1 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
5 constants instead of magic numbers.
6 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9 (x86_64_ms_abi_int_parameter_registers): Ditto.
10 (x86_64_int_return_registers): Ditto.
11 (ix86_expand_call): Ditto for clobbered_registers array.
12 (ix86_hard_regno_mode_ok): Ditto.
13 (x86_extended_QIreg_mentioned_p): Ditto.
15 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
17 PR tree-optimization/39349
18 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
20 * combine.c (gen_lowpart_for_combine): Use omode when generating
23 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
25 PR rtl-optimization/39235
26 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
28 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
30 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
32 2009-03-04 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/39362
35 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
36 that occur in abnormal PHIs should be varying.
38 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
40 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
42 (simple_iv): Take loop as an argument instead of statement.
43 * tree-scalar-evolution.h (simple_iv): Declaration changed.
44 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
46 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
48 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
49 * matrix-reorg.c (analyze_transpose): Ditto.
50 * tree-data-ref.c (dr_analyze_innermost): Ditto.
51 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
52 * tree-predcom.c (ref_at_iteration): Ditto.
53 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
55 2009-03-04 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/39358
58 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
59 escaped_id and callused_id.
60 (solve_graph): Likewise.
62 2009-03-04 Richard Guenther <rguenther@suse.de>
64 PR tree-optimization/39339
65 * tree-sra.c (try_instantiate_multiple_fields): Make it
66 no longer ICE on the above.
68 2009-03-03 Joseph Myers <joseph@codesourcery.com>
70 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
71 that fits within Pmode.
73 2009-03-03 Steve Ellcey <sje@cup.hp.com>
76 * tm.texi (LIBCALL_VALUE): Update description.
78 2009-03-03 Steve Ellcey <sje@cup.hp.com>
81 * doc/extend.texi (section): Update description.
83 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
86 * tree-inline.c (remapped_type): New.
87 (can_be_nonlocal): Call remapped_type instead of remap_type.
89 2009-03-03 Jakub Jelinek <jakub@redhat.com>
92 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
93 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
95 2009-03-03 Richard Guenther <rguenther@suse.de>
98 * tree.c (tree_nonartificial_location): New function.
99 * tree.h (tree_nonartificial_location): Declare.
100 * builtins.c (expand_builtin_memory_chk): Provide location
101 of the call location for artificial function pieces.
102 (maybe_emit_chk_warning): Likewise.
103 (maybe_emit_sprintf_chk_warning): Likewise.
104 (maybe_emit_free_warning): Likewise.
105 * expr.c (expand_expr_real_1): Likewise.
107 2009-03-03 Jakub Jelinek <jakub@redhat.com>
109 PR tree-optimization/39343
110 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
111 COMPONENT_REF t has ARRAY_TYPE.
113 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
116 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
117 when the type precision of the induction variable should be
118 larger than the type precision of nit.
119 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
120 * graphite.c (graphite_loop_normal_form): Same.
121 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
123 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
125 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
126 (*call_1_rex64_ms_sysv): Use named constants instead of magic
127 numbers to describe clobbered registers.
128 (*call_value_0_rex64_ms_sysv): Ditto.
129 * config/i386/mmx.md (mmx_emms): Ditto.
132 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
134 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
137 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
139 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
140 (spu_section_type_flags): New function.
142 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
144 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
145 reg_class_contents of FLOAT_REGS into a temporary.
147 2009-03-02 Richard Guenther <rguenther@suse.de>
148 Ira Rosen <irar@il.ibm.com>
150 PR tree-optimization/39318
151 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
152 information to the vectorized statement.
154 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
156 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
157 variable. Use defined names instead of magic constants for REX SSE
160 2009-03-01 Richard Guenther <rguenther@suse.de>
162 PR tree-optimization/39331
163 * omp-low.c (lower_send_shared_vars): Do not receive new
164 values for the reference of DECL_BY_REFERENCE parms or results.
166 2009-03-01 Jan Hubicka <jh@suse.cz>
169 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
170 BLOCK_NONLOCALIZED_VAR): New macros.
171 (tree_block): Add nonlocalized_vars.
172 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
173 gen_decl_die): Add origin argument. Allow generation of die with
175 (gen_member_die, gen_type_die_with_usage, force_decl_die,
176 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
178 (gen_block_die): Fix checking for unused blocks.
179 (process_scope_var): Break out from .... ; work with origins only.
180 (decls_for_scope) ... here; process nonlocalized list.
181 (dwarf2out_ignore_block): Look for nonlocalized vars.
182 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
184 (dump_scope_block): Dump them.
185 * tree-inline.c (remap_decls): Handle nonlocalized vars.
186 (remap_block): Likewise.
187 (can_be_nonlocal): New predicate.
188 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
190 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
192 * configure: Regenerate.
194 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
196 * optc-gen.awk: No need to duplicate option flags twice.
197 Reuse help texts for duplicate options which do not have
200 * gcc.c (display_help): Document --version.
202 * gcc.c (main): If print_help_list and verbose_flag, ensure
203 driver output comes before subprocess output.
205 * optc-gen.awk: Assign all remaining fields to help string,
206 space-separated, for multi-line help in *.opt.
208 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
209 -Wno-pedantic-ms-format is for MinGW targets only.
211 * doc/options.texi (Option file format): Fix bad indentation,
212 restoring dropped sentence.
214 2009-02-28 Jan Hubicka <jh@suse.cz>
216 * tree-inline.c (tree_function_versioning): Output debug info.
218 2009-02-28 Jan Hubicka <jh@suse.cz>
221 * tree-inline.c (setup_one_parameter): Do not copy propagate
222 arguments when not optimizing.
224 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
227 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
228 (avx_addsubv4df3): Likewise.
229 (*avx_addsubv4sf3): Likewise.
230 (sse3_addsubv4sf3): Likewise.
231 (*avx_addsubv2df3): Likewise.
232 (sse3_addsubv2df3): Likewise.
233 (avx_unpckhps256): Correct item selectors.
234 (avx_unpcklps256): Likewise.
235 (avx_unpckhpd256): Likewise.
236 (avx_unpcklpd256): Likewise.
238 2009-02-28 Jan Hubicka <jh@suse.cz>
240 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
242 (copy_arguments_for_versioning): If var is declared don't declare it.
243 (tree_function_versioning): First setup substitutions and then copy
246 2009-02-27 Jan Hubicka <jh@suse.cz>
249 * cgraph.h (varpool_output_debug_info): Remove.
250 * cgraphunit.c (varpool_output_debug_info): Remove.
251 * dwarf2out.c (deferred_locations_struct): New struct
252 (deferred_locations): New type.
253 (deferred_locations_list): New static var.
254 (deffer_location): New function.
255 (gen_variable_die): Use it.
256 (decls_for_scope): Output info on local static vars.
257 (dwarf2out_finish): Process deferred locations.
258 * varpool.c (varpool_output_debug_info): Remove.
260 2009-02-27 Jan Hubicka <jh@suse.cz>
263 * tree.h (TREE_PROTECTED): Fix comment.
264 (BLOCK_HANDLER_BLOCK): Remove.
265 (struct tree_block): Remove handler_block add body_block.
266 (inlined_function_outer_scope_p): New.
267 (is_body_block): Remove.
268 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
269 * dwarf2out.c (is_inlined_entry_point): Remove.
270 (add_high_low_attributes): Use inlined_function_outer_scope_p.
271 (gen_block_die): Use is_inlined_entry_point check. Remove body block
273 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
274 * gimplify.c (gimplify_expr): Gimplify body blocks.
275 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
276 block with multiple subblocks.
277 (dump_scope_block): Prettier output; dump more flags and info.
278 (dump_scope_blocks): New.
279 (remove_unused_locals): Use dump_scope_blocks.
280 * tree-flow.h (dump_scope_blocks): Declare.
281 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
282 * stmt.c (is_body_block): Remove.
283 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
284 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
286 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
289 * graphite.c (graphite_loop_normal_form): Do not call
290 number_of_iterations_exit from a gcc_assert.
292 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
294 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
295 jumps if COND is NULL.
296 (find_cond_jump): New function.
297 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
298 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
300 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
302 * config/alpha/alpha.h (alpha_expand_mov): Return false if
303 force_const_mem returns NULL_RTX.
305 2009-02-26 Jan Hubicka <jh@suse.cz>
308 * cgraph.h (varpool_output_debug_info): Remove.
309 * cgraphunit.c (varpool_output_debug_info): Remove.
310 * dwarf2out.c (deferred_locations_struct): New struct
311 (deferred_locations): New type.
312 (deferred_locations_list): New static var.
313 (deffer_location): New function.
314 (gen_variable_die): Use it.
315 (decls_for_scope): Output info on local static vars.
316 (dwarf2out_finish): Process deferred locations.
317 * varpool.c (varpool_output_debug_info): Remove.
319 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
321 PR rtl-optimization/39241
322 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
323 to subreg_offset_representable_p.
325 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
327 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
328 execute function prototype. Get f and nregs from max_reg_num
329 and get_insns. Remove the first backward pass as it's dead,
330 guard the forward pass by flag_expensive_optimizations.
331 (rest_of_handle_regmove): Delete.
332 (pass_regmove): Replace it with regmove_optimize.
334 2009-02-25 Martin Jambor <mjambor@suse.cz>
336 PR tree-optimization/39259
337 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
338 calls_alloca function flags.
339 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
342 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
344 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
345 flags_set_1_rtx, flags_set_1_set): Delete.
346 (regmove_optimize): Do not call mark_flags_life_zones.
348 2009-02-24 Julian Brown <julian@codesourcery.com>
351 * config/arm/arm.c (require_pic_register): Only set
352 cfun->machine->pic_reg once per function.
354 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
356 * doc/invoke.texi (Link Options): Document an easier way to pass
357 options that take arguments to the GNU linker using -Xlinker and -Wl.
359 2009-02-24 Steve Ellcey <sje@cup.hp.com>
362 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
364 2009-02-24 Richard Guenther <rguenther@suse.de>
367 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
369 2009-02-24 Richard Guenther <rguenther@suse.de>
370 Zdenek Dvorak <ook@ucw.cz>
372 PR tree-optimization/39233
373 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
374 from converting them to a generic type.
376 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
378 PR tree-optimization/39260
379 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
380 contains a condition with a real type.
381 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
383 2009-02-23 Jason Merrill <jason@redhat.com>
386 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
387 narrowing_initializer_constant_valid_p.
388 (narrowing_initializer_constant_valid_p): Don't return
389 null_pointer_node for adding a pointer to itself.
391 2009-02-23 Jan Hubicka <jh@suse.cz>
394 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
397 2009-02-23 Jan Hubicka <jh@suse.cz>
399 PR tree-optimization/37709
400 * tree.c (block_ultimate_origin): Move here from dwarf2out.
401 * tree.h (block_ultimate_origin): Declare.
402 * dwarf2out.c (block_ultimate_origin): Move to tree.c
403 * tree-ssa-live.c (remove_unused_scope_block_p):
404 Eliminate blocks containig no instructions nor live variables nor
406 (dump_scope_block): New function.
407 (remove_unused_locals): Enable removal of dead blocks by default;
408 enable dumping at TDF_DETAILS.
410 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
412 * config/i386/i386.c (classify_argument): Don't allow COImode
414 (function_arg_advance_32): Don't allow OImode.
415 (function_arg_32): Likewise.
416 (function_value_32): Likewise.
417 (return_in_memory_32): Likewise.
418 (function_arg_64): Remove OImode comment.
420 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
423 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
424 ix86_expand_vector_set for V4DImode in 64bit mode only.
425 (ix86_expand_vector_init_one_var): Likewise.
427 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
429 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
431 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
434 * loop-iv.c: Revert last change.
435 * emit-rtl.c: Likewise.
437 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
440 * config/i386/i386.c (type_natural_mode): Remove an extra
441 space in the warning message.
442 (function_value_32): Handle 32-byte vector modes.
443 (return_in_memory_32): Likewise.
445 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
447 * loop-iv.c (truncate_value): New function.
448 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
450 (lowpart_subreg): Move to...
451 * emit-rtl.c: ...here.
453 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
455 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
456 accidental and undocumented change at revision 140860.
458 2009-02-21 Joseph Myers <joseph@codesourcery.com>
460 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
461 take gimple_seq * arguments.
462 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
463 types_compatible_p langhook.
465 2009-02-20 Mark Mitchell <mark@codesourcery.com>
466 Joseph Myers <joseph@codesourcery.com>
468 * config/arm/arm.c (arm_builtin_va_list): New function.
469 (arm_expand_builtin_va_start): Likewise.
470 (arm_gimplify_va_arg_expr): Likewise.
471 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
472 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
473 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
474 (va_list_type): New variable.
475 (arm_mangle_type): Mangle va_list_type appropriately.
477 2009-02-20 Jakub Jelinek <jakub@redhat.com>
480 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
481 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
482 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
483 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
484 parameter to 1000 for -O1 by default.
485 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
487 * loop-invariant.c: Include params.h.
488 (move_loop_invariants): Don't call move_single_loop_invariants on
491 2009-02-20 Jaka Mocnik <jaka@xlab.si>
493 * calls.c (emit_library_call_value_1): Use slot_offset instead of
494 offset when calculating bounds for indexing stack_usage_map. Fixes
495 a buffer overflow with certain target setups.
497 2009-02-20 Jakub Jelinek <jakub@redhat.com>
500 * calls.c (expand_call): Clear try_tail_call if caller and callee
501 disagree in promotion of function return value.
503 2009-02-19 Jakub Jelinek <jakub@redhat.com>
506 * c-common.c (c_determine_visibility): If visibility changed and
507 DECL_RTL has been already set, call make_decl_rtl to update symbol
510 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
513 * varasm.c (assemble_variable): Don't check DECL_NAME when
514 globalizing a variable.
516 2009-02-19 Joseph Myers <joseph@codesourcery.com>
519 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
520 expression before any __builtin_trap call.
521 * c-typeck.c (build_function_call): Convert and check function
522 arguments before generating a call to a trap. Evaluate the
523 function arguments before the trap.
525 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
528 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
529 (UNSPEC_FXAM_MEM): New unspec.
530 (fxam<mode>2_i387_with_temp): New insn and split pattern.
531 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
532 memory using fxam<mode>2_i387_with_temp to remove excess precision.
534 2009-02-19 Richard Guenther <rguenther@suse.de>
536 PR tree-optimization/39207
537 PR tree-optimization/39074
538 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
539 storedanything_tree): New.
540 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
541 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
542 (build_succ_graph): Add edges from STOREDANYTHING to all
544 (init_base_vars): Initialize STOREDANYTHING.
545 (compute_points_to_sets): Free substitution info after
546 building the succ graph.
547 (ipa_pta_execute): Likewise.
549 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
551 (do_ds_constraint): Do not add to special var or non-pointer
553 (type_could_have_pointers): Split out from ...
554 (could_have_pointers): ... here. For arrays use the element type.
555 (create_variable_info_for): Initialize may_have_pointers.
556 (new_var_info): Likewise.
557 (handle_lhs_call): Make the HEAP variable unknown-sized.
558 (intra_create_variable_infos): Use a type with pointers for
559 PARM_NOALIAS, make it unknown-sized.
561 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
564 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
566 2009-02-18 Jason Merrill <jason@redhat.com>
569 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
570 value if DECL_EXTERNAL.
571 * tree-sra.c (sra_walk_gimple_assign): Likewise.
572 * target.h (gcc_target::binds_local_p): Clarify "module".
573 * tree.h (TREE_PUBLIC): Clarify "module".
575 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
578 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
579 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
581 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
584 * c.opt (Wabi): Support C and ObjC.
587 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
589 * config/i386/i386.c (classify_argument): Warn once about the ABI
590 change when passing union with long double.
592 * doc/invoke.texi: Update -Wabi for warning psABI changes.
594 2009-02-18 Joseph Myers <joseph@codesourcery.com>
597 * c-parser.c (c_parser_compound_statement): Always enter and leave
600 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
603 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
605 2009-02-18 Jakub Jelinek <jakub@redhat.com>
607 PR tree-optimization/36922
608 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
609 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
612 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
614 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
617 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
619 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
621 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
623 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
626 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
627 Richard Sandiford <rdsandiford@googlemail.com>
629 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
630 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
631 (loongson_biadd): ...this.
633 2009-02-17 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/39202
636 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
637 a var make sure to follow existing collapses.
639 2009-02-17 Richard Guenther <rguenther@suse.de>
642 * langhooks.c (lhd_print_error_function): Check for NULL block.
644 2009-02-17 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/39204
647 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
650 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
652 * config/soft-fp/double.h: Update from glibc CVS.
654 2009-02-17 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/39207
657 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
658 strict-aliasing warnings for pointers pointing to NULL.
660 2009-02-16 Joseph Myers <joseph@codesourcery.com>
663 * c-parser.c (c_parser_braced_init): Call pop_init_level when
664 skipping until next close brace.
666 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
669 * config/i386/i386.c (ix86_expand_push): Set memory alignment
670 to function argument boundary.
672 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
674 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
675 in the lea_add. Reload eventually constraints it properly.
676 * config/picochip/constraints.md : Remove the target constraint
677 "b", since it is not needed anymore.
679 2009-02-16 Jakub Jelinek <jakub@redhat.com>
681 * gthr-dce.h: Uglify function parameter and local variable names.
682 * gthr-gnat.h: Likewise.
683 * gthr-mipssde.h: Likewise.
684 * gthr-nks.h: Likewise.
685 * gthr-posix95.h: Likewise.
686 * gthr-posix.h: Likewise.
687 * gthr-rtems.h: Likewise.
688 * gthr-single.h: Likewise.
689 * gthr-solaris.h: Likewise.
690 * gthr-tpf.h: Likewise.
691 * gthr-vxworks.h: Likewise.
692 * gthr-win32.h: Likewise.
694 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
697 * config/i386/i386.md: Restrict the new peephole2 to move
698 between MMX/SSE registers.
700 2009-02-15 Richard Guenther <rguenther@suse.de>
703 2009-02-13 Richard Guenther <rguenther@suse.de>
705 * configure.ac: Enable LFS.
706 * configure: Re-generate.
707 * config.in: Likewise.
709 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
711 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
712 spu_srqwbyte, spu_srqwbytebc): Define.
713 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
714 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
715 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
716 "shrqby_<mode>"): New insn-and-split patterns.
717 * config/spu/spu.c (expand_builtin_args): Determine and return
718 number of operands using spu_builtin_description data.
719 (spu_expand_builtin_1): Use it.
721 2009-02-13 Steve Ellcey <sje@cup.hp.com>
724 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
727 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
730 * config/i386/i386.c (override_options): Correct warning
731 messages for -malign-loops, -malign-jumps and -malign-functions.
733 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
736 * config/i386/i386.md: Restrict the new peephole2 to move
737 between the general purpose registers.
739 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
742 * config/i386/i386.c (type_natural_mode): Add a new argument.
743 Return the original mode and warn ABI change if vector size is 32byte.
744 (function_arg_advance): Updated.
745 (function_arg): Likewise.
746 (ix86_function_value): Likewise.
747 (ix86_return_in_memory): Likewise.
748 (ix86_sol10_return_in_memory): Likewise.
749 (ix86_gimplify_va_arg): Likewise.
750 (function_arg_32): Don't warn ABX ABI change here.
751 (function_arg_64): Likewise.
753 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
755 * loop-iv.c (implies_p): In the final case, test that operands 0
756 of the two comparisons match.
758 * config/bfin/bfin.c (find_prev_insn_start): New function.
759 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
760 (find_next_insn_start): Move.
762 2009-02-13 Richard Guenther <rguenther@suse.de>
764 * configure.ac: Enable LFS.
765 * configure: Re-generate.
766 * config.in: Likewise.
768 2009-02-13 Joseph Myers <joseph@codesourcery.com>
771 * c-parser.c (c_parser_parms_list_declarator): Discard pending
772 sizes on syntax error after some arguments have been parsed.
774 2009-02-12 Jakub Jelinek <jakub@redhat.com>
776 * doc/invoke.texi (-fira): Remove.
778 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
780 * caller-save.c: Replace regclass.c with reginfo.c in comments.
784 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
786 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
787 (umul_ppmm): Likewise.
788 (count_leading_zeros): Likewise.
789 (count_trailing_zeros): Likewise.
790 (UMUL_TIME): Likewise.
792 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
794 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
795 soft-fp/t-softfp to tmake_file.
797 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
798 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
799 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
800 IA64_BUILTIN_INFQ]: New.
801 (ia64_init_builtins): Initialize __builtin_infq,
802 __builtin_fabsq and __builtin_copysignq if not HPUX.
803 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
804 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
806 * config/ia64/lib1funcs.asm (__divtf3): Define only if
808 (__fixtfti): Likewise.
809 (__fixunstfti): Likewise.
810 (__floattitf): Likewise.
812 * config/ia64/libgcc-glibc.ver: New.
813 * config/ia64/t-fprules-softfp: Likewise.
814 * config/ia64/sfp-machine.h: Likewise.
816 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
817 (LIBGCC2_TF_CEXT): Likewise.
819 (TARGET_INIT_LIBFUNCS): Likewise.
821 * config/ia64/t-glibc (SHLINB_MAPFILES):
822 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
824 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
826 * config/i386/i386.c (construct_container): Rewrite processing
827 BLKmode with X86_64_SSE_CLASS.
829 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
832 * config/i386/i386.md: Replace simplify_replace_rtx with
833 replace_rtx in the new peephole2.
835 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
837 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
838 loop unrolling do not happen at -O2.
840 2009-02-12 Michael Matz <matz@suse.de>
842 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
844 2009-02-12 Jakub Jelinek <jakub@redhat.com>
846 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
849 2009-02-12 Ben Elliston <bje@au.ibm.com>
851 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
852 patterns when updating the back chain. Missed in the 2009-02-10
855 2009-02-11 Janis Johnson <janis187@us.ibm.com>
857 * doc/extend.texi (Decimal Floating Types): Update identifier of
858 draft TR and list of missing support.
860 2009-02-11 Jakub Jelinek <jakub@redhat.com>
863 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
864 bit to variable length decl's flags, add it also to its
865 pointer replacement variable.
867 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
868 Jakub Jelinek <jakub@redhat.com>
871 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
872 (memory_blockage): New expander.
873 (*memory_blockage): New insn pattern.
874 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
875 instead of general blockage at the end of function prologue when
876 frame pointer is used to access red zone area. Do not emit blockage
877 when profiling, it is emitted in generic code.
878 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
879 function epilogue when frame pointer is used to access red zone area.
881 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
884 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
885 by arithmetic with memory operands.
886 * config/i386/predicates.md (commutative_operator): New.
888 2009-02-10 Janis Johnson <janis187@us.ibm.com>
890 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
893 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
895 * alias.h (record_alias_subset): Declare.
896 * alias.c (record_alias_subset): Make global.
898 2009-02-10 Nick Clifton <nickc@redhat.com>
900 * tree-parloops.c: Change license to GPLv3.
901 * ipa-struct-reorg.c: Change license to GPLv3.
902 * ipa-struct-reorg.h: Change license to GPLv3.
904 2009-02-10 Steve Ellcey <sje@cup.hp.com>
907 * c-decl.c (start_struct): Return NULL on error.
909 2009-02-10 Jakub Jelinek <jakub@redhat.com>
912 * cfgloopmanip.c (remove_path): Call remove_bbs after
913 cancel_loop_tree, not before it.
916 * function.h (struct function): Add has_local_explicit_reg_vars bit.
917 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
919 * tree-ssa-live.c (remove_unused_locals): Recompute
920 cfun->has_local_explicit_reg_vars.
921 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
922 copies or clearings if cfun->has_local_explicit_reg_vars.
924 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
927 * config/i386/i386.c (expand_prologue): Emit blockage at the end
928 of function prologue when frame pointer is used to access
931 2009-02-10 Richard Guenther <rguenther@suse.de>
934 * gimplify.c (gimple_regimplify_operands): Always look if
935 we need to create a temporary.
937 2009-02-10 Richard Guenther <rguenther@suse.de>
939 PR tree-optimization/39132
940 * tree-loop-distribution.c (todo): New global var.
941 (generate_memset_zero): Trigger TODO_rebuild_alias.
942 (tree_loop_distribution): Return todo.
944 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
947 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
948 (x86_64_reg_class_name): Removed.
949 (classify_argument): Return 0 if bytes > 32. Return 0 if the
950 first one isn't X86_64_SSE_CLASS or any other ones aren't
951 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
952 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
953 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
954 and 3 X86_64_SSEUP_CLASS.
955 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
956 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
958 2009-02-10 Ben Elliston <bje@au.ibm.com>
960 * config/rs6000/rs6000.md (allocate_stack): Always use an update
961 form instruction to update the stack back chain word, even if the
962 user has disabled the generation of update instructions.
963 (movdi_<mode>_update_stack): New.
964 (movsi_update_stack): Likewise.
965 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
966 always use an update form instruction to update the stack back
969 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
972 * graphite.c (if_region_set_false_region): After moving a region in
973 the false branch of a condition, remove the empty dummy basic block.
974 (gloog): Remove wrong fix for PR38953.
976 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
978 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
979 generation due to implicit sign extension.
981 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
984 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
985 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
987 2009-02-09 Richard Guenther <rguenther@suse.de>
990 * convert.c (convert_to_real): Disable (float)fn((double)x)
991 to fnf(x) conversion if errno differences may occur and
994 2009-02-07 Anatoly Sokolov <aesok@post.ru>
996 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
997 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
998 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1000 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1003 * c-common.c (handle_alias_attribute): Disallow attribute for
1004 anything not a FUNCTION_DECL or VAR_DECL.
1006 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1009 * real.c (do_compare): Special-case compare of zero against
1010 decimal float value.
1012 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1015 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1016 as indicating flexible array members unless the field itself is
1017 being declarared as the incomplete array.
1019 2009-02-06 Jan Hubicka <jh@suse.cz>
1021 PR tree-optimization/38844
1022 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1025 2009-02-06 Richard Guenther <rguenther@suse.de>
1028 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1029 fork because we may expand it as __gcov_fork.
1031 2009-02-06 Nick Clifton <nickc@redhat.com>
1033 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1035 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1037 PR tree-optimization/35659
1038 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1039 vn_phi_eq): Shortcut if hashcode does not match.
1040 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1042 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1043 and avoid iterative_hash_expr.
1044 (FOR_EACH_VALUE_ID_IN_SET): New.
1045 (value_id_compare): Remove.
1046 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1047 sort expressions by value id.
1049 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1052 * config/sh/predicates.md (general_movsrc_operand): Don't check
1053 the subreg of system registers here.
1055 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1058 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1061 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1063 PR rtl-optimization/39110
1064 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1065 addresses, not aligned ones.
1067 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1068 Richard Guenther <rguenther@suse.de>
1070 PR tree-optimization/39100
1071 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1072 comment says and add edges.
1074 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1077 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1078 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1080 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1082 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1083 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1084 register_bb_in_sese, new_sese, free_sese): Moved.
1085 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1086 outermost_loop_in_scop, build_scop_iteration_domain,
1087 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1088 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1089 Use loop_in_sese_p instead of loop_in_scop_p.
1090 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1091 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1092 (scopdet_basic_block_info): Fix bug in scop detection.
1093 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1094 eq_loop_to_cloog_loop): Remove.
1095 (nb_loops_around_loop_in_scop, nb_loop
1096 ref_nb_loops): Moved here...
1097 * graphite.h (ref_nb_loops): ... from here.
1098 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1099 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1100 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1101 * testsuite/gcc.dg/graphite/scop-19.c: New
1103 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1104 Hans-Peter Nilsson <hp@axis.com>
1106 PR rtl-optimization/37889
1107 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1108 Move offset handling from PLUS to before the switch. Use new
1109 arguments when considering SYMBOL_REFs too.
1110 (rtx_addr_can_trap_p): Pass dummy offset and size.
1111 (enum may_trap_p_flags): Remove.
1112 (may_trap_p_1): Pass size from MEM_SIZE.
1114 PR rtl-optimization/38921
1115 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1116 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1117 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1118 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1120 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1122 AVX Programming Reference (January, 2009)
1123 * config/i386/sse.md (*vpclmulqdq): New.
1125 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1127 PR tree-optimization/38977
1128 PR gcov-profile/38292
1129 * calls.c (special_function_p): Disregard __builtin_ prefix.
1131 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1133 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1134 non-indexable addresses even before reload.
1136 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1139 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1140 as having variable size. Do not give an error for unnamed
1141 parameters with [*] declarators. Give a warning for type names
1142 with [*] declarators and mark them as variable size.
1143 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1144 for sizeof applied to [*] type names.
1146 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1149 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1151 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1153 * gcc.c (process_command): Update copyright notice dates.
1154 * gcov.c (print_version): Likewise.
1155 * gcov-dump.c (print_version): Likewise.
1156 * mips-tfile.c (main): Likewise.
1157 * mips-tdump.c (main): Likewise.
1159 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1162 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1163 for composite type involving a zero-length array type.
1165 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1168 * function.c (match_asm_constraints_1): Skip over
1169 initial optional % in the constraint.
1172 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1173 supported, don't accept FIXED_CSTs.
1174 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1175 and _Sat is used without _Fract/_Accum. Set specs->type to
1176 integer_type_node for cts_fract/cts_accum if fixed point is not
1179 2009-02-02 Catherine Moore <clm@codesourcery.com>
1181 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1183 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1185 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1186 (ABI_HAS_64BIT_SYMBOLS): Use it.
1187 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1189 2009-02-02 Paul Brook <paul@codesourcery.com>
1191 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1193 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1196 * recog.h (asm_operand_ok): Add constraints argument.
1197 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1198 recurse on matching constraint.
1199 (check_asm_operands): Pass constraints as 3rd argument to
1200 asm_operand_ok. Don't look up matching constraint here.
1201 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1204 2009-02-02 Ben Elliston <bje@au.ibm.com>
1206 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1207 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1209 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1211 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1212 information. Remove some obsolete information. Reorganize.
1214 * config/pa/fptr.c: Revert license to GPL 2.
1215 * config/pa/milli64.S: Likewise.
1217 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1220 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1221 LIBRARY name in, instead of hard-coding it.
1222 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1223 extra target make frag to tmake_files according to EH model.
1224 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1225 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1226 frags that define makefile variable EH_MODEL appropriately.
1227 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1228 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1229 to "-sjlj" according to type of EH configured.
1230 (LIBGCC_SONAME): Concatenate it to shared library base name.
1231 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1232 to "_sjlj" according to type of EH configured.
1233 (LIBGCC_SONAME): Concatenate it to shared library base name.
1234 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1235 (SHLIB_LINK): Add missing semicolon to if-else construct.
1236 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1237 string value of "pe_dll" command-line option.
1238 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1239 (SHLIB_SONAME): Use it when overriding t-cygming default.
1240 (SHLIB_IMPLIB): Override t-cygming default.
1241 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1242 string value of "pe_dll" command-line option.
1244 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1247 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1248 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1250 2009-01-31 Richard Guenther <rguenther@suse.de>
1252 PR tree-optimization/38937
1253 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1254 computing the transitive closure.
1256 2009-01-30 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/39041
1259 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1260 Propagate variable indices only if the types match for this stmt.
1262 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1265 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1266 inline but never defined.
1268 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1270 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1271 (*insv_h_di_reg_extimm): New insn.
1272 (*insv_l<mode>_reg_extimm): New insn.
1274 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1276 * config/picochip/picochip.c (flag_conserve_stack): set
1277 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1278 fconserve-stack. Reduce call-overhead used by inliner.
1280 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1283 * common.opt (flag_conserve_stack): Initialised to zero.
1285 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1288 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1289 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1292 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1294 * ira-color.c (allocno_reload_assign): Update comments.
1295 * regmove.c (regmove_optimize): Likewise.
1299 2009-01-29 Robert Millan <rmh@aybabtu.com>
1301 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1302 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1303 `MD_UNWIND_SUPPORT'.
1304 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1306 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1308 PR tree-optimization/39007
1309 * tree-loop-distribution.c (generate_builtin): Use
1310 recompute_dominator to compute the immediate dominator of the
1311 basic block just after the loop.
1313 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1315 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1316 (ASM_OUTPUT_DWARF_PCREL): Define.
1318 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1320 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1321 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1322 global. Modify entries about regmove and IRA.
1324 * ra-conflict.c: Remove the file.
1326 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1328 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1329 (pass_regclass_init): Rename to pass_reginfo_init.
1331 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1333 * toplev.h (flag_ira): Remove.
1335 * caller-save.c (setup_save_areas): Remove flag_ira.
1337 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1339 * global.c: Remove the file.
1341 * opts.c: (decode_options): Remove flag_ira.
1343 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1345 * regmove.c: Modify file description.
1346 (find_use_as_address, try_auto_increment): Define them only if
1347 AUTO_INC_DEC is defined.
1348 (replacement_quality, replace_in_call_usage, fixup_match_1,
1349 stable_and_no_regs_but_for_p): Remove.
1350 (reg_set_in_bb): Make it static.
1351 (regmove_optimize): Remove flag_ira and code which worked for
1354 * local-alloc.c: Remove the file.
1356 * common.opt (fira): Remove.
1358 * ira.c: Include except.h.
1359 (eliminable_regset): Move from global.c.
1360 (mark_elimination): Ditto. Remove flag_ira.
1361 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1362 equiv_mem_modified, validate_equiv_mem_from_store,
1363 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1364 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1365 no_equiv, recorded_label_ref): Move from local-alloc.c.
1366 (update_equiv_regs): Ditto. Make it static.
1367 (print_insn_chain, print_insn_chains): Move it from global.c.
1368 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1369 (build_insn_chain): Ditto. Make it static.
1370 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1371 Rename to init_live_subregs.
1372 (gate_ira): Remove flag_ira.
1374 * regclass.c: Rename reginfo.c. Change file description.
1375 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1376 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1377 (init_reg_sets_1): Remove code for evaluation of
1378 reg_class_superclasses and losing_caller_save_reg_set.
1379 (init_regs): Remove init_reg_autoinc.
1380 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1381 ok_for_base_p_nonstrict): Remove.
1382 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1383 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1384 corresponding entries.
1385 (dump_regclass, record_operand_costs, scan_one_insn,
1386 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1387 record_address_regs, auto_inc_dec_reg_p): Remove.
1388 (gt-regclass.h): Rename to gt-reginfo.h.
1390 * rtl.h (dump_global_regs, retry_global_alloc,
1391 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1393 * Makefile.in (RA_H): Remove.
1394 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1395 Rename regclass.o to reginfo.o.
1396 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1398 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1399 (GTFILES): Rename regclass.c to reginfo.c.
1401 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1402 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1404 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1405 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1407 (finish_spills): Ditto. Remove code for !flag_ira.
1409 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1412 * doc/invoke.texi (rtl debug options): Complete rewrite.
1413 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1415 * mode-switching.c (pass_mode_switching): Rename pass from
1416 "mode-sw" to "mode_sw".
1417 * except.c (pass_convert_to_eh_ranges): Rename pass from
1418 "eh-ranges" to "eh_ranges".
1419 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1423 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1424 Alexander Monakov <amonakov@ispras.ru>
1427 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1429 (move_exprs_to_boundary): Change return type and pass through
1430 should_move from move_op. Relax assert. Update usage ...
1431 (schedule_expr_on_boundary): ... here. Use should_move instead of
1433 (move_op_orig_expr_found): Indicate that insn was disconnected from
1435 (code_motion_process_successors): Do not call after_merge_succs
1436 callback if original expression was not found when traversing any of
1438 (code_motion_path_driver): Change return type. Update prototype.
1439 (move_op): Update comment. Add a new parameter (should_move). Update
1440 prototype. Set *should_move based on indication provided by
1441 move_op_orig_expr_found.
1443 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1445 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1446 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1447 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1448 * config/rs6000/rs6000.c (rs6000_override_options): Default
1449 avoid-indexed-addresses on for Power6, off for everything else.
1450 (avoiding_indexed_address_p): New function.
1451 (rs6000_legitimize_address): Use it.
1452 (rs6000_legitimate_address): Likewise.
1453 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1455 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1457 PR tree-optimization/38997
1458 * tree-loop-distribution.c (generate_memset_zero): Use
1459 POINTER_PLUS_EXPR for a pointer addition.
1461 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1463 * config/s390/s390.md (bswap<mode>2): New pattern added.
1465 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1467 * config/s390/s390.md (*tls_load_31): Added type attribute.
1469 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1471 * config/s390/s390.md: Fix a few comments.
1473 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1475 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1476 (*tm<mode>_full): Fixed z10prop attribute.
1477 (*tst<mode>_extimm): Fixed z10prop attribute.
1478 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1479 (*tstqiCCT_cconly): Fixed z10prop attribute.
1480 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1481 (*movsi_larl): Fixed z10prop attribute.
1482 (*movsi_zarch): Fixed z10prop attribute.
1483 (*movsi_eas): Fixed z10prop attribute.
1484 (*movhi): Fixed z10prop attribute.
1485 (*movqi): Fixed z10prop attribute.
1486 (*movstrictqi): Fixed z10prop attribute.
1487 (*mov<mode>): Fixed z10prop attribute.
1488 (*movcc): Fixed z10prop attribute.
1489 (*sethighpartdi_64): Fixed z10prop attribute.
1490 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1491 (*negdi2_sign_cc): Fixed z10prop attribute.
1492 (*negdi2_sign): Fixed z10prop attribute.
1493 (*absdi2_sign_cc): Fixed z10prop attribute.
1494 (*absdi2_sign): Fixed z10prop attribute.
1495 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1496 (*negabsdi2_sign): Fixed z10prop attribute.
1497 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1498 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1499 (doloop_si64): Fixed z10prop attribute.
1500 (doloop_si31): Fixed z10prop attribute.
1501 (doloop_long): Fixed z10prop attribute.
1502 (indirect_jump): Fixed z10prop attribute.
1503 (nop): Fixed z10prop attribute.
1504 (main_base_64): Fixed z10prop attribute.
1505 (reload_base_64): Fixed z10prop attribute.
1507 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1509 PR rtl-optimization/38740
1510 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1512 * config/mips/mips.c (mips_reorg): Likewise.
1514 2009-01-28 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/38926
1517 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1518 with the correct value id to a value.
1519 (do_regular_insertion): Use the value number of edoubleprime
1520 for the value number of the expr.
1523 2008-08-21 Richard Guenther <rguenther@suse.de>
1525 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1526 a PHI ask VN if it is already available.
1527 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1528 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1530 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1533 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1534 set to varying whenever max has TREE_OVERFLOW set, similarly
1535 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1537 2009-01-28 Richard Guenther <rguenther@suse.de>
1540 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1541 uninitialized aggregate uses in call arguments.
1543 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1545 PR tree-optimization/38984
1546 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1547 the nothing_id variable if -fno-delete-null-pointer-checks.
1549 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1552 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1553 (set_got_offset_rex64): Ditto.
1555 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1558 * doc/extend.texi: Improve local variable with asm reg.
1560 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1562 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1563 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1564 was not supplied then set warn_packed_bitfield_compat to the
1566 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1569 2009-01-27 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/38503
1572 * cfgexpand.c (expand_gimple_basic_block): Ignore
1573 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1574 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1575 variables that cannot have TBAA applied.
1576 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1579 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1582 * calls.c (initialize_argument_information): Do not wrap complex
1583 arguments in SAVE_EXPR.
1585 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1587 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1588 (INSTALL_LIBGCC): Revert typo commit.
1590 2009-01-26 Richard Guenther <rguenther@suse.de>
1592 PR tree-optimization/38745
1593 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1594 from special handling.
1596 2009-01-26 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/38745
1599 * tree-ssa.c (execute_update_addresses_taken): Do not include
1600 variables that cannot possibly be a register in not_reg_needs.
1601 Do not clear TREE_ADDRESSABLE on vars that may not become
1603 * tree-ssa.c (update_alias_info_1): Include those in the set
1604 of addressable vars.
1606 2009-01-26 Richard Guenther <rguenther@suse.de>
1609 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1610 * tree-ssa-dse.c: Include langhooks.h
1611 (execute_simple_dse): Remove stores with zero size.
1613 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1616 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1619 2009-01-24 Julian Brown <julian@codesourcery.com>
1621 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1622 config/arm/linux-atomic.c.
1623 * config/arm/linux-atomic.c: New.
1625 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1627 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1628 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1629 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1631 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1634 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1637 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1639 PR tree-optimization/38953
1640 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1641 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1642 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1643 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1646 2009-01-24 Paul Brook <paul@codesourcery.com>
1648 * config/arm/neon.md (neon_type): Move to arm.md.
1649 (neon_mov<VSTRUCT>): Add neon_type attribute.
1650 * config/arm/arm.md (neon_type): Move to here.
1651 (conds): Add "unconditioal" and use as default for NEON insns.
1653 2009-01-24 Ben Elliston <bje@au.ibm.com>
1655 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1656 void *' warning from -Wc++-compat.
1657 * Makefile.in (dominance.o-warn): Remove.
1659 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1661 PR tree-optimization/38932
1662 * fold-const.c (fold_unary_ignore_overflow): New.
1663 * tree.h (fold_unary_ignore_overflow): Declare.
1664 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1665 * tree-ssa-sccvn.c (visit_reference_op_load,
1666 simplify_unary_expression): Likewise.
1668 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1670 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1671 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1672 regardless of their type.
1673 * c-common.c (handle_packed_attribute): Don't ignore packed on
1675 * c.opt (Wpacked-bitfield-compat): New warning option.
1676 * stor-layout.c (place_field): Warn if offset of a field changed.
1677 * doc/extend.texi (packed): Mention the ABI change.
1678 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1679 (Warning Options): Add it to the list.
1681 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1683 * c-opts.c (c_common_post_options): Fix a typo in comments.
1685 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1688 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1689 variables to static.
1690 * doc/invoke.texi (-fmerge-all-constants): Update description.
1692 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1695 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1696 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1698 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1700 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1702 (LOCAL_ALIGNMENT): Similarly.
1704 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1705 Joseph Myers <joseph@codesourcery.com>
1707 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1708 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1709 * config/arm/arm-tune.md: Regenerate.
1710 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1713 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1715 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1716 version number to five.
1718 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1721 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1722 * c-common.c (set_underlying_type): Likewise.
1723 (is_typedef_decl ): Likewise
1725 (set_underlying_type): Likewise.
1726 (is_typedef_type): Likewise.
1728 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1731 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1734 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1737 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1738 (LIBGCC_SPEC): Don't define.
1739 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1741 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1743 PR rtl-optimization/38879
1744 * alias.c (base_alias_check): Unaligned access via AND address can
1745 alias all surrounding object types except those with sizes equal
1746 or wider than the size of unaligned access.
1748 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1751 * c-decl.c: (clone_underlying_type): Move this ...
1752 * c-common.c (set_underlying_type): ... here.
1753 Also, make sure the function properly sets TYPE_STUB_DECL() on
1754 the newly created typedef variant type.
1755 (is_typedef_decl ): New entry point.
1756 * tree.h: Added a new member member_types_needing_access_check to
1757 struct tree_decl_non_common.
1758 (set_underlying_type): New entry point.
1759 (is_typedef_type): Likewise.
1761 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1763 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1764 Check whether two instructions have memory references that
1765 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1766 are helper functions for traversing.
1767 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1768 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1769 not to draw dependency edge for instructions with non-conflicting
1772 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1775 * longlong.h: Update copyright years. Use soft-fp license notice.
1776 Sync __clz_tab declaration with glibc.
1778 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1781 * doc/extend.texi (syscall_linkage): New.
1782 (version_id): Modify.
1784 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1785 Richard Guenther <rguenther@suse.de>
1787 PR tree-optimization/38747
1788 PR tree-optimization/38748
1789 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1790 conversion if the base address is an indirect reference and the
1791 aliasing sets could cause issues.
1793 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1795 * common.opt (fgraphite, fgraphite-identity): Add comment for
1796 explaining why these options are not documented.
1798 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1800 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1801 gimple_call_lhs is NULL.
1803 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1806 * emit-rtl.c (adjust_address_1): Make sure memref is never
1809 2009-01-20 Ben Elliston <bje@au.ibm.com>
1811 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1812 const qualifier from arg parameter. Remove unnecessary cast to char *.
1813 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1814 const qualifier from arg 2.
1816 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1818 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1820 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1823 * rtl.h (reinit_regs): New prototype.
1824 * regclass.c: Include ira.h.
1826 * Makefile.in (regclass.o): Add ira.h.
1827 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1829 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1832 * c-common.c (handle_aligned_attribute): Use
1833 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1834 default alignment value.
1836 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1838 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1839 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1841 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1842 __BIGGEST_ALIGNMENT__.
1844 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1846 2009-01-18 Richard Guenther <rguenther@suse.de>
1848 PR tree-optimization/38819
1849 * tree-flow.h (operation_could_trap_helper_p): Declare.
1850 * tree-eh.c (operation_could_trap_helper_p): Export.
1851 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1852 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1853 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1854 are about to insert a possibly trapping instruction and fail
1857 2009-01-18 Andreas Schwab <schwab@suse.de>
1859 * doc/install.texi (Configuration): Remove obsolete paragraph
1860 about use of --with-gnu-ld with --with-gnu-as.
1862 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1864 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1865 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1866 Follow spelling conventions.
1868 2009-01-18 Ben Elliston <bje@au.ibm.com>
1870 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1871 C++ warning about implicit conversion from void * to struct
1873 (bitmap_obstack_free): Likewise for bitmap_element *.
1874 * Makefile.in (bitmap.o-warn): Remove.
1876 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1878 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1880 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1881 Tobias Grosser <tobi.grosser@amd.com>
1883 * graphite.c (graphite_trans_scop_block): Do not block single
1886 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1888 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1889 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1890 test with assertion.
1892 2009-01-16 Richard Guenther <rguenther@suse.de>
1894 PR tree-optimization/38835
1896 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1897 and INT + PTR -> (INT)(PTR p+ INT) folding.
1898 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1900 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1903 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1904 the subreg from a lowpart subreg if it is also casting the value.
1906 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1907 Tobias Grosser <tobi.grosser@amd.com>
1909 * graphite.c (compare_prefix_loops): New.
1910 (build_scop_canonical_schedules): Rewritten.
1911 (graphite_transform_loops): Move build_scop_canonical_schedules
1912 after build_scop_iteration_domain.
1914 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1915 Tobias Grosser <tobi.grosser@amd.com>
1917 * graphite.c (add_conditions_to_domain): Add the loops to
1918 the dimension of the iteration domain. Do copy the domain
1919 only when it exists.
1920 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1921 (add_conditions_to_constraints): New.
1922 (can_generate_code_stmt, can_generate_code): Removed.
1923 (gloog): Do not call can_generate_code.
1924 (graphite_transform_loops): Call add_conditions_to_constraints
1925 after building the iteration domain.
1927 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1929 PR tree-optimization/38789
1930 * tree-ssa-threadedge.c
1931 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1932 __builtin_constant_p.
1934 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1936 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1937 examined before deleting them.
1939 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1941 * function.c (aggregate_value_p): Correctly extract the function
1942 type from CALL_EXPR_FN lookup.
1944 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1946 * config/picochip/picochip.c (picochip_override_options): Revert
1947 CFI asm flag disable commited previously.
1949 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1950 Tobias Grosser <tobi.grosser@amd.com>
1951 Jan Sjodin <jan.sjodin@amd.com>
1953 * graphite.c (scan_tree_for_params): On substractions negate
1954 all the coefficients of the term.
1955 (clast_to_gcc_expression_red): New. Handle reduction expressions
1956 of more than two operands.
1957 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1958 (get_vdef_before_scop): Handle also the case of default definitions.
1960 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1962 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1963 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1964 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1966 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1967 Joey Ye <joey.ye@intel.com>
1970 * cfgexpand.c (expand_stack_alignment): Don't update stack
1971 boundary nor check incoming stack boundary here.
1972 (gimple_expand_cfg): Update stack boundary and check incoming
1973 stack boundary here.
1975 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1977 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1979 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1981 PR rtl-optimization/38245
1982 * calls.c (expand_call): Add stack arguments to
1983 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1984 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1985 in regs and partially in memory or BLKmode arguments.
1986 (emit_library_call_value_1): Add stack arguments to
1987 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1988 ACCUMULATE_OUTGOING_ARGS).
1989 * dce.c: Include tm_p.h.
1990 (find_call_stack_args): New function.
1991 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1993 (mark_insn): Call find_call_stack_args for CALL_Ps.
1994 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1995 forwards. Allocate and free arg_stores bitmap if needed, pass it
1996 down to deletable_insn_p, don't mark stores set in arg_stores
1997 bitmap, clear the bitmap at the beginning of each bb.
1998 * Makefile.in (dce.o): Depend on $(TM_P_H).
2000 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2003 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2004 to make sure the insn is a conditional test (bug 22599). Reformat a
2007 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2010 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2011 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2012 (gloog): Do not call cleanup_tree_cfg.
2013 (graphite_transform_loops): Call cleanup_tree_cfg after all
2014 scops have been code generated.
2016 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2017 * doc/gty.texi (Invoking the garbage collector): Added new node
2018 and section documenting ggc_collect.
2020 2009-01-14 Richard Guenther <rguenther@suse.de>
2022 PR tree-optimization/38826
2024 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2025 initialization notes only if we actually emitted a warning.
2026 (intra_create_variable_infos): Add constraints for a result decl
2027 that is passed by hidden reference.
2028 (build_pred_graph): Mark all related variables non-direct on
2031 2009-01-14 Nick Clifton <nickc@redhat.com>
2033 * ira-conflicts.c: Include addresses.h for the definition of
2035 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2036 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2038 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2041 * Makefile.in (ira-lives.o): Add except.h.
2043 * ira-lives.c: Include except.h.
2044 (process_bb_node_lives): Process can_throw_internal.
2046 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2048 PR rtl-optimization/38774
2049 * combine.c (simplify_set): When undoing cc_use change, don't do
2050 PUT_CODE on the newly created comparison, but instead put back the
2053 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2055 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2056 values. Remove duplicate arm8 entry.
2058 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2060 PR tree-optimization/38786
2061 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2062 the SSA_NAME case of expand_scalar_variables_expr.
2063 Set the type of an expression to the type of its assign statement.
2064 (expand_scalar_variables_expr): Also gather the scalar computation
2065 used to index the memory access. Do not pass loop_p.
2066 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2067 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2068 the gimple_stmt_iterator where it inserts new code.
2070 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2071 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2073 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2075 * graphite.h (debug_value): Removed.
2076 * graphite.c (debug_value): Removed.
2078 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2080 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2081 ldrd/strd with two 32-bit instructions.
2083 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2085 * config/arm/arm.c (struct processors): Pass for speed down into
2086 cost helper functions.
2087 (const_ok_for_op): Handle COMPARE and inequality nodes.
2088 (arm_rtx_costs_1): Rewrite.
2089 (arm_size_rtx_costs): Update prototype.
2090 (arm_rtx_costs): Pass speed down to helper functions.
2091 (arm_slowmul_rtx_costs): Rework cost calculations.
2092 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2093 (arm_9e_rtx_costs): Likewise.
2095 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2097 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2098 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2099 (alpha_legitimize_address): Do not split local symbols wider than
2100 UNITS_PER_WORD into HIGH/LO_SUM parts.
2102 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2105 * gcc.c (process_command): Replace call to execvp with calls
2106 to pex_one and exit.
2108 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2111 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2112 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2113 variant for devices with 3-byte PC.
2114 (__tablejump_elpm__) : New.
2116 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2119 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2120 offsetof member-designator, handle it as `[0].'.
2122 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2124 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2125 function when not using named sections on targets with named sections
2126 if branch distance is less than 262132.
2128 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2130 * combine.c (combine_instructions): Recompute
2131 optimize_this_for_speed_p for each BB in the main combine loop.
2133 2009-01-12 Tomas Bily <tbily@suse.cz>
2136 * tree-loop-distribution.c (prop_phis): New function.
2137 (generate_builtin): Call prop_phis.
2138 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2140 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2142 PR tree-optimization/38807
2143 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2144 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2146 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2148 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2149 subreg of op0 to the original op0.
2151 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2153 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2155 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2158 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2159 starting with digits.
2161 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2164 * config/arm/arm.c (arm_is_long_call_p): Don't call
2165 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2167 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2169 * regrename.c (regrename_optimize): Fix dumping.
2170 (find_oldest_value_reg): Preserve REG_POINTER.
2171 (copy_hardreg_forward_1): Likewise.
2173 2009-01-09 Diego Novillo <dnovillo@google.com>
2175 * gimple.h (struct gimple_statement_base) <uid>: Document
2176 the restrictions on its use.
2178 (gimple_set_uid): Tidy.
2180 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2182 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2183 zero guard even if align_bytes != 0 and count is smaller than
2186 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2188 PR rtl-optimization/38495
2189 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2190 (add_range_and_copies_from_move_list): Print all added ranges.
2191 Add ranges to memory optimized destination.
2193 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2197 * config/i386/i386.c (override_options): Reject
2198 -mstringop-strategy=rep_8byte with -m32.
2199 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2200 to 1. Do count comparison against epilogue_size_needed at compile
2201 time even when count_exp was constant forced into register. For
2202 size_needed don't jump to epilogue, instead just avoid aligning
2203 and invoke the body algorithm. If need_zero_guard, add zero guard
2204 even if count is non-zero, but smaller than size_needed + number of
2205 bytes that could be stored for alignment.
2206 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2207 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2208 but smaller than size_needed + number of bytes that could be stored
2209 for alignment. Compare size_needed with epilogue_size_needed instead
2210 of desired_align - align, don't adjust size_needed, pass
2211 epilogue_size_needed to the epilogue expanders.
2214 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2216 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2218 * pa.c (last_address): Change to unsigned.
2219 (update_total_code_bytes): Change argument to unsigned. Don't
2220 check if insn addresses are set.
2221 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2222 addresses are not set.
2223 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2225 2009-01-09 Nick Clifton <nickc@redhat.com>
2227 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2228 DECL_DECLARED_INLINE_P.
2230 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2233 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2234 GET_MODE (op0) in operand_subword_force calls.
2237 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2238 fold_convert arg0 operands to TREE_TYPE (op0) first.
2240 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2242 * params.def (ira-max-conflict-table-size): Decrease default value
2245 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2247 PR tree-optimization/37031
2248 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2250 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2251 allocate it using gc instead of heap, use VEC_quick_push instead of
2253 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2254 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2255 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2256 allocated vector from heap allocated.
2257 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2258 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2259 vector only after perfect_loop_nest_depth call.
2261 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2262 Jan Sjodin <jan.sjodin@amd.com>
2264 PR tree-optimization/38559
2265 * graphite.c (debug_value, copy_constraint,
2266 swap_constraint_variables, scale_constraint_variable, ): New.
2267 (get_lower_bound, get_upper_bound): Removed.
2268 (graphite_trans_bb_strip_mine): Clean up this code that works
2269 only for constant number of iterations. Fully copy upper and
2270 lower bound constraints, not only the constant part of them.
2271 * graphite.h (debug_value): Declared.
2273 2009-01-08 Ira Rosen <irar@il.ibm.com>
2275 PR tree-optimization/37194
2276 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2277 Don't add the cost of cost model guard in prologue to scalar
2278 outside cost in case of known number of iterations.
2280 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2281 Alan Modra <amodra@bigpond.net.au>
2283 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2284 non-word-aligned REG+CONST addressing.
2286 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2289 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2290 free_after_compilation when outputting a thunk.
2291 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2292 Do not call free_after_compilation here.
2294 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2296 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2297 (ix86_valid_target_attribute_inner_p): Ditto.
2299 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2301 PR tree-optimization/38492
2302 PR tree-optimization/38498
2303 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2304 * tree-chrec.h (scev_is_linear_expression): Declared.
2305 * graphite.c (graphite_cannot_represent_loop_niter): New.
2306 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2307 (graphite_loop_normal_form): Use gcc_assert.
2308 (scan_tree_for_params): Use CASE_CONVERT.
2309 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2310 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2311 Use gcc_assert. Discard scops that contain unhandled cases.
2312 (build_scop_conditions): Return a boolean status for unhandled cases.
2313 (strip_mine_profitable_p): Print the loop number, not its depth.
2314 (is_interchange_valid): Pass the depth of the loop nest, don't
2315 recompute it wrongly.
2316 (graphite_trans_bb_block): Same.
2317 (graphite_trans_bb_block): Print tentative of loop blocking.
2318 (graphite_trans_scop_block): Do not print that the loop has been
2320 (graphite_transform_loops): Do not handle scops that contain condition
2323 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2325 AVX Programming Reference (December, 2008)
2326 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2327 (_mm256_stream_pd): Likewise.
2328 (_mm256_stream_ps): Likewise.
2330 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2331 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2332 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2333 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2334 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2335 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2336 (ix86_expand_special_args_builtin): Likewise.
2338 * config/i386/sse.md (AVXMODEDI): New.
2339 (avx_movnt<mode>): Likewise.
2340 (avx_movnt<mode>): Likewise.
2341 (<sse>_movnt<mode>): Remove AVX support.
2342 (sse2_movntv2di): Likewise.
2344 2009-01-07 Richard Guenther <rguenther@suse.de>
2347 * fold-const.c (extract_muldiv): Remove obsolete comment.
2348 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2349 to PLUS_EXPR canonicalization for the canonicalization.
2351 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2353 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2354 hosted cross-compilers generating less efficient code.
2356 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2358 * function.h (rtl_data): Add a dbr_scheduled_p field.
2359 * reorg.c (dbr_schedule): Set it.
2360 (gate_handle_delay_slots): Check it.
2361 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2362 (mips_reorg): Check flag_delayed_branch instead of
2363 mips_base_delayed_branch.
2364 (mips_override_options): Don't set mips_base_delayed_branch
2365 or flag_delayed_branch.
2367 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2369 PR rtl-optimization/38426.
2370 * ira.c (ira): Set current_function_is_leaf earlier.
2372 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2374 PR rtl-optimization/38722
2375 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2376 too early, only set a flag and modify after last possible
2379 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2382 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2383 * real.c (decimal_single_format): Correct values of emin and emax.
2384 (decimal_double_format): Ditto.
2385 (decimal_quad_format): Ditto.
2386 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2387 computation of DECnn_MIN and DECnn_MAX for corrected values of
2388 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2389 __DECnn_MIN__, and adjust its computation for the corrected value
2392 2009-01-06 Jan Hubicka <jh@suse.cz>
2395 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2397 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2399 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2400 Add Robert Clark to the list of testers.
2402 2009-01-06 Jan Hubicka <jh@suse.cz>
2403 Kai Tietz <kai.tietz@onevision.com>
2405 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2406 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2408 2009-01-06 Jan Hubicka <jh@suse.cz>
2409 Kai Tietz <kai.tietz@onevision.com>
2411 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2413 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2414 (ix86_nsaved_regs): Count only general purpose regs.
2415 (ix86_nsaved_sseregs): New.
2416 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2417 to 16 for w64; compute padding and size of sse reg save area.
2418 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2419 general purpose regs.
2420 (ix86_emit_save_sse_regs_using_mov): New.
2421 (ix86_expand_prologue): Save SSE regs if needed.
2422 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2423 (ix86_emit_restore_sse_regs_using_mov): New.
2424 (ix86_expand_epilogue): Save SSE regs if needed.
2426 2009-01-06 Jan Hubicka <jh@suse.cz>
2427 Kai Tietz <kai.tietz@onevision.com>
2429 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2430 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2431 functions when accumulate outgoing args is off.
2433 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2436 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2437 before using pseudos_have_intersected_live_ranges_p.
2439 * ira-int.h (ira_assert): Always define.
2441 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2443 AVX Programming Reference (December, 2008)
2444 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2445 (_mm256_permute2_pd): Likewise.
2446 (_mm_permute2_ps): Likewise.
2447 (_mm256_permute2_ps): Likewise.
2448 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2449 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2451 * config/i386/i386.c (ix86_builtins): Remove
2452 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2453 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2454 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2455 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2456 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2457 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2458 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2459 __builtin_ia32_vpermil2ps256.
2460 (ix86_init_mmx_sse_builtins): Updated.
2461 (ix86_expand_args_builtin): Likewise.
2463 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2465 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2466 long absolute calls when generating PA 2.0 code.
2468 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2470 PR rtl-optimization/38583
2471 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2473 * params.def (ira-max-conflict-table-size): New.
2475 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2477 * ira.h (ira_conflicts_p): New external definition.
2479 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2480 table. Report this. Return result of building.
2481 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2482 building conflict table.
2484 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2485 (ira_color): Use ira_conflicts_p.
2487 * global.c: Include ira.h.
2488 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2491 * Makefile.in (global.o): Add ira.h.
2493 * ira-build.c (mark_all_loops_for_removal,
2494 propagate_some_info_from_allocno): New.
2495 (remove_unnecessary_allocnos): Call
2496 propagate_some_info_from_allocno.
2497 (remove_low_level_allocnos): New.
2498 (remove_unnecessary_regions): Add parameter. Call
2499 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2500 parameter to remove_unnecessary_regions.
2501 (ira_build): Remove all regions but root if the conflict table was
2502 not built. Update conflict hard regs for allocnos crossing calls.
2504 * ira.c (ira_conflicts_p): New global.
2505 (ira): Define and use ira_conflicts_p.
2507 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2508 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2509 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2511 2009-01-06 Ben Elliston <bje@au.ibm.com>
2513 * gengtype-lex.l (YY_NO_INPUT): Define.
2515 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2518 * c-common.c (handle_vector_size_attribute): Also reject
2521 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2523 PR tree-optimization/38492
2524 * graphite.c (rename_map_elt, debug_rename_elt,
2525 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2526 rename_map_elt_info, eq_rename_map_elts,
2527 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2528 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2529 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2530 (sese_build_livein_liveouts): New.
2531 (new_sese, free_sese): New.
2532 (new_scop): Call new_sese.
2533 (free_scop): Call free_sese.
2534 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2535 (register_old_new_names): Renamed register_old_and_new_names.
2536 (register_scop_liveout_renames, add_loop_exit_phis,
2537 insert_loop_close_phis, struct igp,
2538 default_liveout_before_guard, add_guard_exit_phis,
2539 insert_guard_phis, copy_renames): New.
2540 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2541 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2542 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2543 (scop_adjust_phis_for_liveouts): New.
2544 (gloog): Call scop_adjust_phis_for_liveouts.
2546 * graphite.h (struct sese): Documented. Added fields liveout,
2548 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2549 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2550 (struct scop): Added field liveout_renames.
2551 (SCOP_LIVEOUT_RENAMES): New.
2553 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2555 PR tree-optimization/38510
2556 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2557 (translate_clast): Call recompute_all_dominators before
2559 (gloog): Call recompute_all_dominators before graphite_verify.
2561 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2562 Jan Sjodin <jan.sjodin@amd.com>
2564 PR tree-optimization/38500
2565 * graphite.c (create_sese_edges): Call fix_loop_structure after
2568 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2570 * config.gcc: Add m32r*-*-rtems*.
2571 * config/m32r/rtems.h: New file.
2573 2009-01-05 Ben Elliston <bje@au.ibm.com>
2575 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2576 (.po.pox): Likewise.
2577 (po/gcc.pot): Likewise.
2579 2009-01-04 David S. Miller <davem@davemloft.net>
2581 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2582 (STARTING_FRAME_OFFSET): Always set to zero.
2584 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2586 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2587 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2588 fixed-point types, and vectors of the same.
2590 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2592 * config/mips/sync.md (*mb_barrier): Rename to...
2593 (*memory_barrier): ...this.
2595 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2597 * doc/extend.texi (Function Attributes): Move @cindex after @item
2598 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2599 and put in alphabetical order. Fix 'target' name and put in order.
2600 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2603 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2605 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2606 (memory_barrier): Expand as unspec instead of unspec_volatile.
2607 Remove mem:BLK from insn operands. Use Pmode scratch register.
2608 (*memory_barrier): Define as unspec instead of unspec_volatile.
2609 Use (match_dup 0) as input operand.
2611 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2612 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2613 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2614 scratch register. Remove operand 1.
2615 (*stbar): Define as unspec instead of unspec_volatile.
2616 Use (match_dup 0) as input operand, remove (const_int 8).
2617 (*membar): Define as unspec instead of unspec_volatile.
2618 Use (match_dup 0) as input operand, remove input operand 2.
2620 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2621 (memory_barrier): Expand as unspec instead of unspec_volatile.
2622 Remove mem:BLK from insn operands. Use Pmode scratch register.
2623 (*memory_barrier): Define as unspec instead of unspec_volatile.
2624 Use (match_dup 0) as input operand.
2626 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2627 Remove mem:BLK from insn operands. Use Pmode scratch register.
2628 Set volatile flag on operand 0.
2629 (*memory_barrier): New insn pattern.
2631 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2633 (*memory_barrier): Use (match_dup 0) as input operand.
2635 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2636 Remove mem:BLK from insn operands. Use Pmode scratch register.
2637 Set volatile flag on operand 0.
2638 (*mb_internal): New insn pattern.
2640 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2642 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2645 * function.c (struct temp_slot): Move to the section of the file
2646 that deals with temp slots. Remove field 'address'.
2647 (temp_slot_address_table): New hash table of address -> temp slot.
2648 (struct temp_slot_address_entry): New struct, items for the table.
2649 (temp_slot_address_compute_hash, temp_slot_address_hash,
2650 temp_slot_address_eq, insert_temp_slot_address): Support functions
2652 (find_temp_slot_from_address): Rewrite to use the new hash table.
2653 (remove_unused_temp_slot_addresses): Remove addresses of temp
2654 slots that have been made available.
2655 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2656 worker function for remove_unused_temp_slot_addresses.
2657 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2658 Add the temp slot address to the address -> temp slot map.
2659 (update_temp_slot_address): Update via insert_temp_slot_address.
2660 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2661 (pop_temp_slots): Likewise.
2662 (init_temp_slots): Allocate the address -> temp slot map, or empty
2663 the map if it is already allocated.
2664 (prepare_function_start): Initialize temp slot processing.
2666 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2669 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2670 Calculate the size of all stack vars assuming no packing of stack
2671 vars will happen, replacing a quadratic algorithm with a linear one.
2673 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2676 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2679 2009-01-03 Diego Novillo <dnovillo@google.com>
2681 * doc/contrib.texi: Update contributions.
2683 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2686 * builtins.c (fold_builtin_memory_op): Give up if either operand
2687 is volatile. Set srctype or desttype to non-qualified version
2691 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2694 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2696 PR rtl-optimization/35805
2697 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2698 problem if fast dce is able to remove any instructions.
2699 * dce.c (dce_process_block): Fix dump message.
2701 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2704 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2706 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2709 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2710 * tree-pretty-print.c (op_code_prio): New function.
2711 (op_prio): No longer static. Use op_code_prio.
2712 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2713 Use op_prio and op_code_prio to determine if () should be
2714 printed around operand(s) or not.
2716 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2717 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2718 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2719 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2720 pp_character instead of pp_string for single letter printing.
2722 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2724 * doc/extend.texi: Fix '#pragma GCC option' typo.
2726 2009-01-02 Richard Guenther <rguenther@suse.de>
2728 * doc/install.texi (--enable-checking): Mention different
2730 (--enable-stage1-checking): Document.
2732 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2735 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2736 case to be an error.
2738 2009-01-02 Ben Elliston <bje@au.ibm.com>
2740 * config/fp-bit.h (pack_d): Constify argument.
2741 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2742 (isnan): Constify argument.
2746 (_fpadd_parts): Constify return type.
2747 (_fpmul_parts): Likewise.
2748 (_fpdiv_parts): Likewise.
2750 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2753 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2754 warn about overwriting initializer with side-effects or
2755 -Woverride-init if !IMPLICIT.
2756 (output_init_element): Likewise. Pass IMPLICIT down to
2758 (process_init_element): Add IMPLICIT argument. Pass it down
2759 to output_init_element.
2760 (push_init_element, pop_init_level, set_designator): Adjust
2761 process_init_element callers.
2762 (set_nonincremental_init, set_nonincremental_init_from_string):
2763 Adjust add_pending_init callers.
2764 (output_pending_init_elements): Adjust output_init_element callers.
2765 * c-tree.h (process_init_element): Adjust prototype.
2766 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2767 process_init_element callers.
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