| blob | 8ca48493c4db9cae642265082eb57ca3c5e23948 |
1 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3 PR target/39228
4 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5 (UNSPEC_FXAM_MEM): New unspec.
6 (fxam<mode>2_i387_with_temp): New insn and split pattern.
7 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
8 memory using fxam<mode>2_i387_with_temp to remove excess precision.
10 2009-02-19 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/39207
13 PR tree-optimization/39074
14 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
15 storedanything_tree): New.
16 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
17 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
18 (build_succ_graph): Add edges from STOREDANYTHING to all
19 non-direct nodes.
20 (init_base_vars): Initialize STOREDANYTHING.
21 (compute_points_to_sets): Free substitution info after
22 building the succ graph.
23 (ipa_pta_execute): Likewise.
25 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
26 field.
27 (do_ds_constraint): Do not add to special var or non-pointer
28 field solutions.
29 (type_could_have_pointers): Split out from ...
30 (could_have_pointers): ... here. For arrays use the element type.
31 (create_variable_info_for): Initialize may_have_pointers.
32 (new_var_info): Likewise.
33 (handle_lhs_call): Make the HEAP variable unknown-sized.
34 (intra_create_variable_infos): Use a type with pointers for
35 PARM_NOALIAS, make it unknown-sized.
37 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
39 PR target/39224
40 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
42 2009-02-18 Jason Merrill <jason@redhat.com>
44 PR target/39179
45 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
46 value if DECL_EXTERNAL.
47 * tree-sra.c (sra_walk_gimple_assign): Likewise.
48 * target.h (gcc_target::binds_local_p): Clarify "module".
49 * tree.h (TREE_PUBLIC): Clarify "module".
51 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
53 PR target/38891
54 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
55 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
57 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
59 PR target/39082
60 * c.opt (Wabi): Support C and ObjC.
61 (Wpsabi): New.
63 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
65 * config/i386/i386.c (classify_argument): Warn once about the ABI
66 change when passing union with long double.
68 * doc/invoke.texi: Update -Wabi for warning psABI changes.
70 2009-02-18 Joseph Myers <joseph@codesourcery.com>
72 PR c/35447
73 * c-parser.c (c_parser_compound_statement): Always enter and leave
74 a scope.
76 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
78 PR target/34587
79 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
81 2009-02-18 Jakub Jelinek <jakub@redhat.com>
83 PR tree-optimization/36922
84 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
85 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
86 Likewise.
88 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
90 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
91 to 0 for EABI64.
93 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
95 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
97 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
99 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
100 tree sharing.
102 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
103 Richard Sandiford <rdsandiford@googlemail.com>
105 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
106 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
107 (loongson_biadd): ...this.
109 2009-02-17 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/39202
112 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
113 a var make sure to follow existing collapses.
115 2009-02-17 Richard Guenther <rguenther@suse.de>
117 PR middle-end/39214
118 * langhooks.c (lhd_print_error_function): Check for NULL block.
120 2009-02-17 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/39204
123 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
124 of the PHI arg.
126 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
128 * config/soft-fp/double.h: Update from glibc CVS.
130 2009-02-17 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/39207
133 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
134 strict-aliasing warnings for pointers pointing to NULL.
136 2009-02-16 Joseph Myers <joseph@codesourcery.com>
138 PR c/35446
139 * c-parser.c (c_parser_braced_init): Call pop_init_level when
140 skipping until next close brace.
142 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
144 PR target/37049
145 * config/i386/i386.c (ix86_expand_push): Set memory alignment
146 to function argument boundary.
148 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
150 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
151 in the lea_add. Reload eventually constraints it properly.
152 * config/picochip/constraints.md : Remove the target constraint
153 "b", since it is not needed anymore.
155 2009-02-16 Jakub Jelinek <jakub@redhat.com>
157 * gthr-dce.h: Uglify function parameter and local variable names.
158 * gthr-gnat.h: Likewise.
159 * gthr-mipssde.h: Likewise.
160 * gthr-nks.h: Likewise.
161 * gthr-posix95.h: Likewise.
162 * gthr-posix.h: Likewise.
163 * gthr-rtems.h: Likewise.
164 * gthr-single.h: Likewise.
165 * gthr-solaris.h: Likewise.
166 * gthr-tpf.h: Likewise.
167 * gthr-vxworks.h: Likewise.
168 * gthr-win32.h: Likewise.
170 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
172 PR target/39196
173 * config/i386/i386.md: Restrict the new peephole2 to move
174 between MMX/SSE registers.
176 2009-02-15 Richard Guenther <rguenther@suse.de>
178 Revert
179 2009-02-13 Richard Guenther <rguenther@suse.de>
181 * configure.ac: Enable LFS.
182 * configure: Re-generate.
183 * config.in: Likewise.
185 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
187 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
188 spu_srqwbyte, spu_srqwbytebc): Define.
189 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
190 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
191 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
192 "shrqby_<mode>"): New insn-and-split patterns.
193 * config/spu/spu.c (expand_builtin_args): Determine and return
194 number of operands using spu_builtin_description data.
195 (spu_expand_builtin_1): Use it.
197 2009-02-13 Steve Ellcey <sje@cup.hp.com>
199 PR target/38056
200 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
201 TARGET_CONST_GP.
203 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
205 PR target/39149
206 * config/i386/i386.c (override_options): Correct warning
207 messages for -malign-loops, -malign-jumps and -malign-functions.
209 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
211 PR target/39152
212 * config/i386/i386.md: Restrict the new peephole2 to move
213 between the general purpose registers.
215 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
217 PR target/39162
218 * config/i386/i386.c (type_natural_mode): Add a new argument.
219 Return the original mode and warn ABI change if vector size is 32byte.
220 (function_arg_advance): Updated.
221 (function_arg): Likewise.
222 (ix86_function_value): Likewise.
223 (ix86_return_in_memory): Likewise.
224 (ix86_sol10_return_in_memory): Likewise.
225 (ix86_gimplify_va_arg): Likewise.
226 (function_arg_32): Don't warn ABX ABI change here.
227 (function_arg_64): Likewise.
229 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
231 * loop-iv.c (implies_p): In the final case, test that operands 0
232 of the two comparisons match.
234 * config/bfin/bfin.c (find_prev_insn_start): New function.
235 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
236 (find_next_insn_start): Move.
238 2009-02-13 Richard Guenther <rguenther@suse.de>
240 * configure.ac: Enable LFS.
241 * configure: Re-generate.
242 * config.in: Likewise.
244 2009-02-13 Joseph Myers <joseph@codesourcery.com>
246 PR c/35444
247 * c-parser.c (c_parser_parms_list_declarator): Discard pending
248 sizes on syntax error after some arguments have been parsed.
250 2009-02-12 Jakub Jelinek <jakub@redhat.com>
252 * doc/invoke.texi (-fira): Remove.
254 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
256 * caller-save.c: Replace regclass.c with reginfo.c in comments.
257 * recog.c: Likewise.
258 * rtl.h: Likewise.
260 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
262 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
263 (umul_ppmm): Likewise.
264 (count_leading_zeros): Likewise.
265 (count_trailing_zeros): Likewise.
266 (UMUL_TIME): Likewise.
268 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
270 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
271 soft-fp/t-softfp to tmake_file.
273 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
274 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
275 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
276 IA64_BUILTIN_INFQ]: New.
277 (ia64_init_builtins): Initialize __builtin_infq,
278 __builtin_fabsq and __builtin_copysignq if not HPUX.
279 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
280 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
282 * config/ia64/lib1funcs.asm (__divtf3): Define only if
283 SHARED is defined.
284 (__fixtfti): Likewise.
285 (__fixunstfti): Likewise.
286 (__floattitf): Likewise.
288 * config/ia64/libgcc-glibc.ver: New.
289 * config/ia64/t-fprules-softfp: Likewise.
290 * config/ia64/sfp-machine.h: Likewise.
292 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
293 (LIBGCC2_TF_CEXT): Likewise.
294 (TF_SIZE): Likewise.
295 (TARGET_INIT_LIBFUNCS): Likewise.
297 * config/ia64/t-glibc (SHLINB_MAPFILES):
298 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
300 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
302 * config/i386/i386.c (construct_container): Rewrite processing
303 BLKmode with X86_64_SSE_CLASS.
305 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
307 PR target/39152
308 * config/i386/i386.md: Replace simplify_replace_rtx with
309 replace_rtx in the new peephole2.
311 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
313 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
314 loop unrolling do not happen at -O2.
316 2009-02-12 Michael Matz <matz@suse.de>
318 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
320 2009-02-12 Jakub Jelinek <jakub@redhat.com>
322 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
323 for -g3.
325 2009-02-12 Ben Elliston <bje@au.ibm.com>
327 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
328 patterns when updating the back chain. Missed in the 2009-02-10
329 change.
331 2009-02-11 Janis Johnson <janis187@us.ibm.com>
333 * doc/extend.texi (Decimal Floating Types): Update identifier of
334 draft TR and list of missing support.
336 2009-02-11 Jakub Jelinek <jakub@redhat.com>
338 PR middle-end/39154
339 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
340 bit to variable length decl's flags, add it also to its
341 pointer replacement variable.
343 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
344 Jakub Jelinek <jakub@redhat.com>
346 PR target/39118
347 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
348 (memory_blockage): New expander.
349 (*memory_blockage): New insn pattern.
350 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
351 instead of general blockage at the end of function prologue when
352 frame pointer is used to access red zone area. Do not emit blockage
353 when profiling, it is emitted in generic code.
354 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
355 function epilogue when frame pointer is used to access red zone area.
357 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
359 PR target/38824
360 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
361 by arithmetic with memory operands.
362 * config/i386/predicates.md (commutative_operator): New.
364 2009-02-10 Janis Johnson <janis187@us.ibm.com>
366 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
367 bulleted lists.
369 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
371 * alias.h (record_alias_subset): Declare.
372 * alias.c (record_alias_subset): Make global.
374 2009-02-10 Nick Clifton <nickc@redhat.com>
376 * tree-parloops.c: Change license to GPLv3.
377 * ipa-struct-reorg.c: Change license to GPLv3.
378 * ipa-struct-reorg.h: Change license to GPLv3.
380 2009-02-10 Steve Ellcey <sje@cup.hp.com>
382 PR c/39084
383 * c-decl.c (start_struct): Return NULL on error.
385 2009-02-10 Jakub Jelinek <jakub@redhat.com>
387 PR middle-end/39124
388 * cfgloopmanip.c (remove_path): Call remove_bbs after
389 cancel_loop_tree, not before it.
391 PR target/39139
392 * function.h (struct function): Add has_local_explicit_reg_vars bit.
393 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
394 VAR_DECLs were seen.
395 * tree-ssa-live.c (remove_unused_locals): Recompute
396 cfun->has_local_explicit_reg_vars.
397 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
398 copies or clearings if cfun->has_local_explicit_reg_vars.
400 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
402 PR target/39118
403 * config/i386/i386.c (expand_prologue): Emit blockage at the end
404 of function prologue when frame pointer is used to access
405 red zone area.
407 2009-02-10 Richard Guenther <rguenther@suse.de>
409 PR middle-end/39127
410 * gimplify.c (gimple_regimplify_operands): Always look if
411 we need to create a temporary.
413 2009-02-10 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/39132
416 * tree-loop-distribution.c (todo): New global var.
417 (generate_memset_zero): Trigger TODO_rebuild_alias.
418 (tree_loop_distribution): Return todo.
420 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
422 PR target/39119
423 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
424 (x86_64_reg_class_name): Removed.
425 (classify_argument): Return 0 if bytes > 32. Return 0 if the
426 first one isn't X86_64_SSE_CLASS or any other ones aren't
427 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
428 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
429 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
430 and 3 X86_64_SSEUP_CLASS.
431 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
432 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
434 2009-02-10 Ben Elliston <bje@au.ibm.com>
436 * config/rs6000/rs6000.md (allocate_stack): Always use an update
437 form instruction to update the stack back chain word, even if the
438 user has disabled the generation of update instructions.
439 (movdi_<mode>_update_stack): New.
440 (movsi_update_stack): Likewise.
441 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
442 always use an update form instruction to update the stack back
443 chain word.
445 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
447 PR middle-end/38953
448 * graphite.c (if_region_set_false_region): After moving a region in
449 the false branch of a condition, remove the empty dummy basic block.
450 (gloog): Remove wrong fix for PR38953.
452 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
454 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
455 generation due to implicit sign extension.
457 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
459 PR middle-end/38981
460 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
461 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
463 2009-02-09 Richard Guenther <rguenther@suse.de>
465 PR middle-end/35202
466 * convert.c (convert_to_real): Disable (float)fn((double)x)
467 to fnf(x) conversion if errno differences may occur and
468 -fmath-errno is set.
470 2009-02-07 Anatoly Sokolov <aesok@post.ru>
472 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
473 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
474 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
476 2009-02-06 Joseph Myers <joseph@codesourcery.com>
478 PR c/35434
479 * c-common.c (handle_alias_attribute): Disallow attribute for
480 anything not a FUNCTION_DECL or VAR_DECL.
482 2009-02-06 Janis Johnson <janis187@us.ibm.com>
484 PR c/39035
485 * real.c (do_compare): Special-case compare of zero against
486 decimal float value.
488 2009-02-06 Joseph Myers <joseph@codesourcery.com>
490 PR c/36432
491 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
492 as indicating flexible array members unless the field itself is
493 being declarared as the incomplete array.
495 2009-02-06 Jan Hubicka <jh@suse.cz>
497 PR tree-optimization/38844
498 * ipa-inline.c (try_inline): Stop inlining recursion when edge
499 is already inlined.
501 2009-02-06 Richard Guenther <rguenther@suse.de>
503 PR middle-end/38977
504 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
505 fork because we may expand it as __gcov_fork.
507 2009-02-06 Nick Clifton <nickc@redhat.com>
509 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
511 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
513 PR tree-optimization/35659
514 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
515 vn_phi_eq): Shortcut if hashcode does not match.
516 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
517 NULL operands.
518 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
519 and avoid iterative_hash_expr.
520 (FOR_EACH_VALUE_ID_IN_SET): New.
521 (value_id_compare): Remove.
522 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
523 sort expressions by value id.
525 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
527 PR target/38991
528 * config/sh/predicates.md (general_movsrc_operand): Don't check
529 the subreg of system registers here.
531 2009-02-05 Jakub Jelinek <jakub@redhat.com>
533 PR c++/39106
534 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
535 on the copied decl.
537 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
539 PR rtl-optimization/39110
540 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
541 addresses, not aligned ones.
543 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
544 Richard Guenther <rguenther@suse.de>
546 PR tree-optimization/39100
547 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
548 comment says and add edges.
550 2009-02-05 Joseph Myers <joseph@codesourcery.com>
552 PR c/35435
553 * c-common.c (handle_tls_model_attribute): Ignore attribute for
554 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
556 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
558 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
559 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
560 register_bb_in_sese, new_sese, free_sese): Moved.
561 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
562 outermost_loop_in_scop, build_scop_iteration_domain,
563 expand_scalar_variables_ssa_name, get_vdef_before_scop,
564 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
565 Use loop_in_sese_p instead of loop_in_scop_p.
566 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
567 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
568 (scopdet_basic_block_info): Fix bug in scop detection.
569 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
570 eq_loop_to_cloog_loop): Remove.
571 (nb_loops_around_loop_in_scop, nb_loop
572 ref_nb_loops): Moved here...
573 * graphite.h (ref_nb_loops): ... from here.
574 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
575 (loop_domain_dim, loop_iteration_vector_dim): Remove.
576 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
577 * testsuite/gcc.dg/graphite/scop-19.c: New
579 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
580 Hans-Peter Nilsson <hp@axis.com>
582 PR rtl-optimization/37889
583 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
584 Move offset handling from PLUS to before the switch. Use new
585 arguments when considering SYMBOL_REFs too.
586 (rtx_addr_can_trap_p): Pass dummy offset and size.
587 (enum may_trap_p_flags): Remove.
588 (may_trap_p_1): Pass size from MEM_SIZE.
590 PR rtl-optimization/38921
591 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
592 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
593 * rtlanal.c (may_trap_after_code_motion_p): Delete.
594 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
596 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
598 AVX Programming Reference (January, 2009)
599 * config/i386/sse.md (*vpclmulqdq): New.
601 2009-02-04 Jakub Jelinek <jakub@redhat.com>
603 PR tree-optimization/38977
604 PR gcov-profile/38292
605 * calls.c (special_function_p): Disregard __builtin_ prefix.
607 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
609 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
610 non-indexable addresses even before reload.
612 2009-02-03 Joseph Myers <joseph@codesourcery.com>
614 PR c/29129
615 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
616 as having variable size. Do not give an error for unnamed
617 parameters with [*] declarators. Give a warning for type names
618 with [*] declarators and mark them as variable size.
619 * c-parser.c (c_parser_sizeof_expression): Do not give an error
620 for sizeof applied to [*] type names.
622 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
624 PR C++/36607
625 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
627 2009-02-03 Jakub Jelinek <jakub@redhat.com>
629 * gcc.c (process_command): Update copyright notice dates.
630 * gcov.c (print_version): Likewise.
631 * gcov-dump.c (print_version): Likewise.
632 * mips-tfile.c (main): Likewise.
633 * mips-tdump.c (main): Likewise.
635 2009-02-03 Joseph Myers <joseph@codesourcery.com>
637 PR c/35433
638 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
639 for composite type involving a zero-length array type.
641 2009-02-03 Jakub Jelinek <jakub@redhat.com>
643 PR target/35318
644 * function.c (match_asm_constraints_1): Skip over
645 initial optional % in the constraint.
647 PR inline-asm/39059
648 * c-parser.c (c_parser_postfix_expression): If fixed point is not
649 supported, don't accept FIXED_CSTs.
650 * c-decl.c (finish_declspecs): Error if fixed point is not supported
651 and _Sat is used without _Fract/_Accum. Set specs->type to
652 integer_type_node for cts_fract/cts_accum if fixed point is not
653 supported.
655 2009-02-02 Catherine Moore <clm@codesourcery.com>
657 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
659 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
661 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
662 (ABI_HAS_64BIT_SYMBOLS): Use it.
663 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
665 2009-02-02 Paul Brook <paul@codesourcery.com>
667 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
669 2009-02-02 Jakub Jelinek <jakub@redhat.com>
671 PR inline-asm/39058
672 * recog.h (asm_operand_ok): Add constraints argument.
673 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
674 recurse on matching constraint.
675 (check_asm_operands): Pass constraints as 3rd argument to
676 asm_operand_ok. Don't look up matching constraint here.
677 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
678 to asm_operand_ok.
680 2009-02-02 Ben Elliston <bje@au.ibm.com>
682 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
683 TARGET_NARROW_VOLATILE_BITFIELD macro names.
685 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
687 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
688 information. Remove some obsolete information. Reorganize.
690 * config/pa/fptr.c: Revert license to GPL 2.
691 * config/pa/milli64.S: Likewise.
693 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
695 PR target/38904
696 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
697 LIBRARY name in, instead of hard-coding it.
698 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
699 extra target make frag to tmake_files according to EH model.
700 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
701 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
702 frags that define makefile variable EH_MODEL appropriately.
703 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
704 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
705 to "-sjlj" according to type of EH configured.
706 (LIBGCC_SONAME): Concatenate it to shared library base name.
707 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
708 to "_sjlj" according to type of EH configured.
709 (LIBGCC_SONAME): Concatenate it to shared library base name.
710 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
711 (SHLIB_LINK): Add missing semicolon to if-else construct.
712 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
713 string value of "pe_dll" command-line option.
714 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
715 (SHLIB_SONAME): Use it when overriding t-cygming default.
716 (SHLIB_IMPLIB): Override t-cygming default.
717 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
718 string value of "pe_dll" command-line option.
720 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
722 PR target/38952
723 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
724 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
726 2009-01-31 Richard Guenther <rguenther@suse.de>
728 PR tree-optimization/38937
729 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
730 computing the transitive closure.
732 2009-01-30 Richard Guenther <rguenther@suse.de>
734 PR tree-optimization/39041
735 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
736 Propagate variable indices only if the types match for this stmt.
738 2009-01-30 Jakub Jelinek <jakub@redhat.com>
740 PR target/39013
741 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
742 inline but never defined.
744 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
746 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
747 (*insv_h_di_reg_extimm): New insn.
748 (*insv_l<mode>_reg_extimm): New insn.
750 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
752 * config/picochip/picochip.c (flag_conserve_stack): set
753 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
754 fconserve-stack. Reduce call-overhead used by inliner.
756 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
758 PR/38157
759 * common.opt (flag_conserve_stack): Initialised to zero.
761 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
763 PR/39002
764 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
765 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
766 method.
768 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
770 * ira-color.c (allocno_reload_assign): Update comments.
771 * regmove.c (regmove_optimize): Likewise.
773 * ra.h: Removed.
775 2009-01-29 Robert Millan <rmh@aybabtu.com>
777 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
778 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
779 `MD_UNWIND_SUPPORT'.
780 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
782 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
784 PR tree-optimization/39007
785 * tree-loop-distribution.c (generate_builtin): Use
786 recompute_dominator to compute the immediate dominator of the
787 basic block just after the loop.
789 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
791 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
792 (ASM_OUTPUT_DWARF_PCREL): Define.
794 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
796 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
797 * doc/passes.texi: Remove entries about regclass, local-alloc, and
798 global. Modify entries about regmove and IRA.
800 * ra-conflict.c: Remove the file.
802 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
804 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
805 (pass_regclass_init): Rename to pass_reginfo_init.
807 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
809 * toplev.h (flag_ira): Remove.
811 * caller-save.c (setup_save_areas): Remove flag_ira.
813 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
815 * global.c: Remove the file.
817 * opts.c: (decode_options): Remove flag_ira.
819 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
821 * regmove.c: Modify file description.
822 (find_use_as_address, try_auto_increment): Define them only if
823 AUTO_INC_DEC is defined.
824 (replacement_quality, replace_in_call_usage, fixup_match_1,
825 stable_and_no_regs_but_for_p): Remove.
826 (reg_set_in_bb): Make it static.
827 (regmove_optimize): Remove flag_ira and code which worked for
828 !flag_ira.
830 * local-alloc.c: Remove the file.
832 * common.opt (fira): Remove.
834 * ira.c: Include except.h.
835 (eliminable_regset): Move from global.c.
836 (mark_elimination): Ditto. Remove flag_ira.
837 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
838 equiv_mem_modified, validate_equiv_mem_from_store,
839 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
840 contains_replace_regs, memref_referenced_p, memref_used_between_p,
841 no_equiv, recorded_label_ref): Move from local-alloc.c.
842 (update_equiv_regs): Ditto. Make it static.
843 (print_insn_chain, print_insn_chains): Move it from global.c.
844 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
845 (build_insn_chain): Ditto. Make it static.
846 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
847 Rename to init_live_subregs.
848 (gate_ira): Remove flag_ira.
850 * regclass.c: Rename reginfo.c. Change file description.
851 (FORBIDDEN_INC_DEC_CLASSES): Remove.
852 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
853 (init_reg_sets_1): Remove code for evaluation of
854 reg_class_superclasses and losing_caller_save_reg_set.
855 (init_regs): Remove init_reg_autoinc.
856 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
857 ok_for_base_p_nonstrict): Remove.
858 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
859 (pass_regclass_init): Rename to pass_reginfo_init. Modify
860 corresponding entries.
861 (dump_regclass, record_operand_costs, scan_one_insn,
862 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
863 record_address_regs, auto_inc_dec_reg_p): Remove.
864 (gt-regclass.h): Rename to gt-reginfo.h.
866 * rtl.h (dump_global_regs, retry_global_alloc,
867 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
869 * Makefile.in (RA_H): Remove.
870 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
871 Rename regclass.o to reginfo.o.
872 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
873 gt-reginfo.h.
874 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
875 (GTFILES): Rename regclass.c to reginfo.c.
877 * passes.c (init_optimization_passes): Remove pass_local_alloc and
878 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
880 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
881 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
882 Remove flag_ira.
883 (finish_spills): Ditto. Remove code for !flag_ira.
885 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
887 PR middle-end/35854
888 * doc/invoke.texi (rtl debug options): Complete rewrite.
889 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
890 to auto_inc_dec".
891 * mode-switching.c (pass_mode_switching): Rename pass from
892 "mode-sw" to "mode_sw".
893 * except.c (pass_convert_to_eh_ranges): Rename pass from
894 "eh-ranges" to "eh_ranges".
895 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
896 to "subreg1".
899 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
900 Alexander Monakov <amonakov@ispras.ru>
902 PR middle-end/38857
903 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
904 register.
905 (move_exprs_to_boundary): Change return type and pass through
906 should_move from move_op. Relax assert. Update usage ...
907 (schedule_expr_on_boundary): ... here. Use should_move instead of
908 cant_move.
909 (move_op_orig_expr_found): Indicate that insn was disconnected from
910 stream.
911 (code_motion_process_successors): Do not call after_merge_succs
912 callback if original expression was not found when traversing any of
913 the branches.
914 (code_motion_path_driver): Change return type. Update prototype.
915 (move_op): Update comment. Add a new parameter (should_move). Update
916 prototype. Set *should_move based on indication provided by
917 move_op_orig_expr_found.
919 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
921 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
922 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
923 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
924 * config/rs6000/rs6000.c (rs6000_override_options): Default
925 avoid-indexed-addresses on for Power6, off for everything else.
926 (avoiding_indexed_address_p): New function.
927 (rs6000_legitimize_address): Use it.
928 (rs6000_legitimate_address): Likewise.
929 * config/rs6000/rs6000.md (movXX_updateX): Likewise
931 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
933 PR tree-optimization/38997
934 * tree-loop-distribution.c (generate_memset_zero): Use
935 POINTER_PLUS_EXPR for a pointer addition.
937 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
939 * config/s390/s390.md (bswap<mode>2): New pattern added.
941 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
943 * config/s390/s390.md (*tls_load_31): Added type attribute.
945 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
947 * config/s390/s390.md: Fix a few comments.
949 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
951 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
952 (*tm<mode>_full): Fixed z10prop attribute.
953 (*tst<mode>_extimm): Fixed z10prop attribute.
954 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
955 (*tstqiCCT_cconly): Fixed z10prop attribute.
956 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
957 (*movsi_larl): Fixed z10prop attribute.
958 (*movsi_zarch): Fixed z10prop attribute.
959 (*movsi_eas): Fixed z10prop attribute.
960 (*movhi): Fixed z10prop attribute.
961 (*movqi): Fixed z10prop attribute.
962 (*movstrictqi): Fixed z10prop attribute.
963 (*mov<mode>): Fixed z10prop attribute.
964 (*movcc): Fixed z10prop attribute.
965 (*sethighpartdi_64): Fixed z10prop attribute.
966 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
967 (*negdi2_sign_cc): Fixed z10prop attribute.
968 (*negdi2_sign): Fixed z10prop attribute.
969 (*absdi2_sign_cc): Fixed z10prop attribute.
970 (*absdi2_sign): Fixed z10prop attribute.
971 (*negabsdi2_sign_cc): Fixed z10prop attribute.
972 (*negabsdi2_sign): Fixed z10prop attribute.
973 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
974 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
975 (doloop_si64): Fixed z10prop attribute.
976 (doloop_si31): Fixed z10prop attribute.
977 (doloop_long): Fixed z10prop attribute.
978 (indirect_jump): Fixed z10prop attribute.
979 (nop): Fixed z10prop attribute.
980 (main_base_64): Fixed z10prop attribute.
981 (reload_base_64): Fixed z10prop attribute.
983 2009-01-28 Jakub Jelinek <jakub@redhat.com>
985 PR rtl-optimization/38740
986 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
987 if !optimize.
988 * config/mips/mips.c (mips_reorg): Likewise.
990 2009-01-28 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/38926
993 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
994 with the correct value id to a value.
995 (do_regular_insertion): Use the value number of edoubleprime
996 for the value number of the expr.
998 Revert
999 2008-08-21 Richard Guenther <rguenther@suse.de>
1001 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1002 a PHI ask VN if it is already available.
1003 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1004 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1006 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1008 PR middle-end/38934
1009 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1010 set to varying whenever max has TREE_OVERFLOW set, similarly
1011 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1013 2009-01-28 Richard Guenther <rguenther@suse.de>
1015 PR middle-end/38908
1016 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1017 uninitialized aggregate uses in call arguments.
1019 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1021 PR tree-optimization/38984
1022 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1023 the nothing_id variable if -fno-delete-null-pointer-checks.
1025 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1027 PR target/38988
1028 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1029 (set_got_offset_rex64): Ditto.
1031 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1033 PR target/38941
1034 * doc/extend.texi: Improve local variable with asm reg.
1036 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1038 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1039 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1040 was not supplied then set warn_packed_bitfield_compat to the
1041 default value of 1.
1042 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1043 against 1.
1045 2009-01-27 Richard Guenther <rguenther@suse.de>
1047 PR tree-optimization/38503
1048 * cfgexpand.c (expand_gimple_basic_block): Ignore
1049 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1050 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1051 variables that cannot have TBAA applied.
1052 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1053 statements.
1055 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1057 PR middle-end/38969
1058 * calls.c (initialize_argument_information): Do not wrap complex
1059 arguments in SAVE_EXPR.
1061 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1063 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1064 (INSTALL_LIBGCC): Revert typo commit.
1066 2009-01-26 Richard Guenther <rguenther@suse.de>
1068 PR tree-optimization/38745
1069 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1070 from special handling.
1072 2009-01-26 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/38745
1075 * tree-ssa.c (execute_update_addresses_taken): Do not include
1076 variables that cannot possibly be a register in not_reg_needs.
1077 Do not clear TREE_ADDRESSABLE on vars that may not become
1078 registers.
1079 * tree-ssa.c (update_alias_info_1): Include those in the set
1080 of addressable vars.
1082 2009-01-26 Richard Guenther <rguenther@suse.de>
1084 PR middle-end/38851
1085 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1086 * tree-ssa-dse.c: Include langhooks.h
1087 (execute_simple_dse): Remove stores with zero size.
1089 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1091 PR c/38957
1092 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1093 as PLUS_EXPR.
1095 2009-01-24 Julian Brown <julian@codesourcery.com>
1097 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1098 config/arm/linux-atomic.c.
1099 * config/arm/linux-atomic.c: New.
1101 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1103 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1104 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1105 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1107 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1109 PR c/38938
1110 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1111 properly.
1113 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1115 PR tree-optimization/38953
1116 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1117 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1118 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1119 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1120 changed the CFG.
1122 2009-01-24 Paul Brook <paul@codesourcery.com>
1124 * config/arm/neon.md (neon_type): Move to arm.md.
1125 (neon_mov<VSTRUCT>): Add neon_type attribute.
1126 * config/arm/arm.md (neon_type): Move to here.
1127 (conds): Add "unconditioal" and use as default for NEON insns.
1129 2009-01-24 Ben Elliston <bje@au.ibm.com>
1131 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1132 void *' warning from -Wc++-compat.
1133 * Makefile.in (dominance.o-warn): Remove.
1135 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1137 PR tree-optimization/38932
1138 * fold-const.c (fold_unary_ignore_overflow): New.
1139 * tree.h (fold_unary_ignore_overflow): Declare.
1140 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1141 * tree-ssa-sccvn.c (visit_reference_op_load,
1142 simplify_unary_expression): Likewise.
1144 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1146 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1147 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1148 regardless of their type.
1149 * c-common.c (handle_packed_attribute): Don't ignore packed on
1150 bitfields.
1151 * c.opt (Wpacked-bitfield-compat): New warning option.
1152 * stor-layout.c (place_field): Warn if offset of a field changed.
1153 * doc/extend.texi (packed): Mention the ABI change.
1154 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1155 (Warning Options): Add it to the list.
1157 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1159 * c-opts.c (c_common_post_options): Fix a typo in comments.
1161 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1163 PR middle-end/38615
1164 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1165 variables to static.
1166 * doc/invoke.texi (-fmerge-all-constants): Update description.
1168 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1170 PR target/38931
1171 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1172 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1174 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1176 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1177 a word boundary.
1178 (LOCAL_ALIGNMENT): Similarly.
1180 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1181 Joseph Myers <joseph@codesourcery.com>
1183 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1184 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1185 * config/arm/arm-tune.md: Regenerate.
1186 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1187 -march=iwmmxt2.
1189 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1191 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1192 version number to five.
1194 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1196 PR c++/38930
1197 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1198 * c-common.c (set_underlying_type): Likewise.
1199 (is_typedef_decl ): Likewise
1200 * tree.h: Likewise
1201 (set_underlying_type): Likewise.
1202 (is_typedef_type): Likewise.
1204 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1206 PR middle-end/38587
1207 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1208 crossing setjmps.
1210 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1212 PR bootstrap/37660
1213 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1214 (LIBGCC_SPEC): Don't define.
1215 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1217 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1219 PR rtl-optimization/38879
1220 * alias.c (base_alias_check): Unaligned access via AND address can
1221 alias all surrounding object types except those with sizes equal
1222 or wider than the size of unaligned access.
1224 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1226 PR c++/26693
1227 * c-decl.c: (clone_underlying_type): Move this ...
1228 * c-common.c (set_underlying_type): ... here.
1229 Also, make sure the function properly sets TYPE_STUB_DECL() on
1230 the newly created typedef variant type.
1231 (is_typedef_decl ): New entry point.
1232 * tree.h: Added a new member member_types_needing_access_check to
1233 struct tree_decl_non_common.
1234 (set_underlying_type): New entry point.
1235 (is_typedef_type): Likewise.
1237 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1239 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1240 Check whether two instructions have memory references that
1241 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1242 are helper functions for traversing.
1243 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1244 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1245 not to draw dependency edge for instructions with non-conflicting
1246 alias sets.
1248 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1250 PR other/38758
1251 * longlong.h: Update copyright years. Use soft-fp license notice.
1252 Sync __clz_tab declaration with glibc.
1254 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1256 PR target/30687
1257 * doc/extend.texi (syscall_linkage): New.
1258 (version_id): Modify.
1260 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1261 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/38747
1264 PR tree-optimization/38748
1265 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1266 conversion if the base address is an indirect reference and the
1267 aliasing sets could cause issues.
1269 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1271 * common.opt (fgraphite, fgraphite-identity): Add comment for
1272 explaining why these options are not documented.
1274 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1276 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1277 gimple_call_lhs is NULL.
1279 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1281 PR target/38868
1282 * emit-rtl.c (adjust_address_1): Make sure memref is never
1283 overwritten.
1285 2009-01-20 Ben Elliston <bje@au.ibm.com>
1287 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1288 const qualifier from arg parameter. Remove unnecessary cast to char *.
1289 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1290 const qualifier from arg 2.
1292 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1294 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1296 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1298 PR c/38869
1299 * rtl.h (reinit_regs): New prototype.
1300 * regclass.c: Include ira.h.
1301 (reinit_regs): New.
1302 * Makefile.in (regclass.o): Add ira.h.
1303 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1305 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1307 PR target/38736
1308 * c-common.c (handle_aligned_attribute): Use
1309 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1310 default alignment value.
1312 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1314 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1315 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1317 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1318 __BIGGEST_ALIGNMENT__.
1320 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1322 2009-01-18 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/38819
1325 * tree-flow.h (operation_could_trap_helper_p): Declare.
1326 * tree-eh.c (operation_could_trap_helper_p): Export.
1327 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1328 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1329 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1330 are about to insert a possibly trapping instruction and fail
1331 in this case.
1333 2009-01-18 Andreas Schwab <schwab@suse.de>
1335 * doc/install.texi (Configuration): Remove obsolete paragraph
1336 about use of --with-gnu-ld with --with-gnu-as.
1338 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1340 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1341 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1342 Follow spelling conventions.
1344 2009-01-18 Ben Elliston <bje@au.ibm.com>
1346 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1347 C++ warning about implicit conversion from void * to struct
1348 bitmap_head_def *.
1349 (bitmap_obstack_free): Likewise for bitmap_element *.
1350 * Makefile.in (bitmap.o-warn): Remove.
1352 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1354 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1356 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1357 Tobias Grosser <tobi.grosser@amd.com>
1359 * graphite.c (graphite_trans_scop_block): Do not block single
1360 nested loops.
1362 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1364 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1365 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1366 test with assertion.
1368 2009-01-16 Richard Guenther <rguenther@suse.de>
1370 PR tree-optimization/38835
1371 PR middle-end/36227
1372 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1373 and INT + PTR -> (INT)(PTR p+ INT) folding.
1374 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1376 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1378 PR target/38554
1379 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1380 the subreg from a lowpart subreg if it is also casting the value.
1382 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1383 Tobias Grosser <tobi.grosser@amd.com>
1385 * graphite.c (compare_prefix_loops): New.
1386 (build_scop_canonical_schedules): Rewritten.
1387 (graphite_transform_loops): Move build_scop_canonical_schedules
1388 after build_scop_iteration_domain.
1390 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1391 Tobias Grosser <tobi.grosser@amd.com>
1393 * graphite.c (add_conditions_to_domain): Add the loops to
1394 the dimension of the iteration domain. Do copy the domain
1395 only when it exists.
1396 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1397 (add_conditions_to_constraints): New.
1398 (can_generate_code_stmt, can_generate_code): Removed.
1399 (gloog): Do not call can_generate_code.
1400 (graphite_transform_loops): Call add_conditions_to_constraints
1401 after building the iteration domain.
1403 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1405 PR tree-optimization/38789
1406 * tree-ssa-threadedge.c
1407 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1408 __builtin_constant_p.
1410 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1412 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1413 examined before deleting them.
1415 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1417 * function.c (aggregate_value_p): Correctly extract the function
1418 type from CALL_EXPR_FN lookup.
1420 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1422 * config/picochip/picochip.c (picochip_override_options): Revert
1423 CFI asm flag disable commited previously.
1425 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1426 Tobias Grosser <tobi.grosser@amd.com>
1427 Jan Sjodin <jan.sjodin@amd.com>
1429 * graphite.c (scan_tree_for_params): On substractions negate
1430 all the coefficients of the term.
1431 (clast_to_gcc_expression_red): New. Handle reduction expressions
1432 of more than two operands.
1433 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1434 (get_vdef_before_scop): Handle also the case of default definitions.
1436 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1438 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1439 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1440 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1442 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1443 Joey Ye <joey.ye@intel.com>
1445 PR middle-end/37843
1446 * cfgexpand.c (expand_stack_alignment): Don't update stack
1447 boundary nor check incoming stack boundary here.
1448 (gimple_expand_cfg): Update stack boundary and check incoming
1449 stack boundary here.
1451 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1453 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1455 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1457 PR rtl-optimization/38245
1458 * calls.c (expand_call): Add stack arguments to
1459 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1460 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1461 in regs and partially in memory or BLKmode arguments.
1462 (emit_library_call_value_1): Add stack arguments to
1463 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1464 ACCUMULATE_OUTGOING_ARGS).
1465 * dce.c: Include tm_p.h.
1466 (find_call_stack_args): New function.
1467 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1468 argument.
1469 (mark_insn): Call find_call_stack_args for CALL_Ps.
1470 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1471 forwards. Allocate and free arg_stores bitmap if needed, pass it
1472 down to deletable_insn_p, don't mark stores set in arg_stores
1473 bitmap, clear the bitmap at the beginning of each bb.
1474 * Makefile.in (dce.o): Depend on $(TM_P_H).
1476 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1478 PR target/22599
1479 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1480 to make sure the insn is a conditional test (bug 22599). Reformat a
1481 few long lines.
1483 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1485 PR middle-end/38431
1486 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1487 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1488 (gloog): Do not call cleanup_tree_cfg.
1489 (graphite_transform_loops): Call cleanup_tree_cfg after all
1490 scops have been code generated.
1492 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1493 * doc/gty.texi (Invoking the garbage collector): Added new node
1494 and section documenting ggc_collect.
1496 2009-01-14 Richard Guenther <rguenther@suse.de>
1498 PR tree-optimization/38826
1499 PR middle-end/38477
1500 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1501 initialization notes only if we actually emitted a warning.
1502 (intra_create_variable_infos): Add constraints for a result decl
1503 that is passed by hidden reference.
1504 (build_pred_graph): Mark all related variables non-direct on
1505 address-taking.
1507 2009-01-14 Nick Clifton <nickc@redhat.com>
1509 * ira-conflicts.c: Include addresses.h for the definition of
1510 base_reg_class.
1511 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1512 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1514 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1516 PR target/38811
1517 * Makefile.in (ira-lives.o): Add except.h.
1519 * ira-lives.c: Include except.h.
1520 (process_bb_node_lives): Process can_throw_internal.
1522 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1524 PR rtl-optimization/38774
1525 * combine.c (simplify_set): When undoing cc_use change, don't do
1526 PUT_CODE on the newly created comparison, but instead put back the
1527 old comparison.
1529 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1531 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1532 values. Remove duplicate arm8 entry.
1534 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1536 PR tree-optimization/38786
1537 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1538 the SSA_NAME case of expand_scalar_variables_expr.
1539 Set the type of an expression to the type of its assign statement.
1540 (expand_scalar_variables_expr): Also gather the scalar computation
1541 used to index the memory access. Do not pass loop_p.
1542 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1543 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1544 the gimple_stmt_iterator where it inserts new code.
1545 Do not pass loop_p.
1546 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1547 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1549 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1551 * graphite.h (debug_value): Removed.
1552 * graphite.c (debug_value): Removed.
1554 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1556 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1557 ldrd/strd with two 32-bit instructions.
1559 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1561 * config/arm/arm.c (struct processors): Pass for speed down into
1562 cost helper functions.
1563 (const_ok_for_op): Handle COMPARE and inequality nodes.
1564 (arm_rtx_costs_1): Rewrite.
1565 (arm_size_rtx_costs): Update prototype.
1566 (arm_rtx_costs): Pass speed down to helper functions.
1567 (arm_slowmul_rtx_costs): Rework cost calculations.
1568 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1569 (arm_9e_rtx_costs): Likewise.
1571 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1573 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1574 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1575 (alpha_legitimize_address): Do not split local symbols wider than
1576 UNITS_PER_WORD into HIGH/LO_SUM parts.
1578 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1580 PR bootstrap/38580
1581 * gcc.c (process_command): Replace call to execvp with calls
1582 to pex_one and exit.
1584 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1586 PR target/29141
1587 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1588 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1589 variant for devices with 3-byte PC.
1590 (__tablejump_elpm__) : New.
1592 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1594 PR c/32041
1595 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1596 offsetof member-designator, handle it as `[0].'.
1598 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1600 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1601 function when not using named sections on targets with named sections
1602 if branch distance is less than 262132.
1604 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1606 * combine.c (combine_instructions): Recompute
1607 optimize_this_for_speed_p for each BB in the main combine loop.
1609 2009-01-12 Tomas Bily <tbily@suse.cz>
1611 PR middlend/38385
1612 * tree-loop-distribution.c (prop_phis): New function.
1613 (generate_builtin): Call prop_phis.
1614 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1616 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1618 PR tree-optimization/38807
1619 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1620 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1622 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1624 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1625 subreg of op0 to the original op0.
1627 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1629 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1631 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1633 PR debug/7055
1634 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1635 starting with digits.
1637 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1639 PR target/38695
1640 * config/arm/arm.c (arm_is_long_call_p): Don't call
1641 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1643 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1645 * regrename.c (regrename_optimize): Fix dumping.
1646 (find_oldest_value_reg): Preserve REG_POINTER.
1647 (copy_hardreg_forward_1): Likewise.
1649 2009-01-09 Diego Novillo <dnovillo@google.com>
1651 * gimple.h (struct gimple_statement_base) <uid>: Document
1652 the restrictions on its use.
1653 (gimple_uid): Tidy.
1654 (gimple_set_uid): Tidy.
1656 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1658 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1659 zero guard even if align_bytes != 0 and count is smaller than
1660 size_needed.
1662 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1664 PR rtl-optimization/38495
1665 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1666 (add_range_and_copies_from_move_list): Print all added ranges.
1667 Add ranges to memory optimized destination.
1669 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1671 PR target/38686
1672 PR target/38708
1673 * config/i386/i386.c (override_options): Reject
1674 -mstringop-strategy=rep_8byte with -m32.
1675 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1676 to 1. Do count comparison against epilogue_size_needed at compile
1677 time even when count_exp was constant forced into register. For
1678 size_needed don't jump to epilogue, instead just avoid aligning
1679 and invoke the body algorithm. If need_zero_guard, add zero guard
1680 even if count is non-zero, but smaller than size_needed + number of
1681 bytes that could be stored for alignment.
1682 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1683 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1684 but smaller than size_needed + number of bytes that could be stored
1685 for alignment. Compare size_needed with epilogue_size_needed instead
1686 of desired_align - align, don't adjust size_needed, pass
1687 epilogue_size_needed to the epilogue expanders.
1689 PR c/35742
1690 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1692 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1694 * pa.c (last_address): Change to unsigned.
1695 (update_total_code_bytes): Change argument to unsigned. Don't
1696 check if insn addresses are set.
1697 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1698 addresses are not set.
1699 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1701 2009-01-09 Nick Clifton <nickc@redhat.com>
1703 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1704 DECL_DECLARED_INLINE_P.
1706 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1708 PR middle-end/38347
1709 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1710 GET_MODE (op0) in operand_subword_force calls.
1712 PR middle-end/38771
1713 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1714 fold_convert arg0 operands to TREE_TYPE (op0) first.
1716 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1718 * params.def (ira-max-conflict-table-size): Decrease default value
1719 to 1000.
1721 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1723 PR tree-optimization/37031
1724 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1725 on parameter_set.
1726 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1727 allocate it using gc instead of heap, use VEC_quick_push instead of
1728 VEC_safe_push.
1729 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1730 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1731 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1732 allocated vector from heap allocated.
1733 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1734 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1735 vector only after perfect_loop_nest_depth call.
1737 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1738 Jan Sjodin <jan.sjodin@amd.com>
1740 PR tree-optimization/38559
1741 * graphite.c (debug_value, copy_constraint,
1742 swap_constraint_variables, scale_constraint_variable, ): New.
1743 (get_lower_bound, get_upper_bound): Removed.
1744 (graphite_trans_bb_strip_mine): Clean up this code that works
1745 only for constant number of iterations. Fully copy upper and
1746 lower bound constraints, not only the constant part of them.
1747 * graphite.h (debug_value): Declared.
1749 2009-01-08 Ira Rosen <irar@il.ibm.com>
1751 PR tree-optimization/37194
1752 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1753 Don't add the cost of cost model guard in prologue to scalar
1754 outside cost in case of known number of iterations.
1756 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1757 Alan Modra <amodra@bigpond.net.au>
1759 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1760 non-word-aligned REG+CONST addressing.
1762 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1764 PR target/38706
1765 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1766 free_after_compilation when outputting a thunk.
1767 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1768 Do not call free_after_compilation here.
1770 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1772 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1773 (ix86_valid_target_attribute_inner_p): Ditto.
1775 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1777 PR tree-optimization/38492
1778 PR tree-optimization/38498
1779 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1780 * tree-chrec.h (scev_is_linear_expression): Declared.
1781 * graphite.c (graphite_cannot_represent_loop_niter): New.
1782 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1783 (graphite_loop_normal_form): Use gcc_assert.
1784 (scan_tree_for_params): Use CASE_CONVERT.
1785 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1786 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1787 Use gcc_assert. Discard scops that contain unhandled cases.
1788 (build_scop_conditions): Return a boolean status for unhandled cases.
1789 (strip_mine_profitable_p): Print the loop number, not its depth.
1790 (is_interchange_valid): Pass the depth of the loop nest, don't
1791 recompute it wrongly.
1792 (graphite_trans_bb_block): Same.
1793 (graphite_trans_bb_block): Print tentative of loop blocking.
1794 (graphite_trans_scop_block): Do not print that the loop has been
1795 blocked.
1796 (graphite_transform_loops): Do not handle scops that contain condition
1797 scalar phi nodes.
1799 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1801 AVX Programming Reference (December, 2008)
1802 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1803 (_mm256_stream_pd): Likewise.
1804 (_mm256_stream_ps): Likewise.
1806 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1807 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1808 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1809 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1810 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1811 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1812 (ix86_expand_special_args_builtin): Likewise.
1814 * config/i386/sse.md (AVXMODEDI): New.
1815 (avx_movnt<mode>): Likewise.
1816 (avx_movnt<mode>): Likewise.
1817 (<sse>_movnt<mode>): Remove AVX support.
1818 (sse2_movntv2di): Likewise.
1820 2009-01-07 Richard Guenther <rguenther@suse.de>
1822 PR middle-end/38751
1823 * fold-const.c (extract_muldiv): Remove obsolete comment.
1824 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1825 to PLUS_EXPR canonicalization for the canonicalization.
1827 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1829 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1830 hosted cross-compilers generating less efficient code.
1832 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1834 * function.h (rtl_data): Add a dbr_scheduled_p field.
1835 * reorg.c (dbr_schedule): Set it.
1836 (gate_handle_delay_slots): Check it.
1837 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1838 (mips_reorg): Check flag_delayed_branch instead of
1839 mips_base_delayed_branch.
1840 (mips_override_options): Don't set mips_base_delayed_branch
1841 or flag_delayed_branch.
1843 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1845 PR rtl-optimization/38426.
1846 * ira.c (ira): Set current_function_is_leaf earlier.
1848 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1850 PR rtl-optimization/38722
1851 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1852 too early, only set a flag and modify after last possible
1853 undo_all point.
1855 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1857 PR c/34252
1858 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1859 * real.c (decimal_single_format): Correct values of emin and emax.
1860 (decimal_double_format): Ditto.
1861 (decimal_quad_format): Ditto.
1862 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1863 computation of DECnn_MIN and DECnn_MAX for corrected values of
1864 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1865 __DECnn_MIN__, and adjust its computation for the corrected value
1866 of emin.
1868 2009-01-06 Jan Hubicka <jh@suse.cz>
1870 PR target/38744
1871 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1873 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1875 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1876 Add Robert Clark to the list of testers.
1878 2009-01-06 Jan Hubicka <jh@suse.cz>
1879 Kai Tietz <kai.tietz@onevision.com>
1881 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1882 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1884 2009-01-06 Jan Hubicka <jh@suse.cz>
1885 Kai Tietz <kai.tietz@onevision.com>
1887 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1888 for w64 ABI.
1889 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1890 (ix86_nsaved_regs): Count only general purpose regs.
1891 (ix86_nsaved_sseregs): New.
1892 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1893 to 16 for w64; compute padding and size of sse reg save area.
1894 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1895 general purpose regs.
1896 (ix86_emit_save_sse_regs_using_mov): New.
1897 (ix86_expand_prologue): Save SSE regs if needed.
1898 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1899 (ix86_emit_restore_sse_regs_using_mov): New.
1900 (ix86_expand_epilogue): Save SSE regs if needed.
1902 2009-01-06 Jan Hubicka <jh@suse.cz>
1903 Kai Tietz <kai.tietz@onevision.com>
1905 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1906 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1907 functions when accumulate outgoing args is off.
1909 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1911 PR bootstrap/38742
1912 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1913 before using pseudos_have_intersected_live_ranges_p.
1915 * ira-int.h (ira_assert): Always define.
1917 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1919 AVX Programming Reference (December, 2008)
1920 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1921 (_mm256_permute2_pd): Likewise.
1922 (_mm_permute2_ps): Likewise.
1923 (_mm256_permute2_ps): Likewise.
1924 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1925 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1927 * config/i386/i386.c (ix86_builtins): Remove
1928 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1929 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1930 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1931 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1932 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1933 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1934 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1935 __builtin_ia32_vpermil2ps256.
1936 (ix86_init_mmx_sse_builtins): Updated.
1937 (ix86_expand_args_builtin): Likewise.
1939 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1941 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1942 long absolute calls when generating PA 2.0 code.
1944 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1946 PR rtl-optimization/38583
1947 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1949 * params.def (ira-max-conflict-table-size): New.
1951 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1953 * ira.h (ira_conflicts_p): New external definition.
1955 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1956 table. Report this. Return result of building.
1957 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1958 building conflict table.
1960 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1961 (ira_color): Use ira_conflicts_p.
1963 * global.c: Include ira.h.
1964 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1965 ira_conflicts_p.
1967 * Makefile.in (global.o): Add ira.h.
1969 * ira-build.c (mark_all_loops_for_removal,
1970 propagate_some_info_from_allocno): New.
1971 (remove_unnecessary_allocnos): Call
1972 propagate_some_info_from_allocno.
1973 (remove_low_level_allocnos): New.
1974 (remove_unnecessary_regions): Add parameter. Call
1975 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1976 parameter to remove_unnecessary_regions.
1977 (ira_build): Remove all regions but root if the conflict table was
1978 not built. Update conflict hard regs for allocnos crossing calls.
1980 * ira.c (ira_conflicts_p): New global.
1981 (ira): Define and use ira_conflicts_p.
1983 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1984 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1985 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1987 2009-01-06 Ben Elliston <bje@au.ibm.com>
1989 * gengtype-lex.l (YY_NO_INPUT): Define.
1991 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1993 PR c/34911
1994 * c-common.c (handle_vector_size_attribute): Also reject
1995 BOOLEAN_TYPE types.
1997 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1999 PR tree-optimization/38492
2000 * graphite.c (rename_map_elt, debug_rename_elt,
2001 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2002 rename_map_elt_info, eq_rename_map_elts,
2003 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2004 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2005 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2006 (sese_build_livein_liveouts): New.
2007 (new_sese, free_sese): New.
2008 (new_scop): Call new_sese.
2009 (free_scop): Call free_sese.
2010 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2011 (register_old_new_names): Renamed register_old_and_new_names.
2012 (register_scop_liveout_renames, add_loop_exit_phis,
2013 insert_loop_close_phis, struct igp,
2014 default_liveout_before_guard, add_guard_exit_phis,
2015 insert_guard_phis, copy_renames): New.
2016 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2017 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2018 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2019 (scop_adjust_phis_for_liveouts): New.
2020 (gloog): Call scop_adjust_phis_for_liveouts.
2022 * graphite.h (struct sese): Documented. Added fields liveout,
2023 num_ver and livein.
2024 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2025 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2026 (struct scop): Added field liveout_renames.
2027 (SCOP_LIVEOUT_RENAMES): New.
2029 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2031 PR tree-optimization/38510
2032 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2033 (translate_clast): Call recompute_all_dominators before
2034 graphite_verify.
2035 (gloog): Call recompute_all_dominators before graphite_verify.
2037 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2038 Jan Sjodin <jan.sjodin@amd.com>
2040 PR tree-optimization/38500
2041 * graphite.c (create_sese_edges): Call fix_loop_structure after
2042 splitting blocks.
2044 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2046 * config.gcc: Add m32r*-*-rtems*.
2047 * config/m32r/rtems.h: New file.
2049 2009-01-05 Ben Elliston <bje@au.ibm.com>
2051 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2052 (.po.pox): Likewise.
2053 (po/gcc.pot): Likewise.
2055 2009-01-04 David S. Miller <davem@davemloft.net>
2057 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2058 (STARTING_FRAME_OFFSET): Always set to zero.
2060 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2062 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2063 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2064 fixed-point types, and vectors of the same.
2066 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2068 * config/mips/sync.md (*mb_barrier): Rename to...
2069 (*memory_barrier): ...this.
2071 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2073 * doc/extend.texi (Function Attributes): Move @cindex after @item
2074 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2075 and put in alphabetical order. Fix 'target' name and put in order.
2076 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2077 typos.
2079 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2081 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2082 (memory_barrier): Expand as unspec instead of unspec_volatile.
2083 Remove mem:BLK from insn operands. Use Pmode scratch register.
2084 (*memory_barrier): Define as unspec instead of unspec_volatile.
2085 Use (match_dup 0) as input operand.
2087 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2088 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2089 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2090 scratch register. Remove operand 1.
2091 (*stbar): Define as unspec instead of unspec_volatile.
2092 Use (match_dup 0) as input operand, remove (const_int 8).
2093 (*membar): Define as unspec instead of unspec_volatile.
2094 Use (match_dup 0) as input operand, remove input operand 2.
2096 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2097 (memory_barrier): Expand as unspec instead of unspec_volatile.
2098 Remove mem:BLK from insn operands. Use Pmode scratch register.
2099 (*memory_barrier): Define as unspec instead of unspec_volatile.
2100 Use (match_dup 0) as input operand.
2102 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2103 Remove mem:BLK from insn operands. Use Pmode scratch register.
2104 Set volatile flag on operand 0.
2105 (*memory_barrier): New insn pattern.
2107 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2108 insn operands.
2109 (*memory_barrier): Use (match_dup 0) as input operand.
2111 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2112 Remove mem:BLK from insn operands. Use Pmode scratch register.
2113 Set volatile flag on operand 0.
2114 (*mb_internal): New insn pattern.
2116 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2118 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2120 PR middle-end/38586
2121 * function.c (struct temp_slot): Move to the section of the file
2122 that deals with temp slots. Remove field 'address'.
2123 (temp_slot_address_table): New hash table of address -> temp slot.
2124 (struct temp_slot_address_entry): New struct, items for the table.
2125 (temp_slot_address_compute_hash, temp_slot_address_hash,
2126 temp_slot_address_eq, insert_temp_slot_address): Support functions
2127 for the new table.
2128 (find_temp_slot_from_address): Rewrite to use the new hash table.
2129 (remove_unused_temp_slot_addresses): Remove addresses of temp
2130 slots that have been made available.
2131 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2132 worker function for remove_unused_temp_slot_addresses.
2133 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2134 Add the temp slot address to the address -> temp slot map.
2135 (update_temp_slot_address): Update via insert_temp_slot_address.
2136 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2137 (pop_temp_slots): Likewise.
2138 (init_temp_slots): Allocate the address -> temp slot map, or empty
2139 the map if it is already allocated.
2140 (prepare_function_start): Initialize temp slot processing.
2142 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2144 PR middle-end/38584
2145 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2146 Calculate the size of all stack vars assuming no packing of stack
2147 vars will happen, replacing a quadratic algorithm with a linear one.
2149 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2151 PR target/38707
2152 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2153 can't be used.
2155 2009-01-03 Diego Novillo <dnovillo@google.com>
2157 * doc/contrib.texi: Update contributions.
2159 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2161 PR c++/38705
2162 * builtins.c (fold_builtin_memory_op): Give up if either operand
2163 is volatile. Set srctype or desttype to non-qualified version
2164 of the other type.
2166 PR c/38700
2167 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2168 and FUNCTION_DECLs.
2170 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2172 PR rtl-optimization/35805
2173 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2174 problem if fast dce is able to remove any instructions.
2175 * dce.c (dce_process_block): Fix dump message.
2177 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2179 PR 33649
2180 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2182 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2184 PR middle-end/38690
2185 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2186 * tree-pretty-print.c (op_code_prio): New function.
2187 (op_prio): No longer static. Use op_code_prio.
2188 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2189 Use op_prio and op_code_prio to determine if () should be
2190 printed around operand(s) or not.
2192 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2193 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2194 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2195 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2196 pp_character instead of pp_string for single letter printing.
2198 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2200 * doc/extend.texi: Fix '#pragma GCC option' typo.
2202 2009-01-02 Richard Guenther <rguenther@suse.de>
2204 * doc/install.texi (--enable-checking): Mention different
2205 default for stage1.
2206 (--enable-stage1-checking): Document.
2208 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2210 PR middle-end/30142
2211 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2212 case to be an error.
2214 2009-01-02 Ben Elliston <bje@au.ibm.com>
2216 * config/fp-bit.h (pack_d): Constify argument.
2217 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2218 (isnan): Constify argument.
2219 (isinf): Likewise.
2220 (iszero): Likewise.
2221 (pack_d): Likewise.
2222 (_fpadd_parts): Constify return type.
2223 (_fpmul_parts): Likewise.
2224 (_fpdiv_parts): Likewise.
2226 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2228 PR c/36489
2229 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2230 warn about overwriting initializer with side-effects or
2231 -Woverride-init if !IMPLICIT.
2232 (output_init_element): Likewise. Pass IMPLICIT down to
2233 add_pending_init.
2234 (process_init_element): Add IMPLICIT argument. Pass it down
2235 to output_init_element.
2236 (push_init_element, pop_init_level, set_designator): Adjust
2237 process_init_element callers.
2238 (set_nonincremental_init, set_nonincremental_init_from_string):
2239 Adjust add_pending_init callers.
2240 (output_pending_init_elements): Adjust output_init_element callers.
2241 * c-tree.h (process_init_element): Adjust prototype.
2242 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2243 process_init_element callers.