1 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
6 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
8 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10 2009-03-04 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/39362
13 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
14 that occur in abnormal PHIs should be varying.
16 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
18 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
20 (simple_iv): Take loop as an argument instead of statement.
21 * tree-scalar-evolution.h (simple_iv): Declaration changed.
22 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
24 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
26 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
27 * matrix-reorg.c (analyze_transpose): Ditto.
28 * tree-data-ref.c (dr_analyze_innermost): Ditto.
29 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
30 * tree-predcom.c (ref_at_iteration): Ditto.
31 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
33 2009-03-04 Richard Guenther <rguenther@suse.de>
35 PR tree-optimization/39358
36 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
37 escaped_id and callused_id.
38 (solve_graph): Likewise.
40 2009-03-04 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/39339
43 * tree-sra.c (try_instantiate_multiple_fields): Make it
44 no longer ICE on the above.
46 2009-03-03 Joseph Myers <joseph@codesourcery.com>
48 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
49 that fits within Pmode.
51 2009-03-03 Steve Ellcey <sje@cup.hp.com>
54 * tm.texi (LIBCALL_VALUE): Update description.
56 2009-03-03 Steve Ellcey <sje@cup.hp.com>
59 * doc/extend.texi (section): Update description.
61 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
64 * tree-inline.c (remapped_type): New.
65 (can_be_nonlocal): Call remapped_type instead of remap_type.
67 2009-03-03 Jakub Jelinek <jakub@redhat.com>
70 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
71 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
73 2009-03-03 Richard Guenther <rguenther@suse.de>
76 * tree.c (tree_nonartificial_location): New function.
77 * tree.h (tree_nonartificial_location): Declare.
78 * builtins.c (expand_builtin_memory_chk): Provide location
79 of the call location for artificial function pieces.
80 (maybe_emit_chk_warning): Likewise.
81 (maybe_emit_sprintf_chk_warning): Likewise.
82 (maybe_emit_free_warning): Likewise.
83 * expr.c (expand_expr_real_1): Likewise.
85 2009-03-03 Jakub Jelinek <jakub@redhat.com>
87 PR tree-optimization/39343
88 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
89 COMPONENT_REF t has ARRAY_TYPE.
91 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
94 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
95 when the type precision of the induction variable should be
96 larger than the type precision of nit.
97 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
98 * graphite.c (graphite_loop_normal_form): Same.
99 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
101 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
103 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
104 (*call_1_rex64_ms_sysv): Use named constants instead of magic
105 numbers to describe clobbbered registers.
106 (*call_value_0_rex64_ms_sysv): Ditto.
107 * config/i386/mmx.md (emms): Ditto.
110 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
112 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
115 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
117 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
118 (spu_section_type_flags): New function.
120 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
123 reg_class_contents of FLOAT_REGS into a temporary.
125 2009-03-02 Richard Guenther <rguenther@suse.de>
126 Ira Rosen <irar@il.ibm.com>
128 PR tree-optimization/39318
129 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
130 information to the vectorized statement.
132 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
134 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
135 variable. Use defined names instead of magic constants for REX SSE
138 2009-03-01 Richard Guenther <rguenther@suse.de>
140 PR tree-optimization/39331
141 * omp-low.c (lower_send_shared_vars): Do not receive new
142 values for the reference of DECL_BY_REFERENCE parms or results.
144 2009-03-01 Jan Hubicka <jh@suse.cz>
147 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
148 BLOCK_NONLOCALIZED_VAR): New macros.
149 (tree_block): Add nonlocalized_vars.
150 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
151 gen_decl_die): Add origin argument. Allow generation of die with
153 (gen_member_die, gen_type_die_with_usage, force_decl_die,
154 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
156 (gen_block_die): Fix checking for unused blocks.
157 (process_scope_var): Break out from .... ; work with origins only.
158 (decls_for_scope) ... here; process nonlocalized list.
159 (dwarf2out_ignore_block): Look for nonlocalized vars.
160 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
162 (dump_scope_block): Dump them.
163 * tree-inline.c (remap_decls): Handle nonlocalized vars.
164 (remap_block): Likewise.
165 (can_be_nonlocal): New predicate.
166 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
168 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
170 * configure: Regenerate.
172 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
174 * optc-gen.awk: No need to duplicate option flags twice.
175 Reuse help texts for duplicate options which do not have
178 * gcc.c (display_help): Document --version.
180 * gcc.c (main): If print_help_list and verbose_flag, ensure
181 driver output comes before subprocess output.
183 * optc-gen.awk: Assign all remaining fields to help string,
184 space-separated, for multi-line help in *.opt.
186 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
187 -Wno-pedantic-ms-format is for MinGW targets only.
189 * doc/options.texi (Option file format): Fix bad indentation,
190 restoring dropped sentence.
192 2009-02-28 Jan Hubicka <jh@suse.cz>
194 * tree-inline.c (tree_function_versioning): Output debug info.
196 2009-02-28 Jan Hubicka <jh@suse.cz>
199 * tree-inline.c (setup_one_parameter): Do not copy propagate
200 arguments when not optimizing.
202 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
205 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
206 (avx_addsubv4df3): Likewise.
207 (*avx_addsubv4sf3): Likewise.
208 (sse3_addsubv4sf3): Likewise.
209 (*avx_addsubv2df3): Likewise.
210 (sse3_addsubv2df3): Likewise.
211 (avx_unpckhps256): Correct item selectors.
212 (avx_unpcklps256): Likewise.
213 (avx_unpckhpd256): Likewise.
214 (avx_unpcklpd256): Likewise.
216 2009-02-28 Jan Hubicka <jh@suse.cz>
218 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
220 (copy_arguments_for_versioning): If var is declared don't declare it.
221 (tree_function_versioning): First setup substitutions and then copy
224 2009-02-27 Jan Hubicka <jh@suse.cz>
227 * cgraph.h (varpool_output_debug_info): Remove.
228 * cgraphunit.c (varpool_output_debug_info): Remove.
229 * dwarf2out.c (deferred_locations_struct): New struct
230 (deferred_locations): New type.
231 (deferred_locations_list): New static var.
232 (deffer_location): New function.
233 (gen_variable_die): Use it.
234 (decls_for_scope): Output info on local static vars.
235 (dwarf2out_finish): Process deferred locations.
236 * varpool.c (varpool_output_debug_info): Remove.
238 2009-02-27 Jan Hubicka <jh@suse.cz>
241 * tree.h (TREE_PROTECTED): Fix comment.
242 (BLOCK_HANDLER_BLOCK): Remove.
243 (struct tree_block): Remove handler_block add body_block.
244 (inlined_function_outer_scope_p): New.
245 (is_body_block): Remove.
246 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
247 * dwarf2out.c (is_inlined_entry_point): Remove.
248 (add_high_low_attributes): Use inlined_function_outer_scope_p.
249 (gen_block_die): Use is_inlined_entry_point check. Remove body block
251 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
252 * gimplify.c (gimplify_expr): Gimplify body blocks.
253 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
254 block with multiple subblocks.
255 (dump_scope_block): Prettier output; dump more flags and info.
256 (dump_scope_blocks): New.
257 (remove_unused_locals): Use dump_scope_blocks.
258 * tree-flow.h (dump_scope_blocks): Declare.
259 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
260 * stmt.c (is_body_block): Remove.
261 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
262 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
264 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
267 * graphite.c (graphite_loop_normal_form): Do not call
268 number_of_iterations_exit from a gcc_assert.
270 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
272 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
273 jumps if COND is NULL.
274 (find_cond_jump): New function.
275 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
276 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
278 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
280 * config/alpha/alpha.h (alpha_expand_mov): Return false if
281 force_const_mem returns NULL_RTX.
283 2009-02-26 Jan Hubicka <jh@suse.cz>
286 * cgraph.h (varpool_output_debug_info): Remove.
287 * cgraphunit.c (varpool_output_debug_info): Remove.
288 * dwarf2out.c (deferred_locations_struct): New struct
289 (deferred_locations): New type.
290 (deferred_locations_list): New static var.
291 (deffer_location): New function.
292 (gen_variable_die): Use it.
293 (decls_for_scope): Output info on local static vars.
294 (dwarf2out_finish): Process deferred locations.
295 * varpool.c (varpool_output_debug_info): Remove.
297 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
299 PR rtl-optimization/39241
300 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
301 to subreg_offset_representable_p.
303 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
305 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
306 execute function prototype. Get f and nregs from max_reg_num
307 and get_insns. Remove the first backward pass as it's dead,
308 guard the forward pass by flag_expensive_optimizations.
309 (rest_of_handle_regmove): Delete.
310 (pass_regmove): Replace it with regmove_optimize.
312 2009-02-25 Martin Jambor <mjambor@suse.cz>
314 PR tree-optimization/39259
315 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
316 alls_alloca function flags.
317 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
320 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
322 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
323 flags_set_1_rtx, flags_set_1_set): Delete.
324 (regmove_optimize): Do not call mark_flags_life_zones.
326 2009-02-24 Julian Brown <julian@codesourcery.com>
329 * config/arm/arm.c (require_pic_register): Only set
330 cfun->machine->pic_reg once per function.
332 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
334 * doc/invoke.texi (Link Options): Document an easier way to pass
335 options that take arguments to the GNU linker using -Xlinker and -Wl.
337 2009-02-24 Steve Ellcey <sje@cup.hp.com>
340 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
342 2009-02-24 Richard Guenther <rguenther@suse.de>
345 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
347 2009-02-24 Richard Guenther <rguenther@suse.de>
348 Zdenek Dvorak <ook@ucw.cz>
350 PR tree-optimization/39233
351 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
352 from converting them to a generic type.
354 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
356 PR tree-optimization/39260
357 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
358 contains a condition with a real type.
359 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
361 2009-02-23 Jason Merrill <jason@redhat.com>
364 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
365 narrowing_initializer_constant_valid_p.
366 (narrowing_initializer_constant_valid_p): Don't return
367 null_pointer_node for adding a pointer to itself.
369 2009-02-23 Jan Hubicka <jh@suse.cz>
372 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
375 2009-02-23 Jan Hubicka <jh@suse.cz>
377 PR tree-optimization/37709
378 * tree.c (block_ultimate_origin): Move here from dwarf2out.
379 * tree.h (block_ultimate_origin): Declare.
380 * dwarf2out.c (block_ultimate_origin): Move to tree.c
381 * tree-ssa-live.c (remove_unused_scope_block_p):
382 Eliminate blocks containig no instructions nor live variables nor
384 (dump_scope_block): New function.
385 (remove_unused_locals): Enable removal of dead blocks by default;
386 enable dumping at TDF_DETAILS.
388 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
390 * config/i386/i386.c (classify_argument): Don't allow COImode
392 (function_arg_advance_32): Don't allow OImode.
393 (function_arg_32): Likewise.
394 (function_value_32): Likewise.
395 (return_in_memory_32): Likewise.
396 (function_arg_64): Remove OImode comment.
398 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
401 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
402 ix86_expand_vector_set for V4DImode in 64bit mode only.
403 (ix86_expand_vector_init_one_var): Likewise.
405 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
407 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
409 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
412 * loop-iv.c: Revert last change.
413 * emit-rtl.c: Likewise.
415 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
418 * config/i386/i386.c (type_natural_mode): Remove an extra
419 space in the warning message.
420 (function_value_32): Handle 32-byte vector modes.
421 (return_in_memory_32): Likewise.
423 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
425 * loop-iv.c (truncate_value): New function.
426 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
428 (lowpart_subreg): Move to...
429 * emit-rtl.c: ...here.
431 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
433 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
434 accidental and undocumented change at revision 140860.
436 2009-02-21 Joseph Myers <joseph@codesourcery.com>
438 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
439 take gimple_seq * arguments.
440 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
441 types_compatible_p langhook.
443 2009-02-20 Mark Mitchell <mark@codesourcery.com>
444 Joseph Myers <joseph@codesourcery.com>
446 * config/arm/arm.c (arm_builtin_va_list): New function.
447 (arm_expand_builtin_va_start): Likewise.
448 (arm_gimplify_va_arg_expr): Likewise.
449 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
450 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
451 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
452 (va_list_type): New variable.
453 (arm_mangle_type): Mangle va_list_type appropriately.
455 2009-02-20 Jakub Jelinek <jakub@redhat.com>
458 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
459 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
460 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
461 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
462 parameter to 1000 for -O1 by default.
463 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
465 * loop-invariant.c: Include params.h.
466 (move_loop_invariants): Don't call move_single_loop_invariants on
469 2009-02-20 Jaka Mocnik <jaka@xlab.si>
471 * calls.c (emit_library_call_value_1): Use slot_offset instead of
472 offset when calculating bounds for indexing stack_usage_map. Fixes
473 a buffer overflow with certain target setups.
475 2009-02-20 Jakub Jelinek <jakub@redhat.com>
478 * calls.c (expand_call): Clear try_tail_call if caller and callee
479 disagree in promotion of function return value.
481 2009-02-19 Jakub Jelinek <jakub@redhat.com>
484 * c-common.c (c_determine_visibility): If visibility changed and
485 DECL_RTL has been already set, call make_decl_rtl to update symbol
488 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
491 * varasm.c (assemble_variable): Don't check DECL_NAME when
492 globalizing a variable.
494 2009-02-19 Joseph Myers <joseph@codesourcery.com>
497 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
498 expression before any __builtin_trap call.
499 * c-typeck.c (build_function_call): Convert and check function
500 arguments before generating a call to a trap. Evaluate the
501 function arguments before the trap.
503 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
506 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
507 (UNSPEC_FXAM_MEM): New unspec.
508 (fxam<mode>2_i387_with_temp): New insn and split pattern.
509 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
510 memory using fxam<mode>2_i387_with_temp to remove excess precision.
512 2009-02-19 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/39207
515 PR tree-optimization/39074
516 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
517 storedanything_tree): New.
518 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
519 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
520 (build_succ_graph): Add edges from STOREDANYTHING to all
522 (init_base_vars): Initialize STOREDANYTHING.
523 (compute_points_to_sets): Free substitution info after
524 building the succ graph.
525 (ipa_pta_execute): Likewise.
527 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
529 (do_ds_constraint): Do not add to special var or non-pointer
531 (type_could_have_pointers): Split out from ...
532 (could_have_pointers): ... here. For arrays use the element type.
533 (create_variable_info_for): Initialize may_have_pointers.
534 (new_var_info): Likewise.
535 (handle_lhs_call): Make the HEAP variable unknown-sized.
536 (intra_create_variable_infos): Use a type with pointers for
537 PARM_NOALIAS, make it unknown-sized.
539 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
542 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
544 2009-02-18 Jason Merrill <jason@redhat.com>
547 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
548 value if DECL_EXTERNAL.
549 * tree-sra.c (sra_walk_gimple_assign): Likewise.
550 * target.h (gcc_target::binds_local_p): Clarify "module".
551 * tree.h (TREE_PUBLIC): Clarify "module".
553 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
556 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
557 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
559 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
562 * c.opt (Wabi): Support C and ObjC.
565 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
567 * config/i386/i386.c (classify_argument): Warn once about the ABI
568 change when passing union with long double.
570 * doc/invoke.texi: Update -Wabi for warning psABI changes.
572 2009-02-18 Joseph Myers <joseph@codesourcery.com>
575 * c-parser.c (c_parser_compound_statement): Always enter and leave
578 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
581 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
583 2009-02-18 Jakub Jelinek <jakub@redhat.com>
585 PR tree-optimization/36922
586 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
587 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
590 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
592 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
595 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
597 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
599 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
601 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
604 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
605 Richard Sandiford <rdsandiford@googlemail.com>
607 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
608 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
609 (loongson_biadd): ...this.
611 2009-02-17 Richard Guenther <rguenther@suse.de>
613 PR tree-optimization/39202
614 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
615 a var make sure to follow existing collapses.
617 2009-02-17 Richard Guenther <rguenther@suse.de>
620 * langhooks.c (lhd_print_error_function): Check for NULL block.
622 2009-02-17 Richard Guenther <rguenther@suse.de>
624 PR tree-optimization/39204
625 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
628 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
630 * config/soft-fp/double.h: Update from glibc CVS.
632 2009-02-17 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/39207
635 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
636 strict-aliasing warnings for pointers pointing to NULL.
638 2009-02-16 Joseph Myers <joseph@codesourcery.com>
641 * c-parser.c (c_parser_braced_init): Call pop_init_level when
642 skipping until next close brace.
644 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
647 * config/i386/i386.c (ix86_expand_push): Set memory alignment
648 to function argument boundary.
650 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
652 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
653 in the lea_add. Reload eventually constraints it properly.
654 * config/picochip/constraints.md : Remove the target constraint
655 "b", since it is not needed anymore.
657 2009-02-16 Jakub Jelinek <jakub@redhat.com>
659 * gthr-dce.h: Uglify function parameter and local variable names.
660 * gthr-gnat.h: Likewise.
661 * gthr-mipssde.h: Likewise.
662 * gthr-nks.h: Likewise.
663 * gthr-posix95.h: Likewise.
664 * gthr-posix.h: Likewise.
665 * gthr-rtems.h: Likewise.
666 * gthr-single.h: Likewise.
667 * gthr-solaris.h: Likewise.
668 * gthr-tpf.h: Likewise.
669 * gthr-vxworks.h: Likewise.
670 * gthr-win32.h: Likewise.
672 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
675 * config/i386/i386.md: Restrict the new peephole2 to move
676 between MMX/SSE registers.
678 2009-02-15 Richard Guenther <rguenther@suse.de>
681 2009-02-13 Richard Guenther <rguenther@suse.de>
683 * configure.ac: Enable LFS.
684 * configure: Re-generate.
685 * config.in: Likewise.
687 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
689 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
690 spu_srqwbyte, spu_srqwbytebc): Define.
691 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
692 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
693 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
694 "shrqby_<mode>"): New insn-and-split patterns.
695 * config/spu/spu.c (expand_builtin_args): Determine and return
696 number of operands using spu_builtin_description data.
697 (spu_expand_builtin_1): Use it.
699 2009-02-13 Steve Ellcey <sje@cup.hp.com>
702 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
705 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
708 * config/i386/i386.c (override_options): Correct warning
709 messages for -malign-loops, -malign-jumps and -malign-functions.
711 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
714 * config/i386/i386.md: Restrict the new peephole2 to move
715 between the general purpose registers.
717 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
720 * config/i386/i386.c (type_natural_mode): Add a new argument.
721 Return the original mode and warn ABI change if vector size is 32byte.
722 (function_arg_advance): Updated.
723 (function_arg): Likewise.
724 (ix86_function_value): Likewise.
725 (ix86_return_in_memory): Likewise.
726 (ix86_sol10_return_in_memory): Likewise.
727 (ix86_gimplify_va_arg): Likewise.
728 (function_arg_32): Don't warn ABX ABI change here.
729 (function_arg_64): Likewise.
731 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
733 * loop-iv.c (implies_p): In the final case, test that operands 0
734 of the two comparisons match.
736 * config/bfin/bfin.c (find_prev_insn_start): New function.
737 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
738 (find_next_insn_start): Move.
740 2009-02-13 Richard Guenther <rguenther@suse.de>
742 * configure.ac: Enable LFS.
743 * configure: Re-generate.
744 * config.in: Likewise.
746 2009-02-13 Joseph Myers <joseph@codesourcery.com>
749 * c-parser.c (c_parser_parms_list_declarator): Discard pending
750 sizes on syntax error after some arguments have been parsed.
752 2009-02-12 Jakub Jelinek <jakub@redhat.com>
754 * doc/invoke.texi (-fira): Remove.
756 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
758 * caller-save.c: Replace regclass.c with reginfo.c in comments.
762 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
764 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
765 (umul_ppmm): Likewise.
766 (count_leading_zeros): Likewise.
767 (count_trailing_zeros): Likewise.
768 (UMUL_TIME): Likewise.
770 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
772 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
773 soft-fp/t-softfp to tmake_file.
775 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
776 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
777 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
778 IA64_BUILTIN_INFQ]: New.
779 (ia64_init_builtins): Initialize __builtin_infq,
780 __builtin_fabsq and __builtin_copysignq if not HPUX.
781 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
782 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
784 * config/ia64/lib1funcs.asm (__divtf3): Define only if
786 (__fixtfti): Likewise.
787 (__fixunstfti): Likewise.
788 (__floattitf): Likewise.
790 * config/ia64/libgcc-glibc.ver: New.
791 * config/ia64/t-fprules-softfp: Likewise.
792 * config/ia64/sfp-machine.h: Likewise.
794 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
795 (LIBGCC2_TF_CEXT): Likewise.
797 (TARGET_INIT_LIBFUNCS): Likewise.
799 * config/ia64/t-glibc (SHLINB_MAPFILES):
800 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
802 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
804 * config/i386/i386.c (construct_container): Rewrite processing
805 BLKmode with X86_64_SSE_CLASS.
807 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
810 * config/i386/i386.md: Replace simplify_replace_rtx with
811 replace_rtx in the new peephole2.
813 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
815 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
816 loop unrolling do not happen at -O2.
818 2009-02-12 Michael Matz <matz@suse.de>
820 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
822 2009-02-12 Jakub Jelinek <jakub@redhat.com>
824 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
827 2009-02-12 Ben Elliston <bje@au.ibm.com>
829 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
830 patterns when updating the back chain. Missed in the 2009-02-10
833 2009-02-11 Janis Johnson <janis187@us.ibm.com>
835 * doc/extend.texi (Decimal Floating Types): Update identifier of
836 draft TR and list of missing support.
838 2009-02-11 Jakub Jelinek <jakub@redhat.com>
841 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
842 bit to variable length decl's flags, add it also to its
843 pointer replacement variable.
845 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
846 Jakub Jelinek <jakub@redhat.com>
849 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
850 (memory_blockage): New expander.
851 (*memory_blockage): New insn pattern.
852 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
853 instead of general blockage at the end of function prologue when
854 frame pointer is used to access red zone area. Do not emit blockage
855 when profiling, it is emitted in generic code.
856 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
857 function epilogue when frame pointer is used to access red zone area.
859 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
862 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
863 by arithmetic with memory operands.
864 * config/i386/predicates.md (commutative_operator): New.
866 2009-02-10 Janis Johnson <janis187@us.ibm.com>
868 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
871 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
873 * alias.h (record_alias_subset): Declare.
874 * alias.c (record_alias_subset): Make global.
876 2009-02-10 Nick Clifton <nickc@redhat.com>
878 * tree-parloops.c: Change license to GPLv3.
879 * ipa-struct-reorg.c: Change license to GPLv3.
880 * ipa-struct-reorg.h: Change license to GPLv3.
882 2009-02-10 Steve Ellcey <sje@cup.hp.com>
885 * c-decl.c (start_struct): Return NULL on error.
887 2009-02-10 Jakub Jelinek <jakub@redhat.com>
890 * cfgloopmanip.c (remove_path): Call remove_bbs after
891 cancel_loop_tree, not before it.
894 * function.h (struct function): Add has_local_explicit_reg_vars bit.
895 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
897 * tree-ssa-live.c (remove_unused_locals): Recompute
898 cfun->has_local_explicit_reg_vars.
899 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
900 copies or clearings if cfun->has_local_explicit_reg_vars.
902 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
905 * config/i386/i386.c (expand_prologue): Emit blockage at the end
906 of function prologue when frame pointer is used to access
909 2009-02-10 Richard Guenther <rguenther@suse.de>
912 * gimplify.c (gimple_regimplify_operands): Always look if
913 we need to create a temporary.
915 2009-02-10 Richard Guenther <rguenther@suse.de>
917 PR tree-optimization/39132
918 * tree-loop-distribution.c (todo): New global var.
919 (generate_memset_zero): Trigger TODO_rebuild_alias.
920 (tree_loop_distribution): Return todo.
922 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
925 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
926 (x86_64_reg_class_name): Removed.
927 (classify_argument): Return 0 if bytes > 32. Return 0 if the
928 first one isn't X86_64_SSE_CLASS or any other ones aren't
929 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
930 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
931 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
932 and 3 X86_64_SSEUP_CLASS.
933 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
934 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
936 2009-02-10 Ben Elliston <bje@au.ibm.com>
938 * config/rs6000/rs6000.md (allocate_stack): Always use an update
939 form instruction to update the stack back chain word, even if the
940 user has disabled the generation of update instructions.
941 (movdi_<mode>_update_stack): New.
942 (movsi_update_stack): Likewise.
943 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
944 always use an update form instruction to update the stack back
947 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
950 * graphite.c (if_region_set_false_region): After moving a region in
951 the false branch of a condition, remove the empty dummy basic block.
952 (gloog): Remove wrong fix for PR38953.
954 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
956 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
957 generation due to implicit sign extension.
959 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
962 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
963 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
965 2009-02-09 Richard Guenther <rguenther@suse.de>
968 * convert.c (convert_to_real): Disable (float)fn((double)x)
969 to fnf(x) conversion if errno differences may occur and
972 2009-02-07 Anatoly Sokolov <aesok@post.ru>
974 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
975 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
976 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
978 2009-02-06 Joseph Myers <joseph@codesourcery.com>
981 * c-common.c (handle_alias_attribute): Disallow attribute for
982 anything not a FUNCTION_DECL or VAR_DECL.
984 2009-02-06 Janis Johnson <janis187@us.ibm.com>
987 * real.c (do_compare): Special-case compare of zero against
990 2009-02-06 Joseph Myers <joseph@codesourcery.com>
993 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
994 as indicating flexible array members unless the field itself is
995 being declarared as the incomplete array.
997 2009-02-06 Jan Hubicka <jh@suse.cz>
999 PR tree-optimization/38844
1000 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1003 2009-02-06 Richard Guenther <rguenther@suse.de>
1006 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1007 fork because we may expand it as __gcov_fork.
1009 2009-02-06 Nick Clifton <nickc@redhat.com>
1011 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1013 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1015 PR tree-optimization/35659
1016 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1017 vn_phi_eq): Shortcut if hashcode does not match.
1018 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1020 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1021 and avoid iterative_hash_expr.
1022 (FOR_EACH_VALUE_ID_IN_SET): New.
1023 (value_id_compare): Remove.
1024 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1025 sort expressions by value id.
1027 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1030 * config/sh/predicates.md (general_movsrc_operand): Don't check
1031 the subreg of system registers here.
1033 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1036 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1039 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1041 PR rtl-optimization/39110
1042 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1043 addresses, not aligned ones.
1045 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1046 Richard Guenther <rguenther@suse.de>
1048 PR tree-optimization/39100
1049 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1050 comment says and add edges.
1052 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1055 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1056 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1058 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1060 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1061 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1062 register_bb_in_sese, new_sese, free_sese): Moved.
1063 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1064 outermost_loop_in_scop, build_scop_iteration_domain,
1065 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1066 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1067 Use loop_in_sese_p instead of loop_in_scop_p.
1068 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1069 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1070 (scopdet_basic_block_info): Fix bug in scop detection.
1071 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1072 eq_loop_to_cloog_loop): Remove.
1073 (nb_loops_around_loop_in_scop, nb_loop
1074 ref_nb_loops): Moved here...
1075 * graphite.h (ref_nb_loops): ... from here.
1076 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1077 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1078 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1079 * testsuite/gcc.dg/graphite/scop-19.c: New
1081 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1082 Hans-Peter Nilsson <hp@axis.com>
1084 PR rtl-optimization/37889
1085 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1086 Move offset handling from PLUS to before the switch. Use new
1087 arguments when considering SYMBOL_REFs too.
1088 (rtx_addr_can_trap_p): Pass dummy offset and size.
1089 (enum may_trap_p_flags): Remove.
1090 (may_trap_p_1): Pass size from MEM_SIZE.
1092 PR rtl-optimization/38921
1093 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1094 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1095 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1096 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1098 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1100 AVX Programming Reference (January, 2009)
1101 * config/i386/sse.md (*vpclmulqdq): New.
1103 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1105 PR tree-optimization/38977
1106 PR gcov-profile/38292
1107 * calls.c (special_function_p): Disregard __builtin_ prefix.
1109 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1111 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1112 non-indexable addresses even before reload.
1114 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1117 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1118 as having variable size. Do not give an error for unnamed
1119 parameters with [*] declarators. Give a warning for type names
1120 with [*] declarators and mark them as variable size.
1121 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1122 for sizeof applied to [*] type names.
1124 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1127 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1129 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1131 * gcc.c (process_command): Update copyright notice dates.
1132 * gcov.c (print_version): Likewise.
1133 * gcov-dump.c (print_version): Likewise.
1134 * mips-tfile.c (main): Likewise.
1135 * mips-tdump.c (main): Likewise.
1137 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1140 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1141 for composite type involving a zero-length array type.
1143 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1146 * function.c (match_asm_constraints_1): Skip over
1147 initial optional % in the constraint.
1150 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1151 supported, don't accept FIXED_CSTs.
1152 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1153 and _Sat is used without _Fract/_Accum. Set specs->type to
1154 integer_type_node for cts_fract/cts_accum if fixed point is not
1157 2009-02-02 Catherine Moore <clm@codesourcery.com>
1159 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1161 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1163 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1164 (ABI_HAS_64BIT_SYMBOLS): Use it.
1165 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1167 2009-02-02 Paul Brook <paul@codesourcery.com>
1169 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1171 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1174 * recog.h (asm_operand_ok): Add constraints argument.
1175 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1176 recurse on matching constraint.
1177 (check_asm_operands): Pass constraints as 3rd argument to
1178 asm_operand_ok. Don't look up matching constraint here.
1179 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1182 2009-02-02 Ben Elliston <bje@au.ibm.com>
1184 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1185 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1187 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1189 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1190 information. Remove some obsolete information. Reorganize.
1192 * config/pa/fptr.c: Revert license to GPL 2.
1193 * config/pa/milli64.S: Likewise.
1195 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1198 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1199 LIBRARY name in, instead of hard-coding it.
1200 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1201 extra target make frag to tmake_files according to EH model.
1202 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1203 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1204 frags that define makefile variable EH_MODEL appropriately.
1205 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1206 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1207 to "-sjlj" according to type of EH configured.
1208 (LIBGCC_SONAME): Concatenate it to shared library base name.
1209 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1210 to "_sjlj" according to type of EH configured.
1211 (LIBGCC_SONAME): Concatenate it to shared library base name.
1212 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1213 (SHLIB_LINK): Add missing semicolon to if-else construct.
1214 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1215 string value of "pe_dll" command-line option.
1216 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1217 (SHLIB_SONAME): Use it when overriding t-cygming default.
1218 (SHLIB_IMPLIB): Override t-cygming default.
1219 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1220 string value of "pe_dll" command-line option.
1222 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1225 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1226 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1228 2009-01-31 Richard Guenther <rguenther@suse.de>
1230 PR tree-optimization/38937
1231 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1232 computing the transitive closure.
1234 2009-01-30 Richard Guenther <rguenther@suse.de>
1236 PR tree-optimization/39041
1237 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1238 Propagate variable indices only if the types match for this stmt.
1240 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1243 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1244 inline but never defined.
1246 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1248 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1249 (*insv_h_di_reg_extimm): New insn.
1250 (*insv_l<mode>_reg_extimm): New insn.
1252 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1254 * config/picochip/picochip.c (flag_conserve_stack): set
1255 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1256 fconserve-stack. Reduce call-overhead used by inliner.
1258 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1261 * common.opt (flag_conserve_stack): Initialised to zero.
1263 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1266 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1267 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1270 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1272 * ira-color.c (allocno_reload_assign): Update comments.
1273 * regmove.c (regmove_optimize): Likewise.
1277 2009-01-29 Robert Millan <rmh@aybabtu.com>
1279 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1280 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1281 `MD_UNWIND_SUPPORT'.
1282 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1284 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1286 PR tree-optimization/39007
1287 * tree-loop-distribution.c (generate_builtin): Use
1288 recompute_dominator to compute the immediate dominator of the
1289 basic block just after the loop.
1291 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1293 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1294 (ASM_OUTPUT_DWARF_PCREL): Define.
1296 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1298 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1299 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1300 global. Modify entries about regmove and IRA.
1302 * ra-conflict.c: Remove the file.
1304 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1306 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1307 (pass_regclass_init): Rename to pass_reginfo_init.
1309 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1311 * toplev.h (flag_ira): Remove.
1313 * caller-save.c (setup_save_areas): Remove flag_ira.
1315 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1317 * global.c: Remove the file.
1319 * opts.c: (decode_options): Remove flag_ira.
1321 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1323 * regmove.c: Modify file description.
1324 (find_use_as_address, try_auto_increment): Define them only if
1325 AUTO_INC_DEC is defined.
1326 (replacement_quality, replace_in_call_usage, fixup_match_1,
1327 stable_and_no_regs_but_for_p): Remove.
1328 (reg_set_in_bb): Make it static.
1329 (regmove_optimize): Remove flag_ira and code which worked for
1332 * local-alloc.c: Remove the file.
1334 * common.opt (fira): Remove.
1336 * ira.c: Include except.h.
1337 (eliminable_regset): Move from global.c.
1338 (mark_elimination): Ditto. Remove flag_ira.
1339 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1340 equiv_mem_modified, validate_equiv_mem_from_store,
1341 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1342 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1343 no_equiv, recorded_label_ref): Move from local-alloc.c.
1344 (update_equiv_regs): Ditto. Make it static.
1345 (print_insn_chain, print_insn_chains): Move it from global.c.
1346 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1347 (build_insn_chain): Ditto. Make it static.
1348 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1349 Rename to init_live_subregs.
1350 (gate_ira): Remove flag_ira.
1352 * regclass.c: Rename reginfo.c. Change file description.
1353 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1354 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1355 (init_reg_sets_1): Remove code for evaluation of
1356 reg_class_superclasses and losing_caller_save_reg_set.
1357 (init_regs): Remove init_reg_autoinc.
1358 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1359 ok_for_base_p_nonstrict): Remove.
1360 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1361 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1362 corresponding entries.
1363 (dump_regclass, record_operand_costs, scan_one_insn,
1364 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1365 record_address_regs, auto_inc_dec_reg_p): Remove.
1366 (gt-regclass.h): Rename to gt-reginfo.h.
1368 * rtl.h (dump_global_regs, retry_global_alloc,
1369 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1371 * Makefile.in (RA_H): Remove.
1372 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1373 Rename regclass.o to reginfo.o.
1374 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1376 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1377 (GTFILES): Rename regclass.c to reginfo.c.
1379 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1380 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1382 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1383 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1385 (finish_spills): Ditto. Remove code for !flag_ira.
1387 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1390 * doc/invoke.texi (rtl debug options): Complete rewrite.
1391 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1393 * mode-switching.c (pass_mode_switching): Rename pass from
1394 "mode-sw" to "mode_sw".
1395 * except.c (pass_convert_to_eh_ranges): Rename pass from
1396 "eh-ranges" to "eh_ranges".
1397 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1401 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1402 Alexander Monakov <amonakov@ispras.ru>
1405 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1407 (move_exprs_to_boundary): Change return type and pass through
1408 should_move from move_op. Relax assert. Update usage ...
1409 (schedule_expr_on_boundary): ... here. Use should_move instead of
1411 (move_op_orig_expr_found): Indicate that insn was disconnected from
1413 (code_motion_process_successors): Do not call after_merge_succs
1414 callback if original expression was not found when traversing any of
1416 (code_motion_path_driver): Change return type. Update prototype.
1417 (move_op): Update comment. Add a new parameter (should_move). Update
1418 prototype. Set *should_move based on indication provided by
1419 move_op_orig_expr_found.
1421 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1423 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1424 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1425 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1426 * config/rs6000/rs6000.c (rs6000_override_options): Default
1427 avoid-indexed-addresses on for Power6, off for everything else.
1428 (avoiding_indexed_address_p): New function.
1429 (rs6000_legitimize_address): Use it.
1430 (rs6000_legitimate_address): Likewise.
1431 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1433 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1435 PR tree-optimization/38997
1436 * tree-loop-distribution.c (generate_memset_zero): Use
1437 POINTER_PLUS_EXPR for a pointer addition.
1439 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1441 * config/s390/s390.md (bswap<mode>2): New pattern added.
1443 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1445 * config/s390/s390.md (*tls_load_31): Added type attribute.
1447 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1449 * config/s390/s390.md: Fix a few comments.
1451 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1453 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1454 (*tm<mode>_full): Fixed z10prop attribute.
1455 (*tst<mode>_extimm): Fixed z10prop attribute.
1456 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1457 (*tstqiCCT_cconly): Fixed z10prop attribute.
1458 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1459 (*movsi_larl): Fixed z10prop attribute.
1460 (*movsi_zarch): Fixed z10prop attribute.
1461 (*movsi_eas): Fixed z10prop attribute.
1462 (*movhi): Fixed z10prop attribute.
1463 (*movqi): Fixed z10prop attribute.
1464 (*movstrictqi): Fixed z10prop attribute.
1465 (*mov<mode>): Fixed z10prop attribute.
1466 (*movcc): Fixed z10prop attribute.
1467 (*sethighpartdi_64): Fixed z10prop attribute.
1468 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1469 (*negdi2_sign_cc): Fixed z10prop attribute.
1470 (*negdi2_sign): Fixed z10prop attribute.
1471 (*absdi2_sign_cc): Fixed z10prop attribute.
1472 (*absdi2_sign): Fixed z10prop attribute.
1473 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1474 (*negabsdi2_sign): Fixed z10prop attribute.
1475 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1476 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1477 (doloop_si64): Fixed z10prop attribute.
1478 (doloop_si31): Fixed z10prop attribute.
1479 (doloop_long): Fixed z10prop attribute.
1480 (indirect_jump): Fixed z10prop attribute.
1481 (nop): Fixed z10prop attribute.
1482 (main_base_64): Fixed z10prop attribute.
1483 (reload_base_64): Fixed z10prop attribute.
1485 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1487 PR rtl-optimization/38740
1488 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1490 * config/mips/mips.c (mips_reorg): Likewise.
1492 2009-01-28 Richard Guenther <rguenther@suse.de>
1494 PR tree-optimization/38926
1495 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1496 with the correct value id to a value.
1497 (do_regular_insertion): Use the value number of edoubleprime
1498 for the value number of the expr.
1501 2008-08-21 Richard Guenther <rguenther@suse.de>
1503 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1504 a PHI ask VN if it is already available.
1505 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1506 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1508 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1511 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1512 set to varying whenever max has TREE_OVERFLOW set, similarly
1513 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1515 2009-01-28 Richard Guenther <rguenther@suse.de>
1518 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1519 uninitialized aggregate uses in call arguments.
1521 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1523 PR tree-optimization/38984
1524 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1525 the nothing_id variable if -fno-delete-null-pointer-checks.
1527 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1530 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1531 (set_got_offset_rex64): Ditto.
1533 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1536 * doc/extend.texi: Improve local variable with asm reg.
1538 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1540 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1541 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1542 was not supplied then set warn_packed_bitfield_compat to the
1544 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1547 2009-01-27 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/38503
1550 * cfgexpand.c (expand_gimple_basic_block): Ignore
1551 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1552 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1553 variables that cannot have TBAA applied.
1554 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1557 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1560 * calls.c (initialize_argument_information): Do not wrap complex
1561 arguments in SAVE_EXPR.
1563 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1565 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1566 (INSTALL_LIBGCC): Revert typo commit.
1568 2009-01-26 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/38745
1571 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1572 from special handling.
1574 2009-01-26 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/38745
1577 * tree-ssa.c (execute_update_addresses_taken): Do not include
1578 variables that cannot possibly be a register in not_reg_needs.
1579 Do not clear TREE_ADDRESSABLE on vars that may not become
1581 * tree-ssa.c (update_alias_info_1): Include those in the set
1582 of addressable vars.
1584 2009-01-26 Richard Guenther <rguenther@suse.de>
1587 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1588 * tree-ssa-dse.c: Include langhooks.h
1589 (execute_simple_dse): Remove stores with zero size.
1591 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1594 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1597 2009-01-24 Julian Brown <julian@codesourcery.com>
1599 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1600 config/arm/linux-atomic.c.
1601 * config/arm/linux-atomic.c: New.
1603 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1605 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1606 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1607 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1609 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1612 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1615 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1617 PR tree-optimization/38953
1618 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1619 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1620 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1621 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1624 2009-01-24 Paul Brook <paul@codesourcery.com>
1626 * config/arm/neon.md (neon_type): Move to arm.md.
1627 (neon_mov<VSTRUCT>): Add neon_type attribute.
1628 * config/arm/arm.md (neon_type): Move to here.
1629 (conds): Add "unconditioal" and use as default for NEON insns.
1631 2009-01-24 Ben Elliston <bje@au.ibm.com>
1633 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1634 void *' warning from -Wc++-compat.
1635 * Makefile.in (dominance.o-warn): Remove.
1637 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1639 PR tree-optimization/38932
1640 * fold-const.c (fold_unary_ignore_overflow): New.
1641 * tree.h (fold_unary_ignore_overflow): Declare.
1642 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1643 * tree-ssa-sccvn.c (visit_reference_op_load,
1644 simplify_unary_expression): Likewise.
1646 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1648 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1649 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1650 regardless of their type.
1651 * c-common.c (handle_packed_attribute): Don't ignore packed on
1653 * c.opt (Wpacked-bitfield-compat): New warning option.
1654 * stor-layout.c (place_field): Warn if offset of a field changed.
1655 * doc/extend.texi (packed): Mention the ABI change.
1656 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1657 (Warning Options): Add it to the list.
1659 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1661 * c-opts.c (c_common_post_options): Fix a typo in comments.
1663 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1666 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1667 variables to static.
1668 * doc/invoke.texi (-fmerge-all-constants): Update description.
1670 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1673 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1674 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1676 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1678 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1680 (LOCAL_ALIGNMENT): Similarly.
1682 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1683 Joseph Myers <joseph@codesourcery.com>
1685 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1686 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1687 * config/arm/arm-tune.md: Regenerate.
1688 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1691 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1693 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1694 version number to five.
1696 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1699 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1700 * c-common.c (set_underlying_type): Likewise.
1701 (is_typedef_decl ): Likewise
1703 (set_underlying_type): Likewise.
1704 (is_typedef_type): Likewise.
1706 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1709 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1712 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1715 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1716 (LIBGCC_SPEC): Don't define.
1717 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1719 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1721 PR rtl-optimization/38879
1722 * alias.c (base_alias_check): Unaligned access via AND address can
1723 alias all surrounding object types except those with sizes equal
1724 or wider than the size of unaligned access.
1726 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1729 * c-decl.c: (clone_underlying_type): Move this ...
1730 * c-common.c (set_underlying_type): ... here.
1731 Also, make sure the function properly sets TYPE_STUB_DECL() on
1732 the newly created typedef variant type.
1733 (is_typedef_decl ): New entry point.
1734 * tree.h: Added a new member member_types_needing_access_check to
1735 struct tree_decl_non_common.
1736 (set_underlying_type): New entry point.
1737 (is_typedef_type): Likewise.
1739 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1741 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1742 Check whether two instructions have memory references that
1743 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1744 are helper functions for traversing.
1745 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1746 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1747 not to draw dependency edge for instructions with non-conflicting
1750 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1753 * longlong.h: Update copyright years. Use soft-fp license notice.
1754 Sync __clz_tab declaration with glibc.
1756 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1759 * doc/extend.texi (syscall_linkage): New.
1760 (version_id): Modify.
1762 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1763 Richard Guenther <rguenther@suse.de>
1765 PR tree-optimization/38747
1766 PR tree-optimization/38748
1767 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1768 conversion if the base address is an indirect reference and the
1769 aliasing sets could cause issues.
1771 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1773 * common.opt (fgraphite, fgraphite-identity): Add comment for
1774 explaining why these options are not documented.
1776 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1778 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1779 gimple_call_lhs is NULL.
1781 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1784 * emit-rtl.c (adjust_address_1): Make sure memref is never
1787 2009-01-20 Ben Elliston <bje@au.ibm.com>
1789 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1790 const qualifier from arg parameter. Remove unnecessary cast to char *.
1791 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1792 const qualifier from arg 2.
1794 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1796 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1798 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1801 * rtl.h (reinit_regs): New prototype.
1802 * regclass.c: Include ira.h.
1804 * Makefile.in (regclass.o): Add ira.h.
1805 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1807 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1810 * c-common.c (handle_aligned_attribute): Use
1811 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1812 default alignment value.
1814 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1816 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1817 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1819 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1820 __BIGGEST_ALIGNMENT__.
1822 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1824 2009-01-18 Richard Guenther <rguenther@suse.de>
1826 PR tree-optimization/38819
1827 * tree-flow.h (operation_could_trap_helper_p): Declare.
1828 * tree-eh.c (operation_could_trap_helper_p): Export.
1829 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1830 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1831 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1832 are about to insert a possibly trapping instruction and fail
1835 2009-01-18 Andreas Schwab <schwab@suse.de>
1837 * doc/install.texi (Configuration): Remove obsolete paragraph
1838 about use of --with-gnu-ld with --with-gnu-as.
1840 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1842 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1843 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1844 Follow spelling conventions.
1846 2009-01-18 Ben Elliston <bje@au.ibm.com>
1848 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1849 C++ warning about implicit conversion from void * to struct
1851 (bitmap_obstack_free): Likewise for bitmap_element *.
1852 * Makefile.in (bitmap.o-warn): Remove.
1854 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1856 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1858 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1859 Tobias Grosser <tobi.grosser@amd.com>
1861 * graphite.c (graphite_trans_scop_block): Do not block single
1864 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1866 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1867 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1868 test with assertion.
1870 2009-01-16 Richard Guenther <rguenther@suse.de>
1872 PR tree-optimization/38835
1874 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1875 and INT + PTR -> (INT)(PTR p+ INT) folding.
1876 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1878 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1881 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1882 the subreg from a lowpart subreg if it is also casting the value.
1884 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1885 Tobias Grosser <tobi.grosser@amd.com>
1887 * graphite.c (compare_prefix_loops): New.
1888 (build_scop_canonical_schedules): Rewritten.
1889 (graphite_transform_loops): Move build_scop_canonical_schedules
1890 after build_scop_iteration_domain.
1892 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1893 Tobias Grosser <tobi.grosser@amd.com>
1895 * graphite.c (add_conditions_to_domain): Add the loops to
1896 the dimension of the iteration domain. Do copy the domain
1897 only when it exists.
1898 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1899 (add_conditions_to_constraints): New.
1900 (can_generate_code_stmt, can_generate_code): Removed.
1901 (gloog): Do not call can_generate_code.
1902 (graphite_transform_loops): Call add_conditions_to_constraints
1903 after building the iteration domain.
1905 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1907 PR tree-optimization/38789
1908 * tree-ssa-threadedge.c
1909 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1910 __builtin_constant_p.
1912 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1914 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1915 examined before deleting them.
1917 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1919 * function.c (aggregate_value_p): Correctly extract the function
1920 type from CALL_EXPR_FN lookup.
1922 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1924 * config/picochip/picochip.c (picochip_override_options): Revert
1925 CFI asm flag disable commited previously.
1927 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1928 Tobias Grosser <tobi.grosser@amd.com>
1929 Jan Sjodin <jan.sjodin@amd.com>
1931 * graphite.c (scan_tree_for_params): On substractions negate
1932 all the coefficients of the term.
1933 (clast_to_gcc_expression_red): New. Handle reduction expressions
1934 of more than two operands.
1935 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1936 (get_vdef_before_scop): Handle also the case of default definitions.
1938 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1940 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1941 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1942 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1944 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1945 Joey Ye <joey.ye@intel.com>
1948 * cfgexpand.c (expand_stack_alignment): Don't update stack
1949 boundary nor check incoming stack boundary here.
1950 (gimple_expand_cfg): Update stack boundary and check incoming
1951 stack boundary here.
1953 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1955 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1957 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1959 PR rtl-optimization/38245
1960 * calls.c (expand_call): Add stack arguments to
1961 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1962 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1963 in regs and partially in memory or BLKmode arguments.
1964 (emit_library_call_value_1): Add stack arguments to
1965 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1966 ACCUMULATE_OUTGOING_ARGS).
1967 * dce.c: Include tm_p.h.
1968 (find_call_stack_args): New function.
1969 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1971 (mark_insn): Call find_call_stack_args for CALL_Ps.
1972 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1973 forwards. Allocate and free arg_stores bitmap if needed, pass it
1974 down to deletable_insn_p, don't mark stores set in arg_stores
1975 bitmap, clear the bitmap at the beginning of each bb.
1976 * Makefile.in (dce.o): Depend on $(TM_P_H).
1978 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1981 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1982 to make sure the insn is a conditional test (bug 22599). Reformat a
1985 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1988 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1989 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1990 (gloog): Do not call cleanup_tree_cfg.
1991 (graphite_transform_loops): Call cleanup_tree_cfg after all
1992 scops have been code generated.
1994 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1995 * doc/gty.texi (Invoking the garbage collector): Added new node
1996 and section documenting ggc_collect.
1998 2009-01-14 Richard Guenther <rguenther@suse.de>
2000 PR tree-optimization/38826
2002 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2003 initialization notes only if we actually emitted a warning.
2004 (intra_create_variable_infos): Add constraints for a result decl
2005 that is passed by hidden reference.
2006 (build_pred_graph): Mark all related variables non-direct on
2009 2009-01-14 Nick Clifton <nickc@redhat.com>
2011 * ira-conflicts.c: Include addresses.h for the definition of
2013 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2014 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2016 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2019 * Makefile.in (ira-lives.o): Add except.h.
2021 * ira-lives.c: Include except.h.
2022 (process_bb_node_lives): Process can_throw_internal.
2024 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2026 PR rtl-optimization/38774
2027 * combine.c (simplify_set): When undoing cc_use change, don't do
2028 PUT_CODE on the newly created comparison, but instead put back the
2031 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2033 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2034 values. Remove duplicate arm8 entry.
2036 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2038 PR tree-optimization/38786
2039 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2040 the SSA_NAME case of expand_scalar_variables_expr.
2041 Set the type of an expression to the type of its assign statement.
2042 (expand_scalar_variables_expr): Also gather the scalar computation
2043 used to index the memory access. Do not pass loop_p.
2044 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2045 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2046 the gimple_stmt_iterator where it inserts new code.
2048 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2049 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2051 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2053 * graphite.h (debug_value): Removed.
2054 * graphite.c (debug_value): Removed.
2056 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2058 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2059 ldrd/strd with two 32-bit instructions.
2061 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2063 * config/arm/arm.c (struct processors): Pass for speed down into
2064 cost helper functions.
2065 (const_ok_for_op): Handle COMPARE and inequality nodes.
2066 (arm_rtx_costs_1): Rewrite.
2067 (arm_size_rtx_costs): Update prototype.
2068 (arm_rtx_costs): Pass speed down to helper functions.
2069 (arm_slowmul_rtx_costs): Rework cost calculations.
2070 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2071 (arm_9e_rtx_costs): Likewise.
2073 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2075 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2076 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2077 (alpha_legitimize_address): Do not split local symbols wider than
2078 UNITS_PER_WORD into HIGH/LO_SUM parts.
2080 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2083 * gcc.c (process_command): Replace call to execvp with calls
2084 to pex_one and exit.
2086 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2089 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2090 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2091 variant for devices with 3-byte PC.
2092 (__tablejump_elpm__) : New.
2094 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2097 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2098 offsetof member-designator, handle it as `[0].'.
2100 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2102 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2103 function when not using named sections on targets with named sections
2104 if branch distance is less than 262132.
2106 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2108 * combine.c (combine_instructions): Recompute
2109 optimize_this_for_speed_p for each BB in the main combine loop.
2111 2009-01-12 Tomas Bily <tbily@suse.cz>
2114 * tree-loop-distribution.c (prop_phis): New function.
2115 (generate_builtin): Call prop_phis.
2116 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2118 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2120 PR tree-optimization/38807
2121 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2122 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2124 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2126 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2127 subreg of op0 to the original op0.
2129 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2131 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2133 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2136 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2137 starting with digits.
2139 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2142 * config/arm/arm.c (arm_is_long_call_p): Don't call
2143 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2145 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2147 * regrename.c (regrename_optimize): Fix dumping.
2148 (find_oldest_value_reg): Preserve REG_POINTER.
2149 (copy_hardreg_forward_1): Likewise.
2151 2009-01-09 Diego Novillo <dnovillo@google.com>
2153 * gimple.h (struct gimple_statement_base) <uid>: Document
2154 the restrictions on its use.
2156 (gimple_set_uid): Tidy.
2158 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2160 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2161 zero guard even if align_bytes != 0 and count is smaller than
2164 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2166 PR rtl-optimization/38495
2167 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2168 (add_range_and_copies_from_move_list): Print all added ranges.
2169 Add ranges to memory optimized destination.
2171 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2175 * config/i386/i386.c (override_options): Reject
2176 -mstringop-strategy=rep_8byte with -m32.
2177 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2178 to 1. Do count comparison against epilogue_size_needed at compile
2179 time even when count_exp was constant forced into register. For
2180 size_needed don't jump to epilogue, instead just avoid aligning
2181 and invoke the body algorithm. If need_zero_guard, add zero guard
2182 even if count is non-zero, but smaller than size_needed + number of
2183 bytes that could be stored for alignment.
2184 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2185 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2186 but smaller than size_needed + number of bytes that could be stored
2187 for alignment. Compare size_needed with epilogue_size_needed instead
2188 of desired_align - align, don't adjust size_needed, pass
2189 epilogue_size_needed to the epilogue expanders.
2192 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2194 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2196 * pa.c (last_address): Change to unsigned.
2197 (update_total_code_bytes): Change argument to unsigned. Don't
2198 check if insn addresses are set.
2199 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2200 addresses are not set.
2201 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2203 2009-01-09 Nick Clifton <nickc@redhat.com>
2205 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2206 DECL_DECLARED_INLINE_P.
2208 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2211 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2212 GET_MODE (op0) in operand_subword_force calls.
2215 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2216 fold_convert arg0 operands to TREE_TYPE (op0) first.
2218 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2220 * params.def (ira-max-conflict-table-size): Decrease default value
2223 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2225 PR tree-optimization/37031
2226 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2228 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2229 allocate it using gc instead of heap, use VEC_quick_push instead of
2231 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2232 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2233 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2234 allocated vector from heap allocated.
2235 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2236 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2237 vector only after perfect_loop_nest_depth call.
2239 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2240 Jan Sjodin <jan.sjodin@amd.com>
2242 PR tree-optimization/38559
2243 * graphite.c (debug_value, copy_constraint,
2244 swap_constraint_variables, scale_constraint_variable, ): New.
2245 (get_lower_bound, get_upper_bound): Removed.
2246 (graphite_trans_bb_strip_mine): Clean up this code that works
2247 only for constant number of iterations. Fully copy upper and
2248 lower bound constraints, not only the constant part of them.
2249 * graphite.h (debug_value): Declared.
2251 2009-01-08 Ira Rosen <irar@il.ibm.com>
2253 PR tree-optimization/37194
2254 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2255 Don't add the cost of cost model guard in prologue to scalar
2256 outside cost in case of known number of iterations.
2258 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2259 Alan Modra <amodra@bigpond.net.au>
2261 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2262 non-word-aligned REG+CONST addressing.
2264 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2267 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2268 free_after_compilation when outputting a thunk.
2269 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2270 Do not call free_after_compilation here.
2272 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2274 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2275 (ix86_valid_target_attribute_inner_p): Ditto.
2277 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2279 PR tree-optimization/38492
2280 PR tree-optimization/38498
2281 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2282 * tree-chrec.h (scev_is_linear_expression): Declared.
2283 * graphite.c (graphite_cannot_represent_loop_niter): New.
2284 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2285 (graphite_loop_normal_form): Use gcc_assert.
2286 (scan_tree_for_params): Use CASE_CONVERT.
2287 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2288 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2289 Use gcc_assert. Discard scops that contain unhandled cases.
2290 (build_scop_conditions): Return a boolean status for unhandled cases.
2291 (strip_mine_profitable_p): Print the loop number, not its depth.
2292 (is_interchange_valid): Pass the depth of the loop nest, don't
2293 recompute it wrongly.
2294 (graphite_trans_bb_block): Same.
2295 (graphite_trans_bb_block): Print tentative of loop blocking.
2296 (graphite_trans_scop_block): Do not print that the loop has been
2298 (graphite_transform_loops): Do not handle scops that contain condition
2301 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2303 AVX Programming Reference (December, 2008)
2304 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2305 (_mm256_stream_pd): Likewise.
2306 (_mm256_stream_ps): Likewise.
2308 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2309 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2310 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2311 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2312 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2313 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2314 (ix86_expand_special_args_builtin): Likewise.
2316 * config/i386/sse.md (AVXMODEDI): New.
2317 (avx_movnt<mode>): Likewise.
2318 (avx_movnt<mode>): Likewise.
2319 (<sse>_movnt<mode>): Remove AVX support.
2320 (sse2_movntv2di): Likewise.
2322 2009-01-07 Richard Guenther <rguenther@suse.de>
2325 * fold-const.c (extract_muldiv): Remove obsolete comment.
2326 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2327 to PLUS_EXPR canonicalization for the canonicalization.
2329 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2331 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2332 hosted cross-compilers generating less efficient code.
2334 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2336 * function.h (rtl_data): Add a dbr_scheduled_p field.
2337 * reorg.c (dbr_schedule): Set it.
2338 (gate_handle_delay_slots): Check it.
2339 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2340 (mips_reorg): Check flag_delayed_branch instead of
2341 mips_base_delayed_branch.
2342 (mips_override_options): Don't set mips_base_delayed_branch
2343 or flag_delayed_branch.
2345 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2347 PR rtl-optimization/38426.
2348 * ira.c (ira): Set current_function_is_leaf earlier.
2350 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2352 PR rtl-optimization/38722
2353 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2354 too early, only set a flag and modify after last possible
2357 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2360 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2361 * real.c (decimal_single_format): Correct values of emin and emax.
2362 (decimal_double_format): Ditto.
2363 (decimal_quad_format): Ditto.
2364 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2365 computation of DECnn_MIN and DECnn_MAX for corrected values of
2366 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2367 __DECnn_MIN__, and adjust its computation for the corrected value
2370 2009-01-06 Jan Hubicka <jh@suse.cz>
2373 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2375 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2377 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2378 Add Robert Clark to the list of testers.
2380 2009-01-06 Jan Hubicka <jh@suse.cz>
2381 Kai Tietz <kai.tietz@onevision.com>
2383 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2384 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2386 2009-01-06 Jan Hubicka <jh@suse.cz>
2387 Kai Tietz <kai.tietz@onevision.com>
2389 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2391 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2392 (ix86_nsaved_regs): Count only general purpose regs.
2393 (ix86_nsaved_sseregs): New.
2394 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2395 to 16 for w64; compute padding and size of sse reg save area.
2396 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2397 general purpose regs.
2398 (ix86_emit_save_sse_regs_using_mov): New.
2399 (ix86_expand_prologue): Save SSE regs if needed.
2400 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2401 (ix86_emit_restore_sse_regs_using_mov): New.
2402 (ix86_expand_epilogue): Save SSE regs if needed.
2404 2009-01-06 Jan Hubicka <jh@suse.cz>
2405 Kai Tietz <kai.tietz@onevision.com>
2407 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2408 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2409 functions when accumulate outgoing args is off.
2411 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2414 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2415 before using pseudos_have_intersected_live_ranges_p.
2417 * ira-int.h (ira_assert): Always define.
2419 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2421 AVX Programming Reference (December, 2008)
2422 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2423 (_mm256_permute2_pd): Likewise.
2424 (_mm_permute2_ps): Likewise.
2425 (_mm256_permute2_ps): Likewise.
2426 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2427 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2429 * config/i386/i386.c (ix86_builtins): Remove
2430 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2431 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2432 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2433 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2434 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2435 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2436 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2437 __builtin_ia32_vpermil2ps256.
2438 (ix86_init_mmx_sse_builtins): Updated.
2439 (ix86_expand_args_builtin): Likewise.
2441 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2443 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2444 long absolute calls when generating PA 2.0 code.
2446 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2448 PR rtl-optimization/38583
2449 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2451 * params.def (ira-max-conflict-table-size): New.
2453 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2455 * ira.h (ira_conflicts_p): New external definition.
2457 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2458 table. Report this. Return result of building.
2459 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2460 building conflict table.
2462 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2463 (ira_color): Use ira_conflicts_p.
2465 * global.c: Include ira.h.
2466 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2469 * Makefile.in (global.o): Add ira.h.
2471 * ira-build.c (mark_all_loops_for_removal,
2472 propagate_some_info_from_allocno): New.
2473 (remove_unnecessary_allocnos): Call
2474 propagate_some_info_from_allocno.
2475 (remove_low_level_allocnos): New.
2476 (remove_unnecessary_regions): Add parameter. Call
2477 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2478 parameter to remove_unnecessary_regions.
2479 (ira_build): Remove all regions but root if the conflict table was
2480 not built. Update conflict hard regs for allocnos crossing calls.
2482 * ira.c (ira_conflicts_p): New global.
2483 (ira): Define and use ira_conflicts_p.
2485 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2486 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2487 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2489 2009-01-06 Ben Elliston <bje@au.ibm.com>
2491 * gengtype-lex.l (YY_NO_INPUT): Define.
2493 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2496 * c-common.c (handle_vector_size_attribute): Also reject
2499 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2501 PR tree-optimization/38492
2502 * graphite.c (rename_map_elt, debug_rename_elt,
2503 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2504 rename_map_elt_info, eq_rename_map_elts,
2505 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2506 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2507 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2508 (sese_build_livein_liveouts): New.
2509 (new_sese, free_sese): New.
2510 (new_scop): Call new_sese.
2511 (free_scop): Call free_sese.
2512 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2513 (register_old_new_names): Renamed register_old_and_new_names.
2514 (register_scop_liveout_renames, add_loop_exit_phis,
2515 insert_loop_close_phis, struct igp,
2516 default_liveout_before_guard, add_guard_exit_phis,
2517 insert_guard_phis, copy_renames): New.
2518 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2519 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2520 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2521 (scop_adjust_phis_for_liveouts): New.
2522 (gloog): Call scop_adjust_phis_for_liveouts.
2524 * graphite.h (struct sese): Documented. Added fields liveout,
2526 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2527 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2528 (struct scop): Added field liveout_renames.
2529 (SCOP_LIVEOUT_RENAMES): New.
2531 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2533 PR tree-optimization/38510
2534 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2535 (translate_clast): Call recompute_all_dominators before
2537 (gloog): Call recompute_all_dominators before graphite_verify.
2539 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2540 Jan Sjodin <jan.sjodin@amd.com>
2542 PR tree-optimization/38500
2543 * graphite.c (create_sese_edges): Call fix_loop_structure after
2546 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2548 * config.gcc: Add m32r*-*-rtems*.
2549 * config/m32r/rtems.h: New file.
2551 2009-01-05 Ben Elliston <bje@au.ibm.com>
2553 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2554 (.po.pox): Likewise.
2555 (po/gcc.pot): Likewise.
2557 2009-01-04 David S. Miller <davem@davemloft.net>
2559 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2560 (STARTING_FRAME_OFFSET): Always set to zero.
2562 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2564 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2565 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2566 fixed-point types, and vectors of the same.
2568 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2570 * config/mips/sync.md (*mb_barrier): Rename to...
2571 (*memory_barrier): ...this.
2573 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2575 * doc/extend.texi (Function Attributes): Move @cindex after @item
2576 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2577 and put in alphabetical order. Fix 'target' name and put in order.
2578 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2581 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2583 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2584 (memory_barrier): Expand as unspec instead of unspec_volatile.
2585 Remove mem:BLK from insn operands. Use Pmode scratch register.
2586 (*memory_barrier): Define as unspec instead of unspec_volatile.
2587 Use (match_dup 0) as input operand.
2589 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2590 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2591 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2592 scratch register. Remove operand 1.
2593 (*stbar): Define as unspec instead of unspec_volatile.
2594 Use (match_dup 0) as input operand, remove (const_int 8).
2595 (*membar): Define as unspec instead of unspec_volatile.
2596 Use (match_dup 0) as input operand, remove input operand 2.
2598 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2599 (memory_barrier): Expand as unspec instead of unspec_volatile.
2600 Remove mem:BLK from insn operands. Use Pmode scratch register.
2601 (*memory_barrier): Define as unspec instead of unspec_volatile.
2602 Use (match_dup 0) as input operand.
2604 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2605 Remove mem:BLK from insn operands. Use Pmode scratch register.
2606 Set volatile flag on operand 0.
2607 (*memory_barrier): New insn pattern.
2609 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2611 (*memory_barrier): Use (match_dup 0) as input operand.
2613 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2614 Remove mem:BLK from insn operands. Use Pmode scratch register.
2615 Set volatile flag on operand 0.
2616 (*mb_internal): New insn pattern.
2618 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2620 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2623 * function.c (struct temp_slot): Move to the section of the file
2624 that deals with temp slots. Remove field 'address'.
2625 (temp_slot_address_table): New hash table of address -> temp slot.
2626 (struct temp_slot_address_entry): New struct, items for the table.
2627 (temp_slot_address_compute_hash, temp_slot_address_hash,
2628 temp_slot_address_eq, insert_temp_slot_address): Support functions
2630 (find_temp_slot_from_address): Rewrite to use the new hash table.
2631 (remove_unused_temp_slot_addresses): Remove addresses of temp
2632 slots that have been made available.
2633 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2634 worker function for remove_unused_temp_slot_addresses.
2635 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2636 Add the temp slot address to the address -> temp slot map.
2637 (update_temp_slot_address): Update via insert_temp_slot_address.
2638 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2639 (pop_temp_slots): Likewise.
2640 (init_temp_slots): Allocate the address -> temp slot map, or empty
2641 the map if it is already allocated.
2642 (prepare_function_start): Initialize temp slot processing.
2644 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2647 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2648 Calculate the size of all stack vars assuming no packing of stack
2649 vars will happen, replacing a quadratic algorithm with a linear one.
2651 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2654 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2657 2009-01-03 Diego Novillo <dnovillo@google.com>
2659 * doc/contrib.texi: Update contributions.
2661 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2664 * builtins.c (fold_builtin_memory_op): Give up if either operand
2665 is volatile. Set srctype or desttype to non-qualified version
2669 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2672 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2674 PR rtl-optimization/35805
2675 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2676 problem if fast dce is able to remove any instructions.
2677 * dce.c (dce_process_block): Fix dump message.
2679 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2682 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2684 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2687 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2688 * tree-pretty-print.c (op_code_prio): New function.
2689 (op_prio): No longer static. Use op_code_prio.
2690 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2691 Use op_prio and op_code_prio to determine if () should be
2692 printed around operand(s) or not.
2694 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2695 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2696 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2697 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2698 pp_character instead of pp_string for single letter printing.
2700 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2702 * doc/extend.texi: Fix '#pragma GCC option' typo.
2704 2009-01-02 Richard Guenther <rguenther@suse.de>
2706 * doc/install.texi (--enable-checking): Mention different
2708 (--enable-stage1-checking): Document.
2710 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2713 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2714 case to be an error.
2716 2009-01-02 Ben Elliston <bje@au.ibm.com>
2718 * config/fp-bit.h (pack_d): Constify argument.
2719 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2720 (isnan): Constify argument.
2724 (_fpadd_parts): Constify return type.
2725 (_fpmul_parts): Likewise.
2726 (_fpdiv_parts): Likewise.
2728 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2731 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2732 warn about overwriting initializer with side-effects or
2733 -Woverride-init if !IMPLICIT.
2734 (output_init_element): Likewise. Pass IMPLICIT down to
2736 (process_init_element): Add IMPLICIT argument. Pass it down
2737 to output_init_element.
2738 (push_init_element, pop_init_level, set_designator): Adjust
2739 process_init_element callers.
2740 (set_nonincremental_init, set_nonincremental_init_from_string):
2741 Adjust add_pending_init callers.
2742 (output_pending_init_elements): Adjust output_init_element callers.
2743 * c-tree.h (process_init_element): Adjust prototype.
2744 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2745 process_init_element callers.