1 2009-02-13 Richard Guenther <rguenther@suse.de>
3 * configure.ac: Enable LFS.
4 * configure: Re-generate.
7 2009-02-13 Joseph Myers <joseph@codesourcery.com>
10 * c-parser.c (c_parser_parms_list_declarator): Discard pending
11 sizes on syntax error after some arguments have been parsed.
13 2009-02-12 Jakub Jelinek <jakub@redhat.com>
15 * doc/invoke.texi (-fira): Remove.
17 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
19 * caller-save.c: Replace regclass.c with reginfo.c in comments.
23 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
25 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
26 (umul_ppmm): Likewise.
27 (count_leading_zeros): Likewise.
28 (count_trailing_zeros): Likewise.
29 (UMUL_TIME): Likewise.
31 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
33 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
34 soft-fp/t-softfp to tmake_file.
36 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
37 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
38 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
39 IA64_BUILTIN_INFQ]: New.
40 (ia64_init_builtins): Initialize __builtin_infq,
41 __builtin_fabsq and __builtin_copysignq if not HPUX.
42 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
43 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
45 * config/ia64/lib1funcs.asm (__divtf3): Define only if
47 (__fixtfti): Likewise.
48 (__fixunstfti): Likewise.
49 (__floattitf): Likewise.
51 * config/ia64/libgcc-glibc.ver: New.
52 * config/ia64/t-fprules-softfp: Likewise.
53 * config/ia64/sfp-machine.h: Likewise.
55 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
56 (LIBGCC2_TF_CEXT): Likewise.
58 (TARGET_INIT_LIBFUNCS): Likewise.
60 * config/ia64/t-glibc (SHLINB_MAPFILES):
61 Add $(srcdir)/config/ia64/libgcc-glibc.ver,
63 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
65 * config/i386/i386.c (construct_container): Rewrite processing
66 BLKmode with X86_64_SSE_CLASS.
68 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
71 * config/i386/i386.md: Replace simplify_replace_rtx with
72 replace_rtx in the new peephole2.
74 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
76 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
77 loop unrolling do not happen at -O2.
79 2009-02-12 Michael Matz <matz@suse.de>
81 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
83 2009-02-12 Jakub Jelinek <jakub@redhat.com>
85 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
88 2009-02-12 Ben Elliston <bje@au.ibm.com>
90 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
91 patterns when updating the back chain. Missed in the 2009-02-10
94 2009-02-11 Janis Johnson <janis187@us.ibm.com>
96 * doc/extend.texi (Decimal Floating Types): Update identifier of
97 draft TR and list of missing support.
99 2009-02-11 Jakub Jelinek <jakub@redhat.com>
102 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
103 bit to variable length decl's flags, add it also to its
104 pointer replacement variable.
106 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
107 Jakub Jelinek <jakub@redhat.com>
110 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
111 (memory_blockage): New expander.
112 (*memory_blockage): New insn pattern.
113 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
114 instead of general blockage at the end of function prologue when
115 frame pointer is used to access red zone area. Do not emit blockage
116 when profiling, it is emitted in generic code.
117 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
118 function epilogue when frame pointer is used to access red zone area.
120 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
123 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
124 by arithmetic with memory operands.
125 * config/i386/predicates.md (commutative_operator): New.
127 2009-02-10 Janis Johnson <janis187@us.ibm.com>
129 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
132 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
134 * alias.h (record_alias_subset): Declare.
135 * alias.c (record_alias_subset): Make global.
137 2009-02-10 Nick Clifton <nickc@redhat.com>
139 * tree-parloops.c: Change license to GPLv3.
140 * ipa-struct-reorg.c: Change license to GPLv3.
141 * ipa-struct-reorg.h: Change license to GPLv3.
143 2009-02-10 Steve Ellcey <sje@cup.hp.com>
146 * c-decl.c (start_struct): Return NULL on error.
148 2009-02-10 Jakub Jelinek <jakub@redhat.com>
151 * cfgloopmanip.c (remove_path): Call remove_bbs after
152 cancel_loop_tree, not before it.
155 * function.h (struct function): Add has_local_explicit_reg_vars bit.
156 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
158 * tree-ssa-live.c (remove_unused_locals): Recompute
159 cfun->has_local_explicit_reg_vars.
160 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
161 copies or clearings if cfun->has_local_explicit_reg_vars.
163 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
166 * config/i386/i386.c (expand_prologue): Emit blockage at the end
167 of function prologue when frame pointer is used to access
170 2009-02-10 Richard Guenther <rguenther@suse.de>
173 * gimplify.c (gimple_regimplify_operands): Always look if
174 we need to create a temporary.
176 2009-02-10 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/39132
179 * tree-loop-distribution.c (todo): New global var.
180 (generate_memset_zero): Trigger TODO_rebuild_alias.
181 (tree_loop_distribution): Return todo.
183 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
186 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
187 (x86_64_reg_class_name): Removed.
188 (classify_argument): Return 0 if bytes > 32. Return 0 if the
189 first one isn't X86_64_SSE_CLASS or any other ones aren't
190 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
191 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
192 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
193 and 3 X86_64_SSEUP_CLASS.
194 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
195 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
197 2009-02-10 Ben Elliston <bje@au.ibm.com>
199 * config/rs6000/rs6000.md (allocate_stack): Always use an update
200 form instruction to update the stack back chain word, even if the
201 user has disabled the generation of update instructions.
202 (movdi_<mode>_update_stack): New.
203 (movsi_update_stack): Likewise.
204 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
205 always use an update form instruction to update the stack back
208 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
211 * graphite.c (if_region_set_false_region): After moving a region in
212 the false branch of a condition, remove the empty dummy basic block.
213 (gloog): Remove wrong fix for PR38953.
215 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
217 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
218 generation due to implicit sign extension.
220 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
223 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
224 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
226 2009-02-09 Richard Guenther <rguenther@suse.de>
229 * convert.c (convert_to_real): Disable (float)fn((double)x)
230 to fnf(x) conversion if errno differences may occur and
233 2009-02-07 Anatoly Sokolov <aesok@post.ru>
235 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
236 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
237 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
239 2009-02-06 Joseph Myers <joseph@codesourcery.com>
242 * c-common.c (handle_alias_attribute): Disallow attribute for
243 anything not a FUNCTION_DECL or VAR_DECL.
245 2009-02-06 Janis Johnson <janis187@us.ibm.com>
248 * real.c (do_compare): Special-case compare of zero against
251 2009-02-06 Joseph Myers <joseph@codesourcery.com>
254 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
255 as indicating flexible array members unless the field itself is
256 being declarared as the incomplete array.
258 2009-02-06 Jan Hubicka <jh@suse.cz>
260 PR tree-optimization/38844
261 * ipa-inline.c (try_inline): Stop inlining recursion when edge
264 2009-02-06 Richard Guenther <rguenther@suse.de>
267 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
268 fork because we may expand it as __gcov_fork.
270 2009-02-06 Nick Clifton <nickc@redhat.com>
272 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
274 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
276 PR tree-optimization/35659
277 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
278 vn_phi_eq): Shortcut if hashcode does not match.
279 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
281 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
282 and avoid iterative_hash_expr.
283 (FOR_EACH_VALUE_ID_IN_SET): New.
284 (value_id_compare): Remove.
285 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
286 sort expressions by value id.
288 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
291 * config/sh/predicates.md (general_movsrc_operand): Don't check
292 the subreg of system registers here.
294 2009-02-05 Jakub Jelinek <jakub@redhat.com>
297 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
300 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
302 PR rtl-optimization/39110
303 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
304 addresses, not aligned ones.
306 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
307 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/39100
310 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
311 comment says and add edges.
313 2009-02-05 Joseph Myers <joseph@codesourcery.com>
316 * c-common.c (handle_tls_model_attribute): Ignore attribute for
317 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
319 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
321 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
322 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
323 register_bb_in_sese, new_sese, free_sese): Moved.
324 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
325 outermost_loop_in_scop, build_scop_iteration_domain,
326 expand_scalar_variables_ssa_name, get_vdef_before_scop,
327 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
328 Use loop_in_sese_p instead of loop_in_scop_p.
329 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
330 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
331 (scopdet_basic_block_info): Fix bug in scop detection.
332 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
333 eq_loop_to_cloog_loop): Remove.
334 (nb_loops_around_loop_in_scop, nb_loop
335 ref_nb_loops): Moved here...
336 * graphite.h (ref_nb_loops): ... from here.
337 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
338 (loop_domain_dim, loop_iteration_vector_dim): Remove.
339 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
340 * testsuite/gcc.dg/graphite/scop-19.c: New
342 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
343 Hans-Peter Nilsson <hp@axis.com>
345 PR rtl-optimization/37889
346 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
347 Move offset handling from PLUS to before the switch. Use new
348 arguments when considering SYMBOL_REFs too.
349 (rtx_addr_can_trap_p): Pass dummy offset and size.
350 (enum may_trap_p_flags): Remove.
351 (may_trap_p_1): Pass size from MEM_SIZE.
353 PR rtl-optimization/38921
354 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
355 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
356 * rtlanal.c (may_trap_after_code_motion_p): Delete.
357 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
359 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
361 AVX Programming Reference (January, 2009)
362 * config/i386/sse.md (*vpclmulqdq): New.
364 2009-02-04 Jakub Jelinek <jakub@redhat.com>
366 PR tree-optimization/38977
367 PR gcov-profile/38292
368 * calls.c (special_function_p): Disregard __builtin_ prefix.
370 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
372 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
373 non-indexable addresses even before reload.
375 2009-02-03 Joseph Myers <joseph@codesourcery.com>
378 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
379 as having variable size. Do not give an error for unnamed
380 parameters with [*] declarators. Give a warning for type names
381 with [*] declarators and mark them as variable size.
382 * c-parser.c (c_parser_sizeof_expression): Do not give an error
383 for sizeof applied to [*] type names.
385 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
388 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
390 2009-02-03 Jakub Jelinek <jakub@redhat.com>
392 * gcc.c (process_command): Update copyright notice dates.
393 * gcov.c (print_version): Likewise.
394 * gcov-dump.c (print_version): Likewise.
395 * mips-tfile.c (main): Likewise.
396 * mips-tdump.c (main): Likewise.
398 2009-02-03 Joseph Myers <joseph@codesourcery.com>
401 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
402 for composite type involving a zero-length array type.
404 2009-02-03 Jakub Jelinek <jakub@redhat.com>
407 * function.c (match_asm_constraints_1): Skip over
408 initial optional % in the constraint.
411 * c-parser.c (c_parser_postfix_expression): If fixed point is not
412 supported, don't accept FIXED_CSTs.
413 * c-decl.c (finish_declspecs): Error if fixed point is not supported
414 and _Sat is used without _Fract/_Accum. Set specs->type to
415 integer_type_node for cts_fract/cts_accum if fixed point is not
418 2009-02-02 Catherine Moore <clm@codesourcery.com>
420 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
422 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
424 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
425 (ABI_HAS_64BIT_SYMBOLS): Use it.
426 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
428 2009-02-02 Paul Brook <paul@codesourcery.com>
430 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
432 2009-02-02 Jakub Jelinek <jakub@redhat.com>
435 * recog.h (asm_operand_ok): Add constraints argument.
436 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
437 recurse on matching constraint.
438 (check_asm_operands): Pass constraints as 3rd argument to
439 asm_operand_ok. Don't look up matching constraint here.
440 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
443 2009-02-02 Ben Elliston <bje@au.ibm.com>
445 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
446 TARGET_NARROW_VOLATILE_BITFIELD macro names.
448 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
450 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
451 information. Remove some obsolete information. Reorganize.
453 * config/pa/fptr.c: Revert license to GPL 2.
454 * config/pa/milli64.S: Likewise.
456 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
459 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
460 LIBRARY name in, instead of hard-coding it.
461 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
462 extra target make frag to tmake_files according to EH model.
463 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
464 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
465 frags that define makefile variable EH_MODEL appropriately.
466 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
467 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
468 to "-sjlj" according to type of EH configured.
469 (LIBGCC_SONAME): Concatenate it to shared library base name.
470 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
471 to "_sjlj" according to type of EH configured.
472 (LIBGCC_SONAME): Concatenate it to shared library base name.
473 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
474 (SHLIB_LINK): Add missing semicolon to if-else construct.
475 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
476 string value of "pe_dll" command-line option.
477 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
478 (SHLIB_SONAME): Use it when overriding t-cygming default.
479 (SHLIB_IMPLIB): Override t-cygming default.
480 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
481 string value of "pe_dll" command-line option.
483 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
486 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
487 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
489 2009-01-31 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/38937
492 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
493 computing the transitive closure.
495 2009-01-30 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/39041
498 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
499 Propagate variable indices only if the types match for this stmt.
501 2009-01-30 Jakub Jelinek <jakub@redhat.com>
504 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
505 inline but never defined.
507 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
509 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
510 (*insv_h_di_reg_extimm): New insn.
511 (*insv_l<mode>_reg_extimm): New insn.
513 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
515 * config/picochip/picochip.c (flag_conserve_stack): set
516 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
517 fconserve-stack. Reduce call-overhead used by inliner.
519 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
522 * common.opt (flag_conserve_stack): Initialised to zero.
524 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
527 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
528 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
531 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
533 * ira-color.c (allocno_reload_assign): Update comments.
534 * regmove.c (regmove_optimize): Likewise.
538 2009-01-29 Robert Millan <rmh@aybabtu.com>
540 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
541 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
543 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
545 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
547 PR tree-optimization/39007
548 * tree-loop-distribution.c (generate_builtin): Use
549 recompute_dominator to compute the immediate dominator of the
550 basic block just after the loop.
552 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
554 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
555 (ASM_OUTPUT_DWARF_PCREL): Define.
557 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
559 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
560 * doc/passes.texi: Remove entries about regclass, local-alloc, and
561 global. Modify entries about regmove and IRA.
563 * ra-conflict.c: Remove the file.
565 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
567 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
568 (pass_regclass_init): Rename to pass_reginfo_init.
570 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
572 * toplev.h (flag_ira): Remove.
574 * caller-save.c (setup_save_areas): Remove flag_ira.
576 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
578 * global.c: Remove the file.
580 * opts.c: (decode_options): Remove flag_ira.
582 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
584 * regmove.c: Modify file description.
585 (find_use_as_address, try_auto_increment): Define them only if
586 AUTO_INC_DEC is defined.
587 (replacement_quality, replace_in_call_usage, fixup_match_1,
588 stable_and_no_regs_but_for_p): Remove.
589 (reg_set_in_bb): Make it static.
590 (regmove_optimize): Remove flag_ira and code which worked for
593 * local-alloc.c: Remove the file.
595 * common.opt (fira): Remove.
597 * ira.c: Include except.h.
598 (eliminable_regset): Move from global.c.
599 (mark_elimination): Ditto. Remove flag_ira.
600 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
601 equiv_mem_modified, validate_equiv_mem_from_store,
602 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
603 contains_replace_regs, memref_referenced_p, memref_used_between_p,
604 no_equiv, recorded_label_ref): Move from local-alloc.c.
605 (update_equiv_regs): Ditto. Make it static.
606 (print_insn_chain, print_insn_chains): Move it from global.c.
607 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
608 (build_insn_chain): Ditto. Make it static.
609 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
610 Rename to init_live_subregs.
611 (gate_ira): Remove flag_ira.
613 * regclass.c: Rename reginfo.c. Change file description.
614 (FORBIDDEN_INC_DEC_CLASSES): Remove.
615 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
616 (init_reg_sets_1): Remove code for evaluation of
617 reg_class_superclasses and losing_caller_save_reg_set.
618 (init_regs): Remove init_reg_autoinc.
619 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
620 ok_for_base_p_nonstrict): Remove.
621 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
622 (pass_regclass_init): Rename to pass_reginfo_init. Modify
623 corresponding entries.
624 (dump_regclass, record_operand_costs, scan_one_insn,
625 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
626 record_address_regs, auto_inc_dec_reg_p): Remove.
627 (gt-regclass.h): Rename to gt-reginfo.h.
629 * rtl.h (dump_global_regs, retry_global_alloc,
630 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
632 * Makefile.in (RA_H): Remove.
633 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
634 Rename regclass.o to reginfo.o.
635 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
637 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
638 (GTFILES): Rename regclass.c to reginfo.c.
640 * passes.c (init_optimization_passes): Remove pass_local_alloc and
641 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
643 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
644 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
646 (finish_spills): Ditto. Remove code for !flga_ira.
648 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
651 * doc/invoke.texi (rtl debug options): Complete rewrite.
652 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
654 * mode-switching.c (pass_mode_switching): Rename pass from
655 "mode-sw" to "mode_sw".
656 * except.c (pass_convert_to_eh_ranges): Rename pass from
657 "eh-ranges" to "eh_ranges".
658 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
662 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
663 Alexander Monakov <amonakov@ispras.ru>
666 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
668 (move_exprs_to_boundary): Change return type and pass through
669 should_move from move_op. Relax assert. Update usage ...
670 (schedule_expr_on_boundary): ... here. Use should_move instead of
672 (move_op_orig_expr_found): Indicate that insn was disconnected from
674 (code_motion_process_successors): Do not call after_merge_succs
675 callback if original expression was not found when traversing any of
677 (code_motion_path_driver): Change return type. Update prototype.
678 (move_op): Update comment. Add a new parameter (should_move). Update
679 prototype. Set *should_move based on indication provided by
680 move_op_orig_expr_found.
682 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
684 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
685 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
686 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
687 * config/rs6000/rs6000.c (rs6000_override_options): Default
688 avoid-indexed-addresses on for Power6, off for everything else.
689 (avoiding_indexed_address_p): New function.
690 (rs6000_legitimize_address): Use it.
691 (rs6000_legitimate_address): Likewise.
692 * config/rs6000/rs6000.md (movXX_updateX): Likewise
694 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
696 PR tree-optimization/38997
697 * tree-loop-distribution.c (generate_memset_zero): Use
698 POINTER_PLUS_EXPR for a pointer addition.
700 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
702 * config/s390/s390.md (bswap<mode>2): New pattern added.
704 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
706 * config/s390/s390.md (*tls_load_31): Added type attribute.
708 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
710 * config/s390/s390.md: Fix a few comments.
712 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
714 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
715 (*tm<mode>_full): Fixed z10prop attribute.
716 (*tst<mode>_extimm): Fixed z10prop attribute.
717 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
718 (*tstqiCCT_cconly): Fixed z10prop attribute.
719 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
720 (*movsi_larl): Fixed z10prop attribute.
721 (*movsi_zarch): Fixed z10prop attribute.
722 (*movsi_eas): Fixed z10prop attribute.
723 (*movhi): Fixed z10prop attribute.
724 (*movqi): Fixed z10prop attribute.
725 (*movstrictqi): Fixed z10prop attribute.
726 (*mov<mode>): Fixed z10prop attribute.
727 (*movcc): Fixed z10prop attribute.
728 (*sethighpartdi_64): Fixed z10prop attribute.
729 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
730 (*negdi2_sign_cc): Fixed z10prop attribute.
731 (*negdi2_sign): Fixed z10prop attribute.
732 (*absdi2_sign_cc): Fixed z10prop attribute.
733 (*absdi2_sign): Fixed z10prop attribute.
734 (*negabsdi2_sign_cc): Fixed z10prop attribute.
735 (*negabsdi2_sign): Fixed z10prop attribute.
736 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
737 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
738 (doloop_si64): Fixed z10prop attribute.
739 (doloop_si31): Fixed z10prop attribute.
740 (doloop_long): Fixed z10prop attribute.
741 (indirect_jump): Fixed z10prop attribute.
742 (nop): Fixed z10prop attribute.
743 (main_base_64): Fixed z10prop attribute.
744 (reload_base_64): Fixed z10prop attribute.
746 2009-01-28 Jakub Jelinek <jakub@redhat.com>
748 PR rtl-optimization/38740
749 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
750 * config/mips/mips.c (mips_reorg): Likewise.
752 2009-01-28 Richard Guenther <rguenther@suse.de>
754 PR tree-optimization/38926
755 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
756 with the correct value id to a value.
757 (do_regular_insertion): Use the value number of edoubleprime
758 for the value number of the expr.
761 2008-08-21 Richard Guenther <rguenther@suse.de>
763 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
764 a PHI ask VN if it is already available.
765 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
766 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
768 2009-01-28 Jakub Jelinek <jakub@redhat.com>
771 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
772 set to varying whenever max has TREE_OVERFLOW set, similarly
773 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
775 2009-01-28 Richard Guenther <rguenther@suse.de>
778 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
779 uninitialized aggregate uses in call arguments.
781 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
783 PR tree-optimization/38984
784 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
785 the nothing_id variable if -fno-delete-null-pointer-checks.
787 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
790 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
791 (set_got_offset_rex64): Ditto.
793 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
796 * doc/extend.texi: Improve local variable with asm reg.
798 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
800 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
801 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
802 was not supplied then set warn_packed_bitfield_compat to the
804 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
807 2009-01-27 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/38503
810 * cfgexpand.c (expand_gimple_basic_block): Ignore
811 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
812 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
813 variables that cannot have TBAA applied.
814 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
817 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
820 * calls.c (initialize_argument_information): Do not wrap complex
821 arguments in SAVE_EXPR.
823 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
825 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
826 (INSTALL_LIBGCC): Revert typo commit.
828 2009-01-26 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/38745
831 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
832 from special handling.
834 2009-01-26 Richard Guenther <rguenther@suse.de>
836 PR tree-optimization/38745
837 * tree-ssa.c (execute_update_addresses_taken): Do not include
838 variables that cannot possibly be a register in not_reg_needs.
839 Do not clear TREE_ADDRESSABLE on vars that may not become
841 * tree-ssa.c (update_alias_info_1): Include those in the set
844 2009-01-26 Richard Guenther <rguenther@suse.de>
847 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
848 * tree-ssa-dse.c: Include langhooks.h
849 (execute_simple_dse): Remove stores with zero size.
851 2009-01-24 Jakub Jelinek <jakub@redhat.com>
854 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
857 2009-01-24 Julian Brown <julian@codesourcery.com>
859 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
860 config/arm/linux-atomic.c.
861 * config/arm/linux-atomic.c: New.
863 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
865 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
866 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
867 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
869 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
872 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
875 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
877 PR tree-optimization/38953
878 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
879 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
880 (gloog): Split the exit of the scop when the scop exit is a loop exit.
881 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
884 2009-01-24 Paul Brook <paul@codesourcery.com>
886 * config/arm/neon.md (neon_type): Move to arm.md.
887 (neon_mov<VSTRUCT>): Add neon_type attribute.
888 * config/arm/arm.md (neon_type): Move to here.
889 (conds): Add "unconditioal" and use as default for NEON insns.
891 2009-01-24 Ben Elliston <bje@au.ibm.com>
893 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
894 void *' warning from -Wc++-compat.
895 * Makefile.in (dominance.o-warn): Remove.
897 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
899 PR tree-optimization/38932
900 * fold-const.c (fold_unary_ignore_overflow): New.
901 * tree.h (fold_unary_ignore_overflow): Declare.
902 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
903 * tree-ssa-sccvn.c (visit_reference_op_load,
904 simplify_unary_expression): Likewise.
906 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
908 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
909 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
910 regardless of their type.
911 * c-common.c (handle_packed_attribute): Don't ignore packed on
913 * c.opt (Wpacked-bitfield-compat): New warning option.
914 * stor-layout.c (place_field): Warn if offset of a field changed.
915 * doc/extend.texi (packed): Mention the ABI change.
916 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
917 (Warning Options): Add it to the list.
919 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
921 * c-opts.c (c_common_post_options): Fix a typo in comments.
923 2009-01-22 Steve Ellcey <sje@cup.hp.com>
926 * gimplify.c (gimplify_init_constructor): Fix promotion of const
928 * doc/invoke.texi (-fmerge-all-constants): Update description.
930 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
933 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
934 (*movdi_1_rex64): Use type "mmx" for alternative 5.
936 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
938 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
940 (LOCAL_ALIGNMENT): Similarly.
942 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
943 Joseph Myers <joseph@codesourcery.com>
945 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
946 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
947 * config/arm/arm-tune.md: Regenerate.
948 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
951 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
953 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
954 version number to five.
956 2009-01-22 Dodji Seketeli <dodji@redhat.com>
959 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
960 * c-common.c (set_underlying_type): Likewise.
961 (is_typedef_decl ): Likewise
963 (set_underlying_type): Likewise.
964 (is_typedef_type): Likewise.
966 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
969 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
972 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
975 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
976 (LIBGCC_SPEC): Don't define.
977 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
979 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
981 PR rtl-optimization/38879
982 * alias.c (base_alias_check): Unaligned access via AND address can
983 alias all surrounding object types except those with sizes equal
984 or wider than the size of unaligned access.
986 2009-01-21 Dodji Seketeli <dodji@redhat.com>
989 * c-decl.c: (clone_underlying_type): Move this ...
990 * c-common.c (set_underlying_type): ... here.
991 Also, make sure the function properly sets TYPE_STUB_DECL() on
992 the newly created typedef variant type.
993 (is_typedef_decl ): New entry point.
994 * tree.h: Added a new member member_types_needing_access_check to
995 struct tree_decl_non_common.
996 (set_underlying_type): New entry point.
997 (is_typedef_type): Likewise.
999 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1001 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1002 Check whether two instructions have memory references that
1003 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1004 are helper functions for traversing.
1005 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1006 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1007 not to draw dependency edge for instructions with non-conflicting
1010 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1013 * longlong.h: Update copyright years. Use soft-fp license
1014 notice. Sync __clz_tab declaration with glibc.
1016 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1019 * doc/extend.texi (syscall_linkage): New.
1020 (version_id): Modify.
1022 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1023 Richard Guenther <rguenther@suse.de>
1025 PR tree-optimization/38747
1026 PR tree-optimization/38748
1027 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1028 conversion if the base address is an indirect reference and the
1029 aliasing sets could cause issues.
1031 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1033 * common.opt (fgraphite, fgraphite-identity): Add comment for
1034 explaining why these options are not documented.
1036 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1038 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1039 gimple_call_lhs is NULL.
1041 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1044 * emit-rtl.c (adjust_address_1): Make sure memref is never
1047 2009-01-20 Ben Elliston <bje@au.ibm.com>
1049 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1050 const qualifier from arg parameter. Remove unnecessary cast to char *.
1051 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1052 const qualifier from arg 2.
1054 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1056 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1058 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1061 * rtl.h (reinit_regs): New prototype.
1062 * regclass.c: Include ira.h.
1064 * Makefile.in (regclass.o): Add ira.h.
1065 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1067 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1070 * c-common.c (handle_aligned_attribute): Use
1071 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1072 default alignment value.
1074 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1076 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1077 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1079 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1080 __BIGGEST_ALIGNMENT__.
1082 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1084 2009-01-18 Richard Guenther <rguenther@suse.de>
1086 PR tree-optimization/38819
1087 * tree-flow.h (operation_could_trap_helper_p): Declare.
1088 * tree-eh.c (operation_could_trap_helper_p): Export.
1089 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1090 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1091 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1092 are about to insert a possibly trapping instruction and fail
1095 2009-01-18 Andreas Schwab <schwab@suse.de>
1097 * doc/install.texi (Configuration): Remove obsolete paragraph
1098 about use of --with-gnu-ld with --with-gnu-as.
1100 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1102 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1103 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1104 Follow spelling conventions.
1106 2009-01-18 Ben Elliston <bje@au.ibm.com>
1108 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1109 C++ warning about implicit conversion from void * to struct
1111 (bitmap_obstack_free): Likewise for bitmap_element *.
1112 * Makefile.in (bitmap.o-warn): Remove.
1114 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1116 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1118 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1119 Tobias Grosser <tobi.grosser@amd.com>
1121 * graphite.c (graphite_trans_scop_block): Do not block single
1124 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1126 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1127 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1128 test with assertion.
1130 2009-01-16 Richard Guenther <rguenther@suse.de>
1132 PR tree-optimization/38835
1134 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1135 and INT + PTR -> (INT)(PTR p+ INT) folding.
1136 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1138 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1141 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1142 the subreg from a lowpart subreg if it is also casting the value.
1144 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1145 Tobias Grosser <tobi.grosser@amd.com>
1147 * graphite.c (compare_prefix_loops): New.
1148 (build_scop_canonical_schedules): Rewritten.
1149 (graphite_transform_loops): Move build_scop_canonical_schedules
1150 after build_scop_iteration_domain.
1152 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1153 Tobias Grosser <tobi.grosser@amd.com>
1155 * graphite.c (add_conditions_to_domain): Add the loops to
1156 the dimension of the iteration domain. Do copy the domain
1157 only when it exists.
1158 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1159 (add_conditions_to_constraints): New.
1160 (can_generate_code_stmt, can_generate_code): Removed.
1161 (gloog): Do not call can_generate_code.
1162 (graphite_transform_loops): Call add_conditions_to_constraints
1163 after building the iteration domain.
1165 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1167 PR tree-optimization/38789
1168 * tree-ssa-threadedge.c
1169 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1170 __builtin_constant_p.
1172 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1174 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1175 examined before deleting them.
1177 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1179 * function.c (aggregate_value_p): Correctly extract the function
1180 type from CALL_EXPR_FN lookup.
1182 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1184 * config/picochip/picochip.c (picochip_override_options): Revert
1185 CFI asm flag disable commited previously.
1187 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1188 Tobias Grosser <tobi.grosser@amd.com>
1189 Jan Sjodin <jan.sjodin@amd.com>
1191 * graphite.c (scan_tree_for_params): On substractions negate
1192 all the coefficients of the term.
1193 (clast_to_gcc_expression_red): New. Handle reduction expressions
1194 of more than two operands.
1195 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1196 (get_vdef_before_scop): Handle also the case of default definitions.
1198 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1200 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1201 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1202 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1204 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1205 Joey Ye <joey.ye@intel.com>
1208 * cfgexpand.c (expand_stack_alignment): Don't update stack
1209 boundary nor check incoming stack boundary here.
1210 (gimple_expand_cfg): Update stack boundary and check incoming
1211 stack boundary here.
1213 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1215 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1217 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1219 PR rtl-optimization/38245
1220 * calls.c (expand_call): Add stack arguments to
1221 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1222 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1223 in regs and partially in memory or BLKmode arguments.
1224 (emit_library_call_value_1): Add stack arguments to
1225 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1226 ACCUMULATE_OUTGOING_ARGS).
1227 * dce.c: Include tm_p.h.
1228 (find_call_stack_args): New function.
1229 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1231 (mark_insn): Call find_call_stack_args for CALL_Ps.
1232 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1233 forwards. Allocate and free arg_stores bitmap if needed, pass it
1234 down to deletable_insn_p, don't mark stores set in arg_stores
1235 bitmap, clear the bitmap at the beginning of each bb.
1236 * Makefile.in (dce.o): Depend on $(TM_P_H).
1238 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1241 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1242 to make sure the insn is a conditional test (bug 22599). Reformat a
1245 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1248 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1249 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1250 (gloog): Do not call cleanup_tree_cfg.
1251 (graphite_transform_loops): Call cleanup_tree_cfg after all
1252 scops have been code generated.
1254 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1255 * doc/gty.texi (Invoking the garbage collector): Added new node
1256 and section documenting ggc_collect.
1258 2009-01-14 Richard Guenther <rguenther@suse.de>
1260 PR tree-optimization/38826
1262 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1263 initialization notes only if we actually emitted a warning.
1264 (intra_create_variable_infos): Add constraints for a result decl
1265 that is passed by hidden reference.
1266 (build_pred_graph): Mark all related variables non-direct on
1269 2009-01-14 Nick Clifton <nickc@redhat.com>
1271 * ira-conflicts.c: Include addresses.h for the definition of
1273 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1274 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1276 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1279 * Makefile.in (ira-lives.o): Add except.h.
1281 * ira-lives.c: Include except.h.
1282 (process_bb_node_lives): Process can_throw_internal.
1284 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1286 PR rtl-optimization/38774
1287 * combine.c (simplify_set): When undoing cc_use change, don't do
1288 PUT_CODE on the newly created comparison, but instead put back the
1291 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1293 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1294 values. Remove duplicate arm8 entry.
1296 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1298 PR tree-optimization/38786
1299 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1300 the SSA_NAME case of expand_scalar_variables_expr.
1301 Set the type of an expression to the type of its assign statement.
1302 (expand_scalar_variables_expr): Also gather the scalar computation
1303 used to index the memory access. Do not pass loop_p.
1304 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1305 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1306 the gimple_stmt_iterator where it inserts new code.
1308 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1309 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1311 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1313 * graphite.h (debug_value): Removed.
1314 * graphite.c (debug_value): Removed.
1316 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1318 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1319 ldrd/strd with two 32-bit instructions.
1321 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1323 * config/arm/arm.c (struct processors): Pass for speed down into
1324 cost helper functions.
1325 (const_ok_for_op): Handle COMPARE and inequality nodes.
1326 (arm_rtx_costs_1): Rewrite.
1327 (arm_size_rtx_costs): Update prototype.
1328 (arm_rtx_costs): Pass speed down to helper functions.
1329 (arm_slowmul_rtx_costs): Rework cost calculations.
1330 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1331 (arm_9e_rtx_costs): Likewise.
1333 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1335 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1336 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1337 (alpha_legitimize_address): Do not split local symbols wider than
1338 UNITS_PER_WORD into HIGH/LO_SUM parts.
1340 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1343 * gcc.c (process_command): Replace call to execvp with calls
1344 to pex_one and exit.
1346 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1349 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1350 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1351 variant for devices with 3-byte PC.
1352 (__tablejump_elpm__) : New.
1354 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1357 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1358 offsetof member-designator, handle it as `[0].'.
1360 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1362 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1363 function when not using named sections on targets with named sections
1364 if branch distance is less than 262132.
1366 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1368 * combine.c (combine_instructions): Recompute
1369 optimize_this_for_speed_p for each BB in the main combine loop.
1371 2009-01-12 Tomas Bily <tbily@suse.cz>
1374 * tree-loop-distribution.c (prop_phis): New function.
1375 (generate_builtin): Call prop_phis.
1376 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1378 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1380 PR tree-optimization/38807
1381 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1382 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1384 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1386 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1387 subreg of op0 to the original op0.
1389 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1391 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1393 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1396 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1397 starting with digits.
1399 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1402 * config/arm/arm.c (arm_is_long_call_p): Don't call
1403 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1405 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1407 * regrename.c (regrename_optimize): Fix dumping.
1408 (find_oldest_value_reg): Preserve REG_POINTER.
1409 (copy_hardreg_forward_1): Likewise.
1411 2009-01-09 Diego Novillo <dnovillo@google.com>
1413 * gimple.h (struct gimple_statement_base) <uid>: Document
1414 the restrictions on its use.
1416 (gimple_set_uid): Tidy.
1418 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1420 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1421 zero guard even if align_bytes != 0 and count is smaller than
1424 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1426 PR rtl-optimization/38495
1427 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1428 (add_range_and_copies_from_move_list): Print all added ranges.
1429 Add ranges to memory optimized destination.
1431 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1435 * config/i386/i386.c (override_options): Reject
1436 -mstringop-strategy=rep_8byte with -m32.
1437 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1438 to 1. Do count comparison against epilogue_size_needed at compile
1439 time even when count_exp was constant forced into register. For
1440 size_needed don't jump to epilogue, instead just avoid aligning
1441 and invoke the body algorithm. If need_zero_guard, add zero guard
1442 even if count is non-zero, but smaller than size_needed + number of
1443 bytes that could be stored for alignment.
1444 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1445 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1446 but smaller than size_needed + number of bytes that could be stored
1447 for alignment. Compare size_needed with epilogue_size_needed instead
1448 of desired_align - align, don't adjust size_needed, pass
1449 epilogue_size_needed to the epilogue expanders.
1452 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1454 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1456 * pa.c (last_address): Change to unsigned.
1457 (update_total_code_bytes): Change argument to unsigned. Don't
1458 check if insn addresses are set.
1459 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1460 addresses are not set.
1461 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1463 2009-01-09 Nick Clifton <nickc@redhat.com>
1465 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1466 DECL_DECLARED_INLINE_P.
1468 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1471 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1472 GET_MODE (op0) in operand_subword_force calls.
1475 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1476 fold_convert arg0 operands to TREE_TYPE (op0) first.
1478 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1480 * params.def (ira-max-conflict-table-size): Decrease default value
1483 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1485 PR tree-optimization/37031
1486 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1488 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1489 allocate it using gc instead of heap, use VEC_quick_push instead of
1491 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1492 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1493 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1494 allocated vector from heap allocated.
1495 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1496 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1497 vector only after perfect_loop_nest_depth call.
1499 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1500 Jan Sjodin <jan.sjodin@amd.com>
1502 PR tree-optimization/38559
1503 * graphite.c (debug_value, copy_constraint,
1504 swap_constraint_variables, scale_constraint_variable, ): New.
1505 (get_lower_bound, get_upper_bound): Removed.
1506 (graphite_trans_bb_strip_mine): Clean up this code that works
1507 only for constant number of iterations. Fully copy upper and
1508 lower bound constraints, not only the constant part of them.
1509 * graphite.h (debug_value): Declared.
1511 2009-01-08 Ira Rosen <irar@il.ibm.com>
1513 PR tree-optimization/37194
1514 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1515 Don't add the cost of cost model guard in prologue to scalar
1516 outside cost in case of known number of iterations.
1518 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1519 Alan Modra <amodra@bigpond.net.au>
1521 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1522 non-word-aligned REG+CONST addressing.
1524 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1527 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1528 free_after_compilation when outputting a thunk.
1529 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1530 Do not call free_after_compilation here.
1532 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1534 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1535 (ix86_valid_target_attribute_inner_p): Ditto.
1537 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1539 PR tree-optimization/38492
1540 PR tree-optimization/38498
1541 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1542 * tree-chrec.h (scev_is_linear_expression): Declared.
1543 * graphite.c (graphite_cannot_represent_loop_niter): New.
1544 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1545 (graphite_loop_normal_form): Use gcc_assert.
1546 (scan_tree_for_params): Use CASE_CONVERT.
1547 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1548 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1549 Use gcc_assert. Discard scops that contain unhandled cases.
1550 (build_scop_conditions): Return a boolean status for unhandled cases.
1551 (strip_mine_profitable_p): Print the loop number, not its depth.
1552 (is_interchange_valid): Pass the depth of the loop nest, don't
1553 recompute it wrongly.
1554 (graphite_trans_bb_block): Same.
1555 (graphite_trans_bb_block): Print tentative of loop blocking.
1556 (graphite_trans_scop_block): Do not print that the loop has been
1558 (graphite_transform_loops): Do not handle scops that contain condition
1561 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1563 AVX Programming Reference (December, 2008)
1564 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1565 (_mm256_stream_pd): Likewise.
1566 (_mm256_stream_ps): Likewise.
1568 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1569 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1570 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1571 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1572 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1573 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1574 (ix86_expand_special_args_builtin): Likewise.
1576 * config/i386/sse.md (AVXMODEDI): New.
1577 (avx_movnt<mode>): Likewise.
1578 (avx_movnt<mode>): Likewise.
1579 (<sse>_movnt<mode>): Remove AVX support.
1580 (sse2_movntv2di): Likewise.
1582 2009-01-07 Richard Guenther <rguenther@suse.de>
1585 * fold-const.c (extract_muldiv): Remove obsolete comment.
1586 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1587 to PLUS_EXPR canonicalization for the canonicalization.
1589 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1591 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1592 hosted cross-compilers generating less efficient code.
1594 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1596 * function.h (rtl_data): Add a dbr_scheduled_p field.
1597 * reorg.c (dbr_schedule): Set it.
1598 (gate_handle_delay_slots): Check it.
1599 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1600 (mips_reorg): Check flag_delayed_branch instead of
1601 mips_base_delayed_branch.
1602 (mips_override_options): Don't set mips_base_delayed_branch
1603 or flag_delayed_branch.
1605 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1607 PR rtl-optimization/38426.
1608 * ira.c (ira): Set current_function_is_leaf earlier.
1610 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1612 PR rtl-optimization/38722
1613 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1614 too early, only set a flag and modify after last possible
1617 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1620 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1621 * real.c (decimal_single_format): Correct values of emin and emax.
1622 (decimal_double_format): Ditto.
1623 (decimal_quad_format): Ditto.
1624 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1625 computation of DECnn_MIN and DECnn_MAX for corrected values of
1626 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1627 __DECnn_MIN__, and adjust its computation for the corrected value
1630 2009-01-06 Jan Hubicka <jh@suse.cz>
1633 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1635 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1637 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1638 Add Robert Clark to the list of testers.
1640 2009-01-06 Jan Hubicka <jh@suse.cz>
1641 Kai Tietz <kai.tietz@onevision.com>
1643 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1644 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1646 2009-01-06 Jan Hubicka <jh@suse.cz>
1647 Kai Tietz <kai.tietz@onevision.com>
1649 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1651 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1652 (ix86_nsaved_regs): Count only general purpose regs.
1653 (ix86_nsaved_sseregs): New.
1654 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1655 to 16 for w64; compute padding and size of sse reg save area.
1656 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1657 general purpose regs.
1658 (ix86_emit_save_sse_regs_using_mov): New.
1659 (ix86_expand_prologue): Save SSE regs if needed.
1660 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1661 (ix86_emit_restore_sse_regs_using_mov): New.
1662 (ix86_expand_epilogue): Save SSE regs if needed.
1664 2009-01-06 Jan Hubicka <jh@suse.cz>
1665 Kai Tietz <kai.tietz@onevision.com>
1667 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1668 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1669 functions when accumulate outgoing args is off.
1671 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1674 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1675 before using pseudos_have_intersected_live_ranges_p.
1677 * ira-int.h (ira_assert): Always define.
1679 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1681 AVX Programming Reference (December, 2008)
1682 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1683 (_mm256_permute2_pd): Likewise.
1684 (_mm_permute2_ps): Likewise.
1685 (_mm256_permute2_ps): Likewise.
1686 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1687 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1689 * config/i386/i386.c (ix86_builtins): Remove
1690 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1691 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1692 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1693 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1694 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1695 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1696 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1697 __builtin_ia32_vpermil2ps256.
1698 (ix86_init_mmx_sse_builtins): Updated.
1699 (ix86_expand_args_builtin): Likewise.
1701 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1703 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1704 long absolute calls when generating PA 2.0 code.
1706 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1708 PR rtl-optimization/38583
1709 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1711 * params.def (ira-max-conflict-table-size): New.
1713 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1715 * ira.h (ira_conflicts_p): New external definition.
1717 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1718 table. Report this. Return result of building.
1719 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1720 building conflict table.
1722 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1723 (ira_color): Use ira_conflicts_p.
1725 * global.c: Include ira.h.
1726 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1729 * Makefile.in (global.o): Add ira.h.
1731 * ira-build.c (mark_all_loops_for_removal,
1732 propagate_some_info_from_allocno): New.
1733 (remove_unnecessary_allocnos): Call
1734 propagate_some_info_from_allocno.
1735 (remove_low_level_allocnos): New.
1736 (remove_unnecessary_regions): Add parameter. Call
1737 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1738 parameter to remove_unnecessary_regions.
1739 (ira_build): Remove all regions but root if the conflict table was
1740 not built. Update conflict hard regs for allocnos crossing calls.
1742 * ira.c (ira_conflicts_p): New global.
1743 (ira): Define and use ira_conflicts_p.
1745 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1746 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1747 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1749 2009-01-06 Ben Elliston <bje@au.ibm.com>
1751 * gengtype-lex.l (YY_NO_INPUT): Define.
1753 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1756 * c-common.c (handle_vector_size_attribute): Also reject
1759 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1761 PR tree-optimization/38492
1762 * graphite.c (rename_map_elt, debug_rename_elt,
1763 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1764 rename_map_elt_info, eq_rename_map_elts,
1765 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1766 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1767 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1768 (sese_build_livein_liveouts): New.
1769 (new_sese, free_sese): New.
1770 (new_scop): Call new_sese.
1771 (free_scop): Call free_sese.
1772 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1773 (register_old_new_names): Renamed register_old_and_new_names.
1774 (register_scop_liveout_renames, add_loop_exit_phis,
1775 insert_loop_close_phis, struct igp,
1776 default_liveout_before_guard, add_guard_exit_phis,
1777 insert_guard_phis, copy_renames): New.
1778 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1779 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1780 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1781 (scop_adjust_phis_for_liveouts): New.
1782 (gloog): Call scop_adjust_phis_for_liveouts.
1784 * graphite.h (struct sese): Documented. Added fields liveout,
1786 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1787 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1788 (struct scop): Added field liveout_renames.
1789 (SCOP_LIVEOUT_RENAMES): New.
1791 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1793 PR tree-optimization/38510
1794 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1795 (translate_clast): Call recompute_all_dominators before
1797 (gloog): Call recompute_all_dominators before graphite_verify.
1799 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1800 Jan Sjodin <jan.sjodin@amd.com>
1802 PR tree-optimization/38500
1803 * graphite.c (create_sese_edges): Call fix_loop_structure after
1806 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1808 * config.gcc: Add m32r*-*-rtems*.
1809 * config/m32r/rtems.h: New file.
1811 2009-01-05 Ben Elliston <bje@au.ibm.com>
1813 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1814 (.po.pox): Likewise.
1815 (po/gcc.pot): Likewise.
1817 2009-01-04 David S. Miller <davem@davemloft.net>
1819 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1820 (STARTING_FRAME_OFFSET): Always set to zero.
1822 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1824 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1825 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1826 fixed-point types, and vectors of the same.
1828 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1830 * config/mips/sync.md (*mb_barrier): Rename to...
1831 (*memory_barrier): ...this.
1833 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1835 * doc/extend.texi (Function Attributes): Move @cindex after @item
1836 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1837 and put in alphabetical order. Fix 'target' name and put in order.
1838 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1841 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1843 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1844 (memory_barrier): Expand as unspec instead of unspec_volatile.
1845 Remove mem:BLK from insn operands. Use Pmode scratch register.
1846 (*memory_barrier): Define as unspec instead of unspec_volatile.
1847 Use (match_dup 0) as input operand.
1849 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1850 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1851 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1852 scratch register. Remove operand 1.
1853 (*stbar): Define as unspec instead of unspec_volatile.
1854 Use (match_dup 0) as input operand, remove (const_int 8).
1855 (*membar): Define as unspec instead of unspec_volatile.
1856 Use (match_dup 0) as input operand, remove input operand 2.
1858 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1859 (memory_barrier): Expand as unspec instead of unspec_volatile.
1860 Remove mem:BLK from insn operands. Use Pmode scratch register.
1861 (*memory_barrier): Define as unspec instead of unspec_volatile.
1862 Use (match_dup 0) as input operand.
1864 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1865 Remove mem:BLK from insn operands. Use Pmode scratch register.
1866 Set volatile flag on operand 0.
1867 (*memory_barrier): New insn pattern.
1869 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1871 (*memory_barrier): Use (match_dup 0) as input operand.
1873 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1874 Remove mem:BLK from insn operands. Use Pmode scratch register.
1875 Set volatile flag on operand 0.
1876 (*mb_internal): New insn pattern.
1878 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1880 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1883 * function.c (struct temp_slot): Move to the section of the file
1884 that deals with temp slots. Remove field 'address'.
1885 (temp_slot_address_table): New hash table of address -> temp slot.
1886 (struct temp_slot_address_entry): New struct, items for the table.
1887 (temp_slot_address_compute_hash, temp_slot_address_hash,
1888 temp_slot_address_eq, insert_temp_slot_address): Support functions
1890 (find_temp_slot_from_address): Rewrite to use the new hash table.
1891 (remove_unused_temp_slot_addresses): Remove addresses of temp
1892 slots that have been made available.
1893 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1894 worker function for remove_unused_temp_slot_addresses.
1895 (assign_stack_temp_for_type): Don't clear the temp slot address list.
1896 Add the temp slot address to the address -> temp slot map.
1897 (update_temp_slot_address): Update via insert_temp_slot_address.
1898 (free_temp_slots): Call remove_unused_temp_slot_addresses.
1899 (pop_temp_slots): Likewise.
1900 (init_temp_slots): Allocate the address -> temp slot map, or empty
1901 the map if it is already allocated.
1902 (prepare_function_start): Initialize temp slot processing.
1904 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
1907 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1908 Calculate the size of all stack vars assuming no packing of stack
1909 vars will happen, replacing a quadratic algorithm with a linear one.
1911 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1914 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1917 2009-01-03 Diego Novillo <dnovillo@google.com>
1919 * doc/contrib.texi: Update contributions.
1921 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1924 * builtins.c (fold_builtin_memory_op): Give up if either operand
1925 is volatile. Set srctype or desttype to non-qualified version
1929 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1932 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1934 PR rtl-optimization/35805
1935 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1936 problem if fast dce is able to remove any instructions.
1937 * dce.c (dce_process_block): Fix dump message.
1939 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1942 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1944 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1947 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1948 * tree-pretty-print.c (op_code_prio): New function.
1949 (op_prio): No longer static. Use op_code_prio.
1950 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1951 Use op_prio and op_code_prio to determine if () should be
1952 printed around operand(s) or not.
1954 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1955 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1956 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1957 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1958 pp_character instead of pp_string for single letter printing.
1960 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1962 * doc/extend.texi: Fix '#pragma GCC option' typo.
1964 2009-01-02 Richard Guenther <rguenther@suse.de>
1966 * doc/install.texi (--enable-checking): Mention different
1968 (--enable-stage1-checking): Document.
1970 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1973 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1974 case to be an error.
1976 2009-01-02 Ben Elliston <bje@au.ibm.com>
1978 * config/fp-bit.h (pack_d): Constify argument.
1979 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1980 (isnan): Constify argument.
1984 (_fpadd_parts): Constify return type.
1985 (_fpmul_parts): Likewise.
1986 (_fpdiv_parts): Likewise.
1988 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1991 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1992 warn about overwriting initializer with side-effects or
1993 -Woverride-init if !IMPLICIT.
1994 (output_init_element): Likewise. Pass IMPLICIT down to
1996 (process_init_element): Add IMPLICIT argument. Pass it down
1997 to output_init_element.
1998 (push_init_element, pop_init_level, set_designator): Adjust
1999 process_init_element callers.
2000 (set_nonincremental_init, set_nonincremental_init_from_string):
2001 Adjust add_pending_init callers.
2002 (output_pending_init_elements): Adjust output_init_element callers.
2003 * c-tree.h (process_init_element): Adjust prototype.
2004 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2005 process_init_element callers.