1 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3 * config/m68k/t-rtems: Add m5329 multilib.
5 2009-03-24 Dodji Seketeli <dodji@redhat.com>
6 Jakub Jelinek <jakub@redhat.com>
9 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
12 2009-03-23 Jakub Jelinek <jakub@redhat.com>
15 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
16 instead of c_parser_expression_conv, if original_code isn't one of the
17 4 allowed comparison codes, fail.
19 2009-03-23 Richard Guenther <rguenther@suse.de>
21 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
22 * tree.h (struct tree_type): Likewise.
23 * reload.h (struct insn_chain): Likewise.
24 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
25 * function.h (struct function): Likewise.
26 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
28 2009-03-23 Jakub Jelinek <jakub@redhat.com>
30 PR tree-optimization/39516
31 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
33 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
35 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
36 should be set true if BITS_PER_WORD of target is bigger than 32
38 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
40 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
41 Translate -B-options to -rpath-link. Correct existing
42 rpath-link and conditionalize on !nostdlib.
44 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
46 * doc/extend.texi (Function Attributes, Variable Attributes):
48 * doc/invoke.texi (Debugging Options, Optimize Options)
49 (i386 and x86-64 Options, MCore Options): Likewise.
51 2009-03-20 Jakub Jelinek <jakub@redhat.com>
54 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
55 it for block local namespace aliases.
56 (gen_decl_die): Pass context_die to gen_namespace_die.
58 2009-03-19 Jakub Jelinek <jakub@redhat.com>
61 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
62 minimum or maximum value.
64 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
66 * reginfo.c (globalize_reg): Recompute derived reg sets.
68 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
71 * libgcc2.c (mprotect): Do not use signed arguments for
72 VirtualProtect, use DWORD arguments. Also fix the 'may
73 be used uninitialized' warning for the np variable.
75 2009-03-19 Jakub Jelinek <jakub@redhat.com>
78 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
79 functions using regparm calling conventions when not optimizing.
80 (ix86_function_sseregparm): Similarly for sseregparm calling
83 2009-03-19 Li Feng <nemokingdom@gmail.com>
86 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
87 dependence if the first conflict is after niter iterations.
89 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
92 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
93 functions with dynamic stack-pointer adjustments.
95 2009-03-19 Ben Elliston <bje@au.ibm.com>
97 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
98 option; change to -msdata=data.
100 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
102 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
105 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
108 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
110 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
112 * doc/invoke.texi (Code Gen Options): Expand discussion of
115 2009-03-18 Jakub Jelinek <jakub@redhat.com>
117 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
118 * matrix-reorg.c (struct matrix_info): Likewise.
119 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
120 * rtl.h (struct mem_attrs): Likewise.
121 * df.h (struct df): Likewise.
122 * tree-data-ref.h (struct data_dependence_relation): Likewise.
123 * ira-int.h (struct ira_allocno): Likewise.
124 * df-scan.c (struct df_collection_rec): Likewise.
125 * ira.c (struct equivalence): Likewise.
126 * function.c (struct temp_slot): Likewise.
127 * cfgloop.h (struct loop): Likewise.
130 * function.c (use_register_for_decl): When not optimizing, disregard
131 register keyword for variables with types containing methods.
133 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
136 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
137 (is_simple_operand): Call contains_component_ref_p before calling data
138 reference analysis that would fail on COMPONENT_REFs.
140 * tree-vrp.c (search_for_addr_array): Fix formatting.
142 2009-03-18 Richard Guenther <rguenther@suse.de>
144 * tree-vect-transform.c (vect_loop_versioning): Fold the
145 generated comparisons.
146 * tree-vectorizer.c (set_prologue_iterations): Likewise.
147 (slpeel_tree_peel_loop_to_edge): Likewise.
149 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
152 * opts.c (print_specific_help): In addition to `undocumented',
153 accept `separate' and `joined' flags if passed alone. Describe
154 output by the first matched one of those.
155 (common_handle_option): Skip over empty strings.
156 * gcc.c (display_help): Fix help string for `--help='.
157 * doc/invoke.texi (Option Summary, Overall Options): With
158 `--help=', classes and qualifiers can both be repeated, but
159 only the latter can be negated. One should not pass only
160 negated qualifiers. Fix markup and examples.
163 2008-10-14 Jakub Jelinek <jakub@redhat.com>
165 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
168 2009-03-17 Jing Yu <jingyu@google.com>
171 * function.h (struct rtl_data): Move is_thunk from here...
172 (struct function): ...to here.
173 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
174 * varasm.c (assemble_start_function): Change is_thunk from crtl to
176 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
178 (alpha_does_function_need_gp, alpha_start_function): Likewise.
179 (alpha_output_function_end_prologue): Likewise.
180 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
181 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
182 (rs6000_output_function_epilogue): Likewise.
183 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
185 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
188 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
189 from different units in a single alternative.
190 (*truncdfsf_i387): Ditto.
191 (*truncxfsf2_mixed): Ditto.
192 (*truncxfdf2_mixed): Ditto.
194 2009-03-17 Jakub Jelinek <jakub@redhat.com>
196 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
197 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
200 * tree-ssa-live.c (remove_unused_locals): Don't remove local
201 unused non-artificial variables when not optimizing.
204 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
205 DW_TAG_imported_module even if decl is IMPORTED_DECL with
206 NAMESPACE_DECL in its DECL_INITIAL.
209 * optabs.c (set_user_assembler_libfunc): New function.
210 * expr.h (set_user_assembler_libfunc): New prototype.
211 * c-common.c: Include libfuncs.h.
212 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
213 for memcmp, memset, memcpy, memmove and abort.
214 * Makefile.in (c-common.o): Depend on libfuncs.h.
217 * dwarf2out.c (gen_inlined_enumeration_type_die,
218 gen_inlined_structure_type_die, gen_inlined_union_type_die,
219 gen_tagged_type_instantiation_die): Removed.
220 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
223 2009-03-17 Janis Johnson <janis187@us.ibm.com>
226 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
228 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
229 (check-parallel-%): Ditto.
230 (check-consistency): Ditto.
232 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
234 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
235 local variable rhs by NULL_TREE.
237 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
240 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
242 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
245 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
247 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
250 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
251 for ms->sysv ABI calls only in 64bit mode.
253 * config/i386/i386.md (untyped_call): Support 32bit.
255 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
257 * doc/extend.texi: Replace x86_65 with x86_64.
259 2009-03-16 Jakub Jelinek <jakub@redhat.com>
261 PR tree-optimization/39455
262 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
263 mismatches for POINTER_TYPE_P (type).
264 (number_of_iterations_le): Likewise.
266 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
268 * config/picochip/picochip.c: Removed profiling support.
269 * config/picochip/picochip.md: Removed profiling instruction.
270 * config/picochip/picochip.h: Removed profiling builtin.
272 2009-03-16 Joseph Myers <joseph@codesourcery.com>
274 * doc/install.texi (--with-host-libstdcxx): Document.
276 2009-03-14 Anatoly Sokolov <aesok@post.ru>
279 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
280 generate a warning if the function name does not begin with
281 "__vector" and the function has either the 'signal' or 'interrupt'
282 attribute, from here to ...
283 (avr_declare_function_name): ...here. New function.
284 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
285 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
287 2009-03-14 Jakub Jelinek <jakub@redhat.com>
290 * cse.c (fold_rtx): Don't modify original const_arg1 when
291 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
292 separate variable instead.
293 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
294 from out of range shift counts.
295 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
297 2008-03-13 Catherine Moore <clm@codesourcery.com>
299 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
300 diagnostic.h with $(DIAGNOSTIC_H).
302 2008-03-12 Jakub Jelinek <jakub@redhat.com>
305 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
307 * config/i386/sync.md (sync_compare_and_swap<mode>,
308 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
309 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
311 (sync_double_compare_and_swapdi_pic,
312 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
313 cmpxchg8b_pic_memory_operand instead of just memory_operand.
315 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
318 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
320 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
323 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
324 (avx_addsubv4df3): Likewise.
325 (*avx_addsubv4sf3): Likewise.
326 (sse3_addsubv4sf3): Likewise.
328 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
331 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
333 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
336 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
337 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
338 registers for allocnos created from user-defined variables.
340 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
343 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
344 of non-integer mode as well.
346 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
348 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
349 for functions for which the parameter types are unknown.
351 2009-03-11 Jakub Jelinek <jakub@redhat.com>
354 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
355 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
356 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
357 * config/i386/i386.c (ix86_local_alignment): For
358 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
359 long long variables on the stack to avoid dynamic realignment.
360 Allow the first argument to be a decl rather than type.
361 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
363 2009-03-11 Nick Clifton <nickc@redhat.com>
366 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
368 Add description to mno-lsim option.
369 * config/mcore/mcore.h: Remove comment about deprecated m4align
371 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
372 * doc/invoke.texi: Add description of mno-lsim and
373 mstack-increment options.
375 * config/fr30/fr30.opt: Document the -mno-lsim option.
376 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
377 and -mno-lsim options.
379 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
381 * fold-const.c (fold_comparison): Only call fold_inf_compare
382 if the mode supports infinities.
384 2009-03-11 Jason Merrill <jason@redhat.com>
387 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
388 end already did. Notice GIMPLE_CALL modifications of the result.
389 Don't copy debug information from an ignored decl or a decl from
392 2009-03-10 Richard Guenther <rguenther@suse.de>
393 Nathan Froyd <froydnj@codesourcery.com>
396 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
397 (__divMODE3): Likewise.
399 2009-03-09 Jakub Jelinek <jakub@redhat.com>
401 PR tree-optimization/39394
402 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
403 DECL_SIZE_UNIT of variable length FIELD_DECLs.
405 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
407 * recog.c (verfiy_changes): Disallow renaming of hard regs in
408 inline asms for register asm ("") declarations.
410 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
412 * fold-const.c (fold_unary): Fix comment.
414 2009-03-07 Jan Hubicka <jh@suse.cz>
417 * tree-inline.c (setup_one_parameter): Do replacement of const argument
418 by constant in SSA form.
420 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
423 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
424 determine alignment passed to assign_stack_local.
425 (assign_parms_unsplit_complex): Likewise.
426 * except.c (sjlj_build_landing_pads): Likewise.
428 2009-03-06 Jakub Jelinek <jakub@redhat.com>
431 * tree-flow.h (add_referenced_var): Return bool instead of void.
432 * tree-dfa.c (add_referenced_var): Return result of
433 referenced_var_check_and_insert call.
434 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
435 of referenced_var_check_and_insert.
438 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
439 (gen_variable_die): Emit DW_AT_location on abstract static variable's
440 DIE, don't emit it if abstract origin already has it.
441 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
442 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
444 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
446 * genpreds.c: (needs_variable): Fix parentheses at variable name
448 (write_tm_constrs_h): Indent generated code.
450 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
452 * doc/extend.texi (Function Attributes): Add documentation
455 2009-03-06 Jakub Jelinek <jakub@redhat.com>
458 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
459 take locus from its DECL_SOURCE_LOCATION instead of input_location.
461 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
463 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
466 2009-03-05 Jakub Jelinek <jakub@redhat.com>
469 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
470 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
472 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
474 * config/i386/i386.md (R8_REG, R9_REG): New constants.
475 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
476 constants instead of magic numbers.
477 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
479 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
480 (x86_64_ms_abi_int_parameter_registers): Ditto.
481 (x86_64_int_return_registers): Ditto.
482 (ix86_maybe_switch_abi): Ditto.
483 (ix86_expand_call): Ditto for clobbered_registers array.
484 (ix86_hard_regno_mode_ok): Ditto.
485 (x86_extended_QIreg_mentioned_p): Ditto.
487 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
489 PR tree-optimization/39349
490 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
492 * combine.c (gen_lowpart_for_combine): Use omode when generating
495 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
497 PR rtl-optimization/39235
498 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
500 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
502 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
504 2009-03-04 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/39362
507 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
508 that occur in abnormal PHIs should be varying.
510 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
512 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
514 (simple_iv): Take loop as an argument instead of statement.
515 * tree-scalar-evolution.h (simple_iv): Declaration changed.
516 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
518 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
520 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
521 * matrix-reorg.c (analyze_transpose): Ditto.
522 * tree-data-ref.c (dr_analyze_innermost): Ditto.
523 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
524 * tree-predcom.c (ref_at_iteration): Ditto.
525 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
527 2009-03-04 Richard Guenther <rguenther@suse.de>
529 PR tree-optimization/39358
530 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
531 escaped_id and callused_id.
532 (solve_graph): Likewise.
534 2009-03-04 Richard Guenther <rguenther@suse.de>
536 PR tree-optimization/39339
537 * tree-sra.c (try_instantiate_multiple_fields): Make it
538 no longer ICE on the above.
540 2009-03-03 Joseph Myers <joseph@codesourcery.com>
542 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
543 that fits within Pmode.
545 2009-03-03 Steve Ellcey <sje@cup.hp.com>
548 * tm.texi (LIBCALL_VALUE): Update description.
550 2009-03-03 Steve Ellcey <sje@cup.hp.com>
553 * doc/extend.texi (section): Update description.
555 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
558 * tree-inline.c (remapped_type): New.
559 (can_be_nonlocal): Call remapped_type instead of remap_type.
561 2009-03-03 Jakub Jelinek <jakub@redhat.com>
564 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
565 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
567 2009-03-03 Richard Guenther <rguenther@suse.de>
570 * tree.c (tree_nonartificial_location): New function.
571 * tree.h (tree_nonartificial_location): Declare.
572 * builtins.c (expand_builtin_memory_chk): Provide location
573 of the call location for artificial function pieces.
574 (maybe_emit_chk_warning): Likewise.
575 (maybe_emit_sprintf_chk_warning): Likewise.
576 (maybe_emit_free_warning): Likewise.
577 * expr.c (expand_expr_real_1): Likewise.
579 2009-03-03 Jakub Jelinek <jakub@redhat.com>
581 PR tree-optimization/39343
582 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
583 COMPONENT_REF t has ARRAY_TYPE.
585 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
588 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
589 when the type precision of the induction variable should be
590 larger than the type precision of nit.
591 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
592 * graphite.c (graphite_loop_normal_form): Same.
593 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
595 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
597 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
598 (*call_1_rex64_ms_sysv): Use named constants instead of magic
599 numbers to describe clobbered registers.
600 (*call_value_0_rex64_ms_sysv): Ditto.
601 * config/i386/mmx.md (mmx_emms): Ditto.
604 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
606 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
609 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
611 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
612 (spu_section_type_flags): New function.
614 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
616 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
617 reg_class_contents of FLOAT_REGS into a temporary.
619 2009-03-02 Richard Guenther <rguenther@suse.de>
620 Ira Rosen <irar@il.ibm.com>
622 PR tree-optimization/39318
623 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
624 information to the vectorized statement.
626 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
628 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
629 variable. Use defined names instead of magic constants for REX SSE
632 2009-03-01 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/39331
635 * omp-low.c (lower_send_shared_vars): Do not receive new
636 values for the reference of DECL_BY_REFERENCE parms or results.
638 2009-03-01 Jan Hubicka <jh@suse.cz>
641 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
642 BLOCK_NONLOCALIZED_VAR): New macros.
643 (tree_block): Add nonlocalized_vars.
644 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
645 gen_decl_die): Add origin argument. Allow generation of die with
647 (gen_member_die, gen_type_die_with_usage, force_decl_die,
648 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
650 (gen_block_die): Fix checking for unused blocks.
651 (process_scope_var): Break out from .... ; work with origins only.
652 (decls_for_scope) ... here; process nonlocalized list.
653 (dwarf2out_ignore_block): Look for nonlocalized vars.
654 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
656 (dump_scope_block): Dump them.
657 * tree-inline.c (remap_decls): Handle nonlocalized vars.
658 (remap_block): Likewise.
659 (can_be_nonlocal): New predicate.
660 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
662 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
664 * configure: Regenerate.
666 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
668 * optc-gen.awk: No need to duplicate option flags twice.
669 Reuse help texts for duplicate options which do not have any.
671 * gcc.c (display_help): Document --version.
673 * gcc.c (main): If print_help_list and verbose_flag, ensure
674 driver output comes before subprocess output.
676 * optc-gen.awk: Assign all remaining fields to help string,
677 space-separated, for multi-line help in *.opt.
679 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
680 -Wno-pedantic-ms-format is for MinGW targets only.
682 * doc/options.texi (Option file format): Fix bad indentation,
683 restoring dropped sentence.
685 2009-02-28 Jan Hubicka <jh@suse.cz>
687 * tree-inline.c (tree_function_versioning): Output debug info.
689 2009-02-28 Jan Hubicka <jh@suse.cz>
692 * tree-inline.c (setup_one_parameter): Do not copy propagate
693 arguments when not optimizing.
695 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
698 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
699 (avx_addsubv4df3): Likewise.
700 (*avx_addsubv4sf3): Likewise.
701 (sse3_addsubv4sf3): Likewise.
702 (*avx_addsubv2df3): Likewise.
703 (sse3_addsubv2df3): Likewise.
704 (avx_unpckhps256): Correct item selectors.
705 (avx_unpcklps256): Likewise.
706 (avx_unpckhpd256): Likewise.
707 (avx_unpcklpd256): Likewise.
709 2009-02-28 Jan Hubicka <jh@suse.cz>
711 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
713 (copy_arguments_for_versioning): If var is declared don't declare it.
714 (tree_function_versioning): First setup substitutions and then copy
717 2009-02-27 Jan Hubicka <jh@suse.cz>
720 * cgraph.h (varpool_output_debug_info): Remove.
721 * cgraphunit.c (varpool_output_debug_info): Remove.
722 * dwarf2out.c (deferred_locations_struct): New struct
723 (deferred_locations): New type.
724 (deferred_locations_list): New static var.
725 (deffer_location): New function.
726 (gen_variable_die): Use it.
727 (decls_for_scope): Output info on local static vars.
728 (dwarf2out_finish): Process deferred locations.
729 * varpool.c (varpool_output_debug_info): Remove.
731 2009-02-27 Jan Hubicka <jh@suse.cz>
734 * tree.h (TREE_PROTECTED): Fix comment.
735 (BLOCK_HANDLER_BLOCK): Remove.
736 (struct tree_block): Remove handler_block add body_block.
737 (inlined_function_outer_scope_p): New.
738 (is_body_block): Remove.
739 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
740 * dwarf2out.c (is_inlined_entry_point): Remove.
741 (add_high_low_attributes): Use inlined_function_outer_scope_p.
742 (gen_block_die): Use is_inlined_entry_point check. Remove body block
744 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
745 * gimplify.c (gimplify_expr): Gimplify body blocks.
746 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
747 block with multiple subblocks.
748 (dump_scope_block): Prettier output; dump more flags and info.
749 (dump_scope_blocks): New.
750 (remove_unused_locals): Use dump_scope_blocks.
751 * tree-flow.h (dump_scope_blocks): Declare.
752 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
753 * stmt.c (is_body_block): Remove.
754 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
755 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
757 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
760 * graphite.c (graphite_loop_normal_form): Do not call
761 number_of_iterations_exit from a gcc_assert.
763 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
765 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
766 jumps if COND is NULL.
767 (find_cond_jump): New function.
768 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
769 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
771 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
773 * config/alpha/alpha.h (alpha_expand_mov): Return false if
774 force_const_mem returns NULL_RTX.
776 2009-02-26 Jan Hubicka <jh@suse.cz>
779 * cgraph.h (varpool_output_debug_info): Remove.
780 * cgraphunit.c (varpool_output_debug_info): Remove.
781 * dwarf2out.c (deferred_locations_struct): New struct
782 (deferred_locations): New type.
783 (deferred_locations_list): New static var.
784 (deffer_location): New function.
785 (gen_variable_die): Use it.
786 (decls_for_scope): Output info on local static vars.
787 (dwarf2out_finish): Process deferred locations.
788 * varpool.c (varpool_output_debug_info): Remove.
790 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
792 PR rtl-optimization/39241
793 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
794 to subreg_offset_representable_p.
796 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
798 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
799 execute function prototype. Get f and nregs from max_reg_num
800 and get_insns. Remove the first backward pass as it's dead,
801 guard the forward pass by flag_expensive_optimizations.
802 (rest_of_handle_regmove): Delete.
803 (pass_regmove): Replace it with regmove_optimize.
805 2009-02-25 Martin Jambor <mjambor@suse.cz>
807 PR tree-optimization/39259
808 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
809 calls_alloca function flags.
810 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
813 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
815 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
816 flags_set_1_rtx, flags_set_1_set): Delete.
817 (regmove_optimize): Do not call mark_flags_life_zones.
819 2009-02-24 Julian Brown <julian@codesourcery.com>
822 * config/arm/arm.c (require_pic_register): Only set
823 cfun->machine->pic_reg once per function.
825 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
827 * doc/invoke.texi (Link Options): Document an easier way to pass
828 options that take arguments to the GNU linker using -Xlinker and -Wl.
830 2009-02-24 Steve Ellcey <sje@cup.hp.com>
833 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
835 2009-02-24 Richard Guenther <rguenther@suse.de>
838 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
840 2009-02-24 Richard Guenther <rguenther@suse.de>
841 Zdenek Dvorak <ook@ucw.cz>
843 PR tree-optimization/39233
844 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
845 from converting them to a generic type.
847 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
849 PR tree-optimization/39260
850 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
851 contains a condition with a real type.
852 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
854 2009-02-23 Jason Merrill <jason@redhat.com>
857 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
858 narrowing_initializer_constant_valid_p.
859 (narrowing_initializer_constant_valid_p): Don't return
860 null_pointer_node for adding a pointer to itself.
862 2009-02-23 Jan Hubicka <jh@suse.cz>
865 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
868 2009-02-23 Jan Hubicka <jh@suse.cz>
870 PR tree-optimization/37709
871 * tree.c (block_ultimate_origin): Move here from dwarf2out.
872 * tree.h (block_ultimate_origin): Declare.
873 * dwarf2out.c (block_ultimate_origin): Move to tree.c
874 * tree-ssa-live.c (remove_unused_scope_block_p):
875 Eliminate blocks containig no instructions nor live variables nor
877 (dump_scope_block): New function.
878 (remove_unused_locals): Enable removal of dead blocks by default;
879 enable dumping at TDF_DETAILS.
881 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
883 * config/i386/i386.c (classify_argument): Don't allow COImode
885 (function_arg_advance_32): Don't allow OImode.
886 (function_arg_32): Likewise.
887 (function_value_32): Likewise.
888 (return_in_memory_32): Likewise.
889 (function_arg_64): Remove OImode comment.
891 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
894 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
895 ix86_expand_vector_set for V4DImode in 64bit mode only.
896 (ix86_expand_vector_init_one_var): Likewise.
898 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
900 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
902 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
905 * loop-iv.c: Revert last change.
906 * emit-rtl.c: Likewise.
908 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
911 * config/i386/i386.c (type_natural_mode): Remove an extra
912 space in the warning message.
913 (function_value_32): Handle 32-byte vector modes.
914 (return_in_memory_32): Likewise.
916 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
918 * loop-iv.c (truncate_value): New function.
919 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
921 (lowpart_subreg): Move to...
922 * emit-rtl.c: ...here.
924 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
926 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
927 accidental and undocumented change at revision 140860.
929 2009-02-21 Joseph Myers <joseph@codesourcery.com>
931 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
932 take gimple_seq * arguments.
933 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
934 types_compatible_p langhook.
936 2009-02-20 Mark Mitchell <mark@codesourcery.com>
937 Joseph Myers <joseph@codesourcery.com>
939 * config/arm/arm.c (arm_builtin_va_list): New function.
940 (arm_expand_builtin_va_start): Likewise.
941 (arm_gimplify_va_arg_expr): Likewise.
942 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
943 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
944 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
945 (va_list_type): New variable.
946 (arm_mangle_type): Mangle va_list_type appropriately.
948 2009-02-20 Jakub Jelinek <jakub@redhat.com>
951 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
952 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
953 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
954 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
955 parameter to 1000 for -O1 by default.
956 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
958 * loop-invariant.c: Include params.h.
959 (move_loop_invariants): Don't call move_single_loop_invariants on
962 2009-02-20 Jaka Mocnik <jaka@xlab.si>
964 * calls.c (emit_library_call_value_1): Use slot_offset instead of
965 offset when calculating bounds for indexing stack_usage_map. Fixes
966 a buffer overflow with certain target setups.
968 2009-02-20 Jakub Jelinek <jakub@redhat.com>
971 * calls.c (expand_call): Clear try_tail_call if caller and callee
972 disagree in promotion of function return value.
974 2009-02-19 Jakub Jelinek <jakub@redhat.com>
977 * c-common.c (c_determine_visibility): If visibility changed and
978 DECL_RTL has been already set, call make_decl_rtl to update symbol
981 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
984 * varasm.c (assemble_variable): Don't check DECL_NAME when
985 globalizing a variable.
987 2009-02-19 Joseph Myers <joseph@codesourcery.com>
990 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
991 expression before any __builtin_trap call.
992 * c-typeck.c (build_function_call): Convert and check function
993 arguments before generating a call to a trap. Evaluate the
994 function arguments before the trap.
996 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
999 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1000 (UNSPEC_FXAM_MEM): New unspec.
1001 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1002 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1003 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1005 2009-02-19 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/39207
1008 PR tree-optimization/39074
1009 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1010 storedanything_tree): New.
1011 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1012 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1013 (build_succ_graph): Add edges from STOREDANYTHING to all
1015 (init_base_vars): Initialize STOREDANYTHING.
1016 (compute_points_to_sets): Free substitution info after
1017 building the succ graph.
1018 (ipa_pta_execute): Likewise.
1020 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1022 (do_ds_constraint): Do not add to special var or non-pointer
1024 (type_could_have_pointers): Split out from ...
1025 (could_have_pointers): ... here. For arrays use the element type.
1026 (create_variable_info_for): Initialize may_have_pointers.
1027 (new_var_info): Likewise.
1028 (handle_lhs_call): Make the HEAP variable unknown-sized.
1029 (intra_create_variable_infos): Use a type with pointers for
1030 PARM_NOALIAS, make it unknown-sized.
1032 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1035 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1037 2009-02-18 Jason Merrill <jason@redhat.com>
1040 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1041 value if DECL_EXTERNAL.
1042 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1043 * target.h (gcc_target::binds_local_p): Clarify "module".
1044 * tree.h (TREE_PUBLIC): Clarify "module".
1046 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1049 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1050 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1052 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1055 * c.opt (Wabi): Support C and ObjC.
1058 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1060 * config/i386/i386.c (classify_argument): Warn once about the ABI
1061 change when passing union with long double.
1063 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1065 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1068 * c-parser.c (c_parser_compound_statement): Always enter and leave
1071 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1074 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1076 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1078 PR tree-optimization/36922
1079 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1080 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1083 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1085 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1088 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1090 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1092 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1094 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1097 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1098 Richard Sandiford <rdsandiford@googlemail.com>
1100 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1101 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1102 (loongson_biadd): ...this.
1104 2009-02-17 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/39202
1107 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1108 a var make sure to follow existing collapses.
1110 2009-02-17 Richard Guenther <rguenther@suse.de>
1113 * langhooks.c (lhd_print_error_function): Check for NULL block.
1115 2009-02-17 Richard Guenther <rguenther@suse.de>
1117 PR tree-optimization/39204
1118 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1121 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1123 * config/soft-fp/double.h: Update from glibc CVS.
1125 2009-02-17 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/39207
1128 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1129 strict-aliasing warnings for pointers pointing to NULL.
1131 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1134 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1135 skipping until next close brace.
1137 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1140 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1141 to function argument boundary.
1143 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1145 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1146 in the lea_add. Reload eventually constraints it properly.
1147 * config/picochip/constraints.md : Remove the target constraint
1148 "b", since it is not needed anymore.
1150 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1152 * gthr-dce.h: Uglify function parameter and local variable names.
1153 * gthr-gnat.h: Likewise.
1154 * gthr-mipssde.h: Likewise.
1155 * gthr-nks.h: Likewise.
1156 * gthr-posix95.h: Likewise.
1157 * gthr-posix.h: Likewise.
1158 * gthr-rtems.h: Likewise.
1159 * gthr-single.h: Likewise.
1160 * gthr-solaris.h: Likewise.
1161 * gthr-tpf.h: Likewise.
1162 * gthr-vxworks.h: Likewise.
1163 * gthr-win32.h: Likewise.
1165 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1168 * config/i386/i386.md: Restrict the new peephole2 to move
1169 between MMX/SSE registers.
1171 2009-02-15 Richard Guenther <rguenther@suse.de>
1174 2009-02-13 Richard Guenther <rguenther@suse.de>
1176 * configure.ac: Enable LFS.
1177 * configure: Re-generate.
1178 * config.in: Likewise.
1180 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1182 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1183 spu_srqwbyte, spu_srqwbytebc): Define.
1184 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1185 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1186 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1187 "shrqby_<mode>"): New insn-and-split patterns.
1188 * config/spu/spu.c (expand_builtin_args): Determine and return
1189 number of operands using spu_builtin_description data.
1190 (spu_expand_builtin_1): Use it.
1192 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1195 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1198 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1201 * config/i386/i386.c (override_options): Correct warning
1202 messages for -malign-loops, -malign-jumps and -malign-functions.
1204 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1207 * config/i386/i386.md: Restrict the new peephole2 to move
1208 between the general purpose registers.
1210 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1213 * config/i386/i386.c (type_natural_mode): Add a new argument.
1214 Return the original mode and warn ABI change if vector size is 32byte.
1215 (function_arg_advance): Updated.
1216 (function_arg): Likewise.
1217 (ix86_function_value): Likewise.
1218 (ix86_return_in_memory): Likewise.
1219 (ix86_sol10_return_in_memory): Likewise.
1220 (ix86_gimplify_va_arg): Likewise.
1221 (function_arg_32): Don't warn ABX ABI change here.
1222 (function_arg_64): Likewise.
1224 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1226 * loop-iv.c (implies_p): In the final case, test that operands 0
1227 of the two comparisons match.
1229 * config/bfin/bfin.c (find_prev_insn_start): New function.
1230 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1231 (find_next_insn_start): Move.
1233 2009-02-13 Richard Guenther <rguenther@suse.de>
1235 * configure.ac: Enable LFS.
1236 * configure: Re-generate.
1237 * config.in: Likewise.
1239 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1242 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1243 sizes on syntax error after some arguments have been parsed.
1245 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1247 * doc/invoke.texi (-fira): Remove.
1249 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1251 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1252 * recog.c: Likewise.
1255 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1257 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1258 (umul_ppmm): Likewise.
1259 (count_leading_zeros): Likewise.
1260 (count_trailing_zeros): Likewise.
1261 (UMUL_TIME): Likewise.
1263 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1265 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1266 soft-fp/t-softfp to tmake_file.
1268 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1269 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1270 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1271 IA64_BUILTIN_INFQ]: New.
1272 (ia64_init_builtins): Initialize __builtin_infq,
1273 __builtin_fabsq and __builtin_copysignq if not HPUX.
1274 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1275 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1277 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1279 (__fixtfti): Likewise.
1280 (__fixunstfti): Likewise.
1281 (__floattitf): Likewise.
1283 * config/ia64/libgcc-glibc.ver: New.
1284 * config/ia64/t-fprules-softfp: Likewise.
1285 * config/ia64/sfp-machine.h: Likewise.
1287 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1288 (LIBGCC2_TF_CEXT): Likewise.
1289 (TF_SIZE): Likewise.
1290 (TARGET_INIT_LIBFUNCS): Likewise.
1292 * config/ia64/t-glibc (SHLINB_MAPFILES):
1293 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1295 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1297 * config/i386/i386.c (construct_container): Rewrite processing
1298 BLKmode with X86_64_SSE_CLASS.
1300 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1303 * config/i386/i386.md: Replace simplify_replace_rtx with
1304 replace_rtx in the new peephole2.
1306 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1308 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1309 loop unrolling do not happen at -O2.
1311 2009-02-12 Michael Matz <matz@suse.de>
1313 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1315 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1317 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1320 2009-02-12 Ben Elliston <bje@au.ibm.com>
1322 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1323 patterns when updating the back chain. Missed in the 2009-02-10
1326 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1328 * doc/extend.texi (Decimal Floating Types): Update identifier of
1329 draft TR and list of missing support.
1331 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1334 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1335 bit to variable length decl's flags, add it also to its
1336 pointer replacement variable.
1338 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1339 Jakub Jelinek <jakub@redhat.com>
1342 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1343 (memory_blockage): New expander.
1344 (*memory_blockage): New insn pattern.
1345 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1346 instead of general blockage at the end of function prologue when
1347 frame pointer is used to access red zone area. Do not emit blockage
1348 when profiling, it is emitted in generic code.
1349 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1350 function epilogue when frame pointer is used to access red zone area.
1352 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1355 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1356 by arithmetic with memory operands.
1357 * config/i386/predicates.md (commutative_operator): New.
1359 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1361 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1364 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1366 * alias.h (record_alias_subset): Declare.
1367 * alias.c (record_alias_subset): Make global.
1369 2009-02-10 Nick Clifton <nickc@redhat.com>
1371 * tree-parloops.c: Change license to GPLv3.
1372 * ipa-struct-reorg.c: Change license to GPLv3.
1373 * ipa-struct-reorg.h: Change license to GPLv3.
1375 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1378 * c-decl.c (start_struct): Return NULL on error.
1380 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1383 * cfgloopmanip.c (remove_path): Call remove_bbs after
1384 cancel_loop_tree, not before it.
1387 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1388 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1389 VAR_DECLs were seen.
1390 * tree-ssa-live.c (remove_unused_locals): Recompute
1391 cfun->has_local_explicit_reg_vars.
1392 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1393 copies or clearings if cfun->has_local_explicit_reg_vars.
1395 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1399 of function prologue when frame pointer is used to access
1402 2009-02-10 Richard Guenther <rguenther@suse.de>
1405 * gimplify.c (gimple_regimplify_operands): Always look if
1406 we need to create a temporary.
1408 2009-02-10 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/39132
1411 * tree-loop-distribution.c (todo): New global var.
1412 (generate_memset_zero): Trigger TODO_rebuild_alias.
1413 (tree_loop_distribution): Return todo.
1415 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1418 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1419 (x86_64_reg_class_name): Removed.
1420 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1421 first one isn't X86_64_SSE_CLASS or any other ones aren't
1422 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1423 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1424 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1425 and 3 X86_64_SSEUP_CLASS.
1426 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1427 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1429 2009-02-10 Ben Elliston <bje@au.ibm.com>
1431 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1432 form instruction to update the stack back chain word, even if the
1433 user has disabled the generation of update instructions.
1434 (movdi_<mode>_update_stack): New.
1435 (movsi_update_stack): Likewise.
1436 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1437 always use an update form instruction to update the stack back
1440 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1443 * graphite.c (if_region_set_false_region): After moving a region in
1444 the false branch of a condition, remove the empty dummy basic block.
1445 (gloog): Remove wrong fix for PR38953.
1447 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1449 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1450 generation due to implicit sign extension.
1452 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1455 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1456 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1458 2009-02-09 Richard Guenther <rguenther@suse.de>
1461 * convert.c (convert_to_real): Disable (float)fn((double)x)
1462 to fnf(x) conversion if errno differences may occur and
1463 -fmath-errno is set.
1465 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1467 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1468 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1469 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1471 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1474 * c-common.c (handle_alias_attribute): Disallow attribute for
1475 anything not a FUNCTION_DECL or VAR_DECL.
1477 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1480 * real.c (do_compare): Special-case compare of zero against
1481 decimal float value.
1483 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1486 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1487 as indicating flexible array members unless the field itself is
1488 being declarared as the incomplete array.
1490 2009-02-06 Jan Hubicka <jh@suse.cz>
1492 PR tree-optimization/38844
1493 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1496 2009-02-06 Richard Guenther <rguenther@suse.de>
1499 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1500 fork because we may expand it as __gcov_fork.
1502 2009-02-06 Nick Clifton <nickc@redhat.com>
1504 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1506 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1508 PR tree-optimization/35659
1509 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1510 vn_phi_eq): Shortcut if hashcode does not match.
1511 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1513 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1514 and avoid iterative_hash_expr.
1515 (FOR_EACH_VALUE_ID_IN_SET): New.
1516 (value_id_compare): Remove.
1517 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1518 sort expressions by value id.
1520 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1523 * config/sh/predicates.md (general_movsrc_operand): Don't check
1524 the subreg of system registers here.
1526 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1529 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1532 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1534 PR rtl-optimization/39110
1535 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1536 addresses, not aligned ones.
1538 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1539 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/39100
1542 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1543 comment says and add edges.
1545 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1548 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1549 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1551 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1553 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1554 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1555 register_bb_in_sese, new_sese, free_sese): Moved.
1556 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1557 outermost_loop_in_scop, build_scop_iteration_domain,
1558 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1559 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1560 Use loop_in_sese_p instead of loop_in_scop_p.
1561 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1562 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1563 (scopdet_basic_block_info): Fix bug in scop detection.
1564 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1565 eq_loop_to_cloog_loop): Remove.
1566 (nb_loops_around_loop_in_scop, nb_loop
1567 ref_nb_loops): Moved here...
1568 * graphite.h (ref_nb_loops): ... from here.
1569 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1570 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1571 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1572 * testsuite/gcc.dg/graphite/scop-19.c: New
1574 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1575 Hans-Peter Nilsson <hp@axis.com>
1577 PR rtl-optimization/37889
1578 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1579 Move offset handling from PLUS to before the switch. Use new
1580 arguments when considering SYMBOL_REFs too.
1581 (rtx_addr_can_trap_p): Pass dummy offset and size.
1582 (enum may_trap_p_flags): Remove.
1583 (may_trap_p_1): Pass size from MEM_SIZE.
1585 PR rtl-optimization/38921
1586 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1587 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1588 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1589 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1591 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1593 AVX Programming Reference (January, 2009)
1594 * config/i386/sse.md (*vpclmulqdq): New.
1596 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1598 PR tree-optimization/38977
1599 PR gcov-profile/38292
1600 * calls.c (special_function_p): Disregard __builtin_ prefix.
1602 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1604 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1605 non-indexable addresses even before reload.
1607 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1610 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1611 as having variable size. Do not give an error for unnamed
1612 parameters with [*] declarators. Give a warning for type names
1613 with [*] declarators and mark them as variable size.
1614 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1615 for sizeof applied to [*] type names.
1617 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1620 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1622 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1624 * gcc.c (process_command): Update copyright notice dates.
1625 * gcov.c (print_version): Likewise.
1626 * gcov-dump.c (print_version): Likewise.
1627 * mips-tfile.c (main): Likewise.
1628 * mips-tdump.c (main): Likewise.
1630 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1633 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1634 for composite type involving a zero-length array type.
1636 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1639 * function.c (match_asm_constraints_1): Skip over
1640 initial optional % in the constraint.
1643 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1644 supported, don't accept FIXED_CSTs.
1645 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1646 and _Sat is used without _Fract/_Accum. Set specs->type to
1647 integer_type_node for cts_fract/cts_accum if fixed point is not
1650 2009-02-02 Catherine Moore <clm@codesourcery.com>
1652 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1654 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1656 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1657 (ABI_HAS_64BIT_SYMBOLS): Use it.
1658 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1660 2009-02-02 Paul Brook <paul@codesourcery.com>
1662 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1664 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1667 * recog.h (asm_operand_ok): Add constraints argument.
1668 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1669 recurse on matching constraint.
1670 (check_asm_operands): Pass constraints as 3rd argument to
1671 asm_operand_ok. Don't look up matching constraint here.
1672 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1675 2009-02-02 Ben Elliston <bje@au.ibm.com>
1677 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1678 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1680 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1682 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1683 information. Remove some obsolete information. Reorganize.
1685 * config/pa/fptr.c: Revert license to GPL 2.
1686 * config/pa/milli64.S: Likewise.
1688 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1691 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1692 LIBRARY name in, instead of hard-coding it.
1693 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1694 extra target make frag to tmake_files according to EH model.
1695 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1696 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1697 frags that define makefile variable EH_MODEL appropriately.
1698 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1699 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1700 to "-sjlj" according to type of EH configured.
1701 (LIBGCC_SONAME): Concatenate it to shared library base name.
1702 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1703 to "_sjlj" according to type of EH configured.
1704 (LIBGCC_SONAME): Concatenate it to shared library base name.
1705 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1706 (SHLIB_LINK): Add missing semicolon to if-else construct.
1707 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1708 string value of "pe_dll" command-line option.
1709 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1710 (SHLIB_SONAME): Use it when overriding t-cygming default.
1711 (SHLIB_IMPLIB): Override t-cygming default.
1712 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1713 string value of "pe_dll" command-line option.
1715 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1718 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1719 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1721 2009-01-31 Richard Guenther <rguenther@suse.de>
1723 PR tree-optimization/38937
1724 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1725 computing the transitive closure.
1727 2009-01-30 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/39041
1730 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1731 Propagate variable indices only if the types match for this stmt.
1733 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1736 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1737 inline but never defined.
1739 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1741 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1742 (*insv_h_di_reg_extimm): New insn.
1743 (*insv_l<mode>_reg_extimm): New insn.
1745 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1747 * config/picochip/picochip.c (flag_conserve_stack): set
1748 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1749 fconserve-stack. Reduce call-overhead used by inliner.
1751 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1754 * common.opt (flag_conserve_stack): Initialised to zero.
1756 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1759 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1760 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1763 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1765 * ira-color.c (allocno_reload_assign): Update comments.
1766 * regmove.c (regmove_optimize): Likewise.
1770 2009-01-29 Robert Millan <rmh@aybabtu.com>
1772 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1773 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1774 `MD_UNWIND_SUPPORT'.
1775 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1777 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1779 PR tree-optimization/39007
1780 * tree-loop-distribution.c (generate_builtin): Use
1781 recompute_dominator to compute the immediate dominator of the
1782 basic block just after the loop.
1784 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1786 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1787 (ASM_OUTPUT_DWARF_PCREL): Define.
1789 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1791 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1792 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1793 global. Modify entries about regmove and IRA.
1795 * ra-conflict.c: Remove the file.
1797 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1799 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1800 (pass_regclass_init): Rename to pass_reginfo_init.
1802 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1804 * toplev.h (flag_ira): Remove.
1806 * caller-save.c (setup_save_areas): Remove flag_ira.
1808 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1810 * global.c: Remove the file.
1812 * opts.c: (decode_options): Remove flag_ira.
1814 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1816 * regmove.c: Modify file description.
1817 (find_use_as_address, try_auto_increment): Define them only if
1818 AUTO_INC_DEC is defined.
1819 (replacement_quality, replace_in_call_usage, fixup_match_1,
1820 stable_and_no_regs_but_for_p): Remove.
1821 (reg_set_in_bb): Make it static.
1822 (regmove_optimize): Remove flag_ira and code which worked for
1825 * local-alloc.c: Remove the file.
1827 * common.opt (fira): Remove.
1829 * ira.c: Include except.h.
1830 (eliminable_regset): Move from global.c.
1831 (mark_elimination): Ditto. Remove flag_ira.
1832 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1833 equiv_mem_modified, validate_equiv_mem_from_store,
1834 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1835 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1836 no_equiv, recorded_label_ref): Move from local-alloc.c.
1837 (update_equiv_regs): Ditto. Make it static.
1838 (print_insn_chain, print_insn_chains): Move it from global.c.
1839 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1840 (build_insn_chain): Ditto. Make it static.
1841 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1842 Rename to init_live_subregs.
1843 (gate_ira): Remove flag_ira.
1845 * regclass.c: Rename reginfo.c. Change file description.
1846 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1847 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1848 (init_reg_sets_1): Remove code for evaluation of
1849 reg_class_superclasses and losing_caller_save_reg_set.
1850 (init_regs): Remove init_reg_autoinc.
1851 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1852 ok_for_base_p_nonstrict): Remove.
1853 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1854 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1855 corresponding entries.
1856 (dump_regclass, record_operand_costs, scan_one_insn,
1857 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1858 record_address_regs, auto_inc_dec_reg_p): Remove.
1859 (gt-regclass.h): Rename to gt-reginfo.h.
1861 * rtl.h (dump_global_regs, retry_global_alloc,
1862 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1864 * Makefile.in (RA_H): Remove.
1865 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1866 Rename regclass.o to reginfo.o.
1867 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1869 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1870 (GTFILES): Rename regclass.c to reginfo.c.
1872 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1873 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1875 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1876 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1878 (finish_spills): Ditto. Remove code for !flag_ira.
1880 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1883 * doc/invoke.texi (rtl debug options): Complete rewrite.
1884 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1886 * mode-switching.c (pass_mode_switching): Rename pass from
1887 "mode-sw" to "mode_sw".
1888 * except.c (pass_convert_to_eh_ranges): Rename pass from
1889 "eh-ranges" to "eh_ranges".
1890 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1894 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1895 Alexander Monakov <amonakov@ispras.ru>
1898 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1900 (move_exprs_to_boundary): Change return type and pass through
1901 should_move from move_op. Relax assert. Update usage ...
1902 (schedule_expr_on_boundary): ... here. Use should_move instead of
1904 (move_op_orig_expr_found): Indicate that insn was disconnected from
1906 (code_motion_process_successors): Do not call after_merge_succs
1907 callback if original expression was not found when traversing any of
1909 (code_motion_path_driver): Change return type. Update prototype.
1910 (move_op): Update comment. Add a new parameter (should_move). Update
1911 prototype. Set *should_move based on indication provided by
1912 move_op_orig_expr_found.
1914 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1916 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1917 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1918 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1919 * config/rs6000/rs6000.c (rs6000_override_options): Default
1920 avoid-indexed-addresses on for Power6, off for everything else.
1921 (avoiding_indexed_address_p): New function.
1922 (rs6000_legitimize_address): Use it.
1923 (rs6000_legitimate_address): Likewise.
1924 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1926 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1928 PR tree-optimization/38997
1929 * tree-loop-distribution.c (generate_memset_zero): Use
1930 POINTER_PLUS_EXPR for a pointer addition.
1932 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1934 * config/s390/s390.md (bswap<mode>2): New pattern added.
1936 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1938 * config/s390/s390.md (*tls_load_31): Added type attribute.
1940 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1942 * config/s390/s390.md: Fix a few comments.
1944 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1946 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1947 (*tm<mode>_full): Fixed z10prop attribute.
1948 (*tst<mode>_extimm): Fixed z10prop attribute.
1949 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1950 (*tstqiCCT_cconly): Fixed z10prop attribute.
1951 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1952 (*movsi_larl): Fixed z10prop attribute.
1953 (*movsi_zarch): Fixed z10prop attribute.
1954 (*movsi_eas): Fixed z10prop attribute.
1955 (*movhi): Fixed z10prop attribute.
1956 (*movqi): Fixed z10prop attribute.
1957 (*movstrictqi): Fixed z10prop attribute.
1958 (*mov<mode>): Fixed z10prop attribute.
1959 (*movcc): Fixed z10prop attribute.
1960 (*sethighpartdi_64): Fixed z10prop attribute.
1961 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1962 (*negdi2_sign_cc): Fixed z10prop attribute.
1963 (*negdi2_sign): Fixed z10prop attribute.
1964 (*absdi2_sign_cc): Fixed z10prop attribute.
1965 (*absdi2_sign): Fixed z10prop attribute.
1966 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1967 (*negabsdi2_sign): Fixed z10prop attribute.
1968 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1969 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1970 (doloop_si64): Fixed z10prop attribute.
1971 (doloop_si31): Fixed z10prop attribute.
1972 (doloop_long): Fixed z10prop attribute.
1973 (indirect_jump): Fixed z10prop attribute.
1974 (nop): Fixed z10prop attribute.
1975 (main_base_64): Fixed z10prop attribute.
1976 (reload_base_64): Fixed z10prop attribute.
1978 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1980 PR rtl-optimization/38740
1981 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1983 * config/mips/mips.c (mips_reorg): Likewise.
1985 2009-01-28 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/38926
1988 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1989 with the correct value id to a value.
1990 (do_regular_insertion): Use the value number of edoubleprime
1991 for the value number of the expr.
1994 2008-08-21 Richard Guenther <rguenther@suse.de>
1996 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1997 a PHI ask VN if it is already available.
1998 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1999 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2001 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2004 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2005 set to varying whenever max has TREE_OVERFLOW set, similarly
2006 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2008 2009-01-28 Richard Guenther <rguenther@suse.de>
2011 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2012 uninitialized aggregate uses in call arguments.
2014 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2016 PR tree-optimization/38984
2017 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2018 the nothing_id variable if -fno-delete-null-pointer-checks.
2020 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2023 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2024 (set_got_offset_rex64): Ditto.
2026 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2029 * doc/extend.texi: Improve local variable with asm reg.
2031 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2033 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2034 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2035 was not supplied then set warn_packed_bitfield_compat to the
2037 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2040 2009-01-27 Richard Guenther <rguenther@suse.de>
2042 PR tree-optimization/38503
2043 * cfgexpand.c (expand_gimple_basic_block): Ignore
2044 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2045 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2046 variables that cannot have TBAA applied.
2047 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2050 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2053 * calls.c (initialize_argument_information): Do not wrap complex
2054 arguments in SAVE_EXPR.
2056 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2058 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2059 (INSTALL_LIBGCC): Revert typo commit.
2061 2009-01-26 Richard Guenther <rguenther@suse.de>
2063 PR tree-optimization/38745
2064 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2065 from special handling.
2067 2009-01-26 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/38745
2070 * tree-ssa.c (execute_update_addresses_taken): Do not include
2071 variables that cannot possibly be a register in not_reg_needs.
2072 Do not clear TREE_ADDRESSABLE on vars that may not become
2074 * tree-ssa.c (update_alias_info_1): Include those in the set
2075 of addressable vars.
2077 2009-01-26 Richard Guenther <rguenther@suse.de>
2080 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2081 * tree-ssa-dse.c: Include langhooks.h
2082 (execute_simple_dse): Remove stores with zero size.
2084 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2087 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2090 2009-01-24 Julian Brown <julian@codesourcery.com>
2092 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2093 config/arm/linux-atomic.c.
2094 * config/arm/linux-atomic.c: New.
2096 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2098 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2099 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2100 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2102 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2105 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2108 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2110 PR tree-optimization/38953
2111 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2112 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2113 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2114 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2117 2009-01-24 Paul Brook <paul@codesourcery.com>
2119 * config/arm/neon.md (neon_type): Move to arm.md.
2120 (neon_mov<VSTRUCT>): Add neon_type attribute.
2121 * config/arm/arm.md (neon_type): Move to here.
2122 (conds): Add "unconditioal" and use as default for NEON insns.
2124 2009-01-24 Ben Elliston <bje@au.ibm.com>
2126 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2127 void *' warning from -Wc++-compat.
2128 * Makefile.in (dominance.o-warn): Remove.
2130 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2132 PR tree-optimization/38932
2133 * fold-const.c (fold_unary_ignore_overflow): New.
2134 * tree.h (fold_unary_ignore_overflow): Declare.
2135 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2136 * tree-ssa-sccvn.c (visit_reference_op_load,
2137 simplify_unary_expression): Likewise.
2139 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2141 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2142 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2143 regardless of their type.
2144 * c-common.c (handle_packed_attribute): Don't ignore packed on
2146 * c.opt (Wpacked-bitfield-compat): New warning option.
2147 * stor-layout.c (place_field): Warn if offset of a field changed.
2148 * doc/extend.texi (packed): Mention the ABI change.
2149 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2150 (Warning Options): Add it to the list.
2152 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2154 * c-opts.c (c_common_post_options): Fix a typo in comments.
2156 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2159 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2160 variables to static.
2161 * doc/invoke.texi (-fmerge-all-constants): Update description.
2163 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2166 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2167 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2169 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2171 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2173 (LOCAL_ALIGNMENT): Similarly.
2175 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2176 Joseph Myers <joseph@codesourcery.com>
2178 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2179 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2180 * config/arm/arm-tune.md: Regenerate.
2181 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2184 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2186 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2187 version number to five.
2189 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2192 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2193 * c-common.c (set_underlying_type): Likewise.
2194 (is_typedef_decl ): Likewise
2196 (set_underlying_type): Likewise.
2197 (is_typedef_type): Likewise.
2199 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2202 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2205 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2208 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2209 (LIBGCC_SPEC): Don't define.
2210 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2212 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2214 PR rtl-optimization/38879
2215 * alias.c (base_alias_check): Unaligned access via AND address can
2216 alias all surrounding object types except those with sizes equal
2217 or wider than the size of unaligned access.
2219 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2222 * c-decl.c: (clone_underlying_type): Move this ...
2223 * c-common.c (set_underlying_type): ... here.
2224 Also, make sure the function properly sets TYPE_STUB_DECL() on
2225 the newly created typedef variant type.
2226 (is_typedef_decl ): New entry point.
2227 * tree.h: Added a new member member_types_needing_access_check to
2228 struct tree_decl_non_common.
2229 (set_underlying_type): New entry point.
2230 (is_typedef_type): Likewise.
2232 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2234 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2235 Check whether two instructions have memory references that
2236 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2237 are helper functions for traversing.
2238 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2239 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2240 not to draw dependency edge for instructions with non-conflicting
2243 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2246 * longlong.h: Update copyright years. Use soft-fp license notice.
2247 Sync __clz_tab declaration with glibc.
2249 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2252 * doc/extend.texi (syscall_linkage): New.
2253 (version_id): Modify.
2255 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2256 Richard Guenther <rguenther@suse.de>
2258 PR tree-optimization/38747
2259 PR tree-optimization/38748
2260 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2261 conversion if the base address is an indirect reference and the
2262 aliasing sets could cause issues.
2264 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2266 * common.opt (fgraphite, fgraphite-identity): Add comment for
2267 explaining why these options are not documented.
2269 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2271 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2272 gimple_call_lhs is NULL.
2274 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2277 * emit-rtl.c (adjust_address_1): Make sure memref is never
2280 2009-01-20 Ben Elliston <bje@au.ibm.com>
2282 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2283 const qualifier from arg parameter. Remove unnecessary cast to char *.
2284 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2285 const qualifier from arg 2.
2287 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2289 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2291 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2294 * rtl.h (reinit_regs): New prototype.
2295 * regclass.c: Include ira.h.
2297 * Makefile.in (regclass.o): Add ira.h.
2298 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2300 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2303 * c-common.c (handle_aligned_attribute): Use
2304 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2305 default alignment value.
2307 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2309 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2310 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2312 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2313 __BIGGEST_ALIGNMENT__.
2315 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2317 2009-01-18 Richard Guenther <rguenther@suse.de>
2319 PR tree-optimization/38819
2320 * tree-flow.h (operation_could_trap_helper_p): Declare.
2321 * tree-eh.c (operation_could_trap_helper_p): Export.
2322 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2323 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2324 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2325 are about to insert a possibly trapping instruction and fail
2328 2009-01-18 Andreas Schwab <schwab@suse.de>
2330 * doc/install.texi (Configuration): Remove obsolete paragraph
2331 about use of --with-gnu-ld with --with-gnu-as.
2333 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2335 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2336 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2337 Follow spelling conventions.
2339 2009-01-18 Ben Elliston <bje@au.ibm.com>
2341 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2342 C++ warning about implicit conversion from void * to struct
2344 (bitmap_obstack_free): Likewise for bitmap_element *.
2345 * Makefile.in (bitmap.o-warn): Remove.
2347 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2349 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2351 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2352 Tobias Grosser <tobi.grosser@amd.com>
2354 * graphite.c (graphite_trans_scop_block): Do not block single
2357 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2359 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2360 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2361 test with assertion.
2363 2009-01-16 Richard Guenther <rguenther@suse.de>
2365 PR tree-optimization/38835
2367 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2368 and INT + PTR -> (INT)(PTR p+ INT) folding.
2369 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2371 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2374 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2375 the subreg from a lowpart subreg if it is also casting the value.
2377 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2378 Tobias Grosser <tobi.grosser@amd.com>
2380 * graphite.c (compare_prefix_loops): New.
2381 (build_scop_canonical_schedules): Rewritten.
2382 (graphite_transform_loops): Move build_scop_canonical_schedules
2383 after build_scop_iteration_domain.
2385 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2386 Tobias Grosser <tobi.grosser@amd.com>
2388 * graphite.c (add_conditions_to_domain): Add the loops to
2389 the dimension of the iteration domain. Do copy the domain
2390 only when it exists.
2391 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2392 (add_conditions_to_constraints): New.
2393 (can_generate_code_stmt, can_generate_code): Removed.
2394 (gloog): Do not call can_generate_code.
2395 (graphite_transform_loops): Call add_conditions_to_constraints
2396 after building the iteration domain.
2398 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2400 PR tree-optimization/38789
2401 * tree-ssa-threadedge.c
2402 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2403 __builtin_constant_p.
2405 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2407 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2408 examined before deleting them.
2410 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2412 * function.c (aggregate_value_p): Correctly extract the function
2413 type from CALL_EXPR_FN lookup.
2415 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2417 * config/picochip/picochip.c (picochip_override_options): Revert
2418 CFI asm flag disable commited previously.
2420 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2421 Tobias Grosser <tobi.grosser@amd.com>
2422 Jan Sjodin <jan.sjodin@amd.com>
2424 * graphite.c (scan_tree_for_params): On substractions negate
2425 all the coefficients of the term.
2426 (clast_to_gcc_expression_red): New. Handle reduction expressions
2427 of more than two operands.
2428 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2429 (get_vdef_before_scop): Handle also the case of default definitions.
2431 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2433 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2434 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2435 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2437 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2438 Joey Ye <joey.ye@intel.com>
2441 * cfgexpand.c (expand_stack_alignment): Don't update stack
2442 boundary nor check incoming stack boundary here.
2443 (gimple_expand_cfg): Update stack boundary and check incoming
2444 stack boundary here.
2446 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2448 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2450 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2452 PR rtl-optimization/38245
2453 * calls.c (expand_call): Add stack arguments to
2454 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2455 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2456 in regs and partially in memory or BLKmode arguments.
2457 (emit_library_call_value_1): Add stack arguments to
2458 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2459 ACCUMULATE_OUTGOING_ARGS).
2460 * dce.c: Include tm_p.h.
2461 (find_call_stack_args): New function.
2462 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2464 (mark_insn): Call find_call_stack_args for CALL_Ps.
2465 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2466 forwards. Allocate and free arg_stores bitmap if needed, pass it
2467 down to deletable_insn_p, don't mark stores set in arg_stores
2468 bitmap, clear the bitmap at the beginning of each bb.
2469 * Makefile.in (dce.o): Depend on $(TM_P_H).
2471 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2474 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2475 to make sure the insn is a conditional test (bug 22599). Reformat a
2478 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2481 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2482 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2483 (gloog): Do not call cleanup_tree_cfg.
2484 (graphite_transform_loops): Call cleanup_tree_cfg after all
2485 scops have been code generated.
2487 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2488 * doc/gty.texi (Invoking the garbage collector): Added new node
2489 and section documenting ggc_collect.
2491 2009-01-14 Richard Guenther <rguenther@suse.de>
2493 PR tree-optimization/38826
2495 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2496 initialization notes only if we actually emitted a warning.
2497 (intra_create_variable_infos): Add constraints for a result decl
2498 that is passed by hidden reference.
2499 (build_pred_graph): Mark all related variables non-direct on
2502 2009-01-14 Nick Clifton <nickc@redhat.com>
2504 * ira-conflicts.c: Include addresses.h for the definition of
2506 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2507 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2509 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2512 * Makefile.in (ira-lives.o): Add except.h.
2514 * ira-lives.c: Include except.h.
2515 (process_bb_node_lives): Process can_throw_internal.
2517 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2519 PR rtl-optimization/38774
2520 * combine.c (simplify_set): When undoing cc_use change, don't do
2521 PUT_CODE on the newly created comparison, but instead put back the
2524 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2526 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2527 values. Remove duplicate arm8 entry.
2529 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2531 PR tree-optimization/38786
2532 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2533 the SSA_NAME case of expand_scalar_variables_expr.
2534 Set the type of an expression to the type of its assign statement.
2535 (expand_scalar_variables_expr): Also gather the scalar computation
2536 used to index the memory access. Do not pass loop_p.
2537 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2538 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2539 the gimple_stmt_iterator where it inserts new code.
2541 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2542 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2544 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2546 * graphite.h (debug_value): Removed.
2547 * graphite.c (debug_value): Removed.
2549 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2551 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2552 ldrd/strd with two 32-bit instructions.
2554 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2556 * config/arm/arm.c (struct processors): Pass for speed down into
2557 cost helper functions.
2558 (const_ok_for_op): Handle COMPARE and inequality nodes.
2559 (arm_rtx_costs_1): Rewrite.
2560 (arm_size_rtx_costs): Update prototype.
2561 (arm_rtx_costs): Pass speed down to helper functions.
2562 (arm_slowmul_rtx_costs): Rework cost calculations.
2563 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2564 (arm_9e_rtx_costs): Likewise.
2566 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2568 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2569 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2570 (alpha_legitimize_address): Do not split local symbols wider than
2571 UNITS_PER_WORD into HIGH/LO_SUM parts.
2573 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2576 * gcc.c (process_command): Replace call to execvp with calls
2577 to pex_one and exit.
2579 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2582 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2583 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2584 variant for devices with 3-byte PC.
2585 (__tablejump_elpm__) : New.
2587 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2590 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2591 offsetof member-designator, handle it as `[0].'.
2593 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2595 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2596 function when not using named sections on targets with named sections
2597 if branch distance is less than 262132.
2599 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2601 * combine.c (combine_instructions): Recompute
2602 optimize_this_for_speed_p for each BB in the main combine loop.
2604 2009-01-12 Tomas Bily <tbily@suse.cz>
2607 * tree-loop-distribution.c (prop_phis): New function.
2608 (generate_builtin): Call prop_phis.
2609 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2611 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2613 PR tree-optimization/38807
2614 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2615 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2617 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2619 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2620 subreg of op0 to the original op0.
2622 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2624 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2626 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2629 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2630 starting with digits.
2632 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2635 * config/arm/arm.c (arm_is_long_call_p): Don't call
2636 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2638 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2640 * regrename.c (regrename_optimize): Fix dumping.
2641 (find_oldest_value_reg): Preserve REG_POINTER.
2642 (copy_hardreg_forward_1): Likewise.
2644 2009-01-09 Diego Novillo <dnovillo@google.com>
2646 * gimple.h (struct gimple_statement_base) <uid>: Document
2647 the restrictions on its use.
2649 (gimple_set_uid): Tidy.
2651 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2653 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2654 zero guard even if align_bytes != 0 and count is smaller than
2657 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2659 PR rtl-optimization/38495
2660 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2661 (add_range_and_copies_from_move_list): Print all added ranges.
2662 Add ranges to memory optimized destination.
2664 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2668 * config/i386/i386.c (override_options): Reject
2669 -mstringop-strategy=rep_8byte with -m32.
2670 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2671 to 1. Do count comparison against epilogue_size_needed at compile
2672 time even when count_exp was constant forced into register. For
2673 size_needed don't jump to epilogue, instead just avoid aligning
2674 and invoke the body algorithm. If need_zero_guard, add zero guard
2675 even if count is non-zero, but smaller than size_needed + number of
2676 bytes that could be stored for alignment.
2677 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2678 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2679 but smaller than size_needed + number of bytes that could be stored
2680 for alignment. Compare size_needed with epilogue_size_needed instead
2681 of desired_align - align, don't adjust size_needed, pass
2682 epilogue_size_needed to the epilogue expanders.
2685 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2687 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2689 * pa.c (last_address): Change to unsigned.
2690 (update_total_code_bytes): Change argument to unsigned. Don't
2691 check if insn addresses are set.
2692 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2693 addresses are not set.
2694 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2696 2009-01-09 Nick Clifton <nickc@redhat.com>
2698 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2699 DECL_DECLARED_INLINE_P.
2701 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2704 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2705 GET_MODE (op0) in operand_subword_force calls.
2708 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2709 fold_convert arg0 operands to TREE_TYPE (op0) first.
2711 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2713 * params.def (ira-max-conflict-table-size): Decrease default value
2716 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2718 PR tree-optimization/37031
2719 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2721 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2722 allocate it using gc instead of heap, use VEC_quick_push instead of
2724 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2725 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2726 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2727 allocated vector from heap allocated.
2728 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2729 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2730 vector only after perfect_loop_nest_depth call.
2732 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2733 Jan Sjodin <jan.sjodin@amd.com>
2735 PR tree-optimization/38559
2736 * graphite.c (debug_value, copy_constraint,
2737 swap_constraint_variables, scale_constraint_variable, ): New.
2738 (get_lower_bound, get_upper_bound): Removed.
2739 (graphite_trans_bb_strip_mine): Clean up this code that works
2740 only for constant number of iterations. Fully copy upper and
2741 lower bound constraints, not only the constant part of them.
2742 * graphite.h (debug_value): Declared.
2744 2009-01-08 Ira Rosen <irar@il.ibm.com>
2746 PR tree-optimization/37194
2747 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2748 Don't add the cost of cost model guard in prologue to scalar
2749 outside cost in case of known number of iterations.
2751 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2752 Alan Modra <amodra@bigpond.net.au>
2754 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2755 non-word-aligned REG+CONST addressing.
2757 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2760 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2761 free_after_compilation when outputting a thunk.
2762 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2763 Do not call free_after_compilation here.
2765 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2767 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2768 (ix86_valid_target_attribute_inner_p): Ditto.
2770 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2772 PR tree-optimization/38492
2773 PR tree-optimization/38498
2774 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2775 * tree-chrec.h (scev_is_linear_expression): Declared.
2776 * graphite.c (graphite_cannot_represent_loop_niter): New.
2777 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2778 (graphite_loop_normal_form): Use gcc_assert.
2779 (scan_tree_for_params): Use CASE_CONVERT.
2780 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2781 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2782 Use gcc_assert. Discard scops that contain unhandled cases.
2783 (build_scop_conditions): Return a boolean status for unhandled cases.
2784 (strip_mine_profitable_p): Print the loop number, not its depth.
2785 (is_interchange_valid): Pass the depth of the loop nest, don't
2786 recompute it wrongly.
2787 (graphite_trans_bb_block): Same.
2788 (graphite_trans_bb_block): Print tentative of loop blocking.
2789 (graphite_trans_scop_block): Do not print that the loop has been
2791 (graphite_transform_loops): Do not handle scops that contain condition
2794 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2796 AVX Programming Reference (December, 2008)
2797 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2798 (_mm256_stream_pd): Likewise.
2799 (_mm256_stream_ps): Likewise.
2801 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2802 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2803 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2804 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2805 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2806 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2807 (ix86_expand_special_args_builtin): Likewise.
2809 * config/i386/sse.md (AVXMODEDI): New.
2810 (avx_movnt<mode>): Likewise.
2811 (avx_movnt<mode>): Likewise.
2812 (<sse>_movnt<mode>): Remove AVX support.
2813 (sse2_movntv2di): Likewise.
2815 2009-01-07 Richard Guenther <rguenther@suse.de>
2818 * fold-const.c (extract_muldiv): Remove obsolete comment.
2819 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2820 to PLUS_EXPR canonicalization for the canonicalization.
2822 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2824 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2825 hosted cross-compilers generating less efficient code.
2827 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2829 * function.h (rtl_data): Add a dbr_scheduled_p field.
2830 * reorg.c (dbr_schedule): Set it.
2831 (gate_handle_delay_slots): Check it.
2832 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2833 (mips_reorg): Check flag_delayed_branch instead of
2834 mips_base_delayed_branch.
2835 (mips_override_options): Don't set mips_base_delayed_branch
2836 or flag_delayed_branch.
2838 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2840 PR rtl-optimization/38426.
2841 * ira.c (ira): Set current_function_is_leaf earlier.
2843 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2845 PR rtl-optimization/38722
2846 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2847 too early, only set a flag and modify after last possible
2850 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2853 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2854 * real.c (decimal_single_format): Correct values of emin and emax.
2855 (decimal_double_format): Ditto.
2856 (decimal_quad_format): Ditto.
2857 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2858 computation of DECnn_MIN and DECnn_MAX for corrected values of
2859 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2860 __DECnn_MIN__, and adjust its computation for the corrected value
2863 2009-01-06 Jan Hubicka <jh@suse.cz>
2866 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2868 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2870 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2871 Add Robert Clark to the list of testers.
2873 2009-01-06 Jan Hubicka <jh@suse.cz>
2874 Kai Tietz <kai.tietz@onevision.com>
2876 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2877 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2879 2009-01-06 Jan Hubicka <jh@suse.cz>
2880 Kai Tietz <kai.tietz@onevision.com>
2882 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2884 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2885 (ix86_nsaved_regs): Count only general purpose regs.
2886 (ix86_nsaved_sseregs): New.
2887 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2888 to 16 for w64; compute padding and size of sse reg save area.
2889 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2890 general purpose regs.
2891 (ix86_emit_save_sse_regs_using_mov): New.
2892 (ix86_expand_prologue): Save SSE regs if needed.
2893 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2894 (ix86_emit_restore_sse_regs_using_mov): New.
2895 (ix86_expand_epilogue): Save SSE regs if needed.
2897 2009-01-06 Jan Hubicka <jh@suse.cz>
2898 Kai Tietz <kai.tietz@onevision.com>
2900 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2901 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2902 functions when accumulate outgoing args is off.
2904 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2907 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2908 before using pseudos_have_intersected_live_ranges_p.
2910 * ira-int.h (ira_assert): Always define.
2912 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2914 AVX Programming Reference (December, 2008)
2915 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2916 (_mm256_permute2_pd): Likewise.
2917 (_mm_permute2_ps): Likewise.
2918 (_mm256_permute2_ps): Likewise.
2919 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2920 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2922 * config/i386/i386.c (ix86_builtins): Remove
2923 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2924 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2925 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2926 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2927 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2928 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2929 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2930 __builtin_ia32_vpermil2ps256.
2931 (ix86_init_mmx_sse_builtins): Updated.
2932 (ix86_expand_args_builtin): Likewise.
2934 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2936 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2937 long absolute calls when generating PA 2.0 code.
2939 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2941 PR rtl-optimization/38583
2942 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2944 * params.def (ira-max-conflict-table-size): New.
2946 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2948 * ira.h (ira_conflicts_p): New external definition.
2950 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2951 table. Report this. Return result of building.
2952 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2953 building conflict table.
2955 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2956 (ira_color): Use ira_conflicts_p.
2958 * global.c: Include ira.h.
2959 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2962 * Makefile.in (global.o): Add ira.h.
2964 * ira-build.c (mark_all_loops_for_removal,
2965 propagate_some_info_from_allocno): New.
2966 (remove_unnecessary_allocnos): Call
2967 propagate_some_info_from_allocno.
2968 (remove_low_level_allocnos): New.
2969 (remove_unnecessary_regions): Add parameter. Call
2970 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2971 parameter to remove_unnecessary_regions.
2972 (ira_build): Remove all regions but root if the conflict table was
2973 not built. Update conflict hard regs for allocnos crossing calls.
2975 * ira.c (ira_conflicts_p): New global.
2976 (ira): Define and use ira_conflicts_p.
2978 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2979 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2980 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2982 2009-01-06 Ben Elliston <bje@au.ibm.com>
2984 * gengtype-lex.l (YY_NO_INPUT): Define.
2986 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2989 * c-common.c (handle_vector_size_attribute): Also reject
2992 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2994 PR tree-optimization/38492
2995 * graphite.c (rename_map_elt, debug_rename_elt,
2996 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2997 rename_map_elt_info, eq_rename_map_elts,
2998 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2999 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3000 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3001 (sese_build_livein_liveouts): New.
3002 (new_sese, free_sese): New.
3003 (new_scop): Call new_sese.
3004 (free_scop): Call free_sese.
3005 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3006 (register_old_new_names): Renamed register_old_and_new_names.
3007 (register_scop_liveout_renames, add_loop_exit_phis,
3008 insert_loop_close_phis, struct igp,
3009 default_liveout_before_guard, add_guard_exit_phis,
3010 insert_guard_phis, copy_renames): New.
3011 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3012 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3013 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3014 (scop_adjust_phis_for_liveouts): New.
3015 (gloog): Call scop_adjust_phis_for_liveouts.
3017 * graphite.h (struct sese): Documented. Added fields liveout,
3019 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3020 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3021 (struct scop): Added field liveout_renames.
3022 (SCOP_LIVEOUT_RENAMES): New.
3024 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3026 PR tree-optimization/38510
3027 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3028 (translate_clast): Call recompute_all_dominators before
3030 (gloog): Call recompute_all_dominators before graphite_verify.
3032 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3033 Jan Sjodin <jan.sjodin@amd.com>
3035 PR tree-optimization/38500
3036 * graphite.c (create_sese_edges): Call fix_loop_structure after
3039 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3041 * config.gcc: Add m32r*-*-rtems*.
3042 * config/m32r/rtems.h: New file.
3044 2009-01-05 Ben Elliston <bje@au.ibm.com>
3046 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3047 (.po.pox): Likewise.
3048 (po/gcc.pot): Likewise.
3050 2009-01-04 David S. Miller <davem@davemloft.net>
3052 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3053 (STARTING_FRAME_OFFSET): Always set to zero.
3055 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3057 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3058 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3059 fixed-point types, and vectors of the same.
3061 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3063 * config/mips/sync.md (*mb_barrier): Rename to...
3064 (*memory_barrier): ...this.
3066 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3068 * doc/extend.texi (Function Attributes): Move @cindex after @item
3069 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3070 and put in alphabetical order. Fix 'target' name and put in order.
3071 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3074 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3076 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3077 (memory_barrier): Expand as unspec instead of unspec_volatile.
3078 Remove mem:BLK from insn operands. Use Pmode scratch register.
3079 (*memory_barrier): Define as unspec instead of unspec_volatile.
3080 Use (match_dup 0) as input operand.
3082 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3083 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3084 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3085 scratch register. Remove operand 1.
3086 (*stbar): Define as unspec instead of unspec_volatile.
3087 Use (match_dup 0) as input operand, remove (const_int 8).
3088 (*membar): Define as unspec instead of unspec_volatile.
3089 Use (match_dup 0) as input operand, remove input operand 2.
3091 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3092 (memory_barrier): Expand as unspec instead of unspec_volatile.
3093 Remove mem:BLK from insn operands. Use Pmode scratch register.
3094 (*memory_barrier): Define as unspec instead of unspec_volatile.
3095 Use (match_dup 0) as input operand.
3097 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3098 Remove mem:BLK from insn operands. Use Pmode scratch register.
3099 Set volatile flag on operand 0.
3100 (*memory_barrier): New insn pattern.
3102 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3104 (*memory_barrier): Use (match_dup 0) as input operand.
3106 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3107 Remove mem:BLK from insn operands. Use Pmode scratch register.
3108 Set volatile flag on operand 0.
3109 (*mb_internal): New insn pattern.
3111 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3113 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3116 * function.c (struct temp_slot): Move to the section of the file
3117 that deals with temp slots. Remove field 'address'.
3118 (temp_slot_address_table): New hash table of address -> temp slot.
3119 (struct temp_slot_address_entry): New struct, items for the table.
3120 (temp_slot_address_compute_hash, temp_slot_address_hash,
3121 temp_slot_address_eq, insert_temp_slot_address): Support functions
3123 (find_temp_slot_from_address): Rewrite to use the new hash table.
3124 (remove_unused_temp_slot_addresses): Remove addresses of temp
3125 slots that have been made available.
3126 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3127 worker function for remove_unused_temp_slot_addresses.
3128 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3129 Add the temp slot address to the address -> temp slot map.
3130 (update_temp_slot_address): Update via insert_temp_slot_address.
3131 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3132 (pop_temp_slots): Likewise.
3133 (init_temp_slots): Allocate the address -> temp slot map, or empty
3134 the map if it is already allocated.
3135 (prepare_function_start): Initialize temp slot processing.
3137 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3140 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3141 Calculate the size of all stack vars assuming no packing of stack
3142 vars will happen, replacing a quadratic algorithm with a linear one.
3144 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3147 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3150 2009-01-03 Diego Novillo <dnovillo@google.com>
3152 * doc/contrib.texi: Update contributions.
3154 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3157 * builtins.c (fold_builtin_memory_op): Give up if either operand
3158 is volatile. Set srctype or desttype to non-qualified version
3162 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3165 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3167 PR rtl-optimization/35805
3168 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3169 problem if fast dce is able to remove any instructions.
3170 * dce.c (dce_process_block): Fix dump message.
3172 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3175 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3177 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3180 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3181 * tree-pretty-print.c (op_code_prio): New function.
3182 (op_prio): No longer static. Use op_code_prio.
3183 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3184 Use op_prio and op_code_prio to determine if () should be
3185 printed around operand(s) or not.
3187 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3188 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3189 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3190 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3191 pp_character instead of pp_string for single letter printing.
3193 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3195 * doc/extend.texi: Fix '#pragma GCC option' typo.
3197 2009-01-02 Richard Guenther <rguenther@suse.de>
3199 * doc/install.texi (--enable-checking): Mention different
3201 (--enable-stage1-checking): Document.
3203 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3206 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3207 case to be an error.
3209 2009-01-02 Ben Elliston <bje@au.ibm.com>
3211 * config/fp-bit.h (pack_d): Constify argument.
3212 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3213 (isnan): Constify argument.
3217 (_fpadd_parts): Constify return type.
3218 (_fpmul_parts): Likewise.
3219 (_fpdiv_parts): Likewise.
3221 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3224 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3225 warn about overwriting initializer with side-effects or
3226 -Woverride-init if !IMPLICIT.
3227 (output_init_element): Likewise. Pass IMPLICIT down to
3229 (process_init_element): Add IMPLICIT argument. Pass it down
3230 to output_init_element.
3231 (push_init_element, pop_init_level, set_designator): Adjust
3232 process_init_element callers.
3233 (set_nonincremental_init, set_nonincremental_init_from_string):
3234 Adjust add_pending_init callers.
3235 (output_pending_init_elements): Adjust output_init_element callers.
3236 * c-tree.h (process_init_element): Adjust prototype.
3237 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3238 process_init_element callers.