h (duplicate_eh_regions): Update decl.
5678 (eh_region_outer_p): Declare.
5679 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5680 (lower_omp_master): Likewise.
5681 (lower_omp_ordered): Likewise.
5682 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5683 (move_stmt_r): Use it to remap labels. Handle recursion vs
5684 remap_decls_p properly.
5685 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5686 (find_outermost_region_in_block): New.
5687 (new_label_mapper): New.
5688 (move_sese_region_to_fn): Copy eh information to the new function
5690 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5692 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5695 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5697 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5698 into shared libraries.
5700 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5702 * doc/md.texi: Refer to i386/constraints.md instead of
5704 * config/i386/constraints.md: New file, extracted from...
5705 * config/i386/predicates.md: ...here.
5706 * config/i386/i386.md: Include constraints.md.
5708 2006-03-21 Jason Merrill <jason@redhat.com>
5710 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5713 * expr.c (init_block_move_fn): Force default visibility.
5714 (init_block_clear_fn): Likewise.
5715 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5716 * targhooks.c (default_external_stack_protect_fail): Likewise.
5718 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5720 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5721 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5722 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5723 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5724 (loadgp): Use mips_current_loadgp_style.
5725 (loadgp_noshared): New pattern.
5726 (sibcall_internal): Use MIPS_CALL.
5727 (sibcall_value_internal): Likewise.
5728 (sibcall_value_multiple_internal): Likewise.
5729 (call_internal): Likewise.
5730 (call_value_internal): Likewise.
5731 (call_value_multiple_internal): Likewise.
5732 (call_split): Use MIPS_CALL and add an 'S' constraint.
5733 (call_value_split): Likewise.
5734 (call_value_multiple_split): Likewise.
5735 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5736 (-mshared): New option.
5737 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5738 (mips_current_loadgp_style): Declare.
5739 * config/mips/mips.c (mips_classify_symbol): Avoid using
5740 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5741 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5742 TARGET_ABSOLUTE_ABICALLS.
5743 (override_options): Adjust comments. Improve the warning that is
5744 issued when -mabicalls and -G are used together.
5745 (mips_file_start): Remove comment.
5746 (mips_current_loadgp_style): New function.
5747 (mips_gnu_local_gp): New variable.
5748 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5750 (mips_output_function_prologue): Use mips_current_laodgp_style.
5751 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5752 the cprestore instruction.
5753 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5754 live for TARGET_ABSOLUTE_ABICALLS.
5755 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5756 (ASM_SPEC): Pass down -mshared and -mno-shared.
5757 (MIPS_CALL): New macro.
5758 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5760 * doc/invoke.texi (-mabicalls): Update documentation.
5761 (-mshared): Document.
5763 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5765 * config/ia64/unwind-hpux.c: New file.
5766 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5768 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5771 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5773 2006-03-21 Jeff Law <law@redhat.com>
5775 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5776 type conversions of a VR_VARYING source to a wider type.
5778 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5780 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5781 tm_file on Solaris 10 and later.
5782 (sparc64-*-solaris2*): Likewise.
5783 (sparc-*-solaris2*): Likewise.
5784 * config/sol26.h: Rename to config/sol2-6.h.
5785 * config/sol2-10.h: New file.
5787 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5790 * tree-ssa-pre.c (create_component_ref_by_pieces):
5793 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5796 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5797 return it immediately.
5799 2006-03-21 Michael Matz <matz@suse.de>
5801 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5803 (remove_arc, add_arc): Update num_out_arcs member.
5804 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5806 (cache_presence): New function.
5807 (compare_states_for_equiv): New function.
5808 (state_is_differed): Don't take number of outargs, adjust callers.
5809 Use new invariant for speeding up.
5810 (init_equiv_class): Create initial classes based on sorted
5812 (partition_equiv_class): Don't track out_arcs_num.
5813 (evaluate_equiv_classes): Call cache_presence on all states and
5816 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5818 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5819 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5820 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5821 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5823 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5824 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5825 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5826 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5827 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5829 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5830 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5831 (REGNO_REG_CLASS): ARGP is in PREGS.
5832 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5834 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5835 to deal with those addresses.
5836 * addresses.h: New file.
5837 * caller-save.c: Include "addresses.h".
5838 (init_caller_save): Use new base_reg_class function.
5839 * rtl-factoring.c: Include "addresses.h".
5840 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5841 * recog.c: Include "addresses.h".
5842 (preprocess_constraints): Use new base_reg_class function.
5843 * regrename.c: Include "addresses.h".
5844 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5845 functions. Keep track of a new var INDEX_CODE to compute valid
5847 (replace_oldest_value_addr): Likewise.
5848 (replace_oldest_value_mem): Use base_reg_class.
5849 * reload.c: Include "addresses.h".
5850 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5851 (find_reloads): Use new base_reg_class function.
5852 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5853 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5854 all callers and prototype changed.
5855 * reload1.c: Include "addresses.h".
5856 (maybe_fix_stack_asms): Use base_reg_class.
5857 * regclass.c: Include "addresses.h".
5858 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5859 (init_reg_autoinc): Use new base_reg_class function.
5860 (record_reg_classes): Likewise.
5861 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5862 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5863 Use new args to compute necessary class.
5865 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5866 regrename.o, rtl-factoring.o): Update dependencies.
5867 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5868 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5869 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5870 REG_OK_FOR_INDEX_P): Delete documentation.
5872 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5874 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5875 from V7 to V9 for Solaris 7 and above.
5877 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5879 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5880 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5881 argument pointers may not alias any other storage.
5882 * common.opt: Define option -fargument-noalias-anything.
5883 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5884 alias semantics is specified by flag_argument_noalias > 2.
5886 2006-03-20 Jeff Law <law@redhat.com>
5888 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5889 (pass_phi_only_cprop): Declare.
5890 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5892 * tree-ssa-dom.c (degenerate_phi_result): New function.
5893 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5894 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5895 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5896 (eliminate_degenerate_phis): Likewise.
5897 (pass_phi_only_cprop): New pass descriptor.
5898 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5899 support code. Callers updated.
5900 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5901 (store_copy_prop): Likewise.
5902 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5904 2006-03-20 Jason Merrill <jason@redhat.com>
5907 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5908 (push_visibility, pop_visibility): Likewise.
5909 * c-pragma.h: Declare them.
5911 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5913 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5915 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5916 parameter and use get_ebb_head_tail.
5917 (sh_md_init_global): Adjust uses of find_regmode_weight.
5919 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5921 * function.h (struct function) <x_tail_recursion_reentry>:
5922 Rename to x_stack_check_probe_note.
5923 (tail_recursion_reentry): Rename to stack_check_probe_note.
5924 * function.c: Replace tail_recursion_reentry with
5925 stack_check_probe_note everywhere.
5926 (expand_function_start): Only emit a note for
5927 stack_check_probe_note with -fstack-protect.
5928 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5930 * emit-rtl.c (remove_unnecessary_notes): Remove.
5931 (pass_remove_unnecessary_notes): Remove.
5932 * rtl.h (remove_unnecessary_notes): Remove prototype.
5933 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5934 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5935 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5937 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5940 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5941 (valid_in_set): Handle ARRAY_REF.
5942 Change "if min_variant or VH" to asserts.
5943 (create_component_ref_by_pieces): Handle ARRAY_REF.
5944 (create_expression_by_pieces): Likewise.
5945 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5947 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5949 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5950 is operand of switch, not str[0].
5952 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5954 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5955 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5957 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5959 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5960 end of insn_extra_address_constraint declaration.
5962 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5964 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5965 (no-sum-in-toc): Same.
5966 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5968 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5969 NO_FP_IN_TOC for -fPIC instead of mask.
5971 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5972 (BOOT_LDFLAGS): Delete.
5974 * config/rs6000/t-aix52: Same.
5976 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5977 (stmsi[345678]_power): New.
5979 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5981 * config/ia64/ia64.opt: Add empty line to end of file.
5983 2006-03-17 Richard Guenther <rguenther@suse.de>
5986 * builtins.c (get_pointer_alignment): For component style references
5987 adjust alignment to the component type alignment. Make sure
5988 to adjust alignment for component access of constants.
5990 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5992 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5995 2006-03-17 Paul Brook <paul@codesourcery.com>
5997 * doc/install.texi: Docuemnt --with-mode.
5998 * config.gcc: Add --with-mode for arm*-*-*.
5999 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6001 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6003 * sh.c (max_labelno_before_reorg): New variable.
6004 (sh_reorg): Initialize it.
6005 (find_barrier): Check max_labelno_before_reorg before using
6006 label_to_alignment. Take length of explicit alignment insns
6007 into account. When seeing a UNSPECV_CONST_END, return it.
6009 * sh.c (fixup_mova): Set mode of affected label to QImode.
6010 (untangle_mova): New function.
6011 (find_barrier): Use it. Check mode of label before decrementing
6013 (sh_reorg): Likewise.
6014 Set mode of all insns back to VOIDmode.
6016 * sh.c (MOVA_LABELREF): New macro.
6017 (mova_p, fixup_mova, sh_reorg): Use it.
6018 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6019 ADDR_DIFF_VEC matches mova.
6021 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6023 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6024 with ATTRIBUTE_UNUSED.
6026 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6028 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6029 pointer, instead of assuming it is possible to derive the
6030 correct args size from a call insn.
6032 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6034 * rtl.h (CONST_INT_P): Define.
6035 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6036 instead of GET_CODE(x) == CONST_INT.
6037 (vax_rtx_costs): Likewise.
6038 (vax_output_int_move): Likewise.
6039 (vax_output_int_add): Likewise.
6040 (legitimate_constant_address_p): Likewise.
6041 (index_term_p): Likewise.
6042 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6043 * config/vax/vax.md (and<mode>3): Likewise.
6044 (ashrsi3): Likewise.
6046 (movstricthi): Likewise.
6047 (movstrictqi): Likewise.
6048 (rotrsi3): Likewise.
6049 (five unnamed insns): Likewise.
6051 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6053 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6054 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6055 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6056 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6057 Pass to ASM_OUTPUT_DWARF_OFFSET.
6058 * dwarf2out.c (debug_frame_section): New.
6059 (output_call_frame_info): Use debug_frame_section. Pass it to
6060 dw2_asm_output_offset.
6061 (output_die): Pass appropriate section to dw2_asm_output_offset.
6062 (output_compilation_unit_header): Likewise.
6063 (output_pubnames): Likewise.
6064 (output_aranges): Likewise.
6065 (enum dw_val_class): Break dw_val_class_lbl_offset into
6066 dw_val_class_lineptr and dw_val_class_macptr.
6067 (add_AT_lbl_offset): Delete.
6068 (add_AT_lineptr): New.
6069 (add_AT_macptr): New.
6070 (AT_lbl): Expect a lineptr or macptr.
6071 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6072 (attr_checksum): Likewise.
6073 (same_dw_val_p): Likewise.
6074 (size_of_die): Likewise.
6075 (value_format): Likewise.
6076 (output_die): Likewise.
6077 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6079 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6080 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6081 * config/darwin-protos.h (darwin_file_start): New.
6082 (darwin_asm_output_dwarf_offset): New.
6083 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6084 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6086 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6087 if not EH section; simplify.
6088 (darwin_file_start): New.
6089 (darwin_asm_output_dwarf_offset): New.
6090 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6092 (DEBUG_INFO_SECTION): Likewise.
6093 (DEBUG_ABBREV_SECTION): Likewise.
6094 (DEBUG_ARANGES_SECTION): Likewise.
6095 (DEBUG_MACINFO_SECTION): Likewise.
6096 (DEBUG_LINE_SECTION): Likewise.
6097 (DEBUG_LOC_SECTION): Likewise.
6098 (DEBUG_PUBNAMES_SECTION): Likewise.
6099 (DEBUG_STR_SECTION): Likewise.
6100 (DEBUG_RANGES_SECTION): Likewise.
6101 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6102 (ASM_OUTPUT_DWARF_OFFSET): New.
6104 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6106 * config.gcc (tm_defines): Always add to previous value rather
6109 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6111 * config/mips/predicates.md (splittable_const_int_operand): New,
6112 split from move_operand.
6113 (splittable_symbolic_operand): New.
6114 (move_operand): Add commentary. Use splittable_const_int_operand.
6115 Inline mips_atomic_symbolic_constant_p.
6116 * config/mips/mips.md: Add combine splitters for handling moves
6117 of splittable_const_int_operands and splittable_symbolic_operands.
6118 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6119 (mips_split_symbol): Declare.
6120 (mips_move_integer): Declare.
6121 * config/mips/mips.c (mips_split_p): Make global.
6122 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6123 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6124 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6125 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6126 (mips_offset_within_object_p): Handle block symbols.
6127 (mips_atomic_symbolic_constant_p): Delete.
6128 (mips_cannot_force_const_mem): Return false for constants that
6129 mips_legitimize_move can handle.
6130 (mips_use_blocks_for_constant_p): New function.
6131 (mips_split_symbol): Make global.
6132 (mips_move_integer): Likewise. Add a temporary register argument.
6133 (mips_legitimize_const_move): Use splittable_const_int_operand and
6134 splittable_symbolic_operand.
6135 (mips_use_anchors_for_symbol_p): New function.
6136 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6137 (mips_split_p): Declare.
6139 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6141 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6142 (mips*-*-linux*): Likewise.
6144 2006-03-16 Roger Sayle <roger@eyesopen.com>
6145 Daniel Speyer <dspeyer@wam.umd.edu>
6148 * tree-dump.c (dump_real): New function.
6149 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6150 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6151 (tree-dump.o): Add $(REAL_H) to the dependencies.
6153 2006-03-16 Roger Sayle <roger@eyesopen.com>
6156 * real.c (real_from_string): If the mantissa is zero, don't bother
6157 parsing the exponent as the result should always be zero.
6159 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6161 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6163 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6165 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6166 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6167 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6168 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6169 ia64_sched_finish_global): New static functions to implement
6170 hooks from gcc_target.sched.
6171 (spec_check_no, max_uid, pending_data_specs): New static variables.
6172 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6173 ia64_spec_check_src_p): New static functions.
6174 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6175 (TARGET_SCHED_ADJUST_COST): Removed.
6176 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6177 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6178 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6179 TARGET_SCHED_GEN_CHECK,
6180 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6181 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6182 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6183 Fixed to handle speculation checks.
6184 (rtx_needs_barrier): Fixed to handle speculative loads and
6186 (ia64_variable_issue): Added code to count speculative loads and their
6188 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6190 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6192 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6194 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6195 (ia64_reorg): Reset stops_p to NULL after it is freed.
6196 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6197 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6198 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6200 (data_speculative, control_speculative, check_load): New attributes.
6201 (mov<mode>_advanced, mov<mode>_speculative,
6202 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6203 zero_extend<mode>di2_speculative,
6204 zero_extend<mode>di2_speculative_advanced): New patterns for
6205 data and control speculative loads.
6206 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6208 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6209 New pattern for data and control speculation checks.
6210 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6211 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6212 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6213 Auxiliary definitions for the patterns.
6214 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6215 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6217 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6219 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6220 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6221 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6222 New resource constraints.
6223 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6225 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6226 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6227 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6228 msched-in-control-spec, msched-ldc, msched-control-ldc,
6229 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6230 msched-prefer-non-control-spec-insns,
6231 msched-count-spec-in-critical-path): New flags to tune speculative
6233 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6234 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6235 msched-in-control-spec, msched-ldc, msched-control-ldc,
6236 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6237 msched-prefer-non-control-spec-insns,
6238 msched-count-spec-in-critical-path): Document new flags.
6240 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6242 * target.h (struct spec_info_def): New opaque declaration.
6243 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6244 speculate_insn, needs_block_p, gen_check,
6245 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6246 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6247 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6248 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6249 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6250 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6252 (TARGET_SCHED): Use new macros.
6253 * rtl.h (copy_DEPS_LIST_list): New prototype.
6254 * sched-int.h (struct sched_info): Change signature of new_ready field,
6255 adjust all initializations. New fields: add_remove_insn,
6256 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6257 region_head_or_leaf_p.
6258 (struct spec_info_def): New structure declaration.
6259 (spec_info_t): New typedef.
6260 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6261 recovery_block, orig_pat.
6262 (glat_start, glat_end): New variables declaraions.
6263 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6265 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6266 DETACH_LIFE_INFO, USE_GLAT.
6267 (enum SPEC_SCHED_FLAGS): New enumeration.
6268 (NOTE_NOTE_BB_P): New macro.
6269 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6270 attach_life_info, debug_spec_status, check_reg_live): New functions.
6271 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6272 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6274 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6275 * ddg.c (get_block_head_tail): Adjust all uses.
6276 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6277 (sms_sched_info): Initialize new fields.
6278 (contributes_to_priority): Removed.
6279 * haifa-sched.c (params.h): New include.
6280 (get_block_head_tail): Adjust all uses.
6281 (ISSUE_POINTS): New macro.
6282 (glat_start, glat_end): New global variables.
6283 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6284 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6285 old_last_basic_block, before_recovery, current_sched_info_var,
6286 rgn_n_insns, luid): New static variables.
6287 (insn_cost1): New function. Move logic from insn_cost to here.
6288 (find_insn_reg_weight1): New function. Move logic from
6289 find_insn_reg_weight to here.
6290 (reemit_notes, move_insn, max_issue): Change signature.
6291 (move_insn1): Removed.
6292 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6293 extend_bb): New static functions to support extension of scheduler's
6295 (generate_recovery_code, process_insn_depend_be_in_spec,
6296 begin_speculative_block, add_to_speculative_block,
6297 init_before_recovery, create_recovery_block, create_check_block_twin,
6298 fix_recovery_deps): New static functions to support
6299 generation of recovery code.
6300 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6301 restore_bb_notes, move_block_after_check, move_succs): New static
6302 functions to support ebb scheduling.
6303 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6304 functions to support handling of register live information.
6305 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6306 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6307 add_jump_dependencies): New static functions.
6308 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6309 consistancy checking.
6310 (debug_spec_status): New function to call from debugger.
6311 (priority): Added code to handle speculation checks.
6312 (rank_for_schedule): Added code to distinguish speculative instructions.
6313 (schedule_insn): Added code to handle speculation checks.
6314 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6315 Fixed to handle ebbs.
6316 (move_insn): Added code to handle ebb scheduling.
6317 (max_issue): Added code to use ISSUE_POINTS of instructions.
6318 (choose_ready): Added code to choose between speculative and
6319 non-speculative instructions.
6320 (schedule_block): Added code to handle ebb scheduling and scheduling of
6321 speculative instructions.
6322 (sched_init): Initialize new variables.
6323 (sched_finish): Free new variables. Print statistics.
6324 (try_ready): Added code to handle speculative instructions.
6325 * lists.c (copy_DEPS_LIST_list): New function.
6326 * sched-deps.c (extend_dependency_caches): New function. Move logic
6327 from create_dependency_caches to here.
6328 (get_dep_weak, ds_merge): Make global.
6329 * genattr.c (main): Code to output prototype for
6330 dfa_clear_single_insn_cache.
6331 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6332 (output_dfa_clean_insn_cache_func): Code to output
6333 dfa_clear_single_insn_cache function.
6334 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6336 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6338 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6339 New static variables.
6340 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6341 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6343 (ebb_sched_info): Initialize new fields.
6344 (get_block_head_tail): Adjust all uses.
6345 (compute_jump_reg_dependencies): Fixed to use glat_start.
6346 (schedule_ebb): Code to remove unreachable last block.
6347 (schedule_ebbs): Added code to update register live information.
6348 * sched-rgn.c (region_sched_info): Initialize new fields.
6349 (get_block_head_tail): Adjust all uses.
6350 (last_was_jump): Removed. Adjust users.
6351 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6352 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6353 Implement new hooks.
6354 (check_dead_notes1): New static function.
6355 (struct region): New fields: dont_calc_deps, has_real_ebb.
6356 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6357 (BB_TO_BLOCK): Fixed to handle EBBs.
6358 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6359 (ebb_head): New static variable.
6360 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6361 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6363 (compute_dom_prob_ps): New assertion.
6364 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6365 global_live_at_start.
6366 (init_ready_list): New assertions.
6367 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6368 (new_ready): Add support for BEGIN_CONTROL speculation.
6369 (schedule_insns): Fixed code that updates register live information
6371 (schedule_region): Fixed to handle EBBs.
6372 (init_regions): Use extend_regions and check_dead_notes1.
6373 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6374 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6375 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6376 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6377 TARGET_SCHED_GEN_CHECK,
6378 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6379 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6380 * doc/invoke.texi (max-sched-insn-conflict-delay,
6381 sched-spec-prob-cutoff): Document.
6383 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6385 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6386 inter_tick, queue_index.
6387 (struct sched_info): Change signature of init_ready_list field.
6388 Adjust all initializations.
6389 (RESOLVED_DEPS): New access macro.
6390 (ready_add): Remove prototype.
6391 (try_ready): Add prototype.
6392 * sched-rgn.c (init_ready_list): Use try_ready.
6393 (schedule_region): Initialize
6394 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6395 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6396 (init_ready_list): Use try_ready.
6397 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6398 * lists.c (remove_list_elem): Remove `static'.
6399 (remove_free_INSN_LIST_elem): New function.
6400 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6401 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6402 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6404 (readyp): New variable.
6405 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6406 change_queue_index, resolve_dep): New static functions.
6407 (try_ready): New function. Adjust callers in sched-rgn.c and
6408 sched-ebb.c to use it instead of ready_add.
6409 (clock_var): Move at the begining of file.
6410 (rank_for_schedule): Fix typo.
6411 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6412 (ready_lastpos): Enforce assertion.
6413 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6415 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6416 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6417 (queue_to_ready): Use free_INSN_LIST_list.
6418 (early_queue_to_ready): Fix typo.
6419 (schedule_block): Init readyp. Move init_ready_list call after the
6420 initialization of clock_var. Fix error in rejecting insn by
6421 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6422 that previously corrected INSN_TICKs. Add code for handling
6424 (set_priorities): Fix typo.
6425 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6426 Clarify comment and code that keeps current_sched_info->next_tail
6429 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6431 * sched-rgn.c (extend_rgns): New static function.
6432 (find_rgns): Use it.
6433 (gather_region_statistics, print_region_statistics): New static
6435 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6436 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6439 Andrey Belevantsev <abel@ispras.ru>
6441 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6442 * lists.c (unused_deps_list): New variable.
6443 (free_list): Add assertions to verify the proper distinguishing
6444 between INSN_LISTs and DEPS_LISTs.
6445 (find_list_elem, remove_list_elem, remove_list_node): New static
6447 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6448 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6449 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6450 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6452 (free_INSN_LIST_node): Likewise.
6453 * modulo-sched.c (current_sched_info): Initialize flags field.
6454 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6455 * rtl.def (DEPS_LIST): Define.
6456 * rtl.h: Declare new functions from lists.c.
6457 * sched-deps.c (spec_dependency_cache): New static variable.
6458 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6459 (add_dependence): Change return type to void. Move the logic to ...
6460 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6461 (delete_all_dependences): Add comment about forward_dependency_cache.
6462 Handle spec_dependency_cache. Handle DEPS_LISTs.
6463 (fixup_sched_groups): Clarify the change of priority of output
6464 and anti dependencies.
6465 (sched_analyze_2): Adjust add_dependence calls to create data
6466 speculative dependence.
6467 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6468 Adjust all callers. Handle DEPS_LISTS.
6469 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6470 presence of speculation.
6471 (init_dependency_caches, free_dependency_caches):
6472 Handle spec_dependency_cache.
6473 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6474 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6475 New static functions.
6476 (add_or_update_back_dep, add_or_update_back_forw_dep,
6477 add_back_forw_dep, delete_back_forw_dep): New functions.
6478 * sched-int.h (ds_t, dw_t): New typedefs.
6479 (struct sched_info): Add new field flags.
6480 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6481 Prototype new sched-deps.c functions.
6482 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6483 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6484 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6485 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6486 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6487 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6489 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6491 * sched-rgn.c (current_sched_info): Initialize flags field.
6492 (schedule_insns): Initialize current_sched_info before the sched_init
6494 * sched-ebb.c (current_sched_info): Initialize flags field.
6495 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6496 Call add_or_update_back_dep instead of add_dependence.
6497 Create control speculative dependencies.
6498 (schedule_insns): Initialize current_sched_info before the sched_init
6501 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6503 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6505 (sh_fallback_frame_state): Likewise.
6507 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6509 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6510 Do switch on default_use_cxa_atexit.
6511 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6512 * config/darwin-crt3.o: New.
6513 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6514 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6515 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6517 * config/rs6000/t-darwin: Move crt2.o building to here.
6518 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6519 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6522 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6524 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6525 from '! xxx' to '!xxx' for coding-style conformance.
6526 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6527 (EXTRA_CONSTRAINT): Likewise.
6528 * config/vax/vax.md (four unnamed insns): Likewise.
6530 2006-03-15 Paul Brook <paul@codesourcery.com>
6532 * config/arm/arm.c (minipool_pad): New.
6533 (add_minipool_forward_ref): Include pool alignment padding in address
6535 (push_minipool_fix): Set minipool_pad.
6536 (minipool_pad): Ditto.
6538 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6540 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6541 instead of GET_CODE() == MEM and REG_P() instead of
6543 (print_operand_address): Likewise.
6544 (vax_address_cost): Likewise.
6545 (vax_rtx_costs): Likewise.
6546 (vax_notice_update_cc): Likewise.
6547 (vax_output_int_add): Likewise.
6548 (INDEX_REGISTER_P): Likewise.
6549 (BASE_REGISTER_P): Likewise.
6550 (nonindexed_address_p): Likewise.
6551 (vax_mode_dependent_address_p): Likewise.
6552 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6553 (PRINT_OPERAND): Likewise.
6554 * config/vax/vax.md (ashlsi3): Likewise.
6555 (ashlsi3): Likewise.
6556 (some more unnamed insns): Likewise.
6558 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6560 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6561 iterator-style macro.
6562 (mark_control_dependent_edges_necessary): Update the use of
6563 EXECUTE_IF_CONTROL_DEPENDENT.
6565 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6567 * config/sh/predicates.md (cache_address_operand): Special.
6568 (ua_address_operand): Likewise.
6570 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6572 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6574 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6576 2006-03-15 Andreas Schwab <schwab@suse.de>
6578 * gensupport.c (identify_predicable_attribute): Don't free p_false
6579 when it is still in use.
6581 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6583 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6584 the default setting here.
6586 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6588 * tree-pass.h (pass_cfg): Remove.
6589 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6590 * passes.c (pass_cfg): Don't run it.
6592 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6594 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6595 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6597 (stack_regs_mentioned): Update the uses of
6598 stack_regs_mentioned_data. Don't access the array beyond its
6600 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6601 Don't include gt-reg-stack.h.
6603 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6604 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6606 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6609 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6612 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6614 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6616 2006-03-14 Richard Guenther <rguenther@suse.de>
6618 PR tree-optimization/26672
6619 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6622 2006-03-14 Richard Guenther <rguenther@suse.de>
6624 PR tree-optimization/26667
6625 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6626 node for the callees. Always allow inlining if it will shrink
6629 2006-03-14 Richard Guenther <rguenther@suse.de>
6632 * builtins.c (get_pointer_alignment): Prefer alignment
6633 information from decls over that from types.
6635 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6638 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6640 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6642 * config/rs6000/rs6000.opt (mdlmzb): New option.
6643 (msched-prolog, msched-epilog): Use Var not Mask.
6644 * doc/invoke.texi (-mdlmzb): Document.
6645 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6647 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6648 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6650 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6652 PR rtl-optimization/25739
6653 * bt-load.c (augment_live_range): Free tos pointer.
6655 * gensupport.c (identify_predicable_attribute): Free
6657 * gcov.c (create_file_names): Free name pointer.
6659 2006-03-13 Roger Sayle <roger@eyesopen.com>
6662 * stmt.c (emit_case_nodes): Handle the case where the index is a
6663 CONST_INT, where the comparison mode is specified by the index type.
6665 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6667 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6670 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6672 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6673 (*branch_fp_inverted): Likewise.
6675 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6678 * omp-low.c (expand_omp_for_generic): Mark istart0
6679 and iend0 as addressable.
6681 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6683 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6685 2006-03-13 Jeff Law <law@redhat.com>
6687 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6688 virtual operands are interesting.
6689 (vrp_visit_stmt): Corresponding changes.
6691 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6693 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6695 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6696 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6697 * config/bfin/crti.S: Use it instead of __PIC__.
6698 * config/bfin/crtn.S: Likewise.
6700 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6701 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6703 Lose 'G' modifier for call operand.
6704 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6705 recognize 'G' modifier.
6707 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6710 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6711 * stmt.c (expand_case): Likewise.
6713 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6715 PR rtl-optimization/26254
6716 * loop-invariant.c (seq_insns_valid_p): New function.
6717 (move_invariant_reg): Only emit new code if it is valid.
6719 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6721 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6723 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6724 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6725 (commit_one_edge_insertion): Do not look for loop notes.
6727 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6729 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6730 flag_test_coverage out of loop.
6732 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6734 * final.c (shorten_branches): Remove outdated comment, and turn
6735 the if branch that guards it to continue.
6737 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6739 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6740 * cfgloop.h (struct loop): Remove unused fields.
6742 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6744 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6745 (-dL, -fdump-rtl-loop2): Update the dump file names
6747 * doc/invoke.texi: Update dump file names.
6749 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6751 * predict.c (estimate_probability): Remove.
6752 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6753 * basic-block.h (estimate_probability): Remove prototype.
6754 * passes.c (finish_optimization_passes): Dump branch prediction or
6755 profiling heuristics to the .profile tree dump.
6756 (init_optimization_passes): Unqueue pass_branch_prob.
6758 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6760 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6762 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6763 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6765 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6767 * function.h (frame_offset_overflow): Declare.
6768 * function.c (frame_offset_overflow): New function.
6769 (assign_stack_local_1): Call it to detect that the offset overflows.
6770 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6772 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6774 * config/sh/sh.c: Include alloc-pool.h.
6775 (label_ref_list_pool): New alloc pool.
6776 (label_ref_list_t): New type for lists of labels.
6777 (struct pool_node): Make wend a label_ref_list_t.
6778 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6780 (dump_table): Likewise.
6781 (sh_reorg): Set up the alloc pool before using add_constant and
6782 dump_table, and destroy it when finishing.
6784 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6786 * config/mips/mips.c: Remove redundant comment.
6788 2006-03-10 Jason Merrill <jason@redhat.com>
6791 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6792 the target was declared 'register'.
6794 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6796 * genpreds.c (write_insn_constraint_len): Change definition of
6797 insn_constraint_len to return size_t to match the declaration.
6799 2006-03-10 DJ Delorie <dj@redhat.com>
6801 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6803 (m32c_expand_insv): Fix test for an AND mask.
6805 2006-03-10 Richard Guenther <rguenther@suse.de>
6808 * builtins.c (get_pointer_alignment): Handle component
6809 references for field alignment.
6811 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6813 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6814 when building with libgloss.
6815 (sh*elf): Implement --without-fp option.
6816 (sh64-superh-linux*): Don't multilib.
6818 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6820 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6822 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6824 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6825 Set it when one of the replacement functions returned true.
6826 Return TODO_cleanup_cfg if cfgchanged is true.
6827 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6829 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6831 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6832 instead of gen_lowpart.
6834 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6836 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6838 (mips_output_order_conditional_branch): Declare.
6839 * config/mips/mips.h (MIPS_BRANCH): New macro.
6840 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6841 for the comparison. Use gen_condjump.
6842 (mips_output_conditional_branch): Rework interface to take the
6843 asm templates for a direct branch and the inverse of a direct branch.
6844 (mips_output_order_conditional_branch): New function.
6845 (mips_builtin_branch_and_move): New function.
6846 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6847 branch condition. Use gen_single_cc as the condition for
6848 __builtin_mips_upper_* or __builtin_mips_lower_*.
6849 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6850 Use VOIDmode for the branch condition.
6851 * config/mips/predicates.md (order_operator): New predicate.
6852 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6853 (branch_fp): Rename to...
6854 (*branch_fp): ...this. Remove mode from comparison operator.
6855 Use new mips_output_conditional_branch interface.
6856 (branch_fp_inverted): Rename to...
6857 (*branch_fp_inverted): ...this and update as for *branch_fp.
6858 (*branch_zero<mode>): Rename to...
6859 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6860 Use mips_output_order_conditional_branch. Only accept ordered
6862 (*branch_zero<mode>_inverted): Rename to...
6863 (*branch_order<mode>_inverted): ...this and update as for
6864 *branch_order<mode>.
6865 (*branch_equality<mode>): Accept zero as the second operand to
6866 the equality operator. Use the new mips_output_conditional_branch
6868 (*branch_equality<mode>_inverted): Likewise.
6869 (condjump): New expander.
6870 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6872 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6873 (bc1any2t, bc1any2f): Likewise.
6874 (single_cc): New expander.
6875 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6877 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6879 * doc/md.texi: Update documentation of MIPS constraints.
6880 * config/mips/constraints.md: New file.
6881 * config/mips/mips.md: Include it.
6882 * config/mips/mips.c (mips_char_to_class): Delete.
6883 (override_options): Don't initialize mips_char_to_class.
6884 * config/mips/mips.h (mips_char_to_class): Delete.
6885 (REG_CLASS_FROM_LETTER): Delete.
6886 (CONST_OK_FOR_LETTER_P): Delete.
6887 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6888 (EXTRA_CONSTRAINT_Y): Delete.
6889 (EXTRA_CONSTRAINT_STR): Delete.
6890 (CONSTRAINT_LEN): Delete.
6891 (EXTRA_MEMORY_CONSTRAINT): Delete.
6893 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6895 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6896 original fn's eh regions.
6898 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6900 * fold-const.c (build_range_check): Make sure to use a valid type to
6901 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6904 (range_predecessor): New static function.
6905 (range_successor): Likewise.
6906 (merge_ranges): Use them to compute predecessors and successors of
6909 2006-03-09 Roger Sayle <roger@eyesopen.com>
6912 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6913 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6915 2006-03-08 DJ Delorie <dj@redhat.com>
6917 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6918 (addpsi3): Expand to include memory operands. Remove
6919 reload-specific splits.
6920 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6921 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6922 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6923 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6924 (shift1_qi, shift1_hi, insv): New.
6925 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6926 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6927 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6929 * config/m32c/m32c-protos.h: Update as needed.
6930 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6931 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6932 Fail for unrecognized R* constraints.
6933 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6934 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6935 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6937 (m32c_init_libfuncs): New.
6938 (m32c_legitimate_address_p): Add debug wrapper.
6939 (m32c_rtx_costs): New.
6940 (m32c_address_cost): New.
6941 (conversions): Add 'B' prefix.
6942 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6943 operands, or word regnames for QI operands. 'B' prints bit
6945 (m32c_expand_setmemhi): New.
6946 (m32c_expand_movmemhi): New.
6947 (m32c_expand_movstr): New.
6948 (m32c_expand_cmpstr): New.
6949 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6950 (m32c_expand_neg_mulpsi3): Handle non-ints.
6951 (m32c_cmp_flg_0): New.
6952 (m32c_expand_movcc): New.
6953 (m32c_expand_insv): New.
6954 (m32c_scc_pattern): New.
6955 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6956 a0/a1 out of SIregs.
6957 (STORE_FLAG_VALUE): New.
6958 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6961 * config/m32c/mov.md: Make constraints more liberal.
6962 (zero_extendqihi2): Optimize r0/r1 case.
6963 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6964 * config/m32c/predicates.md (m32c_any_operand): New.
6965 (m32c_nonimmediate_operand): New.
6966 (m32c_hl_operand): New.
6967 (m32c_r3_operand): New.
6970 (memsym_operand): New.
6971 (memimmed_operand): New.
6972 (a_qi_operand): New.
6973 (m32c_eqne_operator): New.
6974 (m32c_1bit8_operand): New.
6975 (m32c_1bit16_operand): New.
6976 (m32c_1mask8_operand): New.
6977 (m32c_1mask16_operand): New.
6978 * config/m32c/blkmov.md: New file.
6979 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6981 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6983 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6984 unsigned to fix signed/unsigned comparison issue in
6985 DWARF2_FRAME_REG_OUT.
6986 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6987 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6989 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6990 of ptr into the ENABLE_CHECKING section.
6992 2006-03-08 Jeff Law <law@redhat.com>
6994 * tree-vrp.c (infer_value_range): Only count pointer uses
6995 and dereferences if -fdelete-null-pointer-checks is enabled.
6997 * tree-vrp.c (find_assert_locations): Infer value ranges for
6998 single use pointers, but do not create ASSERT_EXPRs for them.
6999 When a non-null range is inferred for a pointer, backwards
7000 propagate that range to other equivalent pointers through the
7003 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7006 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7007 language hook targets.
7008 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7009 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7010 if language hook targets were missing.
7012 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7014 * tree-ssa-opfinalize.h: Removed.
7015 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7017 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7018 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7019 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7020 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7021 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7022 finalize_ssa_v_must_def_ops): New.
7024 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7026 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7029 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7031 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7033 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7034 addresses with offsets; reorganize.
7036 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7037 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7038 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7040 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7043 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7045 2006-03-08 Ben Elliston <bje@au.ibm.com>
7047 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7049 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7052 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7055 2006-03-07 Richard Guenther <rguenther@suse.de>
7057 PR tree-optimization/26587
7058 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7060 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7062 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7064 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7066 * hooks.c (hook_bool_mode_rtx_true): New function.
7067 * hooks.h (hook_bool_mode_rtx_true): Declare.
7068 * toplev.c (compile_file): Call output_shared_constant_pool.
7069 * varasm.c (shared_constant_pool): New variable.
7070 (assemble_start_function, assemble_end_function): Remove arguments
7071 from call to output_constant_pool.
7072 (create_constant_pool): New function, split out from...
7073 (init_varasm_status): ...here.
7074 (force_const_mem): Choose between the shared and per-function constant
7075 pools. Set current_function_uses_const_pool when reusing old entries
7076 as well as when creating new ones.
7077 (mark_constant): Ignore data argument.
7078 (mark_constants): Remove pool argument.
7079 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7080 to decide whether the function uses a constant pool.
7081 (output_constant_pool_contents): New function, split out from...
7082 (output_constant_pool): ...here.
7083 (output_shared_constant_pool): New function.
7084 (init_varasm_once): Initialize shared_constant_pool.
7085 * output.h (output_constant_pool): Delete.
7086 (output_shared_constant_pool): Declare.
7087 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7088 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7090 2006-03-06 Nick Clifton <nickc@redhat.com>
7092 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7093 flag_strength_reduce.
7095 2006-03-06 Ben Elliston <bje@au.ibm.com>
7097 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7098 x86_64-*-linux* configurations.
7100 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7101 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7103 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7105 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7107 * basic-block.h: Remove the extern for
7108 rediscover_loops_after_threading.
7110 * cfgloop.c (cancel_loop): Make it static.
7111 * cfgloop.h: Remove the prototype for cancel_loop.
7113 * flow.c (recompute_reg_usage): Make it static.
7114 * rtl.h: Remove the prototype for recompute_reg_usage.
7116 * function.c (use_return_register): Make it static.
7117 * function.h: Remove the prototype.
7119 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7121 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7123 * recog.h: Remove the prototype for
7124 validate_change_maybe_volatile.
7126 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7128 * rtlanal.c (replace_reg): Remove.
7129 * rtl.h: Remove the prototype for replace_reg.
7131 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7133 * regclass.c (reg_scan_update): Remove.
7134 (reg_scan_mark_refs): Remove the last argument.
7135 * rtl.h: Remove the prototype for reg_scan_update.
7137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7139 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7140 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7141 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7142 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7143 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7144 loop-invariant.c, omp-low.c, opts.c, passes.c,
7145 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7146 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7147 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7148 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7149 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7150 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7154 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7155 * dwarf2out.h: Remove the prototype for
7156 dwarf2out_add_library_unit_info.
7158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7160 * tree.c (add_var_to_bind_expr): Remove.
7161 * tree.h: Remove the prototype for add_var_to_bind_expr.
7163 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7165 * regclass.c (n_non_fixed_regs): Remove.
7166 (init_reg_sets_1, globalize_reg): Remove all uses of
7168 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7170 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7172 * rtlanal.c (insns_safe_to_move_p): Remove.
7173 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7175 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7177 * expmed.c (expand_mult_add): Remove.
7178 * expr.h: Remove the prototype for expand_mult_add.
7180 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7182 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7183 and REG_SAVED_VAL_EXP constants.
7184 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7185 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7186 Handle regs stored by value.
7187 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7188 (execute_cfa_program): Handle DW_CFA_val_offset,
7189 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7190 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7191 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7192 (uw_install_context_1): Handle target regs stored by value.
7194 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7196 * tree-sra.c (tree_sra): Return todoflags;
7197 (generate_one_element): Set TODO_update_smt_usage if needed.
7198 (pass_sra): Remove TODO_update_smt_usage.
7199 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7201 (tree_ssa_forward_propagate_single_use_vars): Return
7202 TODO_update_smt_usage if we need to update SMT usage.
7203 (pass_forwprop): Remove TODO_update_smt_usage.
7205 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7207 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7208 (correct_use_link): Remove reference to get_stmt_operands.
7209 (update_stmt_operands): Likewise.
7210 (get_modify_expr_operands): New function factored out of
7211 parse_ssa_operands and get_expr_operands.
7212 Try to create V_MUST_DEFs for LHS by default.
7213 (get_expr_operands) <case MODIFY_EXPR>: Call
7214 get_modify_expr_operands.
7215 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7216 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7217 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7218 get_modify_expr_operands.
7220 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7222 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7223 * tree-flow.h: Remove the prototype for
7224 referenced_var_lookup_if_exists.
7226 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7228 PR rtl-optimization/26345
7230 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7232 2006-03-03 Roger Sayle <roger@eyesopen.com>
7234 PR tree-optimization/26524
7235 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7236 fold_convert to create a constant of the appropriate type.
7238 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7240 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7241 SYMBOL_REF_IN_BLOCK_P.
7242 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7243 of SYMBOL_FLAG_IN_BLOCK.
7244 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7245 instead of SYMBOL_REF_IN_BLOCK_P.
7246 * explow.c (use_anchored_address): Likewise.
7247 * rtl.c (rtx_size): Likewise.
7248 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7249 instead of SYMBOL_FLAG_IN_BLOCK.
7250 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7251 SYMBOL_REF_IN_BLOCK_P.
7252 (assemble_variable): Likewise.
7253 (output_constant_def_contents): Likewise.
7254 (output_constant_pool): Likewise.
7255 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7256 instead of SYMBOL_FLAG_IN_BLOCK.
7257 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7258 SYMBOL_REF_IN_BLOCK_P.
7259 (SYMBOL_REF_BLOCK): Likewise.
7260 (SYMBOL_REF_OFFSET): Likewise.
7261 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7262 SYMBOL_REF_IN_BLOCK_P.
7263 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7264 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7265 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7266 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7268 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7270 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7272 2006-03-02 Roger Sayle <roger@eyesopen.com>
7274 * simplify-rtx.c (simplify_unary_operation): When simplifying
7275 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7276 that we perform the right shift in the appropriate mode, and
7277 then extend or truncate the result to requested mode.
7279 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7281 * gengtype.c (main): Handle double_int type.
7282 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7283 * double-int.c: New file.
7284 * double-int.h: New file.
7285 * system.h: Include doubleint.h.
7286 * Makefile.in (SYSTEM_H): Include double-int.h.
7287 (double-int.o): Add.
7289 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7292 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7295 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7297 * tree-vrp.c (remove_range_assertions): Do not update statements
7300 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7302 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7304 * gcse.c (rest_of_handle_gcse): Ditto.
7305 * except.c (gate_handle_eh): Ditto.
7306 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7307 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7309 2006-03-02 Eric Christopher <echristo@apple.com>
7311 * config/i386/i386.c (machopic_output_stub): Add indirection to
7314 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7318 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7320 Sun Niagara specific optimizations.
7321 * config.gcc: Recognize niagara as target.
7322 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7323 (TARGET_CPU_niagara): Define.
7324 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7325 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7326 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7327 (ASM_CPU_SPEC): Likewise.
7328 (PROCESSOR_NIAGARA): New enum entry.
7329 (REGISTER_MOVE_COST): Handle Niagara.
7330 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7331 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7332 (sparc_override_options): Recognize "niagara", set appropriate
7333 default MASK_* values for it, and align functions to 32-bytes
7334 by default just like ULTRASPARC/ULTRASPARC3.
7335 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7336 (sparc64_initialize_trampoline): Likewise.
7337 (sparc_use_sched_lookahead): Use zero for niagara.
7338 (sparc_issue_rate): Use one for niagara.
7339 * config/sparc/niagara.md: New file.
7340 * config/sparc/sparc.md: Include it.
7341 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7342 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7343 when default cpu is niagara.
7344 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7345 (ASM_CPU_SPEC): Likewise.
7346 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7347 when default cpu is niagara.
7348 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7349 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7350 just like v9/ultrasparc/ultrasparc3.
7351 * doc/invoke.texi: Add documentation for "niagara" and improve
7352 existing documentation for ultrasparc variants.
7354 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7356 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7358 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7360 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7361 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7362 and say that only one is needed.
7363 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7364 * target.h (have_switchable_bss_sections): New hook.
7365 * explow.c (use_anchored_address): Check that the symbol is in a block.
7366 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7367 (bss_noswitch_section): New variables.
7368 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7369 (get_noswitch_section): New function.
7370 (get_block_for_section): Allow SECT to be null.
7371 (unlikely_text_section_p): Use SECTION_STYLE.
7372 (bss_initializer_p): New function.
7373 (get_variable_section): Move earlier in file. Take a new argument,
7374 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7375 Return one of the new *_sections in such cases.
7376 (get_block_for_decl): New function, extracting some logic from
7377 use_blocks_for_decl_p.
7378 (change_symbol_section): Remove in favor of...
7379 (change_symbol_block): ...this new function.
7380 (use_blocks_for_decl_p): Remove checks now performed by
7382 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7383 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7384 (emit_local, emit_bss, emit_common): ...these new functions.
7385 Return true if the alignment was honored.
7386 (emit_tls_common): New function.
7387 (asm_emit_uninitialised): Delete.
7388 (assemble_variable_noswitch): New function, split out from...
7389 (assemble_variable): ...here. Don't make decisions about common
7390 variables here. Globalize all public decls that go into non-common
7391 sections. Check whether SYMBOL_REF_BLOCK is null.
7392 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7393 (output_constant_pool): Likewise.
7394 (init_varasm_once): Initialize the new section variables.
7395 (have_global_bss_p): New function.
7396 (categorize_decl_for_section): Use bss_initializer_p.
7397 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7398 (place_block_symbol): Assert that the symbol must be in a block.
7399 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7400 (TARGET_INITIALIZER): Include it.
7401 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7402 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7403 (SECTION_MACH_DEP): Bump by two.
7404 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7405 (unnamed_section): Mention SECTION_UNNAMED in comment.
7406 (named_section): Likewise SECTION_NAMED.
7407 (noswitch_section_callback): New type.
7408 (noswitch_section): New structure.
7409 (section): Add a noswitch_section alternative.
7410 (SECTION_STYLE): New macro.
7411 (tls_comm_section, comm_section, lcomm_section): Declare.
7412 (bss_noswitch_section, have_global_bss_p): Declare.
7413 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7414 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7416 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7417 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7420 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7422 * tree-vrp.c (execute_vrp): Return value.
7423 * regrename.c (rest_of_handle_regrename): Ditto.
7424 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7425 * tree-complex.c (tree_lower_complex): Ditto.
7426 (tree_lower_complex_O0): Ditto.
7427 * tracer.c (rest_of_handle_tracer): Ditto.
7428 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7429 * postreload.c (rest_of_handle_postreload): Ditto.
7430 * tree-tailcall.c (execute_tail_recursion): Ditto.
7431 (execute_tail_calls): Ditto.
7432 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7433 * tree.h (init_function_for_compilation): Ditto.
7434 * ipa-cp.c (ipcp_driver): Ditto.
7435 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7436 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7437 * final.c (compute_alignments): Ditto.
7438 (rest_of_handle_final): Ditto.
7439 (rest_of_handle_shorten_branches): Ditto.
7440 (rest_of_clean_state): Ditto.
7441 * omp-low.c (execute_expand_omp): Ditto.
7442 (execute_lower_omp): Ditto.
7443 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7444 * ipa-reference.c (static_execute): Ditto.
7445 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7446 * reorg.c (rest_of_handle_delay_slots): Ditto.
7447 (rest_of_handle_machine_reorg): Ditto.
7448 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7449 * flow.c (recompute_reg_usage): Ditto.
7450 (rest_of_handle_remove_death_notes): Ditto.
7451 (rest_of_handle_life): Ditto.
7452 (rest_of_handle_flow2): Ditto.
7453 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7454 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7455 (do_ssa_store_ccp): Ditto.
7456 (execute_fold_all_builtins): Ditto.
7457 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7458 * modulo-sched.c (rest_of_handle_sms): Ditto.
7459 * ipa-pure-const.c (static_execute): Ditto.
7460 * cse.c (rest_of_handle_cse): Ditto.
7461 (rest_of_handle_cse2): Ditto.
7462 * web.c (rest_of_handle_web): Ditto.
7463 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7464 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7465 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7466 * tree-nrv.c (tree_nrv): Ditto.
7467 (execute_return_slot_opt): Ditto.
7468 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7469 (create_structure_vars): Ditto.
7470 * loop-init.c (rtl_loop_init): Ditto.
7471 (rtl_loop_done): Ditto.
7472 (rtl_move_loop_invariants): Ditto.
7473 (rtl_unswitch): Ditto.
7474 (rtl_unroll_and_peel_loops): Ditto.
7475 (rtl_doloop): Ditto.
7476 * gimple-low.c (lower_function_body): Ditto.
7477 (mark_used_blocks): Ditto.
7478 * tree-ssa-sink.c (execute_sink_code): Ditto.
7479 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7480 (cgraph_early_inlining): Ditto.
7481 * global.c (rest_of_handle_global_alloc): Ditto.
7482 * jump.c (cleanup_barriers): Ditto.
7483 (purge_line_number_notes): Ditto.
7484 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7485 (rest_of_handle_if_after_reload): Ditto.
7486 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7487 (tree_ssa_loop_im): Ditto.
7488 (tree_ssa_loop_unswitch): Ditto.
7489 (tree_vectorize): Ditto.
7490 (tree_linear_transform): Ditto.
7491 (tree_ssa_loop_ivcanon): Ditto.
7492 (tree_ssa_empty_loop): Ditto.
7493 (tree_ssa_loop_bounds): Ditto.
7494 (tree_complete_unroll): Ditto.
7495 (tree_ssa_loop_prefetch): Ditto.
7496 (tree_ssa_loop_ivopts): Ditto.
7497 (tree_ssa_loop_done): Ditto.
7498 * predict.c (tree_estimate_probability): Ditto.
7499 * recog.c (split_all_insns_noflow): Ditto.
7500 (rest_of_handle_peephole2): Ditto.
7501 (rest_of_handle_split_all_insns): Ditto.
7502 * tree-eh.c (lower_eh_constructs): Ditto.
7503 * regmove.c (rest_of_handle_regmove): Ditto.
7504 (rest_of_handle_stack_adjustments): Ditto.
7505 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7506 * function.c (instantiate_virtual_regs): Ditto.
7507 (init_function_for_compilation): Ditto.
7508 (rest_of_handle_check_leaf_regs): Ditto.
7509 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7510 (rest_of_handle_gcse): Ditto.
7511 * ipa-type-escape.c (type_escape_execute): Ditto.
7512 * alias.c (rest_of_handle_cfg): Ditto.
7513 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7514 * profile.c (rest_of_handle_branch_prob): Ditto.
7515 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7516 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7517 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7518 * tree-dfa.c (find_referenced_vars): Ditto.
7519 * except.c (set_nothrow_function_flags): Ditto.
7520 (convert_to_eh_region_ranges): Ditto.
7521 (rest_of_handle_eh): Ditto.
7522 * emit-rtl.c (unshare_all_rtl): Ditto.
7523 (remove_unnecessary_notes): Ditto.
7524 * except.h (set_nothrow_function_flags): Ditto.
7525 (convert_to_eh_region_ranges): Ditto.
7526 * cfgexpand.c (tree_expand_cfg): Ditto.
7527 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7528 * tree-ssa-pre.c (do_pre): Ditto.
7529 (execute_fre): Ditto.
7530 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7531 (rest_of_handle_jump2): Ditto.
7532 * tree-sra.c (tree_sra): Ditto.
7533 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7534 (execute_mudflap_function_decls): Ditto.
7535 * tree-ssa-copy.c (do_copy_prop): Ditto.
7536 (do_store_copy_prop): Ditto.
7537 * ipa-prop.h (ipcp_driver): Ditto.
7538 * cfglayout.c (insn_locators_initialize): Ditto.
7539 * tree-ssa-forwprop.c
7540 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7541 * cfglayout.h (insn_locators_initialize): Ditto.
7542 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7543 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7544 (execute_late_warn_uninitialized): Ditto.
7545 * rtl.h (cleanup_barriers): Ditto.
7546 (split_all_insns_noflow): Ditto.
7547 (purge_line_number_notes): Ditto.
7548 (unshare_all_rtl): Ditto.
7549 (remove_unnecessary_notes): Ditto.
7550 (recompute_reg_usage): Ditto.
7551 (variable_tracking_main): Ditto.
7552 * integrate.c (emit_initial_value_sets): Ditto.
7553 * integrate.h (emit_initial_value_sets): Ditto.
7554 * tree-optimize.c (execute_free_datastructures): Ditto
7555 (execute_free_cfg_annotations): Ditto.
7556 (execute_fixup_cfg): Ditto.
7557 (execute_cleanup_cfg_pre_ipa): Ditto.
7558 (execute_cleanup_cfg_post_optimizing): Ditto.
7559 (execute_init_datastructures): Ditto.
7560 * tree-object-size.c (compute_object_sizes): Ditto.
7561 * combine.c (rest_of_handle_combine): Ditto.
7562 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7563 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7564 (rest_of_handle_reorder_blocks): Ditto.
7565 (rest_of_handle_partition_blocks): Ditto.
7566 * var-tracking.c (variable_tracking_main): Ditto.
7567 * tree-profile.c (tree_profiling): Ditto.
7568 * tree-vect-generic.c (expand_vector_operations): Ditto.
7569 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7570 * sched-rgn.c (rest_of_handle_sched): Ditto.
7571 (rest_of_handle_sched2): Ditto.
7572 * basic-block.h (free_bb_insn): Ditto.
7573 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7574 * tree-cfg.c (execute_build_cfg): Ditto.
7575 (remove_useless_stmts): Ditto.
7576 (split_critical_edges): Ditto.
7577 (execute_warn_function_return): Ditto.
7578 (execute_warn_function_noreturn): Ditto.
7579 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7580 * cfgrtl.c (free_bb_for_insn): Ditto.
7581 * passes.c (execute_one_pass): Run additional
7582 todos returned by execute function.
7583 * tree-pass.h (struct tree_opt_pass): Make execute
7586 2006-03-02 Richard Guenther <rguenther@suse.de>
7588 * tree-ssa-alias.c (find_used_portions): Consider taking
7589 the address as making the variable not write-only.
7591 2006-03-02 Nick Clifton <nickc@redhat.com>
7593 * config.gcc (default_use_cxa_atexit): Extend the description of
7594 this configure variable. Set its default value to "yes" for
7595 Linux, NetBSD and ELF targets on the assumption that they will
7596 use C libraries with the __cxa_atexit function.
7598 2006-03-02 Ben Elliston <bje@au.ibm.com>
7600 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7601 parameter as unused to suppress a build warning.
7603 2006-03-02 Ben Elliston <bje@au.ibm.com>
7605 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7608 2006-03-01 Roger Sayle <roger@eyesopen.com>
7611 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7612 declared name, the weak reference name, and the typeof name.
7613 (__gthrw): Avoid expanding the declared name suffix.
7614 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7616 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7618 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7620 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7621 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7622 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7623 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7624 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7625 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7626 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7627 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7628 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7629 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7630 (DW_END_default, DW_END_big, DW_END_little): New.
7631 (DW_END_lo_user, DW_END_hi_user): Define.
7632 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7633 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7634 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7637 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7639 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7641 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7643 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7645 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7647 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7648 to 'symbol_mem_tag'.
7650 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7653 2006-03-01 Roger Sayle <roger@eyesopen.com>
7655 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7657 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7660 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7661 MACHO_DYNAMIC_NO_PIC_P.
7662 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7664 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7667 * config/darwin-protos.h (darwin_asm_output_anchor):
7669 * config/darwin-sections.def (cstring_section):
7670 Add SECTION_MERGE to the flags.
7671 (literal4_section): Likewise.
7672 (literal8_section): Likewise.
7673 (objc_selector_refs_section): Likewise.
7674 (objc_cls_refs_section): Likewise.
7675 * config/darwin.c (darwin_asm_output_anchor): New
7677 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7679 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7681 Fix PR tree-optimization/26443
7682 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7683 to todo and PROP_tmt_usage to properties_destroyed.
7684 * tree-ssa-ccp.c (pass_ccp): Ditto.
7685 (pass_store_ccp): Ditto.
7686 * tree-ssa-dom.c (pass_dominator): Ditto.
7688 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7690 * tree-ssa-operands.c: Cleanup whitespace.
7691 (get_asm_expr_operands): Move before first invocation.
7692 (get_indirect_ref_operands): Likewise.
7693 (get_tmr_operands): Likewise.
7694 (get_call_expr_operands): Likewise.
7695 (append_def): Likewise.
7696 (append_use): Likewise.
7697 (append_v_may_def): Likewise.
7698 (append_v_must_def): Likewise.
7699 (add_call_clobber_ops): Likewise.
7700 (add_call_read_ops): Likewise.
7701 (add_stmt_operand): Likewise.
7702 (add_virtual_operand): Likewise.
7703 (build_ssa_operands): Likewise.
7705 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7710 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7711 with a call expr to ...
7712 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7714 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7716 * tree-vrp.c (extract_range_from_assert): Remove special
7717 handling for types with super-types.
7719 2006-03-01 Ben Elliston <bje@au.ibm.com>
7721 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7722 and powerpc64-*-linux* configurations.
7723 * config/t-dfprules: New file.
7725 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7726 Compile dfp-bit.c from the source directory using -DWIDTH and
7727 $DFP_CFLAGS to control the compilation of that file, rather than
7728 generating width-specific versions in the build directory.
7729 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7730 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7732 2006-02-28 Zack Weinberg <zackw@panix.com>
7734 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7737 2006-02-28 Eric Christopher <echristo@apple.com>
7739 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7740 Set up IN_LIBGCC definition of TARGET_64BIT.
7741 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7743 2006-02-28 Roger Sayle <roger@eyesopen.com>
7746 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7747 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7748 cases via the construction of "expr != 0".
7750 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7752 * alias.c (alias_invariant, alias_invariant_size): Remove.
7753 (record_base_value): Remove.
7754 (memrefs_conflict_p): Don't look at alias_invariant.
7755 (end_alias_analysis): Don't free it.
7756 * alias.h (record_base_value): Remove prototype.
7758 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7759 Adam Nemet <anemet@caviumnetworks.com>
7761 * rtl.h (truncated_to_mode): Declare it.
7762 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7763 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7764 (RTL_HOOKS_INITIALIZER): Include it.
7765 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7766 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7767 reg_truncated_to_mode.
7768 * rtlanal.c (truncated_to_mode): Define it.
7769 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7771 2006-02-28 Jeff Law <law@redhat.com>
7773 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7774 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7775 the range allowed by TYPE_PRECISION.
7777 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7779 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7781 PR tree-optimization/26419
7782 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7785 2006-02-27 Zack Weinberg <zackw@panix.com>
7787 * doc/md.texi: Fix typo in previous change.
7789 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7793 2006-02-27 Zack Weinberg <zackw@panix.com>
7795 * rtl.def (define_constraint, define_register_constraint)
7796 (define_memory_constraint, define_address_constraint): New MD forms.
7797 * gensupport.c (process_rtx): Put define_constraint etc on the
7799 * genpreds.c (process_define_predicate): Adjust comment. Validate
7800 the name, and call validate_exp to validate the expression.
7801 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7802 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7803 all callers changed.
7804 (validate_exp, needs_variable, struct constraint_data)
7805 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7806 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7807 (const_dbl_constraints, constraint_max_namelen)
7808 (have_register_constraints, have_memory_constraints)
7809 (have_address_constraints, have_address_constraints)
7810 (have_extra_constraints, have_const_int_constraints)
7811 (have_const_dbl_constraints, mangle, add_constraint)
7812 (process_define_constraint, process_define_register_constraint)
7813 (write_enum_constraint_num, write_lookup_constraint)
7814 (write_insn_constraint_len, write_regclass_for_constraint)
7815 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7816 (write_insn_extra_memory_constraint)
7817 (write_insn_extra_address_constraint)
7818 (write_satisfies_constraint_fns): New.
7819 (write_tm_preds_h): If we have new-style constraint definitions,
7820 prototype the functions generated from them, and define the
7821 old constraint interface (still used by generic code) in terms of
7823 (write_insn_preds_c): If we have new-style constraint definitions,
7824 generate all relevant functions from those definitions.
7825 (main): Handle define_constraint etc.
7826 * genoutput.c (struct constraint_data, indep_constraints)
7827 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7828 (mdep_constraint_len): New data structures and functions, defined
7829 #ifdef USE_MD_CONSTRAINTS.
7830 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7831 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7832 use new logic to validate operand constraints against constraint
7834 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7836 * defaults.h: If none of the old-style constraint macros are
7837 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7838 old-style macros; and poison REG_CLASS_FROM_LETTER,
7839 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7841 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7842 * doc/md.texi: Document new constraint-definition mechanism and the
7843 C interface it provides. Remove references to old mechanism
7844 elsewhere in the document.
7845 (Machine Constraints): Use pathnames relative to gcc directory,
7846 i.e. config/ARCH/FILE. Change i386 section to refer to
7847 config/i386/predicates.md; update that section to match docstrings.
7848 * doc/tm.texi: Move all documentation of the old constraint-
7849 definition macros to their own section, clearly mark as obsolete.
7851 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7852 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7854 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7855 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7856 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7858 (splits and peepholes): Use satisfies_constraint_*.
7859 * config/i386/i386.c (memory_address_length)
7860 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7862 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7864 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7865 scalar operation to be put back into the loop.
7867 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7870 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7871 (extract_cie_info): Handle S flag in augmentation string.
7872 (execute_cfa_program): If context->signal_frame, execute also
7873 fs->pc == context->ra instructions.
7874 (uw_frame_state_for): If context->signal_frame, don't subtract one
7875 from context->ra to find FDE.
7876 (uw_update_context_1): Set context->signal_frame to
7878 (_Unwind_GetIPInfo): New function.
7879 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7880 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7882 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7883 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7884 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7885 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7886 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7887 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7888 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7889 x86_64_fallback_frame_state): Set fs->signal_frame.
7890 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7891 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7892 (frob_update_context): Likewise. Workaround missing S flag in
7893 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7894 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7895 Remove the psw_addr + 1 hack.
7897 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7899 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7900 with aggregates here.
7901 (find_func_aliases): Remove code for &<aggregate> from here.
7903 2006-02-26 Roger Sayle <roger@eyesopen.com>
7905 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7906 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7907 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7910 2006-02-26 Roger Sayle <roger@eyesopen.com>
7913 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7915 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7917 * opts.c (decode_options): Do not handle flag_strength_reduce.
7918 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7919 and OPT_fstrength_reduce.
7920 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7921 flag_prefetch_loop_arrays for being nonzero.
7922 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7924 (fprefetch-loop-arrays-rtl): Removed.
7925 (flag_prefetch_loop_arrays): Do not specify the value.
7927 * doc/passes.texi: Update documentation of loop optimizer
7929 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7930 -frerun-loop-opt): Remove.
7932 2006-02-26 Richard Guenther <rguenther@suse.de>
7934 PR tree-optimization/26421
7935 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7936 in function calls that are ADDR_EXPRs as using the whole structure.
7938 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7940 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7941 * tree-pass.h (pass_loop_optimize): Remove.
7942 * passes.c (pass_loop_optimize): Never run it.
7943 * toplev.c (backend_init): Don't call init_loop.
7944 * opts.c (flag_loop_optimize_set): Remove.
7945 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7946 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7947 the old RTL loop optimizer when profiling enabled.
7948 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7949 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7950 pre-headers for the sake of the old RTL loop optimizer.
7951 * Makefile.in: Remove all references to loop.o.
7953 * doc/invoke.texi: Remove all references to -floop-optimize
7954 and -frerun-loop-opt.
7956 2006-02-26 Zack Weinberg <zackw@panix.com>
7958 * doc/md.texi (Machine Constraints): Refer to all files with paths
7959 relative to gcc directory (i.e. config/CPU/file). Add missing
7960 @table @code ... @end table to M32C subsection.
7962 2006-02-26 Roger Sayle <roger@eyesopen.com>
7964 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7966 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7968 2006-02-26 Roger Sayle <roger@eyesopen.com>
7969 James A. Morrison <phython@gcc.gnu.org>
7972 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7973 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7974 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7975 signedness of the shift operation.
7977 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7979 PR tree-optimization/26359
7980 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7982 2006-02-25 Roger Sayle <roger@eyesopen.com>
7984 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7985 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7986 as X == 0, and some symmetry related transformations.
7987 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7989 2006-02-25 Roger Sayle <roger@eyesopen.com>
7992 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7993 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7994 symmetry related transformations. Fold (X^C1) == C2 as
7997 2006-02-25 Juergen Weigert <jw@suse.de>
7998 Richard Guenther <rguenther@suse.de>
8000 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8002 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8004 * combine.c (gen_lowpart_or_truncate): Call
8005 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8007 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8009 * doc/invoke.texi: Move -fopenmp description to "Options for
8011 Remove reference to -lgomp.
8013 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8015 * doc/install.texi: Require GNU tar version 1.14.
8017 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8019 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8020 * doc/invoke.texi (C++ Dialect Options): Document
8021 -fno-use-cxa-get-exception-ptr.
8022 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8023 * configure: Regenerate.
8024 * c.opt (fuse-cxa-get-exception-ptr): New.
8025 * c-opts.c (c_common_handle_option): Handle
8026 OPT_fuse_cxa_get_exception_ptr.
8027 * c-common.c (flag_use_cxa_atexit): Update documentation.
8028 (flag_use_cxa_get_exception_ptr): New.
8029 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8030 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8032 (C_COMMON_OVERRIDE_OPTIONS): New.
8034 2006-02-24 Roger Sayle <roger@eyesopen.com>
8037 * combine.c (try_combine): Explicitly check whether GET_CODE is
8038 a SET or a CLOBBER, instead on checking that it isn't a USE.
8040 2006-02-24 Roger Sayle <roger@eyesopen.com>
8042 * fold-const.c (fold_comparison): New subroutine of fold_binary
8043 containing transformations common to both the equality and
8044 ordering relational operators, factored out of fold_binary.
8045 (fold_binary): Separate out the equality operators (EQ_EXPR
8046 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8047 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8048 transformations common to both.
8049 (fold_div_compare): Fix latent bugs in the previously unreachable
8050 LT_EXPR and GE_EXPR cases.
8052 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8054 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8055 decl libname for clog to __clog on AIX.
8057 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8059 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8062 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8063 output traceback table for thunks. Localise rs6000_stack_info call.
8065 2006-02-23 Roger Sayle <roger@eyesopen.com>
8066 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8068 * gthr-posix.h (__gthrw): Fix typo in comment.
8070 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8072 * doc/cpp.texi (Character sets): Document that we do support
8073 input files to be in any character set.
8075 2006-02-23 Jeff Law <law@redhat.com>
8077 * tree.h (PHI_ARG_NONZERO): Remove.
8078 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8079 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8080 node to the new node.
8082 PR tree-optimization/26425
8083 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8084 min/max, then assume its varying.
8086 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8088 PR rtl-optimization/26316
8089 * rtlanal.c (enum may_trap_p_flags): New.
8090 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8091 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8092 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8093 (may_trap_after_code_motion_p): New function.
8094 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8095 (find_invariant_insn): Use may_trap_after_code_motion_p.
8096 * rtl.h (may_trap_after_code_motion_p): Declare.
8098 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8100 * emit-rtl.c (immed_double_const): Cleanup.
8102 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8104 Fix PR tree-optimization/26376
8105 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8108 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8111 * gimplify.c (omp_add_variable): Guard variable size decl test with
8112 DECL_SIZE (decl) check.
8114 2006-02-23 Richard Guenther <rguenther@suse.de>
8117 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8118 like aggregate types.
8120 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8122 * configure.ac: Add --with{,out}-long-double-128 configure option.
8123 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8124 * configure: Rebuilt.
8125 * config.in: Rebuilt.
8126 * doc/install.texi (Options specification): Document
8127 --with-long-double-128.
8129 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8130 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8131 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8132 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8134 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8136 * config/s390/s390.c (override_options): Handle
8137 TARGET_DEFAULT_LONG_DOUBLE_128.
8139 * config/alpha/alpha.c (override_options): Handle
8140 TARGET_DEFAULT_LONG_DOUBLE_128.
8142 * config/sparc/sparc.c (sparc_override_options): Handle
8143 TARGET_DEFAULT_LONG_DOUBLE_128.
8145 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8147 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8148 (real-install-headers-tar, real-install-headers-cpio)
8149 (real-install-headers-cp): New targets.
8151 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8153 * tree.h (variable_section): Delete.
8154 * varasm.c (variable_section): Delete.
8156 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8158 * install.texi: Add notes on install.texi2html.
8159 (Building in parallel): Do not use footnotes.
8161 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8164 * doc/install.texi (Configuration): Document --disable-libgomp.
8166 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8168 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8170 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8172 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8173 (vec_extractv2df_0_sse): New.
8175 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8177 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8178 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8179 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8180 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8181 to the result of the expression.
8182 (def_cfa_1): Adjust.
8183 (frame_pointer_cfa_offset): Rename to...
8184 (frame_pointer_fb_offset): ... this. Adjust all uses.
8185 (convert_cfa_to_loc_list): Rename to...
8186 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8187 Pass it on to build_cfa_loc.
8188 (compute_frame_pointer_to_cfa_displacement): Rename to...
8189 (compute_frame_pointer_to_fb_displacement): ... this. New
8190 offset parameter. Use it in computation.
8191 (gen_subprogram_die): Compute cfa_fb_offset with the new
8192 macro, and use it to compute the fb loc list and the
8195 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8197 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8198 replaced with register_operand.
8199 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8200 non-DREG is expensive.
8201 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8202 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8205 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8207 * doc/install.texi2html: Use set -e.
8209 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8211 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8212 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8213 * doc/invoke.texi (-fshared-data): Delete.
8214 * common.opt (fshared-data): Delete.
8215 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8216 (assemble_static_space): Remove #if 0 code.
8217 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8218 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8219 * config/cris/cris.h: Remove FIXME.
8221 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8223 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8226 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8229 * combine.c (simplify_shift_const_1): Disable nested shifts
8230 optimization for vector shifts.
8232 2006-02-20 Roger Sayle <roger@eyesopen.com>
8234 PR tree-optimization/26361
8235 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8236 of unsigned integer types.
8238 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8240 * tree-chrec.c (eq_evolutions_p): New.
8241 * tree-chrec.h (eq_evolutions_p): Declared.
8242 * tree-data-ref.c: Fix formatting.
8243 (datadep_stats, dependence_stats): New.
8245 (print_direction_vector): New.
8246 (dump_data_dependence_relation): Use print_direction_vector.
8247 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8248 (compute_subscript_distance): Static.
8249 (initialize_data_dependence_relation): Static. Get the number
8250 of loops surrounding the references from the callers, and initialize
8251 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8252 base_object_differ_p analyzers.
8253 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8254 compute_overlap_steps_for_affine_1_2,
8255 analyze_subscript_affine_affine): Count the classified dependences.
8256 Print a message when a test failed.
8257 (can_use_analyze_subscript_affine_affine): New.
8258 (analyze_siv_subscript): Compute the data dependences on symbolic
8259 scevs that verify can_use_analyze_subscript_affine_affine.
8260 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8261 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8262 Handle symbolic scevs.
8263 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8265 (subscript_dependence_tester): Moved...
8266 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8267 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8268 DDR_SIZE_VECT instead of getting it in parameter.
8269 (subscript_dependence_tester): ... here. Take as a parameter
8270 loop_nest_depth. Call build_classic_dist_vector and
8271 build_classic_dir_vector.
8272 (compute_affine_dependence): Update subscript_dependence_tester
8273 parameters. Update datadep_stats counters. Call
8274 compute_subscript_distance.
8275 (compute_self_dependence): Save the dist and dir vectors. Call
8276 compute_subscript_distance.
8277 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8278 (compute_all_dependences): Reorder parameters as they were before
8279 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8280 compute_subscript_distance. Update the use of
8281 compute_affine_dependence and initialize_data_dependence_relation.
8282 (find_data_references_in_loop): Handle COMPONENT_REF.
8283 (compute_data_dependences_for_loop): Initialize dependence_stats.
8284 Don't call build_classic_dist_vector and build_classic_dir_vector.
8285 Update the parameters of initialize_data_dependence_relation and
8286 compute_all_dependences. Print the statistics from datadep_stats.
8287 (analyze_all_data_dependences): Static. Not used until the pass for
8288 checking the data dependences is contributed.
8289 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8290 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8291 (initialize_data_dependence_relation, compute_affine_dependence,
8292 analyze_all_data_dependences, compute_subscript_distance): Removed.
8293 (print_direction_vector): New.
8294 * lambda.h (gcd): ... here.
8295 (lambda_vector_gcd): Moved here from gcd_vector.
8296 * lambda-code.c (gcd, gcd_vector): Removed.
8297 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8298 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8300 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8302 * ipa-type-escape.c: Tidy some comments and white space.
8303 * tree-ssa-operands.c: Likewise.
8305 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8308 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8309 (dump_decl_name): Do not walk the decl tree chains.
8310 * tree-pass.h (TDF_CHAIN): Remove.
8312 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8314 * Makefile.in (C): Remove
8316 (.PHONY): Remove C and PROTO
8318 2006-02-20 Roger Sayle <roger@eyesopen.com>
8321 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8322 deprecated CHAR_TYPE tree code.
8324 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8326 * configure.ac (target_list): Add install-info, dvi, html.
8327 * configure: Regenerate.
8329 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8330 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8331 treelang/Make-lang.in: Do not use double-colon rules.
8333 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8335 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8336 (TMT_USED_ALONE): New macro.
8337 * tree-pass.h (PROP_tmt_usage): New property.
8338 (TODO_update_tmt_usage): New todo.
8339 * tree-ssa-alias.c (updating_used_alone): New variable.
8340 (recalculate_used_alone): New function.
8341 (compute_may_aliases): Set updating_used_alone, call
8342 recalculate_used_alone.
8343 * tree-sra.c (pass_sra): Note that this pass destroys
8344 PROP_tmt_usage, and add TODO_update_tmt_usage.
8345 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8346 * tree-flow.h (updating_used_alone): Prototype.
8347 (recalculate_used_alone): Ditto.
8348 * passes.c (execute_todo): Add code to set updating_used_alone,
8349 and call recalculate.
8350 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8351 for clobber if used alone, and add assert to verify used_alone
8354 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8356 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8357 for non tls symbols added.
8358 (legitimize_address): Do nothing for PLUS expressions if one of the
8359 addends is a tls symbol reference.
8361 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8365 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8367 * Makefile.in (BOOTSTRAPPING): New.
8368 (quickstrap): New definition if BOOTSTRAPPING=yes.
8370 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8371 * configure.ac: Substitute all_selected_languages with the languages
8372 that were configured. For all the other variables except
8373 lang_specs_files, include all the languages in the tree.
8374 * configure: Regenerate.
8376 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8377 if there is one. Run the commands to run fixincludes in the same
8380 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8381 * doc/install.texi: Document exact conventions for searching target tools.
8382 Document --with-build-time-tools. Document toplevel bootstrap. Document
8383 something more about building an Ada cross-compiler. Don't list GNU Make
8384 requirements which affect all platforms.
8386 2006-02-19 Roger Sayle <roger@eyesopen.com>
8389 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8390 only equivalent if the have both the same mode and precision.
8392 2006-02-20 Ben Elliston <bje@au.ibm.com>
8394 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8396 2006-02-19 Roger Sayle <roger@eyesopen.com>
8397 Steven Bosscher <stevenb.gcc@gmail.com>
8399 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8400 constant pool references to identify stack mode constants.
8401 * rtlanal.c (constant_pool_constant_p): New predicate to check
8402 whether operand is a floating point constant in the pool.
8403 * rtl.h (constant_pool_constant_p): Prototype here.
8404 * loop.c (scan_loop): Avoid hoisting constants from the constant
8405 pool on STACK_REGS targets.
8406 (load_mems): Likewise.
8407 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8408 loads into x87 registers expensive in terms of register pressure.
8410 2006-02-19 Roger Sayle <roger@eyesopen.com>
8412 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8413 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8415 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8417 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8418 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8420 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8422 * doc/invoke.texi: Document -fipa-pta.
8423 * common.opt: Add ipa-pta option.
8424 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8425 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8426 (do_ds_constraint): Ditto.
8427 (get_constraint_for): Only add to referenced_vars if
8428 referenced_vars exists.
8429 (insert_into_field_list): Rewrite to do this unsorted.
8430 (insert_into_field_list_sorted): Rename old insert_into_field_list
8432 (create_function_info_for): Use insert_into_field_list_sorted.
8433 (create_variable_info_for): Rewrite so it uses unsorted version,
8434 since the field list is sorted.
8435 (intra_create_variable_infos): Only add to referenced_vars if
8436 referenced_vars exists.
8437 (ipa_pta_execute): Init heapvars, and delete when done.
8438 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8440 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8442 * doc/install.texi: Add missing `@samp'.
8444 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8446 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8449 2006-02-18 Mark Wielaard <mark@klomp.org>
8451 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8452 who added new 4.1 features, bug fixes and integration support.
8454 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8457 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8460 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8462 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8463 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8464 (copy_insn_1): Likewise. Don't copy each field individually.
8466 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8468 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8469 * rtl.c (rtx_size): Rename variable to...
8470 (rtx_code_size): ...this.
8471 (rtx_size): New function.
8472 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8473 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8475 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8476 * rtl.h (rtx_code_size): New variable.
8477 (rtx_size): Change from a variable to a function.
8478 (RTX_SIZE): Rename to...
8479 (RTX_CODE_SIZE): ...this.
8482 PR tree-optimization/17106
8483 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8484 (Anchored Addresses): New section.
8485 * doc/invoke.texi (-fsection-anchors): Document.
8486 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8487 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8488 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8489 * hooks.c (hook_bool_mode_rtx_false): New function.
8490 * hooks.h (hook_bool_mode_rtx_false): Declare.
8491 * gengtype.c (create_optional_field): New function.
8492 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8493 SYMBOL_REF_IN_BLOCK_P is true.
8494 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8495 (min_anchor_offset, max_anchor_offset): Likewise.
8496 (use_anchors_for_symbol_p): New hook.
8497 * toplev.c (compile_file): Call output_object_blocks.
8498 (target_supports_section_anchors_p): New function.
8499 (process_options): Check that -fsection-anchors is only used on
8500 targets that support it and when -funit-at-a-time is in effect.
8501 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8502 if the decl doesn't have one.
8503 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8504 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8505 of force_const_mem through use_anchored_address.
8506 (expand_expr_constant): New function.
8507 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8508 calling expand_expr for INDIRECT_REF.
8509 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8510 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8511 * expr.h (use_anchored_address): Declare.
8512 * loop-unroll.c: Don't declare rtx vectors here.
8513 * explow.c: Include output.h.
8514 (validize_mem): Call use_anchored_address.
8515 (use_anchored_address): New function.
8516 * common.opt (-fsection-anchors): New switch.
8517 * varasm.c (object_block_htab, anchor_labelno): New variables.
8518 (hash_section, object_block_entry_eq, object_block_entry_hash)
8519 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8520 (use_blocks_for_decl_p, change_symbol_section): New functions.
8521 (get_variable_section): New function, split out from assemble_variable.
8522 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8523 use_blocks_for_decl_p say so. Use change_symbol_section if the
8524 symbol has already been created.
8525 (assemble_variable_contents): New function, split out from...
8526 (assemble_variable): ...here. Don't output any code for
8527 block symbols; just pass them to place_block_symbol.
8528 Use get_variable_section and assemble_variable_contents.
8529 (get_constant_alignment, get_constant_section, get_constant_size): New
8530 functions, split from output_constant_def_contents.
8531 (build_constant_desc): Create a block symbol if use_object_blocks_p
8532 says so. Or into SYMBOL_REF_FLAGS.
8533 (assemble_constant_contents): New function, split from...
8534 (output_constant_def_contents): ...here. Don't output any code
8535 for block symbols; just pass them to place_section_symbol.
8536 Use get_constant_section and get_constant_alignment.
8537 (force_const_mem): Create a block symbol if use_object_blocks_p and
8538 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8539 (output_constant_pool_1): Add an explicit alignment argument.
8540 Don't switch sections here.
8541 (output_constant_pool): Adjust call to output_constant_pool_1.
8542 Switch sections here instead. Don't output anything for block symbols;
8543 just pass them to place_block_symbol.
8544 (init_varasm_once): Initialize object_block_htab.
8545 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8546 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8547 (place_block_symbol, get_section_anchor, output_object_block)
8548 (output_object_block_htab, output_object_blocks): New functions.
8549 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8550 (TARGET_ASM_OUT): Include it.
8551 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8552 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8553 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8554 (TARGET_INITIALIZER): Include them.
8555 * rtl.c (rtl_check_failed_block_symbol): New function.
8556 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8557 (block_symbol, object_block): New structures.
8558 (rtx_def): Add a block_symbol field to the union.
8559 (BLOCK_SYMBOL_CHECK): New macro.
8560 (rtl_check_failed_block_symbol): Declare.
8561 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8562 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8563 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8564 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8565 * output.h (output_section_symbols): Declare.
8566 (object_block): Name structure.
8567 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8568 (default_use_anchors_for_symbol_p): Declare.
8569 * Makefile.in (RTL_BASE_H): Add vec.h.
8570 (explow.o): Depend on output.h.
8571 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8572 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8573 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8574 (rs6000_use_blocks_for_constant_p): New function.
8576 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8578 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8580 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8583 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8586 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8588 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8592 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8595 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8596 instead of DECL_REGISTER.
8598 2006-02-18 Olivier Hainque <hainque@adacore.com>
8601 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8603 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8606 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8607 * opth-gen.awk: Handle Var and InverseMask together.
8608 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8609 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8610 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8611 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8613 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8614 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8615 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8616 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8617 LINUX_DYNAMIC_LINKER): Define.
8618 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8619 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8621 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8622 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8623 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8625 (TARGET_C99_FUNCTIONS): Don't define.
8626 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8627 GLIBC_DYNAMIC_LINKER.
8628 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8629 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8630 GLIBC_DYNAMIC_LINKER64): Define.
8631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8632 LINUX_DYNAMIC_LINKER64.
8633 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8635 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8637 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8639 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8640 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8641 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8643 and LINUX_DYNAMIC_LINKER32.
8644 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8646 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8648 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8650 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8651 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8652 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8653 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8654 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8655 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8656 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8657 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8658 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8659 LINUX_DYNAMIC_LINKER): Define.
8660 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8661 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8662 GLIBC_DYNAMIC_LINKER64): Define.
8663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8664 LINUX_DYNAMIC_LINKER64.
8665 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8666 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8667 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8668 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8669 LINUX_DYNAMIC_LINKER): Define.
8670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8671 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8672 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8673 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8674 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8675 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8676 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8677 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8678 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8679 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8681 * doc/invoke.texi (-muclibc): Remove caveat about supported
8684 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8686 * doc/cpp.texi (__TIMESTAMP__): Document.
8688 2006-02-17 Roger Sayle <roger@eyesopen.com>
8691 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8692 C is one less than the width of X (and related transformations).
8693 * simplify-rtx.c (simplify_unary_operation_1): Transform
8694 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8695 depending on STORE_FLAG_VALUE, were C is one less then the
8698 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8700 Fix PR tree-optimization/26341
8701 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8702 about NAME_MEMORY_TAG's.
8704 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8707 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8708 with hardware float support, and software float support. Add fcpy
8709 alternative to hardware patterns. Add alternatives to copy between
8710 general and floating-point registers to the 32-bit pattern.
8711 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8712 secondary reload to load a QI or HI mode constant into a floating
8714 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8715 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8717 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8720 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8722 (load_macho_picbase_di): Likewise.
8724 2006-02-16 Jeff Law <law@redhat.com>
8726 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8727 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8728 (ssa_name_nonzero_p): Likewise.
8729 (get_value_range): Return NULL if VRP is not running.
8730 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8731 VRP routines do not discover a range.
8732 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8733 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8734 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8735 (tree_expr_nonnegative_p): Similarly.
8736 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8737 (restore_nonzero_vars_to_original_value): Remove.
8738 (unsafe_associative_fp_binop): Remove.
8739 (tree_ssa_dominator_optimize): Remove initialization and
8740 finalization of nonzero_vars and nonzero_vars_stack.
8741 (dom_opt_initialize_block): No longer push marker on
8743 (dom_opt_finalize_block): No longer call
8744 restore_nonzero_vars_to_original_value.
8745 (record_equivalences_from_phis): No longer look for
8746 nonzero PHI arguments.
8747 (cprop_into_successor_phis): No longer propagate nonzero
8748 property into PHI arguments. Lose unused argument. Caller
8750 (record_equivalences_from_stmt): No longer record nonzero
8751 values for SSA_NAMEs.
8752 (lookup_avail_expr): No longer use nonzero_vars.
8754 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8755 for sizetype when sizetype is unsigned.
8757 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8759 PR rtl-optimization/25603
8760 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8761 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8762 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8763 with new meaning of SETS.
8765 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8770 * config/linux.opt: New file.
8771 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8772 LINUX_DYNAMIC_LINKER): Define.
8773 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8774 * config.gcc (*-*-linux*): Define extra_options.
8775 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8776 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8777 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8778 GLIBC_DYNAMIC_LINKER.
8779 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8780 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8781 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8782 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8783 * doc/invoke.texi (GNU/Linux Options): New section.
8785 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8787 * config/sparc/sparc.md (setjmp): Rewrite.
8788 (setjmp_32): Delete.
8789 (setjmp_64): Likewise.
8791 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8793 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8796 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8798 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8801 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8803 PR rtl-optimization/26296
8804 * Makefile.in (loop-invariant.c): Add except.h dependency.
8805 * loop-invariant.c: Include except.h.
8806 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8808 2005-02-16 Paul Brook <paul@codesourcery.com>
8810 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8813 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8815 PR rtl-optimization/25636
8816 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8817 when deciding whether an insn is an initializing insn.
8819 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8821 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8822 (tree_code_size): Ditto.
8823 * tree.h (struct tree_memory_tag): Remove parent_var.
8824 (struct tree_struct_field_tag): New.
8827 (union tree_node): Add sft member.
8828 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8830 (create_sft): Add size and offset argument, set SFT_OFFSET and
8832 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8833 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8834 * tree-flow-inline.h (get_subvar_at): Update for
8835 SFT_OFFSET/SFT_SIZE.
8836 (var_can_have_subvars): Ditto.
8837 (overlap_subvar): Ditto.
8838 * print-tree.c (print_node): Print out interesting things for
8840 * tree-flow.h (struct subvar): Remove offset and size members.
8841 * tree-ssa-operands.c (get_expr_operands): Update for
8842 get_indirect_ref_operands changes.
8843 (get_indirect_ref_operands): Call add_virtual_operand instead of
8844 add_stmt_operand. Only recurse on base var if requested.
8845 (access_can_touch_variable): New function.
8846 (add_stmt_operand): Split virtual operand handling into ...
8847 (add_virtual_operand): Here. Add offset, size, and for_clobber
8848 arguments. Prune alias sets.
8849 (add_call_clobber_ops): Call add_virtual_operand.
8851 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8854 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8856 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8857 than TREE_CODE as index into omp_clause_num_ops array.
8859 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8861 PR rtl-optimization/26184
8862 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8864 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8865 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8866 must_precede, must_follow and tobe_scheduled.
8869 * opts.c (common_handle_option): Free new_option pointer.
8870 * df-core.c (df_analyze): Free postorder pointer.
8872 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8874 * Makefile.in: Fix the examples about the use of stamps
8876 2006-02-15 Michael Matz <matz@suse.de>
8880 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8881 influenced by maximum_field_alignment or DECL_PACKED.
8882 (update_alignment_for_field): Ditto.
8883 (place_field): Ditto.
8884 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8887 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8889 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8890 (debug_flow_info): Pass it.
8891 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8892 * bb-reorder.c (reorder_basic_blocks): Likewise.
8893 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8894 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8895 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8896 * gcse.c (gcse_main, bypass_jumps): Likewise.
8897 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8898 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8899 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8900 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8901 * rtl.h (dump_flow_info): Adjust prototype.
8902 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8903 * var-tracking.c (variable_tracking_main): Likewise.
8904 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8905 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8908 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8910 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8913 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8915 PR tree-optimization/26209
8916 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8917 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8919 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8921 2006-02-14 Roger Sayle <roger@eyesopen.com>
8924 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8925 (X,Y) and the corresponding symmetry related transformations.
8926 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8927 (X,Y) and its symmetry related transformations.
8929 2006-02-14 Roger Sayle <roger@eyesopen.com>
8931 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8934 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8936 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8938 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8941 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8942 support COMDAT group.
8943 * configure: Regenerate.
8945 2006-02-14 Roger Sayle <roger@eyesopen.com>
8950 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8952 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8954 Fix PR tree-optimization/26260
8956 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8958 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8959 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8960 * tree-ssa-structalias.c (create_variable_info_for): Use
8961 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8963 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8965 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8967 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8968 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8969 of the ending condition.
8970 * tree-ssa-loop-manip.c: Include params.h.
8971 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8972 tree_unroll_loop): New functions.
8973 * tree-pass.h (pass_loop_prefetch): Declare.
8974 * loop.c (rest_of_handle_loop_optimize): Test for
8975 -fprefetch-loop-arrays-rtl.
8976 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8977 * timevar.def (TV_TREE_PREFETCH): New timevar.
8978 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8979 pass_loop_prefetch): New.
8980 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8981 (cleanup_tree_cfg_loop): Call scev_reset.
8982 * common.opt (fprefetch-loop-arrays-rtl): Add.
8983 * tree-ssa-loop-prefetch.c: New file.
8984 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8985 (new_temp_expr_table): Initialize expr_vars.
8986 (free_temp_expr_table): Cleanup expr_vars.
8987 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8988 expressions from being merged into one.
8989 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8990 (struct tree_niter_desc): Add control, bound and cmp fields.
8991 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8993 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8994 (tree-cfgcleanup.o): Add SCEV_H dependency.
8995 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8996 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8998 2006-02-14 Richard Guenther <rguenther@suse.de>
9000 PR tree-optimization/26258
9001 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9002 in PHI argument processing.
9004 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9006 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9007 new expression in the requested machine mode.
9009 2006-02-13 Roger Sayle <roger@eyesopen.com>
9011 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9012 directly, instead let do_compare_rtx_and_jump handle this for us.
9013 * expr.c (expand_expr_real_1): Likewise.
9014 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9015 before do_jump_by_parts_greater.
9016 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9017 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9019 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9021 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9023 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9025 PR rtl-optimization/26235
9026 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9027 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9030 2006-02-13 Jeff Law <law@redhat.com>
9032 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9035 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9038 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9039 twice if decl is a builtin. When trying again, call get_callee_fndecl
9040 first to verify it is still a builtin.
9042 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9044 * dwarf2out.c (base_type_die): Don't add AT_name here.
9045 (subrange_type_die): Don't add AT_name here.
9046 (modified_type_die): Rearrange code flow. Do add AT_name here.
9048 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9050 PR rtl-optimization/26247
9051 PR rtl-optimization/26248
9052 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9054 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9056 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9057 * config/fixtfdi.c: Likewise.
9058 * config/fixunstfdi.c: Likewise.
9059 * config/floatditf.c: Likewise.
9061 2006-02-13 Roger Sayle <roger@eyesopen.com>
9064 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9065 into (X,C2) if C1 is a subset of the bits of C2. Transform
9066 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9068 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9070 2006-02-13 Josh Conner <jconner@apple.com>
9073 * varasm.c (function_section): Check for section name before
9074 calling select_section on targets that define
9075 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9076 unlikely_text_section instead of hot_function_section if
9077 first_function_block_is_cold.
9079 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9082 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9084 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9086 PR rtl-optimization/26222
9087 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9088 after tree->rtl expansion.
9089 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9090 before passing it to emit_move_insn.
9092 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9094 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9096 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9097 Clarify documentation.
9098 * c-common.h (warn_write_strings): Remove.
9099 * c-common.c (warn_write_strings): Likewise.
9100 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9103 2006-02-12 Roger Sayle <roger@eyesopen.com>
9106 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9107 (do_jump_parts_zero_rtx): New function renamed from
9108 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9109 (do_jump_parts_equality_rtx): New function split out from
9110 do_jump_parts_equality. Old implementation renamed as above.
9111 Call do_jump_parts_zero_rtx if either operand is zero.
9112 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9113 do all of the heavy lifting.
9114 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9115 calling either do_jump_by_parts_greater_rtx or
9116 do_jump_by_parts_equality_rtx.
9117 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9118 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9119 moved to do_compare_rtx_and_jump, call it directly.
9120 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9121 mode argument. Call do_compare_rtx_and_jump.
9122 (emit_case_nodes): Update calls to do_jump_if_equal.
9124 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9126 PR rtl-optimization/26225
9127 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9129 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9131 PR rtl-optimization/26232
9132 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9134 2006-02-11 Jason Merrill <jason@redhat.com>
9137 * tree-inline.c (declare_return_variable): Just don't use the
9138 modify target if it's a gimple complex reg and the return slot
9141 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9143 * doc/contrib.texi: Update my entry.
9145 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9147 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9149 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9151 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9154 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9156 * doc/invoke.texi (-floop-optimize2): Removed.
9157 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9158 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9159 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9160 * common.opt (floop-optimize2): Removed.
9161 (fmove-loop-invariants): Enabled by default.
9163 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9165 * tree-if-conv.c (combine_blocks): Free the result of
9166 get_loop_exit_edges.
9168 2006-02-10 Jeff Law <law@redhat.com>
9170 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9172 PR tree-optimization/26213
9173 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9174 loop trying to follow SSA_NAME_VALUE chains.
9176 2006-02-10 Richard Guenther <rguenther@suse.de>
9178 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9179 deal with structures that end in implicitly variable sized arrays.
9181 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9183 PR rtl-optimization/24762
9184 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9187 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9189 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9190 (struct ivopts_data): Add regs_used field.
9191 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9192 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9193 instead of loop_data->regs_used;
9194 (free_loop_data): Do not free aux fields for loops.
9195 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9196 and tree_ssa_iv_optimize_finalize.
9198 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9200 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9202 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9205 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9206 computing the effective result type.
9208 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9211 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9212 (tree_overlaps_hard_reg_set): Declare.
9213 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9214 type and signature to match function type expected by walk_tree.
9215 (tree_overlaps_hard_reg_set): New function.
9216 (decl_conflicts_with_clobbers_p): Rename to:
9217 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9218 Use tree_overlaps_hard_reg_set. Changed caller.
9219 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9220 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9221 * cris.c (cris_md_asm_clobbers): Likewise.
9223 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9225 * reload1.c (emit_input_reload_insns): Delete code that tries to
9226 inherit using find_equiv_reg.
9228 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9230 * c-common.h (flag_const_strings): Don't declare.
9231 * c-common.c (flag_const_strings): Remove.
9232 * c.opt (fconst_strings): Remove.
9233 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9234 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9235 (c_common_init_options): Don't set flag_const_strings.
9236 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9238 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9240 * arm.md (tlobits_cbranch): New pattern.
9241 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9242 testing a single bit.
9244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9247 * tree-ssa-pre.c (create_component_ref_by_pieces):
9248 Handle RETURN_DECL like VAR_DECL.
9250 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9253 * fold-const.c (fold_indirect_ref_1): Fold
9254 "*(foo *)&complexfoo" to "__real__ complexfoo"
9255 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9257 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9259 * tree-flow-inline.h (var_can_have_subvars):
9260 Volatile variables should not have subvariables.
9262 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9265 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9266 multiplying unsigned values.
9269 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9271 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9273 2006-02-08 Jason Merrill <jason@redhat.com>
9276 * tree.def: Elaborate on difference from MODIFY_EXPR.
9277 * doc/c-tree.texi (INIT_EXPR): Likewise.
9278 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9279 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9280 (gimplify_target_expr): Likewise.
9281 (gimplify_cond_expr): Remove target handling.
9282 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9283 (gimplify_expr): Clobber it here.
9284 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9285 Do return slot optimization if we have an INIT_EXPR.
9288 * tree-inline.c (declare_return_variable): Also clear
9289 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9292 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9295 * gimplify.c (gimplify_one_sizepos): Fix typo.
9297 2006-02-08 Jeff Law <law@redhat.com>
9299 PR tree-optimization/21417
9300 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9301 across a backedge if the control statement at the end of the
9302 block is data dependent on other statements in the same block.
9303 (record_temporary_equivalences_from_stmts): Remove over-conservative
9304 test for threading across backedges.
9306 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9307 control statement, handle all three special cases in the same
9308 manner as they all have the same desired solution. No longer
9309 special case edge flag updating when the post dominator is
9312 2006-02-08 Roger Sayle <roger@eyesopen.com>
9314 * tree.def (CHAR_TYPE): Remove.
9315 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9316 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9317 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9318 (gen_string_type_die): Delete unreachable function.
9320 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9321 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9322 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9323 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9324 * builtins.c (type_to_class): Likewise.
9325 * fold-const.c (fold_convert, build_range_check,
9326 merge_ranges): Likewise.
9327 * expr.c (count_type_elements): Likewise.
9328 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9329 * stor-layout.c (layout_type): Likewise.
9330 * ipa-type-escape.c (type_to_consider): Likewise.
9331 * gimplify.c (omp_firstprivatize_type_sizes,
9332 gimplify_type_sizes): Likewise.
9333 * explow.c (promote_mode): Likewise.
9334 * tree-sra.c (is_sra_scalar_type): Likewise.
9335 * varasm.c (output_constant): Likewise.
9336 * tree-inline.c (remap_type_1): Likewise.
9337 * convert.c (convert_to_pointer, convert_to_real,
9338 convert_to_integer, convert_to_complex): Likewise.
9340 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9342 * df-scan.c (df_def_record_1): A set destination may
9343 be a parallel regardless of mode.
9345 2006-02-08 Roger Sayle <roger@eyesopen.com>
9348 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9349 * config/mips/_tilib.c: Remove.
9350 * config/fixtfdi.c: New libgcc source file.
9351 * config/fixunstfdi.c: New source file.
9352 * config/floatditf.c: New source file.
9353 * config/floatunditf.c: New souce file.
9354 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9355 files above instead of config/mips/_tilib.c.
9356 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9358 2006-02-08 Jeff Law <law@redhat.com>
9360 PR tree-optimization/26169
9361 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9364 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9366 * df.h (DF_REG_SIZE): Return the length of the initialized
9369 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9371 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9372 __muldf3): Return a correctly signed zero.
9374 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9376 * passes.c (register_one_dump_file): Accept the current properties
9377 instead of pass number. Adjust call to dump_register. Remove
9379 (register_dump_files): Now a wrapper around...
9380 (register_dump_files_1): ... this one. Do not modify the pass
9382 (next_pass_1): Cosmetic fix.
9383 (execute_todo): Keep second parameter only. Use curr_properties
9384 instead of fetching it from the pass structure. Check and set
9386 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9387 instead of fetching it from the pass structure. Fix calls to
9388 execute_todo. Update curr_properties and initialize .vcg RTL dump
9389 after running the pass. Reset last_verified.
9390 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9392 (FIRST_AUTO_NUMBERED_DUMP): New.
9393 (dump_register): Remove "num" parameter, assign it within the
9395 (get_dump_file_name): Modify template for dumps.
9396 * tree-dump.h (dump_register): Adjust prototype.
9397 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9398 (PROP_trees): Add PROP_gimple_lomp.
9399 (TODO_set_props): New.
9400 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9401 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9402 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9404 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9406 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9407 (sparc64-*-linux*): Likewise.
9408 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9409 * config/sparc/t-linux: New file.
9410 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9411 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9412 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9413 -m32 -mlong-double-128.
9415 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9416 * config/alpha/t-linux: New file.
9417 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9419 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9420 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9421 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9422 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9423 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9424 (CPP_ARCH32_SPEC): Remove.
9426 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9428 PR tree-optimization/26145
9429 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9432 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9435 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9436 >= 240000 when generating code for SOM runtime.
9437 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9438 to $$dyncall when generating code for SOM runtime..
9440 2006-02-07 Dirk Mueller <dmueller@suse.com>
9443 * doc/invoke.texi (-Wsequence-point): Update documentation
9444 that -Wsequence-point is implemented for C++ as well.
9446 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9448 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9449 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9450 (LIB_SPEC): Likewise.
9451 * doc/invoke.texi (SPARC options): Document -pthread.
9453 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9455 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9458 2006-02-07 Roger Sayle <roger@eyesopen.com>
9460 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9461 Correct comment describing BOOLEAN_TYPE.
9463 2006-02-07 Dirk Mueller <dmueller@suse.com>
9465 * c.opt: C++ frontend supports -Wdiv-by-zero.
9466 * c-opts.c (c_common_handle_option): Remove dead case.
9468 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9470 * configure.ac (TLS assembler check): Do not enable TLS by
9471 default on SPARC/Solaris before version 10.
9472 * configure: Regenerate.
9474 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9476 * doc/invoke.texi (xl-compat): Document conversion and support
9479 2006-02-07 Jeff Law <law@redhat.com>
9481 * tree-vrp.c (find_conditional_asserts): Update comments.
9482 (simplify_stmt_for_jump_threading): New.
9483 (identify_jump_threads, finalize_jump_threads): New.
9484 (vrp_finalize): Call identify_jump_threads.
9485 (execute_vrp): Call finalize_jump_threads.
9486 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9487 (vrp_element, vrp_data, vrp_element_p): Remove.
9488 (vrp_hash_elt, vrp_variables_stack): Remove.
9489 (vrp_hash, vrp_eq, record_range): Remove.
9490 (simplify_cond_and_lookup_avail_expr): Remove.
9491 (extract_range_from_cond): Remove.
9492 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9493 (simplify_stmt_for_jump_threading): New.
9494 (dom_thread_across_edge): New wrapper.
9495 (tree_ssa_dominator_optimize): No longer initialize or
9496 finalize any of the VRP datastructures. Remove iteration
9497 step and simplify as a result of removal of iteration step.
9498 (pass_dominator): Perform a cfg cleanup after DOM.
9499 (dom_opt_finalize_block): Use the new common routines
9500 for threading jumps. Simplify stack management slightly.
9501 No longer need to unwind VRP state.
9502 (record_equivalences_from_incoming_edge): No longer record
9504 (eliminate_redundant_computations): No longer call
9505 simplify_cond_and_lookup_avail_expr.
9506 * tree-flow.h (potentially_threadable_block): Prototype.
9507 (thread_across_edge): Likewise.
9508 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9509 (tree-ssa-threadedge.o): Add dependencies.
9510 * tree-ssa-threadedge.c: New file.
9511 * passes.c (init_optimization_passes): Merge PHIs before
9512 calling VRP. Run VRP again late in the SSA optimization pipeline.
9514 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9516 * df-core.c (df_set_blocks): Do not dereference function pointers.
9517 (df_finish1): Likewise.
9518 (df_hybrid_search_forward): Likewise.
9519 (df_hybrid_search_backward): Likewise.
9520 (df_iterative_dataflow): Likewise.
9521 (df_analyze_problem): Likewise.
9522 (df_compact_blocks): Likewise.
9523 (df_dump): Likewise.
9524 * df-scan.c (df_rescan_blocks): Likewise.
9525 (df_record_entry_block_defs): Likewise.
9527 * genconditions.c (write_conditions): Guard the definition of
9528 'insn_conditions' with the check on GCC version.
9529 (write_writer): Guard the traversal 'insn_conditions' with
9530 the check on GCC version.
9532 2006-02-07 Richard Guenther <rguenther@suse.de>
9536 2006-01-30 Richard Guenther <rguenther@suse.de>
9538 * gimplify.c (gimplify_target_expr): Handle easy cases
9539 without creating a temporary.
9541 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9543 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9544 use of float in probability computations. Use edge probabilities
9545 in place of statically computed probabilities.
9546 (min_spec_prob): New static variable.
9547 (schedule_insns): Initialize it.
9548 (GET_SRC_PROB): Removed.
9549 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9551 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9554 * config/ia64/unwind-ia64.c: Revert last change.
9555 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9556 (INCOMING_FRAME_SP_OFFSET): Define.
9558 2006-02-06 Roger Sayle <roger@eyesopen.com>
9560 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9562 2006-02-07 Ben Elliston <bje@au.ibm.com>
9564 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9565 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9566 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9567 (ix86_return_in_memory): Handle TDmode.
9568 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9569 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9571 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9573 * reorg.c (dbr_schedule): Use dump_file instead of file.
9575 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9578 * config/ia64/predicates.md (extr_len_operand): New predicate.
9579 * config/ia64/ia64.md (extv): Tighten constraints.
9581 (*tbit_and_2): Ditto.
9582 (*tbit_and_3): Ditto.
9583 (*tbit_or_2): Ditto.
9584 (*tbit_or_3): Ditto.
9588 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9591 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9593 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9595 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9596 loop_optimizer_init and loop_optimizer_finalize
9597 * tree-ssa-sink.c (execute_sink_code): Ditto.
9598 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9599 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9600 tree_ssa_loop_done): Ditto.
9601 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9602 * sched-ebb.c: Include output.h.
9603 (schedule_ebbs): Do not use dump argument.
9604 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9605 * loop.c (loop_dump_stream): Removed.
9606 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9608 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9609 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9610 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9611 loop_iterations, strength_reduce, record_biv, record_giv,
9612 final_giv_value, check_final_value, check_ext_dependent_givs,
9613 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9614 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9615 dump_file instead of loop_dump_stream.
9616 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9618 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9620 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9621 * haifa-sched.c: Include output.h
9622 (schedule_insns, sched_init): Do not use dump argument.
9623 * mode-switching.c (optimize_mode_switching): Ditto.
9624 * modulo-sched.c (stats_file): Removed.
9625 (print_node_sched_params): Do not call argument dump_file.
9626 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9627 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9629 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9631 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9632 rtl_loop_init, rtl_loop_done): Ditto.
9633 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9634 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9636 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9637 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9638 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9639 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9640 * emit-rtl.c (renumber_insns): Ditto.
9641 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9642 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9643 * regclass.c (regclass): Ditto.
9644 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9645 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9646 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9647 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9649 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9650 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9652 * gcse.c (gcse_file, debug_stderr): Removed.
9653 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9654 rest_of_handle_gcse): Do not use dump argument.
9655 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9656 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9657 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9658 compute_code_hoist_vbeinout, compute_code_hoist_data,
9659 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9660 compute_store_table, build_store_vectors, insert_insn_start_bb,
9661 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9662 store_motion): Use dump_file instead of gcse_file.
9663 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9664 * profile.c (profile_dump_file): Removed.
9665 (branch_prob): Use dump_file instead of profile_dump_file.
9666 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9668 * tree-ssa-copy.c (dump_copy_of): Ditto.
9669 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9670 dump file to life_analysis.
9671 * bt-load.c (branch_target_load_optimize): Ditto.
9672 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9674 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9675 regclass, dbr_schedule): Declaration changed.
9676 * sched-int.h (sched_init): Declaration changed.
9677 * tree-profile.c (tree_profile_dump_file): Removed.
9678 (tree_profile_hooks): Removed profile_dump_file hook.
9679 * rtl-profile (rtl_profile_dump_file): Removed.
9680 (rtl_profile_hooks): emoved profile_dump_file hook.
9681 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9683 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9684 * tree-cfg.c (build_tree_cfg): Ditto.
9685 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9686 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9687 Declaration changed.
9688 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9689 life_analysis and schedule_insns.
9690 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9692 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9694 * config/mips/mips.c (mips_reorg): Ditto.
9695 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9698 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9700 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9701 (s390_mangle_fundamental_type): New.
9702 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9705 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9706 (alpha_mangle_fundamental_type): New.
9707 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9710 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9712 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9714 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9715 (sparc_mangle_fundamental_type): New.
9717 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9719 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9720 (s390x-*-linux*): Likewise.
9721 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9722 * config/s390/t-linux: New file.
9724 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9726 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9727 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9729 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9731 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9732 (ANTIC_SAFE_LOADS): New macro.
9733 (find_or_generate_expression): Add prototype.
9734 (set_contains_value): Allow null set for sake of not always having
9735 to allocate ANTIC_SAFE_LOADS.
9736 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9737 Allow COMPONENT_REF too.
9738 (valid_in_set): Allow COMPONENT_REF.
9739 Check ANTIC_SAFE_LOADS too.
9740 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9741 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9743 (can_PRE_operation): Add COMPONENT_REF.
9744 (create_component_ref_by_pieces): New function.
9745 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9746 (insert_aux): Move AGGREGATE_TYPE_P check here.
9747 (compute_avail): Set bb local stmt uids.
9748 (pass_pre): Use TODO_update_ssa_only_virtuals.
9750 2006-02-06 Ben Elliston <bje@au.ibm.com>
9752 * configure.ac: Unconditionally disable decimal float by default.
9753 * configure: Regenerate.
9755 2006-02-06 Ben Elliston <bje@au.ibm.com>
9757 * read-rtl.c (read_name): Terminate reading on EOF.
9759 2006-02-06 Ben Elliston <bje@au.ibm.com>
9761 * dfp.c (decimal_real_arithmetic): Change second argument type
9762 from int to enum tree_code. Do not always return true, but now
9763 return result of any call to decimal_do helper functions.
9764 * dfp.h (decimal_real_arithmetic): Update prototype.
9766 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9768 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9770 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9773 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9776 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9778 * tree-vrp.c (cfg_loops): Removed.
9779 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9780 Use current_loops instead of cfg_loops. Pass flags to
9781 loop_optimizer_init.
9782 * cfgloopmanip.c (fix_loop_structure): Update only available
9784 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9785 loop_optimizer_init.
9786 * modulo-sched.c (build_loops_structure): Removed.
9787 (sms_schedule): Use loop_optimizer_init.
9788 * loop-init.c (loop_optimizer_init): Use flags to determine
9789 which properties of loops to prepare.
9790 (rtl_loop_init): Pass flags to loop_optimizer_init.
9791 * tree-ssa-sink.c (execute_sink_code): Ditto.
9792 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9793 * tree-ssa-pre.c (init_pre): Ditto.
9794 * cfgloop.h (LOOPS_NORMAL): New.
9795 (loop_optimizer_init): Declaration changed.
9797 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9799 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9800 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9802 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9804 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9806 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9807 * pa/t-pa64: Delete quadlib.c rule.
9808 * pa/x-ada: Revert last change.
9809 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9811 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9813 PR rtl-optimization/26087
9814 * rtlanal.c (canonicalize_condition): Do not cross basic block
9817 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9820 * config/ia64/ia64.c: Include debug.h.
9821 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9822 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9823 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9824 (process_epilogue, process_set, process_for_unwind_directive):
9825 Output unwind info only if requested. Add CFA info if requested.
9826 Add new arguments as needed. Adjust callers.
9827 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9829 (DWARF2_FRAME_INFO): Define to zero.
9830 * config/ia64/unwind-ia64.c: Remove code that compensated for
9831 the CFA offset error fixed above.
9832 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9833 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9834 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9835 -funwind-tables and -fexceptions to enable frame info.
9836 (dwarf2out_frame_init): Define initial CFA even if
9837 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9838 DWARF2_UNWIND_INFO is nonzero, not just defined.
9839 (dwarf2out_frame_finish): Output non-EH call frame info only
9840 if DWARF2_FRAME_INFO is nonzero.
9841 (convert_cfa_to_loc_list,
9842 compute_frame_pointer_to_cfa_displacement): Define even if
9843 unwind info is not supported.
9844 (gen_subprogram_die): Use the above unconditionally. Remove
9845 legacy alternate code.
9846 * toplev.c (compile_file): Compile in call to
9847 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9848 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9850 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9851 Jakub Jelinek <jakub@redhat.com>
9853 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9854 IBM extended float format long double as "g" on powerpc*-linux.
9856 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9859 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9860 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9862 2006-02-03 Jason Merrill <jason@redhat.com>
9865 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9868 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9869 on the return slot if it's an NRV.
9871 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9873 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9874 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9875 rewrite_use): Do not handle USE_OUTER.
9876 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9877 add_iv_outer_candidates, may_replace_final_value,
9878 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9879 (find_interesting_uses_op): Functionality of
9880 find_interesting_uses_outer_or_nonlin moved here.
9881 (find_interesting_uses_outside): Use find_interesting_uses_op.
9883 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9886 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9888 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9889 Ulrich Weigand <uweigand@de.ibm.com>
9892 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9893 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9894 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9895 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9897 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9898 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9899 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9900 Define secondary reloads for TFmode moves.
9901 (constant_modes): Add TFmode.
9902 (NR_C_MODES): Set to 8.
9903 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9905 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9906 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9907 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9908 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9909 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9910 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9911 (FPR mode macro): Add TFmode.
9912 (DSF mode macro): New.
9913 (<de>, <dee> mode attributes): Removed.
9914 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9915 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9916 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9917 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9918 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9919 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9920 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9921 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9922 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9923 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9924 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9925 "*negabs<mode>2", "sqrt<mode>2"):
9926 Changed <de> to <xde>. R constraint replaced by <Rf>.
9927 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9929 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9930 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9931 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9933 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9934 "extenddftf2", "extendsftf2"): New expanders.
9935 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9936 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9937 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9938 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9940 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9941 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9942 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9943 __floatditf): Add a GCC_4.1.0 symbol version tag.
9944 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9947 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9950 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9951 Use targetm.binds_local_p instead of TREE_PUBLIC.
9953 2006-02-02 Roger Sayle <roger@eyesopen.com>
9955 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9956 on INTEGER_TYPEs to indicate that it denotes a character type.
9957 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9958 signed_char_type_node, unsigned_char_type_node and char_type_node.
9959 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9960 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9961 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9963 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9964 Daniel Berlin <dberlin@dberlin.org>
9966 * tree-tailcall.c (arg_needs_copy_p): New function.
9967 (eliminate_tail_call): Use arg_needs_copy_p.
9968 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9969 (add_virtual_phis): New function.
9971 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9973 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9974 #ignore instead of #scratch for %g7 .register directive.
9976 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9978 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9981 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9983 * flow.c (calculate_global_regs_live): Assert that there aren't any
9986 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9988 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9990 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9991 bsi_after_labels iterator.
9992 * tree-if-conv.c (find_phi_replacement_condition,
9993 replace_phi_with_cond_modify_expr): Likewise.
9994 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9995 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9997 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9999 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10001 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10004 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10005 array after growing it.
10007 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10009 PR middle-end/24901
10010 * fold-const.c (fold_checksum_tree): Change type of buf.
10012 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10014 * reload.c (push_secondary_reload): Initialize t_icode.
10016 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10018 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10019 -msoft-float -mlong-double-128 only issue a warning, but don't
10020 swich to DFmode long double.
10022 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10024 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10025 has a constant equivalent, iterate over equivalents for arg0,
10026 calling simplify_relational_operation and if there's a result
10027 cheaper than X, apply fold_rtx and return the result.
10029 2006-02-01 Jan Hubicka <jh@suse.cz>
10031 * opts.c (no_unit_at_a_time_default): New global variable.
10032 (decode_options): Use it.
10033 * opts.h (no_unit_at_a_time_default): Declare.
10035 2006-02-01 Paul Brook <paul@codesourcery.com>
10037 * function.c (assign_parm_setup_reg): Use function argument promotion
10039 * expr.c (expand_expr_real_1): Use function argument promotion rules
10042 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10044 * gcc.c (process_command): Change j to 'unsigned int'.
10046 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10048 PR middle-end/26001
10049 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10050 Use the corrected index for the character
10051 out of the string constant.
10053 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10055 * mode-switching.c (optimize_mode_switching): Fix size
10056 allocated for bb_info[n_entities].
10058 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10060 * gcc.c (main): Correct type that is allocated for
10061 explicit_link_files.
10063 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10065 * config/s390/s390.c (init_alignment_context): Set
10066 ALIAS_SET_MEMORY_BARRIER on the MEM.
10067 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10069 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10071 PR middle-end/25933
10072 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10074 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10077 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10079 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10080 * regrename.c: Ditto.
10081 * tree-ssa-loop-im.c: Ditto.
10082 * tree-dump.c: Ditto.
10083 * tree-complex.c: Ditto.
10084 * genrecog.c: Ditto.
10085 * tree-ssa-threadupdate.c: Ditto.
10087 * java/class.c: Ditto.
10088 * java/jcf-parse.c: Ditto.
10089 * java/resource.c: Ditto.
10090 * java/except.c: Ditto.
10091 * java/jvspec.c: Ditto.
10092 * java/jcf-write.c: Ditto.
10093 * java/jcf-path.c: Ditto.
10094 * java/gjavah.c: Ditto.
10095 * java/zextract.c: Ditto.
10096 * java/jcf-io.c: Ditto.
10097 * java/jcf.h: Ditto.
10098 * java/buffer.c: Ditto.
10099 * java/lang.c: Ditto.
10100 * java/parse-scan.y: Ditto.
10101 * java/lex.c: Ditto.
10102 * java/lex.h: Ditto.
10103 * cfgloopmanip.c: Ditto.
10104 * postreload-gcse.c: Ditto.
10105 * tree-ssa-loop-manip.c: Ditto.
10106 * postreload.c: Ditto.
10107 * tree-ssa-loop-ch.c: Ditto.
10110 * cppspec.c: Ditto.
10111 * diagnostic.c: Ditto.
10113 * genoutput.c: Ditto.
10115 * cfghooks.c: Ditto.
10116 * cfgloopanal.c: Ditto.
10117 * objc/objc-act.c: Ditto.
10119 * genextract.c: Ditto.
10120 * genautomata.c: Ditto.
10121 * pretty-print.c: Ditto.
10122 * genemit.c: Ditto.
10123 * cgraphunit.c: Ditto.
10125 * df-scan.c: Ditto.
10126 * haifa-sched.c: Ditto.
10127 * dominance.c: Ditto.
10129 * tree-ssa-loop-ivopts.c: Ditto.
10130 * df-core.c: Ditto.
10131 * mode-switching.c: Ditto.
10132 * modulo-sched.c: Ditto.
10134 * ipa-pure-const.c: Ditto.
10136 * fix-header.c: Ditto.
10138 * tree-stdarg.c: Ditto.
10139 * ipa-utils.c: Ditto.
10140 * loop-init.c: Ditto.
10141 * ipa-inline.c: Ditto.
10142 * cfganal.c: Ditto.
10144 * alloc-pool.c: Ditto.
10145 * dwarf2out.c: Ditto.
10147 * genattrtab.c: Ditto.
10148 * tree-ssa-loop-ivcanon.c: Ditto.
10149 * predict.c: Ditto.
10150 * timevar.c: Ditto.
10152 * fortran/gfortranspec.c: Ditto.
10153 * regmove.c: Ditto.
10154 * local-alloc.c: Ditto.
10155 * langhooks.c: Ditto.
10156 * function.c: Ditto.
10157 * tree-vectorizer.c: Ditto.
10159 * ipa-type-escape.c: Ditto.
10161 * tree-if-conv.c: Ditto.
10162 * profile.c: Ditto.
10164 * tree-data-ref.c: Ditto.
10165 * loop-unroll.c: Ditto.
10166 * treelang/treetree.c: Ditto.
10168 * bt-load.c: Ditto.
10169 * ggc-common.c: Ditto.
10171 * coverage.c: Ditto.
10173 * tree-cfgcleanup.c: Ditto.
10174 * tree-ssa-pre.c: Ditto.
10175 * cfgcleanup.c: Ditto.
10176 * loop-invariant.c: Ditto.
10177 * loop-iv.c: Ditto.
10178 * ipa-prop.c: Ditto.
10179 * print-tree.c: Ditto.
10180 * conflict.c: Ditto.
10181 * ggc-page.c: Ditto.
10182 * sched-deps.c: Ditto.
10183 * regclass.c: Ditto.
10184 * tree-object-size.c: Ditto.
10185 * combine.c: Ditto.
10186 * bb-reorder.c: Ditto.
10187 * resource.c: Ditto.
10188 * var-tracking.c: Ditto.
10189 * cfgloop.c: Ditto.
10190 * df-problems.c: Ditto.
10191 * reg-stack.c: Ditto.
10193 * gccspec.c: Ditto.
10194 * sched-rgn.c: Ditto.
10195 * tree-ssa-structalias.c: Ditto.
10196 * tree-ssa-reassoc.c: Ditto.
10197 * config/darwin-c.c: Ditto.
10198 * config/darwin.c: Ditto.
10199 * config/arm/arm.c: Ditto.
10201 * collect2.c: Ditto.
10202 * reload1.c: Ditto.
10204 2006-01-31 Nicolas Pitre <nico@cam.org>
10206 * arm.md (smaxsi3): Make aware of smax_m1.
10209 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10211 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10213 2006-01-31 Richard Guenther <rguenther@suse.de>
10215 * doc/invoke.texi (-msselibm): Document.
10216 * target.h (expand_library_builtin): New target hook.
10217 * builtins.c (expand_builtin): Use expand_library_builtin.
10218 (default_expand_library_builtin): New function.
10219 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10220 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10221 (link_gcc_math_spec): Declare.
10222 (static_specs): Add link_gcc_math_spec.
10223 * expr.h (default_expand_library_builtin): Declare.
10224 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10225 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10226 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10227 * config/i386/i386.opt (msselibm): New target option.
10228 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10229 (ix86_init_sse_abi_builtins): New function.
10230 (ix86_expand_library_builtin): Likewise.
10231 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10232 (override_options): Handle error conditions wrt -msselibm.
10233 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10234 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10235 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10238 2006-01-31 Richard Guenther <rguenther@suse.de>
10239 Paolo Bonzini <bonzini@gnu.org>
10241 * doc/install.texi (--disable-libgcc-math): Document.
10243 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10245 * expr.h (expand_normal): new inline function.
10246 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10247 * dojump.c: use it.
10248 * dwarf2out.c: use it.
10251 * expmed.c: use it.
10252 * except.c: use it.
10253 * config/sparc/sparc.c: use it.
10254 * config/i386/i386.c: use it.
10255 * config/rs6000/rs6000.c: use it.
10256 * config/arm/arm.c: use it.
10257 * config/mips/mips.c: use it.
10258 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10260 2006-01-30 Roger Sayle <roger@eyesopen.com>
10262 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10263 argv to the appropriate type.
10265 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10267 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10270 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10273 * config/s390/s390.c (struct machine_function): New flag
10274 decomposed_literal_pool_addresses_ok_p.
10275 (s390_reorg): Set it before final stage of literal pool transforms.
10276 (s390_decompose_address): Only accept displacements of the form
10277 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10279 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10281 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10282 the comparison routine return.
10284 2006-01-30 Michael Matz <matz@suse.de>
10286 * global.c (find_reg): Only evict for global regs.
10287 Take n_refs into account and dump more info.
10289 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10292 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10293 (pragma_trap, pragma_nosave_low_regs): Likewise.
10294 (current_function_anonymous_args): Likewise.
10295 (sh_deferred_function_attributes): New variable.
10296 (sh_deferred_function_attributes_tail): Likewise.
10297 (print_operand): For '@', look up trap_exit attribute.
10298 (calc_live_regs): Look up trapa_handler attribute. For trapa
10299 handlers, save/restore fpscr, but don't do any other
10300 interrupt-specific saves.
10301 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10302 Fix check for partially saved registers to check for SHmedia.
10303 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10304 (sh_output_function_epilogue): Don't clear any of the removed
10306 (sh_insert_attributes): Don't check pragma_interrupt.
10307 Insert deferred attributes. Check that interrupt attribute is
10308 present for other attributes that require its presence.
10309 (sh_attribute_table): Add new attributes trapa_handler and
10311 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10312 Don't check for pragma_interrupt. Don't store argument.
10313 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10314 (sh_deferred_function_attributes): Declare.
10315 (sh_deferred_function_attributes_tail): Likewise.
10316 * sh.md (sp_switch_1): Add operand. Change generator caller.
10317 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10318 (*return_i): Don't use when trap_exit attribute is in effect.
10319 (*return_trapa): New insn pattern.
10320 * sh-c.c: New file.
10321 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10322 setting c_target_objs and cxx_target_objs.
10323 * t-sh: Add rule for sh-c.o.
10325 2006-01-30 Richard Guenther <rguenther@suse.de>
10328 * gimplify.c (gimplify_target_expr): Handle easy cases
10329 without creating a temporary.
10331 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10333 * vec.h (safe_grow): Remove duplicated line.
10335 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10338 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10339 (expand_omp): ... here.
10340 (expand_omp_parallel): Only remove barriers for combined
10341 parallel+workshare constructs.
10343 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10347 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10348 * tree.c (build_qualified_type): Chain the new type to the original
10349 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10350 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10351 (build_pointer_type_for_mode): Only return unqualified types.
10352 (build_reference_type_for_mode): Likewise.
10354 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10356 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10357 * Makefile.in (CXX_COMPAT_WARN): Define.
10358 * configure: Regenerate.
10360 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10363 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10366 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10368 * toplev.c: Fix thinko.
10370 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10371 Marcin Dalecki <martin@dalecki.de>
10373 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10374 (push_srcloc): Use XNEW.
10375 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10377 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10379 * df-core.c (df_set_blocks): Deleted all variable.
10381 2006-01-28 Ian Lance Taylor <ian@airs.com>
10383 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10384 cgraph_output_pending_asms.
10386 2006-01-28 Zack Weinberg <zackw@panix.com>
10388 * c.opt: Add -W(no-)overlength-strings.
10389 * doc/invoke.texi: Document it.
10390 * c-opts.c (c_common_handle_option): -pedantic implies
10391 -Woverlength-strings, if not explicitly disabled already.
10392 (c_common_post_options): -Woverlength-strings defaults to off, and
10393 is always off for C++.
10394 * c-common.c (fix_string_type): Issue warning about strings longer
10395 than is portable only if warn_overlength_strings. Rearrange code
10396 a little for clarity.
10397 * configure.in: Check for -Wno-overlength-strings as well before
10398 enabling -pedantic in stage 1.
10399 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10400 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10402 * genconditions.c (write_header, write_one_condition)
10403 (write_conditions, write_writer): Consolidate very long strings
10404 that were broken up to fit in C89 portable limit. Don't use
10405 printf when fputs will do.
10407 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10409 * combine.c (simplify_comparison <AND>): Check
10410 TRULY_NOOP_TRUNCATION before start using a subreg.
10412 * config/mips/mips.md (*branch_zero<mode>,
10413 *branch_zero<mode>_inverted, *branch_equality<mode>,
10414 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10415 Remove mode check from comparisons.
10417 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10419 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10421 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10423 * expmed.c (const_mult_add_overflow_p): Remove.
10424 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10426 * recog.c (validate_replace_rtx_subexp): Remove.
10427 * recog.h: Remove the prototype for
10428 validate_replace_rtx_subexp.
10430 * integrate.h: Remove the prototype for
10431 copy_decl_for_inlining.
10432 * rtl.h: Remove the prototype for mark_constant_function.
10433 * tree-vectorizer.h: Remove the prototype for
10434 vect_strip_conversion.
10436 * modulo-sched.c (create_partial_schedule,
10437 free_partial_schedule, reset_partial_schedule): Make them
10440 * hooks.c (hook_bool_rtx_int_false): Remove.
10441 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10443 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10445 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10446 and -mlong-double-128 are incompatible.
10447 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10448 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10449 (TARGET_LIBGCC2_CFLAGS): Define.
10450 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10451 (TARGET_LIBGCC2_CFLAGS): Same.
10452 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10454 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10457 * c-typeck.c (build_binary_op): Perform implicit casts of
10458 operands before shortening them.
10460 * cfgloopmanip.c (split_loop_bb): Remove.
10461 * cfgloop.h: Remove the prototype for split_loop_bb.
10463 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10464 * cfgloop.h: Remove the prototype for
10465 flow_loop_outside_edge_p.
10467 * emit-rtl.c (init_virtual_regs): Make it static.
10468 * function.h: Remove the prototype for init_virtual_regs.
10470 * recog.c (peephole2_optimize): Make it static.
10471 * recog.h: Remove the prototype for peephole2_optimize.
10473 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10475 * df-scan.c (df_record_entry_block_defs): Check if
10476 INCOMING_RETURN_ADDR_RTX is defined.
10478 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10479 Kenneth Zadeck <zadeck@naturalbridge.com>
10481 PR rtl-optimization/24762
10482 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10483 * targhooks.c (hook_void_bitmap): New hook prototype.
10484 * targhoohs.h (hook_void_bitmap): Ditto.
10485 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10486 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10487 * target.h (live_on_entry): New function pointer.
10488 * df-scan.c (df_all_hard_regs): Removed.
10489 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10490 (df_scan_free_internal): Added df->entry_block_defs.
10491 (df_scan_alloc): Ditto.
10492 (df_scan_dump): Ditto.
10493 (df_uses_record): Plumbed flag field properly thru calls.
10494 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10495 This part fixes PR24762.
10496 (df_bb_refs_record): Added code to make the frame and arg
10497 pointers live in EH blocks.
10498 (df_refs_record): Added call to df_record_entry_block_defs.
10499 (df_record_entry_block_defs): New function.
10500 * df-core.c: Added comments to describe new artifical defs.
10501 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10502 (entry_block_defs): New field in struct df.
10503 (df_all_hard_regs): Deleted.
10504 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10505 * df-problems.c (df_ru_bb_local_compute_process_def):
10506 Added code to handle artifical defs in the entry to a function.
10507 (df_ru_bb_local_compute): Ditto.
10508 (df_rd_bb_local_compute_process_def): Ditto.
10509 (df_rd_bb_local_compute): Ditto.
10510 (df_lr_bb_local_compute): Ditto.
10511 (df_ur_bb_local_compute): Ditto.
10512 (df_urec_bb_local_compute): Ditto.
10513 (df_chain_create_bb): Ditto.
10514 (df_ur_local_finalize): Removed entry.
10515 (df_urec_init): Ditto.
10516 (df_urec_local_finalize): Ditto.
10517 (df_ri_bb_compute): Added detection of last use of pseudos.
10518 * Makefile.in (df-scan.o): Updated dependencies.
10519 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10520 * config/mips/mips.c (mips_set_live_on_entry): Added.
10521 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10523 * dce.c (marked_insn_p): Added code to handle artifical defs.
10525 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10527 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10529 (_mm_cvtsi128_si64): Likewise.
10530 (_mm_cvtsd_si64): Likewise.
10531 (_mm_cvttsd_si64): Likewise.
10532 (_mm_cvtsi64_sd): Likewise.
10533 (_mm_cvtsi64_si128): Likewise.
10534 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10535 (_mm_cvtsi64_m64): Likewise.
10536 (_m_to_int64): Likewise.
10537 (_mm_cvtm64_si64): Likewise.
10538 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10539 (_mm_cvttss_si64): Likewise.
10540 (_mm_cvtsi64_ss): Likewise.
10541 (_mm_cvtss_f32): Likewise.
10543 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10545 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10546 for pragma redefine_extname.
10548 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10551 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10552 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10553 -mno-minimal-toc to previous content.
10554 (bispecs): Remove goal.
10555 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10556 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10557 compatibility aliases on powerpc-*-*gnu*.
10558 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10559 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10560 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10561 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10562 (ldblspecs): New goal.
10563 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10564 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10566 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10567 L_sf_to_tf or L_df_to_tf is defined.
10569 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10570 Alan Modra <amodra@bigpond.net.au>
10573 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10574 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10575 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10576 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10577 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10578 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10579 (rs6000_override_options): Initialize rs6000_ieeequad.
10580 Initialize TFmode format to ibm_extended_format if not
10582 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10584 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10585 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10586 (function_arg_advance): IBM long double passed in two FPRs, not
10588 (function_arg): IBM long double passed in FPRs.
10589 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10590 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10591 Only multireg GPR aligned.
10592 (rs6000_init_libfuncs): Enable IBM long double functions if not
10594 (rs6000_generate_compare): Use IBM long double compare if not
10596 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10597 (TARGET_IEEEQUAD): Define.
10598 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10599 not TARGET_IEEEQUAD.
10600 * config/rs6000/rs6000.md: Enable TFmode patterns if
10602 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10603 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10604 and -mlong-double-128 are incompatible.
10605 * doc/invoke.texi (-mabi): Collect options together. Add
10606 ibmlongdouble and ieeelongdouble.
10608 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10610 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10612 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10613 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10614 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10615 * rtl.h (rtunion_def): Remove rt_ptr.
10617 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10618 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10619 * config/i386/winnt.c (i386_pe_mark_dllexport)
10620 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10622 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10624 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10626 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10630 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10631 pthread_key_delete. From John David Anglin. gthrw-ify
10632 pthread_getunique_np only if it it's not a macro. Delete
10634 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10635 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10636 __gthread_objc_condition_signal, __gthread_key_delete): Add
10637 "__attribute__ ((__unused__))" to unused arguments.
10638 (__gthread_recursive_mutex_init_function): Add missing return.
10639 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10640 gthr-posix95.h: Use macro-based approach for name redirection
10641 on targets missing weakref.
10643 2006-01-26 Zack Weinberg <zackw@panix.com>
10645 * genconditions.c (write_header): In generated code, #ifdef out
10646 all includes and fake declarations, except includes of bconfig.h
10647 and system.h, unless GCC_VERSION >= 3001. Do not include
10648 gensupport.h in any case.
10649 (write_conditions): Generate a definition of struct c_test. Add
10650 a comment to the generated #endif.
10651 (write_one_condition): Escape backslashes in string too.
10652 (write_writer): Generated code must escape backslashes and quote
10653 marks (but not newlines) in the strings it writes.
10654 * Makefile.in (build/gencondmd.o): Update dependencies.
10656 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10659 * Makefile.in (insn-automata.o): Add header file dependencies.
10660 * genautomata.c: Add includes.
10662 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10665 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10667 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10669 * configure.ac: Expect target tools paths to be passed from the toplevel
10670 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10672 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10674 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10677 * c.opt (Wpointer-sign): Init to -1.
10678 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10679 OPT_pedantic, to 0 otherwise.
10680 * doc/invoke.texi: Update.
10682 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10684 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10685 constants provided by 80387 instructions in the destination mode.
10687 2006-01-26 Richard Guenther <rguenther@suse.de>
10688 Andrew Pinski <pinskia@physics.uc.edu>
10691 partial PR tree-opt/17064
10692 * tree-ssa-structalias.c (intra_create_variable_infos):
10693 Create heap variables for incoming parameters if
10694 flag_argument_noalias > 1.
10695 (find_what_p_points_to): Look through default defs of
10698 2006-01-26 Jeff Law <law@redhat.com>
10701 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10702 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10703 within the VR_RANGE, use the VR_RANGE as the result, not the
10705 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10706 bounds for the type.
10708 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10710 * tree-ssa-alias.c (maybe_create_global_var): Change
10711 subvar walking to an assertion that we don't have subvar'd variables.
10713 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10716 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10717 Use a new variable, inner. PARM_DECLs are always non-weak.
10719 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10721 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10722 --disable-checking.
10724 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10726 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10728 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10730 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10731 (smax_insn, smin_insn, smax_0, smin_0): New.
10733 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10736 * config/cris/cris.c (cris_order_for_addsi3): New function.
10737 * config/cris/cris-protos.h: Prototype it.
10738 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10739 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10740 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10741 (split for "op.S1 [rx=rx+i],ry (swapped)")
10742 (split for "op(s|u).S1 [rx=rx+i],ry")
10743 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10744 Apply cris_order_for_addsi3 when generating addsi3 insns.
10746 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10748 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10749 (TREE_BLOCK): Add call to EXPR_CHECK.
10751 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10754 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10755 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10756 (dump_omp_clauses): ... here.
10757 (dump_generic_node): Handle OMP_CLAUSE.
10758 * tree.c (omp_clause_num_ops): New.
10759 (omp_clause_code_name): New.
10760 (tree_code_size): Handle OMP_CLAUSE.
10761 (tree_size): Likewise.
10762 (make_node): Document handling of OMP_CLAUSE.
10763 (tree_node_structure): Handle OMP_CLAUSE.
10764 (omp_clause_check_failed): New.
10765 (omp_clause_range_check_failed): New.
10766 (omp_clause_operand_check_failed): New.
10767 (build_omp_clause): New.
10768 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10769 * tree.h (enum omp_clause_code): Declare.
10770 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10771 (OMP_CLAUSE_RANGE_CHECK): Define.
10772 (OMP_CLAUSE_ELT_CHECK): Define.
10773 (omp_clause_check_failed): Declare.
10774 (omp_clause_operand_check_failed): Declare.
10775 (omp_clause_range_check_failed): Declare.
10776 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10777 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10778 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10779 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10780 (OMP_CLAUSE_IF_EXPR): Likewise.
10781 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10782 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10783 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10784 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10785 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10786 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10787 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10788 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10789 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10790 (OMP_CLAUSE_CODE): Define.
10791 (OMP_CLAUSE_SET_CODE): Define.
10792 (OMP_CLAUSE_CODE): Define.
10793 (OMP_CLAUSE_OPERAND): Define.
10794 (struct tree_omp_clause): Declare.
10795 (union tree_node): Add field 'omp_clause'.
10796 * treestruct.def (TS_OMP_CLAUSE): Define.
10797 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10798 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10799 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10800 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10801 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10802 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10803 (OMP_CLAUSE): Define.
10804 * print-tree.c (print_node): Handle OMP_CLAUSE.
10805 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10806 * c-typeck.c: Likewise.
10807 * gimplify.c: Likewise.
10808 * c-omp.c: Likewise.
10809 * tree-nested.c: Likewise.
10810 * tree-inline.c: Likewise.
10811 * c-parser.c: Likewise.
10812 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10815 2006-01-25 Roger Sayle <roger@eyesopen.com>
10817 PR rtl-optimization/25703
10818 * combine.c (try_combine): Handle zero_extract and strict_low_part
10819 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10821 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10823 * global.c: Fix comment typos.
10825 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10828 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10829 Use output_addr_const instead of assemble_name.
10831 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10833 * Makefile.in (sched-vis.o): Update dependencies.
10834 * haifa-sched.c (sched_finish): Clear current_sched_info.
10835 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10836 (dump_flow_info): Call it.
10837 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10839 * basic-block.h (dump_bb_info): Declare.
10840 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10841 option, and apply options only for dump files whose TDF_RTL,
10842 TDF_TREE, or TDF_IPA bits match.
10843 * rtl.h: Declare new functions exported from sched-vis.c.
10844 * sched-vis.c: Enable also if scheduling is not used.
10845 (print_value): Print the mode of registers if not inside scheduling.
10846 (print_insn): Make it work outside the scheduler. Beautify the output
10848 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10850 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10852 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10853 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10854 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10855 depending on the value of CONSTANT_POOL_ADDRESS_P.
10856 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10858 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10859 rather than SYMBOL_REF_DECL.
10860 (rtx_constant_pool): Remove const_rtx_sym_htab.
10861 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10862 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10863 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10864 Remove handling of const_rtx_sym_htab.
10865 (find_pool_constant): Delete.
10866 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10867 rather than find_pool_constant.
10868 (get_pool_constant_for_function): Delete.
10869 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10870 find_pool_constant.
10871 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10872 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10873 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10874 (SYMBOL_REF_CONSTANT): New macro.
10875 (get_pool_constant_for_function): Delete.
10876 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10877 rather than SYMBOL_REF_DECL.
10878 (i386_pe_mark_dllimport): Likewise.
10879 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10880 rather than SYMBOL_REF_DECL.
10881 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10882 (machopic_indirect_call_target): Likewise.
10884 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10886 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10888 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10890 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10892 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10894 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10896 2006-01-24 David Daney <ddaney@avtrex.com>
10899 * configure.ac (enable_tls): New enable option.
10900 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10901 * configure: Regenerate.
10902 * doc/install.texi (--enable-tls): Document new option.
10903 (--disable-tls): Ditto.
10905 2006-01-24 Richard Henderson <rth@redehat.com>
10907 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10908 * alias.c (true_dependence): Respect it.
10909 (canon_true_dependence, write_dependence_p): Likewise.
10910 * builtins.c (get_builtin_sync_mem): Set it.
10912 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10914 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10917 2006-01-24 DJ Delorie <dj@redhat.com>
10919 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10920 for storing constants in single-bit bitfields.
10922 2006-01-25 Ben Elliston <bje@au.ibm.com>
10924 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10926 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10929 * tree-ssa-pre.c (phi_translate): Return NULL
10930 for AGGREGATE_TYPE's.
10932 2006-01-24 Zack Weinberg <zackw@panix.com>
10934 * genautomata.c (process_state_for_insn_equiv_partition):
10935 Use xcalloc for insn_arcs_array.
10936 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10937 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10939 2006-01-24 Richard Henderson <rth@redhat.com>
10941 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10942 update all callers.
10944 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10946 PR rtl-optimization/25890
10947 PR rtl-optimization/25905
10948 * combine.c (expand_compound_operation, expand_field_assignment):
10949 Fail if the bitfield's final position is out of bounds.
10951 2006-01-24 Ian Lance Taylor <ian@airs.com>
10953 PR middle-end/25930
10954 * cgraphunit.c (cgraph_output_in_order): Don't clear
10955 cgraph_asm_nodes until after asm strings have been output.
10957 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10959 * fix-header.c (read_scan_file): Add new parameter imultilib when
10960 calling register_include_chains.
10962 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10964 * omp-low.c: Update documentation.
10966 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10967 Daniel Berlin <dberlin@dberlin.org>
10971 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10972 return from the function.
10974 2006-01-22 Zack Weinberg <zackw@panix.com>
10976 * rtl.def (match_code): Add second argument.
10977 * genpreds.c (write_extract_subexp): New function.
10978 (write_match_code): Add path argument. Use write_extract_subexp.
10979 (write_predicate_expr): Pass path to write_match_code.
10980 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10981 not perform a mode test.
10982 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10983 a subexpression does not constrain the top-level code set.
10984 * read-rtl.c (read_rtx_variadic): New function.
10985 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10986 * doc/md.texi: Document new notation.
10987 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10988 (cmpsi_operand): ... here, using new notation.
10990 2006-01-22 Zack Weinberg <zackw@panix.com>
10992 * varray.c: Remove GENERATOR_FILE #ifdefs.
10994 2006-01-22 Zack Weinberg <zackw@panix.com>
10996 * genautomata.c (output_reserved_units_table): Emit nothing if
10997 description->query_units_num is zero. Remove extra blank line.
10998 (output_cpu_unit_reservation_p): Short circuit
10999 if description->query_units_num is zero.
11001 2006-01-22 Zack Weinberg <zackw@panix.com>
11003 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11004 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11005 nor any of the random handful of variables that used to be necessary
11006 when this program was linked with rtlanal.o. Prune set of forward
11007 function declarations.
11008 (struct attr_desc): Remove static_p field.
11009 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11010 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11011 (attr_string): Do not read the character one past the length of
11013 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11014 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11015 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11016 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11017 (make_automaton_attrs): New.
11018 (main): Do not call into genautomata. Call local gen_bypass
11019 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11020 Remove special case for insn_alts.
11021 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11022 varray.h (leftover from previous change). Prune set of forward
11023 function declarations. Remove state_alts fields from all
11024 structures. Remove state_alts_table from struct automaton.
11025 Make everything except main static. Do not maintain num_dfa_decls.
11026 Do not maintain state_alts fields of various structures.
11027 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11028 (add_arc): Remove state_alts argument. All callers updated.
11029 (output_reserved_units_table): Emit #ifdef here...
11030 (output_tables): ...not here. Don't generate state_alts tables.
11031 (expand_automata): Don't generate attributes.
11032 (write_automata): Don't generate state_alts functions.
11033 (main): New function.
11034 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11035 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11036 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11037 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11038 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11039 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11040 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11041 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11043 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11044 * genattrtab.h: Delete file.
11045 * Makefile.in (OBJS-common): Add insn-automata.o.
11046 (insn-automata.o): New rule.
11047 (simple_generated_c): Add insn-automata.c.
11048 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11049 (genprogmd): Add automata.
11050 (build/genattrtab): Needs no extra objects nor libraries.
11051 (build/genautomata): Needs build/vec.o and -lm.
11053 2006-01-22 Zack Weinberg <zackw@panix.com>
11055 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11056 (output_dfa_max_issue_rate, locked_states_num): Delete.
11057 (struct automaton): Add locked_states field.
11058 (output_dead_lock_vect): Save number of locked states in
11059 automaton->locked_states. If it is zero, don't print anything.
11060 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11061 (output_internal_dead_lock_func): Only test the dead_lock_vect
11062 for automata that have locked states.
11063 (output_statistics): Always print the number of locked states for
11064 each automaton. Calculate total number of locked states here.
11065 (write_automata): Don't call output_dfa_max_issue_rate.
11066 * genattrtab.c: Define length_unit_log as a const variable.
11067 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11068 max_insn_queue_index const.
11069 * final.c (length_unit_log): Declare const.
11070 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11072 2006-01-22 Zack Weinberg <zackw@panix.com>
11074 * genautomata.c: Include vec.h, not varray.h.
11075 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11076 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11077 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11078 VEC_* macros operating on appropriately typed vectors, or to
11079 malloced arrays when the size is known in advance. Const-ify
11080 many char* variables and function arguments. No functional changes.
11081 * Makefile.in (build/varray.o): Delete rule.
11082 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11083 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11085 2006-01-22 Zack Weinberg <zackw@panix.com>
11087 * gensupport.c: Define get_insn_name and record_insn_name here.
11088 (read_md_rtx): Call record_insn_name as appropriate.
11089 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11090 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11091 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11093 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11094 (BUILD_VARRAY): Delete.
11095 (genprognormal): Rename genprogmd. Fold in all programs from
11096 genprognoprint; also attrtab.
11097 (build/genattrtab): Just mention genautomata.o and varray.o.
11098 Reorganize a bit, add comments to make the categories clearer.
11100 2006-01-22 Zack Weinberg <zackw@panix.com>
11102 * genconditions.c (condition_table, add_condition): Delete.
11103 (write_conditions): Don't emit n_insn_conditions nor
11104 insn_elision_unavailable. Issue the gcc version #ifdef here,
11105 inside the table, with no #else clause ...
11106 (write_header): ...not here.
11107 (write_writer): New function.
11108 (main): Don't initialize condition_table. Use add_c_test.
11110 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11111 files on the command line.
11112 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11113 Return -1 if there is no entry in the table, don't abort.
11114 (add_c_test, traverse_c_tests): New functions.
11115 * gensupport.h (insn_elision_unavailable, insn_conditions)
11116 (n_insn_conditions): Delete declarations.
11117 (add_c_test, traverse_c_tests): Declare.
11118 * read-rtl.c: Include gensupport.h.
11119 (read_conditions): New function.
11120 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11121 (read_rtx_1): If we get EOF when we were looking for an initial
11122 open paren, return 0. Call read_conditions when appropriate.
11123 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11124 dummy-conditions.o. Eliminate references to insn-conditions.o,
11125 or change them to build/gencondmd.o, as appropriate. Remove
11126 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11127 from $(simple_generated_c). For all files remaining in those
11128 two lists, add insn-conditions.md to the generator command line.
11129 Give insn-constants.h/s-constants their own rules. Add rules
11130 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11131 (build/read-rtl.o): Depend on gensupport.h.
11132 (genprognormal): Include preds.
11133 (genprogearly): Rename genprognoprint; only difference is now that
11134 they don't link with $(BUILD_PRINT).
11135 * dummy-conditions.c: Delete.
11137 2006-01-22 Zack Weinberg <zackw@panix.com>
11139 * genextract.c: Don't include insn-config.h. Do include vec.h.
11140 Declare vectors of int, char, and locstr.
11141 (locstr): New typedef.
11142 (struct extraction): Make all array fields into bare pointers.
11143 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11144 (insn_code_number): Delete.
11145 (accum_extract): New struct.
11146 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11147 (gen_insn): Take insn_code_number as an argument. Use an
11148 accum_extract structure instead of loading data directly into
11149 a struct extraction, and having to know how big it might get.
11150 (walk_rtx): Operate entirely on an accum_extract structure.
11151 (print_path): Avoid unnecessary use of printf.
11152 (print_header): New function, split out of main. Distinguish
11153 more carefully between an unrecognizable insn and an insn that
11154 has the code number of a define_expand.
11155 (main): Pass insn_code_number to gen_insn. Call print_header
11156 only after parsing. Avoid unnecessary use of printf.
11157 * Makefile.in (build/vec.o): New rule.
11158 (build/genextract): Depend on build/vec.o.
11159 (build/genextract.o): Don't depend on insn-config.h.
11161 2006-01-22 Zack Weinberg <zackw@panix.com>
11163 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11164 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11165 practical. Eliminate per-generator-program link rules.
11167 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11169 PR middle-end/24437
11170 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11171 with a call expr to ...
11172 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11174 2006-01-23 Richard Guenther <rguenther@suse.de>
11176 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11177 before make_edge with conditional EDGE_TRUE_VALUE.
11179 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11180 Jan Hubicka <jh@suse.cz>
11181 Richard Guenther <rguenther@suse.de>
11183 PR rtl-optimization/25654
11184 * cfgexpand.c (aggregate_contains_union_type): New function.
11185 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11186 for structure variables that contain a union type.
11188 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11190 * gengtype.c (new_structure): Return the structure.
11191 (create_option): Add an extra "next" argument.
11192 (create_field): New function.
11193 (adjust_field_rtx_def): Use create_option and create_field.
11194 Remove a now-unnecessary call to find_structure.
11195 (adjust_field_tree_def): Likewise.
11196 (note_yacc_type): Remove an unnecessary call to find_structure.
11197 * gengtype.h (new_structure): Return the structure.
11198 (create_option): Add an extra argument.
11199 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11200 (option): Adjust calls to create_option.
11202 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11204 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11206 2006-01-22 Paul Brook <paul@codesourcery.com>
11207 Peter Barada <peter@the-baradas.com>
11209 * config/m68k/m68k.md: Add Coldfire FPU support.
11210 Define FP mode macro and associated attributes.
11211 Use it for float mode patterns.
11212 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11213 (LIBCALL_VALUE): Use m68k_libcall_value.
11214 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11215 (m68k_function_value): Ditto.
11216 (emit_move_sequence): Ditto.
11217 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11218 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11219 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11220 (MULTILIB_EXCEPTIONS): Ditto.
11221 * config/m68k/m68k.opt: Add mcfv4e.
11222 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11223 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11224 (m68k_output_function_prologue): Save ColdFire FPU registers.
11225 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11226 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11227 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11228 ColdFire FPU registers.
11229 (m68k_libcall_value, m68k_function_value): New functions.
11230 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11231 (LIBCALL_VALUE): Use m68k_libcall_value.
11232 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11233 (MASK_COLDFIRE): Add MASK_CFV4E.
11234 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11235 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11236 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11237 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11238 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11239 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11240 * doc/invoke.tex: Document -mcfv4e on m68k.
11242 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11244 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11247 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11250 * c-opts.c (c_common_handle_option): Don't include
11251 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11252 * doc/invoke.texi (C++ Dialect Options): Document that
11253 -Wnon-virtual-dtor is no longer included in -Wall.
11255 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11257 * gcov.c (print_version), gcov-dump.c (print_version),
11258 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11261 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11263 * df-scan.c (problem_SCAN): Added NULL reset function.
11264 (df_scan_reset_blocks): Added code to call reset block function
11265 (df_bb_refs_delete) Fixed comment.
11266 (df_insn_refs_delete): Made tolerant of deleting non existent info
11267 for dataflow problems that need to be reset.
11268 * df-core.c (df_set_blocks): Ditto.
11269 * df.h (struct df_problem): Added reset_fun.
11270 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11271 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11272 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11273 functions to clear out all references to def-use or use-def chains.
11275 2006-01-21 Ben Elliston <bje@au.ibm.com>
11277 * varasm.c (assemble_real): Initialise data array.
11279 2006-01-20 Paul Brook <paul@codesourcery.com>
11281 Merge from csl-arm-branch.
11282 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11283 * config/arm/arm.md (movdi): Force operands[1] to a register
11284 if we have a non-register source.
11285 (*arm_movdi, *movdf_soft_insn): Require that one of the
11286 operands be a register.
11287 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11288 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11290 2006-01-20 DJ Delorie <dj@redhat.com>
11292 * varasm.c (initializer_constant_valid_p): Allow pointers
11293 initialized from integer constants of lesser precision.
11294 (output_constant): Allow non-int-sized pointer modes to be
11295 initialized from integer constants.
11297 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11300 * cppdefault.h (struct default_include): Add multilib flag.
11301 * cppdefault.c (cpp_include_defaults): Set it.
11302 * c.opt (-imultilib): New option.
11303 * c-opts.c (imultilib): New.
11304 (c_common_handle_option): Handle -imultilib.
11305 (c_common_post_options): Likewise.
11306 * c-incpath.c (add_standard_paths, register_include_chains):
11308 * c-incpath.h (register_include_chains): Add extra parameter.
11309 * gcc.c (do_spec_1): Generate -imultilib option.
11310 (The Specs Language): Update %I description.
11311 (process_command): Update copyright notice.
11312 * doc/cppopts.texi (-imultilib): Document.
11313 * doc/invoke.texi (-imultilib): Include in option summary.
11314 (%I): Update specs documentation.
11316 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11318 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11320 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11322 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11325 2006-01-20 Richard Guenther <rguenther@suse.de>
11326 Steven Bosscher <stevenb.gcc@gmail.com>
11328 PR rtl-optimization/24626
11329 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11330 EDGE_TRUE_VALUE if in RTL mode.
11333 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11334 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11336 2006-01-20 Dirk Mueller <dmueller@suse.com>
11339 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11340 instead of a special NOP marker.
11341 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11342 NOP marker handling.
11343 * c-common.h (empty_body_warning): Add forward declaration.
11344 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11345 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11347 2006-01-20 Paul Brook <paul@codesourcery.com>
11349 * Makefile.in (lang_checks): Keep going if mkdir fails.
11351 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11353 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11354 be able to clean out basic block when not necessary.
11355 (df_scan_free): Fixed to properly delete information if df is
11356 unused before calling df_finish.
11357 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11358 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11360 (df_bb_refs_delete): New function.
11361 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11362 * df-core.c (df_set_blocks): Added code to properly clean out
11363 unused blocks if they are not part of the blocks to consider.
11364 Added additional null check.
11365 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11366 be able to clean out basic block when not necessary
11367 * df.h (df_free_bb_function): Ditto.
11368 (df_bb_refs_delete): New function.
11369 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11370 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11371 basic block parameter to be able to clean out basic block when not
11373 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11374 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11375 Fixed to properly delete information if df is unused before
11378 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11380 PR rtl-optimization/25799
11381 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11382 Corrected confluence operator to remove bits from op2 before oring
11383 with op1 rather than removing bits from op1.
11384 (df_ru_transfer_function): Corrected test on wrong bitmap which
11385 caused infinite loop. Both of these problems were introduced in
11386 the dataflow rewrite.
11388 2006-01-19 DJ Delorie <dj@redhat.com>
11390 * reload1.c (find_reload_regs): Note the details of reload
11391 failures in the dump file.
11392 (spill_failure): Likewise.
11394 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11396 * loop-iv.c: Include df.h and hashtab.h.
11397 (enum iv_grd_result): New enum.
11398 (DF_REF_IV, DF_REF_IV_SET): New macros.
11399 (struct biv_entry): New.
11400 (df, bivs): New global variables.
11401 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11402 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11404 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11405 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11406 analyzed_for_bivness_p, record_biv): New functions.
11407 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11408 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11409 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11411 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11413 (iv_number_of_iterations): Use new interface to iv analysis.
11414 * loop-unroll.c: Do not include varray.h.
11415 (analyze_iv_to_split_insn): Use new interface to iv
11417 * loop-unswitch.c (may_unswitch_on): Ditto.
11418 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11420 (df_bb_modify): Realloc tables to the new index.
11421 (df_find_use): New function.
11422 * df.h (df_find_use): Declare.
11423 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11425 * cfgloop.h (struct rtx_iv): Remove analysed field.
11426 (iv_get_reaching_def): Removed.
11427 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11428 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11429 (loop-iv.o): Add df.h and hashtab.h dependency.
11430 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11432 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11435 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11437 (__floatundisf, __floatundidf): Likewise.
11438 * libgcc2.h (IS_IBM_EXTENDED): Define.
11440 2006-01-19 DJ Delorie <dj@redhat.com>
11442 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11444 2006-01-19 Paul Brook <paul@codesourcery.com>
11446 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11447 as nothrow when unwinding tables are disabled.
11449 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11452 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11453 of bit-field" when in system header.
11455 2006-01-19 DJ Delorie <dj@redhat.com>
11457 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11458 the 16 bit shift limit of the m16c.
11460 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11463 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11464 * config/i386/i386.c (output_set_got): Output the label if we have one
11465 for the TARGET_DEEP_BRANCH_PREDICTION case.
11467 2006-01-19 Jan Hubicka <jh@suse.cz>
11468 H.J. Lu <hongjiu.lu@intel.com>
11469 Evandro Menezes <evandro.menezes@amd.com>
11471 * invoke.texi (generic): Document
11473 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11474 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11475 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11476 (x86_use_incdec, x86_pad_returns): New variables
11477 (TARGET_CPU_DEFAULT_generic): New constant
11478 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11479 (enum processor_type): Add generic32 and generic64.
11480 * i386.md (cpu attribute): Add generic32/generic64
11481 (movhi splitter): Behave sanely when both partial_reg_dependency and
11482 partial_reg_stall are set.
11483 (K8 splitters): Enable for generic as well.
11484 * predicates.md (incdec_operand): Use TARGET_INCDEC
11485 (aligned_operand): Avoid memory mismatch stalls.
11486 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11487 * ppro.md: Enable for generic32
11488 * i386.c (generic64_cost, generic32_cost): New.
11489 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11490 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11491 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11492 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11493 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11494 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11495 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11496 x86_accumulate_outgoing_args, x86_prologue_using_move,
11497 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11498 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11499 Enable for generic.
11500 (x86_use_incdec, x86_pad_returns): New.
11501 (override_options): Add generic32 and generic64, translate "generic"
11502 to generic32/generic64 and "i686" to "generic32", refuse
11503 "generic32"/"generic64" as arch target.
11504 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11505 (ix86_reorg): Honor PAD_RETURNS.
11507 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11509 * tree-pretty-print.c (dump_generic_node): Handle
11510 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11511 * cgraph.c (cgraph_expand_queue): Rename from
11512 cgraph_analyze_queue. Update all users.
11513 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11514 cgraph_expand_queue.
11515 (cgraph_expand_all_functions): Likewise.
11516 (cgraph_finalize_pending_functions): Remove. Update callers.
11518 * tree.h (OMP_DIRECTIVE_P): Define.
11519 (OMP_PARALLEL_FN): Define.
11520 (OMP_PARALLEL_DATA_ARG): Define.
11521 (OMP_SECTIONS_SECTIONS): Define.
11522 * tree-pass.h (pass_expand_omp): Declare.
11523 * omp-low.c (struct omp_region): Declare.
11524 (struct omp_context): Remove fields 'parallel_type',
11525 'parallel_start_ix' and 'parallel_start_additional_args'.
11527 (struct omp_for_data): Rename from struct expand_omp_for_data.
11528 (omp_regions): New static variable.
11529 (root_omp_region): New static variable.
11530 (find_omp_clause): Make static.
11531 (is_in_combined_parallel_ctx): Remove.
11532 (is_combined_parallel): New.
11533 (extract_omp_for_data): Move earlier in the file.
11534 (workshare_safe_to_combine_p): New.
11535 (get_ws_args_for): New.
11536 (determine_parallel_type): Move earlier in the file.
11537 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11539 (omp_copy_decl): Likewise.
11540 (create_omp_child_function): Likewise.
11541 (lookup_omp_region): New.
11542 (dump_omp_region): New.
11543 (debug_omp_region): New.
11544 (debug_all_omp_regions): New.
11545 (new_omp_region): New.
11546 (scan_omp_parallel): If parallel_nesting_level > 1, the
11547 directive is nested within another parallel directive.
11548 Set OMP_PARALLEL_FN.
11549 (scan_omp_for): Do not try to handle combined parallel+for
11551 Remove FIXME comment.
11552 (scan_omp_nested): Remove.
11553 (scan_omp_1): Do not call scan_omp_nested when
11554 parallel_nesting_level is > 1.
11555 Do not change the DECL_CONTEXT of local variables found.
11556 (lookup_decl_in_outer_ctx): New.
11557 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11558 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11559 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11560 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11561 If CTX is nested, lookup VAR in the outer context when
11562 building copy assignment.
11563 (lower_send_clauses): Rename from expand_send_clauses.
11564 If CTX is nested, lookup VAR in the outer context when
11565 building copy assignments.
11566 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11567 If CTX is nested, lookup VAR in the outer context when
11568 building copy assignments.
11569 (expand_parallel_call): Rename from build_parallel_call.
11570 Handle combined parallel+workshare cases.
11571 Re-implement to emit code into the CFG.
11573 (expand_omp_parallel): Re-implement to emit code into the CFG.
11574 Call move_sese_region_to_fn to outline the sub-graph
11575 containing the parallel region.
11576 (expand_omp_for_1): Remove.
11577 (expand_omp_for_generic): Re-implement to emit code into the
11579 (expand_omp_for_static_nochunk): Likewise.
11580 (expand_omp_for_static_chunk): Likewise.
11581 (expand_omp_for): Likewise.
11582 (expand_omp_sections): Likewise.
11583 (remove_exit_barriers): New.
11584 (expand_omp_synch): New.
11586 (build_omp_regions_1): New.
11587 (build_omp_regions): New.
11588 (execute_expand_omp): New.
11589 (gate_expand_omp): New.
11590 (pass_expand_omp): Define.
11591 (lower_omp_sections): Rename from expand_omp_sections.
11592 Set OMP_SECTIONS_SECTIONS.
11593 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11594 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11595 (lower_omp_single): Rename from expand_omp_simple.
11596 (lower_omp_master): Rename from expand_omp_master.
11597 (lower_omp_ordered): Rename from expand_omp_ordered.
11598 (lower_omp_critical): Rename from expand_omp_critical.
11599 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11600 (lower_omp_for): Re-implement.
11601 (lower_omp_parallel): Re-implement.
11602 (lower_regimplify): Rename from expand_regimplify.
11603 (lower_omp_1): Rename from expand_omp_1.
11604 If there are syntax errors in the program, replace every
11605 OpenMP directive with NOP.
11606 Call lower_omp_* instead of expand_omp_*.
11607 (lower_omp): Rename from expand_omp.
11609 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11610 * tree-gimple.h (enum omp_parallel_type): Remove.
11611 (gimple_boolify): Declare extern.
11612 (find_omp_clause, determine_parallel_type): Remove.
11614 * gimple-low.c (lower_omp_directive): New.
11615 (lower_stmt): Call it.
11616 (record_vars_into): Move from ...
11617 (record_vars): ... here.
11618 Call record_vars_into with current_function_decl.
11620 * gimplify.c (struct gimplify_ctx): Remove fields
11621 combined_pre_p and combined_ctxp. Update users.
11622 (get_formal_tmp_var): Add documentation.
11623 (gimple_boolify): Make extern.
11624 (gimplify_expr_in_ctx): Remove. Update callers.
11625 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11626 will always be a BIND_EXPR.
11627 (gimplify_expr): Handle OMP_RETURN_EXPR.
11628 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11629 (OMP_PARALLEL): Add 3 operands.
11630 (OMP_SECTIONS): Add 1 operand.
11631 (OMP_RETURN_EXPR): Define.
11633 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11634 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11635 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11636 creating a circular free list.
11637 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11639 * tree-flow.h (move_sese_region_to_fn): Declare.
11640 (record_vars_into): Declare.
11641 * tree-cfg.c (make_omp_sections_edges): New.
11642 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11643 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11644 OMP_SECTIONS and OMP_SECTION.
11645 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11646 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11647 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11648 (gather_blocks_in_sese_region): New.
11649 (struct move_stmt_d): Declare.
11650 (move_stmt_r): New.
11651 (move_block_to_fn): New.
11652 (move_sese_region_to_fn): New.
11654 * passes.c (init_optimization_passes): Schedule
11655 pass_expand_omp after pass_init_datastructures.
11657 * tree-ssa-operands.c (get_expr_operands): Handle
11658 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11659 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11661 2006-01-19 Jeff Law <law@redhat.com>
11663 * tree-vrp.c (extract_range_from_assert): Refine the result range
11664 if the variable referenced by the ASSERT_EXPR has a range and
11665 either the tentative result range or the previous range is a
11668 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11670 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11672 2006-01-19 Jan Hubicka <jh@suse.cz>
11674 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11676 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11678 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11679 (expand_compound_operation, expand_field_assignment): Fail if the
11680 bit lengths of an extract operation are out of range.
11681 (make_extraction): Compute wanted_inner_mode based on the position
11682 and length of the extraction. Make it extraction_mode for non-constant
11683 positions, and do not modify offset in that case. When generating a
11684 new MEM, use a mode that can hold the extraction while keeping correct
11685 alignment. Remove code that supported MEMs wrapped by USEs.
11686 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11688 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11690 * config/s390/s390.md ("Y", "y"): New mode attribute.
11691 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11692 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11693 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11694 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11695 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11696 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11697 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11698 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11699 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11700 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11701 "addsi3", "subsi3"): Insn patterns removed.
11702 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11703 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11704 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11705 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11706 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11707 "*sub<mode>3_cconly2"): New insn patterns.
11708 ("addsi3", "subsi3"): New expanders.
11710 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11712 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11713 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11714 existing STMT_VINFO_VECTYPE if available.
11715 (vect_mark_relevant): Add special handling for stmts that are
11716 marked as STMT_VINFO_IN_PATTERN_P.
11717 (vect_analyze_loop): Call vect_pattern_recog.
11718 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11719 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11721 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11722 (vect_recog_func_ptr): New function-pointer type.
11723 * tree-vect-patterns.c: New file.
11724 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11725 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11726 (vect_pattern_recog_1): New functions.
11727 (vect_pattern_recog_funcs): New array of function pointers.
11729 * tree-vectorizer.h (ternary_op): New enum value.
11730 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11731 declaration. Revised documentation. Removed redundant dump prints.
11732 Removed redundant argument. Added support for reduction patterns.
11733 (vectorizable_reduction): Added support for reduction patterns.
11734 (vect_transform_stmt): Added support for patterns.
11736 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11737 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11738 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11739 (expand_widen_pattern_expr): New function.
11740 (init_optabs): Initialize new optabs udot_prod_optab,
11742 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11743 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11744 (expand_widen_pattern_expr): New function declaration.
11745 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11747 * tree-inline.c (estimate_num_insns_1): Added cases for new
11748 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11749 * tree-pretty-print.c (dump_generic_node): Likewise.
11750 (op_prio): Likewise.
11751 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11752 * tree-ssa-operands.c (get_expr_operands): Added case for
11754 * tree-vect-patterns.c (widened_name_p): New function.
11755 (vect_recog_dot_prod_pattern): Added function implementation.
11756 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11757 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11758 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11759 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11761 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11762 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11763 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11764 (init_optabs): Initialize new optabs widen_ssum_optab,
11766 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11767 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11768 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11769 use instead of type of def.
11770 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11771 function implementation.
11772 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11773 widen_ssumv8hi): New.
11775 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11778 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11781 * c-decl.c (add_flexible_array_elts_to_size): New function.
11782 (finish_decl): Use it.
11784 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11786 * diagnostic.h: Include options.h.
11787 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11788 dependancies for diagnostic.h.
11789 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11791 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11793 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11794 (ssa_ro_call_cache_valid): Ditto.
11795 * tree-ssa-alias.c (sort_tags_by_id): New function.
11796 (init_transitive_clobber_worklist): Ditto.
11797 (add_to_worklist): Ditto.
11798 (mark_aliases_call_clobbered): Ditto.
11799 (compute_tag_properties): Ditto.
11800 (set_initial_properties): Ditto.
11801 (compute_call_clobbered): Ditto.
11802 (compute_may_aliases): Call compute_call_clobbered and grouping.
11803 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11804 (compute_flow_insensitive_aliasing): Grouping now happens in our
11806 (setup_pointers_and_addressables): Remove clobbering related code.
11807 (add_may_alias): Ditto.
11808 (replace_may_alias): Ditto.
11809 (get_nmt_for): Ditto.
11810 (create_global_var):
11811 (is_escape_site): Return an escape_type enumeration.
11812 * tree-flow-inline.h (is_call_clobbered): Global var does not
11813 imply call clobbered.
11814 (mark_call_clobbered): Take a reason for marking this. Remove
11815 marking of globalness, and cache invalidation.
11816 (clear_call_clobbered): Remove cache invalidation code.
11817 * tree-dfa.c (dump_variable): If details is on, dump the reason
11819 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11821 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11822 (struct var_ann_d): Ditto.
11823 (enum escape_type): New.
11824 (mark_call_clobbered): Adjust prototype.
11825 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11826 are never call clobbered.
11827 Record reasons for escaping.
11828 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11829 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11830 (ssa_ro_call_cache_valid): Ditto.
11831 (clobbered_v_may_defs): Ditto.
11832 (clobbered_vuses): Ditto.
11833 (ro_call_vuses): Ditto.
11834 (clobber_stats): New.
11835 (init_ssa_operands): Zero out clobber stats.
11836 (fini_ssa_operands): Print out clobber stats.
11837 (get_call_expr_operands): Pass callee fndecl to
11838 add_call_read_ops).
11839 (add_call_clobber_ops): Remove use of cache.
11840 Add use of PURE_CONST information.
11841 (add_call_read_ops): Remove use of cache.
11842 Add use of static not_read information.
11844 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11846 Introduce TLS descriptors for i386 and x86_64.
11847 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11848 (TARGET_ANY_GNU_TLS): New macro.
11849 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11850 (struct machine_function): Add tls_descriptor_call_expanded_p.
11851 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11852 (ix86_current_function_calls_tls_descriptor): Likewise.
11853 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11854 (override_options): Introduce gnu2 tls dialect.
11855 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11857 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11859 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11860 (ix86_init_machine_status): Initialize new field.
11861 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11862 (ix86_tls_module_base): New.
11863 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11864 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11865 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11866 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11867 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11868 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11869 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11870 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11871 * config/i386/predicates.md (tls_modbase_operand): New.
11872 (tp_or_register_operand): New.
11874 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11876 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11877 (look_for_address_of): Ditto.
11878 (ipa_init): Walk the function decls.
11879 (static_execute): Don't set readonly on FUNCTION_DECL's.
11881 2006-01-18 Roger Sayle <roger@eyesopen.com>
11883 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11884 for shifts where the source and destination registers are different.
11886 2006-01-18 Paul Brook <paul@codesourcery.com>
11888 Merge from csl-arm-branch.
11889 2005-03-14 Julian Brown <julian@codesourcery.com>
11890 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11891 (aeabi_llsl): Likewise.
11892 (ashrdi3): Likewise.
11893 (aeabi_lasr): Likewise.
11894 (lshrdi3): Likewise.
11895 (aeabi_llsr): Likewise.
11896 2005-03-10 Julian Brown <julian@codesourcery.com>
11897 * config.gcc: Disable shared libgcc for SymbianOS.
11898 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11900 2006-01-18 DJ Delorie <dj@redhat.com>
11902 * c-pragma.c (handle_pragma_diagnostic): New.
11903 (init_pragma): Register it.
11904 * doc/extend.texi: Document it.
11906 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11907 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11908 (diagnostic_context): Add classify_diagnostic[].
11909 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11910 as errors if they're overridden to DK_WARNING.
11911 (diagnostic_initialize): Initialize classify_diagnostic[].
11912 (diagnostic_set_kind_override): New.
11913 (diagnostic_report_diagnostic): Check for kind changes.
11914 * opts.c (common_handle_option): Take lang_mask. Update callers.
11915 Handle OPT_Werror_.
11916 * common.opt (Werror=): New.
11917 * doc/invoke.texi: Document -Werror=*
11919 2006-01-18 Jeff Law <law@redhat.com>
11921 * tree-vrp.c (test_for_singularity): Correct test for new
11922 min limit. Use operand_equal_p rather than pointer equality
11923 for testing if new min/max values are equal.
11925 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11926 using range information until after propagation and folding.
11928 2006-01-18 Richard Henderson <rth@redhat.com>
11929 Aldy Hernandez <aldyh@redhat.com>
11930 Jakub Jelinek <jakub@redhat.com>
11931 Diego Novillo <dnovillo@redhat.com>
11933 * omp-low.c: New file.
11934 * c-omp.c: New file.
11936 2006-01-18 Richard Henderson <rth@redhat.com>
11937 Jakub Jelinek <jakub@redhat.com>
11938 Diego Novillo <dnovillo@redhat.com>
11940 * doc/invoke.texi: Document -fopenmp.
11941 * tree-dump.h (debug_function): Declare.
11942 * hooks.c (hook_bool_tree_bool_false): New function.
11943 (hook_tree_tree_null): Remove.
11944 (hook_tree_tree_tree_null): New.
11945 * hooks.h: Update to match.
11946 * tree-pretty-print.c (debug_tree_chain): New.
11947 (print_generic_expr): Handle TDF_CHAIN.
11948 (dump_generic_node): Handle BLOCK.
11949 Do not abort with incomplete SWITCH_EXPRs.
11950 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11951 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11952 print space after directive name.
11953 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11954 Handle OMP_MASTER and OMP_ORDERED.
11955 Handle printing of OMP_BODY just in one place, goto
11956 dump_omp_body in the rest of OMP_* nodes that have
11958 Don't handle clause nodes here. Update omp statements to
11959 use dump_omp_clauses.
11960 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11961 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11962 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11963 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11964 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11965 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11966 Adjust output for GOMP_PARALLEL.
11967 (dump_omp_clauses): New.
11968 (print_declaration): Dump DECL_VALUE_EXPR.
11969 (op_symbol_1): Split out of op_symbol.
11970 (dumping_stmts): Remove. Update all users.
11971 * cgraph.c (cgraph_analyze_queue): New.
11972 (cgraph_add_new_function): New.
11973 * cgraph.h (cgraph_analyze_queue): Declare.
11974 (cgraph_add_new_function): Declare.
11975 (cgraph_lower_function): Remove.
11976 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11977 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11978 and TYPE_P nodes in its default clause.
11979 (empty_body_p): New.
11980 (tree_range_check_failed): New.
11981 (build5_stat): New.
11982 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11983 OMP_CLAUSE_REDUCTION_MERGE,
11984 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11985 OMP_CLAUSE_PRIVATE_DEBUG,
11986 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11987 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11988 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11989 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11990 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11991 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11992 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11993 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11994 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11995 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11996 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11997 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11998 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11999 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12000 (TREE_RANGE_CHECK): New.
12001 (empty_body_p): Declare.
12002 (enum omp_clause_default_kind): New.
12003 (build_string_literal): Declare.
12004 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12005 (build5_stat, build5): Declare.
12006 * tree-pass.h (TDF_CHAIN): Define.
12007 * tree-pass.h (PROP_gimple_lomp): Define.
12008 (pass_lower_omp): Declare.
12009 * diagnostic.h (debug_tree_chain): Declare.
12010 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12012 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12013 * builtins.c (build_string_literal): Make extern.
12014 * gcc.c (include_spec_function): New.
12015 (static_spec_functions): Add it.
12016 (main): Move load of libgomp.spec ...
12017 (LINK_COMMAND_SPEC): ... here.
12018 (link_gomp_spec): New.
12019 (static_specs): Include it.
12020 (LINK_COMMAND_SPEC): Add link_gomp.
12021 (GOMP_SELF_SPECS): New.
12022 (driver_self_specs): Include it.
12023 (switch_matches): Don't mark inline.
12024 (main): Load libgomp.spec.
12025 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12026 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12027 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12028 * tree-gimple.h (enum omp_parallel): Declare.
12029 (determine_parallel_type): Declare.
12030 (omp_firstprivatize_variable): Declare.
12031 (omp_reduction_init): Declare.
12032 (diagnose_omp_structured_block_errors): Declare.
12033 (struct walk_stmt_info): Add want_return_expr.
12034 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12035 (find_omp_clause): Declare.
12036 (insert_field_into_struct): Declare.
12037 (struct walk_stmt_info): Move from tree-nested.c
12038 (walk_stmts): Declare.
12039 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12041 * cgraphunit.c (cgraph_lower_function): Make static.
12042 (cgraph_finalize_pending_functions): New.
12043 (cgraph_finalize_function): Call it.
12044 (cgraph_finalize_compilation_unit): Likewise.
12045 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12046 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12047 (BT_FN_UINT_UINT): New.
12048 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12049 DEF_FUNCTION_TYPE_VAR_4): Document.
12050 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12051 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12052 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12053 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12054 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12055 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12056 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12057 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12058 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12059 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12060 into separate files.
12061 (DEF_GOMP_BUILTIN): New.
12062 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12063 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12064 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12065 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12066 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12067 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12068 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12069 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12070 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12071 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12072 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12073 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12074 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12075 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12076 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12077 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12078 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12079 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12080 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12081 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12082 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12083 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12084 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12085 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12086 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12087 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12088 * sync-builtins.def: New file, moved from builtins.def.
12089 * omp-builtins.def: New file, moved from builtins.def.
12090 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12091 * gimple-low.c (lower_function_body): Clear data.
12092 (lower_stmt): Do not handle COMPOUND_EXPR.
12093 Remove call to print_node_brief.
12094 * c-tree.h (c_finish_omp_clauses): New prototype.
12095 (C_DECL_THREADPRIVATE_P): Define.
12096 (lookup_name_no_remap, c_omp_remap_private): Remove
12097 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12098 (check_for_loop_decls): Update decl.
12099 (lookup_name_no_remap, c_omp_remap_private): Declare.
12100 (build_indirect_ref, build_modify_expr, pushdecl,
12101 pushdecl_top_level): Move to c-common.h.
12102 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12103 before the switch, but just in the 2 places that need it.
12104 * c-decl.c (diagnose_mismatched_decls): Do not check for
12105 mismatched thread-local attributes when OLDDECL is marked
12106 threadprivate and NEWDECL has no thread-local attributes.
12107 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12108 (c_gimple_diagnostics_recursively): Rename from
12109 c_warn_unused_result_recursively. Invoke
12110 diagnose_omp_structured_block_errors.
12111 (check_for_loop_decls): Return a singular decl found.
12112 * langhooks.c (lhd_omp_predetermined_sharing): Return
12113 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12114 (lhd_omp_firstprivatize_type_sizes): New.
12115 (lhd_omp_assignment): New.
12116 (lhd_omp_predetermined_sharing): New.
12117 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12118 (struct lang_hooks_for_types): Add
12119 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12120 omp_predetermined_sharing, omp_disregard_value_expr,
12121 omp_private_debug_clause, omp_clause_default_ctor,
12122 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12123 (c_finish_omp_clauses): New.
12124 (c_finish_bc_stmt): Diagnose break within omp for.
12125 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12126 (build_unary_op): Return error_mark after reporting
12128 (build_modify_expr): Likewise.
12129 * gimplify.c: Include optabs.h and pointer-set.h.
12130 (enum gimplify_omp_var_data): Declare.
12131 (struct gimplify_omp_ctx): Declare.
12132 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12134 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12135 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12136 (splay_tree_compare_decl_uid): New.
12137 (new_omp_context): New.
12138 (delete_omp_context): New.
12139 (gimple_add_tmp_var): Call omp_add_variable.
12140 (gimplify_bind_expr): Likewise.
12141 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12142 true, disregard DECL_VALUE_EXPR on the decl if any.
12143 (gimplify_expr_in_ctx): New.
12144 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12145 omp_add_variable, omp_notice_variable, omp_is_private
12146 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12147 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12148 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12149 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12150 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12151 gimplify_omp_atomic): New.
12152 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12153 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12154 OMP_CRITICAL and OMP_ATOMIC.
12155 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12156 * c-pragma.h (enum pragma_kind): Add
12157 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12158 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12159 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12160 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12161 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12162 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12163 PRAGMA_OMP_THREADPRIVATE.
12164 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12165 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12166 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12167 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12168 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12169 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12170 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12171 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12172 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12173 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12174 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12175 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12176 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12178 (struct nesting_info): Add field_map,
12179 suppress_expansion, debug_var_chain.
12180 (create_nesting_tree): Initialize them.
12181 (lookup_field_for_decl): Use field_map.
12182 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12183 (convert_local_omp_clauses): New.
12184 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12185 (walk_body): Split out of walk_function.
12186 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12187 (convert_nonlocal_reference): Handle omp statements.
12188 (convert_local_reference): Likewise.
12189 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12190 (unnest_nesting_tree): New.
12191 (lower_nested_functions): Call it.
12192 (insert_field_into_struct): Make extern.
12193 (struct walk_stmt_info): Move to tree-gimple.h.
12194 (walk_stmts): Make extern.
12195 * omp-builtins.def: New file.
12196 * tree-iterator.c (expr_only): Clarify comment.
12197 * c-common.h (pushdecl_top_level, pushdecl,
12198 build_modify_expr, build_indirect_ref,
12199 c_finish_omp_master, c_finish_omp_critical,
12200 c_finish_omp_ordered, c_finish_omp_barrier,
12201 c_finish_omp_atomic, c_finish_omp_flush,
12202 c_finish_omp_for, c_split_parallel_clauses,
12203 omp_clause_default_kind, c_omp_sharing_predetermined,
12204 c_omp_remap_decl): Declare.
12205 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12206 (OBJS-common): Add omp-low.o.
12207 (c-omp.o, omp-low.o): Add.
12208 (gimplify.o): Add dependency on $(OPTABS_H).
12209 (GTFILES): Add omp-low.c.
12210 (gt-stringpool.h): Add.
12211 * tree-cfg.c (set_bb_for_stmt): Do not update the
12212 block-to-labels map if we are currently expanding to RTL.
12213 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12215 Handle IDENTIFIER_NODE.
12216 (tree_verify_flow_info): Do not ICE when emitting error
12217 messages about invalid labels.
12218 (dump_function_to_file): Reset CFUN before emitting the body
12220 (debug_function): New.
12221 * passes.c (init_optimization_passes): Schedule
12223 * langhooks-def.h (lhd_omp_predetermined_sharing,
12224 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12226 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12227 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12228 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12229 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12230 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12231 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12232 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12233 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12234 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12235 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12236 (LANG_HOOK_DECLS): Use them.
12238 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12239 Richard Henderson <rth@redhat.com>
12240 Jakub Jelinek <jakub@redhat.com>
12241 Diego Novillo <dnovillo@redhat.com>
12243 * c-parser.c (pragma_omp_clause): Define.
12244 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12245 (c_parser_compound_statement): Likewise.
12246 (c_parser_statement): Likewise.
12247 (c_parser_pragma): Handle omp pragmas.
12248 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12249 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12250 (c_parser_omp_clause_name, check_no_duplicate_clause,
12251 c_parser_omp_variable_list,
12252 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12253 c_parser_omp_clause_copyprivate,
12254 c_parser_omp_clause_default,
12255 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12256 c_parser_omp_clause_lastprivate,
12257 c_parser_omp_clause_nowait,
12258 c_parser_omp_clause_num_threads,
12259 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12260 c_parser_omp_clause_reduction,
12261 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12262 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12263 c_parser_omp_atomic, c_parser_omp_barrier,
12264 c_parser_omp_critical, c_parser_omp_flush,
12265 c_parser_omp_for_loop, c_parser_omp_for,
12266 c_parser_omp_master, c_parser_omp_ordered,
12267 c_parser_omp_sections_scope, c_parser_omp_sections,
12268 c_parser_omp_parallel, c_parser_omp_single,
12269 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12270 * c-pragma.c (init_pragma): Do omp pragma registration here.
12271 * c.opt (fopenmp): New flag.
12273 2006-01-18 Eric Christopher <echristo@apple.com>
12275 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12276 * config/darwin.h (GOMP_SELF_SPECS): Define.
12278 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12280 * rtl.h: Remove the prototype for reg_alloc.
12282 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12285 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12286 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12287 sjlj and dwarf2 exception handling.
12288 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12289 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12290 * pa/pa.c (function_value): Treat complex and vector types as
12292 (function_arg): Likewise. Only pass scalar floats in the floating
12293 point argument registers.
12294 * pa/t-slibgcc-dwarf-ver: New file.
12295 * pa/t-slibgcc-sjlj-ver: New file.
12296 * pa/t-slibgcc-elf-ver: Delete file.
12298 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12300 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12301 unlikely_test_section_p test.
12303 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12305 * mode-switching.c (optimize_mode_switching): Make it static.
12306 * basic-block.h: Remove the prototype for
12307 optimize_mode_switching.
12309 * modulo-sched.c (sms_schedule): Make it static.
12310 * rtl.h: Remove the prototype for sms_schedule.
12312 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12313 * rtl.h: Remove the prototype for gcse_after_reload_main.
12315 * reg-stack.c (reg_to_stack): Make it static.
12316 * rtl.h: Remove the prototype for reg_to_stack.
12318 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12320 * rtl.h: Remove the prototypes for regrename_optimize and
12321 copyprop_hardreg_forward.
12323 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12325 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12326 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12327 Test against the appropriate null constant for the mode.
12328 If 'fixup_overlap' is true, swap the operands if they overlap.
12329 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12330 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12331 alpha_split_tmode_pair and adjust for above change.
12332 * config/alpha/alpha.md (movtf_internal): Adjust call to
12333 alpha_split_tfmode_pair and rely on it to swap the operands.
12334 (movti_internal): New insn and post-reload splitter.
12335 (movti): New expander.
12337 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12339 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12342 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12344 * rtlanal.c (global_reg_mentioned_p_1,
12345 global_reg_mentioned_p): Remove.
12346 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12348 * flow.c (initialize_uninitialized_subregs): Make it static.
12349 * rtl.h: Remove the prototype for
12350 initialize_uninitialized_subregs.
12352 * function.c (instantiate_virtual_regs): Make it static.
12353 * function.h: Remove the prototype for
12354 instantiate_virtual_regs.
12356 * regmove.c (regmove_optimize, combine_stack_adjustments):
12358 * rtl.h: Remove the prototypes for regmove_optimize and
12359 combine_stack_adjustments.
12361 2006-01-17 Roger Sayle <roger@eyesopen.com>
12363 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12364 (size_cost): Encode costs in bytes so that a reg-reg addition is
12365 equivalent to COSTS_N_INSNS(1).
12366 (override_options): Use the size_cost.branch_cost as the default
12367 ix86_branch_cost when optimizing for size.
12369 2006-01-18 Ben Elliston <bje@au.ibm.com>
12371 * Makefile.in (D32PBIT_FUNCS): New.
12372 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12373 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12374 D64PBIT_FUNCS and D128PBIT_FUNCS.
12375 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12376 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12378 (decnumber_dep): Define.
12379 * doc/libgcc.texi (Decimal float library routines): New node.
12380 * config/dfp-bit.h, config/dfp-bit.c: New files.
12382 2006-01-18 Ben Elliston <bje@au.ibm.com>
12384 * expr.c (emit_move_change_mode): Always adjust addresses, not
12385 just during reload. Copy replacements only during reload.
12386 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12387 emit_move_via_integer.
12389 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12391 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12392 instead of $(srcdir) and ${srcdir}.
12394 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12397 PR middle-end/11135
12398 * arm.h (struct machine_function): Add pic_reg.
12399 * arm.c (arm_pic_register): Make unsigned.
12400 (arm_override_options): Only set arm_pic_register if
12401 TARGET_SINGLE_PIC_BASE.
12402 (use_return_insn): Only test for a pic register if it is fixed.
12403 (arm_compute_save_reg0_reg12_mask): Likewise.
12404 (thumb_compute_save_reg_mask): Likewise.
12405 (legitimate_pic_operand): Factor out some known invariants.
12406 (legitimize_pic_address): If we don't have a fixed pic register,
12407 then set up a pseudo in the function entry sequence. Handle the
12408 pic base being in a pseudo.
12409 (arm_load_pic_register): Handle the pic register being in a pseudo.
12410 (arm_expand_prologue): Only set up the pic register if it is fixed.
12411 (thumb_expand_prologue): Likewise.
12412 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12413 (pic_load_addr_based_insn): Likewise.
12414 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12417 2006-01-18 Ben Elliston <bje@au.ibm.com>
12419 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12420 decimal float modes for all floating point registers.
12422 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12423 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12425 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12428 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12429 even when the pointer is not NULL.
12431 2006-01-16 Ian Lance Taylor <ian@airs.com>
12433 * common.opt (ftoplevel-reorder): New option.
12434 * cgraph.c (cgraph_asm_nodes): New global variable.
12435 (cgraph_asm_last_node): New static variable.
12436 (cgraph_order): New global variable.
12437 (cgraph_create_node): Set new order field.
12438 (cgraph_varpool_node): Likewise.
12439 (decide_is_variable_needed): Return true if not
12440 flag_toplevel_reorder.
12441 (cgraph_add_asm_node): New function.
12442 * cgraph.h (struct cgraph_node): Add order field.
12443 (struct cgraph_varpool_node): Add order field.
12444 (struct cgraph_asm_node): Define.
12445 (cgraph_asm_nodes, cgraph_order): Declare.
12446 (cgraph_add_asm_node): Declare.
12447 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12449 (cgraph_varpool_assemble_pending_decls): Call it.
12450 (cgraph_output_pending_asms): New static function.
12451 (cgraph_finalize_compilation_unit): Call it.
12452 (struct cgraph_order_sort): Define.
12453 (cgraph_output_in_order): New static function.
12454 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12455 !flag_toplevel_reorder case.
12456 * c-parser.c: Include "cgraph.h".
12457 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12459 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12460 than -fno-unit-at-a-time.
12461 * doc/invoke.texi (Option Summary): Mention
12462 -fno-toplevel-reorder.
12463 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12464 -funit-at-a-time documentation.
12466 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12467 Kazu Hirata <kazu@codesourcery.com>
12469 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12471 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12473 * Makefile.in (FUNCTION_H): New. Use it instead of
12474 function.h throughout the file.
12475 * function.h: Include tree.h.
12477 2006-01-17 Ben Elliston <bje@au.ibm.com>
12479 * recog.c: Separate some functions with whitespace.
12481 2006-01-16 Richard Henderson <rth@redhat.com>
12483 Merge from gomp branch:
12484 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12485 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12486 and rename from struct inline_data. Rename callee* to dst*;
12487 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12488 transform_new_cfg, transform_return_to_modify, and
12489 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12491 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12492 (copy_decl_for_dup): Remove.
12493 * tree-inline.c (struct inline_data): Move to header.
12494 (insert_decl_map): Export.
12495 (remap_decl): Update for member name changes. Use copy_decl hook.
12496 Allow for replacement to be a non-decl. Remove dead code.
12497 (remap_type_1): Check for existing mapping.
12498 (remap_type): Export.
12499 (remap_decls): Update for member name changes.
12500 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12501 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12502 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12503 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12504 (tree_function_versioning, build_duplicate_type): Likewise.
12505 (copy_body_r): Likewise. Export.
12506 (copy_decl_for_dup): Split into ...
12507 (copy_decl_for_dup_finish, copy_decl_to_var,
12508 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12509 (replace_ref_tree, inlining_p): Remove.
12511 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12513 * ifcvt.c (if_convert): Make it static.
12514 * rtl.h: Remove the prototype for if_convert.
12516 * local-alloc.c (local_alloc): Make it static.
12517 * rtl.h: Remove the prototype for local_alloc.
12519 * loop.c (loop_optimize): Make it static.
12520 * cfgloop.h: Remove the prototype for loop_optimize.
12523 2006-01-16 DJ Delorie <dj@redhat.com>
12525 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12528 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12530 * pa.md: Disparage copies between general and floating-point registers
12531 in 32-bit move patterns.
12533 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12536 * Makefile.in (check-%): Depend on site.exp instead of
12537 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12540 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12542 * global.c (global_alloc): Make it static.
12543 * rtl.h: Remove the prototype for global_alloc.
12545 2006-01-16 Richard Guenther <rguenther@suse.de>
12547 * tree-ssa-alias.c (struct used_part): Add write_only field.
12548 (get_or_create_used_part_for): Initialize it to true.
12549 (create_overlap_variables_for): Don't create structure variables
12550 for structures that only are written to.
12551 (find_used_portions): Handle MODIFY_EXPR to track whether a
12552 structure is only written to.
12554 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12556 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12558 * basic-block.h: Remove the prototype for
12559 partition_hot_cold_basic_blocks.
12561 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12563 * cppspec.c (lang_specific_spec_functions): Remove.
12564 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12565 * gcc.h (lang_specific_spec_functions): Remove.
12566 * gccspec.c (lang_specific_spec_functions): Remove.
12568 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12570 * combine.c (record_value_for_reg): Invalidate registers
12572 (record_dead_and_set_regs_1): Likewise, by passing them to
12573 record_value_for_reg.
12574 (record_dead_and_set_regs): Invalidate stores made by a
12575 call. We do not combine across a call, but we still
12576 relied on equivalences.
12578 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12580 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12581 vrp_int_const_binop returning non-constant nodes.
12583 2006-01-16 Paul Brook <paul@codesourcery.com>
12585 * config/m68k/m68k.c (output_move_const_into_data_reg):
12586 Output correct mnemonic for mvz and mvs.
12588 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12590 * rtl-factoring.c: Add sequence abstraction algorithm.
12591 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12592 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12594 (block_has_preserve_label): New function.
12595 * common.opt: Register new pass.
12596 * Makefile.in: Ditto.
12598 * timevar.def: Ditto.
12599 * tree-pass.h: Ditto.
12600 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12601 * rtl.h (make_jump_insn_raw): Add forward decl.
12602 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12604 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12605 Roger Sayle <roger@eyesopen.com>
12607 * fold-const.c (fold_minmax): New static function.
12608 (fold_binary) <MIN_EXPR>: Call it.
12609 <MAX_EXPR>: Likewise.
12610 * stor-layout.c (place_field): Use DECL_SIZE consistently
12611 in the computation of the new record size.
12613 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12615 * cse.c (cse_condition_code_reg): Make it static.
12616 * rtl.h: Remove the prototype for cse_condition_code_reg.
12618 * combine.c (combine_instructions): Make it static.
12619 * rtl.h: Remove the prototype for combine_instructions.
12621 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12624 * tree.c (get_file_function_name_long): Concatenate the first global
12625 object name with a string derived from the input filename of the object
12628 2006-01-16 Ben Elliston <bje@au.ibm.com>
12630 * config/i386/winnt-stubs.c: Update FSF address.
12631 * config/xtensa/ieee754-df.S: Ditto.
12632 * config/xtensa/ieee754-sf.S: Ditto.
12634 2006-01-14 Ian Lance Taylor <ian@airs.com>
12636 * ifcvt.c (noce_init_if_info): New static function, broken out of
12637 noce_process_if_block.
12638 (noce_process_if_block): Call noce_init_if_info.
12639 (check_cond_move_block): New static function.
12640 (cond_move_process_if_block): New static function.
12641 (process_if_block): Call cond_move_process_if_block.
12643 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12645 * cselib.c (hash_table): Rename to cselib_hash_table.
12646 (cselib_clear_table, discard_useless_values,
12647 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12648 cselib_init, cselib_finish): Adjust uses of hash_table.
12650 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12652 PR tree-optimization/25485
12653 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12654 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12655 is known to be false and true, respectively.
12657 2006-01-14 Richard Guenther <rguenther@suse.de>
12659 PR tree-optimization/22548
12660 PR tree-optimization/22555
12661 PR tree-optimization/22501
12662 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12663 * params.def (salias-max-array-elements): New parameter.
12664 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12665 * doc/invoke.texi (salias-max-array-elements): Document.
12666 * tree-flow-inline.h (var_can_have_subvars): We also handle
12668 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12670 * tree-ssa-structalias.c (params.h): Include.
12671 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12672 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12673 (get_constraint_for): For ADDR_EXPR operating on something
12674 containing an ARRAY_REF, add all subvars to the solution.
12675 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12676 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12677 for creating MUST_DEFs.
12678 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12680 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12682 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12684 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12685 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12686 number_of_iterations_le): New functions.
12687 (number_of_iterations_special): Removed.
12688 (number_of_iterations_exit): Do not use number_of_iterations_special.
12689 * tree.c (unsigned_type_for): Always return integer type.
12691 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12692 Richard Guenther <rguenther@suse.de>
12694 PR rtl-optimization/24257
12695 * gcse.c (find_moveable_store): Only consider a store movable
12696 when the SET_SRC of the insn can be assigned to a register.
12698 2006-01-14 Ian Lance Taylor <ian@airs.com>
12700 * tree.c (tree_not_class_check_failed): New function.
12701 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12702 (tree_not_class_check_failed): Declare.
12704 2006-01-13 Ian Lance Taylor <ian@airs.com>
12706 * reload1.c (do_output_reload): Add assertion rejecting a
12709 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12711 * combine.c (struct reg_stat): Add new fields truncation_label and
12713 (record_value_for_reg): Reset truncated_to_mode.
12714 (record_truncated_value): New function.
12715 (check_promoted_subreg): Call it. Rename to check_conversions.
12716 (combine_instructions): Rename check_promoted_subreg to
12718 (reg_truncated_to_mode): New function.
12719 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12720 (gen_lowpart_or_truncate): New function.
12721 (force_to_mode): Use it instead of gen_lowpart.
12723 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12725 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12726 VAR is a tag, not its type tag.
12728 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12730 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12731 alternatives to match style of other entries.
12732 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12734 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12736 PR tree-optimization/25771
12737 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12740 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12743 * tree-inline.c (declare_return_variable): If the return variable
12744 was marked as a non gimple complex, set the return slot variable
12745 to be a non gimple comple variable.
12747 2006-01-13 Richard Guenther <rguenther@suse.de>
12749 * builtins.c (expand_builtin_sincos): New function.
12750 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12752 (expand_builtin): Expand sincos using expand_builtin_sincos.
12754 2006-01-12 DJ Delorie <dj@redhat.com>
12756 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12757 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12758 so that constant shifts can be split.
12759 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12760 (m32c_valid_pointer_mode): Make static.
12761 (shift_gen_func_for): New.
12762 (m32c_prepare_shift): Use it. Split large const shifts into
12764 * config/m32c/predicates.md (shiftcount_operand): Allow more
12766 (longshiftcount_operand): New.
12767 * doc/md.texi (Machine Constraints): Document In6.
12769 2006-01-13 Ben Elliston <bje@au.ibm.com>
12771 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12772 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12775 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12777 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12778 to try to avoid clobbering pieces of structures when we know
12779 something about the whole structure.
12780 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12782 2006-01-13 Ben Elliston <bje@au.ibm.com>
12784 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12785 return in memory, as this is no limitation is no longer present.
12787 2006-01-12 DJ Delorie <dj@redhat.com>
12789 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12790 mova with fb, and for fb+0 -> An.
12792 * config/m32c/mov.md (peephole2): Fix enabling logic.
12794 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12795 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12796 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12797 FINI_ARRAY_SECTION_ASM_OP): Define.
12799 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12801 (m32c_legitimize_reload_address): New logic to reload FB to An.
12802 (m32c_output_reg_push): Add newline.
12803 (m32c_output_reg_pop): Likewise.
12805 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12807 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12809 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12811 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12813 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12815 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12818 2006-01-11 Ben Elliston <bje@au.ibm.com>
12820 * rtlanal.c (find_reg_note): Assert insn is not null.
12822 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12824 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12827 2006-01-11 Jeff Law <law@redhat.com>
12829 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12831 (mark_threaded_blocks, register_jump_thread): New functions.
12832 (thread_through_all_blocks): Remove unwanted argument. No
12833 longer rely on e->aux to communicate thread target info.
12834 Call mark_threaded_blocks. Release the threaded_blocks
12835 bitmap and threaded_edges vector when complete.
12836 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12837 (threaded_blocks): Remove.
12838 (tree_ssa_dominator_optimize): Remove initialization and
12839 finalization of threaded_blocks. Simplify call to
12840 thread_through_all_blocks.
12841 (thread_across_edge): Call register_jump_thread rather than
12842 storing thread information into e->aux.
12843 (free_all_edge_infos): Simplify now that e->aux is no longer
12844 used to communicate with thread_through_all_blocks.
12845 * tree-flow.h (thread_through_all_blocks): Update prototype.
12846 (register_jump_thread): Prototype.
12848 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12850 * df-core.c (df_compact_blocks, df_bb_replace): Use
12851 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12853 2006-01-11 Richard Guenther <rguenther@suse.de>
12855 PR tree-optimization/25734
12856 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12857 stop propagation after successful propagation to the LHS.
12859 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12861 * basic-block.h (control_flow_graph): Change the type of
12862 x_basic_block_info to VEC(basic_block,gc) *.
12863 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12865 (SET_BASIC_BLOCK): New.
12866 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12867 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12868 * cfgbuild.c (find_basic_blocks): Likewise.
12869 * cfglayout.c (fixup_reorder_chain): Likewise.
12870 * cfgrtl.c (create_basic_block_structure,
12871 rtl_create_basic_block): Likewise.
12872 * ifcvt.c (find_if_case_1): Likewise.
12873 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12876 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12878 * Makefile.in: Removed rotted odf.c entry.
12880 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12883 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12884 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12885 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12886 output pattern modifier, not %e.
12887 * config/cris/cris.c (cris_op_str): Update comment about pattern
12889 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12890 before falling through into...
12891 <case 'E'>: Redefined from old 'e' case.
12893 2006-01-11 Jan Hubicka <jh@suse.cz>
12896 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12898 2006-01-11 Jan Hubicka <jh@suse.cz>
12900 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12901 * i386.c (x86_decompose_lea): Kill.
12902 (ix86_rtx_costs): Kill.
12904 2006-01-11 Jan Hubicka <jh@suse.cz>
12906 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12907 * cgraph.h (cgraph_node): Add inline_decl.
12908 (cgraph_insert_node_to_hashtable): Declare.
12909 (save_inline_function_body): Declare.
12910 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12912 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12913 (cgraph_function_versioning): Update call of tree_function_versioning.
12914 (save_inline_function_body): New function.
12915 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12916 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12917 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12918 (cgraph_default_inline_p): Likewise.
12919 (cgraph_decide_inlining_incrementally): Likewise.
12920 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12921 (copy_bb): Kill saving; do updating of clones.
12922 (copy_cfg_body): Kill saving.
12923 (initialize_inlined-parameters): Likewise.
12924 (expand_call_inline): Likewise.
12926 (tree_function_versioning): New parameter "update_clones".
12927 (inlining_p): Kill saving.
12928 * tree-inline.h (tree_function_versioning): Update prototype.
12929 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12932 2006-01-11 Ian Lance Taylor <ian@airs.com>
12934 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12935 Allow undoing set of machine mode.
12936 (do_SUBST): Use enums instead of is_int.
12937 (do_SUBST_MODE): New function.
12938 (SUBST_MODE): New macro.
12939 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12940 reg and trying to replace reg_regno_rtx with a new register.
12941 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12942 (simplify_set): Use SUBST_MODE.
12943 (distribute_notes): Remove code that tried to update reg notes
12944 for regno_reg_rtx changes.
12946 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12948 PR tree-optimization/23109
12949 PR tree-optimization/23948
12950 PR tree-optimization/24123
12952 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12953 * tree-cfg.c (single_noncomplex_succ): New.
12954 * tree-flow.h (single_noncomplex_succ): Declare it.
12955 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12956 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12957 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12958 insert_bb, register_division_in, insert_reciprocals,
12959 replace_reciprocal, free_bb): New.
12960 (execute_cse_reciprocals_1): Rewritten.
12961 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12962 Do not commit any edge insertion. Always compute dominators and
12963 create the allocation pool.
12964 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12965 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12966 * targhooks.c (default_min_divistions_for_recip_mul): New.
12967 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12968 * passes.c (init_optimization_passes): Run recip after tree loop
12970 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12972 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12973 Kenneth Zadeck <zadeck@naturalbridge.com>
12975 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12976 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12977 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12978 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12979 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12980 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12981 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12982 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12983 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12984 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12985 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12986 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12987 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12988 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12989 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12990 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12991 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12992 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12993 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12994 DF_SCAN_POST_ALLOC): New macros.
12995 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12996 df_free_bb_function, df_local_compute_function, df_init_function,
12997 df_dataflow_function, df_confluence_function_0,
12998 df_confluence_function_n, df_transfer_function,
12999 df_finalizer_function, df_free_function, df_dump_problem_function,
13000 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13001 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13002 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13003 df_urec_bb_info, ) New types.
13004 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13006 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13007 df_analyze_simple_change_some_blocks,
13008 df_analyze_simple_change_one_block, df_compact_blocks,
13009 df_bb_replace, df_bb_regno_last_use_find,
13010 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13011 df_insn_regno_def_p, df_find_def, df_find_use,
13012 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13013 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13014 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13015 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13016 debug_df_chain, df_get_dependent_problem, df_chain_create,
13017 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13018 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13019 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13020 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13021 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13022 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13023 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13024 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13025 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13026 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13027 df_reorganize_refs, df_set_state, df_hard_reg_init,
13028 df_read_modify_subreg_p) New public functions.
13029 * df-core.c: The core dataflow solver and glue routines for rtl
13031 (df_init, df_add_problem, df_set_blocks, df_finish,
13032 df_hybrid_search_forward, df_hybrid_search_backward,
13033 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13034 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13035 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13036 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13037 df_reg_defined, df_find_use, df_reg_used, df_dump,
13038 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13039 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13040 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13041 debug_df_useno, reset_df_after_reload): New functions.
13042 * df-scan.c: The scanning fuctions, once in df.c, completely
13043 rewritten so that they now fully model the functionality of
13044 register usage at the backend.
13045 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13046 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13047 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13048 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13049 df_get_artificial_defs, df_get_artificial_uses,
13050 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13051 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13052 df_refs_delete, df_reorganize_refs, df_set_state,
13053 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13054 df_def_record_1, df_defs_record, df_uses_record,
13055 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13056 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13057 df_record_exit_block_uses, df_hard_reg_init): New functions.
13059 * df-problems.c: Seven concrete dataflow problems that use the
13060 scanning in df-scan.c and are solved by the engine in df-core.c.
13061 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13062 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13063 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13064 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13065 df_ru_free_bb_info, df_ru_alloc,
13066 df_ru_bb_local_compute_process_def,
13067 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13068 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13069 df_ru_transfer_function, df_ru_free, df_ru_dump,
13070 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13071 df_rd_free_bb_info, df_rd_alloc,
13072 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13073 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13074 df_rd_transfer_function, df_rd_free, df_rd_dump,
13075 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13076 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13077 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13078 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13079 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13080 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13081 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13082 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13083 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13084 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13085 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13086 df_urec_mark_reg_use_for_earlyclobber,
13087 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13088 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13089 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13090 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13091 df_chain_create_bb_process_use, df_chain_create_bb,
13092 df_chain_finalize, df_chain_free, df_chains_dump,
13093 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13094 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13095 df_reg_lifetime): New functions.
13096 * df.c: Deleted file.
13097 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13098 consistent with new df api.
13099 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13100 rest_of_handle_sms): Ditto.
13101 * web.c (unionfind_union, union_defs, entry_register, web_main):
13103 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13104 invariant_expr_equal_p, find_defs, check_dependencies,
13105 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13106 free_inv_motion_data, move_loop_invariants): Ditto.
13107 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13108 Update dependencies.
13109 (odf.c): Added defective entry that was deleted later in day.
13110 * sched-deps.c (sched_analyze_1): Ditto.
13112 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13114 * tree-ssa-operands.c (get_expr_operands): Record addressable
13115 variables directly. Do not call add_stmt_operands for CONST_DECLs
13117 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13118 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13120 2006-01-11 Ben Elliston <bje@au.ibm.com>
13122 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13123 function returns true in the positive case.
13125 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13128 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13129 for SI, DI, SF and DF modes. Add alternatives to copy between
13130 general and floating point registers to the 32-bit patterns.
13131 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13132 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13133 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13134 generating 64-bit code.
13135 * config/pa/pa.c (output_move_double): Handle copies between general
13136 and floating registers.
13138 2006-01-10 Stuart Hastings <stuart@apple.com>
13140 * config/i386/i386.md (set_got): Update.
13141 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13142 (builtin_setjmp_receiver): Mach-O support.
13143 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13144 (GOT_SYMBOL_NAME): Define.
13145 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13146 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13147 * config/i386/i386.c (override_options): Revise for Darwin.
13148 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13149 support. (darwin_x86_file_end): New. (output_set_got): Add label
13150 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13151 * config/i386/i386-protos.h (output_set_got): Likewise.
13152 * config/darwin.c (machopic_legitimize_pic_address): Update
13155 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13157 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13158 when MODE isn't BLKmode.
13160 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13162 PR rtl-optimization/25367
13163 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13165 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13168 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13169 for a negative bound.
13171 2006-01-10 Richard Guenther <rguenther@suse.de>
13173 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13174 Never override with anything constraint.
13176 2006-01-10 Jan Beulich <jbeulich@novell.com>
13178 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13179 256 bits when optimize_size.
13181 2006-01-10 Jan Beulich <jbeulich@novell.com>
13183 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13185 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13186 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13189 2006-01-10 Ben Elliston <bje@au.ibm.com>
13191 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13193 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13194 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13195 (USE_FP_FOR_ARG): Reject decimal float modes.
13196 (function_arg_advance): Likewise.
13197 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13198 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13199 point types in AltiVec vectors.
13200 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13201 (rs6000_libcall_value): Likewise.
13203 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13205 * config/xtensa/ieee754-df.S: New file.
13206 * config/xtensa/ieee754-sf.S: New file.
13207 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13208 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13209 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13211 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13213 * config/sh/predicates.md (binary_float_operator,
13214 binary_logical_operator, commutative_float_operator,
13215 equality_comparison_operator, greater_comparison_operator,
13216 less_comparison_operator, logical_operator,
13217 noncommutative_float_operator, shift_operator,
13218 symbol_ref_operand, unary_float_operator): Remove redundant
13221 2006-01-09 Jeff Law <law@redhat.com>
13223 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13224 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13225 now unused arguments. Callers updated.
13226 (eliminate_redundant_computations): Remove now unused arguments,
13228 (local_fold): Remove, no longer used.
13229 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13231 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13232 (simplify_cond): New function.
13233 (forward_propagate_into_cond): Call simplify_cond.
13235 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13237 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13238 (*vec_extractv2di_1_sse): New.
13240 2006-01-09 Ben Elliston <bje@au.ibm.com>
13242 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13244 2006-01-08 Richard Guenther <rguenther@suse.de>
13246 * tree-ssa-structalias.c (get_constraint_for): Remove
13247 anyoffset argument.
13248 (get_constraint_for_component_ref): Likewise.
13249 (do_deref): Likewise.
13250 (get_constraint_for): Likewise.
13251 (do_structure_copy): Likewise.
13252 (handle_ptr_arith): Likewise.
13253 (find_func_aliases): Likewise. Remove unused need_anyoffset
13256 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13257 Kaz Kojima <kkojima@gcc.gnu.org>
13259 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13260 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13261 (EXTRA_CONSTRAINT_C16): Remove.
13262 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13263 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13264 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13265 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13266 constants of SHmedia. Handle nested constant expressions of
13268 (andcosts): Fix the costs for SHmedia constants.
13269 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13270 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13271 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13272 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13273 (movv4hi_i, movv2si_i): Likewise.
13274 (movsi_const): Adjust the second operand of ior so to match with
13275 the Csu constraint.
13276 (movdi_const, movdi_const_32bit): Likewise.
13277 (movdi_const_16bit+1): Don't sign-extend LOW.
13278 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13280 (*double_shori): Fix the split condition. Use GEN_INT instead
13281 of get_int_mode calls. Mask lower 16-bit of the argument of
13283 (sym2GOTPLT): Remove.
13284 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13286 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13287 instead of EXTRA_CONSTRAINT_C16.
13289 2006-01-07 Ian Lance Taylor <ian@airs.com>
13290 David Edelsohn <edelsohn@gnu.org>
13292 PR rtl-optimization/25662
13293 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13294 for constant operands instead of simplify_gen_binary.
13295 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13296 after trying simplify_binary_operation
13298 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13300 * tree.c (iterative_hash_expr): Hash decls based on UID.
13302 2006-01-06 Eric Christopher <echristo@apple.com>
13304 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13305 (TARGET_UNWIND_EMIT): Fix spelling.
13306 * target.h (gcc_target): Add except_table_label.
13307 * except.c (output_function_exception_table): Use.
13308 * varasm.c (default_emit_except_table_label): New.
13309 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13311 (asm_out): Add here.
13312 * output.h (default_emit_except_table_label): Prototype.
13313 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13314 * config/darwin.c (darwin_emit_except_table_label): Define.
13315 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13317 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13319 PR tree-optimization/18527
13320 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13321 number_of_iterations_special, number_of_iterations_exit):
13322 Move base and step of an iv to a single structure. Add
13323 no_overflow flag, and use it in # of iterations analysis.
13324 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13325 folded_casts argument.
13326 (simple_iv): Pass base and step in a structure. Set no_overflow
13328 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13329 Evaluate expensiveness of computing # of iterations instead of
13330 the final expression.
13331 * tree-scalar-evolution.h (affine_iv): New structure.
13332 (simple_iv): Declaration changed.
13333 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13334 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13335 find_givs_in_stmt): Changed due to simple_iv change.
13337 2006-01-06 Jeff Law <law@redhat.com>
13340 * tree-cfg.c (bsi_replace): Rename final argument from
13341 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13342 change (stmt -> orig_stmt).
13343 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13344 (bsi_remove): Add new argument. Remove EH information
13346 (verify_eh_throw_table_statements): New function.
13347 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13349 * tree-optimize.c (execute_free_cfg_annotations): Verify
13350 the EH throw statement table after removing annotations.
13351 * except.h (verify_eh_throw_table_statements): Prototype.
13352 * tree-flow.h (bsi_remove): Update prototype.
13353 * tree-vrp.c (remove_range_assertions): Add new argument to
13355 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13356 * tree-complex.c (expand_complex_div_wide): Likewise.
13357 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13358 * tree-tailcall.c (eliminate_tailcall): Likewise.
13359 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13360 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13361 * tree-nrv.c (tree_nrv): Likewise.
13362 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13363 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13364 (combine_blocks): Likewise.
13365 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13366 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13367 (cleanup_control_flow): Likewise.
13368 (remove_forwarder_block): Likewise.
13369 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13370 * tree-sra.c (sra_replace): Likewise.
13371 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13372 (forward_propagate_single_use_vars): Likewise.
13373 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13374 * tree-inline.c (expand_call_inline): Likewise.
13375 * tree-vect-transform.c (vect_transform_loop): Likewise.
13376 * tree-outof-ssa.c (rewrite_trees): Likewise.
13377 * tree-cfg.c (make_goto_expr_edges): Likewise.
13378 (cleanup_dead_labels): Likewise.
13379 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13380 (bsi_move_before, bsi_move_after): Likewise.
13381 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13382 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13384 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13387 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13389 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13390 on non gimple variables. Also add checks at the top for decls and
13392 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13394 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13395 and IMAGPART_EXPR for creating MUST_DEFs.
13396 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13397 and NAME_MEMORY_TAG separately from the DECLs.
13399 2006-01-06 Richard Guenther <rguenther@suse.de>
13401 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13402 annotation, if necessary.
13403 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13404 redundant calls to update_stmt.
13405 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13408 2006-01-05 Richard Henderson <rth@redhat.com>
13410 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13412 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13414 * c-typeck.c: Update copyright date.
13416 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13418 * c-typeck.c (build_c_cast): Always warn when casting
13419 from a pointer to an integer of different size, even if
13420 the node was constant.
13422 2006-01-05 Richard Guenther <rguenther@suse.de>
13424 PR tree-optimization/22555
13425 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13426 if one structure field is an array.
13427 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13428 operands even if we found a subvar, but ignore VOPs in this
13430 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13432 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13434 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13436 PR middle-end/24998
13437 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13439 2006-01-05 Richard Guenther <rguenther@suse.de>
13440 Diego Novillo <dnovillo@redhat.com>
13442 * tree-pass.h (TODO_remove_unused_locals): Define.
13443 * gimple-low.c (expand_var_p, remove_useless_vars,
13444 pass_remove_useless_vars): Remove. Update all users.
13445 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13446 (remove_unused_locals): New function.
13447 * tree-flow.h (remove_unused_locals): Declare.
13448 * passes.c (execute_todo): Call remove_unused_locals if
13449 TODO_remove_unused_locals is set.
13450 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13451 * tree-ssa-dce.c (pass_dce): Likewise.
13452 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13454 2006-01-05 Richard Guenther <rguenther@suse.de>
13456 * tree-flow.h (struct fieldoff): Decompose field to
13457 type, size and decl.
13458 * tree-ssa-alias.c (create_sft): Take type as parameter.
13459 (create_overlap_variables_for): Store type, size and decl
13460 in the fieldoff structure.
13461 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13462 of struct fieldoff.
13463 (push_fields_onto_fieldstack): Likewise.
13464 (create_variable_info_for): Likewise. Use offset for the
13465 SFT name if the decl is not available.
13467 2006-01-04 Paul Brook <paul@codesourcery.com>
13469 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13471 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13473 * lambda-code.c (can_put_in_inner_loop): Relax
13475 (can_put_after_inner_loop): New function.
13476 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13477 (perfect_nestify): Change to make copies and modify uses.
13479 2006-01-04 Richard Henderson <rth@redhat.com>
13481 Merge from gomp branch:
13482 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13483 via integer constant.
13484 (pragma_lex): Remove.
13485 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13486 rather than parsing it.
13487 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13488 handle_pragma_extern_prefix): Add %< %> quotes.
13489 (registered_pragmas): New.
13490 (c_register_pragma_1): New.
13491 (c_register_pragma): Use it.
13492 (c_register_pragma_with_expansion): Likewise.
13493 (c_invoke_pragma_handler): New.
13494 (init_pragma): Use cpp_register_deferred_pragma directly for
13496 * c-pragma.h (enum pragma_kind): New.
13497 (pragma_handler): New.
13498 (c_invoke_pragma_handler): Declare.
13499 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13501 * c-common.h (c_common_pch_pragma): Update decl.
13502 * Makefile.in (c-parser.o): Update dependencies.
13503 (GTFILES): Add c-pragma.h.
13504 * c-parser.c (struct c_token): Add pragma_kind.
13505 (struct c_parser): Add in_pragma.
13506 (c_lex_one_token): Always initialize keyword and pragma_kind.
13507 Extract data for CPP_PRAGMA.
13508 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13509 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13510 Don't allow CPP_PRAGMA_EOL if in_pragma.
13511 (c_parser_consume_pragma): New.
13512 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13513 (c_parser_skip_to_end_of_parameter): Likewise.
13514 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13515 (c_parser_skip_to_pragma_eol): New.
13516 (c_parser_external_declaration): Handle CPP_PRAGMA.
13517 (c_parser_compound_statement_nostart): Likewise.
13518 (c_parser_statement_after_labels): Likewise.
13519 (c_parser_pragma): New.
13520 (pragma_lex): Likewise.
13521 (c_parser_pragma_pch_preprocess): New.
13522 (c_parser_new): Merge into ...
13523 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13525 2006-01-04 Jeff Law <law@redhat.com>
13528 * tree-cfg.c (bsi_replace): Remove the original statement
13529 from the EH throw statement table.
13531 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13533 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13534 make the prototype extern "C" and add throw ().
13537 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13538 and pos non-negative and pos + len <= 32.
13539 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13540 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13541 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13544 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13545 as well as sizes not multiple of component size.
13548 * function.c (instantiate_expr): New function.
13549 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13550 walk its DECL_VALUE_EXPR with instantiate_expr.
13552 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13553 DW_OP_deref{,_size} if address isn't going to be added.
13555 2006-01-04 Ben Elliston <bje@au.ibm.com>
13557 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13558 * config/fp-bit.c: Likewise.
13560 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13562 * dominance.c: Add comment about why we use DFS numbering
13565 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13566 Richard Henderson <rth@redhat.com>
13568 Merge from gomp-branch:
13569 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13570 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13572 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13574 PR rtl-optimization/25578
13575 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13576 pass a parameter to simplify_shift_const if changing ASHIFTRT
13579 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13581 * builtins.c (get_builtin_sync_mem): New function.
13582 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13583 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13584 Call get_builtin_sync_mem to generate mem rtx.
13586 2006-01-03 Richard Guenther <rguenther@suse.de>
13589 * stmt.c (add_case_node): Make sure to clear overflow flags
13592 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13594 Merge from gomp-branch.
13595 * config/sparc/sync.md: New file.
13596 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13597 UNSPECV_LDSTUB): New constants.
13598 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13599 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13600 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13603 2006-01-03 Roger Sayle <roger@eyesopen.com>
13605 * combine.c (reg_subword_p): New predicate to test whether the
13606 destination of a set refers to a subword/piece of a register.
13607 (try_combine): Generalize the code to merge the setting of a
13608 pseudo to a constant followed by a set of a subword of that
13609 register to a constant.
13611 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13613 * basic-block.h (control_flow_graph): Change the type of
13614 x_label_to_block_map to VEC(basic_block,gc) *.
13615 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13616 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13618 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13619 VEC(basic_block,heap) *.
13620 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13621 ssa_prop_fini): Adjust the uses of cfg_blocks.
13623 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13625 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13627 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13628 hashing trees instead of a pointer hash.
13629 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13630 compare for MEM_EXPR.
13632 PR rtl-optimization/25130
13633 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13634 when comparing MEMs for GCSE
13636 2006-01-03 Ben Elliston <bje@au.ibm.com>
13638 * targhooks.h (default_decimal_float_supported_p): Declare.
13639 * targhooks.c (default_decimal_float_supported_p): Define.
13640 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13641 `default_decimal_float_supported_p'.
13642 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13644 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13646 * combine.c (apply_distributive_law <SUBREG>): Check
13647 TRULY_NOOP_TRUNCATION.
13649 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13651 * dwarf2out.c (have_switched_text_section): Delete.
13652 (have_multiple_function_sections): New.
13653 (have_location_lists): Make 'bool'.
13654 (add_AT_loc_list): Use 'true' not '1'.
13655 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13656 (output_loc_list): Use have_multiple_function_sections.
13657 (output_ranges): Likewise.
13658 (dwarf2out_begin_function): Set have_multiple_function_sections if
13660 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13661 Check function_section rather than DECL_SECTION_NAME.
13662 (dwarf2out_finish): Use have_multiple_function_sections.
13663 Don't clear have_location_lists.
13665 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13666 Jan Hubicka <jh@suse.cz>
13668 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13669 case of conditional jump jumping to the next instruction.
13670 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13671 cases of conditional jump jumping to the next instruction.
13673 2006-01-02 Jan Hubicka <jh@suse.cz>
13675 * i386.c (*_cost): Add COSTS_N_INSNS.
13676 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13678 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13681 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13683 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13685 * config/arm/arm.c (all_fpus): Fix comment typo.
13686 * config/darwin.c: Likewise.
13687 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13688 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13689 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13691 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13693 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13694 (rs6000_split_compare_and_swapqhi): New.
13695 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13696 (sync_compare_and_swapqhi_internal): New.
13697 * config/rs6000/rs6000-protos.h: Declare.