1 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4 flags_set_1_rtx, flags_set_1_set): Delete.
5 (regmove_optimize): Do not call mark_flags_life_zones.
7 2009-02-24 Julian Brown <julian@codesourcery.com>
10 * config/arm/arm.c (require_pic_register): Only set
11 cfun->machine->pic_reg once per function.
13 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
15 * doc/invoke.texi (Link Options): Document an easier way to pass
16 options that take arguments to the GNU linker using -Xlinker and
19 2009-02-24 Steve Ellcey <sje@cup.hp.com>
22 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
24 2009-02-24 Richard Guenther <rguenther@suse.de>
27 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
29 2009-02-24 Richard Guenther <rguenther@suse.de>
30 Zdenek Dvorak <ook@ucw.cz>
32 PR tree-optimization/39233
33 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
34 from converting them to a generic type.
36 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
38 PR tree-optimization/39260
39 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
40 contains a condition with a real type.
41 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
43 2009-02-23 Jason Merrill <jason@redhat.com>
46 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
47 narrowing_initializer_constant_valid_p.
48 (narrowing_initializer_constant_valid_p): Don't return
49 null_pointer_node for adding a pointer to itself.
51 2009-02-23 Jan Hubicka <jh@suse.cz>
54 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
56 2009-02-23 Jan Hubicka <jh@suse.cz>
58 PR tree-optimization/37709
59 * tree.c (block_ultimate_origin): Move here from dwarf2out.
60 * tree.h (block_ultimate_origin): Declare.
61 * dwarf2out.c (block_ultimate_origin): Move to tree.c
62 * tree-ssa-live.c (remove_unused_scope_block_p):
63 Eliminate blocks containig no instructions nor live variables nor
65 (dump_scope_block): New function.
66 (remove_unused_locals): Enable removal of dead blocks by default;
67 enable dumping at TDF_DETAILS.
69 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
71 * config/i386/i386.c (classify_argument): Don't allow COImode
73 (function_arg_advance_32): Don't allow OImode.
74 (function_arg_32): Likewise.
75 (function_value_32): Likewise.
76 (return_in_memory_32): Likewise.
77 (function_arg_64): Remove OImode comment.
79 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
82 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
83 ix86_expand_vector_set for V4DImode in 64bit mode only.
84 (ix86_expand_vector_init_one_var): Likewise.
86 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
88 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
90 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
93 * loop-iv.c: Revert last change.
94 * emit-rtl.c: Likewise.
96 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
99 * config/i386/i386.c (type_natural_mode): Remove an extra
100 space in the warning message.
101 (function_value_32): Handle 32-byte vector modes.
102 (return_in_memory_32): Likewise.
104 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
106 * loop-iv.c (truncate_value): New function.
107 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
109 (lowpart_subreg): Move to...
110 * emit-rtl.c: ...here.
112 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
114 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
115 accidental and undocumented change at revision 140860.
117 2009-02-21 Joseph Myers <joseph@codesourcery.com>
119 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
120 take gimple_seq * arguments.
121 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
122 types_compatible_p langhook.
124 2009-02-20 Mark Mitchell <mark@codesourcery.com>
125 Joseph Myers <joseph@codesourcery.com>
127 * config/arm/arm.c (arm_builtin_va_list): New function.
128 (arm_expand_builtin_va_start): Likewise.
129 (arm_gimplify_va_arg_expr): Likewise.
130 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
131 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
132 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
133 (va_list_type): New variable.
134 (arm_mangle_type): Mangle va_list_type appropriately.
136 2009-02-20 Jakub Jelinek <jakub@redhat.com>
139 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
140 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
141 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
142 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
143 parameter to 1000 for -O1 by default.
144 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
146 * loop-invariant.c: Include params.h.
147 (move_loop_invariants): Don't call move_single_loop_invariants on
150 2009-02-20 Jaka Mocnik <jaka@xlab.si>
152 * calls.c (emit_library_call_value_1): Use slot_offset instead of
153 offset when calculating bounds for indexing stack_usage_map. Fixes
154 a buffer overflow with certain target setups.
156 2009-02-20 Jakub Jelinek <jakub@redhat.com>
159 * calls.c (expand_call): Clear try_tail_call if caller and callee
160 disagree in promotion of function return value.
162 2009-02-19 Jakub Jelinek <jakub@redhat.com>
165 * c-common.c (c_determine_visibility): If visibility changed and
166 DECL_RTL has been already set, call make_decl_rtl to update symbol
169 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
172 * varasm.c (assemble_variable): Don't check DECL_NAME when
173 globalizing a variable.
175 2009-02-19 Joseph Myers <joseph@codesourcery.com>
178 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
179 expression before any __builtin_trap call.
180 * c-typeck.c (build_function_call): Convert and check function
181 arguments before generating a call to a trap. Evaluate the
182 function arguments before the trap.
184 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
187 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
188 (UNSPEC_FXAM_MEM): New unspec.
189 (fxam<mode>2_i387_with_temp): New insn and split pattern.
190 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
191 memory using fxam<mode>2_i387_with_temp to remove excess precision.
193 2009-02-19 Richard Guenther <rguenther@suse.de>
195 PR tree-optimization/39207
196 PR tree-optimization/39074
197 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
198 storedanything_tree): New.
199 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
200 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
201 (build_succ_graph): Add edges from STOREDANYTHING to all
203 (init_base_vars): Initialize STOREDANYTHING.
204 (compute_points_to_sets): Free substitution info after
205 building the succ graph.
206 (ipa_pta_execute): Likewise.
208 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
210 (do_ds_constraint): Do not add to special var or non-pointer
212 (type_could_have_pointers): Split out from ...
213 (could_have_pointers): ... here. For arrays use the element type.
214 (create_variable_info_for): Initialize may_have_pointers.
215 (new_var_info): Likewise.
216 (handle_lhs_call): Make the HEAP variable unknown-sized.
217 (intra_create_variable_infos): Use a type with pointers for
218 PARM_NOALIAS, make it unknown-sized.
220 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
223 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
225 2009-02-18 Jason Merrill <jason@redhat.com>
228 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
229 value if DECL_EXTERNAL.
230 * tree-sra.c (sra_walk_gimple_assign): Likewise.
231 * target.h (gcc_target::binds_local_p): Clarify "module".
232 * tree.h (TREE_PUBLIC): Clarify "module".
234 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
237 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
238 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
240 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
243 * c.opt (Wabi): Support C and ObjC.
246 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
248 * config/i386/i386.c (classify_argument): Warn once about the ABI
249 change when passing union with long double.
251 * doc/invoke.texi: Update -Wabi for warning psABI changes.
253 2009-02-18 Joseph Myers <joseph@codesourcery.com>
256 * c-parser.c (c_parser_compound_statement): Always enter and leave
259 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
262 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
264 2009-02-18 Jakub Jelinek <jakub@redhat.com>
266 PR tree-optimization/36922
267 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
268 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
271 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
273 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
276 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
278 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
280 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
282 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
285 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
286 Richard Sandiford <rdsandiford@googlemail.com>
288 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
289 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
290 (loongson_biadd): ...this.
292 2009-02-17 Richard Guenther <rguenther@suse.de>
294 PR tree-optimization/39202
295 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
296 a var make sure to follow existing collapses.
298 2009-02-17 Richard Guenther <rguenther@suse.de>
301 * langhooks.c (lhd_print_error_function): Check for NULL block.
303 2009-02-17 Richard Guenther <rguenther@suse.de>
305 PR tree-optimization/39204
306 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
309 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
311 * config/soft-fp/double.h: Update from glibc CVS.
313 2009-02-17 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/39207
316 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
317 strict-aliasing warnings for pointers pointing to NULL.
319 2009-02-16 Joseph Myers <joseph@codesourcery.com>
322 * c-parser.c (c_parser_braced_init): Call pop_init_level when
323 skipping until next close brace.
325 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
328 * config/i386/i386.c (ix86_expand_push): Set memory alignment
329 to function argument boundary.
331 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
333 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
334 in the lea_add. Reload eventually constraints it properly.
335 * config/picochip/constraints.md : Remove the target constraint
336 "b", since it is not needed anymore.
338 2009-02-16 Jakub Jelinek <jakub@redhat.com>
340 * gthr-dce.h: Uglify function parameter and local variable names.
341 * gthr-gnat.h: Likewise.
342 * gthr-mipssde.h: Likewise.
343 * gthr-nks.h: Likewise.
344 * gthr-posix95.h: Likewise.
345 * gthr-posix.h: Likewise.
346 * gthr-rtems.h: Likewise.
347 * gthr-single.h: Likewise.
348 * gthr-solaris.h: Likewise.
349 * gthr-tpf.h: Likewise.
350 * gthr-vxworks.h: Likewise.
351 * gthr-win32.h: Likewise.
353 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
356 * config/i386/i386.md: Restrict the new peephole2 to move
357 between MMX/SSE registers.
359 2009-02-15 Richard Guenther <rguenther@suse.de>
362 2009-02-13 Richard Guenther <rguenther@suse.de>
364 * configure.ac: Enable LFS.
365 * configure: Re-generate.
366 * config.in: Likewise.
368 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
370 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
371 spu_srqwbyte, spu_srqwbytebc): Define.
372 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
373 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
374 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
375 "shrqby_<mode>"): New insn-and-split patterns.
376 * config/spu/spu.c (expand_builtin_args): Determine and return
377 number of operands using spu_builtin_description data.
378 (spu_expand_builtin_1): Use it.
380 2009-02-13 Steve Ellcey <sje@cup.hp.com>
383 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
386 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
389 * config/i386/i386.c (override_options): Correct warning
390 messages for -malign-loops, -malign-jumps and -malign-functions.
392 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
395 * config/i386/i386.md: Restrict the new peephole2 to move
396 between the general purpose registers.
398 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
401 * config/i386/i386.c (type_natural_mode): Add a new argument.
402 Return the original mode and warn ABI change if vector size is 32byte.
403 (function_arg_advance): Updated.
404 (function_arg): Likewise.
405 (ix86_function_value): Likewise.
406 (ix86_return_in_memory): Likewise.
407 (ix86_sol10_return_in_memory): Likewise.
408 (ix86_gimplify_va_arg): Likewise.
409 (function_arg_32): Don't warn ABX ABI change here.
410 (function_arg_64): Likewise.
412 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
414 * loop-iv.c (implies_p): In the final case, test that operands 0
415 of the two comparisons match.
417 * config/bfin/bfin.c (find_prev_insn_start): New function.
418 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
419 (find_next_insn_start): Move.
421 2009-02-13 Richard Guenther <rguenther@suse.de>
423 * configure.ac: Enable LFS.
424 * configure: Re-generate.
425 * config.in: Likewise.
427 2009-02-13 Joseph Myers <joseph@codesourcery.com>
430 * c-parser.c (c_parser_parms_list_declarator): Discard pending
431 sizes on syntax error after some arguments have been parsed.
433 2009-02-12 Jakub Jelinek <jakub@redhat.com>
435 * doc/invoke.texi (-fira): Remove.
437 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
439 * caller-save.c: Replace regclass.c with reginfo.c in comments.
443 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
445 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
446 (umul_ppmm): Likewise.
447 (count_leading_zeros): Likewise.
448 (count_trailing_zeros): Likewise.
449 (UMUL_TIME): Likewise.
451 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
453 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
454 soft-fp/t-softfp to tmake_file.
456 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
457 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
458 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
459 IA64_BUILTIN_INFQ]: New.
460 (ia64_init_builtins): Initialize __builtin_infq,
461 __builtin_fabsq and __builtin_copysignq if not HPUX.
462 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
463 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
465 * config/ia64/lib1funcs.asm (__divtf3): Define only if
467 (__fixtfti): Likewise.
468 (__fixunstfti): Likewise.
469 (__floattitf): Likewise.
471 * config/ia64/libgcc-glibc.ver: New.
472 * config/ia64/t-fprules-softfp: Likewise.
473 * config/ia64/sfp-machine.h: Likewise.
475 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
476 (LIBGCC2_TF_CEXT): Likewise.
478 (TARGET_INIT_LIBFUNCS): Likewise.
480 * config/ia64/t-glibc (SHLINB_MAPFILES):
481 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
483 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
485 * config/i386/i386.c (construct_container): Rewrite processing
486 BLKmode with X86_64_SSE_CLASS.
488 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
491 * config/i386/i386.md: Replace simplify_replace_rtx with
492 replace_rtx in the new peephole2.
494 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
496 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
497 loop unrolling do not happen at -O2.
499 2009-02-12 Michael Matz <matz@suse.de>
501 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
503 2009-02-12 Jakub Jelinek <jakub@redhat.com>
505 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
508 2009-02-12 Ben Elliston <bje@au.ibm.com>
510 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
511 patterns when updating the back chain. Missed in the 2009-02-10
514 2009-02-11 Janis Johnson <janis187@us.ibm.com>
516 * doc/extend.texi (Decimal Floating Types): Update identifier of
517 draft TR and list of missing support.
519 2009-02-11 Jakub Jelinek <jakub@redhat.com>
522 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
523 bit to variable length decl's flags, add it also to its
524 pointer replacement variable.
526 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
527 Jakub Jelinek <jakub@redhat.com>
530 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
531 (memory_blockage): New expander.
532 (*memory_blockage): New insn pattern.
533 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
534 instead of general blockage at the end of function prologue when
535 frame pointer is used to access red zone area. Do not emit blockage
536 when profiling, it is emitted in generic code.
537 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
538 function epilogue when frame pointer is used to access red zone area.
540 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
543 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
544 by arithmetic with memory operands.
545 * config/i386/predicates.md (commutative_operator): New.
547 2009-02-10 Janis Johnson <janis187@us.ibm.com>
549 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
552 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
554 * alias.h (record_alias_subset): Declare.
555 * alias.c (record_alias_subset): Make global.
557 2009-02-10 Nick Clifton <nickc@redhat.com>
559 * tree-parloops.c: Change license to GPLv3.
560 * ipa-struct-reorg.c: Change license to GPLv3.
561 * ipa-struct-reorg.h: Change license to GPLv3.
563 2009-02-10 Steve Ellcey <sje@cup.hp.com>
566 * c-decl.c (start_struct): Return NULL on error.
568 2009-02-10 Jakub Jelinek <jakub@redhat.com>
571 * cfgloopmanip.c (remove_path): Call remove_bbs after
572 cancel_loop_tree, not before it.
575 * function.h (struct function): Add has_local_explicit_reg_vars bit.
576 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
578 * tree-ssa-live.c (remove_unused_locals): Recompute
579 cfun->has_local_explicit_reg_vars.
580 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
581 copies or clearings if cfun->has_local_explicit_reg_vars.
583 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
586 * config/i386/i386.c (expand_prologue): Emit blockage at the end
587 of function prologue when frame pointer is used to access
590 2009-02-10 Richard Guenther <rguenther@suse.de>
593 * gimplify.c (gimple_regimplify_operands): Always look if
594 we need to create a temporary.
596 2009-02-10 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/39132
599 * tree-loop-distribution.c (todo): New global var.
600 (generate_memset_zero): Trigger TODO_rebuild_alias.
601 (tree_loop_distribution): Return todo.
603 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
606 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
607 (x86_64_reg_class_name): Removed.
608 (classify_argument): Return 0 if bytes > 32. Return 0 if the
609 first one isn't X86_64_SSE_CLASS or any other ones aren't
610 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
611 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
612 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
613 and 3 X86_64_SSEUP_CLASS.
614 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
615 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
617 2009-02-10 Ben Elliston <bje@au.ibm.com>
619 * config/rs6000/rs6000.md (allocate_stack): Always use an update
620 form instruction to update the stack back chain word, even if the
621 user has disabled the generation of update instructions.
622 (movdi_<mode>_update_stack): New.
623 (movsi_update_stack): Likewise.
624 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
625 always use an update form instruction to update the stack back
628 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
631 * graphite.c (if_region_set_false_region): After moving a region in
632 the false branch of a condition, remove the empty dummy basic block.
633 (gloog): Remove wrong fix for PR38953.
635 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
637 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
638 generation due to implicit sign extension.
640 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
643 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
644 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
646 2009-02-09 Richard Guenther <rguenther@suse.de>
649 * convert.c (convert_to_real): Disable (float)fn((double)x)
650 to fnf(x) conversion if errno differences may occur and
653 2009-02-07 Anatoly Sokolov <aesok@post.ru>
655 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
656 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
657 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
659 2009-02-06 Joseph Myers <joseph@codesourcery.com>
662 * c-common.c (handle_alias_attribute): Disallow attribute for
663 anything not a FUNCTION_DECL or VAR_DECL.
665 2009-02-06 Janis Johnson <janis187@us.ibm.com>
668 * real.c (do_compare): Special-case compare of zero against
671 2009-02-06 Joseph Myers <joseph@codesourcery.com>
674 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
675 as indicating flexible array members unless the field itself is
676 being declarared as the incomplete array.
678 2009-02-06 Jan Hubicka <jh@suse.cz>
680 PR tree-optimization/38844
681 * ipa-inline.c (try_inline): Stop inlining recursion when edge
684 2009-02-06 Richard Guenther <rguenther@suse.de>
687 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
688 fork because we may expand it as __gcov_fork.
690 2009-02-06 Nick Clifton <nickc@redhat.com>
692 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
694 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
696 PR tree-optimization/35659
697 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
698 vn_phi_eq): Shortcut if hashcode does not match.
699 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
701 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
702 and avoid iterative_hash_expr.
703 (FOR_EACH_VALUE_ID_IN_SET): New.
704 (value_id_compare): Remove.
705 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
706 sort expressions by value id.
708 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
711 * config/sh/predicates.md (general_movsrc_operand): Don't check
712 the subreg of system registers here.
714 2009-02-05 Jakub Jelinek <jakub@redhat.com>
717 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
720 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
722 PR rtl-optimization/39110
723 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
724 addresses, not aligned ones.
726 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
727 Richard Guenther <rguenther@suse.de>
729 PR tree-optimization/39100
730 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
731 comment says and add edges.
733 2009-02-05 Joseph Myers <joseph@codesourcery.com>
736 * c-common.c (handle_tls_model_attribute): Ignore attribute for
737 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
739 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
741 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
742 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
743 register_bb_in_sese, new_sese, free_sese): Moved.
744 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
745 outermost_loop_in_scop, build_scop_iteration_domain,
746 expand_scalar_variables_ssa_name, get_vdef_before_scop,
747 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
748 Use loop_in_sese_p instead of loop_in_scop_p.
749 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
750 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
751 (scopdet_basic_block_info): Fix bug in scop detection.
752 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
753 eq_loop_to_cloog_loop): Remove.
754 (nb_loops_around_loop_in_scop, nb_loop
755 ref_nb_loops): Moved here...
756 * graphite.h (ref_nb_loops): ... from here.
757 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
758 (loop_domain_dim, loop_iteration_vector_dim): Remove.
759 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
760 * testsuite/gcc.dg/graphite/scop-19.c: New
762 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
763 Hans-Peter Nilsson <hp@axis.com>
765 PR rtl-optimization/37889
766 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
767 Move offset handling from PLUS to before the switch. Use new
768 arguments when considering SYMBOL_REFs too.
769 (rtx_addr_can_trap_p): Pass dummy offset and size.
770 (enum may_trap_p_flags): Remove.
771 (may_trap_p_1): Pass size from MEM_SIZE.
773 PR rtl-optimization/38921
774 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
775 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
776 * rtlanal.c (may_trap_after_code_motion_p): Delete.
777 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
779 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
781 AVX Programming Reference (January, 2009)
782 * config/i386/sse.md (*vpclmulqdq): New.
784 2009-02-04 Jakub Jelinek <jakub@redhat.com>
786 PR tree-optimization/38977
787 PR gcov-profile/38292
788 * calls.c (special_function_p): Disregard __builtin_ prefix.
790 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
792 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
793 non-indexable addresses even before reload.
795 2009-02-03 Joseph Myers <joseph@codesourcery.com>
798 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
799 as having variable size. Do not give an error for unnamed
800 parameters with [*] declarators. Give a warning for type names
801 with [*] declarators and mark them as variable size.
802 * c-parser.c (c_parser_sizeof_expression): Do not give an error
803 for sizeof applied to [*] type names.
805 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
808 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
810 2009-02-03 Jakub Jelinek <jakub@redhat.com>
812 * gcc.c (process_command): Update copyright notice dates.
813 * gcov.c (print_version): Likewise.
814 * gcov-dump.c (print_version): Likewise.
815 * mips-tfile.c (main): Likewise.
816 * mips-tdump.c (main): Likewise.
818 2009-02-03 Joseph Myers <joseph@codesourcery.com>
821 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
822 for composite type involving a zero-length array type.
824 2009-02-03 Jakub Jelinek <jakub@redhat.com>
827 * function.c (match_asm_constraints_1): Skip over
828 initial optional % in the constraint.
831 * c-parser.c (c_parser_postfix_expression): If fixed point is not
832 supported, don't accept FIXED_CSTs.
833 * c-decl.c (finish_declspecs): Error if fixed point is not supported
834 and _Sat is used without _Fract/_Accum. Set specs->type to
835 integer_type_node for cts_fract/cts_accum if fixed point is not
838 2009-02-02 Catherine Moore <clm@codesourcery.com>
840 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
842 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
844 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
845 (ABI_HAS_64BIT_SYMBOLS): Use it.
846 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
848 2009-02-02 Paul Brook <paul@codesourcery.com>
850 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
852 2009-02-02 Jakub Jelinek <jakub@redhat.com>
855 * recog.h (asm_operand_ok): Add constraints argument.
856 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
857 recurse on matching constraint.
858 (check_asm_operands): Pass constraints as 3rd argument to
859 asm_operand_ok. Don't look up matching constraint here.
860 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
863 2009-02-02 Ben Elliston <bje@au.ibm.com>
865 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
866 TARGET_NARROW_VOLATILE_BITFIELD macro names.
868 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
870 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
871 information. Remove some obsolete information. Reorganize.
873 * config/pa/fptr.c: Revert license to GPL 2.
874 * config/pa/milli64.S: Likewise.
876 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
879 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
880 LIBRARY name in, instead of hard-coding it.
881 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
882 extra target make frag to tmake_files according to EH model.
883 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
884 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
885 frags that define makefile variable EH_MODEL appropriately.
886 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
887 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
888 to "-sjlj" according to type of EH configured.
889 (LIBGCC_SONAME): Concatenate it to shared library base name.
890 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
891 to "_sjlj" according to type of EH configured.
892 (LIBGCC_SONAME): Concatenate it to shared library base name.
893 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
894 (SHLIB_LINK): Add missing semicolon to if-else construct.
895 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
896 string value of "pe_dll" command-line option.
897 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
898 (SHLIB_SONAME): Use it when overriding t-cygming default.
899 (SHLIB_IMPLIB): Override t-cygming default.
900 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
901 string value of "pe_dll" command-line option.
903 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
906 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
907 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
909 2009-01-31 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/38937
912 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
913 computing the transitive closure.
915 2009-01-30 Richard Guenther <rguenther@suse.de>
917 PR tree-optimization/39041
918 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
919 Propagate variable indices only if the types match for this stmt.
921 2009-01-30 Jakub Jelinek <jakub@redhat.com>
924 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
925 inline but never defined.
927 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
929 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
930 (*insv_h_di_reg_extimm): New insn.
931 (*insv_l<mode>_reg_extimm): New insn.
933 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
935 * config/picochip/picochip.c (flag_conserve_stack): set
936 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
937 fconserve-stack. Reduce call-overhead used by inliner.
939 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
942 * common.opt (flag_conserve_stack): Initialised to zero.
944 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
947 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
948 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
951 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
953 * ira-color.c (allocno_reload_assign): Update comments.
954 * regmove.c (regmove_optimize): Likewise.
958 2009-01-29 Robert Millan <rmh@aybabtu.com>
960 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
961 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
963 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
965 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
967 PR tree-optimization/39007
968 * tree-loop-distribution.c (generate_builtin): Use
969 recompute_dominator to compute the immediate dominator of the
970 basic block just after the loop.
972 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
975 (ASM_OUTPUT_DWARF_PCREL): Define.
977 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
979 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
980 * doc/passes.texi: Remove entries about regclass, local-alloc, and
981 global. Modify entries about regmove and IRA.
983 * ra-conflict.c: Remove the file.
985 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
987 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
988 (pass_regclass_init): Rename to pass_reginfo_init.
990 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
992 * toplev.h (flag_ira): Remove.
994 * caller-save.c (setup_save_areas): Remove flag_ira.
996 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
998 * global.c: Remove the file.
1000 * opts.c: (decode_options): Remove flag_ira.
1002 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1004 * regmove.c: Modify file description.
1005 (find_use_as_address, try_auto_increment): Define them only if
1006 AUTO_INC_DEC is defined.
1007 (replacement_quality, replace_in_call_usage, fixup_match_1,
1008 stable_and_no_regs_but_for_p): Remove.
1009 (reg_set_in_bb): Make it static.
1010 (regmove_optimize): Remove flag_ira and code which worked for
1013 * local-alloc.c: Remove the file.
1015 * common.opt (fira): Remove.
1017 * ira.c: Include except.h.
1018 (eliminable_regset): Move from global.c.
1019 (mark_elimination): Ditto. Remove flag_ira.
1020 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1021 equiv_mem_modified, validate_equiv_mem_from_store,
1022 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1023 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1024 no_equiv, recorded_label_ref): Move from local-alloc.c.
1025 (update_equiv_regs): Ditto. Make it static.
1026 (print_insn_chain, print_insn_chains): Move it from global.c.
1027 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1028 (build_insn_chain): Ditto. Make it static.
1029 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1030 Rename to init_live_subregs.
1031 (gate_ira): Remove flag_ira.
1033 * regclass.c: Rename reginfo.c. Change file description.
1034 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1035 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1036 (init_reg_sets_1): Remove code for evaluation of
1037 reg_class_superclasses and losing_caller_save_reg_set.
1038 (init_regs): Remove init_reg_autoinc.
1039 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1040 ok_for_base_p_nonstrict): Remove.
1041 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1042 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1043 corresponding entries.
1044 (dump_regclass, record_operand_costs, scan_one_insn,
1045 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1046 record_address_regs, auto_inc_dec_reg_p): Remove.
1047 (gt-regclass.h): Rename to gt-reginfo.h.
1049 * rtl.h (dump_global_regs, retry_global_alloc,
1050 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1052 * Makefile.in (RA_H): Remove.
1053 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1054 Rename regclass.o to reginfo.o.
1055 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1057 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1058 (GTFILES): Rename regclass.c to reginfo.c.
1060 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1061 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1063 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1064 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1066 (finish_spills): Ditto. Remove code for !flag_ira.
1068 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1071 * doc/invoke.texi (rtl debug options): Complete rewrite.
1072 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1074 * mode-switching.c (pass_mode_switching): Rename pass from
1075 "mode-sw" to "mode_sw".
1076 * except.c (pass_convert_to_eh_ranges): Rename pass from
1077 "eh-ranges" to "eh_ranges".
1078 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1082 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1083 Alexander Monakov <amonakov@ispras.ru>
1086 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1088 (move_exprs_to_boundary): Change return type and pass through
1089 should_move from move_op. Relax assert. Update usage ...
1090 (schedule_expr_on_boundary): ... here. Use should_move instead of
1092 (move_op_orig_expr_found): Indicate that insn was disconnected from
1094 (code_motion_process_successors): Do not call after_merge_succs
1095 callback if original expression was not found when traversing any of
1097 (code_motion_path_driver): Change return type. Update prototype.
1098 (move_op): Update comment. Add a new parameter (should_move). Update
1099 prototype. Set *should_move based on indication provided by
1100 move_op_orig_expr_found.
1102 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1104 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1105 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1106 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1107 * config/rs6000/rs6000.c (rs6000_override_options): Default
1108 avoid-indexed-addresses on for Power6, off for everything else.
1109 (avoiding_indexed_address_p): New function.
1110 (rs6000_legitimize_address): Use it.
1111 (rs6000_legitimate_address): Likewise.
1112 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1114 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1116 PR tree-optimization/38997
1117 * tree-loop-distribution.c (generate_memset_zero): Use
1118 POINTER_PLUS_EXPR for a pointer addition.
1120 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1122 * config/s390/s390.md (bswap<mode>2): New pattern added.
1124 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1126 * config/s390/s390.md (*tls_load_31): Added type attribute.
1128 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1130 * config/s390/s390.md: Fix a few comments.
1132 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1134 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1135 (*tm<mode>_full): Fixed z10prop attribute.
1136 (*tst<mode>_extimm): Fixed z10prop attribute.
1137 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1138 (*tstqiCCT_cconly): Fixed z10prop attribute.
1139 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1140 (*movsi_larl): Fixed z10prop attribute.
1141 (*movsi_zarch): Fixed z10prop attribute.
1142 (*movsi_eas): Fixed z10prop attribute.
1143 (*movhi): Fixed z10prop attribute.
1144 (*movqi): Fixed z10prop attribute.
1145 (*movstrictqi): Fixed z10prop attribute.
1146 (*mov<mode>): Fixed z10prop attribute.
1147 (*movcc): Fixed z10prop attribute.
1148 (*sethighpartdi_64): Fixed z10prop attribute.
1149 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1150 (*negdi2_sign_cc): Fixed z10prop attribute.
1151 (*negdi2_sign): Fixed z10prop attribute.
1152 (*absdi2_sign_cc): Fixed z10prop attribute.
1153 (*absdi2_sign): Fixed z10prop attribute.
1154 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1155 (*negabsdi2_sign): Fixed z10prop attribute.
1156 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1157 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1158 (doloop_si64): Fixed z10prop attribute.
1159 (doloop_si31): Fixed z10prop attribute.
1160 (doloop_long): Fixed z10prop attribute.
1161 (indirect_jump): Fixed z10prop attribute.
1162 (nop): Fixed z10prop attribute.
1163 (main_base_64): Fixed z10prop attribute.
1164 (reload_base_64): Fixed z10prop attribute.
1166 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1168 PR rtl-optimization/38740
1169 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1171 * config/mips/mips.c (mips_reorg): Likewise.
1173 2009-01-28 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/38926
1176 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1177 with the correct value id to a value.
1178 (do_regular_insertion): Use the value number of edoubleprime
1179 for the value number of the expr.
1182 2008-08-21 Richard Guenther <rguenther@suse.de>
1184 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1185 a PHI ask VN if it is already available.
1186 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1187 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1189 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1192 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1193 set to varying whenever max has TREE_OVERFLOW set, similarly
1194 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1196 2009-01-28 Richard Guenther <rguenther@suse.de>
1199 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1200 uninitialized aggregate uses in call arguments.
1202 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1204 PR tree-optimization/38984
1205 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1206 the nothing_id variable if -fno-delete-null-pointer-checks.
1208 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1211 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1212 (set_got_offset_rex64): Ditto.
1214 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1217 * doc/extend.texi: Improve local variable with asm reg.
1219 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1221 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1222 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1223 was not supplied then set warn_packed_bitfield_compat to the
1225 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1228 2009-01-27 Richard Guenther <rguenther@suse.de>
1230 PR tree-optimization/38503
1231 * cfgexpand.c (expand_gimple_basic_block): Ignore
1232 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1233 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1234 variables that cannot have TBAA applied.
1235 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1238 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1241 * calls.c (initialize_argument_information): Do not wrap complex
1242 arguments in SAVE_EXPR.
1244 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1246 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1247 (INSTALL_LIBGCC): Revert typo commit.
1249 2009-01-26 Richard Guenther <rguenther@suse.de>
1251 PR tree-optimization/38745
1252 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1253 from special handling.
1255 2009-01-26 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/38745
1258 * tree-ssa.c (execute_update_addresses_taken): Do not include
1259 variables that cannot possibly be a register in not_reg_needs.
1260 Do not clear TREE_ADDRESSABLE on vars that may not become
1262 * tree-ssa.c (update_alias_info_1): Include those in the set
1263 of addressable vars.
1265 2009-01-26 Richard Guenther <rguenther@suse.de>
1268 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1269 * tree-ssa-dse.c: Include langhooks.h
1270 (execute_simple_dse): Remove stores with zero size.
1272 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1275 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1278 2009-01-24 Julian Brown <julian@codesourcery.com>
1280 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1281 config/arm/linux-atomic.c.
1282 * config/arm/linux-atomic.c: New.
1284 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1286 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1287 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1288 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1290 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1293 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1296 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1298 PR tree-optimization/38953
1299 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1300 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1301 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1302 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1305 2009-01-24 Paul Brook <paul@codesourcery.com>
1307 * config/arm/neon.md (neon_type): Move to arm.md.
1308 (neon_mov<VSTRUCT>): Add neon_type attribute.
1309 * config/arm/arm.md (neon_type): Move to here.
1310 (conds): Add "unconditioal" and use as default for NEON insns.
1312 2009-01-24 Ben Elliston <bje@au.ibm.com>
1314 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1315 void *' warning from -Wc++-compat.
1316 * Makefile.in (dominance.o-warn): Remove.
1318 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1320 PR tree-optimization/38932
1321 * fold-const.c (fold_unary_ignore_overflow): New.
1322 * tree.h (fold_unary_ignore_overflow): Declare.
1323 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1324 * tree-ssa-sccvn.c (visit_reference_op_load,
1325 simplify_unary_expression): Likewise.
1327 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1329 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1330 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1331 regardless of their type.
1332 * c-common.c (handle_packed_attribute): Don't ignore packed on
1334 * c.opt (Wpacked-bitfield-compat): New warning option.
1335 * stor-layout.c (place_field): Warn if offset of a field changed.
1336 * doc/extend.texi (packed): Mention the ABI change.
1337 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1338 (Warning Options): Add it to the list.
1340 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1342 * c-opts.c (c_common_post_options): Fix a typo in comments.
1344 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1347 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1348 variables to static.
1349 * doc/invoke.texi (-fmerge-all-constants): Update description.
1351 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1354 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1355 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1357 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1359 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1361 (LOCAL_ALIGNMENT): Similarly.
1363 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1364 Joseph Myers <joseph@codesourcery.com>
1366 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1367 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1368 * config/arm/arm-tune.md: Regenerate.
1369 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1372 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1374 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1375 version number to five.
1377 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1380 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1381 * c-common.c (set_underlying_type): Likewise.
1382 (is_typedef_decl ): Likewise
1384 (set_underlying_type): Likewise.
1385 (is_typedef_type): Likewise.
1387 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1390 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1393 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1396 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1397 (LIBGCC_SPEC): Don't define.
1398 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1400 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1402 PR rtl-optimization/38879
1403 * alias.c (base_alias_check): Unaligned access via AND address can
1404 alias all surrounding object types except those with sizes equal
1405 or wider than the size of unaligned access.
1407 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1410 * c-decl.c: (clone_underlying_type): Move this ...
1411 * c-common.c (set_underlying_type): ... here.
1412 Also, make sure the function properly sets TYPE_STUB_DECL() on
1413 the newly created typedef variant type.
1414 (is_typedef_decl ): New entry point.
1415 * tree.h: Added a new member member_types_needing_access_check to
1416 struct tree_decl_non_common.
1417 (set_underlying_type): New entry point.
1418 (is_typedef_type): Likewise.
1420 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1422 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1423 Check whether two instructions have memory references that
1424 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1425 are helper functions for traversing.
1426 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1427 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1428 not to draw dependency edge for instructions with non-conflicting
1431 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1434 * longlong.h: Update copyright years. Use soft-fp license notice.
1435 Sync __clz_tab declaration with glibc.
1437 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1440 * doc/extend.texi (syscall_linkage): New.
1441 (version_id): Modify.
1443 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1444 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/38747
1447 PR tree-optimization/38748
1448 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1449 conversion if the base address is an indirect reference and the
1450 aliasing sets could cause issues.
1452 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1454 * common.opt (fgraphite, fgraphite-identity): Add comment for
1455 explaining why these options are not documented.
1457 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1459 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1460 gimple_call_lhs is NULL.
1462 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1465 * emit-rtl.c (adjust_address_1): Make sure memref is never
1468 2009-01-20 Ben Elliston <bje@au.ibm.com>
1470 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1471 const qualifier from arg parameter. Remove unnecessary cast to char *.
1472 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1473 const qualifier from arg 2.
1475 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1477 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1479 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1482 * rtl.h (reinit_regs): New prototype.
1483 * regclass.c: Include ira.h.
1485 * Makefile.in (regclass.o): Add ira.h.
1486 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1488 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1491 * c-common.c (handle_aligned_attribute): Use
1492 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1493 default alignment value.
1495 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1497 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1498 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1500 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1501 __BIGGEST_ALIGNMENT__.
1503 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1505 2009-01-18 Richard Guenther <rguenther@suse.de>
1507 PR tree-optimization/38819
1508 * tree-flow.h (operation_could_trap_helper_p): Declare.
1509 * tree-eh.c (operation_could_trap_helper_p): Export.
1510 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1511 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1512 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1513 are about to insert a possibly trapping instruction and fail
1516 2009-01-18 Andreas Schwab <schwab@suse.de>
1518 * doc/install.texi (Configuration): Remove obsolete paragraph
1519 about use of --with-gnu-ld with --with-gnu-as.
1521 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1523 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1524 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1525 Follow spelling conventions.
1527 2009-01-18 Ben Elliston <bje@au.ibm.com>
1529 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1530 C++ warning about implicit conversion from void * to struct
1532 (bitmap_obstack_free): Likewise for bitmap_element *.
1533 * Makefile.in (bitmap.o-warn): Remove.
1535 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1537 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1539 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1540 Tobias Grosser <tobi.grosser@amd.com>
1542 * graphite.c (graphite_trans_scop_block): Do not block single
1545 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1547 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1548 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1549 test with assertion.
1551 2009-01-16 Richard Guenther <rguenther@suse.de>
1553 PR tree-optimization/38835
1555 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1556 and INT + PTR -> (INT)(PTR p+ INT) folding.
1557 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1559 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1562 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1563 the subreg from a lowpart subreg if it is also casting the value.
1565 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1566 Tobias Grosser <tobi.grosser@amd.com>
1568 * graphite.c (compare_prefix_loops): New.
1569 (build_scop_canonical_schedules): Rewritten.
1570 (graphite_transform_loops): Move build_scop_canonical_schedules
1571 after build_scop_iteration_domain.
1573 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1574 Tobias Grosser <tobi.grosser@amd.com>
1576 * graphite.c (add_conditions_to_domain): Add the loops to
1577 the dimension of the iteration domain. Do copy the domain
1578 only when it exists.
1579 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1580 (add_conditions_to_constraints): New.
1581 (can_generate_code_stmt, can_generate_code): Removed.
1582 (gloog): Do not call can_generate_code.
1583 (graphite_transform_loops): Call add_conditions_to_constraints
1584 after building the iteration domain.
1586 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1588 PR tree-optimization/38789
1589 * tree-ssa-threadedge.c
1590 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1591 __builtin_constant_p.
1593 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1595 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1596 examined before deleting them.
1598 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1600 * function.c (aggregate_value_p): Correctly extract the function
1601 type from CALL_EXPR_FN lookup.
1603 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1605 * config/picochip/picochip.c (picochip_override_options): Revert
1606 CFI asm flag disable commited previously.
1608 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1609 Tobias Grosser <tobi.grosser@amd.com>
1610 Jan Sjodin <jan.sjodin@amd.com>
1612 * graphite.c (scan_tree_for_params): On substractions negate
1613 all the coefficients of the term.
1614 (clast_to_gcc_expression_red): New. Handle reduction expressions
1615 of more than two operands.
1616 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1617 (get_vdef_before_scop): Handle also the case of default definitions.
1619 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1621 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1622 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1623 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1625 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1626 Joey Ye <joey.ye@intel.com>
1629 * cfgexpand.c (expand_stack_alignment): Don't update stack
1630 boundary nor check incoming stack boundary here.
1631 (gimple_expand_cfg): Update stack boundary and check incoming
1632 stack boundary here.
1634 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1636 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1638 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1640 PR rtl-optimization/38245
1641 * calls.c (expand_call): Add stack arguments to
1642 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1643 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1644 in regs and partially in memory or BLKmode arguments.
1645 (emit_library_call_value_1): Add stack arguments to
1646 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1647 ACCUMULATE_OUTGOING_ARGS).
1648 * dce.c: Include tm_p.h.
1649 (find_call_stack_args): New function.
1650 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1652 (mark_insn): Call find_call_stack_args for CALL_Ps.
1653 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1654 forwards. Allocate and free arg_stores bitmap if needed, pass it
1655 down to deletable_insn_p, don't mark stores set in arg_stores
1656 bitmap, clear the bitmap at the beginning of each bb.
1657 * Makefile.in (dce.o): Depend on $(TM_P_H).
1659 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1662 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1663 to make sure the insn is a conditional test (bug 22599). Reformat a
1666 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1669 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1670 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1671 (gloog): Do not call cleanup_tree_cfg.
1672 (graphite_transform_loops): Call cleanup_tree_cfg after all
1673 scops have been code generated.
1675 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1676 * doc/gty.texi (Invoking the garbage collector): Added new node
1677 and section documenting ggc_collect.
1679 2009-01-14 Richard Guenther <rguenther@suse.de>
1681 PR tree-optimization/38826
1683 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1684 initialization notes only if we actually emitted a warning.
1685 (intra_create_variable_infos): Add constraints for a result decl
1686 that is passed by hidden reference.
1687 (build_pred_graph): Mark all related variables non-direct on
1690 2009-01-14 Nick Clifton <nickc@redhat.com>
1692 * ira-conflicts.c: Include addresses.h for the definition of
1694 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1695 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1697 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1700 * Makefile.in (ira-lives.o): Add except.h.
1702 * ira-lives.c: Include except.h.
1703 (process_bb_node_lives): Process can_throw_internal.
1705 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1707 PR rtl-optimization/38774
1708 * combine.c (simplify_set): When undoing cc_use change, don't do
1709 PUT_CODE on the newly created comparison, but instead put back the
1712 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1714 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1715 values. Remove duplicate arm8 entry.
1717 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1719 PR tree-optimization/38786
1720 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1721 the SSA_NAME case of expand_scalar_variables_expr.
1722 Set the type of an expression to the type of its assign statement.
1723 (expand_scalar_variables_expr): Also gather the scalar computation
1724 used to index the memory access. Do not pass loop_p.
1725 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1726 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1727 the gimple_stmt_iterator where it inserts new code.
1729 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1730 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1732 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1734 * graphite.h (debug_value): Removed.
1735 * graphite.c (debug_value): Removed.
1737 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1739 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1740 ldrd/strd with two 32-bit instructions.
1742 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1744 * config/arm/arm.c (struct processors): Pass for speed down into
1745 cost helper functions.
1746 (const_ok_for_op): Handle COMPARE and inequality nodes.
1747 (arm_rtx_costs_1): Rewrite.
1748 (arm_size_rtx_costs): Update prototype.
1749 (arm_rtx_costs): Pass speed down to helper functions.
1750 (arm_slowmul_rtx_costs): Rework cost calculations.
1751 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1752 (arm_9e_rtx_costs): Likewise.
1754 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1756 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1757 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1758 (alpha_legitimize_address): Do not split local symbols wider than
1759 UNITS_PER_WORD into HIGH/LO_SUM parts.
1761 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1764 * gcc.c (process_command): Replace call to execvp with calls
1765 to pex_one and exit.
1767 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1770 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1771 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1772 variant for devices with 3-byte PC.
1773 (__tablejump_elpm__) : New.
1775 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1778 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1779 offsetof member-designator, handle it as `[0].'.
1781 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1783 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1784 function when not using named sections on targets with named sections
1785 if branch distance is less than 262132.
1787 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1789 * combine.c (combine_instructions): Recompute
1790 optimize_this_for_speed_p for each BB in the main combine loop.
1792 2009-01-12 Tomas Bily <tbily@suse.cz>
1795 * tree-loop-distribution.c (prop_phis): New function.
1796 (generate_builtin): Call prop_phis.
1797 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1799 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1801 PR tree-optimization/38807
1802 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1803 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1805 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1807 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1808 subreg of op0 to the original op0.
1810 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1812 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1814 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1817 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1818 starting with digits.
1820 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1823 * config/arm/arm.c (arm_is_long_call_p): Don't call
1824 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1826 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1828 * regrename.c (regrename_optimize): Fix dumping.
1829 (find_oldest_value_reg): Preserve REG_POINTER.
1830 (copy_hardreg_forward_1): Likewise.
1832 2009-01-09 Diego Novillo <dnovillo@google.com>
1834 * gimple.h (struct gimple_statement_base) <uid>: Document
1835 the restrictions on its use.
1837 (gimple_set_uid): Tidy.
1839 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1841 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1842 zero guard even if align_bytes != 0 and count is smaller than
1845 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1847 PR rtl-optimization/38495
1848 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1849 (add_range_and_copies_from_move_list): Print all added ranges.
1850 Add ranges to memory optimized destination.
1852 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1856 * config/i386/i386.c (override_options): Reject
1857 -mstringop-strategy=rep_8byte with -m32.
1858 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1859 to 1. Do count comparison against epilogue_size_needed at compile
1860 time even when count_exp was constant forced into register. For
1861 size_needed don't jump to epilogue, instead just avoid aligning
1862 and invoke the body algorithm. If need_zero_guard, add zero guard
1863 even if count is non-zero, but smaller than size_needed + number of
1864 bytes that could be stored for alignment.
1865 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1866 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1867 but smaller than size_needed + number of bytes that could be stored
1868 for alignment. Compare size_needed with epilogue_size_needed instead
1869 of desired_align - align, don't adjust size_needed, pass
1870 epilogue_size_needed to the epilogue expanders.
1873 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1875 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1877 * pa.c (last_address): Change to unsigned.
1878 (update_total_code_bytes): Change argument to unsigned. Don't
1879 check if insn addresses are set.
1880 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1881 addresses are not set.
1882 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1884 2009-01-09 Nick Clifton <nickc@redhat.com>
1886 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1887 DECL_DECLARED_INLINE_P.
1889 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1892 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1893 GET_MODE (op0) in operand_subword_force calls.
1896 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1897 fold_convert arg0 operands to TREE_TYPE (op0) first.
1899 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1901 * params.def (ira-max-conflict-table-size): Decrease default value
1904 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1906 PR tree-optimization/37031
1907 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1909 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1910 allocate it using gc instead of heap, use VEC_quick_push instead of
1912 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1913 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1914 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1915 allocated vector from heap allocated.
1916 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1917 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1918 vector only after perfect_loop_nest_depth call.
1920 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1921 Jan Sjodin <jan.sjodin@amd.com>
1923 PR tree-optimization/38559
1924 * graphite.c (debug_value, copy_constraint,
1925 swap_constraint_variables, scale_constraint_variable, ): New.
1926 (get_lower_bound, get_upper_bound): Removed.
1927 (graphite_trans_bb_strip_mine): Clean up this code that works
1928 only for constant number of iterations. Fully copy upper and
1929 lower bound constraints, not only the constant part of them.
1930 * graphite.h (debug_value): Declared.
1932 2009-01-08 Ira Rosen <irar@il.ibm.com>
1934 PR tree-optimization/37194
1935 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1936 Don't add the cost of cost model guard in prologue to scalar
1937 outside cost in case of known number of iterations.
1939 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1940 Alan Modra <amodra@bigpond.net.au>
1942 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1943 non-word-aligned REG+CONST addressing.
1945 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1948 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1949 free_after_compilation when outputting a thunk.
1950 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1951 Do not call free_after_compilation here.
1953 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1955 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1956 (ix86_valid_target_attribute_inner_p): Ditto.
1958 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1960 PR tree-optimization/38492
1961 PR tree-optimization/38498
1962 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1963 * tree-chrec.h (scev_is_linear_expression): Declared.
1964 * graphite.c (graphite_cannot_represent_loop_niter): New.
1965 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1966 (graphite_loop_normal_form): Use gcc_assert.
1967 (scan_tree_for_params): Use CASE_CONVERT.
1968 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1969 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1970 Use gcc_assert. Discard scops that contain unhandled cases.
1971 (build_scop_conditions): Return a boolean status for unhandled cases.
1972 (strip_mine_profitable_p): Print the loop number, not its depth.
1973 (is_interchange_valid): Pass the depth of the loop nest, don't
1974 recompute it wrongly.
1975 (graphite_trans_bb_block): Same.
1976 (graphite_trans_bb_block): Print tentative of loop blocking.
1977 (graphite_trans_scop_block): Do not print that the loop has been
1979 (graphite_transform_loops): Do not handle scops that contain condition
1982 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1984 AVX Programming Reference (December, 2008)
1985 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1986 (_mm256_stream_pd): Likewise.
1987 (_mm256_stream_ps): Likewise.
1989 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1990 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1991 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1992 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1993 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1994 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1995 (ix86_expand_special_args_builtin): Likewise.
1997 * config/i386/sse.md (AVXMODEDI): New.
1998 (avx_movnt<mode>): Likewise.
1999 (avx_movnt<mode>): Likewise.
2000 (<sse>_movnt<mode>): Remove AVX support.
2001 (sse2_movntv2di): Likewise.
2003 2009-01-07 Richard Guenther <rguenther@suse.de>
2006 * fold-const.c (extract_muldiv): Remove obsolete comment.
2007 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2008 to PLUS_EXPR canonicalization for the canonicalization.
2010 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2012 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2013 hosted cross-compilers generating less efficient code.
2015 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2017 * function.h (rtl_data): Add a dbr_scheduled_p field.
2018 * reorg.c (dbr_schedule): Set it.
2019 (gate_handle_delay_slots): Check it.
2020 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2021 (mips_reorg): Check flag_delayed_branch instead of
2022 mips_base_delayed_branch.
2023 (mips_override_options): Don't set mips_base_delayed_branch
2024 or flag_delayed_branch.
2026 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2028 PR rtl-optimization/38426.
2029 * ira.c (ira): Set current_function_is_leaf earlier.
2031 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2033 PR rtl-optimization/38722
2034 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2035 too early, only set a flag and modify after last possible
2038 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2041 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2042 * real.c (decimal_single_format): Correct values of emin and emax.
2043 (decimal_double_format): Ditto.
2044 (decimal_quad_format): Ditto.
2045 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2046 computation of DECnn_MIN and DECnn_MAX for corrected values of
2047 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2048 __DECnn_MIN__, and adjust its computation for the corrected value
2051 2009-01-06 Jan Hubicka <jh@suse.cz>
2054 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2056 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2058 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2059 Add Robert Clark to the list of testers.
2061 2009-01-06 Jan Hubicka <jh@suse.cz>
2062 Kai Tietz <kai.tietz@onevision.com>
2064 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2065 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2067 2009-01-06 Jan Hubicka <jh@suse.cz>
2068 Kai Tietz <kai.tietz@onevision.com>
2070 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2072 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2073 (ix86_nsaved_regs): Count only general purpose regs.
2074 (ix86_nsaved_sseregs): New.
2075 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2076 to 16 for w64; compute padding and size of sse reg save area.
2077 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2078 general purpose regs.
2079 (ix86_emit_save_sse_regs_using_mov): New.
2080 (ix86_expand_prologue): Save SSE regs if needed.
2081 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2082 (ix86_emit_restore_sse_regs_using_mov): New.
2083 (ix86_expand_epilogue): Save SSE regs if needed.
2085 2009-01-06 Jan Hubicka <jh@suse.cz>
2086 Kai Tietz <kai.tietz@onevision.com>
2088 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2089 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2090 functions when accumulate outgoing args is off.
2092 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2095 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2096 before using pseudos_have_intersected_live_ranges_p.
2098 * ira-int.h (ira_assert): Always define.
2100 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2102 AVX Programming Reference (December, 2008)
2103 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2104 (_mm256_permute2_pd): Likewise.
2105 (_mm_permute2_ps): Likewise.
2106 (_mm256_permute2_ps): Likewise.
2107 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2108 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2110 * config/i386/i386.c (ix86_builtins): Remove
2111 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2112 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2113 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2114 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2115 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2116 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2117 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2118 __builtin_ia32_vpermil2ps256.
2119 (ix86_init_mmx_sse_builtins): Updated.
2120 (ix86_expand_args_builtin): Likewise.
2122 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2124 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2125 long absolute calls when generating PA 2.0 code.
2127 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2129 PR rtl-optimization/38583
2130 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2132 * params.def (ira-max-conflict-table-size): New.
2134 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2136 * ira.h (ira_conflicts_p): New external definition.
2138 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2139 table. Report this. Return result of building.
2140 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2141 building conflict table.
2143 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2144 (ira_color): Use ira_conflicts_p.
2146 * global.c: Include ira.h.
2147 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2150 * Makefile.in (global.o): Add ira.h.
2152 * ira-build.c (mark_all_loops_for_removal,
2153 propagate_some_info_from_allocno): New.
2154 (remove_unnecessary_allocnos): Call
2155 propagate_some_info_from_allocno.
2156 (remove_low_level_allocnos): New.
2157 (remove_unnecessary_regions): Add parameter. Call
2158 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2159 parameter to remove_unnecessary_regions.
2160 (ira_build): Remove all regions but root if the conflict table was
2161 not built. Update conflict hard regs for allocnos crossing calls.
2163 * ira.c (ira_conflicts_p): New global.
2164 (ira): Define and use ira_conflicts_p.
2166 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2167 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2168 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2170 2009-01-06 Ben Elliston <bje@au.ibm.com>
2172 * gengtype-lex.l (YY_NO_INPUT): Define.
2174 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2177 * c-common.c (handle_vector_size_attribute): Also reject
2180 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2182 PR tree-optimization/38492
2183 * graphite.c (rename_map_elt, debug_rename_elt,
2184 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2185 rename_map_elt_info, eq_rename_map_elts,
2186 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2187 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2188 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2189 (sese_build_livein_liveouts): New.
2190 (new_sese, free_sese): New.
2191 (new_scop): Call new_sese.
2192 (free_scop): Call free_sese.
2193 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2194 (register_old_new_names): Renamed register_old_and_new_names.
2195 (register_scop_liveout_renames, add_loop_exit_phis,
2196 insert_loop_close_phis, struct igp,
2197 default_liveout_before_guard, add_guard_exit_phis,
2198 insert_guard_phis, copy_renames): New.
2199 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2200 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2201 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2202 (scop_adjust_phis_for_liveouts): New.
2203 (gloog): Call scop_adjust_phis_for_liveouts.
2205 * graphite.h (struct sese): Documented. Added fields liveout,
2207 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2208 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2209 (struct scop): Added field liveout_renames.
2210 (SCOP_LIVEOUT_RENAMES): New.
2212 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2214 PR tree-optimization/38510
2215 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2216 (translate_clast): Call recompute_all_dominators before
2218 (gloog): Call recompute_all_dominators before graphite_verify.
2220 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2221 Jan Sjodin <jan.sjodin@amd.com>
2223 PR tree-optimization/38500
2224 * graphite.c (create_sese_edges): Call fix_loop_structure after
2227 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2229 * config.gcc: Add m32r*-*-rtems*.
2230 * config/m32r/rtems.h: New file.
2232 2009-01-05 Ben Elliston <bje@au.ibm.com>
2234 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2235 (.po.pox): Likewise.
2236 (po/gcc.pot): Likewise.
2238 2009-01-04 David S. Miller <davem@davemloft.net>
2240 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2241 (STARTING_FRAME_OFFSET): Always set to zero.
2243 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2245 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2246 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2247 fixed-point types, and vectors of the same.
2249 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2251 * config/mips/sync.md (*mb_barrier): Rename to...
2252 (*memory_barrier): ...this.
2254 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2256 * doc/extend.texi (Function Attributes): Move @cindex after @item
2257 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2258 and put in alphabetical order. Fix 'target' name and put in order.
2259 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2262 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2264 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2265 (memory_barrier): Expand as unspec instead of unspec_volatile.
2266 Remove mem:BLK from insn operands. Use Pmode scratch register.
2267 (*memory_barrier): Define as unspec instead of unspec_volatile.
2268 Use (match_dup 0) as input operand.
2270 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2271 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2272 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2273 scratch register. Remove operand 1.
2274 (*stbar): Define as unspec instead of unspec_volatile.
2275 Use (match_dup 0) as input operand, remove (const_int 8).
2276 (*membar): Define as unspec instead of unspec_volatile.
2277 Use (match_dup 0) as input operand, remove input operand 2.
2279 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2280 (memory_barrier): Expand as unspec instead of unspec_volatile.
2281 Remove mem:BLK from insn operands. Use Pmode scratch register.
2282 (*memory_barrier): Define as unspec instead of unspec_volatile.
2283 Use (match_dup 0) as input operand.
2285 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2286 Remove mem:BLK from insn operands. Use Pmode scratch register.
2287 Set volatile flag on operand 0.
2288 (*memory_barrier): New insn pattern.
2290 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2292 (*memory_barrier): Use (match_dup 0) as input operand.
2294 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2295 Remove mem:BLK from insn operands. Use Pmode scratch register.
2296 Set volatile flag on operand 0.
2297 (*mb_internal): New insn pattern.
2299 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2301 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2304 * function.c (struct temp_slot): Move to the section of the file
2305 that deals with temp slots. Remove field 'address'.
2306 (temp_slot_address_table): New hash table of address -> temp slot.
2307 (struct temp_slot_address_entry): New struct, items for the table.
2308 (temp_slot_address_compute_hash, temp_slot_address_hash,
2309 temp_slot_address_eq, insert_temp_slot_address): Support functions
2311 (find_temp_slot_from_address): Rewrite to use the new hash table.
2312 (remove_unused_temp_slot_addresses): Remove addresses of temp
2313 slots that have been made available.
2314 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2315 worker function for remove_unused_temp_slot_addresses.
2316 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2317 Add the temp slot address to the address -> temp slot map.
2318 (update_temp_slot_address): Update via insert_temp_slot_address.
2319 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2320 (pop_temp_slots): Likewise.
2321 (init_temp_slots): Allocate the address -> temp slot map, or empty
2322 the map if it is already allocated.
2323 (prepare_function_start): Initialize temp slot processing.
2325 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2328 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2329 Calculate the size of all stack vars assuming no packing of stack
2330 vars will happen, replacing a quadratic algorithm with a linear one.
2332 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2335 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2338 2009-01-03 Diego Novillo <dnovillo@google.com>
2340 * doc/contrib.texi: Update contributions.
2342 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2345 * builtins.c (fold_builtin_memory_op): Give up if either operand
2346 is volatile. Set srctype or desttype to non-qualified version
2350 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2353 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2355 PR rtl-optimization/35805
2356 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2357 problem if fast dce is able to remove any instructions.
2358 * dce.c (dce_process_block): Fix dump message.
2360 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2363 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2365 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2368 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2369 * tree-pretty-print.c (op_code_prio): New function.
2370 (op_prio): No longer static. Use op_code_prio.
2371 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2372 Use op_prio and op_code_prio to determine if () should be
2373 printed around operand(s) or not.
2375 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2376 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2377 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2378 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2379 pp_character instead of pp_string for single letter printing.
2381 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2383 * doc/extend.texi: Fix '#pragma GCC option' typo.
2385 2009-01-02 Richard Guenther <rguenther@suse.de>
2387 * doc/install.texi (--enable-checking): Mention different
2389 (--enable-stage1-checking): Document.
2391 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2394 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2395 case to be an error.
2397 2009-01-02 Ben Elliston <bje@au.ibm.com>
2399 * config/fp-bit.h (pack_d): Constify argument.
2400 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2401 (isnan): Constify argument.
2405 (_fpadd_parts): Constify return type.
2406 (_fpmul_parts): Likewise.
2407 (_fpdiv_parts): Likewise.
2409 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2412 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2413 warn about overwriting initializer with side-effects or
2414 -Woverride-init if !IMPLICIT.
2415 (output_init_element): Likewise. Pass IMPLICIT down to
2417 (process_init_element): Add IMPLICIT argument. Pass it down
2418 to output_init_element.
2419 (push_init_element, pop_init_level, set_designator): Adjust
2420 process_init_element callers.
2421 (set_nonincremental_init, set_nonincremental_init_from_string):
2422 Adjust add_pending_init callers.
2423 (output_pending_init_elements): Adjust output_init_element callers.
2424 * c-tree.h (process_init_element): Adjust prototype.
2425 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2426 process_init_element callers.