1 2009-02-23 Jan Hubicka <jh@suse.cz>
4 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
6 2009-02-23 Jan Hubicka <jh@suse.cz>
8 PR tree-optimization/37709
9 * tree.c (block_ultimate_origin): Move here from dwarf2out.
10 * tree.h (block_ultimate_origin): Declare.
11 * dwarf2out.c (block_ultimate_origin): Move to tree.c
12 * tree-ssa-live.c (remove_unused_scope_block_p):
13 Eliminate blocks containig no instructions nor live variables nor
15 (dump_scope_block): New function.
16 (remove_unused_locals): Enable removal of dead blocks by default;
17 enable dumping at TDF_DETAILS.
19 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
21 * config/i386/i386.c (classify_argument): Don't allow COImode
23 (function_arg_advance_32): Don't allow OImode.
24 (function_arg_32): Likewise.
25 (function_value_32): Likewise.
26 (return_in_memory_32): Likewise.
27 (function_arg_64): Remove OImode comment.
29 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
32 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
33 ix86_expand_vector_set for V4DImode in 64bit mode only.
34 (ix86_expand_vector_init_one_var): Likewise.
36 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
38 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
40 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
43 * loop-iv.c: Revert last change.
44 * emit-rtl.c: Likewise.
46 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
49 * config/i386/i386.c (type_natural_mode): Remove an extra
50 space in the warning message.
51 (function_value_32): Handle 32-byte vector modes.
52 (return_in_memory_32): Likewise.
54 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
56 * loop-iv.c (truncate_value): New function.
57 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
59 (lowpart_subreg): Move to...
60 * emit-rtl.c: ...here.
62 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
64 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
65 accidental and undocumented change at revision 140860.
67 2009-02-21 Joseph Myers <joseph@codesourcery.com>
69 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
70 take gimple_seq * arguments.
71 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
72 types_compatible_p langhook.
74 2009-02-20 Mark Mitchell <mark@codesourcery.com>
75 Joseph Myers <joseph@codesourcery.com>
77 * config/arm/arm.c (arm_builtin_va_list): New function.
78 (arm_expand_builtin_va_start): Likewise.
79 (arm_gimplify_va_arg_expr): Likewise.
80 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
81 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
82 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
83 (va_list_type): New variable.
84 (arm_mangle_type): Mangle va_list_type appropriately.
86 2009-02-20 Jakub Jelinek <jakub@redhat.com>
89 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
90 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
91 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
92 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
93 parameter to 1000 for -O1 by default.
94 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
96 * loop-invariant.c: Include params.h.
97 (move_loop_invariants): Don't call move_single_loop_invariants on
100 2009-02-20 Jaka Mocnik <jaka@xlab.si>
102 * calls.c (emit_library_call_value_1): Use slot_offset instead of
103 offset when calculating bounds for indexing stack_usage_map. Fixes
104 a buffer overflow with certain target setups.
106 2009-02-20 Jakub Jelinek <jakub@redhat.com>
109 * calls.c (expand_call): Clear try_tail_call if caller and callee
110 disagree in promotion of function return value.
112 2009-02-19 Jakub Jelinek <jakub@redhat.com>
115 * c-common.c (c_determine_visibility): If visibility changed and
116 DECL_RTL has been already set, call make_decl_rtl to update symbol
119 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
122 * varasm.c (assemble_variable): Don't check DECL_NAME when
123 globalizing a variable.
125 2009-02-19 Joseph Myers <joseph@codesourcery.com>
128 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
129 expression before any __builtin_trap call.
130 * c-typeck.c (build_function_call): Convert and check function
131 arguments before generating a call to a trap. Evaluate the
132 function arguments before the trap.
134 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
137 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
138 (UNSPEC_FXAM_MEM): New unspec.
139 (fxam<mode>2_i387_with_temp): New insn and split pattern.
140 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
141 memory using fxam<mode>2_i387_with_temp to remove excess precision.
143 2009-02-19 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/39207
146 PR tree-optimization/39074
147 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
148 storedanything_tree): New.
149 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
150 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
151 (build_succ_graph): Add edges from STOREDANYTHING to all
153 (init_base_vars): Initialize STOREDANYTHING.
154 (compute_points_to_sets): Free substitution info after
155 building the succ graph.
156 (ipa_pta_execute): Likewise.
158 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
160 (do_ds_constraint): Do not add to special var or non-pointer
162 (type_could_have_pointers): Split out from ...
163 (could_have_pointers): ... here. For arrays use the element type.
164 (create_variable_info_for): Initialize may_have_pointers.
165 (new_var_info): Likewise.
166 (handle_lhs_call): Make the HEAP variable unknown-sized.
167 (intra_create_variable_infos): Use a type with pointers for
168 PARM_NOALIAS, make it unknown-sized.
170 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
173 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
175 2009-02-18 Jason Merrill <jason@redhat.com>
178 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
179 value if DECL_EXTERNAL.
180 * tree-sra.c (sra_walk_gimple_assign): Likewise.
181 * target.h (gcc_target::binds_local_p): Clarify "module".
182 * tree.h (TREE_PUBLIC): Clarify "module".
184 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
187 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
188 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
190 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
193 * c.opt (Wabi): Support C and ObjC.
196 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
198 * config/i386/i386.c (classify_argument): Warn once about the ABI
199 change when passing union with long double.
201 * doc/invoke.texi: Update -Wabi for warning psABI changes.
203 2009-02-18 Joseph Myers <joseph@codesourcery.com>
206 * c-parser.c (c_parser_compound_statement): Always enter and leave
209 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
212 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
214 2009-02-18 Jakub Jelinek <jakub@redhat.com>
216 PR tree-optimization/36922
217 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
218 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
221 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
223 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
226 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
228 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
230 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
232 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
235 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
236 Richard Sandiford <rdsandiford@googlemail.com>
238 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
239 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
240 (loongson_biadd): ...this.
242 2009-02-17 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/39202
245 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
246 a var make sure to follow existing collapses.
248 2009-02-17 Richard Guenther <rguenther@suse.de>
251 * langhooks.c (lhd_print_error_function): Check for NULL block.
253 2009-02-17 Richard Guenther <rguenther@suse.de>
255 PR tree-optimization/39204
256 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
259 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
261 * config/soft-fp/double.h: Update from glibc CVS.
263 2009-02-17 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/39207
266 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
267 strict-aliasing warnings for pointers pointing to NULL.
269 2009-02-16 Joseph Myers <joseph@codesourcery.com>
272 * c-parser.c (c_parser_braced_init): Call pop_init_level when
273 skipping until next close brace.
275 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
278 * config/i386/i386.c (ix86_expand_push): Set memory alignment
279 to function argument boundary.
281 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
283 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
284 in the lea_add. Reload eventually constraints it properly.
285 * config/picochip/constraints.md : Remove the target constraint
286 "b", since it is not needed anymore.
288 2009-02-16 Jakub Jelinek <jakub@redhat.com>
290 * gthr-dce.h: Uglify function parameter and local variable names.
291 * gthr-gnat.h: Likewise.
292 * gthr-mipssde.h: Likewise.
293 * gthr-nks.h: Likewise.
294 * gthr-posix95.h: Likewise.
295 * gthr-posix.h: Likewise.
296 * gthr-rtems.h: Likewise.
297 * gthr-single.h: Likewise.
298 * gthr-solaris.h: Likewise.
299 * gthr-tpf.h: Likewise.
300 * gthr-vxworks.h: Likewise.
301 * gthr-win32.h: Likewise.
303 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
306 * config/i386/i386.md: Restrict the new peephole2 to move
307 between MMX/SSE registers.
309 2009-02-15 Richard Guenther <rguenther@suse.de>
312 2009-02-13 Richard Guenther <rguenther@suse.de>
314 * configure.ac: Enable LFS.
315 * configure: Re-generate.
316 * config.in: Likewise.
318 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
320 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
321 spu_srqwbyte, spu_srqwbytebc): Define.
322 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
323 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
324 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
325 "shrqby_<mode>"): New insn-and-split patterns.
326 * config/spu/spu.c (expand_builtin_args): Determine and return
327 number of operands using spu_builtin_description data.
328 (spu_expand_builtin_1): Use it.
330 2009-02-13 Steve Ellcey <sje@cup.hp.com>
333 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
336 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
339 * config/i386/i386.c (override_options): Correct warning
340 messages for -malign-loops, -malign-jumps and -malign-functions.
342 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
345 * config/i386/i386.md: Restrict the new peephole2 to move
346 between the general purpose registers.
348 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
351 * config/i386/i386.c (type_natural_mode): Add a new argument.
352 Return the original mode and warn ABI change if vector size is 32byte.
353 (function_arg_advance): Updated.
354 (function_arg): Likewise.
355 (ix86_function_value): Likewise.
356 (ix86_return_in_memory): Likewise.
357 (ix86_sol10_return_in_memory): Likewise.
358 (ix86_gimplify_va_arg): Likewise.
359 (function_arg_32): Don't warn ABX ABI change here.
360 (function_arg_64): Likewise.
362 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
364 * loop-iv.c (implies_p): In the final case, test that operands 0
365 of the two comparisons match.
367 * config/bfin/bfin.c (find_prev_insn_start): New function.
368 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
369 (find_next_insn_start): Move.
371 2009-02-13 Richard Guenther <rguenther@suse.de>
373 * configure.ac: Enable LFS.
374 * configure: Re-generate.
375 * config.in: Likewise.
377 2009-02-13 Joseph Myers <joseph@codesourcery.com>
380 * c-parser.c (c_parser_parms_list_declarator): Discard pending
381 sizes on syntax error after some arguments have been parsed.
383 2009-02-12 Jakub Jelinek <jakub@redhat.com>
385 * doc/invoke.texi (-fira): Remove.
387 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
389 * caller-save.c: Replace regclass.c with reginfo.c in comments.
393 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
395 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
396 (umul_ppmm): Likewise.
397 (count_leading_zeros): Likewise.
398 (count_trailing_zeros): Likewise.
399 (UMUL_TIME): Likewise.
401 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
403 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
404 soft-fp/t-softfp to tmake_file.
406 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
407 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
408 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
409 IA64_BUILTIN_INFQ]: New.
410 (ia64_init_builtins): Initialize __builtin_infq,
411 __builtin_fabsq and __builtin_copysignq if not HPUX.
412 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
413 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
415 * config/ia64/lib1funcs.asm (__divtf3): Define only if
417 (__fixtfti): Likewise.
418 (__fixunstfti): Likewise.
419 (__floattitf): Likewise.
421 * config/ia64/libgcc-glibc.ver: New.
422 * config/ia64/t-fprules-softfp: Likewise.
423 * config/ia64/sfp-machine.h: Likewise.
425 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
426 (LIBGCC2_TF_CEXT): Likewise.
428 (TARGET_INIT_LIBFUNCS): Likewise.
430 * config/ia64/t-glibc (SHLINB_MAPFILES):
431 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
433 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
435 * config/i386/i386.c (construct_container): Rewrite processing
436 BLKmode with X86_64_SSE_CLASS.
438 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
441 * config/i386/i386.md: Replace simplify_replace_rtx with
442 replace_rtx in the new peephole2.
444 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
446 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
447 loop unrolling do not happen at -O2.
449 2009-02-12 Michael Matz <matz@suse.de>
451 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
453 2009-02-12 Jakub Jelinek <jakub@redhat.com>
455 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
458 2009-02-12 Ben Elliston <bje@au.ibm.com>
460 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
461 patterns when updating the back chain. Missed in the 2009-02-10
464 2009-02-11 Janis Johnson <janis187@us.ibm.com>
466 * doc/extend.texi (Decimal Floating Types): Update identifier of
467 draft TR and list of missing support.
469 2009-02-11 Jakub Jelinek <jakub@redhat.com>
472 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
473 bit to variable length decl's flags, add it also to its
474 pointer replacement variable.
476 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
477 Jakub Jelinek <jakub@redhat.com>
480 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
481 (memory_blockage): New expander.
482 (*memory_blockage): New insn pattern.
483 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
484 instead of general blockage at the end of function prologue when
485 frame pointer is used to access red zone area. Do not emit blockage
486 when profiling, it is emitted in generic code.
487 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
488 function epilogue when frame pointer is used to access red zone area.
490 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
493 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
494 by arithmetic with memory operands.
495 * config/i386/predicates.md (commutative_operator): New.
497 2009-02-10 Janis Johnson <janis187@us.ibm.com>
499 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
502 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
504 * alias.h (record_alias_subset): Declare.
505 * alias.c (record_alias_subset): Make global.
507 2009-02-10 Nick Clifton <nickc@redhat.com>
509 * tree-parloops.c: Change license to GPLv3.
510 * ipa-struct-reorg.c: Change license to GPLv3.
511 * ipa-struct-reorg.h: Change license to GPLv3.
513 2009-02-10 Steve Ellcey <sje@cup.hp.com>
516 * c-decl.c (start_struct): Return NULL on error.
518 2009-02-10 Jakub Jelinek <jakub@redhat.com>
521 * cfgloopmanip.c (remove_path): Call remove_bbs after
522 cancel_loop_tree, not before it.
525 * function.h (struct function): Add has_local_explicit_reg_vars bit.
526 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
528 * tree-ssa-live.c (remove_unused_locals): Recompute
529 cfun->has_local_explicit_reg_vars.
530 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
531 copies or clearings if cfun->has_local_explicit_reg_vars.
533 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
536 * config/i386/i386.c (expand_prologue): Emit blockage at the end
537 of function prologue when frame pointer is used to access
540 2009-02-10 Richard Guenther <rguenther@suse.de>
543 * gimplify.c (gimple_regimplify_operands): Always look if
544 we need to create a temporary.
546 2009-02-10 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/39132
549 * tree-loop-distribution.c (todo): New global var.
550 (generate_memset_zero): Trigger TODO_rebuild_alias.
551 (tree_loop_distribution): Return todo.
553 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
556 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
557 (x86_64_reg_class_name): Removed.
558 (classify_argument): Return 0 if bytes > 32. Return 0 if the
559 first one isn't X86_64_SSE_CLASS or any other ones aren't
560 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
561 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
562 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
563 and 3 X86_64_SSEUP_CLASS.
564 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
565 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
567 2009-02-10 Ben Elliston <bje@au.ibm.com>
569 * config/rs6000/rs6000.md (allocate_stack): Always use an update
570 form instruction to update the stack back chain word, even if the
571 user has disabled the generation of update instructions.
572 (movdi_<mode>_update_stack): New.
573 (movsi_update_stack): Likewise.
574 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
575 always use an update form instruction to update the stack back
578 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
581 * graphite.c (if_region_set_false_region): After moving a region in
582 the false branch of a condition, remove the empty dummy basic block.
583 (gloog): Remove wrong fix for PR38953.
585 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
587 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
588 generation due to implicit sign extension.
590 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
593 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
594 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
596 2009-02-09 Richard Guenther <rguenther@suse.de>
599 * convert.c (convert_to_real): Disable (float)fn((double)x)
600 to fnf(x) conversion if errno differences may occur and
603 2009-02-07 Anatoly Sokolov <aesok@post.ru>
605 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
606 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
607 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
609 2009-02-06 Joseph Myers <joseph@codesourcery.com>
612 * c-common.c (handle_alias_attribute): Disallow attribute for
613 anything not a FUNCTION_DECL or VAR_DECL.
615 2009-02-06 Janis Johnson <janis187@us.ibm.com>
618 * real.c (do_compare): Special-case compare of zero against
621 2009-02-06 Joseph Myers <joseph@codesourcery.com>
624 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
625 as indicating flexible array members unless the field itself is
626 being declarared as the incomplete array.
628 2009-02-06 Jan Hubicka <jh@suse.cz>
630 PR tree-optimization/38844
631 * ipa-inline.c (try_inline): Stop inlining recursion when edge
634 2009-02-06 Richard Guenther <rguenther@suse.de>
637 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
638 fork because we may expand it as __gcov_fork.
640 2009-02-06 Nick Clifton <nickc@redhat.com>
642 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
644 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
646 PR tree-optimization/35659
647 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
648 vn_phi_eq): Shortcut if hashcode does not match.
649 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
651 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
652 and avoid iterative_hash_expr.
653 (FOR_EACH_VALUE_ID_IN_SET): New.
654 (value_id_compare): Remove.
655 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
656 sort expressions by value id.
658 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
661 * config/sh/predicates.md (general_movsrc_operand): Don't check
662 the subreg of system registers here.
664 2009-02-05 Jakub Jelinek <jakub@redhat.com>
667 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
670 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
672 PR rtl-optimization/39110
673 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
674 addresses, not aligned ones.
676 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
677 Richard Guenther <rguenther@suse.de>
679 PR tree-optimization/39100
680 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
681 comment says and add edges.
683 2009-02-05 Joseph Myers <joseph@codesourcery.com>
686 * c-common.c (handle_tls_model_attribute): Ignore attribute for
687 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
689 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
691 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
692 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
693 register_bb_in_sese, new_sese, free_sese): Moved.
694 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
695 outermost_loop_in_scop, build_scop_iteration_domain,
696 expand_scalar_variables_ssa_name, get_vdef_before_scop,
697 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
698 Use loop_in_sese_p instead of loop_in_scop_p.
699 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
700 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
701 (scopdet_basic_block_info): Fix bug in scop detection.
702 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
703 eq_loop_to_cloog_loop): Remove.
704 (nb_loops_around_loop_in_scop, nb_loop
705 ref_nb_loops): Moved here...
706 * graphite.h (ref_nb_loops): ... from here.
707 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
708 (loop_domain_dim, loop_iteration_vector_dim): Remove.
709 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
710 * testsuite/gcc.dg/graphite/scop-19.c: New
712 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
713 Hans-Peter Nilsson <hp@axis.com>
715 PR rtl-optimization/37889
716 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
717 Move offset handling from PLUS to before the switch. Use new
718 arguments when considering SYMBOL_REFs too.
719 (rtx_addr_can_trap_p): Pass dummy offset and size.
720 (enum may_trap_p_flags): Remove.
721 (may_trap_p_1): Pass size from MEM_SIZE.
723 PR rtl-optimization/38921
724 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
725 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
726 * rtlanal.c (may_trap_after_code_motion_p): Delete.
727 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
729 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
731 AVX Programming Reference (January, 2009)
732 * config/i386/sse.md (*vpclmulqdq): New.
734 2009-02-04 Jakub Jelinek <jakub@redhat.com>
736 PR tree-optimization/38977
737 PR gcov-profile/38292
738 * calls.c (special_function_p): Disregard __builtin_ prefix.
740 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
742 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
743 non-indexable addresses even before reload.
745 2009-02-03 Joseph Myers <joseph@codesourcery.com>
748 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
749 as having variable size. Do not give an error for unnamed
750 parameters with [*] declarators. Give a warning for type names
751 with [*] declarators and mark them as variable size.
752 * c-parser.c (c_parser_sizeof_expression): Do not give an error
753 for sizeof applied to [*] type names.
755 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
758 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
760 2009-02-03 Jakub Jelinek <jakub@redhat.com>
762 * gcc.c (process_command): Update copyright notice dates.
763 * gcov.c (print_version): Likewise.
764 * gcov-dump.c (print_version): Likewise.
765 * mips-tfile.c (main): Likewise.
766 * mips-tdump.c (main): Likewise.
768 2009-02-03 Joseph Myers <joseph@codesourcery.com>
771 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
772 for composite type involving a zero-length array type.
774 2009-02-03 Jakub Jelinek <jakub@redhat.com>
777 * function.c (match_asm_constraints_1): Skip over
778 initial optional % in the constraint.
781 * c-parser.c (c_parser_postfix_expression): If fixed point is not
782 supported, don't accept FIXED_CSTs.
783 * c-decl.c (finish_declspecs): Error if fixed point is not supported
784 and _Sat is used without _Fract/_Accum. Set specs->type to
785 integer_type_node for cts_fract/cts_accum if fixed point is not
788 2009-02-02 Catherine Moore <clm@codesourcery.com>
790 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
792 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
794 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
795 (ABI_HAS_64BIT_SYMBOLS): Use it.
796 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
798 2009-02-02 Paul Brook <paul@codesourcery.com>
800 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
802 2009-02-02 Jakub Jelinek <jakub@redhat.com>
805 * recog.h (asm_operand_ok): Add constraints argument.
806 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
807 recurse on matching constraint.
808 (check_asm_operands): Pass constraints as 3rd argument to
809 asm_operand_ok. Don't look up matching constraint here.
810 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
813 2009-02-02 Ben Elliston <bje@au.ibm.com>
815 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
816 TARGET_NARROW_VOLATILE_BITFIELD macro names.
818 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
820 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
821 information. Remove some obsolete information. Reorganize.
823 * config/pa/fptr.c: Revert license to GPL 2.
824 * config/pa/milli64.S: Likewise.
826 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
829 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
830 LIBRARY name in, instead of hard-coding it.
831 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
832 extra target make frag to tmake_files according to EH model.
833 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
834 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
835 frags that define makefile variable EH_MODEL appropriately.
836 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
837 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
838 to "-sjlj" according to type of EH configured.
839 (LIBGCC_SONAME): Concatenate it to shared library base name.
840 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
841 to "_sjlj" according to type of EH configured.
842 (LIBGCC_SONAME): Concatenate it to shared library base name.
843 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
844 (SHLIB_LINK): Add missing semicolon to if-else construct.
845 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
846 string value of "pe_dll" command-line option.
847 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
848 (SHLIB_SONAME): Use it when overriding t-cygming default.
849 (SHLIB_IMPLIB): Override t-cygming default.
850 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
851 string value of "pe_dll" command-line option.
853 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
856 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
857 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
859 2009-01-31 Richard Guenther <rguenther@suse.de>
861 PR tree-optimization/38937
862 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
863 computing the transitive closure.
865 2009-01-30 Richard Guenther <rguenther@suse.de>
867 PR tree-optimization/39041
868 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
869 Propagate variable indices only if the types match for this stmt.
871 2009-01-30 Jakub Jelinek <jakub@redhat.com>
874 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
875 inline but never defined.
877 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
879 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
880 (*insv_h_di_reg_extimm): New insn.
881 (*insv_l<mode>_reg_extimm): New insn.
883 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
885 * config/picochip/picochip.c (flag_conserve_stack): set
886 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
887 fconserve-stack. Reduce call-overhead used by inliner.
889 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
892 * common.opt (flag_conserve_stack): Initialised to zero.
894 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
897 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
898 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
901 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
903 * ira-color.c (allocno_reload_assign): Update comments.
904 * regmove.c (regmove_optimize): Likewise.
908 2009-01-29 Robert Millan <rmh@aybabtu.com>
910 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
911 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
913 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
915 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
917 PR tree-optimization/39007
918 * tree-loop-distribution.c (generate_builtin): Use
919 recompute_dominator to compute the immediate dominator of the
920 basic block just after the loop.
922 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
924 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
925 (ASM_OUTPUT_DWARF_PCREL): Define.
927 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
929 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
930 * doc/passes.texi: Remove entries about regclass, local-alloc, and
931 global. Modify entries about regmove and IRA.
933 * ra-conflict.c: Remove the file.
935 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
937 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
938 (pass_regclass_init): Rename to pass_reginfo_init.
940 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
942 * toplev.h (flag_ira): Remove.
944 * caller-save.c (setup_save_areas): Remove flag_ira.
946 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
948 * global.c: Remove the file.
950 * opts.c: (decode_options): Remove flag_ira.
952 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
954 * regmove.c: Modify file description.
955 (find_use_as_address, try_auto_increment): Define them only if
956 AUTO_INC_DEC is defined.
957 (replacement_quality, replace_in_call_usage, fixup_match_1,
958 stable_and_no_regs_but_for_p): Remove.
959 (reg_set_in_bb): Make it static.
960 (regmove_optimize): Remove flag_ira and code which worked for
963 * local-alloc.c: Remove the file.
965 * common.opt (fira): Remove.
967 * ira.c: Include except.h.
968 (eliminable_regset): Move from global.c.
969 (mark_elimination): Ditto. Remove flag_ira.
970 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
971 equiv_mem_modified, validate_equiv_mem_from_store,
972 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
973 contains_replace_regs, memref_referenced_p, memref_used_between_p,
974 no_equiv, recorded_label_ref): Move from local-alloc.c.
975 (update_equiv_regs): Ditto. Make it static.
976 (print_insn_chain, print_insn_chains): Move it from global.c.
977 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
978 (build_insn_chain): Ditto. Make it static.
979 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
980 Rename to init_live_subregs.
981 (gate_ira): Remove flag_ira.
983 * regclass.c: Rename reginfo.c. Change file description.
984 (FORBIDDEN_INC_DEC_CLASSES): Remove.
985 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
986 (init_reg_sets_1): Remove code for evaluation of
987 reg_class_superclasses and losing_caller_save_reg_set.
988 (init_regs): Remove init_reg_autoinc.
989 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
990 ok_for_base_p_nonstrict): Remove.
991 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
992 (pass_regclass_init): Rename to pass_reginfo_init. Modify
993 corresponding entries.
994 (dump_regclass, record_operand_costs, scan_one_insn,
995 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
996 record_address_regs, auto_inc_dec_reg_p): Remove.
997 (gt-regclass.h): Rename to gt-reginfo.h.
999 * rtl.h (dump_global_regs, retry_global_alloc,
1000 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1002 * Makefile.in (RA_H): Remove.
1003 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1004 Rename regclass.o to reginfo.o.
1005 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1007 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1008 (GTFILES): Rename regclass.c to reginfo.c.
1010 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1011 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1013 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1014 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1016 (finish_spills): Ditto. Remove code for !flag_ira.
1018 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1021 * doc/invoke.texi (rtl debug options): Complete rewrite.
1022 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1024 * mode-switching.c (pass_mode_switching): Rename pass from
1025 "mode-sw" to "mode_sw".
1026 * except.c (pass_convert_to_eh_ranges): Rename pass from
1027 "eh-ranges" to "eh_ranges".
1028 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1032 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1033 Alexander Monakov <amonakov@ispras.ru>
1036 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1038 (move_exprs_to_boundary): Change return type and pass through
1039 should_move from move_op. Relax assert. Update usage ...
1040 (schedule_expr_on_boundary): ... here. Use should_move instead of
1042 (move_op_orig_expr_found): Indicate that insn was disconnected from
1044 (code_motion_process_successors): Do not call after_merge_succs
1045 callback if original expression was not found when traversing any of
1047 (code_motion_path_driver): Change return type. Update prototype.
1048 (move_op): Update comment. Add a new parameter (should_move). Update
1049 prototype. Set *should_move based on indication provided by
1050 move_op_orig_expr_found.
1052 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1054 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1055 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1056 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1057 * config/rs6000/rs6000.c (rs6000_override_options): Default
1058 avoid-indexed-addresses on for Power6, off for everything else.
1059 (avoiding_indexed_address_p): New function.
1060 (rs6000_legitimize_address): Use it.
1061 (rs6000_legitimate_address): Likewise.
1062 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1064 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1066 PR tree-optimization/38997
1067 * tree-loop-distribution.c (generate_memset_zero): Use
1068 POINTER_PLUS_EXPR for a pointer addition.
1070 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1072 * config/s390/s390.md (bswap<mode>2): New pattern added.
1074 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1076 * config/s390/s390.md (*tls_load_31): Added type attribute.
1078 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1080 * config/s390/s390.md: Fix a few comments.
1082 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1084 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1085 (*tm<mode>_full): Fixed z10prop attribute.
1086 (*tst<mode>_extimm): Fixed z10prop attribute.
1087 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1088 (*tstqiCCT_cconly): Fixed z10prop attribute.
1089 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1090 (*movsi_larl): Fixed z10prop attribute.
1091 (*movsi_zarch): Fixed z10prop attribute.
1092 (*movsi_eas): Fixed z10prop attribute.
1093 (*movhi): Fixed z10prop attribute.
1094 (*movqi): Fixed z10prop attribute.
1095 (*movstrictqi): Fixed z10prop attribute.
1096 (*mov<mode>): Fixed z10prop attribute.
1097 (*movcc): Fixed z10prop attribute.
1098 (*sethighpartdi_64): Fixed z10prop attribute.
1099 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1100 (*negdi2_sign_cc): Fixed z10prop attribute.
1101 (*negdi2_sign): Fixed z10prop attribute.
1102 (*absdi2_sign_cc): Fixed z10prop attribute.
1103 (*absdi2_sign): Fixed z10prop attribute.
1104 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1105 (*negabsdi2_sign): Fixed z10prop attribute.
1106 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1107 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1108 (doloop_si64): Fixed z10prop attribute.
1109 (doloop_si31): Fixed z10prop attribute.
1110 (doloop_long): Fixed z10prop attribute.
1111 (indirect_jump): Fixed z10prop attribute.
1112 (nop): Fixed z10prop attribute.
1113 (main_base_64): Fixed z10prop attribute.
1114 (reload_base_64): Fixed z10prop attribute.
1116 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1118 PR rtl-optimization/38740
1119 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1121 * config/mips/mips.c (mips_reorg): Likewise.
1123 2009-01-28 Richard Guenther <rguenther@suse.de>
1125 PR tree-optimization/38926
1126 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1127 with the correct value id to a value.
1128 (do_regular_insertion): Use the value number of edoubleprime
1129 for the value number of the expr.
1132 2008-08-21 Richard Guenther <rguenther@suse.de>
1134 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1135 a PHI ask VN if it is already available.
1136 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1137 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1139 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1142 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1143 set to varying whenever max has TREE_OVERFLOW set, similarly
1144 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1146 2009-01-28 Richard Guenther <rguenther@suse.de>
1149 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1150 uninitialized aggregate uses in call arguments.
1152 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1154 PR tree-optimization/38984
1155 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1156 the nothing_id variable if -fno-delete-null-pointer-checks.
1158 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1161 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1162 (set_got_offset_rex64): Ditto.
1164 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1167 * doc/extend.texi: Improve local variable with asm reg.
1169 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1171 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1172 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1173 was not supplied then set warn_packed_bitfield_compat to the
1175 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1178 2009-01-27 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/38503
1181 * cfgexpand.c (expand_gimple_basic_block): Ignore
1182 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1183 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1184 variables that cannot have TBAA applied.
1185 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1188 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1191 * calls.c (initialize_argument_information): Do not wrap complex
1192 arguments in SAVE_EXPR.
1194 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1196 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1197 (INSTALL_LIBGCC): Revert typo commit.
1199 2009-01-26 Richard Guenther <rguenther@suse.de>
1201 PR tree-optimization/38745
1202 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1203 from special handling.
1205 2009-01-26 Richard Guenther <rguenther@suse.de>
1207 PR tree-optimization/38745
1208 * tree-ssa.c (execute_update_addresses_taken): Do not include
1209 variables that cannot possibly be a register in not_reg_needs.
1210 Do not clear TREE_ADDRESSABLE on vars that may not become
1212 * tree-ssa.c (update_alias_info_1): Include those in the set
1213 of addressable vars.
1215 2009-01-26 Richard Guenther <rguenther@suse.de>
1218 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1219 * tree-ssa-dse.c: Include langhooks.h
1220 (execute_simple_dse): Remove stores with zero size.
1222 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1225 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1228 2009-01-24 Julian Brown <julian@codesourcery.com>
1230 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1231 config/arm/linux-atomic.c.
1232 * config/arm/linux-atomic.c: New.
1234 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1236 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1237 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1238 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1240 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1243 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1246 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1248 PR tree-optimization/38953
1249 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1250 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1251 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1252 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1255 2009-01-24 Paul Brook <paul@codesourcery.com>
1257 * config/arm/neon.md (neon_type): Move to arm.md.
1258 (neon_mov<VSTRUCT>): Add neon_type attribute.
1259 * config/arm/arm.md (neon_type): Move to here.
1260 (conds): Add "unconditioal" and use as default for NEON insns.
1262 2009-01-24 Ben Elliston <bje@au.ibm.com>
1264 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1265 void *' warning from -Wc++-compat.
1266 * Makefile.in (dominance.o-warn): Remove.
1268 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1270 PR tree-optimization/38932
1271 * fold-const.c (fold_unary_ignore_overflow): New.
1272 * tree.h (fold_unary_ignore_overflow): Declare.
1273 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1274 * tree-ssa-sccvn.c (visit_reference_op_load,
1275 simplify_unary_expression): Likewise.
1277 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1279 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1280 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1281 regardless of their type.
1282 * c-common.c (handle_packed_attribute): Don't ignore packed on
1284 * c.opt (Wpacked-bitfield-compat): New warning option.
1285 * stor-layout.c (place_field): Warn if offset of a field changed.
1286 * doc/extend.texi (packed): Mention the ABI change.
1287 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1288 (Warning Options): Add it to the list.
1290 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1292 * c-opts.c (c_common_post_options): Fix a typo in comments.
1294 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1297 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1298 variables to static.
1299 * doc/invoke.texi (-fmerge-all-constants): Update description.
1301 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1304 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1305 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1307 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1309 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1311 (LOCAL_ALIGNMENT): Similarly.
1313 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1314 Joseph Myers <joseph@codesourcery.com>
1316 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1317 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1318 * config/arm/arm-tune.md: Regenerate.
1319 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1322 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1324 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1325 version number to five.
1327 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1330 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1331 * c-common.c (set_underlying_type): Likewise.
1332 (is_typedef_decl ): Likewise
1334 (set_underlying_type): Likewise.
1335 (is_typedef_type): Likewise.
1337 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1340 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1343 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1346 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1347 (LIBGCC_SPEC): Don't define.
1348 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1350 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1352 PR rtl-optimization/38879
1353 * alias.c (base_alias_check): Unaligned access via AND address can
1354 alias all surrounding object types except those with sizes equal
1355 or wider than the size of unaligned access.
1357 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1360 * c-decl.c: (clone_underlying_type): Move this ...
1361 * c-common.c (set_underlying_type): ... here.
1362 Also, make sure the function properly sets TYPE_STUB_DECL() on
1363 the newly created typedef variant type.
1364 (is_typedef_decl ): New entry point.
1365 * tree.h: Added a new member member_types_needing_access_check to
1366 struct tree_decl_non_common.
1367 (set_underlying_type): New entry point.
1368 (is_typedef_type): Likewise.
1370 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1372 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1373 Check whether two instructions have memory references that
1374 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1375 are helper functions for traversing.
1376 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1377 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1378 not to draw dependency edge for instructions with non-conflicting
1381 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1384 * longlong.h: Update copyright years. Use soft-fp license notice.
1385 Sync __clz_tab declaration with glibc.
1387 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1390 * doc/extend.texi (syscall_linkage): New.
1391 (version_id): Modify.
1393 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1394 Richard Guenther <rguenther@suse.de>
1396 PR tree-optimization/38747
1397 PR tree-optimization/38748
1398 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1399 conversion if the base address is an indirect reference and the
1400 aliasing sets could cause issues.
1402 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1404 * common.opt (fgraphite, fgraphite-identity): Add comment for
1405 explaining why these options are not documented.
1407 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1409 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1410 gimple_call_lhs is NULL.
1412 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1415 * emit-rtl.c (adjust_address_1): Make sure memref is never
1418 2009-01-20 Ben Elliston <bje@au.ibm.com>
1420 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1421 const qualifier from arg parameter. Remove unnecessary cast to char *.
1422 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1423 const qualifier from arg 2.
1425 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1427 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1429 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1432 * rtl.h (reinit_regs): New prototype.
1433 * regclass.c: Include ira.h.
1435 * Makefile.in (regclass.o): Add ira.h.
1436 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1438 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1441 * c-common.c (handle_aligned_attribute): Use
1442 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1443 default alignment value.
1445 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1447 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1448 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1450 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1451 __BIGGEST_ALIGNMENT__.
1453 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1455 2009-01-18 Richard Guenther <rguenther@suse.de>
1457 PR tree-optimization/38819
1458 * tree-flow.h (operation_could_trap_helper_p): Declare.
1459 * tree-eh.c (operation_could_trap_helper_p): Export.
1460 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1461 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1462 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1463 are about to insert a possibly trapping instruction and fail
1466 2009-01-18 Andreas Schwab <schwab@suse.de>
1468 * doc/install.texi (Configuration): Remove obsolete paragraph
1469 about use of --with-gnu-ld with --with-gnu-as.
1471 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1473 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1474 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1475 Follow spelling conventions.
1477 2009-01-18 Ben Elliston <bje@au.ibm.com>
1479 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1480 C++ warning about implicit conversion from void * to struct
1482 (bitmap_obstack_free): Likewise for bitmap_element *.
1483 * Makefile.in (bitmap.o-warn): Remove.
1485 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1487 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1489 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1490 Tobias Grosser <tobi.grosser@amd.com>
1492 * graphite.c (graphite_trans_scop_block): Do not block single
1495 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1497 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1498 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1499 test with assertion.
1501 2009-01-16 Richard Guenther <rguenther@suse.de>
1503 PR tree-optimization/38835
1505 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1506 and INT + PTR -> (INT)(PTR p+ INT) folding.
1507 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1509 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1512 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1513 the subreg from a lowpart subreg if it is also casting the value.
1515 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1516 Tobias Grosser <tobi.grosser@amd.com>
1518 * graphite.c (compare_prefix_loops): New.
1519 (build_scop_canonical_schedules): Rewritten.
1520 (graphite_transform_loops): Move build_scop_canonical_schedules
1521 after build_scop_iteration_domain.
1523 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1524 Tobias Grosser <tobi.grosser@amd.com>
1526 * graphite.c (add_conditions_to_domain): Add the loops to
1527 the dimension of the iteration domain. Do copy the domain
1528 only when it exists.
1529 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1530 (add_conditions_to_constraints): New.
1531 (can_generate_code_stmt, can_generate_code): Removed.
1532 (gloog): Do not call can_generate_code.
1533 (graphite_transform_loops): Call add_conditions_to_constraints
1534 after building the iteration domain.
1536 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1538 PR tree-optimization/38789
1539 * tree-ssa-threadedge.c
1540 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1541 __builtin_constant_p.
1543 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1545 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1546 examined before deleting them.
1548 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1550 * function.c (aggregate_value_p): Correctly extract the function
1551 type from CALL_EXPR_FN lookup.
1553 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1555 * config/picochip/picochip.c (picochip_override_options): Revert
1556 CFI asm flag disable commited previously.
1558 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1559 Tobias Grosser <tobi.grosser@amd.com>
1560 Jan Sjodin <jan.sjodin@amd.com>
1562 * graphite.c (scan_tree_for_params): On substractions negate
1563 all the coefficients of the term.
1564 (clast_to_gcc_expression_red): New. Handle reduction expressions
1565 of more than two operands.
1566 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1567 (get_vdef_before_scop): Handle also the case of default definitions.
1569 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1571 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1572 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1573 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1575 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1576 Joey Ye <joey.ye@intel.com>
1579 * cfgexpand.c (expand_stack_alignment): Don't update stack
1580 boundary nor check incoming stack boundary here.
1581 (gimple_expand_cfg): Update stack boundary and check incoming
1582 stack boundary here.
1584 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1586 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1588 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1590 PR rtl-optimization/38245
1591 * calls.c (expand_call): Add stack arguments to
1592 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1593 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1594 in regs and partially in memory or BLKmode arguments.
1595 (emit_library_call_value_1): Add stack arguments to
1596 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1597 ACCUMULATE_OUTGOING_ARGS).
1598 * dce.c: Include tm_p.h.
1599 (find_call_stack_args): New function.
1600 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1602 (mark_insn): Call find_call_stack_args for CALL_Ps.
1603 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1604 forwards. Allocate and free arg_stores bitmap if needed, pass it
1605 down to deletable_insn_p, don't mark stores set in arg_stores
1606 bitmap, clear the bitmap at the beginning of each bb.
1607 * Makefile.in (dce.o): Depend on $(TM_P_H).
1609 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1612 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1613 to make sure the insn is a conditional test (bug 22599). Reformat a
1616 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1619 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1620 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1621 (gloog): Do not call cleanup_tree_cfg.
1622 (graphite_transform_loops): Call cleanup_tree_cfg after all
1623 scops have been code generated.
1625 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1626 * doc/gty.texi (Invoking the garbage collector): Added new node
1627 and section documenting ggc_collect.
1629 2009-01-14 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/38826
1633 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1634 initialization notes only if we actually emitted a warning.
1635 (intra_create_variable_infos): Add constraints for a result decl
1636 that is passed by hidden reference.
1637 (build_pred_graph): Mark all related variables non-direct on
1640 2009-01-14 Nick Clifton <nickc@redhat.com>
1642 * ira-conflicts.c: Include addresses.h for the definition of
1644 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1645 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1647 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1650 * Makefile.in (ira-lives.o): Add except.h.
1652 * ira-lives.c: Include except.h.
1653 (process_bb_node_lives): Process can_throw_internal.
1655 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1657 PR rtl-optimization/38774
1658 * combine.c (simplify_set): When undoing cc_use change, don't do
1659 PUT_CODE on the newly created comparison, but instead put back the
1662 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1664 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1665 values. Remove duplicate arm8 entry.
1667 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1669 PR tree-optimization/38786
1670 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1671 the SSA_NAME case of expand_scalar_variables_expr.
1672 Set the type of an expression to the type of its assign statement.
1673 (expand_scalar_variables_expr): Also gather the scalar computation
1674 used to index the memory access. Do not pass loop_p.
1675 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1676 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1677 the gimple_stmt_iterator where it inserts new code.
1679 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1680 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1682 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1684 * graphite.h (debug_value): Removed.
1685 * graphite.c (debug_value): Removed.
1687 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1689 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1690 ldrd/strd with two 32-bit instructions.
1692 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1694 * config/arm/arm.c (struct processors): Pass for speed down into
1695 cost helper functions.
1696 (const_ok_for_op): Handle COMPARE and inequality nodes.
1697 (arm_rtx_costs_1): Rewrite.
1698 (arm_size_rtx_costs): Update prototype.
1699 (arm_rtx_costs): Pass speed down to helper functions.
1700 (arm_slowmul_rtx_costs): Rework cost calculations.
1701 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1702 (arm_9e_rtx_costs): Likewise.
1704 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1706 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1707 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1708 (alpha_legitimize_address): Do not split local symbols wider than
1709 UNITS_PER_WORD into HIGH/LO_SUM parts.
1711 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1714 * gcc.c (process_command): Replace call to execvp with calls
1715 to pex_one and exit.
1717 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1720 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1721 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1722 variant for devices with 3-byte PC.
1723 (__tablejump_elpm__) : New.
1725 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1728 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1729 offsetof member-designator, handle it as `[0].'.
1731 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1733 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1734 function when not using named sections on targets with named sections
1735 if branch distance is less than 262132.
1737 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1739 * combine.c (combine_instructions): Recompute
1740 optimize_this_for_speed_p for each BB in the main combine loop.
1742 2009-01-12 Tomas Bily <tbily@suse.cz>
1745 * tree-loop-distribution.c (prop_phis): New function.
1746 (generate_builtin): Call prop_phis.
1747 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1749 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1751 PR tree-optimization/38807
1752 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1753 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1755 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1757 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1758 subreg of op0 to the original op0.
1760 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1762 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1764 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1767 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1768 starting with digits.
1770 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1773 * config/arm/arm.c (arm_is_long_call_p): Don't call
1774 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1776 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1778 * regrename.c (regrename_optimize): Fix dumping.
1779 (find_oldest_value_reg): Preserve REG_POINTER.
1780 (copy_hardreg_forward_1): Likewise.
1782 2009-01-09 Diego Novillo <dnovillo@google.com>
1784 * gimple.h (struct gimple_statement_base) <uid>: Document
1785 the restrictions on its use.
1787 (gimple_set_uid): Tidy.
1789 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1791 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1792 zero guard even if align_bytes != 0 and count is smaller than
1795 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1797 PR rtl-optimization/38495
1798 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1799 (add_range_and_copies_from_move_list): Print all added ranges.
1800 Add ranges to memory optimized destination.
1802 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1806 * config/i386/i386.c (override_options): Reject
1807 -mstringop-strategy=rep_8byte with -m32.
1808 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1809 to 1. Do count comparison against epilogue_size_needed at compile
1810 time even when count_exp was constant forced into register. For
1811 size_needed don't jump to epilogue, instead just avoid aligning
1812 and invoke the body algorithm. If need_zero_guard, add zero guard
1813 even if count is non-zero, but smaller than size_needed + number of
1814 bytes that could be stored for alignment.
1815 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1816 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1817 but smaller than size_needed + number of bytes that could be stored
1818 for alignment. Compare size_needed with epilogue_size_needed instead
1819 of desired_align - align, don't adjust size_needed, pass
1820 epilogue_size_needed to the epilogue expanders.
1823 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1825 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1827 * pa.c (last_address): Change to unsigned.
1828 (update_total_code_bytes): Change argument to unsigned. Don't
1829 check if insn addresses are set.
1830 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1831 addresses are not set.
1832 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1834 2009-01-09 Nick Clifton <nickc@redhat.com>
1836 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1837 DECL_DECLARED_INLINE_P.
1839 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1842 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1843 GET_MODE (op0) in operand_subword_force calls.
1846 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1847 fold_convert arg0 operands to TREE_TYPE (op0) first.
1849 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1851 * params.def (ira-max-conflict-table-size): Decrease default value
1854 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1856 PR tree-optimization/37031
1857 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1859 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1860 allocate it using gc instead of heap, use VEC_quick_push instead of
1862 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1863 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1864 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1865 allocated vector from heap allocated.
1866 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1867 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1868 vector only after perfect_loop_nest_depth call.
1870 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1871 Jan Sjodin <jan.sjodin@amd.com>
1873 PR tree-optimization/38559
1874 * graphite.c (debug_value, copy_constraint,
1875 swap_constraint_variables, scale_constraint_variable, ): New.
1876 (get_lower_bound, get_upper_bound): Removed.
1877 (graphite_trans_bb_strip_mine): Clean up this code that works
1878 only for constant number of iterations. Fully copy upper and
1879 lower bound constraints, not only the constant part of them.
1880 * graphite.h (debug_value): Declared.
1882 2009-01-08 Ira Rosen <irar@il.ibm.com>
1884 PR tree-optimization/37194
1885 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1886 Don't add the cost of cost model guard in prologue to scalar
1887 outside cost in case of known number of iterations.
1889 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1890 Alan Modra <amodra@bigpond.net.au>
1892 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1893 non-word-aligned REG+CONST addressing.
1895 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1898 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1899 free_after_compilation when outputting a thunk.
1900 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1901 Do not call free_after_compilation here.
1903 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1905 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1906 (ix86_valid_target_attribute_inner_p): Ditto.
1908 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1910 PR tree-optimization/38492
1911 PR tree-optimization/38498
1912 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1913 * tree-chrec.h (scev_is_linear_expression): Declared.
1914 * graphite.c (graphite_cannot_represent_loop_niter): New.
1915 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1916 (graphite_loop_normal_form): Use gcc_assert.
1917 (scan_tree_for_params): Use CASE_CONVERT.
1918 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1919 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1920 Use gcc_assert. Discard scops that contain unhandled cases.
1921 (build_scop_conditions): Return a boolean status for unhandled cases.
1922 (strip_mine_profitable_p): Print the loop number, not its depth.
1923 (is_interchange_valid): Pass the depth of the loop nest, don't
1924 recompute it wrongly.
1925 (graphite_trans_bb_block): Same.
1926 (graphite_trans_bb_block): Print tentative of loop blocking.
1927 (graphite_trans_scop_block): Do not print that the loop has been
1929 (graphite_transform_loops): Do not handle scops that contain condition
1932 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1934 AVX Programming Reference (December, 2008)
1935 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1936 (_mm256_stream_pd): Likewise.
1937 (_mm256_stream_ps): Likewise.
1939 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1940 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1941 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1942 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1943 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1944 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1945 (ix86_expand_special_args_builtin): Likewise.
1947 * config/i386/sse.md (AVXMODEDI): New.
1948 (avx_movnt<mode>): Likewise.
1949 (avx_movnt<mode>): Likewise.
1950 (<sse>_movnt<mode>): Remove AVX support.
1951 (sse2_movntv2di): Likewise.
1953 2009-01-07 Richard Guenther <rguenther@suse.de>
1956 * fold-const.c (extract_muldiv): Remove obsolete comment.
1957 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1958 to PLUS_EXPR canonicalization for the canonicalization.
1960 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1962 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1963 hosted cross-compilers generating less efficient code.
1965 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1967 * function.h (rtl_data): Add a dbr_scheduled_p field.
1968 * reorg.c (dbr_schedule): Set it.
1969 (gate_handle_delay_slots): Check it.
1970 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1971 (mips_reorg): Check flag_delayed_branch instead of
1972 mips_base_delayed_branch.
1973 (mips_override_options): Don't set mips_base_delayed_branch
1974 or flag_delayed_branch.
1976 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1978 PR rtl-optimization/38426.
1979 * ira.c (ira): Set current_function_is_leaf earlier.
1981 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1983 PR rtl-optimization/38722
1984 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1985 too early, only set a flag and modify after last possible
1988 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1991 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1992 * real.c (decimal_single_format): Correct values of emin and emax.
1993 (decimal_double_format): Ditto.
1994 (decimal_quad_format): Ditto.
1995 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1996 computation of DECnn_MIN and DECnn_MAX for corrected values of
1997 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1998 __DECnn_MIN__, and adjust its computation for the corrected value
2001 2009-01-06 Jan Hubicka <jh@suse.cz>
2004 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2006 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2008 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2009 Add Robert Clark to the list of testers.
2011 2009-01-06 Jan Hubicka <jh@suse.cz>
2012 Kai Tietz <kai.tietz@onevision.com>
2014 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2015 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2017 2009-01-06 Jan Hubicka <jh@suse.cz>
2018 Kai Tietz <kai.tietz@onevision.com>
2020 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2022 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2023 (ix86_nsaved_regs): Count only general purpose regs.
2024 (ix86_nsaved_sseregs): New.
2025 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2026 to 16 for w64; compute padding and size of sse reg save area.
2027 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2028 general purpose regs.
2029 (ix86_emit_save_sse_regs_using_mov): New.
2030 (ix86_expand_prologue): Save SSE regs if needed.
2031 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2032 (ix86_emit_restore_sse_regs_using_mov): New.
2033 (ix86_expand_epilogue): Save SSE regs if needed.
2035 2009-01-06 Jan Hubicka <jh@suse.cz>
2036 Kai Tietz <kai.tietz@onevision.com>
2038 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2039 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2040 functions when accumulate outgoing args is off.
2042 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2045 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2046 before using pseudos_have_intersected_live_ranges_p.
2048 * ira-int.h (ira_assert): Always define.
2050 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2052 AVX Programming Reference (December, 2008)
2053 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2054 (_mm256_permute2_pd): Likewise.
2055 (_mm_permute2_ps): Likewise.
2056 (_mm256_permute2_ps): Likewise.
2057 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2058 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2060 * config/i386/i386.c (ix86_builtins): Remove
2061 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2062 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2063 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2064 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2065 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2066 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2067 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2068 __builtin_ia32_vpermil2ps256.
2069 (ix86_init_mmx_sse_builtins): Updated.
2070 (ix86_expand_args_builtin): Likewise.
2072 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2074 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2075 long absolute calls when generating PA 2.0 code.
2077 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2079 PR rtl-optimization/38583
2080 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2082 * params.def (ira-max-conflict-table-size): New.
2084 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2086 * ira.h (ira_conflicts_p): New external definition.
2088 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2089 table. Report this. Return result of building.
2090 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2091 building conflict table.
2093 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2094 (ira_color): Use ira_conflicts_p.
2096 * global.c: Include ira.h.
2097 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2100 * Makefile.in (global.o): Add ira.h.
2102 * ira-build.c (mark_all_loops_for_removal,
2103 propagate_some_info_from_allocno): New.
2104 (remove_unnecessary_allocnos): Call
2105 propagate_some_info_from_allocno.
2106 (remove_low_level_allocnos): New.
2107 (remove_unnecessary_regions): Add parameter. Call
2108 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2109 parameter to remove_unnecessary_regions.
2110 (ira_build): Remove all regions but root if the conflict table was
2111 not built. Update conflict hard regs for allocnos crossing calls.
2113 * ira.c (ira_conflicts_p): New global.
2114 (ira): Define and use ira_conflicts_p.
2116 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2117 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2118 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2120 2009-01-06 Ben Elliston <bje@au.ibm.com>
2122 * gengtype-lex.l (YY_NO_INPUT): Define.
2124 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2127 * c-common.c (handle_vector_size_attribute): Also reject
2130 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2132 PR tree-optimization/38492
2133 * graphite.c (rename_map_elt, debug_rename_elt,
2134 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2135 rename_map_elt_info, eq_rename_map_elts,
2136 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2137 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2138 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2139 (sese_build_livein_liveouts): New.
2140 (new_sese, free_sese): New.
2141 (new_scop): Call new_sese.
2142 (free_scop): Call free_sese.
2143 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2144 (register_old_new_names): Renamed register_old_and_new_names.
2145 (register_scop_liveout_renames, add_loop_exit_phis,
2146 insert_loop_close_phis, struct igp,
2147 default_liveout_before_guard, add_guard_exit_phis,
2148 insert_guard_phis, copy_renames): New.
2149 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2150 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2151 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2152 (scop_adjust_phis_for_liveouts): New.
2153 (gloog): Call scop_adjust_phis_for_liveouts.
2155 * graphite.h (struct sese): Documented. Added fields liveout,
2157 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2158 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2159 (struct scop): Added field liveout_renames.
2160 (SCOP_LIVEOUT_RENAMES): New.
2162 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2164 PR tree-optimization/38510
2165 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2166 (translate_clast): Call recompute_all_dominators before
2168 (gloog): Call recompute_all_dominators before graphite_verify.
2170 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2171 Jan Sjodin <jan.sjodin@amd.com>
2173 PR tree-optimization/38500
2174 * graphite.c (create_sese_edges): Call fix_loop_structure after
2177 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2179 * config.gcc: Add m32r*-*-rtems*.
2180 * config/m32r/rtems.h: New file.
2182 2009-01-05 Ben Elliston <bje@au.ibm.com>
2184 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2185 (.po.pox): Likewise.
2186 (po/gcc.pot): Likewise.
2188 2009-01-04 David S. Miller <davem@davemloft.net>
2190 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2191 (STARTING_FRAME_OFFSET): Always set to zero.
2193 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2195 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2196 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2197 fixed-point types, and vectors of the same.
2199 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2201 * config/mips/sync.md (*mb_barrier): Rename to...
2202 (*memory_barrier): ...this.
2204 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2206 * doc/extend.texi (Function Attributes): Move @cindex after @item
2207 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2208 and put in alphabetical order. Fix 'target' name and put in order.
2209 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2212 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2214 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2215 (memory_barrier): Expand as unspec instead of unspec_volatile.
2216 Remove mem:BLK from insn operands. Use Pmode scratch register.
2217 (*memory_barrier): Define as unspec instead of unspec_volatile.
2218 Use (match_dup 0) as input operand.
2220 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2221 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2222 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2223 scratch register. Remove operand 1.
2224 (*stbar): Define as unspec instead of unspec_volatile.
2225 Use (match_dup 0) as input operand, remove (const_int 8).
2226 (*membar): Define as unspec instead of unspec_volatile.
2227 Use (match_dup 0) as input operand, remove input operand 2.
2229 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2230 (memory_barrier): Expand as unspec instead of unspec_volatile.
2231 Remove mem:BLK from insn operands. Use Pmode scratch register.
2232 (*memory_barrier): Define as unspec instead of unspec_volatile.
2233 Use (match_dup 0) as input operand.
2235 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2236 Remove mem:BLK from insn operands. Use Pmode scratch register.
2237 Set volatile flag on operand 0.
2238 (*memory_barrier): New insn pattern.
2240 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2242 (*memory_barrier): Use (match_dup 0) as input operand.
2244 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2245 Remove mem:BLK from insn operands. Use Pmode scratch register.
2246 Set volatile flag on operand 0.
2247 (*mb_internal): New insn pattern.
2249 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2251 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2254 * function.c (struct temp_slot): Move to the section of the file
2255 that deals with temp slots. Remove field 'address'.
2256 (temp_slot_address_table): New hash table of address -> temp slot.
2257 (struct temp_slot_address_entry): New struct, items for the table.
2258 (temp_slot_address_compute_hash, temp_slot_address_hash,
2259 temp_slot_address_eq, insert_temp_slot_address): Support functions
2261 (find_temp_slot_from_address): Rewrite to use the new hash table.
2262 (remove_unused_temp_slot_addresses): Remove addresses of temp
2263 slots that have been made available.
2264 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2265 worker function for remove_unused_temp_slot_addresses.
2266 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2267 Add the temp slot address to the address -> temp slot map.
2268 (update_temp_slot_address): Update via insert_temp_slot_address.
2269 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2270 (pop_temp_slots): Likewise.
2271 (init_temp_slots): Allocate the address -> temp slot map, or empty
2272 the map if it is already allocated.
2273 (prepare_function_start): Initialize temp slot processing.
2275 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2278 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2279 Calculate the size of all stack vars assuming no packing of stack
2280 vars will happen, replacing a quadratic algorithm with a linear one.
2282 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2285 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2288 2009-01-03 Diego Novillo <dnovillo@google.com>
2290 * doc/contrib.texi: Update contributions.
2292 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2295 * builtins.c (fold_builtin_memory_op): Give up if either operand
2296 is volatile. Set srctype or desttype to non-qualified version
2300 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2303 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2305 PR rtl-optimization/35805
2306 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2307 problem if fast dce is able to remove any instructions.
2308 * dce.c (dce_process_block): Fix dump message.
2310 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2313 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2315 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2318 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2319 * tree-pretty-print.c (op_code_prio): New function.
2320 (op_prio): No longer static. Use op_code_prio.
2321 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2322 Use op_prio and op_code_prio to determine if () should be
2323 printed around operand(s) or not.
2325 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2326 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2327 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2328 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2329 pp_character instead of pp_string for single letter printing.
2331 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2333 * doc/extend.texi: Fix '#pragma GCC option' typo.
2335 2009-01-02 Richard Guenther <rguenther@suse.de>
2337 * doc/install.texi (--enable-checking): Mention different
2339 (--enable-stage1-checking): Document.
2341 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2344 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2345 case to be an error.
2347 2009-01-02 Ben Elliston <bje@au.ibm.com>
2349 * config/fp-bit.h (pack_d): Constify argument.
2350 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2351 (isnan): Constify argument.
2355 (_fpadd_parts): Constify return type.
2356 (_fpmul_parts): Likewise.
2357 (_fpdiv_parts): Likewise.
2359 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2362 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2363 warn about overwriting initializer with side-effects or
2364 -Woverride-init if !IMPLICIT.
2365 (output_init_element): Likewise. Pass IMPLICIT down to
2367 (process_init_element): Add IMPLICIT argument. Pass it down
2368 to output_init_element.
2369 (push_init_element, pop_init_level, set_designator): Adjust
2370 process_init_element callers.
2371 (set_nonincremental_init, set_nonincremental_init_from_string):
2372 Adjust add_pending_init callers.
2373 (output_pending_init_elements): Adjust output_init_element callers.
2374 * c-tree.h (process_init_element): Adjust prototype.
2375 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2376 process_init_element callers.