1 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3 * config/cris/libgcc.ver: New version-script.
4 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
6 * configure.ac <GAS features, nop mnemonic>: Add pattern
8 <GAS features, Thread-local storage>: Add item for CRIS and
10 * configure: Regenerate.
12 2009-03-24 Ira Rosen <irar@il.ibm.com>
14 PR tree-optimization/39529
15 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
16 mark_sym_for_renaming for the tag copied to the new vector
19 2009-03-24 Arthur Loiret <aloiret@debian.org>
21 * config.host (alpha*-*-linux*): Use driver-alpha.o and
23 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
25 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
26 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
27 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
28 -march and -mtune options.
30 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
32 * config/m68k/t-rtems: Add m5329 multilib.
34 2009-03-24 Dodji Seketeli <dodji@redhat.com>
35 Jakub Jelinek <jakub@redhat.com>
38 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
41 2009-03-23 Jakub Jelinek <jakub@redhat.com>
44 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
45 instead of c_parser_expression_conv, if original_code isn't one of the
46 4 allowed comparison codes, fail.
48 2009-03-23 Richard Guenther <rguenther@suse.de>
50 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
51 * tree.h (struct tree_type): Likewise.
52 * reload.h (struct insn_chain): Likewise.
53 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
54 * function.h (struct function): Likewise.
55 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
57 2009-03-23 Jakub Jelinek <jakub@redhat.com>
59 PR tree-optimization/39516
60 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
62 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
64 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
65 should be set true if BITS_PER_WORD of target is bigger than 32
67 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
69 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
70 Translate -B-options to -rpath-link. Correct existing
71 rpath-link and conditionalize on !nostdlib.
73 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
75 * doc/extend.texi (Function Attributes, Variable Attributes):
77 * doc/invoke.texi (Debugging Options, Optimize Options)
78 (i386 and x86-64 Options, MCore Options): Likewise.
80 2009-03-20 Jakub Jelinek <jakub@redhat.com>
83 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
84 it for block local namespace aliases.
85 (gen_decl_die): Pass context_die to gen_namespace_die.
87 2009-03-19 Jakub Jelinek <jakub@redhat.com>
90 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
91 minimum or maximum value.
93 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
95 * reginfo.c (globalize_reg): Recompute derived reg sets.
97 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
100 * libgcc2.c (mprotect): Do not use signed arguments for
101 VirtualProtect, use DWORD arguments. Also fix the 'may
102 be used uninitialized' warning for the np variable.
104 2009-03-19 Jakub Jelinek <jakub@redhat.com>
107 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
108 functions using regparm calling conventions when not optimizing.
109 (ix86_function_sseregparm): Similarly for sseregparm calling
112 2009-03-19 Li Feng <nemokingdom@gmail.com>
115 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
116 dependence if the first conflict is after niter iterations.
118 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
121 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
122 functions with dynamic stack-pointer adjustments.
124 2009-03-19 Ben Elliston <bje@au.ibm.com>
126 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
127 option; change to -msdata=data.
129 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
131 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
134 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
137 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
139 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
141 * doc/invoke.texi (Code Gen Options): Expand discussion of
144 2009-03-18 Jakub Jelinek <jakub@redhat.com>
146 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
147 * matrix-reorg.c (struct matrix_info): Likewise.
148 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
149 * rtl.h (struct mem_attrs): Likewise.
150 * df.h (struct df): Likewise.
151 * tree-data-ref.h (struct data_dependence_relation): Likewise.
152 * ira-int.h (struct ira_allocno): Likewise.
153 * df-scan.c (struct df_collection_rec): Likewise.
154 * ira.c (struct equivalence): Likewise.
155 * function.c (struct temp_slot): Likewise.
156 * cfgloop.h (struct loop): Likewise.
159 * function.c (use_register_for_decl): When not optimizing, disregard
160 register keyword for variables with types containing methods.
162 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
165 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
166 (is_simple_operand): Call contains_component_ref_p before calling data
167 reference analysis that would fail on COMPONENT_REFs.
169 * tree-vrp.c (search_for_addr_array): Fix formatting.
171 2009-03-18 Richard Guenther <rguenther@suse.de>
173 * tree-vect-transform.c (vect_loop_versioning): Fold the
174 generated comparisons.
175 * tree-vectorizer.c (set_prologue_iterations): Likewise.
176 (slpeel_tree_peel_loop_to_edge): Likewise.
178 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
181 * opts.c (print_specific_help): In addition to `undocumented',
182 accept `separate' and `joined' flags if passed alone. Describe
183 output by the first matched one of those.
184 (common_handle_option): Skip over empty strings.
185 * gcc.c (display_help): Fix help string for `--help='.
186 * doc/invoke.texi (Option Summary, Overall Options): With
187 `--help=', classes and qualifiers can both be repeated, but
188 only the latter can be negated. One should not pass only
189 negated qualifiers. Fix markup and examples.
192 2008-10-14 Jakub Jelinek <jakub@redhat.com>
194 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
197 2009-03-17 Jing Yu <jingyu@google.com>
200 * function.h (struct rtl_data): Move is_thunk from here...
201 (struct function): ...to here.
202 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
203 * varasm.c (assemble_start_function): Change is_thunk from crtl to
205 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
207 (alpha_does_function_need_gp, alpha_start_function): Likewise.
208 (alpha_output_function_end_prologue): Likewise.
209 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
210 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
211 (rs6000_output_function_epilogue): Likewise.
212 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
214 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
217 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
218 from different units in a single alternative.
219 (*truncdfsf_i387): Ditto.
220 (*truncxfsf2_mixed): Ditto.
221 (*truncxfdf2_mixed): Ditto.
223 2009-03-17 Jakub Jelinek <jakub@redhat.com>
225 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
226 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
229 * tree-ssa-live.c (remove_unused_locals): Don't remove local
230 unused non-artificial variables when not optimizing.
233 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
234 DW_TAG_imported_module even if decl is IMPORTED_DECL with
235 NAMESPACE_DECL in its DECL_INITIAL.
238 * optabs.c (set_user_assembler_libfunc): New function.
239 * expr.h (set_user_assembler_libfunc): New prototype.
240 * c-common.c: Include libfuncs.h.
241 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
242 for memcmp, memset, memcpy, memmove and abort.
243 * Makefile.in (c-common.o): Depend on libfuncs.h.
246 * dwarf2out.c (gen_inlined_enumeration_type_die,
247 gen_inlined_structure_type_die, gen_inlined_union_type_die,
248 gen_tagged_type_instantiation_die): Removed.
249 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
252 2009-03-17 Janis Johnson <janis187@us.ibm.com>
255 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
257 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
258 (check-parallel-%): Ditto.
259 (check-consistency): Ditto.
261 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
263 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
264 local variable rhs by NULL_TREE.
266 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
269 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
271 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
274 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
276 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
279 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
280 for ms->sysv ABI calls only in 64bit mode.
282 * config/i386/i386.md (untyped_call): Support 32bit.
284 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
286 * doc/extend.texi: Replace x86_65 with x86_64.
288 2009-03-16 Jakub Jelinek <jakub@redhat.com>
290 PR tree-optimization/39455
291 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
292 mismatches for POINTER_TYPE_P (type).
293 (number_of_iterations_le): Likewise.
295 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
297 * config/picochip/picochip.c: Removed profiling support.
298 * config/picochip/picochip.md: Removed profiling instruction.
299 * config/picochip/picochip.h: Removed profiling builtin.
301 2009-03-16 Joseph Myers <joseph@codesourcery.com>
303 * doc/install.texi (--with-host-libstdcxx): Document.
305 2009-03-14 Anatoly Sokolov <aesok@post.ru>
308 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
309 generate a warning if the function name does not begin with
310 "__vector" and the function has either the 'signal' or 'interrupt'
311 attribute, from here to ...
312 (avr_declare_function_name): ...here. New function.
313 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
314 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
316 2009-03-14 Jakub Jelinek <jakub@redhat.com>
319 * cse.c (fold_rtx): Don't modify original const_arg1 when
320 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
321 separate variable instead.
322 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
323 from out of range shift counts.
324 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
326 2008-03-13 Catherine Moore <clm@codesourcery.com>
328 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
329 diagnostic.h with $(DIAGNOSTIC_H).
331 2008-03-12 Jakub Jelinek <jakub@redhat.com>
334 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
336 * config/i386/sync.md (sync_compare_and_swap<mode>,
337 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
338 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
340 (sync_double_compare_and_swapdi_pic,
341 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
342 cmpxchg8b_pic_memory_operand instead of just memory_operand.
344 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
347 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
349 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
352 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
353 (avx_addsubv4df3): Likewise.
354 (*avx_addsubv4sf3): Likewise.
355 (sse3_addsubv4sf3): Likewise.
357 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
362 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
365 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
366 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
367 registers for allocnos created from user-defined variables.
369 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
372 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
373 of non-integer mode as well.
375 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
377 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
378 for functions for which the parameter types are unknown.
380 2009-03-11 Jakub Jelinek <jakub@redhat.com>
383 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
384 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
385 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
386 * config/i386/i386.c (ix86_local_alignment): For
387 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
388 long long variables on the stack to avoid dynamic realignment.
389 Allow the first argument to be a decl rather than type.
390 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
392 2009-03-11 Nick Clifton <nickc@redhat.com>
395 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
397 Add description to mno-lsim option.
398 * config/mcore/mcore.h: Remove comment about deprecated m4align
400 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
401 * doc/invoke.texi: Add description of mno-lsim and
402 mstack-increment options.
404 * config/fr30/fr30.opt: Document the -mno-lsim option.
405 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
406 and -mno-lsim options.
408 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
410 * fold-const.c (fold_comparison): Only call fold_inf_compare
411 if the mode supports infinities.
413 2009-03-11 Jason Merrill <jason@redhat.com>
416 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
417 end already did. Notice GIMPLE_CALL modifications of the result.
418 Don't copy debug information from an ignored decl or a decl from
421 2009-03-10 Richard Guenther <rguenther@suse.de>
422 Nathan Froyd <froydnj@codesourcery.com>
425 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
426 (__divMODE3): Likewise.
428 2009-03-09 Jakub Jelinek <jakub@redhat.com>
430 PR tree-optimization/39394
431 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
432 DECL_SIZE_UNIT of variable length FIELD_DECLs.
434 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
436 * recog.c (verfiy_changes): Disallow renaming of hard regs in
437 inline asms for register asm ("") declarations.
439 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
441 * fold-const.c (fold_unary): Fix comment.
443 2009-03-07 Jan Hubicka <jh@suse.cz>
446 * tree-inline.c (setup_one_parameter): Do replacement of const argument
447 by constant in SSA form.
449 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
452 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
453 determine alignment passed to assign_stack_local.
454 (assign_parms_unsplit_complex): Likewise.
455 * except.c (sjlj_build_landing_pads): Likewise.
457 2009-03-06 Jakub Jelinek <jakub@redhat.com>
460 * tree-flow.h (add_referenced_var): Return bool instead of void.
461 * tree-dfa.c (add_referenced_var): Return result of
462 referenced_var_check_and_insert call.
463 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
464 of referenced_var_check_and_insert.
467 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
468 (gen_variable_die): Emit DW_AT_location on abstract static variable's
469 DIE, don't emit it if abstract origin already has it.
470 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
471 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
473 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
475 * genpreds.c: (needs_variable): Fix parentheses at variable name
477 (write_tm_constrs_h): Indent generated code.
479 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
481 * doc/extend.texi (Function Attributes): Add documentation
484 2009-03-06 Jakub Jelinek <jakub@redhat.com>
487 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
488 take locus from its DECL_SOURCE_LOCATION instead of input_location.
490 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
492 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
495 2009-03-05 Jakub Jelinek <jakub@redhat.com>
498 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
499 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
501 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
503 * config/i386/i386.md (R8_REG, R9_REG): New constants.
504 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
505 constants instead of magic numbers.
506 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
508 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
509 (x86_64_ms_abi_int_parameter_registers): Ditto.
510 (x86_64_int_return_registers): Ditto.
511 (ix86_maybe_switch_abi): Ditto.
512 (ix86_expand_call): Ditto for clobbered_registers array.
513 (ix86_hard_regno_mode_ok): Ditto.
514 (x86_extended_QIreg_mentioned_p): Ditto.
516 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
518 PR tree-optimization/39349
519 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
521 * combine.c (gen_lowpart_for_combine): Use omode when generating
524 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
526 PR rtl-optimization/39235
527 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
529 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
531 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
533 2009-03-04 Richard Guenther <rguenther@suse.de>
535 PR tree-optimization/39362
536 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
537 that occur in abnormal PHIs should be varying.
539 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
541 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
543 (simple_iv): Take loop as an argument instead of statement.
544 * tree-scalar-evolution.h (simple_iv): Declaration changed.
545 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
547 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
549 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
550 * matrix-reorg.c (analyze_transpose): Ditto.
551 * tree-data-ref.c (dr_analyze_innermost): Ditto.
552 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
553 * tree-predcom.c (ref_at_iteration): Ditto.
554 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
556 2009-03-04 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/39358
559 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
560 escaped_id and callused_id.
561 (solve_graph): Likewise.
563 2009-03-04 Richard Guenther <rguenther@suse.de>
565 PR tree-optimization/39339
566 * tree-sra.c (try_instantiate_multiple_fields): Make it
567 no longer ICE on the above.
569 2009-03-03 Joseph Myers <joseph@codesourcery.com>
571 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
572 that fits within Pmode.
574 2009-03-03 Steve Ellcey <sje@cup.hp.com>
577 * tm.texi (LIBCALL_VALUE): Update description.
579 2009-03-03 Steve Ellcey <sje@cup.hp.com>
582 * doc/extend.texi (section): Update description.
584 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
587 * tree-inline.c (remapped_type): New.
588 (can_be_nonlocal): Call remapped_type instead of remap_type.
590 2009-03-03 Jakub Jelinek <jakub@redhat.com>
593 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
594 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
596 2009-03-03 Richard Guenther <rguenther@suse.de>
599 * tree.c (tree_nonartificial_location): New function.
600 * tree.h (tree_nonartificial_location): Declare.
601 * builtins.c (expand_builtin_memory_chk): Provide location
602 of the call location for artificial function pieces.
603 (maybe_emit_chk_warning): Likewise.
604 (maybe_emit_sprintf_chk_warning): Likewise.
605 (maybe_emit_free_warning): Likewise.
606 * expr.c (expand_expr_real_1): Likewise.
608 2009-03-03 Jakub Jelinek <jakub@redhat.com>
610 PR tree-optimization/39343
611 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
612 COMPONENT_REF t has ARRAY_TYPE.
614 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
617 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
618 when the type precision of the induction variable should be
619 larger than the type precision of nit.
620 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
621 * graphite.c (graphite_loop_normal_form): Same.
622 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
624 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
626 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
627 (*call_1_rex64_ms_sysv): Use named constants instead of magic
628 numbers to describe clobbered registers.
629 (*call_value_0_rex64_ms_sysv): Ditto.
630 * config/i386/mmx.md (mmx_emms): Ditto.
633 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
635 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
638 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
640 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
641 (spu_section_type_flags): New function.
643 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
645 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
646 reg_class_contents of FLOAT_REGS into a temporary.
648 2009-03-02 Richard Guenther <rguenther@suse.de>
649 Ira Rosen <irar@il.ibm.com>
651 PR tree-optimization/39318
652 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
653 information to the vectorized statement.
655 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
657 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
658 variable. Use defined names instead of magic constants for REX SSE
661 2009-03-01 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/39331
664 * omp-low.c (lower_send_shared_vars): Do not receive new
665 values for the reference of DECL_BY_REFERENCE parms or results.
667 2009-03-01 Jan Hubicka <jh@suse.cz>
670 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
671 BLOCK_NONLOCALIZED_VAR): New macros.
672 (tree_block): Add nonlocalized_vars.
673 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
674 gen_decl_die): Add origin argument. Allow generation of die with
676 (gen_member_die, gen_type_die_with_usage, force_decl_die,
677 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
679 (gen_block_die): Fix checking for unused blocks.
680 (process_scope_var): Break out from .... ; work with origins only.
681 (decls_for_scope) ... here; process nonlocalized list.
682 (dwarf2out_ignore_block): Look for nonlocalized vars.
683 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
685 (dump_scope_block): Dump them.
686 * tree-inline.c (remap_decls): Handle nonlocalized vars.
687 (remap_block): Likewise.
688 (can_be_nonlocal): New predicate.
689 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
691 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
693 * configure: Regenerate.
695 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
697 * optc-gen.awk: No need to duplicate option flags twice.
698 Reuse help texts for duplicate options which do not have any.
700 * gcc.c (display_help): Document --version.
702 * gcc.c (main): If print_help_list and verbose_flag, ensure
703 driver output comes before subprocess output.
705 * optc-gen.awk: Assign all remaining fields to help string,
706 space-separated, for multi-line help in *.opt.
708 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
709 -Wno-pedantic-ms-format is for MinGW targets only.
711 * doc/options.texi (Option file format): Fix bad indentation,
712 restoring dropped sentence.
714 2009-02-28 Jan Hubicka <jh@suse.cz>
716 * tree-inline.c (tree_function_versioning): Output debug info.
718 2009-02-28 Jan Hubicka <jh@suse.cz>
721 * tree-inline.c (setup_one_parameter): Do not copy propagate
722 arguments when not optimizing.
724 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
727 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
728 (avx_addsubv4df3): Likewise.
729 (*avx_addsubv4sf3): Likewise.
730 (sse3_addsubv4sf3): Likewise.
731 (*avx_addsubv2df3): Likewise.
732 (sse3_addsubv2df3): Likewise.
733 (avx_unpckhps256): Correct item selectors.
734 (avx_unpcklps256): Likewise.
735 (avx_unpckhpd256): Likewise.
736 (avx_unpcklpd256): Likewise.
738 2009-02-28 Jan Hubicka <jh@suse.cz>
740 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
742 (copy_arguments_for_versioning): If var is declared don't declare it.
743 (tree_function_versioning): First setup substitutions and then copy
746 2009-02-27 Jan Hubicka <jh@suse.cz>
749 * cgraph.h (varpool_output_debug_info): Remove.
750 * cgraphunit.c (varpool_output_debug_info): Remove.
751 * dwarf2out.c (deferred_locations_struct): New struct
752 (deferred_locations): New type.
753 (deferred_locations_list): New static var.
754 (deffer_location): New function.
755 (gen_variable_die): Use it.
756 (decls_for_scope): Output info on local static vars.
757 (dwarf2out_finish): Process deferred locations.
758 * varpool.c (varpool_output_debug_info): Remove.
760 2009-02-27 Jan Hubicka <jh@suse.cz>
763 * tree.h (TREE_PROTECTED): Fix comment.
764 (BLOCK_HANDLER_BLOCK): Remove.
765 (struct tree_block): Remove handler_block add body_block.
766 (inlined_function_outer_scope_p): New.
767 (is_body_block): Remove.
768 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
769 * dwarf2out.c (is_inlined_entry_point): Remove.
770 (add_high_low_attributes): Use inlined_function_outer_scope_p.
771 (gen_block_die): Use is_inlined_entry_point check. Remove body block
773 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
774 * gimplify.c (gimplify_expr): Gimplify body blocks.
775 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
776 block with multiple subblocks.
777 (dump_scope_block): Prettier output; dump more flags and info.
778 (dump_scope_blocks): New.
779 (remove_unused_locals): Use dump_scope_blocks.
780 * tree-flow.h (dump_scope_blocks): Declare.
781 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
782 * stmt.c (is_body_block): Remove.
783 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
784 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
786 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
789 * graphite.c (graphite_loop_normal_form): Do not call
790 number_of_iterations_exit from a gcc_assert.
792 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
794 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
795 jumps if COND is NULL.
796 (find_cond_jump): New function.
797 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
798 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
800 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
802 * config/alpha/alpha.h (alpha_expand_mov): Return false if
803 force_const_mem returns NULL_RTX.
805 2009-02-26 Jan Hubicka <jh@suse.cz>
808 * cgraph.h (varpool_output_debug_info): Remove.
809 * cgraphunit.c (varpool_output_debug_info): Remove.
810 * dwarf2out.c (deferred_locations_struct): New struct
811 (deferred_locations): New type.
812 (deferred_locations_list): New static var.
813 (deffer_location): New function.
814 (gen_variable_die): Use it.
815 (decls_for_scope): Output info on local static vars.
816 (dwarf2out_finish): Process deferred locations.
817 * varpool.c (varpool_output_debug_info): Remove.
819 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
821 PR rtl-optimization/39241
822 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
823 to subreg_offset_representable_p.
825 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
827 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
828 execute function prototype. Get f and nregs from max_reg_num
829 and get_insns. Remove the first backward pass as it's dead,
830 guard the forward pass by flag_expensive_optimizations.
831 (rest_of_handle_regmove): Delete.
832 (pass_regmove): Replace it with regmove_optimize.
834 2009-02-25 Martin Jambor <mjambor@suse.cz>
836 PR tree-optimization/39259
837 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
838 calls_alloca function flags.
839 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
842 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
844 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
845 flags_set_1_rtx, flags_set_1_set): Delete.
846 (regmove_optimize): Do not call mark_flags_life_zones.
848 2009-02-24 Julian Brown <julian@codesourcery.com>
851 * config/arm/arm.c (require_pic_register): Only set
852 cfun->machine->pic_reg once per function.
854 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
856 * doc/invoke.texi (Link Options): Document an easier way to pass
857 options that take arguments to the GNU linker using -Xlinker and -Wl.
859 2009-02-24 Steve Ellcey <sje@cup.hp.com>
862 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
864 2009-02-24 Richard Guenther <rguenther@suse.de>
867 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
869 2009-02-24 Richard Guenther <rguenther@suse.de>
870 Zdenek Dvorak <ook@ucw.cz>
872 PR tree-optimization/39233
873 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
874 from converting them to a generic type.
876 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
878 PR tree-optimization/39260
879 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
880 contains a condition with a real type.
881 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
883 2009-02-23 Jason Merrill <jason@redhat.com>
886 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
887 narrowing_initializer_constant_valid_p.
888 (narrowing_initializer_constant_valid_p): Don't return
889 null_pointer_node for adding a pointer to itself.
891 2009-02-23 Jan Hubicka <jh@suse.cz>
894 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
897 2009-02-23 Jan Hubicka <jh@suse.cz>
899 PR tree-optimization/37709
900 * tree.c (block_ultimate_origin): Move here from dwarf2out.
901 * tree.h (block_ultimate_origin): Declare.
902 * dwarf2out.c (block_ultimate_origin): Move to tree.c
903 * tree-ssa-live.c (remove_unused_scope_block_p):
904 Eliminate blocks containig no instructions nor live variables nor
906 (dump_scope_block): New function.
907 (remove_unused_locals): Enable removal of dead blocks by default;
908 enable dumping at TDF_DETAILS.
910 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
912 * config/i386/i386.c (classify_argument): Don't allow COImode
914 (function_arg_advance_32): Don't allow OImode.
915 (function_arg_32): Likewise.
916 (function_value_32): Likewise.
917 (return_in_memory_32): Likewise.
918 (function_arg_64): Remove OImode comment.
920 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
923 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
924 ix86_expand_vector_set for V4DImode in 64bit mode only.
925 (ix86_expand_vector_init_one_var): Likewise.
927 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
929 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
931 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
934 * loop-iv.c: Revert last change.
935 * emit-rtl.c: Likewise.
937 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
940 * config/i386/i386.c (type_natural_mode): Remove an extra
941 space in the warning message.
942 (function_value_32): Handle 32-byte vector modes.
943 (return_in_memory_32): Likewise.
945 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
947 * loop-iv.c (truncate_value): New function.
948 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
950 (lowpart_subreg): Move to...
951 * emit-rtl.c: ...here.
953 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
955 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
956 accidental and undocumented change at revision 140860.
958 2009-02-21 Joseph Myers <joseph@codesourcery.com>
960 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
961 take gimple_seq * arguments.
962 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
963 types_compatible_p langhook.
965 2009-02-20 Mark Mitchell <mark@codesourcery.com>
966 Joseph Myers <joseph@codesourcery.com>
968 * config/arm/arm.c (arm_builtin_va_list): New function.
969 (arm_expand_builtin_va_start): Likewise.
970 (arm_gimplify_va_arg_expr): Likewise.
971 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
972 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
973 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
974 (va_list_type): New variable.
975 (arm_mangle_type): Mangle va_list_type appropriately.
977 2009-02-20 Jakub Jelinek <jakub@redhat.com>
980 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
981 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
982 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
983 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
984 parameter to 1000 for -O1 by default.
985 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
987 * loop-invariant.c: Include params.h.
988 (move_loop_invariants): Don't call move_single_loop_invariants on
991 2009-02-20 Jaka Mocnik <jaka@xlab.si>
993 * calls.c (emit_library_call_value_1): Use slot_offset instead of
994 offset when calculating bounds for indexing stack_usage_map. Fixes
995 a buffer overflow with certain target setups.
997 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1000 * calls.c (expand_call): Clear try_tail_call if caller and callee
1001 disagree in promotion of function return value.
1003 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1006 * c-common.c (c_determine_visibility): If visibility changed and
1007 DECL_RTL has been already set, call make_decl_rtl to update symbol
1010 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1013 * varasm.c (assemble_variable): Don't check DECL_NAME when
1014 globalizing a variable.
1016 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1019 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1020 expression before any __builtin_trap call.
1021 * c-typeck.c (build_function_call): Convert and check function
1022 arguments before generating a call to a trap. Evaluate the
1023 function arguments before the trap.
1025 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1028 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1029 (UNSPEC_FXAM_MEM): New unspec.
1030 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1031 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1032 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1034 2009-02-19 Richard Guenther <rguenther@suse.de>
1036 PR tree-optimization/39207
1037 PR tree-optimization/39074
1038 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1039 storedanything_tree): New.
1040 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1041 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1042 (build_succ_graph): Add edges from STOREDANYTHING to all
1044 (init_base_vars): Initialize STOREDANYTHING.
1045 (compute_points_to_sets): Free substitution info after
1046 building the succ graph.
1047 (ipa_pta_execute): Likewise.
1049 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1051 (do_ds_constraint): Do not add to special var or non-pointer
1053 (type_could_have_pointers): Split out from ...
1054 (could_have_pointers): ... here. For arrays use the element type.
1055 (create_variable_info_for): Initialize may_have_pointers.
1056 (new_var_info): Likewise.
1057 (handle_lhs_call): Make the HEAP variable unknown-sized.
1058 (intra_create_variable_infos): Use a type with pointers for
1059 PARM_NOALIAS, make it unknown-sized.
1061 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1064 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1066 2009-02-18 Jason Merrill <jason@redhat.com>
1069 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1070 value if DECL_EXTERNAL.
1071 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1072 * target.h (gcc_target::binds_local_p): Clarify "module".
1073 * tree.h (TREE_PUBLIC): Clarify "module".
1075 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1078 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1079 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1081 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1084 * c.opt (Wabi): Support C and ObjC.
1087 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1089 * config/i386/i386.c (classify_argument): Warn once about the ABI
1090 change when passing union with long double.
1092 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1094 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1097 * c-parser.c (c_parser_compound_statement): Always enter and leave
1100 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1103 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1105 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1107 PR tree-optimization/36922
1108 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1109 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1112 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1114 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1117 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1119 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1121 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1123 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1126 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1127 Richard Sandiford <rdsandiford@googlemail.com>
1129 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1130 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1131 (loongson_biadd): ...this.
1133 2009-02-17 Richard Guenther <rguenther@suse.de>
1135 PR tree-optimization/39202
1136 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1137 a var make sure to follow existing collapses.
1139 2009-02-17 Richard Guenther <rguenther@suse.de>
1142 * langhooks.c (lhd_print_error_function): Check for NULL block.
1144 2009-02-17 Richard Guenther <rguenther@suse.de>
1146 PR tree-optimization/39204
1147 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1150 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1152 * config/soft-fp/double.h: Update from glibc CVS.
1154 2009-02-17 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/39207
1157 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1158 strict-aliasing warnings for pointers pointing to NULL.
1160 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1163 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1164 skipping until next close brace.
1166 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1169 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1170 to function argument boundary.
1172 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1174 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1175 in the lea_add. Reload eventually constraints it properly.
1176 * config/picochip/constraints.md : Remove the target constraint
1177 "b", since it is not needed anymore.
1179 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1181 * gthr-dce.h: Uglify function parameter and local variable names.
1182 * gthr-gnat.h: Likewise.
1183 * gthr-mipssde.h: Likewise.
1184 * gthr-nks.h: Likewise.
1185 * gthr-posix95.h: Likewise.
1186 * gthr-posix.h: Likewise.
1187 * gthr-rtems.h: Likewise.
1188 * gthr-single.h: Likewise.
1189 * gthr-solaris.h: Likewise.
1190 * gthr-tpf.h: Likewise.
1191 * gthr-vxworks.h: Likewise.
1192 * gthr-win32.h: Likewise.
1194 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1197 * config/i386/i386.md: Restrict the new peephole2 to move
1198 between MMX/SSE registers.
1200 2009-02-15 Richard Guenther <rguenther@suse.de>
1203 2009-02-13 Richard Guenther <rguenther@suse.de>
1205 * configure.ac: Enable LFS.
1206 * configure: Re-generate.
1207 * config.in: Likewise.
1209 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1211 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1212 spu_srqwbyte, spu_srqwbytebc): Define.
1213 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1214 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1215 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1216 "shrqby_<mode>"): New insn-and-split patterns.
1217 * config/spu/spu.c (expand_builtin_args): Determine and return
1218 number of operands using spu_builtin_description data.
1219 (spu_expand_builtin_1): Use it.
1221 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1224 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1227 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1230 * config/i386/i386.c (override_options): Correct warning
1231 messages for -malign-loops, -malign-jumps and -malign-functions.
1233 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1236 * config/i386/i386.md: Restrict the new peephole2 to move
1237 between the general purpose registers.
1239 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1242 * config/i386/i386.c (type_natural_mode): Add a new argument.
1243 Return the original mode and warn ABI change if vector size is 32byte.
1244 (function_arg_advance): Updated.
1245 (function_arg): Likewise.
1246 (ix86_function_value): Likewise.
1247 (ix86_return_in_memory): Likewise.
1248 (ix86_sol10_return_in_memory): Likewise.
1249 (ix86_gimplify_va_arg): Likewise.
1250 (function_arg_32): Don't warn ABX ABI change here.
1251 (function_arg_64): Likewise.
1253 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1255 * loop-iv.c (implies_p): In the final case, test that operands 0
1256 of the two comparisons match.
1258 * config/bfin/bfin.c (find_prev_insn_start): New function.
1259 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1260 (find_next_insn_start): Move.
1262 2009-02-13 Richard Guenther <rguenther@suse.de>
1264 * configure.ac: Enable LFS.
1265 * configure: Re-generate.
1266 * config.in: Likewise.
1268 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1271 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1272 sizes on syntax error after some arguments have been parsed.
1274 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1276 * doc/invoke.texi (-fira): Remove.
1278 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1280 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1281 * recog.c: Likewise.
1284 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1286 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1287 (umul_ppmm): Likewise.
1288 (count_leading_zeros): Likewise.
1289 (count_trailing_zeros): Likewise.
1290 (UMUL_TIME): Likewise.
1292 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1294 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1295 soft-fp/t-softfp to tmake_file.
1297 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1298 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1299 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1300 IA64_BUILTIN_INFQ]: New.
1301 (ia64_init_builtins): Initialize __builtin_infq,
1302 __builtin_fabsq and __builtin_copysignq if not HPUX.
1303 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1304 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1306 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1308 (__fixtfti): Likewise.
1309 (__fixunstfti): Likewise.
1310 (__floattitf): Likewise.
1312 * config/ia64/libgcc-glibc.ver: New.
1313 * config/ia64/t-fprules-softfp: Likewise.
1314 * config/ia64/sfp-machine.h: Likewise.
1316 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1317 (LIBGCC2_TF_CEXT): Likewise.
1318 (TF_SIZE): Likewise.
1319 (TARGET_INIT_LIBFUNCS): Likewise.
1321 * config/ia64/t-glibc (SHLINB_MAPFILES):
1322 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1324 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1326 * config/i386/i386.c (construct_container): Rewrite processing
1327 BLKmode with X86_64_SSE_CLASS.
1329 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1332 * config/i386/i386.md: Replace simplify_replace_rtx with
1333 replace_rtx in the new peephole2.
1335 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1337 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1338 loop unrolling do not happen at -O2.
1340 2009-02-12 Michael Matz <matz@suse.de>
1342 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1344 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1346 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1349 2009-02-12 Ben Elliston <bje@au.ibm.com>
1351 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1352 patterns when updating the back chain. Missed in the 2009-02-10
1355 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1357 * doc/extend.texi (Decimal Floating Types): Update identifier of
1358 draft TR and list of missing support.
1360 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1363 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1364 bit to variable length decl's flags, add it also to its
1365 pointer replacement variable.
1367 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1368 Jakub Jelinek <jakub@redhat.com>
1371 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1372 (memory_blockage): New expander.
1373 (*memory_blockage): New insn pattern.
1374 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1375 instead of general blockage at the end of function prologue when
1376 frame pointer is used to access red zone area. Do not emit blockage
1377 when profiling, it is emitted in generic code.
1378 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1379 function epilogue when frame pointer is used to access red zone area.
1381 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1384 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1385 by arithmetic with memory operands.
1386 * config/i386/predicates.md (commutative_operator): New.
1388 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1390 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1393 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1395 * alias.h (record_alias_subset): Declare.
1396 * alias.c (record_alias_subset): Make global.
1398 2009-02-10 Nick Clifton <nickc@redhat.com>
1400 * tree-parloops.c: Change license to GPLv3.
1401 * ipa-struct-reorg.c: Change license to GPLv3.
1402 * ipa-struct-reorg.h: Change license to GPLv3.
1404 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1407 * c-decl.c (start_struct): Return NULL on error.
1409 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1412 * cfgloopmanip.c (remove_path): Call remove_bbs after
1413 cancel_loop_tree, not before it.
1416 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1417 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1418 VAR_DECLs were seen.
1419 * tree-ssa-live.c (remove_unused_locals): Recompute
1420 cfun->has_local_explicit_reg_vars.
1421 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1422 copies or clearings if cfun->has_local_explicit_reg_vars.
1424 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1427 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1428 of function prologue when frame pointer is used to access
1431 2009-02-10 Richard Guenther <rguenther@suse.de>
1434 * gimplify.c (gimple_regimplify_operands): Always look if
1435 we need to create a temporary.
1437 2009-02-10 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/39132
1440 * tree-loop-distribution.c (todo): New global var.
1441 (generate_memset_zero): Trigger TODO_rebuild_alias.
1442 (tree_loop_distribution): Return todo.
1444 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1447 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1448 (x86_64_reg_class_name): Removed.
1449 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1450 first one isn't X86_64_SSE_CLASS or any other ones aren't
1451 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1452 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1453 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1454 and 3 X86_64_SSEUP_CLASS.
1455 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1456 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1458 2009-02-10 Ben Elliston <bje@au.ibm.com>
1460 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1461 form instruction to update the stack back chain word, even if the
1462 user has disabled the generation of update instructions.
1463 (movdi_<mode>_update_stack): New.
1464 (movsi_update_stack): Likewise.
1465 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1466 always use an update form instruction to update the stack back
1469 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1472 * graphite.c (if_region_set_false_region): After moving a region in
1473 the false branch of a condition, remove the empty dummy basic block.
1474 (gloog): Remove wrong fix for PR38953.
1476 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1478 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1479 generation due to implicit sign extension.
1481 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1484 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1485 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1487 2009-02-09 Richard Guenther <rguenther@suse.de>
1490 * convert.c (convert_to_real): Disable (float)fn((double)x)
1491 to fnf(x) conversion if errno differences may occur and
1492 -fmath-errno is set.
1494 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1496 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1497 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1498 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1500 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1503 * c-common.c (handle_alias_attribute): Disallow attribute for
1504 anything not a FUNCTION_DECL or VAR_DECL.
1506 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1509 * real.c (do_compare): Special-case compare of zero against
1510 decimal float value.
1512 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1515 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1516 as indicating flexible array members unless the field itself is
1517 being declarared as the incomplete array.
1519 2009-02-06 Jan Hubicka <jh@suse.cz>
1521 PR tree-optimization/38844
1522 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1525 2009-02-06 Richard Guenther <rguenther@suse.de>
1528 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1529 fork because we may expand it as __gcov_fork.
1531 2009-02-06 Nick Clifton <nickc@redhat.com>
1533 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1535 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1537 PR tree-optimization/35659
1538 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1539 vn_phi_eq): Shortcut if hashcode does not match.
1540 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1542 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1543 and avoid iterative_hash_expr.
1544 (FOR_EACH_VALUE_ID_IN_SET): New.
1545 (value_id_compare): Remove.
1546 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1547 sort expressions by value id.
1549 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1552 * config/sh/predicates.md (general_movsrc_operand): Don't check
1553 the subreg of system registers here.
1555 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1558 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1561 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1563 PR rtl-optimization/39110
1564 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1565 addresses, not aligned ones.
1567 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1568 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/39100
1571 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1572 comment says and add edges.
1574 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1577 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1578 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1580 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1582 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1583 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1584 register_bb_in_sese, new_sese, free_sese): Moved.
1585 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1586 outermost_loop_in_scop, build_scop_iteration_domain,
1587 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1588 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1589 Use loop_in_sese_p instead of loop_in_scop_p.
1590 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1591 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1592 (scopdet_basic_block_info): Fix bug in scop detection.
1593 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1594 eq_loop_to_cloog_loop): Remove.
1595 (nb_loops_around_loop_in_scop, nb_loop
1596 ref_nb_loops): Moved here...
1597 * graphite.h (ref_nb_loops): ... from here.
1598 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1599 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1600 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1601 * testsuite/gcc.dg/graphite/scop-19.c: New
1603 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1604 Hans-Peter Nilsson <hp@axis.com>
1606 PR rtl-optimization/37889
1607 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1608 Move offset handling from PLUS to before the switch. Use new
1609 arguments when considering SYMBOL_REFs too.
1610 (rtx_addr_can_trap_p): Pass dummy offset and size.
1611 (enum may_trap_p_flags): Remove.
1612 (may_trap_p_1): Pass size from MEM_SIZE.
1614 PR rtl-optimization/38921
1615 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1616 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1617 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1618 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1620 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1622 AVX Programming Reference (January, 2009)
1623 * config/i386/sse.md (*vpclmulqdq): New.
1625 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1627 PR tree-optimization/38977
1628 PR gcov-profile/38292
1629 * calls.c (special_function_p): Disregard __builtin_ prefix.
1631 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1633 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1634 non-indexable addresses even before reload.
1636 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1639 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1640 as having variable size. Do not give an error for unnamed
1641 parameters with [*] declarators. Give a warning for type names
1642 with [*] declarators and mark them as variable size.
1643 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1644 for sizeof applied to [*] type names.
1646 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1649 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1651 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1653 * gcc.c (process_command): Update copyright notice dates.
1654 * gcov.c (print_version): Likewise.
1655 * gcov-dump.c (print_version): Likewise.
1656 * mips-tfile.c (main): Likewise.
1657 * mips-tdump.c (main): Likewise.
1659 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1662 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1663 for composite type involving a zero-length array type.
1665 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1668 * function.c (match_asm_constraints_1): Skip over
1669 initial optional % in the constraint.
1672 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1673 supported, don't accept FIXED_CSTs.
1674 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1675 and _Sat is used without _Fract/_Accum. Set specs->type to
1676 integer_type_node for cts_fract/cts_accum if fixed point is not
1679 2009-02-02 Catherine Moore <clm@codesourcery.com>
1681 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1683 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1685 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1686 (ABI_HAS_64BIT_SYMBOLS): Use it.
1687 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1689 2009-02-02 Paul Brook <paul@codesourcery.com>
1691 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1693 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1696 * recog.h (asm_operand_ok): Add constraints argument.
1697 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1698 recurse on matching constraint.
1699 (check_asm_operands): Pass constraints as 3rd argument to
1700 asm_operand_ok. Don't look up matching constraint here.
1701 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1704 2009-02-02 Ben Elliston <bje@au.ibm.com>
1706 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1707 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1709 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1711 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1712 information. Remove some obsolete information. Reorganize.
1714 * config/pa/fptr.c: Revert license to GPL 2.
1715 * config/pa/milli64.S: Likewise.
1717 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1720 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1721 LIBRARY name in, instead of hard-coding it.
1722 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1723 extra target make frag to tmake_files according to EH model.
1724 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1725 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1726 frags that define makefile variable EH_MODEL appropriately.
1727 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1728 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1729 to "-sjlj" according to type of EH configured.
1730 (LIBGCC_SONAME): Concatenate it to shared library base name.
1731 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1732 to "_sjlj" according to type of EH configured.
1733 (LIBGCC_SONAME): Concatenate it to shared library base name.
1734 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1735 (SHLIB_LINK): Add missing semicolon to if-else construct.
1736 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1737 string value of "pe_dll" command-line option.
1738 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1739 (SHLIB_SONAME): Use it when overriding t-cygming default.
1740 (SHLIB_IMPLIB): Override t-cygming default.
1741 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1742 string value of "pe_dll" command-line option.
1744 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1747 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1748 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1750 2009-01-31 Richard Guenther <rguenther@suse.de>
1752 PR tree-optimization/38937
1753 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1754 computing the transitive closure.
1756 2009-01-30 Richard Guenther <rguenther@suse.de>
1758 PR tree-optimization/39041
1759 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1760 Propagate variable indices only if the types match for this stmt.
1762 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1765 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1766 inline but never defined.
1768 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1770 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1771 (*insv_h_di_reg_extimm): New insn.
1772 (*insv_l<mode>_reg_extimm): New insn.
1774 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1776 * config/picochip/picochip.c (flag_conserve_stack): set
1777 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1778 fconserve-stack. Reduce call-overhead used by inliner.
1780 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1783 * common.opt (flag_conserve_stack): Initialised to zero.
1785 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1788 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1789 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1792 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1794 * ira-color.c (allocno_reload_assign): Update comments.
1795 * regmove.c (regmove_optimize): Likewise.
1799 2009-01-29 Robert Millan <rmh@aybabtu.com>
1801 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1802 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1803 `MD_UNWIND_SUPPORT'.
1804 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1806 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1808 PR tree-optimization/39007
1809 * tree-loop-distribution.c (generate_builtin): Use
1810 recompute_dominator to compute the immediate dominator of the
1811 basic block just after the loop.
1813 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1815 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1816 (ASM_OUTPUT_DWARF_PCREL): Define.
1818 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1820 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1821 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1822 global. Modify entries about regmove and IRA.
1824 * ra-conflict.c: Remove the file.
1826 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1828 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1829 (pass_regclass_init): Rename to pass_reginfo_init.
1831 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1833 * toplev.h (flag_ira): Remove.
1835 * caller-save.c (setup_save_areas): Remove flag_ira.
1837 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1839 * global.c: Remove the file.
1841 * opts.c: (decode_options): Remove flag_ira.
1843 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1845 * regmove.c: Modify file description.
1846 (find_use_as_address, try_auto_increment): Define them only if
1847 AUTO_INC_DEC is defined.
1848 (replacement_quality, replace_in_call_usage, fixup_match_1,
1849 stable_and_no_regs_but_for_p): Remove.
1850 (reg_set_in_bb): Make it static.
1851 (regmove_optimize): Remove flag_ira and code which worked for
1854 * local-alloc.c: Remove the file.
1856 * common.opt (fira): Remove.
1858 * ira.c: Include except.h.
1859 (eliminable_regset): Move from global.c.
1860 (mark_elimination): Ditto. Remove flag_ira.
1861 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1862 equiv_mem_modified, validate_equiv_mem_from_store,
1863 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1864 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1865 no_equiv, recorded_label_ref): Move from local-alloc.c.
1866 (update_equiv_regs): Ditto. Make it static.
1867 (print_insn_chain, print_insn_chains): Move it from global.c.
1868 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1869 (build_insn_chain): Ditto. Make it static.
1870 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1871 Rename to init_live_subregs.
1872 (gate_ira): Remove flag_ira.
1874 * regclass.c: Rename reginfo.c. Change file description.
1875 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1876 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1877 (init_reg_sets_1): Remove code for evaluation of
1878 reg_class_superclasses and losing_caller_save_reg_set.
1879 (init_regs): Remove init_reg_autoinc.
1880 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1881 ok_for_base_p_nonstrict): Remove.
1882 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1883 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1884 corresponding entries.
1885 (dump_regclass, record_operand_costs, scan_one_insn,
1886 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1887 record_address_regs, auto_inc_dec_reg_p): Remove.
1888 (gt-regclass.h): Rename to gt-reginfo.h.
1890 * rtl.h (dump_global_regs, retry_global_alloc,
1891 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1893 * Makefile.in (RA_H): Remove.
1894 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1895 Rename regclass.o to reginfo.o.
1896 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1898 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1899 (GTFILES): Rename regclass.c to reginfo.c.
1901 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1902 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1904 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1905 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1907 (finish_spills): Ditto. Remove code for !flag_ira.
1909 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1912 * doc/invoke.texi (rtl debug options): Complete rewrite.
1913 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1915 * mode-switching.c (pass_mode_switching): Rename pass from
1916 "mode-sw" to "mode_sw".
1917 * except.c (pass_convert_to_eh_ranges): Rename pass from
1918 "eh-ranges" to "eh_ranges".
1919 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1923 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1924 Alexander Monakov <amonakov@ispras.ru>
1927 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1929 (move_exprs_to_boundary): Change return type and pass through
1930 should_move from move_op. Relax assert. Update usage ...
1931 (schedule_expr_on_boundary): ... here. Use should_move instead of
1933 (move_op_orig_expr_found): Indicate that insn was disconnected from
1935 (code_motion_process_successors): Do not call after_merge_succs
1936 callback if original expression was not found when traversing any of
1938 (code_motion_path_driver): Change return type. Update prototype.
1939 (move_op): Update comment. Add a new parameter (should_move). Update
1940 prototype. Set *should_move based on indication provided by
1941 move_op_orig_expr_found.
1943 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1945 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1946 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1947 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1948 * config/rs6000/rs6000.c (rs6000_override_options): Default
1949 avoid-indexed-addresses on for Power6, off for everything else.
1950 (avoiding_indexed_address_p): New function.
1951 (rs6000_legitimize_address): Use it.
1952 (rs6000_legitimate_address): Likewise.
1953 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1955 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1957 PR tree-optimization/38997
1958 * tree-loop-distribution.c (generate_memset_zero): Use
1959 POINTER_PLUS_EXPR for a pointer addition.
1961 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1963 * config/s390/s390.md (bswap<mode>2): New pattern added.
1965 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1967 * config/s390/s390.md (*tls_load_31): Added type attribute.
1969 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1971 * config/s390/s390.md: Fix a few comments.
1973 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1975 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1976 (*tm<mode>_full): Fixed z10prop attribute.
1977 (*tst<mode>_extimm): Fixed z10prop attribute.
1978 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1979 (*tstqiCCT_cconly): Fixed z10prop attribute.
1980 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1981 (*movsi_larl): Fixed z10prop attribute.
1982 (*movsi_zarch): Fixed z10prop attribute.
1983 (*movsi_eas): Fixed z10prop attribute.
1984 (*movhi): Fixed z10prop attribute.
1985 (*movqi): Fixed z10prop attribute.
1986 (*movstrictqi): Fixed z10prop attribute.
1987 (*mov<mode>): Fixed z10prop attribute.
1988 (*movcc): Fixed z10prop attribute.
1989 (*sethighpartdi_64): Fixed z10prop attribute.
1990 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1991 (*negdi2_sign_cc): Fixed z10prop attribute.
1992 (*negdi2_sign): Fixed z10prop attribute.
1993 (*absdi2_sign_cc): Fixed z10prop attribute.
1994 (*absdi2_sign): Fixed z10prop attribute.
1995 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1996 (*negabsdi2_sign): Fixed z10prop attribute.
1997 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1998 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1999 (doloop_si64): Fixed z10prop attribute.
2000 (doloop_si31): Fixed z10prop attribute.
2001 (doloop_long): Fixed z10prop attribute.
2002 (indirect_jump): Fixed z10prop attribute.
2003 (nop): Fixed z10prop attribute.
2004 (main_base_64): Fixed z10prop attribute.
2005 (reload_base_64): Fixed z10prop attribute.
2007 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2009 PR rtl-optimization/38740
2010 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2012 * config/mips/mips.c (mips_reorg): Likewise.
2014 2009-01-28 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/38926
2017 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2018 with the correct value id to a value.
2019 (do_regular_insertion): Use the value number of edoubleprime
2020 for the value number of the expr.
2023 2008-08-21 Richard Guenther <rguenther@suse.de>
2025 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2026 a PHI ask VN if it is already available.
2027 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2028 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2030 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2033 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2034 set to varying whenever max has TREE_OVERFLOW set, similarly
2035 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2037 2009-01-28 Richard Guenther <rguenther@suse.de>
2040 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2041 uninitialized aggregate uses in call arguments.
2043 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2045 PR tree-optimization/38984
2046 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2047 the nothing_id variable if -fno-delete-null-pointer-checks.
2049 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2052 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2053 (set_got_offset_rex64): Ditto.
2055 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2058 * doc/extend.texi: Improve local variable with asm reg.
2060 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2062 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2063 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2064 was not supplied then set warn_packed_bitfield_compat to the
2066 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2069 2009-01-27 Richard Guenther <rguenther@suse.de>
2071 PR tree-optimization/38503
2072 * cfgexpand.c (expand_gimple_basic_block): Ignore
2073 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2074 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2075 variables that cannot have TBAA applied.
2076 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2079 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2082 * calls.c (initialize_argument_information): Do not wrap complex
2083 arguments in SAVE_EXPR.
2085 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2087 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2088 (INSTALL_LIBGCC): Revert typo commit.
2090 2009-01-26 Richard Guenther <rguenther@suse.de>
2092 PR tree-optimization/38745
2093 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2094 from special handling.
2096 2009-01-26 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/38745
2099 * tree-ssa.c (execute_update_addresses_taken): Do not include
2100 variables that cannot possibly be a register in not_reg_needs.
2101 Do not clear TREE_ADDRESSABLE on vars that may not become
2103 * tree-ssa.c (update_alias_info_1): Include those in the set
2104 of addressable vars.
2106 2009-01-26 Richard Guenther <rguenther@suse.de>
2109 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2110 * tree-ssa-dse.c: Include langhooks.h
2111 (execute_simple_dse): Remove stores with zero size.
2113 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2116 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2119 2009-01-24 Julian Brown <julian@codesourcery.com>
2121 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2122 config/arm/linux-atomic.c.
2123 * config/arm/linux-atomic.c: New.
2125 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2127 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2128 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2129 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2131 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2134 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2137 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2139 PR tree-optimization/38953
2140 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2141 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2142 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2143 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2146 2009-01-24 Paul Brook <paul@codesourcery.com>
2148 * config/arm/neon.md (neon_type): Move to arm.md.
2149 (neon_mov<VSTRUCT>): Add neon_type attribute.
2150 * config/arm/arm.md (neon_type): Move to here.
2151 (conds): Add "unconditioal" and use as default for NEON insns.
2153 2009-01-24 Ben Elliston <bje@au.ibm.com>
2155 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2156 void *' warning from -Wc++-compat.
2157 * Makefile.in (dominance.o-warn): Remove.
2159 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2161 PR tree-optimization/38932
2162 * fold-const.c (fold_unary_ignore_overflow): New.
2163 * tree.h (fold_unary_ignore_overflow): Declare.
2164 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2165 * tree-ssa-sccvn.c (visit_reference_op_load,
2166 simplify_unary_expression): Likewise.
2168 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2170 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2171 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2172 regardless of their type.
2173 * c-common.c (handle_packed_attribute): Don't ignore packed on
2175 * c.opt (Wpacked-bitfield-compat): New warning option.
2176 * stor-layout.c (place_field): Warn if offset of a field changed.
2177 * doc/extend.texi (packed): Mention the ABI change.
2178 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2179 (Warning Options): Add it to the list.
2181 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2183 * c-opts.c (c_common_post_options): Fix a typo in comments.
2185 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2188 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2189 variables to static.
2190 * doc/invoke.texi (-fmerge-all-constants): Update description.
2192 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2195 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2196 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2198 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2200 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2202 (LOCAL_ALIGNMENT): Similarly.
2204 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2205 Joseph Myers <joseph@codesourcery.com>
2207 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2208 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2209 * config/arm/arm-tune.md: Regenerate.
2210 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2213 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2215 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2216 version number to five.
2218 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2221 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2222 * c-common.c (set_underlying_type): Likewise.
2223 (is_typedef_decl ): Likewise
2225 (set_underlying_type): Likewise.
2226 (is_typedef_type): Likewise.
2228 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2231 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2234 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2237 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2238 (LIBGCC_SPEC): Don't define.
2239 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2241 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2243 PR rtl-optimization/38879
2244 * alias.c (base_alias_check): Unaligned access via AND address can
2245 alias all surrounding object types except those with sizes equal
2246 or wider than the size of unaligned access.
2248 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2251 * c-decl.c: (clone_underlying_type): Move this ...
2252 * c-common.c (set_underlying_type): ... here.
2253 Also, make sure the function properly sets TYPE_STUB_DECL() on
2254 the newly created typedef variant type.
2255 (is_typedef_decl ): New entry point.
2256 * tree.h: Added a new member member_types_needing_access_check to
2257 struct tree_decl_non_common.
2258 (set_underlying_type): New entry point.
2259 (is_typedef_type): Likewise.
2261 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2263 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2264 Check whether two instructions have memory references that
2265 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2266 are helper functions for traversing.
2267 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2268 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2269 not to draw dependency edge for instructions with non-conflicting
2272 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2275 * longlong.h: Update copyright years. Use soft-fp license notice.
2276 Sync __clz_tab declaration with glibc.
2278 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2281 * doc/extend.texi (syscall_linkage): New.
2282 (version_id): Modify.
2284 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2285 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/38747
2288 PR tree-optimization/38748
2289 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2290 conversion if the base address is an indirect reference and the
2291 aliasing sets could cause issues.
2293 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2295 * common.opt (fgraphite, fgraphite-identity): Add comment for
2296 explaining why these options are not documented.
2298 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2300 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2301 gimple_call_lhs is NULL.
2303 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2306 * emit-rtl.c (adjust_address_1): Make sure memref is never
2309 2009-01-20 Ben Elliston <bje@au.ibm.com>
2311 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2312 const qualifier from arg parameter. Remove unnecessary cast to char *.
2313 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2314 const qualifier from arg 2.
2316 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2318 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2320 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2323 * rtl.h (reinit_regs): New prototype.
2324 * regclass.c: Include ira.h.
2326 * Makefile.in (regclass.o): Add ira.h.
2327 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2329 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2332 * c-common.c (handle_aligned_attribute): Use
2333 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2334 default alignment value.
2336 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2338 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2339 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2341 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2342 __BIGGEST_ALIGNMENT__.
2344 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2346 2009-01-18 Richard Guenther <rguenther@suse.de>
2348 PR tree-optimization/38819
2349 * tree-flow.h (operation_could_trap_helper_p): Declare.
2350 * tree-eh.c (operation_could_trap_helper_p): Export.
2351 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2352 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2353 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2354 are about to insert a possibly trapping instruction and fail
2357 2009-01-18 Andreas Schwab <schwab@suse.de>
2359 * doc/install.texi (Configuration): Remove obsolete paragraph
2360 about use of --with-gnu-ld with --with-gnu-as.
2362 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2364 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2365 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2366 Follow spelling conventions.
2368 2009-01-18 Ben Elliston <bje@au.ibm.com>
2370 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2371 C++ warning about implicit conversion from void * to struct
2373 (bitmap_obstack_free): Likewise for bitmap_element *.
2374 * Makefile.in (bitmap.o-warn): Remove.
2376 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2378 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2380 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2381 Tobias Grosser <tobi.grosser@amd.com>
2383 * graphite.c (graphite_trans_scop_block): Do not block single
2386 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2388 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2389 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2390 test with assertion.
2392 2009-01-16 Richard Guenther <rguenther@suse.de>
2394 PR tree-optimization/38835
2396 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2397 and INT + PTR -> (INT)(PTR p+ INT) folding.
2398 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2400 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2403 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2404 the subreg from a lowpart subreg if it is also casting the value.
2406 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2407 Tobias Grosser <tobi.grosser@amd.com>
2409 * graphite.c (compare_prefix_loops): New.
2410 (build_scop_canonical_schedules): Rewritten.
2411 (graphite_transform_loops): Move build_scop_canonical_schedules
2412 after build_scop_iteration_domain.
2414 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2415 Tobias Grosser <tobi.grosser@amd.com>
2417 * graphite.c (add_conditions_to_domain): Add the loops to
2418 the dimension of the iteration domain. Do copy the domain
2419 only when it exists.
2420 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2421 (add_conditions_to_constraints): New.
2422 (can_generate_code_stmt, can_generate_code): Removed.
2423 (gloog): Do not call can_generate_code.
2424 (graphite_transform_loops): Call add_conditions_to_constraints
2425 after building the iteration domain.
2427 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2429 PR tree-optimization/38789
2430 * tree-ssa-threadedge.c
2431 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2432 __builtin_constant_p.
2434 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2436 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2437 examined before deleting them.
2439 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2441 * function.c (aggregate_value_p): Correctly extract the function
2442 type from CALL_EXPR_FN lookup.
2444 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2446 * config/picochip/picochip.c (picochip_override_options): Revert
2447 CFI asm flag disable commited previously.
2449 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2450 Tobias Grosser <tobi.grosser@amd.com>
2451 Jan Sjodin <jan.sjodin@amd.com>
2453 * graphite.c (scan_tree_for_params): On substractions negate
2454 all the coefficients of the term.
2455 (clast_to_gcc_expression_red): New. Handle reduction expressions
2456 of more than two operands.
2457 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2458 (get_vdef_before_scop): Handle also the case of default definitions.
2460 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2462 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2463 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2464 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2466 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2467 Joey Ye <joey.ye@intel.com>
2470 * cfgexpand.c (expand_stack_alignment): Don't update stack
2471 boundary nor check incoming stack boundary here.
2472 (gimple_expand_cfg): Update stack boundary and check incoming
2473 stack boundary here.
2475 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2477 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2479 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2481 PR rtl-optimization/38245
2482 * calls.c (expand_call): Add stack arguments to
2483 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2484 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2485 in regs and partially in memory or BLKmode arguments.
2486 (emit_library_call_value_1): Add stack arguments to
2487 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2488 ACCUMULATE_OUTGOING_ARGS).
2489 * dce.c: Include tm_p.h.
2490 (find_call_stack_args): New function.
2491 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2493 (mark_insn): Call find_call_stack_args for CALL_Ps.
2494 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2495 forwards. Allocate and free arg_stores bitmap if needed, pass it
2496 down to deletable_insn_p, don't mark stores set in arg_stores
2497 bitmap, clear the bitmap at the beginning of each bb.
2498 * Makefile.in (dce.o): Depend on $(TM_P_H).
2500 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2503 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2504 to make sure the insn is a conditional test (bug 22599). Reformat a
2507 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2510 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2511 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2512 (gloog): Do not call cleanup_tree_cfg.
2513 (graphite_transform_loops): Call cleanup_tree_cfg after all
2514 scops have been code generated.
2516 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2517 * doc/gty.texi (Invoking the garbage collector): Added new node
2518 and section documenting ggc_collect.
2520 2009-01-14 Richard Guenther <rguenther@suse.de>
2522 PR tree-optimization/38826
2524 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2525 initialization notes only if we actually emitted a warning.
2526 (intra_create_variable_infos): Add constraints for a result decl
2527 that is passed by hidden reference.
2528 (build_pred_graph): Mark all related variables non-direct on
2531 2009-01-14 Nick Clifton <nickc@redhat.com>
2533 * ira-conflicts.c: Include addresses.h for the definition of
2535 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2536 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2538 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2541 * Makefile.in (ira-lives.o): Add except.h.
2543 * ira-lives.c: Include except.h.
2544 (process_bb_node_lives): Process can_throw_internal.
2546 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2548 PR rtl-optimization/38774
2549 * combine.c (simplify_set): When undoing cc_use change, don't do
2550 PUT_CODE on the newly created comparison, but instead put back the
2553 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2555 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2556 values. Remove duplicate arm8 entry.
2558 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2560 PR tree-optimization/38786
2561 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2562 the SSA_NAME case of expand_scalar_variables_expr.
2563 Set the type of an expression to the type of its assign statement.
2564 (expand_scalar_variables_expr): Also gather the scalar computation
2565 used to index the memory access. Do not pass loop_p.
2566 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2567 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2568 the gimple_stmt_iterator where it inserts new code.
2570 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2571 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2573 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2575 * graphite.h (debug_value): Removed.
2576 * graphite.c (debug_value): Removed.
2578 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2580 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2581 ldrd/strd with two 32-bit instructions.
2583 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2585 * config/arm/arm.c (struct processors): Pass for speed down into
2586 cost helper functions.
2587 (const_ok_for_op): Handle COMPARE and inequality nodes.
2588 (arm_rtx_costs_1): Rewrite.
2589 (arm_size_rtx_costs): Update prototype.
2590 (arm_rtx_costs): Pass speed down to helper functions.
2591 (arm_slowmul_rtx_costs): Rework cost calculations.
2592 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2593 (arm_9e_rtx_costs): Likewise.
2595 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2597 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2598 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2599 (alpha_legitimize_address): Do not split local symbols wider than
2600 UNITS_PER_WORD into HIGH/LO_SUM parts.
2602 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2605 * gcc.c (process_command): Replace call to execvp with calls
2606 to pex_one and exit.
2608 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2611 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2612 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2613 variant for devices with 3-byte PC.
2614 (__tablejump_elpm__) : New.
2616 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2619 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2620 offsetof member-designator, handle it as `[0].'.
2622 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2624 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2625 function when not using named sections on targets with named sections
2626 if branch distance is less than 262132.
2628 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2630 * combine.c (combine_instructions): Recompute
2631 optimize_this_for_speed_p for each BB in the main combine loop.
2633 2009-01-12 Tomas Bily <tbily@suse.cz>
2636 * tree-loop-distribution.c (prop_phis): New function.
2637 (generate_builtin): Call prop_phis.
2638 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2640 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2642 PR tree-optimization/38807
2643 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2644 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2646 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2648 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2649 subreg of op0 to the original op0.
2651 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2653 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2655 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2658 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2659 starting with digits.
2661 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2664 * config/arm/arm.c (arm_is_long_call_p): Don't call
2665 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2667 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2669 * regrename.c (regrename_optimize): Fix dumping.
2670 (find_oldest_value_reg): Preserve REG_POINTER.
2671 (copy_hardreg_forward_1): Likewise.
2673 2009-01-09 Diego Novillo <dnovillo@google.com>
2675 * gimple.h (struct gimple_statement_base) <uid>: Document
2676 the restrictions on its use.
2678 (gimple_set_uid): Tidy.
2680 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2682 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2683 zero guard even if align_bytes != 0 and count is smaller than
2686 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2688 PR rtl-optimization/38495
2689 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2690 (add_range_and_copies_from_move_list): Print all added ranges.
2691 Add ranges to memory optimized destination.
2693 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2697 * config/i386/i386.c (override_options): Reject
2698 -mstringop-strategy=rep_8byte with -m32.
2699 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2700 to 1. Do count comparison against epilogue_size_needed at compile
2701 time even when count_exp was constant forced into register. For
2702 size_needed don't jump to epilogue, instead just avoid aligning
2703 and invoke the body algorithm. If need_zero_guard, add zero guard
2704 even if count is non-zero, but smaller than size_needed + number of
2705 bytes that could be stored for alignment.
2706 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2707 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2708 but smaller than size_needed + number of bytes that could be stored
2709 for alignment. Compare size_needed with epilogue_size_needed instead
2710 of desired_align - align, don't adjust size_needed, pass
2711 epilogue_size_needed to the epilogue expanders.
2714 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2716 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2718 * pa.c (last_address): Change to unsigned.
2719 (update_total_code_bytes): Change argument to unsigned. Don't
2720 check if insn addresses are set.
2721 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2722 addresses are not set.
2723 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2725 2009-01-09 Nick Clifton <nickc@redhat.com>
2727 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2728 DECL_DECLARED_INLINE_P.
2730 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2733 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2734 GET_MODE (op0) in operand_subword_force calls.
2737 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2738 fold_convert arg0 operands to TREE_TYPE (op0) first.
2740 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2742 * params.def (ira-max-conflict-table-size): Decrease default value
2745 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2747 PR tree-optimization/37031
2748 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2750 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2751 allocate it using gc instead of heap, use VEC_quick_push instead of
2753 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2754 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2755 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2756 allocated vector from heap allocated.
2757 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2758 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2759 vector only after perfect_loop_nest_depth call.
2761 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2762 Jan Sjodin <jan.sjodin@amd.com>
2764 PR tree-optimization/38559
2765 * graphite.c (debug_value, copy_constraint,
2766 swap_constraint_variables, scale_constraint_variable, ): New.
2767 (get_lower_bound, get_upper_bound): Removed.
2768 (graphite_trans_bb_strip_mine): Clean up this code that works
2769 only for constant number of iterations. Fully copy upper and
2770 lower bound constraints, not only the constant part of them.
2771 * graphite.h (debug_value): Declared.
2773 2009-01-08 Ira Rosen <irar@il.ibm.com>
2775 PR tree-optimization/37194
2776 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2777 Don't add the cost of cost model guard in prologue to scalar
2778 outside cost in case of known number of iterations.
2780 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2781 Alan Modra <amodra@bigpond.net.au>
2783 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2784 non-word-aligned REG+CONST addressing.
2786 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2789 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2790 free_after_compilation when outputting a thunk.
2791 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2792 Do not call free_after_compilation here.
2794 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2796 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2797 (ix86_valid_target_attribute_inner_p): Ditto.
2799 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2801 PR tree-optimization/38492
2802 PR tree-optimization/38498
2803 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2804 * tree-chrec.h (scev_is_linear_expression): Declared.
2805 * graphite.c (graphite_cannot_represent_loop_niter): New.
2806 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2807 (graphite_loop_normal_form): Use gcc_assert.
2808 (scan_tree_for_params): Use CASE_CONVERT.
2809 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2810 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2811 Use gcc_assert. Discard scops that contain unhandled cases.
2812 (build_scop_conditions): Return a boolean status for unhandled cases.
2813 (strip_mine_profitable_p): Print the loop number, not its depth.
2814 (is_interchange_valid): Pass the depth of the loop nest, don't
2815 recompute it wrongly.
2816 (graphite_trans_bb_block): Same.
2817 (graphite_trans_bb_block): Print tentative of loop blocking.
2818 (graphite_trans_scop_block): Do not print that the loop has been
2820 (graphite_transform_loops): Do not handle scops that contain condition
2823 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2825 AVX Programming Reference (December, 2008)
2826 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2827 (_mm256_stream_pd): Likewise.
2828 (_mm256_stream_ps): Likewise.
2830 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2831 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2832 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2833 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2834 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2835 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2836 (ix86_expand_special_args_builtin): Likewise.
2838 * config/i386/sse.md (AVXMODEDI): New.
2839 (avx_movnt<mode>): Likewise.
2840 (avx_movnt<mode>): Likewise.
2841 (<sse>_movnt<mode>): Remove AVX support.
2842 (sse2_movntv2di): Likewise.
2844 2009-01-07 Richard Guenther <rguenther@suse.de>
2847 * fold-const.c (extract_muldiv): Remove obsolete comment.
2848 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2849 to PLUS_EXPR canonicalization for the canonicalization.
2851 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2853 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2854 hosted cross-compilers generating less efficient code.
2856 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2858 * function.h (rtl_data): Add a dbr_scheduled_p field.
2859 * reorg.c (dbr_schedule): Set it.
2860 (gate_handle_delay_slots): Check it.
2861 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2862 (mips_reorg): Check flag_delayed_branch instead of
2863 mips_base_delayed_branch.
2864 (mips_override_options): Don't set mips_base_delayed_branch
2865 or flag_delayed_branch.
2867 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2869 PR rtl-optimization/38426.
2870 * ira.c (ira): Set current_function_is_leaf earlier.
2872 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2874 PR rtl-optimization/38722
2875 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2876 too early, only set a flag and modify after last possible
2879 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2882 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2883 * real.c (decimal_single_format): Correct values of emin and emax.
2884 (decimal_double_format): Ditto.
2885 (decimal_quad_format): Ditto.
2886 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2887 computation of DECnn_MIN and DECnn_MAX for corrected values of
2888 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2889 __DECnn_MIN__, and adjust its computation for the corrected value
2892 2009-01-06 Jan Hubicka <jh@suse.cz>
2895 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2897 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2899 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2900 Add Robert Clark to the list of testers.
2902 2009-01-06 Jan Hubicka <jh@suse.cz>
2903 Kai Tietz <kai.tietz@onevision.com>
2905 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2906 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2908 2009-01-06 Jan Hubicka <jh@suse.cz>
2909 Kai Tietz <kai.tietz@onevision.com>
2911 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2913 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2914 (ix86_nsaved_regs): Count only general purpose regs.
2915 (ix86_nsaved_sseregs): New.
2916 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2917 to 16 for w64; compute padding and size of sse reg save area.
2918 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2919 general purpose regs.
2920 (ix86_emit_save_sse_regs_using_mov): New.
2921 (ix86_expand_prologue): Save SSE regs if needed.
2922 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2923 (ix86_emit_restore_sse_regs_using_mov): New.
2924 (ix86_expand_epilogue): Save SSE regs if needed.
2926 2009-01-06 Jan Hubicka <jh@suse.cz>
2927 Kai Tietz <kai.tietz@onevision.com>
2929 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2930 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2931 functions when accumulate outgoing args is off.
2933 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2936 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2937 before using pseudos_have_intersected_live_ranges_p.
2939 * ira-int.h (ira_assert): Always define.
2941 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2943 AVX Programming Reference (December, 2008)
2944 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2945 (_mm256_permute2_pd): Likewise.
2946 (_mm_permute2_ps): Likewise.
2947 (_mm256_permute2_ps): Likewise.
2948 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2949 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2951 * config/i386/i386.c (ix86_builtins): Remove
2952 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2953 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2954 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2955 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2956 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2957 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2958 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2959 __builtin_ia32_vpermil2ps256.
2960 (ix86_init_mmx_sse_builtins): Updated.
2961 (ix86_expand_args_builtin): Likewise.
2963 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2965 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2966 long absolute calls when generating PA 2.0 code.
2968 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2970 PR rtl-optimization/38583
2971 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2973 * params.def (ira-max-conflict-table-size): New.
2975 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2977 * ira.h (ira_conflicts_p): New external definition.
2979 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2980 table. Report this. Return result of building.
2981 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2982 building conflict table.
2984 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2985 (ira_color): Use ira_conflicts_p.
2987 * global.c: Include ira.h.
2988 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2991 * Makefile.in (global.o): Add ira.h.
2993 * ira-build.c (mark_all_loops_for_removal,
2994 propagate_some_info_from_allocno): New.
2995 (remove_unnecessary_allocnos): Call
2996 propagate_some_info_from_allocno.
2997 (remove_low_level_allocnos): New.
2998 (remove_unnecessary_regions): Add parameter. Call
2999 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3000 parameter to remove_unnecessary_regions.
3001 (ira_build): Remove all regions but root if the conflict table was
3002 not built. Update conflict hard regs for allocnos crossing calls.
3004 * ira.c (ira_conflicts_p): New global.
3005 (ira): Define and use ira_conflicts_p.
3007 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3008 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3009 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3011 2009-01-06 Ben Elliston <bje@au.ibm.com>
3013 * gengtype-lex.l (YY_NO_INPUT): Define.
3015 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3018 * c-common.c (handle_vector_size_attribute): Also reject
3021 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3023 PR tree-optimization/38492
3024 * graphite.c (rename_map_elt, debug_rename_elt,
3025 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3026 rename_map_elt_info, eq_rename_map_elts,
3027 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3028 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3029 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3030 (sese_build_livein_liveouts): New.
3031 (new_sese, free_sese): New.
3032 (new_scop): Call new_sese.
3033 (free_scop): Call free_sese.
3034 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3035 (register_old_new_names): Renamed register_old_and_new_names.
3036 (register_scop_liveout_renames, add_loop_exit_phis,
3037 insert_loop_close_phis, struct igp,
3038 default_liveout_before_guard, add_guard_exit_phis,
3039 insert_guard_phis, copy_renames): New.
3040 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3041 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3042 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3043 (scop_adjust_phis_for_liveouts): New.
3044 (gloog): Call scop_adjust_phis_for_liveouts.
3046 * graphite.h (struct sese): Documented. Added fields liveout,
3048 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3049 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3050 (struct scop): Added field liveout_renames.
3051 (SCOP_LIVEOUT_RENAMES): New.
3053 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3055 PR tree-optimization/38510
3056 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3057 (translate_clast): Call recompute_all_dominators before
3059 (gloog): Call recompute_all_dominators before graphite_verify.
3061 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3062 Jan Sjodin <jan.sjodin@amd.com>
3064 PR tree-optimization/38500
3065 * graphite.c (create_sese_edges): Call fix_loop_structure after
3068 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3070 * config.gcc: Add m32r*-*-rtems*.
3071 * config/m32r/rtems.h: New file.
3073 2009-01-05 Ben Elliston <bje@au.ibm.com>
3075 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3076 (.po.pox): Likewise.
3077 (po/gcc.pot): Likewise.
3079 2009-01-04 David S. Miller <davem@davemloft.net>
3081 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3082 (STARTING_FRAME_OFFSET): Always set to zero.
3084 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3086 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3087 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3088 fixed-point types, and vectors of the same.
3090 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3092 * config/mips/sync.md (*mb_barrier): Rename to...
3093 (*memory_barrier): ...this.
3095 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3097 * doc/extend.texi (Function Attributes): Move @cindex after @item
3098 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3099 and put in alphabetical order. Fix 'target' name and put in order.
3100 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3103 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3105 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3106 (memory_barrier): Expand as unspec instead of unspec_volatile.
3107 Remove mem:BLK from insn operands. Use Pmode scratch register.
3108 (*memory_barrier): Define as unspec instead of unspec_volatile.
3109 Use (match_dup 0) as input operand.
3111 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3112 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3113 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3114 scratch register. Remove operand 1.
3115 (*stbar): Define as unspec instead of unspec_volatile.
3116 Use (match_dup 0) as input operand, remove (const_int 8).
3117 (*membar): Define as unspec instead of unspec_volatile.
3118 Use (match_dup 0) as input operand, remove input operand 2.
3120 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3121 (memory_barrier): Expand as unspec instead of unspec_volatile.
3122 Remove mem:BLK from insn operands. Use Pmode scratch register.
3123 (*memory_barrier): Define as unspec instead of unspec_volatile.
3124 Use (match_dup 0) as input operand.
3126 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3127 Remove mem:BLK from insn operands. Use Pmode scratch register.
3128 Set volatile flag on operand 0.
3129 (*memory_barrier): New insn pattern.
3131 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3133 (*memory_barrier): Use (match_dup 0) as input operand.
3135 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3136 Remove mem:BLK from insn operands. Use Pmode scratch register.
3137 Set volatile flag on operand 0.
3138 (*mb_internal): New insn pattern.
3140 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3142 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3145 * function.c (struct temp_slot): Move to the section of the file
3146 that deals with temp slots. Remove field 'address'.
3147 (temp_slot_address_table): New hash table of address -> temp slot.
3148 (struct temp_slot_address_entry): New struct, items for the table.
3149 (temp_slot_address_compute_hash, temp_slot_address_hash,
3150 temp_slot_address_eq, insert_temp_slot_address): Support functions
3152 (find_temp_slot_from_address): Rewrite to use the new hash table.
3153 (remove_unused_temp_slot_addresses): Remove addresses of temp
3154 slots that have been made available.
3155 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3156 worker function for remove_unused_temp_slot_addresses.
3157 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3158 Add the temp slot address to the address -> temp slot map.
3159 (update_temp_slot_address): Update via insert_temp_slot_address.
3160 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3161 (pop_temp_slots): Likewise.
3162 (init_temp_slots): Allocate the address -> temp slot map, or empty
3163 the map if it is already allocated.
3164 (prepare_function_start): Initialize temp slot processing.
3166 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3169 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3170 Calculate the size of all stack vars assuming no packing of stack
3171 vars will happen, replacing a quadratic algorithm with a linear one.
3173 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3176 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3179 2009-01-03 Diego Novillo <dnovillo@google.com>
3181 * doc/contrib.texi: Update contributions.
3183 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3186 * builtins.c (fold_builtin_memory_op): Give up if either operand
3187 is volatile. Set srctype or desttype to non-qualified version
3191 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3194 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3196 PR rtl-optimization/35805
3197 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3198 problem if fast dce is able to remove any instructions.
3199 * dce.c (dce_process_block): Fix dump message.
3201 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3204 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3206 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3209 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3210 * tree-pretty-print.c (op_code_prio): New function.
3211 (op_prio): No longer static. Use op_code_prio.
3212 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3213 Use op_prio and op_code_prio to determine if () should be
3214 printed around operand(s) or not.
3216 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3217 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3218 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3219 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3220 pp_character instead of pp_string for single letter printing.
3222 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3224 * doc/extend.texi: Fix '#pragma GCC option' typo.
3226 2009-01-02 Richard Guenther <rguenther@suse.de>
3228 * doc/install.texi (--enable-checking): Mention different
3230 (--enable-stage1-checking): Document.
3232 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3235 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3236 case to be an error.
3238 2009-01-02 Ben Elliston <bje@au.ibm.com>
3240 * config/fp-bit.h (pack_d): Constify argument.
3241 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3242 (isnan): Constify argument.
3246 (_fpadd_parts): Constify return type.
3247 (_fpmul_parts): Likewise.
3248 (_fpdiv_parts): Likewise.
3250 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3253 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3254 warn about overwriting initializer with side-effects or
3255 -Woverride-init if !IMPLICIT.
3256 (output_init_element): Likewise. Pass IMPLICIT down to
3258 (process_init_element): Add IMPLICIT argument. Pass it down
3259 to output_init_element.
3260 (push_init_element, pop_init_level, set_designator): Adjust
3261 process_init_element callers.
3262 (set_nonincremental_init, set_nonincremental_init_from_string):
3263 Adjust add_pending_init callers.
3264 (output_pending_init_elements): Adjust output_init_element callers.
3265 * c-tree.h (process_init_element): Adjust prototype.
3266 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3267 process_init_element callers.