1 2009-02-23 Jan Hubicka <jh@suse.cz>
3 PR tree-optimization/37709
4 * tree.c (block_ultimate_origin): Move here from dwarf2out.
5 * tree.h (block_ultimate_origin): Declare.
6 * dwarf2out.c (block_ultimate_origin): Move to tree.c
7 * tree-ssa-live.c (remove_unused_scope_block_p):
8 Eliminate blocks containig no instructions nor live variables nor
10 (dump_scope_block): New function.
11 (remove_unused_locals): Enable removal of dead blocks by default;
12 enable dumping at TDF_DETAILS.
14 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
16 * config/i386/i386.c (classify_argument): Don't allow COImode
18 (function_arg_advance_32): Don't allow OImode.
19 (function_arg_32): Likewise.
20 (function_value_32): Likewise.
21 (return_in_memory_32): Likewise.
22 (function_arg_64): Remove OImode comment.
24 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
27 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
28 ix86_expand_vector_set for V4DImode in 64bit mode only.
29 (ix86_expand_vector_init_one_var): Likewise.
31 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
33 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
35 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
38 * loop-iv.c: Revert last change.
39 * emit-rtl.c: Likewise.
41 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
44 * config/i386/i386.c (type_natural_mode): Remove an extra
45 space in the warning message.
46 (function_value_32): Handle 32-byte vector modes.
47 (return_in_memory_32): Likewise.
49 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
51 * loop-iv.c (truncate_value): New function.
52 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
54 (lowpart_subreg): Move to...
55 * emit-rtl.c: ...here.
57 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
59 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
60 accidental and undocumented change at revision 140860.
62 2009-02-21 Joseph Myers <joseph@codesourcery.com>
64 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
65 take gimple_seq * arguments.
66 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
67 types_compatible_p langhook.
69 2009-02-20 Mark Mitchell <mark@codesourcery.com>
70 Joseph Myers <joseph@codesourcery.com>
72 * config/arm/arm.c (arm_builtin_va_list): New function.
73 (arm_expand_builtin_va_start): Likewise.
74 (arm_gimplify_va_arg_expr): Likewise.
75 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
76 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
77 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
78 (va_list_type): New variable.
79 (arm_mangle_type): Mangle va_list_type appropriately.
81 2009-02-20 Jakub Jelinek <jakub@redhat.com>
84 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
85 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
86 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
87 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
88 parameter to 1000 for -O1 by default.
89 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
91 * loop-invariant.c: Include params.h.
92 (move_loop_invariants): Don't call move_single_loop_invariants on
95 2009-02-20 Jaka Mocnik <jaka@xlab.si>
97 * calls.c (emit_library_call_value_1): Use slot_offset instead of
98 offset when calculating bounds for indexing stack_usage_map. Fixes
99 a buffer overflow with certain target setups.
101 2009-02-20 Jakub Jelinek <jakub@redhat.com>
104 * calls.c (expand_call): Clear try_tail_call if caller and callee
105 disagree in promotion of function return value.
107 2009-02-19 Jakub Jelinek <jakub@redhat.com>
110 * c-common.c (c_determine_visibility): If visibility changed and
111 DECL_RTL has been already set, call make_decl_rtl to update symbol
114 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
117 * varasm.c (assemble_variable): Don't check DECL_NAME when
118 globalizing a variable.
120 2009-02-19 Joseph Myers <joseph@codesourcery.com>
123 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
124 expression before any __builtin_trap call.
125 * c-typeck.c (build_function_call): Convert and check function
126 arguments before generating a call to a trap. Evaluate the
127 function arguments before the trap.
129 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
132 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
133 (UNSPEC_FXAM_MEM): New unspec.
134 (fxam<mode>2_i387_with_temp): New insn and split pattern.
135 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
136 memory using fxam<mode>2_i387_with_temp to remove excess precision.
138 2009-02-19 Richard Guenther <rguenther@suse.de>
140 PR tree-optimization/39207
141 PR tree-optimization/39074
142 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
143 storedanything_tree): New.
144 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
145 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
146 (build_succ_graph): Add edges from STOREDANYTHING to all
148 (init_base_vars): Initialize STOREDANYTHING.
149 (compute_points_to_sets): Free substitution info after
150 building the succ graph.
151 (ipa_pta_execute): Likewise.
153 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
155 (do_ds_constraint): Do not add to special var or non-pointer
157 (type_could_have_pointers): Split out from ...
158 (could_have_pointers): ... here. For arrays use the element type.
159 (create_variable_info_for): Initialize may_have_pointers.
160 (new_var_info): Likewise.
161 (handle_lhs_call): Make the HEAP variable unknown-sized.
162 (intra_create_variable_infos): Use a type with pointers for
163 PARM_NOALIAS, make it unknown-sized.
165 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
168 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
170 2009-02-18 Jason Merrill <jason@redhat.com>
173 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
174 value if DECL_EXTERNAL.
175 * tree-sra.c (sra_walk_gimple_assign): Likewise.
176 * target.h (gcc_target::binds_local_p): Clarify "module".
177 * tree.h (TREE_PUBLIC): Clarify "module".
179 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
182 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
183 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
185 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
188 * c.opt (Wabi): Support C and ObjC.
191 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
193 * config/i386/i386.c (classify_argument): Warn once about the ABI
194 change when passing union with long double.
196 * doc/invoke.texi: Update -Wabi for warning psABI changes.
198 2009-02-18 Joseph Myers <joseph@codesourcery.com>
201 * c-parser.c (c_parser_compound_statement): Always enter and leave
204 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
207 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
209 2009-02-18 Jakub Jelinek <jakub@redhat.com>
211 PR tree-optimization/36922
212 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
213 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
216 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
218 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
221 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
223 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
225 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
227 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
230 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
231 Richard Sandiford <rdsandiford@googlemail.com>
233 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
234 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
235 (loongson_biadd): ...this.
237 2009-02-17 Richard Guenther <rguenther@suse.de>
239 PR tree-optimization/39202
240 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
241 a var make sure to follow existing collapses.
243 2009-02-17 Richard Guenther <rguenther@suse.de>
246 * langhooks.c (lhd_print_error_function): Check for NULL block.
248 2009-02-17 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/39204
251 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
254 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
256 * config/soft-fp/double.h: Update from glibc CVS.
258 2009-02-17 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/39207
261 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
262 strict-aliasing warnings for pointers pointing to NULL.
264 2009-02-16 Joseph Myers <joseph@codesourcery.com>
267 * c-parser.c (c_parser_braced_init): Call pop_init_level when
268 skipping until next close brace.
270 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
273 * config/i386/i386.c (ix86_expand_push): Set memory alignment
274 to function argument boundary.
276 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
278 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
279 in the lea_add. Reload eventually constraints it properly.
280 * config/picochip/constraints.md : Remove the target constraint
281 "b", since it is not needed anymore.
283 2009-02-16 Jakub Jelinek <jakub@redhat.com>
285 * gthr-dce.h: Uglify function parameter and local variable names.
286 * gthr-gnat.h: Likewise.
287 * gthr-mipssde.h: Likewise.
288 * gthr-nks.h: Likewise.
289 * gthr-posix95.h: Likewise.
290 * gthr-posix.h: Likewise.
291 * gthr-rtems.h: Likewise.
292 * gthr-single.h: Likewise.
293 * gthr-solaris.h: Likewise.
294 * gthr-tpf.h: Likewise.
295 * gthr-vxworks.h: Likewise.
296 * gthr-win32.h: Likewise.
298 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
301 * config/i386/i386.md: Restrict the new peephole2 to move
302 between MMX/SSE registers.
304 2009-02-15 Richard Guenther <rguenther@suse.de>
307 2009-02-13 Richard Guenther <rguenther@suse.de>
309 * configure.ac: Enable LFS.
310 * configure: Re-generate.
311 * config.in: Likewise.
313 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
315 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
316 spu_srqwbyte, spu_srqwbytebc): Define.
317 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
318 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
319 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
320 "shrqby_<mode>"): New insn-and-split patterns.
321 * config/spu/spu.c (expand_builtin_args): Determine and return
322 number of operands using spu_builtin_description data.
323 (spu_expand_builtin_1): Use it.
325 2009-02-13 Steve Ellcey <sje@cup.hp.com>
328 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
331 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
334 * config/i386/i386.c (override_options): Correct warning
335 messages for -malign-loops, -malign-jumps and -malign-functions.
337 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
340 * config/i386/i386.md: Restrict the new peephole2 to move
341 between the general purpose registers.
343 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
346 * config/i386/i386.c (type_natural_mode): Add a new argument.
347 Return the original mode and warn ABI change if vector size is 32byte.
348 (function_arg_advance): Updated.
349 (function_arg): Likewise.
350 (ix86_function_value): Likewise.
351 (ix86_return_in_memory): Likewise.
352 (ix86_sol10_return_in_memory): Likewise.
353 (ix86_gimplify_va_arg): Likewise.
354 (function_arg_32): Don't warn ABX ABI change here.
355 (function_arg_64): Likewise.
357 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
359 * loop-iv.c (implies_p): In the final case, test that operands 0
360 of the two comparisons match.
362 * config/bfin/bfin.c (find_prev_insn_start): New function.
363 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
364 (find_next_insn_start): Move.
366 2009-02-13 Richard Guenther <rguenther@suse.de>
368 * configure.ac: Enable LFS.
369 * configure: Re-generate.
370 * config.in: Likewise.
372 2009-02-13 Joseph Myers <joseph@codesourcery.com>
375 * c-parser.c (c_parser_parms_list_declarator): Discard pending
376 sizes on syntax error after some arguments have been parsed.
378 2009-02-12 Jakub Jelinek <jakub@redhat.com>
380 * doc/invoke.texi (-fira): Remove.
382 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
384 * caller-save.c: Replace regclass.c with reginfo.c in comments.
388 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
390 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
391 (umul_ppmm): Likewise.
392 (count_leading_zeros): Likewise.
393 (count_trailing_zeros): Likewise.
394 (UMUL_TIME): Likewise.
396 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
398 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
399 soft-fp/t-softfp to tmake_file.
401 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
402 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
403 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
404 IA64_BUILTIN_INFQ]: New.
405 (ia64_init_builtins): Initialize __builtin_infq,
406 __builtin_fabsq and __builtin_copysignq if not HPUX.
407 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
408 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
410 * config/ia64/lib1funcs.asm (__divtf3): Define only if
412 (__fixtfti): Likewise.
413 (__fixunstfti): Likewise.
414 (__floattitf): Likewise.
416 * config/ia64/libgcc-glibc.ver: New.
417 * config/ia64/t-fprules-softfp: Likewise.
418 * config/ia64/sfp-machine.h: Likewise.
420 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
421 (LIBGCC2_TF_CEXT): Likewise.
423 (TARGET_INIT_LIBFUNCS): Likewise.
425 * config/ia64/t-glibc (SHLINB_MAPFILES):
426 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
428 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
430 * config/i386/i386.c (construct_container): Rewrite processing
431 BLKmode with X86_64_SSE_CLASS.
433 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
436 * config/i386/i386.md: Replace simplify_replace_rtx with
437 replace_rtx in the new peephole2.
439 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
441 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
442 loop unrolling do not happen at -O2.
444 2009-02-12 Michael Matz <matz@suse.de>
446 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
448 2009-02-12 Jakub Jelinek <jakub@redhat.com>
450 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
453 2009-02-12 Ben Elliston <bje@au.ibm.com>
455 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
456 patterns when updating the back chain. Missed in the 2009-02-10
459 2009-02-11 Janis Johnson <janis187@us.ibm.com>
461 * doc/extend.texi (Decimal Floating Types): Update identifier of
462 draft TR and list of missing support.
464 2009-02-11 Jakub Jelinek <jakub@redhat.com>
467 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
468 bit to variable length decl's flags, add it also to its
469 pointer replacement variable.
471 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
472 Jakub Jelinek <jakub@redhat.com>
475 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
476 (memory_blockage): New expander.
477 (*memory_blockage): New insn pattern.
478 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
479 instead of general blockage at the end of function prologue when
480 frame pointer is used to access red zone area. Do not emit blockage
481 when profiling, it is emitted in generic code.
482 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
483 function epilogue when frame pointer is used to access red zone area.
485 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
488 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
489 by arithmetic with memory operands.
490 * config/i386/predicates.md (commutative_operator): New.
492 2009-02-10 Janis Johnson <janis187@us.ibm.com>
494 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
497 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
499 * alias.h (record_alias_subset): Declare.
500 * alias.c (record_alias_subset): Make global.
502 2009-02-10 Nick Clifton <nickc@redhat.com>
504 * tree-parloops.c: Change license to GPLv3.
505 * ipa-struct-reorg.c: Change license to GPLv3.
506 * ipa-struct-reorg.h: Change license to GPLv3.
508 2009-02-10 Steve Ellcey <sje@cup.hp.com>
511 * c-decl.c (start_struct): Return NULL on error.
513 2009-02-10 Jakub Jelinek <jakub@redhat.com>
516 * cfgloopmanip.c (remove_path): Call remove_bbs after
517 cancel_loop_tree, not before it.
520 * function.h (struct function): Add has_local_explicit_reg_vars bit.
521 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
523 * tree-ssa-live.c (remove_unused_locals): Recompute
524 cfun->has_local_explicit_reg_vars.
525 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
526 copies or clearings if cfun->has_local_explicit_reg_vars.
528 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
531 * config/i386/i386.c (expand_prologue): Emit blockage at the end
532 of function prologue when frame pointer is used to access
535 2009-02-10 Richard Guenther <rguenther@suse.de>
538 * gimplify.c (gimple_regimplify_operands): Always look if
539 we need to create a temporary.
541 2009-02-10 Richard Guenther <rguenther@suse.de>
543 PR tree-optimization/39132
544 * tree-loop-distribution.c (todo): New global var.
545 (generate_memset_zero): Trigger TODO_rebuild_alias.
546 (tree_loop_distribution): Return todo.
548 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
552 (x86_64_reg_class_name): Removed.
553 (classify_argument): Return 0 if bytes > 32. Return 0 if the
554 first one isn't X86_64_SSE_CLASS or any other ones aren't
555 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
556 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
557 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
558 and 3 X86_64_SSEUP_CLASS.
559 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
560 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
562 2009-02-10 Ben Elliston <bje@au.ibm.com>
564 * config/rs6000/rs6000.md (allocate_stack): Always use an update
565 form instruction to update the stack back chain word, even if the
566 user has disabled the generation of update instructions.
567 (movdi_<mode>_update_stack): New.
568 (movsi_update_stack): Likewise.
569 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
570 always use an update form instruction to update the stack back
573 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
576 * graphite.c (if_region_set_false_region): After moving a region in
577 the false branch of a condition, remove the empty dummy basic block.
578 (gloog): Remove wrong fix for PR38953.
580 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
582 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
583 generation due to implicit sign extension.
585 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
588 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
589 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
591 2009-02-09 Richard Guenther <rguenther@suse.de>
594 * convert.c (convert_to_real): Disable (float)fn((double)x)
595 to fnf(x) conversion if errno differences may occur and
598 2009-02-07 Anatoly Sokolov <aesok@post.ru>
600 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
601 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
602 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
604 2009-02-06 Joseph Myers <joseph@codesourcery.com>
607 * c-common.c (handle_alias_attribute): Disallow attribute for
608 anything not a FUNCTION_DECL or VAR_DECL.
610 2009-02-06 Janis Johnson <janis187@us.ibm.com>
613 * real.c (do_compare): Special-case compare of zero against
616 2009-02-06 Joseph Myers <joseph@codesourcery.com>
619 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
620 as indicating flexible array members unless the field itself is
621 being declarared as the incomplete array.
623 2009-02-06 Jan Hubicka <jh@suse.cz>
625 PR tree-optimization/38844
626 * ipa-inline.c (try_inline): Stop inlining recursion when edge
629 2009-02-06 Richard Guenther <rguenther@suse.de>
632 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
633 fork because we may expand it as __gcov_fork.
635 2009-02-06 Nick Clifton <nickc@redhat.com>
637 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
639 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
641 PR tree-optimization/35659
642 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
643 vn_phi_eq): Shortcut if hashcode does not match.
644 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
646 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
647 and avoid iterative_hash_expr.
648 (FOR_EACH_VALUE_ID_IN_SET): New.
649 (value_id_compare): Remove.
650 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
651 sort expressions by value id.
653 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
656 * config/sh/predicates.md (general_movsrc_operand): Don't check
657 the subreg of system registers here.
659 2009-02-05 Jakub Jelinek <jakub@redhat.com>
662 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
665 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
667 PR rtl-optimization/39110
668 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
669 addresses, not aligned ones.
671 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
672 Richard Guenther <rguenther@suse.de>
674 PR tree-optimization/39100
675 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
676 comment says and add edges.
678 2009-02-05 Joseph Myers <joseph@codesourcery.com>
681 * c-common.c (handle_tls_model_attribute): Ignore attribute for
682 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
684 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
686 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
687 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
688 register_bb_in_sese, new_sese, free_sese): Moved.
689 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
690 outermost_loop_in_scop, build_scop_iteration_domain,
691 expand_scalar_variables_ssa_name, get_vdef_before_scop,
692 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
693 Use loop_in_sese_p instead of loop_in_scop_p.
694 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
695 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
696 (scopdet_basic_block_info): Fix bug in scop detection.
697 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
698 eq_loop_to_cloog_loop): Remove.
699 (nb_loops_around_loop_in_scop, nb_loop
700 ref_nb_loops): Moved here...
701 * graphite.h (ref_nb_loops): ... from here.
702 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
703 (loop_domain_dim, loop_iteration_vector_dim): Remove.
704 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
705 * testsuite/gcc.dg/graphite/scop-19.c: New
707 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
708 Hans-Peter Nilsson <hp@axis.com>
710 PR rtl-optimization/37889
711 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
712 Move offset handling from PLUS to before the switch. Use new
713 arguments when considering SYMBOL_REFs too.
714 (rtx_addr_can_trap_p): Pass dummy offset and size.
715 (enum may_trap_p_flags): Remove.
716 (may_trap_p_1): Pass size from MEM_SIZE.
718 PR rtl-optimization/38921
719 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
720 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
721 * rtlanal.c (may_trap_after_code_motion_p): Delete.
722 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
724 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
726 AVX Programming Reference (January, 2009)
727 * config/i386/sse.md (*vpclmulqdq): New.
729 2009-02-04 Jakub Jelinek <jakub@redhat.com>
731 PR tree-optimization/38977
732 PR gcov-profile/38292
733 * calls.c (special_function_p): Disregard __builtin_ prefix.
735 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
737 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
738 non-indexable addresses even before reload.
740 2009-02-03 Joseph Myers <joseph@codesourcery.com>
743 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
744 as having variable size. Do not give an error for unnamed
745 parameters with [*] declarators. Give a warning for type names
746 with [*] declarators and mark them as variable size.
747 * c-parser.c (c_parser_sizeof_expression): Do not give an error
748 for sizeof applied to [*] type names.
750 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
753 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
755 2009-02-03 Jakub Jelinek <jakub@redhat.com>
757 * gcc.c (process_command): Update copyright notice dates.
758 * gcov.c (print_version): Likewise.
759 * gcov-dump.c (print_version): Likewise.
760 * mips-tfile.c (main): Likewise.
761 * mips-tdump.c (main): Likewise.
763 2009-02-03 Joseph Myers <joseph@codesourcery.com>
766 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
767 for composite type involving a zero-length array type.
769 2009-02-03 Jakub Jelinek <jakub@redhat.com>
772 * function.c (match_asm_constraints_1): Skip over
773 initial optional % in the constraint.
776 * c-parser.c (c_parser_postfix_expression): If fixed point is not
777 supported, don't accept FIXED_CSTs.
778 * c-decl.c (finish_declspecs): Error if fixed point is not supported
779 and _Sat is used without _Fract/_Accum. Set specs->type to
780 integer_type_node for cts_fract/cts_accum if fixed point is not
783 2009-02-02 Catherine Moore <clm@codesourcery.com>
785 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
787 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
789 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
790 (ABI_HAS_64BIT_SYMBOLS): Use it.
791 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
793 2009-02-02 Paul Brook <paul@codesourcery.com>
795 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
797 2009-02-02 Jakub Jelinek <jakub@redhat.com>
800 * recog.h (asm_operand_ok): Add constraints argument.
801 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
802 recurse on matching constraint.
803 (check_asm_operands): Pass constraints as 3rd argument to
804 asm_operand_ok. Don't look up matching constraint here.
805 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
808 2009-02-02 Ben Elliston <bje@au.ibm.com>
810 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
811 TARGET_NARROW_VOLATILE_BITFIELD macro names.
813 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
815 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
816 information. Remove some obsolete information. Reorganize.
818 * config/pa/fptr.c: Revert license to GPL 2.
819 * config/pa/milli64.S: Likewise.
821 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
824 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
825 LIBRARY name in, instead of hard-coding it.
826 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
827 extra target make frag to tmake_files according to EH model.
828 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
829 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
830 frags that define makefile variable EH_MODEL appropriately.
831 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
832 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
833 to "-sjlj" according to type of EH configured.
834 (LIBGCC_SONAME): Concatenate it to shared library base name.
835 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
836 to "_sjlj" according to type of EH configured.
837 (LIBGCC_SONAME): Concatenate it to shared library base name.
838 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
839 (SHLIB_LINK): Add missing semicolon to if-else construct.
840 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
841 string value of "pe_dll" command-line option.
842 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
843 (SHLIB_SONAME): Use it when overriding t-cygming default.
844 (SHLIB_IMPLIB): Override t-cygming default.
845 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
846 string value of "pe_dll" command-line option.
848 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
851 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
852 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
854 2009-01-31 Richard Guenther <rguenther@suse.de>
856 PR tree-optimization/38937
857 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
858 computing the transitive closure.
860 2009-01-30 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/39041
863 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
864 Propagate variable indices only if the types match for this stmt.
866 2009-01-30 Jakub Jelinek <jakub@redhat.com>
869 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
870 inline but never defined.
872 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
874 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
875 (*insv_h_di_reg_extimm): New insn.
876 (*insv_l<mode>_reg_extimm): New insn.
878 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
880 * config/picochip/picochip.c (flag_conserve_stack): set
881 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
882 fconserve-stack. Reduce call-overhead used by inliner.
884 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
887 * common.opt (flag_conserve_stack): Initialised to zero.
889 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
892 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
893 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
896 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
898 * ira-color.c (allocno_reload_assign): Update comments.
899 * regmove.c (regmove_optimize): Likewise.
903 2009-01-29 Robert Millan <rmh@aybabtu.com>
905 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
906 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
908 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
910 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
912 PR tree-optimization/39007
913 * tree-loop-distribution.c (generate_builtin): Use
914 recompute_dominator to compute the immediate dominator of the
915 basic block just after the loop.
917 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
919 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
920 (ASM_OUTPUT_DWARF_PCREL): Define.
922 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
924 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
925 * doc/passes.texi: Remove entries about regclass, local-alloc, and
926 global. Modify entries about regmove and IRA.
928 * ra-conflict.c: Remove the file.
930 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
932 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
933 (pass_regclass_init): Rename to pass_reginfo_init.
935 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
937 * toplev.h (flag_ira): Remove.
939 * caller-save.c (setup_save_areas): Remove flag_ira.
941 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
943 * global.c: Remove the file.
945 * opts.c: (decode_options): Remove flag_ira.
947 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
949 * regmove.c: Modify file description.
950 (find_use_as_address, try_auto_increment): Define them only if
951 AUTO_INC_DEC is defined.
952 (replacement_quality, replace_in_call_usage, fixup_match_1,
953 stable_and_no_regs_but_for_p): Remove.
954 (reg_set_in_bb): Make it static.
955 (regmove_optimize): Remove flag_ira and code which worked for
958 * local-alloc.c: Remove the file.
960 * common.opt (fira): Remove.
962 * ira.c: Include except.h.
963 (eliminable_regset): Move from global.c.
964 (mark_elimination): Ditto. Remove flag_ira.
965 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
966 equiv_mem_modified, validate_equiv_mem_from_store,
967 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
968 contains_replace_regs, memref_referenced_p, memref_used_between_p,
969 no_equiv, recorded_label_ref): Move from local-alloc.c.
970 (update_equiv_regs): Ditto. Make it static.
971 (print_insn_chain, print_insn_chains): Move it from global.c.
972 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
973 (build_insn_chain): Ditto. Make it static.
974 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
975 Rename to init_live_subregs.
976 (gate_ira): Remove flag_ira.
978 * regclass.c: Rename reginfo.c. Change file description.
979 (FORBIDDEN_INC_DEC_CLASSES): Remove.
980 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
981 (init_reg_sets_1): Remove code for evaluation of
982 reg_class_superclasses and losing_caller_save_reg_set.
983 (init_regs): Remove init_reg_autoinc.
984 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
985 ok_for_base_p_nonstrict): Remove.
986 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
987 (pass_regclass_init): Rename to pass_reginfo_init. Modify
988 corresponding entries.
989 (dump_regclass, record_operand_costs, scan_one_insn,
990 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
991 record_address_regs, auto_inc_dec_reg_p): Remove.
992 (gt-regclass.h): Rename to gt-reginfo.h.
994 * rtl.h (dump_global_regs, retry_global_alloc,
995 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
997 * Makefile.in (RA_H): Remove.
998 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
999 Rename regclass.o to reginfo.o.
1000 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1002 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1003 (GTFILES): Rename regclass.c to reginfo.c.
1005 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1006 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1008 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1009 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1011 (finish_spills): Ditto. Remove code for !flag_ira.
1013 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1016 * doc/invoke.texi (rtl debug options): Complete rewrite.
1017 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1019 * mode-switching.c (pass_mode_switching): Rename pass from
1020 "mode-sw" to "mode_sw".
1021 * except.c (pass_convert_to_eh_ranges): Rename pass from
1022 "eh-ranges" to "eh_ranges".
1023 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1027 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1028 Alexander Monakov <amonakov@ispras.ru>
1031 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1033 (move_exprs_to_boundary): Change return type and pass through
1034 should_move from move_op. Relax assert. Update usage ...
1035 (schedule_expr_on_boundary): ... here. Use should_move instead of
1037 (move_op_orig_expr_found): Indicate that insn was disconnected from
1039 (code_motion_process_successors): Do not call after_merge_succs
1040 callback if original expression was not found when traversing any of
1042 (code_motion_path_driver): Change return type. Update prototype.
1043 (move_op): Update comment. Add a new parameter (should_move). Update
1044 prototype. Set *should_move based on indication provided by
1045 move_op_orig_expr_found.
1047 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1049 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1050 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1051 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1052 * config/rs6000/rs6000.c (rs6000_override_options): Default
1053 avoid-indexed-addresses on for Power6, off for everything else.
1054 (avoiding_indexed_address_p): New function.
1055 (rs6000_legitimize_address): Use it.
1056 (rs6000_legitimate_address): Likewise.
1057 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1059 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1061 PR tree-optimization/38997
1062 * tree-loop-distribution.c (generate_memset_zero): Use
1063 POINTER_PLUS_EXPR for a pointer addition.
1065 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1067 * config/s390/s390.md (bswap<mode>2): New pattern added.
1069 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1071 * config/s390/s390.md (*tls_load_31): Added type attribute.
1073 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1075 * config/s390/s390.md: Fix a few comments.
1077 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1079 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1080 (*tm<mode>_full): Fixed z10prop attribute.
1081 (*tst<mode>_extimm): Fixed z10prop attribute.
1082 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1083 (*tstqiCCT_cconly): Fixed z10prop attribute.
1084 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1085 (*movsi_larl): Fixed z10prop attribute.
1086 (*movsi_zarch): Fixed z10prop attribute.
1087 (*movsi_eas): Fixed z10prop attribute.
1088 (*movhi): Fixed z10prop attribute.
1089 (*movqi): Fixed z10prop attribute.
1090 (*movstrictqi): Fixed z10prop attribute.
1091 (*mov<mode>): Fixed z10prop attribute.
1092 (*movcc): Fixed z10prop attribute.
1093 (*sethighpartdi_64): Fixed z10prop attribute.
1094 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1095 (*negdi2_sign_cc): Fixed z10prop attribute.
1096 (*negdi2_sign): Fixed z10prop attribute.
1097 (*absdi2_sign_cc): Fixed z10prop attribute.
1098 (*absdi2_sign): Fixed z10prop attribute.
1099 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1100 (*negabsdi2_sign): Fixed z10prop attribute.
1101 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1102 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1103 (doloop_si64): Fixed z10prop attribute.
1104 (doloop_si31): Fixed z10prop attribute.
1105 (doloop_long): Fixed z10prop attribute.
1106 (indirect_jump): Fixed z10prop attribute.
1107 (nop): Fixed z10prop attribute.
1108 (main_base_64): Fixed z10prop attribute.
1109 (reload_base_64): Fixed z10prop attribute.
1111 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1113 PR rtl-optimization/38740
1114 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1116 * config/mips/mips.c (mips_reorg): Likewise.
1118 2009-01-28 Richard Guenther <rguenther@suse.de>
1120 PR tree-optimization/38926
1121 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1122 with the correct value id to a value.
1123 (do_regular_insertion): Use the value number of edoubleprime
1124 for the value number of the expr.
1127 2008-08-21 Richard Guenther <rguenther@suse.de>
1129 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1130 a PHI ask VN if it is already available.
1131 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1132 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1134 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1137 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1138 set to varying whenever max has TREE_OVERFLOW set, similarly
1139 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1141 2009-01-28 Richard Guenther <rguenther@suse.de>
1144 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1145 uninitialized aggregate uses in call arguments.
1147 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1149 PR tree-optimization/38984
1150 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1151 the nothing_id variable if -fno-delete-null-pointer-checks.
1153 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1156 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1157 (set_got_offset_rex64): Ditto.
1159 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1162 * doc/extend.texi: Improve local variable with asm reg.
1164 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1166 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1167 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1168 was not supplied then set warn_packed_bitfield_compat to the
1170 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1173 2009-01-27 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/38503
1176 * cfgexpand.c (expand_gimple_basic_block): Ignore
1177 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1178 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1179 variables that cannot have TBAA applied.
1180 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1183 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1186 * calls.c (initialize_argument_information): Do not wrap complex
1187 arguments in SAVE_EXPR.
1189 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1191 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1192 (INSTALL_LIBGCC): Revert typo commit.
1194 2009-01-26 Richard Guenther <rguenther@suse.de>
1196 PR tree-optimization/38745
1197 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1198 from special handling.
1200 2009-01-26 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/38745
1203 * tree-ssa.c (execute_update_addresses_taken): Do not include
1204 variables that cannot possibly be a register in not_reg_needs.
1205 Do not clear TREE_ADDRESSABLE on vars that may not become
1207 * tree-ssa.c (update_alias_info_1): Include those in the set
1208 of addressable vars.
1210 2009-01-26 Richard Guenther <rguenther@suse.de>
1213 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1214 * tree-ssa-dse.c: Include langhooks.h
1215 (execute_simple_dse): Remove stores with zero size.
1217 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1220 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1223 2009-01-24 Julian Brown <julian@codesourcery.com>
1225 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1226 config/arm/linux-atomic.c.
1227 * config/arm/linux-atomic.c: New.
1229 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1231 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1232 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1233 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1235 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1238 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1241 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1243 PR tree-optimization/38953
1244 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1245 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1246 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1247 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1250 2009-01-24 Paul Brook <paul@codesourcery.com>
1252 * config/arm/neon.md (neon_type): Move to arm.md.
1253 (neon_mov<VSTRUCT>): Add neon_type attribute.
1254 * config/arm/arm.md (neon_type): Move to here.
1255 (conds): Add "unconditioal" and use as default for NEON insns.
1257 2009-01-24 Ben Elliston <bje@au.ibm.com>
1259 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1260 void *' warning from -Wc++-compat.
1261 * Makefile.in (dominance.o-warn): Remove.
1263 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1265 PR tree-optimization/38932
1266 * fold-const.c (fold_unary_ignore_overflow): New.
1267 * tree.h (fold_unary_ignore_overflow): Declare.
1268 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1269 * tree-ssa-sccvn.c (visit_reference_op_load,
1270 simplify_unary_expression): Likewise.
1272 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1274 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1275 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1276 regardless of their type.
1277 * c-common.c (handle_packed_attribute): Don't ignore packed on
1279 * c.opt (Wpacked-bitfield-compat): New warning option.
1280 * stor-layout.c (place_field): Warn if offset of a field changed.
1281 * doc/extend.texi (packed): Mention the ABI change.
1282 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1283 (Warning Options): Add it to the list.
1285 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1287 * c-opts.c (c_common_post_options): Fix a typo in comments.
1289 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1292 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1293 variables to static.
1294 * doc/invoke.texi (-fmerge-all-constants): Update description.
1296 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1299 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1300 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1302 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1304 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1306 (LOCAL_ALIGNMENT): Similarly.
1308 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1309 Joseph Myers <joseph@codesourcery.com>
1311 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1312 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1313 * config/arm/arm-tune.md: Regenerate.
1314 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1317 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1319 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1320 version number to five.
1322 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1325 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1326 * c-common.c (set_underlying_type): Likewise.
1327 (is_typedef_decl ): Likewise
1329 (set_underlying_type): Likewise.
1330 (is_typedef_type): Likewise.
1332 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1335 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1338 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1341 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1342 (LIBGCC_SPEC): Don't define.
1343 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1345 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1347 PR rtl-optimization/38879
1348 * alias.c (base_alias_check): Unaligned access via AND address can
1349 alias all surrounding object types except those with sizes equal
1350 or wider than the size of unaligned access.
1352 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1355 * c-decl.c: (clone_underlying_type): Move this ...
1356 * c-common.c (set_underlying_type): ... here.
1357 Also, make sure the function properly sets TYPE_STUB_DECL() on
1358 the newly created typedef variant type.
1359 (is_typedef_decl ): New entry point.
1360 * tree.h: Added a new member member_types_needing_access_check to
1361 struct tree_decl_non_common.
1362 (set_underlying_type): New entry point.
1363 (is_typedef_type): Likewise.
1365 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1367 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1368 Check whether two instructions have memory references that
1369 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1370 are helper functions for traversing.
1371 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1372 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1373 not to draw dependency edge for instructions with non-conflicting
1376 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1379 * longlong.h: Update copyright years. Use soft-fp license notice.
1380 Sync __clz_tab declaration with glibc.
1382 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1385 * doc/extend.texi (syscall_linkage): New.
1386 (version_id): Modify.
1388 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1389 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/38747
1392 PR tree-optimization/38748
1393 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1394 conversion if the base address is an indirect reference and the
1395 aliasing sets could cause issues.
1397 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1399 * common.opt (fgraphite, fgraphite-identity): Add comment for
1400 explaining why these options are not documented.
1402 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1404 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1405 gimple_call_lhs is NULL.
1407 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1410 * emit-rtl.c (adjust_address_1): Make sure memref is never
1413 2009-01-20 Ben Elliston <bje@au.ibm.com>
1415 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1416 const qualifier from arg parameter. Remove unnecessary cast to char *.
1417 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1418 const qualifier from arg 2.
1420 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1422 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1424 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1427 * rtl.h (reinit_regs): New prototype.
1428 * regclass.c: Include ira.h.
1430 * Makefile.in (regclass.o): Add ira.h.
1431 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1433 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1436 * c-common.c (handle_aligned_attribute): Use
1437 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1438 default alignment value.
1440 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1442 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1443 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1445 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1446 __BIGGEST_ALIGNMENT__.
1448 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1450 2009-01-18 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/38819
1453 * tree-flow.h (operation_could_trap_helper_p): Declare.
1454 * tree-eh.c (operation_could_trap_helper_p): Export.
1455 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1456 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1457 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1458 are about to insert a possibly trapping instruction and fail
1461 2009-01-18 Andreas Schwab <schwab@suse.de>
1463 * doc/install.texi (Configuration): Remove obsolete paragraph
1464 about use of --with-gnu-ld with --with-gnu-as.
1466 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1468 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1469 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1470 Follow spelling conventions.
1472 2009-01-18 Ben Elliston <bje@au.ibm.com>
1474 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1475 C++ warning about implicit conversion from void * to struct
1477 (bitmap_obstack_free): Likewise for bitmap_element *.
1478 * Makefile.in (bitmap.o-warn): Remove.
1480 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1482 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1484 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1485 Tobias Grosser <tobi.grosser@amd.com>
1487 * graphite.c (graphite_trans_scop_block): Do not block single
1490 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1492 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1493 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1494 test with assertion.
1496 2009-01-16 Richard Guenther <rguenther@suse.de>
1498 PR tree-optimization/38835
1500 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1501 and INT + PTR -> (INT)(PTR p+ INT) folding.
1502 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1504 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1507 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1508 the subreg from a lowpart subreg if it is also casting the value.
1510 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1511 Tobias Grosser <tobi.grosser@amd.com>
1513 * graphite.c (compare_prefix_loops): New.
1514 (build_scop_canonical_schedules): Rewritten.
1515 (graphite_transform_loops): Move build_scop_canonical_schedules
1516 after build_scop_iteration_domain.
1518 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1519 Tobias Grosser <tobi.grosser@amd.com>
1521 * graphite.c (add_conditions_to_domain): Add the loops to
1522 the dimension of the iteration domain. Do copy the domain
1523 only when it exists.
1524 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1525 (add_conditions_to_constraints): New.
1526 (can_generate_code_stmt, can_generate_code): Removed.
1527 (gloog): Do not call can_generate_code.
1528 (graphite_transform_loops): Call add_conditions_to_constraints
1529 after building the iteration domain.
1531 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1533 PR tree-optimization/38789
1534 * tree-ssa-threadedge.c
1535 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1536 __builtin_constant_p.
1538 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1540 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1541 examined before deleting them.
1543 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1545 * function.c (aggregate_value_p): Correctly extract the function
1546 type from CALL_EXPR_FN lookup.
1548 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1550 * config/picochip/picochip.c (picochip_override_options): Revert
1551 CFI asm flag disable commited previously.
1553 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1554 Tobias Grosser <tobi.grosser@amd.com>
1555 Jan Sjodin <jan.sjodin@amd.com>
1557 * graphite.c (scan_tree_for_params): On substractions negate
1558 all the coefficients of the term.
1559 (clast_to_gcc_expression_red): New. Handle reduction expressions
1560 of more than two operands.
1561 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1562 (get_vdef_before_scop): Handle also the case of default definitions.
1564 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1566 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1567 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1568 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1570 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1571 Joey Ye <joey.ye@intel.com>
1574 * cfgexpand.c (expand_stack_alignment): Don't update stack
1575 boundary nor check incoming stack boundary here.
1576 (gimple_expand_cfg): Update stack boundary and check incoming
1577 stack boundary here.
1579 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1581 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1583 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1585 PR rtl-optimization/38245
1586 * calls.c (expand_call): Add stack arguments to
1587 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1588 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1589 in regs and partially in memory or BLKmode arguments.
1590 (emit_library_call_value_1): Add stack arguments to
1591 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1592 ACCUMULATE_OUTGOING_ARGS).
1593 * dce.c: Include tm_p.h.
1594 (find_call_stack_args): New function.
1595 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1597 (mark_insn): Call find_call_stack_args for CALL_Ps.
1598 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1599 forwards. Allocate and free arg_stores bitmap if needed, pass it
1600 down to deletable_insn_p, don't mark stores set in arg_stores
1601 bitmap, clear the bitmap at the beginning of each bb.
1602 * Makefile.in (dce.o): Depend on $(TM_P_H).
1604 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1607 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1608 to make sure the insn is a conditional test (bug 22599). Reformat a
1611 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1614 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1615 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1616 (gloog): Do not call cleanup_tree_cfg.
1617 (graphite_transform_loops): Call cleanup_tree_cfg after all
1618 scops have been code generated.
1620 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1621 * doc/gty.texi (Invoking the garbage collector): Added new node
1622 and section documenting ggc_collect.
1624 2009-01-14 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/38826
1628 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1629 initialization notes only if we actually emitted a warning.
1630 (intra_create_variable_infos): Add constraints for a result decl
1631 that is passed by hidden reference.
1632 (build_pred_graph): Mark all related variables non-direct on
1635 2009-01-14 Nick Clifton <nickc@redhat.com>
1637 * ira-conflicts.c: Include addresses.h for the definition of
1639 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1640 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1642 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1645 * Makefile.in (ira-lives.o): Add except.h.
1647 * ira-lives.c: Include except.h.
1648 (process_bb_node_lives): Process can_throw_internal.
1650 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1652 PR rtl-optimization/38774
1653 * combine.c (simplify_set): When undoing cc_use change, don't do
1654 PUT_CODE on the newly created comparison, but instead put back the
1657 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1659 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1660 values. Remove duplicate arm8 entry.
1662 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1664 PR tree-optimization/38786
1665 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1666 the SSA_NAME case of expand_scalar_variables_expr.
1667 Set the type of an expression to the type of its assign statement.
1668 (expand_scalar_variables_expr): Also gather the scalar computation
1669 used to index the memory access. Do not pass loop_p.
1670 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1671 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1672 the gimple_stmt_iterator where it inserts new code.
1674 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1675 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1677 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1679 * graphite.h (debug_value): Removed.
1680 * graphite.c (debug_value): Removed.
1682 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1684 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1685 ldrd/strd with two 32-bit instructions.
1687 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1689 * config/arm/arm.c (struct processors): Pass for speed down into
1690 cost helper functions.
1691 (const_ok_for_op): Handle COMPARE and inequality nodes.
1692 (arm_rtx_costs_1): Rewrite.
1693 (arm_size_rtx_costs): Update prototype.
1694 (arm_rtx_costs): Pass speed down to helper functions.
1695 (arm_slowmul_rtx_costs): Rework cost calculations.
1696 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1697 (arm_9e_rtx_costs): Likewise.
1699 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1701 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1702 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1703 (alpha_legitimize_address): Do not split local symbols wider than
1704 UNITS_PER_WORD into HIGH/LO_SUM parts.
1706 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1709 * gcc.c (process_command): Replace call to execvp with calls
1710 to pex_one and exit.
1712 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1715 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1716 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1717 variant for devices with 3-byte PC.
1718 (__tablejump_elpm__) : New.
1720 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1723 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1724 offsetof member-designator, handle it as `[0].'.
1726 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1728 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1729 function when not using named sections on targets with named sections
1730 if branch distance is less than 262132.
1732 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1734 * combine.c (combine_instructions): Recompute
1735 optimize_this_for_speed_p for each BB in the main combine loop.
1737 2009-01-12 Tomas Bily <tbily@suse.cz>
1740 * tree-loop-distribution.c (prop_phis): New function.
1741 (generate_builtin): Call prop_phis.
1742 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1744 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1746 PR tree-optimization/38807
1747 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1748 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1750 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1752 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1753 subreg of op0 to the original op0.
1755 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1757 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1759 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1762 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1763 starting with digits.
1765 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1768 * config/arm/arm.c (arm_is_long_call_p): Don't call
1769 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1771 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1773 * regrename.c (regrename_optimize): Fix dumping.
1774 (find_oldest_value_reg): Preserve REG_POINTER.
1775 (copy_hardreg_forward_1): Likewise.
1777 2009-01-09 Diego Novillo <dnovillo@google.com>
1779 * gimple.h (struct gimple_statement_base) <uid>: Document
1780 the restrictions on its use.
1782 (gimple_set_uid): Tidy.
1784 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1786 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1787 zero guard even if align_bytes != 0 and count is smaller than
1790 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1792 PR rtl-optimization/38495
1793 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1794 (add_range_and_copies_from_move_list): Print all added ranges.
1795 Add ranges to memory optimized destination.
1797 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1801 * config/i386/i386.c (override_options): Reject
1802 -mstringop-strategy=rep_8byte with -m32.
1803 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1804 to 1. Do count comparison against epilogue_size_needed at compile
1805 time even when count_exp was constant forced into register. For
1806 size_needed don't jump to epilogue, instead just avoid aligning
1807 and invoke the body algorithm. If need_zero_guard, add zero guard
1808 even if count is non-zero, but smaller than size_needed + number of
1809 bytes that could be stored for alignment.
1810 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1811 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1812 but smaller than size_needed + number of bytes that could be stored
1813 for alignment. Compare size_needed with epilogue_size_needed instead
1814 of desired_align - align, don't adjust size_needed, pass
1815 epilogue_size_needed to the epilogue expanders.
1818 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1820 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1822 * pa.c (last_address): Change to unsigned.
1823 (update_total_code_bytes): Change argument to unsigned. Don't
1824 check if insn addresses are set.
1825 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1826 addresses are not set.
1827 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1829 2009-01-09 Nick Clifton <nickc@redhat.com>
1831 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1832 DECL_DECLARED_INLINE_P.
1834 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1837 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1838 GET_MODE (op0) in operand_subword_force calls.
1841 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1842 fold_convert arg0 operands to TREE_TYPE (op0) first.
1844 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1846 * params.def (ira-max-conflict-table-size): Decrease default value
1849 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1851 PR tree-optimization/37031
1852 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1854 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1855 allocate it using gc instead of heap, use VEC_quick_push instead of
1857 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1858 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1859 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1860 allocated vector from heap allocated.
1861 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1862 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1863 vector only after perfect_loop_nest_depth call.
1865 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1866 Jan Sjodin <jan.sjodin@amd.com>
1868 PR tree-optimization/38559
1869 * graphite.c (debug_value, copy_constraint,
1870 swap_constraint_variables, scale_constraint_variable, ): New.
1871 (get_lower_bound, get_upper_bound): Removed.
1872 (graphite_trans_bb_strip_mine): Clean up this code that works
1873 only for constant number of iterations. Fully copy upper and
1874 lower bound constraints, not only the constant part of them.
1875 * graphite.h (debug_value): Declared.
1877 2009-01-08 Ira Rosen <irar@il.ibm.com>
1879 PR tree-optimization/37194
1880 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1881 Don't add the cost of cost model guard in prologue to scalar
1882 outside cost in case of known number of iterations.
1884 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1885 Alan Modra <amodra@bigpond.net.au>
1887 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1888 non-word-aligned REG+CONST addressing.
1890 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1893 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1894 free_after_compilation when outputting a thunk.
1895 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1896 Do not call free_after_compilation here.
1898 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1900 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1901 (ix86_valid_target_attribute_inner_p): Ditto.
1903 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1905 PR tree-optimization/38492
1906 PR tree-optimization/38498
1907 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1908 * tree-chrec.h (scev_is_linear_expression): Declared.
1909 * graphite.c (graphite_cannot_represent_loop_niter): New.
1910 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1911 (graphite_loop_normal_form): Use gcc_assert.
1912 (scan_tree_for_params): Use CASE_CONVERT.
1913 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1914 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1915 Use gcc_assert. Discard scops that contain unhandled cases.
1916 (build_scop_conditions): Return a boolean status for unhandled cases.
1917 (strip_mine_profitable_p): Print the loop number, not its depth.
1918 (is_interchange_valid): Pass the depth of the loop nest, don't
1919 recompute it wrongly.
1920 (graphite_trans_bb_block): Same.
1921 (graphite_trans_bb_block): Print tentative of loop blocking.
1922 (graphite_trans_scop_block): Do not print that the loop has been
1924 (graphite_transform_loops): Do not handle scops that contain condition
1927 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1929 AVX Programming Reference (December, 2008)
1930 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1931 (_mm256_stream_pd): Likewise.
1932 (_mm256_stream_ps): Likewise.
1934 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1935 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1936 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1937 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1938 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1939 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1940 (ix86_expand_special_args_builtin): Likewise.
1942 * config/i386/sse.md (AVXMODEDI): New.
1943 (avx_movnt<mode>): Likewise.
1944 (avx_movnt<mode>): Likewise.
1945 (<sse>_movnt<mode>): Remove AVX support.
1946 (sse2_movntv2di): Likewise.
1948 2009-01-07 Richard Guenther <rguenther@suse.de>
1951 * fold-const.c (extract_muldiv): Remove obsolete comment.
1952 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1953 to PLUS_EXPR canonicalization for the canonicalization.
1955 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1957 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1958 hosted cross-compilers generating less efficient code.
1960 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1962 * function.h (rtl_data): Add a dbr_scheduled_p field.
1963 * reorg.c (dbr_schedule): Set it.
1964 (gate_handle_delay_slots): Check it.
1965 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1966 (mips_reorg): Check flag_delayed_branch instead of
1967 mips_base_delayed_branch.
1968 (mips_override_options): Don't set mips_base_delayed_branch
1969 or flag_delayed_branch.
1971 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1973 PR rtl-optimization/38426.
1974 * ira.c (ira): Set current_function_is_leaf earlier.
1976 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1978 PR rtl-optimization/38722
1979 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1980 too early, only set a flag and modify after last possible
1983 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1986 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1987 * real.c (decimal_single_format): Correct values of emin and emax.
1988 (decimal_double_format): Ditto.
1989 (decimal_quad_format): Ditto.
1990 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1991 computation of DECnn_MIN and DECnn_MAX for corrected values of
1992 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1993 __DECnn_MIN__, and adjust its computation for the corrected value
1996 2009-01-06 Jan Hubicka <jh@suse.cz>
1999 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2001 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2003 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2004 Add Robert Clark to the list of testers.
2006 2009-01-06 Jan Hubicka <jh@suse.cz>
2007 Kai Tietz <kai.tietz@onevision.com>
2009 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2010 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2012 2009-01-06 Jan Hubicka <jh@suse.cz>
2013 Kai Tietz <kai.tietz@onevision.com>
2015 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2017 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2018 (ix86_nsaved_regs): Count only general purpose regs.
2019 (ix86_nsaved_sseregs): New.
2020 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2021 to 16 for w64; compute padding and size of sse reg save area.
2022 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2023 general purpose regs.
2024 (ix86_emit_save_sse_regs_using_mov): New.
2025 (ix86_expand_prologue): Save SSE regs if needed.
2026 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2027 (ix86_emit_restore_sse_regs_using_mov): New.
2028 (ix86_expand_epilogue): Save SSE regs if needed.
2030 2009-01-06 Jan Hubicka <jh@suse.cz>
2031 Kai Tietz <kai.tietz@onevision.com>
2033 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2034 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2035 functions when accumulate outgoing args is off.
2037 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2040 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2041 before using pseudos_have_intersected_live_ranges_p.
2043 * ira-int.h (ira_assert): Always define.
2045 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2047 AVX Programming Reference (December, 2008)
2048 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2049 (_mm256_permute2_pd): Likewise.
2050 (_mm_permute2_ps): Likewise.
2051 (_mm256_permute2_ps): Likewise.
2052 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2053 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2055 * config/i386/i386.c (ix86_builtins): Remove
2056 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2057 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2058 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2059 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2060 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2061 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2062 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2063 __builtin_ia32_vpermil2ps256.
2064 (ix86_init_mmx_sse_builtins): Updated.
2065 (ix86_expand_args_builtin): Likewise.
2067 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2069 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2070 long absolute calls when generating PA 2.0 code.
2072 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2074 PR rtl-optimization/38583
2075 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2077 * params.def (ira-max-conflict-table-size): New.
2079 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2081 * ira.h (ira_conflicts_p): New external definition.
2083 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2084 table. Report this. Return result of building.
2085 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2086 building conflict table.
2088 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2089 (ira_color): Use ira_conflicts_p.
2091 * global.c: Include ira.h.
2092 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2095 * Makefile.in (global.o): Add ira.h.
2097 * ira-build.c (mark_all_loops_for_removal,
2098 propagate_some_info_from_allocno): New.
2099 (remove_unnecessary_allocnos): Call
2100 propagate_some_info_from_allocno.
2101 (remove_low_level_allocnos): New.
2102 (remove_unnecessary_regions): Add parameter. Call
2103 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2104 parameter to remove_unnecessary_regions.
2105 (ira_build): Remove all regions but root if the conflict table was
2106 not built. Update conflict hard regs for allocnos crossing calls.
2108 * ira.c (ira_conflicts_p): New global.
2109 (ira): Define and use ira_conflicts_p.
2111 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2112 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2113 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2115 2009-01-06 Ben Elliston <bje@au.ibm.com>
2117 * gengtype-lex.l (YY_NO_INPUT): Define.
2119 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2122 * c-common.c (handle_vector_size_attribute): Also reject
2125 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2127 PR tree-optimization/38492
2128 * graphite.c (rename_map_elt, debug_rename_elt,
2129 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2130 rename_map_elt_info, eq_rename_map_elts,
2131 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2132 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2133 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2134 (sese_build_livein_liveouts): New.
2135 (new_sese, free_sese): New.
2136 (new_scop): Call new_sese.
2137 (free_scop): Call free_sese.
2138 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2139 (register_old_new_names): Renamed register_old_and_new_names.
2140 (register_scop_liveout_renames, add_loop_exit_phis,
2141 insert_loop_close_phis, struct igp,
2142 default_liveout_before_guard, add_guard_exit_phis,
2143 insert_guard_phis, copy_renames): New.
2144 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2145 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2146 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2147 (scop_adjust_phis_for_liveouts): New.
2148 (gloog): Call scop_adjust_phis_for_liveouts.
2150 * graphite.h (struct sese): Documented. Added fields liveout,
2152 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2153 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2154 (struct scop): Added field liveout_renames.
2155 (SCOP_LIVEOUT_RENAMES): New.
2157 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2159 PR tree-optimization/38510
2160 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2161 (translate_clast): Call recompute_all_dominators before
2163 (gloog): Call recompute_all_dominators before graphite_verify.
2165 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2166 Jan Sjodin <jan.sjodin@amd.com>
2168 PR tree-optimization/38500
2169 * graphite.c (create_sese_edges): Call fix_loop_structure after
2172 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2174 * config.gcc: Add m32r*-*-rtems*.
2175 * config/m32r/rtems.h: New file.
2177 2009-01-05 Ben Elliston <bje@au.ibm.com>
2179 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2180 (.po.pox): Likewise.
2181 (po/gcc.pot): Likewise.
2183 2009-01-04 David S. Miller <davem@davemloft.net>
2185 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2186 (STARTING_FRAME_OFFSET): Always set to zero.
2188 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2190 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2191 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2192 fixed-point types, and vectors of the same.
2194 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2196 * config/mips/sync.md (*mb_barrier): Rename to...
2197 (*memory_barrier): ...this.
2199 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2201 * doc/extend.texi (Function Attributes): Move @cindex after @item
2202 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2203 and put in alphabetical order. Fix 'target' name and put in order.
2204 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2207 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2209 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2210 (memory_barrier): Expand as unspec instead of unspec_volatile.
2211 Remove mem:BLK from insn operands. Use Pmode scratch register.
2212 (*memory_barrier): Define as unspec instead of unspec_volatile.
2213 Use (match_dup 0) as input operand.
2215 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2216 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2217 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2218 scratch register. Remove operand 1.
2219 (*stbar): Define as unspec instead of unspec_volatile.
2220 Use (match_dup 0) as input operand, remove (const_int 8).
2221 (*membar): Define as unspec instead of unspec_volatile.
2222 Use (match_dup 0) as input operand, remove input operand 2.
2224 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2225 (memory_barrier): Expand as unspec instead of unspec_volatile.
2226 Remove mem:BLK from insn operands. Use Pmode scratch register.
2227 (*memory_barrier): Define as unspec instead of unspec_volatile.
2228 Use (match_dup 0) as input operand.
2230 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2231 Remove mem:BLK from insn operands. Use Pmode scratch register.
2232 Set volatile flag on operand 0.
2233 (*memory_barrier): New insn pattern.
2235 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2237 (*memory_barrier): Use (match_dup 0) as input operand.
2239 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2240 Remove mem:BLK from insn operands. Use Pmode scratch register.
2241 Set volatile flag on operand 0.
2242 (*mb_internal): New insn pattern.
2244 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2246 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2249 * function.c (struct temp_slot): Move to the section of the file
2250 that deals with temp slots. Remove field 'address'.
2251 (temp_slot_address_table): New hash table of address -> temp slot.
2252 (struct temp_slot_address_entry): New struct, items for the table.
2253 (temp_slot_address_compute_hash, temp_slot_address_hash,
2254 temp_slot_address_eq, insert_temp_slot_address): Support functions
2256 (find_temp_slot_from_address): Rewrite to use the new hash table.
2257 (remove_unused_temp_slot_addresses): Remove addresses of temp
2258 slots that have been made available.
2259 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2260 worker function for remove_unused_temp_slot_addresses.
2261 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2262 Add the temp slot address to the address -> temp slot map.
2263 (update_temp_slot_address): Update via insert_temp_slot_address.
2264 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2265 (pop_temp_slots): Likewise.
2266 (init_temp_slots): Allocate the address -> temp slot map, or empty
2267 the map if it is already allocated.
2268 (prepare_function_start): Initialize temp slot processing.
2270 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2273 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2274 Calculate the size of all stack vars assuming no packing of stack
2275 vars will happen, replacing a quadratic algorithm with a linear one.
2277 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2280 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2283 2009-01-03 Diego Novillo <dnovillo@google.com>
2285 * doc/contrib.texi: Update contributions.
2287 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2290 * builtins.c (fold_builtin_memory_op): Give up if either operand
2291 is volatile. Set srctype or desttype to non-qualified version
2295 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2298 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2300 PR rtl-optimization/35805
2301 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2302 problem if fast dce is able to remove any instructions.
2303 * dce.c (dce_process_block): Fix dump message.
2305 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2308 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2310 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2313 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2314 * tree-pretty-print.c (op_code_prio): New function.
2315 (op_prio): No longer static. Use op_code_prio.
2316 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2317 Use op_prio and op_code_prio to determine if () should be
2318 printed around operand(s) or not.
2320 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2321 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2322 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2323 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2324 pp_character instead of pp_string for single letter printing.
2326 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2328 * doc/extend.texi: Fix '#pragma GCC option' typo.
2330 2009-01-02 Richard Guenther <rguenther@suse.de>
2332 * doc/install.texi (--enable-checking): Mention different
2334 (--enable-stage1-checking): Document.
2336 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2339 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2340 case to be an error.
2342 2009-01-02 Ben Elliston <bje@au.ibm.com>
2344 * config/fp-bit.h (pack_d): Constify argument.
2345 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2346 (isnan): Constify argument.
2350 (_fpadd_parts): Constify return type.
2351 (_fpmul_parts): Likewise.
2352 (_fpdiv_parts): Likewise.
2354 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2357 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2358 warn about overwriting initializer with side-effects or
2359 -Woverride-init if !IMPLICIT.
2360 (output_init_element): Likewise. Pass IMPLICIT down to
2362 (process_init_element): Add IMPLICIT argument. Pass it down
2363 to output_init_element.
2364 (push_init_element, pop_init_level, set_designator): Adjust
2365 process_init_element callers.
2366 (set_nonincremental_init, set_nonincremental_init_from_string):
2367 Adjust add_pending_init callers.
2368 (output_pending_init_elements): Adjust output_init_element callers.
2369 * c-tree.h (process_init_element): Adjust prototype.
2370 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2371 process_init_element callers.