1 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
5 DW_TAG_imported_module even if decl is IMPORTED_DECL with
6 NAMESPACE_DECL in its DECL_INITIAL.
9 * optabs.c (set_user_assembler_libfunc): New function.
10 * expr.h (set_user_assembler_libfunc): New prototype.
11 * c-common.c: Include libfuncs.h.
12 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
13 for memcmp, memset, memcpy, memmove and abort.
14 * Makefile.in (c-common.o): Depend on libfuncs.h.
17 * dwarf2out.c (gen_inlined_enumeration_type_die,
18 gen_inlined_structure_type_die, gen_inlined_union_type_die,
19 gen_tagged_type_instantiation_die): Removed.
20 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
23 2009-03-17 Janis Johnson <janis187@us.ibm.com>
26 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
28 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
29 (check-parallel-%): Ditto.
30 (check-consistency): Ditto.
32 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
34 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
35 local variable rhs by NULL_TREE.
37 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
40 * doc/extend.texi: Correct register behavior for regparm on
43 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
46 * config/i386/i386.c (ix86_function_regparm): Rewrite for
49 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
52 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
53 for ms->sysv ABI calls only in 64bit mode.
55 * config/i386/i386.md (untyped_call): Support 32bit.
57 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
59 * doc/extend.texi: Replace x86_65 with x86_64.
61 2009-03-16 Jakub Jelinek <jakub@redhat.com>
63 PR tree-optimization/39455
64 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
65 mismatches for POINTER_TYPE_P (type).
66 (number_of_iterations_le): Likewise.
68 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
70 * config/picochip/picochip.c: Removed profiling support.
71 * config/picochip/picochip.md: Removed profiling instruction.
72 * config/picochip/picochip.h: Removed profiling builtin.
74 2009-03-16 Joseph Myers <joseph@codesourcery.com>
76 * doc/install.texi (--with-host-libstdcxx): Document.
78 2009-03-14 Anatoly Sokolov <aesok@post.ru>
81 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
82 generate a warning if the function name does not begin with
83 "__vector" and the function has either the 'signal' or 'interrupt'
84 attribute, from here to ...
85 (avr_declare_function_name): ...here. New function.
86 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
87 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
89 2009-03-14 Jakub Jelinek <jakub@redhat.com>
92 * cse.c (fold_rtx): Don't modify original const_arg1 when
93 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
94 separate variable instead.
95 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
96 from out of range shift counts.
97 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
99 2008-03-13 Catherine Moore <clm@codesourcery.com>
101 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
102 diagnostic.h with $(DIAGNOSTIC_H).
104 2008-03-12 Jakub Jelinek <jakub@redhat.com>
107 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
109 * config/i386/sync.md (sync_compare_and_swap<mode>,
110 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
111 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
113 (sync_double_compare_and_swapdi_pic,
114 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
115 cmpxchg8b_pic_memory_operand instead of just memory_operand.
117 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
120 * config/i386/i386.c (ix86_expand_push): Don't set memory
123 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
126 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
127 (avx_addsubv4df3): Likewise.
128 (*avx_addsubv4sf3): Likewise.
129 (sse3_addsubv4sf3): Likewise.
131 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
134 * config/i386/i386.md: Compare REGNO on the new peephole2
137 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
140 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
141 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
142 registers for allocnos created from user-defined variables.
144 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
147 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
148 of non-integer mode as well.
150 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
152 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
153 for functions for which the parameter types are unknown.
155 2009-03-11 Jakub Jelinek <jakub@redhat.com>
158 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
160 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
161 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
162 * config/i386/i386.c (ix86_local_alignment): For
163 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
164 long long variables on the stack to avoid dynamic realignment.
165 Allow the first argument to be a decl rather than type.
166 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
168 2009-03-11 Nick Clifton <nickc@redhat.com>
171 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
173 Add description to mno-lsim option.
174 * config/mcore/mcore.h: Remove comment about deprecated m4align
176 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
177 * doc/invoke.texi: Add description of mno-lsim and
178 mstack-increment options.
180 * config/fr30/fr30.opt: Document the -mno-lsim option.
181 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
182 and -mno-lsim options.
184 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
186 * fold-const.c (fold_comparison): Only call fold_inf_compare
187 if the mode supports infinities.
189 2009-03-11 Jason Merrill <jason@redhat.com>
192 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
193 end already did. Notice GIMPLE_CALL modifications of the result.
194 Don't copy debug information from an ignored decl or a decl from
197 2009-03-10 Richard Guenther <rguenther@suse.de>
198 Nathan Froyd <froydnj@codesourcery.com>
201 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
203 (__divMODE3): Likewise.
205 2009-03-09 Jakub Jelinek <jakub@redhat.com>
207 PR tree-optimization/39394
208 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
209 DECL_SIZE_UNIT of variable length FIELD_DECLs.
211 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
213 * recog.c (verfiy_changes): Disallow renaming of hard regs in
214 inline asms for register asm ("") declarations.
216 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
218 * fold-const.c (fold_unary): Fix comment.
220 2009-03-07 Jan Hubicka <jh@suse.cz>
223 * tree-inline.c (setup_one_parameter): Do replacement of const argument
224 by constant in SSA form.
226 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
229 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
230 determine alignment passed to assign_stack_local.
231 (assign_parms_unsplit_complex): Likewise.
232 * except.c (sjlj_build_landing_pads): Likewise.
234 2009-03-06 Jakub Jelinek <jakub@redhat.com>
237 * tree-flow.h (add_referenced_var): Return bool instead of void.
238 * tree-dfa.c (add_referenced_var): Return result of
239 referenced_var_check_and_insert call.
240 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
241 of referenced_var_check_and_insert.
244 * dwarf2out.c (add_abstract_origin_attribute): Return
246 (gen_variable_die): Emit DW_AT_location on abstract static variable's
247 DIE, don't emit it if abstract origin already has it.
248 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
249 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
251 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
253 * genpreds.c: (needs_variable): Fix parentheses at variable name
255 (write_tm_constrs_h): Indent generated code.
257 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
259 * doc/extend.texi (Function Attributes): Add documentation
262 2009-03-06 Jakub Jelinek <jakub@redhat.com>
265 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
266 take locus from its DECL_SOURCE_LOCATION instead of input_location.
268 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
270 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
273 2009-03-05 Jakub Jelinek <jakub@redhat.com>
276 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
277 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
279 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
281 * config/i386/i386.md (R8_REG, R9_REG): New constants.
282 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
283 constants instead of magic numbers.
284 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
286 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
287 (x86_64_ms_abi_int_parameter_registers): Ditto.
288 (x86_64_int_return_registers): Ditto.
289 (ix86_maybe_switch_abi): Ditto.
290 (ix86_expand_call): Ditto for clobbered_registers array.
291 (ix86_hard_regno_mode_ok): Ditto.
292 (x86_extended_QIreg_mentioned_p): Ditto.
294 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
296 PR tree-optimization/39349
297 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
299 * combine.c (gen_lowpart_for_combine): Use omode when generating
302 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
304 PR rtl-optimization/39235
305 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
307 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
309 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
311 2009-03-04 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/39362
314 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
315 that occur in abnormal PHIs should be varying.
317 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
319 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
321 (simple_iv): Take loop as an argument instead of statement.
322 * tree-scalar-evolution.h (simple_iv): Declaration changed.
323 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
325 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
327 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
328 * matrix-reorg.c (analyze_transpose): Ditto.
329 * tree-data-ref.c (dr_analyze_innermost): Ditto.
330 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
331 * tree-predcom.c (ref_at_iteration): Ditto.
332 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
334 2009-03-04 Richard Guenther <rguenther@suse.de>
336 PR tree-optimization/39358
337 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
338 escaped_id and callused_id.
339 (solve_graph): Likewise.
341 2009-03-04 Richard Guenther <rguenther@suse.de>
343 PR tree-optimization/39339
344 * tree-sra.c (try_instantiate_multiple_fields): Make it
345 no longer ICE on the above.
347 2009-03-03 Joseph Myers <joseph@codesourcery.com>
349 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
350 that fits within Pmode.
352 2009-03-03 Steve Ellcey <sje@cup.hp.com>
355 * tm.texi (LIBCALL_VALUE): Update description.
357 2009-03-03 Steve Ellcey <sje@cup.hp.com>
360 * doc/extend.texi (section): Update description.
362 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
365 * tree-inline.c (remapped_type): New.
366 (can_be_nonlocal): Call remapped_type instead of remap_type.
368 2009-03-03 Jakub Jelinek <jakub@redhat.com>
371 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
372 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
374 2009-03-03 Richard Guenther <rguenther@suse.de>
377 * tree.c (tree_nonartificial_location): New function.
378 * tree.h (tree_nonartificial_location): Declare.
379 * builtins.c (expand_builtin_memory_chk): Provide location
380 of the call location for artificial function pieces.
381 (maybe_emit_chk_warning): Likewise.
382 (maybe_emit_sprintf_chk_warning): Likewise.
383 (maybe_emit_free_warning): Likewise.
384 * expr.c (expand_expr_real_1): Likewise.
386 2009-03-03 Jakub Jelinek <jakub@redhat.com>
388 PR tree-optimization/39343
389 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
390 COMPONENT_REF t has ARRAY_TYPE.
392 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
395 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
396 when the type precision of the induction variable should be
397 larger than the type precision of nit.
398 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
399 * graphite.c (graphite_loop_normal_form): Same.
400 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
402 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
404 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
405 (*call_1_rex64_ms_sysv): Use named constants instead of magic
406 numbers to describe clobbered registers.
407 (*call_value_0_rex64_ms_sysv): Ditto.
408 * config/i386/mmx.md (mmx_emms): Ditto.
411 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
413 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
416 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
418 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
419 (spu_section_type_flags): New function.
421 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
423 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
424 reg_class_contents of FLOAT_REGS into a temporary.
426 2009-03-02 Richard Guenther <rguenther@suse.de>
427 Ira Rosen <irar@il.ibm.com>
429 PR tree-optimization/39318
430 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
431 information to the vectorized statement.
433 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
435 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
436 variable. Use defined names instead of magic constants for REX SSE
439 2009-03-01 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/39331
442 * omp-low.c (lower_send_shared_vars): Do not receive new
443 values for the reference of DECL_BY_REFERENCE parms or results.
445 2009-03-01 Jan Hubicka <jh@suse.cz>
448 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
449 BLOCK_NONLOCALIZED_VAR): New macros.
450 (tree_block): Add nonlocalized_vars.
451 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
452 gen_decl_die): Add origin argument. Allow generation of die with
454 (gen_member_die, gen_type_die_with_usage, force_decl_die,
455 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
457 (gen_block_die): Fix checking for unused blocks.
458 (process_scope_var): Break out from .... ; work with origins only.
459 (decls_for_scope) ... here; process nonlocalized list.
460 (dwarf2out_ignore_block): Look for nonlocalized vars.
461 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
463 (dump_scope_block): Dump them.
464 * tree-inline.c (remap_decls): Handle nonlocalized vars.
465 (remap_block): Likewise.
466 (can_be_nonlocal): New predicate.
467 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
469 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
471 * configure: Regenerate.
473 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
475 * optc-gen.awk: No need to duplicate option flags twice.
476 Reuse help texts for duplicate options which do not have
479 * gcc.c (display_help): Document --version.
481 * gcc.c (main): If print_help_list and verbose_flag, ensure
482 driver output comes before subprocess output.
484 * optc-gen.awk: Assign all remaining fields to help string,
485 space-separated, for multi-line help in *.opt.
487 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
488 -Wno-pedantic-ms-format is for MinGW targets only.
490 * doc/options.texi (Option file format): Fix bad indentation,
491 restoring dropped sentence.
493 2009-02-28 Jan Hubicka <jh@suse.cz>
495 * tree-inline.c (tree_function_versioning): Output debug info.
497 2009-02-28 Jan Hubicka <jh@suse.cz>
500 * tree-inline.c (setup_one_parameter): Do not copy propagate
501 arguments when not optimizing.
503 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
506 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
507 (avx_addsubv4df3): Likewise.
508 (*avx_addsubv4sf3): Likewise.
509 (sse3_addsubv4sf3): Likewise.
510 (*avx_addsubv2df3): Likewise.
511 (sse3_addsubv2df3): Likewise.
512 (avx_unpckhps256): Correct item selectors.
513 (avx_unpcklps256): Likewise.
514 (avx_unpckhpd256): Likewise.
515 (avx_unpcklpd256): Likewise.
517 2009-02-28 Jan Hubicka <jh@suse.cz>
519 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
521 (copy_arguments_for_versioning): If var is declared don't declare it.
522 (tree_function_versioning): First setup substitutions and then copy
525 2009-02-27 Jan Hubicka <jh@suse.cz>
528 * cgraph.h (varpool_output_debug_info): Remove.
529 * cgraphunit.c (varpool_output_debug_info): Remove.
530 * dwarf2out.c (deferred_locations_struct): New struct
531 (deferred_locations): New type.
532 (deferred_locations_list): New static var.
533 (deffer_location): New function.
534 (gen_variable_die): Use it.
535 (decls_for_scope): Output info on local static vars.
536 (dwarf2out_finish): Process deferred locations.
537 * varpool.c (varpool_output_debug_info): Remove.
539 2009-02-27 Jan Hubicka <jh@suse.cz>
542 * tree.h (TREE_PROTECTED): Fix comment.
543 (BLOCK_HANDLER_BLOCK): Remove.
544 (struct tree_block): Remove handler_block add body_block.
545 (inlined_function_outer_scope_p): New.
546 (is_body_block): Remove.
547 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
548 * dwarf2out.c (is_inlined_entry_point): Remove.
549 (add_high_low_attributes): Use inlined_function_outer_scope_p.
550 (gen_block_die): Use is_inlined_entry_point check. Remove body block
552 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
553 * gimplify.c (gimplify_expr): Gimplify body blocks.
554 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
555 block with multiple subblocks.
556 (dump_scope_block): Prettier output; dump more flags and info.
557 (dump_scope_blocks): New.
558 (remove_unused_locals): Use dump_scope_blocks.
559 * tree-flow.h (dump_scope_blocks): Declare.
560 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
561 * stmt.c (is_body_block): Remove.
562 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
563 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
565 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
568 * graphite.c (graphite_loop_normal_form): Do not call
569 number_of_iterations_exit from a gcc_assert.
571 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
573 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
574 jumps if COND is NULL.
575 (find_cond_jump): New function.
576 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
577 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
579 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
581 * config/alpha/alpha.h (alpha_expand_mov): Return false if
582 force_const_mem returns NULL_RTX.
584 2009-02-26 Jan Hubicka <jh@suse.cz>
587 * cgraph.h (varpool_output_debug_info): Remove.
588 * cgraphunit.c (varpool_output_debug_info): Remove.
589 * dwarf2out.c (deferred_locations_struct): New struct
590 (deferred_locations): New type.
591 (deferred_locations_list): New static var.
592 (deffer_location): New function.
593 (gen_variable_die): Use it.
594 (decls_for_scope): Output info on local static vars.
595 (dwarf2out_finish): Process deferred locations.
596 * varpool.c (varpool_output_debug_info): Remove.
598 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
600 PR rtl-optimization/39241
601 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
602 to subreg_offset_representable_p.
604 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
606 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
607 execute function prototype. Get f and nregs from max_reg_num
608 and get_insns. Remove the first backward pass as it's dead,
609 guard the forward pass by flag_expensive_optimizations.
610 (rest_of_handle_regmove): Delete.
611 (pass_regmove): Replace it with regmove_optimize.
613 2009-02-25 Martin Jambor <mjambor@suse.cz>
615 PR tree-optimization/39259
616 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
617 calls_alloca function flags.
618 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
621 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
623 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
624 flags_set_1_rtx, flags_set_1_set): Delete.
625 (regmove_optimize): Do not call mark_flags_life_zones.
627 2009-02-24 Julian Brown <julian@codesourcery.com>
630 * config/arm/arm.c (require_pic_register): Only set
631 cfun->machine->pic_reg once per function.
633 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
635 * doc/invoke.texi (Link Options): Document an easier way to pass
636 options that take arguments to the GNU linker using -Xlinker and -Wl.
638 2009-02-24 Steve Ellcey <sje@cup.hp.com>
641 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
643 2009-02-24 Richard Guenther <rguenther@suse.de>
646 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
648 2009-02-24 Richard Guenther <rguenther@suse.de>
649 Zdenek Dvorak <ook@ucw.cz>
651 PR tree-optimization/39233
652 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
653 from converting them to a generic type.
655 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
657 PR tree-optimization/39260
658 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
659 contains a condition with a real type.
660 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
662 2009-02-23 Jason Merrill <jason@redhat.com>
665 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
666 narrowing_initializer_constant_valid_p.
667 (narrowing_initializer_constant_valid_p): Don't return
668 null_pointer_node for adding a pointer to itself.
670 2009-02-23 Jan Hubicka <jh@suse.cz>
673 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
676 2009-02-23 Jan Hubicka <jh@suse.cz>
678 PR tree-optimization/37709
679 * tree.c (block_ultimate_origin): Move here from dwarf2out.
680 * tree.h (block_ultimate_origin): Declare.
681 * dwarf2out.c (block_ultimate_origin): Move to tree.c
682 * tree-ssa-live.c (remove_unused_scope_block_p):
683 Eliminate blocks containig no instructions nor live variables nor
685 (dump_scope_block): New function.
686 (remove_unused_locals): Enable removal of dead blocks by default;
687 enable dumping at TDF_DETAILS.
689 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
691 * config/i386/i386.c (classify_argument): Don't allow COImode
693 (function_arg_advance_32): Don't allow OImode.
694 (function_arg_32): Likewise.
695 (function_value_32): Likewise.
696 (return_in_memory_32): Likewise.
697 (function_arg_64): Remove OImode comment.
699 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
702 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
703 ix86_expand_vector_set for V4DImode in 64bit mode only.
704 (ix86_expand_vector_init_one_var): Likewise.
706 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
708 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
710 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
713 * loop-iv.c: Revert last change.
714 * emit-rtl.c: Likewise.
716 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
719 * config/i386/i386.c (type_natural_mode): Remove an extra
720 space in the warning message.
721 (function_value_32): Handle 32-byte vector modes.
722 (return_in_memory_32): Likewise.
724 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
726 * loop-iv.c (truncate_value): New function.
727 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
729 (lowpart_subreg): Move to...
730 * emit-rtl.c: ...here.
732 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
734 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
735 accidental and undocumented change at revision 140860.
737 2009-02-21 Joseph Myers <joseph@codesourcery.com>
739 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
740 take gimple_seq * arguments.
741 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
742 types_compatible_p langhook.
744 2009-02-20 Mark Mitchell <mark@codesourcery.com>
745 Joseph Myers <joseph@codesourcery.com>
747 * config/arm/arm.c (arm_builtin_va_list): New function.
748 (arm_expand_builtin_va_start): Likewise.
749 (arm_gimplify_va_arg_expr): Likewise.
750 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
751 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
752 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
753 (va_list_type): New variable.
754 (arm_mangle_type): Mangle va_list_type appropriately.
756 2009-02-20 Jakub Jelinek <jakub@redhat.com>
759 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
760 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
761 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
762 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
763 parameter to 1000 for -O1 by default.
764 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
766 * loop-invariant.c: Include params.h.
767 (move_loop_invariants): Don't call move_single_loop_invariants on
770 2009-02-20 Jaka Mocnik <jaka@xlab.si>
772 * calls.c (emit_library_call_value_1): Use slot_offset instead of
773 offset when calculating bounds for indexing stack_usage_map. Fixes
774 a buffer overflow with certain target setups.
776 2009-02-20 Jakub Jelinek <jakub@redhat.com>
779 * calls.c (expand_call): Clear try_tail_call if caller and callee
780 disagree in promotion of function return value.
782 2009-02-19 Jakub Jelinek <jakub@redhat.com>
785 * c-common.c (c_determine_visibility): If visibility changed and
786 DECL_RTL has been already set, call make_decl_rtl to update symbol
789 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
792 * varasm.c (assemble_variable): Don't check DECL_NAME when
793 globalizing a variable.
795 2009-02-19 Joseph Myers <joseph@codesourcery.com>
798 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
799 expression before any __builtin_trap call.
800 * c-typeck.c (build_function_call): Convert and check function
801 arguments before generating a call to a trap. Evaluate the
802 function arguments before the trap.
804 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
807 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
808 (UNSPEC_FXAM_MEM): New unspec.
809 (fxam<mode>2_i387_with_temp): New insn and split pattern.
810 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
811 memory using fxam<mode>2_i387_with_temp to remove excess precision.
813 2009-02-19 Richard Guenther <rguenther@suse.de>
815 PR tree-optimization/39207
816 PR tree-optimization/39074
817 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
818 storedanything_tree): New.
819 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
820 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
821 (build_succ_graph): Add edges from STOREDANYTHING to all
823 (init_base_vars): Initialize STOREDANYTHING.
824 (compute_points_to_sets): Free substitution info after
825 building the succ graph.
826 (ipa_pta_execute): Likewise.
828 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
830 (do_ds_constraint): Do not add to special var or non-pointer
832 (type_could_have_pointers): Split out from ...
833 (could_have_pointers): ... here. For arrays use the element type.
834 (create_variable_info_for): Initialize may_have_pointers.
835 (new_var_info): Likewise.
836 (handle_lhs_call): Make the HEAP variable unknown-sized.
837 (intra_create_variable_infos): Use a type with pointers for
838 PARM_NOALIAS, make it unknown-sized.
840 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
843 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
845 2009-02-18 Jason Merrill <jason@redhat.com>
848 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
849 value if DECL_EXTERNAL.
850 * tree-sra.c (sra_walk_gimple_assign): Likewise.
851 * target.h (gcc_target::binds_local_p): Clarify "module".
852 * tree.h (TREE_PUBLIC): Clarify "module".
854 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
857 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
858 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
860 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
863 * c.opt (Wabi): Support C and ObjC.
866 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
868 * config/i386/i386.c (classify_argument): Warn once about the ABI
869 change when passing union with long double.
871 * doc/invoke.texi: Update -Wabi for warning psABI changes.
873 2009-02-18 Joseph Myers <joseph@codesourcery.com>
876 * c-parser.c (c_parser_compound_statement): Always enter and leave
879 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
882 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
884 2009-02-18 Jakub Jelinek <jakub@redhat.com>
886 PR tree-optimization/36922
887 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
888 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
891 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
893 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
896 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
898 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
900 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
902 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
905 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
906 Richard Sandiford <rdsandiford@googlemail.com>
908 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
909 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
910 (loongson_biadd): ...this.
912 2009-02-17 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/39202
915 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
916 a var make sure to follow existing collapses.
918 2009-02-17 Richard Guenther <rguenther@suse.de>
921 * langhooks.c (lhd_print_error_function): Check for NULL block.
923 2009-02-17 Richard Guenther <rguenther@suse.de>
925 PR tree-optimization/39204
926 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
929 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
931 * config/soft-fp/double.h: Update from glibc CVS.
933 2009-02-17 Richard Guenther <rguenther@suse.de>
935 PR tree-optimization/39207
936 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
937 strict-aliasing warnings for pointers pointing to NULL.
939 2009-02-16 Joseph Myers <joseph@codesourcery.com>
942 * c-parser.c (c_parser_braced_init): Call pop_init_level when
943 skipping until next close brace.
945 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
948 * config/i386/i386.c (ix86_expand_push): Set memory alignment
949 to function argument boundary.
951 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
953 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
954 in the lea_add. Reload eventually constraints it properly.
955 * config/picochip/constraints.md : Remove the target constraint
956 "b", since it is not needed anymore.
958 2009-02-16 Jakub Jelinek <jakub@redhat.com>
960 * gthr-dce.h: Uglify function parameter and local variable names.
961 * gthr-gnat.h: Likewise.
962 * gthr-mipssde.h: Likewise.
963 * gthr-nks.h: Likewise.
964 * gthr-posix95.h: Likewise.
965 * gthr-posix.h: Likewise.
966 * gthr-rtems.h: Likewise.
967 * gthr-single.h: Likewise.
968 * gthr-solaris.h: Likewise.
969 * gthr-tpf.h: Likewise.
970 * gthr-vxworks.h: Likewise.
971 * gthr-win32.h: Likewise.
973 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
976 * config/i386/i386.md: Restrict the new peephole2 to move
977 between MMX/SSE registers.
979 2009-02-15 Richard Guenther <rguenther@suse.de>
982 2009-02-13 Richard Guenther <rguenther@suse.de>
984 * configure.ac: Enable LFS.
985 * configure: Re-generate.
986 * config.in: Likewise.
988 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
990 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
991 spu_srqwbyte, spu_srqwbytebc): Define.
992 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
993 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
994 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
995 "shrqby_<mode>"): New insn-and-split patterns.
996 * config/spu/spu.c (expand_builtin_args): Determine and return
997 number of operands using spu_builtin_description data.
998 (spu_expand_builtin_1): Use it.
1000 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1003 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1006 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1009 * config/i386/i386.c (override_options): Correct warning
1010 messages for -malign-loops, -malign-jumps and -malign-functions.
1012 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1015 * config/i386/i386.md: Restrict the new peephole2 to move
1016 between the general purpose registers.
1018 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1021 * config/i386/i386.c (type_natural_mode): Add a new argument.
1022 Return the original mode and warn ABI change if vector size is 32byte.
1023 (function_arg_advance): Updated.
1024 (function_arg): Likewise.
1025 (ix86_function_value): Likewise.
1026 (ix86_return_in_memory): Likewise.
1027 (ix86_sol10_return_in_memory): Likewise.
1028 (ix86_gimplify_va_arg): Likewise.
1029 (function_arg_32): Don't warn ABX ABI change here.
1030 (function_arg_64): Likewise.
1032 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1034 * loop-iv.c (implies_p): In the final case, test that operands 0
1035 of the two comparisons match.
1037 * config/bfin/bfin.c (find_prev_insn_start): New function.
1038 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1039 (find_next_insn_start): Move.
1041 2009-02-13 Richard Guenther <rguenther@suse.de>
1043 * configure.ac: Enable LFS.
1044 * configure: Re-generate.
1045 * config.in: Likewise.
1047 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1050 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1051 sizes on syntax error after some arguments have been parsed.
1053 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1055 * doc/invoke.texi (-fira): Remove.
1057 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1059 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1060 * recog.c: Likewise.
1063 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1065 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1066 (umul_ppmm): Likewise.
1067 (count_leading_zeros): Likewise.
1068 (count_trailing_zeros): Likewise.
1069 (UMUL_TIME): Likewise.
1071 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1073 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1074 soft-fp/t-softfp to tmake_file.
1076 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1077 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1078 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1079 IA64_BUILTIN_INFQ]: New.
1080 (ia64_init_builtins): Initialize __builtin_infq,
1081 __builtin_fabsq and __builtin_copysignq if not HPUX.
1082 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1083 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1085 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1087 (__fixtfti): Likewise.
1088 (__fixunstfti): Likewise.
1089 (__floattitf): Likewise.
1091 * config/ia64/libgcc-glibc.ver: New.
1092 * config/ia64/t-fprules-softfp: Likewise.
1093 * config/ia64/sfp-machine.h: Likewise.
1095 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1096 (LIBGCC2_TF_CEXT): Likewise.
1097 (TF_SIZE): Likewise.
1098 (TARGET_INIT_LIBFUNCS): Likewise.
1100 * config/ia64/t-glibc (SHLINB_MAPFILES):
1101 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1103 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1105 * config/i386/i386.c (construct_container): Rewrite processing
1106 BLKmode with X86_64_SSE_CLASS.
1108 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1111 * config/i386/i386.md: Replace simplify_replace_rtx with
1112 replace_rtx in the new peephole2.
1114 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1116 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1117 loop unrolling do not happen at -O2.
1119 2009-02-12 Michael Matz <matz@suse.de>
1121 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1123 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1125 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1128 2009-02-12 Ben Elliston <bje@au.ibm.com>
1130 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1131 patterns when updating the back chain. Missed in the 2009-02-10
1134 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1136 * doc/extend.texi (Decimal Floating Types): Update identifier of
1137 draft TR and list of missing support.
1139 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1142 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1143 bit to variable length decl's flags, add it also to its
1144 pointer replacement variable.
1146 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1147 Jakub Jelinek <jakub@redhat.com>
1150 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1151 (memory_blockage): New expander.
1152 (*memory_blockage): New insn pattern.
1153 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1154 instead of general blockage at the end of function prologue when
1155 frame pointer is used to access red zone area. Do not emit blockage
1156 when profiling, it is emitted in generic code.
1157 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1158 function epilogue when frame pointer is used to access red zone area.
1160 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1163 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1164 by arithmetic with memory operands.
1165 * config/i386/predicates.md (commutative_operator): New.
1167 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1169 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1172 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1174 * alias.h (record_alias_subset): Declare.
1175 * alias.c (record_alias_subset): Make global.
1177 2009-02-10 Nick Clifton <nickc@redhat.com>
1179 * tree-parloops.c: Change license to GPLv3.
1180 * ipa-struct-reorg.c: Change license to GPLv3.
1181 * ipa-struct-reorg.h: Change license to GPLv3.
1183 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1186 * c-decl.c (start_struct): Return NULL on error.
1188 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1191 * cfgloopmanip.c (remove_path): Call remove_bbs after
1192 cancel_loop_tree, not before it.
1195 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1196 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1197 VAR_DECLs were seen.
1198 * tree-ssa-live.c (remove_unused_locals): Recompute
1199 cfun->has_local_explicit_reg_vars.
1200 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1201 copies or clearings if cfun->has_local_explicit_reg_vars.
1203 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1206 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1207 of function prologue when frame pointer is used to access
1210 2009-02-10 Richard Guenther <rguenther@suse.de>
1213 * gimplify.c (gimple_regimplify_operands): Always look if
1214 we need to create a temporary.
1216 2009-02-10 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/39132
1219 * tree-loop-distribution.c (todo): New global var.
1220 (generate_memset_zero): Trigger TODO_rebuild_alias.
1221 (tree_loop_distribution): Return todo.
1223 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1226 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1227 (x86_64_reg_class_name): Removed.
1228 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1229 first one isn't X86_64_SSE_CLASS or any other ones aren't
1230 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1231 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1232 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1233 and 3 X86_64_SSEUP_CLASS.
1234 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1235 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1237 2009-02-10 Ben Elliston <bje@au.ibm.com>
1239 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1240 form instruction to update the stack back chain word, even if the
1241 user has disabled the generation of update instructions.
1242 (movdi_<mode>_update_stack): New.
1243 (movsi_update_stack): Likewise.
1244 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1245 always use an update form instruction to update the stack back
1248 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1251 * graphite.c (if_region_set_false_region): After moving a region in
1252 the false branch of a condition, remove the empty dummy basic block.
1253 (gloog): Remove wrong fix for PR38953.
1255 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1257 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1258 generation due to implicit sign extension.
1260 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1263 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1264 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1266 2009-02-09 Richard Guenther <rguenther@suse.de>
1269 * convert.c (convert_to_real): Disable (float)fn((double)x)
1270 to fnf(x) conversion if errno differences may occur and
1271 -fmath-errno is set.
1273 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1275 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1276 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1277 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1279 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1282 * c-common.c (handle_alias_attribute): Disallow attribute for
1283 anything not a FUNCTION_DECL or VAR_DECL.
1285 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1288 * real.c (do_compare): Special-case compare of zero against
1289 decimal float value.
1291 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1294 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1295 as indicating flexible array members unless the field itself is
1296 being declarared as the incomplete array.
1298 2009-02-06 Jan Hubicka <jh@suse.cz>
1300 PR tree-optimization/38844
1301 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1304 2009-02-06 Richard Guenther <rguenther@suse.de>
1307 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1308 fork because we may expand it as __gcov_fork.
1310 2009-02-06 Nick Clifton <nickc@redhat.com>
1312 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1314 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1316 PR tree-optimization/35659
1317 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1318 vn_phi_eq): Shortcut if hashcode does not match.
1319 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1321 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1322 and avoid iterative_hash_expr.
1323 (FOR_EACH_VALUE_ID_IN_SET): New.
1324 (value_id_compare): Remove.
1325 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1326 sort expressions by value id.
1328 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1331 * config/sh/predicates.md (general_movsrc_operand): Don't check
1332 the subreg of system registers here.
1334 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1337 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1340 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1342 PR rtl-optimization/39110
1343 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1344 addresses, not aligned ones.
1346 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1347 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/39100
1350 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1351 comment says and add edges.
1353 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1356 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1357 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1359 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1361 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1362 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1363 register_bb_in_sese, new_sese, free_sese): Moved.
1364 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1365 outermost_loop_in_scop, build_scop_iteration_domain,
1366 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1367 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1368 Use loop_in_sese_p instead of loop_in_scop_p.
1369 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1370 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1371 (scopdet_basic_block_info): Fix bug in scop detection.
1372 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1373 eq_loop_to_cloog_loop): Remove.
1374 (nb_loops_around_loop_in_scop, nb_loop
1375 ref_nb_loops): Moved here...
1376 * graphite.h (ref_nb_loops): ... from here.
1377 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1378 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1379 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1380 * testsuite/gcc.dg/graphite/scop-19.c: New
1382 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1383 Hans-Peter Nilsson <hp@axis.com>
1385 PR rtl-optimization/37889
1386 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1387 Move offset handling from PLUS to before the switch. Use new
1388 arguments when considering SYMBOL_REFs too.
1389 (rtx_addr_can_trap_p): Pass dummy offset and size.
1390 (enum may_trap_p_flags): Remove.
1391 (may_trap_p_1): Pass size from MEM_SIZE.
1393 PR rtl-optimization/38921
1394 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1395 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1396 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1397 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1399 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1401 AVX Programming Reference (January, 2009)
1402 * config/i386/sse.md (*vpclmulqdq): New.
1404 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1406 PR tree-optimization/38977
1407 PR gcov-profile/38292
1408 * calls.c (special_function_p): Disregard __builtin_ prefix.
1410 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1412 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1413 non-indexable addresses even before reload.
1415 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1418 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1419 as having variable size. Do not give an error for unnamed
1420 parameters with [*] declarators. Give a warning for type names
1421 with [*] declarators and mark them as variable size.
1422 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1423 for sizeof applied to [*] type names.
1425 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1428 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1430 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1432 * gcc.c (process_command): Update copyright notice dates.
1433 * gcov.c (print_version): Likewise.
1434 * gcov-dump.c (print_version): Likewise.
1435 * mips-tfile.c (main): Likewise.
1436 * mips-tdump.c (main): Likewise.
1438 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1441 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1442 for composite type involving a zero-length array type.
1444 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1447 * function.c (match_asm_constraints_1): Skip over
1448 initial optional % in the constraint.
1451 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1452 supported, don't accept FIXED_CSTs.
1453 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1454 and _Sat is used without _Fract/_Accum. Set specs->type to
1455 integer_type_node for cts_fract/cts_accum if fixed point is not
1458 2009-02-02 Catherine Moore <clm@codesourcery.com>
1460 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1462 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1464 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1465 (ABI_HAS_64BIT_SYMBOLS): Use it.
1466 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1468 2009-02-02 Paul Brook <paul@codesourcery.com>
1470 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1472 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1475 * recog.h (asm_operand_ok): Add constraints argument.
1476 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1477 recurse on matching constraint.
1478 (check_asm_operands): Pass constraints as 3rd argument to
1479 asm_operand_ok. Don't look up matching constraint here.
1480 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1483 2009-02-02 Ben Elliston <bje@au.ibm.com>
1485 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1486 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1488 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1490 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1491 information. Remove some obsolete information. Reorganize.
1493 * config/pa/fptr.c: Revert license to GPL 2.
1494 * config/pa/milli64.S: Likewise.
1496 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1499 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1500 LIBRARY name in, instead of hard-coding it.
1501 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1502 extra target make frag to tmake_files according to EH model.
1503 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1504 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1505 frags that define makefile variable EH_MODEL appropriately.
1506 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1507 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1508 to "-sjlj" according to type of EH configured.
1509 (LIBGCC_SONAME): Concatenate it to shared library base name.
1510 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1511 to "_sjlj" according to type of EH configured.
1512 (LIBGCC_SONAME): Concatenate it to shared library base name.
1513 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1514 (SHLIB_LINK): Add missing semicolon to if-else construct.
1515 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1516 string value of "pe_dll" command-line option.
1517 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1518 (SHLIB_SONAME): Use it when overriding t-cygming default.
1519 (SHLIB_IMPLIB): Override t-cygming default.
1520 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1521 string value of "pe_dll" command-line option.
1523 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1526 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1527 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1529 2009-01-31 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/38937
1532 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1533 computing the transitive closure.
1535 2009-01-30 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/39041
1538 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1539 Propagate variable indices only if the types match for this stmt.
1541 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1544 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1545 inline but never defined.
1547 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1549 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1550 (*insv_h_di_reg_extimm): New insn.
1551 (*insv_l<mode>_reg_extimm): New insn.
1553 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1555 * config/picochip/picochip.c (flag_conserve_stack): set
1556 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1557 fconserve-stack. Reduce call-overhead used by inliner.
1559 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1562 * common.opt (flag_conserve_stack): Initialised to zero.
1564 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1567 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1568 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1571 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1573 * ira-color.c (allocno_reload_assign): Update comments.
1574 * regmove.c (regmove_optimize): Likewise.
1578 2009-01-29 Robert Millan <rmh@aybabtu.com>
1580 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1581 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1582 `MD_UNWIND_SUPPORT'.
1583 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1585 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1587 PR tree-optimization/39007
1588 * tree-loop-distribution.c (generate_builtin): Use
1589 recompute_dominator to compute the immediate dominator of the
1590 basic block just after the loop.
1592 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1594 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1595 (ASM_OUTPUT_DWARF_PCREL): Define.
1597 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1599 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1600 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1601 global. Modify entries about regmove and IRA.
1603 * ra-conflict.c: Remove the file.
1605 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1607 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1608 (pass_regclass_init): Rename to pass_reginfo_init.
1610 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1612 * toplev.h (flag_ira): Remove.
1614 * caller-save.c (setup_save_areas): Remove flag_ira.
1616 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1618 * global.c: Remove the file.
1620 * opts.c: (decode_options): Remove flag_ira.
1622 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1624 * regmove.c: Modify file description.
1625 (find_use_as_address, try_auto_increment): Define them only if
1626 AUTO_INC_DEC is defined.
1627 (replacement_quality, replace_in_call_usage, fixup_match_1,
1628 stable_and_no_regs_but_for_p): Remove.
1629 (reg_set_in_bb): Make it static.
1630 (regmove_optimize): Remove flag_ira and code which worked for
1633 * local-alloc.c: Remove the file.
1635 * common.opt (fira): Remove.
1637 * ira.c: Include except.h.
1638 (eliminable_regset): Move from global.c.
1639 (mark_elimination): Ditto. Remove flag_ira.
1640 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1641 equiv_mem_modified, validate_equiv_mem_from_store,
1642 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1643 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1644 no_equiv, recorded_label_ref): Move from local-alloc.c.
1645 (update_equiv_regs): Ditto. Make it static.
1646 (print_insn_chain, print_insn_chains): Move it from global.c.
1647 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1648 (build_insn_chain): Ditto. Make it static.
1649 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1650 Rename to init_live_subregs.
1651 (gate_ira): Remove flag_ira.
1653 * regclass.c: Rename reginfo.c. Change file description.
1654 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1655 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1656 (init_reg_sets_1): Remove code for evaluation of
1657 reg_class_superclasses and losing_caller_save_reg_set.
1658 (init_regs): Remove init_reg_autoinc.
1659 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1660 ok_for_base_p_nonstrict): Remove.
1661 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1662 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1663 corresponding entries.
1664 (dump_regclass, record_operand_costs, scan_one_insn,
1665 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1666 record_address_regs, auto_inc_dec_reg_p): Remove.
1667 (gt-regclass.h): Rename to gt-reginfo.h.
1669 * rtl.h (dump_global_regs, retry_global_alloc,
1670 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1672 * Makefile.in (RA_H): Remove.
1673 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1674 Rename regclass.o to reginfo.o.
1675 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1677 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1678 (GTFILES): Rename regclass.c to reginfo.c.
1680 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1681 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1683 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1684 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1686 (finish_spills): Ditto. Remove code for !flag_ira.
1688 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1691 * doc/invoke.texi (rtl debug options): Complete rewrite.
1692 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1694 * mode-switching.c (pass_mode_switching): Rename pass from
1695 "mode-sw" to "mode_sw".
1696 * except.c (pass_convert_to_eh_ranges): Rename pass from
1697 "eh-ranges" to "eh_ranges".
1698 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1702 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1703 Alexander Monakov <amonakov@ispras.ru>
1706 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1708 (move_exprs_to_boundary): Change return type and pass through
1709 should_move from move_op. Relax assert. Update usage ...
1710 (schedule_expr_on_boundary): ... here. Use should_move instead of
1712 (move_op_orig_expr_found): Indicate that insn was disconnected from
1714 (code_motion_process_successors): Do not call after_merge_succs
1715 callback if original expression was not found when traversing any of
1717 (code_motion_path_driver): Change return type. Update prototype.
1718 (move_op): Update comment. Add a new parameter (should_move). Update
1719 prototype. Set *should_move based on indication provided by
1720 move_op_orig_expr_found.
1722 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1724 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1725 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1726 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1727 * config/rs6000/rs6000.c (rs6000_override_options): Default
1728 avoid-indexed-addresses on for Power6, off for everything else.
1729 (avoiding_indexed_address_p): New function.
1730 (rs6000_legitimize_address): Use it.
1731 (rs6000_legitimate_address): Likewise.
1732 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1734 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1736 PR tree-optimization/38997
1737 * tree-loop-distribution.c (generate_memset_zero): Use
1738 POINTER_PLUS_EXPR for a pointer addition.
1740 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1742 * config/s390/s390.md (bswap<mode>2): New pattern added.
1744 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1746 * config/s390/s390.md (*tls_load_31): Added type attribute.
1748 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1750 * config/s390/s390.md: Fix a few comments.
1752 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1754 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1755 (*tm<mode>_full): Fixed z10prop attribute.
1756 (*tst<mode>_extimm): Fixed z10prop attribute.
1757 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1758 (*tstqiCCT_cconly): Fixed z10prop attribute.
1759 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1760 (*movsi_larl): Fixed z10prop attribute.
1761 (*movsi_zarch): Fixed z10prop attribute.
1762 (*movsi_eas): Fixed z10prop attribute.
1763 (*movhi): Fixed z10prop attribute.
1764 (*movqi): Fixed z10prop attribute.
1765 (*movstrictqi): Fixed z10prop attribute.
1766 (*mov<mode>): Fixed z10prop attribute.
1767 (*movcc): Fixed z10prop attribute.
1768 (*sethighpartdi_64): Fixed z10prop attribute.
1769 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1770 (*negdi2_sign_cc): Fixed z10prop attribute.
1771 (*negdi2_sign): Fixed z10prop attribute.
1772 (*absdi2_sign_cc): Fixed z10prop attribute.
1773 (*absdi2_sign): Fixed z10prop attribute.
1774 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1775 (*negabsdi2_sign): Fixed z10prop attribute.
1776 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1777 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1778 (doloop_si64): Fixed z10prop attribute.
1779 (doloop_si31): Fixed z10prop attribute.
1780 (doloop_long): Fixed z10prop attribute.
1781 (indirect_jump): Fixed z10prop attribute.
1782 (nop): Fixed z10prop attribute.
1783 (main_base_64): Fixed z10prop attribute.
1784 (reload_base_64): Fixed z10prop attribute.
1786 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1788 PR rtl-optimization/38740
1789 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1791 * config/mips/mips.c (mips_reorg): Likewise.
1793 2009-01-28 Richard Guenther <rguenther@suse.de>
1795 PR tree-optimization/38926
1796 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1797 with the correct value id to a value.
1798 (do_regular_insertion): Use the value number of edoubleprime
1799 for the value number of the expr.
1802 2008-08-21 Richard Guenther <rguenther@suse.de>
1804 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1805 a PHI ask VN if it is already available.
1806 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1807 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1809 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1812 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1813 set to varying whenever max has TREE_OVERFLOW set, similarly
1814 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1816 2009-01-28 Richard Guenther <rguenther@suse.de>
1819 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1820 uninitialized aggregate uses in call arguments.
1822 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1824 PR tree-optimization/38984
1825 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1826 the nothing_id variable if -fno-delete-null-pointer-checks.
1828 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1831 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1832 (set_got_offset_rex64): Ditto.
1834 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1837 * doc/extend.texi: Improve local variable with asm reg.
1839 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1841 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1842 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1843 was not supplied then set warn_packed_bitfield_compat to the
1845 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1848 2009-01-27 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/38503
1851 * cfgexpand.c (expand_gimple_basic_block): Ignore
1852 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1853 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1854 variables that cannot have TBAA applied.
1855 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1858 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1861 * calls.c (initialize_argument_information): Do not wrap complex
1862 arguments in SAVE_EXPR.
1864 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1866 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1867 (INSTALL_LIBGCC): Revert typo commit.
1869 2009-01-26 Richard Guenther <rguenther@suse.de>
1871 PR tree-optimization/38745
1872 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1873 from special handling.
1875 2009-01-26 Richard Guenther <rguenther@suse.de>
1877 PR tree-optimization/38745
1878 * tree-ssa.c (execute_update_addresses_taken): Do not include
1879 variables that cannot possibly be a register in not_reg_needs.
1880 Do not clear TREE_ADDRESSABLE on vars that may not become
1882 * tree-ssa.c (update_alias_info_1): Include those in the set
1883 of addressable vars.
1885 2009-01-26 Richard Guenther <rguenther@suse.de>
1888 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1889 * tree-ssa-dse.c: Include langhooks.h
1890 (execute_simple_dse): Remove stores with zero size.
1892 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1895 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1898 2009-01-24 Julian Brown <julian@codesourcery.com>
1900 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1901 config/arm/linux-atomic.c.
1902 * config/arm/linux-atomic.c: New.
1904 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1906 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1907 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1908 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1910 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1913 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1916 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1918 PR tree-optimization/38953
1919 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1920 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1921 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1922 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1925 2009-01-24 Paul Brook <paul@codesourcery.com>
1927 * config/arm/neon.md (neon_type): Move to arm.md.
1928 (neon_mov<VSTRUCT>): Add neon_type attribute.
1929 * config/arm/arm.md (neon_type): Move to here.
1930 (conds): Add "unconditioal" and use as default for NEON insns.
1932 2009-01-24 Ben Elliston <bje@au.ibm.com>
1934 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1935 void *' warning from -Wc++-compat.
1936 * Makefile.in (dominance.o-warn): Remove.
1938 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1940 PR tree-optimization/38932
1941 * fold-const.c (fold_unary_ignore_overflow): New.
1942 * tree.h (fold_unary_ignore_overflow): Declare.
1943 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1944 * tree-ssa-sccvn.c (visit_reference_op_load,
1945 simplify_unary_expression): Likewise.
1947 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1949 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1950 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1951 regardless of their type.
1952 * c-common.c (handle_packed_attribute): Don't ignore packed on
1954 * c.opt (Wpacked-bitfield-compat): New warning option.
1955 * stor-layout.c (place_field): Warn if offset of a field changed.
1956 * doc/extend.texi (packed): Mention the ABI change.
1957 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1958 (Warning Options): Add it to the list.
1960 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1962 * c-opts.c (c_common_post_options): Fix a typo in comments.
1964 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1967 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1968 variables to static.
1969 * doc/invoke.texi (-fmerge-all-constants): Update description.
1971 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1974 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1975 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1977 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1979 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1981 (LOCAL_ALIGNMENT): Similarly.
1983 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1984 Joseph Myers <joseph@codesourcery.com>
1986 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1987 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1988 * config/arm/arm-tune.md: Regenerate.
1989 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1992 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1994 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1995 version number to five.
1997 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2000 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2001 * c-common.c (set_underlying_type): Likewise.
2002 (is_typedef_decl ): Likewise
2004 (set_underlying_type): Likewise.
2005 (is_typedef_type): Likewise.
2007 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2010 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2013 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2016 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2017 (LIBGCC_SPEC): Don't define.
2018 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2020 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2022 PR rtl-optimization/38879
2023 * alias.c (base_alias_check): Unaligned access via AND address can
2024 alias all surrounding object types except those with sizes equal
2025 or wider than the size of unaligned access.
2027 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2030 * c-decl.c: (clone_underlying_type): Move this ...
2031 * c-common.c (set_underlying_type): ... here.
2032 Also, make sure the function properly sets TYPE_STUB_DECL() on
2033 the newly created typedef variant type.
2034 (is_typedef_decl ): New entry point.
2035 * tree.h: Added a new member member_types_needing_access_check to
2036 struct tree_decl_non_common.
2037 (set_underlying_type): New entry point.
2038 (is_typedef_type): Likewise.
2040 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2042 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2043 Check whether two instructions have memory references that
2044 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2045 are helper functions for traversing.
2046 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2047 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2048 not to draw dependency edge for instructions with non-conflicting
2051 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2054 * longlong.h: Update copyright years. Use soft-fp license notice.
2055 Sync __clz_tab declaration with glibc.
2057 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2060 * doc/extend.texi (syscall_linkage): New.
2061 (version_id): Modify.
2063 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2064 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/38747
2067 PR tree-optimization/38748
2068 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2069 conversion if the base address is an indirect reference and the
2070 aliasing sets could cause issues.
2072 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2074 * common.opt (fgraphite, fgraphite-identity): Add comment for
2075 explaining why these options are not documented.
2077 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2079 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2080 gimple_call_lhs is NULL.
2082 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2085 * emit-rtl.c (adjust_address_1): Make sure memref is never
2088 2009-01-20 Ben Elliston <bje@au.ibm.com>
2090 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2091 const qualifier from arg parameter. Remove unnecessary cast to char *.
2092 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2093 const qualifier from arg 2.
2095 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2097 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2099 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2102 * rtl.h (reinit_regs): New prototype.
2103 * regclass.c: Include ira.h.
2105 * Makefile.in (regclass.o): Add ira.h.
2106 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2108 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2111 * c-common.c (handle_aligned_attribute): Use
2112 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2113 default alignment value.
2115 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2117 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2118 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2120 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2121 __BIGGEST_ALIGNMENT__.
2123 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2125 2009-01-18 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/38819
2128 * tree-flow.h (operation_could_trap_helper_p): Declare.
2129 * tree-eh.c (operation_could_trap_helper_p): Export.
2130 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2131 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2132 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2133 are about to insert a possibly trapping instruction and fail
2136 2009-01-18 Andreas Schwab <schwab@suse.de>
2138 * doc/install.texi (Configuration): Remove obsolete paragraph
2139 about use of --with-gnu-ld with --with-gnu-as.
2141 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2143 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2144 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2145 Follow spelling conventions.
2147 2009-01-18 Ben Elliston <bje@au.ibm.com>
2149 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2150 C++ warning about implicit conversion from void * to struct
2152 (bitmap_obstack_free): Likewise for bitmap_element *.
2153 * Makefile.in (bitmap.o-warn): Remove.
2155 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2157 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2159 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2160 Tobias Grosser <tobi.grosser@amd.com>
2162 * graphite.c (graphite_trans_scop_block): Do not block single
2165 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2167 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2168 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2169 test with assertion.
2171 2009-01-16 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/38835
2175 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2176 and INT + PTR -> (INT)(PTR p+ INT) folding.
2177 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2179 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2182 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2183 the subreg from a lowpart subreg if it is also casting the value.
2185 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2186 Tobias Grosser <tobi.grosser@amd.com>
2188 * graphite.c (compare_prefix_loops): New.
2189 (build_scop_canonical_schedules): Rewritten.
2190 (graphite_transform_loops): Move build_scop_canonical_schedules
2191 after build_scop_iteration_domain.
2193 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2194 Tobias Grosser <tobi.grosser@amd.com>
2196 * graphite.c (add_conditions_to_domain): Add the loops to
2197 the dimension of the iteration domain. Do copy the domain
2198 only when it exists.
2199 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2200 (add_conditions_to_constraints): New.
2201 (can_generate_code_stmt, can_generate_code): Removed.
2202 (gloog): Do not call can_generate_code.
2203 (graphite_transform_loops): Call add_conditions_to_constraints
2204 after building the iteration domain.
2206 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2208 PR tree-optimization/38789
2209 * tree-ssa-threadedge.c
2210 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2211 __builtin_constant_p.
2213 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2215 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2216 examined before deleting them.
2218 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2220 * function.c (aggregate_value_p): Correctly extract the function
2221 type from CALL_EXPR_FN lookup.
2223 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2225 * config/picochip/picochip.c (picochip_override_options): Revert
2226 CFI asm flag disable commited previously.
2228 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2229 Tobias Grosser <tobi.grosser@amd.com>
2230 Jan Sjodin <jan.sjodin@amd.com>
2232 * graphite.c (scan_tree_for_params): On substractions negate
2233 all the coefficients of the term.
2234 (clast_to_gcc_expression_red): New. Handle reduction expressions
2235 of more than two operands.
2236 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2237 (get_vdef_before_scop): Handle also the case of default definitions.
2239 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2241 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2242 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2243 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2245 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2246 Joey Ye <joey.ye@intel.com>
2249 * cfgexpand.c (expand_stack_alignment): Don't update stack
2250 boundary nor check incoming stack boundary here.
2251 (gimple_expand_cfg): Update stack boundary and check incoming
2252 stack boundary here.
2254 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2256 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2258 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2260 PR rtl-optimization/38245
2261 * calls.c (expand_call): Add stack arguments to
2262 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2263 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2264 in regs and partially in memory or BLKmode arguments.
2265 (emit_library_call_value_1): Add stack arguments to
2266 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2267 ACCUMULATE_OUTGOING_ARGS).
2268 * dce.c: Include tm_p.h.
2269 (find_call_stack_args): New function.
2270 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2272 (mark_insn): Call find_call_stack_args for CALL_Ps.
2273 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2274 forwards. Allocate and free arg_stores bitmap if needed, pass it
2275 down to deletable_insn_p, don't mark stores set in arg_stores
2276 bitmap, clear the bitmap at the beginning of each bb.
2277 * Makefile.in (dce.o): Depend on $(TM_P_H).
2279 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2282 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2283 to make sure the insn is a conditional test (bug 22599). Reformat a
2286 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2289 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2290 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2291 (gloog): Do not call cleanup_tree_cfg.
2292 (graphite_transform_loops): Call cleanup_tree_cfg after all
2293 scops have been code generated.
2295 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2296 * doc/gty.texi (Invoking the garbage collector): Added new node
2297 and section documenting ggc_collect.
2299 2009-01-14 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/38826
2303 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2304 initialization notes only if we actually emitted a warning.
2305 (intra_create_variable_infos): Add constraints for a result decl
2306 that is passed by hidden reference.
2307 (build_pred_graph): Mark all related variables non-direct on
2310 2009-01-14 Nick Clifton <nickc@redhat.com>
2312 * ira-conflicts.c: Include addresses.h for the definition of
2314 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2315 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2317 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2320 * Makefile.in (ira-lives.o): Add except.h.
2322 * ira-lives.c: Include except.h.
2323 (process_bb_node_lives): Process can_throw_internal.
2325 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2327 PR rtl-optimization/38774
2328 * combine.c (simplify_set): When undoing cc_use change, don't do
2329 PUT_CODE on the newly created comparison, but instead put back the
2332 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2334 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2335 values. Remove duplicate arm8 entry.
2337 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2339 PR tree-optimization/38786
2340 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2341 the SSA_NAME case of expand_scalar_variables_expr.
2342 Set the type of an expression to the type of its assign statement.
2343 (expand_scalar_variables_expr): Also gather the scalar computation
2344 used to index the memory access. Do not pass loop_p.
2345 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2346 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2347 the gimple_stmt_iterator where it inserts new code.
2349 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2350 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2352 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2354 * graphite.h (debug_value): Removed.
2355 * graphite.c (debug_value): Removed.
2357 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2359 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2360 ldrd/strd with two 32-bit instructions.
2362 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2364 * config/arm/arm.c (struct processors): Pass for speed down into
2365 cost helper functions.
2366 (const_ok_for_op): Handle COMPARE and inequality nodes.
2367 (arm_rtx_costs_1): Rewrite.
2368 (arm_size_rtx_costs): Update prototype.
2369 (arm_rtx_costs): Pass speed down to helper functions.
2370 (arm_slowmul_rtx_costs): Rework cost calculations.
2371 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2372 (arm_9e_rtx_costs): Likewise.
2374 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2376 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2377 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2378 (alpha_legitimize_address): Do not split local symbols wider than
2379 UNITS_PER_WORD into HIGH/LO_SUM parts.
2381 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2384 * gcc.c (process_command): Replace call to execvp with calls
2385 to pex_one and exit.
2387 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2390 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2391 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2392 variant for devices with 3-byte PC.
2393 (__tablejump_elpm__) : New.
2395 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2398 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2399 offsetof member-designator, handle it as `[0].'.
2401 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2403 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2404 function when not using named sections on targets with named sections
2405 if branch distance is less than 262132.
2407 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2409 * combine.c (combine_instructions): Recompute
2410 optimize_this_for_speed_p for each BB in the main combine loop.
2412 2009-01-12 Tomas Bily <tbily@suse.cz>
2415 * tree-loop-distribution.c (prop_phis): New function.
2416 (generate_builtin): Call prop_phis.
2417 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2419 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2421 PR tree-optimization/38807
2422 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2423 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2425 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2427 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2428 subreg of op0 to the original op0.
2430 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2432 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2434 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2437 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2438 starting with digits.
2440 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2443 * config/arm/arm.c (arm_is_long_call_p): Don't call
2444 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2446 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2448 * regrename.c (regrename_optimize): Fix dumping.
2449 (find_oldest_value_reg): Preserve REG_POINTER.
2450 (copy_hardreg_forward_1): Likewise.
2452 2009-01-09 Diego Novillo <dnovillo@google.com>
2454 * gimple.h (struct gimple_statement_base) <uid>: Document
2455 the restrictions on its use.
2457 (gimple_set_uid): Tidy.
2459 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2461 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2462 zero guard even if align_bytes != 0 and count is smaller than
2465 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2467 PR rtl-optimization/38495
2468 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2469 (add_range_and_copies_from_move_list): Print all added ranges.
2470 Add ranges to memory optimized destination.
2472 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2476 * config/i386/i386.c (override_options): Reject
2477 -mstringop-strategy=rep_8byte with -m32.
2478 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2479 to 1. Do count comparison against epilogue_size_needed at compile
2480 time even when count_exp was constant forced into register. For
2481 size_needed don't jump to epilogue, instead just avoid aligning
2482 and invoke the body algorithm. If need_zero_guard, add zero guard
2483 even if count is non-zero, but smaller than size_needed + number of
2484 bytes that could be stored for alignment.
2485 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2486 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2487 but smaller than size_needed + number of bytes that could be stored
2488 for alignment. Compare size_needed with epilogue_size_needed instead
2489 of desired_align - align, don't adjust size_needed, pass
2490 epilogue_size_needed to the epilogue expanders.
2493 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2495 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2497 * pa.c (last_address): Change to unsigned.
2498 (update_total_code_bytes): Change argument to unsigned. Don't
2499 check if insn addresses are set.
2500 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2501 addresses are not set.
2502 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2504 2009-01-09 Nick Clifton <nickc@redhat.com>
2506 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2507 DECL_DECLARED_INLINE_P.
2509 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2512 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2513 GET_MODE (op0) in operand_subword_force calls.
2516 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2517 fold_convert arg0 operands to TREE_TYPE (op0) first.
2519 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2521 * params.def (ira-max-conflict-table-size): Decrease default value
2524 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2526 PR tree-optimization/37031
2527 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2529 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2530 allocate it using gc instead of heap, use VEC_quick_push instead of
2532 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2533 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2534 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2535 allocated vector from heap allocated.
2536 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2537 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2538 vector only after perfect_loop_nest_depth call.
2540 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2541 Jan Sjodin <jan.sjodin@amd.com>
2543 PR tree-optimization/38559
2544 * graphite.c (debug_value, copy_constraint,
2545 swap_constraint_variables, scale_constraint_variable, ): New.
2546 (get_lower_bound, get_upper_bound): Removed.
2547 (graphite_trans_bb_strip_mine): Clean up this code that works
2548 only for constant number of iterations. Fully copy upper and
2549 lower bound constraints, not only the constant part of them.
2550 * graphite.h (debug_value): Declared.
2552 2009-01-08 Ira Rosen <irar@il.ibm.com>
2554 PR tree-optimization/37194
2555 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2556 Don't add the cost of cost model guard in prologue to scalar
2557 outside cost in case of known number of iterations.
2559 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2560 Alan Modra <amodra@bigpond.net.au>
2562 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2563 non-word-aligned REG+CONST addressing.
2565 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2568 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2569 free_after_compilation when outputting a thunk.
2570 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2571 Do not call free_after_compilation here.
2573 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2575 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2576 (ix86_valid_target_attribute_inner_p): Ditto.
2578 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2580 PR tree-optimization/38492
2581 PR tree-optimization/38498
2582 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2583 * tree-chrec.h (scev_is_linear_expression): Declared.
2584 * graphite.c (graphite_cannot_represent_loop_niter): New.
2585 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2586 (graphite_loop_normal_form): Use gcc_assert.
2587 (scan_tree_for_params): Use CASE_CONVERT.
2588 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2589 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2590 Use gcc_assert. Discard scops that contain unhandled cases.
2591 (build_scop_conditions): Return a boolean status for unhandled cases.
2592 (strip_mine_profitable_p): Print the loop number, not its depth.
2593 (is_interchange_valid): Pass the depth of the loop nest, don't
2594 recompute it wrongly.
2595 (graphite_trans_bb_block): Same.
2596 (graphite_trans_bb_block): Print tentative of loop blocking.
2597 (graphite_trans_scop_block): Do not print that the loop has been
2599 (graphite_transform_loops): Do not handle scops that contain condition
2602 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2604 AVX Programming Reference (December, 2008)
2605 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2606 (_mm256_stream_pd): Likewise.
2607 (_mm256_stream_ps): Likewise.
2609 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2610 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2611 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2612 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2613 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2614 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2615 (ix86_expand_special_args_builtin): Likewise.
2617 * config/i386/sse.md (AVXMODEDI): New.
2618 (avx_movnt<mode>): Likewise.
2619 (avx_movnt<mode>): Likewise.
2620 (<sse>_movnt<mode>): Remove AVX support.
2621 (sse2_movntv2di): Likewise.
2623 2009-01-07 Richard Guenther <rguenther@suse.de>
2626 * fold-const.c (extract_muldiv): Remove obsolete comment.
2627 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2628 to PLUS_EXPR canonicalization for the canonicalization.
2630 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2632 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2633 hosted cross-compilers generating less efficient code.
2635 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2637 * function.h (rtl_data): Add a dbr_scheduled_p field.
2638 * reorg.c (dbr_schedule): Set it.
2639 (gate_handle_delay_slots): Check it.
2640 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2641 (mips_reorg): Check flag_delayed_branch instead of
2642 mips_base_delayed_branch.
2643 (mips_override_options): Don't set mips_base_delayed_branch
2644 or flag_delayed_branch.
2646 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2648 PR rtl-optimization/38426.
2649 * ira.c (ira): Set current_function_is_leaf earlier.
2651 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2653 PR rtl-optimization/38722
2654 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2655 too early, only set a flag and modify after last possible
2658 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2661 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2662 * real.c (decimal_single_format): Correct values of emin and emax.
2663 (decimal_double_format): Ditto.
2664 (decimal_quad_format): Ditto.
2665 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2666 computation of DECnn_MIN and DECnn_MAX for corrected values of
2667 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2668 __DECnn_MIN__, and adjust its computation for the corrected value
2671 2009-01-06 Jan Hubicka <jh@suse.cz>
2674 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2676 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2678 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2679 Add Robert Clark to the list of testers.
2681 2009-01-06 Jan Hubicka <jh@suse.cz>
2682 Kai Tietz <kai.tietz@onevision.com>
2684 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2685 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2687 2009-01-06 Jan Hubicka <jh@suse.cz>
2688 Kai Tietz <kai.tietz@onevision.com>
2690 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2692 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2693 (ix86_nsaved_regs): Count only general purpose regs.
2694 (ix86_nsaved_sseregs): New.
2695 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2696 to 16 for w64; compute padding and size of sse reg save area.
2697 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2698 general purpose regs.
2699 (ix86_emit_save_sse_regs_using_mov): New.
2700 (ix86_expand_prologue): Save SSE regs if needed.
2701 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2702 (ix86_emit_restore_sse_regs_using_mov): New.
2703 (ix86_expand_epilogue): Save SSE regs if needed.
2705 2009-01-06 Jan Hubicka <jh@suse.cz>
2706 Kai Tietz <kai.tietz@onevision.com>
2708 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2709 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2710 functions when accumulate outgoing args is off.
2712 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2715 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2716 before using pseudos_have_intersected_live_ranges_p.
2718 * ira-int.h (ira_assert): Always define.
2720 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2722 AVX Programming Reference (December, 2008)
2723 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2724 (_mm256_permute2_pd): Likewise.
2725 (_mm_permute2_ps): Likewise.
2726 (_mm256_permute2_ps): Likewise.
2727 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2728 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2730 * config/i386/i386.c (ix86_builtins): Remove
2731 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2732 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2733 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2734 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2735 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2736 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2737 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2738 __builtin_ia32_vpermil2ps256.
2739 (ix86_init_mmx_sse_builtins): Updated.
2740 (ix86_expand_args_builtin): Likewise.
2742 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2744 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2745 long absolute calls when generating PA 2.0 code.
2747 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2749 PR rtl-optimization/38583
2750 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2752 * params.def (ira-max-conflict-table-size): New.
2754 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2756 * ira.h (ira_conflicts_p): New external definition.
2758 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2759 table. Report this. Return result of building.
2760 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2761 building conflict table.
2763 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2764 (ira_color): Use ira_conflicts_p.
2766 * global.c: Include ira.h.
2767 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2770 * Makefile.in (global.o): Add ira.h.
2772 * ira-build.c (mark_all_loops_for_removal,
2773 propagate_some_info_from_allocno): New.
2774 (remove_unnecessary_allocnos): Call
2775 propagate_some_info_from_allocno.
2776 (remove_low_level_allocnos): New.
2777 (remove_unnecessary_regions): Add parameter. Call
2778 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2779 parameter to remove_unnecessary_regions.
2780 (ira_build): Remove all regions but root if the conflict table was
2781 not built. Update conflict hard regs for allocnos crossing calls.
2783 * ira.c (ira_conflicts_p): New global.
2784 (ira): Define and use ira_conflicts_p.
2786 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2787 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2788 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2790 2009-01-06 Ben Elliston <bje@au.ibm.com>
2792 * gengtype-lex.l (YY_NO_INPUT): Define.
2794 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2797 * c-common.c (handle_vector_size_attribute): Also reject
2800 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2802 PR tree-optimization/38492
2803 * graphite.c (rename_map_elt, debug_rename_elt,
2804 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2805 rename_map_elt_info, eq_rename_map_elts,
2806 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2807 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2808 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2809 (sese_build_livein_liveouts): New.
2810 (new_sese, free_sese): New.
2811 (new_scop): Call new_sese.
2812 (free_scop): Call free_sese.
2813 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2814 (register_old_new_names): Renamed register_old_and_new_names.
2815 (register_scop_liveout_renames, add_loop_exit_phis,
2816 insert_loop_close_phis, struct igp,
2817 default_liveout_before_guard, add_guard_exit_phis,
2818 insert_guard_phis, copy_renames): New.
2819 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2820 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2821 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2822 (scop_adjust_phis_for_liveouts): New.
2823 (gloog): Call scop_adjust_phis_for_liveouts.
2825 * graphite.h (struct sese): Documented. Added fields liveout,
2827 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2828 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2829 (struct scop): Added field liveout_renames.
2830 (SCOP_LIVEOUT_RENAMES): New.
2832 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2834 PR tree-optimization/38510
2835 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2836 (translate_clast): Call recompute_all_dominators before
2838 (gloog): Call recompute_all_dominators before graphite_verify.
2840 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2841 Jan Sjodin <jan.sjodin@amd.com>
2843 PR tree-optimization/38500
2844 * graphite.c (create_sese_edges): Call fix_loop_structure after
2847 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2849 * config.gcc: Add m32r*-*-rtems*.
2850 * config/m32r/rtems.h: New file.
2852 2009-01-05 Ben Elliston <bje@au.ibm.com>
2854 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2855 (.po.pox): Likewise.
2856 (po/gcc.pot): Likewise.
2858 2009-01-04 David S. Miller <davem@davemloft.net>
2860 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2861 (STARTING_FRAME_OFFSET): Always set to zero.
2863 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2865 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2866 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2867 fixed-point types, and vectors of the same.
2869 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2871 * config/mips/sync.md (*mb_barrier): Rename to...
2872 (*memory_barrier): ...this.
2874 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2876 * doc/extend.texi (Function Attributes): Move @cindex after @item
2877 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2878 and put in alphabetical order. Fix 'target' name and put in order.
2879 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2882 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2884 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2885 (memory_barrier): Expand as unspec instead of unspec_volatile.
2886 Remove mem:BLK from insn operands. Use Pmode scratch register.
2887 (*memory_barrier): Define as unspec instead of unspec_volatile.
2888 Use (match_dup 0) as input operand.
2890 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2891 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2892 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2893 scratch register. Remove operand 1.
2894 (*stbar): Define as unspec instead of unspec_volatile.
2895 Use (match_dup 0) as input operand, remove (const_int 8).
2896 (*membar): Define as unspec instead of unspec_volatile.
2897 Use (match_dup 0) as input operand, remove input operand 2.
2899 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2900 (memory_barrier): Expand as unspec instead of unspec_volatile.
2901 Remove mem:BLK from insn operands. Use Pmode scratch register.
2902 (*memory_barrier): Define as unspec instead of unspec_volatile.
2903 Use (match_dup 0) as input operand.
2905 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2906 Remove mem:BLK from insn operands. Use Pmode scratch register.
2907 Set volatile flag on operand 0.
2908 (*memory_barrier): New insn pattern.
2910 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2912 (*memory_barrier): Use (match_dup 0) as input operand.
2914 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2915 Remove mem:BLK from insn operands. Use Pmode scratch register.
2916 Set volatile flag on operand 0.
2917 (*mb_internal): New insn pattern.
2919 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2921 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2924 * function.c (struct temp_slot): Move to the section of the file
2925 that deals with temp slots. Remove field 'address'.
2926 (temp_slot_address_table): New hash table of address -> temp slot.
2927 (struct temp_slot_address_entry): New struct, items for the table.
2928 (temp_slot_address_compute_hash, temp_slot_address_hash,
2929 temp_slot_address_eq, insert_temp_slot_address): Support functions
2931 (find_temp_slot_from_address): Rewrite to use the new hash table.
2932 (remove_unused_temp_slot_addresses): Remove addresses of temp
2933 slots that have been made available.
2934 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2935 worker function for remove_unused_temp_slot_addresses.
2936 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2937 Add the temp slot address to the address -> temp slot map.
2938 (update_temp_slot_address): Update via insert_temp_slot_address.
2939 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2940 (pop_temp_slots): Likewise.
2941 (init_temp_slots): Allocate the address -> temp slot map, or empty
2942 the map if it is already allocated.
2943 (prepare_function_start): Initialize temp slot processing.
2945 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2948 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2949 Calculate the size of all stack vars assuming no packing of stack
2950 vars will happen, replacing a quadratic algorithm with a linear one.
2952 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2955 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2958 2009-01-03 Diego Novillo <dnovillo@google.com>
2960 * doc/contrib.texi: Update contributions.
2962 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2965 * builtins.c (fold_builtin_memory_op): Give up if either operand
2966 is volatile. Set srctype or desttype to non-qualified version
2970 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2973 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2975 PR rtl-optimization/35805
2976 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2977 problem if fast dce is able to remove any instructions.
2978 * dce.c (dce_process_block): Fix dump message.
2980 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2983 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2985 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2988 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2989 * tree-pretty-print.c (op_code_prio): New function.
2990 (op_prio): No longer static. Use op_code_prio.
2991 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2992 Use op_prio and op_code_prio to determine if () should be
2993 printed around operand(s) or not.
2995 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2996 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2997 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2998 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2999 pp_character instead of pp_string for single letter printing.
3001 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3003 * doc/extend.texi: Fix '#pragma GCC option' typo.
3005 2009-01-02 Richard Guenther <rguenther@suse.de>
3007 * doc/install.texi (--enable-checking): Mention different
3009 (--enable-stage1-checking): Document.
3011 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3014 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3015 case to be an error.
3017 2009-01-02 Ben Elliston <bje@au.ibm.com>
3019 * config/fp-bit.h (pack_d): Constify argument.
3020 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3021 (isnan): Constify argument.
3025 (_fpadd_parts): Constify return type.
3026 (_fpmul_parts): Likewise.
3027 (_fpdiv_parts): Likewise.
3029 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3032 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3033 warn about overwriting initializer with side-effects or
3034 -Woverride-init if !IMPLICIT.
3035 (output_init_element): Likewise. Pass IMPLICIT down to
3037 (process_init_element): Add IMPLICIT argument. Pass it down
3038 to output_init_element.
3039 (push_init_element, pop_init_level, set_designator): Adjust
3040 process_init_element callers.
3041 (set_nonincremental_init, set_nonincremental_init_from_string):
3042 Adjust add_pending_init callers.
3043 (output_pending_init_elements): Adjust output_init_element callers.
3044 * c-tree.h (process_init_element): Adjust prototype.
3045 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3046 process_init_element callers.
OSDN Git Service
