1 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3 * doc/invoke.texi (Link Options): Document an easier way to pass
4 options that take arguments to the GNU linker using -Xlinker and
7 2009-02-24 Steve Ellcey <sje@cup.hp.com>
10 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
12 2009-02-24 Richard Guenther <rguenther@suse.de>
15 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
17 2009-02-24 Richard Guenther <rguenther@suse.de>
18 Zdenek Dvorak <ook@ucw.cz>
20 PR tree-optimization/39233
21 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
22 from converting them to a generic type.
24 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
26 PR tree-optimization/39260
27 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
28 contains a condition with a real type.
29 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
31 2009-02-23 Jason Merrill <jason@redhat.com>
34 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
35 narrowing_initializer_constant_valid_p.
36 (narrowing_initializer_constant_valid_p): Don't return
37 null_pointer_node for adding a pointer to itself.
39 2009-02-23 Jan Hubicka <jh@suse.cz>
42 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
44 2009-02-23 Jan Hubicka <jh@suse.cz>
46 PR tree-optimization/37709
47 * tree.c (block_ultimate_origin): Move here from dwarf2out.
48 * tree.h (block_ultimate_origin): Declare.
49 * dwarf2out.c (block_ultimate_origin): Move to tree.c
50 * tree-ssa-live.c (remove_unused_scope_block_p):
51 Eliminate blocks containig no instructions nor live variables nor
53 (dump_scope_block): New function.
54 (remove_unused_locals): Enable removal of dead blocks by default;
55 enable dumping at TDF_DETAILS.
57 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
59 * config/i386/i386.c (classify_argument): Don't allow COImode
61 (function_arg_advance_32): Don't allow OImode.
62 (function_arg_32): Likewise.
63 (function_value_32): Likewise.
64 (return_in_memory_32): Likewise.
65 (function_arg_64): Remove OImode comment.
67 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
70 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
71 ix86_expand_vector_set for V4DImode in 64bit mode only.
72 (ix86_expand_vector_init_one_var): Likewise.
74 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
76 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
78 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
81 * loop-iv.c: Revert last change.
82 * emit-rtl.c: Likewise.
84 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
87 * config/i386/i386.c (type_natural_mode): Remove an extra
88 space in the warning message.
89 (function_value_32): Handle 32-byte vector modes.
90 (return_in_memory_32): Likewise.
92 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
94 * loop-iv.c (truncate_value): New function.
95 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
97 (lowpart_subreg): Move to...
98 * emit-rtl.c: ...here.
100 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
102 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
103 accidental and undocumented change at revision 140860.
105 2009-02-21 Joseph Myers <joseph@codesourcery.com>
107 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
108 take gimple_seq * arguments.
109 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
110 types_compatible_p langhook.
112 2009-02-20 Mark Mitchell <mark@codesourcery.com>
113 Joseph Myers <joseph@codesourcery.com>
115 * config/arm/arm.c (arm_builtin_va_list): New function.
116 (arm_expand_builtin_va_start): Likewise.
117 (arm_gimplify_va_arg_expr): Likewise.
118 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
119 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
120 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
121 (va_list_type): New variable.
122 (arm_mangle_type): Mangle va_list_type appropriately.
124 2009-02-20 Jakub Jelinek <jakub@redhat.com>
127 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
128 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
129 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
130 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
131 parameter to 1000 for -O1 by default.
132 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
134 * loop-invariant.c: Include params.h.
135 (move_loop_invariants): Don't call move_single_loop_invariants on
138 2009-02-20 Jaka Mocnik <jaka@xlab.si>
140 * calls.c (emit_library_call_value_1): Use slot_offset instead of
141 offset when calculating bounds for indexing stack_usage_map. Fixes
142 a buffer overflow with certain target setups.
144 2009-02-20 Jakub Jelinek <jakub@redhat.com>
147 * calls.c (expand_call): Clear try_tail_call if caller and callee
148 disagree in promotion of function return value.
150 2009-02-19 Jakub Jelinek <jakub@redhat.com>
153 * c-common.c (c_determine_visibility): If visibility changed and
154 DECL_RTL has been already set, call make_decl_rtl to update symbol
157 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
160 * varasm.c (assemble_variable): Don't check DECL_NAME when
161 globalizing a variable.
163 2009-02-19 Joseph Myers <joseph@codesourcery.com>
166 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
167 expression before any __builtin_trap call.
168 * c-typeck.c (build_function_call): Convert and check function
169 arguments before generating a call to a trap. Evaluate the
170 function arguments before the trap.
172 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
175 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
176 (UNSPEC_FXAM_MEM): New unspec.
177 (fxam<mode>2_i387_with_temp): New insn and split pattern.
178 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
179 memory using fxam<mode>2_i387_with_temp to remove excess precision.
181 2009-02-19 Richard Guenther <rguenther@suse.de>
183 PR tree-optimization/39207
184 PR tree-optimization/39074
185 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
186 storedanything_tree): New.
187 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
188 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
189 (build_succ_graph): Add edges from STOREDANYTHING to all
191 (init_base_vars): Initialize STOREDANYTHING.
192 (compute_points_to_sets): Free substitution info after
193 building the succ graph.
194 (ipa_pta_execute): Likewise.
196 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
198 (do_ds_constraint): Do not add to special var or non-pointer
200 (type_could_have_pointers): Split out from ...
201 (could_have_pointers): ... here. For arrays use the element type.
202 (create_variable_info_for): Initialize may_have_pointers.
203 (new_var_info): Likewise.
204 (handle_lhs_call): Make the HEAP variable unknown-sized.
205 (intra_create_variable_infos): Use a type with pointers for
206 PARM_NOALIAS, make it unknown-sized.
208 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
211 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
213 2009-02-18 Jason Merrill <jason@redhat.com>
216 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
217 value if DECL_EXTERNAL.
218 * tree-sra.c (sra_walk_gimple_assign): Likewise.
219 * target.h (gcc_target::binds_local_p): Clarify "module".
220 * tree.h (TREE_PUBLIC): Clarify "module".
222 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
225 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
226 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
228 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
231 * c.opt (Wabi): Support C and ObjC.
234 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
236 * config/i386/i386.c (classify_argument): Warn once about the ABI
237 change when passing union with long double.
239 * doc/invoke.texi: Update -Wabi for warning psABI changes.
241 2009-02-18 Joseph Myers <joseph@codesourcery.com>
244 * c-parser.c (c_parser_compound_statement): Always enter and leave
247 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
250 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
252 2009-02-18 Jakub Jelinek <jakub@redhat.com>
254 PR tree-optimization/36922
255 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
256 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
259 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
261 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
264 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
266 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
268 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
270 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
273 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
274 Richard Sandiford <rdsandiford@googlemail.com>
276 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
277 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
278 (loongson_biadd): ...this.
280 2009-02-17 Richard Guenther <rguenther@suse.de>
282 PR tree-optimization/39202
283 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
284 a var make sure to follow existing collapses.
286 2009-02-17 Richard Guenther <rguenther@suse.de>
289 * langhooks.c (lhd_print_error_function): Check for NULL block.
291 2009-02-17 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/39204
294 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
297 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
299 * config/soft-fp/double.h: Update from glibc CVS.
301 2009-02-17 Richard Guenther <rguenther@suse.de>
303 PR tree-optimization/39207
304 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
305 strict-aliasing warnings for pointers pointing to NULL.
307 2009-02-16 Joseph Myers <joseph@codesourcery.com>
310 * c-parser.c (c_parser_braced_init): Call pop_init_level when
311 skipping until next close brace.
313 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
316 * config/i386/i386.c (ix86_expand_push): Set memory alignment
317 to function argument boundary.
319 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
321 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
322 in the lea_add. Reload eventually constraints it properly.
323 * config/picochip/constraints.md : Remove the target constraint
324 "b", since it is not needed anymore.
326 2009-02-16 Jakub Jelinek <jakub@redhat.com>
328 * gthr-dce.h: Uglify function parameter and local variable names.
329 * gthr-gnat.h: Likewise.
330 * gthr-mipssde.h: Likewise.
331 * gthr-nks.h: Likewise.
332 * gthr-posix95.h: Likewise.
333 * gthr-posix.h: Likewise.
334 * gthr-rtems.h: Likewise.
335 * gthr-single.h: Likewise.
336 * gthr-solaris.h: Likewise.
337 * gthr-tpf.h: Likewise.
338 * gthr-vxworks.h: Likewise.
339 * gthr-win32.h: Likewise.
341 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
344 * config/i386/i386.md: Restrict the new peephole2 to move
345 between MMX/SSE registers.
347 2009-02-15 Richard Guenther <rguenther@suse.de>
350 2009-02-13 Richard Guenther <rguenther@suse.de>
352 * configure.ac: Enable LFS.
353 * configure: Re-generate.
354 * config.in: Likewise.
356 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
358 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
359 spu_srqwbyte, spu_srqwbytebc): Define.
360 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
361 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
362 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
363 "shrqby_<mode>"): New insn-and-split patterns.
364 * config/spu/spu.c (expand_builtin_args): Determine and return
365 number of operands using spu_builtin_description data.
366 (spu_expand_builtin_1): Use it.
368 2009-02-13 Steve Ellcey <sje@cup.hp.com>
371 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
374 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
377 * config/i386/i386.c (override_options): Correct warning
378 messages for -malign-loops, -malign-jumps and -malign-functions.
380 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
383 * config/i386/i386.md: Restrict the new peephole2 to move
384 between the general purpose registers.
386 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
389 * config/i386/i386.c (type_natural_mode): Add a new argument.
390 Return the original mode and warn ABI change if vector size is 32byte.
391 (function_arg_advance): Updated.
392 (function_arg): Likewise.
393 (ix86_function_value): Likewise.
394 (ix86_return_in_memory): Likewise.
395 (ix86_sol10_return_in_memory): Likewise.
396 (ix86_gimplify_va_arg): Likewise.
397 (function_arg_32): Don't warn ABX ABI change here.
398 (function_arg_64): Likewise.
400 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
402 * loop-iv.c (implies_p): In the final case, test that operands 0
403 of the two comparisons match.
405 * config/bfin/bfin.c (find_prev_insn_start): New function.
406 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
407 (find_next_insn_start): Move.
409 2009-02-13 Richard Guenther <rguenther@suse.de>
411 * configure.ac: Enable LFS.
412 * configure: Re-generate.
413 * config.in: Likewise.
415 2009-02-13 Joseph Myers <joseph@codesourcery.com>
418 * c-parser.c (c_parser_parms_list_declarator): Discard pending
419 sizes on syntax error after some arguments have been parsed.
421 2009-02-12 Jakub Jelinek <jakub@redhat.com>
423 * doc/invoke.texi (-fira): Remove.
425 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
427 * caller-save.c: Replace regclass.c with reginfo.c in comments.
431 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
433 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
434 (umul_ppmm): Likewise.
435 (count_leading_zeros): Likewise.
436 (count_trailing_zeros): Likewise.
437 (UMUL_TIME): Likewise.
439 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
441 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
442 soft-fp/t-softfp to tmake_file.
444 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
445 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
446 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
447 IA64_BUILTIN_INFQ]: New.
448 (ia64_init_builtins): Initialize __builtin_infq,
449 __builtin_fabsq and __builtin_copysignq if not HPUX.
450 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
451 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
453 * config/ia64/lib1funcs.asm (__divtf3): Define only if
455 (__fixtfti): Likewise.
456 (__fixunstfti): Likewise.
457 (__floattitf): Likewise.
459 * config/ia64/libgcc-glibc.ver: New.
460 * config/ia64/t-fprules-softfp: Likewise.
461 * config/ia64/sfp-machine.h: Likewise.
463 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
464 (LIBGCC2_TF_CEXT): Likewise.
466 (TARGET_INIT_LIBFUNCS): Likewise.
468 * config/ia64/t-glibc (SHLINB_MAPFILES):
469 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
471 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
473 * config/i386/i386.c (construct_container): Rewrite processing
474 BLKmode with X86_64_SSE_CLASS.
476 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
479 * config/i386/i386.md: Replace simplify_replace_rtx with
480 replace_rtx in the new peephole2.
482 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
484 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
485 loop unrolling do not happen at -O2.
487 2009-02-12 Michael Matz <matz@suse.de>
489 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
491 2009-02-12 Jakub Jelinek <jakub@redhat.com>
493 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
496 2009-02-12 Ben Elliston <bje@au.ibm.com>
498 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
499 patterns when updating the back chain. Missed in the 2009-02-10
502 2009-02-11 Janis Johnson <janis187@us.ibm.com>
504 * doc/extend.texi (Decimal Floating Types): Update identifier of
505 draft TR and list of missing support.
507 2009-02-11 Jakub Jelinek <jakub@redhat.com>
510 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
511 bit to variable length decl's flags, add it also to its
512 pointer replacement variable.
514 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
515 Jakub Jelinek <jakub@redhat.com>
518 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
519 (memory_blockage): New expander.
520 (*memory_blockage): New insn pattern.
521 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
522 instead of general blockage at the end of function prologue when
523 frame pointer is used to access red zone area. Do not emit blockage
524 when profiling, it is emitted in generic code.
525 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
526 function epilogue when frame pointer is used to access red zone area.
528 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
531 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
532 by arithmetic with memory operands.
533 * config/i386/predicates.md (commutative_operator): New.
535 2009-02-10 Janis Johnson <janis187@us.ibm.com>
537 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
540 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
542 * alias.h (record_alias_subset): Declare.
543 * alias.c (record_alias_subset): Make global.
545 2009-02-10 Nick Clifton <nickc@redhat.com>
547 * tree-parloops.c: Change license to GPLv3.
548 * ipa-struct-reorg.c: Change license to GPLv3.
549 * ipa-struct-reorg.h: Change license to GPLv3.
551 2009-02-10 Steve Ellcey <sje@cup.hp.com>
554 * c-decl.c (start_struct): Return NULL on error.
556 2009-02-10 Jakub Jelinek <jakub@redhat.com>
559 * cfgloopmanip.c (remove_path): Call remove_bbs after
560 cancel_loop_tree, not before it.
563 * function.h (struct function): Add has_local_explicit_reg_vars bit.
564 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
566 * tree-ssa-live.c (remove_unused_locals): Recompute
567 cfun->has_local_explicit_reg_vars.
568 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
569 copies or clearings if cfun->has_local_explicit_reg_vars.
571 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
574 * config/i386/i386.c (expand_prologue): Emit blockage at the end
575 of function prologue when frame pointer is used to access
578 2009-02-10 Richard Guenther <rguenther@suse.de>
581 * gimplify.c (gimple_regimplify_operands): Always look if
582 we need to create a temporary.
584 2009-02-10 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/39132
587 * tree-loop-distribution.c (todo): New global var.
588 (generate_memset_zero): Trigger TODO_rebuild_alias.
589 (tree_loop_distribution): Return todo.
591 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
594 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
595 (x86_64_reg_class_name): Removed.
596 (classify_argument): Return 0 if bytes > 32. Return 0 if the
597 first one isn't X86_64_SSE_CLASS or any other ones aren't
598 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
599 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
600 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
601 and 3 X86_64_SSEUP_CLASS.
602 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
603 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
605 2009-02-10 Ben Elliston <bje@au.ibm.com>
607 * config/rs6000/rs6000.md (allocate_stack): Always use an update
608 form instruction to update the stack back chain word, even if the
609 user has disabled the generation of update instructions.
610 (movdi_<mode>_update_stack): New.
611 (movsi_update_stack): Likewise.
612 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
613 always use an update form instruction to update the stack back
616 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
619 * graphite.c (if_region_set_false_region): After moving a region in
620 the false branch of a condition, remove the empty dummy basic block.
621 (gloog): Remove wrong fix for PR38953.
623 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
625 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
626 generation due to implicit sign extension.
628 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
631 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
632 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
634 2009-02-09 Richard Guenther <rguenther@suse.de>
637 * convert.c (convert_to_real): Disable (float)fn((double)x)
638 to fnf(x) conversion if errno differences may occur and
641 2009-02-07 Anatoly Sokolov <aesok@post.ru>
643 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
644 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
645 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
647 2009-02-06 Joseph Myers <joseph@codesourcery.com>
650 * c-common.c (handle_alias_attribute): Disallow attribute for
651 anything not a FUNCTION_DECL or VAR_DECL.
653 2009-02-06 Janis Johnson <janis187@us.ibm.com>
656 * real.c (do_compare): Special-case compare of zero against
659 2009-02-06 Joseph Myers <joseph@codesourcery.com>
662 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
663 as indicating flexible array members unless the field itself is
664 being declarared as the incomplete array.
666 2009-02-06 Jan Hubicka <jh@suse.cz>
668 PR tree-optimization/38844
669 * ipa-inline.c (try_inline): Stop inlining recursion when edge
672 2009-02-06 Richard Guenther <rguenther@suse.de>
675 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
676 fork because we may expand it as __gcov_fork.
678 2009-02-06 Nick Clifton <nickc@redhat.com>
680 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
682 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
684 PR tree-optimization/35659
685 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
686 vn_phi_eq): Shortcut if hashcode does not match.
687 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
689 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
690 and avoid iterative_hash_expr.
691 (FOR_EACH_VALUE_ID_IN_SET): New.
692 (value_id_compare): Remove.
693 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
694 sort expressions by value id.
696 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
699 * config/sh/predicates.md (general_movsrc_operand): Don't check
700 the subreg of system registers here.
702 2009-02-05 Jakub Jelinek <jakub@redhat.com>
705 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
708 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
710 PR rtl-optimization/39110
711 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
712 addresses, not aligned ones.
714 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
715 Richard Guenther <rguenther@suse.de>
717 PR tree-optimization/39100
718 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
719 comment says and add edges.
721 2009-02-05 Joseph Myers <joseph@codesourcery.com>
724 * c-common.c (handle_tls_model_attribute): Ignore attribute for
725 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
727 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
729 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
730 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
731 register_bb_in_sese, new_sese, free_sese): Moved.
732 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
733 outermost_loop_in_scop, build_scop_iteration_domain,
734 expand_scalar_variables_ssa_name, get_vdef_before_scop,
735 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
736 Use loop_in_sese_p instead of loop_in_scop_p.
737 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
738 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
739 (scopdet_basic_block_info): Fix bug in scop detection.
740 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
741 eq_loop_to_cloog_loop): Remove.
742 (nb_loops_around_loop_in_scop, nb_loop
743 ref_nb_loops): Moved here...
744 * graphite.h (ref_nb_loops): ... from here.
745 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
746 (loop_domain_dim, loop_iteration_vector_dim): Remove.
747 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
748 * testsuite/gcc.dg/graphite/scop-19.c: New
750 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
751 Hans-Peter Nilsson <hp@axis.com>
753 PR rtl-optimization/37889
754 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
755 Move offset handling from PLUS to before the switch. Use new
756 arguments when considering SYMBOL_REFs too.
757 (rtx_addr_can_trap_p): Pass dummy offset and size.
758 (enum may_trap_p_flags): Remove.
759 (may_trap_p_1): Pass size from MEM_SIZE.
761 PR rtl-optimization/38921
762 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
763 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
764 * rtlanal.c (may_trap_after_code_motion_p): Delete.
765 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
767 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
769 AVX Programming Reference (January, 2009)
770 * config/i386/sse.md (*vpclmulqdq): New.
772 2009-02-04 Jakub Jelinek <jakub@redhat.com>
774 PR tree-optimization/38977
775 PR gcov-profile/38292
776 * calls.c (special_function_p): Disregard __builtin_ prefix.
778 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
780 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
781 non-indexable addresses even before reload.
783 2009-02-03 Joseph Myers <joseph@codesourcery.com>
786 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
787 as having variable size. Do not give an error for unnamed
788 parameters with [*] declarators. Give a warning for type names
789 with [*] declarators and mark them as variable size.
790 * c-parser.c (c_parser_sizeof_expression): Do not give an error
791 for sizeof applied to [*] type names.
793 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
796 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
798 2009-02-03 Jakub Jelinek <jakub@redhat.com>
800 * gcc.c (process_command): Update copyright notice dates.
801 * gcov.c (print_version): Likewise.
802 * gcov-dump.c (print_version): Likewise.
803 * mips-tfile.c (main): Likewise.
804 * mips-tdump.c (main): Likewise.
806 2009-02-03 Joseph Myers <joseph@codesourcery.com>
809 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
810 for composite type involving a zero-length array type.
812 2009-02-03 Jakub Jelinek <jakub@redhat.com>
815 * function.c (match_asm_constraints_1): Skip over
816 initial optional % in the constraint.
819 * c-parser.c (c_parser_postfix_expression): If fixed point is not
820 supported, don't accept FIXED_CSTs.
821 * c-decl.c (finish_declspecs): Error if fixed point is not supported
822 and _Sat is used without _Fract/_Accum. Set specs->type to
823 integer_type_node for cts_fract/cts_accum if fixed point is not
826 2009-02-02 Catherine Moore <clm@codesourcery.com>
828 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
830 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
832 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
833 (ABI_HAS_64BIT_SYMBOLS): Use it.
834 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
836 2009-02-02 Paul Brook <paul@codesourcery.com>
838 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
840 2009-02-02 Jakub Jelinek <jakub@redhat.com>
843 * recog.h (asm_operand_ok): Add constraints argument.
844 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
845 recurse on matching constraint.
846 (check_asm_operands): Pass constraints as 3rd argument to
847 asm_operand_ok. Don't look up matching constraint here.
848 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
851 2009-02-02 Ben Elliston <bje@au.ibm.com>
853 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
854 TARGET_NARROW_VOLATILE_BITFIELD macro names.
856 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
858 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
859 information. Remove some obsolete information. Reorganize.
861 * config/pa/fptr.c: Revert license to GPL 2.
862 * config/pa/milli64.S: Likewise.
864 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
867 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
868 LIBRARY name in, instead of hard-coding it.
869 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
870 extra target make frag to tmake_files according to EH model.
871 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
872 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
873 frags that define makefile variable EH_MODEL appropriately.
874 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
875 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
876 to "-sjlj" according to type of EH configured.
877 (LIBGCC_SONAME): Concatenate it to shared library base name.
878 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
879 to "_sjlj" according to type of EH configured.
880 (LIBGCC_SONAME): Concatenate it to shared library base name.
881 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
882 (SHLIB_LINK): Add missing semicolon to if-else construct.
883 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
884 string value of "pe_dll" command-line option.
885 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
886 (SHLIB_SONAME): Use it when overriding t-cygming default.
887 (SHLIB_IMPLIB): Override t-cygming default.
888 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
889 string value of "pe_dll" command-line option.
891 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
894 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
895 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
897 2009-01-31 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/38937
900 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
901 computing the transitive closure.
903 2009-01-30 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/39041
906 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
907 Propagate variable indices only if the types match for this stmt.
909 2009-01-30 Jakub Jelinek <jakub@redhat.com>
912 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
913 inline but never defined.
915 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
917 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
918 (*insv_h_di_reg_extimm): New insn.
919 (*insv_l<mode>_reg_extimm): New insn.
921 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
923 * config/picochip/picochip.c (flag_conserve_stack): set
924 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
925 fconserve-stack. Reduce call-overhead used by inliner.
927 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
930 * common.opt (flag_conserve_stack): Initialised to zero.
932 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
935 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
936 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
939 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
941 * ira-color.c (allocno_reload_assign): Update comments.
942 * regmove.c (regmove_optimize): Likewise.
946 2009-01-29 Robert Millan <rmh@aybabtu.com>
948 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
949 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
951 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
953 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
955 PR tree-optimization/39007
956 * tree-loop-distribution.c (generate_builtin): Use
957 recompute_dominator to compute the immediate dominator of the
958 basic block just after the loop.
960 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
962 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
963 (ASM_OUTPUT_DWARF_PCREL): Define.
965 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
967 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
968 * doc/passes.texi: Remove entries about regclass, local-alloc, and
969 global. Modify entries about regmove and IRA.
971 * ra-conflict.c: Remove the file.
973 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
975 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
976 (pass_regclass_init): Rename to pass_reginfo_init.
978 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
980 * toplev.h (flag_ira): Remove.
982 * caller-save.c (setup_save_areas): Remove flag_ira.
984 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
986 * global.c: Remove the file.
988 * opts.c: (decode_options): Remove flag_ira.
990 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
992 * regmove.c: Modify file description.
993 (find_use_as_address, try_auto_increment): Define them only if
994 AUTO_INC_DEC is defined.
995 (replacement_quality, replace_in_call_usage, fixup_match_1,
996 stable_and_no_regs_but_for_p): Remove.
997 (reg_set_in_bb): Make it static.
998 (regmove_optimize): Remove flag_ira and code which worked for
1001 * local-alloc.c: Remove the file.
1003 * common.opt (fira): Remove.
1005 * ira.c: Include except.h.
1006 (eliminable_regset): Move from global.c.
1007 (mark_elimination): Ditto. Remove flag_ira.
1008 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1009 equiv_mem_modified, validate_equiv_mem_from_store,
1010 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1011 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1012 no_equiv, recorded_label_ref): Move from local-alloc.c.
1013 (update_equiv_regs): Ditto. Make it static.
1014 (print_insn_chain, print_insn_chains): Move it from global.c.
1015 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1016 (build_insn_chain): Ditto. Make it static.
1017 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1018 Rename to init_live_subregs.
1019 (gate_ira): Remove flag_ira.
1021 * regclass.c: Rename reginfo.c. Change file description.
1022 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1023 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1024 (init_reg_sets_1): Remove code for evaluation of
1025 reg_class_superclasses and losing_caller_save_reg_set.
1026 (init_regs): Remove init_reg_autoinc.
1027 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1028 ok_for_base_p_nonstrict): Remove.
1029 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1030 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1031 corresponding entries.
1032 (dump_regclass, record_operand_costs, scan_one_insn,
1033 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1034 record_address_regs, auto_inc_dec_reg_p): Remove.
1035 (gt-regclass.h): Rename to gt-reginfo.h.
1037 * rtl.h (dump_global_regs, retry_global_alloc,
1038 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1040 * Makefile.in (RA_H): Remove.
1041 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1042 Rename regclass.o to reginfo.o.
1043 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1045 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1046 (GTFILES): Rename regclass.c to reginfo.c.
1048 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1049 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1051 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1052 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1054 (finish_spills): Ditto. Remove code for !flag_ira.
1056 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1059 * doc/invoke.texi (rtl debug options): Complete rewrite.
1060 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1062 * mode-switching.c (pass_mode_switching): Rename pass from
1063 "mode-sw" to "mode_sw".
1064 * except.c (pass_convert_to_eh_ranges): Rename pass from
1065 "eh-ranges" to "eh_ranges".
1066 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1070 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1071 Alexander Monakov <amonakov@ispras.ru>
1074 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1076 (move_exprs_to_boundary): Change return type and pass through
1077 should_move from move_op. Relax assert. Update usage ...
1078 (schedule_expr_on_boundary): ... here. Use should_move instead of
1080 (move_op_orig_expr_found): Indicate that insn was disconnected from
1082 (code_motion_process_successors): Do not call after_merge_succs
1083 callback if original expression was not found when traversing any of
1085 (code_motion_path_driver): Change return type. Update prototype.
1086 (move_op): Update comment. Add a new parameter (should_move). Update
1087 prototype. Set *should_move based on indication provided by
1088 move_op_orig_expr_found.
1090 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1092 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1093 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1094 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1095 * config/rs6000/rs6000.c (rs6000_override_options): Default
1096 avoid-indexed-addresses on for Power6, off for everything else.
1097 (avoiding_indexed_address_p): New function.
1098 (rs6000_legitimize_address): Use it.
1099 (rs6000_legitimate_address): Likewise.
1100 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1102 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1104 PR tree-optimization/38997
1105 * tree-loop-distribution.c (generate_memset_zero): Use
1106 POINTER_PLUS_EXPR for a pointer addition.
1108 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1110 * config/s390/s390.md (bswap<mode>2): New pattern added.
1112 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1114 * config/s390/s390.md (*tls_load_31): Added type attribute.
1116 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1118 * config/s390/s390.md: Fix a few comments.
1120 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1122 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1123 (*tm<mode>_full): Fixed z10prop attribute.
1124 (*tst<mode>_extimm): Fixed z10prop attribute.
1125 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1126 (*tstqiCCT_cconly): Fixed z10prop attribute.
1127 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1128 (*movsi_larl): Fixed z10prop attribute.
1129 (*movsi_zarch): Fixed z10prop attribute.
1130 (*movsi_eas): Fixed z10prop attribute.
1131 (*movhi): Fixed z10prop attribute.
1132 (*movqi): Fixed z10prop attribute.
1133 (*movstrictqi): Fixed z10prop attribute.
1134 (*mov<mode>): Fixed z10prop attribute.
1135 (*movcc): Fixed z10prop attribute.
1136 (*sethighpartdi_64): Fixed z10prop attribute.
1137 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1138 (*negdi2_sign_cc): Fixed z10prop attribute.
1139 (*negdi2_sign): Fixed z10prop attribute.
1140 (*absdi2_sign_cc): Fixed z10prop attribute.
1141 (*absdi2_sign): Fixed z10prop attribute.
1142 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1143 (*negabsdi2_sign): Fixed z10prop attribute.
1144 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1145 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1146 (doloop_si64): Fixed z10prop attribute.
1147 (doloop_si31): Fixed z10prop attribute.
1148 (doloop_long): Fixed z10prop attribute.
1149 (indirect_jump): Fixed z10prop attribute.
1150 (nop): Fixed z10prop attribute.
1151 (main_base_64): Fixed z10prop attribute.
1152 (reload_base_64): Fixed z10prop attribute.
1154 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1156 PR rtl-optimization/38740
1157 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1159 * config/mips/mips.c (mips_reorg): Likewise.
1161 2009-01-28 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/38926
1164 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1165 with the correct value id to a value.
1166 (do_regular_insertion): Use the value number of edoubleprime
1167 for the value number of the expr.
1170 2008-08-21 Richard Guenther <rguenther@suse.de>
1172 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1173 a PHI ask VN if it is already available.
1174 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1175 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1177 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1180 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1181 set to varying whenever max has TREE_OVERFLOW set, similarly
1182 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1184 2009-01-28 Richard Guenther <rguenther@suse.de>
1187 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1188 uninitialized aggregate uses in call arguments.
1190 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1192 PR tree-optimization/38984
1193 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1194 the nothing_id variable if -fno-delete-null-pointer-checks.
1196 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1199 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1200 (set_got_offset_rex64): Ditto.
1202 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1205 * doc/extend.texi: Improve local variable with asm reg.
1207 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1209 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1210 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1211 was not supplied then set warn_packed_bitfield_compat to the
1213 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1216 2009-01-27 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/38503
1219 * cfgexpand.c (expand_gimple_basic_block): Ignore
1220 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1221 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1222 variables that cannot have TBAA applied.
1223 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1226 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1229 * calls.c (initialize_argument_information): Do not wrap complex
1230 arguments in SAVE_EXPR.
1232 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1234 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1235 (INSTALL_LIBGCC): Revert typo commit.
1237 2009-01-26 Richard Guenther <rguenther@suse.de>
1239 PR tree-optimization/38745
1240 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1241 from special handling.
1243 2009-01-26 Richard Guenther <rguenther@suse.de>
1245 PR tree-optimization/38745
1246 * tree-ssa.c (execute_update_addresses_taken): Do not include
1247 variables that cannot possibly be a register in not_reg_needs.
1248 Do not clear TREE_ADDRESSABLE on vars that may not become
1250 * tree-ssa.c (update_alias_info_1): Include those in the set
1251 of addressable vars.
1253 2009-01-26 Richard Guenther <rguenther@suse.de>
1256 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1257 * tree-ssa-dse.c: Include langhooks.h
1258 (execute_simple_dse): Remove stores with zero size.
1260 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1263 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1266 2009-01-24 Julian Brown <julian@codesourcery.com>
1268 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1269 config/arm/linux-atomic.c.
1270 * config/arm/linux-atomic.c: New.
1272 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1274 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1275 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1276 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1278 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1281 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1284 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1286 PR tree-optimization/38953
1287 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1288 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1289 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1290 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1293 2009-01-24 Paul Brook <paul@codesourcery.com>
1295 * config/arm/neon.md (neon_type): Move to arm.md.
1296 (neon_mov<VSTRUCT>): Add neon_type attribute.
1297 * config/arm/arm.md (neon_type): Move to here.
1298 (conds): Add "unconditioal" and use as default for NEON insns.
1300 2009-01-24 Ben Elliston <bje@au.ibm.com>
1302 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1303 void *' warning from -Wc++-compat.
1304 * Makefile.in (dominance.o-warn): Remove.
1306 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1308 PR tree-optimization/38932
1309 * fold-const.c (fold_unary_ignore_overflow): New.
1310 * tree.h (fold_unary_ignore_overflow): Declare.
1311 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1312 * tree-ssa-sccvn.c (visit_reference_op_load,
1313 simplify_unary_expression): Likewise.
1315 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1317 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1318 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1319 regardless of their type.
1320 * c-common.c (handle_packed_attribute): Don't ignore packed on
1322 * c.opt (Wpacked-bitfield-compat): New warning option.
1323 * stor-layout.c (place_field): Warn if offset of a field changed.
1324 * doc/extend.texi (packed): Mention the ABI change.
1325 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1326 (Warning Options): Add it to the list.
1328 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1330 * c-opts.c (c_common_post_options): Fix a typo in comments.
1332 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1335 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1336 variables to static.
1337 * doc/invoke.texi (-fmerge-all-constants): Update description.
1339 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1342 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1343 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1345 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1347 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1349 (LOCAL_ALIGNMENT): Similarly.
1351 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1352 Joseph Myers <joseph@codesourcery.com>
1354 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1355 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1356 * config/arm/arm-tune.md: Regenerate.
1357 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1360 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1362 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1363 version number to five.
1365 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1368 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1369 * c-common.c (set_underlying_type): Likewise.
1370 (is_typedef_decl ): Likewise
1372 (set_underlying_type): Likewise.
1373 (is_typedef_type): Likewise.
1375 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1378 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1381 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1384 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1385 (LIBGCC_SPEC): Don't define.
1386 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1388 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1390 PR rtl-optimization/38879
1391 * alias.c (base_alias_check): Unaligned access via AND address can
1392 alias all surrounding object types except those with sizes equal
1393 or wider than the size of unaligned access.
1395 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1398 * c-decl.c: (clone_underlying_type): Move this ...
1399 * c-common.c (set_underlying_type): ... here.
1400 Also, make sure the function properly sets TYPE_STUB_DECL() on
1401 the newly created typedef variant type.
1402 (is_typedef_decl ): New entry point.
1403 * tree.h: Added a new member member_types_needing_access_check to
1404 struct tree_decl_non_common.
1405 (set_underlying_type): New entry point.
1406 (is_typedef_type): Likewise.
1408 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1410 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1411 Check whether two instructions have memory references that
1412 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1413 are helper functions for traversing.
1414 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1415 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1416 not to draw dependency edge for instructions with non-conflicting
1419 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1422 * longlong.h: Update copyright years. Use soft-fp license notice.
1423 Sync __clz_tab declaration with glibc.
1425 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1428 * doc/extend.texi (syscall_linkage): New.
1429 (version_id): Modify.
1431 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1432 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/38747
1435 PR tree-optimization/38748
1436 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1437 conversion if the base address is an indirect reference and the
1438 aliasing sets could cause issues.
1440 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1442 * common.opt (fgraphite, fgraphite-identity): Add comment for
1443 explaining why these options are not documented.
1445 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1447 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1448 gimple_call_lhs is NULL.
1450 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1453 * emit-rtl.c (adjust_address_1): Make sure memref is never
1456 2009-01-20 Ben Elliston <bje@au.ibm.com>
1458 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1459 const qualifier from arg parameter. Remove unnecessary cast to char *.
1460 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1461 const qualifier from arg 2.
1463 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1465 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1467 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1470 * rtl.h (reinit_regs): New prototype.
1471 * regclass.c: Include ira.h.
1473 * Makefile.in (regclass.o): Add ira.h.
1474 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1476 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1479 * c-common.c (handle_aligned_attribute): Use
1480 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1481 default alignment value.
1483 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1485 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1486 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1488 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1489 __BIGGEST_ALIGNMENT__.
1491 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1493 2009-01-18 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/38819
1496 * tree-flow.h (operation_could_trap_helper_p): Declare.
1497 * tree-eh.c (operation_could_trap_helper_p): Export.
1498 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1499 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1500 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1501 are about to insert a possibly trapping instruction and fail
1504 2009-01-18 Andreas Schwab <schwab@suse.de>
1506 * doc/install.texi (Configuration): Remove obsolete paragraph
1507 about use of --with-gnu-ld with --with-gnu-as.
1509 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1511 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1512 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1513 Follow spelling conventions.
1515 2009-01-18 Ben Elliston <bje@au.ibm.com>
1517 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1518 C++ warning about implicit conversion from void * to struct
1520 (bitmap_obstack_free): Likewise for bitmap_element *.
1521 * Makefile.in (bitmap.o-warn): Remove.
1523 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1525 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1527 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1528 Tobias Grosser <tobi.grosser@amd.com>
1530 * graphite.c (graphite_trans_scop_block): Do not block single
1533 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1535 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1536 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1537 test with assertion.
1539 2009-01-16 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/38835
1543 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1544 and INT + PTR -> (INT)(PTR p+ INT) folding.
1545 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1547 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1550 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1551 the subreg from a lowpart subreg if it is also casting the value.
1553 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1554 Tobias Grosser <tobi.grosser@amd.com>
1556 * graphite.c (compare_prefix_loops): New.
1557 (build_scop_canonical_schedules): Rewritten.
1558 (graphite_transform_loops): Move build_scop_canonical_schedules
1559 after build_scop_iteration_domain.
1561 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1562 Tobias Grosser <tobi.grosser@amd.com>
1564 * graphite.c (add_conditions_to_domain): Add the loops to
1565 the dimension of the iteration domain. Do copy the domain
1566 only when it exists.
1567 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1568 (add_conditions_to_constraints): New.
1569 (can_generate_code_stmt, can_generate_code): Removed.
1570 (gloog): Do not call can_generate_code.
1571 (graphite_transform_loops): Call add_conditions_to_constraints
1572 after building the iteration domain.
1574 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1576 PR tree-optimization/38789
1577 * tree-ssa-threadedge.c
1578 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1579 __builtin_constant_p.
1581 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1583 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1584 examined before deleting them.
1586 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1588 * function.c (aggregate_value_p): Correctly extract the function
1589 type from CALL_EXPR_FN lookup.
1591 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1593 * config/picochip/picochip.c (picochip_override_options): Revert
1594 CFI asm flag disable commited previously.
1596 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1597 Tobias Grosser <tobi.grosser@amd.com>
1598 Jan Sjodin <jan.sjodin@amd.com>
1600 * graphite.c (scan_tree_for_params): On substractions negate
1601 all the coefficients of the term.
1602 (clast_to_gcc_expression_red): New. Handle reduction expressions
1603 of more than two operands.
1604 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1605 (get_vdef_before_scop): Handle also the case of default definitions.
1607 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1609 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1610 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1611 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1613 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1614 Joey Ye <joey.ye@intel.com>
1617 * cfgexpand.c (expand_stack_alignment): Don't update stack
1618 boundary nor check incoming stack boundary here.
1619 (gimple_expand_cfg): Update stack boundary and check incoming
1620 stack boundary here.
1622 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1624 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1626 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1628 PR rtl-optimization/38245
1629 * calls.c (expand_call): Add stack arguments to
1630 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1631 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1632 in regs and partially in memory or BLKmode arguments.
1633 (emit_library_call_value_1): Add stack arguments to
1634 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1635 ACCUMULATE_OUTGOING_ARGS).
1636 * dce.c: Include tm_p.h.
1637 (find_call_stack_args): New function.
1638 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1640 (mark_insn): Call find_call_stack_args for CALL_Ps.
1641 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1642 forwards. Allocate and free arg_stores bitmap if needed, pass it
1643 down to deletable_insn_p, don't mark stores set in arg_stores
1644 bitmap, clear the bitmap at the beginning of each bb.
1645 * Makefile.in (dce.o): Depend on $(TM_P_H).
1647 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1650 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1651 to make sure the insn is a conditional test (bug 22599). Reformat a
1654 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1657 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1658 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1659 (gloog): Do not call cleanup_tree_cfg.
1660 (graphite_transform_loops): Call cleanup_tree_cfg after all
1661 scops have been code generated.
1663 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1664 * doc/gty.texi (Invoking the garbage collector): Added new node
1665 and section documenting ggc_collect.
1667 2009-01-14 Richard Guenther <rguenther@suse.de>
1669 PR tree-optimization/38826
1671 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1672 initialization notes only if we actually emitted a warning.
1673 (intra_create_variable_infos): Add constraints for a result decl
1674 that is passed by hidden reference.
1675 (build_pred_graph): Mark all related variables non-direct on
1678 2009-01-14 Nick Clifton <nickc@redhat.com>
1680 * ira-conflicts.c: Include addresses.h for the definition of
1682 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1683 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1685 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1688 * Makefile.in (ira-lives.o): Add except.h.
1690 * ira-lives.c: Include except.h.
1691 (process_bb_node_lives): Process can_throw_internal.
1693 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1695 PR rtl-optimization/38774
1696 * combine.c (simplify_set): When undoing cc_use change, don't do
1697 PUT_CODE on the newly created comparison, but instead put back the
1700 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1702 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1703 values. Remove duplicate arm8 entry.
1705 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1707 PR tree-optimization/38786
1708 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1709 the SSA_NAME case of expand_scalar_variables_expr.
1710 Set the type of an expression to the type of its assign statement.
1711 (expand_scalar_variables_expr): Also gather the scalar computation
1712 used to index the memory access. Do not pass loop_p.
1713 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1714 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1715 the gimple_stmt_iterator where it inserts new code.
1717 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1718 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1720 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1722 * graphite.h (debug_value): Removed.
1723 * graphite.c (debug_value): Removed.
1725 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1727 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1728 ldrd/strd with two 32-bit instructions.
1730 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1732 * config/arm/arm.c (struct processors): Pass for speed down into
1733 cost helper functions.
1734 (const_ok_for_op): Handle COMPARE and inequality nodes.
1735 (arm_rtx_costs_1): Rewrite.
1736 (arm_size_rtx_costs): Update prototype.
1737 (arm_rtx_costs): Pass speed down to helper functions.
1738 (arm_slowmul_rtx_costs): Rework cost calculations.
1739 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1740 (arm_9e_rtx_costs): Likewise.
1742 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1744 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1745 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1746 (alpha_legitimize_address): Do not split local symbols wider than
1747 UNITS_PER_WORD into HIGH/LO_SUM parts.
1749 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1752 * gcc.c (process_command): Replace call to execvp with calls
1753 to pex_one and exit.
1755 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1758 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1759 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1760 variant for devices with 3-byte PC.
1761 (__tablejump_elpm__) : New.
1763 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1766 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1767 offsetof member-designator, handle it as `[0].'.
1769 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1771 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1772 function when not using named sections on targets with named sections
1773 if branch distance is less than 262132.
1775 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1777 * combine.c (combine_instructions): Recompute
1778 optimize_this_for_speed_p for each BB in the main combine loop.
1780 2009-01-12 Tomas Bily <tbily@suse.cz>
1783 * tree-loop-distribution.c (prop_phis): New function.
1784 (generate_builtin): Call prop_phis.
1785 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1787 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1789 PR tree-optimization/38807
1790 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1791 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1793 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1795 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1796 subreg of op0 to the original op0.
1798 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1800 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1802 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1805 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1806 starting with digits.
1808 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1811 * config/arm/arm.c (arm_is_long_call_p): Don't call
1812 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1814 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1816 * regrename.c (regrename_optimize): Fix dumping.
1817 (find_oldest_value_reg): Preserve REG_POINTER.
1818 (copy_hardreg_forward_1): Likewise.
1820 2009-01-09 Diego Novillo <dnovillo@google.com>
1822 * gimple.h (struct gimple_statement_base) <uid>: Document
1823 the restrictions on its use.
1825 (gimple_set_uid): Tidy.
1827 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1829 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1830 zero guard even if align_bytes != 0 and count is smaller than
1833 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1835 PR rtl-optimization/38495
1836 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1837 (add_range_and_copies_from_move_list): Print all added ranges.
1838 Add ranges to memory optimized destination.
1840 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1844 * config/i386/i386.c (override_options): Reject
1845 -mstringop-strategy=rep_8byte with -m32.
1846 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1847 to 1. Do count comparison against epilogue_size_needed at compile
1848 time even when count_exp was constant forced into register. For
1849 size_needed don't jump to epilogue, instead just avoid aligning
1850 and invoke the body algorithm. If need_zero_guard, add zero guard
1851 even if count is non-zero, but smaller than size_needed + number of
1852 bytes that could be stored for alignment.
1853 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1854 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1855 but smaller than size_needed + number of bytes that could be stored
1856 for alignment. Compare size_needed with epilogue_size_needed instead
1857 of desired_align - align, don't adjust size_needed, pass
1858 epilogue_size_needed to the epilogue expanders.
1861 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1863 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1865 * pa.c (last_address): Change to unsigned.
1866 (update_total_code_bytes): Change argument to unsigned. Don't
1867 check if insn addresses are set.
1868 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1869 addresses are not set.
1870 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1872 2009-01-09 Nick Clifton <nickc@redhat.com>
1874 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1875 DECL_DECLARED_INLINE_P.
1877 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1880 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1881 GET_MODE (op0) in operand_subword_force calls.
1884 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1885 fold_convert arg0 operands to TREE_TYPE (op0) first.
1887 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1889 * params.def (ira-max-conflict-table-size): Decrease default value
1892 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1894 PR tree-optimization/37031
1895 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1897 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1898 allocate it using gc instead of heap, use VEC_quick_push instead of
1900 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1901 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1902 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1903 allocated vector from heap allocated.
1904 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1905 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1906 vector only after perfect_loop_nest_depth call.
1908 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1909 Jan Sjodin <jan.sjodin@amd.com>
1911 PR tree-optimization/38559
1912 * graphite.c (debug_value, copy_constraint,
1913 swap_constraint_variables, scale_constraint_variable, ): New.
1914 (get_lower_bound, get_upper_bound): Removed.
1915 (graphite_trans_bb_strip_mine): Clean up this code that works
1916 only for constant number of iterations. Fully copy upper and
1917 lower bound constraints, not only the constant part of them.
1918 * graphite.h (debug_value): Declared.
1920 2009-01-08 Ira Rosen <irar@il.ibm.com>
1922 PR tree-optimization/37194
1923 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1924 Don't add the cost of cost model guard in prologue to scalar
1925 outside cost in case of known number of iterations.
1927 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1928 Alan Modra <amodra@bigpond.net.au>
1930 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1931 non-word-aligned REG+CONST addressing.
1933 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1936 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1937 free_after_compilation when outputting a thunk.
1938 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1939 Do not call free_after_compilation here.
1941 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1943 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1944 (ix86_valid_target_attribute_inner_p): Ditto.
1946 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1948 PR tree-optimization/38492
1949 PR tree-optimization/38498
1950 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1951 * tree-chrec.h (scev_is_linear_expression): Declared.
1952 * graphite.c (graphite_cannot_represent_loop_niter): New.
1953 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1954 (graphite_loop_normal_form): Use gcc_assert.
1955 (scan_tree_for_params): Use CASE_CONVERT.
1956 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1957 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1958 Use gcc_assert. Discard scops that contain unhandled cases.
1959 (build_scop_conditions): Return a boolean status for unhandled cases.
1960 (strip_mine_profitable_p): Print the loop number, not its depth.
1961 (is_interchange_valid): Pass the depth of the loop nest, don't
1962 recompute it wrongly.
1963 (graphite_trans_bb_block): Same.
1964 (graphite_trans_bb_block): Print tentative of loop blocking.
1965 (graphite_trans_scop_block): Do not print that the loop has been
1967 (graphite_transform_loops): Do not handle scops that contain condition
1970 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1972 AVX Programming Reference (December, 2008)
1973 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1974 (_mm256_stream_pd): Likewise.
1975 (_mm256_stream_ps): Likewise.
1977 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1978 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1979 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1980 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1981 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1982 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1983 (ix86_expand_special_args_builtin): Likewise.
1985 * config/i386/sse.md (AVXMODEDI): New.
1986 (avx_movnt<mode>): Likewise.
1987 (avx_movnt<mode>): Likewise.
1988 (<sse>_movnt<mode>): Remove AVX support.
1989 (sse2_movntv2di): Likewise.
1991 2009-01-07 Richard Guenther <rguenther@suse.de>
1994 * fold-const.c (extract_muldiv): Remove obsolete comment.
1995 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1996 to PLUS_EXPR canonicalization for the canonicalization.
1998 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2000 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2001 hosted cross-compilers generating less efficient code.
2003 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2005 * function.h (rtl_data): Add a dbr_scheduled_p field.
2006 * reorg.c (dbr_schedule): Set it.
2007 (gate_handle_delay_slots): Check it.
2008 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2009 (mips_reorg): Check flag_delayed_branch instead of
2010 mips_base_delayed_branch.
2011 (mips_override_options): Don't set mips_base_delayed_branch
2012 or flag_delayed_branch.
2014 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2016 PR rtl-optimization/38426.
2017 * ira.c (ira): Set current_function_is_leaf earlier.
2019 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2021 PR rtl-optimization/38722
2022 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2023 too early, only set a flag and modify after last possible
2026 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2029 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2030 * real.c (decimal_single_format): Correct values of emin and emax.
2031 (decimal_double_format): Ditto.
2032 (decimal_quad_format): Ditto.
2033 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2034 computation of DECnn_MIN and DECnn_MAX for corrected values of
2035 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2036 __DECnn_MIN__, and adjust its computation for the corrected value
2039 2009-01-06 Jan Hubicka <jh@suse.cz>
2042 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2044 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2046 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2047 Add Robert Clark to the list of testers.
2049 2009-01-06 Jan Hubicka <jh@suse.cz>
2050 Kai Tietz <kai.tietz@onevision.com>
2052 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2053 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2055 2009-01-06 Jan Hubicka <jh@suse.cz>
2056 Kai Tietz <kai.tietz@onevision.com>
2058 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2060 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2061 (ix86_nsaved_regs): Count only general purpose regs.
2062 (ix86_nsaved_sseregs): New.
2063 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2064 to 16 for w64; compute padding and size of sse reg save area.
2065 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2066 general purpose regs.
2067 (ix86_emit_save_sse_regs_using_mov): New.
2068 (ix86_expand_prologue): Save SSE regs if needed.
2069 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2070 (ix86_emit_restore_sse_regs_using_mov): New.
2071 (ix86_expand_epilogue): Save SSE regs if needed.
2073 2009-01-06 Jan Hubicka <jh@suse.cz>
2074 Kai Tietz <kai.tietz@onevision.com>
2076 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2077 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2078 functions when accumulate outgoing args is off.
2080 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2083 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2084 before using pseudos_have_intersected_live_ranges_p.
2086 * ira-int.h (ira_assert): Always define.
2088 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2090 AVX Programming Reference (December, 2008)
2091 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2092 (_mm256_permute2_pd): Likewise.
2093 (_mm_permute2_ps): Likewise.
2094 (_mm256_permute2_ps): Likewise.
2095 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2096 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2098 * config/i386/i386.c (ix86_builtins): Remove
2099 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2100 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2101 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2102 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2103 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2104 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2105 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2106 __builtin_ia32_vpermil2ps256.
2107 (ix86_init_mmx_sse_builtins): Updated.
2108 (ix86_expand_args_builtin): Likewise.
2110 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2112 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2113 long absolute calls when generating PA 2.0 code.
2115 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2117 PR rtl-optimization/38583
2118 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2120 * params.def (ira-max-conflict-table-size): New.
2122 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2124 * ira.h (ira_conflicts_p): New external definition.
2126 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2127 table. Report this. Return result of building.
2128 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2129 building conflict table.
2131 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2132 (ira_color): Use ira_conflicts_p.
2134 * global.c: Include ira.h.
2135 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2138 * Makefile.in (global.o): Add ira.h.
2140 * ira-build.c (mark_all_loops_for_removal,
2141 propagate_some_info_from_allocno): New.
2142 (remove_unnecessary_allocnos): Call
2143 propagate_some_info_from_allocno.
2144 (remove_low_level_allocnos): New.
2145 (remove_unnecessary_regions): Add parameter. Call
2146 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2147 parameter to remove_unnecessary_regions.
2148 (ira_build): Remove all regions but root if the conflict table was
2149 not built. Update conflict hard regs for allocnos crossing calls.
2151 * ira.c (ira_conflicts_p): New global.
2152 (ira): Define and use ira_conflicts_p.
2154 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2155 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2156 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2158 2009-01-06 Ben Elliston <bje@au.ibm.com>
2160 * gengtype-lex.l (YY_NO_INPUT): Define.
2162 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2165 * c-common.c (handle_vector_size_attribute): Also reject
2168 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2170 PR tree-optimization/38492
2171 * graphite.c (rename_map_elt, debug_rename_elt,
2172 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2173 rename_map_elt_info, eq_rename_map_elts,
2174 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2175 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2176 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2177 (sese_build_livein_liveouts): New.
2178 (new_sese, free_sese): New.
2179 (new_scop): Call new_sese.
2180 (free_scop): Call free_sese.
2181 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2182 (register_old_new_names): Renamed register_old_and_new_names.
2183 (register_scop_liveout_renames, add_loop_exit_phis,
2184 insert_loop_close_phis, struct igp,
2185 default_liveout_before_guard, add_guard_exit_phis,
2186 insert_guard_phis, copy_renames): New.
2187 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2188 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2189 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2190 (scop_adjust_phis_for_liveouts): New.
2191 (gloog): Call scop_adjust_phis_for_liveouts.
2193 * graphite.h (struct sese): Documented. Added fields liveout,
2195 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2196 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2197 (struct scop): Added field liveout_renames.
2198 (SCOP_LIVEOUT_RENAMES): New.
2200 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2202 PR tree-optimization/38510
2203 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2204 (translate_clast): Call recompute_all_dominators before
2206 (gloog): Call recompute_all_dominators before graphite_verify.
2208 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2209 Jan Sjodin <jan.sjodin@amd.com>
2211 PR tree-optimization/38500
2212 * graphite.c (create_sese_edges): Call fix_loop_structure after
2215 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2217 * config.gcc: Add m32r*-*-rtems*.
2218 * config/m32r/rtems.h: New file.
2220 2009-01-05 Ben Elliston <bje@au.ibm.com>
2222 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2223 (.po.pox): Likewise.
2224 (po/gcc.pot): Likewise.
2226 2009-01-04 David S. Miller <davem@davemloft.net>
2228 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2229 (STARTING_FRAME_OFFSET): Always set to zero.
2231 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2233 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2234 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2235 fixed-point types, and vectors of the same.
2237 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2239 * config/mips/sync.md (*mb_barrier): Rename to...
2240 (*memory_barrier): ...this.
2242 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2244 * doc/extend.texi (Function Attributes): Move @cindex after @item
2245 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2246 and put in alphabetical order. Fix 'target' name and put in order.
2247 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2250 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2252 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2253 (memory_barrier): Expand as unspec instead of unspec_volatile.
2254 Remove mem:BLK from insn operands. Use Pmode scratch register.
2255 (*memory_barrier): Define as unspec instead of unspec_volatile.
2256 Use (match_dup 0) as input operand.
2258 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2259 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2260 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2261 scratch register. Remove operand 1.
2262 (*stbar): Define as unspec instead of unspec_volatile.
2263 Use (match_dup 0) as input operand, remove (const_int 8).
2264 (*membar): Define as unspec instead of unspec_volatile.
2265 Use (match_dup 0) as input operand, remove input operand 2.
2267 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2268 (memory_barrier): Expand as unspec instead of unspec_volatile.
2269 Remove mem:BLK from insn operands. Use Pmode scratch register.
2270 (*memory_barrier): Define as unspec instead of unspec_volatile.
2271 Use (match_dup 0) as input operand.
2273 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2274 Remove mem:BLK from insn operands. Use Pmode scratch register.
2275 Set volatile flag on operand 0.
2276 (*memory_barrier): New insn pattern.
2278 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2280 (*memory_barrier): Use (match_dup 0) as input operand.
2282 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2283 Remove mem:BLK from insn operands. Use Pmode scratch register.
2284 Set volatile flag on operand 0.
2285 (*mb_internal): New insn pattern.
2287 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2289 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2292 * function.c (struct temp_slot): Move to the section of the file
2293 that deals with temp slots. Remove field 'address'.
2294 (temp_slot_address_table): New hash table of address -> temp slot.
2295 (struct temp_slot_address_entry): New struct, items for the table.
2296 (temp_slot_address_compute_hash, temp_slot_address_hash,
2297 temp_slot_address_eq, insert_temp_slot_address): Support functions
2299 (find_temp_slot_from_address): Rewrite to use the new hash table.
2300 (remove_unused_temp_slot_addresses): Remove addresses of temp
2301 slots that have been made available.
2302 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2303 worker function for remove_unused_temp_slot_addresses.
2304 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2305 Add the temp slot address to the address -> temp slot map.
2306 (update_temp_slot_address): Update via insert_temp_slot_address.
2307 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2308 (pop_temp_slots): Likewise.
2309 (init_temp_slots): Allocate the address -> temp slot map, or empty
2310 the map if it is already allocated.
2311 (prepare_function_start): Initialize temp slot processing.
2313 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2316 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2317 Calculate the size of all stack vars assuming no packing of stack
2318 vars will happen, replacing a quadratic algorithm with a linear one.
2320 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2323 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2326 2009-01-03 Diego Novillo <dnovillo@google.com>
2328 * doc/contrib.texi: Update contributions.
2330 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2333 * builtins.c (fold_builtin_memory_op): Give up if either operand
2334 is volatile. Set srctype or desttype to non-qualified version
2338 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2341 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2343 PR rtl-optimization/35805
2344 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2345 problem if fast dce is able to remove any instructions.
2346 * dce.c (dce_process_block): Fix dump message.
2348 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2351 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2353 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2356 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2357 * tree-pretty-print.c (op_code_prio): New function.
2358 (op_prio): No longer static. Use op_code_prio.
2359 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2360 Use op_prio and op_code_prio to determine if () should be
2361 printed around operand(s) or not.
2363 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2364 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2365 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2366 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2367 pp_character instead of pp_string for single letter printing.
2369 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2371 * doc/extend.texi: Fix '#pragma GCC option' typo.
2373 2009-01-02 Richard Guenther <rguenther@suse.de>
2375 * doc/install.texi (--enable-checking): Mention different
2377 (--enable-stage1-checking): Document.
2379 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2382 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2383 case to be an error.
2385 2009-01-02 Ben Elliston <bje@au.ibm.com>
2387 * config/fp-bit.h (pack_d): Constify argument.
2388 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2389 (isnan): Constify argument.
2393 (_fpadd_parts): Constify return type.
2394 (_fpmul_parts): Likewise.
2395 (_fpdiv_parts): Likewise.
2397 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2400 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2401 warn about overwriting initializer with side-effects or
2402 -Woverride-init if !IMPLICIT.
2403 (output_init_element): Likewise. Pass IMPLICIT down to
2405 (process_init_element): Add IMPLICIT argument. Pass it down
2406 to output_init_element.
2407 (push_init_element, pop_init_level, set_designator): Adjust
2408 process_init_element callers.
2409 (set_nonincremental_init, set_nonincremental_init_from_string):
2410 Adjust add_pending_init callers.
2411 (output_pending_init_elements): Adjust output_init_element callers.
2412 * c-tree.h (process_init_element): Adjust prototype.
2413 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2414 process_init_element callers.