1 2008-02-25 H.J. Lu <hongjiu.lu@intel.com>
3 PR rtl-optimization/39241
4 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5 to subreg_offset_representable_p.
7 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
9 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10 execute function prototype. Get f and nregs from max_reg_num
11 and get_insns. Remove the first backward pass as it's dead,
12 guard the forward pass by flag_expensive_optimizations.
13 (rest_of_handle_regmove): Delete.
14 (pass_regmove): Replace it with regmove_optimize.
16 2009-02-25 Martin Jambor <mjambor@suse.cz>
18 PR tree-optimization/39259
19 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
20 alls_alloca function flags.
21 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
24 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
26 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
27 flags_set_1_rtx, flags_set_1_set): Delete.
28 (regmove_optimize): Do not call mark_flags_life_zones.
30 2009-02-24 Julian Brown <julian@codesourcery.com>
33 * config/arm/arm.c (require_pic_register): Only set
34 cfun->machine->pic_reg once per function.
36 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
38 * doc/invoke.texi (Link Options): Document an easier way to pass
39 options that take arguments to the GNU linker using -Xlinker and
42 2009-02-24 Steve Ellcey <sje@cup.hp.com>
45 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
47 2009-02-24 Richard Guenther <rguenther@suse.de>
50 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
52 2009-02-24 Richard Guenther <rguenther@suse.de>
53 Zdenek Dvorak <ook@ucw.cz>
55 PR tree-optimization/39233
56 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
57 from converting them to a generic type.
59 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
61 PR tree-optimization/39260
62 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
63 contains a condition with a real type.
64 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
66 2009-02-23 Jason Merrill <jason@redhat.com>
69 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
70 narrowing_initializer_constant_valid_p.
71 (narrowing_initializer_constant_valid_p): Don't return
72 null_pointer_node for adding a pointer to itself.
74 2009-02-23 Jan Hubicka <jh@suse.cz>
77 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
79 2009-02-23 Jan Hubicka <jh@suse.cz>
81 PR tree-optimization/37709
82 * tree.c (block_ultimate_origin): Move here from dwarf2out.
83 * tree.h (block_ultimate_origin): Declare.
84 * dwarf2out.c (block_ultimate_origin): Move to tree.c
85 * tree-ssa-live.c (remove_unused_scope_block_p):
86 Eliminate blocks containig no instructions nor live variables nor
88 (dump_scope_block): New function.
89 (remove_unused_locals): Enable removal of dead blocks by default;
90 enable dumping at TDF_DETAILS.
92 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
94 * config/i386/i386.c (classify_argument): Don't allow COImode
96 (function_arg_advance_32): Don't allow OImode.
97 (function_arg_32): Likewise.
98 (function_value_32): Likewise.
99 (return_in_memory_32): Likewise.
100 (function_arg_64): Remove OImode comment.
102 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
105 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
106 ix86_expand_vector_set for V4DImode in 64bit mode only.
107 (ix86_expand_vector_init_one_var): Likewise.
109 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
111 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
113 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
116 * loop-iv.c: Revert last change.
117 * emit-rtl.c: Likewise.
119 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
122 * config/i386/i386.c (type_natural_mode): Remove an extra
123 space in the warning message.
124 (function_value_32): Handle 32-byte vector modes.
125 (return_in_memory_32): Likewise.
127 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
129 * loop-iv.c (truncate_value): New function.
130 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
132 (lowpart_subreg): Move to...
133 * emit-rtl.c: ...here.
135 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
137 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
138 accidental and undocumented change at revision 140860.
140 2009-02-21 Joseph Myers <joseph@codesourcery.com>
142 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
143 take gimple_seq * arguments.
144 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
145 types_compatible_p langhook.
147 2009-02-20 Mark Mitchell <mark@codesourcery.com>
148 Joseph Myers <joseph@codesourcery.com>
150 * config/arm/arm.c (arm_builtin_va_list): New function.
151 (arm_expand_builtin_va_start): Likewise.
152 (arm_gimplify_va_arg_expr): Likewise.
153 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
154 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
155 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
156 (va_list_type): New variable.
157 (arm_mangle_type): Mangle va_list_type appropriately.
159 2009-02-20 Jakub Jelinek <jakub@redhat.com>
162 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
163 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
164 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
165 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
166 parameter to 1000 for -O1 by default.
167 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
169 * loop-invariant.c: Include params.h.
170 (move_loop_invariants): Don't call move_single_loop_invariants on
173 2009-02-20 Jaka Mocnik <jaka@xlab.si>
175 * calls.c (emit_library_call_value_1): Use slot_offset instead of
176 offset when calculating bounds for indexing stack_usage_map. Fixes
177 a buffer overflow with certain target setups.
179 2009-02-20 Jakub Jelinek <jakub@redhat.com>
182 * calls.c (expand_call): Clear try_tail_call if caller and callee
183 disagree in promotion of function return value.
185 2009-02-19 Jakub Jelinek <jakub@redhat.com>
188 * c-common.c (c_determine_visibility): If visibility changed and
189 DECL_RTL has been already set, call make_decl_rtl to update symbol
192 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
195 * varasm.c (assemble_variable): Don't check DECL_NAME when
196 globalizing a variable.
198 2009-02-19 Joseph Myers <joseph@codesourcery.com>
201 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
202 expression before any __builtin_trap call.
203 * c-typeck.c (build_function_call): Convert and check function
204 arguments before generating a call to a trap. Evaluate the
205 function arguments before the trap.
207 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
210 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
211 (UNSPEC_FXAM_MEM): New unspec.
212 (fxam<mode>2_i387_with_temp): New insn and split pattern.
213 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
214 memory using fxam<mode>2_i387_with_temp to remove excess precision.
216 2009-02-19 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/39207
219 PR tree-optimization/39074
220 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
221 storedanything_tree): New.
222 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
223 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
224 (build_succ_graph): Add edges from STOREDANYTHING to all
226 (init_base_vars): Initialize STOREDANYTHING.
227 (compute_points_to_sets): Free substitution info after
228 building the succ graph.
229 (ipa_pta_execute): Likewise.
231 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
233 (do_ds_constraint): Do not add to special var or non-pointer
235 (type_could_have_pointers): Split out from ...
236 (could_have_pointers): ... here. For arrays use the element type.
237 (create_variable_info_for): Initialize may_have_pointers.
238 (new_var_info): Likewise.
239 (handle_lhs_call): Make the HEAP variable unknown-sized.
240 (intra_create_variable_infos): Use a type with pointers for
241 PARM_NOALIAS, make it unknown-sized.
243 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
246 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
248 2009-02-18 Jason Merrill <jason@redhat.com>
251 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
252 value if DECL_EXTERNAL.
253 * tree-sra.c (sra_walk_gimple_assign): Likewise.
254 * target.h (gcc_target::binds_local_p): Clarify "module".
255 * tree.h (TREE_PUBLIC): Clarify "module".
257 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
260 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
261 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
263 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
266 * c.opt (Wabi): Support C and ObjC.
269 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
271 * config/i386/i386.c (classify_argument): Warn once about the ABI
272 change when passing union with long double.
274 * doc/invoke.texi: Update -Wabi for warning psABI changes.
276 2009-02-18 Joseph Myers <joseph@codesourcery.com>
279 * c-parser.c (c_parser_compound_statement): Always enter and leave
282 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
285 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
287 2009-02-18 Jakub Jelinek <jakub@redhat.com>
289 PR tree-optimization/36922
290 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
291 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
294 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
296 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
299 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
301 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
303 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
305 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
308 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
309 Richard Sandiford <rdsandiford@googlemail.com>
311 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
312 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
313 (loongson_biadd): ...this.
315 2009-02-17 Richard Guenther <rguenther@suse.de>
317 PR tree-optimization/39202
318 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
319 a var make sure to follow existing collapses.
321 2009-02-17 Richard Guenther <rguenther@suse.de>
324 * langhooks.c (lhd_print_error_function): Check for NULL block.
326 2009-02-17 Richard Guenther <rguenther@suse.de>
328 PR tree-optimization/39204
329 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
332 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
334 * config/soft-fp/double.h: Update from glibc CVS.
336 2009-02-17 Richard Guenther <rguenther@suse.de>
338 PR tree-optimization/39207
339 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
340 strict-aliasing warnings for pointers pointing to NULL.
342 2009-02-16 Joseph Myers <joseph@codesourcery.com>
345 * c-parser.c (c_parser_braced_init): Call pop_init_level when
346 skipping until next close brace.
348 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
351 * config/i386/i386.c (ix86_expand_push): Set memory alignment
352 to function argument boundary.
354 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
356 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
357 in the lea_add. Reload eventually constraints it properly.
358 * config/picochip/constraints.md : Remove the target constraint
359 "b", since it is not needed anymore.
361 2009-02-16 Jakub Jelinek <jakub@redhat.com>
363 * gthr-dce.h: Uglify function parameter and local variable names.
364 * gthr-gnat.h: Likewise.
365 * gthr-mipssde.h: Likewise.
366 * gthr-nks.h: Likewise.
367 * gthr-posix95.h: Likewise.
368 * gthr-posix.h: Likewise.
369 * gthr-rtems.h: Likewise.
370 * gthr-single.h: Likewise.
371 * gthr-solaris.h: Likewise.
372 * gthr-tpf.h: Likewise.
373 * gthr-vxworks.h: Likewise.
374 * gthr-win32.h: Likewise.
376 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
379 * config/i386/i386.md: Restrict the new peephole2 to move
380 between MMX/SSE registers.
382 2009-02-15 Richard Guenther <rguenther@suse.de>
385 2009-02-13 Richard Guenther <rguenther@suse.de>
387 * configure.ac: Enable LFS.
388 * configure: Re-generate.
389 * config.in: Likewise.
391 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
393 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
394 spu_srqwbyte, spu_srqwbytebc): Define.
395 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
396 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
397 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
398 "shrqby_<mode>"): New insn-and-split patterns.
399 * config/spu/spu.c (expand_builtin_args): Determine and return
400 number of operands using spu_builtin_description data.
401 (spu_expand_builtin_1): Use it.
403 2009-02-13 Steve Ellcey <sje@cup.hp.com>
406 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
409 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
412 * config/i386/i386.c (override_options): Correct warning
413 messages for -malign-loops, -malign-jumps and -malign-functions.
415 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
418 * config/i386/i386.md: Restrict the new peephole2 to move
419 between the general purpose registers.
421 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
424 * config/i386/i386.c (type_natural_mode): Add a new argument.
425 Return the original mode and warn ABI change if vector size is 32byte.
426 (function_arg_advance): Updated.
427 (function_arg): Likewise.
428 (ix86_function_value): Likewise.
429 (ix86_return_in_memory): Likewise.
430 (ix86_sol10_return_in_memory): Likewise.
431 (ix86_gimplify_va_arg): Likewise.
432 (function_arg_32): Don't warn ABX ABI change here.
433 (function_arg_64): Likewise.
435 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
437 * loop-iv.c (implies_p): In the final case, test that operands 0
438 of the two comparisons match.
440 * config/bfin/bfin.c (find_prev_insn_start): New function.
441 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
442 (find_next_insn_start): Move.
444 2009-02-13 Richard Guenther <rguenther@suse.de>
446 * configure.ac: Enable LFS.
447 * configure: Re-generate.
448 * config.in: Likewise.
450 2009-02-13 Joseph Myers <joseph@codesourcery.com>
453 * c-parser.c (c_parser_parms_list_declarator): Discard pending
454 sizes on syntax error after some arguments have been parsed.
456 2009-02-12 Jakub Jelinek <jakub@redhat.com>
458 * doc/invoke.texi (-fira): Remove.
460 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
462 * caller-save.c: Replace regclass.c with reginfo.c in comments.
466 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
468 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
469 (umul_ppmm): Likewise.
470 (count_leading_zeros): Likewise.
471 (count_trailing_zeros): Likewise.
472 (UMUL_TIME): Likewise.
474 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
476 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
477 soft-fp/t-softfp to tmake_file.
479 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
480 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
481 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
482 IA64_BUILTIN_INFQ]: New.
483 (ia64_init_builtins): Initialize __builtin_infq,
484 __builtin_fabsq and __builtin_copysignq if not HPUX.
485 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
486 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
488 * config/ia64/lib1funcs.asm (__divtf3): Define only if
490 (__fixtfti): Likewise.
491 (__fixunstfti): Likewise.
492 (__floattitf): Likewise.
494 * config/ia64/libgcc-glibc.ver: New.
495 * config/ia64/t-fprules-softfp: Likewise.
496 * config/ia64/sfp-machine.h: Likewise.
498 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
499 (LIBGCC2_TF_CEXT): Likewise.
501 (TARGET_INIT_LIBFUNCS): Likewise.
503 * config/ia64/t-glibc (SHLINB_MAPFILES):
504 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
506 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
508 * config/i386/i386.c (construct_container): Rewrite processing
509 BLKmode with X86_64_SSE_CLASS.
511 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
514 * config/i386/i386.md: Replace simplify_replace_rtx with
515 replace_rtx in the new peephole2.
517 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
519 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
520 loop unrolling do not happen at -O2.
522 2009-02-12 Michael Matz <matz@suse.de>
524 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
526 2009-02-12 Jakub Jelinek <jakub@redhat.com>
528 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
531 2009-02-12 Ben Elliston <bje@au.ibm.com>
533 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
534 patterns when updating the back chain. Missed in the 2009-02-10
537 2009-02-11 Janis Johnson <janis187@us.ibm.com>
539 * doc/extend.texi (Decimal Floating Types): Update identifier of
540 draft TR and list of missing support.
542 2009-02-11 Jakub Jelinek <jakub@redhat.com>
545 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
546 bit to variable length decl's flags, add it also to its
547 pointer replacement variable.
549 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
550 Jakub Jelinek <jakub@redhat.com>
553 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
554 (memory_blockage): New expander.
555 (*memory_blockage): New insn pattern.
556 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
557 instead of general blockage at the end of function prologue when
558 frame pointer is used to access red zone area. Do not emit blockage
559 when profiling, it is emitted in generic code.
560 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
561 function epilogue when frame pointer is used to access red zone area.
563 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
566 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
567 by arithmetic with memory operands.
568 * config/i386/predicates.md (commutative_operator): New.
570 2009-02-10 Janis Johnson <janis187@us.ibm.com>
572 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
575 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
577 * alias.h (record_alias_subset): Declare.
578 * alias.c (record_alias_subset): Make global.
580 2009-02-10 Nick Clifton <nickc@redhat.com>
582 * tree-parloops.c: Change license to GPLv3.
583 * ipa-struct-reorg.c: Change license to GPLv3.
584 * ipa-struct-reorg.h: Change license to GPLv3.
586 2009-02-10 Steve Ellcey <sje@cup.hp.com>
589 * c-decl.c (start_struct): Return NULL on error.
591 2009-02-10 Jakub Jelinek <jakub@redhat.com>
594 * cfgloopmanip.c (remove_path): Call remove_bbs after
595 cancel_loop_tree, not before it.
598 * function.h (struct function): Add has_local_explicit_reg_vars bit.
599 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
601 * tree-ssa-live.c (remove_unused_locals): Recompute
602 cfun->has_local_explicit_reg_vars.
603 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
604 copies or clearings if cfun->has_local_explicit_reg_vars.
606 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
609 * config/i386/i386.c (expand_prologue): Emit blockage at the end
610 of function prologue when frame pointer is used to access
613 2009-02-10 Richard Guenther <rguenther@suse.de>
616 * gimplify.c (gimple_regimplify_operands): Always look if
617 we need to create a temporary.
619 2009-02-10 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/39132
622 * tree-loop-distribution.c (todo): New global var.
623 (generate_memset_zero): Trigger TODO_rebuild_alias.
624 (tree_loop_distribution): Return todo.
626 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
629 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
630 (x86_64_reg_class_name): Removed.
631 (classify_argument): Return 0 if bytes > 32. Return 0 if the
632 first one isn't X86_64_SSE_CLASS or any other ones aren't
633 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
634 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
635 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
636 and 3 X86_64_SSEUP_CLASS.
637 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
638 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
640 2009-02-10 Ben Elliston <bje@au.ibm.com>
642 * config/rs6000/rs6000.md (allocate_stack): Always use an update
643 form instruction to update the stack back chain word, even if the
644 user has disabled the generation of update instructions.
645 (movdi_<mode>_update_stack): New.
646 (movsi_update_stack): Likewise.
647 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
648 always use an update form instruction to update the stack back
651 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
654 * graphite.c (if_region_set_false_region): After moving a region in
655 the false branch of a condition, remove the empty dummy basic block.
656 (gloog): Remove wrong fix for PR38953.
658 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
660 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
661 generation due to implicit sign extension.
663 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
666 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
667 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
669 2009-02-09 Richard Guenther <rguenther@suse.de>
672 * convert.c (convert_to_real): Disable (float)fn((double)x)
673 to fnf(x) conversion if errno differences may occur and
676 2009-02-07 Anatoly Sokolov <aesok@post.ru>
678 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
679 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
680 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
682 2009-02-06 Joseph Myers <joseph@codesourcery.com>
685 * c-common.c (handle_alias_attribute): Disallow attribute for
686 anything not a FUNCTION_DECL or VAR_DECL.
688 2009-02-06 Janis Johnson <janis187@us.ibm.com>
691 * real.c (do_compare): Special-case compare of zero against
694 2009-02-06 Joseph Myers <joseph@codesourcery.com>
697 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
698 as indicating flexible array members unless the field itself is
699 being declarared as the incomplete array.
701 2009-02-06 Jan Hubicka <jh@suse.cz>
703 PR tree-optimization/38844
704 * ipa-inline.c (try_inline): Stop inlining recursion when edge
707 2009-02-06 Richard Guenther <rguenther@suse.de>
710 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
711 fork because we may expand it as __gcov_fork.
713 2009-02-06 Nick Clifton <nickc@redhat.com>
715 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
717 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
719 PR tree-optimization/35659
720 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
721 vn_phi_eq): Shortcut if hashcode does not match.
722 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
724 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
725 and avoid iterative_hash_expr.
726 (FOR_EACH_VALUE_ID_IN_SET): New.
727 (value_id_compare): Remove.
728 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
729 sort expressions by value id.
731 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
734 * config/sh/predicates.md (general_movsrc_operand): Don't check
735 the subreg of system registers here.
737 2009-02-05 Jakub Jelinek <jakub@redhat.com>
740 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
743 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
745 PR rtl-optimization/39110
746 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
747 addresses, not aligned ones.
749 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
750 Richard Guenther <rguenther@suse.de>
752 PR tree-optimization/39100
753 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
754 comment says and add edges.
756 2009-02-05 Joseph Myers <joseph@codesourcery.com>
759 * c-common.c (handle_tls_model_attribute): Ignore attribute for
760 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
762 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
764 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
765 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
766 register_bb_in_sese, new_sese, free_sese): Moved.
767 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
768 outermost_loop_in_scop, build_scop_iteration_domain,
769 expand_scalar_variables_ssa_name, get_vdef_before_scop,
770 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
771 Use loop_in_sese_p instead of loop_in_scop_p.
772 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
773 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
774 (scopdet_basic_block_info): Fix bug in scop detection.
775 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
776 eq_loop_to_cloog_loop): Remove.
777 (nb_loops_around_loop_in_scop, nb_loop
778 ref_nb_loops): Moved here...
779 * graphite.h (ref_nb_loops): ... from here.
780 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
781 (loop_domain_dim, loop_iteration_vector_dim): Remove.
782 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
783 * testsuite/gcc.dg/graphite/scop-19.c: New
785 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
786 Hans-Peter Nilsson <hp@axis.com>
788 PR rtl-optimization/37889
789 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
790 Move offset handling from PLUS to before the switch. Use new
791 arguments when considering SYMBOL_REFs too.
792 (rtx_addr_can_trap_p): Pass dummy offset and size.
793 (enum may_trap_p_flags): Remove.
794 (may_trap_p_1): Pass size from MEM_SIZE.
796 PR rtl-optimization/38921
797 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
798 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
799 * rtlanal.c (may_trap_after_code_motion_p): Delete.
800 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
802 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
804 AVX Programming Reference (January, 2009)
805 * config/i386/sse.md (*vpclmulqdq): New.
807 2009-02-04 Jakub Jelinek <jakub@redhat.com>
809 PR tree-optimization/38977
810 PR gcov-profile/38292
811 * calls.c (special_function_p): Disregard __builtin_ prefix.
813 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
815 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
816 non-indexable addresses even before reload.
818 2009-02-03 Joseph Myers <joseph@codesourcery.com>
821 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
822 as having variable size. Do not give an error for unnamed
823 parameters with [*] declarators. Give a warning for type names
824 with [*] declarators and mark them as variable size.
825 * c-parser.c (c_parser_sizeof_expression): Do not give an error
826 for sizeof applied to [*] type names.
828 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
831 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
833 2009-02-03 Jakub Jelinek <jakub@redhat.com>
835 * gcc.c (process_command): Update copyright notice dates.
836 * gcov.c (print_version): Likewise.
837 * gcov-dump.c (print_version): Likewise.
838 * mips-tfile.c (main): Likewise.
839 * mips-tdump.c (main): Likewise.
841 2009-02-03 Joseph Myers <joseph@codesourcery.com>
844 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
845 for composite type involving a zero-length array type.
847 2009-02-03 Jakub Jelinek <jakub@redhat.com>
850 * function.c (match_asm_constraints_1): Skip over
851 initial optional % in the constraint.
854 * c-parser.c (c_parser_postfix_expression): If fixed point is not
855 supported, don't accept FIXED_CSTs.
856 * c-decl.c (finish_declspecs): Error if fixed point is not supported
857 and _Sat is used without _Fract/_Accum. Set specs->type to
858 integer_type_node for cts_fract/cts_accum if fixed point is not
861 2009-02-02 Catherine Moore <clm@codesourcery.com>
863 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
865 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
867 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
868 (ABI_HAS_64BIT_SYMBOLS): Use it.
869 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
871 2009-02-02 Paul Brook <paul@codesourcery.com>
873 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
875 2009-02-02 Jakub Jelinek <jakub@redhat.com>
878 * recog.h (asm_operand_ok): Add constraints argument.
879 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
880 recurse on matching constraint.
881 (check_asm_operands): Pass constraints as 3rd argument to
882 asm_operand_ok. Don't look up matching constraint here.
883 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
886 2009-02-02 Ben Elliston <bje@au.ibm.com>
888 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
889 TARGET_NARROW_VOLATILE_BITFIELD macro names.
891 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
893 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
894 information. Remove some obsolete information. Reorganize.
896 * config/pa/fptr.c: Revert license to GPL 2.
897 * config/pa/milli64.S: Likewise.
899 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
902 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
903 LIBRARY name in, instead of hard-coding it.
904 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
905 extra target make frag to tmake_files according to EH model.
906 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
907 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
908 frags that define makefile variable EH_MODEL appropriately.
909 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
910 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
911 to "-sjlj" according to type of EH configured.
912 (LIBGCC_SONAME): Concatenate it to shared library base name.
913 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
914 to "_sjlj" according to type of EH configured.
915 (LIBGCC_SONAME): Concatenate it to shared library base name.
916 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
917 (SHLIB_LINK): Add missing semicolon to if-else construct.
918 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
919 string value of "pe_dll" command-line option.
920 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
921 (SHLIB_SONAME): Use it when overriding t-cygming default.
922 (SHLIB_IMPLIB): Override t-cygming default.
923 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
924 string value of "pe_dll" command-line option.
926 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
929 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
930 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
932 2009-01-31 Richard Guenther <rguenther@suse.de>
934 PR tree-optimization/38937
935 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
936 computing the transitive closure.
938 2009-01-30 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/39041
941 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
942 Propagate variable indices only if the types match for this stmt.
944 2009-01-30 Jakub Jelinek <jakub@redhat.com>
947 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
948 inline but never defined.
950 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
952 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
953 (*insv_h_di_reg_extimm): New insn.
954 (*insv_l<mode>_reg_extimm): New insn.
956 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
958 * config/picochip/picochip.c (flag_conserve_stack): set
959 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
960 fconserve-stack. Reduce call-overhead used by inliner.
962 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
965 * common.opt (flag_conserve_stack): Initialised to zero.
967 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
970 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
971 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
974 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
976 * ira-color.c (allocno_reload_assign): Update comments.
977 * regmove.c (regmove_optimize): Likewise.
981 2009-01-29 Robert Millan <rmh@aybabtu.com>
983 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
984 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
986 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
988 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
990 PR tree-optimization/39007
991 * tree-loop-distribution.c (generate_builtin): Use
992 recompute_dominator to compute the immediate dominator of the
993 basic block just after the loop.
995 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
997 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
998 (ASM_OUTPUT_DWARF_PCREL): Define.
1000 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
1002 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1003 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1004 global. Modify entries about regmove and IRA.
1006 * ra-conflict.c: Remove the file.
1008 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1010 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1011 (pass_regclass_init): Rename to pass_reginfo_init.
1013 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1015 * toplev.h (flag_ira): Remove.
1017 * caller-save.c (setup_save_areas): Remove flag_ira.
1019 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1021 * global.c: Remove the file.
1023 * opts.c: (decode_options): Remove flag_ira.
1025 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1027 * regmove.c: Modify file description.
1028 (find_use_as_address, try_auto_increment): Define them only if
1029 AUTO_INC_DEC is defined.
1030 (replacement_quality, replace_in_call_usage, fixup_match_1,
1031 stable_and_no_regs_but_for_p): Remove.
1032 (reg_set_in_bb): Make it static.
1033 (regmove_optimize): Remove flag_ira and code which worked for
1036 * local-alloc.c: Remove the file.
1038 * common.opt (fira): Remove.
1040 * ira.c: Include except.h.
1041 (eliminable_regset): Move from global.c.
1042 (mark_elimination): Ditto. Remove flag_ira.
1043 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1044 equiv_mem_modified, validate_equiv_mem_from_store,
1045 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1046 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1047 no_equiv, recorded_label_ref): Move from local-alloc.c.
1048 (update_equiv_regs): Ditto. Make it static.
1049 (print_insn_chain, print_insn_chains): Move it from global.c.
1050 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1051 (build_insn_chain): Ditto. Make it static.
1052 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1053 Rename to init_live_subregs.
1054 (gate_ira): Remove flag_ira.
1056 * regclass.c: Rename reginfo.c. Change file description.
1057 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1058 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1059 (init_reg_sets_1): Remove code for evaluation of
1060 reg_class_superclasses and losing_caller_save_reg_set.
1061 (init_regs): Remove init_reg_autoinc.
1062 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1063 ok_for_base_p_nonstrict): Remove.
1064 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1065 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1066 corresponding entries.
1067 (dump_regclass, record_operand_costs, scan_one_insn,
1068 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1069 record_address_regs, auto_inc_dec_reg_p): Remove.
1070 (gt-regclass.h): Rename to gt-reginfo.h.
1072 * rtl.h (dump_global_regs, retry_global_alloc,
1073 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1075 * Makefile.in (RA_H): Remove.
1076 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1077 Rename regclass.o to reginfo.o.
1078 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1080 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1081 (GTFILES): Rename regclass.c to reginfo.c.
1083 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1084 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1086 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1087 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1089 (finish_spills): Ditto. Remove code for !flag_ira.
1091 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1094 * doc/invoke.texi (rtl debug options): Complete rewrite.
1095 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1097 * mode-switching.c (pass_mode_switching): Rename pass from
1098 "mode-sw" to "mode_sw".
1099 * except.c (pass_convert_to_eh_ranges): Rename pass from
1100 "eh-ranges" to "eh_ranges".
1101 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1105 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1106 Alexander Monakov <amonakov@ispras.ru>
1109 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1111 (move_exprs_to_boundary): Change return type and pass through
1112 should_move from move_op. Relax assert. Update usage ...
1113 (schedule_expr_on_boundary): ... here. Use should_move instead of
1115 (move_op_orig_expr_found): Indicate that insn was disconnected from
1117 (code_motion_process_successors): Do not call after_merge_succs
1118 callback if original expression was not found when traversing any of
1120 (code_motion_path_driver): Change return type. Update prototype.
1121 (move_op): Update comment. Add a new parameter (should_move). Update
1122 prototype. Set *should_move based on indication provided by
1123 move_op_orig_expr_found.
1125 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1127 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1128 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1129 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1130 * config/rs6000/rs6000.c (rs6000_override_options): Default
1131 avoid-indexed-addresses on for Power6, off for everything else.
1132 (avoiding_indexed_address_p): New function.
1133 (rs6000_legitimize_address): Use it.
1134 (rs6000_legitimate_address): Likewise.
1135 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1137 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1139 PR tree-optimization/38997
1140 * tree-loop-distribution.c (generate_memset_zero): Use
1141 POINTER_PLUS_EXPR for a pointer addition.
1143 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1145 * config/s390/s390.md (bswap<mode>2): New pattern added.
1147 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1149 * config/s390/s390.md (*tls_load_31): Added type attribute.
1151 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1153 * config/s390/s390.md: Fix a few comments.
1155 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1157 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1158 (*tm<mode>_full): Fixed z10prop attribute.
1159 (*tst<mode>_extimm): Fixed z10prop attribute.
1160 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1161 (*tstqiCCT_cconly): Fixed z10prop attribute.
1162 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1163 (*movsi_larl): Fixed z10prop attribute.
1164 (*movsi_zarch): Fixed z10prop attribute.
1165 (*movsi_eas): Fixed z10prop attribute.
1166 (*movhi): Fixed z10prop attribute.
1167 (*movqi): Fixed z10prop attribute.
1168 (*movstrictqi): Fixed z10prop attribute.
1169 (*mov<mode>): Fixed z10prop attribute.
1170 (*movcc): Fixed z10prop attribute.
1171 (*sethighpartdi_64): Fixed z10prop attribute.
1172 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1173 (*negdi2_sign_cc): Fixed z10prop attribute.
1174 (*negdi2_sign): Fixed z10prop attribute.
1175 (*absdi2_sign_cc): Fixed z10prop attribute.
1176 (*absdi2_sign): Fixed z10prop attribute.
1177 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1178 (*negabsdi2_sign): Fixed z10prop attribute.
1179 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1180 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1181 (doloop_si64): Fixed z10prop attribute.
1182 (doloop_si31): Fixed z10prop attribute.
1183 (doloop_long): Fixed z10prop attribute.
1184 (indirect_jump): Fixed z10prop attribute.
1185 (nop): Fixed z10prop attribute.
1186 (main_base_64): Fixed z10prop attribute.
1187 (reload_base_64): Fixed z10prop attribute.
1189 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1191 PR rtl-optimization/38740
1192 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1194 * config/mips/mips.c (mips_reorg): Likewise.
1196 2009-01-28 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/38926
1199 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1200 with the correct value id to a value.
1201 (do_regular_insertion): Use the value number of edoubleprime
1202 for the value number of the expr.
1205 2008-08-21 Richard Guenther <rguenther@suse.de>
1207 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1208 a PHI ask VN if it is already available.
1209 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1210 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1212 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1215 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1216 set to varying whenever max has TREE_OVERFLOW set, similarly
1217 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1219 2009-01-28 Richard Guenther <rguenther@suse.de>
1222 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1223 uninitialized aggregate uses in call arguments.
1225 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1227 PR tree-optimization/38984
1228 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1229 the nothing_id variable if -fno-delete-null-pointer-checks.
1231 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1234 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1235 (set_got_offset_rex64): Ditto.
1237 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1240 * doc/extend.texi: Improve local variable with asm reg.
1242 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1244 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1245 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1246 was not supplied then set warn_packed_bitfield_compat to the
1248 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1251 2009-01-27 Richard Guenther <rguenther@suse.de>
1253 PR tree-optimization/38503
1254 * cfgexpand.c (expand_gimple_basic_block): Ignore
1255 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1256 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1257 variables that cannot have TBAA applied.
1258 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1261 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1264 * calls.c (initialize_argument_information): Do not wrap complex
1265 arguments in SAVE_EXPR.
1267 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1269 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1270 (INSTALL_LIBGCC): Revert typo commit.
1272 2009-01-26 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/38745
1275 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1276 from special handling.
1278 2009-01-26 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/38745
1281 * tree-ssa.c (execute_update_addresses_taken): Do not include
1282 variables that cannot possibly be a register in not_reg_needs.
1283 Do not clear TREE_ADDRESSABLE on vars that may not become
1285 * tree-ssa.c (update_alias_info_1): Include those in the set
1286 of addressable vars.
1288 2009-01-26 Richard Guenther <rguenther@suse.de>
1291 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1292 * tree-ssa-dse.c: Include langhooks.h
1293 (execute_simple_dse): Remove stores with zero size.
1295 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1298 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1301 2009-01-24 Julian Brown <julian@codesourcery.com>
1303 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1304 config/arm/linux-atomic.c.
1305 * config/arm/linux-atomic.c: New.
1307 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1309 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1310 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1311 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1313 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1316 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1319 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1321 PR tree-optimization/38953
1322 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1323 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1324 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1325 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1328 2009-01-24 Paul Brook <paul@codesourcery.com>
1330 * config/arm/neon.md (neon_type): Move to arm.md.
1331 (neon_mov<VSTRUCT>): Add neon_type attribute.
1332 * config/arm/arm.md (neon_type): Move to here.
1333 (conds): Add "unconditioal" and use as default for NEON insns.
1335 2009-01-24 Ben Elliston <bje@au.ibm.com>
1337 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1338 void *' warning from -Wc++-compat.
1339 * Makefile.in (dominance.o-warn): Remove.
1341 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1343 PR tree-optimization/38932
1344 * fold-const.c (fold_unary_ignore_overflow): New.
1345 * tree.h (fold_unary_ignore_overflow): Declare.
1346 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1347 * tree-ssa-sccvn.c (visit_reference_op_load,
1348 simplify_unary_expression): Likewise.
1350 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1352 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1353 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1354 regardless of their type.
1355 * c-common.c (handle_packed_attribute): Don't ignore packed on
1357 * c.opt (Wpacked-bitfield-compat): New warning option.
1358 * stor-layout.c (place_field): Warn if offset of a field changed.
1359 * doc/extend.texi (packed): Mention the ABI change.
1360 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1361 (Warning Options): Add it to the list.
1363 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1365 * c-opts.c (c_common_post_options): Fix a typo in comments.
1367 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1370 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1371 variables to static.
1372 * doc/invoke.texi (-fmerge-all-constants): Update description.
1374 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1377 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1378 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1380 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1382 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1384 (LOCAL_ALIGNMENT): Similarly.
1386 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1387 Joseph Myers <joseph@codesourcery.com>
1389 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1390 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1391 * config/arm/arm-tune.md: Regenerate.
1392 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1395 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1397 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1398 version number to five.
1400 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1403 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1404 * c-common.c (set_underlying_type): Likewise.
1405 (is_typedef_decl ): Likewise
1407 (set_underlying_type): Likewise.
1408 (is_typedef_type): Likewise.
1410 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1413 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1416 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1419 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1420 (LIBGCC_SPEC): Don't define.
1421 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1423 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1425 PR rtl-optimization/38879
1426 * alias.c (base_alias_check): Unaligned access via AND address can
1427 alias all surrounding object types except those with sizes equal
1428 or wider than the size of unaligned access.
1430 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1433 * c-decl.c: (clone_underlying_type): Move this ...
1434 * c-common.c (set_underlying_type): ... here.
1435 Also, make sure the function properly sets TYPE_STUB_DECL() on
1436 the newly created typedef variant type.
1437 (is_typedef_decl ): New entry point.
1438 * tree.h: Added a new member member_types_needing_access_check to
1439 struct tree_decl_non_common.
1440 (set_underlying_type): New entry point.
1441 (is_typedef_type): Likewise.
1443 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1445 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1446 Check whether two instructions have memory references that
1447 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1448 are helper functions for traversing.
1449 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1450 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1451 not to draw dependency edge for instructions with non-conflicting
1454 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1457 * longlong.h: Update copyright years. Use soft-fp license notice.
1458 Sync __clz_tab declaration with glibc.
1460 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1463 * doc/extend.texi (syscall_linkage): New.
1464 (version_id): Modify.
1466 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1467 Richard Guenther <rguenther@suse.de>
1469 PR tree-optimization/38747
1470 PR tree-optimization/38748
1471 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1472 conversion if the base address is an indirect reference and the
1473 aliasing sets could cause issues.
1475 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1477 * common.opt (fgraphite, fgraphite-identity): Add comment for
1478 explaining why these options are not documented.
1480 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1482 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1483 gimple_call_lhs is NULL.
1485 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1488 * emit-rtl.c (adjust_address_1): Make sure memref is never
1491 2009-01-20 Ben Elliston <bje@au.ibm.com>
1493 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1494 const qualifier from arg parameter. Remove unnecessary cast to char *.
1495 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1496 const qualifier from arg 2.
1498 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1500 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1502 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1505 * rtl.h (reinit_regs): New prototype.
1506 * regclass.c: Include ira.h.
1508 * Makefile.in (regclass.o): Add ira.h.
1509 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1511 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1514 * c-common.c (handle_aligned_attribute): Use
1515 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1516 default alignment value.
1518 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1520 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1521 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1523 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1524 __BIGGEST_ALIGNMENT__.
1526 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1528 2009-01-18 Richard Guenther <rguenther@suse.de>
1530 PR tree-optimization/38819
1531 * tree-flow.h (operation_could_trap_helper_p): Declare.
1532 * tree-eh.c (operation_could_trap_helper_p): Export.
1533 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1534 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1535 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1536 are about to insert a possibly trapping instruction and fail
1539 2009-01-18 Andreas Schwab <schwab@suse.de>
1541 * doc/install.texi (Configuration): Remove obsolete paragraph
1542 about use of --with-gnu-ld with --with-gnu-as.
1544 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1546 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1547 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1548 Follow spelling conventions.
1550 2009-01-18 Ben Elliston <bje@au.ibm.com>
1552 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1553 C++ warning about implicit conversion from void * to struct
1555 (bitmap_obstack_free): Likewise for bitmap_element *.
1556 * Makefile.in (bitmap.o-warn): Remove.
1558 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1560 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1562 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1563 Tobias Grosser <tobi.grosser@amd.com>
1565 * graphite.c (graphite_trans_scop_block): Do not block single
1568 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1570 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1571 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1572 test with assertion.
1574 2009-01-16 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/38835
1578 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1579 and INT + PTR -> (INT)(PTR p+ INT) folding.
1580 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1582 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1585 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1586 the subreg from a lowpart subreg if it is also casting the value.
1588 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1589 Tobias Grosser <tobi.grosser@amd.com>
1591 * graphite.c (compare_prefix_loops): New.
1592 (build_scop_canonical_schedules): Rewritten.
1593 (graphite_transform_loops): Move build_scop_canonical_schedules
1594 after build_scop_iteration_domain.
1596 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1597 Tobias Grosser <tobi.grosser@amd.com>
1599 * graphite.c (add_conditions_to_domain): Add the loops to
1600 the dimension of the iteration domain. Do copy the domain
1601 only when it exists.
1602 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1603 (add_conditions_to_constraints): New.
1604 (can_generate_code_stmt, can_generate_code): Removed.
1605 (gloog): Do not call can_generate_code.
1606 (graphite_transform_loops): Call add_conditions_to_constraints
1607 after building the iteration domain.
1609 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1611 PR tree-optimization/38789
1612 * tree-ssa-threadedge.c
1613 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1614 __builtin_constant_p.
1616 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1618 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1619 examined before deleting them.
1621 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1623 * function.c (aggregate_value_p): Correctly extract the function
1624 type from CALL_EXPR_FN lookup.
1626 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1628 * config/picochip/picochip.c (picochip_override_options): Revert
1629 CFI asm flag disable commited previously.
1631 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1632 Tobias Grosser <tobi.grosser@amd.com>
1633 Jan Sjodin <jan.sjodin@amd.com>
1635 * graphite.c (scan_tree_for_params): On substractions negate
1636 all the coefficients of the term.
1637 (clast_to_gcc_expression_red): New. Handle reduction expressions
1638 of more than two operands.
1639 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1640 (get_vdef_before_scop): Handle also the case of default definitions.
1642 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1644 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1645 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1646 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1648 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1649 Joey Ye <joey.ye@intel.com>
1652 * cfgexpand.c (expand_stack_alignment): Don't update stack
1653 boundary nor check incoming stack boundary here.
1654 (gimple_expand_cfg): Update stack boundary and check incoming
1655 stack boundary here.
1657 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1659 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1661 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1663 PR rtl-optimization/38245
1664 * calls.c (expand_call): Add stack arguments to
1665 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1666 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1667 in regs and partially in memory or BLKmode arguments.
1668 (emit_library_call_value_1): Add stack arguments to
1669 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1670 ACCUMULATE_OUTGOING_ARGS).
1671 * dce.c: Include tm_p.h.
1672 (find_call_stack_args): New function.
1673 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1675 (mark_insn): Call find_call_stack_args for CALL_Ps.
1676 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1677 forwards. Allocate and free arg_stores bitmap if needed, pass it
1678 down to deletable_insn_p, don't mark stores set in arg_stores
1679 bitmap, clear the bitmap at the beginning of each bb.
1680 * Makefile.in (dce.o): Depend on $(TM_P_H).
1682 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1685 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1686 to make sure the insn is a conditional test (bug 22599). Reformat a
1689 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1692 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1693 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1694 (gloog): Do not call cleanup_tree_cfg.
1695 (graphite_transform_loops): Call cleanup_tree_cfg after all
1696 scops have been code generated.
1698 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1699 * doc/gty.texi (Invoking the garbage collector): Added new node
1700 and section documenting ggc_collect.
1702 2009-01-14 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/38826
1706 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1707 initialization notes only if we actually emitted a warning.
1708 (intra_create_variable_infos): Add constraints for a result decl
1709 that is passed by hidden reference.
1710 (build_pred_graph): Mark all related variables non-direct on
1713 2009-01-14 Nick Clifton <nickc@redhat.com>
1715 * ira-conflicts.c: Include addresses.h for the definition of
1717 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1718 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1720 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1723 * Makefile.in (ira-lives.o): Add except.h.
1725 * ira-lives.c: Include except.h.
1726 (process_bb_node_lives): Process can_throw_internal.
1728 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1730 PR rtl-optimization/38774
1731 * combine.c (simplify_set): When undoing cc_use change, don't do
1732 PUT_CODE on the newly created comparison, but instead put back the
1735 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1737 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1738 values. Remove duplicate arm8 entry.
1740 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1742 PR tree-optimization/38786
1743 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1744 the SSA_NAME case of expand_scalar_variables_expr.
1745 Set the type of an expression to the type of its assign statement.
1746 (expand_scalar_variables_expr): Also gather the scalar computation
1747 used to index the memory access. Do not pass loop_p.
1748 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1749 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1750 the gimple_stmt_iterator where it inserts new code.
1752 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1753 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1755 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1757 * graphite.h (debug_value): Removed.
1758 * graphite.c (debug_value): Removed.
1760 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1762 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1763 ldrd/strd with two 32-bit instructions.
1765 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1767 * config/arm/arm.c (struct processors): Pass for speed down into
1768 cost helper functions.
1769 (const_ok_for_op): Handle COMPARE and inequality nodes.
1770 (arm_rtx_costs_1): Rewrite.
1771 (arm_size_rtx_costs): Update prototype.
1772 (arm_rtx_costs): Pass speed down to helper functions.
1773 (arm_slowmul_rtx_costs): Rework cost calculations.
1774 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1775 (arm_9e_rtx_costs): Likewise.
1777 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1779 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1780 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1781 (alpha_legitimize_address): Do not split local symbols wider than
1782 UNITS_PER_WORD into HIGH/LO_SUM parts.
1784 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1787 * gcc.c (process_command): Replace call to execvp with calls
1788 to pex_one and exit.
1790 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1793 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1794 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1795 variant for devices with 3-byte PC.
1796 (__tablejump_elpm__) : New.
1798 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1801 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1802 offsetof member-designator, handle it as `[0].'.
1804 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1806 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1807 function when not using named sections on targets with named sections
1808 if branch distance is less than 262132.
1810 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1812 * combine.c (combine_instructions): Recompute
1813 optimize_this_for_speed_p for each BB in the main combine loop.
1815 2009-01-12 Tomas Bily <tbily@suse.cz>
1818 * tree-loop-distribution.c (prop_phis): New function.
1819 (generate_builtin): Call prop_phis.
1820 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1822 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1824 PR tree-optimization/38807
1825 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1826 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1828 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1830 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1831 subreg of op0 to the original op0.
1833 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1835 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1837 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1840 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1841 starting with digits.
1843 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1846 * config/arm/arm.c (arm_is_long_call_p): Don't call
1847 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1849 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1851 * regrename.c (regrename_optimize): Fix dumping.
1852 (find_oldest_value_reg): Preserve REG_POINTER.
1853 (copy_hardreg_forward_1): Likewise.
1855 2009-01-09 Diego Novillo <dnovillo@google.com>
1857 * gimple.h (struct gimple_statement_base) <uid>: Document
1858 the restrictions on its use.
1860 (gimple_set_uid): Tidy.
1862 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1864 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1865 zero guard even if align_bytes != 0 and count is smaller than
1868 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1870 PR rtl-optimization/38495
1871 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1872 (add_range_and_copies_from_move_list): Print all added ranges.
1873 Add ranges to memory optimized destination.
1875 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1879 * config/i386/i386.c (override_options): Reject
1880 -mstringop-strategy=rep_8byte with -m32.
1881 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1882 to 1. Do count comparison against epilogue_size_needed at compile
1883 time even when count_exp was constant forced into register. For
1884 size_needed don't jump to epilogue, instead just avoid aligning
1885 and invoke the body algorithm. If need_zero_guard, add zero guard
1886 even if count is non-zero, but smaller than size_needed + number of
1887 bytes that could be stored for alignment.
1888 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1889 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1890 but smaller than size_needed + number of bytes that could be stored
1891 for alignment. Compare size_needed with epilogue_size_needed instead
1892 of desired_align - align, don't adjust size_needed, pass
1893 epilogue_size_needed to the epilogue expanders.
1896 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1898 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1900 * pa.c (last_address): Change to unsigned.
1901 (update_total_code_bytes): Change argument to unsigned. Don't
1902 check if insn addresses are set.
1903 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1904 addresses are not set.
1905 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1907 2009-01-09 Nick Clifton <nickc@redhat.com>
1909 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1910 DECL_DECLARED_INLINE_P.
1912 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1915 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1916 GET_MODE (op0) in operand_subword_force calls.
1919 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1920 fold_convert arg0 operands to TREE_TYPE (op0) first.
1922 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1924 * params.def (ira-max-conflict-table-size): Decrease default value
1927 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1929 PR tree-optimization/37031
1930 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1932 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1933 allocate it using gc instead of heap, use VEC_quick_push instead of
1935 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1936 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1937 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1938 allocated vector from heap allocated.
1939 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1940 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1941 vector only after perfect_loop_nest_depth call.
1943 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1944 Jan Sjodin <jan.sjodin@amd.com>
1946 PR tree-optimization/38559
1947 * graphite.c (debug_value, copy_constraint,
1948 swap_constraint_variables, scale_constraint_variable, ): New.
1949 (get_lower_bound, get_upper_bound): Removed.
1950 (graphite_trans_bb_strip_mine): Clean up this code that works
1951 only for constant number of iterations. Fully copy upper and
1952 lower bound constraints, not only the constant part of them.
1953 * graphite.h (debug_value): Declared.
1955 2009-01-08 Ira Rosen <irar@il.ibm.com>
1957 PR tree-optimization/37194
1958 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1959 Don't add the cost of cost model guard in prologue to scalar
1960 outside cost in case of known number of iterations.
1962 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1963 Alan Modra <amodra@bigpond.net.au>
1965 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1966 non-word-aligned REG+CONST addressing.
1968 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1971 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1972 free_after_compilation when outputting a thunk.
1973 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1974 Do not call free_after_compilation here.
1976 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1978 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1979 (ix86_valid_target_attribute_inner_p): Ditto.
1981 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1983 PR tree-optimization/38492
1984 PR tree-optimization/38498
1985 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1986 * tree-chrec.h (scev_is_linear_expression): Declared.
1987 * graphite.c (graphite_cannot_represent_loop_niter): New.
1988 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1989 (graphite_loop_normal_form): Use gcc_assert.
1990 (scan_tree_for_params): Use CASE_CONVERT.
1991 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1992 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1993 Use gcc_assert. Discard scops that contain unhandled cases.
1994 (build_scop_conditions): Return a boolean status for unhandled cases.
1995 (strip_mine_profitable_p): Print the loop number, not its depth.
1996 (is_interchange_valid): Pass the depth of the loop nest, don't
1997 recompute it wrongly.
1998 (graphite_trans_bb_block): Same.
1999 (graphite_trans_bb_block): Print tentative of loop blocking.
2000 (graphite_trans_scop_block): Do not print that the loop has been
2002 (graphite_transform_loops): Do not handle scops that contain condition
2005 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2007 AVX Programming Reference (December, 2008)
2008 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2009 (_mm256_stream_pd): Likewise.
2010 (_mm256_stream_ps): Likewise.
2012 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2013 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2014 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2015 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2016 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2017 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2018 (ix86_expand_special_args_builtin): Likewise.
2020 * config/i386/sse.md (AVXMODEDI): New.
2021 (avx_movnt<mode>): Likewise.
2022 (avx_movnt<mode>): Likewise.
2023 (<sse>_movnt<mode>): Remove AVX support.
2024 (sse2_movntv2di): Likewise.
2026 2009-01-07 Richard Guenther <rguenther@suse.de>
2029 * fold-const.c (extract_muldiv): Remove obsolete comment.
2030 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2031 to PLUS_EXPR canonicalization for the canonicalization.
2033 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2035 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2036 hosted cross-compilers generating less efficient code.
2038 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2040 * function.h (rtl_data): Add a dbr_scheduled_p field.
2041 * reorg.c (dbr_schedule): Set it.
2042 (gate_handle_delay_slots): Check it.
2043 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2044 (mips_reorg): Check flag_delayed_branch instead of
2045 mips_base_delayed_branch.
2046 (mips_override_options): Don't set mips_base_delayed_branch
2047 or flag_delayed_branch.
2049 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2051 PR rtl-optimization/38426.
2052 * ira.c (ira): Set current_function_is_leaf earlier.
2054 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2056 PR rtl-optimization/38722
2057 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2058 too early, only set a flag and modify after last possible
2061 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2064 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2065 * real.c (decimal_single_format): Correct values of emin and emax.
2066 (decimal_double_format): Ditto.
2067 (decimal_quad_format): Ditto.
2068 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2069 computation of DECnn_MIN and DECnn_MAX for corrected values of
2070 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2071 __DECnn_MIN__, and adjust its computation for the corrected value
2074 2009-01-06 Jan Hubicka <jh@suse.cz>
2077 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2079 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2081 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2082 Add Robert Clark to the list of testers.
2084 2009-01-06 Jan Hubicka <jh@suse.cz>
2085 Kai Tietz <kai.tietz@onevision.com>
2087 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2088 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2090 2009-01-06 Jan Hubicka <jh@suse.cz>
2091 Kai Tietz <kai.tietz@onevision.com>
2093 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2095 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2096 (ix86_nsaved_regs): Count only general purpose regs.
2097 (ix86_nsaved_sseregs): New.
2098 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2099 to 16 for w64; compute padding and size of sse reg save area.
2100 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2101 general purpose regs.
2102 (ix86_emit_save_sse_regs_using_mov): New.
2103 (ix86_expand_prologue): Save SSE regs if needed.
2104 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2105 (ix86_emit_restore_sse_regs_using_mov): New.
2106 (ix86_expand_epilogue): Save SSE regs if needed.
2108 2009-01-06 Jan Hubicka <jh@suse.cz>
2109 Kai Tietz <kai.tietz@onevision.com>
2111 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2112 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2113 functions when accumulate outgoing args is off.
2115 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2118 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2119 before using pseudos_have_intersected_live_ranges_p.
2121 * ira-int.h (ira_assert): Always define.
2123 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2125 AVX Programming Reference (December, 2008)
2126 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2127 (_mm256_permute2_pd): Likewise.
2128 (_mm_permute2_ps): Likewise.
2129 (_mm256_permute2_ps): Likewise.
2130 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2131 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2133 * config/i386/i386.c (ix86_builtins): Remove
2134 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2135 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2136 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2137 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2138 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2139 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2140 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2141 __builtin_ia32_vpermil2ps256.
2142 (ix86_init_mmx_sse_builtins): Updated.
2143 (ix86_expand_args_builtin): Likewise.
2145 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2147 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2148 long absolute calls when generating PA 2.0 code.
2150 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2152 PR rtl-optimization/38583
2153 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2155 * params.def (ira-max-conflict-table-size): New.
2157 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2159 * ira.h (ira_conflicts_p): New external definition.
2161 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2162 table. Report this. Return result of building.
2163 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2164 building conflict table.
2166 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2167 (ira_color): Use ira_conflicts_p.
2169 * global.c: Include ira.h.
2170 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2173 * Makefile.in (global.o): Add ira.h.
2175 * ira-build.c (mark_all_loops_for_removal,
2176 propagate_some_info_from_allocno): New.
2177 (remove_unnecessary_allocnos): Call
2178 propagate_some_info_from_allocno.
2179 (remove_low_level_allocnos): New.
2180 (remove_unnecessary_regions): Add parameter. Call
2181 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2182 parameter to remove_unnecessary_regions.
2183 (ira_build): Remove all regions but root if the conflict table was
2184 not built. Update conflict hard regs for allocnos crossing calls.
2186 * ira.c (ira_conflicts_p): New global.
2187 (ira): Define and use ira_conflicts_p.
2189 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2190 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2191 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2193 2009-01-06 Ben Elliston <bje@au.ibm.com>
2195 * gengtype-lex.l (YY_NO_INPUT): Define.
2197 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2200 * c-common.c (handle_vector_size_attribute): Also reject
2203 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2205 PR tree-optimization/38492
2206 * graphite.c (rename_map_elt, debug_rename_elt,
2207 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2208 rename_map_elt_info, eq_rename_map_elts,
2209 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2210 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2211 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2212 (sese_build_livein_liveouts): New.
2213 (new_sese, free_sese): New.
2214 (new_scop): Call new_sese.
2215 (free_scop): Call free_sese.
2216 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2217 (register_old_new_names): Renamed register_old_and_new_names.
2218 (register_scop_liveout_renames, add_loop_exit_phis,
2219 insert_loop_close_phis, struct igp,
2220 default_liveout_before_guard, add_guard_exit_phis,
2221 insert_guard_phis, copy_renames): New.
2222 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2223 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2224 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2225 (scop_adjust_phis_for_liveouts): New.
2226 (gloog): Call scop_adjust_phis_for_liveouts.
2228 * graphite.h (struct sese): Documented. Added fields liveout,
2230 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2231 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2232 (struct scop): Added field liveout_renames.
2233 (SCOP_LIVEOUT_RENAMES): New.
2235 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2237 PR tree-optimization/38510
2238 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2239 (translate_clast): Call recompute_all_dominators before
2241 (gloog): Call recompute_all_dominators before graphite_verify.
2243 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2244 Jan Sjodin <jan.sjodin@amd.com>
2246 PR tree-optimization/38500
2247 * graphite.c (create_sese_edges): Call fix_loop_structure after
2250 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2252 * config.gcc: Add m32r*-*-rtems*.
2253 * config/m32r/rtems.h: New file.
2255 2009-01-05 Ben Elliston <bje@au.ibm.com>
2257 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2258 (.po.pox): Likewise.
2259 (po/gcc.pot): Likewise.
2261 2009-01-04 David S. Miller <davem@davemloft.net>
2263 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2264 (STARTING_FRAME_OFFSET): Always set to zero.
2266 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2268 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2269 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2270 fixed-point types, and vectors of the same.
2272 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2274 * config/mips/sync.md (*mb_barrier): Rename to...
2275 (*memory_barrier): ...this.
2277 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2279 * doc/extend.texi (Function Attributes): Move @cindex after @item
2280 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2281 and put in alphabetical order. Fix 'target' name and put in order.
2282 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2285 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2287 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2288 (memory_barrier): Expand as unspec instead of unspec_volatile.
2289 Remove mem:BLK from insn operands. Use Pmode scratch register.
2290 (*memory_barrier): Define as unspec instead of unspec_volatile.
2291 Use (match_dup 0) as input operand.
2293 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2294 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2295 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2296 scratch register. Remove operand 1.
2297 (*stbar): Define as unspec instead of unspec_volatile.
2298 Use (match_dup 0) as input operand, remove (const_int 8).
2299 (*membar): Define as unspec instead of unspec_volatile.
2300 Use (match_dup 0) as input operand, remove input operand 2.
2302 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2303 (memory_barrier): Expand as unspec instead of unspec_volatile.
2304 Remove mem:BLK from insn operands. Use Pmode scratch register.
2305 (*memory_barrier): Define as unspec instead of unspec_volatile.
2306 Use (match_dup 0) as input operand.
2308 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2309 Remove mem:BLK from insn operands. Use Pmode scratch register.
2310 Set volatile flag on operand 0.
2311 (*memory_barrier): New insn pattern.
2313 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2315 (*memory_barrier): Use (match_dup 0) as input operand.
2317 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2318 Remove mem:BLK from insn operands. Use Pmode scratch register.
2319 Set volatile flag on operand 0.
2320 (*mb_internal): New insn pattern.
2322 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2324 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2327 * function.c (struct temp_slot): Move to the section of the file
2328 that deals with temp slots. Remove field 'address'.
2329 (temp_slot_address_table): New hash table of address -> temp slot.
2330 (struct temp_slot_address_entry): New struct, items for the table.
2331 (temp_slot_address_compute_hash, temp_slot_address_hash,
2332 temp_slot_address_eq, insert_temp_slot_address): Support functions
2334 (find_temp_slot_from_address): Rewrite to use the new hash table.
2335 (remove_unused_temp_slot_addresses): Remove addresses of temp
2336 slots that have been made available.
2337 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2338 worker function for remove_unused_temp_slot_addresses.
2339 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2340 Add the temp slot address to the address -> temp slot map.
2341 (update_temp_slot_address): Update via insert_temp_slot_address.
2342 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2343 (pop_temp_slots): Likewise.
2344 (init_temp_slots): Allocate the address -> temp slot map, or empty
2345 the map if it is already allocated.
2346 (prepare_function_start): Initialize temp slot processing.
2348 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2351 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2352 Calculate the size of all stack vars assuming no packing of stack
2353 vars will happen, replacing a quadratic algorithm with a linear one.
2355 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2358 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2361 2009-01-03 Diego Novillo <dnovillo@google.com>
2363 * doc/contrib.texi: Update contributions.
2365 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2368 * builtins.c (fold_builtin_memory_op): Give up if either operand
2369 is volatile. Set srctype or desttype to non-qualified version
2373 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2376 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2378 PR rtl-optimization/35805
2379 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2380 problem if fast dce is able to remove any instructions.
2381 * dce.c (dce_process_block): Fix dump message.
2383 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2386 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2388 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2391 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2392 * tree-pretty-print.c (op_code_prio): New function.
2393 (op_prio): No longer static. Use op_code_prio.
2394 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2395 Use op_prio and op_code_prio to determine if () should be
2396 printed around operand(s) or not.
2398 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2399 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2400 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2401 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2402 pp_character instead of pp_string for single letter printing.
2404 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2406 * doc/extend.texi: Fix '#pragma GCC option' typo.
2408 2009-01-02 Richard Guenther <rguenther@suse.de>
2410 * doc/install.texi (--enable-checking): Mention different
2412 (--enable-stage1-checking): Document.
2414 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2417 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2418 case to be an error.
2420 2009-01-02 Ben Elliston <bje@au.ibm.com>
2422 * config/fp-bit.h (pack_d): Constify argument.
2423 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2424 (isnan): Constify argument.
2428 (_fpadd_parts): Constify return type.
2429 (_fpmul_parts): Likewise.
2430 (_fpdiv_parts): Likewise.
2432 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2435 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2436 warn about overwriting initializer with side-effects or
2437 -Woverride-init if !IMPLICIT.
2438 (output_init_element): Likewise. Pass IMPLICIT down to
2440 (process_init_element): Add IMPLICIT argument. Pass it down
2441 to output_init_element.
2442 (push_init_element, pop_init_level, set_designator): Adjust
2443 process_init_element callers.
2444 (set_nonincremental_init, set_nonincremental_init_from_string):
2445 Adjust add_pending_init callers.
2446 (output_pending_init_elements): Adjust output_init_element callers.
2447 * c-tree.h (process_init_element): Adjust prototype.
2448 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2449 process_init_element callers.