1 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3 * configure.ac <GAS features, nop mnemonic>: Add pattern
5 <GAS features, Thread-local storage>: Add item for CRIS and
7 * configure: Regenerate.
9 2009-03-24 Ira Rosen <irar@il.ibm.com>
11 PR tree-optimization/39529
12 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
13 mark_sym_for_renaming for the tag copied to the new vector
16 2009-03-24 Arthur Loiret <aloiret@debian.org>
18 * config.host (alpha*-*-linux*): Use driver-alpha.o and
20 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
22 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
23 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
24 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
25 -march and -mtune options.
27 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
29 * config/m68k/t-rtems: Add m5329 multilib.
31 2009-03-24 Dodji Seketeli <dodji@redhat.com>
32 Jakub Jelinek <jakub@redhat.com>
35 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
38 2009-03-23 Jakub Jelinek <jakub@redhat.com>
41 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
42 instead of c_parser_expression_conv, if original_code isn't one of the
43 4 allowed comparison codes, fail.
45 2009-03-23 Richard Guenther <rguenther@suse.de>
47 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
48 * tree.h (struct tree_type): Likewise.
49 * reload.h (struct insn_chain): Likewise.
50 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
51 * function.h (struct function): Likewise.
52 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
54 2009-03-23 Jakub Jelinek <jakub@redhat.com>
56 PR tree-optimization/39516
57 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
59 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
61 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
62 should be set true if BITS_PER_WORD of target is bigger than 32
64 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
66 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
67 Translate -B-options to -rpath-link. Correct existing
68 rpath-link and conditionalize on !nostdlib.
70 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
72 * doc/extend.texi (Function Attributes, Variable Attributes):
74 * doc/invoke.texi (Debugging Options, Optimize Options)
75 (i386 and x86-64 Options, MCore Options): Likewise.
77 2009-03-20 Jakub Jelinek <jakub@redhat.com>
80 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
81 it for block local namespace aliases.
82 (gen_decl_die): Pass context_die to gen_namespace_die.
84 2009-03-19 Jakub Jelinek <jakub@redhat.com>
87 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
88 minimum or maximum value.
90 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
92 * reginfo.c (globalize_reg): Recompute derived reg sets.
94 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
97 * libgcc2.c (mprotect): Do not use signed arguments for
98 VirtualProtect, use DWORD arguments. Also fix the 'may
99 be used uninitialized' warning for the np variable.
101 2009-03-19 Jakub Jelinek <jakub@redhat.com>
104 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
105 functions using regparm calling conventions when not optimizing.
106 (ix86_function_sseregparm): Similarly for sseregparm calling
109 2009-03-19 Li Feng <nemokingdom@gmail.com>
112 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
113 dependence if the first conflict is after niter iterations.
115 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
118 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
119 functions with dynamic stack-pointer adjustments.
121 2009-03-19 Ben Elliston <bje@au.ibm.com>
123 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
124 option; change to -msdata=data.
126 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
128 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
131 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
134 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
136 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
138 * doc/invoke.texi (Code Gen Options): Expand discussion of
141 2009-03-18 Jakub Jelinek <jakub@redhat.com>
143 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
144 * matrix-reorg.c (struct matrix_info): Likewise.
145 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
146 * rtl.h (struct mem_attrs): Likewise.
147 * df.h (struct df): Likewise.
148 * tree-data-ref.h (struct data_dependence_relation): Likewise.
149 * ira-int.h (struct ira_allocno): Likewise.
150 * df-scan.c (struct df_collection_rec): Likewise.
151 * ira.c (struct equivalence): Likewise.
152 * function.c (struct temp_slot): Likewise.
153 * cfgloop.h (struct loop): Likewise.
156 * function.c (use_register_for_decl): When not optimizing, disregard
157 register keyword for variables with types containing methods.
159 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
162 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
163 (is_simple_operand): Call contains_component_ref_p before calling data
164 reference analysis that would fail on COMPONENT_REFs.
166 * tree-vrp.c (search_for_addr_array): Fix formatting.
168 2009-03-18 Richard Guenther <rguenther@suse.de>
170 * tree-vect-transform.c (vect_loop_versioning): Fold the
171 generated comparisons.
172 * tree-vectorizer.c (set_prologue_iterations): Likewise.
173 (slpeel_tree_peel_loop_to_edge): Likewise.
175 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
178 * opts.c (print_specific_help): In addition to `undocumented',
179 accept `separate' and `joined' flags if passed alone. Describe
180 output by the first matched one of those.
181 (common_handle_option): Skip over empty strings.
182 * gcc.c (display_help): Fix help string for `--help='.
183 * doc/invoke.texi (Option Summary, Overall Options): With
184 `--help=', classes and qualifiers can both be repeated, but
185 only the latter can be negated. One should not pass only
186 negated qualifiers. Fix markup and examples.
189 2008-10-14 Jakub Jelinek <jakub@redhat.com>
191 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
194 2009-03-17 Jing Yu <jingyu@google.com>
197 * function.h (struct rtl_data): Move is_thunk from here...
198 (struct function): ...to here.
199 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
200 * varasm.c (assemble_start_function): Change is_thunk from crtl to
202 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
204 (alpha_does_function_need_gp, alpha_start_function): Likewise.
205 (alpha_output_function_end_prologue): Likewise.
206 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
207 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
208 (rs6000_output_function_epilogue): Likewise.
209 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
211 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
214 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
215 from different units in a single alternative.
216 (*truncdfsf_i387): Ditto.
217 (*truncxfsf2_mixed): Ditto.
218 (*truncxfdf2_mixed): Ditto.
220 2009-03-17 Jakub Jelinek <jakub@redhat.com>
222 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
223 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
226 * tree-ssa-live.c (remove_unused_locals): Don't remove local
227 unused non-artificial variables when not optimizing.
230 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
231 DW_TAG_imported_module even if decl is IMPORTED_DECL with
232 NAMESPACE_DECL in its DECL_INITIAL.
235 * optabs.c (set_user_assembler_libfunc): New function.
236 * expr.h (set_user_assembler_libfunc): New prototype.
237 * c-common.c: Include libfuncs.h.
238 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
239 for memcmp, memset, memcpy, memmove and abort.
240 * Makefile.in (c-common.o): Depend on libfuncs.h.
243 * dwarf2out.c (gen_inlined_enumeration_type_die,
244 gen_inlined_structure_type_die, gen_inlined_union_type_die,
245 gen_tagged_type_instantiation_die): Removed.
246 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
249 2009-03-17 Janis Johnson <janis187@us.ibm.com>
252 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
254 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
255 (check-parallel-%): Ditto.
256 (check-consistency): Ditto.
258 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
260 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
261 local variable rhs by NULL_TREE.
263 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
266 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
268 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
271 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
273 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
276 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
277 for ms->sysv ABI calls only in 64bit mode.
279 * config/i386/i386.md (untyped_call): Support 32bit.
281 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
283 * doc/extend.texi: Replace x86_65 with x86_64.
285 2009-03-16 Jakub Jelinek <jakub@redhat.com>
287 PR tree-optimization/39455
288 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
289 mismatches for POINTER_TYPE_P (type).
290 (number_of_iterations_le): Likewise.
292 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
294 * config/picochip/picochip.c: Removed profiling support.
295 * config/picochip/picochip.md: Removed profiling instruction.
296 * config/picochip/picochip.h: Removed profiling builtin.
298 2009-03-16 Joseph Myers <joseph@codesourcery.com>
300 * doc/install.texi (--with-host-libstdcxx): Document.
302 2009-03-14 Anatoly Sokolov <aesok@post.ru>
305 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
306 generate a warning if the function name does not begin with
307 "__vector" and the function has either the 'signal' or 'interrupt'
308 attribute, from here to ...
309 (avr_declare_function_name): ...here. New function.
310 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
311 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
313 2009-03-14 Jakub Jelinek <jakub@redhat.com>
316 * cse.c (fold_rtx): Don't modify original const_arg1 when
317 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
318 separate variable instead.
319 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
320 from out of range shift counts.
321 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
323 2008-03-13 Catherine Moore <clm@codesourcery.com>
325 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
326 diagnostic.h with $(DIAGNOSTIC_H).
328 2008-03-12 Jakub Jelinek <jakub@redhat.com>
331 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
333 * config/i386/sync.md (sync_compare_and_swap<mode>,
334 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
335 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
337 (sync_double_compare_and_swapdi_pic,
338 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
339 cmpxchg8b_pic_memory_operand instead of just memory_operand.
341 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
344 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
346 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
349 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
350 (avx_addsubv4df3): Likewise.
351 (*avx_addsubv4sf3): Likewise.
352 (sse3_addsubv4sf3): Likewise.
354 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
357 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
359 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
362 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
363 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
364 registers for allocnos created from user-defined variables.
366 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
369 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
370 of non-integer mode as well.
372 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
374 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
375 for functions for which the parameter types are unknown.
377 2009-03-11 Jakub Jelinek <jakub@redhat.com>
380 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
381 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
382 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
383 * config/i386/i386.c (ix86_local_alignment): For
384 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
385 long long variables on the stack to avoid dynamic realignment.
386 Allow the first argument to be a decl rather than type.
387 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
389 2009-03-11 Nick Clifton <nickc@redhat.com>
392 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
394 Add description to mno-lsim option.
395 * config/mcore/mcore.h: Remove comment about deprecated m4align
397 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
398 * doc/invoke.texi: Add description of mno-lsim and
399 mstack-increment options.
401 * config/fr30/fr30.opt: Document the -mno-lsim option.
402 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
403 and -mno-lsim options.
405 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
407 * fold-const.c (fold_comparison): Only call fold_inf_compare
408 if the mode supports infinities.
410 2009-03-11 Jason Merrill <jason@redhat.com>
413 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
414 end already did. Notice GIMPLE_CALL modifications of the result.
415 Don't copy debug information from an ignored decl or a decl from
418 2009-03-10 Richard Guenther <rguenther@suse.de>
419 Nathan Froyd <froydnj@codesourcery.com>
422 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
423 (__divMODE3): Likewise.
425 2009-03-09 Jakub Jelinek <jakub@redhat.com>
427 PR tree-optimization/39394
428 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
429 DECL_SIZE_UNIT of variable length FIELD_DECLs.
431 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
433 * recog.c (verfiy_changes): Disallow renaming of hard regs in
434 inline asms for register asm ("") declarations.
436 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
438 * fold-const.c (fold_unary): Fix comment.
440 2009-03-07 Jan Hubicka <jh@suse.cz>
443 * tree-inline.c (setup_one_parameter): Do replacement of const argument
444 by constant in SSA form.
446 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
449 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
450 determine alignment passed to assign_stack_local.
451 (assign_parms_unsplit_complex): Likewise.
452 * except.c (sjlj_build_landing_pads): Likewise.
454 2009-03-06 Jakub Jelinek <jakub@redhat.com>
457 * tree-flow.h (add_referenced_var): Return bool instead of void.
458 * tree-dfa.c (add_referenced_var): Return result of
459 referenced_var_check_and_insert call.
460 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
461 of referenced_var_check_and_insert.
464 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
465 (gen_variable_die): Emit DW_AT_location on abstract static variable's
466 DIE, don't emit it if abstract origin already has it.
467 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
468 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
470 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
472 * genpreds.c: (needs_variable): Fix parentheses at variable name
474 (write_tm_constrs_h): Indent generated code.
476 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
478 * doc/extend.texi (Function Attributes): Add documentation
481 2009-03-06 Jakub Jelinek <jakub@redhat.com>
484 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
485 take locus from its DECL_SOURCE_LOCATION instead of input_location.
487 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
489 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
492 2009-03-05 Jakub Jelinek <jakub@redhat.com>
495 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
496 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
498 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
500 * config/i386/i386.md (R8_REG, R9_REG): New constants.
501 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
502 constants instead of magic numbers.
503 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
505 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
506 (x86_64_ms_abi_int_parameter_registers): Ditto.
507 (x86_64_int_return_registers): Ditto.
508 (ix86_maybe_switch_abi): Ditto.
509 (ix86_expand_call): Ditto for clobbered_registers array.
510 (ix86_hard_regno_mode_ok): Ditto.
511 (x86_extended_QIreg_mentioned_p): Ditto.
513 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
515 PR tree-optimization/39349
516 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
518 * combine.c (gen_lowpart_for_combine): Use omode when generating
521 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
523 PR rtl-optimization/39235
524 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
526 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
528 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
530 2009-03-04 Richard Guenther <rguenther@suse.de>
532 PR tree-optimization/39362
533 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
534 that occur in abnormal PHIs should be varying.
536 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
538 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
540 (simple_iv): Take loop as an argument instead of statement.
541 * tree-scalar-evolution.h (simple_iv): Declaration changed.
542 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
544 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
546 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
547 * matrix-reorg.c (analyze_transpose): Ditto.
548 * tree-data-ref.c (dr_analyze_innermost): Ditto.
549 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
550 * tree-predcom.c (ref_at_iteration): Ditto.
551 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
553 2009-03-04 Richard Guenther <rguenther@suse.de>
555 PR tree-optimization/39358
556 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
557 escaped_id and callused_id.
558 (solve_graph): Likewise.
560 2009-03-04 Richard Guenther <rguenther@suse.de>
562 PR tree-optimization/39339
563 * tree-sra.c (try_instantiate_multiple_fields): Make it
564 no longer ICE on the above.
566 2009-03-03 Joseph Myers <joseph@codesourcery.com>
568 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
569 that fits within Pmode.
571 2009-03-03 Steve Ellcey <sje@cup.hp.com>
574 * tm.texi (LIBCALL_VALUE): Update description.
576 2009-03-03 Steve Ellcey <sje@cup.hp.com>
579 * doc/extend.texi (section): Update description.
581 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
584 * tree-inline.c (remapped_type): New.
585 (can_be_nonlocal): Call remapped_type instead of remap_type.
587 2009-03-03 Jakub Jelinek <jakub@redhat.com>
590 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
591 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
593 2009-03-03 Richard Guenther <rguenther@suse.de>
596 * tree.c (tree_nonartificial_location): New function.
597 * tree.h (tree_nonartificial_location): Declare.
598 * builtins.c (expand_builtin_memory_chk): Provide location
599 of the call location for artificial function pieces.
600 (maybe_emit_chk_warning): Likewise.
601 (maybe_emit_sprintf_chk_warning): Likewise.
602 (maybe_emit_free_warning): Likewise.
603 * expr.c (expand_expr_real_1): Likewise.
605 2009-03-03 Jakub Jelinek <jakub@redhat.com>
607 PR tree-optimization/39343
608 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
609 COMPONENT_REF t has ARRAY_TYPE.
611 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
614 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
615 when the type precision of the induction variable should be
616 larger than the type precision of nit.
617 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
618 * graphite.c (graphite_loop_normal_form): Same.
619 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
621 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
623 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
624 (*call_1_rex64_ms_sysv): Use named constants instead of magic
625 numbers to describe clobbered registers.
626 (*call_value_0_rex64_ms_sysv): Ditto.
627 * config/i386/mmx.md (mmx_emms): Ditto.
630 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
632 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
635 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
637 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
638 (spu_section_type_flags): New function.
640 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
642 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
643 reg_class_contents of FLOAT_REGS into a temporary.
645 2009-03-02 Richard Guenther <rguenther@suse.de>
646 Ira Rosen <irar@il.ibm.com>
648 PR tree-optimization/39318
649 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
650 information to the vectorized statement.
652 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
654 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
655 variable. Use defined names instead of magic constants for REX SSE
658 2009-03-01 Richard Guenther <rguenther@suse.de>
660 PR tree-optimization/39331
661 * omp-low.c (lower_send_shared_vars): Do not receive new
662 values for the reference of DECL_BY_REFERENCE parms or results.
664 2009-03-01 Jan Hubicka <jh@suse.cz>
667 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
668 BLOCK_NONLOCALIZED_VAR): New macros.
669 (tree_block): Add nonlocalized_vars.
670 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
671 gen_decl_die): Add origin argument. Allow generation of die with
673 (gen_member_die, gen_type_die_with_usage, force_decl_die,
674 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
676 (gen_block_die): Fix checking for unused blocks.
677 (process_scope_var): Break out from .... ; work with origins only.
678 (decls_for_scope) ... here; process nonlocalized list.
679 (dwarf2out_ignore_block): Look for nonlocalized vars.
680 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
682 (dump_scope_block): Dump them.
683 * tree-inline.c (remap_decls): Handle nonlocalized vars.
684 (remap_block): Likewise.
685 (can_be_nonlocal): New predicate.
686 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
688 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
690 * configure: Regenerate.
692 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
694 * optc-gen.awk: No need to duplicate option flags twice.
695 Reuse help texts for duplicate options which do not have any.
697 * gcc.c (display_help): Document --version.
699 * gcc.c (main): If print_help_list and verbose_flag, ensure
700 driver output comes before subprocess output.
702 * optc-gen.awk: Assign all remaining fields to help string,
703 space-separated, for multi-line help in *.opt.
705 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
706 -Wno-pedantic-ms-format is for MinGW targets only.
708 * doc/options.texi (Option file format): Fix bad indentation,
709 restoring dropped sentence.
711 2009-02-28 Jan Hubicka <jh@suse.cz>
713 * tree-inline.c (tree_function_versioning): Output debug info.
715 2009-02-28 Jan Hubicka <jh@suse.cz>
718 * tree-inline.c (setup_one_parameter): Do not copy propagate
719 arguments when not optimizing.
721 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
724 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
725 (avx_addsubv4df3): Likewise.
726 (*avx_addsubv4sf3): Likewise.
727 (sse3_addsubv4sf3): Likewise.
728 (*avx_addsubv2df3): Likewise.
729 (sse3_addsubv2df3): Likewise.
730 (avx_unpckhps256): Correct item selectors.
731 (avx_unpcklps256): Likewise.
732 (avx_unpckhpd256): Likewise.
733 (avx_unpcklpd256): Likewise.
735 2009-02-28 Jan Hubicka <jh@suse.cz>
737 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
739 (copy_arguments_for_versioning): If var is declared don't declare it.
740 (tree_function_versioning): First setup substitutions and then copy
743 2009-02-27 Jan Hubicka <jh@suse.cz>
746 * cgraph.h (varpool_output_debug_info): Remove.
747 * cgraphunit.c (varpool_output_debug_info): Remove.
748 * dwarf2out.c (deferred_locations_struct): New struct
749 (deferred_locations): New type.
750 (deferred_locations_list): New static var.
751 (deffer_location): New function.
752 (gen_variable_die): Use it.
753 (decls_for_scope): Output info on local static vars.
754 (dwarf2out_finish): Process deferred locations.
755 * varpool.c (varpool_output_debug_info): Remove.
757 2009-02-27 Jan Hubicka <jh@suse.cz>
760 * tree.h (TREE_PROTECTED): Fix comment.
761 (BLOCK_HANDLER_BLOCK): Remove.
762 (struct tree_block): Remove handler_block add body_block.
763 (inlined_function_outer_scope_p): New.
764 (is_body_block): Remove.
765 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
766 * dwarf2out.c (is_inlined_entry_point): Remove.
767 (add_high_low_attributes): Use inlined_function_outer_scope_p.
768 (gen_block_die): Use is_inlined_entry_point check. Remove body block
770 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
771 * gimplify.c (gimplify_expr): Gimplify body blocks.
772 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
773 block with multiple subblocks.
774 (dump_scope_block): Prettier output; dump more flags and info.
775 (dump_scope_blocks): New.
776 (remove_unused_locals): Use dump_scope_blocks.
777 * tree-flow.h (dump_scope_blocks): Declare.
778 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
779 * stmt.c (is_body_block): Remove.
780 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
781 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
783 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
786 * graphite.c (graphite_loop_normal_form): Do not call
787 number_of_iterations_exit from a gcc_assert.
789 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
791 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
792 jumps if COND is NULL.
793 (find_cond_jump): New function.
794 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
795 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
797 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
799 * config/alpha/alpha.h (alpha_expand_mov): Return false if
800 force_const_mem returns NULL_RTX.
802 2009-02-26 Jan Hubicka <jh@suse.cz>
805 * cgraph.h (varpool_output_debug_info): Remove.
806 * cgraphunit.c (varpool_output_debug_info): Remove.
807 * dwarf2out.c (deferred_locations_struct): New struct
808 (deferred_locations): New type.
809 (deferred_locations_list): New static var.
810 (deffer_location): New function.
811 (gen_variable_die): Use it.
812 (decls_for_scope): Output info on local static vars.
813 (dwarf2out_finish): Process deferred locations.
814 * varpool.c (varpool_output_debug_info): Remove.
816 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
818 PR rtl-optimization/39241
819 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
820 to subreg_offset_representable_p.
822 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
824 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
825 execute function prototype. Get f and nregs from max_reg_num
826 and get_insns. Remove the first backward pass as it's dead,
827 guard the forward pass by flag_expensive_optimizations.
828 (rest_of_handle_regmove): Delete.
829 (pass_regmove): Replace it with regmove_optimize.
831 2009-02-25 Martin Jambor <mjambor@suse.cz>
833 PR tree-optimization/39259
834 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
835 calls_alloca function flags.
836 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
839 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
841 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
842 flags_set_1_rtx, flags_set_1_set): Delete.
843 (regmove_optimize): Do not call mark_flags_life_zones.
845 2009-02-24 Julian Brown <julian@codesourcery.com>
848 * config/arm/arm.c (require_pic_register): Only set
849 cfun->machine->pic_reg once per function.
851 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
853 * doc/invoke.texi (Link Options): Document an easier way to pass
854 options that take arguments to the GNU linker using -Xlinker and -Wl.
856 2009-02-24 Steve Ellcey <sje@cup.hp.com>
859 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
861 2009-02-24 Richard Guenther <rguenther@suse.de>
864 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
866 2009-02-24 Richard Guenther <rguenther@suse.de>
867 Zdenek Dvorak <ook@ucw.cz>
869 PR tree-optimization/39233
870 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
871 from converting them to a generic type.
873 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
875 PR tree-optimization/39260
876 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
877 contains a condition with a real type.
878 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
880 2009-02-23 Jason Merrill <jason@redhat.com>
883 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
884 narrowing_initializer_constant_valid_p.
885 (narrowing_initializer_constant_valid_p): Don't return
886 null_pointer_node for adding a pointer to itself.
888 2009-02-23 Jan Hubicka <jh@suse.cz>
891 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
894 2009-02-23 Jan Hubicka <jh@suse.cz>
896 PR tree-optimization/37709
897 * tree.c (block_ultimate_origin): Move here from dwarf2out.
898 * tree.h (block_ultimate_origin): Declare.
899 * dwarf2out.c (block_ultimate_origin): Move to tree.c
900 * tree-ssa-live.c (remove_unused_scope_block_p):
901 Eliminate blocks containig no instructions nor live variables nor
903 (dump_scope_block): New function.
904 (remove_unused_locals): Enable removal of dead blocks by default;
905 enable dumping at TDF_DETAILS.
907 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
909 * config/i386/i386.c (classify_argument): Don't allow COImode
911 (function_arg_advance_32): Don't allow OImode.
912 (function_arg_32): Likewise.
913 (function_value_32): Likewise.
914 (return_in_memory_32): Likewise.
915 (function_arg_64): Remove OImode comment.
917 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
920 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
921 ix86_expand_vector_set for V4DImode in 64bit mode only.
922 (ix86_expand_vector_init_one_var): Likewise.
924 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
926 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
928 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
931 * loop-iv.c: Revert last change.
932 * emit-rtl.c: Likewise.
934 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
937 * config/i386/i386.c (type_natural_mode): Remove an extra
938 space in the warning message.
939 (function_value_32): Handle 32-byte vector modes.
940 (return_in_memory_32): Likewise.
942 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
944 * loop-iv.c (truncate_value): New function.
945 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
947 (lowpart_subreg): Move to...
948 * emit-rtl.c: ...here.
950 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
952 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
953 accidental and undocumented change at revision 140860.
955 2009-02-21 Joseph Myers <joseph@codesourcery.com>
957 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
958 take gimple_seq * arguments.
959 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
960 types_compatible_p langhook.
962 2009-02-20 Mark Mitchell <mark@codesourcery.com>
963 Joseph Myers <joseph@codesourcery.com>
965 * config/arm/arm.c (arm_builtin_va_list): New function.
966 (arm_expand_builtin_va_start): Likewise.
967 (arm_gimplify_va_arg_expr): Likewise.
968 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
969 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
970 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
971 (va_list_type): New variable.
972 (arm_mangle_type): Mangle va_list_type appropriately.
974 2009-02-20 Jakub Jelinek <jakub@redhat.com>
977 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
978 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
979 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
980 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
981 parameter to 1000 for -O1 by default.
982 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
984 * loop-invariant.c: Include params.h.
985 (move_loop_invariants): Don't call move_single_loop_invariants on
988 2009-02-20 Jaka Mocnik <jaka@xlab.si>
990 * calls.c (emit_library_call_value_1): Use slot_offset instead of
991 offset when calculating bounds for indexing stack_usage_map. Fixes
992 a buffer overflow with certain target setups.
994 2009-02-20 Jakub Jelinek <jakub@redhat.com>
997 * calls.c (expand_call): Clear try_tail_call if caller and callee
998 disagree in promotion of function return value.
1000 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1003 * c-common.c (c_determine_visibility): If visibility changed and
1004 DECL_RTL has been already set, call make_decl_rtl to update symbol
1007 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1010 * varasm.c (assemble_variable): Don't check DECL_NAME when
1011 globalizing a variable.
1013 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1016 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1017 expression before any __builtin_trap call.
1018 * c-typeck.c (build_function_call): Convert and check function
1019 arguments before generating a call to a trap. Evaluate the
1020 function arguments before the trap.
1022 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1025 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1026 (UNSPEC_FXAM_MEM): New unspec.
1027 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1028 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1029 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1031 2009-02-19 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/39207
1034 PR tree-optimization/39074
1035 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1036 storedanything_tree): New.
1037 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1038 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1039 (build_succ_graph): Add edges from STOREDANYTHING to all
1041 (init_base_vars): Initialize STOREDANYTHING.
1042 (compute_points_to_sets): Free substitution info after
1043 building the succ graph.
1044 (ipa_pta_execute): Likewise.
1046 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1048 (do_ds_constraint): Do not add to special var or non-pointer
1050 (type_could_have_pointers): Split out from ...
1051 (could_have_pointers): ... here. For arrays use the element type.
1052 (create_variable_info_for): Initialize may_have_pointers.
1053 (new_var_info): Likewise.
1054 (handle_lhs_call): Make the HEAP variable unknown-sized.
1055 (intra_create_variable_infos): Use a type with pointers for
1056 PARM_NOALIAS, make it unknown-sized.
1058 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1061 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1063 2009-02-18 Jason Merrill <jason@redhat.com>
1066 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1067 value if DECL_EXTERNAL.
1068 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1069 * target.h (gcc_target::binds_local_p): Clarify "module".
1070 * tree.h (TREE_PUBLIC): Clarify "module".
1072 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1075 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1076 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1078 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1081 * c.opt (Wabi): Support C and ObjC.
1084 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1086 * config/i386/i386.c (classify_argument): Warn once about the ABI
1087 change when passing union with long double.
1089 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1091 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1094 * c-parser.c (c_parser_compound_statement): Always enter and leave
1097 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1100 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1102 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1104 PR tree-optimization/36922
1105 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1106 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1109 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1111 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1114 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1116 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1118 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1120 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1123 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1124 Richard Sandiford <rdsandiford@googlemail.com>
1126 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1127 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1128 (loongson_biadd): ...this.
1130 2009-02-17 Richard Guenther <rguenther@suse.de>
1132 PR tree-optimization/39202
1133 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1134 a var make sure to follow existing collapses.
1136 2009-02-17 Richard Guenther <rguenther@suse.de>
1139 * langhooks.c (lhd_print_error_function): Check for NULL block.
1141 2009-02-17 Richard Guenther <rguenther@suse.de>
1143 PR tree-optimization/39204
1144 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1147 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1149 * config/soft-fp/double.h: Update from glibc CVS.
1151 2009-02-17 Richard Guenther <rguenther@suse.de>
1153 PR tree-optimization/39207
1154 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1155 strict-aliasing warnings for pointers pointing to NULL.
1157 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1160 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1161 skipping until next close brace.
1163 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1166 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1167 to function argument boundary.
1169 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1171 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1172 in the lea_add. Reload eventually constraints it properly.
1173 * config/picochip/constraints.md : Remove the target constraint
1174 "b", since it is not needed anymore.
1176 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1178 * gthr-dce.h: Uglify function parameter and local variable names.
1179 * gthr-gnat.h: Likewise.
1180 * gthr-mipssde.h: Likewise.
1181 * gthr-nks.h: Likewise.
1182 * gthr-posix95.h: Likewise.
1183 * gthr-posix.h: Likewise.
1184 * gthr-rtems.h: Likewise.
1185 * gthr-single.h: Likewise.
1186 * gthr-solaris.h: Likewise.
1187 * gthr-tpf.h: Likewise.
1188 * gthr-vxworks.h: Likewise.
1189 * gthr-win32.h: Likewise.
1191 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1194 * config/i386/i386.md: Restrict the new peephole2 to move
1195 between MMX/SSE registers.
1197 2009-02-15 Richard Guenther <rguenther@suse.de>
1200 2009-02-13 Richard Guenther <rguenther@suse.de>
1202 * configure.ac: Enable LFS.
1203 * configure: Re-generate.
1204 * config.in: Likewise.
1206 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1208 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1209 spu_srqwbyte, spu_srqwbytebc): Define.
1210 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1211 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1212 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1213 "shrqby_<mode>"): New insn-and-split patterns.
1214 * config/spu/spu.c (expand_builtin_args): Determine and return
1215 number of operands using spu_builtin_description data.
1216 (spu_expand_builtin_1): Use it.
1218 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1221 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1224 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1227 * config/i386/i386.c (override_options): Correct warning
1228 messages for -malign-loops, -malign-jumps and -malign-functions.
1230 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1233 * config/i386/i386.md: Restrict the new peephole2 to move
1234 between the general purpose registers.
1236 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1239 * config/i386/i386.c (type_natural_mode): Add a new argument.
1240 Return the original mode and warn ABI change if vector size is 32byte.
1241 (function_arg_advance): Updated.
1242 (function_arg): Likewise.
1243 (ix86_function_value): Likewise.
1244 (ix86_return_in_memory): Likewise.
1245 (ix86_sol10_return_in_memory): Likewise.
1246 (ix86_gimplify_va_arg): Likewise.
1247 (function_arg_32): Don't warn ABX ABI change here.
1248 (function_arg_64): Likewise.
1250 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1252 * loop-iv.c (implies_p): In the final case, test that operands 0
1253 of the two comparisons match.
1255 * config/bfin/bfin.c (find_prev_insn_start): New function.
1256 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1257 (find_next_insn_start): Move.
1259 2009-02-13 Richard Guenther <rguenther@suse.de>
1261 * configure.ac: Enable LFS.
1262 * configure: Re-generate.
1263 * config.in: Likewise.
1265 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1268 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1269 sizes on syntax error after some arguments have been parsed.
1271 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1273 * doc/invoke.texi (-fira): Remove.
1275 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1277 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1278 * recog.c: Likewise.
1281 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1283 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1284 (umul_ppmm): Likewise.
1285 (count_leading_zeros): Likewise.
1286 (count_trailing_zeros): Likewise.
1287 (UMUL_TIME): Likewise.
1289 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1291 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1292 soft-fp/t-softfp to tmake_file.
1294 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1295 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1296 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1297 IA64_BUILTIN_INFQ]: New.
1298 (ia64_init_builtins): Initialize __builtin_infq,
1299 __builtin_fabsq and __builtin_copysignq if not HPUX.
1300 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1301 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1303 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1305 (__fixtfti): Likewise.
1306 (__fixunstfti): Likewise.
1307 (__floattitf): Likewise.
1309 * config/ia64/libgcc-glibc.ver: New.
1310 * config/ia64/t-fprules-softfp: Likewise.
1311 * config/ia64/sfp-machine.h: Likewise.
1313 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1314 (LIBGCC2_TF_CEXT): Likewise.
1315 (TF_SIZE): Likewise.
1316 (TARGET_INIT_LIBFUNCS): Likewise.
1318 * config/ia64/t-glibc (SHLINB_MAPFILES):
1319 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1321 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1323 * config/i386/i386.c (construct_container): Rewrite processing
1324 BLKmode with X86_64_SSE_CLASS.
1326 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1329 * config/i386/i386.md: Replace simplify_replace_rtx with
1330 replace_rtx in the new peephole2.
1332 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1334 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1335 loop unrolling do not happen at -O2.
1337 2009-02-12 Michael Matz <matz@suse.de>
1339 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1341 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1343 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1346 2009-02-12 Ben Elliston <bje@au.ibm.com>
1348 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1349 patterns when updating the back chain. Missed in the 2009-02-10
1352 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1354 * doc/extend.texi (Decimal Floating Types): Update identifier of
1355 draft TR and list of missing support.
1357 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1360 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1361 bit to variable length decl's flags, add it also to its
1362 pointer replacement variable.
1364 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1365 Jakub Jelinek <jakub@redhat.com>
1368 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1369 (memory_blockage): New expander.
1370 (*memory_blockage): New insn pattern.
1371 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1372 instead of general blockage at the end of function prologue when
1373 frame pointer is used to access red zone area. Do not emit blockage
1374 when profiling, it is emitted in generic code.
1375 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1376 function epilogue when frame pointer is used to access red zone area.
1378 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1381 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1382 by arithmetic with memory operands.
1383 * config/i386/predicates.md (commutative_operator): New.
1385 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1387 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1390 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1392 * alias.h (record_alias_subset): Declare.
1393 * alias.c (record_alias_subset): Make global.
1395 2009-02-10 Nick Clifton <nickc@redhat.com>
1397 * tree-parloops.c: Change license to GPLv3.
1398 * ipa-struct-reorg.c: Change license to GPLv3.
1399 * ipa-struct-reorg.h: Change license to GPLv3.
1401 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1404 * c-decl.c (start_struct): Return NULL on error.
1406 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1409 * cfgloopmanip.c (remove_path): Call remove_bbs after
1410 cancel_loop_tree, not before it.
1413 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1414 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1415 VAR_DECLs were seen.
1416 * tree-ssa-live.c (remove_unused_locals): Recompute
1417 cfun->has_local_explicit_reg_vars.
1418 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1419 copies or clearings if cfun->has_local_explicit_reg_vars.
1421 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1424 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1425 of function prologue when frame pointer is used to access
1428 2009-02-10 Richard Guenther <rguenther@suse.de>
1431 * gimplify.c (gimple_regimplify_operands): Always look if
1432 we need to create a temporary.
1434 2009-02-10 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/39132
1437 * tree-loop-distribution.c (todo): New global var.
1438 (generate_memset_zero): Trigger TODO_rebuild_alias.
1439 (tree_loop_distribution): Return todo.
1441 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1444 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1445 (x86_64_reg_class_name): Removed.
1446 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1447 first one isn't X86_64_SSE_CLASS or any other ones aren't
1448 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1449 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1450 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1451 and 3 X86_64_SSEUP_CLASS.
1452 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1453 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1455 2009-02-10 Ben Elliston <bje@au.ibm.com>
1457 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1458 form instruction to update the stack back chain word, even if the
1459 user has disabled the generation of update instructions.
1460 (movdi_<mode>_update_stack): New.
1461 (movsi_update_stack): Likewise.
1462 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1463 always use an update form instruction to update the stack back
1466 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1469 * graphite.c (if_region_set_false_region): After moving a region in
1470 the false branch of a condition, remove the empty dummy basic block.
1471 (gloog): Remove wrong fix for PR38953.
1473 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1475 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1476 generation due to implicit sign extension.
1478 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1481 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1482 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1484 2009-02-09 Richard Guenther <rguenther@suse.de>
1487 * convert.c (convert_to_real): Disable (float)fn((double)x)
1488 to fnf(x) conversion if errno differences may occur and
1489 -fmath-errno is set.
1491 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1493 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1494 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1495 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1497 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1500 * c-common.c (handle_alias_attribute): Disallow attribute for
1501 anything not a FUNCTION_DECL or VAR_DECL.
1503 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1506 * real.c (do_compare): Special-case compare of zero against
1507 decimal float value.
1509 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1512 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1513 as indicating flexible array members unless the field itself is
1514 being declarared as the incomplete array.
1516 2009-02-06 Jan Hubicka <jh@suse.cz>
1518 PR tree-optimization/38844
1519 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1522 2009-02-06 Richard Guenther <rguenther@suse.de>
1525 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1526 fork because we may expand it as __gcov_fork.
1528 2009-02-06 Nick Clifton <nickc@redhat.com>
1530 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1532 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1534 PR tree-optimization/35659
1535 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1536 vn_phi_eq): Shortcut if hashcode does not match.
1537 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1539 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1540 and avoid iterative_hash_expr.
1541 (FOR_EACH_VALUE_ID_IN_SET): New.
1542 (value_id_compare): Remove.
1543 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1544 sort expressions by value id.
1546 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1549 * config/sh/predicates.md (general_movsrc_operand): Don't check
1550 the subreg of system registers here.
1552 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1555 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1558 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1560 PR rtl-optimization/39110
1561 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1562 addresses, not aligned ones.
1564 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1565 Richard Guenther <rguenther@suse.de>
1567 PR tree-optimization/39100
1568 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1569 comment says and add edges.
1571 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1574 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1575 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1577 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1579 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1580 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1581 register_bb_in_sese, new_sese, free_sese): Moved.
1582 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1583 outermost_loop_in_scop, build_scop_iteration_domain,
1584 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1585 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1586 Use loop_in_sese_p instead of loop_in_scop_p.
1587 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1588 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1589 (scopdet_basic_block_info): Fix bug in scop detection.
1590 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1591 eq_loop_to_cloog_loop): Remove.
1592 (nb_loops_around_loop_in_scop, nb_loop
1593 ref_nb_loops): Moved here...
1594 * graphite.h (ref_nb_loops): ... from here.
1595 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1596 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1597 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1598 * testsuite/gcc.dg/graphite/scop-19.c: New
1600 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1601 Hans-Peter Nilsson <hp@axis.com>
1603 PR rtl-optimization/37889
1604 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1605 Move offset handling from PLUS to before the switch. Use new
1606 arguments when considering SYMBOL_REFs too.
1607 (rtx_addr_can_trap_p): Pass dummy offset and size.
1608 (enum may_trap_p_flags): Remove.
1609 (may_trap_p_1): Pass size from MEM_SIZE.
1611 PR rtl-optimization/38921
1612 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1613 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1614 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1615 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1617 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1619 AVX Programming Reference (January, 2009)
1620 * config/i386/sse.md (*vpclmulqdq): New.
1622 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1624 PR tree-optimization/38977
1625 PR gcov-profile/38292
1626 * calls.c (special_function_p): Disregard __builtin_ prefix.
1628 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1630 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1631 non-indexable addresses even before reload.
1633 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1636 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1637 as having variable size. Do not give an error for unnamed
1638 parameters with [*] declarators. Give a warning for type names
1639 with [*] declarators and mark them as variable size.
1640 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1641 for sizeof applied to [*] type names.
1643 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1646 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1648 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1650 * gcc.c (process_command): Update copyright notice dates.
1651 * gcov.c (print_version): Likewise.
1652 * gcov-dump.c (print_version): Likewise.
1653 * mips-tfile.c (main): Likewise.
1654 * mips-tdump.c (main): Likewise.
1656 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1659 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1660 for composite type involving a zero-length array type.
1662 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1665 * function.c (match_asm_constraints_1): Skip over
1666 initial optional % in the constraint.
1669 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1670 supported, don't accept FIXED_CSTs.
1671 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1672 and _Sat is used without _Fract/_Accum. Set specs->type to
1673 integer_type_node for cts_fract/cts_accum if fixed point is not
1676 2009-02-02 Catherine Moore <clm@codesourcery.com>
1678 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1680 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1682 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1683 (ABI_HAS_64BIT_SYMBOLS): Use it.
1684 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1686 2009-02-02 Paul Brook <paul@codesourcery.com>
1688 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1690 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1693 * recog.h (asm_operand_ok): Add constraints argument.
1694 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1695 recurse on matching constraint.
1696 (check_asm_operands): Pass constraints as 3rd argument to
1697 asm_operand_ok. Don't look up matching constraint here.
1698 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1701 2009-02-02 Ben Elliston <bje@au.ibm.com>
1703 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1704 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1706 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1708 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1709 information. Remove some obsolete information. Reorganize.
1711 * config/pa/fptr.c: Revert license to GPL 2.
1712 * config/pa/milli64.S: Likewise.
1714 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1717 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1718 LIBRARY name in, instead of hard-coding it.
1719 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1720 extra target make frag to tmake_files according to EH model.
1721 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1722 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1723 frags that define makefile variable EH_MODEL appropriately.
1724 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1725 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1726 to "-sjlj" according to type of EH configured.
1727 (LIBGCC_SONAME): Concatenate it to shared library base name.
1728 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1729 to "_sjlj" according to type of EH configured.
1730 (LIBGCC_SONAME): Concatenate it to shared library base name.
1731 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1732 (SHLIB_LINK): Add missing semicolon to if-else construct.
1733 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1734 string value of "pe_dll" command-line option.
1735 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1736 (SHLIB_SONAME): Use it when overriding t-cygming default.
1737 (SHLIB_IMPLIB): Override t-cygming default.
1738 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1739 string value of "pe_dll" command-line option.
1741 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1744 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1745 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1747 2009-01-31 Richard Guenther <rguenther@suse.de>
1749 PR tree-optimization/38937
1750 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1751 computing the transitive closure.
1753 2009-01-30 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/39041
1756 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1757 Propagate variable indices only if the types match for this stmt.
1759 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1762 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1763 inline but never defined.
1765 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1767 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1768 (*insv_h_di_reg_extimm): New insn.
1769 (*insv_l<mode>_reg_extimm): New insn.
1771 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1773 * config/picochip/picochip.c (flag_conserve_stack): set
1774 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1775 fconserve-stack. Reduce call-overhead used by inliner.
1777 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1780 * common.opt (flag_conserve_stack): Initialised to zero.
1782 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1785 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1786 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1789 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1791 * ira-color.c (allocno_reload_assign): Update comments.
1792 * regmove.c (regmove_optimize): Likewise.
1796 2009-01-29 Robert Millan <rmh@aybabtu.com>
1798 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1799 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1800 `MD_UNWIND_SUPPORT'.
1801 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1803 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1805 PR tree-optimization/39007
1806 * tree-loop-distribution.c (generate_builtin): Use
1807 recompute_dominator to compute the immediate dominator of the
1808 basic block just after the loop.
1810 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1812 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1813 (ASM_OUTPUT_DWARF_PCREL): Define.
1815 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1817 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1818 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1819 global. Modify entries about regmove and IRA.
1821 * ra-conflict.c: Remove the file.
1823 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1825 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1826 (pass_regclass_init): Rename to pass_reginfo_init.
1828 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1830 * toplev.h (flag_ira): Remove.
1832 * caller-save.c (setup_save_areas): Remove flag_ira.
1834 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1836 * global.c: Remove the file.
1838 * opts.c: (decode_options): Remove flag_ira.
1840 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1842 * regmove.c: Modify file description.
1843 (find_use_as_address, try_auto_increment): Define them only if
1844 AUTO_INC_DEC is defined.
1845 (replacement_quality, replace_in_call_usage, fixup_match_1,
1846 stable_and_no_regs_but_for_p): Remove.
1847 (reg_set_in_bb): Make it static.
1848 (regmove_optimize): Remove flag_ira and code which worked for
1851 * local-alloc.c: Remove the file.
1853 * common.opt (fira): Remove.
1855 * ira.c: Include except.h.
1856 (eliminable_regset): Move from global.c.
1857 (mark_elimination): Ditto. Remove flag_ira.
1858 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1859 equiv_mem_modified, validate_equiv_mem_from_store,
1860 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1861 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1862 no_equiv, recorded_label_ref): Move from local-alloc.c.
1863 (update_equiv_regs): Ditto. Make it static.
1864 (print_insn_chain, print_insn_chains): Move it from global.c.
1865 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1866 (build_insn_chain): Ditto. Make it static.
1867 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1868 Rename to init_live_subregs.
1869 (gate_ira): Remove flag_ira.
1871 * regclass.c: Rename reginfo.c. Change file description.
1872 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1873 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1874 (init_reg_sets_1): Remove code for evaluation of
1875 reg_class_superclasses and losing_caller_save_reg_set.
1876 (init_regs): Remove init_reg_autoinc.
1877 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1878 ok_for_base_p_nonstrict): Remove.
1879 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1880 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1881 corresponding entries.
1882 (dump_regclass, record_operand_costs, scan_one_insn,
1883 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1884 record_address_regs, auto_inc_dec_reg_p): Remove.
1885 (gt-regclass.h): Rename to gt-reginfo.h.
1887 * rtl.h (dump_global_regs, retry_global_alloc,
1888 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1890 * Makefile.in (RA_H): Remove.
1891 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1892 Rename regclass.o to reginfo.o.
1893 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1895 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1896 (GTFILES): Rename regclass.c to reginfo.c.
1898 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1899 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1901 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1902 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1904 (finish_spills): Ditto. Remove code for !flag_ira.
1906 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1909 * doc/invoke.texi (rtl debug options): Complete rewrite.
1910 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1912 * mode-switching.c (pass_mode_switching): Rename pass from
1913 "mode-sw" to "mode_sw".
1914 * except.c (pass_convert_to_eh_ranges): Rename pass from
1915 "eh-ranges" to "eh_ranges".
1916 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1920 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1921 Alexander Monakov <amonakov@ispras.ru>
1924 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1926 (move_exprs_to_boundary): Change return type and pass through
1927 should_move from move_op. Relax assert. Update usage ...
1928 (schedule_expr_on_boundary): ... here. Use should_move instead of
1930 (move_op_orig_expr_found): Indicate that insn was disconnected from
1932 (code_motion_process_successors): Do not call after_merge_succs
1933 callback if original expression was not found when traversing any of
1935 (code_motion_path_driver): Change return type. Update prototype.
1936 (move_op): Update comment. Add a new parameter (should_move). Update
1937 prototype. Set *should_move based on indication provided by
1938 move_op_orig_expr_found.
1940 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1942 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1943 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1944 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1945 * config/rs6000/rs6000.c (rs6000_override_options): Default
1946 avoid-indexed-addresses on for Power6, off for everything else.
1947 (avoiding_indexed_address_p): New function.
1948 (rs6000_legitimize_address): Use it.
1949 (rs6000_legitimate_address): Likewise.
1950 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1952 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1954 PR tree-optimization/38997
1955 * tree-loop-distribution.c (generate_memset_zero): Use
1956 POINTER_PLUS_EXPR for a pointer addition.
1958 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1960 * config/s390/s390.md (bswap<mode>2): New pattern added.
1962 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1964 * config/s390/s390.md (*tls_load_31): Added type attribute.
1966 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1968 * config/s390/s390.md: Fix a few comments.
1970 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1972 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1973 (*tm<mode>_full): Fixed z10prop attribute.
1974 (*tst<mode>_extimm): Fixed z10prop attribute.
1975 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1976 (*tstqiCCT_cconly): Fixed z10prop attribute.
1977 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1978 (*movsi_larl): Fixed z10prop attribute.
1979 (*movsi_zarch): Fixed z10prop attribute.
1980 (*movsi_eas): Fixed z10prop attribute.
1981 (*movhi): Fixed z10prop attribute.
1982 (*movqi): Fixed z10prop attribute.
1983 (*movstrictqi): Fixed z10prop attribute.
1984 (*mov<mode>): Fixed z10prop attribute.
1985 (*movcc): Fixed z10prop attribute.
1986 (*sethighpartdi_64): Fixed z10prop attribute.
1987 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1988 (*negdi2_sign_cc): Fixed z10prop attribute.
1989 (*negdi2_sign): Fixed z10prop attribute.
1990 (*absdi2_sign_cc): Fixed z10prop attribute.
1991 (*absdi2_sign): Fixed z10prop attribute.
1992 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1993 (*negabsdi2_sign): Fixed z10prop attribute.
1994 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1995 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1996 (doloop_si64): Fixed z10prop attribute.
1997 (doloop_si31): Fixed z10prop attribute.
1998 (doloop_long): Fixed z10prop attribute.
1999 (indirect_jump): Fixed z10prop attribute.
2000 (nop): Fixed z10prop attribute.
2001 (main_base_64): Fixed z10prop attribute.
2002 (reload_base_64): Fixed z10prop attribute.
2004 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2006 PR rtl-optimization/38740
2007 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2009 * config/mips/mips.c (mips_reorg): Likewise.
2011 2009-01-28 Richard Guenther <rguenther@suse.de>
2013 PR tree-optimization/38926
2014 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2015 with the correct value id to a value.
2016 (do_regular_insertion): Use the value number of edoubleprime
2017 for the value number of the expr.
2020 2008-08-21 Richard Guenther <rguenther@suse.de>
2022 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2023 a PHI ask VN if it is already available.
2024 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2025 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2027 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2030 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2031 set to varying whenever max has TREE_OVERFLOW set, similarly
2032 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2034 2009-01-28 Richard Guenther <rguenther@suse.de>
2037 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2038 uninitialized aggregate uses in call arguments.
2040 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2042 PR tree-optimization/38984
2043 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2044 the nothing_id variable if -fno-delete-null-pointer-checks.
2046 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2049 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2050 (set_got_offset_rex64): Ditto.
2052 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2055 * doc/extend.texi: Improve local variable with asm reg.
2057 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2059 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2060 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2061 was not supplied then set warn_packed_bitfield_compat to the
2063 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2066 2009-01-27 Richard Guenther <rguenther@suse.de>
2068 PR tree-optimization/38503
2069 * cfgexpand.c (expand_gimple_basic_block): Ignore
2070 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2071 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2072 variables that cannot have TBAA applied.
2073 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2076 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2079 * calls.c (initialize_argument_information): Do not wrap complex
2080 arguments in SAVE_EXPR.
2082 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2084 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2085 (INSTALL_LIBGCC): Revert typo commit.
2087 2009-01-26 Richard Guenther <rguenther@suse.de>
2089 PR tree-optimization/38745
2090 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2091 from special handling.
2093 2009-01-26 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/38745
2096 * tree-ssa.c (execute_update_addresses_taken): Do not include
2097 variables that cannot possibly be a register in not_reg_needs.
2098 Do not clear TREE_ADDRESSABLE on vars that may not become
2100 * tree-ssa.c (update_alias_info_1): Include those in the set
2101 of addressable vars.
2103 2009-01-26 Richard Guenther <rguenther@suse.de>
2106 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2107 * tree-ssa-dse.c: Include langhooks.h
2108 (execute_simple_dse): Remove stores with zero size.
2110 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2113 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2116 2009-01-24 Julian Brown <julian@codesourcery.com>
2118 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2119 config/arm/linux-atomic.c.
2120 * config/arm/linux-atomic.c: New.
2122 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2124 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2125 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2126 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2128 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2131 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2134 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2136 PR tree-optimization/38953
2137 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2138 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2139 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2140 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2143 2009-01-24 Paul Brook <paul@codesourcery.com>
2145 * config/arm/neon.md (neon_type): Move to arm.md.
2146 (neon_mov<VSTRUCT>): Add neon_type attribute.
2147 * config/arm/arm.md (neon_type): Move to here.
2148 (conds): Add "unconditioal" and use as default for NEON insns.
2150 2009-01-24 Ben Elliston <bje@au.ibm.com>
2152 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2153 void *' warning from -Wc++-compat.
2154 * Makefile.in (dominance.o-warn): Remove.
2156 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2158 PR tree-optimization/38932
2159 * fold-const.c (fold_unary_ignore_overflow): New.
2160 * tree.h (fold_unary_ignore_overflow): Declare.
2161 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2162 * tree-ssa-sccvn.c (visit_reference_op_load,
2163 simplify_unary_expression): Likewise.
2165 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2167 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2168 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2169 regardless of their type.
2170 * c-common.c (handle_packed_attribute): Don't ignore packed on
2172 * c.opt (Wpacked-bitfield-compat): New warning option.
2173 * stor-layout.c (place_field): Warn if offset of a field changed.
2174 * doc/extend.texi (packed): Mention the ABI change.
2175 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2176 (Warning Options): Add it to the list.
2178 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2180 * c-opts.c (c_common_post_options): Fix a typo in comments.
2182 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2185 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2186 variables to static.
2187 * doc/invoke.texi (-fmerge-all-constants): Update description.
2189 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2193 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2195 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2197 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2199 (LOCAL_ALIGNMENT): Similarly.
2201 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2202 Joseph Myers <joseph@codesourcery.com>
2204 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2205 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2206 * config/arm/arm-tune.md: Regenerate.
2207 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2210 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2212 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2213 version number to five.
2215 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2218 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2219 * c-common.c (set_underlying_type): Likewise.
2220 (is_typedef_decl ): Likewise
2222 (set_underlying_type): Likewise.
2223 (is_typedef_type): Likewise.
2225 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2228 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2231 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2234 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2235 (LIBGCC_SPEC): Don't define.
2236 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2238 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2240 PR rtl-optimization/38879
2241 * alias.c (base_alias_check): Unaligned access via AND address can
2242 alias all surrounding object types except those with sizes equal
2243 or wider than the size of unaligned access.
2245 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2248 * c-decl.c: (clone_underlying_type): Move this ...
2249 * c-common.c (set_underlying_type): ... here.
2250 Also, make sure the function properly sets TYPE_STUB_DECL() on
2251 the newly created typedef variant type.
2252 (is_typedef_decl ): New entry point.
2253 * tree.h: Added a new member member_types_needing_access_check to
2254 struct tree_decl_non_common.
2255 (set_underlying_type): New entry point.
2256 (is_typedef_type): Likewise.
2258 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2260 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2261 Check whether two instructions have memory references that
2262 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2263 are helper functions for traversing.
2264 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2265 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2266 not to draw dependency edge for instructions with non-conflicting
2269 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2272 * longlong.h: Update copyright years. Use soft-fp license notice.
2273 Sync __clz_tab declaration with glibc.
2275 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2278 * doc/extend.texi (syscall_linkage): New.
2279 (version_id): Modify.
2281 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2282 Richard Guenther <rguenther@suse.de>
2284 PR tree-optimization/38747
2285 PR tree-optimization/38748
2286 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2287 conversion if the base address is an indirect reference and the
2288 aliasing sets could cause issues.
2290 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2292 * common.opt (fgraphite, fgraphite-identity): Add comment for
2293 explaining why these options are not documented.
2295 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2297 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2298 gimple_call_lhs is NULL.
2300 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2303 * emit-rtl.c (adjust_address_1): Make sure memref is never
2306 2009-01-20 Ben Elliston <bje@au.ibm.com>
2308 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2309 const qualifier from arg parameter. Remove unnecessary cast to char *.
2310 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2311 const qualifier from arg 2.
2313 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2315 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2317 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2320 * rtl.h (reinit_regs): New prototype.
2321 * regclass.c: Include ira.h.
2323 * Makefile.in (regclass.o): Add ira.h.
2324 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2326 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2329 * c-common.c (handle_aligned_attribute): Use
2330 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2331 default alignment value.
2333 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2335 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2336 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2338 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2339 __BIGGEST_ALIGNMENT__.
2341 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2343 2009-01-18 Richard Guenther <rguenther@suse.de>
2345 PR tree-optimization/38819
2346 * tree-flow.h (operation_could_trap_helper_p): Declare.
2347 * tree-eh.c (operation_could_trap_helper_p): Export.
2348 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2349 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2350 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2351 are about to insert a possibly trapping instruction and fail
2354 2009-01-18 Andreas Schwab <schwab@suse.de>
2356 * doc/install.texi (Configuration): Remove obsolete paragraph
2357 about use of --with-gnu-ld with --with-gnu-as.
2359 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2361 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2362 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2363 Follow spelling conventions.
2365 2009-01-18 Ben Elliston <bje@au.ibm.com>
2367 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2368 C++ warning about implicit conversion from void * to struct
2370 (bitmap_obstack_free): Likewise for bitmap_element *.
2371 * Makefile.in (bitmap.o-warn): Remove.
2373 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2375 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2377 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2378 Tobias Grosser <tobi.grosser@amd.com>
2380 * graphite.c (graphite_trans_scop_block): Do not block single
2383 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2385 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2386 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2387 test with assertion.
2389 2009-01-16 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/38835
2393 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2394 and INT + PTR -> (INT)(PTR p+ INT) folding.
2395 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2397 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2400 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2401 the subreg from a lowpart subreg if it is also casting the value.
2403 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2404 Tobias Grosser <tobi.grosser@amd.com>
2406 * graphite.c (compare_prefix_loops): New.
2407 (build_scop_canonical_schedules): Rewritten.
2408 (graphite_transform_loops): Move build_scop_canonical_schedules
2409 after build_scop_iteration_domain.
2411 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2412 Tobias Grosser <tobi.grosser@amd.com>
2414 * graphite.c (add_conditions_to_domain): Add the loops to
2415 the dimension of the iteration domain. Do copy the domain
2416 only when it exists.
2417 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2418 (add_conditions_to_constraints): New.
2419 (can_generate_code_stmt, can_generate_code): Removed.
2420 (gloog): Do not call can_generate_code.
2421 (graphite_transform_loops): Call add_conditions_to_constraints
2422 after building the iteration domain.
2424 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2426 PR tree-optimization/38789
2427 * tree-ssa-threadedge.c
2428 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2429 __builtin_constant_p.
2431 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2433 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2434 examined before deleting them.
2436 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2438 * function.c (aggregate_value_p): Correctly extract the function
2439 type from CALL_EXPR_FN lookup.
2441 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2443 * config/picochip/picochip.c (picochip_override_options): Revert
2444 CFI asm flag disable commited previously.
2446 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2447 Tobias Grosser <tobi.grosser@amd.com>
2448 Jan Sjodin <jan.sjodin@amd.com>
2450 * graphite.c (scan_tree_for_params): On substractions negate
2451 all the coefficients of the term.
2452 (clast_to_gcc_expression_red): New. Handle reduction expressions
2453 of more than two operands.
2454 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2455 (get_vdef_before_scop): Handle also the case of default definitions.
2457 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2459 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2460 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2461 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2463 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2464 Joey Ye <joey.ye@intel.com>
2467 * cfgexpand.c (expand_stack_alignment): Don't update stack
2468 boundary nor check incoming stack boundary here.
2469 (gimple_expand_cfg): Update stack boundary and check incoming
2470 stack boundary here.
2472 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2474 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2476 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2478 PR rtl-optimization/38245
2479 * calls.c (expand_call): Add stack arguments to
2480 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2481 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2482 in regs and partially in memory or BLKmode arguments.
2483 (emit_library_call_value_1): Add stack arguments to
2484 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2485 ACCUMULATE_OUTGOING_ARGS).
2486 * dce.c: Include tm_p.h.
2487 (find_call_stack_args): New function.
2488 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2490 (mark_insn): Call find_call_stack_args for CALL_Ps.
2491 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2492 forwards. Allocate and free arg_stores bitmap if needed, pass it
2493 down to deletable_insn_p, don't mark stores set in arg_stores
2494 bitmap, clear the bitmap at the beginning of each bb.
2495 * Makefile.in (dce.o): Depend on $(TM_P_H).
2497 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2500 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2501 to make sure the insn is a conditional test (bug 22599). Reformat a
2504 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2507 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2508 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2509 (gloog): Do not call cleanup_tree_cfg.
2510 (graphite_transform_loops): Call cleanup_tree_cfg after all
2511 scops have been code generated.
2513 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2514 * doc/gty.texi (Invoking the garbage collector): Added new node
2515 and section documenting ggc_collect.
2517 2009-01-14 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/38826
2521 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2522 initialization notes only if we actually emitted a warning.
2523 (intra_create_variable_infos): Add constraints for a result decl
2524 that is passed by hidden reference.
2525 (build_pred_graph): Mark all related variables non-direct on
2528 2009-01-14 Nick Clifton <nickc@redhat.com>
2530 * ira-conflicts.c: Include addresses.h for the definition of
2532 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2533 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2535 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2538 * Makefile.in (ira-lives.o): Add except.h.
2540 * ira-lives.c: Include except.h.
2541 (process_bb_node_lives): Process can_throw_internal.
2543 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2545 PR rtl-optimization/38774
2546 * combine.c (simplify_set): When undoing cc_use change, don't do
2547 PUT_CODE on the newly created comparison, but instead put back the
2550 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2552 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2553 values. Remove duplicate arm8 entry.
2555 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2557 PR tree-optimization/38786
2558 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2559 the SSA_NAME case of expand_scalar_variables_expr.
2560 Set the type of an expression to the type of its assign statement.
2561 (expand_scalar_variables_expr): Also gather the scalar computation
2562 used to index the memory access. Do not pass loop_p.
2563 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2564 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2565 the gimple_stmt_iterator where it inserts new code.
2567 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2568 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2570 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2572 * graphite.h (debug_value): Removed.
2573 * graphite.c (debug_value): Removed.
2575 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2577 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2578 ldrd/strd with two 32-bit instructions.
2580 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2582 * config/arm/arm.c (struct processors): Pass for speed down into
2583 cost helper functions.
2584 (const_ok_for_op): Handle COMPARE and inequality nodes.
2585 (arm_rtx_costs_1): Rewrite.
2586 (arm_size_rtx_costs): Update prototype.
2587 (arm_rtx_costs): Pass speed down to helper functions.
2588 (arm_slowmul_rtx_costs): Rework cost calculations.
2589 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2590 (arm_9e_rtx_costs): Likewise.
2592 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2594 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2595 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2596 (alpha_legitimize_address): Do not split local symbols wider than
2597 UNITS_PER_WORD into HIGH/LO_SUM parts.
2599 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2602 * gcc.c (process_command): Replace call to execvp with calls
2603 to pex_one and exit.
2605 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2608 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2609 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2610 variant for devices with 3-byte PC.
2611 (__tablejump_elpm__) : New.
2613 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2616 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2617 offsetof member-designator, handle it as `[0].'.
2619 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2621 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2622 function when not using named sections on targets with named sections
2623 if branch distance is less than 262132.
2625 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2627 * combine.c (combine_instructions): Recompute
2628 optimize_this_for_speed_p for each BB in the main combine loop.
2630 2009-01-12 Tomas Bily <tbily@suse.cz>
2633 * tree-loop-distribution.c (prop_phis): New function.
2634 (generate_builtin): Call prop_phis.
2635 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2637 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2639 PR tree-optimization/38807
2640 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2641 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2643 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2645 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2646 subreg of op0 to the original op0.
2648 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2650 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2652 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2655 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2656 starting with digits.
2658 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2661 * config/arm/arm.c (arm_is_long_call_p): Don't call
2662 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2664 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2666 * regrename.c (regrename_optimize): Fix dumping.
2667 (find_oldest_value_reg): Preserve REG_POINTER.
2668 (copy_hardreg_forward_1): Likewise.
2670 2009-01-09 Diego Novillo <dnovillo@google.com>
2672 * gimple.h (struct gimple_statement_base) <uid>: Document
2673 the restrictions on its use.
2675 (gimple_set_uid): Tidy.
2677 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2679 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2680 zero guard even if align_bytes != 0 and count is smaller than
2683 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2685 PR rtl-optimization/38495
2686 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2687 (add_range_and_copies_from_move_list): Print all added ranges.
2688 Add ranges to memory optimized destination.
2690 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2694 * config/i386/i386.c (override_options): Reject
2695 -mstringop-strategy=rep_8byte with -m32.
2696 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2697 to 1. Do count comparison against epilogue_size_needed at compile
2698 time even when count_exp was constant forced into register. For
2699 size_needed don't jump to epilogue, instead just avoid aligning
2700 and invoke the body algorithm. If need_zero_guard, add zero guard
2701 even if count is non-zero, but smaller than size_needed + number of
2702 bytes that could be stored for alignment.
2703 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2704 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2705 but smaller than size_needed + number of bytes that could be stored
2706 for alignment. Compare size_needed with epilogue_size_needed instead
2707 of desired_align - align, don't adjust size_needed, pass
2708 epilogue_size_needed to the epilogue expanders.
2711 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2713 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2715 * pa.c (last_address): Change to unsigned.
2716 (update_total_code_bytes): Change argument to unsigned. Don't
2717 check if insn addresses are set.
2718 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2719 addresses are not set.
2720 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2722 2009-01-09 Nick Clifton <nickc@redhat.com>
2724 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2725 DECL_DECLARED_INLINE_P.
2727 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2730 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2731 GET_MODE (op0) in operand_subword_force calls.
2734 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2735 fold_convert arg0 operands to TREE_TYPE (op0) first.
2737 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2739 * params.def (ira-max-conflict-table-size): Decrease default value
2742 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2744 PR tree-optimization/37031
2745 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2747 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2748 allocate it using gc instead of heap, use VEC_quick_push instead of
2750 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2751 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2752 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2753 allocated vector from heap allocated.
2754 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2755 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2756 vector only after perfect_loop_nest_depth call.
2758 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2759 Jan Sjodin <jan.sjodin@amd.com>
2761 PR tree-optimization/38559
2762 * graphite.c (debug_value, copy_constraint,
2763 swap_constraint_variables, scale_constraint_variable, ): New.
2764 (get_lower_bound, get_upper_bound): Removed.
2765 (graphite_trans_bb_strip_mine): Clean up this code that works
2766 only for constant number of iterations. Fully copy upper and
2767 lower bound constraints, not only the constant part of them.
2768 * graphite.h (debug_value): Declared.
2770 2009-01-08 Ira Rosen <irar@il.ibm.com>
2772 PR tree-optimization/37194
2773 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2774 Don't add the cost of cost model guard in prologue to scalar
2775 outside cost in case of known number of iterations.
2777 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2778 Alan Modra <amodra@bigpond.net.au>
2780 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2781 non-word-aligned REG+CONST addressing.
2783 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2786 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2787 free_after_compilation when outputting a thunk.
2788 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2789 Do not call free_after_compilation here.
2791 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2793 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2794 (ix86_valid_target_attribute_inner_p): Ditto.
2796 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2798 PR tree-optimization/38492
2799 PR tree-optimization/38498
2800 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2801 * tree-chrec.h (scev_is_linear_expression): Declared.
2802 * graphite.c (graphite_cannot_represent_loop_niter): New.
2803 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2804 (graphite_loop_normal_form): Use gcc_assert.
2805 (scan_tree_for_params): Use CASE_CONVERT.
2806 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2807 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2808 Use gcc_assert. Discard scops that contain unhandled cases.
2809 (build_scop_conditions): Return a boolean status for unhandled cases.
2810 (strip_mine_profitable_p): Print the loop number, not its depth.
2811 (is_interchange_valid): Pass the depth of the loop nest, don't
2812 recompute it wrongly.
2813 (graphite_trans_bb_block): Same.
2814 (graphite_trans_bb_block): Print tentative of loop blocking.
2815 (graphite_trans_scop_block): Do not print that the loop has been
2817 (graphite_transform_loops): Do not handle scops that contain condition
2820 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2822 AVX Programming Reference (December, 2008)
2823 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2824 (_mm256_stream_pd): Likewise.
2825 (_mm256_stream_ps): Likewise.
2827 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2828 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2829 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2830 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2831 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2832 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2833 (ix86_expand_special_args_builtin): Likewise.
2835 * config/i386/sse.md (AVXMODEDI): New.
2836 (avx_movnt<mode>): Likewise.
2837 (avx_movnt<mode>): Likewise.
2838 (<sse>_movnt<mode>): Remove AVX support.
2839 (sse2_movntv2di): Likewise.
2841 2009-01-07 Richard Guenther <rguenther@suse.de>
2844 * fold-const.c (extract_muldiv): Remove obsolete comment.
2845 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2846 to PLUS_EXPR canonicalization for the canonicalization.
2848 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2850 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2851 hosted cross-compilers generating less efficient code.
2853 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2855 * function.h (rtl_data): Add a dbr_scheduled_p field.
2856 * reorg.c (dbr_schedule): Set it.
2857 (gate_handle_delay_slots): Check it.
2858 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2859 (mips_reorg): Check flag_delayed_branch instead of
2860 mips_base_delayed_branch.
2861 (mips_override_options): Don't set mips_base_delayed_branch
2862 or flag_delayed_branch.
2864 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2866 PR rtl-optimization/38426.
2867 * ira.c (ira): Set current_function_is_leaf earlier.
2869 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2871 PR rtl-optimization/38722
2872 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2873 too early, only set a flag and modify after last possible
2876 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2879 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2880 * real.c (decimal_single_format): Correct values of emin and emax.
2881 (decimal_double_format): Ditto.
2882 (decimal_quad_format): Ditto.
2883 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2884 computation of DECnn_MIN and DECnn_MAX for corrected values of
2885 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2886 __DECnn_MIN__, and adjust its computation for the corrected value
2889 2009-01-06 Jan Hubicka <jh@suse.cz>
2892 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2894 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2896 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2897 Add Robert Clark to the list of testers.
2899 2009-01-06 Jan Hubicka <jh@suse.cz>
2900 Kai Tietz <kai.tietz@onevision.com>
2902 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2903 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2905 2009-01-06 Jan Hubicka <jh@suse.cz>
2906 Kai Tietz <kai.tietz@onevision.com>
2908 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2910 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2911 (ix86_nsaved_regs): Count only general purpose regs.
2912 (ix86_nsaved_sseregs): New.
2913 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2914 to 16 for w64; compute padding and size of sse reg save area.
2915 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2916 general purpose regs.
2917 (ix86_emit_save_sse_regs_using_mov): New.
2918 (ix86_expand_prologue): Save SSE regs if needed.
2919 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2920 (ix86_emit_restore_sse_regs_using_mov): New.
2921 (ix86_expand_epilogue): Save SSE regs if needed.
2923 2009-01-06 Jan Hubicka <jh@suse.cz>
2924 Kai Tietz <kai.tietz@onevision.com>
2926 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2927 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2928 functions when accumulate outgoing args is off.
2930 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2933 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2934 before using pseudos_have_intersected_live_ranges_p.
2936 * ira-int.h (ira_assert): Always define.
2938 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2940 AVX Programming Reference (December, 2008)
2941 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2942 (_mm256_permute2_pd): Likewise.
2943 (_mm_permute2_ps): Likewise.
2944 (_mm256_permute2_ps): Likewise.
2945 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2946 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2948 * config/i386/i386.c (ix86_builtins): Remove
2949 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2950 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2951 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2952 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2953 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2954 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2955 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2956 __builtin_ia32_vpermil2ps256.
2957 (ix86_init_mmx_sse_builtins): Updated.
2958 (ix86_expand_args_builtin): Likewise.
2960 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2962 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2963 long absolute calls when generating PA 2.0 code.
2965 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2967 PR rtl-optimization/38583
2968 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2970 * params.def (ira-max-conflict-table-size): New.
2972 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2974 * ira.h (ira_conflicts_p): New external definition.
2976 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2977 table. Report this. Return result of building.
2978 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2979 building conflict table.
2981 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2982 (ira_color): Use ira_conflicts_p.
2984 * global.c: Include ira.h.
2985 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2988 * Makefile.in (global.o): Add ira.h.
2990 * ira-build.c (mark_all_loops_for_removal,
2991 propagate_some_info_from_allocno): New.
2992 (remove_unnecessary_allocnos): Call
2993 propagate_some_info_from_allocno.
2994 (remove_low_level_allocnos): New.
2995 (remove_unnecessary_regions): Add parameter. Call
2996 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2997 parameter to remove_unnecessary_regions.
2998 (ira_build): Remove all regions but root if the conflict table was
2999 not built. Update conflict hard regs for allocnos crossing calls.
3001 * ira.c (ira_conflicts_p): New global.
3002 (ira): Define and use ira_conflicts_p.
3004 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3005 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3006 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3008 2009-01-06 Ben Elliston <bje@au.ibm.com>
3010 * gengtype-lex.l (YY_NO_INPUT): Define.
3012 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3015 * c-common.c (handle_vector_size_attribute): Also reject
3018 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3020 PR tree-optimization/38492
3021 * graphite.c (rename_map_elt, debug_rename_elt,
3022 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3023 rename_map_elt_info, eq_rename_map_elts,
3024 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3025 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3026 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3027 (sese_build_livein_liveouts): New.
3028 (new_sese, free_sese): New.
3029 (new_scop): Call new_sese.
3030 (free_scop): Call free_sese.
3031 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3032 (register_old_new_names): Renamed register_old_and_new_names.
3033 (register_scop_liveout_renames, add_loop_exit_phis,
3034 insert_loop_close_phis, struct igp,
3035 default_liveout_before_guard, add_guard_exit_phis,
3036 insert_guard_phis, copy_renames): New.
3037 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3038 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3039 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3040 (scop_adjust_phis_for_liveouts): New.
3041 (gloog): Call scop_adjust_phis_for_liveouts.
3043 * graphite.h (struct sese): Documented. Added fields liveout,
3045 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3046 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3047 (struct scop): Added field liveout_renames.
3048 (SCOP_LIVEOUT_RENAMES): New.
3050 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3052 PR tree-optimization/38510
3053 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3054 (translate_clast): Call recompute_all_dominators before
3056 (gloog): Call recompute_all_dominators before graphite_verify.
3058 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3059 Jan Sjodin <jan.sjodin@amd.com>
3061 PR tree-optimization/38500
3062 * graphite.c (create_sese_edges): Call fix_loop_structure after
3065 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3067 * config.gcc: Add m32r*-*-rtems*.
3068 * config/m32r/rtems.h: New file.
3070 2009-01-05 Ben Elliston <bje@au.ibm.com>
3072 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3073 (.po.pox): Likewise.
3074 (po/gcc.pot): Likewise.
3076 2009-01-04 David S. Miller <davem@davemloft.net>
3078 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3079 (STARTING_FRAME_OFFSET): Always set to zero.
3081 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3083 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3084 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3085 fixed-point types, and vectors of the same.
3087 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3089 * config/mips/sync.md (*mb_barrier): Rename to...
3090 (*memory_barrier): ...this.
3092 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3094 * doc/extend.texi (Function Attributes): Move @cindex after @item
3095 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3096 and put in alphabetical order. Fix 'target' name and put in order.
3097 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3100 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3102 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3103 (memory_barrier): Expand as unspec instead of unspec_volatile.
3104 Remove mem:BLK from insn operands. Use Pmode scratch register.
3105 (*memory_barrier): Define as unspec instead of unspec_volatile.
3106 Use (match_dup 0) as input operand.
3108 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3109 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3110 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3111 scratch register. Remove operand 1.
3112 (*stbar): Define as unspec instead of unspec_volatile.
3113 Use (match_dup 0) as input operand, remove (const_int 8).
3114 (*membar): Define as unspec instead of unspec_volatile.
3115 Use (match_dup 0) as input operand, remove input operand 2.
3117 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3118 (memory_barrier): Expand as unspec instead of unspec_volatile.
3119 Remove mem:BLK from insn operands. Use Pmode scratch register.
3120 (*memory_barrier): Define as unspec instead of unspec_volatile.
3121 Use (match_dup 0) as input operand.
3123 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3124 Remove mem:BLK from insn operands. Use Pmode scratch register.
3125 Set volatile flag on operand 0.
3126 (*memory_barrier): New insn pattern.
3128 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3130 (*memory_barrier): Use (match_dup 0) as input operand.
3132 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3133 Remove mem:BLK from insn operands. Use Pmode scratch register.
3134 Set volatile flag on operand 0.
3135 (*mb_internal): New insn pattern.
3137 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3139 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3142 * function.c (struct temp_slot): Move to the section of the file
3143 that deals with temp slots. Remove field 'address'.
3144 (temp_slot_address_table): New hash table of address -> temp slot.
3145 (struct temp_slot_address_entry): New struct, items for the table.
3146 (temp_slot_address_compute_hash, temp_slot_address_hash,
3147 temp_slot_address_eq, insert_temp_slot_address): Support functions
3149 (find_temp_slot_from_address): Rewrite to use the new hash table.
3150 (remove_unused_temp_slot_addresses): Remove addresses of temp
3151 slots that have been made available.
3152 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3153 worker function for remove_unused_temp_slot_addresses.
3154 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3155 Add the temp slot address to the address -> temp slot map.
3156 (update_temp_slot_address): Update via insert_temp_slot_address.
3157 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3158 (pop_temp_slots): Likewise.
3159 (init_temp_slots): Allocate the address -> temp slot map, or empty
3160 the map if it is already allocated.
3161 (prepare_function_start): Initialize temp slot processing.
3163 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3166 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3167 Calculate the size of all stack vars assuming no packing of stack
3168 vars will happen, replacing a quadratic algorithm with a linear one.
3170 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3173 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3176 2009-01-03 Diego Novillo <dnovillo@google.com>
3178 * doc/contrib.texi: Update contributions.
3180 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3183 * builtins.c (fold_builtin_memory_op): Give up if either operand
3184 is volatile. Set srctype or desttype to non-qualified version
3188 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3191 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3193 PR rtl-optimization/35805
3194 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3195 problem if fast dce is able to remove any instructions.
3196 * dce.c (dce_process_block): Fix dump message.
3198 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3201 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3203 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3206 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3207 * tree-pretty-print.c (op_code_prio): New function.
3208 (op_prio): No longer static. Use op_code_prio.
3209 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3210 Use op_prio and op_code_prio to determine if () should be
3211 printed around operand(s) or not.
3213 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3214 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3215 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3216 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3217 pp_character instead of pp_string for single letter printing.
3219 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3221 * doc/extend.texi: Fix '#pragma GCC option' typo.
3223 2009-01-02 Richard Guenther <rguenther@suse.de>
3225 * doc/install.texi (--enable-checking): Mention different
3227 (--enable-stage1-checking): Document.
3229 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3232 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3233 case to be an error.
3235 2009-01-02 Ben Elliston <bje@au.ibm.com>
3237 * config/fp-bit.h (pack_d): Constify argument.
3238 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3239 (isnan): Constify argument.
3243 (_fpadd_parts): Constify return type.
3244 (_fpmul_parts): Likewise.
3245 (_fpdiv_parts): Likewise.
3247 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3250 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3251 warn about overwriting initializer with side-effects or
3252 -Woverride-init if !IMPLICIT.
3253 (output_init_element): Likewise. Pass IMPLICIT down to
3255 (process_init_element): Add IMPLICIT argument. Pass it down
3256 to output_init_element.
3257 (push_init_element, pop_init_level, set_designator): Adjust
3258 process_init_element callers.
3259 (set_nonincremental_init, set_nonincremental_init_from_string):
3260 Adjust add_pending_init callers.
3261 (output_pending_init_elements): Adjust output_init_element callers.
3262 * c-tree.h (process_init_element): Adjust prototype.
3263 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3264 process_init_element callers.