1 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3 * loop-iv.c: Revert last change.
4 * emit-rtl.c: Likewise.
6 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
9 * config/i386/i386.c (type_natural_mode): Remove an extra
10 space in the warning message.
11 (function_value_32): Handle 32-byte vector modes.
12 (return_in_memory_32): Likewise.
14 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
16 * loop-iv.c (truncate_value): New function.
17 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
19 (lowpart_subreg): Move to...
20 * emit-rtl.c: ...here.
22 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
24 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
25 accidental and undocumented change at revision 140860.
27 2009-02-21 Joseph Myers <joseph@codesourcery.com>
29 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
30 take gimple_seq * arguments.
31 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
32 types_compatible_p langhook.
34 2009-02-20 Mark Mitchell <mark@codesourcery.com>
35 Joseph Myers <joseph@codesourcery.com>
37 * config/arm/arm.c (arm_builtin_va_list): New function.
38 (arm_expand_builtin_va_start): Likewise.
39 (arm_gimplify_va_arg_expr): Likewise.
40 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
41 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
42 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
43 (va_list_type): New variable.
44 (arm_mangle_type): Mangle va_list_type appropriately.
46 2009-02-20 Jakub Jelinek <jakub@redhat.com>
49 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
50 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
51 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
52 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
53 parameter to 1000 for -O1 by default.
54 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
56 * loop-invariant.c: Include params.h.
57 (move_loop_invariants): Don't call move_single_loop_invariants on
60 2009-02-20 Jaka Mocnik <jaka@xlab.si>
62 * calls.c (emit_library_call_value_1): Use slot_offset instead of
63 offset when calculating bounds for indexing stack_usage_map. Fixes
64 a buffer overflow with certain target setups.
66 2009-02-20 Jakub Jelinek <jakub@redhat.com>
69 * calls.c (expand_call): Clear try_tail_call if caller and callee
70 disagree in promotion of function return value.
72 2009-02-19 Jakub Jelinek <jakub@redhat.com>
75 * c-common.c (c_determine_visibility): If visibility changed and
76 DECL_RTL has been already set, call make_decl_rtl to update symbol
79 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
82 * varasm.c (assemble_variable): Don't check DECL_NAME when
83 globalizing a variable.
85 2009-02-19 Joseph Myers <joseph@codesourcery.com>
88 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
89 expression before any __builtin_trap call.
90 * c-typeck.c (build_function_call): Convert and check function
91 arguments before generating a call to a trap. Evaluate the
92 function arguments before the trap.
94 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
97 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
98 (UNSPEC_FXAM_MEM): New unspec.
99 (fxam<mode>2_i387_with_temp): New insn and split pattern.
100 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
101 memory using fxam<mode>2_i387_with_temp to remove excess precision.
103 2009-02-19 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/39207
106 PR tree-optimization/39074
107 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
108 storedanything_tree): New.
109 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
110 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
111 (build_succ_graph): Add edges from STOREDANYTHING to all
113 (init_base_vars): Initialize STOREDANYTHING.
114 (compute_points_to_sets): Free substitution info after
115 building the succ graph.
116 (ipa_pta_execute): Likewise.
118 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
120 (do_ds_constraint): Do not add to special var or non-pointer
122 (type_could_have_pointers): Split out from ...
123 (could_have_pointers): ... here. For arrays use the element type.
124 (create_variable_info_for): Initialize may_have_pointers.
125 (new_var_info): Likewise.
126 (handle_lhs_call): Make the HEAP variable unknown-sized.
127 (intra_create_variable_infos): Use a type with pointers for
128 PARM_NOALIAS, make it unknown-sized.
130 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
133 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
135 2009-02-18 Jason Merrill <jason@redhat.com>
138 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
139 value if DECL_EXTERNAL.
140 * tree-sra.c (sra_walk_gimple_assign): Likewise.
141 * target.h (gcc_target::binds_local_p): Clarify "module".
142 * tree.h (TREE_PUBLIC): Clarify "module".
144 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
147 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
148 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
150 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
153 * c.opt (Wabi): Support C and ObjC.
156 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
158 * config/i386/i386.c (classify_argument): Warn once about the ABI
159 change when passing union with long double.
161 * doc/invoke.texi: Update -Wabi for warning psABI changes.
163 2009-02-18 Joseph Myers <joseph@codesourcery.com>
166 * c-parser.c (c_parser_compound_statement): Always enter and leave
169 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
172 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
174 2009-02-18 Jakub Jelinek <jakub@redhat.com>
176 PR tree-optimization/36922
177 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
178 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
181 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
183 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
186 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
188 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
190 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
192 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
195 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
196 Richard Sandiford <rdsandiford@googlemail.com>
198 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
199 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
200 (loongson_biadd): ...this.
202 2009-02-17 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/39202
205 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
206 a var make sure to follow existing collapses.
208 2009-02-17 Richard Guenther <rguenther@suse.de>
211 * langhooks.c (lhd_print_error_function): Check for NULL block.
213 2009-02-17 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/39204
216 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
219 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
221 * config/soft-fp/double.h: Update from glibc CVS.
223 2009-02-17 Richard Guenther <rguenther@suse.de>
225 PR tree-optimization/39207
226 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
227 strict-aliasing warnings for pointers pointing to NULL.
229 2009-02-16 Joseph Myers <joseph@codesourcery.com>
232 * c-parser.c (c_parser_braced_init): Call pop_init_level when
233 skipping until next close brace.
235 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
238 * config/i386/i386.c (ix86_expand_push): Set memory alignment
239 to function argument boundary.
241 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
243 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
244 in the lea_add. Reload eventually constraints it properly.
245 * config/picochip/constraints.md : Remove the target constraint
246 "b", since it is not needed anymore.
248 2009-02-16 Jakub Jelinek <jakub@redhat.com>
250 * gthr-dce.h: Uglify function parameter and local variable names.
251 * gthr-gnat.h: Likewise.
252 * gthr-mipssde.h: Likewise.
253 * gthr-nks.h: Likewise.
254 * gthr-posix95.h: Likewise.
255 * gthr-posix.h: Likewise.
256 * gthr-rtems.h: Likewise.
257 * gthr-single.h: Likewise.
258 * gthr-solaris.h: Likewise.
259 * gthr-tpf.h: Likewise.
260 * gthr-vxworks.h: Likewise.
261 * gthr-win32.h: Likewise.
263 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
266 * config/i386/i386.md: Restrict the new peephole2 to move
267 between MMX/SSE registers.
269 2009-02-15 Richard Guenther <rguenther@suse.de>
272 2009-02-13 Richard Guenther <rguenther@suse.de>
274 * configure.ac: Enable LFS.
275 * configure: Re-generate.
276 * config.in: Likewise.
278 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
280 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
281 spu_srqwbyte, spu_srqwbytebc): Define.
282 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
283 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
284 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
285 "shrqby_<mode>"): New insn-and-split patterns.
286 * config/spu/spu.c (expand_builtin_args): Determine and return
287 number of operands using spu_builtin_description data.
288 (spu_expand_builtin_1): Use it.
290 2009-02-13 Steve Ellcey <sje@cup.hp.com>
293 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
296 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
299 * config/i386/i386.c (override_options): Correct warning
300 messages for -malign-loops, -malign-jumps and -malign-functions.
302 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
305 * config/i386/i386.md: Restrict the new peephole2 to move
306 between the general purpose registers.
308 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
311 * config/i386/i386.c (type_natural_mode): Add a new argument.
312 Return the original mode and warn ABI change if vector size is 32byte.
313 (function_arg_advance): Updated.
314 (function_arg): Likewise.
315 (ix86_function_value): Likewise.
316 (ix86_return_in_memory): Likewise.
317 (ix86_sol10_return_in_memory): Likewise.
318 (ix86_gimplify_va_arg): Likewise.
319 (function_arg_32): Don't warn ABX ABI change here.
320 (function_arg_64): Likewise.
322 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
324 * loop-iv.c (implies_p): In the final case, test that operands 0
325 of the two comparisons match.
327 * config/bfin/bfin.c (find_prev_insn_start): New function.
328 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
329 (find_next_insn_start): Move.
331 2009-02-13 Richard Guenther <rguenther@suse.de>
333 * configure.ac: Enable LFS.
334 * configure: Re-generate.
335 * config.in: Likewise.
337 2009-02-13 Joseph Myers <joseph@codesourcery.com>
340 * c-parser.c (c_parser_parms_list_declarator): Discard pending
341 sizes on syntax error after some arguments have been parsed.
343 2009-02-12 Jakub Jelinek <jakub@redhat.com>
345 * doc/invoke.texi (-fira): Remove.
347 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
349 * caller-save.c: Replace regclass.c with reginfo.c in comments.
353 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
355 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
356 (umul_ppmm): Likewise.
357 (count_leading_zeros): Likewise.
358 (count_trailing_zeros): Likewise.
359 (UMUL_TIME): Likewise.
361 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
363 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
364 soft-fp/t-softfp to tmake_file.
366 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
367 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
368 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
369 IA64_BUILTIN_INFQ]: New.
370 (ia64_init_builtins): Initialize __builtin_infq,
371 __builtin_fabsq and __builtin_copysignq if not HPUX.
372 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
373 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
375 * config/ia64/lib1funcs.asm (__divtf3): Define only if
377 (__fixtfti): Likewise.
378 (__fixunstfti): Likewise.
379 (__floattitf): Likewise.
381 * config/ia64/libgcc-glibc.ver: New.
382 * config/ia64/t-fprules-softfp: Likewise.
383 * config/ia64/sfp-machine.h: Likewise.
385 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
386 (LIBGCC2_TF_CEXT): Likewise.
388 (TARGET_INIT_LIBFUNCS): Likewise.
390 * config/ia64/t-glibc (SHLINB_MAPFILES):
391 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
393 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
395 * config/i386/i386.c (construct_container): Rewrite processing
396 BLKmode with X86_64_SSE_CLASS.
398 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
401 * config/i386/i386.md: Replace simplify_replace_rtx with
402 replace_rtx in the new peephole2.
404 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
406 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
407 loop unrolling do not happen at -O2.
409 2009-02-12 Michael Matz <matz@suse.de>
411 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
413 2009-02-12 Jakub Jelinek <jakub@redhat.com>
415 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
418 2009-02-12 Ben Elliston <bje@au.ibm.com>
420 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
421 patterns when updating the back chain. Missed in the 2009-02-10
424 2009-02-11 Janis Johnson <janis187@us.ibm.com>
426 * doc/extend.texi (Decimal Floating Types): Update identifier of
427 draft TR and list of missing support.
429 2009-02-11 Jakub Jelinek <jakub@redhat.com>
432 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
433 bit to variable length decl's flags, add it also to its
434 pointer replacement variable.
436 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
437 Jakub Jelinek <jakub@redhat.com>
440 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
441 (memory_blockage): New expander.
442 (*memory_blockage): New insn pattern.
443 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
444 instead of general blockage at the end of function prologue when
445 frame pointer is used to access red zone area. Do not emit blockage
446 when profiling, it is emitted in generic code.
447 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
448 function epilogue when frame pointer is used to access red zone area.
450 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
453 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
454 by arithmetic with memory operands.
455 * config/i386/predicates.md (commutative_operator): New.
457 2009-02-10 Janis Johnson <janis187@us.ibm.com>
459 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
462 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
464 * alias.h (record_alias_subset): Declare.
465 * alias.c (record_alias_subset): Make global.
467 2009-02-10 Nick Clifton <nickc@redhat.com>
469 * tree-parloops.c: Change license to GPLv3.
470 * ipa-struct-reorg.c: Change license to GPLv3.
471 * ipa-struct-reorg.h: Change license to GPLv3.
473 2009-02-10 Steve Ellcey <sje@cup.hp.com>
476 * c-decl.c (start_struct): Return NULL on error.
478 2009-02-10 Jakub Jelinek <jakub@redhat.com>
481 * cfgloopmanip.c (remove_path): Call remove_bbs after
482 cancel_loop_tree, not before it.
485 * function.h (struct function): Add has_local_explicit_reg_vars bit.
486 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
488 * tree-ssa-live.c (remove_unused_locals): Recompute
489 cfun->has_local_explicit_reg_vars.
490 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
491 copies or clearings if cfun->has_local_explicit_reg_vars.
493 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
496 * config/i386/i386.c (expand_prologue): Emit blockage at the end
497 of function prologue when frame pointer is used to access
500 2009-02-10 Richard Guenther <rguenther@suse.de>
503 * gimplify.c (gimple_regimplify_operands): Always look if
504 we need to create a temporary.
506 2009-02-10 Richard Guenther <rguenther@suse.de>
508 PR tree-optimization/39132
509 * tree-loop-distribution.c (todo): New global var.
510 (generate_memset_zero): Trigger TODO_rebuild_alias.
511 (tree_loop_distribution): Return todo.
513 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
516 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
517 (x86_64_reg_class_name): Removed.
518 (classify_argument): Return 0 if bytes > 32. Return 0 if the
519 first one isn't X86_64_SSE_CLASS or any other ones aren't
520 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
521 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
522 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
523 and 3 X86_64_SSEUP_CLASS.
524 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
525 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
527 2009-02-10 Ben Elliston <bje@au.ibm.com>
529 * config/rs6000/rs6000.md (allocate_stack): Always use an update
530 form instruction to update the stack back chain word, even if the
531 user has disabled the generation of update instructions.
532 (movdi_<mode>_update_stack): New.
533 (movsi_update_stack): Likewise.
534 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
535 always use an update form instruction to update the stack back
538 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
541 * graphite.c (if_region_set_false_region): After moving a region in
542 the false branch of a condition, remove the empty dummy basic block.
543 (gloog): Remove wrong fix for PR38953.
545 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
547 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
548 generation due to implicit sign extension.
550 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
553 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
554 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
556 2009-02-09 Richard Guenther <rguenther@suse.de>
559 * convert.c (convert_to_real): Disable (float)fn((double)x)
560 to fnf(x) conversion if errno differences may occur and
563 2009-02-07 Anatoly Sokolov <aesok@post.ru>
565 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
566 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
567 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
569 2009-02-06 Joseph Myers <joseph@codesourcery.com>
572 * c-common.c (handle_alias_attribute): Disallow attribute for
573 anything not a FUNCTION_DECL or VAR_DECL.
575 2009-02-06 Janis Johnson <janis187@us.ibm.com>
578 * real.c (do_compare): Special-case compare of zero against
581 2009-02-06 Joseph Myers <joseph@codesourcery.com>
584 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
585 as indicating flexible array members unless the field itself is
586 being declarared as the incomplete array.
588 2009-02-06 Jan Hubicka <jh@suse.cz>
590 PR tree-optimization/38844
591 * ipa-inline.c (try_inline): Stop inlining recursion when edge
594 2009-02-06 Richard Guenther <rguenther@suse.de>
597 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
598 fork because we may expand it as __gcov_fork.
600 2009-02-06 Nick Clifton <nickc@redhat.com>
602 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
604 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
606 PR tree-optimization/35659
607 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
608 vn_phi_eq): Shortcut if hashcode does not match.
609 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
611 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
612 and avoid iterative_hash_expr.
613 (FOR_EACH_VALUE_ID_IN_SET): New.
614 (value_id_compare): Remove.
615 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
616 sort expressions by value id.
618 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
621 * config/sh/predicates.md (general_movsrc_operand): Don't check
622 the subreg of system registers here.
624 2009-02-05 Jakub Jelinek <jakub@redhat.com>
627 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
630 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
632 PR rtl-optimization/39110
633 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
634 addresses, not aligned ones.
636 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
637 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/39100
640 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
641 comment says and add edges.
643 2009-02-05 Joseph Myers <joseph@codesourcery.com>
646 * c-common.c (handle_tls_model_attribute): Ignore attribute for
647 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
649 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
651 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
652 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
653 register_bb_in_sese, new_sese, free_sese): Moved.
654 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
655 outermost_loop_in_scop, build_scop_iteration_domain,
656 expand_scalar_variables_ssa_name, get_vdef_before_scop,
657 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
658 Use loop_in_sese_p instead of loop_in_scop_p.
659 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
660 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
661 (scopdet_basic_block_info): Fix bug in scop detection.
662 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
663 eq_loop_to_cloog_loop): Remove.
664 (nb_loops_around_loop_in_scop, nb_loop
665 ref_nb_loops): Moved here...
666 * graphite.h (ref_nb_loops): ... from here.
667 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
668 (loop_domain_dim, loop_iteration_vector_dim): Remove.
669 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
670 * testsuite/gcc.dg/graphite/scop-19.c: New
672 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
673 Hans-Peter Nilsson <hp@axis.com>
675 PR rtl-optimization/37889
676 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
677 Move offset handling from PLUS to before the switch. Use new
678 arguments when considering SYMBOL_REFs too.
679 (rtx_addr_can_trap_p): Pass dummy offset and size.
680 (enum may_trap_p_flags): Remove.
681 (may_trap_p_1): Pass size from MEM_SIZE.
683 PR rtl-optimization/38921
684 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
685 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
686 * rtlanal.c (may_trap_after_code_motion_p): Delete.
687 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
689 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
691 AVX Programming Reference (January, 2009)
692 * config/i386/sse.md (*vpclmulqdq): New.
694 2009-02-04 Jakub Jelinek <jakub@redhat.com>
696 PR tree-optimization/38977
697 PR gcov-profile/38292
698 * calls.c (special_function_p): Disregard __builtin_ prefix.
700 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
702 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
703 non-indexable addresses even before reload.
705 2009-02-03 Joseph Myers <joseph@codesourcery.com>
708 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
709 as having variable size. Do not give an error for unnamed
710 parameters with [*] declarators. Give a warning for type names
711 with [*] declarators and mark them as variable size.
712 * c-parser.c (c_parser_sizeof_expression): Do not give an error
713 for sizeof applied to [*] type names.
715 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
718 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
720 2009-02-03 Jakub Jelinek <jakub@redhat.com>
722 * gcc.c (process_command): Update copyright notice dates.
723 * gcov.c (print_version): Likewise.
724 * gcov-dump.c (print_version): Likewise.
725 * mips-tfile.c (main): Likewise.
726 * mips-tdump.c (main): Likewise.
728 2009-02-03 Joseph Myers <joseph@codesourcery.com>
731 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
732 for composite type involving a zero-length array type.
734 2009-02-03 Jakub Jelinek <jakub@redhat.com>
737 * function.c (match_asm_constraints_1): Skip over
738 initial optional % in the constraint.
741 * c-parser.c (c_parser_postfix_expression): If fixed point is not
742 supported, don't accept FIXED_CSTs.
743 * c-decl.c (finish_declspecs): Error if fixed point is not supported
744 and _Sat is used without _Fract/_Accum. Set specs->type to
745 integer_type_node for cts_fract/cts_accum if fixed point is not
748 2009-02-02 Catherine Moore <clm@codesourcery.com>
750 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
752 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
754 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
755 (ABI_HAS_64BIT_SYMBOLS): Use it.
756 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
758 2009-02-02 Paul Brook <paul@codesourcery.com>
760 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
762 2009-02-02 Jakub Jelinek <jakub@redhat.com>
765 * recog.h (asm_operand_ok): Add constraints argument.
766 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
767 recurse on matching constraint.
768 (check_asm_operands): Pass constraints as 3rd argument to
769 asm_operand_ok. Don't look up matching constraint here.
770 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
773 2009-02-02 Ben Elliston <bje@au.ibm.com>
775 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
776 TARGET_NARROW_VOLATILE_BITFIELD macro names.
778 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
780 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
781 information. Remove some obsolete information. Reorganize.
783 * config/pa/fptr.c: Revert license to GPL 2.
784 * config/pa/milli64.S: Likewise.
786 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
789 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
790 LIBRARY name in, instead of hard-coding it.
791 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
792 extra target make frag to tmake_files according to EH model.
793 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
794 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
795 frags that define makefile variable EH_MODEL appropriately.
796 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
797 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
798 to "-sjlj" according to type of EH configured.
799 (LIBGCC_SONAME): Concatenate it to shared library base name.
800 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
801 to "_sjlj" according to type of EH configured.
802 (LIBGCC_SONAME): Concatenate it to shared library base name.
803 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
804 (SHLIB_LINK): Add missing semicolon to if-else construct.
805 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
806 string value of "pe_dll" command-line option.
807 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
808 (SHLIB_SONAME): Use it when overriding t-cygming default.
809 (SHLIB_IMPLIB): Override t-cygming default.
810 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
811 string value of "pe_dll" command-line option.
813 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
816 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
817 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
819 2009-01-31 Richard Guenther <rguenther@suse.de>
821 PR tree-optimization/38937
822 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
823 computing the transitive closure.
825 2009-01-30 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/39041
828 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
829 Propagate variable indices only if the types match for this stmt.
831 2009-01-30 Jakub Jelinek <jakub@redhat.com>
834 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
835 inline but never defined.
837 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
839 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
840 (*insv_h_di_reg_extimm): New insn.
841 (*insv_l<mode>_reg_extimm): New insn.
843 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
845 * config/picochip/picochip.c (flag_conserve_stack): set
846 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
847 fconserve-stack. Reduce call-overhead used by inliner.
849 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
852 * common.opt (flag_conserve_stack): Initialised to zero.
854 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
857 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
858 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
861 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
863 * ira-color.c (allocno_reload_assign): Update comments.
864 * regmove.c (regmove_optimize): Likewise.
868 2009-01-29 Robert Millan <rmh@aybabtu.com>
870 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
871 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
873 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
875 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
877 PR tree-optimization/39007
878 * tree-loop-distribution.c (generate_builtin): Use
879 recompute_dominator to compute the immediate dominator of the
880 basic block just after the loop.
882 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
884 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
885 (ASM_OUTPUT_DWARF_PCREL): Define.
887 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
889 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
890 * doc/passes.texi: Remove entries about regclass, local-alloc, and
891 global. Modify entries about regmove and IRA.
893 * ra-conflict.c: Remove the file.
895 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
897 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
898 (pass_regclass_init): Rename to pass_reginfo_init.
900 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
902 * toplev.h (flag_ira): Remove.
904 * caller-save.c (setup_save_areas): Remove flag_ira.
906 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
908 * global.c: Remove the file.
910 * opts.c: (decode_options): Remove flag_ira.
912 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
914 * regmove.c: Modify file description.
915 (find_use_as_address, try_auto_increment): Define them only if
916 AUTO_INC_DEC is defined.
917 (replacement_quality, replace_in_call_usage, fixup_match_1,
918 stable_and_no_regs_but_for_p): Remove.
919 (reg_set_in_bb): Make it static.
920 (regmove_optimize): Remove flag_ira and code which worked for
923 * local-alloc.c: Remove the file.
925 * common.opt (fira): Remove.
927 * ira.c: Include except.h.
928 (eliminable_regset): Move from global.c.
929 (mark_elimination): Ditto. Remove flag_ira.
930 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
931 equiv_mem_modified, validate_equiv_mem_from_store,
932 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
933 contains_replace_regs, memref_referenced_p, memref_used_between_p,
934 no_equiv, recorded_label_ref): Move from local-alloc.c.
935 (update_equiv_regs): Ditto. Make it static.
936 (print_insn_chain, print_insn_chains): Move it from global.c.
937 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
938 (build_insn_chain): Ditto. Make it static.
939 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
940 Rename to init_live_subregs.
941 (gate_ira): Remove flag_ira.
943 * regclass.c: Rename reginfo.c. Change file description.
944 (FORBIDDEN_INC_DEC_CLASSES): Remove.
945 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
946 (init_reg_sets_1): Remove code for evaluation of
947 reg_class_superclasses and losing_caller_save_reg_set.
948 (init_regs): Remove init_reg_autoinc.
949 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
950 ok_for_base_p_nonstrict): Remove.
951 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
952 (pass_regclass_init): Rename to pass_reginfo_init. Modify
953 corresponding entries.
954 (dump_regclass, record_operand_costs, scan_one_insn,
955 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
956 record_address_regs, auto_inc_dec_reg_p): Remove.
957 (gt-regclass.h): Rename to gt-reginfo.h.
959 * rtl.h (dump_global_regs, retry_global_alloc,
960 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
962 * Makefile.in (RA_H): Remove.
963 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
964 Rename regclass.o to reginfo.o.
965 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
967 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
968 (GTFILES): Rename regclass.c to reginfo.c.
970 * passes.c (init_optimization_passes): Remove pass_local_alloc and
971 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
973 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
974 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
976 (finish_spills): Ditto. Remove code for !flag_ira.
978 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
981 * doc/invoke.texi (rtl debug options): Complete rewrite.
982 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
984 * mode-switching.c (pass_mode_switching): Rename pass from
985 "mode-sw" to "mode_sw".
986 * except.c (pass_convert_to_eh_ranges): Rename pass from
987 "eh-ranges" to "eh_ranges".
988 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
992 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
993 Alexander Monakov <amonakov@ispras.ru>
996 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
998 (move_exprs_to_boundary): Change return type and pass through
999 should_move from move_op. Relax assert. Update usage ...
1000 (schedule_expr_on_boundary): ... here. Use should_move instead of
1002 (move_op_orig_expr_found): Indicate that insn was disconnected from
1004 (code_motion_process_successors): Do not call after_merge_succs
1005 callback if original expression was not found when traversing any of
1007 (code_motion_path_driver): Change return type. Update prototype.
1008 (move_op): Update comment. Add a new parameter (should_move). Update
1009 prototype. Set *should_move based on indication provided by
1010 move_op_orig_expr_found.
1012 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1014 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1015 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1016 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1017 * config/rs6000/rs6000.c (rs6000_override_options): Default
1018 avoid-indexed-addresses on for Power6, off for everything else.
1019 (avoiding_indexed_address_p): New function.
1020 (rs6000_legitimize_address): Use it.
1021 (rs6000_legitimate_address): Likewise.
1022 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1024 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1026 PR tree-optimization/38997
1027 * tree-loop-distribution.c (generate_memset_zero): Use
1028 POINTER_PLUS_EXPR for a pointer addition.
1030 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1032 * config/s390/s390.md (bswap<mode>2): New pattern added.
1034 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1036 * config/s390/s390.md (*tls_load_31): Added type attribute.
1038 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1040 * config/s390/s390.md: Fix a few comments.
1042 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1044 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1045 (*tm<mode>_full): Fixed z10prop attribute.
1046 (*tst<mode>_extimm): Fixed z10prop attribute.
1047 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1048 (*tstqiCCT_cconly): Fixed z10prop attribute.
1049 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1050 (*movsi_larl): Fixed z10prop attribute.
1051 (*movsi_zarch): Fixed z10prop attribute.
1052 (*movsi_eas): Fixed z10prop attribute.
1053 (*movhi): Fixed z10prop attribute.
1054 (*movqi): Fixed z10prop attribute.
1055 (*movstrictqi): Fixed z10prop attribute.
1056 (*mov<mode>): Fixed z10prop attribute.
1057 (*movcc): Fixed z10prop attribute.
1058 (*sethighpartdi_64): Fixed z10prop attribute.
1059 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1060 (*negdi2_sign_cc): Fixed z10prop attribute.
1061 (*negdi2_sign): Fixed z10prop attribute.
1062 (*absdi2_sign_cc): Fixed z10prop attribute.
1063 (*absdi2_sign): Fixed z10prop attribute.
1064 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1065 (*negabsdi2_sign): Fixed z10prop attribute.
1066 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1067 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1068 (doloop_si64): Fixed z10prop attribute.
1069 (doloop_si31): Fixed z10prop attribute.
1070 (doloop_long): Fixed z10prop attribute.
1071 (indirect_jump): Fixed z10prop attribute.
1072 (nop): Fixed z10prop attribute.
1073 (main_base_64): Fixed z10prop attribute.
1074 (reload_base_64): Fixed z10prop attribute.
1076 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1078 PR rtl-optimization/38740
1079 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1081 * config/mips/mips.c (mips_reorg): Likewise.
1083 2009-01-28 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/38926
1086 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1087 with the correct value id to a value.
1088 (do_regular_insertion): Use the value number of edoubleprime
1089 for the value number of the expr.
1092 2008-08-21 Richard Guenther <rguenther@suse.de>
1094 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1095 a PHI ask VN if it is already available.
1096 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1097 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1099 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1102 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1103 set to varying whenever max has TREE_OVERFLOW set, similarly
1104 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1106 2009-01-28 Richard Guenther <rguenther@suse.de>
1109 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1110 uninitialized aggregate uses in call arguments.
1112 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1114 PR tree-optimization/38984
1115 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1116 the nothing_id variable if -fno-delete-null-pointer-checks.
1118 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1121 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1122 (set_got_offset_rex64): Ditto.
1124 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1127 * doc/extend.texi: Improve local variable with asm reg.
1129 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1131 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1132 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1133 was not supplied then set warn_packed_bitfield_compat to the
1135 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1138 2009-01-27 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/38503
1141 * cfgexpand.c (expand_gimple_basic_block): Ignore
1142 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1143 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1144 variables that cannot have TBAA applied.
1145 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1148 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1151 * calls.c (initialize_argument_information): Do not wrap complex
1152 arguments in SAVE_EXPR.
1154 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1156 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1157 (INSTALL_LIBGCC): Revert typo commit.
1159 2009-01-26 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/38745
1162 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1163 from special handling.
1165 2009-01-26 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/38745
1168 * tree-ssa.c (execute_update_addresses_taken): Do not include
1169 variables that cannot possibly be a register in not_reg_needs.
1170 Do not clear TREE_ADDRESSABLE on vars that may not become
1172 * tree-ssa.c (update_alias_info_1): Include those in the set
1173 of addressable vars.
1175 2009-01-26 Richard Guenther <rguenther@suse.de>
1178 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1179 * tree-ssa-dse.c: Include langhooks.h
1180 (execute_simple_dse): Remove stores with zero size.
1182 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1185 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1188 2009-01-24 Julian Brown <julian@codesourcery.com>
1190 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1191 config/arm/linux-atomic.c.
1192 * config/arm/linux-atomic.c: New.
1194 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1196 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1197 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1198 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1200 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1203 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1206 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1208 PR tree-optimization/38953
1209 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1210 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1211 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1212 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1215 2009-01-24 Paul Brook <paul@codesourcery.com>
1217 * config/arm/neon.md (neon_type): Move to arm.md.
1218 (neon_mov<VSTRUCT>): Add neon_type attribute.
1219 * config/arm/arm.md (neon_type): Move to here.
1220 (conds): Add "unconditioal" and use as default for NEON insns.
1222 2009-01-24 Ben Elliston <bje@au.ibm.com>
1224 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1225 void *' warning from -Wc++-compat.
1226 * Makefile.in (dominance.o-warn): Remove.
1228 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1230 PR tree-optimization/38932
1231 * fold-const.c (fold_unary_ignore_overflow): New.
1232 * tree.h (fold_unary_ignore_overflow): Declare.
1233 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1234 * tree-ssa-sccvn.c (visit_reference_op_load,
1235 simplify_unary_expression): Likewise.
1237 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1239 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1240 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1241 regardless of their type.
1242 * c-common.c (handle_packed_attribute): Don't ignore packed on
1244 * c.opt (Wpacked-bitfield-compat): New warning option.
1245 * stor-layout.c (place_field): Warn if offset of a field changed.
1246 * doc/extend.texi (packed): Mention the ABI change.
1247 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1248 (Warning Options): Add it to the list.
1250 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1252 * c-opts.c (c_common_post_options): Fix a typo in comments.
1254 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1257 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1258 variables to static.
1259 * doc/invoke.texi (-fmerge-all-constants): Update description.
1261 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1264 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1265 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1267 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1269 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1271 (LOCAL_ALIGNMENT): Similarly.
1273 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1274 Joseph Myers <joseph@codesourcery.com>
1276 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1277 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1278 * config/arm/arm-tune.md: Regenerate.
1279 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1282 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1284 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1285 version number to five.
1287 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1290 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1291 * c-common.c (set_underlying_type): Likewise.
1292 (is_typedef_decl ): Likewise
1294 (set_underlying_type): Likewise.
1295 (is_typedef_type): Likewise.
1297 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1300 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1303 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1306 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1307 (LIBGCC_SPEC): Don't define.
1308 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1310 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1312 PR rtl-optimization/38879
1313 * alias.c (base_alias_check): Unaligned access via AND address can
1314 alias all surrounding object types except those with sizes equal
1315 or wider than the size of unaligned access.
1317 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1320 * c-decl.c: (clone_underlying_type): Move this ...
1321 * c-common.c (set_underlying_type): ... here.
1322 Also, make sure the function properly sets TYPE_STUB_DECL() on
1323 the newly created typedef variant type.
1324 (is_typedef_decl ): New entry point.
1325 * tree.h: Added a new member member_types_needing_access_check to
1326 struct tree_decl_non_common.
1327 (set_underlying_type): New entry point.
1328 (is_typedef_type): Likewise.
1330 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1332 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1333 Check whether two instructions have memory references that
1334 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1335 are helper functions for traversing.
1336 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1337 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1338 not to draw dependency edge for instructions with non-conflicting
1341 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1344 * longlong.h: Update copyright years. Use soft-fp license notice.
1345 Sync __clz_tab declaration with glibc.
1347 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1350 * doc/extend.texi (syscall_linkage): New.
1351 (version_id): Modify.
1353 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1354 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/38747
1357 PR tree-optimization/38748
1358 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1359 conversion if the base address is an indirect reference and the
1360 aliasing sets could cause issues.
1362 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1364 * common.opt (fgraphite, fgraphite-identity): Add comment for
1365 explaining why these options are not documented.
1367 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1369 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1370 gimple_call_lhs is NULL.
1372 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1375 * emit-rtl.c (adjust_address_1): Make sure memref is never
1378 2009-01-20 Ben Elliston <bje@au.ibm.com>
1380 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1381 const qualifier from arg parameter. Remove unnecessary cast to char *.
1382 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1383 const qualifier from arg 2.
1385 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1387 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1389 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1392 * rtl.h (reinit_regs): New prototype.
1393 * regclass.c: Include ira.h.
1395 * Makefile.in (regclass.o): Add ira.h.
1396 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1398 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1401 * c-common.c (handle_aligned_attribute): Use
1402 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1403 default alignment value.
1405 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1407 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1408 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1410 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1411 __BIGGEST_ALIGNMENT__.
1413 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1415 2009-01-18 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/38819
1418 * tree-flow.h (operation_could_trap_helper_p): Declare.
1419 * tree-eh.c (operation_could_trap_helper_p): Export.
1420 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1421 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1422 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1423 are about to insert a possibly trapping instruction and fail
1426 2009-01-18 Andreas Schwab <schwab@suse.de>
1428 * doc/install.texi (Configuration): Remove obsolete paragraph
1429 about use of --with-gnu-ld with --with-gnu-as.
1431 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1433 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1434 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1435 Follow spelling conventions.
1437 2009-01-18 Ben Elliston <bje@au.ibm.com>
1439 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1440 C++ warning about implicit conversion from void * to struct
1442 (bitmap_obstack_free): Likewise for bitmap_element *.
1443 * Makefile.in (bitmap.o-warn): Remove.
1445 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1447 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1449 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1450 Tobias Grosser <tobi.grosser@amd.com>
1452 * graphite.c (graphite_trans_scop_block): Do not block single
1455 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1457 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1458 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1459 test with assertion.
1461 2009-01-16 Richard Guenther <rguenther@suse.de>
1463 PR tree-optimization/38835
1465 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1466 and INT + PTR -> (INT)(PTR p+ INT) folding.
1467 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1469 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1472 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1473 the subreg from a lowpart subreg if it is also casting the value.
1475 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1476 Tobias Grosser <tobi.grosser@amd.com>
1478 * graphite.c (compare_prefix_loops): New.
1479 (build_scop_canonical_schedules): Rewritten.
1480 (graphite_transform_loops): Move build_scop_canonical_schedules
1481 after build_scop_iteration_domain.
1483 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1484 Tobias Grosser <tobi.grosser@amd.com>
1486 * graphite.c (add_conditions_to_domain): Add the loops to
1487 the dimension of the iteration domain. Do copy the domain
1488 only when it exists.
1489 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1490 (add_conditions_to_constraints): New.
1491 (can_generate_code_stmt, can_generate_code): Removed.
1492 (gloog): Do not call can_generate_code.
1493 (graphite_transform_loops): Call add_conditions_to_constraints
1494 after building the iteration domain.
1496 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1498 PR tree-optimization/38789
1499 * tree-ssa-threadedge.c
1500 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1501 __builtin_constant_p.
1503 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1505 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1506 examined before deleting them.
1508 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1510 * function.c (aggregate_value_p): Correctly extract the function
1511 type from CALL_EXPR_FN lookup.
1513 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1515 * config/picochip/picochip.c (picochip_override_options): Revert
1516 CFI asm flag disable commited previously.
1518 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1519 Tobias Grosser <tobi.grosser@amd.com>
1520 Jan Sjodin <jan.sjodin@amd.com>
1522 * graphite.c (scan_tree_for_params): On substractions negate
1523 all the coefficients of the term.
1524 (clast_to_gcc_expression_red): New. Handle reduction expressions
1525 of more than two operands.
1526 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1527 (get_vdef_before_scop): Handle also the case of default definitions.
1529 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1531 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1532 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1533 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1535 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1536 Joey Ye <joey.ye@intel.com>
1539 * cfgexpand.c (expand_stack_alignment): Don't update stack
1540 boundary nor check incoming stack boundary here.
1541 (gimple_expand_cfg): Update stack boundary and check incoming
1542 stack boundary here.
1544 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1546 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1548 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1550 PR rtl-optimization/38245
1551 * calls.c (expand_call): Add stack arguments to
1552 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1553 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1554 in regs and partially in memory or BLKmode arguments.
1555 (emit_library_call_value_1): Add stack arguments to
1556 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1557 ACCUMULATE_OUTGOING_ARGS).
1558 * dce.c: Include tm_p.h.
1559 (find_call_stack_args): New function.
1560 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1562 (mark_insn): Call find_call_stack_args for CALL_Ps.
1563 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1564 forwards. Allocate and free arg_stores bitmap if needed, pass it
1565 down to deletable_insn_p, don't mark stores set in arg_stores
1566 bitmap, clear the bitmap at the beginning of each bb.
1567 * Makefile.in (dce.o): Depend on $(TM_P_H).
1569 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1572 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1573 to make sure the insn is a conditional test (bug 22599). Reformat a
1576 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1579 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1580 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1581 (gloog): Do not call cleanup_tree_cfg.
1582 (graphite_transform_loops): Call cleanup_tree_cfg after all
1583 scops have been code generated.
1585 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1586 * doc/gty.texi (Invoking the garbage collector): Added new node
1587 and section documenting ggc_collect.
1589 2009-01-14 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/38826
1593 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1594 initialization notes only if we actually emitted a warning.
1595 (intra_create_variable_infos): Add constraints for a result decl
1596 that is passed by hidden reference.
1597 (build_pred_graph): Mark all related variables non-direct on
1600 2009-01-14 Nick Clifton <nickc@redhat.com>
1602 * ira-conflicts.c: Include addresses.h for the definition of
1604 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1605 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1607 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1610 * Makefile.in (ira-lives.o): Add except.h.
1612 * ira-lives.c: Include except.h.
1613 (process_bb_node_lives): Process can_throw_internal.
1615 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1617 PR rtl-optimization/38774
1618 * combine.c (simplify_set): When undoing cc_use change, don't do
1619 PUT_CODE on the newly created comparison, but instead put back the
1622 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1624 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1625 values. Remove duplicate arm8 entry.
1627 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1629 PR tree-optimization/38786
1630 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1631 the SSA_NAME case of expand_scalar_variables_expr.
1632 Set the type of an expression to the type of its assign statement.
1633 (expand_scalar_variables_expr): Also gather the scalar computation
1634 used to index the memory access. Do not pass loop_p.
1635 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1636 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1637 the gimple_stmt_iterator where it inserts new code.
1639 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1640 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1642 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1644 * graphite.h (debug_value): Removed.
1645 * graphite.c (debug_value): Removed.
1647 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1649 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1650 ldrd/strd with two 32-bit instructions.
1652 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1654 * config/arm/arm.c (struct processors): Pass for speed down into
1655 cost helper functions.
1656 (const_ok_for_op): Handle COMPARE and inequality nodes.
1657 (arm_rtx_costs_1): Rewrite.
1658 (arm_size_rtx_costs): Update prototype.
1659 (arm_rtx_costs): Pass speed down to helper functions.
1660 (arm_slowmul_rtx_costs): Rework cost calculations.
1661 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1662 (arm_9e_rtx_costs): Likewise.
1664 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1666 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1667 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1668 (alpha_legitimize_address): Do not split local symbols wider than
1669 UNITS_PER_WORD into HIGH/LO_SUM parts.
1671 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1674 * gcc.c (process_command): Replace call to execvp with calls
1675 to pex_one and exit.
1677 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1680 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1681 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1682 variant for devices with 3-byte PC.
1683 (__tablejump_elpm__) : New.
1685 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1688 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1689 offsetof member-designator, handle it as `[0].'.
1691 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1693 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1694 function when not using named sections on targets with named sections
1695 if branch distance is less than 262132.
1697 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1699 * combine.c (combine_instructions): Recompute
1700 optimize_this_for_speed_p for each BB in the main combine loop.
1702 2009-01-12 Tomas Bily <tbily@suse.cz>
1705 * tree-loop-distribution.c (prop_phis): New function.
1706 (generate_builtin): Call prop_phis.
1707 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1709 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1711 PR tree-optimization/38807
1712 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1713 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1715 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1717 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1718 subreg of op0 to the original op0.
1720 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1722 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1724 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1727 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1728 starting with digits.
1730 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1733 * config/arm/arm.c (arm_is_long_call_p): Don't call
1734 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1736 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1738 * regrename.c (regrename_optimize): Fix dumping.
1739 (find_oldest_value_reg): Preserve REG_POINTER.
1740 (copy_hardreg_forward_1): Likewise.
1742 2009-01-09 Diego Novillo <dnovillo@google.com>
1744 * gimple.h (struct gimple_statement_base) <uid>: Document
1745 the restrictions on its use.
1747 (gimple_set_uid): Tidy.
1749 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1751 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1752 zero guard even if align_bytes != 0 and count is smaller than
1755 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1757 PR rtl-optimization/38495
1758 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1759 (add_range_and_copies_from_move_list): Print all added ranges.
1760 Add ranges to memory optimized destination.
1762 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1766 * config/i386/i386.c (override_options): Reject
1767 -mstringop-strategy=rep_8byte with -m32.
1768 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1769 to 1. Do count comparison against epilogue_size_needed at compile
1770 time even when count_exp was constant forced into register. For
1771 size_needed don't jump to epilogue, instead just avoid aligning
1772 and invoke the body algorithm. If need_zero_guard, add zero guard
1773 even if count is non-zero, but smaller than size_needed + number of
1774 bytes that could be stored for alignment.
1775 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1776 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1777 but smaller than size_needed + number of bytes that could be stored
1778 for alignment. Compare size_needed with epilogue_size_needed instead
1779 of desired_align - align, don't adjust size_needed, pass
1780 epilogue_size_needed to the epilogue expanders.
1783 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1785 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1787 * pa.c (last_address): Change to unsigned.
1788 (update_total_code_bytes): Change argument to unsigned. Don't
1789 check if insn addresses are set.
1790 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1791 addresses are not set.
1792 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1794 2009-01-09 Nick Clifton <nickc@redhat.com>
1796 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1797 DECL_DECLARED_INLINE_P.
1799 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1802 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1803 GET_MODE (op0) in operand_subword_force calls.
1806 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1807 fold_convert arg0 operands to TREE_TYPE (op0) first.
1809 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1811 * params.def (ira-max-conflict-table-size): Decrease default value
1814 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1816 PR tree-optimization/37031
1817 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1819 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1820 allocate it using gc instead of heap, use VEC_quick_push instead of
1822 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1823 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1824 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1825 allocated vector from heap allocated.
1826 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1827 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1828 vector only after perfect_loop_nest_depth call.
1830 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1831 Jan Sjodin <jan.sjodin@amd.com>
1833 PR tree-optimization/38559
1834 * graphite.c (debug_value, copy_constraint,
1835 swap_constraint_variables, scale_constraint_variable, ): New.
1836 (get_lower_bound, get_upper_bound): Removed.
1837 (graphite_trans_bb_strip_mine): Clean up this code that works
1838 only for constant number of iterations. Fully copy upper and
1839 lower bound constraints, not only the constant part of them.
1840 * graphite.h (debug_value): Declared.
1842 2009-01-08 Ira Rosen <irar@il.ibm.com>
1844 PR tree-optimization/37194
1845 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1846 Don't add the cost of cost model guard in prologue to scalar
1847 outside cost in case of known number of iterations.
1849 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1850 Alan Modra <amodra@bigpond.net.au>
1852 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1853 non-word-aligned REG+CONST addressing.
1855 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1858 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1859 free_after_compilation when outputting a thunk.
1860 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1861 Do not call free_after_compilation here.
1863 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1865 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1866 (ix86_valid_target_attribute_inner_p): Ditto.
1868 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1870 PR tree-optimization/38492
1871 PR tree-optimization/38498
1872 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1873 * tree-chrec.h (scev_is_linear_expression): Declared.
1874 * graphite.c (graphite_cannot_represent_loop_niter): New.
1875 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1876 (graphite_loop_normal_form): Use gcc_assert.
1877 (scan_tree_for_params): Use CASE_CONVERT.
1878 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1879 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1880 Use gcc_assert. Discard scops that contain unhandled cases.
1881 (build_scop_conditions): Return a boolean status for unhandled cases.
1882 (strip_mine_profitable_p): Print the loop number, not its depth.
1883 (is_interchange_valid): Pass the depth of the loop nest, don't
1884 recompute it wrongly.
1885 (graphite_trans_bb_block): Same.
1886 (graphite_trans_bb_block): Print tentative of loop blocking.
1887 (graphite_trans_scop_block): Do not print that the loop has been
1889 (graphite_transform_loops): Do not handle scops that contain condition
1892 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1894 AVX Programming Reference (December, 2008)
1895 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1896 (_mm256_stream_pd): Likewise.
1897 (_mm256_stream_ps): Likewise.
1899 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1900 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1901 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1902 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1903 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1904 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1905 (ix86_expand_special_args_builtin): Likewise.
1907 * config/i386/sse.md (AVXMODEDI): New.
1908 (avx_movnt<mode>): Likewise.
1909 (avx_movnt<mode>): Likewise.
1910 (<sse>_movnt<mode>): Remove AVX support.
1911 (sse2_movntv2di): Likewise.
1913 2009-01-07 Richard Guenther <rguenther@suse.de>
1916 * fold-const.c (extract_muldiv): Remove obsolete comment.
1917 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1918 to PLUS_EXPR canonicalization for the canonicalization.
1920 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1922 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1923 hosted cross-compilers generating less efficient code.
1925 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1927 * function.h (rtl_data): Add a dbr_scheduled_p field.
1928 * reorg.c (dbr_schedule): Set it.
1929 (gate_handle_delay_slots): Check it.
1930 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1931 (mips_reorg): Check flag_delayed_branch instead of
1932 mips_base_delayed_branch.
1933 (mips_override_options): Don't set mips_base_delayed_branch
1934 or flag_delayed_branch.
1936 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1938 PR rtl-optimization/38426.
1939 * ira.c (ira): Set current_function_is_leaf earlier.
1941 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1943 PR rtl-optimization/38722
1944 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1945 too early, only set a flag and modify after last possible
1948 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1951 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1952 * real.c (decimal_single_format): Correct values of emin and emax.
1953 (decimal_double_format): Ditto.
1954 (decimal_quad_format): Ditto.
1955 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1956 computation of DECnn_MIN and DECnn_MAX for corrected values of
1957 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1958 __DECnn_MIN__, and adjust its computation for the corrected value
1961 2009-01-06 Jan Hubicka <jh@suse.cz>
1964 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1966 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1968 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1969 Add Robert Clark to the list of testers.
1971 2009-01-06 Jan Hubicka <jh@suse.cz>
1972 Kai Tietz <kai.tietz@onevision.com>
1974 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1975 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1977 2009-01-06 Jan Hubicka <jh@suse.cz>
1978 Kai Tietz <kai.tietz@onevision.com>
1980 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1982 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1983 (ix86_nsaved_regs): Count only general purpose regs.
1984 (ix86_nsaved_sseregs): New.
1985 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1986 to 16 for w64; compute padding and size of sse reg save area.
1987 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1988 general purpose regs.
1989 (ix86_emit_save_sse_regs_using_mov): New.
1990 (ix86_expand_prologue): Save SSE regs if needed.
1991 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1992 (ix86_emit_restore_sse_regs_using_mov): New.
1993 (ix86_expand_epilogue): Save SSE regs if needed.
1995 2009-01-06 Jan Hubicka <jh@suse.cz>
1996 Kai Tietz <kai.tietz@onevision.com>
1998 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1999 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2000 functions when accumulate outgoing args is off.
2002 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2005 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2006 before using pseudos_have_intersected_live_ranges_p.
2008 * ira-int.h (ira_assert): Always define.
2010 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2012 AVX Programming Reference (December, 2008)
2013 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2014 (_mm256_permute2_pd): Likewise.
2015 (_mm_permute2_ps): Likewise.
2016 (_mm256_permute2_ps): Likewise.
2017 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2018 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2020 * config/i386/i386.c (ix86_builtins): Remove
2021 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2022 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2023 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2024 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2025 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2026 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2027 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2028 __builtin_ia32_vpermil2ps256.
2029 (ix86_init_mmx_sse_builtins): Updated.
2030 (ix86_expand_args_builtin): Likewise.
2032 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2034 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2035 long absolute calls when generating PA 2.0 code.
2037 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2039 PR rtl-optimization/38583
2040 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2042 * params.def (ira-max-conflict-table-size): New.
2044 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2046 * ira.h (ira_conflicts_p): New external definition.
2048 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2049 table. Report this. Return result of building.
2050 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2051 building conflict table.
2053 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2054 (ira_color): Use ira_conflicts_p.
2056 * global.c: Include ira.h.
2057 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2060 * Makefile.in (global.o): Add ira.h.
2062 * ira-build.c (mark_all_loops_for_removal,
2063 propagate_some_info_from_allocno): New.
2064 (remove_unnecessary_allocnos): Call
2065 propagate_some_info_from_allocno.
2066 (remove_low_level_allocnos): New.
2067 (remove_unnecessary_regions): Add parameter. Call
2068 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2069 parameter to remove_unnecessary_regions.
2070 (ira_build): Remove all regions but root if the conflict table was
2071 not built. Update conflict hard regs for allocnos crossing calls.
2073 * ira.c (ira_conflicts_p): New global.
2074 (ira): Define and use ira_conflicts_p.
2076 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2077 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2078 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2080 2009-01-06 Ben Elliston <bje@au.ibm.com>
2082 * gengtype-lex.l (YY_NO_INPUT): Define.
2084 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2087 * c-common.c (handle_vector_size_attribute): Also reject
2090 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2092 PR tree-optimization/38492
2093 * graphite.c (rename_map_elt, debug_rename_elt,
2094 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2095 rename_map_elt_info, eq_rename_map_elts,
2096 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2097 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2098 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2099 (sese_build_livein_liveouts): New.
2100 (new_sese, free_sese): New.
2101 (new_scop): Call new_sese.
2102 (free_scop): Call free_sese.
2103 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2104 (register_old_new_names): Renamed register_old_and_new_names.
2105 (register_scop_liveout_renames, add_loop_exit_phis,
2106 insert_loop_close_phis, struct igp,
2107 default_liveout_before_guard, add_guard_exit_phis,
2108 insert_guard_phis, copy_renames): New.
2109 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2110 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2111 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2112 (scop_adjust_phis_for_liveouts): New.
2113 (gloog): Call scop_adjust_phis_for_liveouts.
2115 * graphite.h (struct sese): Documented. Added fields liveout,
2117 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2118 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2119 (struct scop): Added field liveout_renames.
2120 (SCOP_LIVEOUT_RENAMES): New.
2122 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2124 PR tree-optimization/38510
2125 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2126 (translate_clast): Call recompute_all_dominators before
2128 (gloog): Call recompute_all_dominators before graphite_verify.
2130 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2131 Jan Sjodin <jan.sjodin@amd.com>
2133 PR tree-optimization/38500
2134 * graphite.c (create_sese_edges): Call fix_loop_structure after
2137 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2139 * config.gcc: Add m32r*-*-rtems*.
2140 * config/m32r/rtems.h: New file.
2142 2009-01-05 Ben Elliston <bje@au.ibm.com>
2144 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2145 (.po.pox): Likewise.
2146 (po/gcc.pot): Likewise.
2148 2009-01-04 David S. Miller <davem@davemloft.net>
2150 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2151 (STARTING_FRAME_OFFSET): Always set to zero.
2153 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2155 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2156 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2157 fixed-point types, and vectors of the same.
2159 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2161 * config/mips/sync.md (*mb_barrier): Rename to...
2162 (*memory_barrier): ...this.
2164 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2166 * doc/extend.texi (Function Attributes): Move @cindex after @item
2167 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2168 and put in alphabetical order. Fix 'target' name and put in order.
2169 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2172 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2174 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2175 (memory_barrier): Expand as unspec instead of unspec_volatile.
2176 Remove mem:BLK from insn operands. Use Pmode scratch register.
2177 (*memory_barrier): Define as unspec instead of unspec_volatile.
2178 Use (match_dup 0) as input operand.
2180 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2181 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2182 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2183 scratch register. Remove operand 1.
2184 (*stbar): Define as unspec instead of unspec_volatile.
2185 Use (match_dup 0) as input operand, remove (const_int 8).
2186 (*membar): Define as unspec instead of unspec_volatile.
2187 Use (match_dup 0) as input operand, remove input operand 2.
2189 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2190 (memory_barrier): Expand as unspec instead of unspec_volatile.
2191 Remove mem:BLK from insn operands. Use Pmode scratch register.
2192 (*memory_barrier): Define as unspec instead of unspec_volatile.
2193 Use (match_dup 0) as input operand.
2195 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2196 Remove mem:BLK from insn operands. Use Pmode scratch register.
2197 Set volatile flag on operand 0.
2198 (*memory_barrier): New insn pattern.
2200 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2202 (*memory_barrier): Use (match_dup 0) as input operand.
2204 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2205 Remove mem:BLK from insn operands. Use Pmode scratch register.
2206 Set volatile flag on operand 0.
2207 (*mb_internal): New insn pattern.
2209 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2211 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2214 * function.c (struct temp_slot): Move to the section of the file
2215 that deals with temp slots. Remove field 'address'.
2216 (temp_slot_address_table): New hash table of address -> temp slot.
2217 (struct temp_slot_address_entry): New struct, items for the table.
2218 (temp_slot_address_compute_hash, temp_slot_address_hash,
2219 temp_slot_address_eq, insert_temp_slot_address): Support functions
2221 (find_temp_slot_from_address): Rewrite to use the new hash table.
2222 (remove_unused_temp_slot_addresses): Remove addresses of temp
2223 slots that have been made available.
2224 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2225 worker function for remove_unused_temp_slot_addresses.
2226 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2227 Add the temp slot address to the address -> temp slot map.
2228 (update_temp_slot_address): Update via insert_temp_slot_address.
2229 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2230 (pop_temp_slots): Likewise.
2231 (init_temp_slots): Allocate the address -> temp slot map, or empty
2232 the map if it is already allocated.
2233 (prepare_function_start): Initialize temp slot processing.
2235 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2238 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2239 Calculate the size of all stack vars assuming no packing of stack
2240 vars will happen, replacing a quadratic algorithm with a linear one.
2242 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2245 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2248 2009-01-03 Diego Novillo <dnovillo@google.com>
2250 * doc/contrib.texi: Update contributions.
2252 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2255 * builtins.c (fold_builtin_memory_op): Give up if either operand
2256 is volatile. Set srctype or desttype to non-qualified version
2260 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2263 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2265 PR rtl-optimization/35805
2266 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2267 problem if fast dce is able to remove any instructions.
2268 * dce.c (dce_process_block): Fix dump message.
2270 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2273 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2275 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2278 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2279 * tree-pretty-print.c (op_code_prio): New function.
2280 (op_prio): No longer static. Use op_code_prio.
2281 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2282 Use op_prio and op_code_prio to determine if () should be
2283 printed around operand(s) or not.
2285 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2286 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2287 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2288 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2289 pp_character instead of pp_string for single letter printing.
2291 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2293 * doc/extend.texi: Fix '#pragma GCC option' typo.
2295 2009-01-02 Richard Guenther <rguenther@suse.de>
2297 * doc/install.texi (--enable-checking): Mention different
2299 (--enable-stage1-checking): Document.
2301 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2304 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2305 case to be an error.
2307 2009-01-02 Ben Elliston <bje@au.ibm.com>
2309 * config/fp-bit.h (pack_d): Constify argument.
2310 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2311 (isnan): Constify argument.
2315 (_fpadd_parts): Constify return type.
2316 (_fpmul_parts): Likewise.
2317 (_fpdiv_parts): Likewise.
2319 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2322 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2323 warn about overwriting initializer with side-effects or
2324 -Woverride-init if !IMPLICIT.
2325 (output_init_element): Likewise. Pass IMPLICIT down to
2327 (process_init_element): Add IMPLICIT argument. Pass it down
2328 to output_init_element.
2329 (push_init_element, pop_init_level, set_designator): Adjust
2330 process_init_element callers.
2331 (set_nonincremental_init, set_nonincremental_init_from_string):
2332 Adjust add_pending_init callers.
2333 (output_pending_init_elements): Adjust output_init_element callers.
2334 * c-tree.h (process_init_element): Adjust prototype.
2335 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2336 process_init_element callers.