1 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4 * doc/invoke.texi (-mconsole): New.
8 (-mnop-fun-dllimport): New.
12 (sub section "i386 and x86-64 Windows Options"): New.
14 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
16 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
17 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
19 2009-03-25 Richard Guenther <rguenther@suse.de>
22 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
25 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
27 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
28 neither of haifa/selective schedulers are working.
30 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
32 * doc/invoke.texi (Debugging Options): Fix description of
33 -fno-merge-debug-strings.
35 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
37 * config/cris/libgcc.ver: New version-script.
38 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
40 * configure.ac <GAS features, nop mnemonic>: Add pattern
41 crisv32-*-* for "nop".
42 <GAS features, Thread-local storage>: Add item for CRIS and
44 * configure: Regenerate.
46 2009-03-24 Ira Rosen <irar@il.ibm.com>
48 PR tree-optimization/39529
49 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
50 mark_sym_for_renaming for the tag copied to the new vector
53 2009-03-24 Arthur Loiret <aloiret@debian.org>
55 * config.host (alpha*-*-linux*): Use driver-alpha.o and
57 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
59 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
60 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
61 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
62 -march and -mtune options.
64 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
66 * config/m68k/t-rtems: Add m5329 multilib.
68 2009-03-24 Dodji Seketeli <dodji@redhat.com>
69 Jakub Jelinek <jakub@redhat.com>
72 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
75 2009-03-23 Jakub Jelinek <jakub@redhat.com>
78 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
79 instead of c_parser_expression_conv, if original_code isn't one of the
80 4 allowed comparison codes, fail.
82 2009-03-23 Richard Guenther <rguenther@suse.de>
84 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
85 * tree.h (struct tree_type): Likewise.
86 * reload.h (struct insn_chain): Likewise.
87 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
88 * function.h (struct function): Likewise.
89 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
91 2009-03-23 Jakub Jelinek <jakub@redhat.com>
93 PR tree-optimization/39516
94 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
96 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
98 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
99 should be set true if BITS_PER_WORD of target is bigger than 32
101 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
103 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
104 Translate -B-options to -rpath-link. Correct existing
105 rpath-link and conditionalize on !nostdlib.
107 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
109 * doc/extend.texi (Function Attributes, Variable Attributes):
111 * doc/invoke.texi (Debugging Options, Optimize Options)
112 (i386 and x86-64 Options, MCore Options): Likewise.
114 2009-03-20 Jakub Jelinek <jakub@redhat.com>
117 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
118 it for block local namespace aliases.
119 (gen_decl_die): Pass context_die to gen_namespace_die.
121 2009-03-19 Jakub Jelinek <jakub@redhat.com>
124 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
125 minimum or maximum value.
127 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
129 * reginfo.c (globalize_reg): Recompute derived reg sets.
131 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
134 * libgcc2.c (mprotect): Do not use signed arguments for
135 VirtualProtect, use DWORD arguments. Also fix the 'may
136 be used uninitialized' warning for the np variable.
138 2009-03-19 Jakub Jelinek <jakub@redhat.com>
141 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
142 functions using regparm calling conventions when not optimizing.
143 (ix86_function_sseregparm): Similarly for sseregparm calling
146 2009-03-19 Li Feng <nemokingdom@gmail.com>
149 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
150 dependence if the first conflict is after niter iterations.
152 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
155 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
156 functions with dynamic stack-pointer adjustments.
158 2009-03-19 Ben Elliston <bje@au.ibm.com>
160 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
161 option; change to -msdata=data.
163 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
165 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
168 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
171 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
173 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
175 * doc/invoke.texi (Code Gen Options): Expand discussion of
178 2009-03-18 Jakub Jelinek <jakub@redhat.com>
180 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
181 * matrix-reorg.c (struct matrix_info): Likewise.
182 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
183 * rtl.h (struct mem_attrs): Likewise.
184 * df.h (struct df): Likewise.
185 * tree-data-ref.h (struct data_dependence_relation): Likewise.
186 * ira-int.h (struct ira_allocno): Likewise.
187 * df-scan.c (struct df_collection_rec): Likewise.
188 * ira.c (struct equivalence): Likewise.
189 * function.c (struct temp_slot): Likewise.
190 * cfgloop.h (struct loop): Likewise.
193 * function.c (use_register_for_decl): When not optimizing, disregard
194 register keyword for variables with types containing methods.
196 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
199 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
200 (is_simple_operand): Call contains_component_ref_p before calling data
201 reference analysis that would fail on COMPONENT_REFs.
203 * tree-vrp.c (search_for_addr_array): Fix formatting.
205 2009-03-18 Richard Guenther <rguenther@suse.de>
207 * tree-vect-transform.c (vect_loop_versioning): Fold the
208 generated comparisons.
209 * tree-vectorizer.c (set_prologue_iterations): Likewise.
210 (slpeel_tree_peel_loop_to_edge): Likewise.
212 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
215 * opts.c (print_specific_help): In addition to `undocumented',
216 accept `separate' and `joined' flags if passed alone. Describe
217 output by the first matched one of those.
218 (common_handle_option): Skip over empty strings.
219 * gcc.c (display_help): Fix help string for `--help='.
220 * doc/invoke.texi (Option Summary, Overall Options): With
221 `--help=', classes and qualifiers can both be repeated, but
222 only the latter can be negated. One should not pass only
223 negated qualifiers. Fix markup and examples.
226 2008-10-14 Jakub Jelinek <jakub@redhat.com>
228 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
231 2009-03-17 Jing Yu <jingyu@google.com>
234 * function.h (struct rtl_data): Move is_thunk from here...
235 (struct function): ...to here.
236 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
237 * varasm.c (assemble_start_function): Change is_thunk from crtl to
239 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
241 (alpha_does_function_need_gp, alpha_start_function): Likewise.
242 (alpha_output_function_end_prologue): Likewise.
243 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
244 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
245 (rs6000_output_function_epilogue): Likewise.
246 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
248 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
251 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
252 from different units in a single alternative.
253 (*truncdfsf_i387): Ditto.
254 (*truncxfsf2_mixed): Ditto.
255 (*truncxfdf2_mixed): Ditto.
257 2009-03-17 Jakub Jelinek <jakub@redhat.com>
259 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
260 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
263 * tree-ssa-live.c (remove_unused_locals): Don't remove local
264 unused non-artificial variables when not optimizing.
267 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
268 DW_TAG_imported_module even if decl is IMPORTED_DECL with
269 NAMESPACE_DECL in its DECL_INITIAL.
272 * optabs.c (set_user_assembler_libfunc): New function.
273 * expr.h (set_user_assembler_libfunc): New prototype.
274 * c-common.c: Include libfuncs.h.
275 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
276 for memcmp, memset, memcpy, memmove and abort.
277 * Makefile.in (c-common.o): Depend on libfuncs.h.
280 * dwarf2out.c (gen_inlined_enumeration_type_die,
281 gen_inlined_structure_type_die, gen_inlined_union_type_die,
282 gen_tagged_type_instantiation_die): Removed.
283 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
286 2009-03-17 Janis Johnson <janis187@us.ibm.com>
289 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
291 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
292 (check-parallel-%): Ditto.
293 (check-consistency): Ditto.
295 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
297 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
298 local variable rhs by NULL_TREE.
300 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
303 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
305 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
308 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
310 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
313 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
314 for ms->sysv ABI calls only in 64bit mode.
316 * config/i386/i386.md (untyped_call): Support 32bit.
318 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
320 * doc/extend.texi: Replace x86_65 with x86_64.
322 2009-03-16 Jakub Jelinek <jakub@redhat.com>
324 PR tree-optimization/39455
325 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
326 mismatches for POINTER_TYPE_P (type).
327 (number_of_iterations_le): Likewise.
329 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
331 * config/picochip/picochip.c: Removed profiling support.
332 * config/picochip/picochip.md: Removed profiling instruction.
333 * config/picochip/picochip.h: Removed profiling builtin.
335 2009-03-16 Joseph Myers <joseph@codesourcery.com>
337 * doc/install.texi (--with-host-libstdcxx): Document.
339 2009-03-14 Anatoly Sokolov <aesok@post.ru>
342 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
343 generate a warning if the function name does not begin with
344 "__vector" and the function has either the 'signal' or 'interrupt'
345 attribute, from here to ...
346 (avr_declare_function_name): ...here. New function.
347 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
348 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
350 2009-03-14 Jakub Jelinek <jakub@redhat.com>
353 * cse.c (fold_rtx): Don't modify original const_arg1 when
354 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
355 separate variable instead.
356 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
357 from out of range shift counts.
358 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
360 2008-03-13 Catherine Moore <clm@codesourcery.com>
362 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
363 diagnostic.h with $(DIAGNOSTIC_H).
365 2008-03-12 Jakub Jelinek <jakub@redhat.com>
368 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
370 * config/i386/sync.md (sync_compare_and_swap<mode>,
371 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
372 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
374 (sync_double_compare_and_swapdi_pic,
375 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
376 cmpxchg8b_pic_memory_operand instead of just memory_operand.
378 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
381 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
383 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
386 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
387 (avx_addsubv4df3): Likewise.
388 (*avx_addsubv4sf3): Likewise.
389 (sse3_addsubv4sf3): Likewise.
391 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
394 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
396 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
399 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
400 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
401 registers for allocnos created from user-defined variables.
403 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
406 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
407 of non-integer mode as well.
409 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
411 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
412 for functions for which the parameter types are unknown.
414 2009-03-11 Jakub Jelinek <jakub@redhat.com>
417 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
418 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
419 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
420 * config/i386/i386.c (ix86_local_alignment): For
421 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
422 long long variables on the stack to avoid dynamic realignment.
423 Allow the first argument to be a decl rather than type.
424 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
426 2009-03-11 Nick Clifton <nickc@redhat.com>
429 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
431 Add description to mno-lsim option.
432 * config/mcore/mcore.h: Remove comment about deprecated m4align
434 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
435 * doc/invoke.texi: Add description of mno-lsim and
436 mstack-increment options.
438 * config/fr30/fr30.opt: Document the -mno-lsim option.
439 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
440 and -mno-lsim options.
442 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
444 * fold-const.c (fold_comparison): Only call fold_inf_compare
445 if the mode supports infinities.
447 2009-03-11 Jason Merrill <jason@redhat.com>
450 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
451 end already did. Notice GIMPLE_CALL modifications of the result.
452 Don't copy debug information from an ignored decl or a decl from
455 2009-03-10 Richard Guenther <rguenther@suse.de>
456 Nathan Froyd <froydnj@codesourcery.com>
459 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
460 (__divMODE3): Likewise.
462 2009-03-09 Jakub Jelinek <jakub@redhat.com>
464 PR tree-optimization/39394
465 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
466 DECL_SIZE_UNIT of variable length FIELD_DECLs.
468 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
470 * recog.c (verfiy_changes): Disallow renaming of hard regs in
471 inline asms for register asm ("") declarations.
473 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
475 * fold-const.c (fold_unary): Fix comment.
477 2009-03-07 Jan Hubicka <jh@suse.cz>
480 * tree-inline.c (setup_one_parameter): Do replacement of const
481 argument by constant in SSA form.
483 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
486 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
487 determine alignment passed to assign_stack_local.
488 (assign_parms_unsplit_complex): Likewise.
489 * except.c (sjlj_build_landing_pads): Likewise.
491 2009-03-06 Jakub Jelinek <jakub@redhat.com>
494 * tree-flow.h (add_referenced_var): Return bool instead of void.
495 * tree-dfa.c (add_referenced_var): Return result of
496 referenced_var_check_and_insert call.
497 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
498 of referenced_var_check_and_insert.
501 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
502 (gen_variable_die): Emit DW_AT_location on abstract static variable's
503 DIE, don't emit it if abstract origin already has it.
504 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
505 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
507 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
509 * genpreds.c: (needs_variable): Fix parentheses at variable name
511 (write_tm_constrs_h): Indent generated code.
513 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
515 * doc/extend.texi (Function Attributes): Add documentation
518 2009-03-06 Jakub Jelinek <jakub@redhat.com>
521 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
522 take locus from its DECL_SOURCE_LOCATION instead of input_location.
524 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
526 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
529 2009-03-05 Jakub Jelinek <jakub@redhat.com>
532 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
533 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
535 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
537 * config/i386/i386.md (R8_REG, R9_REG): New constants.
538 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
539 constants instead of magic numbers.
540 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
542 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
543 (x86_64_ms_abi_int_parameter_registers): Ditto.
544 (x86_64_int_return_registers): Ditto.
545 (ix86_maybe_switch_abi): Ditto.
546 (ix86_expand_call): Ditto for clobbered_registers array.
547 (ix86_hard_regno_mode_ok): Ditto.
548 (x86_extended_QIreg_mentioned_p): Ditto.
550 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
552 PR tree-optimization/39349
553 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
555 * combine.c (gen_lowpart_for_combine): Use omode when generating
558 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
560 PR rtl-optimization/39235
561 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
563 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
565 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
567 2009-03-04 Richard Guenther <rguenther@suse.de>
569 PR tree-optimization/39362
570 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
571 that occur in abnormal PHIs should be varying.
573 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
575 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
577 (simple_iv): Take loop as an argument instead of statement.
578 * tree-scalar-evolution.h (simple_iv): Declaration changed.
579 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
581 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
583 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
584 * matrix-reorg.c (analyze_transpose): Ditto.
585 * tree-data-ref.c (dr_analyze_innermost): Ditto.
586 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
587 * tree-predcom.c (ref_at_iteration): Ditto.
588 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
590 2009-03-04 Richard Guenther <rguenther@suse.de>
592 PR tree-optimization/39358
593 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
594 escaped_id and callused_id.
595 (solve_graph): Likewise.
597 2009-03-04 Richard Guenther <rguenther@suse.de>
599 PR tree-optimization/39339
600 * tree-sra.c (try_instantiate_multiple_fields): Make it
601 no longer ICE on the above.
603 2009-03-03 Joseph Myers <joseph@codesourcery.com>
605 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
606 that fits within Pmode.
608 2009-03-03 Steve Ellcey <sje@cup.hp.com>
611 * tm.texi (LIBCALL_VALUE): Update description.
613 2009-03-03 Steve Ellcey <sje@cup.hp.com>
616 * doc/extend.texi (section): Update description.
618 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
621 * tree-inline.c (remapped_type): New.
622 (can_be_nonlocal): Call remapped_type instead of remap_type.
624 2009-03-03 Jakub Jelinek <jakub@redhat.com>
627 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
628 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
630 2009-03-03 Richard Guenther <rguenther@suse.de>
633 * tree.c (tree_nonartificial_location): New function.
634 * tree.h (tree_nonartificial_location): Declare.
635 * builtins.c (expand_builtin_memory_chk): Provide location
636 of the call location for artificial function pieces.
637 (maybe_emit_chk_warning): Likewise.
638 (maybe_emit_sprintf_chk_warning): Likewise.
639 (maybe_emit_free_warning): Likewise.
640 * expr.c (expand_expr_real_1): Likewise.
642 2009-03-03 Jakub Jelinek <jakub@redhat.com>
644 PR tree-optimization/39343
645 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
646 COMPONENT_REF t has ARRAY_TYPE.
648 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
651 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
652 when the type precision of the induction variable should be
653 larger than the type precision of nit.
654 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
655 * graphite.c (graphite_loop_normal_form): Same.
656 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
658 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
660 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
661 (*call_1_rex64_ms_sysv): Use named constants instead of magic
662 numbers to describe clobbered registers.
663 (*call_value_0_rex64_ms_sysv): Ditto.
664 * config/i386/mmx.md (mmx_emms): Ditto.
667 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
669 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
672 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
674 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
675 (spu_section_type_flags): New function.
677 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
679 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
680 reg_class_contents of FLOAT_REGS into a temporary.
682 2009-03-02 Richard Guenther <rguenther@suse.de>
683 Ira Rosen <irar@il.ibm.com>
685 PR tree-optimization/39318
686 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
687 information to the vectorized statement.
689 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
691 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
692 variable. Use defined names instead of magic constants for REX SSE
695 2009-03-01 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/39331
698 * omp-low.c (lower_send_shared_vars): Do not receive new
699 values for the reference of DECL_BY_REFERENCE parms or results.
701 2009-03-01 Jan Hubicka <jh@suse.cz>
704 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
705 BLOCK_NONLOCALIZED_VAR): New macros.
706 (tree_block): Add nonlocalized_vars.
707 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
708 gen_decl_die): Add origin argument. Allow generation of die with
710 (gen_member_die, gen_type_die_with_usage, force_decl_die,
711 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
713 (gen_block_die): Fix checking for unused blocks.
714 (process_scope_var): Break out from .... ; work with origins only.
715 (decls_for_scope) ... here; process nonlocalized list.
716 (dwarf2out_ignore_block): Look for nonlocalized vars.
717 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
719 (dump_scope_block): Dump them.
720 * tree-inline.c (remap_decls): Handle nonlocalized vars.
721 (remap_block): Likewise.
722 (can_be_nonlocal): New predicate.
723 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
725 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
727 * configure: Regenerate.
729 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
731 * optc-gen.awk: No need to duplicate option flags twice.
732 Reuse help texts for duplicate options which do not have any.
734 * gcc.c (display_help): Document --version.
736 * gcc.c (main): If print_help_list and verbose_flag, ensure
737 driver output comes before subprocess output.
739 * optc-gen.awk: Assign all remaining fields to help string,
740 space-separated, for multi-line help in *.opt.
742 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
743 -Wno-pedantic-ms-format is for MinGW targets only.
745 * doc/options.texi (Option file format): Fix bad indentation,
746 restoring dropped sentence.
748 2009-02-28 Jan Hubicka <jh@suse.cz>
750 * tree-inline.c (tree_function_versioning): Output debug info.
752 2009-02-28 Jan Hubicka <jh@suse.cz>
755 * tree-inline.c (setup_one_parameter): Do not copy propagate
756 arguments when not optimizing.
758 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
761 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
762 (avx_addsubv4df3): Likewise.
763 (*avx_addsubv4sf3): Likewise.
764 (sse3_addsubv4sf3): Likewise.
765 (*avx_addsubv2df3): Likewise.
766 (sse3_addsubv2df3): Likewise.
767 (avx_unpckhps256): Correct item selectors.
768 (avx_unpcklps256): Likewise.
769 (avx_unpckhpd256): Likewise.
770 (avx_unpcklpd256): Likewise.
772 2009-02-28 Jan Hubicka <jh@suse.cz>
774 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
776 (copy_arguments_for_versioning): If var is declared don't declare it.
777 (tree_function_versioning): First setup substitutions and then copy
780 2009-02-27 Jan Hubicka <jh@suse.cz>
783 * cgraph.h (varpool_output_debug_info): Remove.
784 * cgraphunit.c (varpool_output_debug_info): Remove.
785 * dwarf2out.c (deferred_locations_struct): New struct
786 (deferred_locations): New type.
787 (deferred_locations_list): New static var.
788 (deffer_location): New function.
789 (gen_variable_die): Use it.
790 (decls_for_scope): Output info on local static vars.
791 (dwarf2out_finish): Process deferred locations.
792 * varpool.c (varpool_output_debug_info): Remove.
794 2009-02-27 Jan Hubicka <jh@suse.cz>
797 * tree.h (TREE_PROTECTED): Fix comment.
798 (BLOCK_HANDLER_BLOCK): Remove.
799 (struct tree_block): Remove handler_block add body_block.
800 (inlined_function_outer_scope_p): New.
801 (is_body_block): Remove.
802 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
803 * dwarf2out.c (is_inlined_entry_point): Remove.
804 (add_high_low_attributes): Use inlined_function_outer_scope_p.
805 (gen_block_die): Use is_inlined_entry_point check. Remove body block
807 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
808 * gimplify.c (gimplify_expr): Gimplify body blocks.
809 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
810 block with multiple subblocks.
811 (dump_scope_block): Prettier output; dump more flags and info.
812 (dump_scope_blocks): New.
813 (remove_unused_locals): Use dump_scope_blocks.
814 * tree-flow.h (dump_scope_blocks): Declare.
815 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
816 * stmt.c (is_body_block): Remove.
817 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
818 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
820 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
823 * graphite.c (graphite_loop_normal_form): Do not call
824 number_of_iterations_exit from a gcc_assert.
826 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
828 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
829 jumps if COND is NULL.
830 (find_cond_jump): New function.
831 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
832 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
834 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
836 * config/alpha/alpha.h (alpha_expand_mov): Return false if
837 force_const_mem returns NULL_RTX.
839 2009-02-26 Jan Hubicka <jh@suse.cz>
842 * cgraph.h (varpool_output_debug_info): Remove.
843 * cgraphunit.c (varpool_output_debug_info): Remove.
844 * dwarf2out.c (deferred_locations_struct): New struct
845 (deferred_locations): New type.
846 (deferred_locations_list): New static var.
847 (deffer_location): New function.
848 (gen_variable_die): Use it.
849 (decls_for_scope): Output info on local static vars.
850 (dwarf2out_finish): Process deferred locations.
851 * varpool.c (varpool_output_debug_info): Remove.
853 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
855 PR rtl-optimization/39241
856 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
857 to subreg_offset_representable_p.
859 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
861 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
862 execute function prototype. Get f and nregs from max_reg_num
863 and get_insns. Remove the first backward pass as it's dead,
864 guard the forward pass by flag_expensive_optimizations.
865 (rest_of_handle_regmove): Delete.
866 (pass_regmove): Replace it with regmove_optimize.
868 2009-02-25 Martin Jambor <mjambor@suse.cz>
870 PR tree-optimization/39259
871 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
872 calls_alloca function flags.
873 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
876 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
878 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
879 flags_set_1_rtx, flags_set_1_set): Delete.
880 (regmove_optimize): Do not call mark_flags_life_zones.
882 2009-02-24 Julian Brown <julian@codesourcery.com>
885 * config/arm/arm.c (require_pic_register): Only set
886 cfun->machine->pic_reg once per function.
888 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
890 * doc/invoke.texi (Link Options): Document an easier way to pass
891 options that take arguments to the GNU linker using -Xlinker and -Wl.
893 2009-02-24 Steve Ellcey <sje@cup.hp.com>
896 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
898 2009-02-24 Richard Guenther <rguenther@suse.de>
901 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
903 2009-02-24 Richard Guenther <rguenther@suse.de>
904 Zdenek Dvorak <ook@ucw.cz>
906 PR tree-optimization/39233
907 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
908 from converting them to a generic type.
910 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
912 PR tree-optimization/39260
913 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
914 contains a condition with a real type.
915 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
917 2009-02-23 Jason Merrill <jason@redhat.com>
920 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
921 narrowing_initializer_constant_valid_p.
922 (narrowing_initializer_constant_valid_p): Don't return
923 null_pointer_node for adding a pointer to itself.
925 2009-02-23 Jan Hubicka <jh@suse.cz>
928 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
931 2009-02-23 Jan Hubicka <jh@suse.cz>
933 PR tree-optimization/37709
934 * tree.c (block_ultimate_origin): Move here from dwarf2out.
935 * tree.h (block_ultimate_origin): Declare.
936 * dwarf2out.c (block_ultimate_origin): Move to tree.c
937 * tree-ssa-live.c (remove_unused_scope_block_p):
938 Eliminate blocks containig no instructions nor live variables nor
940 (dump_scope_block): New function.
941 (remove_unused_locals): Enable removal of dead blocks by default;
942 enable dumping at TDF_DETAILS.
944 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
946 * config/i386/i386.c (classify_argument): Don't allow COImode
948 (function_arg_advance_32): Don't allow OImode.
949 (function_arg_32): Likewise.
950 (function_value_32): Likewise.
951 (return_in_memory_32): Likewise.
952 (function_arg_64): Remove OImode comment.
954 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
957 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
958 ix86_expand_vector_set for V4DImode in 64bit mode only.
959 (ix86_expand_vector_init_one_var): Likewise.
961 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
963 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
965 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
968 * loop-iv.c: Revert last change.
969 * emit-rtl.c: Likewise.
971 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
974 * config/i386/i386.c (type_natural_mode): Remove an extra
975 space in the warning message.
976 (function_value_32): Handle 32-byte vector modes.
977 (return_in_memory_32): Likewise.
979 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
981 * loop-iv.c (truncate_value): New function.
982 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
984 (lowpart_subreg): Move to...
985 * emit-rtl.c: ...here.
987 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
989 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
990 accidental and undocumented change at revision 140860.
992 2009-02-21 Joseph Myers <joseph@codesourcery.com>
994 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
995 take gimple_seq * arguments.
996 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
997 types_compatible_p langhook.
999 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1000 Joseph Myers <joseph@codesourcery.com>
1002 * config/arm/arm.c (arm_builtin_va_list): New function.
1003 (arm_expand_builtin_va_start): Likewise.
1004 (arm_gimplify_va_arg_expr): Likewise.
1005 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1006 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1007 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1008 (va_list_type): New variable.
1009 (arm_mangle_type): Mangle va_list_type appropriately.
1011 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1014 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1015 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1016 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1017 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1018 parameter to 1000 for -O1 by default.
1019 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1021 * loop-invariant.c: Include params.h.
1022 (move_loop_invariants): Don't call move_single_loop_invariants on
1025 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1027 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1028 offset when calculating bounds for indexing stack_usage_map. Fixes
1029 a buffer overflow with certain target setups.
1031 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1034 * calls.c (expand_call): Clear try_tail_call if caller and callee
1035 disagree in promotion of function return value.
1037 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1040 * c-common.c (c_determine_visibility): If visibility changed and
1041 DECL_RTL has been already set, call make_decl_rtl to update symbol
1044 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1047 * varasm.c (assemble_variable): Don't check DECL_NAME when
1048 globalizing a variable.
1050 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1053 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1054 expression before any __builtin_trap call.
1055 * c-typeck.c (build_function_call): Convert and check function
1056 arguments before generating a call to a trap. Evaluate the
1057 function arguments before the trap.
1059 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1062 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1063 (UNSPEC_FXAM_MEM): New unspec.
1064 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1065 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1066 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1068 2009-02-19 Richard Guenther <rguenther@suse.de>
1070 PR tree-optimization/39207
1071 PR tree-optimization/39074
1072 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1073 storedanything_tree): New.
1074 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1075 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1076 (build_succ_graph): Add edges from STOREDANYTHING to all
1078 (init_base_vars): Initialize STOREDANYTHING.
1079 (compute_points_to_sets): Free substitution info after
1080 building the succ graph.
1081 (ipa_pta_execute): Likewise.
1083 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1085 (do_ds_constraint): Do not add to special var or non-pointer
1087 (type_could_have_pointers): Split out from ...
1088 (could_have_pointers): ... here. For arrays use the element type.
1089 (create_variable_info_for): Initialize may_have_pointers.
1090 (new_var_info): Likewise.
1091 (handle_lhs_call): Make the HEAP variable unknown-sized.
1092 (intra_create_variable_infos): Use a type with pointers for
1093 PARM_NOALIAS, make it unknown-sized.
1095 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1098 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1100 2009-02-18 Jason Merrill <jason@redhat.com>
1103 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1104 value if DECL_EXTERNAL.
1105 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1106 * target.h (gcc_target::binds_local_p): Clarify "module".
1107 * tree.h (TREE_PUBLIC): Clarify "module".
1109 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1112 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1113 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1115 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1118 * c.opt (Wabi): Support C and ObjC.
1121 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1123 * config/i386/i386.c (classify_argument): Warn once about the ABI
1124 change when passing union with long double.
1126 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1128 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1131 * c-parser.c (c_parser_compound_statement): Always enter and leave
1134 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1137 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1139 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1141 PR tree-optimization/36922
1142 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1143 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1146 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1148 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1151 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1153 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1155 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1157 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1160 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1161 Richard Sandiford <rdsandiford@googlemail.com>
1163 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1164 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1165 (loongson_biadd): ...this.
1167 2009-02-17 Richard Guenther <rguenther@suse.de>
1169 PR tree-optimization/39202
1170 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1171 a var make sure to follow existing collapses.
1173 2009-02-17 Richard Guenther <rguenther@suse.de>
1176 * langhooks.c (lhd_print_error_function): Check for NULL block.
1178 2009-02-17 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/39204
1181 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1184 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1186 * config/soft-fp/double.h: Update from glibc CVS.
1188 2009-02-17 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/39207
1191 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1192 strict-aliasing warnings for pointers pointing to NULL.
1194 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1197 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1198 skipping until next close brace.
1200 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1203 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1204 to function argument boundary.
1206 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1208 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1209 in the lea_add. Reload eventually constraints it properly.
1210 * config/picochip/constraints.md : Remove the target constraint
1211 "b", since it is not needed anymore.
1213 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1215 * gthr-dce.h: Uglify function parameter and local variable names.
1216 * gthr-gnat.h: Likewise.
1217 * gthr-mipssde.h: Likewise.
1218 * gthr-nks.h: Likewise.
1219 * gthr-posix95.h: Likewise.
1220 * gthr-posix.h: Likewise.
1221 * gthr-rtems.h: Likewise.
1222 * gthr-single.h: Likewise.
1223 * gthr-solaris.h: Likewise.
1224 * gthr-tpf.h: Likewise.
1225 * gthr-vxworks.h: Likewise.
1226 * gthr-win32.h: Likewise.
1228 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1231 * config/i386/i386.md: Restrict the new peephole2 to move
1232 between MMX/SSE registers.
1234 2009-02-15 Richard Guenther <rguenther@suse.de>
1237 2009-02-13 Richard Guenther <rguenther@suse.de>
1239 * configure.ac: Enable LFS.
1240 * configure: Re-generate.
1241 * config.in: Likewise.
1243 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1245 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1246 spu_srqwbyte, spu_srqwbytebc): Define.
1247 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1248 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1249 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1250 "shrqby_<mode>"): New insn-and-split patterns.
1251 * config/spu/spu.c (expand_builtin_args): Determine and return
1252 number of operands using spu_builtin_description data.
1253 (spu_expand_builtin_1): Use it.
1255 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1258 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1261 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1264 * config/i386/i386.c (override_options): Correct warning
1265 messages for -malign-loops, -malign-jumps and -malign-functions.
1267 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1270 * config/i386/i386.md: Restrict the new peephole2 to move
1271 between the general purpose registers.
1273 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1276 * config/i386/i386.c (type_natural_mode): Add a new argument.
1277 Return the original mode and warn ABI change if vector size is 32byte.
1278 (function_arg_advance): Updated.
1279 (function_arg): Likewise.
1280 (ix86_function_value): Likewise.
1281 (ix86_return_in_memory): Likewise.
1282 (ix86_sol10_return_in_memory): Likewise.
1283 (ix86_gimplify_va_arg): Likewise.
1284 (function_arg_32): Don't warn ABX ABI change here.
1285 (function_arg_64): Likewise.
1287 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1289 * loop-iv.c (implies_p): In the final case, test that operands 0
1290 of the two comparisons match.
1292 * config/bfin/bfin.c (find_prev_insn_start): New function.
1293 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1294 (find_next_insn_start): Move.
1296 2009-02-13 Richard Guenther <rguenther@suse.de>
1298 * configure.ac: Enable LFS.
1299 * configure: Re-generate.
1300 * config.in: Likewise.
1302 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1305 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1306 sizes on syntax error after some arguments have been parsed.
1308 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1310 * doc/invoke.texi (-fira): Remove.
1312 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1314 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1315 * recog.c: Likewise.
1318 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1320 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1321 (umul_ppmm): Likewise.
1322 (count_leading_zeros): Likewise.
1323 (count_trailing_zeros): Likewise.
1324 (UMUL_TIME): Likewise.
1326 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1328 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1329 soft-fp/t-softfp to tmake_file.
1331 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1332 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1333 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1334 IA64_BUILTIN_INFQ]: New.
1335 (ia64_init_builtins): Initialize __builtin_infq,
1336 __builtin_fabsq and __builtin_copysignq if not HPUX.
1337 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1338 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1340 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1342 (__fixtfti): Likewise.
1343 (__fixunstfti): Likewise.
1344 (__floattitf): Likewise.
1346 * config/ia64/libgcc-glibc.ver: New.
1347 * config/ia64/t-fprules-softfp: Likewise.
1348 * config/ia64/sfp-machine.h: Likewise.
1350 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1351 (LIBGCC2_TF_CEXT): Likewise.
1352 (TF_SIZE): Likewise.
1353 (TARGET_INIT_LIBFUNCS): Likewise.
1355 * config/ia64/t-glibc (SHLINB_MAPFILES):
1356 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1358 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1360 * config/i386/i386.c (construct_container): Rewrite processing
1361 BLKmode with X86_64_SSE_CLASS.
1363 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1366 * config/i386/i386.md: Replace simplify_replace_rtx with
1367 replace_rtx in the new peephole2.
1369 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1371 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1372 loop unrolling do not happen at -O2.
1374 2009-02-12 Michael Matz <matz@suse.de>
1376 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1378 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1380 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1383 2009-02-12 Ben Elliston <bje@au.ibm.com>
1385 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1386 patterns when updating the back chain. Missed in the 2009-02-10
1389 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1391 * doc/extend.texi (Decimal Floating Types): Update identifier of
1392 draft TR and list of missing support.
1394 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1397 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1398 bit to variable length decl's flags, add it also to its
1399 pointer replacement variable.
1401 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1402 Jakub Jelinek <jakub@redhat.com>
1405 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1406 (memory_blockage): New expander.
1407 (*memory_blockage): New insn pattern.
1408 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1409 instead of general blockage at the end of function prologue when
1410 frame pointer is used to access red zone area. Do not emit blockage
1411 when profiling, it is emitted in generic code.
1412 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1413 function epilogue when frame pointer is used to access red zone area.
1415 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1418 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1419 by arithmetic with memory operands.
1420 * config/i386/predicates.md (commutative_operator): New.
1422 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1424 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1427 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1429 * alias.h (record_alias_subset): Declare.
1430 * alias.c (record_alias_subset): Make global.
1432 2009-02-10 Nick Clifton <nickc@redhat.com>
1434 * tree-parloops.c: Change license to GPLv3.
1435 * ipa-struct-reorg.c: Change license to GPLv3.
1436 * ipa-struct-reorg.h: Change license to GPLv3.
1438 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1441 * c-decl.c (start_struct): Return NULL on error.
1443 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1446 * cfgloopmanip.c (remove_path): Call remove_bbs after
1447 cancel_loop_tree, not before it.
1450 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1451 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1452 VAR_DECLs were seen.
1453 * tree-ssa-live.c (remove_unused_locals): Recompute
1454 cfun->has_local_explicit_reg_vars.
1455 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1456 copies or clearings if cfun->has_local_explicit_reg_vars.
1458 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1461 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1462 of function prologue when frame pointer is used to access
1465 2009-02-10 Richard Guenther <rguenther@suse.de>
1468 * gimplify.c (gimple_regimplify_operands): Always look if
1469 we need to create a temporary.
1471 2009-02-10 Richard Guenther <rguenther@suse.de>
1473 PR tree-optimization/39132
1474 * tree-loop-distribution.c (todo): New global var.
1475 (generate_memset_zero): Trigger TODO_rebuild_alias.
1476 (tree_loop_distribution): Return todo.
1478 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1481 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1482 (x86_64_reg_class_name): Removed.
1483 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1484 first one isn't X86_64_SSE_CLASS or any other ones aren't
1485 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1486 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1487 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1488 and 3 X86_64_SSEUP_CLASS.
1489 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1490 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1492 2009-02-10 Ben Elliston <bje@au.ibm.com>
1494 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1495 form instruction to update the stack back chain word, even if the
1496 user has disabled the generation of update instructions.
1497 (movdi_<mode>_update_stack): New.
1498 (movsi_update_stack): Likewise.
1499 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1500 always use an update form instruction to update the stack back
1503 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1506 * graphite.c (if_region_set_false_region): After moving a region in
1507 the false branch of a condition, remove the empty dummy basic block.
1508 (gloog): Remove wrong fix for PR38953.
1510 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1512 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1513 generation due to implicit sign extension.
1515 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1518 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1519 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1521 2009-02-09 Richard Guenther <rguenther@suse.de>
1524 * convert.c (convert_to_real): Disable (float)fn((double)x)
1525 to fnf(x) conversion if errno differences may occur and
1526 -fmath-errno is set.
1528 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1530 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1531 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1532 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1534 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1537 * c-common.c (handle_alias_attribute): Disallow attribute for
1538 anything not a FUNCTION_DECL or VAR_DECL.
1540 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1543 * real.c (do_compare): Special-case compare of zero against
1544 decimal float value.
1546 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1549 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1550 as indicating flexible array members unless the field itself is
1551 being declarared as the incomplete array.
1553 2009-02-06 Jan Hubicka <jh@suse.cz>
1555 PR tree-optimization/38844
1556 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1559 2009-02-06 Richard Guenther <rguenther@suse.de>
1562 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1563 fork because we may expand it as __gcov_fork.
1565 2009-02-06 Nick Clifton <nickc@redhat.com>
1567 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1569 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1571 PR tree-optimization/35659
1572 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1573 vn_phi_eq): Shortcut if hashcode does not match.
1574 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1576 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1577 and avoid iterative_hash_expr.
1578 (FOR_EACH_VALUE_ID_IN_SET): New.
1579 (value_id_compare): Remove.
1580 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1581 sort expressions by value id.
1583 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1586 * config/sh/predicates.md (general_movsrc_operand): Don't check
1587 the subreg of system registers here.
1589 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1592 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1595 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1597 PR rtl-optimization/39110
1598 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1599 addresses, not aligned ones.
1601 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1602 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/39100
1605 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1606 comment says and add edges.
1608 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1611 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1612 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1614 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1616 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1617 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1618 register_bb_in_sese, new_sese, free_sese): Moved.
1619 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1620 outermost_loop_in_scop, build_scop_iteration_domain,
1621 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1622 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1623 Use loop_in_sese_p instead of loop_in_scop_p.
1624 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1625 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1626 (scopdet_basic_block_info): Fix bug in scop detection.
1627 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1628 eq_loop_to_cloog_loop): Remove.
1629 (nb_loops_around_loop_in_scop, nb_loop
1630 ref_nb_loops): Moved here...
1631 * graphite.h (ref_nb_loops): ... from here.
1632 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1633 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1634 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1635 * testsuite/gcc.dg/graphite/scop-19.c: New
1637 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1638 Hans-Peter Nilsson <hp@axis.com>
1640 PR rtl-optimization/37889
1641 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1642 Move offset handling from PLUS to before the switch. Use new
1643 arguments when considering SYMBOL_REFs too.
1644 (rtx_addr_can_trap_p): Pass dummy offset and size.
1645 (enum may_trap_p_flags): Remove.
1646 (may_trap_p_1): Pass size from MEM_SIZE.
1648 PR rtl-optimization/38921
1649 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1650 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1651 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1652 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1654 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1656 AVX Programming Reference (January, 2009)
1657 * config/i386/sse.md (*vpclmulqdq): New.
1659 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1661 PR tree-optimization/38977
1662 PR gcov-profile/38292
1663 * calls.c (special_function_p): Disregard __builtin_ prefix.
1665 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1667 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1668 non-indexable addresses even before reload.
1670 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1673 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1674 as having variable size. Do not give an error for unnamed
1675 parameters with [*] declarators. Give a warning for type names
1676 with [*] declarators and mark them as variable size.
1677 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1678 for sizeof applied to [*] type names.
1680 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1683 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1685 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1687 * gcc.c (process_command): Update copyright notice dates.
1688 * gcov.c (print_version): Likewise.
1689 * gcov-dump.c (print_version): Likewise.
1690 * mips-tfile.c (main): Likewise.
1691 * mips-tdump.c (main): Likewise.
1693 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1696 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1697 for composite type involving a zero-length array type.
1699 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1702 * function.c (match_asm_constraints_1): Skip over
1703 initial optional % in the constraint.
1706 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1707 supported, don't accept FIXED_CSTs.
1708 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1709 and _Sat is used without _Fract/_Accum. Set specs->type to
1710 integer_type_node for cts_fract/cts_accum if fixed point is not
1713 2009-02-02 Catherine Moore <clm@codesourcery.com>
1715 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1717 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1719 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1720 (ABI_HAS_64BIT_SYMBOLS): Use it.
1721 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1723 2009-02-02 Paul Brook <paul@codesourcery.com>
1725 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1727 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1730 * recog.h (asm_operand_ok): Add constraints argument.
1731 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1732 recurse on matching constraint.
1733 (check_asm_operands): Pass constraints as 3rd argument to
1734 asm_operand_ok. Don't look up matching constraint here.
1735 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1738 2009-02-02 Ben Elliston <bje@au.ibm.com>
1740 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1741 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1743 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1745 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1746 information. Remove some obsolete information. Reorganize.
1748 * config/pa/fptr.c: Revert license to GPL 2.
1749 * config/pa/milli64.S: Likewise.
1751 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1754 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1755 LIBRARY name in, instead of hard-coding it.
1756 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1757 extra target make frag to tmake_files according to EH model.
1758 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1759 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1760 frags that define makefile variable EH_MODEL appropriately.
1761 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1762 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1763 to "-sjlj" according to type of EH configured.
1764 (LIBGCC_SONAME): Concatenate it to shared library base name.
1765 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1766 to "_sjlj" according to type of EH configured.
1767 (LIBGCC_SONAME): Concatenate it to shared library base name.
1768 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1769 (SHLIB_LINK): Add missing semicolon to if-else construct.
1770 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1771 string value of "pe_dll" command-line option.
1772 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1773 (SHLIB_SONAME): Use it when overriding t-cygming default.
1774 (SHLIB_IMPLIB): Override t-cygming default.
1775 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1776 string value of "pe_dll" command-line option.
1778 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1781 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1782 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1784 2009-01-31 Richard Guenther <rguenther@suse.de>
1786 PR tree-optimization/38937
1787 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1788 computing the transitive closure.
1790 2009-01-30 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/39041
1793 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1794 Propagate variable indices only if the types match for this stmt.
1796 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1799 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1800 inline but never defined.
1802 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1804 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1805 (*insv_h_di_reg_extimm): New insn.
1806 (*insv_l<mode>_reg_extimm): New insn.
1808 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1810 * config/picochip/picochip.c (flag_conserve_stack): set
1811 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1812 fconserve-stack. Reduce call-overhead used by inliner.
1814 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1817 * common.opt (flag_conserve_stack): Initialised to zero.
1819 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1822 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1823 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1826 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1828 * ira-color.c (allocno_reload_assign): Update comments.
1829 * regmove.c (regmove_optimize): Likewise.
1833 2009-01-29 Robert Millan <rmh@aybabtu.com>
1835 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1836 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1837 `MD_UNWIND_SUPPORT'.
1838 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1840 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1842 PR tree-optimization/39007
1843 * tree-loop-distribution.c (generate_builtin): Use
1844 recompute_dominator to compute the immediate dominator of the
1845 basic block just after the loop.
1847 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1849 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1850 (ASM_OUTPUT_DWARF_PCREL): Define.
1852 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1854 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1855 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1856 global. Modify entries about regmove and IRA.
1858 * ra-conflict.c: Remove the file.
1860 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1862 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1863 (pass_regclass_init): Rename to pass_reginfo_init.
1865 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1867 * toplev.h (flag_ira): Remove.
1869 * caller-save.c (setup_save_areas): Remove flag_ira.
1871 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1873 * global.c: Remove the file.
1875 * opts.c: (decode_options): Remove flag_ira.
1877 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1879 * regmove.c: Modify file description.
1880 (find_use_as_address, try_auto_increment): Define them only if
1881 AUTO_INC_DEC is defined.
1882 (replacement_quality, replace_in_call_usage, fixup_match_1,
1883 stable_and_no_regs_but_for_p): Remove.
1884 (reg_set_in_bb): Make it static.
1885 (regmove_optimize): Remove flag_ira and code which worked for
1888 * local-alloc.c: Remove the file.
1890 * common.opt (fira): Remove.
1892 * ira.c: Include except.h.
1893 (eliminable_regset): Move from global.c.
1894 (mark_elimination): Ditto. Remove flag_ira.
1895 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1896 equiv_mem_modified, validate_equiv_mem_from_store,
1897 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1898 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1899 no_equiv, recorded_label_ref): Move from local-alloc.c.
1900 (update_equiv_regs): Ditto. Make it static.
1901 (print_insn_chain, print_insn_chains): Move it from global.c.
1902 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1903 (build_insn_chain): Ditto. Make it static.
1904 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1905 Rename to init_live_subregs.
1906 (gate_ira): Remove flag_ira.
1908 * regclass.c: Rename reginfo.c. Change file description.
1909 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1910 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1911 (init_reg_sets_1): Remove code for evaluation of
1912 reg_class_superclasses and losing_caller_save_reg_set.
1913 (init_regs): Remove init_reg_autoinc.
1914 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1915 ok_for_base_p_nonstrict): Remove.
1916 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1917 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1918 corresponding entries.
1919 (dump_regclass, record_operand_costs, scan_one_insn,
1920 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1921 record_address_regs, auto_inc_dec_reg_p): Remove.
1922 (gt-regclass.h): Rename to gt-reginfo.h.
1924 * rtl.h (dump_global_regs, retry_global_alloc,
1925 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1927 * Makefile.in (RA_H): Remove.
1928 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1929 Rename regclass.o to reginfo.o.
1930 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1932 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1933 (GTFILES): Rename regclass.c to reginfo.c.
1935 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1936 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1938 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1939 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1941 (finish_spills): Ditto. Remove code for !flag_ira.
1943 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1946 * doc/invoke.texi (rtl debug options): Complete rewrite.
1947 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1949 * mode-switching.c (pass_mode_switching): Rename pass from
1950 "mode-sw" to "mode_sw".
1951 * except.c (pass_convert_to_eh_ranges): Rename pass from
1952 "eh-ranges" to "eh_ranges".
1953 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1957 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1958 Alexander Monakov <amonakov@ispras.ru>
1961 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1963 (move_exprs_to_boundary): Change return type and pass through
1964 should_move from move_op. Relax assert. Update usage ...
1965 (schedule_expr_on_boundary): ... here. Use should_move instead of
1967 (move_op_orig_expr_found): Indicate that insn was disconnected from
1969 (code_motion_process_successors): Do not call after_merge_succs
1970 callback if original expression was not found when traversing any of
1972 (code_motion_path_driver): Change return type. Update prototype.
1973 (move_op): Update comment. Add a new parameter (should_move). Update
1974 prototype. Set *should_move based on indication provided by
1975 move_op_orig_expr_found.
1977 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1979 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1980 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1981 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1982 * config/rs6000/rs6000.c (rs6000_override_options): Default
1983 avoid-indexed-addresses on for Power6, off for everything else.
1984 (avoiding_indexed_address_p): New function.
1985 (rs6000_legitimize_address): Use it.
1986 (rs6000_legitimate_address): Likewise.
1987 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1989 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1991 PR tree-optimization/38997
1992 * tree-loop-distribution.c (generate_memset_zero): Use
1993 POINTER_PLUS_EXPR for a pointer addition.
1995 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1997 * config/s390/s390.md (bswap<mode>2): New pattern added.
1999 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2001 * config/s390/s390.md (*tls_load_31): Added type attribute.
2003 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2005 * config/s390/s390.md: Fix a few comments.
2007 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2009 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2010 (*tm<mode>_full): Fixed z10prop attribute.
2011 (*tst<mode>_extimm): Fixed z10prop attribute.
2012 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2013 (*tstqiCCT_cconly): Fixed z10prop attribute.
2014 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2015 (*movsi_larl): Fixed z10prop attribute.
2016 (*movsi_zarch): Fixed z10prop attribute.
2017 (*movsi_eas): Fixed z10prop attribute.
2018 (*movhi): Fixed z10prop attribute.
2019 (*movqi): Fixed z10prop attribute.
2020 (*movstrictqi): Fixed z10prop attribute.
2021 (*mov<mode>): Fixed z10prop attribute.
2022 (*movcc): Fixed z10prop attribute.
2023 (*sethighpartdi_64): Fixed z10prop attribute.
2024 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2025 (*negdi2_sign_cc): Fixed z10prop attribute.
2026 (*negdi2_sign): Fixed z10prop attribute.
2027 (*absdi2_sign_cc): Fixed z10prop attribute.
2028 (*absdi2_sign): Fixed z10prop attribute.
2029 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2030 (*negabsdi2_sign): Fixed z10prop attribute.
2031 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2032 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2033 (doloop_si64): Fixed z10prop attribute.
2034 (doloop_si31): Fixed z10prop attribute.
2035 (doloop_long): Fixed z10prop attribute.
2036 (indirect_jump): Fixed z10prop attribute.
2037 (nop): Fixed z10prop attribute.
2038 (main_base_64): Fixed z10prop attribute.
2039 (reload_base_64): Fixed z10prop attribute.
2041 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2043 PR rtl-optimization/38740
2044 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2046 * config/mips/mips.c (mips_reorg): Likewise.
2048 2009-01-28 Richard Guenther <rguenther@suse.de>
2050 PR tree-optimization/38926
2051 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2052 with the correct value id to a value.
2053 (do_regular_insertion): Use the value number of edoubleprime
2054 for the value number of the expr.
2057 2008-08-21 Richard Guenther <rguenther@suse.de>
2059 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2060 a PHI ask VN if it is already available.
2061 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2062 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2064 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2067 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2068 set to varying whenever max has TREE_OVERFLOW set, similarly
2069 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2071 2009-01-28 Richard Guenther <rguenther@suse.de>
2074 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2075 uninitialized aggregate uses in call arguments.
2077 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2079 PR tree-optimization/38984
2080 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2081 the nothing_id variable if -fno-delete-null-pointer-checks.
2083 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2086 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2087 (set_got_offset_rex64): Ditto.
2089 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2092 * doc/extend.texi: Improve local variable with asm reg.
2094 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2096 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2097 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2098 was not supplied then set warn_packed_bitfield_compat to the
2100 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2103 2009-01-27 Richard Guenther <rguenther@suse.de>
2105 PR tree-optimization/38503
2106 * cfgexpand.c (expand_gimple_basic_block): Ignore
2107 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2108 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2109 variables that cannot have TBAA applied.
2110 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2113 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2116 * calls.c (initialize_argument_information): Do not wrap complex
2117 arguments in SAVE_EXPR.
2119 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2121 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2122 (INSTALL_LIBGCC): Revert typo commit.
2124 2009-01-26 Richard Guenther <rguenther@suse.de>
2126 PR tree-optimization/38745
2127 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2128 from special handling.
2130 2009-01-26 Richard Guenther <rguenther@suse.de>
2132 PR tree-optimization/38745
2133 * tree-ssa.c (execute_update_addresses_taken): Do not include
2134 variables that cannot possibly be a register in not_reg_needs.
2135 Do not clear TREE_ADDRESSABLE on vars that may not become
2137 * tree-ssa.c (update_alias_info_1): Include those in the set
2138 of addressable vars.
2140 2009-01-26 Richard Guenther <rguenther@suse.de>
2143 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2144 * tree-ssa-dse.c: Include langhooks.h
2145 (execute_simple_dse): Remove stores with zero size.
2147 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2150 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2153 2009-01-24 Julian Brown <julian@codesourcery.com>
2155 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2156 config/arm/linux-atomic.c.
2157 * config/arm/linux-atomic.c: New.
2159 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2161 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2162 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2163 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2165 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2168 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2171 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2173 PR tree-optimization/38953
2174 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2175 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2176 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2177 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2180 2009-01-24 Paul Brook <paul@codesourcery.com>
2182 * config/arm/neon.md (neon_type): Move to arm.md.
2183 (neon_mov<VSTRUCT>): Add neon_type attribute.
2184 * config/arm/arm.md (neon_type): Move to here.
2185 (conds): Add "unconditioal" and use as default for NEON insns.
2187 2009-01-24 Ben Elliston <bje@au.ibm.com>
2189 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2190 void *' warning from -Wc++-compat.
2191 * Makefile.in (dominance.o-warn): Remove.
2193 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2195 PR tree-optimization/38932
2196 * fold-const.c (fold_unary_ignore_overflow): New.
2197 * tree.h (fold_unary_ignore_overflow): Declare.
2198 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2199 * tree-ssa-sccvn.c (visit_reference_op_load,
2200 simplify_unary_expression): Likewise.
2202 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2204 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2205 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2206 regardless of their type.
2207 * c-common.c (handle_packed_attribute): Don't ignore packed on
2209 * c.opt (Wpacked-bitfield-compat): New warning option.
2210 * stor-layout.c (place_field): Warn if offset of a field changed.
2211 * doc/extend.texi (packed): Mention the ABI change.
2212 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2213 (Warning Options): Add it to the list.
2215 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2217 * c-opts.c (c_common_post_options): Fix a typo in comments.
2219 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2222 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2223 variables to static.
2224 * doc/invoke.texi (-fmerge-all-constants): Update description.
2226 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2229 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2230 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2232 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2234 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2236 (LOCAL_ALIGNMENT): Similarly.
2238 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2239 Joseph Myers <joseph@codesourcery.com>
2241 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2242 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2243 * config/arm/arm-tune.md: Regenerate.
2244 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2247 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2249 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2250 version number to five.
2252 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2255 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2256 * c-common.c (set_underlying_type): Likewise.
2257 (is_typedef_decl ): Likewise
2259 (set_underlying_type): Likewise.
2260 (is_typedef_type): Likewise.
2262 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2265 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2268 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2271 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2272 (LIBGCC_SPEC): Don't define.
2273 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2275 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2277 PR rtl-optimization/38879
2278 * alias.c (base_alias_check): Unaligned access via AND address can
2279 alias all surrounding object types except those with sizes equal
2280 or wider than the size of unaligned access.
2282 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2285 * c-decl.c: (clone_underlying_type): Move this ...
2286 * c-common.c (set_underlying_type): ... here.
2287 Also, make sure the function properly sets TYPE_STUB_DECL() on
2288 the newly created typedef variant type.
2289 (is_typedef_decl ): New entry point.
2290 * tree.h: Added a new member member_types_needing_access_check to
2291 struct tree_decl_non_common.
2292 (set_underlying_type): New entry point.
2293 (is_typedef_type): Likewise.
2295 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2297 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2298 Check whether two instructions have memory references that
2299 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2300 are helper functions for traversing.
2301 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2302 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2303 not to draw dependency edge for instructions with non-conflicting
2306 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2309 * longlong.h: Update copyright years. Use soft-fp license notice.
2310 Sync __clz_tab declaration with glibc.
2312 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2315 * doc/extend.texi (syscall_linkage): New.
2316 (version_id): Modify.
2318 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2319 Richard Guenther <rguenther@suse.de>
2321 PR tree-optimization/38747
2322 PR tree-optimization/38748
2323 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2324 conversion if the base address is an indirect reference and the
2325 aliasing sets could cause issues.
2327 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2329 * common.opt (fgraphite, fgraphite-identity): Add comment for
2330 explaining why these options are not documented.
2332 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2334 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2335 gimple_call_lhs is NULL.
2337 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2340 * emit-rtl.c (adjust_address_1): Make sure memref is never
2343 2009-01-20 Ben Elliston <bje@au.ibm.com>
2345 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2346 const qualifier from arg parameter. Remove unnecessary cast to char *.
2347 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2348 const qualifier from arg 2.
2350 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2352 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2354 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2357 * rtl.h (reinit_regs): New prototype.
2358 * regclass.c: Include ira.h.
2360 * Makefile.in (regclass.o): Add ira.h.
2361 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2363 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2366 * c-common.c (handle_aligned_attribute): Use
2367 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2368 default alignment value.
2370 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2372 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2373 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2375 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2376 __BIGGEST_ALIGNMENT__.
2378 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2380 2009-01-18 Richard Guenther <rguenther@suse.de>
2382 PR tree-optimization/38819
2383 * tree-flow.h (operation_could_trap_helper_p): Declare.
2384 * tree-eh.c (operation_could_trap_helper_p): Export.
2385 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2386 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2387 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2388 are about to insert a possibly trapping instruction and fail
2391 2009-01-18 Andreas Schwab <schwab@suse.de>
2393 * doc/install.texi (Configuration): Remove obsolete paragraph
2394 about use of --with-gnu-ld with --with-gnu-as.
2396 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2398 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2399 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2400 Follow spelling conventions.
2402 2009-01-18 Ben Elliston <bje@au.ibm.com>
2404 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2405 C++ warning about implicit conversion from void * to struct
2407 (bitmap_obstack_free): Likewise for bitmap_element *.
2408 * Makefile.in (bitmap.o-warn): Remove.
2410 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2412 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2414 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2415 Tobias Grosser <tobi.grosser@amd.com>
2417 * graphite.c (graphite_trans_scop_block): Do not block single
2420 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2422 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2423 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2424 test with assertion.
2426 2009-01-16 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/38835
2430 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2431 and INT + PTR -> (INT)(PTR p+ INT) folding.
2432 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2434 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2437 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2438 the subreg from a lowpart subreg if it is also casting the value.
2440 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2441 Tobias Grosser <tobi.grosser@amd.com>
2443 * graphite.c (compare_prefix_loops): New.
2444 (build_scop_canonical_schedules): Rewritten.
2445 (graphite_transform_loops): Move build_scop_canonical_schedules
2446 after build_scop_iteration_domain.
2448 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2449 Tobias Grosser <tobi.grosser@amd.com>
2451 * graphite.c (add_conditions_to_domain): Add the loops to
2452 the dimension of the iteration domain. Do copy the domain
2453 only when it exists.
2454 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2455 (add_conditions_to_constraints): New.
2456 (can_generate_code_stmt, can_generate_code): Removed.
2457 (gloog): Do not call can_generate_code.
2458 (graphite_transform_loops): Call add_conditions_to_constraints
2459 after building the iteration domain.
2461 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2463 PR tree-optimization/38789
2464 * tree-ssa-threadedge.c
2465 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2466 __builtin_constant_p.
2468 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2470 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2471 examined before deleting them.
2473 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2475 * function.c (aggregate_value_p): Correctly extract the function
2476 type from CALL_EXPR_FN lookup.
2478 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2480 * config/picochip/picochip.c (picochip_override_options): Revert
2481 CFI asm flag disable commited previously.
2483 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2484 Tobias Grosser <tobi.grosser@amd.com>
2485 Jan Sjodin <jan.sjodin@amd.com>
2487 * graphite.c (scan_tree_for_params): On substractions negate
2488 all the coefficients of the term.
2489 (clast_to_gcc_expression_red): New. Handle reduction expressions
2490 of more than two operands.
2491 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2492 (get_vdef_before_scop): Handle also the case of default definitions.
2494 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2496 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2497 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2498 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2500 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2501 Joey Ye <joey.ye@intel.com>
2504 * cfgexpand.c (expand_stack_alignment): Don't update stack
2505 boundary nor check incoming stack boundary here.
2506 (gimple_expand_cfg): Update stack boundary and check incoming
2507 stack boundary here.
2509 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2511 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2513 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2515 PR rtl-optimization/38245
2516 * calls.c (expand_call): Add stack arguments to
2517 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2518 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2519 in regs and partially in memory or BLKmode arguments.
2520 (emit_library_call_value_1): Add stack arguments to
2521 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2522 ACCUMULATE_OUTGOING_ARGS).
2523 * dce.c: Include tm_p.h.
2524 (find_call_stack_args): New function.
2525 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2527 (mark_insn): Call find_call_stack_args for CALL_Ps.
2528 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2529 forwards. Allocate and free arg_stores bitmap if needed, pass it
2530 down to deletable_insn_p, don't mark stores set in arg_stores
2531 bitmap, clear the bitmap at the beginning of each bb.
2532 * Makefile.in (dce.o): Depend on $(TM_P_H).
2534 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2537 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2538 to make sure the insn is a conditional test (bug 22599). Reformat a
2541 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2544 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2545 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2546 (gloog): Do not call cleanup_tree_cfg.
2547 (graphite_transform_loops): Call cleanup_tree_cfg after all
2548 scops have been code generated.
2550 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2551 * doc/gty.texi (Invoking the garbage collector): Added new node
2552 and section documenting ggc_collect.
2554 2009-01-14 Richard Guenther <rguenther@suse.de>
2556 PR tree-optimization/38826
2558 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2559 initialization notes only if we actually emitted a warning.
2560 (intra_create_variable_infos): Add constraints for a result decl
2561 that is passed by hidden reference.
2562 (build_pred_graph): Mark all related variables non-direct on
2565 2009-01-14 Nick Clifton <nickc@redhat.com>
2567 * ira-conflicts.c: Include addresses.h for the definition of
2569 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2570 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2572 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2575 * Makefile.in (ira-lives.o): Add except.h.
2577 * ira-lives.c: Include except.h.
2578 (process_bb_node_lives): Process can_throw_internal.
2580 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2582 PR rtl-optimization/38774
2583 * combine.c (simplify_set): When undoing cc_use change, don't do
2584 PUT_CODE on the newly created comparison, but instead put back the
2587 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2589 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2590 values. Remove duplicate arm8 entry.
2592 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2594 PR tree-optimization/38786
2595 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2596 the SSA_NAME case of expand_scalar_variables_expr.
2597 Set the type of an expression to the type of its assign statement.
2598 (expand_scalar_variables_expr): Also gather the scalar computation
2599 used to index the memory access. Do not pass loop_p.
2600 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2601 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2602 the gimple_stmt_iterator where it inserts new code.
2604 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2605 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2607 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2609 * graphite.h (debug_value): Removed.
2610 * graphite.c (debug_value): Removed.
2612 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2614 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2615 ldrd/strd with two 32-bit instructions.
2617 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2619 * config/arm/arm.c (struct processors): Pass for speed down into
2620 cost helper functions.
2621 (const_ok_for_op): Handle COMPARE and inequality nodes.
2622 (arm_rtx_costs_1): Rewrite.
2623 (arm_size_rtx_costs): Update prototype.
2624 (arm_rtx_costs): Pass speed down to helper functions.
2625 (arm_slowmul_rtx_costs): Rework cost calculations.
2626 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2627 (arm_9e_rtx_costs): Likewise.
2629 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2631 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2632 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2633 (alpha_legitimize_address): Do not split local symbols wider than
2634 UNITS_PER_WORD into HIGH/LO_SUM parts.
2636 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2639 * gcc.c (process_command): Replace call to execvp with calls
2640 to pex_one and exit.
2642 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2645 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2646 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2647 variant for devices with 3-byte PC.
2648 (__tablejump_elpm__) : New.
2650 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2653 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2654 offsetof member-designator, handle it as `[0].'.
2656 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2658 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2659 function when not using named sections on targets with named sections
2660 if branch distance is less than 262132.
2662 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2664 * combine.c (combine_instructions): Recompute
2665 optimize_this_for_speed_p for each BB in the main combine loop.
2667 2009-01-12 Tomas Bily <tbily@suse.cz>
2670 * tree-loop-distribution.c (prop_phis): New function.
2671 (generate_builtin): Call prop_phis.
2672 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2674 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2676 PR tree-optimization/38807
2677 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2678 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2680 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2682 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2683 subreg of op0 to the original op0.
2685 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2687 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2689 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2692 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2693 starting with digits.
2695 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2698 * config/arm/arm.c (arm_is_long_call_p): Don't call
2699 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2701 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2703 * regrename.c (regrename_optimize): Fix dumping.
2704 (find_oldest_value_reg): Preserve REG_POINTER.
2705 (copy_hardreg_forward_1): Likewise.
2707 2009-01-09 Diego Novillo <dnovillo@google.com>
2709 * gimple.h (struct gimple_statement_base) <uid>: Document
2710 the restrictions on its use.
2712 (gimple_set_uid): Tidy.
2714 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2716 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2717 zero guard even if align_bytes != 0 and count is smaller than
2720 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2722 PR rtl-optimization/38495
2723 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2724 (add_range_and_copies_from_move_list): Print all added ranges.
2725 Add ranges to memory optimized destination.
2727 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2731 * config/i386/i386.c (override_options): Reject
2732 -mstringop-strategy=rep_8byte with -m32.
2733 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2734 to 1. Do count comparison against epilogue_size_needed at compile
2735 time even when count_exp was constant forced into register. For
2736 size_needed don't jump to epilogue, instead just avoid aligning
2737 and invoke the body algorithm. If need_zero_guard, add zero guard
2738 even if count is non-zero, but smaller than size_needed + number of
2739 bytes that could be stored for alignment.
2740 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2741 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2742 but smaller than size_needed + number of bytes that could be stored
2743 for alignment. Compare size_needed with epilogue_size_needed instead
2744 of desired_align - align, don't adjust size_needed, pass
2745 epilogue_size_needed to the epilogue expanders.
2748 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2750 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2752 * pa.c (last_address): Change to unsigned.
2753 (update_total_code_bytes): Change argument to unsigned. Don't
2754 check if insn addresses are set.
2755 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2756 addresses are not set.
2757 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2759 2009-01-09 Nick Clifton <nickc@redhat.com>
2761 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2762 DECL_DECLARED_INLINE_P.
2764 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2767 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2768 GET_MODE (op0) in operand_subword_force calls.
2771 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2772 fold_convert arg0 operands to TREE_TYPE (op0) first.
2774 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2776 * params.def (ira-max-conflict-table-size): Decrease default value
2779 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2781 PR tree-optimization/37031
2782 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2784 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2785 allocate it using gc instead of heap, use VEC_quick_push instead of
2787 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2788 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2789 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2790 allocated vector from heap allocated.
2791 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2792 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2793 vector only after perfect_loop_nest_depth call.
2795 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2796 Jan Sjodin <jan.sjodin@amd.com>
2798 PR tree-optimization/38559
2799 * graphite.c (debug_value, copy_constraint,
2800 swap_constraint_variables, scale_constraint_variable, ): New.
2801 (get_lower_bound, get_upper_bound): Removed.
2802 (graphite_trans_bb_strip_mine): Clean up this code that works
2803 only for constant number of iterations. Fully copy upper and
2804 lower bound constraints, not only the constant part of them.
2805 * graphite.h (debug_value): Declared.
2807 2009-01-08 Ira Rosen <irar@il.ibm.com>
2809 PR tree-optimization/37194
2810 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2811 Don't add the cost of cost model guard in prologue to scalar
2812 outside cost in case of known number of iterations.
2814 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2815 Alan Modra <amodra@bigpond.net.au>
2817 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2818 non-word-aligned REG+CONST addressing.
2820 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2823 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2824 free_after_compilation when outputting a thunk.
2825 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2826 Do not call free_after_compilation here.
2828 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2830 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2831 (ix86_valid_target_attribute_inner_p): Ditto.
2833 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2835 PR tree-optimization/38492
2836 PR tree-optimization/38498
2837 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2838 * tree-chrec.h (scev_is_linear_expression): Declared.
2839 * graphite.c (graphite_cannot_represent_loop_niter): New.
2840 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2841 (graphite_loop_normal_form): Use gcc_assert.
2842 (scan_tree_for_params): Use CASE_CONVERT.
2843 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2844 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2845 Use gcc_assert. Discard scops that contain unhandled cases.
2846 (build_scop_conditions): Return a boolean status for unhandled cases.
2847 (strip_mine_profitable_p): Print the loop number, not its depth.
2848 (is_interchange_valid): Pass the depth of the loop nest, don't
2849 recompute it wrongly.
2850 (graphite_trans_bb_block): Same.
2851 (graphite_trans_bb_block): Print tentative of loop blocking.
2852 (graphite_trans_scop_block): Do not print that the loop has been
2854 (graphite_transform_loops): Do not handle scops that contain condition
2857 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2859 AVX Programming Reference (December, 2008)
2860 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2861 (_mm256_stream_pd): Likewise.
2862 (_mm256_stream_ps): Likewise.
2864 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2865 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2866 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2867 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2868 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2869 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2870 (ix86_expand_special_args_builtin): Likewise.
2872 * config/i386/sse.md (AVXMODEDI): New.
2873 (avx_movnt<mode>): Likewise.
2874 (avx_movnt<mode>): Likewise.
2875 (<sse>_movnt<mode>): Remove AVX support.
2876 (sse2_movntv2di): Likewise.
2878 2009-01-07 Richard Guenther <rguenther@suse.de>
2881 * fold-const.c (extract_muldiv): Remove obsolete comment.
2882 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2883 to PLUS_EXPR canonicalization for the canonicalization.
2885 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2887 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2888 hosted cross-compilers generating less efficient code.
2890 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2892 * function.h (rtl_data): Add a dbr_scheduled_p field.
2893 * reorg.c (dbr_schedule): Set it.
2894 (gate_handle_delay_slots): Check it.
2895 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2896 (mips_reorg): Check flag_delayed_branch instead of
2897 mips_base_delayed_branch.
2898 (mips_override_options): Don't set mips_base_delayed_branch
2899 or flag_delayed_branch.
2901 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2903 PR rtl-optimization/38426.
2904 * ira.c (ira): Set current_function_is_leaf earlier.
2906 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2908 PR rtl-optimization/38722
2909 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2910 too early, only set a flag and modify after last possible
2913 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2916 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2917 * real.c (decimal_single_format): Correct values of emin and emax.
2918 (decimal_double_format): Ditto.
2919 (decimal_quad_format): Ditto.
2920 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2921 computation of DECnn_MIN and DECnn_MAX for corrected values of
2922 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2923 __DECnn_MIN__, and adjust its computation for the corrected value
2926 2009-01-06 Jan Hubicka <jh@suse.cz>
2929 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2931 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2933 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2934 Add Robert Clark to the list of testers.
2936 2009-01-06 Jan Hubicka <jh@suse.cz>
2937 Kai Tietz <kai.tietz@onevision.com>
2939 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2940 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2942 2009-01-06 Jan Hubicka <jh@suse.cz>
2943 Kai Tietz <kai.tietz@onevision.com>
2945 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2947 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2948 (ix86_nsaved_regs): Count only general purpose regs.
2949 (ix86_nsaved_sseregs): New.
2950 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2951 to 16 for w64; compute padding and size of sse reg save area.
2952 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2953 general purpose regs.
2954 (ix86_emit_save_sse_regs_using_mov): New.
2955 (ix86_expand_prologue): Save SSE regs if needed.
2956 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2957 (ix86_emit_restore_sse_regs_using_mov): New.
2958 (ix86_expand_epilogue): Save SSE regs if needed.
2960 2009-01-06 Jan Hubicka <jh@suse.cz>
2961 Kai Tietz <kai.tietz@onevision.com>
2963 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2964 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2965 functions when accumulate outgoing args is off.
2967 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2970 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2971 before using pseudos_have_intersected_live_ranges_p.
2973 * ira-int.h (ira_assert): Always define.
2975 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2977 AVX Programming Reference (December, 2008)
2978 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2979 (_mm256_permute2_pd): Likewise.
2980 (_mm_permute2_ps): Likewise.
2981 (_mm256_permute2_ps): Likewise.
2982 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2983 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2985 * config/i386/i386.c (ix86_builtins): Remove
2986 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2987 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2988 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2989 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2990 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2991 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2992 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2993 __builtin_ia32_vpermil2ps256.
2994 (ix86_init_mmx_sse_builtins): Updated.
2995 (ix86_expand_args_builtin): Likewise.
2997 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2999 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3000 long absolute calls when generating PA 2.0 code.
3002 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3004 PR rtl-optimization/38583
3005 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3007 * params.def (ira-max-conflict-table-size): New.
3009 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3011 * ira.h (ira_conflicts_p): New external definition.
3013 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3014 table. Report this. Return result of building.
3015 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3016 building conflict table.
3018 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3019 (ira_color): Use ira_conflicts_p.
3021 * global.c: Include ira.h.
3022 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3025 * Makefile.in (global.o): Add ira.h.
3027 * ira-build.c (mark_all_loops_for_removal,
3028 propagate_some_info_from_allocno): New.
3029 (remove_unnecessary_allocnos): Call
3030 propagate_some_info_from_allocno.
3031 (remove_low_level_allocnos): New.
3032 (remove_unnecessary_regions): Add parameter. Call
3033 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3034 parameter to remove_unnecessary_regions.
3035 (ira_build): Remove all regions but root if the conflict table was
3036 not built. Update conflict hard regs for allocnos crossing calls.
3038 * ira.c (ira_conflicts_p): New global.
3039 (ira): Define and use ira_conflicts_p.
3041 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3042 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3043 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3045 2009-01-06 Ben Elliston <bje@au.ibm.com>
3047 * gengtype-lex.l (YY_NO_INPUT): Define.
3049 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3052 * c-common.c (handle_vector_size_attribute): Also reject
3055 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3057 PR tree-optimization/38492
3058 * graphite.c (rename_map_elt, debug_rename_elt,
3059 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3060 rename_map_elt_info, eq_rename_map_elts,
3061 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3062 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3063 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3064 (sese_build_livein_liveouts): New.
3065 (new_sese, free_sese): New.
3066 (new_scop): Call new_sese.
3067 (free_scop): Call free_sese.
3068 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3069 (register_old_new_names): Renamed register_old_and_new_names.
3070 (register_scop_liveout_renames, add_loop_exit_phis,
3071 insert_loop_close_phis, struct igp,
3072 default_liveout_before_guard, add_guard_exit_phis,
3073 insert_guard_phis, copy_renames): New.
3074 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3075 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3076 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3077 (scop_adjust_phis_for_liveouts): New.
3078 (gloog): Call scop_adjust_phis_for_liveouts.
3080 * graphite.h (struct sese): Documented. Added fields liveout,
3082 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3083 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3084 (struct scop): Added field liveout_renames.
3085 (SCOP_LIVEOUT_RENAMES): New.
3087 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3089 PR tree-optimization/38510
3090 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3091 (translate_clast): Call recompute_all_dominators before
3093 (gloog): Call recompute_all_dominators before graphite_verify.
3095 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3096 Jan Sjodin <jan.sjodin@amd.com>
3098 PR tree-optimization/38500
3099 * graphite.c (create_sese_edges): Call fix_loop_structure after
3102 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3104 * config.gcc: Add m32r*-*-rtems*.
3105 * config/m32r/rtems.h: New file.
3107 2009-01-05 Ben Elliston <bje@au.ibm.com>
3109 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3110 (.po.pox): Likewise.
3111 (po/gcc.pot): Likewise.
3113 2009-01-04 David S. Miller <davem@davemloft.net>
3115 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3116 (STARTING_FRAME_OFFSET): Always set to zero.
3118 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3120 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3121 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3122 fixed-point types, and vectors of the same.
3124 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3126 * config/mips/sync.md (*mb_barrier): Rename to...
3127 (*memory_barrier): ...this.
3129 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3131 * doc/extend.texi (Function Attributes): Move @cindex after @item
3132 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3133 and put in alphabetical order. Fix 'target' name and put in order.
3134 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3137 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3139 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3140 (memory_barrier): Expand as unspec instead of unspec_volatile.
3141 Remove mem:BLK from insn operands. Use Pmode scratch register.
3142 (*memory_barrier): Define as unspec instead of unspec_volatile.
3143 Use (match_dup 0) as input operand.
3145 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3146 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3147 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3148 scratch register. Remove operand 1.
3149 (*stbar): Define as unspec instead of unspec_volatile.
3150 Use (match_dup 0) as input operand, remove (const_int 8).
3151 (*membar): Define as unspec instead of unspec_volatile.
3152 Use (match_dup 0) as input operand, remove input operand 2.
3154 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3155 (memory_barrier): Expand as unspec instead of unspec_volatile.
3156 Remove mem:BLK from insn operands. Use Pmode scratch register.
3157 (*memory_barrier): Define as unspec instead of unspec_volatile.
3158 Use (match_dup 0) as input operand.
3160 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3161 Remove mem:BLK from insn operands. Use Pmode scratch register.
3162 Set volatile flag on operand 0.
3163 (*memory_barrier): New insn pattern.
3165 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3167 (*memory_barrier): Use (match_dup 0) as input operand.
3169 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3170 Remove mem:BLK from insn operands. Use Pmode scratch register.
3171 Set volatile flag on operand 0.
3172 (*mb_internal): New insn pattern.
3174 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3176 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3179 * function.c (struct temp_slot): Move to the section of the file
3180 that deals with temp slots. Remove field 'address'.
3181 (temp_slot_address_table): New hash table of address -> temp slot.
3182 (struct temp_slot_address_entry): New struct, items for the table.
3183 (temp_slot_address_compute_hash, temp_slot_address_hash,
3184 temp_slot_address_eq, insert_temp_slot_address): Support functions
3186 (find_temp_slot_from_address): Rewrite to use the new hash table.
3187 (remove_unused_temp_slot_addresses): Remove addresses of temp
3188 slots that have been made available.
3189 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3190 worker function for remove_unused_temp_slot_addresses.
3191 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3192 Add the temp slot address to the address -> temp slot map.
3193 (update_temp_slot_address): Update via insert_temp_slot_address.
3194 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3195 (pop_temp_slots): Likewise.
3196 (init_temp_slots): Allocate the address -> temp slot map, or empty
3197 the map if it is already allocated.
3198 (prepare_function_start): Initialize temp slot processing.
3200 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3203 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3204 Calculate the size of all stack vars assuming no packing of stack
3205 vars will happen, replacing a quadratic algorithm with a linear one.
3207 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3210 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3213 2009-01-03 Diego Novillo <dnovillo@google.com>
3215 * doc/contrib.texi: Update contributions.
3217 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3220 * builtins.c (fold_builtin_memory_op): Give up if either operand
3221 is volatile. Set srctype or desttype to non-qualified version
3225 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3228 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3230 PR rtl-optimization/35805
3231 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3232 problem if fast dce is able to remove any instructions.
3233 * dce.c (dce_process_block): Fix dump message.
3235 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3238 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3240 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3243 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3244 * tree-pretty-print.c (op_code_prio): New function.
3245 (op_prio): No longer static. Use op_code_prio.
3246 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3247 Use op_prio and op_code_prio to determine if () should be
3248 printed around operand(s) or not.
3250 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3251 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3252 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3253 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3254 pp_character instead of pp_string for single letter printing.
3256 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3258 * doc/extend.texi: Fix '#pragma GCC option' typo.
3260 2009-01-02 Richard Guenther <rguenther@suse.de>
3262 * doc/install.texi (--enable-checking): Mention different
3264 (--enable-stage1-checking): Document.
3266 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3269 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3270 case to be an error.
3272 2009-01-02 Ben Elliston <bje@au.ibm.com>
3274 * config/fp-bit.h (pack_d): Constify argument.
3275 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3276 (isnan): Constify argument.
3280 (_fpadd_parts): Constify return type.
3281 (_fpmul_parts): Likewise.
3282 (_fpdiv_parts): Likewise.
3284 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3287 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3288 warn about overwriting initializer with side-effects or
3289 -Woverride-init if !IMPLICIT.
3290 (output_init_element): Likewise. Pass IMPLICIT down to
3292 (process_init_element): Add IMPLICIT argument. Pass it down
3293 to output_init_element.
3294 (push_init_element, pop_init_level, set_designator): Adjust
3295 process_init_element callers.
3296 (set_nonincremental_init, set_nonincremental_init_from_string):
3297 Adjust add_pending_init callers.
3298 (output_pending_init_elements): Adjust output_init_element callers.
3299 * c-tree.h (process_init_element): Adjust prototype.
3300 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3301 process_init_element callers.