1 2009-02-24 Julian Brown <julian@codesourcery.com>
4 * config/arm/arm.c (require_pic_register): Only set
5 cfun->machine->pic_reg once per function.
7 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
9 * doc/invoke.texi (Link Options): Document an easier way to pass
10 options that take arguments to the GNU linker using -Xlinker and
13 2009-02-24 Steve Ellcey <sje@cup.hp.com>
16 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
18 2009-02-24 Richard Guenther <rguenther@suse.de>
21 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
23 2009-02-24 Richard Guenther <rguenther@suse.de>
24 Zdenek Dvorak <ook@ucw.cz>
26 PR tree-optimization/39233
27 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
28 from converting them to a generic type.
30 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
32 PR tree-optimization/39260
33 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
34 contains a condition with a real type.
35 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
37 2009-02-23 Jason Merrill <jason@redhat.com>
40 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
41 narrowing_initializer_constant_valid_p.
42 (narrowing_initializer_constant_valid_p): Don't return
43 null_pointer_node for adding a pointer to itself.
45 2009-02-23 Jan Hubicka <jh@suse.cz>
48 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
50 2009-02-23 Jan Hubicka <jh@suse.cz>
52 PR tree-optimization/37709
53 * tree.c (block_ultimate_origin): Move here from dwarf2out.
54 * tree.h (block_ultimate_origin): Declare.
55 * dwarf2out.c (block_ultimate_origin): Move to tree.c
56 * tree-ssa-live.c (remove_unused_scope_block_p):
57 Eliminate blocks containig no instructions nor live variables nor
59 (dump_scope_block): New function.
60 (remove_unused_locals): Enable removal of dead blocks by default;
61 enable dumping at TDF_DETAILS.
63 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
65 * config/i386/i386.c (classify_argument): Don't allow COImode
67 (function_arg_advance_32): Don't allow OImode.
68 (function_arg_32): Likewise.
69 (function_value_32): Likewise.
70 (return_in_memory_32): Likewise.
71 (function_arg_64): Remove OImode comment.
73 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
76 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
77 ix86_expand_vector_set for V4DImode in 64bit mode only.
78 (ix86_expand_vector_init_one_var): Likewise.
80 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
82 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
84 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
87 * loop-iv.c: Revert last change.
88 * emit-rtl.c: Likewise.
90 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
93 * config/i386/i386.c (type_natural_mode): Remove an extra
94 space in the warning message.
95 (function_value_32): Handle 32-byte vector modes.
96 (return_in_memory_32): Likewise.
98 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
100 * loop-iv.c (truncate_value): New function.
101 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
103 (lowpart_subreg): Move to...
104 * emit-rtl.c: ...here.
106 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
108 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
109 accidental and undocumented change at revision 140860.
111 2009-02-21 Joseph Myers <joseph@codesourcery.com>
113 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
114 take gimple_seq * arguments.
115 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
116 types_compatible_p langhook.
118 2009-02-20 Mark Mitchell <mark@codesourcery.com>
119 Joseph Myers <joseph@codesourcery.com>
121 * config/arm/arm.c (arm_builtin_va_list): New function.
122 (arm_expand_builtin_va_start): Likewise.
123 (arm_gimplify_va_arg_expr): Likewise.
124 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
125 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
126 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
127 (va_list_type): New variable.
128 (arm_mangle_type): Mangle va_list_type appropriately.
130 2009-02-20 Jakub Jelinek <jakub@redhat.com>
133 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
134 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
135 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
136 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
137 parameter to 1000 for -O1 by default.
138 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
140 * loop-invariant.c: Include params.h.
141 (move_loop_invariants): Don't call move_single_loop_invariants on
144 2009-02-20 Jaka Mocnik <jaka@xlab.si>
146 * calls.c (emit_library_call_value_1): Use slot_offset instead of
147 offset when calculating bounds for indexing stack_usage_map. Fixes
148 a buffer overflow with certain target setups.
150 2009-02-20 Jakub Jelinek <jakub@redhat.com>
153 * calls.c (expand_call): Clear try_tail_call if caller and callee
154 disagree in promotion of function return value.
156 2009-02-19 Jakub Jelinek <jakub@redhat.com>
159 * c-common.c (c_determine_visibility): If visibility changed and
160 DECL_RTL has been already set, call make_decl_rtl to update symbol
163 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
166 * varasm.c (assemble_variable): Don't check DECL_NAME when
167 globalizing a variable.
169 2009-02-19 Joseph Myers <joseph@codesourcery.com>
172 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
173 expression before any __builtin_trap call.
174 * c-typeck.c (build_function_call): Convert and check function
175 arguments before generating a call to a trap. Evaluate the
176 function arguments before the trap.
178 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
181 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
182 (UNSPEC_FXAM_MEM): New unspec.
183 (fxam<mode>2_i387_with_temp): New insn and split pattern.
184 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
185 memory using fxam<mode>2_i387_with_temp to remove excess precision.
187 2009-02-19 Richard Guenther <rguenther@suse.de>
189 PR tree-optimization/39207
190 PR tree-optimization/39074
191 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
192 storedanything_tree): New.
193 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
194 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
195 (build_succ_graph): Add edges from STOREDANYTHING to all
197 (init_base_vars): Initialize STOREDANYTHING.
198 (compute_points_to_sets): Free substitution info after
199 building the succ graph.
200 (ipa_pta_execute): Likewise.
202 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
204 (do_ds_constraint): Do not add to special var or non-pointer
206 (type_could_have_pointers): Split out from ...
207 (could_have_pointers): ... here. For arrays use the element type.
208 (create_variable_info_for): Initialize may_have_pointers.
209 (new_var_info): Likewise.
210 (handle_lhs_call): Make the HEAP variable unknown-sized.
211 (intra_create_variable_infos): Use a type with pointers for
212 PARM_NOALIAS, make it unknown-sized.
214 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
217 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
219 2009-02-18 Jason Merrill <jason@redhat.com>
222 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
223 value if DECL_EXTERNAL.
224 * tree-sra.c (sra_walk_gimple_assign): Likewise.
225 * target.h (gcc_target::binds_local_p): Clarify "module".
226 * tree.h (TREE_PUBLIC): Clarify "module".
228 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
231 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
232 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
234 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
237 * c.opt (Wabi): Support C and ObjC.
240 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
242 * config/i386/i386.c (classify_argument): Warn once about the ABI
243 change when passing union with long double.
245 * doc/invoke.texi: Update -Wabi for warning psABI changes.
247 2009-02-18 Joseph Myers <joseph@codesourcery.com>
250 * c-parser.c (c_parser_compound_statement): Always enter and leave
253 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
256 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
258 2009-02-18 Jakub Jelinek <jakub@redhat.com>
260 PR tree-optimization/36922
261 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
262 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
265 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
267 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
270 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
272 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
274 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
276 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
279 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
280 Richard Sandiford <rdsandiford@googlemail.com>
282 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
283 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
284 (loongson_biadd): ...this.
286 2009-02-17 Richard Guenther <rguenther@suse.de>
288 PR tree-optimization/39202
289 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
290 a var make sure to follow existing collapses.
292 2009-02-17 Richard Guenther <rguenther@suse.de>
295 * langhooks.c (lhd_print_error_function): Check for NULL block.
297 2009-02-17 Richard Guenther <rguenther@suse.de>
299 PR tree-optimization/39204
300 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
303 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
305 * config/soft-fp/double.h: Update from glibc CVS.
307 2009-02-17 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/39207
310 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
311 strict-aliasing warnings for pointers pointing to NULL.
313 2009-02-16 Joseph Myers <joseph@codesourcery.com>
316 * c-parser.c (c_parser_braced_init): Call pop_init_level when
317 skipping until next close brace.
319 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
322 * config/i386/i386.c (ix86_expand_push): Set memory alignment
323 to function argument boundary.
325 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
327 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
328 in the lea_add. Reload eventually constraints it properly.
329 * config/picochip/constraints.md : Remove the target constraint
330 "b", since it is not needed anymore.
332 2009-02-16 Jakub Jelinek <jakub@redhat.com>
334 * gthr-dce.h: Uglify function parameter and local variable names.
335 * gthr-gnat.h: Likewise.
336 * gthr-mipssde.h: Likewise.
337 * gthr-nks.h: Likewise.
338 * gthr-posix95.h: Likewise.
339 * gthr-posix.h: Likewise.
340 * gthr-rtems.h: Likewise.
341 * gthr-single.h: Likewise.
342 * gthr-solaris.h: Likewise.
343 * gthr-tpf.h: Likewise.
344 * gthr-vxworks.h: Likewise.
345 * gthr-win32.h: Likewise.
347 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
350 * config/i386/i386.md: Restrict the new peephole2 to move
351 between MMX/SSE registers.
353 2009-02-15 Richard Guenther <rguenther@suse.de>
356 2009-02-13 Richard Guenther <rguenther@suse.de>
358 * configure.ac: Enable LFS.
359 * configure: Re-generate.
360 * config.in: Likewise.
362 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
364 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
365 spu_srqwbyte, spu_srqwbytebc): Define.
366 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
367 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
368 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
369 "shrqby_<mode>"): New insn-and-split patterns.
370 * config/spu/spu.c (expand_builtin_args): Determine and return
371 number of operands using spu_builtin_description data.
372 (spu_expand_builtin_1): Use it.
374 2009-02-13 Steve Ellcey <sje@cup.hp.com>
377 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
380 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
383 * config/i386/i386.c (override_options): Correct warning
384 messages for -malign-loops, -malign-jumps and -malign-functions.
386 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
389 * config/i386/i386.md: Restrict the new peephole2 to move
390 between the general purpose registers.
392 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
395 * config/i386/i386.c (type_natural_mode): Add a new argument.
396 Return the original mode and warn ABI change if vector size is 32byte.
397 (function_arg_advance): Updated.
398 (function_arg): Likewise.
399 (ix86_function_value): Likewise.
400 (ix86_return_in_memory): Likewise.
401 (ix86_sol10_return_in_memory): Likewise.
402 (ix86_gimplify_va_arg): Likewise.
403 (function_arg_32): Don't warn ABX ABI change here.
404 (function_arg_64): Likewise.
406 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
408 * loop-iv.c (implies_p): In the final case, test that operands 0
409 of the two comparisons match.
411 * config/bfin/bfin.c (find_prev_insn_start): New function.
412 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
413 (find_next_insn_start): Move.
415 2009-02-13 Richard Guenther <rguenther@suse.de>
417 * configure.ac: Enable LFS.
418 * configure: Re-generate.
419 * config.in: Likewise.
421 2009-02-13 Joseph Myers <joseph@codesourcery.com>
424 * c-parser.c (c_parser_parms_list_declarator): Discard pending
425 sizes on syntax error after some arguments have been parsed.
427 2009-02-12 Jakub Jelinek <jakub@redhat.com>
429 * doc/invoke.texi (-fira): Remove.
431 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
433 * caller-save.c: Replace regclass.c with reginfo.c in comments.
437 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
439 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
440 (umul_ppmm): Likewise.
441 (count_leading_zeros): Likewise.
442 (count_trailing_zeros): Likewise.
443 (UMUL_TIME): Likewise.
445 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
447 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
448 soft-fp/t-softfp to tmake_file.
450 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
451 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
452 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
453 IA64_BUILTIN_INFQ]: New.
454 (ia64_init_builtins): Initialize __builtin_infq,
455 __builtin_fabsq and __builtin_copysignq if not HPUX.
456 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
457 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
459 * config/ia64/lib1funcs.asm (__divtf3): Define only if
461 (__fixtfti): Likewise.
462 (__fixunstfti): Likewise.
463 (__floattitf): Likewise.
465 * config/ia64/libgcc-glibc.ver: New.
466 * config/ia64/t-fprules-softfp: Likewise.
467 * config/ia64/sfp-machine.h: Likewise.
469 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
470 (LIBGCC2_TF_CEXT): Likewise.
472 (TARGET_INIT_LIBFUNCS): Likewise.
474 * config/ia64/t-glibc (SHLINB_MAPFILES):
475 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
477 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
479 * config/i386/i386.c (construct_container): Rewrite processing
480 BLKmode with X86_64_SSE_CLASS.
482 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
485 * config/i386/i386.md: Replace simplify_replace_rtx with
486 replace_rtx in the new peephole2.
488 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
490 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
491 loop unrolling do not happen at -O2.
493 2009-02-12 Michael Matz <matz@suse.de>
495 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
497 2009-02-12 Jakub Jelinek <jakub@redhat.com>
499 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
502 2009-02-12 Ben Elliston <bje@au.ibm.com>
504 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
505 patterns when updating the back chain. Missed in the 2009-02-10
508 2009-02-11 Janis Johnson <janis187@us.ibm.com>
510 * doc/extend.texi (Decimal Floating Types): Update identifier of
511 draft TR and list of missing support.
513 2009-02-11 Jakub Jelinek <jakub@redhat.com>
516 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
517 bit to variable length decl's flags, add it also to its
518 pointer replacement variable.
520 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
521 Jakub Jelinek <jakub@redhat.com>
524 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
525 (memory_blockage): New expander.
526 (*memory_blockage): New insn pattern.
527 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
528 instead of general blockage at the end of function prologue when
529 frame pointer is used to access red zone area. Do not emit blockage
530 when profiling, it is emitted in generic code.
531 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
532 function epilogue when frame pointer is used to access red zone area.
534 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
537 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
538 by arithmetic with memory operands.
539 * config/i386/predicates.md (commutative_operator): New.
541 2009-02-10 Janis Johnson <janis187@us.ibm.com>
543 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
546 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
548 * alias.h (record_alias_subset): Declare.
549 * alias.c (record_alias_subset): Make global.
551 2009-02-10 Nick Clifton <nickc@redhat.com>
553 * tree-parloops.c: Change license to GPLv3.
554 * ipa-struct-reorg.c: Change license to GPLv3.
555 * ipa-struct-reorg.h: Change license to GPLv3.
557 2009-02-10 Steve Ellcey <sje@cup.hp.com>
560 * c-decl.c (start_struct): Return NULL on error.
562 2009-02-10 Jakub Jelinek <jakub@redhat.com>
565 * cfgloopmanip.c (remove_path): Call remove_bbs after
566 cancel_loop_tree, not before it.
569 * function.h (struct function): Add has_local_explicit_reg_vars bit.
570 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
572 * tree-ssa-live.c (remove_unused_locals): Recompute
573 cfun->has_local_explicit_reg_vars.
574 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
575 copies or clearings if cfun->has_local_explicit_reg_vars.
577 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
580 * config/i386/i386.c (expand_prologue): Emit blockage at the end
581 of function prologue when frame pointer is used to access
584 2009-02-10 Richard Guenther <rguenther@suse.de>
587 * gimplify.c (gimple_regimplify_operands): Always look if
588 we need to create a temporary.
590 2009-02-10 Richard Guenther <rguenther@suse.de>
592 PR tree-optimization/39132
593 * tree-loop-distribution.c (todo): New global var.
594 (generate_memset_zero): Trigger TODO_rebuild_alias.
595 (tree_loop_distribution): Return todo.
597 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
600 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
601 (x86_64_reg_class_name): Removed.
602 (classify_argument): Return 0 if bytes > 32. Return 0 if the
603 first one isn't X86_64_SSE_CLASS or any other ones aren't
604 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
605 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
606 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
607 and 3 X86_64_SSEUP_CLASS.
608 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
609 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
611 2009-02-10 Ben Elliston <bje@au.ibm.com>
613 * config/rs6000/rs6000.md (allocate_stack): Always use an update
614 form instruction to update the stack back chain word, even if the
615 user has disabled the generation of update instructions.
616 (movdi_<mode>_update_stack): New.
617 (movsi_update_stack): Likewise.
618 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
619 always use an update form instruction to update the stack back
622 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
625 * graphite.c (if_region_set_false_region): After moving a region in
626 the false branch of a condition, remove the empty dummy basic block.
627 (gloog): Remove wrong fix for PR38953.
629 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
631 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
632 generation due to implicit sign extension.
634 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
637 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
638 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
640 2009-02-09 Richard Guenther <rguenther@suse.de>
643 * convert.c (convert_to_real): Disable (float)fn((double)x)
644 to fnf(x) conversion if errno differences may occur and
647 2009-02-07 Anatoly Sokolov <aesok@post.ru>
649 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
650 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
651 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
653 2009-02-06 Joseph Myers <joseph@codesourcery.com>
656 * c-common.c (handle_alias_attribute): Disallow attribute for
657 anything not a FUNCTION_DECL or VAR_DECL.
659 2009-02-06 Janis Johnson <janis187@us.ibm.com>
662 * real.c (do_compare): Special-case compare of zero against
665 2009-02-06 Joseph Myers <joseph@codesourcery.com>
668 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
669 as indicating flexible array members unless the field itself is
670 being declarared as the incomplete array.
672 2009-02-06 Jan Hubicka <jh@suse.cz>
674 PR tree-optimization/38844
675 * ipa-inline.c (try_inline): Stop inlining recursion when edge
678 2009-02-06 Richard Guenther <rguenther@suse.de>
681 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
682 fork because we may expand it as __gcov_fork.
684 2009-02-06 Nick Clifton <nickc@redhat.com>
686 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
688 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
690 PR tree-optimization/35659
691 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
692 vn_phi_eq): Shortcut if hashcode does not match.
693 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
695 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
696 and avoid iterative_hash_expr.
697 (FOR_EACH_VALUE_ID_IN_SET): New.
698 (value_id_compare): Remove.
699 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
700 sort expressions by value id.
702 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
705 * config/sh/predicates.md (general_movsrc_operand): Don't check
706 the subreg of system registers here.
708 2009-02-05 Jakub Jelinek <jakub@redhat.com>
711 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
714 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
716 PR rtl-optimization/39110
717 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
718 addresses, not aligned ones.
720 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
721 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/39100
724 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
725 comment says and add edges.
727 2009-02-05 Joseph Myers <joseph@codesourcery.com>
730 * c-common.c (handle_tls_model_attribute): Ignore attribute for
731 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
733 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
735 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
736 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
737 register_bb_in_sese, new_sese, free_sese): Moved.
738 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
739 outermost_loop_in_scop, build_scop_iteration_domain,
740 expand_scalar_variables_ssa_name, get_vdef_before_scop,
741 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
742 Use loop_in_sese_p instead of loop_in_scop_p.
743 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
744 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
745 (scopdet_basic_block_info): Fix bug in scop detection.
746 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
747 eq_loop_to_cloog_loop): Remove.
748 (nb_loops_around_loop_in_scop, nb_loop
749 ref_nb_loops): Moved here...
750 * graphite.h (ref_nb_loops): ... from here.
751 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
752 (loop_domain_dim, loop_iteration_vector_dim): Remove.
753 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
754 * testsuite/gcc.dg/graphite/scop-19.c: New
756 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
757 Hans-Peter Nilsson <hp@axis.com>
759 PR rtl-optimization/37889
760 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
761 Move offset handling from PLUS to before the switch. Use new
762 arguments when considering SYMBOL_REFs too.
763 (rtx_addr_can_trap_p): Pass dummy offset and size.
764 (enum may_trap_p_flags): Remove.
765 (may_trap_p_1): Pass size from MEM_SIZE.
767 PR rtl-optimization/38921
768 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
769 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
770 * rtlanal.c (may_trap_after_code_motion_p): Delete.
771 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
773 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
775 AVX Programming Reference (January, 2009)
776 * config/i386/sse.md (*vpclmulqdq): New.
778 2009-02-04 Jakub Jelinek <jakub@redhat.com>
780 PR tree-optimization/38977
781 PR gcov-profile/38292
782 * calls.c (special_function_p): Disregard __builtin_ prefix.
784 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
786 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
787 non-indexable addresses even before reload.
789 2009-02-03 Joseph Myers <joseph@codesourcery.com>
792 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
793 as having variable size. Do not give an error for unnamed
794 parameters with [*] declarators. Give a warning for type names
795 with [*] declarators and mark them as variable size.
796 * c-parser.c (c_parser_sizeof_expression): Do not give an error
797 for sizeof applied to [*] type names.
799 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
802 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
804 2009-02-03 Jakub Jelinek <jakub@redhat.com>
806 * gcc.c (process_command): Update copyright notice dates.
807 * gcov.c (print_version): Likewise.
808 * gcov-dump.c (print_version): Likewise.
809 * mips-tfile.c (main): Likewise.
810 * mips-tdump.c (main): Likewise.
812 2009-02-03 Joseph Myers <joseph@codesourcery.com>
815 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
816 for composite type involving a zero-length array type.
818 2009-02-03 Jakub Jelinek <jakub@redhat.com>
821 * function.c (match_asm_constraints_1): Skip over
822 initial optional % in the constraint.
825 * c-parser.c (c_parser_postfix_expression): If fixed point is not
826 supported, don't accept FIXED_CSTs.
827 * c-decl.c (finish_declspecs): Error if fixed point is not supported
828 and _Sat is used without _Fract/_Accum. Set specs->type to
829 integer_type_node for cts_fract/cts_accum if fixed point is not
832 2009-02-02 Catherine Moore <clm@codesourcery.com>
834 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
836 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
838 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
839 (ABI_HAS_64BIT_SYMBOLS): Use it.
840 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
842 2009-02-02 Paul Brook <paul@codesourcery.com>
844 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
846 2009-02-02 Jakub Jelinek <jakub@redhat.com>
849 * recog.h (asm_operand_ok): Add constraints argument.
850 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
851 recurse on matching constraint.
852 (check_asm_operands): Pass constraints as 3rd argument to
853 asm_operand_ok. Don't look up matching constraint here.
854 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
857 2009-02-02 Ben Elliston <bje@au.ibm.com>
859 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
860 TARGET_NARROW_VOLATILE_BITFIELD macro names.
862 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
864 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
865 information. Remove some obsolete information. Reorganize.
867 * config/pa/fptr.c: Revert license to GPL 2.
868 * config/pa/milli64.S: Likewise.
870 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
873 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
874 LIBRARY name in, instead of hard-coding it.
875 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
876 extra target make frag to tmake_files according to EH model.
877 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
878 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
879 frags that define makefile variable EH_MODEL appropriately.
880 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
881 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
882 to "-sjlj" according to type of EH configured.
883 (LIBGCC_SONAME): Concatenate it to shared library base name.
884 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
885 to "_sjlj" according to type of EH configured.
886 (LIBGCC_SONAME): Concatenate it to shared library base name.
887 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
888 (SHLIB_LINK): Add missing semicolon to if-else construct.
889 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
890 string value of "pe_dll" command-line option.
891 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
892 (SHLIB_SONAME): Use it when overriding t-cygming default.
893 (SHLIB_IMPLIB): Override t-cygming default.
894 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
895 string value of "pe_dll" command-line option.
897 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
900 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
901 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
903 2009-01-31 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/38937
906 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
907 computing the transitive closure.
909 2009-01-30 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/39041
912 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
913 Propagate variable indices only if the types match for this stmt.
915 2009-01-30 Jakub Jelinek <jakub@redhat.com>
918 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
919 inline but never defined.
921 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
923 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
924 (*insv_h_di_reg_extimm): New insn.
925 (*insv_l<mode>_reg_extimm): New insn.
927 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
929 * config/picochip/picochip.c (flag_conserve_stack): set
930 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
931 fconserve-stack. Reduce call-overhead used by inliner.
933 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
936 * common.opt (flag_conserve_stack): Initialised to zero.
938 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
941 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
942 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
945 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
947 * ira-color.c (allocno_reload_assign): Update comments.
948 * regmove.c (regmove_optimize): Likewise.
952 2009-01-29 Robert Millan <rmh@aybabtu.com>
954 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
955 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
957 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
959 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
961 PR tree-optimization/39007
962 * tree-loop-distribution.c (generate_builtin): Use
963 recompute_dominator to compute the immediate dominator of the
964 basic block just after the loop.
966 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
968 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
969 (ASM_OUTPUT_DWARF_PCREL): Define.
971 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
973 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
974 * doc/passes.texi: Remove entries about regclass, local-alloc, and
975 global. Modify entries about regmove and IRA.
977 * ra-conflict.c: Remove the file.
979 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
981 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
982 (pass_regclass_init): Rename to pass_reginfo_init.
984 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
986 * toplev.h (flag_ira): Remove.
988 * caller-save.c (setup_save_areas): Remove flag_ira.
990 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
992 * global.c: Remove the file.
994 * opts.c: (decode_options): Remove flag_ira.
996 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
998 * regmove.c: Modify file description.
999 (find_use_as_address, try_auto_increment): Define them only if
1000 AUTO_INC_DEC is defined.
1001 (replacement_quality, replace_in_call_usage, fixup_match_1,
1002 stable_and_no_regs_but_for_p): Remove.
1003 (reg_set_in_bb): Make it static.
1004 (regmove_optimize): Remove flag_ira and code which worked for
1007 * local-alloc.c: Remove the file.
1009 * common.opt (fira): Remove.
1011 * ira.c: Include except.h.
1012 (eliminable_regset): Move from global.c.
1013 (mark_elimination): Ditto. Remove flag_ira.
1014 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1015 equiv_mem_modified, validate_equiv_mem_from_store,
1016 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1017 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1018 no_equiv, recorded_label_ref): Move from local-alloc.c.
1019 (update_equiv_regs): Ditto. Make it static.
1020 (print_insn_chain, print_insn_chains): Move it from global.c.
1021 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1022 (build_insn_chain): Ditto. Make it static.
1023 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1024 Rename to init_live_subregs.
1025 (gate_ira): Remove flag_ira.
1027 * regclass.c: Rename reginfo.c. Change file description.
1028 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1029 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1030 (init_reg_sets_1): Remove code for evaluation of
1031 reg_class_superclasses and losing_caller_save_reg_set.
1032 (init_regs): Remove init_reg_autoinc.
1033 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1034 ok_for_base_p_nonstrict): Remove.
1035 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1036 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1037 corresponding entries.
1038 (dump_regclass, record_operand_costs, scan_one_insn,
1039 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1040 record_address_regs, auto_inc_dec_reg_p): Remove.
1041 (gt-regclass.h): Rename to gt-reginfo.h.
1043 * rtl.h (dump_global_regs, retry_global_alloc,
1044 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1046 * Makefile.in (RA_H): Remove.
1047 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1048 Rename regclass.o to reginfo.o.
1049 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1051 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1052 (GTFILES): Rename regclass.c to reginfo.c.
1054 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1055 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1057 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1058 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1060 (finish_spills): Ditto. Remove code for !flag_ira.
1062 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1065 * doc/invoke.texi (rtl debug options): Complete rewrite.
1066 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1068 * mode-switching.c (pass_mode_switching): Rename pass from
1069 "mode-sw" to "mode_sw".
1070 * except.c (pass_convert_to_eh_ranges): Rename pass from
1071 "eh-ranges" to "eh_ranges".
1072 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1076 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1077 Alexander Monakov <amonakov@ispras.ru>
1080 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1082 (move_exprs_to_boundary): Change return type and pass through
1083 should_move from move_op. Relax assert. Update usage ...
1084 (schedule_expr_on_boundary): ... here. Use should_move instead of
1086 (move_op_orig_expr_found): Indicate that insn was disconnected from
1088 (code_motion_process_successors): Do not call after_merge_succs
1089 callback if original expression was not found when traversing any of
1091 (code_motion_path_driver): Change return type. Update prototype.
1092 (move_op): Update comment. Add a new parameter (should_move). Update
1093 prototype. Set *should_move based on indication provided by
1094 move_op_orig_expr_found.
1096 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1098 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1099 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1100 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1101 * config/rs6000/rs6000.c (rs6000_override_options): Default
1102 avoid-indexed-addresses on for Power6, off for everything else.
1103 (avoiding_indexed_address_p): New function.
1104 (rs6000_legitimize_address): Use it.
1105 (rs6000_legitimate_address): Likewise.
1106 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1108 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1110 PR tree-optimization/38997
1111 * tree-loop-distribution.c (generate_memset_zero): Use
1112 POINTER_PLUS_EXPR for a pointer addition.
1114 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1116 * config/s390/s390.md (bswap<mode>2): New pattern added.
1118 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1120 * config/s390/s390.md (*tls_load_31): Added type attribute.
1122 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1124 * config/s390/s390.md: Fix a few comments.
1126 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1128 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1129 (*tm<mode>_full): Fixed z10prop attribute.
1130 (*tst<mode>_extimm): Fixed z10prop attribute.
1131 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1132 (*tstqiCCT_cconly): Fixed z10prop attribute.
1133 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1134 (*movsi_larl): Fixed z10prop attribute.
1135 (*movsi_zarch): Fixed z10prop attribute.
1136 (*movsi_eas): Fixed z10prop attribute.
1137 (*movhi): Fixed z10prop attribute.
1138 (*movqi): Fixed z10prop attribute.
1139 (*movstrictqi): Fixed z10prop attribute.
1140 (*mov<mode>): Fixed z10prop attribute.
1141 (*movcc): Fixed z10prop attribute.
1142 (*sethighpartdi_64): Fixed z10prop attribute.
1143 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1144 (*negdi2_sign_cc): Fixed z10prop attribute.
1145 (*negdi2_sign): Fixed z10prop attribute.
1146 (*absdi2_sign_cc): Fixed z10prop attribute.
1147 (*absdi2_sign): Fixed z10prop attribute.
1148 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1149 (*negabsdi2_sign): Fixed z10prop attribute.
1150 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1151 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1152 (doloop_si64): Fixed z10prop attribute.
1153 (doloop_si31): Fixed z10prop attribute.
1154 (doloop_long): Fixed z10prop attribute.
1155 (indirect_jump): Fixed z10prop attribute.
1156 (nop): Fixed z10prop attribute.
1157 (main_base_64): Fixed z10prop attribute.
1158 (reload_base_64): Fixed z10prop attribute.
1160 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1162 PR rtl-optimization/38740
1163 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1165 * config/mips/mips.c (mips_reorg): Likewise.
1167 2009-01-28 Richard Guenther <rguenther@suse.de>
1169 PR tree-optimization/38926
1170 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1171 with the correct value id to a value.
1172 (do_regular_insertion): Use the value number of edoubleprime
1173 for the value number of the expr.
1176 2008-08-21 Richard Guenther <rguenther@suse.de>
1178 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1179 a PHI ask VN if it is already available.
1180 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1181 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1183 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1186 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1187 set to varying whenever max has TREE_OVERFLOW set, similarly
1188 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1190 2009-01-28 Richard Guenther <rguenther@suse.de>
1193 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1194 uninitialized aggregate uses in call arguments.
1196 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1198 PR tree-optimization/38984
1199 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1200 the nothing_id variable if -fno-delete-null-pointer-checks.
1202 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1205 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1206 (set_got_offset_rex64): Ditto.
1208 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1211 * doc/extend.texi: Improve local variable with asm reg.
1213 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1215 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1216 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1217 was not supplied then set warn_packed_bitfield_compat to the
1219 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1222 2009-01-27 Richard Guenther <rguenther@suse.de>
1224 PR tree-optimization/38503
1225 * cfgexpand.c (expand_gimple_basic_block): Ignore
1226 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1227 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1228 variables that cannot have TBAA applied.
1229 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1232 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1235 * calls.c (initialize_argument_information): Do not wrap complex
1236 arguments in SAVE_EXPR.
1238 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1240 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1241 (INSTALL_LIBGCC): Revert typo commit.
1243 2009-01-26 Richard Guenther <rguenther@suse.de>
1245 PR tree-optimization/38745
1246 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1247 from special handling.
1249 2009-01-26 Richard Guenther <rguenther@suse.de>
1251 PR tree-optimization/38745
1252 * tree-ssa.c (execute_update_addresses_taken): Do not include
1253 variables that cannot possibly be a register in not_reg_needs.
1254 Do not clear TREE_ADDRESSABLE on vars that may not become
1256 * tree-ssa.c (update_alias_info_1): Include those in the set
1257 of addressable vars.
1259 2009-01-26 Richard Guenther <rguenther@suse.de>
1262 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1263 * tree-ssa-dse.c: Include langhooks.h
1264 (execute_simple_dse): Remove stores with zero size.
1266 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1269 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1272 2009-01-24 Julian Brown <julian@codesourcery.com>
1274 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1275 config/arm/linux-atomic.c.
1276 * config/arm/linux-atomic.c: New.
1278 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1280 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1281 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1282 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1284 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1287 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1290 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1292 PR tree-optimization/38953
1293 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1294 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1295 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1296 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1299 2009-01-24 Paul Brook <paul@codesourcery.com>
1301 * config/arm/neon.md (neon_type): Move to arm.md.
1302 (neon_mov<VSTRUCT>): Add neon_type attribute.
1303 * config/arm/arm.md (neon_type): Move to here.
1304 (conds): Add "unconditioal" and use as default for NEON insns.
1306 2009-01-24 Ben Elliston <bje@au.ibm.com>
1308 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1309 void *' warning from -Wc++-compat.
1310 * Makefile.in (dominance.o-warn): Remove.
1312 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1314 PR tree-optimization/38932
1315 * fold-const.c (fold_unary_ignore_overflow): New.
1316 * tree.h (fold_unary_ignore_overflow): Declare.
1317 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1318 * tree-ssa-sccvn.c (visit_reference_op_load,
1319 simplify_unary_expression): Likewise.
1321 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1323 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1324 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1325 regardless of their type.
1326 * c-common.c (handle_packed_attribute): Don't ignore packed on
1328 * c.opt (Wpacked-bitfield-compat): New warning option.
1329 * stor-layout.c (place_field): Warn if offset of a field changed.
1330 * doc/extend.texi (packed): Mention the ABI change.
1331 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1332 (Warning Options): Add it to the list.
1334 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1336 * c-opts.c (c_common_post_options): Fix a typo in comments.
1338 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1341 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1342 variables to static.
1343 * doc/invoke.texi (-fmerge-all-constants): Update description.
1345 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1348 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1349 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1351 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1353 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1355 (LOCAL_ALIGNMENT): Similarly.
1357 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1358 Joseph Myers <joseph@codesourcery.com>
1360 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1361 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1362 * config/arm/arm-tune.md: Regenerate.
1363 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1366 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1368 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1369 version number to five.
1371 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1374 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1375 * c-common.c (set_underlying_type): Likewise.
1376 (is_typedef_decl ): Likewise
1378 (set_underlying_type): Likewise.
1379 (is_typedef_type): Likewise.
1381 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1384 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1387 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1390 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1391 (LIBGCC_SPEC): Don't define.
1392 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1394 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1396 PR rtl-optimization/38879
1397 * alias.c (base_alias_check): Unaligned access via AND address can
1398 alias all surrounding object types except those with sizes equal
1399 or wider than the size of unaligned access.
1401 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1404 * c-decl.c: (clone_underlying_type): Move this ...
1405 * c-common.c (set_underlying_type): ... here.
1406 Also, make sure the function properly sets TYPE_STUB_DECL() on
1407 the newly created typedef variant type.
1408 (is_typedef_decl ): New entry point.
1409 * tree.h: Added a new member member_types_needing_access_check to
1410 struct tree_decl_non_common.
1411 (set_underlying_type): New entry point.
1412 (is_typedef_type): Likewise.
1414 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1416 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1417 Check whether two instructions have memory references that
1418 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1419 are helper functions for traversing.
1420 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1421 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1422 not to draw dependency edge for instructions with non-conflicting
1425 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1428 * longlong.h: Update copyright years. Use soft-fp license notice.
1429 Sync __clz_tab declaration with glibc.
1431 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1434 * doc/extend.texi (syscall_linkage): New.
1435 (version_id): Modify.
1437 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1438 Richard Guenther <rguenther@suse.de>
1440 PR tree-optimization/38747
1441 PR tree-optimization/38748
1442 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1443 conversion if the base address is an indirect reference and the
1444 aliasing sets could cause issues.
1446 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1448 * common.opt (fgraphite, fgraphite-identity): Add comment for
1449 explaining why these options are not documented.
1451 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1453 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1454 gimple_call_lhs is NULL.
1456 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1459 * emit-rtl.c (adjust_address_1): Make sure memref is never
1462 2009-01-20 Ben Elliston <bje@au.ibm.com>
1464 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1465 const qualifier from arg parameter. Remove unnecessary cast to char *.
1466 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1467 const qualifier from arg 2.
1469 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1471 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1473 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1476 * rtl.h (reinit_regs): New prototype.
1477 * regclass.c: Include ira.h.
1479 * Makefile.in (regclass.o): Add ira.h.
1480 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1482 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1485 * c-common.c (handle_aligned_attribute): Use
1486 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1487 default alignment value.
1489 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1491 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1492 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1494 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1495 __BIGGEST_ALIGNMENT__.
1497 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1499 2009-01-18 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/38819
1502 * tree-flow.h (operation_could_trap_helper_p): Declare.
1503 * tree-eh.c (operation_could_trap_helper_p): Export.
1504 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1505 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1506 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1507 are about to insert a possibly trapping instruction and fail
1510 2009-01-18 Andreas Schwab <schwab@suse.de>
1512 * doc/install.texi (Configuration): Remove obsolete paragraph
1513 about use of --with-gnu-ld with --with-gnu-as.
1515 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1517 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1518 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1519 Follow spelling conventions.
1521 2009-01-18 Ben Elliston <bje@au.ibm.com>
1523 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1524 C++ warning about implicit conversion from void * to struct
1526 (bitmap_obstack_free): Likewise for bitmap_element *.
1527 * Makefile.in (bitmap.o-warn): Remove.
1529 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1531 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1533 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1534 Tobias Grosser <tobi.grosser@amd.com>
1536 * graphite.c (graphite_trans_scop_block): Do not block single
1539 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1541 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1542 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1543 test with assertion.
1545 2009-01-16 Richard Guenther <rguenther@suse.de>
1547 PR tree-optimization/38835
1549 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1550 and INT + PTR -> (INT)(PTR p+ INT) folding.
1551 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1553 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1556 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1557 the subreg from a lowpart subreg if it is also casting the value.
1559 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1560 Tobias Grosser <tobi.grosser@amd.com>
1562 * graphite.c (compare_prefix_loops): New.
1563 (build_scop_canonical_schedules): Rewritten.
1564 (graphite_transform_loops): Move build_scop_canonical_schedules
1565 after build_scop_iteration_domain.
1567 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1568 Tobias Grosser <tobi.grosser@amd.com>
1570 * graphite.c (add_conditions_to_domain): Add the loops to
1571 the dimension of the iteration domain. Do copy the domain
1572 only when it exists.
1573 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1574 (add_conditions_to_constraints): New.
1575 (can_generate_code_stmt, can_generate_code): Removed.
1576 (gloog): Do not call can_generate_code.
1577 (graphite_transform_loops): Call add_conditions_to_constraints
1578 after building the iteration domain.
1580 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1582 PR tree-optimization/38789
1583 * tree-ssa-threadedge.c
1584 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1585 __builtin_constant_p.
1587 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1589 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1590 examined before deleting them.
1592 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1594 * function.c (aggregate_value_p): Correctly extract the function
1595 type from CALL_EXPR_FN lookup.
1597 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1599 * config/picochip/picochip.c (picochip_override_options): Revert
1600 CFI asm flag disable commited previously.
1602 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1603 Tobias Grosser <tobi.grosser@amd.com>
1604 Jan Sjodin <jan.sjodin@amd.com>
1606 * graphite.c (scan_tree_for_params): On substractions negate
1607 all the coefficients of the term.
1608 (clast_to_gcc_expression_red): New. Handle reduction expressions
1609 of more than two operands.
1610 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1611 (get_vdef_before_scop): Handle also the case of default definitions.
1613 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1615 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1616 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1617 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1619 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1620 Joey Ye <joey.ye@intel.com>
1623 * cfgexpand.c (expand_stack_alignment): Don't update stack
1624 boundary nor check incoming stack boundary here.
1625 (gimple_expand_cfg): Update stack boundary and check incoming
1626 stack boundary here.
1628 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1630 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1632 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1634 PR rtl-optimization/38245
1635 * calls.c (expand_call): Add stack arguments to
1636 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1637 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1638 in regs and partially in memory or BLKmode arguments.
1639 (emit_library_call_value_1): Add stack arguments to
1640 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1641 ACCUMULATE_OUTGOING_ARGS).
1642 * dce.c: Include tm_p.h.
1643 (find_call_stack_args): New function.
1644 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1646 (mark_insn): Call find_call_stack_args for CALL_Ps.
1647 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1648 forwards. Allocate and free arg_stores bitmap if needed, pass it
1649 down to deletable_insn_p, don't mark stores set in arg_stores
1650 bitmap, clear the bitmap at the beginning of each bb.
1651 * Makefile.in (dce.o): Depend on $(TM_P_H).
1653 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1656 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1657 to make sure the insn is a conditional test (bug 22599). Reformat a
1660 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1663 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1664 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1665 (gloog): Do not call cleanup_tree_cfg.
1666 (graphite_transform_loops): Call cleanup_tree_cfg after all
1667 scops have been code generated.
1669 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1670 * doc/gty.texi (Invoking the garbage collector): Added new node
1671 and section documenting ggc_collect.
1673 2009-01-14 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/38826
1677 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1678 initialization notes only if we actually emitted a warning.
1679 (intra_create_variable_infos): Add constraints for a result decl
1680 that is passed by hidden reference.
1681 (build_pred_graph): Mark all related variables non-direct on
1684 2009-01-14 Nick Clifton <nickc@redhat.com>
1686 * ira-conflicts.c: Include addresses.h for the definition of
1688 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1689 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1691 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1694 * Makefile.in (ira-lives.o): Add except.h.
1696 * ira-lives.c: Include except.h.
1697 (process_bb_node_lives): Process can_throw_internal.
1699 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1701 PR rtl-optimization/38774
1702 * combine.c (simplify_set): When undoing cc_use change, don't do
1703 PUT_CODE on the newly created comparison, but instead put back the
1706 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1708 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1709 values. Remove duplicate arm8 entry.
1711 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1713 PR tree-optimization/38786
1714 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1715 the SSA_NAME case of expand_scalar_variables_expr.
1716 Set the type of an expression to the type of its assign statement.
1717 (expand_scalar_variables_expr): Also gather the scalar computation
1718 used to index the memory access. Do not pass loop_p.
1719 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1720 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1721 the gimple_stmt_iterator where it inserts new code.
1723 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1724 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1726 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1728 * graphite.h (debug_value): Removed.
1729 * graphite.c (debug_value): Removed.
1731 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1733 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1734 ldrd/strd with two 32-bit instructions.
1736 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1738 * config/arm/arm.c (struct processors): Pass for speed down into
1739 cost helper functions.
1740 (const_ok_for_op): Handle COMPARE and inequality nodes.
1741 (arm_rtx_costs_1): Rewrite.
1742 (arm_size_rtx_costs): Update prototype.
1743 (arm_rtx_costs): Pass speed down to helper functions.
1744 (arm_slowmul_rtx_costs): Rework cost calculations.
1745 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1746 (arm_9e_rtx_costs): Likewise.
1748 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1750 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1751 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1752 (alpha_legitimize_address): Do not split local symbols wider than
1753 UNITS_PER_WORD into HIGH/LO_SUM parts.
1755 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1758 * gcc.c (process_command): Replace call to execvp with calls
1759 to pex_one and exit.
1761 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1764 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1765 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1766 variant for devices with 3-byte PC.
1767 (__tablejump_elpm__) : New.
1769 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1772 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1773 offsetof member-designator, handle it as `[0].'.
1775 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1777 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1778 function when not using named sections on targets with named sections
1779 if branch distance is less than 262132.
1781 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1783 * combine.c (combine_instructions): Recompute
1784 optimize_this_for_speed_p for each BB in the main combine loop.
1786 2009-01-12 Tomas Bily <tbily@suse.cz>
1789 * tree-loop-distribution.c (prop_phis): New function.
1790 (generate_builtin): Call prop_phis.
1791 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1793 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1795 PR tree-optimization/38807
1796 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1797 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1799 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1801 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1802 subreg of op0 to the original op0.
1804 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1806 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1808 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1811 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1812 starting with digits.
1814 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1817 * config/arm/arm.c (arm_is_long_call_p): Don't call
1818 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1820 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1822 * regrename.c (regrename_optimize): Fix dumping.
1823 (find_oldest_value_reg): Preserve REG_POINTER.
1824 (copy_hardreg_forward_1): Likewise.
1826 2009-01-09 Diego Novillo <dnovillo@google.com>
1828 * gimple.h (struct gimple_statement_base) <uid>: Document
1829 the restrictions on its use.
1831 (gimple_set_uid): Tidy.
1833 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1835 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1836 zero guard even if align_bytes != 0 and count is smaller than
1839 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1841 PR rtl-optimization/38495
1842 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1843 (add_range_and_copies_from_move_list): Print all added ranges.
1844 Add ranges to memory optimized destination.
1846 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1850 * config/i386/i386.c (override_options): Reject
1851 -mstringop-strategy=rep_8byte with -m32.
1852 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1853 to 1. Do count comparison against epilogue_size_needed at compile
1854 time even when count_exp was constant forced into register. For
1855 size_needed don't jump to epilogue, instead just avoid aligning
1856 and invoke the body algorithm. If need_zero_guard, add zero guard
1857 even if count is non-zero, but smaller than size_needed + number of
1858 bytes that could be stored for alignment.
1859 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1860 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1861 but smaller than size_needed + number of bytes that could be stored
1862 for alignment. Compare size_needed with epilogue_size_needed instead
1863 of desired_align - align, don't adjust size_needed, pass
1864 epilogue_size_needed to the epilogue expanders.
1867 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1869 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1871 * pa.c (last_address): Change to unsigned.
1872 (update_total_code_bytes): Change argument to unsigned. Don't
1873 check if insn addresses are set.
1874 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1875 addresses are not set.
1876 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1878 2009-01-09 Nick Clifton <nickc@redhat.com>
1880 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1881 DECL_DECLARED_INLINE_P.
1883 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1886 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1887 GET_MODE (op0) in operand_subword_force calls.
1890 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1891 fold_convert arg0 operands to TREE_TYPE (op0) first.
1893 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1895 * params.def (ira-max-conflict-table-size): Decrease default value
1898 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1900 PR tree-optimization/37031
1901 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1903 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1904 allocate it using gc instead of heap, use VEC_quick_push instead of
1906 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1907 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1908 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1909 allocated vector from heap allocated.
1910 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1911 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1912 vector only after perfect_loop_nest_depth call.
1914 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1915 Jan Sjodin <jan.sjodin@amd.com>
1917 PR tree-optimization/38559
1918 * graphite.c (debug_value, copy_constraint,
1919 swap_constraint_variables, scale_constraint_variable, ): New.
1920 (get_lower_bound, get_upper_bound): Removed.
1921 (graphite_trans_bb_strip_mine): Clean up this code that works
1922 only for constant number of iterations. Fully copy upper and
1923 lower bound constraints, not only the constant part of them.
1924 * graphite.h (debug_value): Declared.
1926 2009-01-08 Ira Rosen <irar@il.ibm.com>
1928 PR tree-optimization/37194
1929 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1930 Don't add the cost of cost model guard in prologue to scalar
1931 outside cost in case of known number of iterations.
1933 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1934 Alan Modra <amodra@bigpond.net.au>
1936 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1937 non-word-aligned REG+CONST addressing.
1939 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1942 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1943 free_after_compilation when outputting a thunk.
1944 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1945 Do not call free_after_compilation here.
1947 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1949 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1950 (ix86_valid_target_attribute_inner_p): Ditto.
1952 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1954 PR tree-optimization/38492
1955 PR tree-optimization/38498
1956 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1957 * tree-chrec.h (scev_is_linear_expression): Declared.
1958 * graphite.c (graphite_cannot_represent_loop_niter): New.
1959 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1960 (graphite_loop_normal_form): Use gcc_assert.
1961 (scan_tree_for_params): Use CASE_CONVERT.
1962 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1963 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1964 Use gcc_assert. Discard scops that contain unhandled cases.
1965 (build_scop_conditions): Return a boolean status for unhandled cases.
1966 (strip_mine_profitable_p): Print the loop number, not its depth.
1967 (is_interchange_valid): Pass the depth of the loop nest, don't
1968 recompute it wrongly.
1969 (graphite_trans_bb_block): Same.
1970 (graphite_trans_bb_block): Print tentative of loop blocking.
1971 (graphite_trans_scop_block): Do not print that the loop has been
1973 (graphite_transform_loops): Do not handle scops that contain condition
1976 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1978 AVX Programming Reference (December, 2008)
1979 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1980 (_mm256_stream_pd): Likewise.
1981 (_mm256_stream_ps): Likewise.
1983 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1984 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1985 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1986 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1987 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1988 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1989 (ix86_expand_special_args_builtin): Likewise.
1991 * config/i386/sse.md (AVXMODEDI): New.
1992 (avx_movnt<mode>): Likewise.
1993 (avx_movnt<mode>): Likewise.
1994 (<sse>_movnt<mode>): Remove AVX support.
1995 (sse2_movntv2di): Likewise.
1997 2009-01-07 Richard Guenther <rguenther@suse.de>
2000 * fold-const.c (extract_muldiv): Remove obsolete comment.
2001 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2002 to PLUS_EXPR canonicalization for the canonicalization.
2004 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2006 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2007 hosted cross-compilers generating less efficient code.
2009 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2011 * function.h (rtl_data): Add a dbr_scheduled_p field.
2012 * reorg.c (dbr_schedule): Set it.
2013 (gate_handle_delay_slots): Check it.
2014 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2015 (mips_reorg): Check flag_delayed_branch instead of
2016 mips_base_delayed_branch.
2017 (mips_override_options): Don't set mips_base_delayed_branch
2018 or flag_delayed_branch.
2020 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2022 PR rtl-optimization/38426.
2023 * ira.c (ira): Set current_function_is_leaf earlier.
2025 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2027 PR rtl-optimization/38722
2028 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2029 too early, only set a flag and modify after last possible
2032 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2035 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2036 * real.c (decimal_single_format): Correct values of emin and emax.
2037 (decimal_double_format): Ditto.
2038 (decimal_quad_format): Ditto.
2039 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2040 computation of DECnn_MIN and DECnn_MAX for corrected values of
2041 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2042 __DECnn_MIN__, and adjust its computation for the corrected value
2045 2009-01-06 Jan Hubicka <jh@suse.cz>
2048 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2050 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2052 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2053 Add Robert Clark to the list of testers.
2055 2009-01-06 Jan Hubicka <jh@suse.cz>
2056 Kai Tietz <kai.tietz@onevision.com>
2058 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2059 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2061 2009-01-06 Jan Hubicka <jh@suse.cz>
2062 Kai Tietz <kai.tietz@onevision.com>
2064 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2066 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2067 (ix86_nsaved_regs): Count only general purpose regs.
2068 (ix86_nsaved_sseregs): New.
2069 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2070 to 16 for w64; compute padding and size of sse reg save area.
2071 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2072 general purpose regs.
2073 (ix86_emit_save_sse_regs_using_mov): New.
2074 (ix86_expand_prologue): Save SSE regs if needed.
2075 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2076 (ix86_emit_restore_sse_regs_using_mov): New.
2077 (ix86_expand_epilogue): Save SSE regs if needed.
2079 2009-01-06 Jan Hubicka <jh@suse.cz>
2080 Kai Tietz <kai.tietz@onevision.com>
2082 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2083 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2084 functions when accumulate outgoing args is off.
2086 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2089 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2090 before using pseudos_have_intersected_live_ranges_p.
2092 * ira-int.h (ira_assert): Always define.
2094 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2096 AVX Programming Reference (December, 2008)
2097 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2098 (_mm256_permute2_pd): Likewise.
2099 (_mm_permute2_ps): Likewise.
2100 (_mm256_permute2_ps): Likewise.
2101 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2102 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2104 * config/i386/i386.c (ix86_builtins): Remove
2105 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2106 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2107 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2108 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2109 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2110 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2111 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2112 __builtin_ia32_vpermil2ps256.
2113 (ix86_init_mmx_sse_builtins): Updated.
2114 (ix86_expand_args_builtin): Likewise.
2116 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2118 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2119 long absolute calls when generating PA 2.0 code.
2121 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2123 PR rtl-optimization/38583
2124 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2126 * params.def (ira-max-conflict-table-size): New.
2128 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2130 * ira.h (ira_conflicts_p): New external definition.
2132 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2133 table. Report this. Return result of building.
2134 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2135 building conflict table.
2137 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2138 (ira_color): Use ira_conflicts_p.
2140 * global.c: Include ira.h.
2141 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2144 * Makefile.in (global.o): Add ira.h.
2146 * ira-build.c (mark_all_loops_for_removal,
2147 propagate_some_info_from_allocno): New.
2148 (remove_unnecessary_allocnos): Call
2149 propagate_some_info_from_allocno.
2150 (remove_low_level_allocnos): New.
2151 (remove_unnecessary_regions): Add parameter. Call
2152 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2153 parameter to remove_unnecessary_regions.
2154 (ira_build): Remove all regions but root if the conflict table was
2155 not built. Update conflict hard regs for allocnos crossing calls.
2157 * ira.c (ira_conflicts_p): New global.
2158 (ira): Define and use ira_conflicts_p.
2160 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2161 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2162 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2164 2009-01-06 Ben Elliston <bje@au.ibm.com>
2166 * gengtype-lex.l (YY_NO_INPUT): Define.
2168 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2171 * c-common.c (handle_vector_size_attribute): Also reject
2174 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2176 PR tree-optimization/38492
2177 * graphite.c (rename_map_elt, debug_rename_elt,
2178 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2179 rename_map_elt_info, eq_rename_map_elts,
2180 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2181 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2182 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2183 (sese_build_livein_liveouts): New.
2184 (new_sese, free_sese): New.
2185 (new_scop): Call new_sese.
2186 (free_scop): Call free_sese.
2187 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2188 (register_old_new_names): Renamed register_old_and_new_names.
2189 (register_scop_liveout_renames, add_loop_exit_phis,
2190 insert_loop_close_phis, struct igp,
2191 default_liveout_before_guard, add_guard_exit_phis,
2192 insert_guard_phis, copy_renames): New.
2193 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2194 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2195 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2196 (scop_adjust_phis_for_liveouts): New.
2197 (gloog): Call scop_adjust_phis_for_liveouts.
2199 * graphite.h (struct sese): Documented. Added fields liveout,
2201 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2202 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2203 (struct scop): Added field liveout_renames.
2204 (SCOP_LIVEOUT_RENAMES): New.
2206 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2208 PR tree-optimization/38510
2209 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2210 (translate_clast): Call recompute_all_dominators before
2212 (gloog): Call recompute_all_dominators before graphite_verify.
2214 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2215 Jan Sjodin <jan.sjodin@amd.com>
2217 PR tree-optimization/38500
2218 * graphite.c (create_sese_edges): Call fix_loop_structure after
2221 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2223 * config.gcc: Add m32r*-*-rtems*.
2224 * config/m32r/rtems.h: New file.
2226 2009-01-05 Ben Elliston <bje@au.ibm.com>
2228 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2229 (.po.pox): Likewise.
2230 (po/gcc.pot): Likewise.
2232 2009-01-04 David S. Miller <davem@davemloft.net>
2234 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2235 (STARTING_FRAME_OFFSET): Always set to zero.
2237 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2239 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2240 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2241 fixed-point types, and vectors of the same.
2243 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2245 * config/mips/sync.md (*mb_barrier): Rename to...
2246 (*memory_barrier): ...this.
2248 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2250 * doc/extend.texi (Function Attributes): Move @cindex after @item
2251 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2252 and put in alphabetical order. Fix 'target' name and put in order.
2253 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2256 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2258 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2259 (memory_barrier): Expand as unspec instead of unspec_volatile.
2260 Remove mem:BLK from insn operands. Use Pmode scratch register.
2261 (*memory_barrier): Define as unspec instead of unspec_volatile.
2262 Use (match_dup 0) as input operand.
2264 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2265 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2266 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2267 scratch register. Remove operand 1.
2268 (*stbar): Define as unspec instead of unspec_volatile.
2269 Use (match_dup 0) as input operand, remove (const_int 8).
2270 (*membar): Define as unspec instead of unspec_volatile.
2271 Use (match_dup 0) as input operand, remove input operand 2.
2273 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2274 (memory_barrier): Expand as unspec instead of unspec_volatile.
2275 Remove mem:BLK from insn operands. Use Pmode scratch register.
2276 (*memory_barrier): Define as unspec instead of unspec_volatile.
2277 Use (match_dup 0) as input operand.
2279 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2280 Remove mem:BLK from insn operands. Use Pmode scratch register.
2281 Set volatile flag on operand 0.
2282 (*memory_barrier): New insn pattern.
2284 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2286 (*memory_barrier): Use (match_dup 0) as input operand.
2288 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2289 Remove mem:BLK from insn operands. Use Pmode scratch register.
2290 Set volatile flag on operand 0.
2291 (*mb_internal): New insn pattern.
2293 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2295 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2298 * function.c (struct temp_slot): Move to the section of the file
2299 that deals with temp slots. Remove field 'address'.
2300 (temp_slot_address_table): New hash table of address -> temp slot.
2301 (struct temp_slot_address_entry): New struct, items for the table.
2302 (temp_slot_address_compute_hash, temp_slot_address_hash,
2303 temp_slot_address_eq, insert_temp_slot_address): Support functions
2305 (find_temp_slot_from_address): Rewrite to use the new hash table.
2306 (remove_unused_temp_slot_addresses): Remove addresses of temp
2307 slots that have been made available.
2308 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2309 worker function for remove_unused_temp_slot_addresses.
2310 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2311 Add the temp slot address to the address -> temp slot map.
2312 (update_temp_slot_address): Update via insert_temp_slot_address.
2313 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2314 (pop_temp_slots): Likewise.
2315 (init_temp_slots): Allocate the address -> temp slot map, or empty
2316 the map if it is already allocated.
2317 (prepare_function_start): Initialize temp slot processing.
2319 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2322 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2323 Calculate the size of all stack vars assuming no packing of stack
2324 vars will happen, replacing a quadratic algorithm with a linear one.
2326 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2329 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2332 2009-01-03 Diego Novillo <dnovillo@google.com>
2334 * doc/contrib.texi: Update contributions.
2336 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2339 * builtins.c (fold_builtin_memory_op): Give up if either operand
2340 is volatile. Set srctype or desttype to non-qualified version
2344 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2347 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2349 PR rtl-optimization/35805
2350 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2351 problem if fast dce is able to remove any instructions.
2352 * dce.c (dce_process_block): Fix dump message.
2354 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2357 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2359 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2362 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2363 * tree-pretty-print.c (op_code_prio): New function.
2364 (op_prio): No longer static. Use op_code_prio.
2365 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2366 Use op_prio and op_code_prio to determine if () should be
2367 printed around operand(s) or not.
2369 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2370 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2371 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2372 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2373 pp_character instead of pp_string for single letter printing.
2375 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2377 * doc/extend.texi: Fix '#pragma GCC option' typo.
2379 2009-01-02 Richard Guenther <rguenther@suse.de>
2381 * doc/install.texi (--enable-checking): Mention different
2383 (--enable-stage1-checking): Document.
2385 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2388 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2389 case to be an error.
2391 2009-01-02 Ben Elliston <bje@au.ibm.com>
2393 * config/fp-bit.h (pack_d): Constify argument.
2394 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2395 (isnan): Constify argument.
2399 (_fpadd_parts): Constify return type.
2400 (_fpmul_parts): Likewise.
2401 (_fpdiv_parts): Likewise.
2403 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2406 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2407 warn about overwriting initializer with side-effects or
2408 -Woverride-init if !IMPLICIT.
2409 (output_init_element): Likewise. Pass IMPLICIT down to
2411 (process_init_element): Add IMPLICIT argument. Pass it down
2412 to output_init_element.
2413 (push_init_element, pop_init_level, set_designator): Adjust
2414 process_init_element callers.
2415 (set_nonincremental_init, set_nonincremental_init_from_string):
2416 Adjust add_pending_init callers.
2417 (output_pending_init_elements): Adjust output_init_element callers.
2418 * c-tree.h (process_init_element): Adjust prototype.
2419 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2420 process_init_element callers.