1 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4 * config/sh/sh.c (calc_live_regs): Fix condition for global
5 registers except PIC_OFFSET_TABLE_REGNUM.
7 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
10 * doc/invoke.texi (-mconsole): New.
14 (-mnop-fun-dllimport): New.
18 (sub section "i386 and x86-64 Windows Options"): New.
20 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
22 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
23 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
25 2009-03-25 Richard Guenther <rguenther@suse.de>
28 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
31 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
33 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
34 neither of haifa/selective schedulers are working.
36 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
38 * doc/invoke.texi (Debugging Options): Fix description of
39 -fno-merge-debug-strings.
41 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
43 * config/cris/libgcc.ver: New version-script.
44 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
46 * configure.ac <GAS features, nop mnemonic>: Add pattern
47 crisv32-*-* for "nop".
48 <GAS features, Thread-local storage>: Add item for CRIS and
50 * configure: Regenerate.
52 2009-03-24 Ira Rosen <irar@il.ibm.com>
54 PR tree-optimization/39529
55 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
56 mark_sym_for_renaming for the tag copied to the new vector
59 2009-03-24 Arthur Loiret <aloiret@debian.org>
61 * config.host (alpha*-*-linux*): Use driver-alpha.o and
63 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
65 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
66 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
67 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
68 -march and -mtune options.
70 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
72 * config/m68k/t-rtems: Add m5329 multilib.
74 2009-03-24 Dodji Seketeli <dodji@redhat.com>
75 Jakub Jelinek <jakub@redhat.com>
78 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
81 2009-03-23 Jakub Jelinek <jakub@redhat.com>
84 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
85 instead of c_parser_expression_conv, if original_code isn't one of the
86 4 allowed comparison codes, fail.
88 2009-03-23 Richard Guenther <rguenther@suse.de>
90 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
91 * tree.h (struct tree_type): Likewise.
92 * reload.h (struct insn_chain): Likewise.
93 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
94 * function.h (struct function): Likewise.
95 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
97 2009-03-23 Jakub Jelinek <jakub@redhat.com>
99 PR tree-optimization/39516
100 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
102 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
104 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
105 should be set true if BITS_PER_WORD of target is bigger than 32
107 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
109 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
110 Translate -B-options to -rpath-link. Correct existing
111 rpath-link and conditionalize on !nostdlib.
113 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
115 * doc/extend.texi (Function Attributes, Variable Attributes):
117 * doc/invoke.texi (Debugging Options, Optimize Options)
118 (i386 and x86-64 Options, MCore Options): Likewise.
120 2009-03-20 Jakub Jelinek <jakub@redhat.com>
123 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
124 it for block local namespace aliases.
125 (gen_decl_die): Pass context_die to gen_namespace_die.
127 2009-03-19 Jakub Jelinek <jakub@redhat.com>
130 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
131 minimum or maximum value.
133 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
135 * reginfo.c (globalize_reg): Recompute derived reg sets.
137 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
140 * libgcc2.c (mprotect): Do not use signed arguments for
141 VirtualProtect, use DWORD arguments. Also fix the 'may
142 be used uninitialized' warning for the np variable.
144 2009-03-19 Jakub Jelinek <jakub@redhat.com>
147 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
148 functions using regparm calling conventions when not optimizing.
149 (ix86_function_sseregparm): Similarly for sseregparm calling
152 2009-03-19 Li Feng <nemokingdom@gmail.com>
155 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
156 dependence if the first conflict is after niter iterations.
158 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
161 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
162 functions with dynamic stack-pointer adjustments.
164 2009-03-19 Ben Elliston <bje@au.ibm.com>
166 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
167 option; change to -msdata=data.
169 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
171 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
174 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
177 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
179 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
181 * doc/invoke.texi (Code Gen Options): Expand discussion of
184 2009-03-18 Jakub Jelinek <jakub@redhat.com>
186 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
187 * matrix-reorg.c (struct matrix_info): Likewise.
188 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
189 * rtl.h (struct mem_attrs): Likewise.
190 * df.h (struct df): Likewise.
191 * tree-data-ref.h (struct data_dependence_relation): Likewise.
192 * ira-int.h (struct ira_allocno): Likewise.
193 * df-scan.c (struct df_collection_rec): Likewise.
194 * ira.c (struct equivalence): Likewise.
195 * function.c (struct temp_slot): Likewise.
196 * cfgloop.h (struct loop): Likewise.
199 * function.c (use_register_for_decl): When not optimizing, disregard
200 register keyword for variables with types containing methods.
202 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
205 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
206 (is_simple_operand): Call contains_component_ref_p before calling data
207 reference analysis that would fail on COMPONENT_REFs.
209 * tree-vrp.c (search_for_addr_array): Fix formatting.
211 2009-03-18 Richard Guenther <rguenther@suse.de>
213 * tree-vect-transform.c (vect_loop_versioning): Fold the
214 generated comparisons.
215 * tree-vectorizer.c (set_prologue_iterations): Likewise.
216 (slpeel_tree_peel_loop_to_edge): Likewise.
218 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
221 * opts.c (print_specific_help): In addition to `undocumented',
222 accept `separate' and `joined' flags if passed alone. Describe
223 output by the first matched one of those.
224 (common_handle_option): Skip over empty strings.
225 * gcc.c (display_help): Fix help string for `--help='.
226 * doc/invoke.texi (Option Summary, Overall Options): With
227 `--help=', classes and qualifiers can both be repeated, but
228 only the latter can be negated. One should not pass only
229 negated qualifiers. Fix markup and examples.
232 2008-10-14 Jakub Jelinek <jakub@redhat.com>
234 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
237 2009-03-17 Jing Yu <jingyu@google.com>
240 * function.h (struct rtl_data): Move is_thunk from here...
241 (struct function): ...to here.
242 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
243 * varasm.c (assemble_start_function): Change is_thunk from crtl to
245 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
247 (alpha_does_function_need_gp, alpha_start_function): Likewise.
248 (alpha_output_function_end_prologue): Likewise.
249 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
250 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
251 (rs6000_output_function_epilogue): Likewise.
252 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
254 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
257 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
258 from different units in a single alternative.
259 (*truncdfsf_i387): Ditto.
260 (*truncxfsf2_mixed): Ditto.
261 (*truncxfdf2_mixed): Ditto.
263 2009-03-17 Jakub Jelinek <jakub@redhat.com>
265 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
266 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
269 * tree-ssa-live.c (remove_unused_locals): Don't remove local
270 unused non-artificial variables when not optimizing.
273 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
274 DW_TAG_imported_module even if decl is IMPORTED_DECL with
275 NAMESPACE_DECL in its DECL_INITIAL.
278 * optabs.c (set_user_assembler_libfunc): New function.
279 * expr.h (set_user_assembler_libfunc): New prototype.
280 * c-common.c: Include libfuncs.h.
281 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
282 for memcmp, memset, memcpy, memmove and abort.
283 * Makefile.in (c-common.o): Depend on libfuncs.h.
286 * dwarf2out.c (gen_inlined_enumeration_type_die,
287 gen_inlined_structure_type_die, gen_inlined_union_type_die,
288 gen_tagged_type_instantiation_die): Removed.
289 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
292 2009-03-17 Janis Johnson <janis187@us.ibm.com>
295 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
297 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
298 (check-parallel-%): Ditto.
299 (check-consistency): Ditto.
301 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
303 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
304 local variable rhs by NULL_TREE.
306 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
309 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
311 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
314 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
316 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
319 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
320 for ms->sysv ABI calls only in 64bit mode.
322 * config/i386/i386.md (untyped_call): Support 32bit.
324 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
326 * doc/extend.texi: Replace x86_65 with x86_64.
328 2009-03-16 Jakub Jelinek <jakub@redhat.com>
330 PR tree-optimization/39455
331 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
332 mismatches for POINTER_TYPE_P (type).
333 (number_of_iterations_le): Likewise.
335 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
337 * config/picochip/picochip.c: Removed profiling support.
338 * config/picochip/picochip.md: Removed profiling instruction.
339 * config/picochip/picochip.h: Removed profiling builtin.
341 2009-03-16 Joseph Myers <joseph@codesourcery.com>
343 * doc/install.texi (--with-host-libstdcxx): Document.
345 2009-03-14 Anatoly Sokolov <aesok@post.ru>
348 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
349 generate a warning if the function name does not begin with
350 "__vector" and the function has either the 'signal' or 'interrupt'
351 attribute, from here to ...
352 (avr_declare_function_name): ...here. New function.
353 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
354 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
356 2009-03-14 Jakub Jelinek <jakub@redhat.com>
359 * cse.c (fold_rtx): Don't modify original const_arg1 when
360 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
361 separate variable instead.
362 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
363 from out of range shift counts.
364 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
366 2008-03-13 Catherine Moore <clm@codesourcery.com>
368 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
369 diagnostic.h with $(DIAGNOSTIC_H).
371 2008-03-12 Jakub Jelinek <jakub@redhat.com>
374 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
376 * config/i386/sync.md (sync_compare_and_swap<mode>,
377 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
378 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
380 (sync_double_compare_and_swapdi_pic,
381 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
382 cmpxchg8b_pic_memory_operand instead of just memory_operand.
384 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
387 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
389 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
392 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
393 (avx_addsubv4df3): Likewise.
394 (*avx_addsubv4sf3): Likewise.
395 (sse3_addsubv4sf3): Likewise.
397 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
400 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
402 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
405 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
406 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
407 registers for allocnos created from user-defined variables.
409 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
412 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
413 of non-integer mode as well.
415 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
417 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
418 for functions for which the parameter types are unknown.
420 2009-03-11 Jakub Jelinek <jakub@redhat.com>
423 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
424 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
425 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
426 * config/i386/i386.c (ix86_local_alignment): For
427 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
428 long long variables on the stack to avoid dynamic realignment.
429 Allow the first argument to be a decl rather than type.
430 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
432 2009-03-11 Nick Clifton <nickc@redhat.com>
435 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
437 Add description to mno-lsim option.
438 * config/mcore/mcore.h: Remove comment about deprecated m4align
440 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
441 * doc/invoke.texi: Add description of mno-lsim and
442 mstack-increment options.
444 * config/fr30/fr30.opt: Document the -mno-lsim option.
445 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
446 and -mno-lsim options.
448 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
450 * fold-const.c (fold_comparison): Only call fold_inf_compare
451 if the mode supports infinities.
453 2009-03-11 Jason Merrill <jason@redhat.com>
456 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
457 end already did. Notice GIMPLE_CALL modifications of the result.
458 Don't copy debug information from an ignored decl or a decl from
461 2009-03-10 Richard Guenther <rguenther@suse.de>
462 Nathan Froyd <froydnj@codesourcery.com>
465 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
466 (__divMODE3): Likewise.
468 2009-03-09 Jakub Jelinek <jakub@redhat.com>
470 PR tree-optimization/39394
471 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
472 DECL_SIZE_UNIT of variable length FIELD_DECLs.
474 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
476 * recog.c (verfiy_changes): Disallow renaming of hard regs in
477 inline asms for register asm ("") declarations.
479 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
481 * fold-const.c (fold_unary): Fix comment.
483 2009-03-07 Jan Hubicka <jh@suse.cz>
486 * tree-inline.c (setup_one_parameter): Do replacement of const
487 argument by constant in SSA form.
489 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
492 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
493 determine alignment passed to assign_stack_local.
494 (assign_parms_unsplit_complex): Likewise.
495 * except.c (sjlj_build_landing_pads): Likewise.
497 2009-03-06 Jakub Jelinek <jakub@redhat.com>
500 * tree-flow.h (add_referenced_var): Return bool instead of void.
501 * tree-dfa.c (add_referenced_var): Return result of
502 referenced_var_check_and_insert call.
503 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
504 of referenced_var_check_and_insert.
507 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
508 (gen_variable_die): Emit DW_AT_location on abstract static variable's
509 DIE, don't emit it if abstract origin already has it.
510 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
511 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
513 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
515 * genpreds.c: (needs_variable): Fix parentheses at variable name
517 (write_tm_constrs_h): Indent generated code.
519 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
521 * doc/extend.texi (Function Attributes): Add documentation
524 2009-03-06 Jakub Jelinek <jakub@redhat.com>
527 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
528 take locus from its DECL_SOURCE_LOCATION instead of input_location.
530 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
532 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
535 2009-03-05 Jakub Jelinek <jakub@redhat.com>
538 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
539 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
541 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
543 * config/i386/i386.md (R8_REG, R9_REG): New constants.
544 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
545 constants instead of magic numbers.
546 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
548 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
549 (x86_64_ms_abi_int_parameter_registers): Ditto.
550 (x86_64_int_return_registers): Ditto.
551 (ix86_maybe_switch_abi): Ditto.
552 (ix86_expand_call): Ditto for clobbered_registers array.
553 (ix86_hard_regno_mode_ok): Ditto.
554 (x86_extended_QIreg_mentioned_p): Ditto.
556 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
558 PR tree-optimization/39349
559 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
561 * combine.c (gen_lowpart_for_combine): Use omode when generating
564 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
566 PR rtl-optimization/39235
567 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
569 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
571 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
573 2009-03-04 Richard Guenther <rguenther@suse.de>
575 PR tree-optimization/39362
576 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
577 that occur in abnormal PHIs should be varying.
579 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
581 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
583 (simple_iv): Take loop as an argument instead of statement.
584 * tree-scalar-evolution.h (simple_iv): Declaration changed.
585 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
587 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
589 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
590 * matrix-reorg.c (analyze_transpose): Ditto.
591 * tree-data-ref.c (dr_analyze_innermost): Ditto.
592 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
593 * tree-predcom.c (ref_at_iteration): Ditto.
594 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
596 2009-03-04 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/39358
599 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
600 escaped_id and callused_id.
601 (solve_graph): Likewise.
603 2009-03-04 Richard Guenther <rguenther@suse.de>
605 PR tree-optimization/39339
606 * tree-sra.c (try_instantiate_multiple_fields): Make it
607 no longer ICE on the above.
609 2009-03-03 Joseph Myers <joseph@codesourcery.com>
611 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
612 that fits within Pmode.
614 2009-03-03 Steve Ellcey <sje@cup.hp.com>
617 * tm.texi (LIBCALL_VALUE): Update description.
619 2009-03-03 Steve Ellcey <sje@cup.hp.com>
622 * doc/extend.texi (section): Update description.
624 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
627 * tree-inline.c (remapped_type): New.
628 (can_be_nonlocal): Call remapped_type instead of remap_type.
630 2009-03-03 Jakub Jelinek <jakub@redhat.com>
633 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
634 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
636 2009-03-03 Richard Guenther <rguenther@suse.de>
639 * tree.c (tree_nonartificial_location): New function.
640 * tree.h (tree_nonartificial_location): Declare.
641 * builtins.c (expand_builtin_memory_chk): Provide location
642 of the call location for artificial function pieces.
643 (maybe_emit_chk_warning): Likewise.
644 (maybe_emit_sprintf_chk_warning): Likewise.
645 (maybe_emit_free_warning): Likewise.
646 * expr.c (expand_expr_real_1): Likewise.
648 2009-03-03 Jakub Jelinek <jakub@redhat.com>
650 PR tree-optimization/39343
651 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
652 COMPONENT_REF t has ARRAY_TYPE.
654 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
657 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
658 when the type precision of the induction variable should be
659 larger than the type precision of nit.
660 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
661 * graphite.c (graphite_loop_normal_form): Same.
662 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
664 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
666 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
667 (*call_1_rex64_ms_sysv): Use named constants instead of magic
668 numbers to describe clobbered registers.
669 (*call_value_0_rex64_ms_sysv): Ditto.
670 * config/i386/mmx.md (mmx_emms): Ditto.
673 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
675 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
678 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
680 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
681 (spu_section_type_flags): New function.
683 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
685 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
686 reg_class_contents of FLOAT_REGS into a temporary.
688 2009-03-02 Richard Guenther <rguenther@suse.de>
689 Ira Rosen <irar@il.ibm.com>
691 PR tree-optimization/39318
692 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
693 information to the vectorized statement.
695 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
697 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
698 variable. Use defined names instead of magic constants for REX SSE
701 2009-03-01 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/39331
704 * omp-low.c (lower_send_shared_vars): Do not receive new
705 values for the reference of DECL_BY_REFERENCE parms or results.
707 2009-03-01 Jan Hubicka <jh@suse.cz>
710 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
711 BLOCK_NONLOCALIZED_VAR): New macros.
712 (tree_block): Add nonlocalized_vars.
713 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
714 gen_decl_die): Add origin argument. Allow generation of die with
716 (gen_member_die, gen_type_die_with_usage, force_decl_die,
717 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
719 (gen_block_die): Fix checking for unused blocks.
720 (process_scope_var): Break out from .... ; work with origins only.
721 (decls_for_scope) ... here; process nonlocalized list.
722 (dwarf2out_ignore_block): Look for nonlocalized vars.
723 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
725 (dump_scope_block): Dump them.
726 * tree-inline.c (remap_decls): Handle nonlocalized vars.
727 (remap_block): Likewise.
728 (can_be_nonlocal): New predicate.
729 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
731 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
733 * configure: Regenerate.
735 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
737 * optc-gen.awk: No need to duplicate option flags twice.
738 Reuse help texts for duplicate options which do not have any.
740 * gcc.c (display_help): Document --version.
742 * gcc.c (main): If print_help_list and verbose_flag, ensure
743 driver output comes before subprocess output.
745 * optc-gen.awk: Assign all remaining fields to help string,
746 space-separated, for multi-line help in *.opt.
748 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
749 -Wno-pedantic-ms-format is for MinGW targets only.
751 * doc/options.texi (Option file format): Fix bad indentation,
752 restoring dropped sentence.
754 2009-02-28 Jan Hubicka <jh@suse.cz>
756 * tree-inline.c (tree_function_versioning): Output debug info.
758 2009-02-28 Jan Hubicka <jh@suse.cz>
761 * tree-inline.c (setup_one_parameter): Do not copy propagate
762 arguments when not optimizing.
764 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
767 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
768 (avx_addsubv4df3): Likewise.
769 (*avx_addsubv4sf3): Likewise.
770 (sse3_addsubv4sf3): Likewise.
771 (*avx_addsubv2df3): Likewise.
772 (sse3_addsubv2df3): Likewise.
773 (avx_unpckhps256): Correct item selectors.
774 (avx_unpcklps256): Likewise.
775 (avx_unpckhpd256): Likewise.
776 (avx_unpcklpd256): Likewise.
778 2009-02-28 Jan Hubicka <jh@suse.cz>
780 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
782 (copy_arguments_for_versioning): If var is declared don't declare it.
783 (tree_function_versioning): First setup substitutions and then copy
786 2009-02-27 Jan Hubicka <jh@suse.cz>
789 * cgraph.h (varpool_output_debug_info): Remove.
790 * cgraphunit.c (varpool_output_debug_info): Remove.
791 * dwarf2out.c (deferred_locations_struct): New struct
792 (deferred_locations): New type.
793 (deferred_locations_list): New static var.
794 (deffer_location): New function.
795 (gen_variable_die): Use it.
796 (decls_for_scope): Output info on local static vars.
797 (dwarf2out_finish): Process deferred locations.
798 * varpool.c (varpool_output_debug_info): Remove.
800 2009-02-27 Jan Hubicka <jh@suse.cz>
803 * tree.h (TREE_PROTECTED): Fix comment.
804 (BLOCK_HANDLER_BLOCK): Remove.
805 (struct tree_block): Remove handler_block add body_block.
806 (inlined_function_outer_scope_p): New.
807 (is_body_block): Remove.
808 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
809 * dwarf2out.c (is_inlined_entry_point): Remove.
810 (add_high_low_attributes): Use inlined_function_outer_scope_p.
811 (gen_block_die): Use is_inlined_entry_point check. Remove body block
813 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
814 * gimplify.c (gimplify_expr): Gimplify body blocks.
815 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
816 block with multiple subblocks.
817 (dump_scope_block): Prettier output; dump more flags and info.
818 (dump_scope_blocks): New.
819 (remove_unused_locals): Use dump_scope_blocks.
820 * tree-flow.h (dump_scope_blocks): Declare.
821 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
822 * stmt.c (is_body_block): Remove.
823 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
824 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
826 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
829 * graphite.c (graphite_loop_normal_form): Do not call
830 number_of_iterations_exit from a gcc_assert.
832 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
834 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
835 jumps if COND is NULL.
836 (find_cond_jump): New function.
837 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
838 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
840 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
842 * config/alpha/alpha.h (alpha_expand_mov): Return false if
843 force_const_mem returns NULL_RTX.
845 2009-02-26 Jan Hubicka <jh@suse.cz>
848 * cgraph.h (varpool_output_debug_info): Remove.
849 * cgraphunit.c (varpool_output_debug_info): Remove.
850 * dwarf2out.c (deferred_locations_struct): New struct
851 (deferred_locations): New type.
852 (deferred_locations_list): New static var.
853 (deffer_location): New function.
854 (gen_variable_die): Use it.
855 (decls_for_scope): Output info on local static vars.
856 (dwarf2out_finish): Process deferred locations.
857 * varpool.c (varpool_output_debug_info): Remove.
859 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
861 PR rtl-optimization/39241
862 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
863 to subreg_offset_representable_p.
865 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
867 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
868 execute function prototype. Get f and nregs from max_reg_num
869 and get_insns. Remove the first backward pass as it's dead,
870 guard the forward pass by flag_expensive_optimizations.
871 (rest_of_handle_regmove): Delete.
872 (pass_regmove): Replace it with regmove_optimize.
874 2009-02-25 Martin Jambor <mjambor@suse.cz>
876 PR tree-optimization/39259
877 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
878 calls_alloca function flags.
879 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
882 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
884 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
885 flags_set_1_rtx, flags_set_1_set): Delete.
886 (regmove_optimize): Do not call mark_flags_life_zones.
888 2009-02-24 Julian Brown <julian@codesourcery.com>
891 * config/arm/arm.c (require_pic_register): Only set
892 cfun->machine->pic_reg once per function.
894 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
896 * doc/invoke.texi (Link Options): Document an easier way to pass
897 options that take arguments to the GNU linker using -Xlinker and -Wl.
899 2009-02-24 Steve Ellcey <sje@cup.hp.com>
902 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
904 2009-02-24 Richard Guenther <rguenther@suse.de>
907 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
909 2009-02-24 Richard Guenther <rguenther@suse.de>
910 Zdenek Dvorak <ook@ucw.cz>
912 PR tree-optimization/39233
913 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
914 from converting them to a generic type.
916 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
918 PR tree-optimization/39260
919 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
920 contains a condition with a real type.
921 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
923 2009-02-23 Jason Merrill <jason@redhat.com>
926 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
927 narrowing_initializer_constant_valid_p.
928 (narrowing_initializer_constant_valid_p): Don't return
929 null_pointer_node for adding a pointer to itself.
931 2009-02-23 Jan Hubicka <jh@suse.cz>
934 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
937 2009-02-23 Jan Hubicka <jh@suse.cz>
939 PR tree-optimization/37709
940 * tree.c (block_ultimate_origin): Move here from dwarf2out.
941 * tree.h (block_ultimate_origin): Declare.
942 * dwarf2out.c (block_ultimate_origin): Move to tree.c
943 * tree-ssa-live.c (remove_unused_scope_block_p):
944 Eliminate blocks containig no instructions nor live variables nor
946 (dump_scope_block): New function.
947 (remove_unused_locals): Enable removal of dead blocks by default;
948 enable dumping at TDF_DETAILS.
950 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
952 * config/i386/i386.c (classify_argument): Don't allow COImode
954 (function_arg_advance_32): Don't allow OImode.
955 (function_arg_32): Likewise.
956 (function_value_32): Likewise.
957 (return_in_memory_32): Likewise.
958 (function_arg_64): Remove OImode comment.
960 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
963 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
964 ix86_expand_vector_set for V4DImode in 64bit mode only.
965 (ix86_expand_vector_init_one_var): Likewise.
967 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
969 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
971 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
974 * loop-iv.c: Revert last change.
975 * emit-rtl.c: Likewise.
977 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
980 * config/i386/i386.c (type_natural_mode): Remove an extra
981 space in the warning message.
982 (function_value_32): Handle 32-byte vector modes.
983 (return_in_memory_32): Likewise.
985 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
987 * loop-iv.c (truncate_value): New function.
988 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
990 (lowpart_subreg): Move to...
991 * emit-rtl.c: ...here.
993 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
995 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
996 accidental and undocumented change at revision 140860.
998 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1000 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1001 take gimple_seq * arguments.
1002 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1003 types_compatible_p langhook.
1005 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1006 Joseph Myers <joseph@codesourcery.com>
1008 * config/arm/arm.c (arm_builtin_va_list): New function.
1009 (arm_expand_builtin_va_start): Likewise.
1010 (arm_gimplify_va_arg_expr): Likewise.
1011 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1012 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1013 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1014 (va_list_type): New variable.
1015 (arm_mangle_type): Mangle va_list_type appropriately.
1017 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1020 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1021 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1022 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1023 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1024 parameter to 1000 for -O1 by default.
1025 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1027 * loop-invariant.c: Include params.h.
1028 (move_loop_invariants): Don't call move_single_loop_invariants on
1031 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1033 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1034 offset when calculating bounds for indexing stack_usage_map. Fixes
1035 a buffer overflow with certain target setups.
1037 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1040 * calls.c (expand_call): Clear try_tail_call if caller and callee
1041 disagree in promotion of function return value.
1043 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1046 * c-common.c (c_determine_visibility): If visibility changed and
1047 DECL_RTL has been already set, call make_decl_rtl to update symbol
1050 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1053 * varasm.c (assemble_variable): Don't check DECL_NAME when
1054 globalizing a variable.
1056 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1059 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1060 expression before any __builtin_trap call.
1061 * c-typeck.c (build_function_call): Convert and check function
1062 arguments before generating a call to a trap. Evaluate the
1063 function arguments before the trap.
1065 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1068 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1069 (UNSPEC_FXAM_MEM): New unspec.
1070 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1071 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1072 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1074 2009-02-19 Richard Guenther <rguenther@suse.de>
1076 PR tree-optimization/39207
1077 PR tree-optimization/39074
1078 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1079 storedanything_tree): New.
1080 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1081 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1082 (build_succ_graph): Add edges from STOREDANYTHING to all
1084 (init_base_vars): Initialize STOREDANYTHING.
1085 (compute_points_to_sets): Free substitution info after
1086 building the succ graph.
1087 (ipa_pta_execute): Likewise.
1089 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1091 (do_ds_constraint): Do not add to special var or non-pointer
1093 (type_could_have_pointers): Split out from ...
1094 (could_have_pointers): ... here. For arrays use the element type.
1095 (create_variable_info_for): Initialize may_have_pointers.
1096 (new_var_info): Likewise.
1097 (handle_lhs_call): Make the HEAP variable unknown-sized.
1098 (intra_create_variable_infos): Use a type with pointers for
1099 PARM_NOALIAS, make it unknown-sized.
1101 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1104 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1106 2009-02-18 Jason Merrill <jason@redhat.com>
1109 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1110 value if DECL_EXTERNAL.
1111 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1112 * target.h (gcc_target::binds_local_p): Clarify "module".
1113 * tree.h (TREE_PUBLIC): Clarify "module".
1115 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1118 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1119 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1121 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1124 * c.opt (Wabi): Support C and ObjC.
1127 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1129 * config/i386/i386.c (classify_argument): Warn once about the ABI
1130 change when passing union with long double.
1132 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1134 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1137 * c-parser.c (c_parser_compound_statement): Always enter and leave
1140 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1143 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1145 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1147 PR tree-optimization/36922
1148 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1149 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1152 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1154 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1157 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1159 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1161 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1163 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1166 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1167 Richard Sandiford <rdsandiford@googlemail.com>
1169 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1170 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1171 (loongson_biadd): ...this.
1173 2009-02-17 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/39202
1176 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1177 a var make sure to follow existing collapses.
1179 2009-02-17 Richard Guenther <rguenther@suse.de>
1182 * langhooks.c (lhd_print_error_function): Check for NULL block.
1184 2009-02-17 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/39204
1187 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1190 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1192 * config/soft-fp/double.h: Update from glibc CVS.
1194 2009-02-17 Richard Guenther <rguenther@suse.de>
1196 PR tree-optimization/39207
1197 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1198 strict-aliasing warnings for pointers pointing to NULL.
1200 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1203 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1204 skipping until next close brace.
1206 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1209 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1210 to function argument boundary.
1212 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1214 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1215 in the lea_add. Reload eventually constraints it properly.
1216 * config/picochip/constraints.md : Remove the target constraint
1217 "b", since it is not needed anymore.
1219 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1221 * gthr-dce.h: Uglify function parameter and local variable names.
1222 * gthr-gnat.h: Likewise.
1223 * gthr-mipssde.h: Likewise.
1224 * gthr-nks.h: Likewise.
1225 * gthr-posix95.h: Likewise.
1226 * gthr-posix.h: Likewise.
1227 * gthr-rtems.h: Likewise.
1228 * gthr-single.h: Likewise.
1229 * gthr-solaris.h: Likewise.
1230 * gthr-tpf.h: Likewise.
1231 * gthr-vxworks.h: Likewise.
1232 * gthr-win32.h: Likewise.
1234 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1237 * config/i386/i386.md: Restrict the new peephole2 to move
1238 between MMX/SSE registers.
1240 2009-02-15 Richard Guenther <rguenther@suse.de>
1243 2009-02-13 Richard Guenther <rguenther@suse.de>
1245 * configure.ac: Enable LFS.
1246 * configure: Re-generate.
1247 * config.in: Likewise.
1249 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1251 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1252 spu_srqwbyte, spu_srqwbytebc): Define.
1253 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1254 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1255 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1256 "shrqby_<mode>"): New insn-and-split patterns.
1257 * config/spu/spu.c (expand_builtin_args): Determine and return
1258 number of operands using spu_builtin_description data.
1259 (spu_expand_builtin_1): Use it.
1261 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1264 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1267 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1270 * config/i386/i386.c (override_options): Correct warning
1271 messages for -malign-loops, -malign-jumps and -malign-functions.
1273 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1276 * config/i386/i386.md: Restrict the new peephole2 to move
1277 between the general purpose registers.
1279 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1282 * config/i386/i386.c (type_natural_mode): Add a new argument.
1283 Return the original mode and warn ABI change if vector size is 32byte.
1284 (function_arg_advance): Updated.
1285 (function_arg): Likewise.
1286 (ix86_function_value): Likewise.
1287 (ix86_return_in_memory): Likewise.
1288 (ix86_sol10_return_in_memory): Likewise.
1289 (ix86_gimplify_va_arg): Likewise.
1290 (function_arg_32): Don't warn ABX ABI change here.
1291 (function_arg_64): Likewise.
1293 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1295 * loop-iv.c (implies_p): In the final case, test that operands 0
1296 of the two comparisons match.
1298 * config/bfin/bfin.c (find_prev_insn_start): New function.
1299 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1300 (find_next_insn_start): Move.
1302 2009-02-13 Richard Guenther <rguenther@suse.de>
1304 * configure.ac: Enable LFS.
1305 * configure: Re-generate.
1306 * config.in: Likewise.
1308 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1311 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1312 sizes on syntax error after some arguments have been parsed.
1314 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1316 * doc/invoke.texi (-fira): Remove.
1318 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1320 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1321 * recog.c: Likewise.
1324 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1326 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1327 (umul_ppmm): Likewise.
1328 (count_leading_zeros): Likewise.
1329 (count_trailing_zeros): Likewise.
1330 (UMUL_TIME): Likewise.
1332 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1334 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1335 soft-fp/t-softfp to tmake_file.
1337 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1338 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1339 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1340 IA64_BUILTIN_INFQ]: New.
1341 (ia64_init_builtins): Initialize __builtin_infq,
1342 __builtin_fabsq and __builtin_copysignq if not HPUX.
1343 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1344 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1346 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1348 (__fixtfti): Likewise.
1349 (__fixunstfti): Likewise.
1350 (__floattitf): Likewise.
1352 * config/ia64/libgcc-glibc.ver: New.
1353 * config/ia64/t-fprules-softfp: Likewise.
1354 * config/ia64/sfp-machine.h: Likewise.
1356 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1357 (LIBGCC2_TF_CEXT): Likewise.
1358 (TF_SIZE): Likewise.
1359 (TARGET_INIT_LIBFUNCS): Likewise.
1361 * config/ia64/t-glibc (SHLINB_MAPFILES):
1362 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1364 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1366 * config/i386/i386.c (construct_container): Rewrite processing
1367 BLKmode with X86_64_SSE_CLASS.
1369 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1372 * config/i386/i386.md: Replace simplify_replace_rtx with
1373 replace_rtx in the new peephole2.
1375 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1377 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1378 loop unrolling do not happen at -O2.
1380 2009-02-12 Michael Matz <matz@suse.de>
1382 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1384 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1386 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1389 2009-02-12 Ben Elliston <bje@au.ibm.com>
1391 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1392 patterns when updating the back chain. Missed in the 2009-02-10
1395 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1397 * doc/extend.texi (Decimal Floating Types): Update identifier of
1398 draft TR and list of missing support.
1400 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1403 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1404 bit to variable length decl's flags, add it also to its
1405 pointer replacement variable.
1407 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1408 Jakub Jelinek <jakub@redhat.com>
1411 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1412 (memory_blockage): New expander.
1413 (*memory_blockage): New insn pattern.
1414 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1415 instead of general blockage at the end of function prologue when
1416 frame pointer is used to access red zone area. Do not emit blockage
1417 when profiling, it is emitted in generic code.
1418 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1419 function epilogue when frame pointer is used to access red zone area.
1421 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1424 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1425 by arithmetic with memory operands.
1426 * config/i386/predicates.md (commutative_operator): New.
1428 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1430 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1433 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1435 * alias.h (record_alias_subset): Declare.
1436 * alias.c (record_alias_subset): Make global.
1438 2009-02-10 Nick Clifton <nickc@redhat.com>
1440 * tree-parloops.c: Change license to GPLv3.
1441 * ipa-struct-reorg.c: Change license to GPLv3.
1442 * ipa-struct-reorg.h: Change license to GPLv3.
1444 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1447 * c-decl.c (start_struct): Return NULL on error.
1449 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1452 * cfgloopmanip.c (remove_path): Call remove_bbs after
1453 cancel_loop_tree, not before it.
1456 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1457 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1458 VAR_DECLs were seen.
1459 * tree-ssa-live.c (remove_unused_locals): Recompute
1460 cfun->has_local_explicit_reg_vars.
1461 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1462 copies or clearings if cfun->has_local_explicit_reg_vars.
1464 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1467 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1468 of function prologue when frame pointer is used to access
1471 2009-02-10 Richard Guenther <rguenther@suse.de>
1474 * gimplify.c (gimple_regimplify_operands): Always look if
1475 we need to create a temporary.
1477 2009-02-10 Richard Guenther <rguenther@suse.de>
1479 PR tree-optimization/39132
1480 * tree-loop-distribution.c (todo): New global var.
1481 (generate_memset_zero): Trigger TODO_rebuild_alias.
1482 (tree_loop_distribution): Return todo.
1484 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1487 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1488 (x86_64_reg_class_name): Removed.
1489 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1490 first one isn't X86_64_SSE_CLASS or any other ones aren't
1491 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1492 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1493 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1494 and 3 X86_64_SSEUP_CLASS.
1495 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1496 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1498 2009-02-10 Ben Elliston <bje@au.ibm.com>
1500 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1501 form instruction to update the stack back chain word, even if the
1502 user has disabled the generation of update instructions.
1503 (movdi_<mode>_update_stack): New.
1504 (movsi_update_stack): Likewise.
1505 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1506 always use an update form instruction to update the stack back
1509 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1512 * graphite.c (if_region_set_false_region): After moving a region in
1513 the false branch of a condition, remove the empty dummy basic block.
1514 (gloog): Remove wrong fix for PR38953.
1516 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1518 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1519 generation due to implicit sign extension.
1521 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1524 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1525 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1527 2009-02-09 Richard Guenther <rguenther@suse.de>
1530 * convert.c (convert_to_real): Disable (float)fn((double)x)
1531 to fnf(x) conversion if errno differences may occur and
1532 -fmath-errno is set.
1534 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1536 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1537 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1538 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1540 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1543 * c-common.c (handle_alias_attribute): Disallow attribute for
1544 anything not a FUNCTION_DECL or VAR_DECL.
1546 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1549 * real.c (do_compare): Special-case compare of zero against
1550 decimal float value.
1552 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1555 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1556 as indicating flexible array members unless the field itself is
1557 being declarared as the incomplete array.
1559 2009-02-06 Jan Hubicka <jh@suse.cz>
1561 PR tree-optimization/38844
1562 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1565 2009-02-06 Richard Guenther <rguenther@suse.de>
1568 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1569 fork because we may expand it as __gcov_fork.
1571 2009-02-06 Nick Clifton <nickc@redhat.com>
1573 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1575 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1577 PR tree-optimization/35659
1578 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1579 vn_phi_eq): Shortcut if hashcode does not match.
1580 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1582 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1583 and avoid iterative_hash_expr.
1584 (FOR_EACH_VALUE_ID_IN_SET): New.
1585 (value_id_compare): Remove.
1586 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1587 sort expressions by value id.
1589 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1592 * config/sh/predicates.md (general_movsrc_operand): Don't check
1593 the subreg of system registers here.
1595 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1598 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1601 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1603 PR rtl-optimization/39110
1604 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1605 addresses, not aligned ones.
1607 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1608 Richard Guenther <rguenther@suse.de>
1610 PR tree-optimization/39100
1611 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1612 comment says and add edges.
1614 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1617 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1618 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1620 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1622 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1623 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1624 register_bb_in_sese, new_sese, free_sese): Moved.
1625 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1626 outermost_loop_in_scop, build_scop_iteration_domain,
1627 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1628 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1629 Use loop_in_sese_p instead of loop_in_scop_p.
1630 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1631 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1632 (scopdet_basic_block_info): Fix bug in scop detection.
1633 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1634 eq_loop_to_cloog_loop): Remove.
1635 (nb_loops_around_loop_in_scop, nb_loop
1636 ref_nb_loops): Moved here...
1637 * graphite.h (ref_nb_loops): ... from here.
1638 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1639 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1640 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1641 * testsuite/gcc.dg/graphite/scop-19.c: New
1643 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1644 Hans-Peter Nilsson <hp@axis.com>
1646 PR rtl-optimization/37889
1647 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1648 Move offset handling from PLUS to before the switch. Use new
1649 arguments when considering SYMBOL_REFs too.
1650 (rtx_addr_can_trap_p): Pass dummy offset and size.
1651 (enum may_trap_p_flags): Remove.
1652 (may_trap_p_1): Pass size from MEM_SIZE.
1654 PR rtl-optimization/38921
1655 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1656 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1657 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1658 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1660 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1662 AVX Programming Reference (January, 2009)
1663 * config/i386/sse.md (*vpclmulqdq): New.
1665 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1667 PR tree-optimization/38977
1668 PR gcov-profile/38292
1669 * calls.c (special_function_p): Disregard __builtin_ prefix.
1671 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1673 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1674 non-indexable addresses even before reload.
1676 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1679 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1680 as having variable size. Do not give an error for unnamed
1681 parameters with [*] declarators. Give a warning for type names
1682 with [*] declarators and mark them as variable size.
1683 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1684 for sizeof applied to [*] type names.
1686 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1689 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1691 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1693 * gcc.c (process_command): Update copyright notice dates.
1694 * gcov.c (print_version): Likewise.
1695 * gcov-dump.c (print_version): Likewise.
1696 * mips-tfile.c (main): Likewise.
1697 * mips-tdump.c (main): Likewise.
1699 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1702 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1703 for composite type involving a zero-length array type.
1705 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1708 * function.c (match_asm_constraints_1): Skip over
1709 initial optional % in the constraint.
1712 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1713 supported, don't accept FIXED_CSTs.
1714 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1715 and _Sat is used without _Fract/_Accum. Set specs->type to
1716 integer_type_node for cts_fract/cts_accum if fixed point is not
1719 2009-02-02 Catherine Moore <clm@codesourcery.com>
1721 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1723 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1725 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1726 (ABI_HAS_64BIT_SYMBOLS): Use it.
1727 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1729 2009-02-02 Paul Brook <paul@codesourcery.com>
1731 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1733 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1736 * recog.h (asm_operand_ok): Add constraints argument.
1737 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1738 recurse on matching constraint.
1739 (check_asm_operands): Pass constraints as 3rd argument to
1740 asm_operand_ok. Don't look up matching constraint here.
1741 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1744 2009-02-02 Ben Elliston <bje@au.ibm.com>
1746 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1747 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1749 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1751 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1752 information. Remove some obsolete information. Reorganize.
1754 * config/pa/fptr.c: Revert license to GPL 2.
1755 * config/pa/milli64.S: Likewise.
1757 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1760 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1761 LIBRARY name in, instead of hard-coding it.
1762 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1763 extra target make frag to tmake_files according to EH model.
1764 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1765 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1766 frags that define makefile variable EH_MODEL appropriately.
1767 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1768 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1769 to "-sjlj" according to type of EH configured.
1770 (LIBGCC_SONAME): Concatenate it to shared library base name.
1771 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1772 to "_sjlj" according to type of EH configured.
1773 (LIBGCC_SONAME): Concatenate it to shared library base name.
1774 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1775 (SHLIB_LINK): Add missing semicolon to if-else construct.
1776 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1777 string value of "pe_dll" command-line option.
1778 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1779 (SHLIB_SONAME): Use it when overriding t-cygming default.
1780 (SHLIB_IMPLIB): Override t-cygming default.
1781 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1782 string value of "pe_dll" command-line option.
1784 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1787 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1788 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1790 2009-01-31 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/38937
1793 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1794 computing the transitive closure.
1796 2009-01-30 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/39041
1799 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1800 Propagate variable indices only if the types match for this stmt.
1802 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1805 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1806 inline but never defined.
1808 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1810 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1811 (*insv_h_di_reg_extimm): New insn.
1812 (*insv_l<mode>_reg_extimm): New insn.
1814 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1816 * config/picochip/picochip.c (flag_conserve_stack): set
1817 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1818 fconserve-stack. Reduce call-overhead used by inliner.
1820 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1823 * common.opt (flag_conserve_stack): Initialised to zero.
1825 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1828 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1829 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1832 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1834 * ira-color.c (allocno_reload_assign): Update comments.
1835 * regmove.c (regmove_optimize): Likewise.
1839 2009-01-29 Robert Millan <rmh@aybabtu.com>
1841 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1842 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1843 `MD_UNWIND_SUPPORT'.
1844 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1846 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1848 PR tree-optimization/39007
1849 * tree-loop-distribution.c (generate_builtin): Use
1850 recompute_dominator to compute the immediate dominator of the
1851 basic block just after the loop.
1853 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1855 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1856 (ASM_OUTPUT_DWARF_PCREL): Define.
1858 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1860 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1861 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1862 global. Modify entries about regmove and IRA.
1864 * ra-conflict.c: Remove the file.
1866 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1868 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1869 (pass_regclass_init): Rename to pass_reginfo_init.
1871 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1873 * toplev.h (flag_ira): Remove.
1875 * caller-save.c (setup_save_areas): Remove flag_ira.
1877 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1879 * global.c: Remove the file.
1881 * opts.c: (decode_options): Remove flag_ira.
1883 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1885 * regmove.c: Modify file description.
1886 (find_use_as_address, try_auto_increment): Define them only if
1887 AUTO_INC_DEC is defined.
1888 (replacement_quality, replace_in_call_usage, fixup_match_1,
1889 stable_and_no_regs_but_for_p): Remove.
1890 (reg_set_in_bb): Make it static.
1891 (regmove_optimize): Remove flag_ira and code which worked for
1894 * local-alloc.c: Remove the file.
1896 * common.opt (fira): Remove.
1898 * ira.c: Include except.h.
1899 (eliminable_regset): Move from global.c.
1900 (mark_elimination): Ditto. Remove flag_ira.
1901 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1902 equiv_mem_modified, validate_equiv_mem_from_store,
1903 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1904 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1905 no_equiv, recorded_label_ref): Move from local-alloc.c.
1906 (update_equiv_regs): Ditto. Make it static.
1907 (print_insn_chain, print_insn_chains): Move it from global.c.
1908 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1909 (build_insn_chain): Ditto. Make it static.
1910 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1911 Rename to init_live_subregs.
1912 (gate_ira): Remove flag_ira.
1914 * regclass.c: Rename reginfo.c. Change file description.
1915 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1916 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1917 (init_reg_sets_1): Remove code for evaluation of
1918 reg_class_superclasses and losing_caller_save_reg_set.
1919 (init_regs): Remove init_reg_autoinc.
1920 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1921 ok_for_base_p_nonstrict): Remove.
1922 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1923 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1924 corresponding entries.
1925 (dump_regclass, record_operand_costs, scan_one_insn,
1926 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1927 record_address_regs, auto_inc_dec_reg_p): Remove.
1928 (gt-regclass.h): Rename to gt-reginfo.h.
1930 * rtl.h (dump_global_regs, retry_global_alloc,
1931 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1933 * Makefile.in (RA_H): Remove.
1934 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1935 Rename regclass.o to reginfo.o.
1936 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1938 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1939 (GTFILES): Rename regclass.c to reginfo.c.
1941 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1942 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1944 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1945 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1947 (finish_spills): Ditto. Remove code for !flag_ira.
1949 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1952 * doc/invoke.texi (rtl debug options): Complete rewrite.
1953 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1955 * mode-switching.c (pass_mode_switching): Rename pass from
1956 "mode-sw" to "mode_sw".
1957 * except.c (pass_convert_to_eh_ranges): Rename pass from
1958 "eh-ranges" to "eh_ranges".
1959 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1963 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1964 Alexander Monakov <amonakov@ispras.ru>
1967 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1969 (move_exprs_to_boundary): Change return type and pass through
1970 should_move from move_op. Relax assert. Update usage ...
1971 (schedule_expr_on_boundary): ... here. Use should_move instead of
1973 (move_op_orig_expr_found): Indicate that insn was disconnected from
1975 (code_motion_process_successors): Do not call after_merge_succs
1976 callback if original expression was not found when traversing any of
1978 (code_motion_path_driver): Change return type. Update prototype.
1979 (move_op): Update comment. Add a new parameter (should_move). Update
1980 prototype. Set *should_move based on indication provided by
1981 move_op_orig_expr_found.
1983 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1985 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1986 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1987 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1988 * config/rs6000/rs6000.c (rs6000_override_options): Default
1989 avoid-indexed-addresses on for Power6, off for everything else.
1990 (avoiding_indexed_address_p): New function.
1991 (rs6000_legitimize_address): Use it.
1992 (rs6000_legitimate_address): Likewise.
1993 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1995 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1997 PR tree-optimization/38997
1998 * tree-loop-distribution.c (generate_memset_zero): Use
1999 POINTER_PLUS_EXPR for a pointer addition.
2001 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2003 * config/s390/s390.md (bswap<mode>2): New pattern added.
2005 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2007 * config/s390/s390.md (*tls_load_31): Added type attribute.
2009 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2011 * config/s390/s390.md: Fix a few comments.
2013 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2015 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2016 (*tm<mode>_full): Fixed z10prop attribute.
2017 (*tst<mode>_extimm): Fixed z10prop attribute.
2018 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2019 (*tstqiCCT_cconly): Fixed z10prop attribute.
2020 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2021 (*movsi_larl): Fixed z10prop attribute.
2022 (*movsi_zarch): Fixed z10prop attribute.
2023 (*movsi_eas): Fixed z10prop attribute.
2024 (*movhi): Fixed z10prop attribute.
2025 (*movqi): Fixed z10prop attribute.
2026 (*movstrictqi): Fixed z10prop attribute.
2027 (*mov<mode>): Fixed z10prop attribute.
2028 (*movcc): Fixed z10prop attribute.
2029 (*sethighpartdi_64): Fixed z10prop attribute.
2030 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2031 (*negdi2_sign_cc): Fixed z10prop attribute.
2032 (*negdi2_sign): Fixed z10prop attribute.
2033 (*absdi2_sign_cc): Fixed z10prop attribute.
2034 (*absdi2_sign): Fixed z10prop attribute.
2035 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2036 (*negabsdi2_sign): Fixed z10prop attribute.
2037 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2038 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2039 (doloop_si64): Fixed z10prop attribute.
2040 (doloop_si31): Fixed z10prop attribute.
2041 (doloop_long): Fixed z10prop attribute.
2042 (indirect_jump): Fixed z10prop attribute.
2043 (nop): Fixed z10prop attribute.
2044 (main_base_64): Fixed z10prop attribute.
2045 (reload_base_64): Fixed z10prop attribute.
2047 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2049 PR rtl-optimization/38740
2050 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2052 * config/mips/mips.c (mips_reorg): Likewise.
2054 2009-01-28 Richard Guenther <rguenther@suse.de>
2056 PR tree-optimization/38926
2057 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2058 with the correct value id to a value.
2059 (do_regular_insertion): Use the value number of edoubleprime
2060 for the value number of the expr.
2063 2008-08-21 Richard Guenther <rguenther@suse.de>
2065 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2066 a PHI ask VN if it is already available.
2067 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2068 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2070 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2073 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2074 set to varying whenever max has TREE_OVERFLOW set, similarly
2075 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2077 2009-01-28 Richard Guenther <rguenther@suse.de>
2080 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2081 uninitialized aggregate uses in call arguments.
2083 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2085 PR tree-optimization/38984
2086 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2087 the nothing_id variable if -fno-delete-null-pointer-checks.
2089 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2092 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2093 (set_got_offset_rex64): Ditto.
2095 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2098 * doc/extend.texi: Improve local variable with asm reg.
2100 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2102 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2103 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2104 was not supplied then set warn_packed_bitfield_compat to the
2106 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2109 2009-01-27 Richard Guenther <rguenther@suse.de>
2111 PR tree-optimization/38503
2112 * cfgexpand.c (expand_gimple_basic_block): Ignore
2113 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2114 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2115 variables that cannot have TBAA applied.
2116 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2119 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2122 * calls.c (initialize_argument_information): Do not wrap complex
2123 arguments in SAVE_EXPR.
2125 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2127 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2128 (INSTALL_LIBGCC): Revert typo commit.
2130 2009-01-26 Richard Guenther <rguenther@suse.de>
2132 PR tree-optimization/38745
2133 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2134 from special handling.
2136 2009-01-26 Richard Guenther <rguenther@suse.de>
2138 PR tree-optimization/38745
2139 * tree-ssa.c (execute_update_addresses_taken): Do not include
2140 variables that cannot possibly be a register in not_reg_needs.
2141 Do not clear TREE_ADDRESSABLE on vars that may not become
2143 * tree-ssa.c (update_alias_info_1): Include those in the set
2144 of addressable vars.
2146 2009-01-26 Richard Guenther <rguenther@suse.de>
2149 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2150 * tree-ssa-dse.c: Include langhooks.h
2151 (execute_simple_dse): Remove stores with zero size.
2153 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2156 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2159 2009-01-24 Julian Brown <julian@codesourcery.com>
2161 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2162 config/arm/linux-atomic.c.
2163 * config/arm/linux-atomic.c: New.
2165 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2167 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2168 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2169 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2171 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2174 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2177 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2179 PR tree-optimization/38953
2180 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2181 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2182 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2183 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2186 2009-01-24 Paul Brook <paul@codesourcery.com>
2188 * config/arm/neon.md (neon_type): Move to arm.md.
2189 (neon_mov<VSTRUCT>): Add neon_type attribute.
2190 * config/arm/arm.md (neon_type): Move to here.
2191 (conds): Add "unconditioal" and use as default for NEON insns.
2193 2009-01-24 Ben Elliston <bje@au.ibm.com>
2195 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2196 void *' warning from -Wc++-compat.
2197 * Makefile.in (dominance.o-warn): Remove.
2199 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2201 PR tree-optimization/38932
2202 * fold-const.c (fold_unary_ignore_overflow): New.
2203 * tree.h (fold_unary_ignore_overflow): Declare.
2204 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2205 * tree-ssa-sccvn.c (visit_reference_op_load,
2206 simplify_unary_expression): Likewise.
2208 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2210 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2211 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2212 regardless of their type.
2213 * c-common.c (handle_packed_attribute): Don't ignore packed on
2215 * c.opt (Wpacked-bitfield-compat): New warning option.
2216 * stor-layout.c (place_field): Warn if offset of a field changed.
2217 * doc/extend.texi (packed): Mention the ABI change.
2218 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2219 (Warning Options): Add it to the list.
2221 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2223 * c-opts.c (c_common_post_options): Fix a typo in comments.
2225 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2228 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2229 variables to static.
2230 * doc/invoke.texi (-fmerge-all-constants): Update description.
2232 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2235 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2236 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2238 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2240 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2242 (LOCAL_ALIGNMENT): Similarly.
2244 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2245 Joseph Myers <joseph@codesourcery.com>
2247 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2248 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2249 * config/arm/arm-tune.md: Regenerate.
2250 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2253 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2255 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2256 version number to five.
2258 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2261 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2262 * c-common.c (set_underlying_type): Likewise.
2263 (is_typedef_decl ): Likewise
2265 (set_underlying_type): Likewise.
2266 (is_typedef_type): Likewise.
2268 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2271 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2274 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2277 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2278 (LIBGCC_SPEC): Don't define.
2279 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2281 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2283 PR rtl-optimization/38879
2284 * alias.c (base_alias_check): Unaligned access via AND address can
2285 alias all surrounding object types except those with sizes equal
2286 or wider than the size of unaligned access.
2288 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2291 * c-decl.c: (clone_underlying_type): Move this ...
2292 * c-common.c (set_underlying_type): ... here.
2293 Also, make sure the function properly sets TYPE_STUB_DECL() on
2294 the newly created typedef variant type.
2295 (is_typedef_decl ): New entry point.
2296 * tree.h: Added a new member member_types_needing_access_check to
2297 struct tree_decl_non_common.
2298 (set_underlying_type): New entry point.
2299 (is_typedef_type): Likewise.
2301 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2303 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2304 Check whether two instructions have memory references that
2305 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2306 are helper functions for traversing.
2307 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2308 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2309 not to draw dependency edge for instructions with non-conflicting
2312 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2315 * longlong.h: Update copyright years. Use soft-fp license notice.
2316 Sync __clz_tab declaration with glibc.
2318 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2321 * doc/extend.texi (syscall_linkage): New.
2322 (version_id): Modify.
2324 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2325 Richard Guenther <rguenther@suse.de>
2327 PR tree-optimization/38747
2328 PR tree-optimization/38748
2329 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2330 conversion if the base address is an indirect reference and the
2331 aliasing sets could cause issues.
2333 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2335 * common.opt (fgraphite, fgraphite-identity): Add comment for
2336 explaining why these options are not documented.
2338 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2340 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2341 gimple_call_lhs is NULL.
2343 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2346 * emit-rtl.c (adjust_address_1): Make sure memref is never
2349 2009-01-20 Ben Elliston <bje@au.ibm.com>
2351 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2352 const qualifier from arg parameter. Remove unnecessary cast to char *.
2353 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2354 const qualifier from arg 2.
2356 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2358 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2360 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2363 * rtl.h (reinit_regs): New prototype.
2364 * regclass.c: Include ira.h.
2366 * Makefile.in (regclass.o): Add ira.h.
2367 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2369 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2372 * c-common.c (handle_aligned_attribute): Use
2373 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2374 default alignment value.
2376 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2378 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2379 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2381 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2382 __BIGGEST_ALIGNMENT__.
2384 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2386 2009-01-18 Richard Guenther <rguenther@suse.de>
2388 PR tree-optimization/38819
2389 * tree-flow.h (operation_could_trap_helper_p): Declare.
2390 * tree-eh.c (operation_could_trap_helper_p): Export.
2391 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2392 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2393 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2394 are about to insert a possibly trapping instruction and fail
2397 2009-01-18 Andreas Schwab <schwab@suse.de>
2399 * doc/install.texi (Configuration): Remove obsolete paragraph
2400 about use of --with-gnu-ld with --with-gnu-as.
2402 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2404 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2405 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2406 Follow spelling conventions.
2408 2009-01-18 Ben Elliston <bje@au.ibm.com>
2410 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2411 C++ warning about implicit conversion from void * to struct
2413 (bitmap_obstack_free): Likewise for bitmap_element *.
2414 * Makefile.in (bitmap.o-warn): Remove.
2416 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2418 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2420 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2421 Tobias Grosser <tobi.grosser@amd.com>
2423 * graphite.c (graphite_trans_scop_block): Do not block single
2426 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2428 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2429 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2430 test with assertion.
2432 2009-01-16 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/38835
2436 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2437 and INT + PTR -> (INT)(PTR p+ INT) folding.
2438 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2440 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2443 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2444 the subreg from a lowpart subreg if it is also casting the value.
2446 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2447 Tobias Grosser <tobi.grosser@amd.com>
2449 * graphite.c (compare_prefix_loops): New.
2450 (build_scop_canonical_schedules): Rewritten.
2451 (graphite_transform_loops): Move build_scop_canonical_schedules
2452 after build_scop_iteration_domain.
2454 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2455 Tobias Grosser <tobi.grosser@amd.com>
2457 * graphite.c (add_conditions_to_domain): Add the loops to
2458 the dimension of the iteration domain. Do copy the domain
2459 only when it exists.
2460 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2461 (add_conditions_to_constraints): New.
2462 (can_generate_code_stmt, can_generate_code): Removed.
2463 (gloog): Do not call can_generate_code.
2464 (graphite_transform_loops): Call add_conditions_to_constraints
2465 after building the iteration domain.
2467 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2469 PR tree-optimization/38789
2470 * tree-ssa-threadedge.c
2471 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2472 __builtin_constant_p.
2474 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2476 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2477 examined before deleting them.
2479 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2481 * function.c (aggregate_value_p): Correctly extract the function
2482 type from CALL_EXPR_FN lookup.
2484 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2486 * config/picochip/picochip.c (picochip_override_options): Revert
2487 CFI asm flag disable commited previously.
2489 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2490 Tobias Grosser <tobi.grosser@amd.com>
2491 Jan Sjodin <jan.sjodin@amd.com>
2493 * graphite.c (scan_tree_for_params): On substractions negate
2494 all the coefficients of the term.
2495 (clast_to_gcc_expression_red): New. Handle reduction expressions
2496 of more than two operands.
2497 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2498 (get_vdef_before_scop): Handle also the case of default definitions.
2500 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2502 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2503 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2504 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2506 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2507 Joey Ye <joey.ye@intel.com>
2510 * cfgexpand.c (expand_stack_alignment): Don't update stack
2511 boundary nor check incoming stack boundary here.
2512 (gimple_expand_cfg): Update stack boundary and check incoming
2513 stack boundary here.
2515 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2517 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2519 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2521 PR rtl-optimization/38245
2522 * calls.c (expand_call): Add stack arguments to
2523 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2524 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2525 in regs and partially in memory or BLKmode arguments.
2526 (emit_library_call_value_1): Add stack arguments to
2527 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2528 ACCUMULATE_OUTGOING_ARGS).
2529 * dce.c: Include tm_p.h.
2530 (find_call_stack_args): New function.
2531 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2533 (mark_insn): Call find_call_stack_args for CALL_Ps.
2534 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2535 forwards. Allocate and free arg_stores bitmap if needed, pass it
2536 down to deletable_insn_p, don't mark stores set in arg_stores
2537 bitmap, clear the bitmap at the beginning of each bb.
2538 * Makefile.in (dce.o): Depend on $(TM_P_H).
2540 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2543 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2544 to make sure the insn is a conditional test (bug 22599). Reformat a
2547 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2550 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2551 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2552 (gloog): Do not call cleanup_tree_cfg.
2553 (graphite_transform_loops): Call cleanup_tree_cfg after all
2554 scops have been code generated.
2556 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2557 * doc/gty.texi (Invoking the garbage collector): Added new node
2558 and section documenting ggc_collect.
2560 2009-01-14 Richard Guenther <rguenther@suse.de>
2562 PR tree-optimization/38826
2564 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2565 initialization notes only if we actually emitted a warning.
2566 (intra_create_variable_infos): Add constraints for a result decl
2567 that is passed by hidden reference.
2568 (build_pred_graph): Mark all related variables non-direct on
2571 2009-01-14 Nick Clifton <nickc@redhat.com>
2573 * ira-conflicts.c: Include addresses.h for the definition of
2575 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2576 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2578 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2581 * Makefile.in (ira-lives.o): Add except.h.
2583 * ira-lives.c: Include except.h.
2584 (process_bb_node_lives): Process can_throw_internal.
2586 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2588 PR rtl-optimization/38774
2589 * combine.c (simplify_set): When undoing cc_use change, don't do
2590 PUT_CODE on the newly created comparison, but instead put back the
2593 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2595 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2596 values. Remove duplicate arm8 entry.
2598 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2600 PR tree-optimization/38786
2601 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2602 the SSA_NAME case of expand_scalar_variables_expr.
2603 Set the type of an expression to the type of its assign statement.
2604 (expand_scalar_variables_expr): Also gather the scalar computation
2605 used to index the memory access. Do not pass loop_p.
2606 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2607 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2608 the gimple_stmt_iterator where it inserts new code.
2610 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2611 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2613 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2615 * graphite.h (debug_value): Removed.
2616 * graphite.c (debug_value): Removed.
2618 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2620 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2621 ldrd/strd with two 32-bit instructions.
2623 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2625 * config/arm/arm.c (struct processors): Pass for speed down into
2626 cost helper functions.
2627 (const_ok_for_op): Handle COMPARE and inequality nodes.
2628 (arm_rtx_costs_1): Rewrite.
2629 (arm_size_rtx_costs): Update prototype.
2630 (arm_rtx_costs): Pass speed down to helper functions.
2631 (arm_slowmul_rtx_costs): Rework cost calculations.
2632 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2633 (arm_9e_rtx_costs): Likewise.
2635 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2637 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2638 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2639 (alpha_legitimize_address): Do not split local symbols wider than
2640 UNITS_PER_WORD into HIGH/LO_SUM parts.
2642 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2645 * gcc.c (process_command): Replace call to execvp with calls
2646 to pex_one and exit.
2648 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2651 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2652 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2653 variant for devices with 3-byte PC.
2654 (__tablejump_elpm__) : New.
2656 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2659 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2660 offsetof member-designator, handle it as `[0].'.
2662 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2664 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2665 function when not using named sections on targets with named sections
2666 if branch distance is less than 262132.
2668 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2670 * combine.c (combine_instructions): Recompute
2671 optimize_this_for_speed_p for each BB in the main combine loop.
2673 2009-01-12 Tomas Bily <tbily@suse.cz>
2676 * tree-loop-distribution.c (prop_phis): New function.
2677 (generate_builtin): Call prop_phis.
2678 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2680 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2682 PR tree-optimization/38807
2683 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2684 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2686 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2688 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2689 subreg of op0 to the original op0.
2691 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2693 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2695 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2698 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2699 starting with digits.
2701 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2704 * config/arm/arm.c (arm_is_long_call_p): Don't call
2705 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2707 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2709 * regrename.c (regrename_optimize): Fix dumping.
2710 (find_oldest_value_reg): Preserve REG_POINTER.
2711 (copy_hardreg_forward_1): Likewise.
2713 2009-01-09 Diego Novillo <dnovillo@google.com>
2715 * gimple.h (struct gimple_statement_base) <uid>: Document
2716 the restrictions on its use.
2718 (gimple_set_uid): Tidy.
2720 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2722 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2723 zero guard even if align_bytes != 0 and count is smaller than
2726 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2728 PR rtl-optimization/38495
2729 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2730 (add_range_and_copies_from_move_list): Print all added ranges.
2731 Add ranges to memory optimized destination.
2733 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2737 * config/i386/i386.c (override_options): Reject
2738 -mstringop-strategy=rep_8byte with -m32.
2739 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2740 to 1. Do count comparison against epilogue_size_needed at compile
2741 time even when count_exp was constant forced into register. For
2742 size_needed don't jump to epilogue, instead just avoid aligning
2743 and invoke the body algorithm. If need_zero_guard, add zero guard
2744 even if count is non-zero, but smaller than size_needed + number of
2745 bytes that could be stored for alignment.
2746 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2747 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2748 but smaller than size_needed + number of bytes that could be stored
2749 for alignment. Compare size_needed with epilogue_size_needed instead
2750 of desired_align - align, don't adjust size_needed, pass
2751 epilogue_size_needed to the epilogue expanders.
2754 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2756 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2758 * pa.c (last_address): Change to unsigned.
2759 (update_total_code_bytes): Change argument to unsigned. Don't
2760 check if insn addresses are set.
2761 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2762 addresses are not set.
2763 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2765 2009-01-09 Nick Clifton <nickc@redhat.com>
2767 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2768 DECL_DECLARED_INLINE_P.
2770 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2773 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2774 GET_MODE (op0) in operand_subword_force calls.
2777 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2778 fold_convert arg0 operands to TREE_TYPE (op0) first.
2780 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2782 * params.def (ira-max-conflict-table-size): Decrease default value
2785 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2787 PR tree-optimization/37031
2788 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2790 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2791 allocate it using gc instead of heap, use VEC_quick_push instead of
2793 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2794 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2795 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2796 allocated vector from heap allocated.
2797 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2798 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2799 vector only after perfect_loop_nest_depth call.
2801 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2802 Jan Sjodin <jan.sjodin@amd.com>
2804 PR tree-optimization/38559
2805 * graphite.c (debug_value, copy_constraint,
2806 swap_constraint_variables, scale_constraint_variable, ): New.
2807 (get_lower_bound, get_upper_bound): Removed.
2808 (graphite_trans_bb_strip_mine): Clean up this code that works
2809 only for constant number of iterations. Fully copy upper and
2810 lower bound constraints, not only the constant part of them.
2811 * graphite.h (debug_value): Declared.
2813 2009-01-08 Ira Rosen <irar@il.ibm.com>
2815 PR tree-optimization/37194
2816 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2817 Don't add the cost of cost model guard in prologue to scalar
2818 outside cost in case of known number of iterations.
2820 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2821 Alan Modra <amodra@bigpond.net.au>
2823 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2824 non-word-aligned REG+CONST addressing.
2826 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2829 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2830 free_after_compilation when outputting a thunk.
2831 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2832 Do not call free_after_compilation here.
2834 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2836 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2837 (ix86_valid_target_attribute_inner_p): Ditto.
2839 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2841 PR tree-optimization/38492
2842 PR tree-optimization/38498
2843 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2844 * tree-chrec.h (scev_is_linear_expression): Declared.
2845 * graphite.c (graphite_cannot_represent_loop_niter): New.
2846 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2847 (graphite_loop_normal_form): Use gcc_assert.
2848 (scan_tree_for_params): Use CASE_CONVERT.
2849 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2850 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2851 Use gcc_assert. Discard scops that contain unhandled cases.
2852 (build_scop_conditions): Return a boolean status for unhandled cases.
2853 (strip_mine_profitable_p): Print the loop number, not its depth.
2854 (is_interchange_valid): Pass the depth of the loop nest, don't
2855 recompute it wrongly.
2856 (graphite_trans_bb_block): Same.
2857 (graphite_trans_bb_block): Print tentative of loop blocking.
2858 (graphite_trans_scop_block): Do not print that the loop has been
2860 (graphite_transform_loops): Do not handle scops that contain condition
2863 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2865 AVX Programming Reference (December, 2008)
2866 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2867 (_mm256_stream_pd): Likewise.
2868 (_mm256_stream_ps): Likewise.
2870 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2871 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2872 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2873 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2874 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2875 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2876 (ix86_expand_special_args_builtin): Likewise.
2878 * config/i386/sse.md (AVXMODEDI): New.
2879 (avx_movnt<mode>): Likewise.
2880 (avx_movnt<mode>): Likewise.
2881 (<sse>_movnt<mode>): Remove AVX support.
2882 (sse2_movntv2di): Likewise.
2884 2009-01-07 Richard Guenther <rguenther@suse.de>
2887 * fold-const.c (extract_muldiv): Remove obsolete comment.
2888 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2889 to PLUS_EXPR canonicalization for the canonicalization.
2891 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2893 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2894 hosted cross-compilers generating less efficient code.
2896 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2898 * function.h (rtl_data): Add a dbr_scheduled_p field.
2899 * reorg.c (dbr_schedule): Set it.
2900 (gate_handle_delay_slots): Check it.
2901 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2902 (mips_reorg): Check flag_delayed_branch instead of
2903 mips_base_delayed_branch.
2904 (mips_override_options): Don't set mips_base_delayed_branch
2905 or flag_delayed_branch.
2907 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2909 PR rtl-optimization/38426.
2910 * ira.c (ira): Set current_function_is_leaf earlier.
2912 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2914 PR rtl-optimization/38722
2915 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2916 too early, only set a flag and modify after last possible
2919 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2922 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2923 * real.c (decimal_single_format): Correct values of emin and emax.
2924 (decimal_double_format): Ditto.
2925 (decimal_quad_format): Ditto.
2926 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2927 computation of DECnn_MIN and DECnn_MAX for corrected values of
2928 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2929 __DECnn_MIN__, and adjust its computation for the corrected value
2932 2009-01-06 Jan Hubicka <jh@suse.cz>
2935 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2937 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2939 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2940 Add Robert Clark to the list of testers.
2942 2009-01-06 Jan Hubicka <jh@suse.cz>
2943 Kai Tietz <kai.tietz@onevision.com>
2945 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2946 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2948 2009-01-06 Jan Hubicka <jh@suse.cz>
2949 Kai Tietz <kai.tietz@onevision.com>
2951 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2953 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2954 (ix86_nsaved_regs): Count only general purpose regs.
2955 (ix86_nsaved_sseregs): New.
2956 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2957 to 16 for w64; compute padding and size of sse reg save area.
2958 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2959 general purpose regs.
2960 (ix86_emit_save_sse_regs_using_mov): New.
2961 (ix86_expand_prologue): Save SSE regs if needed.
2962 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2963 (ix86_emit_restore_sse_regs_using_mov): New.
2964 (ix86_expand_epilogue): Save SSE regs if needed.
2966 2009-01-06 Jan Hubicka <jh@suse.cz>
2967 Kai Tietz <kai.tietz@onevision.com>
2969 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2970 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2971 functions when accumulate outgoing args is off.
2973 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2976 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2977 before using pseudos_have_intersected_live_ranges_p.
2979 * ira-int.h (ira_assert): Always define.
2981 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2983 AVX Programming Reference (December, 2008)
2984 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2985 (_mm256_permute2_pd): Likewise.
2986 (_mm_permute2_ps): Likewise.
2987 (_mm256_permute2_ps): Likewise.
2988 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2989 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2991 * config/i386/i386.c (ix86_builtins): Remove
2992 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2993 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2994 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2995 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2996 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2997 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2998 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2999 __builtin_ia32_vpermil2ps256.
3000 (ix86_init_mmx_sse_builtins): Updated.
3001 (ix86_expand_args_builtin): Likewise.
3003 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3005 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3006 long absolute calls when generating PA 2.0 code.
3008 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3010 PR rtl-optimization/38583
3011 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3013 * params.def (ira-max-conflict-table-size): New.
3015 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3017 * ira.h (ira_conflicts_p): New external definition.
3019 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3020 table. Report this. Return result of building.
3021 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3022 building conflict table.
3024 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3025 (ira_color): Use ira_conflicts_p.
3027 * global.c: Include ira.h.
3028 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3031 * Makefile.in (global.o): Add ira.h.
3033 * ira-build.c (mark_all_loops_for_removal,
3034 propagate_some_info_from_allocno): New.
3035 (remove_unnecessary_allocnos): Call
3036 propagate_some_info_from_allocno.
3037 (remove_low_level_allocnos): New.
3038 (remove_unnecessary_regions): Add parameter. Call
3039 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3040 parameter to remove_unnecessary_regions.
3041 (ira_build): Remove all regions but root if the conflict table was
3042 not built. Update conflict hard regs for allocnos crossing calls.
3044 * ira.c (ira_conflicts_p): New global.
3045 (ira): Define and use ira_conflicts_p.
3047 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3048 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3049 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3051 2009-01-06 Ben Elliston <bje@au.ibm.com>
3053 * gengtype-lex.l (YY_NO_INPUT): Define.
3055 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3058 * c-common.c (handle_vector_size_attribute): Also reject
3061 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3063 PR tree-optimization/38492
3064 * graphite.c (rename_map_elt, debug_rename_elt,
3065 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3066 rename_map_elt_info, eq_rename_map_elts,
3067 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3068 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3069 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3070 (sese_build_livein_liveouts): New.
3071 (new_sese, free_sese): New.
3072 (new_scop): Call new_sese.
3073 (free_scop): Call free_sese.
3074 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3075 (register_old_new_names): Renamed register_old_and_new_names.
3076 (register_scop_liveout_renames, add_loop_exit_phis,
3077 insert_loop_close_phis, struct igp,
3078 default_liveout_before_guard, add_guard_exit_phis,
3079 insert_guard_phis, copy_renames): New.
3080 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3081 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3082 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3083 (scop_adjust_phis_for_liveouts): New.
3084 (gloog): Call scop_adjust_phis_for_liveouts.
3086 * graphite.h (struct sese): Documented. Added fields liveout,
3088 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3089 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3090 (struct scop): Added field liveout_renames.
3091 (SCOP_LIVEOUT_RENAMES): New.
3093 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3095 PR tree-optimization/38510
3096 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3097 (translate_clast): Call recompute_all_dominators before
3099 (gloog): Call recompute_all_dominators before graphite_verify.
3101 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3102 Jan Sjodin <jan.sjodin@amd.com>
3104 PR tree-optimization/38500
3105 * graphite.c (create_sese_edges): Call fix_loop_structure after
3108 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3110 * config.gcc: Add m32r*-*-rtems*.
3111 * config/m32r/rtems.h: New file.
3113 2009-01-05 Ben Elliston <bje@au.ibm.com>
3115 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3116 (.po.pox): Likewise.
3117 (po/gcc.pot): Likewise.
3119 2009-01-04 David S. Miller <davem@davemloft.net>
3121 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3122 (STARTING_FRAME_OFFSET): Always set to zero.
3124 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3126 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3127 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3128 fixed-point types, and vectors of the same.
3130 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3132 * config/mips/sync.md (*mb_barrier): Rename to...
3133 (*memory_barrier): ...this.
3135 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3137 * doc/extend.texi (Function Attributes): Move @cindex after @item
3138 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3139 and put in alphabetical order. Fix 'target' name and put in order.
3140 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3143 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3145 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3146 (memory_barrier): Expand as unspec instead of unspec_volatile.
3147 Remove mem:BLK from insn operands. Use Pmode scratch register.
3148 (*memory_barrier): Define as unspec instead of unspec_volatile.
3149 Use (match_dup 0) as input operand.
3151 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3152 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3153 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3154 scratch register. Remove operand 1.
3155 (*stbar): Define as unspec instead of unspec_volatile.
3156 Use (match_dup 0) as input operand, remove (const_int 8).
3157 (*membar): Define as unspec instead of unspec_volatile.
3158 Use (match_dup 0) as input operand, remove input operand 2.
3160 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3161 (memory_barrier): Expand as unspec instead of unspec_volatile.
3162 Remove mem:BLK from insn operands. Use Pmode scratch register.
3163 (*memory_barrier): Define as unspec instead of unspec_volatile.
3164 Use (match_dup 0) as input operand.
3166 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3167 Remove mem:BLK from insn operands. Use Pmode scratch register.
3168 Set volatile flag on operand 0.
3169 (*memory_barrier): New insn pattern.
3171 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3173 (*memory_barrier): Use (match_dup 0) as input operand.
3175 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3176 Remove mem:BLK from insn operands. Use Pmode scratch register.
3177 Set volatile flag on operand 0.
3178 (*mb_internal): New insn pattern.
3180 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3182 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3185 * function.c (struct temp_slot): Move to the section of the file
3186 that deals with temp slots. Remove field 'address'.
3187 (temp_slot_address_table): New hash table of address -> temp slot.
3188 (struct temp_slot_address_entry): New struct, items for the table.
3189 (temp_slot_address_compute_hash, temp_slot_address_hash,
3190 temp_slot_address_eq, insert_temp_slot_address): Support functions
3192 (find_temp_slot_from_address): Rewrite to use the new hash table.
3193 (remove_unused_temp_slot_addresses): Remove addresses of temp
3194 slots that have been made available.
3195 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3196 worker function for remove_unused_temp_slot_addresses.
3197 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3198 Add the temp slot address to the address -> temp slot map.
3199 (update_temp_slot_address): Update via insert_temp_slot_address.
3200 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3201 (pop_temp_slots): Likewise.
3202 (init_temp_slots): Allocate the address -> temp slot map, or empty
3203 the map if it is already allocated.
3204 (prepare_function_start): Initialize temp slot processing.
3206 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3209 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3210 Calculate the size of all stack vars assuming no packing of stack
3211 vars will happen, replacing a quadratic algorithm with a linear one.
3213 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3216 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3219 2009-01-03 Diego Novillo <dnovillo@google.com>
3221 * doc/contrib.texi: Update contributions.
3223 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3226 * builtins.c (fold_builtin_memory_op): Give up if either operand
3227 is volatile. Set srctype or desttype to non-qualified version
3231 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3234 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3236 PR rtl-optimization/35805
3237 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3238 problem if fast dce is able to remove any instructions.
3239 * dce.c (dce_process_block): Fix dump message.
3241 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3244 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3246 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3249 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3250 * tree-pretty-print.c (op_code_prio): New function.
3251 (op_prio): No longer static. Use op_code_prio.
3252 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3253 Use op_prio and op_code_prio to determine if () should be
3254 printed around operand(s) or not.
3256 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3257 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3258 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3259 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3260 pp_character instead of pp_string for single letter printing.
3262 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3264 * doc/extend.texi: Fix '#pragma GCC option' typo.
3266 2009-01-02 Richard Guenther <rguenther@suse.de>
3268 * doc/install.texi (--enable-checking): Mention different
3270 (--enable-stage1-checking): Document.
3272 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3275 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3276 case to be an error.
3278 2009-01-02 Ben Elliston <bje@au.ibm.com>
3280 * config/fp-bit.h (pack_d): Constify argument.
3281 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3282 (isnan): Constify argument.
3286 (_fpadd_parts): Constify return type.
3287 (_fpmul_parts): Likewise.
3288 (_fpdiv_parts): Likewise.
3290 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3293 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3294 warn about overwriting initializer with side-effects or
3295 -Woverride-init if !IMPLICIT.
3296 (output_init_element): Likewise. Pass IMPLICIT down to
3298 (process_init_element): Add IMPLICIT argument. Pass it down
3299 to output_init_element.
3300 (push_init_element, pop_init_level, set_designator): Adjust
3301 process_init_element callers.
3302 (set_nonincremental_init, set_nonincremental_init_from_string):
3303 Adjust add_pending_init callers.
3304 (output_pending_init_elements): Adjust output_init_element callers.
3305 * c-tree.h (process_init_element): Adjust prototype.
3306 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3307 process_init_element callers.