1 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
5 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
7 2009-03-03 Richard Guenther <rguenther@suse.de>
10 * tree.c (tree_nonartificial_location): New function.
11 * tree.h (tree_nonartificial_location): Declare.
12 * builtins.c (expand_builtin_memory_chk): Provide location
13 of the call location for artificial function pieces.
14 (maybe_emit_chk_warning): Likewise.
15 (maybe_emit_sprintf_chk_warning): Likewise.
16 (maybe_emit_free_warning): Likewise.
17 * expr.c (expand_expr_real_1): Likewise.
19 2009-03-03 Jakub Jelinek <jakub@redhat.com>
21 PR tree-optimization/39343
22 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
23 COMPONENT_REF t has ARRAY_TYPE.
25 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
28 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
29 when the type precision of the induction variable should be
30 larger than the type precision of nit.
31 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
32 * graphite.c (graphite_loop_normal_form): Same.
33 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
35 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
37 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
38 (*call_1_rex64_ms_sysv): Use named constants instead of magic
39 numbers to describe clobbbered registers.
40 (*call_value_0_rex64_ms_sysv): Ditto.
41 * config/i386/mmx.md (emms): Ditto.
44 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
46 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
49 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
51 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
52 (spu_section_type_flags): New function.
54 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
56 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
57 reg_class_contents of FLOAT_REGS into a temporary.
59 2009-03-02 Richard Guenther <rguenther@suse.de>
60 Ira Rosen <irar@il.ibm.com>
62 PR tree-optimization/39318
63 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
64 information to the vectorized statement.
66 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
69 variable. Use defined names instead of magic constants for REX SSE
72 2009-03-01 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/39331
75 * omp-low.c (lower_send_shared_vars): Do not receive new
76 values for the reference of DECL_BY_REFERENCE parms or results.
78 2009-03-01 Jan Hubicka <jh@suse.cz>
81 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
82 BLOCK_NONLOCALIZED_VAR): New macros.
83 (tree_block): Add nonlocalized_vars.
84 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
85 gen_decl_die): Add origin argument. Allow generation of die with
87 (gen_member_die, gen_type_die_with_usage, force_decl_die,
88 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
90 (gen_block_die): Fix checking for unused blocks.
91 (process_scope_var): Break out from .... ; work with origins only.
92 (decls_for_scope) ... here; process nonlocalized list.
93 (dwarf2out_ignore_block): Look for nonlocalized vars.
94 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
96 (dump_scope_block): Dump them.
97 * tree-inline.c (remap_decls): Handle nonlocalized vars.
98 (remap_block): Likewise.
99 (can_be_nonlocal): New predicate.
100 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
102 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
104 * configure: Regenerate.
106 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
108 * optc-gen.awk: No need to duplicate option flags twice.
109 Reuse help texts for duplicate options which do not have
112 * gcc.c (display_help): Document --version.
114 * gcc.c (main): If print_help_list and verbose_flag, ensure
115 driver output comes before subprocess output.
117 * optc-gen.awk: Assign all remaining fields to help string,
118 space-separated, for multi-line help in *.opt.
120 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
121 -Wno-pedantic-ms-format is for MinGW targets only.
123 * doc/options.texi (Option file format): Fix bad indentation,
124 restoring dropped sentence.
126 2009-02-28 Jan Hubicka <jh@suse.cz>
128 * tree-inline.c (tree_function_versioning): Output debug info.
130 2009-02-28 Jan Hubicka <jh@suse.cz>
133 * tree-inline.c (setup_one_parameter): Do not copy propagate
134 arguments when not optimizing.
136 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
139 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
140 (avx_addsubv4df3): Likewise.
141 (*avx_addsubv4sf3): Likewise.
142 (sse3_addsubv4sf3): Likewise.
143 (*avx_addsubv2df3): Likewise.
144 (sse3_addsubv2df3): Likewise.
145 (avx_unpckhps256): Correct item selectors.
146 (avx_unpcklps256): Likewise.
147 (avx_unpckhpd256): Likewise.
148 (avx_unpcklpd256): Likewise.
150 2009-02-28 Jan Hubicka <jh@suse.cz>
152 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
154 (copy_arguments_for_versioning): If var is declared don't declare it.
155 (tree_function_versioning): First setup substitutions and then copy
158 2009-02-27 Jan Hubicka <jh@suse.cz>
161 * cgraph.h (varpool_output_debug_info): Remove.
162 * cgraphunit.c (varpool_output_debug_info): Remove.
163 * dwarf2out.c (deferred_locations_struct): New struct
164 (deferred_locations): New type.
165 (deferred_locations_list): New static var.
166 (deffer_location): New function.
167 (gen_variable_die): Use it.
168 (decls_for_scope): Output info on local static vars.
169 (dwarf2out_finish): Process deferred locations.
170 * varpool.c (varpool_output_debug_info): Remove.
172 2009-02-27 Jan Hubicka <jh@suse.cz>
175 * tree.h (TREE_PROTECTED): Fix comment.
176 (BLOCK_HANDLER_BLOCK): Remove.
177 (struct tree_block): Remove handler_block add body_block.
178 (inlined_function_outer_scope_p): New.
179 (is_body_block): Remove.
180 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
181 * dwarf2out.c (is_inlined_entry_point): Remove.
182 (add_high_low_attributes): Use inlined_function_outer_scope_p.
183 (gen_block_die): Use is_inlined_entry_point check. Remove body block
185 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
186 * gimplify.c (gimplify_expr): Gimplify body blocks.
187 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
188 block with multiple subblocks.
189 (dump_scope_block): Prettier output; dump more flags and info.
190 (dump_scope_blocks): New.
191 (remove_unused_locals): Use dump_scope_blocks.
192 * tree-flow.h (dump_scope_blocks): Declare.
193 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
194 * stmt.c (is_body_block): Remove.
195 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
196 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
198 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
201 * graphite.c (graphite_loop_normal_form): Do not call
202 number_of_iterations_exit from a gcc_assert.
204 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
206 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
207 jumps if COND is NULL.
208 (find_cond_jump): New function.
209 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
210 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
212 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
214 * config/alpha/alpha.h (alpha_expand_mov): Return false if
215 force_const_mem returns NULL_RTX.
217 2009-02-26 Jan Hubicka <jh@suse.cz>
220 * cgraph.h (varpool_output_debug_info): Remove.
221 * cgraphunit.c (varpool_output_debug_info): Remove.
222 * dwarf2out.c (deferred_locations_struct): New struct
223 (deferred_locations): New type.
224 (deferred_locations_list): New static var.
225 (deffer_location): New function.
226 (gen_variable_die): Use it.
227 (decls_for_scope): Output info on local static vars.
228 (dwarf2out_finish): Process deferred locations.
229 * varpool.c (varpool_output_debug_info): Remove.
231 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
233 PR rtl-optimization/39241
234 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
235 to subreg_offset_representable_p.
237 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
239 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
240 execute function prototype. Get f and nregs from max_reg_num
241 and get_insns. Remove the first backward pass as it's dead,
242 guard the forward pass by flag_expensive_optimizations.
243 (rest_of_handle_regmove): Delete.
244 (pass_regmove): Replace it with regmove_optimize.
246 2009-02-25 Martin Jambor <mjambor@suse.cz>
248 PR tree-optimization/39259
249 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
250 alls_alloca function flags.
251 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
254 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
256 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
257 flags_set_1_rtx, flags_set_1_set): Delete.
258 (regmove_optimize): Do not call mark_flags_life_zones.
260 2009-02-24 Julian Brown <julian@codesourcery.com>
263 * config/arm/arm.c (require_pic_register): Only set
264 cfun->machine->pic_reg once per function.
266 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
268 * doc/invoke.texi (Link Options): Document an easier way to pass
269 options that take arguments to the GNU linker using -Xlinker and -Wl.
271 2009-02-24 Steve Ellcey <sje@cup.hp.com>
274 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
276 2009-02-24 Richard Guenther <rguenther@suse.de>
279 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
281 2009-02-24 Richard Guenther <rguenther@suse.de>
282 Zdenek Dvorak <ook@ucw.cz>
284 PR tree-optimization/39233
285 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
286 from converting them to a generic type.
288 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
290 PR tree-optimization/39260
291 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
292 contains a condition with a real type.
293 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
295 2009-02-23 Jason Merrill <jason@redhat.com>
298 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
299 narrowing_initializer_constant_valid_p.
300 (narrowing_initializer_constant_valid_p): Don't return
301 null_pointer_node for adding a pointer to itself.
303 2009-02-23 Jan Hubicka <jh@suse.cz>
306 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
309 2009-02-23 Jan Hubicka <jh@suse.cz>
311 PR tree-optimization/37709
312 * tree.c (block_ultimate_origin): Move here from dwarf2out.
313 * tree.h (block_ultimate_origin): Declare.
314 * dwarf2out.c (block_ultimate_origin): Move to tree.c
315 * tree-ssa-live.c (remove_unused_scope_block_p):
316 Eliminate blocks containig no instructions nor live variables nor
318 (dump_scope_block): New function.
319 (remove_unused_locals): Enable removal of dead blocks by default;
320 enable dumping at TDF_DETAILS.
322 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
324 * config/i386/i386.c (classify_argument): Don't allow COImode
326 (function_arg_advance_32): Don't allow OImode.
327 (function_arg_32): Likewise.
328 (function_value_32): Likewise.
329 (return_in_memory_32): Likewise.
330 (function_arg_64): Remove OImode comment.
332 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
335 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
336 ix86_expand_vector_set for V4DImode in 64bit mode only.
337 (ix86_expand_vector_init_one_var): Likewise.
339 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
341 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
343 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
346 * loop-iv.c: Revert last change.
347 * emit-rtl.c: Likewise.
349 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
352 * config/i386/i386.c (type_natural_mode): Remove an extra
353 space in the warning message.
354 (function_value_32): Handle 32-byte vector modes.
355 (return_in_memory_32): Likewise.
357 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
359 * loop-iv.c (truncate_value): New function.
360 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
362 (lowpart_subreg): Move to...
363 * emit-rtl.c: ...here.
365 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
367 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
368 accidental and undocumented change at revision 140860.
370 2009-02-21 Joseph Myers <joseph@codesourcery.com>
372 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
373 take gimple_seq * arguments.
374 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
375 types_compatible_p langhook.
377 2009-02-20 Mark Mitchell <mark@codesourcery.com>
378 Joseph Myers <joseph@codesourcery.com>
380 * config/arm/arm.c (arm_builtin_va_list): New function.
381 (arm_expand_builtin_va_start): Likewise.
382 (arm_gimplify_va_arg_expr): Likewise.
383 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
384 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
385 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
386 (va_list_type): New variable.
387 (arm_mangle_type): Mangle va_list_type appropriately.
389 2009-02-20 Jakub Jelinek <jakub@redhat.com>
392 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
393 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
394 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
395 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
396 parameter to 1000 for -O1 by default.
397 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
399 * loop-invariant.c: Include params.h.
400 (move_loop_invariants): Don't call move_single_loop_invariants on
403 2009-02-20 Jaka Mocnik <jaka@xlab.si>
405 * calls.c (emit_library_call_value_1): Use slot_offset instead of
406 offset when calculating bounds for indexing stack_usage_map. Fixes
407 a buffer overflow with certain target setups.
409 2009-02-20 Jakub Jelinek <jakub@redhat.com>
412 * calls.c (expand_call): Clear try_tail_call if caller and callee
413 disagree in promotion of function return value.
415 2009-02-19 Jakub Jelinek <jakub@redhat.com>
418 * c-common.c (c_determine_visibility): If visibility changed and
419 DECL_RTL has been already set, call make_decl_rtl to update symbol
422 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
425 * varasm.c (assemble_variable): Don't check DECL_NAME when
426 globalizing a variable.
428 2009-02-19 Joseph Myers <joseph@codesourcery.com>
431 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
432 expression before any __builtin_trap call.
433 * c-typeck.c (build_function_call): Convert and check function
434 arguments before generating a call to a trap. Evaluate the
435 function arguments before the trap.
437 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
440 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
441 (UNSPEC_FXAM_MEM): New unspec.
442 (fxam<mode>2_i387_with_temp): New insn and split pattern.
443 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
444 memory using fxam<mode>2_i387_with_temp to remove excess precision.
446 2009-02-19 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/39207
449 PR tree-optimization/39074
450 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
451 storedanything_tree): New.
452 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
453 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
454 (build_succ_graph): Add edges from STOREDANYTHING to all
456 (init_base_vars): Initialize STOREDANYTHING.
457 (compute_points_to_sets): Free substitution info after
458 building the succ graph.
459 (ipa_pta_execute): Likewise.
461 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
463 (do_ds_constraint): Do not add to special var or non-pointer
465 (type_could_have_pointers): Split out from ...
466 (could_have_pointers): ... here. For arrays use the element type.
467 (create_variable_info_for): Initialize may_have_pointers.
468 (new_var_info): Likewise.
469 (handle_lhs_call): Make the HEAP variable unknown-sized.
470 (intra_create_variable_infos): Use a type with pointers for
471 PARM_NOALIAS, make it unknown-sized.
473 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
476 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
478 2009-02-18 Jason Merrill <jason@redhat.com>
481 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
482 value if DECL_EXTERNAL.
483 * tree-sra.c (sra_walk_gimple_assign): Likewise.
484 * target.h (gcc_target::binds_local_p): Clarify "module".
485 * tree.h (TREE_PUBLIC): Clarify "module".
487 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
490 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
491 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
493 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
496 * c.opt (Wabi): Support C and ObjC.
499 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
501 * config/i386/i386.c (classify_argument): Warn once about the ABI
502 change when passing union with long double.
504 * doc/invoke.texi: Update -Wabi for warning psABI changes.
506 2009-02-18 Joseph Myers <joseph@codesourcery.com>
509 * c-parser.c (c_parser_compound_statement): Always enter and leave
512 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
515 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
517 2009-02-18 Jakub Jelinek <jakub@redhat.com>
519 PR tree-optimization/36922
520 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
521 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
524 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
526 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
529 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
531 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
533 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
535 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
538 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
539 Richard Sandiford <rdsandiford@googlemail.com>
541 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
542 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
543 (loongson_biadd): ...this.
545 2009-02-17 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/39202
548 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
549 a var make sure to follow existing collapses.
551 2009-02-17 Richard Guenther <rguenther@suse.de>
554 * langhooks.c (lhd_print_error_function): Check for NULL block.
556 2009-02-17 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/39204
559 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
562 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
564 * config/soft-fp/double.h: Update from glibc CVS.
566 2009-02-17 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/39207
569 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
570 strict-aliasing warnings for pointers pointing to NULL.
572 2009-02-16 Joseph Myers <joseph@codesourcery.com>
575 * c-parser.c (c_parser_braced_init): Call pop_init_level when
576 skipping until next close brace.
578 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
581 * config/i386/i386.c (ix86_expand_push): Set memory alignment
582 to function argument boundary.
584 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
586 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
587 in the lea_add. Reload eventually constraints it properly.
588 * config/picochip/constraints.md : Remove the target constraint
589 "b", since it is not needed anymore.
591 2009-02-16 Jakub Jelinek <jakub@redhat.com>
593 * gthr-dce.h: Uglify function parameter and local variable names.
594 * gthr-gnat.h: Likewise.
595 * gthr-mipssde.h: Likewise.
596 * gthr-nks.h: Likewise.
597 * gthr-posix95.h: Likewise.
598 * gthr-posix.h: Likewise.
599 * gthr-rtems.h: Likewise.
600 * gthr-single.h: Likewise.
601 * gthr-solaris.h: Likewise.
602 * gthr-tpf.h: Likewise.
603 * gthr-vxworks.h: Likewise.
604 * gthr-win32.h: Likewise.
606 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
609 * config/i386/i386.md: Restrict the new peephole2 to move
610 between MMX/SSE registers.
612 2009-02-15 Richard Guenther <rguenther@suse.de>
615 2009-02-13 Richard Guenther <rguenther@suse.de>
617 * configure.ac: Enable LFS.
618 * configure: Re-generate.
619 * config.in: Likewise.
621 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
623 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
624 spu_srqwbyte, spu_srqwbytebc): Define.
625 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
626 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
627 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
628 "shrqby_<mode>"): New insn-and-split patterns.
629 * config/spu/spu.c (expand_builtin_args): Determine and return
630 number of operands using spu_builtin_description data.
631 (spu_expand_builtin_1): Use it.
633 2009-02-13 Steve Ellcey <sje@cup.hp.com>
636 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
639 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
642 * config/i386/i386.c (override_options): Correct warning
643 messages for -malign-loops, -malign-jumps and -malign-functions.
645 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
648 * config/i386/i386.md: Restrict the new peephole2 to move
649 between the general purpose registers.
651 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
654 * config/i386/i386.c (type_natural_mode): Add a new argument.
655 Return the original mode and warn ABI change if vector size is 32byte.
656 (function_arg_advance): Updated.
657 (function_arg): Likewise.
658 (ix86_function_value): Likewise.
659 (ix86_return_in_memory): Likewise.
660 (ix86_sol10_return_in_memory): Likewise.
661 (ix86_gimplify_va_arg): Likewise.
662 (function_arg_32): Don't warn ABX ABI change here.
663 (function_arg_64): Likewise.
665 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
667 * loop-iv.c (implies_p): In the final case, test that operands 0
668 of the two comparisons match.
670 * config/bfin/bfin.c (find_prev_insn_start): New function.
671 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
672 (find_next_insn_start): Move.
674 2009-02-13 Richard Guenther <rguenther@suse.de>
676 * configure.ac: Enable LFS.
677 * configure: Re-generate.
678 * config.in: Likewise.
680 2009-02-13 Joseph Myers <joseph@codesourcery.com>
683 * c-parser.c (c_parser_parms_list_declarator): Discard pending
684 sizes on syntax error after some arguments have been parsed.
686 2009-02-12 Jakub Jelinek <jakub@redhat.com>
688 * doc/invoke.texi (-fira): Remove.
690 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
692 * caller-save.c: Replace regclass.c with reginfo.c in comments.
696 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
698 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
699 (umul_ppmm): Likewise.
700 (count_leading_zeros): Likewise.
701 (count_trailing_zeros): Likewise.
702 (UMUL_TIME): Likewise.
704 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
706 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
707 soft-fp/t-softfp to tmake_file.
709 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
710 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
711 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
712 IA64_BUILTIN_INFQ]: New.
713 (ia64_init_builtins): Initialize __builtin_infq,
714 __builtin_fabsq and __builtin_copysignq if not HPUX.
715 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
716 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
718 * config/ia64/lib1funcs.asm (__divtf3): Define only if
720 (__fixtfti): Likewise.
721 (__fixunstfti): Likewise.
722 (__floattitf): Likewise.
724 * config/ia64/libgcc-glibc.ver: New.
725 * config/ia64/t-fprules-softfp: Likewise.
726 * config/ia64/sfp-machine.h: Likewise.
728 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
729 (LIBGCC2_TF_CEXT): Likewise.
731 (TARGET_INIT_LIBFUNCS): Likewise.
733 * config/ia64/t-glibc (SHLINB_MAPFILES):
734 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
736 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
738 * config/i386/i386.c (construct_container): Rewrite processing
739 BLKmode with X86_64_SSE_CLASS.
741 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
744 * config/i386/i386.md: Replace simplify_replace_rtx with
745 replace_rtx in the new peephole2.
747 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
749 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
750 loop unrolling do not happen at -O2.
752 2009-02-12 Michael Matz <matz@suse.de>
754 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
756 2009-02-12 Jakub Jelinek <jakub@redhat.com>
758 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
761 2009-02-12 Ben Elliston <bje@au.ibm.com>
763 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
764 patterns when updating the back chain. Missed in the 2009-02-10
767 2009-02-11 Janis Johnson <janis187@us.ibm.com>
769 * doc/extend.texi (Decimal Floating Types): Update identifier of
770 draft TR and list of missing support.
772 2009-02-11 Jakub Jelinek <jakub@redhat.com>
775 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
776 bit to variable length decl's flags, add it also to its
777 pointer replacement variable.
779 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
780 Jakub Jelinek <jakub@redhat.com>
783 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
784 (memory_blockage): New expander.
785 (*memory_blockage): New insn pattern.
786 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
787 instead of general blockage at the end of function prologue when
788 frame pointer is used to access red zone area. Do not emit blockage
789 when profiling, it is emitted in generic code.
790 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
791 function epilogue when frame pointer is used to access red zone area.
793 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
796 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
797 by arithmetic with memory operands.
798 * config/i386/predicates.md (commutative_operator): New.
800 2009-02-10 Janis Johnson <janis187@us.ibm.com>
802 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
805 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
807 * alias.h (record_alias_subset): Declare.
808 * alias.c (record_alias_subset): Make global.
810 2009-02-10 Nick Clifton <nickc@redhat.com>
812 * tree-parloops.c: Change license to GPLv3.
813 * ipa-struct-reorg.c: Change license to GPLv3.
814 * ipa-struct-reorg.h: Change license to GPLv3.
816 2009-02-10 Steve Ellcey <sje@cup.hp.com>
819 * c-decl.c (start_struct): Return NULL on error.
821 2009-02-10 Jakub Jelinek <jakub@redhat.com>
824 * cfgloopmanip.c (remove_path): Call remove_bbs after
825 cancel_loop_tree, not before it.
828 * function.h (struct function): Add has_local_explicit_reg_vars bit.
829 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
831 * tree-ssa-live.c (remove_unused_locals): Recompute
832 cfun->has_local_explicit_reg_vars.
833 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
834 copies or clearings if cfun->has_local_explicit_reg_vars.
836 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
839 * config/i386/i386.c (expand_prologue): Emit blockage at the end
840 of function prologue when frame pointer is used to access
843 2009-02-10 Richard Guenther <rguenther@suse.de>
846 * gimplify.c (gimple_regimplify_operands): Always look if
847 we need to create a temporary.
849 2009-02-10 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/39132
852 * tree-loop-distribution.c (todo): New global var.
853 (generate_memset_zero): Trigger TODO_rebuild_alias.
854 (tree_loop_distribution): Return todo.
856 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
859 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
860 (x86_64_reg_class_name): Removed.
861 (classify_argument): Return 0 if bytes > 32. Return 0 if the
862 first one isn't X86_64_SSE_CLASS or any other ones aren't
863 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
864 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
865 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
866 and 3 X86_64_SSEUP_CLASS.
867 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
868 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
870 2009-02-10 Ben Elliston <bje@au.ibm.com>
872 * config/rs6000/rs6000.md (allocate_stack): Always use an update
873 form instruction to update the stack back chain word, even if the
874 user has disabled the generation of update instructions.
875 (movdi_<mode>_update_stack): New.
876 (movsi_update_stack): Likewise.
877 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
878 always use an update form instruction to update the stack back
881 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
884 * graphite.c (if_region_set_false_region): After moving a region in
885 the false branch of a condition, remove the empty dummy basic block.
886 (gloog): Remove wrong fix for PR38953.
888 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
890 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
891 generation due to implicit sign extension.
893 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
896 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
897 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
899 2009-02-09 Richard Guenther <rguenther@suse.de>
902 * convert.c (convert_to_real): Disable (float)fn((double)x)
903 to fnf(x) conversion if errno differences may occur and
906 2009-02-07 Anatoly Sokolov <aesok@post.ru>
908 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
909 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
910 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
912 2009-02-06 Joseph Myers <joseph@codesourcery.com>
915 * c-common.c (handle_alias_attribute): Disallow attribute for
916 anything not a FUNCTION_DECL or VAR_DECL.
918 2009-02-06 Janis Johnson <janis187@us.ibm.com>
921 * real.c (do_compare): Special-case compare of zero against
924 2009-02-06 Joseph Myers <joseph@codesourcery.com>
927 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
928 as indicating flexible array members unless the field itself is
929 being declarared as the incomplete array.
931 2009-02-06 Jan Hubicka <jh@suse.cz>
933 PR tree-optimization/38844
934 * ipa-inline.c (try_inline): Stop inlining recursion when edge
937 2009-02-06 Richard Guenther <rguenther@suse.de>
940 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
941 fork because we may expand it as __gcov_fork.
943 2009-02-06 Nick Clifton <nickc@redhat.com>
945 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
947 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
949 PR tree-optimization/35659
950 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
951 vn_phi_eq): Shortcut if hashcode does not match.
952 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
954 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
955 and avoid iterative_hash_expr.
956 (FOR_EACH_VALUE_ID_IN_SET): New.
957 (value_id_compare): Remove.
958 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
959 sort expressions by value id.
961 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
964 * config/sh/predicates.md (general_movsrc_operand): Don't check
965 the subreg of system registers here.
967 2009-02-05 Jakub Jelinek <jakub@redhat.com>
970 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
973 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
975 PR rtl-optimization/39110
976 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
977 addresses, not aligned ones.
979 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
980 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/39100
983 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
984 comment says and add edges.
986 2009-02-05 Joseph Myers <joseph@codesourcery.com>
989 * c-common.c (handle_tls_model_attribute): Ignore attribute for
990 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
992 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
994 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
995 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
996 register_bb_in_sese, new_sese, free_sese): Moved.
997 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
998 outermost_loop_in_scop, build_scop_iteration_domain,
999 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1000 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1001 Use loop_in_sese_p instead of loop_in_scop_p.
1002 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1003 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1004 (scopdet_basic_block_info): Fix bug in scop detection.
1005 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1006 eq_loop_to_cloog_loop): Remove.
1007 (nb_loops_around_loop_in_scop, nb_loop
1008 ref_nb_loops): Moved here...
1009 * graphite.h (ref_nb_loops): ... from here.
1010 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1011 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1012 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1013 * testsuite/gcc.dg/graphite/scop-19.c: New
1015 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1016 Hans-Peter Nilsson <hp@axis.com>
1018 PR rtl-optimization/37889
1019 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1020 Move offset handling from PLUS to before the switch. Use new
1021 arguments when considering SYMBOL_REFs too.
1022 (rtx_addr_can_trap_p): Pass dummy offset and size.
1023 (enum may_trap_p_flags): Remove.
1024 (may_trap_p_1): Pass size from MEM_SIZE.
1026 PR rtl-optimization/38921
1027 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1028 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1029 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1030 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1032 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1034 AVX Programming Reference (January, 2009)
1035 * config/i386/sse.md (*vpclmulqdq): New.
1037 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1039 PR tree-optimization/38977
1040 PR gcov-profile/38292
1041 * calls.c (special_function_p): Disregard __builtin_ prefix.
1043 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1045 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1046 non-indexable addresses even before reload.
1048 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1051 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1052 as having variable size. Do not give an error for unnamed
1053 parameters with [*] declarators. Give a warning for type names
1054 with [*] declarators and mark them as variable size.
1055 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1056 for sizeof applied to [*] type names.
1058 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1061 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1063 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1065 * gcc.c (process_command): Update copyright notice dates.
1066 * gcov.c (print_version): Likewise.
1067 * gcov-dump.c (print_version): Likewise.
1068 * mips-tfile.c (main): Likewise.
1069 * mips-tdump.c (main): Likewise.
1071 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1074 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1075 for composite type involving a zero-length array type.
1077 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1080 * function.c (match_asm_constraints_1): Skip over
1081 initial optional % in the constraint.
1084 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1085 supported, don't accept FIXED_CSTs.
1086 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1087 and _Sat is used without _Fract/_Accum. Set specs->type to
1088 integer_type_node for cts_fract/cts_accum if fixed point is not
1091 2009-02-02 Catherine Moore <clm@codesourcery.com>
1093 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1095 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1097 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1098 (ABI_HAS_64BIT_SYMBOLS): Use it.
1099 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1101 2009-02-02 Paul Brook <paul@codesourcery.com>
1103 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1105 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1108 * recog.h (asm_operand_ok): Add constraints argument.
1109 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1110 recurse on matching constraint.
1111 (check_asm_operands): Pass constraints as 3rd argument to
1112 asm_operand_ok. Don't look up matching constraint here.
1113 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1116 2009-02-02 Ben Elliston <bje@au.ibm.com>
1118 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1119 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1121 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1123 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1124 information. Remove some obsolete information. Reorganize.
1126 * config/pa/fptr.c: Revert license to GPL 2.
1127 * config/pa/milli64.S: Likewise.
1129 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1132 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1133 LIBRARY name in, instead of hard-coding it.
1134 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1135 extra target make frag to tmake_files according to EH model.
1136 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1137 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1138 frags that define makefile variable EH_MODEL appropriately.
1139 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1140 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1141 to "-sjlj" according to type of EH configured.
1142 (LIBGCC_SONAME): Concatenate it to shared library base name.
1143 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1144 to "_sjlj" according to type of EH configured.
1145 (LIBGCC_SONAME): Concatenate it to shared library base name.
1146 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1147 (SHLIB_LINK): Add missing semicolon to if-else construct.
1148 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1149 string value of "pe_dll" command-line option.
1150 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1151 (SHLIB_SONAME): Use it when overriding t-cygming default.
1152 (SHLIB_IMPLIB): Override t-cygming default.
1153 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1154 string value of "pe_dll" command-line option.
1156 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1159 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1160 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1162 2009-01-31 Richard Guenther <rguenther@suse.de>
1164 PR tree-optimization/38937
1165 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1166 computing the transitive closure.
1168 2009-01-30 Richard Guenther <rguenther@suse.de>
1170 PR tree-optimization/39041
1171 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1172 Propagate variable indices only if the types match for this stmt.
1174 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1177 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1178 inline but never defined.
1180 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1182 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1183 (*insv_h_di_reg_extimm): New insn.
1184 (*insv_l<mode>_reg_extimm): New insn.
1186 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1188 * config/picochip/picochip.c (flag_conserve_stack): set
1189 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1190 fconserve-stack. Reduce call-overhead used by inliner.
1192 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1195 * common.opt (flag_conserve_stack): Initialised to zero.
1197 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1200 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1201 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1204 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1206 * ira-color.c (allocno_reload_assign): Update comments.
1207 * regmove.c (regmove_optimize): Likewise.
1211 2009-01-29 Robert Millan <rmh@aybabtu.com>
1213 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1214 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1215 `MD_UNWIND_SUPPORT'.
1216 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1218 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1220 PR tree-optimization/39007
1221 * tree-loop-distribution.c (generate_builtin): Use
1222 recompute_dominator to compute the immediate dominator of the
1223 basic block just after the loop.
1225 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1227 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1228 (ASM_OUTPUT_DWARF_PCREL): Define.
1230 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1232 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1233 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1234 global. Modify entries about regmove and IRA.
1236 * ra-conflict.c: Remove the file.
1238 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1240 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1241 (pass_regclass_init): Rename to pass_reginfo_init.
1243 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1245 * toplev.h (flag_ira): Remove.
1247 * caller-save.c (setup_save_areas): Remove flag_ira.
1249 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1251 * global.c: Remove the file.
1253 * opts.c: (decode_options): Remove flag_ira.
1255 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1257 * regmove.c: Modify file description.
1258 (find_use_as_address, try_auto_increment): Define them only if
1259 AUTO_INC_DEC is defined.
1260 (replacement_quality, replace_in_call_usage, fixup_match_1,
1261 stable_and_no_regs_but_for_p): Remove.
1262 (reg_set_in_bb): Make it static.
1263 (regmove_optimize): Remove flag_ira and code which worked for
1266 * local-alloc.c: Remove the file.
1268 * common.opt (fira): Remove.
1270 * ira.c: Include except.h.
1271 (eliminable_regset): Move from global.c.
1272 (mark_elimination): Ditto. Remove flag_ira.
1273 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1274 equiv_mem_modified, validate_equiv_mem_from_store,
1275 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1276 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1277 no_equiv, recorded_label_ref): Move from local-alloc.c.
1278 (update_equiv_regs): Ditto. Make it static.
1279 (print_insn_chain, print_insn_chains): Move it from global.c.
1280 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1281 (build_insn_chain): Ditto. Make it static.
1282 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1283 Rename to init_live_subregs.
1284 (gate_ira): Remove flag_ira.
1286 * regclass.c: Rename reginfo.c. Change file description.
1287 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1288 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1289 (init_reg_sets_1): Remove code for evaluation of
1290 reg_class_superclasses and losing_caller_save_reg_set.
1291 (init_regs): Remove init_reg_autoinc.
1292 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1293 ok_for_base_p_nonstrict): Remove.
1294 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1295 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1296 corresponding entries.
1297 (dump_regclass, record_operand_costs, scan_one_insn,
1298 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1299 record_address_regs, auto_inc_dec_reg_p): Remove.
1300 (gt-regclass.h): Rename to gt-reginfo.h.
1302 * rtl.h (dump_global_regs, retry_global_alloc,
1303 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1305 * Makefile.in (RA_H): Remove.
1306 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1307 Rename regclass.o to reginfo.o.
1308 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1310 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1311 (GTFILES): Rename regclass.c to reginfo.c.
1313 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1314 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1316 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1317 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1319 (finish_spills): Ditto. Remove code for !flag_ira.
1321 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1324 * doc/invoke.texi (rtl debug options): Complete rewrite.
1325 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1327 * mode-switching.c (pass_mode_switching): Rename pass from
1328 "mode-sw" to "mode_sw".
1329 * except.c (pass_convert_to_eh_ranges): Rename pass from
1330 "eh-ranges" to "eh_ranges".
1331 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1335 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1336 Alexander Monakov <amonakov@ispras.ru>
1339 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1341 (move_exprs_to_boundary): Change return type and pass through
1342 should_move from move_op. Relax assert. Update usage ...
1343 (schedule_expr_on_boundary): ... here. Use should_move instead of
1345 (move_op_orig_expr_found): Indicate that insn was disconnected from
1347 (code_motion_process_successors): Do not call after_merge_succs
1348 callback if original expression was not found when traversing any of
1350 (code_motion_path_driver): Change return type. Update prototype.
1351 (move_op): Update comment. Add a new parameter (should_move). Update
1352 prototype. Set *should_move based on indication provided by
1353 move_op_orig_expr_found.
1355 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1357 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1358 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1359 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1360 * config/rs6000/rs6000.c (rs6000_override_options): Default
1361 avoid-indexed-addresses on for Power6, off for everything else.
1362 (avoiding_indexed_address_p): New function.
1363 (rs6000_legitimize_address): Use it.
1364 (rs6000_legitimate_address): Likewise.
1365 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1367 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1369 PR tree-optimization/38997
1370 * tree-loop-distribution.c (generate_memset_zero): Use
1371 POINTER_PLUS_EXPR for a pointer addition.
1373 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1375 * config/s390/s390.md (bswap<mode>2): New pattern added.
1377 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1379 * config/s390/s390.md (*tls_load_31): Added type attribute.
1381 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1383 * config/s390/s390.md: Fix a few comments.
1385 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1387 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1388 (*tm<mode>_full): Fixed z10prop attribute.
1389 (*tst<mode>_extimm): Fixed z10prop attribute.
1390 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1391 (*tstqiCCT_cconly): Fixed z10prop attribute.
1392 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1393 (*movsi_larl): Fixed z10prop attribute.
1394 (*movsi_zarch): Fixed z10prop attribute.
1395 (*movsi_eas): Fixed z10prop attribute.
1396 (*movhi): Fixed z10prop attribute.
1397 (*movqi): Fixed z10prop attribute.
1398 (*movstrictqi): Fixed z10prop attribute.
1399 (*mov<mode>): Fixed z10prop attribute.
1400 (*movcc): Fixed z10prop attribute.
1401 (*sethighpartdi_64): Fixed z10prop attribute.
1402 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1403 (*negdi2_sign_cc): Fixed z10prop attribute.
1404 (*negdi2_sign): Fixed z10prop attribute.
1405 (*absdi2_sign_cc): Fixed z10prop attribute.
1406 (*absdi2_sign): Fixed z10prop attribute.
1407 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1408 (*negabsdi2_sign): Fixed z10prop attribute.
1409 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1410 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1411 (doloop_si64): Fixed z10prop attribute.
1412 (doloop_si31): Fixed z10prop attribute.
1413 (doloop_long): Fixed z10prop attribute.
1414 (indirect_jump): Fixed z10prop attribute.
1415 (nop): Fixed z10prop attribute.
1416 (main_base_64): Fixed z10prop attribute.
1417 (reload_base_64): Fixed z10prop attribute.
1419 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1421 PR rtl-optimization/38740
1422 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1424 * config/mips/mips.c (mips_reorg): Likewise.
1426 2009-01-28 Richard Guenther <rguenther@suse.de>
1428 PR tree-optimization/38926
1429 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1430 with the correct value id to a value.
1431 (do_regular_insertion): Use the value number of edoubleprime
1432 for the value number of the expr.
1435 2008-08-21 Richard Guenther <rguenther@suse.de>
1437 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1438 a PHI ask VN if it is already available.
1439 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1440 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1442 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1445 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1446 set to varying whenever max has TREE_OVERFLOW set, similarly
1447 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1449 2009-01-28 Richard Guenther <rguenther@suse.de>
1452 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1453 uninitialized aggregate uses in call arguments.
1455 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1457 PR tree-optimization/38984
1458 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1459 the nothing_id variable if -fno-delete-null-pointer-checks.
1461 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1464 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1465 (set_got_offset_rex64): Ditto.
1467 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1470 * doc/extend.texi: Improve local variable with asm reg.
1472 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1474 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1475 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1476 was not supplied then set warn_packed_bitfield_compat to the
1478 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1481 2009-01-27 Richard Guenther <rguenther@suse.de>
1483 PR tree-optimization/38503
1484 * cfgexpand.c (expand_gimple_basic_block): Ignore
1485 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1486 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1487 variables that cannot have TBAA applied.
1488 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1491 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1494 * calls.c (initialize_argument_information): Do not wrap complex
1495 arguments in SAVE_EXPR.
1497 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1499 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1500 (INSTALL_LIBGCC): Revert typo commit.
1502 2009-01-26 Richard Guenther <rguenther@suse.de>
1504 PR tree-optimization/38745
1505 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1506 from special handling.
1508 2009-01-26 Richard Guenther <rguenther@suse.de>
1510 PR tree-optimization/38745
1511 * tree-ssa.c (execute_update_addresses_taken): Do not include
1512 variables that cannot possibly be a register in not_reg_needs.
1513 Do not clear TREE_ADDRESSABLE on vars that may not become
1515 * tree-ssa.c (update_alias_info_1): Include those in the set
1516 of addressable vars.
1518 2009-01-26 Richard Guenther <rguenther@suse.de>
1521 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1522 * tree-ssa-dse.c: Include langhooks.h
1523 (execute_simple_dse): Remove stores with zero size.
1525 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1528 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1531 2009-01-24 Julian Brown <julian@codesourcery.com>
1533 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1534 config/arm/linux-atomic.c.
1535 * config/arm/linux-atomic.c: New.
1537 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1539 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1540 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1541 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1543 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1546 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1549 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1551 PR tree-optimization/38953
1552 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1553 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1554 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1555 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1558 2009-01-24 Paul Brook <paul@codesourcery.com>
1560 * config/arm/neon.md (neon_type): Move to arm.md.
1561 (neon_mov<VSTRUCT>): Add neon_type attribute.
1562 * config/arm/arm.md (neon_type): Move to here.
1563 (conds): Add "unconditioal" and use as default for NEON insns.
1565 2009-01-24 Ben Elliston <bje@au.ibm.com>
1567 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1568 void *' warning from -Wc++-compat.
1569 * Makefile.in (dominance.o-warn): Remove.
1571 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1573 PR tree-optimization/38932
1574 * fold-const.c (fold_unary_ignore_overflow): New.
1575 * tree.h (fold_unary_ignore_overflow): Declare.
1576 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1577 * tree-ssa-sccvn.c (visit_reference_op_load,
1578 simplify_unary_expression): Likewise.
1580 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1582 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1583 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1584 regardless of their type.
1585 * c-common.c (handle_packed_attribute): Don't ignore packed on
1587 * c.opt (Wpacked-bitfield-compat): New warning option.
1588 * stor-layout.c (place_field): Warn if offset of a field changed.
1589 * doc/extend.texi (packed): Mention the ABI change.
1590 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1591 (Warning Options): Add it to the list.
1593 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1595 * c-opts.c (c_common_post_options): Fix a typo in comments.
1597 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1600 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1601 variables to static.
1602 * doc/invoke.texi (-fmerge-all-constants): Update description.
1604 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1607 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1608 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1610 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1612 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1614 (LOCAL_ALIGNMENT): Similarly.
1616 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1617 Joseph Myers <joseph@codesourcery.com>
1619 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1620 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1621 * config/arm/arm-tune.md: Regenerate.
1622 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1625 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1627 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1628 version number to five.
1630 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1633 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1634 * c-common.c (set_underlying_type): Likewise.
1635 (is_typedef_decl ): Likewise
1637 (set_underlying_type): Likewise.
1638 (is_typedef_type): Likewise.
1640 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1643 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1646 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1649 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1650 (LIBGCC_SPEC): Don't define.
1651 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1653 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1655 PR rtl-optimization/38879
1656 * alias.c (base_alias_check): Unaligned access via AND address can
1657 alias all surrounding object types except those with sizes equal
1658 or wider than the size of unaligned access.
1660 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1663 * c-decl.c: (clone_underlying_type): Move this ...
1664 * c-common.c (set_underlying_type): ... here.
1665 Also, make sure the function properly sets TYPE_STUB_DECL() on
1666 the newly created typedef variant type.
1667 (is_typedef_decl ): New entry point.
1668 * tree.h: Added a new member member_types_needing_access_check to
1669 struct tree_decl_non_common.
1670 (set_underlying_type): New entry point.
1671 (is_typedef_type): Likewise.
1673 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1675 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1676 Check whether two instructions have memory references that
1677 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1678 are helper functions for traversing.
1679 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1680 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1681 not to draw dependency edge for instructions with non-conflicting
1684 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1687 * longlong.h: Update copyright years. Use soft-fp license notice.
1688 Sync __clz_tab declaration with glibc.
1690 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1693 * doc/extend.texi (syscall_linkage): New.
1694 (version_id): Modify.
1696 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1697 Richard Guenther <rguenther@suse.de>
1699 PR tree-optimization/38747
1700 PR tree-optimization/38748
1701 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1702 conversion if the base address is an indirect reference and the
1703 aliasing sets could cause issues.
1705 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1707 * common.opt (fgraphite, fgraphite-identity): Add comment for
1708 explaining why these options are not documented.
1710 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1712 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1713 gimple_call_lhs is NULL.
1715 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1718 * emit-rtl.c (adjust_address_1): Make sure memref is never
1721 2009-01-20 Ben Elliston <bje@au.ibm.com>
1723 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1724 const qualifier from arg parameter. Remove unnecessary cast to char *.
1725 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1726 const qualifier from arg 2.
1728 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1730 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1732 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1735 * rtl.h (reinit_regs): New prototype.
1736 * regclass.c: Include ira.h.
1738 * Makefile.in (regclass.o): Add ira.h.
1739 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1741 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1744 * c-common.c (handle_aligned_attribute): Use
1745 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1746 default alignment value.
1748 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1750 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1751 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1753 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1754 __BIGGEST_ALIGNMENT__.
1756 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1758 2009-01-18 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/38819
1761 * tree-flow.h (operation_could_trap_helper_p): Declare.
1762 * tree-eh.c (operation_could_trap_helper_p): Export.
1763 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1764 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1765 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1766 are about to insert a possibly trapping instruction and fail
1769 2009-01-18 Andreas Schwab <schwab@suse.de>
1771 * doc/install.texi (Configuration): Remove obsolete paragraph
1772 about use of --with-gnu-ld with --with-gnu-as.
1774 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1776 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1777 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1778 Follow spelling conventions.
1780 2009-01-18 Ben Elliston <bje@au.ibm.com>
1782 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1783 C++ warning about implicit conversion from void * to struct
1785 (bitmap_obstack_free): Likewise for bitmap_element *.
1786 * Makefile.in (bitmap.o-warn): Remove.
1788 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1790 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1792 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1793 Tobias Grosser <tobi.grosser@amd.com>
1795 * graphite.c (graphite_trans_scop_block): Do not block single
1798 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1800 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1801 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1802 test with assertion.
1804 2009-01-16 Richard Guenther <rguenther@suse.de>
1806 PR tree-optimization/38835
1808 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1809 and INT + PTR -> (INT)(PTR p+ INT) folding.
1810 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1812 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1815 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1816 the subreg from a lowpart subreg if it is also casting the value.
1818 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1819 Tobias Grosser <tobi.grosser@amd.com>
1821 * graphite.c (compare_prefix_loops): New.
1822 (build_scop_canonical_schedules): Rewritten.
1823 (graphite_transform_loops): Move build_scop_canonical_schedules
1824 after build_scop_iteration_domain.
1826 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1827 Tobias Grosser <tobi.grosser@amd.com>
1829 * graphite.c (add_conditions_to_domain): Add the loops to
1830 the dimension of the iteration domain. Do copy the domain
1831 only when it exists.
1832 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1833 (add_conditions_to_constraints): New.
1834 (can_generate_code_stmt, can_generate_code): Removed.
1835 (gloog): Do not call can_generate_code.
1836 (graphite_transform_loops): Call add_conditions_to_constraints
1837 after building the iteration domain.
1839 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1841 PR tree-optimization/38789
1842 * tree-ssa-threadedge.c
1843 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1844 __builtin_constant_p.
1846 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1848 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1849 examined before deleting them.
1851 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1853 * function.c (aggregate_value_p): Correctly extract the function
1854 type from CALL_EXPR_FN lookup.
1856 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1858 * config/picochip/picochip.c (picochip_override_options): Revert
1859 CFI asm flag disable commited previously.
1861 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1862 Tobias Grosser <tobi.grosser@amd.com>
1863 Jan Sjodin <jan.sjodin@amd.com>
1865 * graphite.c (scan_tree_for_params): On substractions negate
1866 all the coefficients of the term.
1867 (clast_to_gcc_expression_red): New. Handle reduction expressions
1868 of more than two operands.
1869 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1870 (get_vdef_before_scop): Handle also the case of default definitions.
1872 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1874 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1875 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1876 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1878 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1879 Joey Ye <joey.ye@intel.com>
1882 * cfgexpand.c (expand_stack_alignment): Don't update stack
1883 boundary nor check incoming stack boundary here.
1884 (gimple_expand_cfg): Update stack boundary and check incoming
1885 stack boundary here.
1887 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1889 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1891 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1893 PR rtl-optimization/38245
1894 * calls.c (expand_call): Add stack arguments to
1895 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1896 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1897 in regs and partially in memory or BLKmode arguments.
1898 (emit_library_call_value_1): Add stack arguments to
1899 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1900 ACCUMULATE_OUTGOING_ARGS).
1901 * dce.c: Include tm_p.h.
1902 (find_call_stack_args): New function.
1903 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1905 (mark_insn): Call find_call_stack_args for CALL_Ps.
1906 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1907 forwards. Allocate and free arg_stores bitmap if needed, pass it
1908 down to deletable_insn_p, don't mark stores set in arg_stores
1909 bitmap, clear the bitmap at the beginning of each bb.
1910 * Makefile.in (dce.o): Depend on $(TM_P_H).
1912 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1915 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1916 to make sure the insn is a conditional test (bug 22599). Reformat a
1919 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1922 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1923 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1924 (gloog): Do not call cleanup_tree_cfg.
1925 (graphite_transform_loops): Call cleanup_tree_cfg after all
1926 scops have been code generated.
1928 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1929 * doc/gty.texi (Invoking the garbage collector): Added new node
1930 and section documenting ggc_collect.
1932 2009-01-14 Richard Guenther <rguenther@suse.de>
1934 PR tree-optimization/38826
1936 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1937 initialization notes only if we actually emitted a warning.
1938 (intra_create_variable_infos): Add constraints for a result decl
1939 that is passed by hidden reference.
1940 (build_pred_graph): Mark all related variables non-direct on
1943 2009-01-14 Nick Clifton <nickc@redhat.com>
1945 * ira-conflicts.c: Include addresses.h for the definition of
1947 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1948 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1950 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1953 * Makefile.in (ira-lives.o): Add except.h.
1955 * ira-lives.c: Include except.h.
1956 (process_bb_node_lives): Process can_throw_internal.
1958 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1960 PR rtl-optimization/38774
1961 * combine.c (simplify_set): When undoing cc_use change, don't do
1962 PUT_CODE on the newly created comparison, but instead put back the
1965 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1967 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1968 values. Remove duplicate arm8 entry.
1970 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1972 PR tree-optimization/38786
1973 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1974 the SSA_NAME case of expand_scalar_variables_expr.
1975 Set the type of an expression to the type of its assign statement.
1976 (expand_scalar_variables_expr): Also gather the scalar computation
1977 used to index the memory access. Do not pass loop_p.
1978 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1979 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1980 the gimple_stmt_iterator where it inserts new code.
1982 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1983 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1985 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1987 * graphite.h (debug_value): Removed.
1988 * graphite.c (debug_value): Removed.
1990 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1992 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1993 ldrd/strd with two 32-bit instructions.
1995 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1997 * config/arm/arm.c (struct processors): Pass for speed down into
1998 cost helper functions.
1999 (const_ok_for_op): Handle COMPARE and inequality nodes.
2000 (arm_rtx_costs_1): Rewrite.
2001 (arm_size_rtx_costs): Update prototype.
2002 (arm_rtx_costs): Pass speed down to helper functions.
2003 (arm_slowmul_rtx_costs): Rework cost calculations.
2004 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2005 (arm_9e_rtx_costs): Likewise.
2007 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2009 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2010 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2011 (alpha_legitimize_address): Do not split local symbols wider than
2012 UNITS_PER_WORD into HIGH/LO_SUM parts.
2014 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2017 * gcc.c (process_command): Replace call to execvp with calls
2018 to pex_one and exit.
2020 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2023 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2024 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2025 variant for devices with 3-byte PC.
2026 (__tablejump_elpm__) : New.
2028 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2031 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2032 offsetof member-designator, handle it as `[0].'.
2034 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2036 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2037 function when not using named sections on targets with named sections
2038 if branch distance is less than 262132.
2040 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2042 * combine.c (combine_instructions): Recompute
2043 optimize_this_for_speed_p for each BB in the main combine loop.
2045 2009-01-12 Tomas Bily <tbily@suse.cz>
2048 * tree-loop-distribution.c (prop_phis): New function.
2049 (generate_builtin): Call prop_phis.
2050 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2052 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2054 PR tree-optimization/38807
2055 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2056 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2058 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2060 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2061 subreg of op0 to the original op0.
2063 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2065 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2067 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2070 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2071 starting with digits.
2073 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2076 * config/arm/arm.c (arm_is_long_call_p): Don't call
2077 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2079 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2081 * regrename.c (regrename_optimize): Fix dumping.
2082 (find_oldest_value_reg): Preserve REG_POINTER.
2083 (copy_hardreg_forward_1): Likewise.
2085 2009-01-09 Diego Novillo <dnovillo@google.com>
2087 * gimple.h (struct gimple_statement_base) <uid>: Document
2088 the restrictions on its use.
2090 (gimple_set_uid): Tidy.
2092 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2094 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2095 zero guard even if align_bytes != 0 and count is smaller than
2098 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2100 PR rtl-optimization/38495
2101 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2102 (add_range_and_copies_from_move_list): Print all added ranges.
2103 Add ranges to memory optimized destination.
2105 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2109 * config/i386/i386.c (override_options): Reject
2110 -mstringop-strategy=rep_8byte with -m32.
2111 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2112 to 1. Do count comparison against epilogue_size_needed at compile
2113 time even when count_exp was constant forced into register. For
2114 size_needed don't jump to epilogue, instead just avoid aligning
2115 and invoke the body algorithm. If need_zero_guard, add zero guard
2116 even if count is non-zero, but smaller than size_needed + number of
2117 bytes that could be stored for alignment.
2118 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2119 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2120 but smaller than size_needed + number of bytes that could be stored
2121 for alignment. Compare size_needed with epilogue_size_needed instead
2122 of desired_align - align, don't adjust size_needed, pass
2123 epilogue_size_needed to the epilogue expanders.
2126 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2128 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2130 * pa.c (last_address): Change to unsigned.
2131 (update_total_code_bytes): Change argument to unsigned. Don't
2132 check if insn addresses are set.
2133 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2134 addresses are not set.
2135 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2137 2009-01-09 Nick Clifton <nickc@redhat.com>
2139 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2140 DECL_DECLARED_INLINE_P.
2142 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2145 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2146 GET_MODE (op0) in operand_subword_force calls.
2149 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2150 fold_convert arg0 operands to TREE_TYPE (op0) first.
2152 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2154 * params.def (ira-max-conflict-table-size): Decrease default value
2157 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2159 PR tree-optimization/37031
2160 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2162 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2163 allocate it using gc instead of heap, use VEC_quick_push instead of
2165 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2166 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2167 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2168 allocated vector from heap allocated.
2169 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2170 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2171 vector only after perfect_loop_nest_depth call.
2173 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2174 Jan Sjodin <jan.sjodin@amd.com>
2176 PR tree-optimization/38559
2177 * graphite.c (debug_value, copy_constraint,
2178 swap_constraint_variables, scale_constraint_variable, ): New.
2179 (get_lower_bound, get_upper_bound): Removed.
2180 (graphite_trans_bb_strip_mine): Clean up this code that works
2181 only for constant number of iterations. Fully copy upper and
2182 lower bound constraints, not only the constant part of them.
2183 * graphite.h (debug_value): Declared.
2185 2009-01-08 Ira Rosen <irar@il.ibm.com>
2187 PR tree-optimization/37194
2188 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2189 Don't add the cost of cost model guard in prologue to scalar
2190 outside cost in case of known number of iterations.
2192 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2193 Alan Modra <amodra@bigpond.net.au>
2195 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2196 non-word-aligned REG+CONST addressing.
2198 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2201 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2202 free_after_compilation when outputting a thunk.
2203 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2204 Do not call free_after_compilation here.
2206 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2208 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2209 (ix86_valid_target_attribute_inner_p): Ditto.
2211 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2213 PR tree-optimization/38492
2214 PR tree-optimization/38498
2215 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2216 * tree-chrec.h (scev_is_linear_expression): Declared.
2217 * graphite.c (graphite_cannot_represent_loop_niter): New.
2218 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2219 (graphite_loop_normal_form): Use gcc_assert.
2220 (scan_tree_for_params): Use CASE_CONVERT.
2221 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2222 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2223 Use gcc_assert. Discard scops that contain unhandled cases.
2224 (build_scop_conditions): Return a boolean status for unhandled cases.
2225 (strip_mine_profitable_p): Print the loop number, not its depth.
2226 (is_interchange_valid): Pass the depth of the loop nest, don't
2227 recompute it wrongly.
2228 (graphite_trans_bb_block): Same.
2229 (graphite_trans_bb_block): Print tentative of loop blocking.
2230 (graphite_trans_scop_block): Do not print that the loop has been
2232 (graphite_transform_loops): Do not handle scops that contain condition
2235 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2237 AVX Programming Reference (December, 2008)
2238 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2239 (_mm256_stream_pd): Likewise.
2240 (_mm256_stream_ps): Likewise.
2242 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2243 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2244 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2245 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2246 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2247 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2248 (ix86_expand_special_args_builtin): Likewise.
2250 * config/i386/sse.md (AVXMODEDI): New.
2251 (avx_movnt<mode>): Likewise.
2252 (avx_movnt<mode>): Likewise.
2253 (<sse>_movnt<mode>): Remove AVX support.
2254 (sse2_movntv2di): Likewise.
2256 2009-01-07 Richard Guenther <rguenther@suse.de>
2259 * fold-const.c (extract_muldiv): Remove obsolete comment.
2260 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2261 to PLUS_EXPR canonicalization for the canonicalization.
2263 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2265 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2266 hosted cross-compilers generating less efficient code.
2268 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2270 * function.h (rtl_data): Add a dbr_scheduled_p field.
2271 * reorg.c (dbr_schedule): Set it.
2272 (gate_handle_delay_slots): Check it.
2273 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2274 (mips_reorg): Check flag_delayed_branch instead of
2275 mips_base_delayed_branch.
2276 (mips_override_options): Don't set mips_base_delayed_branch
2277 or flag_delayed_branch.
2279 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2281 PR rtl-optimization/38426.
2282 * ira.c (ira): Set current_function_is_leaf earlier.
2284 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2286 PR rtl-optimization/38722
2287 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2288 too early, only set a flag and modify after last possible
2291 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2294 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2295 * real.c (decimal_single_format): Correct values of emin and emax.
2296 (decimal_double_format): Ditto.
2297 (decimal_quad_format): Ditto.
2298 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2299 computation of DECnn_MIN and DECnn_MAX for corrected values of
2300 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2301 __DECnn_MIN__, and adjust its computation for the corrected value
2304 2009-01-06 Jan Hubicka <jh@suse.cz>
2307 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2309 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2311 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2312 Add Robert Clark to the list of testers.
2314 2009-01-06 Jan Hubicka <jh@suse.cz>
2315 Kai Tietz <kai.tietz@onevision.com>
2317 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2318 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2320 2009-01-06 Jan Hubicka <jh@suse.cz>
2321 Kai Tietz <kai.tietz@onevision.com>
2323 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2325 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2326 (ix86_nsaved_regs): Count only general purpose regs.
2327 (ix86_nsaved_sseregs): New.
2328 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2329 to 16 for w64; compute padding and size of sse reg save area.
2330 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2331 general purpose regs.
2332 (ix86_emit_save_sse_regs_using_mov): New.
2333 (ix86_expand_prologue): Save SSE regs if needed.
2334 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2335 (ix86_emit_restore_sse_regs_using_mov): New.
2336 (ix86_expand_epilogue): Save SSE regs if needed.
2338 2009-01-06 Jan Hubicka <jh@suse.cz>
2339 Kai Tietz <kai.tietz@onevision.com>
2341 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2342 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2343 functions when accumulate outgoing args is off.
2345 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2348 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2349 before using pseudos_have_intersected_live_ranges_p.
2351 * ira-int.h (ira_assert): Always define.
2353 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2355 AVX Programming Reference (December, 2008)
2356 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2357 (_mm256_permute2_pd): Likewise.
2358 (_mm_permute2_ps): Likewise.
2359 (_mm256_permute2_ps): Likewise.
2360 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2361 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2363 * config/i386/i386.c (ix86_builtins): Remove
2364 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2365 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2366 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2367 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2368 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2369 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2370 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2371 __builtin_ia32_vpermil2ps256.
2372 (ix86_init_mmx_sse_builtins): Updated.
2373 (ix86_expand_args_builtin): Likewise.
2375 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2377 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2378 long absolute calls when generating PA 2.0 code.
2380 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2382 PR rtl-optimization/38583
2383 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2385 * params.def (ira-max-conflict-table-size): New.
2387 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2389 * ira.h (ira_conflicts_p): New external definition.
2391 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2392 table. Report this. Return result of building.
2393 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2394 building conflict table.
2396 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2397 (ira_color): Use ira_conflicts_p.
2399 * global.c: Include ira.h.
2400 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2403 * Makefile.in (global.o): Add ira.h.
2405 * ira-build.c (mark_all_loops_for_removal,
2406 propagate_some_info_from_allocno): New.
2407 (remove_unnecessary_allocnos): Call
2408 propagate_some_info_from_allocno.
2409 (remove_low_level_allocnos): New.
2410 (remove_unnecessary_regions): Add parameter. Call
2411 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2412 parameter to remove_unnecessary_regions.
2413 (ira_build): Remove all regions but root if the conflict table was
2414 not built. Update conflict hard regs for allocnos crossing calls.
2416 * ira.c (ira_conflicts_p): New global.
2417 (ira): Define and use ira_conflicts_p.
2419 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2420 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2421 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2423 2009-01-06 Ben Elliston <bje@au.ibm.com>
2425 * gengtype-lex.l (YY_NO_INPUT): Define.
2427 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2430 * c-common.c (handle_vector_size_attribute): Also reject
2433 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2435 PR tree-optimization/38492
2436 * graphite.c (rename_map_elt, debug_rename_elt,
2437 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2438 rename_map_elt_info, eq_rename_map_elts,
2439 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2440 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2441 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2442 (sese_build_livein_liveouts): New.
2443 (new_sese, free_sese): New.
2444 (new_scop): Call new_sese.
2445 (free_scop): Call free_sese.
2446 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2447 (register_old_new_names): Renamed register_old_and_new_names.
2448 (register_scop_liveout_renames, add_loop_exit_phis,
2449 insert_loop_close_phis, struct igp,
2450 default_liveout_before_guard, add_guard_exit_phis,
2451 insert_guard_phis, copy_renames): New.
2452 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2453 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2454 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2455 (scop_adjust_phis_for_liveouts): New.
2456 (gloog): Call scop_adjust_phis_for_liveouts.
2458 * graphite.h (struct sese): Documented. Added fields liveout,
2460 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2461 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2462 (struct scop): Added field liveout_renames.
2463 (SCOP_LIVEOUT_RENAMES): New.
2465 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2467 PR tree-optimization/38510
2468 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2469 (translate_clast): Call recompute_all_dominators before
2471 (gloog): Call recompute_all_dominators before graphite_verify.
2473 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2474 Jan Sjodin <jan.sjodin@amd.com>
2476 PR tree-optimization/38500
2477 * graphite.c (create_sese_edges): Call fix_loop_structure after
2480 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2482 * config.gcc: Add m32r*-*-rtems*.
2483 * config/m32r/rtems.h: New file.
2485 2009-01-05 Ben Elliston <bje@au.ibm.com>
2487 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2488 (.po.pox): Likewise.
2489 (po/gcc.pot): Likewise.
2491 2009-01-04 David S. Miller <davem@davemloft.net>
2493 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2494 (STARTING_FRAME_OFFSET): Always set to zero.
2496 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2498 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2499 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2500 fixed-point types, and vectors of the same.
2502 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2504 * config/mips/sync.md (*mb_barrier): Rename to...
2505 (*memory_barrier): ...this.
2507 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2509 * doc/extend.texi (Function Attributes): Move @cindex after @item
2510 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2511 and put in alphabetical order. Fix 'target' name and put in order.
2512 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2515 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2517 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2518 (memory_barrier): Expand as unspec instead of unspec_volatile.
2519 Remove mem:BLK from insn operands. Use Pmode scratch register.
2520 (*memory_barrier): Define as unspec instead of unspec_volatile.
2521 Use (match_dup 0) as input operand.
2523 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2524 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2525 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2526 scratch register. Remove operand 1.
2527 (*stbar): Define as unspec instead of unspec_volatile.
2528 Use (match_dup 0) as input operand, remove (const_int 8).
2529 (*membar): Define as unspec instead of unspec_volatile.
2530 Use (match_dup 0) as input operand, remove input operand 2.
2532 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2533 (memory_barrier): Expand as unspec instead of unspec_volatile.
2534 Remove mem:BLK from insn operands. Use Pmode scratch register.
2535 (*memory_barrier): Define as unspec instead of unspec_volatile.
2536 Use (match_dup 0) as input operand.
2538 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2539 Remove mem:BLK from insn operands. Use Pmode scratch register.
2540 Set volatile flag on operand 0.
2541 (*memory_barrier): New insn pattern.
2543 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2545 (*memory_barrier): Use (match_dup 0) as input operand.
2547 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2548 Remove mem:BLK from insn operands. Use Pmode scratch register.
2549 Set volatile flag on operand 0.
2550 (*mb_internal): New insn pattern.
2552 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2554 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2557 * function.c (struct temp_slot): Move to the section of the file
2558 that deals with temp slots. Remove field 'address'.
2559 (temp_slot_address_table): New hash table of address -> temp slot.
2560 (struct temp_slot_address_entry): New struct, items for the table.
2561 (temp_slot_address_compute_hash, temp_slot_address_hash,
2562 temp_slot_address_eq, insert_temp_slot_address): Support functions
2564 (find_temp_slot_from_address): Rewrite to use the new hash table.
2565 (remove_unused_temp_slot_addresses): Remove addresses of temp
2566 slots that have been made available.
2567 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2568 worker function for remove_unused_temp_slot_addresses.
2569 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2570 Add the temp slot address to the address -> temp slot map.
2571 (update_temp_slot_address): Update via insert_temp_slot_address.
2572 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2573 (pop_temp_slots): Likewise.
2574 (init_temp_slots): Allocate the address -> temp slot map, or empty
2575 the map if it is already allocated.
2576 (prepare_function_start): Initialize temp slot processing.
2578 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2581 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2582 Calculate the size of all stack vars assuming no packing of stack
2583 vars will happen, replacing a quadratic algorithm with a linear one.
2585 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2588 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2591 2009-01-03 Diego Novillo <dnovillo@google.com>
2593 * doc/contrib.texi: Update contributions.
2595 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2598 * builtins.c (fold_builtin_memory_op): Give up if either operand
2599 is volatile. Set srctype or desttype to non-qualified version
2603 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2606 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2608 PR rtl-optimization/35805
2609 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2610 problem if fast dce is able to remove any instructions.
2611 * dce.c (dce_process_block): Fix dump message.
2613 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2616 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2618 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2621 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2622 * tree-pretty-print.c (op_code_prio): New function.
2623 (op_prio): No longer static. Use op_code_prio.
2624 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2625 Use op_prio and op_code_prio to determine if () should be
2626 printed around operand(s) or not.
2628 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2629 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2630 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2631 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2632 pp_character instead of pp_string for single letter printing.
2634 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2636 * doc/extend.texi: Fix '#pragma GCC option' typo.
2638 2009-01-02 Richard Guenther <rguenther@suse.de>
2640 * doc/install.texi (--enable-checking): Mention different
2642 (--enable-stage1-checking): Document.
2644 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2647 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2648 case to be an error.
2650 2009-01-02 Ben Elliston <bje@au.ibm.com>
2652 * config/fp-bit.h (pack_d): Constify argument.
2653 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2654 (isnan): Constify argument.
2658 (_fpadd_parts): Constify return type.
2659 (_fpmul_parts): Likewise.
2660 (_fpdiv_parts): Likewise.
2662 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2665 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2666 warn about overwriting initializer with side-effects or
2667 -Woverride-init if !IMPLICIT.
2668 (output_init_element): Likewise. Pass IMPLICIT down to
2670 (process_init_element): Add IMPLICIT argument. Pass it down
2671 to output_init_element.
2672 (push_init_element, pop_init_level, set_designator): Adjust
2673 process_init_element callers.
2674 (set_nonincremental_init, set_nonincremental_init_from_string):
2675 Adjust add_pending_init callers.
2676 (output_pending_init_elements): Adjust output_init_element callers.
2677 * c-tree.h (process_init_element): Adjust prototype.
2678 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2679 process_init_element callers.