1 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5 ix86_expand_vector_set for V4DImode in 64bit mode only.
6 (ix86_expand_vector_init_one_var): Likewise.
8 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
10 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
12 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
15 * loop-iv.c: Revert last change.
16 * emit-rtl.c: Likewise.
18 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
21 * config/i386/i386.c (type_natural_mode): Remove an extra
22 space in the warning message.
23 (function_value_32): Handle 32-byte vector modes.
24 (return_in_memory_32): Likewise.
26 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
28 * loop-iv.c (truncate_value): New function.
29 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
31 (lowpart_subreg): Move to...
32 * emit-rtl.c: ...here.
34 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
36 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
37 accidental and undocumented change at revision 140860.
39 2009-02-21 Joseph Myers <joseph@codesourcery.com>
41 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
42 take gimple_seq * arguments.
43 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
44 types_compatible_p langhook.
46 2009-02-20 Mark Mitchell <mark@codesourcery.com>
47 Joseph Myers <joseph@codesourcery.com>
49 * config/arm/arm.c (arm_builtin_va_list): New function.
50 (arm_expand_builtin_va_start): Likewise.
51 (arm_gimplify_va_arg_expr): Likewise.
52 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
53 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
54 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
55 (va_list_type): New variable.
56 (arm_mangle_type): Mangle va_list_type appropriately.
58 2009-02-20 Jakub Jelinek <jakub@redhat.com>
61 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
62 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
63 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
64 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
65 parameter to 1000 for -O1 by default.
66 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
68 * loop-invariant.c: Include params.h.
69 (move_loop_invariants): Don't call move_single_loop_invariants on
72 2009-02-20 Jaka Mocnik <jaka@xlab.si>
74 * calls.c (emit_library_call_value_1): Use slot_offset instead of
75 offset when calculating bounds for indexing stack_usage_map. Fixes
76 a buffer overflow with certain target setups.
78 2009-02-20 Jakub Jelinek <jakub@redhat.com>
81 * calls.c (expand_call): Clear try_tail_call if caller and callee
82 disagree in promotion of function return value.
84 2009-02-19 Jakub Jelinek <jakub@redhat.com>
87 * c-common.c (c_determine_visibility): If visibility changed and
88 DECL_RTL has been already set, call make_decl_rtl to update symbol
91 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
94 * varasm.c (assemble_variable): Don't check DECL_NAME when
95 globalizing a variable.
97 2009-02-19 Joseph Myers <joseph@codesourcery.com>
100 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
101 expression before any __builtin_trap call.
102 * c-typeck.c (build_function_call): Convert and check function
103 arguments before generating a call to a trap. Evaluate the
104 function arguments before the trap.
106 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
109 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
110 (UNSPEC_FXAM_MEM): New unspec.
111 (fxam<mode>2_i387_with_temp): New insn and split pattern.
112 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
113 memory using fxam<mode>2_i387_with_temp to remove excess precision.
115 2009-02-19 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/39207
118 PR tree-optimization/39074
119 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
120 storedanything_tree): New.
121 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
122 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
123 (build_succ_graph): Add edges from STOREDANYTHING to all
125 (init_base_vars): Initialize STOREDANYTHING.
126 (compute_points_to_sets): Free substitution info after
127 building the succ graph.
128 (ipa_pta_execute): Likewise.
130 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
132 (do_ds_constraint): Do not add to special var or non-pointer
134 (type_could_have_pointers): Split out from ...
135 (could_have_pointers): ... here. For arrays use the element type.
136 (create_variable_info_for): Initialize may_have_pointers.
137 (new_var_info): Likewise.
138 (handle_lhs_call): Make the HEAP variable unknown-sized.
139 (intra_create_variable_infos): Use a type with pointers for
140 PARM_NOALIAS, make it unknown-sized.
142 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
145 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
147 2009-02-18 Jason Merrill <jason@redhat.com>
150 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
151 value if DECL_EXTERNAL.
152 * tree-sra.c (sra_walk_gimple_assign): Likewise.
153 * target.h (gcc_target::binds_local_p): Clarify "module".
154 * tree.h (TREE_PUBLIC): Clarify "module".
156 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
159 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
160 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
162 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
165 * c.opt (Wabi): Support C and ObjC.
168 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
170 * config/i386/i386.c (classify_argument): Warn once about the ABI
171 change when passing union with long double.
173 * doc/invoke.texi: Update -Wabi for warning psABI changes.
175 2009-02-18 Joseph Myers <joseph@codesourcery.com>
178 * c-parser.c (c_parser_compound_statement): Always enter and leave
181 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
184 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
186 2009-02-18 Jakub Jelinek <jakub@redhat.com>
188 PR tree-optimization/36922
189 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
190 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
193 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
195 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
198 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
200 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
202 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
204 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
207 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
208 Richard Sandiford <rdsandiford@googlemail.com>
210 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
211 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
212 (loongson_biadd): ...this.
214 2009-02-17 Richard Guenther <rguenther@suse.de>
216 PR tree-optimization/39202
217 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
218 a var make sure to follow existing collapses.
220 2009-02-17 Richard Guenther <rguenther@suse.de>
223 * langhooks.c (lhd_print_error_function): Check for NULL block.
225 2009-02-17 Richard Guenther <rguenther@suse.de>
227 PR tree-optimization/39204
228 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
231 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
233 * config/soft-fp/double.h: Update from glibc CVS.
235 2009-02-17 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/39207
238 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
239 strict-aliasing warnings for pointers pointing to NULL.
241 2009-02-16 Joseph Myers <joseph@codesourcery.com>
244 * c-parser.c (c_parser_braced_init): Call pop_init_level when
245 skipping until next close brace.
247 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
250 * config/i386/i386.c (ix86_expand_push): Set memory alignment
251 to function argument boundary.
253 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
255 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
256 in the lea_add. Reload eventually constraints it properly.
257 * config/picochip/constraints.md : Remove the target constraint
258 "b", since it is not needed anymore.
260 2009-02-16 Jakub Jelinek <jakub@redhat.com>
262 * gthr-dce.h: Uglify function parameter and local variable names.
263 * gthr-gnat.h: Likewise.
264 * gthr-mipssde.h: Likewise.
265 * gthr-nks.h: Likewise.
266 * gthr-posix95.h: Likewise.
267 * gthr-posix.h: Likewise.
268 * gthr-rtems.h: Likewise.
269 * gthr-single.h: Likewise.
270 * gthr-solaris.h: Likewise.
271 * gthr-tpf.h: Likewise.
272 * gthr-vxworks.h: Likewise.
273 * gthr-win32.h: Likewise.
275 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
278 * config/i386/i386.md: Restrict the new peephole2 to move
279 between MMX/SSE registers.
281 2009-02-15 Richard Guenther <rguenther@suse.de>
284 2009-02-13 Richard Guenther <rguenther@suse.de>
286 * configure.ac: Enable LFS.
287 * configure: Re-generate.
288 * config.in: Likewise.
290 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
292 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
293 spu_srqwbyte, spu_srqwbytebc): Define.
294 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
295 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
296 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
297 "shrqby_<mode>"): New insn-and-split patterns.
298 * config/spu/spu.c (expand_builtin_args): Determine and return
299 number of operands using spu_builtin_description data.
300 (spu_expand_builtin_1): Use it.
302 2009-02-13 Steve Ellcey <sje@cup.hp.com>
305 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
308 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
311 * config/i386/i386.c (override_options): Correct warning
312 messages for -malign-loops, -malign-jumps and -malign-functions.
314 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
317 * config/i386/i386.md: Restrict the new peephole2 to move
318 between the general purpose registers.
320 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
323 * config/i386/i386.c (type_natural_mode): Add a new argument.
324 Return the original mode and warn ABI change if vector size is 32byte.
325 (function_arg_advance): Updated.
326 (function_arg): Likewise.
327 (ix86_function_value): Likewise.
328 (ix86_return_in_memory): Likewise.
329 (ix86_sol10_return_in_memory): Likewise.
330 (ix86_gimplify_va_arg): Likewise.
331 (function_arg_32): Don't warn ABX ABI change here.
332 (function_arg_64): Likewise.
334 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
336 * loop-iv.c (implies_p): In the final case, test that operands 0
337 of the two comparisons match.
339 * config/bfin/bfin.c (find_prev_insn_start): New function.
340 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
341 (find_next_insn_start): Move.
343 2009-02-13 Richard Guenther <rguenther@suse.de>
345 * configure.ac: Enable LFS.
346 * configure: Re-generate.
347 * config.in: Likewise.
349 2009-02-13 Joseph Myers <joseph@codesourcery.com>
352 * c-parser.c (c_parser_parms_list_declarator): Discard pending
353 sizes on syntax error after some arguments have been parsed.
355 2009-02-12 Jakub Jelinek <jakub@redhat.com>
357 * doc/invoke.texi (-fira): Remove.
359 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
361 * caller-save.c: Replace regclass.c with reginfo.c in comments.
365 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
367 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
368 (umul_ppmm): Likewise.
369 (count_leading_zeros): Likewise.
370 (count_trailing_zeros): Likewise.
371 (UMUL_TIME): Likewise.
373 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
375 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
376 soft-fp/t-softfp to tmake_file.
378 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
379 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
380 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
381 IA64_BUILTIN_INFQ]: New.
382 (ia64_init_builtins): Initialize __builtin_infq,
383 __builtin_fabsq and __builtin_copysignq if not HPUX.
384 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
385 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
387 * config/ia64/lib1funcs.asm (__divtf3): Define only if
389 (__fixtfti): Likewise.
390 (__fixunstfti): Likewise.
391 (__floattitf): Likewise.
393 * config/ia64/libgcc-glibc.ver: New.
394 * config/ia64/t-fprules-softfp: Likewise.
395 * config/ia64/sfp-machine.h: Likewise.
397 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
398 (LIBGCC2_TF_CEXT): Likewise.
400 (TARGET_INIT_LIBFUNCS): Likewise.
402 * config/ia64/t-glibc (SHLINB_MAPFILES):
403 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
405 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
407 * config/i386/i386.c (construct_container): Rewrite processing
408 BLKmode with X86_64_SSE_CLASS.
410 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
413 * config/i386/i386.md: Replace simplify_replace_rtx with
414 replace_rtx in the new peephole2.
416 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
418 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
419 loop unrolling do not happen at -O2.
421 2009-02-12 Michael Matz <matz@suse.de>
423 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
425 2009-02-12 Jakub Jelinek <jakub@redhat.com>
427 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
430 2009-02-12 Ben Elliston <bje@au.ibm.com>
432 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
433 patterns when updating the back chain. Missed in the 2009-02-10
436 2009-02-11 Janis Johnson <janis187@us.ibm.com>
438 * doc/extend.texi (Decimal Floating Types): Update identifier of
439 draft TR and list of missing support.
441 2009-02-11 Jakub Jelinek <jakub@redhat.com>
444 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
445 bit to variable length decl's flags, add it also to its
446 pointer replacement variable.
448 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
449 Jakub Jelinek <jakub@redhat.com>
452 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
453 (memory_blockage): New expander.
454 (*memory_blockage): New insn pattern.
455 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
456 instead of general blockage at the end of function prologue when
457 frame pointer is used to access red zone area. Do not emit blockage
458 when profiling, it is emitted in generic code.
459 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
460 function epilogue when frame pointer is used to access red zone area.
462 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
465 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
466 by arithmetic with memory operands.
467 * config/i386/predicates.md (commutative_operator): New.
469 2009-02-10 Janis Johnson <janis187@us.ibm.com>
471 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
474 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
476 * alias.h (record_alias_subset): Declare.
477 * alias.c (record_alias_subset): Make global.
479 2009-02-10 Nick Clifton <nickc@redhat.com>
481 * tree-parloops.c: Change license to GPLv3.
482 * ipa-struct-reorg.c: Change license to GPLv3.
483 * ipa-struct-reorg.h: Change license to GPLv3.
485 2009-02-10 Steve Ellcey <sje@cup.hp.com>
488 * c-decl.c (start_struct): Return NULL on error.
490 2009-02-10 Jakub Jelinek <jakub@redhat.com>
493 * cfgloopmanip.c (remove_path): Call remove_bbs after
494 cancel_loop_tree, not before it.
497 * function.h (struct function): Add has_local_explicit_reg_vars bit.
498 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
500 * tree-ssa-live.c (remove_unused_locals): Recompute
501 cfun->has_local_explicit_reg_vars.
502 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
503 copies or clearings if cfun->has_local_explicit_reg_vars.
505 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386.c (expand_prologue): Emit blockage at the end
509 of function prologue when frame pointer is used to access
512 2009-02-10 Richard Guenther <rguenther@suse.de>
515 * gimplify.c (gimple_regimplify_operands): Always look if
516 we need to create a temporary.
518 2009-02-10 Richard Guenther <rguenther@suse.de>
520 PR tree-optimization/39132
521 * tree-loop-distribution.c (todo): New global var.
522 (generate_memset_zero): Trigger TODO_rebuild_alias.
523 (tree_loop_distribution): Return todo.
525 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
528 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
529 (x86_64_reg_class_name): Removed.
530 (classify_argument): Return 0 if bytes > 32. Return 0 if the
531 first one isn't X86_64_SSE_CLASS or any other ones aren't
532 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
533 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
534 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
535 and 3 X86_64_SSEUP_CLASS.
536 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
537 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
539 2009-02-10 Ben Elliston <bje@au.ibm.com>
541 * config/rs6000/rs6000.md (allocate_stack): Always use an update
542 form instruction to update the stack back chain word, even if the
543 user has disabled the generation of update instructions.
544 (movdi_<mode>_update_stack): New.
545 (movsi_update_stack): Likewise.
546 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
547 always use an update form instruction to update the stack back
550 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
553 * graphite.c (if_region_set_false_region): After moving a region in
554 the false branch of a condition, remove the empty dummy basic block.
555 (gloog): Remove wrong fix for PR38953.
557 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
559 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
560 generation due to implicit sign extension.
562 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
565 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
566 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
568 2009-02-09 Richard Guenther <rguenther@suse.de>
571 * convert.c (convert_to_real): Disable (float)fn((double)x)
572 to fnf(x) conversion if errno differences may occur and
575 2009-02-07 Anatoly Sokolov <aesok@post.ru>
577 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
578 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
579 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
581 2009-02-06 Joseph Myers <joseph@codesourcery.com>
584 * c-common.c (handle_alias_attribute): Disallow attribute for
585 anything not a FUNCTION_DECL or VAR_DECL.
587 2009-02-06 Janis Johnson <janis187@us.ibm.com>
590 * real.c (do_compare): Special-case compare of zero against
593 2009-02-06 Joseph Myers <joseph@codesourcery.com>
596 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
597 as indicating flexible array members unless the field itself is
598 being declarared as the incomplete array.
600 2009-02-06 Jan Hubicka <jh@suse.cz>
602 PR tree-optimization/38844
603 * ipa-inline.c (try_inline): Stop inlining recursion when edge
606 2009-02-06 Richard Guenther <rguenther@suse.de>
609 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
610 fork because we may expand it as __gcov_fork.
612 2009-02-06 Nick Clifton <nickc@redhat.com>
614 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
616 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
618 PR tree-optimization/35659
619 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
620 vn_phi_eq): Shortcut if hashcode does not match.
621 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
623 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
624 and avoid iterative_hash_expr.
625 (FOR_EACH_VALUE_ID_IN_SET): New.
626 (value_id_compare): Remove.
627 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
628 sort expressions by value id.
630 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
633 * config/sh/predicates.md (general_movsrc_operand): Don't check
634 the subreg of system registers here.
636 2009-02-05 Jakub Jelinek <jakub@redhat.com>
639 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
642 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
644 PR rtl-optimization/39110
645 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
646 addresses, not aligned ones.
648 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
649 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/39100
652 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
653 comment says and add edges.
655 2009-02-05 Joseph Myers <joseph@codesourcery.com>
658 * c-common.c (handle_tls_model_attribute): Ignore attribute for
659 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
661 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
663 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
664 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
665 register_bb_in_sese, new_sese, free_sese): Moved.
666 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
667 outermost_loop_in_scop, build_scop_iteration_domain,
668 expand_scalar_variables_ssa_name, get_vdef_before_scop,
669 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
670 Use loop_in_sese_p instead of loop_in_scop_p.
671 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
672 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
673 (scopdet_basic_block_info): Fix bug in scop detection.
674 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
675 eq_loop_to_cloog_loop): Remove.
676 (nb_loops_around_loop_in_scop, nb_loop
677 ref_nb_loops): Moved here...
678 * graphite.h (ref_nb_loops): ... from here.
679 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
680 (loop_domain_dim, loop_iteration_vector_dim): Remove.
681 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
682 * testsuite/gcc.dg/graphite/scop-19.c: New
684 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
685 Hans-Peter Nilsson <hp@axis.com>
687 PR rtl-optimization/37889
688 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
689 Move offset handling from PLUS to before the switch. Use new
690 arguments when considering SYMBOL_REFs too.
691 (rtx_addr_can_trap_p): Pass dummy offset and size.
692 (enum may_trap_p_flags): Remove.
693 (may_trap_p_1): Pass size from MEM_SIZE.
695 PR rtl-optimization/38921
696 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
697 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
698 * rtlanal.c (may_trap_after_code_motion_p): Delete.
699 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
701 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
703 AVX Programming Reference (January, 2009)
704 * config/i386/sse.md (*vpclmulqdq): New.
706 2009-02-04 Jakub Jelinek <jakub@redhat.com>
708 PR tree-optimization/38977
709 PR gcov-profile/38292
710 * calls.c (special_function_p): Disregard __builtin_ prefix.
712 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
714 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
715 non-indexable addresses even before reload.
717 2009-02-03 Joseph Myers <joseph@codesourcery.com>
720 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
721 as having variable size. Do not give an error for unnamed
722 parameters with [*] declarators. Give a warning for type names
723 with [*] declarators and mark them as variable size.
724 * c-parser.c (c_parser_sizeof_expression): Do not give an error
725 for sizeof applied to [*] type names.
727 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
730 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
732 2009-02-03 Jakub Jelinek <jakub@redhat.com>
734 * gcc.c (process_command): Update copyright notice dates.
735 * gcov.c (print_version): Likewise.
736 * gcov-dump.c (print_version): Likewise.
737 * mips-tfile.c (main): Likewise.
738 * mips-tdump.c (main): Likewise.
740 2009-02-03 Joseph Myers <joseph@codesourcery.com>
743 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
744 for composite type involving a zero-length array type.
746 2009-02-03 Jakub Jelinek <jakub@redhat.com>
749 * function.c (match_asm_constraints_1): Skip over
750 initial optional % in the constraint.
753 * c-parser.c (c_parser_postfix_expression): If fixed point is not
754 supported, don't accept FIXED_CSTs.
755 * c-decl.c (finish_declspecs): Error if fixed point is not supported
756 and _Sat is used without _Fract/_Accum. Set specs->type to
757 integer_type_node for cts_fract/cts_accum if fixed point is not
760 2009-02-02 Catherine Moore <clm@codesourcery.com>
762 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
764 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
766 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
767 (ABI_HAS_64BIT_SYMBOLS): Use it.
768 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
770 2009-02-02 Paul Brook <paul@codesourcery.com>
772 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
774 2009-02-02 Jakub Jelinek <jakub@redhat.com>
777 * recog.h (asm_operand_ok): Add constraints argument.
778 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
779 recurse on matching constraint.
780 (check_asm_operands): Pass constraints as 3rd argument to
781 asm_operand_ok. Don't look up matching constraint here.
782 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
785 2009-02-02 Ben Elliston <bje@au.ibm.com>
787 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
788 TARGET_NARROW_VOLATILE_BITFIELD macro names.
790 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
792 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
793 information. Remove some obsolete information. Reorganize.
795 * config/pa/fptr.c: Revert license to GPL 2.
796 * config/pa/milli64.S: Likewise.
798 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
801 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
802 LIBRARY name in, instead of hard-coding it.
803 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
804 extra target make frag to tmake_files according to EH model.
805 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
806 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
807 frags that define makefile variable EH_MODEL appropriately.
808 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
809 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
810 to "-sjlj" according to type of EH configured.
811 (LIBGCC_SONAME): Concatenate it to shared library base name.
812 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
813 to "_sjlj" according to type of EH configured.
814 (LIBGCC_SONAME): Concatenate it to shared library base name.
815 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
816 (SHLIB_LINK): Add missing semicolon to if-else construct.
817 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
818 string value of "pe_dll" command-line option.
819 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
820 (SHLIB_SONAME): Use it when overriding t-cygming default.
821 (SHLIB_IMPLIB): Override t-cygming default.
822 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
823 string value of "pe_dll" command-line option.
825 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
828 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
829 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
831 2009-01-31 Richard Guenther <rguenther@suse.de>
833 PR tree-optimization/38937
834 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
835 computing the transitive closure.
837 2009-01-30 Richard Guenther <rguenther@suse.de>
839 PR tree-optimization/39041
840 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
841 Propagate variable indices only if the types match for this stmt.
843 2009-01-30 Jakub Jelinek <jakub@redhat.com>
846 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
847 inline but never defined.
849 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
851 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
852 (*insv_h_di_reg_extimm): New insn.
853 (*insv_l<mode>_reg_extimm): New insn.
855 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
857 * config/picochip/picochip.c (flag_conserve_stack): set
858 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
859 fconserve-stack. Reduce call-overhead used by inliner.
861 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
864 * common.opt (flag_conserve_stack): Initialised to zero.
866 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
869 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
870 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
873 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
875 * ira-color.c (allocno_reload_assign): Update comments.
876 * regmove.c (regmove_optimize): Likewise.
880 2009-01-29 Robert Millan <rmh@aybabtu.com>
882 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
883 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
885 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
887 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
889 PR tree-optimization/39007
890 * tree-loop-distribution.c (generate_builtin): Use
891 recompute_dominator to compute the immediate dominator of the
892 basic block just after the loop.
894 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
896 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
897 (ASM_OUTPUT_DWARF_PCREL): Define.
899 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
901 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
902 * doc/passes.texi: Remove entries about regclass, local-alloc, and
903 global. Modify entries about regmove and IRA.
905 * ra-conflict.c: Remove the file.
907 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
909 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
910 (pass_regclass_init): Rename to pass_reginfo_init.
912 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
914 * toplev.h (flag_ira): Remove.
916 * caller-save.c (setup_save_areas): Remove flag_ira.
918 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
920 * global.c: Remove the file.
922 * opts.c: (decode_options): Remove flag_ira.
924 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
926 * regmove.c: Modify file description.
927 (find_use_as_address, try_auto_increment): Define them only if
928 AUTO_INC_DEC is defined.
929 (replacement_quality, replace_in_call_usage, fixup_match_1,
930 stable_and_no_regs_but_for_p): Remove.
931 (reg_set_in_bb): Make it static.
932 (regmove_optimize): Remove flag_ira and code which worked for
935 * local-alloc.c: Remove the file.
937 * common.opt (fira): Remove.
939 * ira.c: Include except.h.
940 (eliminable_regset): Move from global.c.
941 (mark_elimination): Ditto. Remove flag_ira.
942 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
943 equiv_mem_modified, validate_equiv_mem_from_store,
944 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
945 contains_replace_regs, memref_referenced_p, memref_used_between_p,
946 no_equiv, recorded_label_ref): Move from local-alloc.c.
947 (update_equiv_regs): Ditto. Make it static.
948 (print_insn_chain, print_insn_chains): Move it from global.c.
949 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
950 (build_insn_chain): Ditto. Make it static.
951 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
952 Rename to init_live_subregs.
953 (gate_ira): Remove flag_ira.
955 * regclass.c: Rename reginfo.c. Change file description.
956 (FORBIDDEN_INC_DEC_CLASSES): Remove.
957 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
958 (init_reg_sets_1): Remove code for evaluation of
959 reg_class_superclasses and losing_caller_save_reg_set.
960 (init_regs): Remove init_reg_autoinc.
961 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
962 ok_for_base_p_nonstrict): Remove.
963 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
964 (pass_regclass_init): Rename to pass_reginfo_init. Modify
965 corresponding entries.
966 (dump_regclass, record_operand_costs, scan_one_insn,
967 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
968 record_address_regs, auto_inc_dec_reg_p): Remove.
969 (gt-regclass.h): Rename to gt-reginfo.h.
971 * rtl.h (dump_global_regs, retry_global_alloc,
972 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
974 * Makefile.in (RA_H): Remove.
975 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
976 Rename regclass.o to reginfo.o.
977 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
979 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
980 (GTFILES): Rename regclass.c to reginfo.c.
982 * passes.c (init_optimization_passes): Remove pass_local_alloc and
983 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
985 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
986 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
988 (finish_spills): Ditto. Remove code for !flag_ira.
990 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
993 * doc/invoke.texi (rtl debug options): Complete rewrite.
994 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
996 * mode-switching.c (pass_mode_switching): Rename pass from
997 "mode-sw" to "mode_sw".
998 * except.c (pass_convert_to_eh_ranges): Rename pass from
999 "eh-ranges" to "eh_ranges".
1000 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1004 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1005 Alexander Monakov <amonakov@ispras.ru>
1008 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1010 (move_exprs_to_boundary): Change return type and pass through
1011 should_move from move_op. Relax assert. Update usage ...
1012 (schedule_expr_on_boundary): ... here. Use should_move instead of
1014 (move_op_orig_expr_found): Indicate that insn was disconnected from
1016 (code_motion_process_successors): Do not call after_merge_succs
1017 callback if original expression was not found when traversing any of
1019 (code_motion_path_driver): Change return type. Update prototype.
1020 (move_op): Update comment. Add a new parameter (should_move). Update
1021 prototype. Set *should_move based on indication provided by
1022 move_op_orig_expr_found.
1024 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1026 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1027 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1028 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1029 * config/rs6000/rs6000.c (rs6000_override_options): Default
1030 avoid-indexed-addresses on for Power6, off for everything else.
1031 (avoiding_indexed_address_p): New function.
1032 (rs6000_legitimize_address): Use it.
1033 (rs6000_legitimate_address): Likewise.
1034 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1036 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1038 PR tree-optimization/38997
1039 * tree-loop-distribution.c (generate_memset_zero): Use
1040 POINTER_PLUS_EXPR for a pointer addition.
1042 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1044 * config/s390/s390.md (bswap<mode>2): New pattern added.
1046 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1048 * config/s390/s390.md (*tls_load_31): Added type attribute.
1050 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1052 * config/s390/s390.md: Fix a few comments.
1054 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1056 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1057 (*tm<mode>_full): Fixed z10prop attribute.
1058 (*tst<mode>_extimm): Fixed z10prop attribute.
1059 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1060 (*tstqiCCT_cconly): Fixed z10prop attribute.
1061 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1062 (*movsi_larl): Fixed z10prop attribute.
1063 (*movsi_zarch): Fixed z10prop attribute.
1064 (*movsi_eas): Fixed z10prop attribute.
1065 (*movhi): Fixed z10prop attribute.
1066 (*movqi): Fixed z10prop attribute.
1067 (*movstrictqi): Fixed z10prop attribute.
1068 (*mov<mode>): Fixed z10prop attribute.
1069 (*movcc): Fixed z10prop attribute.
1070 (*sethighpartdi_64): Fixed z10prop attribute.
1071 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1072 (*negdi2_sign_cc): Fixed z10prop attribute.
1073 (*negdi2_sign): Fixed z10prop attribute.
1074 (*absdi2_sign_cc): Fixed z10prop attribute.
1075 (*absdi2_sign): Fixed z10prop attribute.
1076 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1077 (*negabsdi2_sign): Fixed z10prop attribute.
1078 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1079 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1080 (doloop_si64): Fixed z10prop attribute.
1081 (doloop_si31): Fixed z10prop attribute.
1082 (doloop_long): Fixed z10prop attribute.
1083 (indirect_jump): Fixed z10prop attribute.
1084 (nop): Fixed z10prop attribute.
1085 (main_base_64): Fixed z10prop attribute.
1086 (reload_base_64): Fixed z10prop attribute.
1088 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1090 PR rtl-optimization/38740
1091 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1093 * config/mips/mips.c (mips_reorg): Likewise.
1095 2009-01-28 Richard Guenther <rguenther@suse.de>
1097 PR tree-optimization/38926
1098 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1099 with the correct value id to a value.
1100 (do_regular_insertion): Use the value number of edoubleprime
1101 for the value number of the expr.
1104 2008-08-21 Richard Guenther <rguenther@suse.de>
1106 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1107 a PHI ask VN if it is already available.
1108 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1109 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1111 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1114 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1115 set to varying whenever max has TREE_OVERFLOW set, similarly
1116 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1118 2009-01-28 Richard Guenther <rguenther@suse.de>
1121 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1122 uninitialized aggregate uses in call arguments.
1124 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1126 PR tree-optimization/38984
1127 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1128 the nothing_id variable if -fno-delete-null-pointer-checks.
1130 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1133 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1134 (set_got_offset_rex64): Ditto.
1136 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1139 * doc/extend.texi: Improve local variable with asm reg.
1141 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1143 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1144 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1145 was not supplied then set warn_packed_bitfield_compat to the
1147 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1150 2009-01-27 Richard Guenther <rguenther@suse.de>
1152 PR tree-optimization/38503
1153 * cfgexpand.c (expand_gimple_basic_block): Ignore
1154 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1155 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1156 variables that cannot have TBAA applied.
1157 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1160 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1163 * calls.c (initialize_argument_information): Do not wrap complex
1164 arguments in SAVE_EXPR.
1166 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1168 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1169 (INSTALL_LIBGCC): Revert typo commit.
1171 2009-01-26 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/38745
1174 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1175 from special handling.
1177 2009-01-26 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/38745
1180 * tree-ssa.c (execute_update_addresses_taken): Do not include
1181 variables that cannot possibly be a register in not_reg_needs.
1182 Do not clear TREE_ADDRESSABLE on vars that may not become
1184 * tree-ssa.c (update_alias_info_1): Include those in the set
1185 of addressable vars.
1187 2009-01-26 Richard Guenther <rguenther@suse.de>
1190 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1191 * tree-ssa-dse.c: Include langhooks.h
1192 (execute_simple_dse): Remove stores with zero size.
1194 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1197 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1200 2009-01-24 Julian Brown <julian@codesourcery.com>
1202 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1203 config/arm/linux-atomic.c.
1204 * config/arm/linux-atomic.c: New.
1206 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1208 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1209 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1210 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1212 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1215 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1218 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1220 PR tree-optimization/38953
1221 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1222 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1223 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1224 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1227 2009-01-24 Paul Brook <paul@codesourcery.com>
1229 * config/arm/neon.md (neon_type): Move to arm.md.
1230 (neon_mov<VSTRUCT>): Add neon_type attribute.
1231 * config/arm/arm.md (neon_type): Move to here.
1232 (conds): Add "unconditioal" and use as default for NEON insns.
1234 2009-01-24 Ben Elliston <bje@au.ibm.com>
1236 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1237 void *' warning from -Wc++-compat.
1238 * Makefile.in (dominance.o-warn): Remove.
1240 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1242 PR tree-optimization/38932
1243 * fold-const.c (fold_unary_ignore_overflow): New.
1244 * tree.h (fold_unary_ignore_overflow): Declare.
1245 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1246 * tree-ssa-sccvn.c (visit_reference_op_load,
1247 simplify_unary_expression): Likewise.
1249 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1251 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1252 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1253 regardless of their type.
1254 * c-common.c (handle_packed_attribute): Don't ignore packed on
1256 * c.opt (Wpacked-bitfield-compat): New warning option.
1257 * stor-layout.c (place_field): Warn if offset of a field changed.
1258 * doc/extend.texi (packed): Mention the ABI change.
1259 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1260 (Warning Options): Add it to the list.
1262 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1264 * c-opts.c (c_common_post_options): Fix a typo in comments.
1266 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1269 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1270 variables to static.
1271 * doc/invoke.texi (-fmerge-all-constants): Update description.
1273 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1276 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1277 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1279 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1281 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1283 (LOCAL_ALIGNMENT): Similarly.
1285 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1286 Joseph Myers <joseph@codesourcery.com>
1288 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1289 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1290 * config/arm/arm-tune.md: Regenerate.
1291 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1294 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1296 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1297 version number to five.
1299 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1302 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1303 * c-common.c (set_underlying_type): Likewise.
1304 (is_typedef_decl ): Likewise
1306 (set_underlying_type): Likewise.
1307 (is_typedef_type): Likewise.
1309 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1312 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1315 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1318 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1319 (LIBGCC_SPEC): Don't define.
1320 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1322 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1324 PR rtl-optimization/38879
1325 * alias.c (base_alias_check): Unaligned access via AND address can
1326 alias all surrounding object types except those with sizes equal
1327 or wider than the size of unaligned access.
1329 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1332 * c-decl.c: (clone_underlying_type): Move this ...
1333 * c-common.c (set_underlying_type): ... here.
1334 Also, make sure the function properly sets TYPE_STUB_DECL() on
1335 the newly created typedef variant type.
1336 (is_typedef_decl ): New entry point.
1337 * tree.h: Added a new member member_types_needing_access_check to
1338 struct tree_decl_non_common.
1339 (set_underlying_type): New entry point.
1340 (is_typedef_type): Likewise.
1342 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1344 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1345 Check whether two instructions have memory references that
1346 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1347 are helper functions for traversing.
1348 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1349 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1350 not to draw dependency edge for instructions with non-conflicting
1353 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1356 * longlong.h: Update copyright years. Use soft-fp license notice.
1357 Sync __clz_tab declaration with glibc.
1359 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1362 * doc/extend.texi (syscall_linkage): New.
1363 (version_id): Modify.
1365 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1366 Richard Guenther <rguenther@suse.de>
1368 PR tree-optimization/38747
1369 PR tree-optimization/38748
1370 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1371 conversion if the base address is an indirect reference and the
1372 aliasing sets could cause issues.
1374 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1376 * common.opt (fgraphite, fgraphite-identity): Add comment for
1377 explaining why these options are not documented.
1379 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1381 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1382 gimple_call_lhs is NULL.
1384 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1387 * emit-rtl.c (adjust_address_1): Make sure memref is never
1390 2009-01-20 Ben Elliston <bje@au.ibm.com>
1392 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1393 const qualifier from arg parameter. Remove unnecessary cast to char *.
1394 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1395 const qualifier from arg 2.
1397 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1399 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1401 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1404 * rtl.h (reinit_regs): New prototype.
1405 * regclass.c: Include ira.h.
1407 * Makefile.in (regclass.o): Add ira.h.
1408 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1410 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1413 * c-common.c (handle_aligned_attribute): Use
1414 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1415 default alignment value.
1417 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1419 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1420 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1422 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1423 __BIGGEST_ALIGNMENT__.
1425 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1427 2009-01-18 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/38819
1430 * tree-flow.h (operation_could_trap_helper_p): Declare.
1431 * tree-eh.c (operation_could_trap_helper_p): Export.
1432 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1433 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1434 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1435 are about to insert a possibly trapping instruction and fail
1438 2009-01-18 Andreas Schwab <schwab@suse.de>
1440 * doc/install.texi (Configuration): Remove obsolete paragraph
1441 about use of --with-gnu-ld with --with-gnu-as.
1443 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1445 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1446 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1447 Follow spelling conventions.
1449 2009-01-18 Ben Elliston <bje@au.ibm.com>
1451 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1452 C++ warning about implicit conversion from void * to struct
1454 (bitmap_obstack_free): Likewise for bitmap_element *.
1455 * Makefile.in (bitmap.o-warn): Remove.
1457 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1459 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1461 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1462 Tobias Grosser <tobi.grosser@amd.com>
1464 * graphite.c (graphite_trans_scop_block): Do not block single
1467 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1469 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1470 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1471 test with assertion.
1473 2009-01-16 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/38835
1477 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1478 and INT + PTR -> (INT)(PTR p+ INT) folding.
1479 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1481 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1484 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1485 the subreg from a lowpart subreg if it is also casting the value.
1487 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1488 Tobias Grosser <tobi.grosser@amd.com>
1490 * graphite.c (compare_prefix_loops): New.
1491 (build_scop_canonical_schedules): Rewritten.
1492 (graphite_transform_loops): Move build_scop_canonical_schedules
1493 after build_scop_iteration_domain.
1495 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1496 Tobias Grosser <tobi.grosser@amd.com>
1498 * graphite.c (add_conditions_to_domain): Add the loops to
1499 the dimension of the iteration domain. Do copy the domain
1500 only when it exists.
1501 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1502 (add_conditions_to_constraints): New.
1503 (can_generate_code_stmt, can_generate_code): Removed.
1504 (gloog): Do not call can_generate_code.
1505 (graphite_transform_loops): Call add_conditions_to_constraints
1506 after building the iteration domain.
1508 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1510 PR tree-optimization/38789
1511 * tree-ssa-threadedge.c
1512 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1513 __builtin_constant_p.
1515 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1517 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1518 examined before deleting them.
1520 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1522 * function.c (aggregate_value_p): Correctly extract the function
1523 type from CALL_EXPR_FN lookup.
1525 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1527 * config/picochip/picochip.c (picochip_override_options): Revert
1528 CFI asm flag disable commited previously.
1530 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1531 Tobias Grosser <tobi.grosser@amd.com>
1532 Jan Sjodin <jan.sjodin@amd.com>
1534 * graphite.c (scan_tree_for_params): On substractions negate
1535 all the coefficients of the term.
1536 (clast_to_gcc_expression_red): New. Handle reduction expressions
1537 of more than two operands.
1538 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1539 (get_vdef_before_scop): Handle also the case of default definitions.
1541 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1543 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1544 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1545 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1547 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1548 Joey Ye <joey.ye@intel.com>
1551 * cfgexpand.c (expand_stack_alignment): Don't update stack
1552 boundary nor check incoming stack boundary here.
1553 (gimple_expand_cfg): Update stack boundary and check incoming
1554 stack boundary here.
1556 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1558 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1560 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1562 PR rtl-optimization/38245
1563 * calls.c (expand_call): Add stack arguments to
1564 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1565 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1566 in regs and partially in memory or BLKmode arguments.
1567 (emit_library_call_value_1): Add stack arguments to
1568 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1569 ACCUMULATE_OUTGOING_ARGS).
1570 * dce.c: Include tm_p.h.
1571 (find_call_stack_args): New function.
1572 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1574 (mark_insn): Call find_call_stack_args for CALL_Ps.
1575 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1576 forwards. Allocate and free arg_stores bitmap if needed, pass it
1577 down to deletable_insn_p, don't mark stores set in arg_stores
1578 bitmap, clear the bitmap at the beginning of each bb.
1579 * Makefile.in (dce.o): Depend on $(TM_P_H).
1581 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1584 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1585 to make sure the insn is a conditional test (bug 22599). Reformat a
1588 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1591 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1592 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1593 (gloog): Do not call cleanup_tree_cfg.
1594 (graphite_transform_loops): Call cleanup_tree_cfg after all
1595 scops have been code generated.
1597 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1598 * doc/gty.texi (Invoking the garbage collector): Added new node
1599 and section documenting ggc_collect.
1601 2009-01-14 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/38826
1605 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1606 initialization notes only if we actually emitted a warning.
1607 (intra_create_variable_infos): Add constraints for a result decl
1608 that is passed by hidden reference.
1609 (build_pred_graph): Mark all related variables non-direct on
1612 2009-01-14 Nick Clifton <nickc@redhat.com>
1614 * ira-conflicts.c: Include addresses.h for the definition of
1616 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1617 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1619 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1622 * Makefile.in (ira-lives.o): Add except.h.
1624 * ira-lives.c: Include except.h.
1625 (process_bb_node_lives): Process can_throw_internal.
1627 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1629 PR rtl-optimization/38774
1630 * combine.c (simplify_set): When undoing cc_use change, don't do
1631 PUT_CODE on the newly created comparison, but instead put back the
1634 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1636 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1637 values. Remove duplicate arm8 entry.
1639 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1641 PR tree-optimization/38786
1642 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1643 the SSA_NAME case of expand_scalar_variables_expr.
1644 Set the type of an expression to the type of its assign statement.
1645 (expand_scalar_variables_expr): Also gather the scalar computation
1646 used to index the memory access. Do not pass loop_p.
1647 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1648 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1649 the gimple_stmt_iterator where it inserts new code.
1651 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1652 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1654 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1656 * graphite.h (debug_value): Removed.
1657 * graphite.c (debug_value): Removed.
1659 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1661 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1662 ldrd/strd with two 32-bit instructions.
1664 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1666 * config/arm/arm.c (struct processors): Pass for speed down into
1667 cost helper functions.
1668 (const_ok_for_op): Handle COMPARE and inequality nodes.
1669 (arm_rtx_costs_1): Rewrite.
1670 (arm_size_rtx_costs): Update prototype.
1671 (arm_rtx_costs): Pass speed down to helper functions.
1672 (arm_slowmul_rtx_costs): Rework cost calculations.
1673 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1674 (arm_9e_rtx_costs): Likewise.
1676 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1678 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1679 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1680 (alpha_legitimize_address): Do not split local symbols wider than
1681 UNITS_PER_WORD into HIGH/LO_SUM parts.
1683 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1686 * gcc.c (process_command): Replace call to execvp with calls
1687 to pex_one and exit.
1689 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1692 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1693 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1694 variant for devices with 3-byte PC.
1695 (__tablejump_elpm__) : New.
1697 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1700 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1701 offsetof member-designator, handle it as `[0].'.
1703 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1705 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1706 function when not using named sections on targets with named sections
1707 if branch distance is less than 262132.
1709 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1711 * combine.c (combine_instructions): Recompute
1712 optimize_this_for_speed_p for each BB in the main combine loop.
1714 2009-01-12 Tomas Bily <tbily@suse.cz>
1717 * tree-loop-distribution.c (prop_phis): New function.
1718 (generate_builtin): Call prop_phis.
1719 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1721 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1723 PR tree-optimization/38807
1724 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1725 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1727 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1729 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1730 subreg of op0 to the original op0.
1732 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1734 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1736 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1739 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1740 starting with digits.
1742 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1745 * config/arm/arm.c (arm_is_long_call_p): Don't call
1746 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1748 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1750 * regrename.c (regrename_optimize): Fix dumping.
1751 (find_oldest_value_reg): Preserve REG_POINTER.
1752 (copy_hardreg_forward_1): Likewise.
1754 2009-01-09 Diego Novillo <dnovillo@google.com>
1756 * gimple.h (struct gimple_statement_base) <uid>: Document
1757 the restrictions on its use.
1759 (gimple_set_uid): Tidy.
1761 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1763 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1764 zero guard even if align_bytes != 0 and count is smaller than
1767 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1769 PR rtl-optimization/38495
1770 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1771 (add_range_and_copies_from_move_list): Print all added ranges.
1772 Add ranges to memory optimized destination.
1774 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1778 * config/i386/i386.c (override_options): Reject
1779 -mstringop-strategy=rep_8byte with -m32.
1780 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1781 to 1. Do count comparison against epilogue_size_needed at compile
1782 time even when count_exp was constant forced into register. For
1783 size_needed don't jump to epilogue, instead just avoid aligning
1784 and invoke the body algorithm. If need_zero_guard, add zero guard
1785 even if count is non-zero, but smaller than size_needed + number of
1786 bytes that could be stored for alignment.
1787 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1788 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1789 but smaller than size_needed + number of bytes that could be stored
1790 for alignment. Compare size_needed with epilogue_size_needed instead
1791 of desired_align - align, don't adjust size_needed, pass
1792 epilogue_size_needed to the epilogue expanders.
1795 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1797 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1799 * pa.c (last_address): Change to unsigned.
1800 (update_total_code_bytes): Change argument to unsigned. Don't
1801 check if insn addresses are set.
1802 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1803 addresses are not set.
1804 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1806 2009-01-09 Nick Clifton <nickc@redhat.com>
1808 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1809 DECL_DECLARED_INLINE_P.
1811 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1814 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1815 GET_MODE (op0) in operand_subword_force calls.
1818 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1819 fold_convert arg0 operands to TREE_TYPE (op0) first.
1821 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1823 * params.def (ira-max-conflict-table-size): Decrease default value
1826 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1828 PR tree-optimization/37031
1829 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1831 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1832 allocate it using gc instead of heap, use VEC_quick_push instead of
1834 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1835 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1836 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1837 allocated vector from heap allocated.
1838 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1839 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1840 vector only after perfect_loop_nest_depth call.
1842 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1843 Jan Sjodin <jan.sjodin@amd.com>
1845 PR tree-optimization/38559
1846 * graphite.c (debug_value, copy_constraint,
1847 swap_constraint_variables, scale_constraint_variable, ): New.
1848 (get_lower_bound, get_upper_bound): Removed.
1849 (graphite_trans_bb_strip_mine): Clean up this code that works
1850 only for constant number of iterations. Fully copy upper and
1851 lower bound constraints, not only the constant part of them.
1852 * graphite.h (debug_value): Declared.
1854 2009-01-08 Ira Rosen <irar@il.ibm.com>
1856 PR tree-optimization/37194
1857 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1858 Don't add the cost of cost model guard in prologue to scalar
1859 outside cost in case of known number of iterations.
1861 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1862 Alan Modra <amodra@bigpond.net.au>
1864 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1865 non-word-aligned REG+CONST addressing.
1867 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1870 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1871 free_after_compilation when outputting a thunk.
1872 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1873 Do not call free_after_compilation here.
1875 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1877 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1878 (ix86_valid_target_attribute_inner_p): Ditto.
1880 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1882 PR tree-optimization/38492
1883 PR tree-optimization/38498
1884 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1885 * tree-chrec.h (scev_is_linear_expression): Declared.
1886 * graphite.c (graphite_cannot_represent_loop_niter): New.
1887 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1888 (graphite_loop_normal_form): Use gcc_assert.
1889 (scan_tree_for_params): Use CASE_CONVERT.
1890 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1891 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1892 Use gcc_assert. Discard scops that contain unhandled cases.
1893 (build_scop_conditions): Return a boolean status for unhandled cases.
1894 (strip_mine_profitable_p): Print the loop number, not its depth.
1895 (is_interchange_valid): Pass the depth of the loop nest, don't
1896 recompute it wrongly.
1897 (graphite_trans_bb_block): Same.
1898 (graphite_trans_bb_block): Print tentative of loop blocking.
1899 (graphite_trans_scop_block): Do not print that the loop has been
1901 (graphite_transform_loops): Do not handle scops that contain condition
1904 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1906 AVX Programming Reference (December, 2008)
1907 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1908 (_mm256_stream_pd): Likewise.
1909 (_mm256_stream_ps): Likewise.
1911 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1912 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1913 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1914 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1915 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1916 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1917 (ix86_expand_special_args_builtin): Likewise.
1919 * config/i386/sse.md (AVXMODEDI): New.
1920 (avx_movnt<mode>): Likewise.
1921 (avx_movnt<mode>): Likewise.
1922 (<sse>_movnt<mode>): Remove AVX support.
1923 (sse2_movntv2di): Likewise.
1925 2009-01-07 Richard Guenther <rguenther@suse.de>
1928 * fold-const.c (extract_muldiv): Remove obsolete comment.
1929 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1930 to PLUS_EXPR canonicalization for the canonicalization.
1932 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1934 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1935 hosted cross-compilers generating less efficient code.
1937 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1939 * function.h (rtl_data): Add a dbr_scheduled_p field.
1940 * reorg.c (dbr_schedule): Set it.
1941 (gate_handle_delay_slots): Check it.
1942 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1943 (mips_reorg): Check flag_delayed_branch instead of
1944 mips_base_delayed_branch.
1945 (mips_override_options): Don't set mips_base_delayed_branch
1946 or flag_delayed_branch.
1948 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1950 PR rtl-optimization/38426.
1951 * ira.c (ira): Set current_function_is_leaf earlier.
1953 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1955 PR rtl-optimization/38722
1956 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1957 too early, only set a flag and modify after last possible
1960 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1963 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1964 * real.c (decimal_single_format): Correct values of emin and emax.
1965 (decimal_double_format): Ditto.
1966 (decimal_quad_format): Ditto.
1967 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1968 computation of DECnn_MIN and DECnn_MAX for corrected values of
1969 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1970 __DECnn_MIN__, and adjust its computation for the corrected value
1973 2009-01-06 Jan Hubicka <jh@suse.cz>
1976 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1978 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1980 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1981 Add Robert Clark to the list of testers.
1983 2009-01-06 Jan Hubicka <jh@suse.cz>
1984 Kai Tietz <kai.tietz@onevision.com>
1986 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1987 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1989 2009-01-06 Jan Hubicka <jh@suse.cz>
1990 Kai Tietz <kai.tietz@onevision.com>
1992 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1994 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1995 (ix86_nsaved_regs): Count only general purpose regs.
1996 (ix86_nsaved_sseregs): New.
1997 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1998 to 16 for w64; compute padding and size of sse reg save area.
1999 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2000 general purpose regs.
2001 (ix86_emit_save_sse_regs_using_mov): New.
2002 (ix86_expand_prologue): Save SSE regs if needed.
2003 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2004 (ix86_emit_restore_sse_regs_using_mov): New.
2005 (ix86_expand_epilogue): Save SSE regs if needed.
2007 2009-01-06 Jan Hubicka <jh@suse.cz>
2008 Kai Tietz <kai.tietz@onevision.com>
2010 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2011 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2012 functions when accumulate outgoing args is off.
2014 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2017 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2018 before using pseudos_have_intersected_live_ranges_p.
2020 * ira-int.h (ira_assert): Always define.
2022 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2024 AVX Programming Reference (December, 2008)
2025 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2026 (_mm256_permute2_pd): Likewise.
2027 (_mm_permute2_ps): Likewise.
2028 (_mm256_permute2_ps): Likewise.
2029 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2030 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2032 * config/i386/i386.c (ix86_builtins): Remove
2033 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2034 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2035 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2036 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2037 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2038 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2039 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2040 __builtin_ia32_vpermil2ps256.
2041 (ix86_init_mmx_sse_builtins): Updated.
2042 (ix86_expand_args_builtin): Likewise.
2044 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2046 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2047 long absolute calls when generating PA 2.0 code.
2049 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2051 PR rtl-optimization/38583
2052 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2054 * params.def (ira-max-conflict-table-size): New.
2056 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2058 * ira.h (ira_conflicts_p): New external definition.
2060 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2061 table. Report this. Return result of building.
2062 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2063 building conflict table.
2065 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2066 (ira_color): Use ira_conflicts_p.
2068 * global.c: Include ira.h.
2069 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2072 * Makefile.in (global.o): Add ira.h.
2074 * ira-build.c (mark_all_loops_for_removal,
2075 propagate_some_info_from_allocno): New.
2076 (remove_unnecessary_allocnos): Call
2077 propagate_some_info_from_allocno.
2078 (remove_low_level_allocnos): New.
2079 (remove_unnecessary_regions): Add parameter. Call
2080 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2081 parameter to remove_unnecessary_regions.
2082 (ira_build): Remove all regions but root if the conflict table was
2083 not built. Update conflict hard regs for allocnos crossing calls.
2085 * ira.c (ira_conflicts_p): New global.
2086 (ira): Define and use ira_conflicts_p.
2088 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2089 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2090 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2092 2009-01-06 Ben Elliston <bje@au.ibm.com>
2094 * gengtype-lex.l (YY_NO_INPUT): Define.
2096 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2099 * c-common.c (handle_vector_size_attribute): Also reject
2102 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2104 PR tree-optimization/38492
2105 * graphite.c (rename_map_elt, debug_rename_elt,
2106 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2107 rename_map_elt_info, eq_rename_map_elts,
2108 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2109 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2110 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2111 (sese_build_livein_liveouts): New.
2112 (new_sese, free_sese): New.
2113 (new_scop): Call new_sese.
2114 (free_scop): Call free_sese.
2115 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2116 (register_old_new_names): Renamed register_old_and_new_names.
2117 (register_scop_liveout_renames, add_loop_exit_phis,
2118 insert_loop_close_phis, struct igp,
2119 default_liveout_before_guard, add_guard_exit_phis,
2120 insert_guard_phis, copy_renames): New.
2121 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2122 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2123 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2124 (scop_adjust_phis_for_liveouts): New.
2125 (gloog): Call scop_adjust_phis_for_liveouts.
2127 * graphite.h (struct sese): Documented. Added fields liveout,
2129 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2130 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2131 (struct scop): Added field liveout_renames.
2132 (SCOP_LIVEOUT_RENAMES): New.
2134 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2136 PR tree-optimization/38510
2137 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2138 (translate_clast): Call recompute_all_dominators before
2140 (gloog): Call recompute_all_dominators before graphite_verify.
2142 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2143 Jan Sjodin <jan.sjodin@amd.com>
2145 PR tree-optimization/38500
2146 * graphite.c (create_sese_edges): Call fix_loop_structure after
2149 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2151 * config.gcc: Add m32r*-*-rtems*.
2152 * config/m32r/rtems.h: New file.
2154 2009-01-05 Ben Elliston <bje@au.ibm.com>
2156 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2157 (.po.pox): Likewise.
2158 (po/gcc.pot): Likewise.
2160 2009-01-04 David S. Miller <davem@davemloft.net>
2162 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2163 (STARTING_FRAME_OFFSET): Always set to zero.
2165 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2167 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2168 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2169 fixed-point types, and vectors of the same.
2171 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2173 * config/mips/sync.md (*mb_barrier): Rename to...
2174 (*memory_barrier): ...this.
2176 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2178 * doc/extend.texi (Function Attributes): Move @cindex after @item
2179 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2180 and put in alphabetical order. Fix 'target' name and put in order.
2181 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2184 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2186 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2187 (memory_barrier): Expand as unspec instead of unspec_volatile.
2188 Remove mem:BLK from insn operands. Use Pmode scratch register.
2189 (*memory_barrier): Define as unspec instead of unspec_volatile.
2190 Use (match_dup 0) as input operand.
2192 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2193 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2194 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2195 scratch register. Remove operand 1.
2196 (*stbar): Define as unspec instead of unspec_volatile.
2197 Use (match_dup 0) as input operand, remove (const_int 8).
2198 (*membar): Define as unspec instead of unspec_volatile.
2199 Use (match_dup 0) as input operand, remove input operand 2.
2201 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2202 (memory_barrier): Expand as unspec instead of unspec_volatile.
2203 Remove mem:BLK from insn operands. Use Pmode scratch register.
2204 (*memory_barrier): Define as unspec instead of unspec_volatile.
2205 Use (match_dup 0) as input operand.
2207 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2208 Remove mem:BLK from insn operands. Use Pmode scratch register.
2209 Set volatile flag on operand 0.
2210 (*memory_barrier): New insn pattern.
2212 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2214 (*memory_barrier): Use (match_dup 0) as input operand.
2216 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2217 Remove mem:BLK from insn operands. Use Pmode scratch register.
2218 Set volatile flag on operand 0.
2219 (*mb_internal): New insn pattern.
2221 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2223 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2226 * function.c (struct temp_slot): Move to the section of the file
2227 that deals with temp slots. Remove field 'address'.
2228 (temp_slot_address_table): New hash table of address -> temp slot.
2229 (struct temp_slot_address_entry): New struct, items for the table.
2230 (temp_slot_address_compute_hash, temp_slot_address_hash,
2231 temp_slot_address_eq, insert_temp_slot_address): Support functions
2233 (find_temp_slot_from_address): Rewrite to use the new hash table.
2234 (remove_unused_temp_slot_addresses): Remove addresses of temp
2235 slots that have been made available.
2236 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2237 worker function for remove_unused_temp_slot_addresses.
2238 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2239 Add the temp slot address to the address -> temp slot map.
2240 (update_temp_slot_address): Update via insert_temp_slot_address.
2241 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2242 (pop_temp_slots): Likewise.
2243 (init_temp_slots): Allocate the address -> temp slot map, or empty
2244 the map if it is already allocated.
2245 (prepare_function_start): Initialize temp slot processing.
2247 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2250 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2251 Calculate the size of all stack vars assuming no packing of stack
2252 vars will happen, replacing a quadratic algorithm with a linear one.
2254 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2257 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2260 2009-01-03 Diego Novillo <dnovillo@google.com>
2262 * doc/contrib.texi: Update contributions.
2264 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2267 * builtins.c (fold_builtin_memory_op): Give up if either operand
2268 is volatile. Set srctype or desttype to non-qualified version
2272 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2275 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2277 PR rtl-optimization/35805
2278 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2279 problem if fast dce is able to remove any instructions.
2280 * dce.c (dce_process_block): Fix dump message.
2282 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2285 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2287 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2290 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2291 * tree-pretty-print.c (op_code_prio): New function.
2292 (op_prio): No longer static. Use op_code_prio.
2293 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2294 Use op_prio and op_code_prio to determine if () should be
2295 printed around operand(s) or not.
2297 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2298 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2299 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2300 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2301 pp_character instead of pp_string for single letter printing.
2303 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2305 * doc/extend.texi: Fix '#pragma GCC option' typo.
2307 2009-01-02 Richard Guenther <rguenther@suse.de>
2309 * doc/install.texi (--enable-checking): Mention different
2311 (--enable-stage1-checking): Document.
2313 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2316 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2317 case to be an error.
2319 2009-01-02 Ben Elliston <bje@au.ibm.com>
2321 * config/fp-bit.h (pack_d): Constify argument.
2322 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2323 (isnan): Constify argument.
2327 (_fpadd_parts): Constify return type.
2328 (_fpmul_parts): Likewise.
2329 (_fpdiv_parts): Likewise.
2331 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2334 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2335 warn about overwriting initializer with side-effects or
2336 -Woverride-init if !IMPLICIT.
2337 (output_init_element): Likewise. Pass IMPLICIT down to
2339 (process_init_element): Add IMPLICIT argument. Pass it down
2340 to output_init_element.
2341 (push_init_element, pop_init_level, set_designator): Adjust
2342 process_init_element callers.
2343 (set_nonincremental_init, set_nonincremental_init_from_string):
2344 Adjust add_pending_init callers.
2345 (output_pending_init_elements): Adjust output_init_element callers.
2346 * c-tree.h (process_init_element): Adjust prototype.
2347 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2348 process_init_element callers.