1 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3 accidental and undocumented change at revision 140860.
5 2009-02-21 Joseph Myers <joseph@codesourcery.com>
7 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8 take gimple_seq * arguments.
9 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10 types_compatible_p langhook.
12 2009-02-20 Mark Mitchell <mark@codesourcery.com>
13 Joseph Myers <joseph@codesourcery.com>
15 * config/arm/arm.c (arm_builtin_va_list): New function.
16 (arm_expand_builtin_va_start): Likewise.
17 (arm_gimplify_va_arg_expr): Likewise.
18 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
19 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
20 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
21 (va_list_type): New variable.
22 (arm_mangle_type): Mangle va_list_type appropriately.
24 2009-02-20 Jakub Jelinek <jakub@redhat.com>
27 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
28 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
29 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
30 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
31 parameter to 1000 for -O1 by default.
32 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
34 * loop-invariant.c: Include params.h.
35 (move_loop_invariants): Don't call move_single_loop_invariants on
38 2009-02-20 Jaka Mocnik <jaka@xlab.si>
40 * calls.c (emit_library_call_value_1): Use slot_offset instead of
41 offset when calculating bounds for indexing stack_usage_map. Fixes
42 a buffer overflow with certain target setups.
44 2009-02-20 Jakub Jelinek <jakub@redhat.com>
47 * calls.c (expand_call): Clear try_tail_call if caller and callee
48 disagree in promotion of function return value.
50 2009-02-19 Jakub Jelinek <jakub@redhat.com>
53 * c-common.c (c_determine_visibility): If visibility changed and
54 DECL_RTL has been already set, call make_decl_rtl to update symbol
57 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
60 * varasm.c (assemble_variable): Don't check DECL_NAME when
61 globalizing a variable.
63 2009-02-19 Joseph Myers <joseph@codesourcery.com>
66 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
67 expression before any __builtin_trap call.
68 * c-typeck.c (build_function_call): Convert and check function
69 arguments before generating a call to a trap. Evaluate the
70 function arguments before the trap.
72 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
75 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
76 (UNSPEC_FXAM_MEM): New unspec.
77 (fxam<mode>2_i387_with_temp): New insn and split pattern.
78 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
79 memory using fxam<mode>2_i387_with_temp to remove excess precision.
81 2009-02-19 Richard Guenther <rguenther@suse.de>
83 PR tree-optimization/39207
84 PR tree-optimization/39074
85 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
86 storedanything_tree): New.
87 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
88 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
89 (build_succ_graph): Add edges from STOREDANYTHING to all
91 (init_base_vars): Initialize STOREDANYTHING.
92 (compute_points_to_sets): Free substitution info after
93 building the succ graph.
94 (ipa_pta_execute): Likewise.
96 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
98 (do_ds_constraint): Do not add to special var or non-pointer
100 (type_could_have_pointers): Split out from ...
101 (could_have_pointers): ... here. For arrays use the element type.
102 (create_variable_info_for): Initialize may_have_pointers.
103 (new_var_info): Likewise.
104 (handle_lhs_call): Make the HEAP variable unknown-sized.
105 (intra_create_variable_infos): Use a type with pointers for
106 PARM_NOALIAS, make it unknown-sized.
108 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
111 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
113 2009-02-18 Jason Merrill <jason@redhat.com>
116 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
117 value if DECL_EXTERNAL.
118 * tree-sra.c (sra_walk_gimple_assign): Likewise.
119 * target.h (gcc_target::binds_local_p): Clarify "module".
120 * tree.h (TREE_PUBLIC): Clarify "module".
122 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
125 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
126 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
128 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
131 * c.opt (Wabi): Support C and ObjC.
134 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
136 * config/i386/i386.c (classify_argument): Warn once about the ABI
137 change when passing union with long double.
139 * doc/invoke.texi: Update -Wabi for warning psABI changes.
141 2009-02-18 Joseph Myers <joseph@codesourcery.com>
144 * c-parser.c (c_parser_compound_statement): Always enter and leave
147 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
150 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
152 2009-02-18 Jakub Jelinek <jakub@redhat.com>
154 PR tree-optimization/36922
155 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
156 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
159 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
161 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
164 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
166 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
168 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
170 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
173 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
174 Richard Sandiford <rdsandiford@googlemail.com>
176 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
177 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
178 (loongson_biadd): ...this.
180 2009-02-17 Richard Guenther <rguenther@suse.de>
182 PR tree-optimization/39202
183 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
184 a var make sure to follow existing collapses.
186 2009-02-17 Richard Guenther <rguenther@suse.de>
189 * langhooks.c (lhd_print_error_function): Check for NULL block.
191 2009-02-17 Richard Guenther <rguenther@suse.de>
193 PR tree-optimization/39204
194 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
197 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
199 * config/soft-fp/double.h: Update from glibc CVS.
201 2009-02-17 Richard Guenther <rguenther@suse.de>
203 PR tree-optimization/39207
204 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
205 strict-aliasing warnings for pointers pointing to NULL.
207 2009-02-16 Joseph Myers <joseph@codesourcery.com>
210 * c-parser.c (c_parser_braced_init): Call pop_init_level when
211 skipping until next close brace.
213 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
216 * config/i386/i386.c (ix86_expand_push): Set memory alignment
217 to function argument boundary.
219 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
221 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
222 in the lea_add. Reload eventually constraints it properly.
223 * config/picochip/constraints.md : Remove the target constraint
224 "b", since it is not needed anymore.
226 2009-02-16 Jakub Jelinek <jakub@redhat.com>
228 * gthr-dce.h: Uglify function parameter and local variable names.
229 * gthr-gnat.h: Likewise.
230 * gthr-mipssde.h: Likewise.
231 * gthr-nks.h: Likewise.
232 * gthr-posix95.h: Likewise.
233 * gthr-posix.h: Likewise.
234 * gthr-rtems.h: Likewise.
235 * gthr-single.h: Likewise.
236 * gthr-solaris.h: Likewise.
237 * gthr-tpf.h: Likewise.
238 * gthr-vxworks.h: Likewise.
239 * gthr-win32.h: Likewise.
241 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
244 * config/i386/i386.md: Restrict the new peephole2 to move
245 between MMX/SSE registers.
247 2009-02-15 Richard Guenther <rguenther@suse.de>
250 2009-02-13 Richard Guenther <rguenther@suse.de>
252 * configure.ac: Enable LFS.
253 * configure: Re-generate.
254 * config.in: Likewise.
256 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
258 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
259 spu_srqwbyte, spu_srqwbytebc): Define.
260 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
261 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
262 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
263 "shrqby_<mode>"): New insn-and-split patterns.
264 * config/spu/spu.c (expand_builtin_args): Determine and return
265 number of operands using spu_builtin_description data.
266 (spu_expand_builtin_1): Use it.
268 2009-02-13 Steve Ellcey <sje@cup.hp.com>
271 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
274 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
277 * config/i386/i386.c (override_options): Correct warning
278 messages for -malign-loops, -malign-jumps and -malign-functions.
280 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
283 * config/i386/i386.md: Restrict the new peephole2 to move
284 between the general purpose registers.
286 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
289 * config/i386/i386.c (type_natural_mode): Add a new argument.
290 Return the original mode and warn ABI change if vector size is 32byte.
291 (function_arg_advance): Updated.
292 (function_arg): Likewise.
293 (ix86_function_value): Likewise.
294 (ix86_return_in_memory): Likewise.
295 (ix86_sol10_return_in_memory): Likewise.
296 (ix86_gimplify_va_arg): Likewise.
297 (function_arg_32): Don't warn ABX ABI change here.
298 (function_arg_64): Likewise.
300 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
302 * loop-iv.c (implies_p): In the final case, test that operands 0
303 of the two comparisons match.
305 * config/bfin/bfin.c (find_prev_insn_start): New function.
306 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
307 (find_next_insn_start): Move.
309 2009-02-13 Richard Guenther <rguenther@suse.de>
311 * configure.ac: Enable LFS.
312 * configure: Re-generate.
313 * config.in: Likewise.
315 2009-02-13 Joseph Myers <joseph@codesourcery.com>
318 * c-parser.c (c_parser_parms_list_declarator): Discard pending
319 sizes on syntax error after some arguments have been parsed.
321 2009-02-12 Jakub Jelinek <jakub@redhat.com>
323 * doc/invoke.texi (-fira): Remove.
325 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
327 * caller-save.c: Replace regclass.c with reginfo.c in comments.
331 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
333 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
334 (umul_ppmm): Likewise.
335 (count_leading_zeros): Likewise.
336 (count_trailing_zeros): Likewise.
337 (UMUL_TIME): Likewise.
339 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
341 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
342 soft-fp/t-softfp to tmake_file.
344 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
345 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
346 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
347 IA64_BUILTIN_INFQ]: New.
348 (ia64_init_builtins): Initialize __builtin_infq,
349 __builtin_fabsq and __builtin_copysignq if not HPUX.
350 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
351 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
353 * config/ia64/lib1funcs.asm (__divtf3): Define only if
355 (__fixtfti): Likewise.
356 (__fixunstfti): Likewise.
357 (__floattitf): Likewise.
359 * config/ia64/libgcc-glibc.ver: New.
360 * config/ia64/t-fprules-softfp: Likewise.
361 * config/ia64/sfp-machine.h: Likewise.
363 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
364 (LIBGCC2_TF_CEXT): Likewise.
366 (TARGET_INIT_LIBFUNCS): Likewise.
368 * config/ia64/t-glibc (SHLINB_MAPFILES):
369 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
371 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
373 * config/i386/i386.c (construct_container): Rewrite processing
374 BLKmode with X86_64_SSE_CLASS.
376 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
379 * config/i386/i386.md: Replace simplify_replace_rtx with
380 replace_rtx in the new peephole2.
382 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
384 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
385 loop unrolling do not happen at -O2.
387 2009-02-12 Michael Matz <matz@suse.de>
389 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
391 2009-02-12 Jakub Jelinek <jakub@redhat.com>
393 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
396 2009-02-12 Ben Elliston <bje@au.ibm.com>
398 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
399 patterns when updating the back chain. Missed in the 2009-02-10
402 2009-02-11 Janis Johnson <janis187@us.ibm.com>
404 * doc/extend.texi (Decimal Floating Types): Update identifier of
405 draft TR and list of missing support.
407 2009-02-11 Jakub Jelinek <jakub@redhat.com>
410 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
411 bit to variable length decl's flags, add it also to its
412 pointer replacement variable.
414 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
415 Jakub Jelinek <jakub@redhat.com>
418 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
419 (memory_blockage): New expander.
420 (*memory_blockage): New insn pattern.
421 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
422 instead of general blockage at the end of function prologue when
423 frame pointer is used to access red zone area. Do not emit blockage
424 when profiling, it is emitted in generic code.
425 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
426 function epilogue when frame pointer is used to access red zone area.
428 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
431 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
432 by arithmetic with memory operands.
433 * config/i386/predicates.md (commutative_operator): New.
435 2009-02-10 Janis Johnson <janis187@us.ibm.com>
437 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
440 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
442 * alias.h (record_alias_subset): Declare.
443 * alias.c (record_alias_subset): Make global.
445 2009-02-10 Nick Clifton <nickc@redhat.com>
447 * tree-parloops.c: Change license to GPLv3.
448 * ipa-struct-reorg.c: Change license to GPLv3.
449 * ipa-struct-reorg.h: Change license to GPLv3.
451 2009-02-10 Steve Ellcey <sje@cup.hp.com>
454 * c-decl.c (start_struct): Return NULL on error.
456 2009-02-10 Jakub Jelinek <jakub@redhat.com>
459 * cfgloopmanip.c (remove_path): Call remove_bbs after
460 cancel_loop_tree, not before it.
463 * function.h (struct function): Add has_local_explicit_reg_vars bit.
464 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
466 * tree-ssa-live.c (remove_unused_locals): Recompute
467 cfun->has_local_explicit_reg_vars.
468 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
469 copies or clearings if cfun->has_local_explicit_reg_vars.
471 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
474 * config/i386/i386.c (expand_prologue): Emit blockage at the end
475 of function prologue when frame pointer is used to access
478 2009-02-10 Richard Guenther <rguenther@suse.de>
481 * gimplify.c (gimple_regimplify_operands): Always look if
482 we need to create a temporary.
484 2009-02-10 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/39132
487 * tree-loop-distribution.c (todo): New global var.
488 (generate_memset_zero): Trigger TODO_rebuild_alias.
489 (tree_loop_distribution): Return todo.
491 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
494 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
495 (x86_64_reg_class_name): Removed.
496 (classify_argument): Return 0 if bytes > 32. Return 0 if the
497 first one isn't X86_64_SSE_CLASS or any other ones aren't
498 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
499 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
500 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
501 and 3 X86_64_SSEUP_CLASS.
502 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
503 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
505 2009-02-10 Ben Elliston <bje@au.ibm.com>
507 * config/rs6000/rs6000.md (allocate_stack): Always use an update
508 form instruction to update the stack back chain word, even if the
509 user has disabled the generation of update instructions.
510 (movdi_<mode>_update_stack): New.
511 (movsi_update_stack): Likewise.
512 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
513 always use an update form instruction to update the stack back
516 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
519 * graphite.c (if_region_set_false_region): After moving a region in
520 the false branch of a condition, remove the empty dummy basic block.
521 (gloog): Remove wrong fix for PR38953.
523 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
525 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
526 generation due to implicit sign extension.
528 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
531 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
532 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
534 2009-02-09 Richard Guenther <rguenther@suse.de>
537 * convert.c (convert_to_real): Disable (float)fn((double)x)
538 to fnf(x) conversion if errno differences may occur and
541 2009-02-07 Anatoly Sokolov <aesok@post.ru>
543 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
544 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
545 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
547 2009-02-06 Joseph Myers <joseph@codesourcery.com>
550 * c-common.c (handle_alias_attribute): Disallow attribute for
551 anything not a FUNCTION_DECL or VAR_DECL.
553 2009-02-06 Janis Johnson <janis187@us.ibm.com>
556 * real.c (do_compare): Special-case compare of zero against
559 2009-02-06 Joseph Myers <joseph@codesourcery.com>
562 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
563 as indicating flexible array members unless the field itself is
564 being declarared as the incomplete array.
566 2009-02-06 Jan Hubicka <jh@suse.cz>
568 PR tree-optimization/38844
569 * ipa-inline.c (try_inline): Stop inlining recursion when edge
572 2009-02-06 Richard Guenther <rguenther@suse.de>
575 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
576 fork because we may expand it as __gcov_fork.
578 2009-02-06 Nick Clifton <nickc@redhat.com>
580 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
582 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
584 PR tree-optimization/35659
585 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
586 vn_phi_eq): Shortcut if hashcode does not match.
587 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
589 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
590 and avoid iterative_hash_expr.
591 (FOR_EACH_VALUE_ID_IN_SET): New.
592 (value_id_compare): Remove.
593 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
594 sort expressions by value id.
596 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
599 * config/sh/predicates.md (general_movsrc_operand): Don't check
600 the subreg of system registers here.
602 2009-02-05 Jakub Jelinek <jakub@redhat.com>
605 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
608 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
610 PR rtl-optimization/39110
611 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
612 addresses, not aligned ones.
614 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
615 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/39100
618 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
619 comment says and add edges.
621 2009-02-05 Joseph Myers <joseph@codesourcery.com>
624 * c-common.c (handle_tls_model_attribute): Ignore attribute for
625 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
627 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
629 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
630 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
631 register_bb_in_sese, new_sese, free_sese): Moved.
632 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
633 outermost_loop_in_scop, build_scop_iteration_domain,
634 expand_scalar_variables_ssa_name, get_vdef_before_scop,
635 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
636 Use loop_in_sese_p instead of loop_in_scop_p.
637 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
638 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
639 (scopdet_basic_block_info): Fix bug in scop detection.
640 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
641 eq_loop_to_cloog_loop): Remove.
642 (nb_loops_around_loop_in_scop, nb_loop
643 ref_nb_loops): Moved here...
644 * graphite.h (ref_nb_loops): ... from here.
645 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
646 (loop_domain_dim, loop_iteration_vector_dim): Remove.
647 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
648 * testsuite/gcc.dg/graphite/scop-19.c: New
650 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
651 Hans-Peter Nilsson <hp@axis.com>
653 PR rtl-optimization/37889
654 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
655 Move offset handling from PLUS to before the switch. Use new
656 arguments when considering SYMBOL_REFs too.
657 (rtx_addr_can_trap_p): Pass dummy offset and size.
658 (enum may_trap_p_flags): Remove.
659 (may_trap_p_1): Pass size from MEM_SIZE.
661 PR rtl-optimization/38921
662 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
663 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
664 * rtlanal.c (may_trap_after_code_motion_p): Delete.
665 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
667 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
669 AVX Programming Reference (January, 2009)
670 * config/i386/sse.md (*vpclmulqdq): New.
672 2009-02-04 Jakub Jelinek <jakub@redhat.com>
674 PR tree-optimization/38977
675 PR gcov-profile/38292
676 * calls.c (special_function_p): Disregard __builtin_ prefix.
678 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
680 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
681 non-indexable addresses even before reload.
683 2009-02-03 Joseph Myers <joseph@codesourcery.com>
686 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
687 as having variable size. Do not give an error for unnamed
688 parameters with [*] declarators. Give a warning for type names
689 with [*] declarators and mark them as variable size.
690 * c-parser.c (c_parser_sizeof_expression): Do not give an error
691 for sizeof applied to [*] type names.
693 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
696 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
698 2009-02-03 Jakub Jelinek <jakub@redhat.com>
700 * gcc.c (process_command): Update copyright notice dates.
701 * gcov.c (print_version): Likewise.
702 * gcov-dump.c (print_version): Likewise.
703 * mips-tfile.c (main): Likewise.
704 * mips-tdump.c (main): Likewise.
706 2009-02-03 Joseph Myers <joseph@codesourcery.com>
709 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
710 for composite type involving a zero-length array type.
712 2009-02-03 Jakub Jelinek <jakub@redhat.com>
715 * function.c (match_asm_constraints_1): Skip over
716 initial optional % in the constraint.
719 * c-parser.c (c_parser_postfix_expression): If fixed point is not
720 supported, don't accept FIXED_CSTs.
721 * c-decl.c (finish_declspecs): Error if fixed point is not supported
722 and _Sat is used without _Fract/_Accum. Set specs->type to
723 integer_type_node for cts_fract/cts_accum if fixed point is not
726 2009-02-02 Catherine Moore <clm@codesourcery.com>
728 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
730 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
732 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
733 (ABI_HAS_64BIT_SYMBOLS): Use it.
734 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
736 2009-02-02 Paul Brook <paul@codesourcery.com>
738 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
740 2009-02-02 Jakub Jelinek <jakub@redhat.com>
743 * recog.h (asm_operand_ok): Add constraints argument.
744 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
745 recurse on matching constraint.
746 (check_asm_operands): Pass constraints as 3rd argument to
747 asm_operand_ok. Don't look up matching constraint here.
748 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
751 2009-02-02 Ben Elliston <bje@au.ibm.com>
753 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
754 TARGET_NARROW_VOLATILE_BITFIELD macro names.
756 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
758 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
759 information. Remove some obsolete information. Reorganize.
761 * config/pa/fptr.c: Revert license to GPL 2.
762 * config/pa/milli64.S: Likewise.
764 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
767 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
768 LIBRARY name in, instead of hard-coding it.
769 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
770 extra target make frag to tmake_files according to EH model.
771 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
772 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
773 frags that define makefile variable EH_MODEL appropriately.
774 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
775 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
776 to "-sjlj" according to type of EH configured.
777 (LIBGCC_SONAME): Concatenate it to shared library base name.
778 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
779 to "_sjlj" according to type of EH configured.
780 (LIBGCC_SONAME): Concatenate it to shared library base name.
781 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
782 (SHLIB_LINK): Add missing semicolon to if-else construct.
783 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
784 string value of "pe_dll" command-line option.
785 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
786 (SHLIB_SONAME): Use it when overriding t-cygming default.
787 (SHLIB_IMPLIB): Override t-cygming default.
788 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
789 string value of "pe_dll" command-line option.
791 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
794 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
795 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
797 2009-01-31 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/38937
800 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
801 computing the transitive closure.
803 2009-01-30 Richard Guenther <rguenther@suse.de>
805 PR tree-optimization/39041
806 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
807 Propagate variable indices only if the types match for this stmt.
809 2009-01-30 Jakub Jelinek <jakub@redhat.com>
812 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
813 inline but never defined.
815 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
817 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
818 (*insv_h_di_reg_extimm): New insn.
819 (*insv_l<mode>_reg_extimm): New insn.
821 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
823 * config/picochip/picochip.c (flag_conserve_stack): set
824 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
825 fconserve-stack. Reduce call-overhead used by inliner.
827 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
830 * common.opt (flag_conserve_stack): Initialised to zero.
832 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
835 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
836 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
839 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
841 * ira-color.c (allocno_reload_assign): Update comments.
842 * regmove.c (regmove_optimize): Likewise.
846 2009-01-29 Robert Millan <rmh@aybabtu.com>
848 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
849 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
851 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
853 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
855 PR tree-optimization/39007
856 * tree-loop-distribution.c (generate_builtin): Use
857 recompute_dominator to compute the immediate dominator of the
858 basic block just after the loop.
860 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
862 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
863 (ASM_OUTPUT_DWARF_PCREL): Define.
865 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
867 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
868 * doc/passes.texi: Remove entries about regclass, local-alloc, and
869 global. Modify entries about regmove and IRA.
871 * ra-conflict.c: Remove the file.
873 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
875 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
876 (pass_regclass_init): Rename to pass_reginfo_init.
878 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
880 * toplev.h (flag_ira): Remove.
882 * caller-save.c (setup_save_areas): Remove flag_ira.
884 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
886 * global.c: Remove the file.
888 * opts.c: (decode_options): Remove flag_ira.
890 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
892 * regmove.c: Modify file description.
893 (find_use_as_address, try_auto_increment): Define them only if
894 AUTO_INC_DEC is defined.
895 (replacement_quality, replace_in_call_usage, fixup_match_1,
896 stable_and_no_regs_but_for_p): Remove.
897 (reg_set_in_bb): Make it static.
898 (regmove_optimize): Remove flag_ira and code which worked for
901 * local-alloc.c: Remove the file.
903 * common.opt (fira): Remove.
905 * ira.c: Include except.h.
906 (eliminable_regset): Move from global.c.
907 (mark_elimination): Ditto. Remove flag_ira.
908 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
909 equiv_mem_modified, validate_equiv_mem_from_store,
910 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
911 contains_replace_regs, memref_referenced_p, memref_used_between_p,
912 no_equiv, recorded_label_ref): Move from local-alloc.c.
913 (update_equiv_regs): Ditto. Make it static.
914 (print_insn_chain, print_insn_chains): Move it from global.c.
915 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
916 (build_insn_chain): Ditto. Make it static.
917 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
918 Rename to init_live_subregs.
919 (gate_ira): Remove flag_ira.
921 * regclass.c: Rename reginfo.c. Change file description.
922 (FORBIDDEN_INC_DEC_CLASSES): Remove.
923 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
924 (init_reg_sets_1): Remove code for evaluation of
925 reg_class_superclasses and losing_caller_save_reg_set.
926 (init_regs): Remove init_reg_autoinc.
927 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
928 ok_for_base_p_nonstrict): Remove.
929 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
930 (pass_regclass_init): Rename to pass_reginfo_init. Modify
931 corresponding entries.
932 (dump_regclass, record_operand_costs, scan_one_insn,
933 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
934 record_address_regs, auto_inc_dec_reg_p): Remove.
935 (gt-regclass.h): Rename to gt-reginfo.h.
937 * rtl.h (dump_global_regs, retry_global_alloc,
938 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
940 * Makefile.in (RA_H): Remove.
941 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
942 Rename regclass.o to reginfo.o.
943 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
945 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
946 (GTFILES): Rename regclass.c to reginfo.c.
948 * passes.c (init_optimization_passes): Remove pass_local_alloc and
949 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
951 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
952 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
954 (finish_spills): Ditto. Remove code for !flag_ira.
956 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
959 * doc/invoke.texi (rtl debug options): Complete rewrite.
960 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
962 * mode-switching.c (pass_mode_switching): Rename pass from
963 "mode-sw" to "mode_sw".
964 * except.c (pass_convert_to_eh_ranges): Rename pass from
965 "eh-ranges" to "eh_ranges".
966 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
970 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
971 Alexander Monakov <amonakov@ispras.ru>
974 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
976 (move_exprs_to_boundary): Change return type and pass through
977 should_move from move_op. Relax assert. Update usage ...
978 (schedule_expr_on_boundary): ... here. Use should_move instead of
980 (move_op_orig_expr_found): Indicate that insn was disconnected from
982 (code_motion_process_successors): Do not call after_merge_succs
983 callback if original expression was not found when traversing any of
985 (code_motion_path_driver): Change return type. Update prototype.
986 (move_op): Update comment. Add a new parameter (should_move). Update
987 prototype. Set *should_move based on indication provided by
988 move_op_orig_expr_found.
990 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
992 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
993 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
994 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
995 * config/rs6000/rs6000.c (rs6000_override_options): Default
996 avoid-indexed-addresses on for Power6, off for everything else.
997 (avoiding_indexed_address_p): New function.
998 (rs6000_legitimize_address): Use it.
999 (rs6000_legitimate_address): Likewise.
1000 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1002 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1004 PR tree-optimization/38997
1005 * tree-loop-distribution.c (generate_memset_zero): Use
1006 POINTER_PLUS_EXPR for a pointer addition.
1008 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1010 * config/s390/s390.md (bswap<mode>2): New pattern added.
1012 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1014 * config/s390/s390.md (*tls_load_31): Added type attribute.
1016 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1018 * config/s390/s390.md: Fix a few comments.
1020 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1022 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1023 (*tm<mode>_full): Fixed z10prop attribute.
1024 (*tst<mode>_extimm): Fixed z10prop attribute.
1025 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1026 (*tstqiCCT_cconly): Fixed z10prop attribute.
1027 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1028 (*movsi_larl): Fixed z10prop attribute.
1029 (*movsi_zarch): Fixed z10prop attribute.
1030 (*movsi_eas): Fixed z10prop attribute.
1031 (*movhi): Fixed z10prop attribute.
1032 (*movqi): Fixed z10prop attribute.
1033 (*movstrictqi): Fixed z10prop attribute.
1034 (*mov<mode>): Fixed z10prop attribute.
1035 (*movcc): Fixed z10prop attribute.
1036 (*sethighpartdi_64): Fixed z10prop attribute.
1037 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1038 (*negdi2_sign_cc): Fixed z10prop attribute.
1039 (*negdi2_sign): Fixed z10prop attribute.
1040 (*absdi2_sign_cc): Fixed z10prop attribute.
1041 (*absdi2_sign): Fixed z10prop attribute.
1042 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1043 (*negabsdi2_sign): Fixed z10prop attribute.
1044 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1045 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1046 (doloop_si64): Fixed z10prop attribute.
1047 (doloop_si31): Fixed z10prop attribute.
1048 (doloop_long): Fixed z10prop attribute.
1049 (indirect_jump): Fixed z10prop attribute.
1050 (nop): Fixed z10prop attribute.
1051 (main_base_64): Fixed z10prop attribute.
1052 (reload_base_64): Fixed z10prop attribute.
1054 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1056 PR rtl-optimization/38740
1057 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1059 * config/mips/mips.c (mips_reorg): Likewise.
1061 2009-01-28 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/38926
1064 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1065 with the correct value id to a value.
1066 (do_regular_insertion): Use the value number of edoubleprime
1067 for the value number of the expr.
1070 2008-08-21 Richard Guenther <rguenther@suse.de>
1072 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1073 a PHI ask VN if it is already available.
1074 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1075 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1077 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1080 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1081 set to varying whenever max has TREE_OVERFLOW set, similarly
1082 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1084 2009-01-28 Richard Guenther <rguenther@suse.de>
1087 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1088 uninitialized aggregate uses in call arguments.
1090 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1092 PR tree-optimization/38984
1093 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1094 the nothing_id variable if -fno-delete-null-pointer-checks.
1096 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1099 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1100 (set_got_offset_rex64): Ditto.
1102 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1105 * doc/extend.texi: Improve local variable with asm reg.
1107 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1109 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1110 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1111 was not supplied then set warn_packed_bitfield_compat to the
1113 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1116 2009-01-27 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/38503
1119 * cfgexpand.c (expand_gimple_basic_block): Ignore
1120 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1121 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1122 variables that cannot have TBAA applied.
1123 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1126 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1129 * calls.c (initialize_argument_information): Do not wrap complex
1130 arguments in SAVE_EXPR.
1132 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1134 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1135 (INSTALL_LIBGCC): Revert typo commit.
1137 2009-01-26 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/38745
1140 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1141 from special handling.
1143 2009-01-26 Richard Guenther <rguenther@suse.de>
1145 PR tree-optimization/38745
1146 * tree-ssa.c (execute_update_addresses_taken): Do not include
1147 variables that cannot possibly be a register in not_reg_needs.
1148 Do not clear TREE_ADDRESSABLE on vars that may not become
1150 * tree-ssa.c (update_alias_info_1): Include those in the set
1151 of addressable vars.
1153 2009-01-26 Richard Guenther <rguenther@suse.de>
1156 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1157 * tree-ssa-dse.c: Include langhooks.h
1158 (execute_simple_dse): Remove stores with zero size.
1160 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1163 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1166 2009-01-24 Julian Brown <julian@codesourcery.com>
1168 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1169 config/arm/linux-atomic.c.
1170 * config/arm/linux-atomic.c: New.
1172 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1174 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1175 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1176 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1178 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1181 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1184 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1186 PR tree-optimization/38953
1187 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1188 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1189 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1190 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1193 2009-01-24 Paul Brook <paul@codesourcery.com>
1195 * config/arm/neon.md (neon_type): Move to arm.md.
1196 (neon_mov<VSTRUCT>): Add neon_type attribute.
1197 * config/arm/arm.md (neon_type): Move to here.
1198 (conds): Add "unconditioal" and use as default for NEON insns.
1200 2009-01-24 Ben Elliston <bje@au.ibm.com>
1202 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1203 void *' warning from -Wc++-compat.
1204 * Makefile.in (dominance.o-warn): Remove.
1206 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1208 PR tree-optimization/38932
1209 * fold-const.c (fold_unary_ignore_overflow): New.
1210 * tree.h (fold_unary_ignore_overflow): Declare.
1211 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1212 * tree-ssa-sccvn.c (visit_reference_op_load,
1213 simplify_unary_expression): Likewise.
1215 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1217 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1218 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1219 regardless of their type.
1220 * c-common.c (handle_packed_attribute): Don't ignore packed on
1222 * c.opt (Wpacked-bitfield-compat): New warning option.
1223 * stor-layout.c (place_field): Warn if offset of a field changed.
1224 * doc/extend.texi (packed): Mention the ABI change.
1225 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1226 (Warning Options): Add it to the list.
1228 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1230 * c-opts.c (c_common_post_options): Fix a typo in comments.
1232 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1235 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1236 variables to static.
1237 * doc/invoke.texi (-fmerge-all-constants): Update description.
1239 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1242 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1243 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1245 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1247 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1249 (LOCAL_ALIGNMENT): Similarly.
1251 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1252 Joseph Myers <joseph@codesourcery.com>
1254 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1255 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1256 * config/arm/arm-tune.md: Regenerate.
1257 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1260 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1262 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1263 version number to five.
1265 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1268 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1269 * c-common.c (set_underlying_type): Likewise.
1270 (is_typedef_decl ): Likewise
1272 (set_underlying_type): Likewise.
1273 (is_typedef_type): Likewise.
1275 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1278 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1281 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1284 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1285 (LIBGCC_SPEC): Don't define.
1286 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1288 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1290 PR rtl-optimization/38879
1291 * alias.c (base_alias_check): Unaligned access via AND address can
1292 alias all surrounding object types except those with sizes equal
1293 or wider than the size of unaligned access.
1295 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1298 * c-decl.c: (clone_underlying_type): Move this ...
1299 * c-common.c (set_underlying_type): ... here.
1300 Also, make sure the function properly sets TYPE_STUB_DECL() on
1301 the newly created typedef variant type.
1302 (is_typedef_decl ): New entry point.
1303 * tree.h: Added a new member member_types_needing_access_check to
1304 struct tree_decl_non_common.
1305 (set_underlying_type): New entry point.
1306 (is_typedef_type): Likewise.
1308 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1310 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1311 Check whether two instructions have memory references that
1312 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1313 are helper functions for traversing.
1314 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1315 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1316 not to draw dependency edge for instructions with non-conflicting
1319 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1322 * longlong.h: Update copyright years. Use soft-fp license notice.
1323 Sync __clz_tab declaration with glibc.
1325 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1328 * doc/extend.texi (syscall_linkage): New.
1329 (version_id): Modify.
1331 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1332 Richard Guenther <rguenther@suse.de>
1334 PR tree-optimization/38747
1335 PR tree-optimization/38748
1336 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1337 conversion if the base address is an indirect reference and the
1338 aliasing sets could cause issues.
1340 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1342 * common.opt (fgraphite, fgraphite-identity): Add comment for
1343 explaining why these options are not documented.
1345 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1347 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1348 gimple_call_lhs is NULL.
1350 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1353 * emit-rtl.c (adjust_address_1): Make sure memref is never
1356 2009-01-20 Ben Elliston <bje@au.ibm.com>
1358 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1359 const qualifier from arg parameter. Remove unnecessary cast to char *.
1360 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1361 const qualifier from arg 2.
1363 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1365 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1367 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1370 * rtl.h (reinit_regs): New prototype.
1371 * regclass.c: Include ira.h.
1373 * Makefile.in (regclass.o): Add ira.h.
1374 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1376 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1379 * c-common.c (handle_aligned_attribute): Use
1380 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1381 default alignment value.
1383 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1385 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1386 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1388 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1389 __BIGGEST_ALIGNMENT__.
1391 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1393 2009-01-18 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/38819
1396 * tree-flow.h (operation_could_trap_helper_p): Declare.
1397 * tree-eh.c (operation_could_trap_helper_p): Export.
1398 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1399 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1400 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1401 are about to insert a possibly trapping instruction and fail
1404 2009-01-18 Andreas Schwab <schwab@suse.de>
1406 * doc/install.texi (Configuration): Remove obsolete paragraph
1407 about use of --with-gnu-ld with --with-gnu-as.
1409 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1411 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1412 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1413 Follow spelling conventions.
1415 2009-01-18 Ben Elliston <bje@au.ibm.com>
1417 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1418 C++ warning about implicit conversion from void * to struct
1420 (bitmap_obstack_free): Likewise for bitmap_element *.
1421 * Makefile.in (bitmap.o-warn): Remove.
1423 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1425 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1427 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1428 Tobias Grosser <tobi.grosser@amd.com>
1430 * graphite.c (graphite_trans_scop_block): Do not block single
1433 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1435 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1436 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1437 test with assertion.
1439 2009-01-16 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/38835
1443 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1444 and INT + PTR -> (INT)(PTR p+ INT) folding.
1445 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1447 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1450 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1451 the subreg from a lowpart subreg if it is also casting the value.
1453 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1454 Tobias Grosser <tobi.grosser@amd.com>
1456 * graphite.c (compare_prefix_loops): New.
1457 (build_scop_canonical_schedules): Rewritten.
1458 (graphite_transform_loops): Move build_scop_canonical_schedules
1459 after build_scop_iteration_domain.
1461 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1462 Tobias Grosser <tobi.grosser@amd.com>
1464 * graphite.c (add_conditions_to_domain): Add the loops to
1465 the dimension of the iteration domain. Do copy the domain
1466 only when it exists.
1467 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1468 (add_conditions_to_constraints): New.
1469 (can_generate_code_stmt, can_generate_code): Removed.
1470 (gloog): Do not call can_generate_code.
1471 (graphite_transform_loops): Call add_conditions_to_constraints
1472 after building the iteration domain.
1474 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1476 PR tree-optimization/38789
1477 * tree-ssa-threadedge.c
1478 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1479 __builtin_constant_p.
1481 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1483 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1484 examined before deleting them.
1486 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1488 * function.c (aggregate_value_p): Correctly extract the function
1489 type from CALL_EXPR_FN lookup.
1491 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1493 * config/picochip/picochip.c (picochip_override_options): Revert
1494 CFI asm flag disable commited previously.
1496 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1497 Tobias Grosser <tobi.grosser@amd.com>
1498 Jan Sjodin <jan.sjodin@amd.com>
1500 * graphite.c (scan_tree_for_params): On substractions negate
1501 all the coefficients of the term.
1502 (clast_to_gcc_expression_red): New. Handle reduction expressions
1503 of more than two operands.
1504 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1505 (get_vdef_before_scop): Handle also the case of default definitions.
1507 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1509 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1510 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1511 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1513 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1514 Joey Ye <joey.ye@intel.com>
1517 * cfgexpand.c (expand_stack_alignment): Don't update stack
1518 boundary nor check incoming stack boundary here.
1519 (gimple_expand_cfg): Update stack boundary and check incoming
1520 stack boundary here.
1522 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1524 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1526 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1528 PR rtl-optimization/38245
1529 * calls.c (expand_call): Add stack arguments to
1530 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1531 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1532 in regs and partially in memory or BLKmode arguments.
1533 (emit_library_call_value_1): Add stack arguments to
1534 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1535 ACCUMULATE_OUTGOING_ARGS).
1536 * dce.c: Include tm_p.h.
1537 (find_call_stack_args): New function.
1538 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1540 (mark_insn): Call find_call_stack_args for CALL_Ps.
1541 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1542 forwards. Allocate and free arg_stores bitmap if needed, pass it
1543 down to deletable_insn_p, don't mark stores set in arg_stores
1544 bitmap, clear the bitmap at the beginning of each bb.
1545 * Makefile.in (dce.o): Depend on $(TM_P_H).
1547 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1550 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1551 to make sure the insn is a conditional test (bug 22599). Reformat a
1554 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1557 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1558 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1559 (gloog): Do not call cleanup_tree_cfg.
1560 (graphite_transform_loops): Call cleanup_tree_cfg after all
1561 scops have been code generated.
1563 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1564 * doc/gty.texi (Invoking the garbage collector): Added new node
1565 and section documenting ggc_collect.
1567 2009-01-14 Richard Guenther <rguenther@suse.de>
1569 PR tree-optimization/38826
1571 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1572 initialization notes only if we actually emitted a warning.
1573 (intra_create_variable_infos): Add constraints for a result decl
1574 that is passed by hidden reference.
1575 (build_pred_graph): Mark all related variables non-direct on
1578 2009-01-14 Nick Clifton <nickc@redhat.com>
1580 * ira-conflicts.c: Include addresses.h for the definition of
1582 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1583 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1585 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1588 * Makefile.in (ira-lives.o): Add except.h.
1590 * ira-lives.c: Include except.h.
1591 (process_bb_node_lives): Process can_throw_internal.
1593 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1595 PR rtl-optimization/38774
1596 * combine.c (simplify_set): When undoing cc_use change, don't do
1597 PUT_CODE on the newly created comparison, but instead put back the
1600 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1602 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1603 values. Remove duplicate arm8 entry.
1605 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1607 PR tree-optimization/38786
1608 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1609 the SSA_NAME case of expand_scalar_variables_expr.
1610 Set the type of an expression to the type of its assign statement.
1611 (expand_scalar_variables_expr): Also gather the scalar computation
1612 used to index the memory access. Do not pass loop_p.
1613 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1614 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1615 the gimple_stmt_iterator where it inserts new code.
1617 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1618 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1620 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1622 * graphite.h (debug_value): Removed.
1623 * graphite.c (debug_value): Removed.
1625 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1627 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1628 ldrd/strd with two 32-bit instructions.
1630 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1632 * config/arm/arm.c (struct processors): Pass for speed down into
1633 cost helper functions.
1634 (const_ok_for_op): Handle COMPARE and inequality nodes.
1635 (arm_rtx_costs_1): Rewrite.
1636 (arm_size_rtx_costs): Update prototype.
1637 (arm_rtx_costs): Pass speed down to helper functions.
1638 (arm_slowmul_rtx_costs): Rework cost calculations.
1639 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1640 (arm_9e_rtx_costs): Likewise.
1642 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1644 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1645 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1646 (alpha_legitimize_address): Do not split local symbols wider than
1647 UNITS_PER_WORD into HIGH/LO_SUM parts.
1649 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1652 * gcc.c (process_command): Replace call to execvp with calls
1653 to pex_one and exit.
1655 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1658 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1659 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1660 variant for devices with 3-byte PC.
1661 (__tablejump_elpm__) : New.
1663 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1666 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1667 offsetof member-designator, handle it as `[0].'.
1669 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1671 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1672 function when not using named sections on targets with named sections
1673 if branch distance is less than 262132.
1675 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1677 * combine.c (combine_instructions): Recompute
1678 optimize_this_for_speed_p for each BB in the main combine loop.
1680 2009-01-12 Tomas Bily <tbily@suse.cz>
1683 * tree-loop-distribution.c (prop_phis): New function.
1684 (generate_builtin): Call prop_phis.
1685 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1687 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1689 PR tree-optimization/38807
1690 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1691 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1693 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1695 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1696 subreg of op0 to the original op0.
1698 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1700 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1702 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1705 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1706 starting with digits.
1708 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1711 * config/arm/arm.c (arm_is_long_call_p): Don't call
1712 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1714 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1716 * regrename.c (regrename_optimize): Fix dumping.
1717 (find_oldest_value_reg): Preserve REG_POINTER.
1718 (copy_hardreg_forward_1): Likewise.
1720 2009-01-09 Diego Novillo <dnovillo@google.com>
1722 * gimple.h (struct gimple_statement_base) <uid>: Document
1723 the restrictions on its use.
1725 (gimple_set_uid): Tidy.
1727 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1729 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1730 zero guard even if align_bytes != 0 and count is smaller than
1733 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1735 PR rtl-optimization/38495
1736 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1737 (add_range_and_copies_from_move_list): Print all added ranges.
1738 Add ranges to memory optimized destination.
1740 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1744 * config/i386/i386.c (override_options): Reject
1745 -mstringop-strategy=rep_8byte with -m32.
1746 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1747 to 1. Do count comparison against epilogue_size_needed at compile
1748 time even when count_exp was constant forced into register. For
1749 size_needed don't jump to epilogue, instead just avoid aligning
1750 and invoke the body algorithm. If need_zero_guard, add zero guard
1751 even if count is non-zero, but smaller than size_needed + number of
1752 bytes that could be stored for alignment.
1753 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1754 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1755 but smaller than size_needed + number of bytes that could be stored
1756 for alignment. Compare size_needed with epilogue_size_needed instead
1757 of desired_align - align, don't adjust size_needed, pass
1758 epilogue_size_needed to the epilogue expanders.
1761 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1763 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1765 * pa.c (last_address): Change to unsigned.
1766 (update_total_code_bytes): Change argument to unsigned. Don't
1767 check if insn addresses are set.
1768 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1769 addresses are not set.
1770 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1772 2009-01-09 Nick Clifton <nickc@redhat.com>
1774 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1775 DECL_DECLARED_INLINE_P.
1777 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1780 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1781 GET_MODE (op0) in operand_subword_force calls.
1784 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1785 fold_convert arg0 operands to TREE_TYPE (op0) first.
1787 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1789 * params.def (ira-max-conflict-table-size): Decrease default value
1792 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1794 PR tree-optimization/37031
1795 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1797 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1798 allocate it using gc instead of heap, use VEC_quick_push instead of
1800 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1801 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1802 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1803 allocated vector from heap allocated.
1804 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1805 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1806 vector only after perfect_loop_nest_depth call.
1808 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1809 Jan Sjodin <jan.sjodin@amd.com>
1811 PR tree-optimization/38559
1812 * graphite.c (debug_value, copy_constraint,
1813 swap_constraint_variables, scale_constraint_variable, ): New.
1814 (get_lower_bound, get_upper_bound): Removed.
1815 (graphite_trans_bb_strip_mine): Clean up this code that works
1816 only for constant number of iterations. Fully copy upper and
1817 lower bound constraints, not only the constant part of them.
1818 * graphite.h (debug_value): Declared.
1820 2009-01-08 Ira Rosen <irar@il.ibm.com>
1822 PR tree-optimization/37194
1823 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1824 Don't add the cost of cost model guard in prologue to scalar
1825 outside cost in case of known number of iterations.
1827 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1828 Alan Modra <amodra@bigpond.net.au>
1830 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1831 non-word-aligned REG+CONST addressing.
1833 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1836 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1837 free_after_compilation when outputting a thunk.
1838 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1839 Do not call free_after_compilation here.
1841 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1843 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1844 (ix86_valid_target_attribute_inner_p): Ditto.
1846 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1848 PR tree-optimization/38492
1849 PR tree-optimization/38498
1850 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1851 * tree-chrec.h (scev_is_linear_expression): Declared.
1852 * graphite.c (graphite_cannot_represent_loop_niter): New.
1853 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1854 (graphite_loop_normal_form): Use gcc_assert.
1855 (scan_tree_for_params): Use CASE_CONVERT.
1856 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1857 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1858 Use gcc_assert. Discard scops that contain unhandled cases.
1859 (build_scop_conditions): Return a boolean status for unhandled cases.
1860 (strip_mine_profitable_p): Print the loop number, not its depth.
1861 (is_interchange_valid): Pass the depth of the loop nest, don't
1862 recompute it wrongly.
1863 (graphite_trans_bb_block): Same.
1864 (graphite_trans_bb_block): Print tentative of loop blocking.
1865 (graphite_trans_scop_block): Do not print that the loop has been
1867 (graphite_transform_loops): Do not handle scops that contain condition
1870 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1872 AVX Programming Reference (December, 2008)
1873 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1874 (_mm256_stream_pd): Likewise.
1875 (_mm256_stream_ps): Likewise.
1877 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1878 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1879 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1880 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1881 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1882 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1883 (ix86_expand_special_args_builtin): Likewise.
1885 * config/i386/sse.md (AVXMODEDI): New.
1886 (avx_movnt<mode>): Likewise.
1887 (avx_movnt<mode>): Likewise.
1888 (<sse>_movnt<mode>): Remove AVX support.
1889 (sse2_movntv2di): Likewise.
1891 2009-01-07 Richard Guenther <rguenther@suse.de>
1894 * fold-const.c (extract_muldiv): Remove obsolete comment.
1895 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1896 to PLUS_EXPR canonicalization for the canonicalization.
1898 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1900 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1901 hosted cross-compilers generating less efficient code.
1903 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1905 * function.h (rtl_data): Add a dbr_scheduled_p field.
1906 * reorg.c (dbr_schedule): Set it.
1907 (gate_handle_delay_slots): Check it.
1908 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1909 (mips_reorg): Check flag_delayed_branch instead of
1910 mips_base_delayed_branch.
1911 (mips_override_options): Don't set mips_base_delayed_branch
1912 or flag_delayed_branch.
1914 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1916 PR rtl-optimization/38426.
1917 * ira.c (ira): Set current_function_is_leaf earlier.
1919 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1921 PR rtl-optimization/38722
1922 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1923 too early, only set a flag and modify after last possible
1926 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1929 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1930 * real.c (decimal_single_format): Correct values of emin and emax.
1931 (decimal_double_format): Ditto.
1932 (decimal_quad_format): Ditto.
1933 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1934 computation of DECnn_MIN and DECnn_MAX for corrected values of
1935 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1936 __DECnn_MIN__, and adjust its computation for the corrected value
1939 2009-01-06 Jan Hubicka <jh@suse.cz>
1942 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1944 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1946 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1947 Add Robert Clark to the list of testers.
1949 2009-01-06 Jan Hubicka <jh@suse.cz>
1950 Kai Tietz <kai.tietz@onevision.com>
1952 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1953 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1955 2009-01-06 Jan Hubicka <jh@suse.cz>
1956 Kai Tietz <kai.tietz@onevision.com>
1958 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1960 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1961 (ix86_nsaved_regs): Count only general purpose regs.
1962 (ix86_nsaved_sseregs): New.
1963 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1964 to 16 for w64; compute padding and size of sse reg save area.
1965 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1966 general purpose regs.
1967 (ix86_emit_save_sse_regs_using_mov): New.
1968 (ix86_expand_prologue): Save SSE regs if needed.
1969 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1970 (ix86_emit_restore_sse_regs_using_mov): New.
1971 (ix86_expand_epilogue): Save SSE regs if needed.
1973 2009-01-06 Jan Hubicka <jh@suse.cz>
1974 Kai Tietz <kai.tietz@onevision.com>
1976 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1977 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1978 functions when accumulate outgoing args is off.
1980 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1983 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1984 before using pseudos_have_intersected_live_ranges_p.
1986 * ira-int.h (ira_assert): Always define.
1988 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1990 AVX Programming Reference (December, 2008)
1991 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1992 (_mm256_permute2_pd): Likewise.
1993 (_mm_permute2_ps): Likewise.
1994 (_mm256_permute2_ps): Likewise.
1995 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1996 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1998 * config/i386/i386.c (ix86_builtins): Remove
1999 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2000 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2001 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2002 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2003 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2004 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2005 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2006 __builtin_ia32_vpermil2ps256.
2007 (ix86_init_mmx_sse_builtins): Updated.
2008 (ix86_expand_args_builtin): Likewise.
2010 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2012 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2013 long absolute calls when generating PA 2.0 code.
2015 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2017 PR rtl-optimization/38583
2018 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2020 * params.def (ira-max-conflict-table-size): New.
2022 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2024 * ira.h (ira_conflicts_p): New external definition.
2026 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2027 table. Report this. Return result of building.
2028 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2029 building conflict table.
2031 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2032 (ira_color): Use ira_conflicts_p.
2034 * global.c: Include ira.h.
2035 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2038 * Makefile.in (global.o): Add ira.h.
2040 * ira-build.c (mark_all_loops_for_removal,
2041 propagate_some_info_from_allocno): New.
2042 (remove_unnecessary_allocnos): Call
2043 propagate_some_info_from_allocno.
2044 (remove_low_level_allocnos): New.
2045 (remove_unnecessary_regions): Add parameter. Call
2046 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2047 parameter to remove_unnecessary_regions.
2048 (ira_build): Remove all regions but root if the conflict table was
2049 not built. Update conflict hard regs for allocnos crossing calls.
2051 * ira.c (ira_conflicts_p): New global.
2052 (ira): Define and use ira_conflicts_p.
2054 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2055 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2056 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2058 2009-01-06 Ben Elliston <bje@au.ibm.com>
2060 * gengtype-lex.l (YY_NO_INPUT): Define.
2062 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2065 * c-common.c (handle_vector_size_attribute): Also reject
2068 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2070 PR tree-optimization/38492
2071 * graphite.c (rename_map_elt, debug_rename_elt,
2072 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2073 rename_map_elt_info, eq_rename_map_elts,
2074 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2075 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2076 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2077 (sese_build_livein_liveouts): New.
2078 (new_sese, free_sese): New.
2079 (new_scop): Call new_sese.
2080 (free_scop): Call free_sese.
2081 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2082 (register_old_new_names): Renamed register_old_and_new_names.
2083 (register_scop_liveout_renames, add_loop_exit_phis,
2084 insert_loop_close_phis, struct igp,
2085 default_liveout_before_guard, add_guard_exit_phis,
2086 insert_guard_phis, copy_renames): New.
2087 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2088 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2089 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2090 (scop_adjust_phis_for_liveouts): New.
2091 (gloog): Call scop_adjust_phis_for_liveouts.
2093 * graphite.h (struct sese): Documented. Added fields liveout,
2095 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2096 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2097 (struct scop): Added field liveout_renames.
2098 (SCOP_LIVEOUT_RENAMES): New.
2100 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2102 PR tree-optimization/38510
2103 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2104 (translate_clast): Call recompute_all_dominators before
2106 (gloog): Call recompute_all_dominators before graphite_verify.
2108 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2109 Jan Sjodin <jan.sjodin@amd.com>
2111 PR tree-optimization/38500
2112 * graphite.c (create_sese_edges): Call fix_loop_structure after
2115 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2117 * config.gcc: Add m32r*-*-rtems*.
2118 * config/m32r/rtems.h: New file.
2120 2009-01-05 Ben Elliston <bje@au.ibm.com>
2122 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2123 (.po.pox): Likewise.
2124 (po/gcc.pot): Likewise.
2126 2009-01-04 David S. Miller <davem@davemloft.net>
2128 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2129 (STARTING_FRAME_OFFSET): Always set to zero.
2131 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2133 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2134 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2135 fixed-point types, and vectors of the same.
2137 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2139 * config/mips/sync.md (*mb_barrier): Rename to...
2140 (*memory_barrier): ...this.
2142 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2144 * doc/extend.texi (Function Attributes): Move @cindex after @item
2145 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2146 and put in alphabetical order. Fix 'target' name and put in order.
2147 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2150 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2152 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2153 (memory_barrier): Expand as unspec instead of unspec_volatile.
2154 Remove mem:BLK from insn operands. Use Pmode scratch register.
2155 (*memory_barrier): Define as unspec instead of unspec_volatile.
2156 Use (match_dup 0) as input operand.
2158 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2159 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2160 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2161 scratch register. Remove operand 1.
2162 (*stbar): Define as unspec instead of unspec_volatile.
2163 Use (match_dup 0) as input operand, remove (const_int 8).
2164 (*membar): Define as unspec instead of unspec_volatile.
2165 Use (match_dup 0) as input operand, remove input operand 2.
2167 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2168 (memory_barrier): Expand as unspec instead of unspec_volatile.
2169 Remove mem:BLK from insn operands. Use Pmode scratch register.
2170 (*memory_barrier): Define as unspec instead of unspec_volatile.
2171 Use (match_dup 0) as input operand.
2173 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2174 Remove mem:BLK from insn operands. Use Pmode scratch register.
2175 Set volatile flag on operand 0.
2176 (*memory_barrier): New insn pattern.
2178 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2180 (*memory_barrier): Use (match_dup 0) as input operand.
2182 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2183 Remove mem:BLK from insn operands. Use Pmode scratch register.
2184 Set volatile flag on operand 0.
2185 (*mb_internal): New insn pattern.
2187 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2189 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2192 * function.c (struct temp_slot): Move to the section of the file
2193 that deals with temp slots. Remove field 'address'.
2194 (temp_slot_address_table): New hash table of address -> temp slot.
2195 (struct temp_slot_address_entry): New struct, items for the table.
2196 (temp_slot_address_compute_hash, temp_slot_address_hash,
2197 temp_slot_address_eq, insert_temp_slot_address): Support functions
2199 (find_temp_slot_from_address): Rewrite to use the new hash table.
2200 (remove_unused_temp_slot_addresses): Remove addresses of temp
2201 slots that have been made available.
2202 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2203 worker function for remove_unused_temp_slot_addresses.
2204 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2205 Add the temp slot address to the address -> temp slot map.
2206 (update_temp_slot_address): Update via insert_temp_slot_address.
2207 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2208 (pop_temp_slots): Likewise.
2209 (init_temp_slots): Allocate the address -> temp slot map, or empty
2210 the map if it is already allocated.
2211 (prepare_function_start): Initialize temp slot processing.
2213 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2216 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2217 Calculate the size of all stack vars assuming no packing of stack
2218 vars will happen, replacing a quadratic algorithm with a linear one.
2220 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2223 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2226 2009-01-03 Diego Novillo <dnovillo@google.com>
2228 * doc/contrib.texi: Update contributions.
2230 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2233 * builtins.c (fold_builtin_memory_op): Give up if either operand
2234 is volatile. Set srctype or desttype to non-qualified version
2238 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2241 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2243 PR rtl-optimization/35805
2244 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2245 problem if fast dce is able to remove any instructions.
2246 * dce.c (dce_process_block): Fix dump message.
2248 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2251 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2253 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2256 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2257 * tree-pretty-print.c (op_code_prio): New function.
2258 (op_prio): No longer static. Use op_code_prio.
2259 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2260 Use op_prio and op_code_prio to determine if () should be
2261 printed around operand(s) or not.
2263 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2264 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2265 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2266 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2267 pp_character instead of pp_string for single letter printing.
2269 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2271 * doc/extend.texi: Fix '#pragma GCC option' typo.
2273 2009-01-02 Richard Guenther <rguenther@suse.de>
2275 * doc/install.texi (--enable-checking): Mention different
2277 (--enable-stage1-checking): Document.
2279 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2282 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2283 case to be an error.
2285 2009-01-02 Ben Elliston <bje@au.ibm.com>
2287 * config/fp-bit.h (pack_d): Constify argument.
2288 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2289 (isnan): Constify argument.
2293 (_fpadd_parts): Constify return type.
2294 (_fpmul_parts): Likewise.
2295 (_fpdiv_parts): Likewise.
2297 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2300 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2301 warn about overwriting initializer with side-effects or
2302 -Woverride-init if !IMPLICIT.
2303 (output_init_element): Likewise. Pass IMPLICIT down to
2305 (process_init_element): Add IMPLICIT argument. Pass it down
2306 to output_init_element.
2307 (push_init_element, pop_init_level, set_designator): Adjust
2308 process_init_element callers.
2309 (set_nonincremental_init, set_nonincremental_init_from_string):
2310 Adjust add_pending_init callers.
2311 (output_pending_init_elements): Adjust output_init_element callers.
2312 * c-tree.h (process_init_element): Adjust prototype.
2313 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2314 process_init_element callers.