1 2009-02-24 Richard Guenther <rguenther@suse.de>
2 Zdenek Dvorak <ook@ucw.cz>
4 PR tree-optimization/39233
5 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
6 from converting them to a generic type.
8 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
10 PR tree-optimization/39260
11 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
12 contains a condition with a real type.
13 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
15 2009-02-23 Jason Merrill <jason@redhat.com>
18 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
19 narrowing_initializer_constant_valid_p.
20 (narrowing_initializer_constant_valid_p): Don't return
21 null_pointer_node for adding a pointer to itself.
23 2009-02-23 Jan Hubicka <jh@suse.cz>
26 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
28 2009-02-23 Jan Hubicka <jh@suse.cz>
30 PR tree-optimization/37709
31 * tree.c (block_ultimate_origin): Move here from dwarf2out.
32 * tree.h (block_ultimate_origin): Declare.
33 * dwarf2out.c (block_ultimate_origin): Move to tree.c
34 * tree-ssa-live.c (remove_unused_scope_block_p):
35 Eliminate blocks containig no instructions nor live variables nor
37 (dump_scope_block): New function.
38 (remove_unused_locals): Enable removal of dead blocks by default;
39 enable dumping at TDF_DETAILS.
41 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
43 * config/i386/i386.c (classify_argument): Don't allow COImode
45 (function_arg_advance_32): Don't allow OImode.
46 (function_arg_32): Likewise.
47 (function_value_32): Likewise.
48 (return_in_memory_32): Likewise.
49 (function_arg_64): Remove OImode comment.
51 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
54 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
55 ix86_expand_vector_set for V4DImode in 64bit mode only.
56 (ix86_expand_vector_init_one_var): Likewise.
58 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
60 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
62 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
65 * loop-iv.c: Revert last change.
66 * emit-rtl.c: Likewise.
68 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
71 * config/i386/i386.c (type_natural_mode): Remove an extra
72 space in the warning message.
73 (function_value_32): Handle 32-byte vector modes.
74 (return_in_memory_32): Likewise.
76 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
78 * loop-iv.c (truncate_value): New function.
79 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
81 (lowpart_subreg): Move to...
82 * emit-rtl.c: ...here.
84 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
86 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
87 accidental and undocumented change at revision 140860.
89 2009-02-21 Joseph Myers <joseph@codesourcery.com>
91 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
92 take gimple_seq * arguments.
93 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
94 types_compatible_p langhook.
96 2009-02-20 Mark Mitchell <mark@codesourcery.com>
97 Joseph Myers <joseph@codesourcery.com>
99 * config/arm/arm.c (arm_builtin_va_list): New function.
100 (arm_expand_builtin_va_start): Likewise.
101 (arm_gimplify_va_arg_expr): Likewise.
102 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
103 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
104 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
105 (va_list_type): New variable.
106 (arm_mangle_type): Mangle va_list_type appropriately.
108 2009-02-20 Jakub Jelinek <jakub@redhat.com>
111 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
112 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
113 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
114 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
115 parameter to 1000 for -O1 by default.
116 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
118 * loop-invariant.c: Include params.h.
119 (move_loop_invariants): Don't call move_single_loop_invariants on
122 2009-02-20 Jaka Mocnik <jaka@xlab.si>
124 * calls.c (emit_library_call_value_1): Use slot_offset instead of
125 offset when calculating bounds for indexing stack_usage_map. Fixes
126 a buffer overflow with certain target setups.
128 2009-02-20 Jakub Jelinek <jakub@redhat.com>
131 * calls.c (expand_call): Clear try_tail_call if caller and callee
132 disagree in promotion of function return value.
134 2009-02-19 Jakub Jelinek <jakub@redhat.com>
137 * c-common.c (c_determine_visibility): If visibility changed and
138 DECL_RTL has been already set, call make_decl_rtl to update symbol
141 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
144 * varasm.c (assemble_variable): Don't check DECL_NAME when
145 globalizing a variable.
147 2009-02-19 Joseph Myers <joseph@codesourcery.com>
150 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
151 expression before any __builtin_trap call.
152 * c-typeck.c (build_function_call): Convert and check function
153 arguments before generating a call to a trap. Evaluate the
154 function arguments before the trap.
156 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
159 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
160 (UNSPEC_FXAM_MEM): New unspec.
161 (fxam<mode>2_i387_with_temp): New insn and split pattern.
162 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
163 memory using fxam<mode>2_i387_with_temp to remove excess precision.
165 2009-02-19 Richard Guenther <rguenther@suse.de>
167 PR tree-optimization/39207
168 PR tree-optimization/39074
169 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
170 storedanything_tree): New.
171 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
172 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
173 (build_succ_graph): Add edges from STOREDANYTHING to all
175 (init_base_vars): Initialize STOREDANYTHING.
176 (compute_points_to_sets): Free substitution info after
177 building the succ graph.
178 (ipa_pta_execute): Likewise.
180 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
182 (do_ds_constraint): Do not add to special var or non-pointer
184 (type_could_have_pointers): Split out from ...
185 (could_have_pointers): ... here. For arrays use the element type.
186 (create_variable_info_for): Initialize may_have_pointers.
187 (new_var_info): Likewise.
188 (handle_lhs_call): Make the HEAP variable unknown-sized.
189 (intra_create_variable_infos): Use a type with pointers for
190 PARM_NOALIAS, make it unknown-sized.
192 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
195 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
197 2009-02-18 Jason Merrill <jason@redhat.com>
200 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
201 value if DECL_EXTERNAL.
202 * tree-sra.c (sra_walk_gimple_assign): Likewise.
203 * target.h (gcc_target::binds_local_p): Clarify "module".
204 * tree.h (TREE_PUBLIC): Clarify "module".
206 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
209 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
210 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
212 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
215 * c.opt (Wabi): Support C and ObjC.
218 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
220 * config/i386/i386.c (classify_argument): Warn once about the ABI
221 change when passing union with long double.
223 * doc/invoke.texi: Update -Wabi for warning psABI changes.
225 2009-02-18 Joseph Myers <joseph@codesourcery.com>
228 * c-parser.c (c_parser_compound_statement): Always enter and leave
231 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
234 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
236 2009-02-18 Jakub Jelinek <jakub@redhat.com>
238 PR tree-optimization/36922
239 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
240 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
243 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
245 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
248 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
250 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
252 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
254 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
257 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
258 Richard Sandiford <rdsandiford@googlemail.com>
260 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
261 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
262 (loongson_biadd): ...this.
264 2009-02-17 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/39202
267 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
268 a var make sure to follow existing collapses.
270 2009-02-17 Richard Guenther <rguenther@suse.de>
273 * langhooks.c (lhd_print_error_function): Check for NULL block.
275 2009-02-17 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/39204
278 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
281 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
283 * config/soft-fp/double.h: Update from glibc CVS.
285 2009-02-17 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/39207
288 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
289 strict-aliasing warnings for pointers pointing to NULL.
291 2009-02-16 Joseph Myers <joseph@codesourcery.com>
294 * c-parser.c (c_parser_braced_init): Call pop_init_level when
295 skipping until next close brace.
297 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
300 * config/i386/i386.c (ix86_expand_push): Set memory alignment
301 to function argument boundary.
303 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
305 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
306 in the lea_add. Reload eventually constraints it properly.
307 * config/picochip/constraints.md : Remove the target constraint
308 "b", since it is not needed anymore.
310 2009-02-16 Jakub Jelinek <jakub@redhat.com>
312 * gthr-dce.h: Uglify function parameter and local variable names.
313 * gthr-gnat.h: Likewise.
314 * gthr-mipssde.h: Likewise.
315 * gthr-nks.h: Likewise.
316 * gthr-posix95.h: Likewise.
317 * gthr-posix.h: Likewise.
318 * gthr-rtems.h: Likewise.
319 * gthr-single.h: Likewise.
320 * gthr-solaris.h: Likewise.
321 * gthr-tpf.h: Likewise.
322 * gthr-vxworks.h: Likewise.
323 * gthr-win32.h: Likewise.
325 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
328 * config/i386/i386.md: Restrict the new peephole2 to move
329 between MMX/SSE registers.
331 2009-02-15 Richard Guenther <rguenther@suse.de>
334 2009-02-13 Richard Guenther <rguenther@suse.de>
336 * configure.ac: Enable LFS.
337 * configure: Re-generate.
338 * config.in: Likewise.
340 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
342 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
343 spu_srqwbyte, spu_srqwbytebc): Define.
344 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
345 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
346 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
347 "shrqby_<mode>"): New insn-and-split patterns.
348 * config/spu/spu.c (expand_builtin_args): Determine and return
349 number of operands using spu_builtin_description data.
350 (spu_expand_builtin_1): Use it.
352 2009-02-13 Steve Ellcey <sje@cup.hp.com>
355 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
358 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
361 * config/i386/i386.c (override_options): Correct warning
362 messages for -malign-loops, -malign-jumps and -malign-functions.
364 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
367 * config/i386/i386.md: Restrict the new peephole2 to move
368 between the general purpose registers.
370 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
373 * config/i386/i386.c (type_natural_mode): Add a new argument.
374 Return the original mode and warn ABI change if vector size is 32byte.
375 (function_arg_advance): Updated.
376 (function_arg): Likewise.
377 (ix86_function_value): Likewise.
378 (ix86_return_in_memory): Likewise.
379 (ix86_sol10_return_in_memory): Likewise.
380 (ix86_gimplify_va_arg): Likewise.
381 (function_arg_32): Don't warn ABX ABI change here.
382 (function_arg_64): Likewise.
384 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
386 * loop-iv.c (implies_p): In the final case, test that operands 0
387 of the two comparisons match.
389 * config/bfin/bfin.c (find_prev_insn_start): New function.
390 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
391 (find_next_insn_start): Move.
393 2009-02-13 Richard Guenther <rguenther@suse.de>
395 * configure.ac: Enable LFS.
396 * configure: Re-generate.
397 * config.in: Likewise.
399 2009-02-13 Joseph Myers <joseph@codesourcery.com>
402 * c-parser.c (c_parser_parms_list_declarator): Discard pending
403 sizes on syntax error after some arguments have been parsed.
405 2009-02-12 Jakub Jelinek <jakub@redhat.com>
407 * doc/invoke.texi (-fira): Remove.
409 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
411 * caller-save.c: Replace regclass.c with reginfo.c in comments.
415 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
417 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
418 (umul_ppmm): Likewise.
419 (count_leading_zeros): Likewise.
420 (count_trailing_zeros): Likewise.
421 (UMUL_TIME): Likewise.
423 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
425 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
426 soft-fp/t-softfp to tmake_file.
428 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
429 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
430 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
431 IA64_BUILTIN_INFQ]: New.
432 (ia64_init_builtins): Initialize __builtin_infq,
433 __builtin_fabsq and __builtin_copysignq if not HPUX.
434 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
435 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
437 * config/ia64/lib1funcs.asm (__divtf3): Define only if
439 (__fixtfti): Likewise.
440 (__fixunstfti): Likewise.
441 (__floattitf): Likewise.
443 * config/ia64/libgcc-glibc.ver: New.
444 * config/ia64/t-fprules-softfp: Likewise.
445 * config/ia64/sfp-machine.h: Likewise.
447 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
448 (LIBGCC2_TF_CEXT): Likewise.
450 (TARGET_INIT_LIBFUNCS): Likewise.
452 * config/ia64/t-glibc (SHLINB_MAPFILES):
453 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
455 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
457 * config/i386/i386.c (construct_container): Rewrite processing
458 BLKmode with X86_64_SSE_CLASS.
460 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
463 * config/i386/i386.md: Replace simplify_replace_rtx with
464 replace_rtx in the new peephole2.
466 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
468 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
469 loop unrolling do not happen at -O2.
471 2009-02-12 Michael Matz <matz@suse.de>
473 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
475 2009-02-12 Jakub Jelinek <jakub@redhat.com>
477 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
480 2009-02-12 Ben Elliston <bje@au.ibm.com>
482 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
483 patterns when updating the back chain. Missed in the 2009-02-10
486 2009-02-11 Janis Johnson <janis187@us.ibm.com>
488 * doc/extend.texi (Decimal Floating Types): Update identifier of
489 draft TR and list of missing support.
491 2009-02-11 Jakub Jelinek <jakub@redhat.com>
494 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
495 bit to variable length decl's flags, add it also to its
496 pointer replacement variable.
498 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
499 Jakub Jelinek <jakub@redhat.com>
502 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
503 (memory_blockage): New expander.
504 (*memory_blockage): New insn pattern.
505 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
506 instead of general blockage at the end of function prologue when
507 frame pointer is used to access red zone area. Do not emit blockage
508 when profiling, it is emitted in generic code.
509 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
510 function epilogue when frame pointer is used to access red zone area.
512 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
515 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
516 by arithmetic with memory operands.
517 * config/i386/predicates.md (commutative_operator): New.
519 2009-02-10 Janis Johnson <janis187@us.ibm.com>
521 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
524 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
526 * alias.h (record_alias_subset): Declare.
527 * alias.c (record_alias_subset): Make global.
529 2009-02-10 Nick Clifton <nickc@redhat.com>
531 * tree-parloops.c: Change license to GPLv3.
532 * ipa-struct-reorg.c: Change license to GPLv3.
533 * ipa-struct-reorg.h: Change license to GPLv3.
535 2009-02-10 Steve Ellcey <sje@cup.hp.com>
538 * c-decl.c (start_struct): Return NULL on error.
540 2009-02-10 Jakub Jelinek <jakub@redhat.com>
543 * cfgloopmanip.c (remove_path): Call remove_bbs after
544 cancel_loop_tree, not before it.
547 * function.h (struct function): Add has_local_explicit_reg_vars bit.
548 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
550 * tree-ssa-live.c (remove_unused_locals): Recompute
551 cfun->has_local_explicit_reg_vars.
552 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
553 copies or clearings if cfun->has_local_explicit_reg_vars.
555 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
558 * config/i386/i386.c (expand_prologue): Emit blockage at the end
559 of function prologue when frame pointer is used to access
562 2009-02-10 Richard Guenther <rguenther@suse.de>
565 * gimplify.c (gimple_regimplify_operands): Always look if
566 we need to create a temporary.
568 2009-02-10 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/39132
571 * tree-loop-distribution.c (todo): New global var.
572 (generate_memset_zero): Trigger TODO_rebuild_alias.
573 (tree_loop_distribution): Return todo.
575 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
578 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
579 (x86_64_reg_class_name): Removed.
580 (classify_argument): Return 0 if bytes > 32. Return 0 if the
581 first one isn't X86_64_SSE_CLASS or any other ones aren't
582 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
583 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
584 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
585 and 3 X86_64_SSEUP_CLASS.
586 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
587 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
589 2009-02-10 Ben Elliston <bje@au.ibm.com>
591 * config/rs6000/rs6000.md (allocate_stack): Always use an update
592 form instruction to update the stack back chain word, even if the
593 user has disabled the generation of update instructions.
594 (movdi_<mode>_update_stack): New.
595 (movsi_update_stack): Likewise.
596 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
597 always use an update form instruction to update the stack back
600 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
603 * graphite.c (if_region_set_false_region): After moving a region in
604 the false branch of a condition, remove the empty dummy basic block.
605 (gloog): Remove wrong fix for PR38953.
607 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
609 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
610 generation due to implicit sign extension.
612 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
615 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
616 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
618 2009-02-09 Richard Guenther <rguenther@suse.de>
621 * convert.c (convert_to_real): Disable (float)fn((double)x)
622 to fnf(x) conversion if errno differences may occur and
625 2009-02-07 Anatoly Sokolov <aesok@post.ru>
627 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
628 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
629 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
631 2009-02-06 Joseph Myers <joseph@codesourcery.com>
634 * c-common.c (handle_alias_attribute): Disallow attribute for
635 anything not a FUNCTION_DECL or VAR_DECL.
637 2009-02-06 Janis Johnson <janis187@us.ibm.com>
640 * real.c (do_compare): Special-case compare of zero against
643 2009-02-06 Joseph Myers <joseph@codesourcery.com>
646 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
647 as indicating flexible array members unless the field itself is
648 being declarared as the incomplete array.
650 2009-02-06 Jan Hubicka <jh@suse.cz>
652 PR tree-optimization/38844
653 * ipa-inline.c (try_inline): Stop inlining recursion when edge
656 2009-02-06 Richard Guenther <rguenther@suse.de>
659 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
660 fork because we may expand it as __gcov_fork.
662 2009-02-06 Nick Clifton <nickc@redhat.com>
664 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
666 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
668 PR tree-optimization/35659
669 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
670 vn_phi_eq): Shortcut if hashcode does not match.
671 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
673 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
674 and avoid iterative_hash_expr.
675 (FOR_EACH_VALUE_ID_IN_SET): New.
676 (value_id_compare): Remove.
677 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
678 sort expressions by value id.
680 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
683 * config/sh/predicates.md (general_movsrc_operand): Don't check
684 the subreg of system registers here.
686 2009-02-05 Jakub Jelinek <jakub@redhat.com>
689 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
692 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
694 PR rtl-optimization/39110
695 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
696 addresses, not aligned ones.
698 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
699 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/39100
702 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
703 comment says and add edges.
705 2009-02-05 Joseph Myers <joseph@codesourcery.com>
708 * c-common.c (handle_tls_model_attribute): Ignore attribute for
709 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
711 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
713 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
714 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
715 register_bb_in_sese, new_sese, free_sese): Moved.
716 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
717 outermost_loop_in_scop, build_scop_iteration_domain,
718 expand_scalar_variables_ssa_name, get_vdef_before_scop,
719 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
720 Use loop_in_sese_p instead of loop_in_scop_p.
721 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
722 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
723 (scopdet_basic_block_info): Fix bug in scop detection.
724 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
725 eq_loop_to_cloog_loop): Remove.
726 (nb_loops_around_loop_in_scop, nb_loop
727 ref_nb_loops): Moved here...
728 * graphite.h (ref_nb_loops): ... from here.
729 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
730 (loop_domain_dim, loop_iteration_vector_dim): Remove.
731 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
732 * testsuite/gcc.dg/graphite/scop-19.c: New
734 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
735 Hans-Peter Nilsson <hp@axis.com>
737 PR rtl-optimization/37889
738 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
739 Move offset handling from PLUS to before the switch. Use new
740 arguments when considering SYMBOL_REFs too.
741 (rtx_addr_can_trap_p): Pass dummy offset and size.
742 (enum may_trap_p_flags): Remove.
743 (may_trap_p_1): Pass size from MEM_SIZE.
745 PR rtl-optimization/38921
746 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
747 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
748 * rtlanal.c (may_trap_after_code_motion_p): Delete.
749 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
751 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
753 AVX Programming Reference (January, 2009)
754 * config/i386/sse.md (*vpclmulqdq): New.
756 2009-02-04 Jakub Jelinek <jakub@redhat.com>
758 PR tree-optimization/38977
759 PR gcov-profile/38292
760 * calls.c (special_function_p): Disregard __builtin_ prefix.
762 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
764 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
765 non-indexable addresses even before reload.
767 2009-02-03 Joseph Myers <joseph@codesourcery.com>
770 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
771 as having variable size. Do not give an error for unnamed
772 parameters with [*] declarators. Give a warning for type names
773 with [*] declarators and mark them as variable size.
774 * c-parser.c (c_parser_sizeof_expression): Do not give an error
775 for sizeof applied to [*] type names.
777 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
780 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
782 2009-02-03 Jakub Jelinek <jakub@redhat.com>
784 * gcc.c (process_command): Update copyright notice dates.
785 * gcov.c (print_version): Likewise.
786 * gcov-dump.c (print_version): Likewise.
787 * mips-tfile.c (main): Likewise.
788 * mips-tdump.c (main): Likewise.
790 2009-02-03 Joseph Myers <joseph@codesourcery.com>
793 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
794 for composite type involving a zero-length array type.
796 2009-02-03 Jakub Jelinek <jakub@redhat.com>
799 * function.c (match_asm_constraints_1): Skip over
800 initial optional % in the constraint.
803 * c-parser.c (c_parser_postfix_expression): If fixed point is not
804 supported, don't accept FIXED_CSTs.
805 * c-decl.c (finish_declspecs): Error if fixed point is not supported
806 and _Sat is used without _Fract/_Accum. Set specs->type to
807 integer_type_node for cts_fract/cts_accum if fixed point is not
810 2009-02-02 Catherine Moore <clm@codesourcery.com>
812 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
814 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
816 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
817 (ABI_HAS_64BIT_SYMBOLS): Use it.
818 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
820 2009-02-02 Paul Brook <paul@codesourcery.com>
822 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
824 2009-02-02 Jakub Jelinek <jakub@redhat.com>
827 * recog.h (asm_operand_ok): Add constraints argument.
828 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
829 recurse on matching constraint.
830 (check_asm_operands): Pass constraints as 3rd argument to
831 asm_operand_ok. Don't look up matching constraint here.
832 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
835 2009-02-02 Ben Elliston <bje@au.ibm.com>
837 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
838 TARGET_NARROW_VOLATILE_BITFIELD macro names.
840 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
842 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
843 information. Remove some obsolete information. Reorganize.
845 * config/pa/fptr.c: Revert license to GPL 2.
846 * config/pa/milli64.S: Likewise.
848 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
851 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
852 LIBRARY name in, instead of hard-coding it.
853 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
854 extra target make frag to tmake_files according to EH model.
855 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
856 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
857 frags that define makefile variable EH_MODEL appropriately.
858 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
859 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
860 to "-sjlj" according to type of EH configured.
861 (LIBGCC_SONAME): Concatenate it to shared library base name.
862 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
863 to "_sjlj" according to type of EH configured.
864 (LIBGCC_SONAME): Concatenate it to shared library base name.
865 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
866 (SHLIB_LINK): Add missing semicolon to if-else construct.
867 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
868 string value of "pe_dll" command-line option.
869 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
870 (SHLIB_SONAME): Use it when overriding t-cygming default.
871 (SHLIB_IMPLIB): Override t-cygming default.
872 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
873 string value of "pe_dll" command-line option.
875 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
878 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
879 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
881 2009-01-31 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/38937
884 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
885 computing the transitive closure.
887 2009-01-30 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/39041
890 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
891 Propagate variable indices only if the types match for this stmt.
893 2009-01-30 Jakub Jelinek <jakub@redhat.com>
896 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
897 inline but never defined.
899 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
901 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
902 (*insv_h_di_reg_extimm): New insn.
903 (*insv_l<mode>_reg_extimm): New insn.
905 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
907 * config/picochip/picochip.c (flag_conserve_stack): set
908 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
909 fconserve-stack. Reduce call-overhead used by inliner.
911 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
914 * common.opt (flag_conserve_stack): Initialised to zero.
916 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
919 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
920 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
923 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
925 * ira-color.c (allocno_reload_assign): Update comments.
926 * regmove.c (regmove_optimize): Likewise.
930 2009-01-29 Robert Millan <rmh@aybabtu.com>
932 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
933 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
935 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
937 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
939 PR tree-optimization/39007
940 * tree-loop-distribution.c (generate_builtin): Use
941 recompute_dominator to compute the immediate dominator of the
942 basic block just after the loop.
944 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
946 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
947 (ASM_OUTPUT_DWARF_PCREL): Define.
949 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
951 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
952 * doc/passes.texi: Remove entries about regclass, local-alloc, and
953 global. Modify entries about regmove and IRA.
955 * ra-conflict.c: Remove the file.
957 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
959 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
960 (pass_regclass_init): Rename to pass_reginfo_init.
962 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
964 * toplev.h (flag_ira): Remove.
966 * caller-save.c (setup_save_areas): Remove flag_ira.
968 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
970 * global.c: Remove the file.
972 * opts.c: (decode_options): Remove flag_ira.
974 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
976 * regmove.c: Modify file description.
977 (find_use_as_address, try_auto_increment): Define them only if
978 AUTO_INC_DEC is defined.
979 (replacement_quality, replace_in_call_usage, fixup_match_1,
980 stable_and_no_regs_but_for_p): Remove.
981 (reg_set_in_bb): Make it static.
982 (regmove_optimize): Remove flag_ira and code which worked for
985 * local-alloc.c: Remove the file.
987 * common.opt (fira): Remove.
989 * ira.c: Include except.h.
990 (eliminable_regset): Move from global.c.
991 (mark_elimination): Ditto. Remove flag_ira.
992 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
993 equiv_mem_modified, validate_equiv_mem_from_store,
994 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
995 contains_replace_regs, memref_referenced_p, memref_used_between_p,
996 no_equiv, recorded_label_ref): Move from local-alloc.c.
997 (update_equiv_regs): Ditto. Make it static.
998 (print_insn_chain, print_insn_chains): Move it from global.c.
999 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1000 (build_insn_chain): Ditto. Make it static.
1001 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1002 Rename to init_live_subregs.
1003 (gate_ira): Remove flag_ira.
1005 * regclass.c: Rename reginfo.c. Change file description.
1006 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1007 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1008 (init_reg_sets_1): Remove code for evaluation of
1009 reg_class_superclasses and losing_caller_save_reg_set.
1010 (init_regs): Remove init_reg_autoinc.
1011 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1012 ok_for_base_p_nonstrict): Remove.
1013 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1014 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1015 corresponding entries.
1016 (dump_regclass, record_operand_costs, scan_one_insn,
1017 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1018 record_address_regs, auto_inc_dec_reg_p): Remove.
1019 (gt-regclass.h): Rename to gt-reginfo.h.
1021 * rtl.h (dump_global_regs, retry_global_alloc,
1022 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1024 * Makefile.in (RA_H): Remove.
1025 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1026 Rename regclass.o to reginfo.o.
1027 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1029 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1030 (GTFILES): Rename regclass.c to reginfo.c.
1032 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1033 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1035 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1036 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1038 (finish_spills): Ditto. Remove code for !flag_ira.
1040 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1043 * doc/invoke.texi (rtl debug options): Complete rewrite.
1044 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1046 * mode-switching.c (pass_mode_switching): Rename pass from
1047 "mode-sw" to "mode_sw".
1048 * except.c (pass_convert_to_eh_ranges): Rename pass from
1049 "eh-ranges" to "eh_ranges".
1050 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1054 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1055 Alexander Monakov <amonakov@ispras.ru>
1058 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1060 (move_exprs_to_boundary): Change return type and pass through
1061 should_move from move_op. Relax assert. Update usage ...
1062 (schedule_expr_on_boundary): ... here. Use should_move instead of
1064 (move_op_orig_expr_found): Indicate that insn was disconnected from
1066 (code_motion_process_successors): Do not call after_merge_succs
1067 callback if original expression was not found when traversing any of
1069 (code_motion_path_driver): Change return type. Update prototype.
1070 (move_op): Update comment. Add a new parameter (should_move). Update
1071 prototype. Set *should_move based on indication provided by
1072 move_op_orig_expr_found.
1074 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1076 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1077 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1078 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1079 * config/rs6000/rs6000.c (rs6000_override_options): Default
1080 avoid-indexed-addresses on for Power6, off for everything else.
1081 (avoiding_indexed_address_p): New function.
1082 (rs6000_legitimize_address): Use it.
1083 (rs6000_legitimate_address): Likewise.
1084 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1086 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1088 PR tree-optimization/38997
1089 * tree-loop-distribution.c (generate_memset_zero): Use
1090 POINTER_PLUS_EXPR for a pointer addition.
1092 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1094 * config/s390/s390.md (bswap<mode>2): New pattern added.
1096 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1098 * config/s390/s390.md (*tls_load_31): Added type attribute.
1100 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1102 * config/s390/s390.md: Fix a few comments.
1104 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1106 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1107 (*tm<mode>_full): Fixed z10prop attribute.
1108 (*tst<mode>_extimm): Fixed z10prop attribute.
1109 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1110 (*tstqiCCT_cconly): Fixed z10prop attribute.
1111 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1112 (*movsi_larl): Fixed z10prop attribute.
1113 (*movsi_zarch): Fixed z10prop attribute.
1114 (*movsi_eas): Fixed z10prop attribute.
1115 (*movhi): Fixed z10prop attribute.
1116 (*movqi): Fixed z10prop attribute.
1117 (*movstrictqi): Fixed z10prop attribute.
1118 (*mov<mode>): Fixed z10prop attribute.
1119 (*movcc): Fixed z10prop attribute.
1120 (*sethighpartdi_64): Fixed z10prop attribute.
1121 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1122 (*negdi2_sign_cc): Fixed z10prop attribute.
1123 (*negdi2_sign): Fixed z10prop attribute.
1124 (*absdi2_sign_cc): Fixed z10prop attribute.
1125 (*absdi2_sign): Fixed z10prop attribute.
1126 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1127 (*negabsdi2_sign): Fixed z10prop attribute.
1128 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1129 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1130 (doloop_si64): Fixed z10prop attribute.
1131 (doloop_si31): Fixed z10prop attribute.
1132 (doloop_long): Fixed z10prop attribute.
1133 (indirect_jump): Fixed z10prop attribute.
1134 (nop): Fixed z10prop attribute.
1135 (main_base_64): Fixed z10prop attribute.
1136 (reload_base_64): Fixed z10prop attribute.
1138 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1140 PR rtl-optimization/38740
1141 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1143 * config/mips/mips.c (mips_reorg): Likewise.
1145 2009-01-28 Richard Guenther <rguenther@suse.de>
1147 PR tree-optimization/38926
1148 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1149 with the correct value id to a value.
1150 (do_regular_insertion): Use the value number of edoubleprime
1151 for the value number of the expr.
1154 2008-08-21 Richard Guenther <rguenther@suse.de>
1156 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1157 a PHI ask VN if it is already available.
1158 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1159 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1161 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1164 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1165 set to varying whenever max has TREE_OVERFLOW set, similarly
1166 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1168 2009-01-28 Richard Guenther <rguenther@suse.de>
1171 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1172 uninitialized aggregate uses in call arguments.
1174 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1176 PR tree-optimization/38984
1177 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1178 the nothing_id variable if -fno-delete-null-pointer-checks.
1180 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1183 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1184 (set_got_offset_rex64): Ditto.
1186 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1189 * doc/extend.texi: Improve local variable with asm reg.
1191 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1193 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1194 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1195 was not supplied then set warn_packed_bitfield_compat to the
1197 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1200 2009-01-27 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/38503
1203 * cfgexpand.c (expand_gimple_basic_block): Ignore
1204 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1205 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1206 variables that cannot have TBAA applied.
1207 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1210 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1213 * calls.c (initialize_argument_information): Do not wrap complex
1214 arguments in SAVE_EXPR.
1216 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1218 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1219 (INSTALL_LIBGCC): Revert typo commit.
1221 2009-01-26 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/38745
1224 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1225 from special handling.
1227 2009-01-26 Richard Guenther <rguenther@suse.de>
1229 PR tree-optimization/38745
1230 * tree-ssa.c (execute_update_addresses_taken): Do not include
1231 variables that cannot possibly be a register in not_reg_needs.
1232 Do not clear TREE_ADDRESSABLE on vars that may not become
1234 * tree-ssa.c (update_alias_info_1): Include those in the set
1235 of addressable vars.
1237 2009-01-26 Richard Guenther <rguenther@suse.de>
1240 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1241 * tree-ssa-dse.c: Include langhooks.h
1242 (execute_simple_dse): Remove stores with zero size.
1244 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1247 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1250 2009-01-24 Julian Brown <julian@codesourcery.com>
1252 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1253 config/arm/linux-atomic.c.
1254 * config/arm/linux-atomic.c: New.
1256 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1258 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1259 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1260 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1262 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1265 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1268 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1270 PR tree-optimization/38953
1271 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1272 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1273 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1274 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1277 2009-01-24 Paul Brook <paul@codesourcery.com>
1279 * config/arm/neon.md (neon_type): Move to arm.md.
1280 (neon_mov<VSTRUCT>): Add neon_type attribute.
1281 * config/arm/arm.md (neon_type): Move to here.
1282 (conds): Add "unconditioal" and use as default for NEON insns.
1284 2009-01-24 Ben Elliston <bje@au.ibm.com>
1286 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1287 void *' warning from -Wc++-compat.
1288 * Makefile.in (dominance.o-warn): Remove.
1290 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1292 PR tree-optimization/38932
1293 * fold-const.c (fold_unary_ignore_overflow): New.
1294 * tree.h (fold_unary_ignore_overflow): Declare.
1295 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1296 * tree-ssa-sccvn.c (visit_reference_op_load,
1297 simplify_unary_expression): Likewise.
1299 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1301 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1302 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1303 regardless of their type.
1304 * c-common.c (handle_packed_attribute): Don't ignore packed on
1306 * c.opt (Wpacked-bitfield-compat): New warning option.
1307 * stor-layout.c (place_field): Warn if offset of a field changed.
1308 * doc/extend.texi (packed): Mention the ABI change.
1309 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1310 (Warning Options): Add it to the list.
1312 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1314 * c-opts.c (c_common_post_options): Fix a typo in comments.
1316 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1319 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1320 variables to static.
1321 * doc/invoke.texi (-fmerge-all-constants): Update description.
1323 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1326 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1327 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1329 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1331 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1333 (LOCAL_ALIGNMENT): Similarly.
1335 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1336 Joseph Myers <joseph@codesourcery.com>
1338 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1339 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1340 * config/arm/arm-tune.md: Regenerate.
1341 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1344 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1346 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1347 version number to five.
1349 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1352 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1353 * c-common.c (set_underlying_type): Likewise.
1354 (is_typedef_decl ): Likewise
1356 (set_underlying_type): Likewise.
1357 (is_typedef_type): Likewise.
1359 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1362 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1365 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1368 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1369 (LIBGCC_SPEC): Don't define.
1370 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1372 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1374 PR rtl-optimization/38879
1375 * alias.c (base_alias_check): Unaligned access via AND address can
1376 alias all surrounding object types except those with sizes equal
1377 or wider than the size of unaligned access.
1379 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1382 * c-decl.c: (clone_underlying_type): Move this ...
1383 * c-common.c (set_underlying_type): ... here.
1384 Also, make sure the function properly sets TYPE_STUB_DECL() on
1385 the newly created typedef variant type.
1386 (is_typedef_decl ): New entry point.
1387 * tree.h: Added a new member member_types_needing_access_check to
1388 struct tree_decl_non_common.
1389 (set_underlying_type): New entry point.
1390 (is_typedef_type): Likewise.
1392 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1394 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1395 Check whether two instructions have memory references that
1396 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1397 are helper functions for traversing.
1398 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1399 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1400 not to draw dependency edge for instructions with non-conflicting
1403 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1406 * longlong.h: Update copyright years. Use soft-fp license notice.
1407 Sync __clz_tab declaration with glibc.
1409 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1412 * doc/extend.texi (syscall_linkage): New.
1413 (version_id): Modify.
1415 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1416 Richard Guenther <rguenther@suse.de>
1418 PR tree-optimization/38747
1419 PR tree-optimization/38748
1420 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1421 conversion if the base address is an indirect reference and the
1422 aliasing sets could cause issues.
1424 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1426 * common.opt (fgraphite, fgraphite-identity): Add comment for
1427 explaining why these options are not documented.
1429 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1431 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1432 gimple_call_lhs is NULL.
1434 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1437 * emit-rtl.c (adjust_address_1): Make sure memref is never
1440 2009-01-20 Ben Elliston <bje@au.ibm.com>
1442 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1443 const qualifier from arg parameter. Remove unnecessary cast to char *.
1444 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1445 const qualifier from arg 2.
1447 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1449 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1451 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1454 * rtl.h (reinit_regs): New prototype.
1455 * regclass.c: Include ira.h.
1457 * Makefile.in (regclass.o): Add ira.h.
1458 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1460 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1463 * c-common.c (handle_aligned_attribute): Use
1464 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1465 default alignment value.
1467 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1469 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1470 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1472 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1473 __BIGGEST_ALIGNMENT__.
1475 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1477 2009-01-18 Richard Guenther <rguenther@suse.de>
1479 PR tree-optimization/38819
1480 * tree-flow.h (operation_could_trap_helper_p): Declare.
1481 * tree-eh.c (operation_could_trap_helper_p): Export.
1482 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1483 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1484 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1485 are about to insert a possibly trapping instruction and fail
1488 2009-01-18 Andreas Schwab <schwab@suse.de>
1490 * doc/install.texi (Configuration): Remove obsolete paragraph
1491 about use of --with-gnu-ld with --with-gnu-as.
1493 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1495 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1496 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1497 Follow spelling conventions.
1499 2009-01-18 Ben Elliston <bje@au.ibm.com>
1501 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1502 C++ warning about implicit conversion from void * to struct
1504 (bitmap_obstack_free): Likewise for bitmap_element *.
1505 * Makefile.in (bitmap.o-warn): Remove.
1507 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1509 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1511 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1512 Tobias Grosser <tobi.grosser@amd.com>
1514 * graphite.c (graphite_trans_scop_block): Do not block single
1517 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1519 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1520 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1521 test with assertion.
1523 2009-01-16 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/38835
1527 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1528 and INT + PTR -> (INT)(PTR p+ INT) folding.
1529 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1531 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1534 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1535 the subreg from a lowpart subreg if it is also casting the value.
1537 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1538 Tobias Grosser <tobi.grosser@amd.com>
1540 * graphite.c (compare_prefix_loops): New.
1541 (build_scop_canonical_schedules): Rewritten.
1542 (graphite_transform_loops): Move build_scop_canonical_schedules
1543 after build_scop_iteration_domain.
1545 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1546 Tobias Grosser <tobi.grosser@amd.com>
1548 * graphite.c (add_conditions_to_domain): Add the loops to
1549 the dimension of the iteration domain. Do copy the domain
1550 only when it exists.
1551 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1552 (add_conditions_to_constraints): New.
1553 (can_generate_code_stmt, can_generate_code): Removed.
1554 (gloog): Do not call can_generate_code.
1555 (graphite_transform_loops): Call add_conditions_to_constraints
1556 after building the iteration domain.
1558 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1560 PR tree-optimization/38789
1561 * tree-ssa-threadedge.c
1562 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1563 __builtin_constant_p.
1565 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1567 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1568 examined before deleting them.
1570 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1572 * function.c (aggregate_value_p): Correctly extract the function
1573 type from CALL_EXPR_FN lookup.
1575 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1577 * config/picochip/picochip.c (picochip_override_options): Revert
1578 CFI asm flag disable commited previously.
1580 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1581 Tobias Grosser <tobi.grosser@amd.com>
1582 Jan Sjodin <jan.sjodin@amd.com>
1584 * graphite.c (scan_tree_for_params): On substractions negate
1585 all the coefficients of the term.
1586 (clast_to_gcc_expression_red): New. Handle reduction expressions
1587 of more than two operands.
1588 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1589 (get_vdef_before_scop): Handle also the case of default definitions.
1591 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1593 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1594 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1595 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1597 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1598 Joey Ye <joey.ye@intel.com>
1601 * cfgexpand.c (expand_stack_alignment): Don't update stack
1602 boundary nor check incoming stack boundary here.
1603 (gimple_expand_cfg): Update stack boundary and check incoming
1604 stack boundary here.
1606 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1608 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1610 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1612 PR rtl-optimization/38245
1613 * calls.c (expand_call): Add stack arguments to
1614 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1615 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1616 in regs and partially in memory or BLKmode arguments.
1617 (emit_library_call_value_1): Add stack arguments to
1618 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1619 ACCUMULATE_OUTGOING_ARGS).
1620 * dce.c: Include tm_p.h.
1621 (find_call_stack_args): New function.
1622 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1624 (mark_insn): Call find_call_stack_args for CALL_Ps.
1625 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1626 forwards. Allocate and free arg_stores bitmap if needed, pass it
1627 down to deletable_insn_p, don't mark stores set in arg_stores
1628 bitmap, clear the bitmap at the beginning of each bb.
1629 * Makefile.in (dce.o): Depend on $(TM_P_H).
1631 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1634 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1635 to make sure the insn is a conditional test (bug 22599). Reformat a
1638 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1641 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1642 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1643 (gloog): Do not call cleanup_tree_cfg.
1644 (graphite_transform_loops): Call cleanup_tree_cfg after all
1645 scops have been code generated.
1647 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1648 * doc/gty.texi (Invoking the garbage collector): Added new node
1649 and section documenting ggc_collect.
1651 2009-01-14 Richard Guenther <rguenther@suse.de>
1653 PR tree-optimization/38826
1655 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1656 initialization notes only if we actually emitted a warning.
1657 (intra_create_variable_infos): Add constraints for a result decl
1658 that is passed by hidden reference.
1659 (build_pred_graph): Mark all related variables non-direct on
1662 2009-01-14 Nick Clifton <nickc@redhat.com>
1664 * ira-conflicts.c: Include addresses.h for the definition of
1666 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1667 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1669 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1672 * Makefile.in (ira-lives.o): Add except.h.
1674 * ira-lives.c: Include except.h.
1675 (process_bb_node_lives): Process can_throw_internal.
1677 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1679 PR rtl-optimization/38774
1680 * combine.c (simplify_set): When undoing cc_use change, don't do
1681 PUT_CODE on the newly created comparison, but instead put back the
1684 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1686 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1687 values. Remove duplicate arm8 entry.
1689 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1691 PR tree-optimization/38786
1692 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1693 the SSA_NAME case of expand_scalar_variables_expr.
1694 Set the type of an expression to the type of its assign statement.
1695 (expand_scalar_variables_expr): Also gather the scalar computation
1696 used to index the memory access. Do not pass loop_p.
1697 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1698 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1699 the gimple_stmt_iterator where it inserts new code.
1701 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1702 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1704 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1706 * graphite.h (debug_value): Removed.
1707 * graphite.c (debug_value): Removed.
1709 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1711 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1712 ldrd/strd with two 32-bit instructions.
1714 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1716 * config/arm/arm.c (struct processors): Pass for speed down into
1717 cost helper functions.
1718 (const_ok_for_op): Handle COMPARE and inequality nodes.
1719 (arm_rtx_costs_1): Rewrite.
1720 (arm_size_rtx_costs): Update prototype.
1721 (arm_rtx_costs): Pass speed down to helper functions.
1722 (arm_slowmul_rtx_costs): Rework cost calculations.
1723 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1724 (arm_9e_rtx_costs): Likewise.
1726 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1728 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1729 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1730 (alpha_legitimize_address): Do not split local symbols wider than
1731 UNITS_PER_WORD into HIGH/LO_SUM parts.
1733 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1736 * gcc.c (process_command): Replace call to execvp with calls
1737 to pex_one and exit.
1739 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1742 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1743 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1744 variant for devices with 3-byte PC.
1745 (__tablejump_elpm__) : New.
1747 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1750 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1751 offsetof member-designator, handle it as `[0].'.
1753 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1755 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1756 function when not using named sections on targets with named sections
1757 if branch distance is less than 262132.
1759 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1761 * combine.c (combine_instructions): Recompute
1762 optimize_this_for_speed_p for each BB in the main combine loop.
1764 2009-01-12 Tomas Bily <tbily@suse.cz>
1767 * tree-loop-distribution.c (prop_phis): New function.
1768 (generate_builtin): Call prop_phis.
1769 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1771 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1773 PR tree-optimization/38807
1774 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1775 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1777 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1779 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1780 subreg of op0 to the original op0.
1782 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1784 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1786 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1789 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1790 starting with digits.
1792 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1795 * config/arm/arm.c (arm_is_long_call_p): Don't call
1796 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1798 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1800 * regrename.c (regrename_optimize): Fix dumping.
1801 (find_oldest_value_reg): Preserve REG_POINTER.
1802 (copy_hardreg_forward_1): Likewise.
1804 2009-01-09 Diego Novillo <dnovillo@google.com>
1806 * gimple.h (struct gimple_statement_base) <uid>: Document
1807 the restrictions on its use.
1809 (gimple_set_uid): Tidy.
1811 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1813 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1814 zero guard even if align_bytes != 0 and count is smaller than
1817 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1819 PR rtl-optimization/38495
1820 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1821 (add_range_and_copies_from_move_list): Print all added ranges.
1822 Add ranges to memory optimized destination.
1824 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1828 * config/i386/i386.c (override_options): Reject
1829 -mstringop-strategy=rep_8byte with -m32.
1830 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1831 to 1. Do count comparison against epilogue_size_needed at compile
1832 time even when count_exp was constant forced into register. For
1833 size_needed don't jump to epilogue, instead just avoid aligning
1834 and invoke the body algorithm. If need_zero_guard, add zero guard
1835 even if count is non-zero, but smaller than size_needed + number of
1836 bytes that could be stored for alignment.
1837 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1838 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1839 but smaller than size_needed + number of bytes that could be stored
1840 for alignment. Compare size_needed with epilogue_size_needed instead
1841 of desired_align - align, don't adjust size_needed, pass
1842 epilogue_size_needed to the epilogue expanders.
1845 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1847 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1849 * pa.c (last_address): Change to unsigned.
1850 (update_total_code_bytes): Change argument to unsigned. Don't
1851 check if insn addresses are set.
1852 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1853 addresses are not set.
1854 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1856 2009-01-09 Nick Clifton <nickc@redhat.com>
1858 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1859 DECL_DECLARED_INLINE_P.
1861 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1864 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1865 GET_MODE (op0) in operand_subword_force calls.
1868 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1869 fold_convert arg0 operands to TREE_TYPE (op0) first.
1871 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1873 * params.def (ira-max-conflict-table-size): Decrease default value
1876 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1878 PR tree-optimization/37031
1879 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1881 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1882 allocate it using gc instead of heap, use VEC_quick_push instead of
1884 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1885 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1886 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1887 allocated vector from heap allocated.
1888 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1889 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1890 vector only after perfect_loop_nest_depth call.
1892 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1893 Jan Sjodin <jan.sjodin@amd.com>
1895 PR tree-optimization/38559
1896 * graphite.c (debug_value, copy_constraint,
1897 swap_constraint_variables, scale_constraint_variable, ): New.
1898 (get_lower_bound, get_upper_bound): Removed.
1899 (graphite_trans_bb_strip_mine): Clean up this code that works
1900 only for constant number of iterations. Fully copy upper and
1901 lower bound constraints, not only the constant part of them.
1902 * graphite.h (debug_value): Declared.
1904 2009-01-08 Ira Rosen <irar@il.ibm.com>
1906 PR tree-optimization/37194
1907 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1908 Don't add the cost of cost model guard in prologue to scalar
1909 outside cost in case of known number of iterations.
1911 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1912 Alan Modra <amodra@bigpond.net.au>
1914 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1915 non-word-aligned REG+CONST addressing.
1917 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1920 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1921 free_after_compilation when outputting a thunk.
1922 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1923 Do not call free_after_compilation here.
1925 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1927 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1928 (ix86_valid_target_attribute_inner_p): Ditto.
1930 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1932 PR tree-optimization/38492
1933 PR tree-optimization/38498
1934 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1935 * tree-chrec.h (scev_is_linear_expression): Declared.
1936 * graphite.c (graphite_cannot_represent_loop_niter): New.
1937 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1938 (graphite_loop_normal_form): Use gcc_assert.
1939 (scan_tree_for_params): Use CASE_CONVERT.
1940 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1941 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1942 Use gcc_assert. Discard scops that contain unhandled cases.
1943 (build_scop_conditions): Return a boolean status for unhandled cases.
1944 (strip_mine_profitable_p): Print the loop number, not its depth.
1945 (is_interchange_valid): Pass the depth of the loop nest, don't
1946 recompute it wrongly.
1947 (graphite_trans_bb_block): Same.
1948 (graphite_trans_bb_block): Print tentative of loop blocking.
1949 (graphite_trans_scop_block): Do not print that the loop has been
1951 (graphite_transform_loops): Do not handle scops that contain condition
1954 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1956 AVX Programming Reference (December, 2008)
1957 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1958 (_mm256_stream_pd): Likewise.
1959 (_mm256_stream_ps): Likewise.
1961 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1962 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1963 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1964 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1965 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1966 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1967 (ix86_expand_special_args_builtin): Likewise.
1969 * config/i386/sse.md (AVXMODEDI): New.
1970 (avx_movnt<mode>): Likewise.
1971 (avx_movnt<mode>): Likewise.
1972 (<sse>_movnt<mode>): Remove AVX support.
1973 (sse2_movntv2di): Likewise.
1975 2009-01-07 Richard Guenther <rguenther@suse.de>
1978 * fold-const.c (extract_muldiv): Remove obsolete comment.
1979 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1980 to PLUS_EXPR canonicalization for the canonicalization.
1982 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1984 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1985 hosted cross-compilers generating less efficient code.
1987 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1989 * function.h (rtl_data): Add a dbr_scheduled_p field.
1990 * reorg.c (dbr_schedule): Set it.
1991 (gate_handle_delay_slots): Check it.
1992 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1993 (mips_reorg): Check flag_delayed_branch instead of
1994 mips_base_delayed_branch.
1995 (mips_override_options): Don't set mips_base_delayed_branch
1996 or flag_delayed_branch.
1998 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2000 PR rtl-optimization/38426.
2001 * ira.c (ira): Set current_function_is_leaf earlier.
2003 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2005 PR rtl-optimization/38722
2006 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2007 too early, only set a flag and modify after last possible
2010 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2013 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2014 * real.c (decimal_single_format): Correct values of emin and emax.
2015 (decimal_double_format): Ditto.
2016 (decimal_quad_format): Ditto.
2017 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2018 computation of DECnn_MIN and DECnn_MAX for corrected values of
2019 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2020 __DECnn_MIN__, and adjust its computation for the corrected value
2023 2009-01-06 Jan Hubicka <jh@suse.cz>
2026 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2028 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2030 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2031 Add Robert Clark to the list of testers.
2033 2009-01-06 Jan Hubicka <jh@suse.cz>
2034 Kai Tietz <kai.tietz@onevision.com>
2036 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2037 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2039 2009-01-06 Jan Hubicka <jh@suse.cz>
2040 Kai Tietz <kai.tietz@onevision.com>
2042 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2044 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2045 (ix86_nsaved_regs): Count only general purpose regs.
2046 (ix86_nsaved_sseregs): New.
2047 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2048 to 16 for w64; compute padding and size of sse reg save area.
2049 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2050 general purpose regs.
2051 (ix86_emit_save_sse_regs_using_mov): New.
2052 (ix86_expand_prologue): Save SSE regs if needed.
2053 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2054 (ix86_emit_restore_sse_regs_using_mov): New.
2055 (ix86_expand_epilogue): Save SSE regs if needed.
2057 2009-01-06 Jan Hubicka <jh@suse.cz>
2058 Kai Tietz <kai.tietz@onevision.com>
2060 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2061 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2062 functions when accumulate outgoing args is off.
2064 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2067 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2068 before using pseudos_have_intersected_live_ranges_p.
2070 * ira-int.h (ira_assert): Always define.
2072 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2074 AVX Programming Reference (December, 2008)
2075 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2076 (_mm256_permute2_pd): Likewise.
2077 (_mm_permute2_ps): Likewise.
2078 (_mm256_permute2_ps): Likewise.
2079 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2080 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2082 * config/i386/i386.c (ix86_builtins): Remove
2083 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2084 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2085 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2086 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2087 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2088 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2089 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2090 __builtin_ia32_vpermil2ps256.
2091 (ix86_init_mmx_sse_builtins): Updated.
2092 (ix86_expand_args_builtin): Likewise.
2094 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2096 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2097 long absolute calls when generating PA 2.0 code.
2099 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2101 PR rtl-optimization/38583
2102 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2104 * params.def (ira-max-conflict-table-size): New.
2106 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2108 * ira.h (ira_conflicts_p): New external definition.
2110 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2111 table. Report this. Return result of building.
2112 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2113 building conflict table.
2115 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2116 (ira_color): Use ira_conflicts_p.
2118 * global.c: Include ira.h.
2119 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2122 * Makefile.in (global.o): Add ira.h.
2124 * ira-build.c (mark_all_loops_for_removal,
2125 propagate_some_info_from_allocno): New.
2126 (remove_unnecessary_allocnos): Call
2127 propagate_some_info_from_allocno.
2128 (remove_low_level_allocnos): New.
2129 (remove_unnecessary_regions): Add parameter. Call
2130 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2131 parameter to remove_unnecessary_regions.
2132 (ira_build): Remove all regions but root if the conflict table was
2133 not built. Update conflict hard regs for allocnos crossing calls.
2135 * ira.c (ira_conflicts_p): New global.
2136 (ira): Define and use ira_conflicts_p.
2138 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2139 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2140 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2142 2009-01-06 Ben Elliston <bje@au.ibm.com>
2144 * gengtype-lex.l (YY_NO_INPUT): Define.
2146 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2149 * c-common.c (handle_vector_size_attribute): Also reject
2152 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2154 PR tree-optimization/38492
2155 * graphite.c (rename_map_elt, debug_rename_elt,
2156 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2157 rename_map_elt_info, eq_rename_map_elts,
2158 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2159 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2160 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2161 (sese_build_livein_liveouts): New.
2162 (new_sese, free_sese): New.
2163 (new_scop): Call new_sese.
2164 (free_scop): Call free_sese.
2165 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2166 (register_old_new_names): Renamed register_old_and_new_names.
2167 (register_scop_liveout_renames, add_loop_exit_phis,
2168 insert_loop_close_phis, struct igp,
2169 default_liveout_before_guard, add_guard_exit_phis,
2170 insert_guard_phis, copy_renames): New.
2171 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2172 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2173 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2174 (scop_adjust_phis_for_liveouts): New.
2175 (gloog): Call scop_adjust_phis_for_liveouts.
2177 * graphite.h (struct sese): Documented. Added fields liveout,
2179 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2180 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2181 (struct scop): Added field liveout_renames.
2182 (SCOP_LIVEOUT_RENAMES): New.
2184 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2186 PR tree-optimization/38510
2187 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2188 (translate_clast): Call recompute_all_dominators before
2190 (gloog): Call recompute_all_dominators before graphite_verify.
2192 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2193 Jan Sjodin <jan.sjodin@amd.com>
2195 PR tree-optimization/38500
2196 * graphite.c (create_sese_edges): Call fix_loop_structure after
2199 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2201 * config.gcc: Add m32r*-*-rtems*.
2202 * config/m32r/rtems.h: New file.
2204 2009-01-05 Ben Elliston <bje@au.ibm.com>
2206 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2207 (.po.pox): Likewise.
2208 (po/gcc.pot): Likewise.
2210 2009-01-04 David S. Miller <davem@davemloft.net>
2212 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2213 (STARTING_FRAME_OFFSET): Always set to zero.
2215 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2217 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2218 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2219 fixed-point types, and vectors of the same.
2221 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2223 * config/mips/sync.md (*mb_barrier): Rename to...
2224 (*memory_barrier): ...this.
2226 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2228 * doc/extend.texi (Function Attributes): Move @cindex after @item
2229 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2230 and put in alphabetical order. Fix 'target' name and put in order.
2231 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2234 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2236 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2237 (memory_barrier): Expand as unspec instead of unspec_volatile.
2238 Remove mem:BLK from insn operands. Use Pmode scratch register.
2239 (*memory_barrier): Define as unspec instead of unspec_volatile.
2240 Use (match_dup 0) as input operand.
2242 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2243 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2244 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2245 scratch register. Remove operand 1.
2246 (*stbar): Define as unspec instead of unspec_volatile.
2247 Use (match_dup 0) as input operand, remove (const_int 8).
2248 (*membar): Define as unspec instead of unspec_volatile.
2249 Use (match_dup 0) as input operand, remove input operand 2.
2251 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2252 (memory_barrier): Expand as unspec instead of unspec_volatile.
2253 Remove mem:BLK from insn operands. Use Pmode scratch register.
2254 (*memory_barrier): Define as unspec instead of unspec_volatile.
2255 Use (match_dup 0) as input operand.
2257 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2258 Remove mem:BLK from insn operands. Use Pmode scratch register.
2259 Set volatile flag on operand 0.
2260 (*memory_barrier): New insn pattern.
2262 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2264 (*memory_barrier): Use (match_dup 0) as input operand.
2266 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2267 Remove mem:BLK from insn operands. Use Pmode scratch register.
2268 Set volatile flag on operand 0.
2269 (*mb_internal): New insn pattern.
2271 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2273 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2276 * function.c (struct temp_slot): Move to the section of the file
2277 that deals with temp slots. Remove field 'address'.
2278 (temp_slot_address_table): New hash table of address -> temp slot.
2279 (struct temp_slot_address_entry): New struct, items for the table.
2280 (temp_slot_address_compute_hash, temp_slot_address_hash,
2281 temp_slot_address_eq, insert_temp_slot_address): Support functions
2283 (find_temp_slot_from_address): Rewrite to use the new hash table.
2284 (remove_unused_temp_slot_addresses): Remove addresses of temp
2285 slots that have been made available.
2286 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2287 worker function for remove_unused_temp_slot_addresses.
2288 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2289 Add the temp slot address to the address -> temp slot map.
2290 (update_temp_slot_address): Update via insert_temp_slot_address.
2291 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2292 (pop_temp_slots): Likewise.
2293 (init_temp_slots): Allocate the address -> temp slot map, or empty
2294 the map if it is already allocated.
2295 (prepare_function_start): Initialize temp slot processing.
2297 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2300 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2301 Calculate the size of all stack vars assuming no packing of stack
2302 vars will happen, replacing a quadratic algorithm with a linear one.
2304 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2307 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2310 2009-01-03 Diego Novillo <dnovillo@google.com>
2312 * doc/contrib.texi: Update contributions.
2314 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2317 * builtins.c (fold_builtin_memory_op): Give up if either operand
2318 is volatile. Set srctype or desttype to non-qualified version
2322 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2325 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2327 PR rtl-optimization/35805
2328 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2329 problem if fast dce is able to remove any instructions.
2330 * dce.c (dce_process_block): Fix dump message.
2332 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2335 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2337 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2340 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2341 * tree-pretty-print.c (op_code_prio): New function.
2342 (op_prio): No longer static. Use op_code_prio.
2343 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2344 Use op_prio and op_code_prio to determine if () should be
2345 printed around operand(s) or not.
2347 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2348 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2349 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2350 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2351 pp_character instead of pp_string for single letter printing.
2353 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2355 * doc/extend.texi: Fix '#pragma GCC option' typo.
2357 2009-01-02 Richard Guenther <rguenther@suse.de>
2359 * doc/install.texi (--enable-checking): Mention different
2361 (--enable-stage1-checking): Document.
2363 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2366 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2367 case to be an error.
2369 2009-01-02 Ben Elliston <bje@au.ibm.com>
2371 * config/fp-bit.h (pack_d): Constify argument.
2372 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2373 (isnan): Constify argument.
2377 (_fpadd_parts): Constify return type.
2378 (_fpmul_parts): Likewise.
2379 (_fpdiv_parts): Likewise.
2381 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2384 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2385 warn about overwriting initializer with side-effects or
2386 -Woverride-init if !IMPLICIT.
2387 (output_init_element): Likewise. Pass IMPLICIT down to
2389 (process_init_element): Add IMPLICIT argument. Pass it down
2390 to output_init_element.
2391 (push_init_element, pop_init_level, set_designator): Adjust
2392 process_init_element callers.
2393 (set_nonincremental_init, set_nonincremental_init_from_string):
2394 Adjust add_pending_init callers.
2395 (output_pending_init_elements): Adjust output_init_element callers.
2396 * c-tree.h (process_init_element): Adjust prototype.
2397 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2398 process_init_element callers.