1 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * doc/invoke.texi (Debugging Options): Fix description of
4 -fno-merge-debug-strings.
6 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
8 * config/cris/libgcc.ver: New version-script.
9 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
11 * configure.ac <GAS features, nop mnemonic>: Add pattern
12 crisv32-*-* for "nop".
13 <GAS features, Thread-local storage>: Add item for CRIS and
15 * configure: Regenerate.
17 2009-03-24 Ira Rosen <irar@il.ibm.com>
19 PR tree-optimization/39529
20 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
21 mark_sym_for_renaming for the tag copied to the new vector
24 2009-03-24 Arthur Loiret <aloiret@debian.org>
26 * config.host (alpha*-*-linux*): Use driver-alpha.o and
28 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
30 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
31 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
32 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
33 -march and -mtune options.
35 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
37 * config/m68k/t-rtems: Add m5329 multilib.
39 2009-03-24 Dodji Seketeli <dodji@redhat.com>
40 Jakub Jelinek <jakub@redhat.com>
43 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
46 2009-03-23 Jakub Jelinek <jakub@redhat.com>
49 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
50 instead of c_parser_expression_conv, if original_code isn't one of the
51 4 allowed comparison codes, fail.
53 2009-03-23 Richard Guenther <rguenther@suse.de>
55 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
56 * tree.h (struct tree_type): Likewise.
57 * reload.h (struct insn_chain): Likewise.
58 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
59 * function.h (struct function): Likewise.
60 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
62 2009-03-23 Jakub Jelinek <jakub@redhat.com>
64 PR tree-optimization/39516
65 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
67 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
69 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
70 should be set true if BITS_PER_WORD of target is bigger than 32
72 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
74 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
75 Translate -B-options to -rpath-link. Correct existing
76 rpath-link and conditionalize on !nostdlib.
78 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
80 * doc/extend.texi (Function Attributes, Variable Attributes):
82 * doc/invoke.texi (Debugging Options, Optimize Options)
83 (i386 and x86-64 Options, MCore Options): Likewise.
85 2009-03-20 Jakub Jelinek <jakub@redhat.com>
88 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
89 it for block local namespace aliases.
90 (gen_decl_die): Pass context_die to gen_namespace_die.
92 2009-03-19 Jakub Jelinek <jakub@redhat.com>
95 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
96 minimum or maximum value.
98 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
100 * reginfo.c (globalize_reg): Recompute derived reg sets.
102 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
105 * libgcc2.c (mprotect): Do not use signed arguments for
106 VirtualProtect, use DWORD arguments. Also fix the 'may
107 be used uninitialized' warning for the np variable.
109 2009-03-19 Jakub Jelinek <jakub@redhat.com>
112 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
113 functions using regparm calling conventions when not optimizing.
114 (ix86_function_sseregparm): Similarly for sseregparm calling
117 2009-03-19 Li Feng <nemokingdom@gmail.com>
120 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
121 dependence if the first conflict is after niter iterations.
123 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
126 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
127 functions with dynamic stack-pointer adjustments.
129 2009-03-19 Ben Elliston <bje@au.ibm.com>
131 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
132 option; change to -msdata=data.
134 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
136 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
139 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
142 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
144 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
146 * doc/invoke.texi (Code Gen Options): Expand discussion of
149 2009-03-18 Jakub Jelinek <jakub@redhat.com>
151 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
152 * matrix-reorg.c (struct matrix_info): Likewise.
153 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
154 * rtl.h (struct mem_attrs): Likewise.
155 * df.h (struct df): Likewise.
156 * tree-data-ref.h (struct data_dependence_relation): Likewise.
157 * ira-int.h (struct ira_allocno): Likewise.
158 * df-scan.c (struct df_collection_rec): Likewise.
159 * ira.c (struct equivalence): Likewise.
160 * function.c (struct temp_slot): Likewise.
161 * cfgloop.h (struct loop): Likewise.
164 * function.c (use_register_for_decl): When not optimizing, disregard
165 register keyword for variables with types containing methods.
167 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
170 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
171 (is_simple_operand): Call contains_component_ref_p before calling data
172 reference analysis that would fail on COMPONENT_REFs.
174 * tree-vrp.c (search_for_addr_array): Fix formatting.
176 2009-03-18 Richard Guenther <rguenther@suse.de>
178 * tree-vect-transform.c (vect_loop_versioning): Fold the
179 generated comparisons.
180 * tree-vectorizer.c (set_prologue_iterations): Likewise.
181 (slpeel_tree_peel_loop_to_edge): Likewise.
183 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
186 * opts.c (print_specific_help): In addition to `undocumented',
187 accept `separate' and `joined' flags if passed alone. Describe
188 output by the first matched one of those.
189 (common_handle_option): Skip over empty strings.
190 * gcc.c (display_help): Fix help string for `--help='.
191 * doc/invoke.texi (Option Summary, Overall Options): With
192 `--help=', classes and qualifiers can both be repeated, but
193 only the latter can be negated. One should not pass only
194 negated qualifiers. Fix markup and examples.
197 2008-10-14 Jakub Jelinek <jakub@redhat.com>
199 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
202 2009-03-17 Jing Yu <jingyu@google.com>
205 * function.h (struct rtl_data): Move is_thunk from here...
206 (struct function): ...to here.
207 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
208 * varasm.c (assemble_start_function): Change is_thunk from crtl to
210 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
212 (alpha_does_function_need_gp, alpha_start_function): Likewise.
213 (alpha_output_function_end_prologue): Likewise.
214 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
215 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
216 (rs6000_output_function_epilogue): Likewise.
217 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
219 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
222 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
223 from different units in a single alternative.
224 (*truncdfsf_i387): Ditto.
225 (*truncxfsf2_mixed): Ditto.
226 (*truncxfdf2_mixed): Ditto.
228 2009-03-17 Jakub Jelinek <jakub@redhat.com>
230 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
231 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
234 * tree-ssa-live.c (remove_unused_locals): Don't remove local
235 unused non-artificial variables when not optimizing.
238 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
239 DW_TAG_imported_module even if decl is IMPORTED_DECL with
240 NAMESPACE_DECL in its DECL_INITIAL.
243 * optabs.c (set_user_assembler_libfunc): New function.
244 * expr.h (set_user_assembler_libfunc): New prototype.
245 * c-common.c: Include libfuncs.h.
246 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
247 for memcmp, memset, memcpy, memmove and abort.
248 * Makefile.in (c-common.o): Depend on libfuncs.h.
251 * dwarf2out.c (gen_inlined_enumeration_type_die,
252 gen_inlined_structure_type_die, gen_inlined_union_type_die,
253 gen_tagged_type_instantiation_die): Removed.
254 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
257 2009-03-17 Janis Johnson <janis187@us.ibm.com>
260 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
262 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
263 (check-parallel-%): Ditto.
264 (check-consistency): Ditto.
266 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
268 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
269 local variable rhs by NULL_TREE.
271 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
274 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
276 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
279 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
281 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
284 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
285 for ms->sysv ABI calls only in 64bit mode.
287 * config/i386/i386.md (untyped_call): Support 32bit.
289 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
291 * doc/extend.texi: Replace x86_65 with x86_64.
293 2009-03-16 Jakub Jelinek <jakub@redhat.com>
295 PR tree-optimization/39455
296 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
297 mismatches for POINTER_TYPE_P (type).
298 (number_of_iterations_le): Likewise.
300 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
302 * config/picochip/picochip.c: Removed profiling support.
303 * config/picochip/picochip.md: Removed profiling instruction.
304 * config/picochip/picochip.h: Removed profiling builtin.
306 2009-03-16 Joseph Myers <joseph@codesourcery.com>
308 * doc/install.texi (--with-host-libstdcxx): Document.
310 2009-03-14 Anatoly Sokolov <aesok@post.ru>
313 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
314 generate a warning if the function name does not begin with
315 "__vector" and the function has either the 'signal' or 'interrupt'
316 attribute, from here to ...
317 (avr_declare_function_name): ...here. New function.
318 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
319 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
321 2009-03-14 Jakub Jelinek <jakub@redhat.com>
324 * cse.c (fold_rtx): Don't modify original const_arg1 when
325 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
326 separate variable instead.
327 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
328 from out of range shift counts.
329 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
331 2008-03-13 Catherine Moore <clm@codesourcery.com>
333 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
334 diagnostic.h with $(DIAGNOSTIC_H).
336 2008-03-12 Jakub Jelinek <jakub@redhat.com>
339 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
341 * config/i386/sync.md (sync_compare_and_swap<mode>,
342 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
343 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
345 (sync_double_compare_and_swapdi_pic,
346 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
347 cmpxchg8b_pic_memory_operand instead of just memory_operand.
349 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
352 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
354 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
357 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
358 (avx_addsubv4df3): Likewise.
359 (*avx_addsubv4sf3): Likewise.
360 (sse3_addsubv4sf3): Likewise.
362 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
365 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
367 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
370 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
371 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
372 registers for allocnos created from user-defined variables.
374 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
377 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
378 of non-integer mode as well.
380 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
382 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
383 for functions for which the parameter types are unknown.
385 2009-03-11 Jakub Jelinek <jakub@redhat.com>
388 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
389 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
390 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
391 * config/i386/i386.c (ix86_local_alignment): For
392 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
393 long long variables on the stack to avoid dynamic realignment.
394 Allow the first argument to be a decl rather than type.
395 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
397 2009-03-11 Nick Clifton <nickc@redhat.com>
400 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
402 Add description to mno-lsim option.
403 * config/mcore/mcore.h: Remove comment about deprecated m4align
405 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
406 * doc/invoke.texi: Add description of mno-lsim and
407 mstack-increment options.
409 * config/fr30/fr30.opt: Document the -mno-lsim option.
410 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
411 and -mno-lsim options.
413 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
415 * fold-const.c (fold_comparison): Only call fold_inf_compare
416 if the mode supports infinities.
418 2009-03-11 Jason Merrill <jason@redhat.com>
421 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
422 end already did. Notice GIMPLE_CALL modifications of the result.
423 Don't copy debug information from an ignored decl or a decl from
426 2009-03-10 Richard Guenther <rguenther@suse.de>
427 Nathan Froyd <froydnj@codesourcery.com>
430 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
431 (__divMODE3): Likewise.
433 2009-03-09 Jakub Jelinek <jakub@redhat.com>
435 PR tree-optimization/39394
436 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
437 DECL_SIZE_UNIT of variable length FIELD_DECLs.
439 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
441 * recog.c (verfiy_changes): Disallow renaming of hard regs in
442 inline asms for register asm ("") declarations.
444 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
446 * fold-const.c (fold_unary): Fix comment.
448 2009-03-07 Jan Hubicka <jh@suse.cz>
451 * tree-inline.c (setup_one_parameter): Do replacement of const
452 argument by constant in SSA form.
454 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
457 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
458 determine alignment passed to assign_stack_local.
459 (assign_parms_unsplit_complex): Likewise.
460 * except.c (sjlj_build_landing_pads): Likewise.
462 2009-03-06 Jakub Jelinek <jakub@redhat.com>
465 * tree-flow.h (add_referenced_var): Return bool instead of void.
466 * tree-dfa.c (add_referenced_var): Return result of
467 referenced_var_check_and_insert call.
468 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
469 of referenced_var_check_and_insert.
472 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
473 (gen_variable_die): Emit DW_AT_location on abstract static variable's
474 DIE, don't emit it if abstract origin already has it.
475 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
476 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
478 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
480 * genpreds.c: (needs_variable): Fix parentheses at variable name
482 (write_tm_constrs_h): Indent generated code.
484 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
486 * doc/extend.texi (Function Attributes): Add documentation
489 2009-03-06 Jakub Jelinek <jakub@redhat.com>
492 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
493 take locus from its DECL_SOURCE_LOCATION instead of input_location.
495 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
497 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
500 2009-03-05 Jakub Jelinek <jakub@redhat.com>
503 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
504 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
506 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386.md (R8_REG, R9_REG): New constants.
509 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
510 constants instead of magic numbers.
511 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
513 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
514 (x86_64_ms_abi_int_parameter_registers): Ditto.
515 (x86_64_int_return_registers): Ditto.
516 (ix86_maybe_switch_abi): Ditto.
517 (ix86_expand_call): Ditto for clobbered_registers array.
518 (ix86_hard_regno_mode_ok): Ditto.
519 (x86_extended_QIreg_mentioned_p): Ditto.
521 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
523 PR tree-optimization/39349
524 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
526 * combine.c (gen_lowpart_for_combine): Use omode when generating
529 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
531 PR rtl-optimization/39235
532 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
534 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
536 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
538 2009-03-04 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/39362
541 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
542 that occur in abnormal PHIs should be varying.
544 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
546 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
548 (simple_iv): Take loop as an argument instead of statement.
549 * tree-scalar-evolution.h (simple_iv): Declaration changed.
550 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
552 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
554 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
555 * matrix-reorg.c (analyze_transpose): Ditto.
556 * tree-data-ref.c (dr_analyze_innermost): Ditto.
557 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
558 * tree-predcom.c (ref_at_iteration): Ditto.
559 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
561 2009-03-04 Richard Guenther <rguenther@suse.de>
563 PR tree-optimization/39358
564 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
565 escaped_id and callused_id.
566 (solve_graph): Likewise.
568 2009-03-04 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/39339
571 * tree-sra.c (try_instantiate_multiple_fields): Make it
572 no longer ICE on the above.
574 2009-03-03 Joseph Myers <joseph@codesourcery.com>
576 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
577 that fits within Pmode.
579 2009-03-03 Steve Ellcey <sje@cup.hp.com>
582 * tm.texi (LIBCALL_VALUE): Update description.
584 2009-03-03 Steve Ellcey <sje@cup.hp.com>
587 * doc/extend.texi (section): Update description.
589 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
592 * tree-inline.c (remapped_type): New.
593 (can_be_nonlocal): Call remapped_type instead of remap_type.
595 2009-03-03 Jakub Jelinek <jakub@redhat.com>
598 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
599 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
601 2009-03-03 Richard Guenther <rguenther@suse.de>
604 * tree.c (tree_nonartificial_location): New function.
605 * tree.h (tree_nonartificial_location): Declare.
606 * builtins.c (expand_builtin_memory_chk): Provide location
607 of the call location for artificial function pieces.
608 (maybe_emit_chk_warning): Likewise.
609 (maybe_emit_sprintf_chk_warning): Likewise.
610 (maybe_emit_free_warning): Likewise.
611 * expr.c (expand_expr_real_1): Likewise.
613 2009-03-03 Jakub Jelinek <jakub@redhat.com>
615 PR tree-optimization/39343
616 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
617 COMPONENT_REF t has ARRAY_TYPE.
619 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
622 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
623 when the type precision of the induction variable should be
624 larger than the type precision of nit.
625 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
626 * graphite.c (graphite_loop_normal_form): Same.
627 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
629 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
631 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
632 (*call_1_rex64_ms_sysv): Use named constants instead of magic
633 numbers to describe clobbered registers.
634 (*call_value_0_rex64_ms_sysv): Ditto.
635 * config/i386/mmx.md (mmx_emms): Ditto.
638 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
640 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
643 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
645 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
646 (spu_section_type_flags): New function.
648 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
650 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
651 reg_class_contents of FLOAT_REGS into a temporary.
653 2009-03-02 Richard Guenther <rguenther@suse.de>
654 Ira Rosen <irar@il.ibm.com>
656 PR tree-optimization/39318
657 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
658 information to the vectorized statement.
660 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
662 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
663 variable. Use defined names instead of magic constants for REX SSE
666 2009-03-01 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/39331
669 * omp-low.c (lower_send_shared_vars): Do not receive new
670 values for the reference of DECL_BY_REFERENCE parms or results.
672 2009-03-01 Jan Hubicka <jh@suse.cz>
675 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
676 BLOCK_NONLOCALIZED_VAR): New macros.
677 (tree_block): Add nonlocalized_vars.
678 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
679 gen_decl_die): Add origin argument. Allow generation of die with
681 (gen_member_die, gen_type_die_with_usage, force_decl_die,
682 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
684 (gen_block_die): Fix checking for unused blocks.
685 (process_scope_var): Break out from .... ; work with origins only.
686 (decls_for_scope) ... here; process nonlocalized list.
687 (dwarf2out_ignore_block): Look for nonlocalized vars.
688 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
690 (dump_scope_block): Dump them.
691 * tree-inline.c (remap_decls): Handle nonlocalized vars.
692 (remap_block): Likewise.
693 (can_be_nonlocal): New predicate.
694 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
696 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
698 * configure: Regenerate.
700 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
702 * optc-gen.awk: No need to duplicate option flags twice.
703 Reuse help texts for duplicate options which do not have any.
705 * gcc.c (display_help): Document --version.
707 * gcc.c (main): If print_help_list and verbose_flag, ensure
708 driver output comes before subprocess output.
710 * optc-gen.awk: Assign all remaining fields to help string,
711 space-separated, for multi-line help in *.opt.
713 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
714 -Wno-pedantic-ms-format is for MinGW targets only.
716 * doc/options.texi (Option file format): Fix bad indentation,
717 restoring dropped sentence.
719 2009-02-28 Jan Hubicka <jh@suse.cz>
721 * tree-inline.c (tree_function_versioning): Output debug info.
723 2009-02-28 Jan Hubicka <jh@suse.cz>
726 * tree-inline.c (setup_one_parameter): Do not copy propagate
727 arguments when not optimizing.
729 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
732 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
733 (avx_addsubv4df3): Likewise.
734 (*avx_addsubv4sf3): Likewise.
735 (sse3_addsubv4sf3): Likewise.
736 (*avx_addsubv2df3): Likewise.
737 (sse3_addsubv2df3): Likewise.
738 (avx_unpckhps256): Correct item selectors.
739 (avx_unpcklps256): Likewise.
740 (avx_unpckhpd256): Likewise.
741 (avx_unpcklpd256): Likewise.
743 2009-02-28 Jan Hubicka <jh@suse.cz>
745 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
747 (copy_arguments_for_versioning): If var is declared don't declare it.
748 (tree_function_versioning): First setup substitutions and then copy
751 2009-02-27 Jan Hubicka <jh@suse.cz>
754 * cgraph.h (varpool_output_debug_info): Remove.
755 * cgraphunit.c (varpool_output_debug_info): Remove.
756 * dwarf2out.c (deferred_locations_struct): New struct
757 (deferred_locations): New type.
758 (deferred_locations_list): New static var.
759 (deffer_location): New function.
760 (gen_variable_die): Use it.
761 (decls_for_scope): Output info on local static vars.
762 (dwarf2out_finish): Process deferred locations.
763 * varpool.c (varpool_output_debug_info): Remove.
765 2009-02-27 Jan Hubicka <jh@suse.cz>
768 * tree.h (TREE_PROTECTED): Fix comment.
769 (BLOCK_HANDLER_BLOCK): Remove.
770 (struct tree_block): Remove handler_block add body_block.
771 (inlined_function_outer_scope_p): New.
772 (is_body_block): Remove.
773 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
774 * dwarf2out.c (is_inlined_entry_point): Remove.
775 (add_high_low_attributes): Use inlined_function_outer_scope_p.
776 (gen_block_die): Use is_inlined_entry_point check. Remove body block
778 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
779 * gimplify.c (gimplify_expr): Gimplify body blocks.
780 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
781 block with multiple subblocks.
782 (dump_scope_block): Prettier output; dump more flags and info.
783 (dump_scope_blocks): New.
784 (remove_unused_locals): Use dump_scope_blocks.
785 * tree-flow.h (dump_scope_blocks): Declare.
786 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
787 * stmt.c (is_body_block): Remove.
788 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
789 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
791 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
794 * graphite.c (graphite_loop_normal_form): Do not call
795 number_of_iterations_exit from a gcc_assert.
797 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
799 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
800 jumps if COND is NULL.
801 (find_cond_jump): New function.
802 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
803 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
805 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
807 * config/alpha/alpha.h (alpha_expand_mov): Return false if
808 force_const_mem returns NULL_RTX.
810 2009-02-26 Jan Hubicka <jh@suse.cz>
813 * cgraph.h (varpool_output_debug_info): Remove.
814 * cgraphunit.c (varpool_output_debug_info): Remove.
815 * dwarf2out.c (deferred_locations_struct): New struct
816 (deferred_locations): New type.
817 (deferred_locations_list): New static var.
818 (deffer_location): New function.
819 (gen_variable_die): Use it.
820 (decls_for_scope): Output info on local static vars.
821 (dwarf2out_finish): Process deferred locations.
822 * varpool.c (varpool_output_debug_info): Remove.
824 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
826 PR rtl-optimization/39241
827 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
828 to subreg_offset_representable_p.
830 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
832 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
833 execute function prototype. Get f and nregs from max_reg_num
834 and get_insns. Remove the first backward pass as it's dead,
835 guard the forward pass by flag_expensive_optimizations.
836 (rest_of_handle_regmove): Delete.
837 (pass_regmove): Replace it with regmove_optimize.
839 2009-02-25 Martin Jambor <mjambor@suse.cz>
841 PR tree-optimization/39259
842 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
843 calls_alloca function flags.
844 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
847 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
849 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
850 flags_set_1_rtx, flags_set_1_set): Delete.
851 (regmove_optimize): Do not call mark_flags_life_zones.
853 2009-02-24 Julian Brown <julian@codesourcery.com>
856 * config/arm/arm.c (require_pic_register): Only set
857 cfun->machine->pic_reg once per function.
859 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
861 * doc/invoke.texi (Link Options): Document an easier way to pass
862 options that take arguments to the GNU linker using -Xlinker and -Wl.
864 2009-02-24 Steve Ellcey <sje@cup.hp.com>
867 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
869 2009-02-24 Richard Guenther <rguenther@suse.de>
872 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
874 2009-02-24 Richard Guenther <rguenther@suse.de>
875 Zdenek Dvorak <ook@ucw.cz>
877 PR tree-optimization/39233
878 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
879 from converting them to a generic type.
881 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
883 PR tree-optimization/39260
884 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
885 contains a condition with a real type.
886 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
888 2009-02-23 Jason Merrill <jason@redhat.com>
891 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
892 narrowing_initializer_constant_valid_p.
893 (narrowing_initializer_constant_valid_p): Don't return
894 null_pointer_node for adding a pointer to itself.
896 2009-02-23 Jan Hubicka <jh@suse.cz>
899 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
902 2009-02-23 Jan Hubicka <jh@suse.cz>
904 PR tree-optimization/37709
905 * tree.c (block_ultimate_origin): Move here from dwarf2out.
906 * tree.h (block_ultimate_origin): Declare.
907 * dwarf2out.c (block_ultimate_origin): Move to tree.c
908 * tree-ssa-live.c (remove_unused_scope_block_p):
909 Eliminate blocks containig no instructions nor live variables nor
911 (dump_scope_block): New function.
912 (remove_unused_locals): Enable removal of dead blocks by default;
913 enable dumping at TDF_DETAILS.
915 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
917 * config/i386/i386.c (classify_argument): Don't allow COImode
919 (function_arg_advance_32): Don't allow OImode.
920 (function_arg_32): Likewise.
921 (function_value_32): Likewise.
922 (return_in_memory_32): Likewise.
923 (function_arg_64): Remove OImode comment.
925 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
928 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
929 ix86_expand_vector_set for V4DImode in 64bit mode only.
930 (ix86_expand_vector_init_one_var): Likewise.
932 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
934 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
936 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
939 * loop-iv.c: Revert last change.
940 * emit-rtl.c: Likewise.
942 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
945 * config/i386/i386.c (type_natural_mode): Remove an extra
946 space in the warning message.
947 (function_value_32): Handle 32-byte vector modes.
948 (return_in_memory_32): Likewise.
950 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
952 * loop-iv.c (truncate_value): New function.
953 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
955 (lowpart_subreg): Move to...
956 * emit-rtl.c: ...here.
958 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
960 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
961 accidental and undocumented change at revision 140860.
963 2009-02-21 Joseph Myers <joseph@codesourcery.com>
965 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
966 take gimple_seq * arguments.
967 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
968 types_compatible_p langhook.
970 2009-02-20 Mark Mitchell <mark@codesourcery.com>
971 Joseph Myers <joseph@codesourcery.com>
973 * config/arm/arm.c (arm_builtin_va_list): New function.
974 (arm_expand_builtin_va_start): Likewise.
975 (arm_gimplify_va_arg_expr): Likewise.
976 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
977 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
978 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
979 (va_list_type): New variable.
980 (arm_mangle_type): Mangle va_list_type appropriately.
982 2009-02-20 Jakub Jelinek <jakub@redhat.com>
985 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
986 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
987 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
988 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
989 parameter to 1000 for -O1 by default.
990 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
992 * loop-invariant.c: Include params.h.
993 (move_loop_invariants): Don't call move_single_loop_invariants on
996 2009-02-20 Jaka Mocnik <jaka@xlab.si>
998 * calls.c (emit_library_call_value_1): Use slot_offset instead of
999 offset when calculating bounds for indexing stack_usage_map. Fixes
1000 a buffer overflow with certain target setups.
1002 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1005 * calls.c (expand_call): Clear try_tail_call if caller and callee
1006 disagree in promotion of function return value.
1008 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1011 * c-common.c (c_determine_visibility): If visibility changed and
1012 DECL_RTL has been already set, call make_decl_rtl to update symbol
1015 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1018 * varasm.c (assemble_variable): Don't check DECL_NAME when
1019 globalizing a variable.
1021 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1024 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1025 expression before any __builtin_trap call.
1026 * c-typeck.c (build_function_call): Convert and check function
1027 arguments before generating a call to a trap. Evaluate the
1028 function arguments before the trap.
1030 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1033 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1034 (UNSPEC_FXAM_MEM): New unspec.
1035 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1036 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1037 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1039 2009-02-19 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/39207
1042 PR tree-optimization/39074
1043 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1044 storedanything_tree): New.
1045 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1046 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1047 (build_succ_graph): Add edges from STOREDANYTHING to all
1049 (init_base_vars): Initialize STOREDANYTHING.
1050 (compute_points_to_sets): Free substitution info after
1051 building the succ graph.
1052 (ipa_pta_execute): Likewise.
1054 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1056 (do_ds_constraint): Do not add to special var or non-pointer
1058 (type_could_have_pointers): Split out from ...
1059 (could_have_pointers): ... here. For arrays use the element type.
1060 (create_variable_info_for): Initialize may_have_pointers.
1061 (new_var_info): Likewise.
1062 (handle_lhs_call): Make the HEAP variable unknown-sized.
1063 (intra_create_variable_infos): Use a type with pointers for
1064 PARM_NOALIAS, make it unknown-sized.
1066 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1069 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1071 2009-02-18 Jason Merrill <jason@redhat.com>
1074 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1075 value if DECL_EXTERNAL.
1076 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1077 * target.h (gcc_target::binds_local_p): Clarify "module".
1078 * tree.h (TREE_PUBLIC): Clarify "module".
1080 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1083 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1084 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1086 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1089 * c.opt (Wabi): Support C and ObjC.
1092 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1094 * config/i386/i386.c (classify_argument): Warn once about the ABI
1095 change when passing union with long double.
1097 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1099 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1102 * c-parser.c (c_parser_compound_statement): Always enter and leave
1105 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1108 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1110 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1112 PR tree-optimization/36922
1113 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1114 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1117 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1119 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1122 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1124 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1126 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1128 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1131 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1132 Richard Sandiford <rdsandiford@googlemail.com>
1134 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1135 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1136 (loongson_biadd): ...this.
1138 2009-02-17 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/39202
1141 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1142 a var make sure to follow existing collapses.
1144 2009-02-17 Richard Guenther <rguenther@suse.de>
1147 * langhooks.c (lhd_print_error_function): Check for NULL block.
1149 2009-02-17 Richard Guenther <rguenther@suse.de>
1151 PR tree-optimization/39204
1152 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1155 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1157 * config/soft-fp/double.h: Update from glibc CVS.
1159 2009-02-17 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/39207
1162 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1163 strict-aliasing warnings for pointers pointing to NULL.
1165 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1168 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1169 skipping until next close brace.
1171 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1174 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1175 to function argument boundary.
1177 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1179 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1180 in the lea_add. Reload eventually constraints it properly.
1181 * config/picochip/constraints.md : Remove the target constraint
1182 "b", since it is not needed anymore.
1184 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1186 * gthr-dce.h: Uglify function parameter and local variable names.
1187 * gthr-gnat.h: Likewise.
1188 * gthr-mipssde.h: Likewise.
1189 * gthr-nks.h: Likewise.
1190 * gthr-posix95.h: Likewise.
1191 * gthr-posix.h: Likewise.
1192 * gthr-rtems.h: Likewise.
1193 * gthr-single.h: Likewise.
1194 * gthr-solaris.h: Likewise.
1195 * gthr-tpf.h: Likewise.
1196 * gthr-vxworks.h: Likewise.
1197 * gthr-win32.h: Likewise.
1199 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1202 * config/i386/i386.md: Restrict the new peephole2 to move
1203 between MMX/SSE registers.
1205 2009-02-15 Richard Guenther <rguenther@suse.de>
1208 2009-02-13 Richard Guenther <rguenther@suse.de>
1210 * configure.ac: Enable LFS.
1211 * configure: Re-generate.
1212 * config.in: Likewise.
1214 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1216 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1217 spu_srqwbyte, spu_srqwbytebc): Define.
1218 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1219 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1220 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1221 "shrqby_<mode>"): New insn-and-split patterns.
1222 * config/spu/spu.c (expand_builtin_args): Determine and return
1223 number of operands using spu_builtin_description data.
1224 (spu_expand_builtin_1): Use it.
1226 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1229 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1232 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1235 * config/i386/i386.c (override_options): Correct warning
1236 messages for -malign-loops, -malign-jumps and -malign-functions.
1238 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1241 * config/i386/i386.md: Restrict the new peephole2 to move
1242 between the general purpose registers.
1244 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1247 * config/i386/i386.c (type_natural_mode): Add a new argument.
1248 Return the original mode and warn ABI change if vector size is 32byte.
1249 (function_arg_advance): Updated.
1250 (function_arg): Likewise.
1251 (ix86_function_value): Likewise.
1252 (ix86_return_in_memory): Likewise.
1253 (ix86_sol10_return_in_memory): Likewise.
1254 (ix86_gimplify_va_arg): Likewise.
1255 (function_arg_32): Don't warn ABX ABI change here.
1256 (function_arg_64): Likewise.
1258 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1260 * loop-iv.c (implies_p): In the final case, test that operands 0
1261 of the two comparisons match.
1263 * config/bfin/bfin.c (find_prev_insn_start): New function.
1264 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1265 (find_next_insn_start): Move.
1267 2009-02-13 Richard Guenther <rguenther@suse.de>
1269 * configure.ac: Enable LFS.
1270 * configure: Re-generate.
1271 * config.in: Likewise.
1273 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1276 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1277 sizes on syntax error after some arguments have been parsed.
1279 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1281 * doc/invoke.texi (-fira): Remove.
1283 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1285 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1286 * recog.c: Likewise.
1289 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1291 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1292 (umul_ppmm): Likewise.
1293 (count_leading_zeros): Likewise.
1294 (count_trailing_zeros): Likewise.
1295 (UMUL_TIME): Likewise.
1297 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1299 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1300 soft-fp/t-softfp to tmake_file.
1302 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1303 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1304 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1305 IA64_BUILTIN_INFQ]: New.
1306 (ia64_init_builtins): Initialize __builtin_infq,
1307 __builtin_fabsq and __builtin_copysignq if not HPUX.
1308 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1309 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1311 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1313 (__fixtfti): Likewise.
1314 (__fixunstfti): Likewise.
1315 (__floattitf): Likewise.
1317 * config/ia64/libgcc-glibc.ver: New.
1318 * config/ia64/t-fprules-softfp: Likewise.
1319 * config/ia64/sfp-machine.h: Likewise.
1321 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1322 (LIBGCC2_TF_CEXT): Likewise.
1323 (TF_SIZE): Likewise.
1324 (TARGET_INIT_LIBFUNCS): Likewise.
1326 * config/ia64/t-glibc (SHLINB_MAPFILES):
1327 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1329 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1331 * config/i386/i386.c (construct_container): Rewrite processing
1332 BLKmode with X86_64_SSE_CLASS.
1334 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1337 * config/i386/i386.md: Replace simplify_replace_rtx with
1338 replace_rtx in the new peephole2.
1340 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1342 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1343 loop unrolling do not happen at -O2.
1345 2009-02-12 Michael Matz <matz@suse.de>
1347 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1349 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1351 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1354 2009-02-12 Ben Elliston <bje@au.ibm.com>
1356 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1357 patterns when updating the back chain. Missed in the 2009-02-10
1360 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1362 * doc/extend.texi (Decimal Floating Types): Update identifier of
1363 draft TR and list of missing support.
1365 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1368 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1369 bit to variable length decl's flags, add it also to its
1370 pointer replacement variable.
1372 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1373 Jakub Jelinek <jakub@redhat.com>
1376 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1377 (memory_blockage): New expander.
1378 (*memory_blockage): New insn pattern.
1379 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1380 instead of general blockage at the end of function prologue when
1381 frame pointer is used to access red zone area. Do not emit blockage
1382 when profiling, it is emitted in generic code.
1383 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1384 function epilogue when frame pointer is used to access red zone area.
1386 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1389 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1390 by arithmetic with memory operands.
1391 * config/i386/predicates.md (commutative_operator): New.
1393 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1395 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1398 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1400 * alias.h (record_alias_subset): Declare.
1401 * alias.c (record_alias_subset): Make global.
1403 2009-02-10 Nick Clifton <nickc@redhat.com>
1405 * tree-parloops.c: Change license to GPLv3.
1406 * ipa-struct-reorg.c: Change license to GPLv3.
1407 * ipa-struct-reorg.h: Change license to GPLv3.
1409 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1412 * c-decl.c (start_struct): Return NULL on error.
1414 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1417 * cfgloopmanip.c (remove_path): Call remove_bbs after
1418 cancel_loop_tree, not before it.
1421 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1422 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1423 VAR_DECLs were seen.
1424 * tree-ssa-live.c (remove_unused_locals): Recompute
1425 cfun->has_local_explicit_reg_vars.
1426 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1427 copies or clearings if cfun->has_local_explicit_reg_vars.
1429 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1432 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1433 of function prologue when frame pointer is used to access
1436 2009-02-10 Richard Guenther <rguenther@suse.de>
1439 * gimplify.c (gimple_regimplify_operands): Always look if
1440 we need to create a temporary.
1442 2009-02-10 Richard Guenther <rguenther@suse.de>
1444 PR tree-optimization/39132
1445 * tree-loop-distribution.c (todo): New global var.
1446 (generate_memset_zero): Trigger TODO_rebuild_alias.
1447 (tree_loop_distribution): Return todo.
1449 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1452 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1453 (x86_64_reg_class_name): Removed.
1454 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1455 first one isn't X86_64_SSE_CLASS or any other ones aren't
1456 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1457 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1458 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1459 and 3 X86_64_SSEUP_CLASS.
1460 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1461 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1463 2009-02-10 Ben Elliston <bje@au.ibm.com>
1465 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1466 form instruction to update the stack back chain word, even if the
1467 user has disabled the generation of update instructions.
1468 (movdi_<mode>_update_stack): New.
1469 (movsi_update_stack): Likewise.
1470 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1471 always use an update form instruction to update the stack back
1474 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1477 * graphite.c (if_region_set_false_region): After moving a region in
1478 the false branch of a condition, remove the empty dummy basic block.
1479 (gloog): Remove wrong fix for PR38953.
1481 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1483 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1484 generation due to implicit sign extension.
1486 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1489 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1490 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1492 2009-02-09 Richard Guenther <rguenther@suse.de>
1495 * convert.c (convert_to_real): Disable (float)fn((double)x)
1496 to fnf(x) conversion if errno differences may occur and
1497 -fmath-errno is set.
1499 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1501 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1502 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1503 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1505 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1508 * c-common.c (handle_alias_attribute): Disallow attribute for
1509 anything not a FUNCTION_DECL or VAR_DECL.
1511 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1514 * real.c (do_compare): Special-case compare of zero against
1515 decimal float value.
1517 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1520 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1521 as indicating flexible array members unless the field itself is
1522 being declarared as the incomplete array.
1524 2009-02-06 Jan Hubicka <jh@suse.cz>
1526 PR tree-optimization/38844
1527 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1530 2009-02-06 Richard Guenther <rguenther@suse.de>
1533 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1534 fork because we may expand it as __gcov_fork.
1536 2009-02-06 Nick Clifton <nickc@redhat.com>
1538 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1540 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1542 PR tree-optimization/35659
1543 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1544 vn_phi_eq): Shortcut if hashcode does not match.
1545 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1547 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1548 and avoid iterative_hash_expr.
1549 (FOR_EACH_VALUE_ID_IN_SET): New.
1550 (value_id_compare): Remove.
1551 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1552 sort expressions by value id.
1554 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1557 * config/sh/predicates.md (general_movsrc_operand): Don't check
1558 the subreg of system registers here.
1560 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1563 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1566 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1568 PR rtl-optimization/39110
1569 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1570 addresses, not aligned ones.
1572 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1573 Richard Guenther <rguenther@suse.de>
1575 PR tree-optimization/39100
1576 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1577 comment says and add edges.
1579 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1582 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1583 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1585 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1587 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1588 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1589 register_bb_in_sese, new_sese, free_sese): Moved.
1590 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1591 outermost_loop_in_scop, build_scop_iteration_domain,
1592 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1593 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1594 Use loop_in_sese_p instead of loop_in_scop_p.
1595 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1596 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1597 (scopdet_basic_block_info): Fix bug in scop detection.
1598 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1599 eq_loop_to_cloog_loop): Remove.
1600 (nb_loops_around_loop_in_scop, nb_loop
1601 ref_nb_loops): Moved here...
1602 * graphite.h (ref_nb_loops): ... from here.
1603 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1604 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1605 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1606 * testsuite/gcc.dg/graphite/scop-19.c: New
1608 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1609 Hans-Peter Nilsson <hp@axis.com>
1611 PR rtl-optimization/37889
1612 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1613 Move offset handling from PLUS to before the switch. Use new
1614 arguments when considering SYMBOL_REFs too.
1615 (rtx_addr_can_trap_p): Pass dummy offset and size.
1616 (enum may_trap_p_flags): Remove.
1617 (may_trap_p_1): Pass size from MEM_SIZE.
1619 PR rtl-optimization/38921
1620 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1621 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1622 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1623 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1625 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1627 AVX Programming Reference (January, 2009)
1628 * config/i386/sse.md (*vpclmulqdq): New.
1630 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1632 PR tree-optimization/38977
1633 PR gcov-profile/38292
1634 * calls.c (special_function_p): Disregard __builtin_ prefix.
1636 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1638 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1639 non-indexable addresses even before reload.
1641 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1644 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1645 as having variable size. Do not give an error for unnamed
1646 parameters with [*] declarators. Give a warning for type names
1647 with [*] declarators and mark them as variable size.
1648 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1649 for sizeof applied to [*] type names.
1651 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1654 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1656 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1658 * gcc.c (process_command): Update copyright notice dates.
1659 * gcov.c (print_version): Likewise.
1660 * gcov-dump.c (print_version): Likewise.
1661 * mips-tfile.c (main): Likewise.
1662 * mips-tdump.c (main): Likewise.
1664 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1667 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1668 for composite type involving a zero-length array type.
1670 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1673 * function.c (match_asm_constraints_1): Skip over
1674 initial optional % in the constraint.
1677 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1678 supported, don't accept FIXED_CSTs.
1679 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1680 and _Sat is used without _Fract/_Accum. Set specs->type to
1681 integer_type_node for cts_fract/cts_accum if fixed point is not
1684 2009-02-02 Catherine Moore <clm@codesourcery.com>
1686 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1688 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1690 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1691 (ABI_HAS_64BIT_SYMBOLS): Use it.
1692 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1694 2009-02-02 Paul Brook <paul@codesourcery.com>
1696 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1698 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1701 * recog.h (asm_operand_ok): Add constraints argument.
1702 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1703 recurse on matching constraint.
1704 (check_asm_operands): Pass constraints as 3rd argument to
1705 asm_operand_ok. Don't look up matching constraint here.
1706 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1709 2009-02-02 Ben Elliston <bje@au.ibm.com>
1711 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1712 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1714 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1716 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1717 information. Remove some obsolete information. Reorganize.
1719 * config/pa/fptr.c: Revert license to GPL 2.
1720 * config/pa/milli64.S: Likewise.
1722 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1725 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1726 LIBRARY name in, instead of hard-coding it.
1727 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1728 extra target make frag to tmake_files according to EH model.
1729 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1730 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1731 frags that define makefile variable EH_MODEL appropriately.
1732 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1733 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1734 to "-sjlj" according to type of EH configured.
1735 (LIBGCC_SONAME): Concatenate it to shared library base name.
1736 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1737 to "_sjlj" according to type of EH configured.
1738 (LIBGCC_SONAME): Concatenate it to shared library base name.
1739 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1740 (SHLIB_LINK): Add missing semicolon to if-else construct.
1741 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1742 string value of "pe_dll" command-line option.
1743 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1744 (SHLIB_SONAME): Use it when overriding t-cygming default.
1745 (SHLIB_IMPLIB): Override t-cygming default.
1746 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1747 string value of "pe_dll" command-line option.
1749 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1752 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1753 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1755 2009-01-31 Richard Guenther <rguenther@suse.de>
1757 PR tree-optimization/38937
1758 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1759 computing the transitive closure.
1761 2009-01-30 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/39041
1764 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1765 Propagate variable indices only if the types match for this stmt.
1767 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1770 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1771 inline but never defined.
1773 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1775 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1776 (*insv_h_di_reg_extimm): New insn.
1777 (*insv_l<mode>_reg_extimm): New insn.
1779 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1781 * config/picochip/picochip.c (flag_conserve_stack): set
1782 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1783 fconserve-stack. Reduce call-overhead used by inliner.
1785 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1788 * common.opt (flag_conserve_stack): Initialised to zero.
1790 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1793 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1794 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1797 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1799 * ira-color.c (allocno_reload_assign): Update comments.
1800 * regmove.c (regmove_optimize): Likewise.
1804 2009-01-29 Robert Millan <rmh@aybabtu.com>
1806 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1807 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1808 `MD_UNWIND_SUPPORT'.
1809 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1811 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1813 PR tree-optimization/39007
1814 * tree-loop-distribution.c (generate_builtin): Use
1815 recompute_dominator to compute the immediate dominator of the
1816 basic block just after the loop.
1818 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1820 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1821 (ASM_OUTPUT_DWARF_PCREL): Define.
1823 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1825 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1826 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1827 global. Modify entries about regmove and IRA.
1829 * ra-conflict.c: Remove the file.
1831 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1833 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1834 (pass_regclass_init): Rename to pass_reginfo_init.
1836 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1838 * toplev.h (flag_ira): Remove.
1840 * caller-save.c (setup_save_areas): Remove flag_ira.
1842 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1844 * global.c: Remove the file.
1846 * opts.c: (decode_options): Remove flag_ira.
1848 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1850 * regmove.c: Modify file description.
1851 (find_use_as_address, try_auto_increment): Define them only if
1852 AUTO_INC_DEC is defined.
1853 (replacement_quality, replace_in_call_usage, fixup_match_1,
1854 stable_and_no_regs_but_for_p): Remove.
1855 (reg_set_in_bb): Make it static.
1856 (regmove_optimize): Remove flag_ira and code which worked for
1859 * local-alloc.c: Remove the file.
1861 * common.opt (fira): Remove.
1863 * ira.c: Include except.h.
1864 (eliminable_regset): Move from global.c.
1865 (mark_elimination): Ditto. Remove flag_ira.
1866 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1867 equiv_mem_modified, validate_equiv_mem_from_store,
1868 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1869 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1870 no_equiv, recorded_label_ref): Move from local-alloc.c.
1871 (update_equiv_regs): Ditto. Make it static.
1872 (print_insn_chain, print_insn_chains): Move it from global.c.
1873 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1874 (build_insn_chain): Ditto. Make it static.
1875 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1876 Rename to init_live_subregs.
1877 (gate_ira): Remove flag_ira.
1879 * regclass.c: Rename reginfo.c. Change file description.
1880 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1881 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1882 (init_reg_sets_1): Remove code for evaluation of
1883 reg_class_superclasses and losing_caller_save_reg_set.
1884 (init_regs): Remove init_reg_autoinc.
1885 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1886 ok_for_base_p_nonstrict): Remove.
1887 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1888 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1889 corresponding entries.
1890 (dump_regclass, record_operand_costs, scan_one_insn,
1891 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1892 record_address_regs, auto_inc_dec_reg_p): Remove.
1893 (gt-regclass.h): Rename to gt-reginfo.h.
1895 * rtl.h (dump_global_regs, retry_global_alloc,
1896 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1898 * Makefile.in (RA_H): Remove.
1899 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1900 Rename regclass.o to reginfo.o.
1901 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1903 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1904 (GTFILES): Rename regclass.c to reginfo.c.
1906 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1907 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1909 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1910 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1912 (finish_spills): Ditto. Remove code for !flag_ira.
1914 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1917 * doc/invoke.texi (rtl debug options): Complete rewrite.
1918 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1920 * mode-switching.c (pass_mode_switching): Rename pass from
1921 "mode-sw" to "mode_sw".
1922 * except.c (pass_convert_to_eh_ranges): Rename pass from
1923 "eh-ranges" to "eh_ranges".
1924 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1928 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1929 Alexander Monakov <amonakov@ispras.ru>
1932 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1934 (move_exprs_to_boundary): Change return type and pass through
1935 should_move from move_op. Relax assert. Update usage ...
1936 (schedule_expr_on_boundary): ... here. Use should_move instead of
1938 (move_op_orig_expr_found): Indicate that insn was disconnected from
1940 (code_motion_process_successors): Do not call after_merge_succs
1941 callback if original expression was not found when traversing any of
1943 (code_motion_path_driver): Change return type. Update prototype.
1944 (move_op): Update comment. Add a new parameter (should_move). Update
1945 prototype. Set *should_move based on indication provided by
1946 move_op_orig_expr_found.
1948 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1950 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1951 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1952 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1953 * config/rs6000/rs6000.c (rs6000_override_options): Default
1954 avoid-indexed-addresses on for Power6, off for everything else.
1955 (avoiding_indexed_address_p): New function.
1956 (rs6000_legitimize_address): Use it.
1957 (rs6000_legitimate_address): Likewise.
1958 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1960 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1962 PR tree-optimization/38997
1963 * tree-loop-distribution.c (generate_memset_zero): Use
1964 POINTER_PLUS_EXPR for a pointer addition.
1966 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1968 * config/s390/s390.md (bswap<mode>2): New pattern added.
1970 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1972 * config/s390/s390.md (*tls_load_31): Added type attribute.
1974 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1976 * config/s390/s390.md: Fix a few comments.
1978 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1980 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1981 (*tm<mode>_full): Fixed z10prop attribute.
1982 (*tst<mode>_extimm): Fixed z10prop attribute.
1983 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1984 (*tstqiCCT_cconly): Fixed z10prop attribute.
1985 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1986 (*movsi_larl): Fixed z10prop attribute.
1987 (*movsi_zarch): Fixed z10prop attribute.
1988 (*movsi_eas): Fixed z10prop attribute.
1989 (*movhi): Fixed z10prop attribute.
1990 (*movqi): Fixed z10prop attribute.
1991 (*movstrictqi): Fixed z10prop attribute.
1992 (*mov<mode>): Fixed z10prop attribute.
1993 (*movcc): Fixed z10prop attribute.
1994 (*sethighpartdi_64): Fixed z10prop attribute.
1995 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1996 (*negdi2_sign_cc): Fixed z10prop attribute.
1997 (*negdi2_sign): Fixed z10prop attribute.
1998 (*absdi2_sign_cc): Fixed z10prop attribute.
1999 (*absdi2_sign): Fixed z10prop attribute.
2000 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2001 (*negabsdi2_sign): Fixed z10prop attribute.
2002 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2003 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2004 (doloop_si64): Fixed z10prop attribute.
2005 (doloop_si31): Fixed z10prop attribute.
2006 (doloop_long): Fixed z10prop attribute.
2007 (indirect_jump): Fixed z10prop attribute.
2008 (nop): Fixed z10prop attribute.
2009 (main_base_64): Fixed z10prop attribute.
2010 (reload_base_64): Fixed z10prop attribute.
2012 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2014 PR rtl-optimization/38740
2015 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2017 * config/mips/mips.c (mips_reorg): Likewise.
2019 2009-01-28 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/38926
2022 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2023 with the correct value id to a value.
2024 (do_regular_insertion): Use the value number of edoubleprime
2025 for the value number of the expr.
2028 2008-08-21 Richard Guenther <rguenther@suse.de>
2030 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2031 a PHI ask VN if it is already available.
2032 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2033 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2035 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2038 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2039 set to varying whenever max has TREE_OVERFLOW set, similarly
2040 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2042 2009-01-28 Richard Guenther <rguenther@suse.de>
2045 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2046 uninitialized aggregate uses in call arguments.
2048 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2050 PR tree-optimization/38984
2051 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2052 the nothing_id variable if -fno-delete-null-pointer-checks.
2054 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2057 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2058 (set_got_offset_rex64): Ditto.
2060 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2063 * doc/extend.texi: Improve local variable with asm reg.
2065 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2067 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2068 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2069 was not supplied then set warn_packed_bitfield_compat to the
2071 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2074 2009-01-27 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/38503
2077 * cfgexpand.c (expand_gimple_basic_block): Ignore
2078 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2079 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2080 variables that cannot have TBAA applied.
2081 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2084 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2087 * calls.c (initialize_argument_information): Do not wrap complex
2088 arguments in SAVE_EXPR.
2090 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2092 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2093 (INSTALL_LIBGCC): Revert typo commit.
2095 2009-01-26 Richard Guenther <rguenther@suse.de>
2097 PR tree-optimization/38745
2098 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2099 from special handling.
2101 2009-01-26 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/38745
2104 * tree-ssa.c (execute_update_addresses_taken): Do not include
2105 variables that cannot possibly be a register in not_reg_needs.
2106 Do not clear TREE_ADDRESSABLE on vars that may not become
2108 * tree-ssa.c (update_alias_info_1): Include those in the set
2109 of addressable vars.
2111 2009-01-26 Richard Guenther <rguenther@suse.de>
2114 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2115 * tree-ssa-dse.c: Include langhooks.h
2116 (execute_simple_dse): Remove stores with zero size.
2118 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2121 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2124 2009-01-24 Julian Brown <julian@codesourcery.com>
2126 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2127 config/arm/linux-atomic.c.
2128 * config/arm/linux-atomic.c: New.
2130 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2132 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2133 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2134 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2136 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2139 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2142 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2144 PR tree-optimization/38953
2145 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2146 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2147 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2148 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2151 2009-01-24 Paul Brook <paul@codesourcery.com>
2153 * config/arm/neon.md (neon_type): Move to arm.md.
2154 (neon_mov<VSTRUCT>): Add neon_type attribute.
2155 * config/arm/arm.md (neon_type): Move to here.
2156 (conds): Add "unconditioal" and use as default for NEON insns.
2158 2009-01-24 Ben Elliston <bje@au.ibm.com>
2160 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2161 void *' warning from -Wc++-compat.
2162 * Makefile.in (dominance.o-warn): Remove.
2164 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2166 PR tree-optimization/38932
2167 * fold-const.c (fold_unary_ignore_overflow): New.
2168 * tree.h (fold_unary_ignore_overflow): Declare.
2169 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2170 * tree-ssa-sccvn.c (visit_reference_op_load,
2171 simplify_unary_expression): Likewise.
2173 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2175 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2176 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2177 regardless of their type.
2178 * c-common.c (handle_packed_attribute): Don't ignore packed on
2180 * c.opt (Wpacked-bitfield-compat): New warning option.
2181 * stor-layout.c (place_field): Warn if offset of a field changed.
2182 * doc/extend.texi (packed): Mention the ABI change.
2183 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2184 (Warning Options): Add it to the list.
2186 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2188 * c-opts.c (c_common_post_options): Fix a typo in comments.
2190 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2193 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2194 variables to static.
2195 * doc/invoke.texi (-fmerge-all-constants): Update description.
2197 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2200 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2201 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2203 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2205 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2207 (LOCAL_ALIGNMENT): Similarly.
2209 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2210 Joseph Myers <joseph@codesourcery.com>
2212 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2213 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2214 * config/arm/arm-tune.md: Regenerate.
2215 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2218 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2220 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2221 version number to five.
2223 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2226 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2227 * c-common.c (set_underlying_type): Likewise.
2228 (is_typedef_decl ): Likewise
2230 (set_underlying_type): Likewise.
2231 (is_typedef_type): Likewise.
2233 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2236 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2239 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2242 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2243 (LIBGCC_SPEC): Don't define.
2244 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2246 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2248 PR rtl-optimization/38879
2249 * alias.c (base_alias_check): Unaligned access via AND address can
2250 alias all surrounding object types except those with sizes equal
2251 or wider than the size of unaligned access.
2253 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2256 * c-decl.c: (clone_underlying_type): Move this ...
2257 * c-common.c (set_underlying_type): ... here.
2258 Also, make sure the function properly sets TYPE_STUB_DECL() on
2259 the newly created typedef variant type.
2260 (is_typedef_decl ): New entry point.
2261 * tree.h: Added a new member member_types_needing_access_check to
2262 struct tree_decl_non_common.
2263 (set_underlying_type): New entry point.
2264 (is_typedef_type): Likewise.
2266 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2268 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2269 Check whether two instructions have memory references that
2270 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2271 are helper functions for traversing.
2272 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2273 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2274 not to draw dependency edge for instructions with non-conflicting
2277 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2280 * longlong.h: Update copyright years. Use soft-fp license notice.
2281 Sync __clz_tab declaration with glibc.
2283 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2286 * doc/extend.texi (syscall_linkage): New.
2287 (version_id): Modify.
2289 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2290 Richard Guenther <rguenther@suse.de>
2292 PR tree-optimization/38747
2293 PR tree-optimization/38748
2294 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2295 conversion if the base address is an indirect reference and the
2296 aliasing sets could cause issues.
2298 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2300 * common.opt (fgraphite, fgraphite-identity): Add comment for
2301 explaining why these options are not documented.
2303 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2305 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2306 gimple_call_lhs is NULL.
2308 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2311 * emit-rtl.c (adjust_address_1): Make sure memref is never
2314 2009-01-20 Ben Elliston <bje@au.ibm.com>
2316 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2317 const qualifier from arg parameter. Remove unnecessary cast to char *.
2318 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2319 const qualifier from arg 2.
2321 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2323 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2325 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2328 * rtl.h (reinit_regs): New prototype.
2329 * regclass.c: Include ira.h.
2331 * Makefile.in (regclass.o): Add ira.h.
2332 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2334 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2337 * c-common.c (handle_aligned_attribute): Use
2338 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2339 default alignment value.
2341 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2343 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2344 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2346 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2347 __BIGGEST_ALIGNMENT__.
2349 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2351 2009-01-18 Richard Guenther <rguenther@suse.de>
2353 PR tree-optimization/38819
2354 * tree-flow.h (operation_could_trap_helper_p): Declare.
2355 * tree-eh.c (operation_could_trap_helper_p): Export.
2356 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2357 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2358 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2359 are about to insert a possibly trapping instruction and fail
2362 2009-01-18 Andreas Schwab <schwab@suse.de>
2364 * doc/install.texi (Configuration): Remove obsolete paragraph
2365 about use of --with-gnu-ld with --with-gnu-as.
2367 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2369 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2370 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2371 Follow spelling conventions.
2373 2009-01-18 Ben Elliston <bje@au.ibm.com>
2375 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2376 C++ warning about implicit conversion from void * to struct
2378 (bitmap_obstack_free): Likewise for bitmap_element *.
2379 * Makefile.in (bitmap.o-warn): Remove.
2381 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2383 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2385 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2386 Tobias Grosser <tobi.grosser@amd.com>
2388 * graphite.c (graphite_trans_scop_block): Do not block single
2391 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2393 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2394 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2395 test with assertion.
2397 2009-01-16 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/38835
2401 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2402 and INT + PTR -> (INT)(PTR p+ INT) folding.
2403 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2405 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2408 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2409 the subreg from a lowpart subreg if it is also casting the value.
2411 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2412 Tobias Grosser <tobi.grosser@amd.com>
2414 * graphite.c (compare_prefix_loops): New.
2415 (build_scop_canonical_schedules): Rewritten.
2416 (graphite_transform_loops): Move build_scop_canonical_schedules
2417 after build_scop_iteration_domain.
2419 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2420 Tobias Grosser <tobi.grosser@amd.com>
2422 * graphite.c (add_conditions_to_domain): Add the loops to
2423 the dimension of the iteration domain. Do copy the domain
2424 only when it exists.
2425 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2426 (add_conditions_to_constraints): New.
2427 (can_generate_code_stmt, can_generate_code): Removed.
2428 (gloog): Do not call can_generate_code.
2429 (graphite_transform_loops): Call add_conditions_to_constraints
2430 after building the iteration domain.
2432 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2434 PR tree-optimization/38789
2435 * tree-ssa-threadedge.c
2436 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2437 __builtin_constant_p.
2439 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2441 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2442 examined before deleting them.
2444 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2446 * function.c (aggregate_value_p): Correctly extract the function
2447 type from CALL_EXPR_FN lookup.
2449 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2451 * config/picochip/picochip.c (picochip_override_options): Revert
2452 CFI asm flag disable commited previously.
2454 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2455 Tobias Grosser <tobi.grosser@amd.com>
2456 Jan Sjodin <jan.sjodin@amd.com>
2458 * graphite.c (scan_tree_for_params): On substractions negate
2459 all the coefficients of the term.
2460 (clast_to_gcc_expression_red): New. Handle reduction expressions
2461 of more than two operands.
2462 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2463 (get_vdef_before_scop): Handle also the case of default definitions.
2465 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2467 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2468 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2469 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2471 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2472 Joey Ye <joey.ye@intel.com>
2475 * cfgexpand.c (expand_stack_alignment): Don't update stack
2476 boundary nor check incoming stack boundary here.
2477 (gimple_expand_cfg): Update stack boundary and check incoming
2478 stack boundary here.
2480 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2482 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2484 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2486 PR rtl-optimization/38245
2487 * calls.c (expand_call): Add stack arguments to
2488 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2489 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2490 in regs and partially in memory or BLKmode arguments.
2491 (emit_library_call_value_1): Add stack arguments to
2492 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2493 ACCUMULATE_OUTGOING_ARGS).
2494 * dce.c: Include tm_p.h.
2495 (find_call_stack_args): New function.
2496 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2498 (mark_insn): Call find_call_stack_args for CALL_Ps.
2499 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2500 forwards. Allocate and free arg_stores bitmap if needed, pass it
2501 down to deletable_insn_p, don't mark stores set in arg_stores
2502 bitmap, clear the bitmap at the beginning of each bb.
2503 * Makefile.in (dce.o): Depend on $(TM_P_H).
2505 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2508 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2509 to make sure the insn is a conditional test (bug 22599). Reformat a
2512 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2515 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2516 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2517 (gloog): Do not call cleanup_tree_cfg.
2518 (graphite_transform_loops): Call cleanup_tree_cfg after all
2519 scops have been code generated.
2521 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2522 * doc/gty.texi (Invoking the garbage collector): Added new node
2523 and section documenting ggc_collect.
2525 2009-01-14 Richard Guenther <rguenther@suse.de>
2527 PR tree-optimization/38826
2529 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2530 initialization notes only if we actually emitted a warning.
2531 (intra_create_variable_infos): Add constraints for a result decl
2532 that is passed by hidden reference.
2533 (build_pred_graph): Mark all related variables non-direct on
2536 2009-01-14 Nick Clifton <nickc@redhat.com>
2538 * ira-conflicts.c: Include addresses.h for the definition of
2540 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2541 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2543 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2546 * Makefile.in (ira-lives.o): Add except.h.
2548 * ira-lives.c: Include except.h.
2549 (process_bb_node_lives): Process can_throw_internal.
2551 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2553 PR rtl-optimization/38774
2554 * combine.c (simplify_set): When undoing cc_use change, don't do
2555 PUT_CODE on the newly created comparison, but instead put back the
2558 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2560 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2561 values. Remove duplicate arm8 entry.
2563 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2565 PR tree-optimization/38786
2566 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2567 the SSA_NAME case of expand_scalar_variables_expr.
2568 Set the type of an expression to the type of its assign statement.
2569 (expand_scalar_variables_expr): Also gather the scalar computation
2570 used to index the memory access. Do not pass loop_p.
2571 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2572 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2573 the gimple_stmt_iterator where it inserts new code.
2575 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2576 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2578 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2580 * graphite.h (debug_value): Removed.
2581 * graphite.c (debug_value): Removed.
2583 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2585 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2586 ldrd/strd with two 32-bit instructions.
2588 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2590 * config/arm/arm.c (struct processors): Pass for speed down into
2591 cost helper functions.
2592 (const_ok_for_op): Handle COMPARE and inequality nodes.
2593 (arm_rtx_costs_1): Rewrite.
2594 (arm_size_rtx_costs): Update prototype.
2595 (arm_rtx_costs): Pass speed down to helper functions.
2596 (arm_slowmul_rtx_costs): Rework cost calculations.
2597 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2598 (arm_9e_rtx_costs): Likewise.
2600 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2602 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2603 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2604 (alpha_legitimize_address): Do not split local symbols wider than
2605 UNITS_PER_WORD into HIGH/LO_SUM parts.
2607 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2610 * gcc.c (process_command): Replace call to execvp with calls
2611 to pex_one and exit.
2613 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2616 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2617 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2618 variant for devices with 3-byte PC.
2619 (__tablejump_elpm__) : New.
2621 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2624 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2625 offsetof member-designator, handle it as `[0].'.
2627 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2629 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2630 function when not using named sections on targets with named sections
2631 if branch distance is less than 262132.
2633 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2635 * combine.c (combine_instructions): Recompute
2636 optimize_this_for_speed_p for each BB in the main combine loop.
2638 2009-01-12 Tomas Bily <tbily@suse.cz>
2641 * tree-loop-distribution.c (prop_phis): New function.
2642 (generate_builtin): Call prop_phis.
2643 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2645 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2647 PR tree-optimization/38807
2648 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2649 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2651 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2653 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2654 subreg of op0 to the original op0.
2656 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2658 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2660 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2663 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2664 starting with digits.
2666 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2669 * config/arm/arm.c (arm_is_long_call_p): Don't call
2670 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2672 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2674 * regrename.c (regrename_optimize): Fix dumping.
2675 (find_oldest_value_reg): Preserve REG_POINTER.
2676 (copy_hardreg_forward_1): Likewise.
2678 2009-01-09 Diego Novillo <dnovillo@google.com>
2680 * gimple.h (struct gimple_statement_base) <uid>: Document
2681 the restrictions on its use.
2683 (gimple_set_uid): Tidy.
2685 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2687 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2688 zero guard even if align_bytes != 0 and count is smaller than
2691 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2693 PR rtl-optimization/38495
2694 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2695 (add_range_and_copies_from_move_list): Print all added ranges.
2696 Add ranges to memory optimized destination.
2698 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2702 * config/i386/i386.c (override_options): Reject
2703 -mstringop-strategy=rep_8byte with -m32.
2704 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2705 to 1. Do count comparison against epilogue_size_needed at compile
2706 time even when count_exp was constant forced into register. For
2707 size_needed don't jump to epilogue, instead just avoid aligning
2708 and invoke the body algorithm. If need_zero_guard, add zero guard
2709 even if count is non-zero, but smaller than size_needed + number of
2710 bytes that could be stored for alignment.
2711 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2712 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2713 but smaller than size_needed + number of bytes that could be stored
2714 for alignment. Compare size_needed with epilogue_size_needed instead
2715 of desired_align - align, don't adjust size_needed, pass
2716 epilogue_size_needed to the epilogue expanders.
2719 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2721 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2723 * pa.c (last_address): Change to unsigned.
2724 (update_total_code_bytes): Change argument to unsigned. Don't
2725 check if insn addresses are set.
2726 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2727 addresses are not set.
2728 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2730 2009-01-09 Nick Clifton <nickc@redhat.com>
2732 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2733 DECL_DECLARED_INLINE_P.
2735 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2738 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2739 GET_MODE (op0) in operand_subword_force calls.
2742 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2743 fold_convert arg0 operands to TREE_TYPE (op0) first.
2745 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2747 * params.def (ira-max-conflict-table-size): Decrease default value
2750 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2752 PR tree-optimization/37031
2753 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2755 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2756 allocate it using gc instead of heap, use VEC_quick_push instead of
2758 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2759 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2760 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2761 allocated vector from heap allocated.
2762 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2763 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2764 vector only after perfect_loop_nest_depth call.
2766 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2767 Jan Sjodin <jan.sjodin@amd.com>
2769 PR tree-optimization/38559
2770 * graphite.c (debug_value, copy_constraint,
2771 swap_constraint_variables, scale_constraint_variable, ): New.
2772 (get_lower_bound, get_upper_bound): Removed.
2773 (graphite_trans_bb_strip_mine): Clean up this code that works
2774 only for constant number of iterations. Fully copy upper and
2775 lower bound constraints, not only the constant part of them.
2776 * graphite.h (debug_value): Declared.
2778 2009-01-08 Ira Rosen <irar@il.ibm.com>
2780 PR tree-optimization/37194
2781 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2782 Don't add the cost of cost model guard in prologue to scalar
2783 outside cost in case of known number of iterations.
2785 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2786 Alan Modra <amodra@bigpond.net.au>
2788 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2789 non-word-aligned REG+CONST addressing.
2791 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2794 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2795 free_after_compilation when outputting a thunk.
2796 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2797 Do not call free_after_compilation here.
2799 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2801 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2802 (ix86_valid_target_attribute_inner_p): Ditto.
2804 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2806 PR tree-optimization/38492
2807 PR tree-optimization/38498
2808 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2809 * tree-chrec.h (scev_is_linear_expression): Declared.
2810 * graphite.c (graphite_cannot_represent_loop_niter): New.
2811 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2812 (graphite_loop_normal_form): Use gcc_assert.
2813 (scan_tree_for_params): Use CASE_CONVERT.
2814 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2815 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2816 Use gcc_assert. Discard scops that contain unhandled cases.
2817 (build_scop_conditions): Return a boolean status for unhandled cases.
2818 (strip_mine_profitable_p): Print the loop number, not its depth.
2819 (is_interchange_valid): Pass the depth of the loop nest, don't
2820 recompute it wrongly.
2821 (graphite_trans_bb_block): Same.
2822 (graphite_trans_bb_block): Print tentative of loop blocking.
2823 (graphite_trans_scop_block): Do not print that the loop has been
2825 (graphite_transform_loops): Do not handle scops that contain condition
2828 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2830 AVX Programming Reference (December, 2008)
2831 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2832 (_mm256_stream_pd): Likewise.
2833 (_mm256_stream_ps): Likewise.
2835 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2836 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2837 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2838 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2839 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2840 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2841 (ix86_expand_special_args_builtin): Likewise.
2843 * config/i386/sse.md (AVXMODEDI): New.
2844 (avx_movnt<mode>): Likewise.
2845 (avx_movnt<mode>): Likewise.
2846 (<sse>_movnt<mode>): Remove AVX support.
2847 (sse2_movntv2di): Likewise.
2849 2009-01-07 Richard Guenther <rguenther@suse.de>
2852 * fold-const.c (extract_muldiv): Remove obsolete comment.
2853 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2854 to PLUS_EXPR canonicalization for the canonicalization.
2856 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2858 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2859 hosted cross-compilers generating less efficient code.
2861 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2863 * function.h (rtl_data): Add a dbr_scheduled_p field.
2864 * reorg.c (dbr_schedule): Set it.
2865 (gate_handle_delay_slots): Check it.
2866 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2867 (mips_reorg): Check flag_delayed_branch instead of
2868 mips_base_delayed_branch.
2869 (mips_override_options): Don't set mips_base_delayed_branch
2870 or flag_delayed_branch.
2872 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2874 PR rtl-optimization/38426.
2875 * ira.c (ira): Set current_function_is_leaf earlier.
2877 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2879 PR rtl-optimization/38722
2880 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2881 too early, only set a flag and modify after last possible
2884 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2887 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2888 * real.c (decimal_single_format): Correct values of emin and emax.
2889 (decimal_double_format): Ditto.
2890 (decimal_quad_format): Ditto.
2891 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2892 computation of DECnn_MIN and DECnn_MAX for corrected values of
2893 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2894 __DECnn_MIN__, and adjust its computation for the corrected value
2897 2009-01-06 Jan Hubicka <jh@suse.cz>
2900 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2902 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2904 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2905 Add Robert Clark to the list of testers.
2907 2009-01-06 Jan Hubicka <jh@suse.cz>
2908 Kai Tietz <kai.tietz@onevision.com>
2910 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2911 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2913 2009-01-06 Jan Hubicka <jh@suse.cz>
2914 Kai Tietz <kai.tietz@onevision.com>
2916 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2918 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2919 (ix86_nsaved_regs): Count only general purpose regs.
2920 (ix86_nsaved_sseregs): New.
2921 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2922 to 16 for w64; compute padding and size of sse reg save area.
2923 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2924 general purpose regs.
2925 (ix86_emit_save_sse_regs_using_mov): New.
2926 (ix86_expand_prologue): Save SSE regs if needed.
2927 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2928 (ix86_emit_restore_sse_regs_using_mov): New.
2929 (ix86_expand_epilogue): Save SSE regs if needed.
2931 2009-01-06 Jan Hubicka <jh@suse.cz>
2932 Kai Tietz <kai.tietz@onevision.com>
2934 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2935 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2936 functions when accumulate outgoing args is off.
2938 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2941 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2942 before using pseudos_have_intersected_live_ranges_p.
2944 * ira-int.h (ira_assert): Always define.
2946 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2948 AVX Programming Reference (December, 2008)
2949 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2950 (_mm256_permute2_pd): Likewise.
2951 (_mm_permute2_ps): Likewise.
2952 (_mm256_permute2_ps): Likewise.
2953 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2954 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2956 * config/i386/i386.c (ix86_builtins): Remove
2957 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2958 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2959 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2960 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2961 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2962 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2963 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2964 __builtin_ia32_vpermil2ps256.
2965 (ix86_init_mmx_sse_builtins): Updated.
2966 (ix86_expand_args_builtin): Likewise.
2968 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2970 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2971 long absolute calls when generating PA 2.0 code.
2973 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2975 PR rtl-optimization/38583
2976 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2978 * params.def (ira-max-conflict-table-size): New.
2980 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2982 * ira.h (ira_conflicts_p): New external definition.
2984 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2985 table. Report this. Return result of building.
2986 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2987 building conflict table.
2989 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2990 (ira_color): Use ira_conflicts_p.
2992 * global.c: Include ira.h.
2993 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2996 * Makefile.in (global.o): Add ira.h.
2998 * ira-build.c (mark_all_loops_for_removal,
2999 propagate_some_info_from_allocno): New.
3000 (remove_unnecessary_allocnos): Call
3001 propagate_some_info_from_allocno.
3002 (remove_low_level_allocnos): New.
3003 (remove_unnecessary_regions): Add parameter. Call
3004 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3005 parameter to remove_unnecessary_regions.
3006 (ira_build): Remove all regions but root if the conflict table was
3007 not built. Update conflict hard regs for allocnos crossing calls.
3009 * ira.c (ira_conflicts_p): New global.
3010 (ira): Define and use ira_conflicts_p.
3012 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3013 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3014 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3016 2009-01-06 Ben Elliston <bje@au.ibm.com>
3018 * gengtype-lex.l (YY_NO_INPUT): Define.
3020 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3023 * c-common.c (handle_vector_size_attribute): Also reject
3026 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3028 PR tree-optimization/38492
3029 * graphite.c (rename_map_elt, debug_rename_elt,
3030 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3031 rename_map_elt_info, eq_rename_map_elts,
3032 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3033 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3034 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3035 (sese_build_livein_liveouts): New.
3036 (new_sese, free_sese): New.
3037 (new_scop): Call new_sese.
3038 (free_scop): Call free_sese.
3039 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3040 (register_old_new_names): Renamed register_old_and_new_names.
3041 (register_scop_liveout_renames, add_loop_exit_phis,
3042 insert_loop_close_phis, struct igp,
3043 default_liveout_before_guard, add_guard_exit_phis,
3044 insert_guard_phis, copy_renames): New.
3045 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3046 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3047 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3048 (scop_adjust_phis_for_liveouts): New.
3049 (gloog): Call scop_adjust_phis_for_liveouts.
3051 * graphite.h (struct sese): Documented. Added fields liveout,
3053 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3054 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3055 (struct scop): Added field liveout_renames.
3056 (SCOP_LIVEOUT_RENAMES): New.
3058 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3060 PR tree-optimization/38510
3061 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3062 (translate_clast): Call recompute_all_dominators before
3064 (gloog): Call recompute_all_dominators before graphite_verify.
3066 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3067 Jan Sjodin <jan.sjodin@amd.com>
3069 PR tree-optimization/38500
3070 * graphite.c (create_sese_edges): Call fix_loop_structure after
3073 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3075 * config.gcc: Add m32r*-*-rtems*.
3076 * config/m32r/rtems.h: New file.
3078 2009-01-05 Ben Elliston <bje@au.ibm.com>
3080 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3081 (.po.pox): Likewise.
3082 (po/gcc.pot): Likewise.
3084 2009-01-04 David S. Miller <davem@davemloft.net>
3086 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3087 (STARTING_FRAME_OFFSET): Always set to zero.
3089 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3091 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3092 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3093 fixed-point types, and vectors of the same.
3095 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3097 * config/mips/sync.md (*mb_barrier): Rename to...
3098 (*memory_barrier): ...this.
3100 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3102 * doc/extend.texi (Function Attributes): Move @cindex after @item
3103 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3104 and put in alphabetical order. Fix 'target' name and put in order.
3105 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3108 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3110 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3111 (memory_barrier): Expand as unspec instead of unspec_volatile.
3112 Remove mem:BLK from insn operands. Use Pmode scratch register.
3113 (*memory_barrier): Define as unspec instead of unspec_volatile.
3114 Use (match_dup 0) as input operand.
3116 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3117 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3118 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3119 scratch register. Remove operand 1.
3120 (*stbar): Define as unspec instead of unspec_volatile.
3121 Use (match_dup 0) as input operand, remove (const_int 8).
3122 (*membar): Define as unspec instead of unspec_volatile.
3123 Use (match_dup 0) as input operand, remove input operand 2.
3125 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3126 (memory_barrier): Expand as unspec instead of unspec_volatile.
3127 Remove mem:BLK from insn operands. Use Pmode scratch register.
3128 (*memory_barrier): Define as unspec instead of unspec_volatile.
3129 Use (match_dup 0) as input operand.
3131 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3132 Remove mem:BLK from insn operands. Use Pmode scratch register.
3133 Set volatile flag on operand 0.
3134 (*memory_barrier): New insn pattern.
3136 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3138 (*memory_barrier): Use (match_dup 0) as input operand.
3140 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3141 Remove mem:BLK from insn operands. Use Pmode scratch register.
3142 Set volatile flag on operand 0.
3143 (*mb_internal): New insn pattern.
3145 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3147 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3150 * function.c (struct temp_slot): Move to the section of the file
3151 that deals with temp slots. Remove field 'address'.
3152 (temp_slot_address_table): New hash table of address -> temp slot.
3153 (struct temp_slot_address_entry): New struct, items for the table.
3154 (temp_slot_address_compute_hash, temp_slot_address_hash,
3155 temp_slot_address_eq, insert_temp_slot_address): Support functions
3157 (find_temp_slot_from_address): Rewrite to use the new hash table.
3158 (remove_unused_temp_slot_addresses): Remove addresses of temp
3159 slots that have been made available.
3160 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3161 worker function for remove_unused_temp_slot_addresses.
3162 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3163 Add the temp slot address to the address -> temp slot map.
3164 (update_temp_slot_address): Update via insert_temp_slot_address.
3165 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3166 (pop_temp_slots): Likewise.
3167 (init_temp_slots): Allocate the address -> temp slot map, or empty
3168 the map if it is already allocated.
3169 (prepare_function_start): Initialize temp slot processing.
3171 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3174 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3175 Calculate the size of all stack vars assuming no packing of stack
3176 vars will happen, replacing a quadratic algorithm with a linear one.
3178 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3181 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3184 2009-01-03 Diego Novillo <dnovillo@google.com>
3186 * doc/contrib.texi: Update contributions.
3188 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3191 * builtins.c (fold_builtin_memory_op): Give up if either operand
3192 is volatile. Set srctype or desttype to non-qualified version
3196 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3199 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3201 PR rtl-optimization/35805
3202 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3203 problem if fast dce is able to remove any instructions.
3204 * dce.c (dce_process_block): Fix dump message.
3206 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3209 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3211 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3214 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3215 * tree-pretty-print.c (op_code_prio): New function.
3216 (op_prio): No longer static. Use op_code_prio.
3217 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3218 Use op_prio and op_code_prio to determine if () should be
3219 printed around operand(s) or not.
3221 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3222 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3223 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3224 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3225 pp_character instead of pp_string for single letter printing.
3227 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3229 * doc/extend.texi: Fix '#pragma GCC option' typo.
3231 2009-01-02 Richard Guenther <rguenther@suse.de>
3233 * doc/install.texi (--enable-checking): Mention different
3235 (--enable-stage1-checking): Document.
3237 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3240 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3241 case to be an error.
3243 2009-01-02 Ben Elliston <bje@au.ibm.com>
3245 * config/fp-bit.h (pack_d): Constify argument.
3246 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3247 (isnan): Constify argument.
3251 (_fpadd_parts): Constify return type.
3252 (_fpmul_parts): Likewise.
3253 (_fpdiv_parts): Likewise.
3255 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3258 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3259 warn about overwriting initializer with side-effects or
3260 -Woverride-init if !IMPLICIT.
3261 (output_init_element): Likewise. Pass IMPLICIT down to
3263 (process_init_element): Add IMPLICIT argument. Pass it down
3264 to output_init_element.
3265 (push_init_element, pop_init_level, set_designator): Adjust
3266 process_init_element callers.
3267 (set_nonincremental_init, set_nonincremental_init_from_string):
3268 Adjust add_pending_init callers.
3269 (output_pending_init_elements): Adjust output_init_element callers.
3270 * c-tree.h (process_init_element): Adjust prototype.
3271 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3272 process_init_element callers.