1 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3 * genpreds.c: (needs_variable): Fix parentheses at variable name
5 (write_tm_constrs_h): Indent generated code.
7 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
9 * doc/extend.texi (Function Attributes): Add documentation
12 2009-03-06 Jakub Jelinek <jakub@redhat.com>
15 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
16 take locus from its DECL_SOURCE_LOCATION instead of input_location.
18 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
20 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
23 2009-03-05 Jakub Jelinek <jakub@redhat.com>
26 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
27 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
29 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
31 * config/i386/i386.md (R8_REG, R9_REG): New constants.
32 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
33 constants instead of magic numbers.
34 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
36 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
37 (x86_64_ms_abi_int_parameter_registers): Ditto.
38 (x86_64_int_return_registers): Ditto.
39 (ix86_expand_call): Ditto for clobbered_registers array.
40 (ix86_hard_regno_mode_ok): Ditto.
41 (x86_extended_QIreg_mentioned_p): Ditto.
43 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
45 PR tree-optimization/39349
46 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
48 * combine.c (gen_lowpart_for_combine): Use omode when generating
51 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
53 PR rtl-optimization/39235
54 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
56 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
58 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
60 2009-03-04 Richard Guenther <rguenther@suse.de>
62 PR tree-optimization/39362
63 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
64 that occur in abnormal PHIs should be varying.
66 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
68 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
70 (simple_iv): Take loop as an argument instead of statement.
71 * tree-scalar-evolution.h (simple_iv): Declaration changed.
72 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
74 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
76 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
77 * matrix-reorg.c (analyze_transpose): Ditto.
78 * tree-data-ref.c (dr_analyze_innermost): Ditto.
79 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
80 * tree-predcom.c (ref_at_iteration): Ditto.
81 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
83 2009-03-04 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/39358
86 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
87 escaped_id and callused_id.
88 (solve_graph): Likewise.
90 2009-03-04 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/39339
93 * tree-sra.c (try_instantiate_multiple_fields): Make it
94 no longer ICE on the above.
96 2009-03-03 Joseph Myers <joseph@codesourcery.com>
98 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
99 that fits within Pmode.
101 2009-03-03 Steve Ellcey <sje@cup.hp.com>
104 * tm.texi (LIBCALL_VALUE): Update description.
106 2009-03-03 Steve Ellcey <sje@cup.hp.com>
109 * doc/extend.texi (section): Update description.
111 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
114 * tree-inline.c (remapped_type): New.
115 (can_be_nonlocal): Call remapped_type instead of remap_type.
117 2009-03-03 Jakub Jelinek <jakub@redhat.com>
120 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
121 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
123 2009-03-03 Richard Guenther <rguenther@suse.de>
126 * tree.c (tree_nonartificial_location): New function.
127 * tree.h (tree_nonartificial_location): Declare.
128 * builtins.c (expand_builtin_memory_chk): Provide location
129 of the call location for artificial function pieces.
130 (maybe_emit_chk_warning): Likewise.
131 (maybe_emit_sprintf_chk_warning): Likewise.
132 (maybe_emit_free_warning): Likewise.
133 * expr.c (expand_expr_real_1): Likewise.
135 2009-03-03 Jakub Jelinek <jakub@redhat.com>
137 PR tree-optimization/39343
138 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
139 COMPONENT_REF t has ARRAY_TYPE.
141 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
144 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
145 when the type precision of the induction variable should be
146 larger than the type precision of nit.
147 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
148 * graphite.c (graphite_loop_normal_form): Same.
149 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
151 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
153 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
154 (*call_1_rex64_ms_sysv): Use named constants instead of magic
155 numbers to describe clobbered registers.
156 (*call_value_0_rex64_ms_sysv): Ditto.
157 * config/i386/mmx.md (mmx_emms): Ditto.
160 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
162 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
165 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
167 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
168 (spu_section_type_flags): New function.
170 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
172 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
173 reg_class_contents of FLOAT_REGS into a temporary.
175 2009-03-02 Richard Guenther <rguenther@suse.de>
176 Ira Rosen <irar@il.ibm.com>
178 PR tree-optimization/39318
179 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
180 information to the vectorized statement.
182 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
184 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
185 variable. Use defined names instead of magic constants for REX SSE
188 2009-03-01 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/39331
191 * omp-low.c (lower_send_shared_vars): Do not receive new
192 values for the reference of DECL_BY_REFERENCE parms or results.
194 2009-03-01 Jan Hubicka <jh@suse.cz>
197 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
198 BLOCK_NONLOCALIZED_VAR): New macros.
199 (tree_block): Add nonlocalized_vars.
200 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
201 gen_decl_die): Add origin argument. Allow generation of die with
203 (gen_member_die, gen_type_die_with_usage, force_decl_die,
204 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
206 (gen_block_die): Fix checking for unused blocks.
207 (process_scope_var): Break out from .... ; work with origins only.
208 (decls_for_scope) ... here; process nonlocalized list.
209 (dwarf2out_ignore_block): Look for nonlocalized vars.
210 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
212 (dump_scope_block): Dump them.
213 * tree-inline.c (remap_decls): Handle nonlocalized vars.
214 (remap_block): Likewise.
215 (can_be_nonlocal): New predicate.
216 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
218 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
220 * configure: Regenerate.
222 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
224 * optc-gen.awk: No need to duplicate option flags twice.
225 Reuse help texts for duplicate options which do not have
228 * gcc.c (display_help): Document --version.
230 * gcc.c (main): If print_help_list and verbose_flag, ensure
231 driver output comes before subprocess output.
233 * optc-gen.awk: Assign all remaining fields to help string,
234 space-separated, for multi-line help in *.opt.
236 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
237 -Wno-pedantic-ms-format is for MinGW targets only.
239 * doc/options.texi (Option file format): Fix bad indentation,
240 restoring dropped sentence.
242 2009-02-28 Jan Hubicka <jh@suse.cz>
244 * tree-inline.c (tree_function_versioning): Output debug info.
246 2009-02-28 Jan Hubicka <jh@suse.cz>
249 * tree-inline.c (setup_one_parameter): Do not copy propagate
250 arguments when not optimizing.
252 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
255 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
256 (avx_addsubv4df3): Likewise.
257 (*avx_addsubv4sf3): Likewise.
258 (sse3_addsubv4sf3): Likewise.
259 (*avx_addsubv2df3): Likewise.
260 (sse3_addsubv2df3): Likewise.
261 (avx_unpckhps256): Correct item selectors.
262 (avx_unpcklps256): Likewise.
263 (avx_unpckhpd256): Likewise.
264 (avx_unpcklpd256): Likewise.
266 2009-02-28 Jan Hubicka <jh@suse.cz>
268 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
270 (copy_arguments_for_versioning): If var is declared don't declare it.
271 (tree_function_versioning): First setup substitutions and then copy
274 2009-02-27 Jan Hubicka <jh@suse.cz>
277 * cgraph.h (varpool_output_debug_info): Remove.
278 * cgraphunit.c (varpool_output_debug_info): Remove.
279 * dwarf2out.c (deferred_locations_struct): New struct
280 (deferred_locations): New type.
281 (deferred_locations_list): New static var.
282 (deffer_location): New function.
283 (gen_variable_die): Use it.
284 (decls_for_scope): Output info on local static vars.
285 (dwarf2out_finish): Process deferred locations.
286 * varpool.c (varpool_output_debug_info): Remove.
288 2009-02-27 Jan Hubicka <jh@suse.cz>
291 * tree.h (TREE_PROTECTED): Fix comment.
292 (BLOCK_HANDLER_BLOCK): Remove.
293 (struct tree_block): Remove handler_block add body_block.
294 (inlined_function_outer_scope_p): New.
295 (is_body_block): Remove.
296 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
297 * dwarf2out.c (is_inlined_entry_point): Remove.
298 (add_high_low_attributes): Use inlined_function_outer_scope_p.
299 (gen_block_die): Use is_inlined_entry_point check. Remove body block
301 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
302 * gimplify.c (gimplify_expr): Gimplify body blocks.
303 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
304 block with multiple subblocks.
305 (dump_scope_block): Prettier output; dump more flags and info.
306 (dump_scope_blocks): New.
307 (remove_unused_locals): Use dump_scope_blocks.
308 * tree-flow.h (dump_scope_blocks): Declare.
309 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
310 * stmt.c (is_body_block): Remove.
311 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
312 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
314 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
317 * graphite.c (graphite_loop_normal_form): Do not call
318 number_of_iterations_exit from a gcc_assert.
320 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
322 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
323 jumps if COND is NULL.
324 (find_cond_jump): New function.
325 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
326 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
328 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
330 * config/alpha/alpha.h (alpha_expand_mov): Return false if
331 force_const_mem returns NULL_RTX.
333 2009-02-26 Jan Hubicka <jh@suse.cz>
336 * cgraph.h (varpool_output_debug_info): Remove.
337 * cgraphunit.c (varpool_output_debug_info): Remove.
338 * dwarf2out.c (deferred_locations_struct): New struct
339 (deferred_locations): New type.
340 (deferred_locations_list): New static var.
341 (deffer_location): New function.
342 (gen_variable_die): Use it.
343 (decls_for_scope): Output info on local static vars.
344 (dwarf2out_finish): Process deferred locations.
345 * varpool.c (varpool_output_debug_info): Remove.
347 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
349 PR rtl-optimization/39241
350 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
351 to subreg_offset_representable_p.
353 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
355 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
356 execute function prototype. Get f and nregs from max_reg_num
357 and get_insns. Remove the first backward pass as it's dead,
358 guard the forward pass by flag_expensive_optimizations.
359 (rest_of_handle_regmove): Delete.
360 (pass_regmove): Replace it with regmove_optimize.
362 2009-02-25 Martin Jambor <mjambor@suse.cz>
364 PR tree-optimization/39259
365 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
366 calls_alloca function flags.
367 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
370 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
372 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
373 flags_set_1_rtx, flags_set_1_set): Delete.
374 (regmove_optimize): Do not call mark_flags_life_zones.
376 2009-02-24 Julian Brown <julian@codesourcery.com>
379 * config/arm/arm.c (require_pic_register): Only set
380 cfun->machine->pic_reg once per function.
382 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
384 * doc/invoke.texi (Link Options): Document an easier way to pass
385 options that take arguments to the GNU linker using -Xlinker and -Wl.
387 2009-02-24 Steve Ellcey <sje@cup.hp.com>
390 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
392 2009-02-24 Richard Guenther <rguenther@suse.de>
395 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
397 2009-02-24 Richard Guenther <rguenther@suse.de>
398 Zdenek Dvorak <ook@ucw.cz>
400 PR tree-optimization/39233
401 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
402 from converting them to a generic type.
404 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
406 PR tree-optimization/39260
407 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
408 contains a condition with a real type.
409 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
411 2009-02-23 Jason Merrill <jason@redhat.com>
414 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
415 narrowing_initializer_constant_valid_p.
416 (narrowing_initializer_constant_valid_p): Don't return
417 null_pointer_node for adding a pointer to itself.
419 2009-02-23 Jan Hubicka <jh@suse.cz>
422 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
425 2009-02-23 Jan Hubicka <jh@suse.cz>
427 PR tree-optimization/37709
428 * tree.c (block_ultimate_origin): Move here from dwarf2out.
429 * tree.h (block_ultimate_origin): Declare.
430 * dwarf2out.c (block_ultimate_origin): Move to tree.c
431 * tree-ssa-live.c (remove_unused_scope_block_p):
432 Eliminate blocks containig no instructions nor live variables nor
434 (dump_scope_block): New function.
435 (remove_unused_locals): Enable removal of dead blocks by default;
436 enable dumping at TDF_DETAILS.
438 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
440 * config/i386/i386.c (classify_argument): Don't allow COImode
442 (function_arg_advance_32): Don't allow OImode.
443 (function_arg_32): Likewise.
444 (function_value_32): Likewise.
445 (return_in_memory_32): Likewise.
446 (function_arg_64): Remove OImode comment.
448 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
451 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
452 ix86_expand_vector_set for V4DImode in 64bit mode only.
453 (ix86_expand_vector_init_one_var): Likewise.
455 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
457 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
459 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
462 * loop-iv.c: Revert last change.
463 * emit-rtl.c: Likewise.
465 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
468 * config/i386/i386.c (type_natural_mode): Remove an extra
469 space in the warning message.
470 (function_value_32): Handle 32-byte vector modes.
471 (return_in_memory_32): Likewise.
473 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
475 * loop-iv.c (truncate_value): New function.
476 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
478 (lowpart_subreg): Move to...
479 * emit-rtl.c: ...here.
481 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
483 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
484 accidental and undocumented change at revision 140860.
486 2009-02-21 Joseph Myers <joseph@codesourcery.com>
488 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
489 take gimple_seq * arguments.
490 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
491 types_compatible_p langhook.
493 2009-02-20 Mark Mitchell <mark@codesourcery.com>
494 Joseph Myers <joseph@codesourcery.com>
496 * config/arm/arm.c (arm_builtin_va_list): New function.
497 (arm_expand_builtin_va_start): Likewise.
498 (arm_gimplify_va_arg_expr): Likewise.
499 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
500 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
501 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
502 (va_list_type): New variable.
503 (arm_mangle_type): Mangle va_list_type appropriately.
505 2009-02-20 Jakub Jelinek <jakub@redhat.com>
508 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
509 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
510 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
511 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
512 parameter to 1000 for -O1 by default.
513 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
515 * loop-invariant.c: Include params.h.
516 (move_loop_invariants): Don't call move_single_loop_invariants on
519 2009-02-20 Jaka Mocnik <jaka@xlab.si>
521 * calls.c (emit_library_call_value_1): Use slot_offset instead of
522 offset when calculating bounds for indexing stack_usage_map. Fixes
523 a buffer overflow with certain target setups.
525 2009-02-20 Jakub Jelinek <jakub@redhat.com>
528 * calls.c (expand_call): Clear try_tail_call if caller and callee
529 disagree in promotion of function return value.
531 2009-02-19 Jakub Jelinek <jakub@redhat.com>
534 * c-common.c (c_determine_visibility): If visibility changed and
535 DECL_RTL has been already set, call make_decl_rtl to update symbol
538 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
541 * varasm.c (assemble_variable): Don't check DECL_NAME when
542 globalizing a variable.
544 2009-02-19 Joseph Myers <joseph@codesourcery.com>
547 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
548 expression before any __builtin_trap call.
549 * c-typeck.c (build_function_call): Convert and check function
550 arguments before generating a call to a trap. Evaluate the
551 function arguments before the trap.
553 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
556 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
557 (UNSPEC_FXAM_MEM): New unspec.
558 (fxam<mode>2_i387_with_temp): New insn and split pattern.
559 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
560 memory using fxam<mode>2_i387_with_temp to remove excess precision.
562 2009-02-19 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/39207
565 PR tree-optimization/39074
566 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
567 storedanything_tree): New.
568 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
569 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
570 (build_succ_graph): Add edges from STOREDANYTHING to all
572 (init_base_vars): Initialize STOREDANYTHING.
573 (compute_points_to_sets): Free substitution info after
574 building the succ graph.
575 (ipa_pta_execute): Likewise.
577 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
579 (do_ds_constraint): Do not add to special var or non-pointer
581 (type_could_have_pointers): Split out from ...
582 (could_have_pointers): ... here. For arrays use the element type.
583 (create_variable_info_for): Initialize may_have_pointers.
584 (new_var_info): Likewise.
585 (handle_lhs_call): Make the HEAP variable unknown-sized.
586 (intra_create_variable_infos): Use a type with pointers for
587 PARM_NOALIAS, make it unknown-sized.
589 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
592 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
594 2009-02-18 Jason Merrill <jason@redhat.com>
597 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
598 value if DECL_EXTERNAL.
599 * tree-sra.c (sra_walk_gimple_assign): Likewise.
600 * target.h (gcc_target::binds_local_p): Clarify "module".
601 * tree.h (TREE_PUBLIC): Clarify "module".
603 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
606 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
607 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
609 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
612 * c.opt (Wabi): Support C and ObjC.
615 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
617 * config/i386/i386.c (classify_argument): Warn once about the ABI
618 change when passing union with long double.
620 * doc/invoke.texi: Update -Wabi for warning psABI changes.
622 2009-02-18 Joseph Myers <joseph@codesourcery.com>
625 * c-parser.c (c_parser_compound_statement): Always enter and leave
628 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
631 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
633 2009-02-18 Jakub Jelinek <jakub@redhat.com>
635 PR tree-optimization/36922
636 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
637 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
640 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
642 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
645 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
647 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
649 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
651 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
654 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
655 Richard Sandiford <rdsandiford@googlemail.com>
657 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
658 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
659 (loongson_biadd): ...this.
661 2009-02-17 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/39202
664 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
665 a var make sure to follow existing collapses.
667 2009-02-17 Richard Guenther <rguenther@suse.de>
670 * langhooks.c (lhd_print_error_function): Check for NULL block.
672 2009-02-17 Richard Guenther <rguenther@suse.de>
674 PR tree-optimization/39204
675 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
678 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
680 * config/soft-fp/double.h: Update from glibc CVS.
682 2009-02-17 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/39207
685 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
686 strict-aliasing warnings for pointers pointing to NULL.
688 2009-02-16 Joseph Myers <joseph@codesourcery.com>
691 * c-parser.c (c_parser_braced_init): Call pop_init_level when
692 skipping until next close brace.
694 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
697 * config/i386/i386.c (ix86_expand_push): Set memory alignment
698 to function argument boundary.
700 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
702 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
703 in the lea_add. Reload eventually constraints it properly.
704 * config/picochip/constraints.md : Remove the target constraint
705 "b", since it is not needed anymore.
707 2009-02-16 Jakub Jelinek <jakub@redhat.com>
709 * gthr-dce.h: Uglify function parameter and local variable names.
710 * gthr-gnat.h: Likewise.
711 * gthr-mipssde.h: Likewise.
712 * gthr-nks.h: Likewise.
713 * gthr-posix95.h: Likewise.
714 * gthr-posix.h: Likewise.
715 * gthr-rtems.h: Likewise.
716 * gthr-single.h: Likewise.
717 * gthr-solaris.h: Likewise.
718 * gthr-tpf.h: Likewise.
719 * gthr-vxworks.h: Likewise.
720 * gthr-win32.h: Likewise.
722 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
725 * config/i386/i386.md: Restrict the new peephole2 to move
726 between MMX/SSE registers.
728 2009-02-15 Richard Guenther <rguenther@suse.de>
731 2009-02-13 Richard Guenther <rguenther@suse.de>
733 * configure.ac: Enable LFS.
734 * configure: Re-generate.
735 * config.in: Likewise.
737 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
739 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
740 spu_srqwbyte, spu_srqwbytebc): Define.
741 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
742 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
743 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
744 "shrqby_<mode>"): New insn-and-split patterns.
745 * config/spu/spu.c (expand_builtin_args): Determine and return
746 number of operands using spu_builtin_description data.
747 (spu_expand_builtin_1): Use it.
749 2009-02-13 Steve Ellcey <sje@cup.hp.com>
752 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
755 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
758 * config/i386/i386.c (override_options): Correct warning
759 messages for -malign-loops, -malign-jumps and -malign-functions.
761 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
764 * config/i386/i386.md: Restrict the new peephole2 to move
765 between the general purpose registers.
767 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
770 * config/i386/i386.c (type_natural_mode): Add a new argument.
771 Return the original mode and warn ABI change if vector size is 32byte.
772 (function_arg_advance): Updated.
773 (function_arg): Likewise.
774 (ix86_function_value): Likewise.
775 (ix86_return_in_memory): Likewise.
776 (ix86_sol10_return_in_memory): Likewise.
777 (ix86_gimplify_va_arg): Likewise.
778 (function_arg_32): Don't warn ABX ABI change here.
779 (function_arg_64): Likewise.
781 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
783 * loop-iv.c (implies_p): In the final case, test that operands 0
784 of the two comparisons match.
786 * config/bfin/bfin.c (find_prev_insn_start): New function.
787 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
788 (find_next_insn_start): Move.
790 2009-02-13 Richard Guenther <rguenther@suse.de>
792 * configure.ac: Enable LFS.
793 * configure: Re-generate.
794 * config.in: Likewise.
796 2009-02-13 Joseph Myers <joseph@codesourcery.com>
799 * c-parser.c (c_parser_parms_list_declarator): Discard pending
800 sizes on syntax error after some arguments have been parsed.
802 2009-02-12 Jakub Jelinek <jakub@redhat.com>
804 * doc/invoke.texi (-fira): Remove.
806 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
808 * caller-save.c: Replace regclass.c with reginfo.c in comments.
812 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
814 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
815 (umul_ppmm): Likewise.
816 (count_leading_zeros): Likewise.
817 (count_trailing_zeros): Likewise.
818 (UMUL_TIME): Likewise.
820 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
822 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
823 soft-fp/t-softfp to tmake_file.
825 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
826 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
827 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
828 IA64_BUILTIN_INFQ]: New.
829 (ia64_init_builtins): Initialize __builtin_infq,
830 __builtin_fabsq and __builtin_copysignq if not HPUX.
831 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
832 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
834 * config/ia64/lib1funcs.asm (__divtf3): Define only if
836 (__fixtfti): Likewise.
837 (__fixunstfti): Likewise.
838 (__floattitf): Likewise.
840 * config/ia64/libgcc-glibc.ver: New.
841 * config/ia64/t-fprules-softfp: Likewise.
842 * config/ia64/sfp-machine.h: Likewise.
844 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
845 (LIBGCC2_TF_CEXT): Likewise.
847 (TARGET_INIT_LIBFUNCS): Likewise.
849 * config/ia64/t-glibc (SHLINB_MAPFILES):
850 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
852 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
854 * config/i386/i386.c (construct_container): Rewrite processing
855 BLKmode with X86_64_SSE_CLASS.
857 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
860 * config/i386/i386.md: Replace simplify_replace_rtx with
861 replace_rtx in the new peephole2.
863 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
865 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
866 loop unrolling do not happen at -O2.
868 2009-02-12 Michael Matz <matz@suse.de>
870 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
872 2009-02-12 Jakub Jelinek <jakub@redhat.com>
874 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
877 2009-02-12 Ben Elliston <bje@au.ibm.com>
879 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
880 patterns when updating the back chain. Missed in the 2009-02-10
883 2009-02-11 Janis Johnson <janis187@us.ibm.com>
885 * doc/extend.texi (Decimal Floating Types): Update identifier of
886 draft TR and list of missing support.
888 2009-02-11 Jakub Jelinek <jakub@redhat.com>
891 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
892 bit to variable length decl's flags, add it also to its
893 pointer replacement variable.
895 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
896 Jakub Jelinek <jakub@redhat.com>
899 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
900 (memory_blockage): New expander.
901 (*memory_blockage): New insn pattern.
902 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
903 instead of general blockage at the end of function prologue when
904 frame pointer is used to access red zone area. Do not emit blockage
905 when profiling, it is emitted in generic code.
906 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
907 function epilogue when frame pointer is used to access red zone area.
909 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
912 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
913 by arithmetic with memory operands.
914 * config/i386/predicates.md (commutative_operator): New.
916 2009-02-10 Janis Johnson <janis187@us.ibm.com>
918 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
921 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
923 * alias.h (record_alias_subset): Declare.
924 * alias.c (record_alias_subset): Make global.
926 2009-02-10 Nick Clifton <nickc@redhat.com>
928 * tree-parloops.c: Change license to GPLv3.
929 * ipa-struct-reorg.c: Change license to GPLv3.
930 * ipa-struct-reorg.h: Change license to GPLv3.
932 2009-02-10 Steve Ellcey <sje@cup.hp.com>
935 * c-decl.c (start_struct): Return NULL on error.
937 2009-02-10 Jakub Jelinek <jakub@redhat.com>
940 * cfgloopmanip.c (remove_path): Call remove_bbs after
941 cancel_loop_tree, not before it.
944 * function.h (struct function): Add has_local_explicit_reg_vars bit.
945 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
947 * tree-ssa-live.c (remove_unused_locals): Recompute
948 cfun->has_local_explicit_reg_vars.
949 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
950 copies or clearings if cfun->has_local_explicit_reg_vars.
952 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
955 * config/i386/i386.c (expand_prologue): Emit blockage at the end
956 of function prologue when frame pointer is used to access
959 2009-02-10 Richard Guenther <rguenther@suse.de>
962 * gimplify.c (gimple_regimplify_operands): Always look if
963 we need to create a temporary.
965 2009-02-10 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/39132
968 * tree-loop-distribution.c (todo): New global var.
969 (generate_memset_zero): Trigger TODO_rebuild_alias.
970 (tree_loop_distribution): Return todo.
972 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
975 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
976 (x86_64_reg_class_name): Removed.
977 (classify_argument): Return 0 if bytes > 32. Return 0 if the
978 first one isn't X86_64_SSE_CLASS or any other ones aren't
979 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
980 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
981 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
982 and 3 X86_64_SSEUP_CLASS.
983 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
984 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
986 2009-02-10 Ben Elliston <bje@au.ibm.com>
988 * config/rs6000/rs6000.md (allocate_stack): Always use an update
989 form instruction to update the stack back chain word, even if the
990 user has disabled the generation of update instructions.
991 (movdi_<mode>_update_stack): New.
992 (movsi_update_stack): Likewise.
993 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
994 always use an update form instruction to update the stack back
997 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1000 * graphite.c (if_region_set_false_region): After moving a region in
1001 the false branch of a condition, remove the empty dummy basic block.
1002 (gloog): Remove wrong fix for PR38953.
1004 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1006 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1007 generation due to implicit sign extension.
1009 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1012 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1013 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1015 2009-02-09 Richard Guenther <rguenther@suse.de>
1018 * convert.c (convert_to_real): Disable (float)fn((double)x)
1019 to fnf(x) conversion if errno differences may occur and
1020 -fmath-errno is set.
1022 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1024 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1025 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1026 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1028 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1031 * c-common.c (handle_alias_attribute): Disallow attribute for
1032 anything not a FUNCTION_DECL or VAR_DECL.
1034 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1037 * real.c (do_compare): Special-case compare of zero against
1038 decimal float value.
1040 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1043 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1044 as indicating flexible array members unless the field itself is
1045 being declarared as the incomplete array.
1047 2009-02-06 Jan Hubicka <jh@suse.cz>
1049 PR tree-optimization/38844
1050 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1053 2009-02-06 Richard Guenther <rguenther@suse.de>
1056 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1057 fork because we may expand it as __gcov_fork.
1059 2009-02-06 Nick Clifton <nickc@redhat.com>
1061 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1063 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1065 PR tree-optimization/35659
1066 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1067 vn_phi_eq): Shortcut if hashcode does not match.
1068 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1070 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1071 and avoid iterative_hash_expr.
1072 (FOR_EACH_VALUE_ID_IN_SET): New.
1073 (value_id_compare): Remove.
1074 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1075 sort expressions by value id.
1077 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1080 * config/sh/predicates.md (general_movsrc_operand): Don't check
1081 the subreg of system registers here.
1083 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1086 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1089 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1091 PR rtl-optimization/39110
1092 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1093 addresses, not aligned ones.
1095 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1096 Richard Guenther <rguenther@suse.de>
1098 PR tree-optimization/39100
1099 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1100 comment says and add edges.
1102 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1105 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1106 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1108 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1110 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1111 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1112 register_bb_in_sese, new_sese, free_sese): Moved.
1113 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1114 outermost_loop_in_scop, build_scop_iteration_domain,
1115 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1116 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1117 Use loop_in_sese_p instead of loop_in_scop_p.
1118 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1119 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1120 (scopdet_basic_block_info): Fix bug in scop detection.
1121 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1122 eq_loop_to_cloog_loop): Remove.
1123 (nb_loops_around_loop_in_scop, nb_loop
1124 ref_nb_loops): Moved here...
1125 * graphite.h (ref_nb_loops): ... from here.
1126 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1127 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1128 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1129 * testsuite/gcc.dg/graphite/scop-19.c: New
1131 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1132 Hans-Peter Nilsson <hp@axis.com>
1134 PR rtl-optimization/37889
1135 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1136 Move offset handling from PLUS to before the switch. Use new
1137 arguments when considering SYMBOL_REFs too.
1138 (rtx_addr_can_trap_p): Pass dummy offset and size.
1139 (enum may_trap_p_flags): Remove.
1140 (may_trap_p_1): Pass size from MEM_SIZE.
1142 PR rtl-optimization/38921
1143 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1144 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1145 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1146 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1148 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1150 AVX Programming Reference (January, 2009)
1151 * config/i386/sse.md (*vpclmulqdq): New.
1153 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1155 PR tree-optimization/38977
1156 PR gcov-profile/38292
1157 * calls.c (special_function_p): Disregard __builtin_ prefix.
1159 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1161 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1162 non-indexable addresses even before reload.
1164 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1167 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1168 as having variable size. Do not give an error for unnamed
1169 parameters with [*] declarators. Give a warning for type names
1170 with [*] declarators and mark them as variable size.
1171 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1172 for sizeof applied to [*] type names.
1174 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1177 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1179 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1181 * gcc.c (process_command): Update copyright notice dates.
1182 * gcov.c (print_version): Likewise.
1183 * gcov-dump.c (print_version): Likewise.
1184 * mips-tfile.c (main): Likewise.
1185 * mips-tdump.c (main): Likewise.
1187 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1190 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1191 for composite type involving a zero-length array type.
1193 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1196 * function.c (match_asm_constraints_1): Skip over
1197 initial optional % in the constraint.
1200 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1201 supported, don't accept FIXED_CSTs.
1202 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1203 and _Sat is used without _Fract/_Accum. Set specs->type to
1204 integer_type_node for cts_fract/cts_accum if fixed point is not
1207 2009-02-02 Catherine Moore <clm@codesourcery.com>
1209 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1211 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1213 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1214 (ABI_HAS_64BIT_SYMBOLS): Use it.
1215 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1217 2009-02-02 Paul Brook <paul@codesourcery.com>
1219 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1221 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1224 * recog.h (asm_operand_ok): Add constraints argument.
1225 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1226 recurse on matching constraint.
1227 (check_asm_operands): Pass constraints as 3rd argument to
1228 asm_operand_ok. Don't look up matching constraint here.
1229 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1232 2009-02-02 Ben Elliston <bje@au.ibm.com>
1234 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1235 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1237 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1239 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1240 information. Remove some obsolete information. Reorganize.
1242 * config/pa/fptr.c: Revert license to GPL 2.
1243 * config/pa/milli64.S: Likewise.
1245 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1248 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1249 LIBRARY name in, instead of hard-coding it.
1250 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1251 extra target make frag to tmake_files according to EH model.
1252 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1253 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1254 frags that define makefile variable EH_MODEL appropriately.
1255 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1256 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1257 to "-sjlj" according to type of EH configured.
1258 (LIBGCC_SONAME): Concatenate it to shared library base name.
1259 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1260 to "_sjlj" according to type of EH configured.
1261 (LIBGCC_SONAME): Concatenate it to shared library base name.
1262 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1263 (SHLIB_LINK): Add missing semicolon to if-else construct.
1264 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1265 string value of "pe_dll" command-line option.
1266 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1267 (SHLIB_SONAME): Use it when overriding t-cygming default.
1268 (SHLIB_IMPLIB): Override t-cygming default.
1269 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1270 string value of "pe_dll" command-line option.
1272 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1275 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1276 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1278 2009-01-31 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/38937
1281 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1282 computing the transitive closure.
1284 2009-01-30 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/39041
1287 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1288 Propagate variable indices only if the types match for this stmt.
1290 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1293 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1294 inline but never defined.
1296 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1298 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1299 (*insv_h_di_reg_extimm): New insn.
1300 (*insv_l<mode>_reg_extimm): New insn.
1302 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1304 * config/picochip/picochip.c (flag_conserve_stack): set
1305 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1306 fconserve-stack. Reduce call-overhead used by inliner.
1308 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1311 * common.opt (flag_conserve_stack): Initialised to zero.
1313 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1316 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1317 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1320 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1322 * ira-color.c (allocno_reload_assign): Update comments.
1323 * regmove.c (regmove_optimize): Likewise.
1327 2009-01-29 Robert Millan <rmh@aybabtu.com>
1329 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1330 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1331 `MD_UNWIND_SUPPORT'.
1332 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1334 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1336 PR tree-optimization/39007
1337 * tree-loop-distribution.c (generate_builtin): Use
1338 recompute_dominator to compute the immediate dominator of the
1339 basic block just after the loop.
1341 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1343 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1344 (ASM_OUTPUT_DWARF_PCREL): Define.
1346 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1348 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1349 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1350 global. Modify entries about regmove and IRA.
1352 * ra-conflict.c: Remove the file.
1354 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1356 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1357 (pass_regclass_init): Rename to pass_reginfo_init.
1359 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1361 * toplev.h (flag_ira): Remove.
1363 * caller-save.c (setup_save_areas): Remove flag_ira.
1365 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1367 * global.c: Remove the file.
1369 * opts.c: (decode_options): Remove flag_ira.
1371 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1373 * regmove.c: Modify file description.
1374 (find_use_as_address, try_auto_increment): Define them only if
1375 AUTO_INC_DEC is defined.
1376 (replacement_quality, replace_in_call_usage, fixup_match_1,
1377 stable_and_no_regs_but_for_p): Remove.
1378 (reg_set_in_bb): Make it static.
1379 (regmove_optimize): Remove flag_ira and code which worked for
1382 * local-alloc.c: Remove the file.
1384 * common.opt (fira): Remove.
1386 * ira.c: Include except.h.
1387 (eliminable_regset): Move from global.c.
1388 (mark_elimination): Ditto. Remove flag_ira.
1389 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1390 equiv_mem_modified, validate_equiv_mem_from_store,
1391 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1392 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1393 no_equiv, recorded_label_ref): Move from local-alloc.c.
1394 (update_equiv_regs): Ditto. Make it static.
1395 (print_insn_chain, print_insn_chains): Move it from global.c.
1396 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1397 (build_insn_chain): Ditto. Make it static.
1398 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1399 Rename to init_live_subregs.
1400 (gate_ira): Remove flag_ira.
1402 * regclass.c: Rename reginfo.c. Change file description.
1403 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1404 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1405 (init_reg_sets_1): Remove code for evaluation of
1406 reg_class_superclasses and losing_caller_save_reg_set.
1407 (init_regs): Remove init_reg_autoinc.
1408 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1409 ok_for_base_p_nonstrict): Remove.
1410 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1411 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1412 corresponding entries.
1413 (dump_regclass, record_operand_costs, scan_one_insn,
1414 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1415 record_address_regs, auto_inc_dec_reg_p): Remove.
1416 (gt-regclass.h): Rename to gt-reginfo.h.
1418 * rtl.h (dump_global_regs, retry_global_alloc,
1419 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1421 * Makefile.in (RA_H): Remove.
1422 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1423 Rename regclass.o to reginfo.o.
1424 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1426 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1427 (GTFILES): Rename regclass.c to reginfo.c.
1429 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1430 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1432 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1433 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1435 (finish_spills): Ditto. Remove code for !flag_ira.
1437 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1440 * doc/invoke.texi (rtl debug options): Complete rewrite.
1441 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1443 * mode-switching.c (pass_mode_switching): Rename pass from
1444 "mode-sw" to "mode_sw".
1445 * except.c (pass_convert_to_eh_ranges): Rename pass from
1446 "eh-ranges" to "eh_ranges".
1447 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1451 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1452 Alexander Monakov <amonakov@ispras.ru>
1455 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1457 (move_exprs_to_boundary): Change return type and pass through
1458 should_move from move_op. Relax assert. Update usage ...
1459 (schedule_expr_on_boundary): ... here. Use should_move instead of
1461 (move_op_orig_expr_found): Indicate that insn was disconnected from
1463 (code_motion_process_successors): Do not call after_merge_succs
1464 callback if original expression was not found when traversing any of
1466 (code_motion_path_driver): Change return type. Update prototype.
1467 (move_op): Update comment. Add a new parameter (should_move). Update
1468 prototype. Set *should_move based on indication provided by
1469 move_op_orig_expr_found.
1471 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1473 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1474 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1475 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1476 * config/rs6000/rs6000.c (rs6000_override_options): Default
1477 avoid-indexed-addresses on for Power6, off for everything else.
1478 (avoiding_indexed_address_p): New function.
1479 (rs6000_legitimize_address): Use it.
1480 (rs6000_legitimate_address): Likewise.
1481 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1483 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1485 PR tree-optimization/38997
1486 * tree-loop-distribution.c (generate_memset_zero): Use
1487 POINTER_PLUS_EXPR for a pointer addition.
1489 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1491 * config/s390/s390.md (bswap<mode>2): New pattern added.
1493 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1495 * config/s390/s390.md (*tls_load_31): Added type attribute.
1497 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1499 * config/s390/s390.md: Fix a few comments.
1501 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1503 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1504 (*tm<mode>_full): Fixed z10prop attribute.
1505 (*tst<mode>_extimm): Fixed z10prop attribute.
1506 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1507 (*tstqiCCT_cconly): Fixed z10prop attribute.
1508 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1509 (*movsi_larl): Fixed z10prop attribute.
1510 (*movsi_zarch): Fixed z10prop attribute.
1511 (*movsi_eas): Fixed z10prop attribute.
1512 (*movhi): Fixed z10prop attribute.
1513 (*movqi): Fixed z10prop attribute.
1514 (*movstrictqi): Fixed z10prop attribute.
1515 (*mov<mode>): Fixed z10prop attribute.
1516 (*movcc): Fixed z10prop attribute.
1517 (*sethighpartdi_64): Fixed z10prop attribute.
1518 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1519 (*negdi2_sign_cc): Fixed z10prop attribute.
1520 (*negdi2_sign): Fixed z10prop attribute.
1521 (*absdi2_sign_cc): Fixed z10prop attribute.
1522 (*absdi2_sign): Fixed z10prop attribute.
1523 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1524 (*negabsdi2_sign): Fixed z10prop attribute.
1525 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1526 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1527 (doloop_si64): Fixed z10prop attribute.
1528 (doloop_si31): Fixed z10prop attribute.
1529 (doloop_long): Fixed z10prop attribute.
1530 (indirect_jump): Fixed z10prop attribute.
1531 (nop): Fixed z10prop attribute.
1532 (main_base_64): Fixed z10prop attribute.
1533 (reload_base_64): Fixed z10prop attribute.
1535 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1537 PR rtl-optimization/38740
1538 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1540 * config/mips/mips.c (mips_reorg): Likewise.
1542 2009-01-28 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/38926
1545 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1546 with the correct value id to a value.
1547 (do_regular_insertion): Use the value number of edoubleprime
1548 for the value number of the expr.
1551 2008-08-21 Richard Guenther <rguenther@suse.de>
1553 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1554 a PHI ask VN if it is already available.
1555 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1556 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1558 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1561 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1562 set to varying whenever max has TREE_OVERFLOW set, similarly
1563 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1565 2009-01-28 Richard Guenther <rguenther@suse.de>
1568 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1569 uninitialized aggregate uses in call arguments.
1571 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1573 PR tree-optimization/38984
1574 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1575 the nothing_id variable if -fno-delete-null-pointer-checks.
1577 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1580 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1581 (set_got_offset_rex64): Ditto.
1583 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1586 * doc/extend.texi: Improve local variable with asm reg.
1588 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1590 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1591 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1592 was not supplied then set warn_packed_bitfield_compat to the
1594 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1597 2009-01-27 Richard Guenther <rguenther@suse.de>
1599 PR tree-optimization/38503
1600 * cfgexpand.c (expand_gimple_basic_block): Ignore
1601 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1602 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1603 variables that cannot have TBAA applied.
1604 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1607 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1610 * calls.c (initialize_argument_information): Do not wrap complex
1611 arguments in SAVE_EXPR.
1613 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1615 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1616 (INSTALL_LIBGCC): Revert typo commit.
1618 2009-01-26 Richard Guenther <rguenther@suse.de>
1620 PR tree-optimization/38745
1621 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1622 from special handling.
1624 2009-01-26 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/38745
1627 * tree-ssa.c (execute_update_addresses_taken): Do not include
1628 variables that cannot possibly be a register in not_reg_needs.
1629 Do not clear TREE_ADDRESSABLE on vars that may not become
1631 * tree-ssa.c (update_alias_info_1): Include those in the set
1632 of addressable vars.
1634 2009-01-26 Richard Guenther <rguenther@suse.de>
1637 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1638 * tree-ssa-dse.c: Include langhooks.h
1639 (execute_simple_dse): Remove stores with zero size.
1641 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1644 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1647 2009-01-24 Julian Brown <julian@codesourcery.com>
1649 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1650 config/arm/linux-atomic.c.
1651 * config/arm/linux-atomic.c: New.
1653 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1655 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1656 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1657 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1659 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1662 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1665 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1667 PR tree-optimization/38953
1668 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1669 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1670 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1671 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1674 2009-01-24 Paul Brook <paul@codesourcery.com>
1676 * config/arm/neon.md (neon_type): Move to arm.md.
1677 (neon_mov<VSTRUCT>): Add neon_type attribute.
1678 * config/arm/arm.md (neon_type): Move to here.
1679 (conds): Add "unconditioal" and use as default for NEON insns.
1681 2009-01-24 Ben Elliston <bje@au.ibm.com>
1683 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1684 void *' warning from -Wc++-compat.
1685 * Makefile.in (dominance.o-warn): Remove.
1687 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1689 PR tree-optimization/38932
1690 * fold-const.c (fold_unary_ignore_overflow): New.
1691 * tree.h (fold_unary_ignore_overflow): Declare.
1692 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1693 * tree-ssa-sccvn.c (visit_reference_op_load,
1694 simplify_unary_expression): Likewise.
1696 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1698 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1699 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1700 regardless of their type.
1701 * c-common.c (handle_packed_attribute): Don't ignore packed on
1703 * c.opt (Wpacked-bitfield-compat): New warning option.
1704 * stor-layout.c (place_field): Warn if offset of a field changed.
1705 * doc/extend.texi (packed): Mention the ABI change.
1706 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1707 (Warning Options): Add it to the list.
1709 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1711 * c-opts.c (c_common_post_options): Fix a typo in comments.
1713 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1716 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1717 variables to static.
1718 * doc/invoke.texi (-fmerge-all-constants): Update description.
1720 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1723 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1724 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1726 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1728 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1730 (LOCAL_ALIGNMENT): Similarly.
1732 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1733 Joseph Myers <joseph@codesourcery.com>
1735 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1736 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1737 * config/arm/arm-tune.md: Regenerate.
1738 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1741 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1743 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1744 version number to five.
1746 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1749 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1750 * c-common.c (set_underlying_type): Likewise.
1751 (is_typedef_decl ): Likewise
1753 (set_underlying_type): Likewise.
1754 (is_typedef_type): Likewise.
1756 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1759 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1762 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1765 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1766 (LIBGCC_SPEC): Don't define.
1767 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1769 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1771 PR rtl-optimization/38879
1772 * alias.c (base_alias_check): Unaligned access via AND address can
1773 alias all surrounding object types except those with sizes equal
1774 or wider than the size of unaligned access.
1776 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1779 * c-decl.c: (clone_underlying_type): Move this ...
1780 * c-common.c (set_underlying_type): ... here.
1781 Also, make sure the function properly sets TYPE_STUB_DECL() on
1782 the newly created typedef variant type.
1783 (is_typedef_decl ): New entry point.
1784 * tree.h: Added a new member member_types_needing_access_check to
1785 struct tree_decl_non_common.
1786 (set_underlying_type): New entry point.
1787 (is_typedef_type): Likewise.
1789 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1791 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1792 Check whether two instructions have memory references that
1793 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1794 are helper functions for traversing.
1795 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1796 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1797 not to draw dependency edge for instructions with non-conflicting
1800 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1803 * longlong.h: Update copyright years. Use soft-fp license notice.
1804 Sync __clz_tab declaration with glibc.
1806 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1809 * doc/extend.texi (syscall_linkage): New.
1810 (version_id): Modify.
1812 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1813 Richard Guenther <rguenther@suse.de>
1815 PR tree-optimization/38747
1816 PR tree-optimization/38748
1817 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1818 conversion if the base address is an indirect reference and the
1819 aliasing sets could cause issues.
1821 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1823 * common.opt (fgraphite, fgraphite-identity): Add comment for
1824 explaining why these options are not documented.
1826 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1828 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1829 gimple_call_lhs is NULL.
1831 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1834 * emit-rtl.c (adjust_address_1): Make sure memref is never
1837 2009-01-20 Ben Elliston <bje@au.ibm.com>
1839 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1840 const qualifier from arg parameter. Remove unnecessary cast to char *.
1841 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1842 const qualifier from arg 2.
1844 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1846 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1848 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1851 * rtl.h (reinit_regs): New prototype.
1852 * regclass.c: Include ira.h.
1854 * Makefile.in (regclass.o): Add ira.h.
1855 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1857 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1860 * c-common.c (handle_aligned_attribute): Use
1861 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1862 default alignment value.
1864 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1866 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1867 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1869 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1870 __BIGGEST_ALIGNMENT__.
1872 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1874 2009-01-18 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/38819
1877 * tree-flow.h (operation_could_trap_helper_p): Declare.
1878 * tree-eh.c (operation_could_trap_helper_p): Export.
1879 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1880 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1881 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1882 are about to insert a possibly trapping instruction and fail
1885 2009-01-18 Andreas Schwab <schwab@suse.de>
1887 * doc/install.texi (Configuration): Remove obsolete paragraph
1888 about use of --with-gnu-ld with --with-gnu-as.
1890 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1892 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1893 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1894 Follow spelling conventions.
1896 2009-01-18 Ben Elliston <bje@au.ibm.com>
1898 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1899 C++ warning about implicit conversion from void * to struct
1901 (bitmap_obstack_free): Likewise for bitmap_element *.
1902 * Makefile.in (bitmap.o-warn): Remove.
1904 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1906 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1908 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1909 Tobias Grosser <tobi.grosser@amd.com>
1911 * graphite.c (graphite_trans_scop_block): Do not block single
1914 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1916 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1917 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1918 test with assertion.
1920 2009-01-16 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/38835
1924 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1925 and INT + PTR -> (INT)(PTR p+ INT) folding.
1926 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1928 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1931 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1932 the subreg from a lowpart subreg if it is also casting the value.
1934 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1935 Tobias Grosser <tobi.grosser@amd.com>
1937 * graphite.c (compare_prefix_loops): New.
1938 (build_scop_canonical_schedules): Rewritten.
1939 (graphite_transform_loops): Move build_scop_canonical_schedules
1940 after build_scop_iteration_domain.
1942 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1943 Tobias Grosser <tobi.grosser@amd.com>
1945 * graphite.c (add_conditions_to_domain): Add the loops to
1946 the dimension of the iteration domain. Do copy the domain
1947 only when it exists.
1948 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1949 (add_conditions_to_constraints): New.
1950 (can_generate_code_stmt, can_generate_code): Removed.
1951 (gloog): Do not call can_generate_code.
1952 (graphite_transform_loops): Call add_conditions_to_constraints
1953 after building the iteration domain.
1955 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1957 PR tree-optimization/38789
1958 * tree-ssa-threadedge.c
1959 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1960 __builtin_constant_p.
1962 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1964 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1965 examined before deleting them.
1967 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1969 * function.c (aggregate_value_p): Correctly extract the function
1970 type from CALL_EXPR_FN lookup.
1972 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1974 * config/picochip/picochip.c (picochip_override_options): Revert
1975 CFI asm flag disable commited previously.
1977 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1978 Tobias Grosser <tobi.grosser@amd.com>
1979 Jan Sjodin <jan.sjodin@amd.com>
1981 * graphite.c (scan_tree_for_params): On substractions negate
1982 all the coefficients of the term.
1983 (clast_to_gcc_expression_red): New. Handle reduction expressions
1984 of more than two operands.
1985 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1986 (get_vdef_before_scop): Handle also the case of default definitions.
1988 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1990 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1991 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1992 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1994 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1995 Joey Ye <joey.ye@intel.com>
1998 * cfgexpand.c (expand_stack_alignment): Don't update stack
1999 boundary nor check incoming stack boundary here.
2000 (gimple_expand_cfg): Update stack boundary and check incoming
2001 stack boundary here.
2003 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2005 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2007 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2009 PR rtl-optimization/38245
2010 * calls.c (expand_call): Add stack arguments to
2011 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2012 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2013 in regs and partially in memory or BLKmode arguments.
2014 (emit_library_call_value_1): Add stack arguments to
2015 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2016 ACCUMULATE_OUTGOING_ARGS).
2017 * dce.c: Include tm_p.h.
2018 (find_call_stack_args): New function.
2019 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2021 (mark_insn): Call find_call_stack_args for CALL_Ps.
2022 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2023 forwards. Allocate and free arg_stores bitmap if needed, pass it
2024 down to deletable_insn_p, don't mark stores set in arg_stores
2025 bitmap, clear the bitmap at the beginning of each bb.
2026 * Makefile.in (dce.o): Depend on $(TM_P_H).
2028 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2031 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2032 to make sure the insn is a conditional test (bug 22599). Reformat a
2035 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2038 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2039 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2040 (gloog): Do not call cleanup_tree_cfg.
2041 (graphite_transform_loops): Call cleanup_tree_cfg after all
2042 scops have been code generated.
2044 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2045 * doc/gty.texi (Invoking the garbage collector): Added new node
2046 and section documenting ggc_collect.
2048 2009-01-14 Richard Guenther <rguenther@suse.de>
2050 PR tree-optimization/38826
2052 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2053 initialization notes only if we actually emitted a warning.
2054 (intra_create_variable_infos): Add constraints for a result decl
2055 that is passed by hidden reference.
2056 (build_pred_graph): Mark all related variables non-direct on
2059 2009-01-14 Nick Clifton <nickc@redhat.com>
2061 * ira-conflicts.c: Include addresses.h for the definition of
2063 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2064 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2066 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2069 * Makefile.in (ira-lives.o): Add except.h.
2071 * ira-lives.c: Include except.h.
2072 (process_bb_node_lives): Process can_throw_internal.
2074 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2076 PR rtl-optimization/38774
2077 * combine.c (simplify_set): When undoing cc_use change, don't do
2078 PUT_CODE on the newly created comparison, but instead put back the
2081 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2083 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2084 values. Remove duplicate arm8 entry.
2086 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2088 PR tree-optimization/38786
2089 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2090 the SSA_NAME case of expand_scalar_variables_expr.
2091 Set the type of an expression to the type of its assign statement.
2092 (expand_scalar_variables_expr): Also gather the scalar computation
2093 used to index the memory access. Do not pass loop_p.
2094 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2095 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2096 the gimple_stmt_iterator where it inserts new code.
2098 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2099 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2101 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2103 * graphite.h (debug_value): Removed.
2104 * graphite.c (debug_value): Removed.
2106 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2108 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2109 ldrd/strd with two 32-bit instructions.
2111 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2113 * config/arm/arm.c (struct processors): Pass for speed down into
2114 cost helper functions.
2115 (const_ok_for_op): Handle COMPARE and inequality nodes.
2116 (arm_rtx_costs_1): Rewrite.
2117 (arm_size_rtx_costs): Update prototype.
2118 (arm_rtx_costs): Pass speed down to helper functions.
2119 (arm_slowmul_rtx_costs): Rework cost calculations.
2120 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2121 (arm_9e_rtx_costs): Likewise.
2123 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2125 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2126 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2127 (alpha_legitimize_address): Do not split local symbols wider than
2128 UNITS_PER_WORD into HIGH/LO_SUM parts.
2130 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2133 * gcc.c (process_command): Replace call to execvp with calls
2134 to pex_one and exit.
2136 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2139 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2140 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2141 variant for devices with 3-byte PC.
2142 (__tablejump_elpm__) : New.
2144 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2147 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2148 offsetof member-designator, handle it as `[0].'.
2150 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2152 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2153 function when not using named sections on targets with named sections
2154 if branch distance is less than 262132.
2156 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2158 * combine.c (combine_instructions): Recompute
2159 optimize_this_for_speed_p for each BB in the main combine loop.
2161 2009-01-12 Tomas Bily <tbily@suse.cz>
2164 * tree-loop-distribution.c (prop_phis): New function.
2165 (generate_builtin): Call prop_phis.
2166 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2168 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2170 PR tree-optimization/38807
2171 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2172 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2174 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2176 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2177 subreg of op0 to the original op0.
2179 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2181 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2183 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2186 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2187 starting with digits.
2189 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2192 * config/arm/arm.c (arm_is_long_call_p): Don't call
2193 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2195 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2197 * regrename.c (regrename_optimize): Fix dumping.
2198 (find_oldest_value_reg): Preserve REG_POINTER.
2199 (copy_hardreg_forward_1): Likewise.
2201 2009-01-09 Diego Novillo <dnovillo@google.com>
2203 * gimple.h (struct gimple_statement_base) <uid>: Document
2204 the restrictions on its use.
2206 (gimple_set_uid): Tidy.
2208 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2210 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2211 zero guard even if align_bytes != 0 and count is smaller than
2214 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2216 PR rtl-optimization/38495
2217 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2218 (add_range_and_copies_from_move_list): Print all added ranges.
2219 Add ranges to memory optimized destination.
2221 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2225 * config/i386/i386.c (override_options): Reject
2226 -mstringop-strategy=rep_8byte with -m32.
2227 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2228 to 1. Do count comparison against epilogue_size_needed at compile
2229 time even when count_exp was constant forced into register. For
2230 size_needed don't jump to epilogue, instead just avoid aligning
2231 and invoke the body algorithm. If need_zero_guard, add zero guard
2232 even if count is non-zero, but smaller than size_needed + number of
2233 bytes that could be stored for alignment.
2234 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2235 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2236 but smaller than size_needed + number of bytes that could be stored
2237 for alignment. Compare size_needed with epilogue_size_needed instead
2238 of desired_align - align, don't adjust size_needed, pass
2239 epilogue_size_needed to the epilogue expanders.
2242 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2244 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2246 * pa.c (last_address): Change to unsigned.
2247 (update_total_code_bytes): Change argument to unsigned. Don't
2248 check if insn addresses are set.
2249 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2250 addresses are not set.
2251 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2253 2009-01-09 Nick Clifton <nickc@redhat.com>
2255 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2256 DECL_DECLARED_INLINE_P.
2258 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2261 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2262 GET_MODE (op0) in operand_subword_force calls.
2265 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2266 fold_convert arg0 operands to TREE_TYPE (op0) first.
2268 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2270 * params.def (ira-max-conflict-table-size): Decrease default value
2273 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2275 PR tree-optimization/37031
2276 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2278 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2279 allocate it using gc instead of heap, use VEC_quick_push instead of
2281 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2282 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2283 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2284 allocated vector from heap allocated.
2285 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2286 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2287 vector only after perfect_loop_nest_depth call.
2289 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2290 Jan Sjodin <jan.sjodin@amd.com>
2292 PR tree-optimization/38559
2293 * graphite.c (debug_value, copy_constraint,
2294 swap_constraint_variables, scale_constraint_variable, ): New.
2295 (get_lower_bound, get_upper_bound): Removed.
2296 (graphite_trans_bb_strip_mine): Clean up this code that works
2297 only for constant number of iterations. Fully copy upper and
2298 lower bound constraints, not only the constant part of them.
2299 * graphite.h (debug_value): Declared.
2301 2009-01-08 Ira Rosen <irar@il.ibm.com>
2303 PR tree-optimization/37194
2304 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2305 Don't add the cost of cost model guard in prologue to scalar
2306 outside cost in case of known number of iterations.
2308 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2309 Alan Modra <amodra@bigpond.net.au>
2311 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2312 non-word-aligned REG+CONST addressing.
2314 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2317 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2318 free_after_compilation when outputting a thunk.
2319 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2320 Do not call free_after_compilation here.
2322 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2324 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2325 (ix86_valid_target_attribute_inner_p): Ditto.
2327 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2329 PR tree-optimization/38492
2330 PR tree-optimization/38498
2331 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2332 * tree-chrec.h (scev_is_linear_expression): Declared.
2333 * graphite.c (graphite_cannot_represent_loop_niter): New.
2334 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2335 (graphite_loop_normal_form): Use gcc_assert.
2336 (scan_tree_for_params): Use CASE_CONVERT.
2337 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2338 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2339 Use gcc_assert. Discard scops that contain unhandled cases.
2340 (build_scop_conditions): Return a boolean status for unhandled cases.
2341 (strip_mine_profitable_p): Print the loop number, not its depth.
2342 (is_interchange_valid): Pass the depth of the loop nest, don't
2343 recompute it wrongly.
2344 (graphite_trans_bb_block): Same.
2345 (graphite_trans_bb_block): Print tentative of loop blocking.
2346 (graphite_trans_scop_block): Do not print that the loop has been
2348 (graphite_transform_loops): Do not handle scops that contain condition
2351 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2353 AVX Programming Reference (December, 2008)
2354 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2355 (_mm256_stream_pd): Likewise.
2356 (_mm256_stream_ps): Likewise.
2358 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2359 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2360 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2361 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2362 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2363 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2364 (ix86_expand_special_args_builtin): Likewise.
2366 * config/i386/sse.md (AVXMODEDI): New.
2367 (avx_movnt<mode>): Likewise.
2368 (avx_movnt<mode>): Likewise.
2369 (<sse>_movnt<mode>): Remove AVX support.
2370 (sse2_movntv2di): Likewise.
2372 2009-01-07 Richard Guenther <rguenther@suse.de>
2375 * fold-const.c (extract_muldiv): Remove obsolete comment.
2376 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2377 to PLUS_EXPR canonicalization for the canonicalization.
2379 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2381 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2382 hosted cross-compilers generating less efficient code.
2384 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2386 * function.h (rtl_data): Add a dbr_scheduled_p field.
2387 * reorg.c (dbr_schedule): Set it.
2388 (gate_handle_delay_slots): Check it.
2389 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2390 (mips_reorg): Check flag_delayed_branch instead of
2391 mips_base_delayed_branch.
2392 (mips_override_options): Don't set mips_base_delayed_branch
2393 or flag_delayed_branch.
2395 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2397 PR rtl-optimization/38426.
2398 * ira.c (ira): Set current_function_is_leaf earlier.
2400 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2402 PR rtl-optimization/38722
2403 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2404 too early, only set a flag and modify after last possible
2407 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2410 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2411 * real.c (decimal_single_format): Correct values of emin and emax.
2412 (decimal_double_format): Ditto.
2413 (decimal_quad_format): Ditto.
2414 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2415 computation of DECnn_MIN and DECnn_MAX for corrected values of
2416 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2417 __DECnn_MIN__, and adjust its computation for the corrected value
2420 2009-01-06 Jan Hubicka <jh@suse.cz>
2423 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2425 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2427 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2428 Add Robert Clark to the list of testers.
2430 2009-01-06 Jan Hubicka <jh@suse.cz>
2431 Kai Tietz <kai.tietz@onevision.com>
2433 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2434 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2436 2009-01-06 Jan Hubicka <jh@suse.cz>
2437 Kai Tietz <kai.tietz@onevision.com>
2439 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2441 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2442 (ix86_nsaved_regs): Count only general purpose regs.
2443 (ix86_nsaved_sseregs): New.
2444 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2445 to 16 for w64; compute padding and size of sse reg save area.
2446 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2447 general purpose regs.
2448 (ix86_emit_save_sse_regs_using_mov): New.
2449 (ix86_expand_prologue): Save SSE regs if needed.
2450 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2451 (ix86_emit_restore_sse_regs_using_mov): New.
2452 (ix86_expand_epilogue): Save SSE regs if needed.
2454 2009-01-06 Jan Hubicka <jh@suse.cz>
2455 Kai Tietz <kai.tietz@onevision.com>
2457 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2458 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2459 functions when accumulate outgoing args is off.
2461 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2464 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2465 before using pseudos_have_intersected_live_ranges_p.
2467 * ira-int.h (ira_assert): Always define.
2469 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2471 AVX Programming Reference (December, 2008)
2472 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2473 (_mm256_permute2_pd): Likewise.
2474 (_mm_permute2_ps): Likewise.
2475 (_mm256_permute2_ps): Likewise.
2476 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2477 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2479 * config/i386/i386.c (ix86_builtins): Remove
2480 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2481 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2482 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2483 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2484 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2485 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2486 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2487 __builtin_ia32_vpermil2ps256.
2488 (ix86_init_mmx_sse_builtins): Updated.
2489 (ix86_expand_args_builtin): Likewise.
2491 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2493 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2494 long absolute calls when generating PA 2.0 code.
2496 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2498 PR rtl-optimization/38583
2499 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2501 * params.def (ira-max-conflict-table-size): New.
2503 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2505 * ira.h (ira_conflicts_p): New external definition.
2507 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2508 table. Report this. Return result of building.
2509 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2510 building conflict table.
2512 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2513 (ira_color): Use ira_conflicts_p.
2515 * global.c: Include ira.h.
2516 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2519 * Makefile.in (global.o): Add ira.h.
2521 * ira-build.c (mark_all_loops_for_removal,
2522 propagate_some_info_from_allocno): New.
2523 (remove_unnecessary_allocnos): Call
2524 propagate_some_info_from_allocno.
2525 (remove_low_level_allocnos): New.
2526 (remove_unnecessary_regions): Add parameter. Call
2527 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2528 parameter to remove_unnecessary_regions.
2529 (ira_build): Remove all regions but root if the conflict table was
2530 not built. Update conflict hard regs for allocnos crossing calls.
2532 * ira.c (ira_conflicts_p): New global.
2533 (ira): Define and use ira_conflicts_p.
2535 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2536 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2537 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2539 2009-01-06 Ben Elliston <bje@au.ibm.com>
2541 * gengtype-lex.l (YY_NO_INPUT): Define.
2543 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2546 * c-common.c (handle_vector_size_attribute): Also reject
2549 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2551 PR tree-optimization/38492
2552 * graphite.c (rename_map_elt, debug_rename_elt,
2553 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2554 rename_map_elt_info, eq_rename_map_elts,
2555 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2556 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2557 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2558 (sese_build_livein_liveouts): New.
2559 (new_sese, free_sese): New.
2560 (new_scop): Call new_sese.
2561 (free_scop): Call free_sese.
2562 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2563 (register_old_new_names): Renamed register_old_and_new_names.
2564 (register_scop_liveout_renames, add_loop_exit_phis,
2565 insert_loop_close_phis, struct igp,
2566 default_liveout_before_guard, add_guard_exit_phis,
2567 insert_guard_phis, copy_renames): New.
2568 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2569 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2570 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2571 (scop_adjust_phis_for_liveouts): New.
2572 (gloog): Call scop_adjust_phis_for_liveouts.
2574 * graphite.h (struct sese): Documented. Added fields liveout,
2576 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2577 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2578 (struct scop): Added field liveout_renames.
2579 (SCOP_LIVEOUT_RENAMES): New.
2581 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2583 PR tree-optimization/38510
2584 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2585 (translate_clast): Call recompute_all_dominators before
2587 (gloog): Call recompute_all_dominators before graphite_verify.
2589 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2590 Jan Sjodin <jan.sjodin@amd.com>
2592 PR tree-optimization/38500
2593 * graphite.c (create_sese_edges): Call fix_loop_structure after
2596 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2598 * config.gcc: Add m32r*-*-rtems*.
2599 * config/m32r/rtems.h: New file.
2601 2009-01-05 Ben Elliston <bje@au.ibm.com>
2603 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2604 (.po.pox): Likewise.
2605 (po/gcc.pot): Likewise.
2607 2009-01-04 David S. Miller <davem@davemloft.net>
2609 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2610 (STARTING_FRAME_OFFSET): Always set to zero.
2612 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2614 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2615 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2616 fixed-point types, and vectors of the same.
2618 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2620 * config/mips/sync.md (*mb_barrier): Rename to...
2621 (*memory_barrier): ...this.
2623 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2625 * doc/extend.texi (Function Attributes): Move @cindex after @item
2626 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2627 and put in alphabetical order. Fix 'target' name and put in order.
2628 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2631 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2633 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2634 (memory_barrier): Expand as unspec instead of unspec_volatile.
2635 Remove mem:BLK from insn operands. Use Pmode scratch register.
2636 (*memory_barrier): Define as unspec instead of unspec_volatile.
2637 Use (match_dup 0) as input operand.
2639 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2640 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2641 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2642 scratch register. Remove operand 1.
2643 (*stbar): Define as unspec instead of unspec_volatile.
2644 Use (match_dup 0) as input operand, remove (const_int 8).
2645 (*membar): Define as unspec instead of unspec_volatile.
2646 Use (match_dup 0) as input operand, remove input operand 2.
2648 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2649 (memory_barrier): Expand as unspec instead of unspec_volatile.
2650 Remove mem:BLK from insn operands. Use Pmode scratch register.
2651 (*memory_barrier): Define as unspec instead of unspec_volatile.
2652 Use (match_dup 0) as input operand.
2654 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2655 Remove mem:BLK from insn operands. Use Pmode scratch register.
2656 Set volatile flag on operand 0.
2657 (*memory_barrier): New insn pattern.
2659 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2661 (*memory_barrier): Use (match_dup 0) as input operand.
2663 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2664 Remove mem:BLK from insn operands. Use Pmode scratch register.
2665 Set volatile flag on operand 0.
2666 (*mb_internal): New insn pattern.
2668 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2670 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2673 * function.c (struct temp_slot): Move to the section of the file
2674 that deals with temp slots. Remove field 'address'.
2675 (temp_slot_address_table): New hash table of address -> temp slot.
2676 (struct temp_slot_address_entry): New struct, items for the table.
2677 (temp_slot_address_compute_hash, temp_slot_address_hash,
2678 temp_slot_address_eq, insert_temp_slot_address): Support functions
2680 (find_temp_slot_from_address): Rewrite to use the new hash table.
2681 (remove_unused_temp_slot_addresses): Remove addresses of temp
2682 slots that have been made available.
2683 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2684 worker function for remove_unused_temp_slot_addresses.
2685 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2686 Add the temp slot address to the address -> temp slot map.
2687 (update_temp_slot_address): Update via insert_temp_slot_address.
2688 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2689 (pop_temp_slots): Likewise.
2690 (init_temp_slots): Allocate the address -> temp slot map, or empty
2691 the map if it is already allocated.
2692 (prepare_function_start): Initialize temp slot processing.
2694 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2697 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2698 Calculate the size of all stack vars assuming no packing of stack
2699 vars will happen, replacing a quadratic algorithm with a linear one.
2701 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2704 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2707 2009-01-03 Diego Novillo <dnovillo@google.com>
2709 * doc/contrib.texi: Update contributions.
2711 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2714 * builtins.c (fold_builtin_memory_op): Give up if either operand
2715 is volatile. Set srctype or desttype to non-qualified version
2719 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2722 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2724 PR rtl-optimization/35805
2725 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2726 problem if fast dce is able to remove any instructions.
2727 * dce.c (dce_process_block): Fix dump message.
2729 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2732 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2734 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2737 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2738 * tree-pretty-print.c (op_code_prio): New function.
2739 (op_prio): No longer static. Use op_code_prio.
2740 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2741 Use op_prio and op_code_prio to determine if () should be
2742 printed around operand(s) or not.
2744 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2745 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2746 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2747 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2748 pp_character instead of pp_string for single letter printing.
2750 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2752 * doc/extend.texi: Fix '#pragma GCC option' typo.
2754 2009-01-02 Richard Guenther <rguenther@suse.de>
2756 * doc/install.texi (--enable-checking): Mention different
2758 (--enable-stage1-checking): Document.
2760 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2763 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2764 case to be an error.
2766 2009-01-02 Ben Elliston <bje@au.ibm.com>
2768 * config/fp-bit.h (pack_d): Constify argument.
2769 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2770 (isnan): Constify argument.
2774 (_fpadd_parts): Constify return type.
2775 (_fpmul_parts): Likewise.
2776 (_fpdiv_parts): Likewise.
2778 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2781 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2782 warn about overwriting initializer with side-effects or
2783 -Woverride-init if !IMPLICIT.
2784 (output_init_element): Likewise. Pass IMPLICIT down to
2786 (process_init_element): Add IMPLICIT argument. Pass it down
2787 to output_init_element.
2788 (push_init_element, pop_init_level, set_designator): Adjust
2789 process_init_element callers.
2790 (set_nonincremental_init, set_nonincremental_init_from_string):
2791 Adjust add_pending_init callers.
2792 (output_pending_init_elements): Adjust output_init_element callers.
2793 * c-tree.h (process_init_element): Adjust prototype.
2794 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2795 process_init_element callers.