1 2009-02-17 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/39202
4 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5 a var make sure to follow existing collapses.
7 2009-02-17 Richard Guenther <rguenther@suse.de>
10 * langhooks.c (lhd_print_error_function): Check for NULL block.
12 2009-02-17 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/39204
15 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
18 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
20 * config/soft-fp/double.h: Update from glibc CVS.
22 2009-02-17 Richard Guenther <rguenther@suse.de>
24 PR tree-optimization/39207
25 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
26 strict-aliasing warnings for pointers pointing to NULL.
28 2009-02-16 Joseph Myers <joseph@codesourcery.com>
31 * c-parser.c (c_parser_braced_init): Call pop_init_level when
32 skipping until next close brace.
34 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
37 * config/i386/i386.c (ix86_expand_push): Set memory alignment
38 to function argument boundary.
40 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
42 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
43 in the lea_add. Reload eventually constraints it properly.
44 * config/picochip/constraints.md : Remove the target constraint
45 "b", since it is not needed anymore.
47 2009-02-16 Jakub Jelinek <jakub@redhat.com>
49 * gthr-dce.h: Uglify function parameter and local variable names.
50 * gthr-gnat.h: Likewise.
51 * gthr-mipssde.h: Likewise.
52 * gthr-nks.h: Likewise.
53 * gthr-posix95.h: Likewise.
54 * gthr-posix.h: Likewise.
55 * gthr-rtems.h: Likewise.
56 * gthr-single.h: Likewise.
57 * gthr-solaris.h: Likewise.
58 * gthr-tpf.h: Likewise.
59 * gthr-vxworks.h: Likewise.
60 * gthr-win32.h: Likewise.
62 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
65 * config/i386/i386.md: Restrict the new peephole2 to move
66 between MMX/SSE registers.
68 2009-02-15 Richard Guenther <rguenther@suse.de>
71 2009-02-13 Richard Guenther <rguenther@suse.de>
73 * configure.ac: Enable LFS.
74 * configure: Re-generate.
75 * config.in: Likewise.
77 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
79 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
80 spu_srqwbyte, spu_srqwbytebc): Define.
81 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
82 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
83 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
84 "shrqby_<mode>"): New insn-and-split patterns.
85 * config/spu/spu.c (expand_builtin_args): Determine and return
86 number of operands using spu_builtin_description data.
87 (spu_expand_builtin_1): Use it.
89 2009-02-13 Steve Ellcey <sje@cup.hp.com>
92 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
95 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
98 * config/i386/i386.c (override_options): Correct warning
99 messages for -malign-loops, -malign-jumps and
102 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
105 * config/i386/i386.md: Restrict the new peephole2 to move
106 between the general purpose registers.
108 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
111 * config/i386/i386.c (type_natural_mode): Add a new argument.
112 Return the original mode and warn ABI change if vector size
114 (function_arg_advance): Updated.
115 (function_arg): Likewise.
116 (ix86_function_value): Likewise.
117 (ix86_return_in_memory): Likewise.
118 (ix86_sol10_return_in_memory): Likewise.
119 (ix86_gimplify_va_arg): Likewise.
120 (function_arg_32): Don't warn ABX ABI change here.
121 (function_arg_64): Likewise.
123 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
125 * loop-iv.c (implies_p): In the final case, test that operands 0
126 of the two comparisons match.
128 * config/bfin/bfin.c (find_prev_insn_start): New function.
129 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
130 (find_next_insn_start): Move.
132 2009-02-13 Richard Guenther <rguenther@suse.de>
134 * configure.ac: Enable LFS.
135 * configure: Re-generate.
136 * config.in: Likewise.
138 2009-02-13 Joseph Myers <joseph@codesourcery.com>
141 * c-parser.c (c_parser_parms_list_declarator): Discard pending
142 sizes on syntax error after some arguments have been parsed.
144 2009-02-12 Jakub Jelinek <jakub@redhat.com>
146 * doc/invoke.texi (-fira): Remove.
148 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
150 * caller-save.c: Replace regclass.c with reginfo.c in comments.
154 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
156 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
157 (umul_ppmm): Likewise.
158 (count_leading_zeros): Likewise.
159 (count_trailing_zeros): Likewise.
160 (UMUL_TIME): Likewise.
162 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
164 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
165 soft-fp/t-softfp to tmake_file.
167 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
168 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
169 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
170 IA64_BUILTIN_INFQ]: New.
171 (ia64_init_builtins): Initialize __builtin_infq,
172 __builtin_fabsq and __builtin_copysignq if not HPUX.
173 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
174 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
176 * config/ia64/lib1funcs.asm (__divtf3): Define only if
178 (__fixtfti): Likewise.
179 (__fixunstfti): Likewise.
180 (__floattitf): Likewise.
182 * config/ia64/libgcc-glibc.ver: New.
183 * config/ia64/t-fprules-softfp: Likewise.
184 * config/ia64/sfp-machine.h: Likewise.
186 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
187 (LIBGCC2_TF_CEXT): Likewise.
189 (TARGET_INIT_LIBFUNCS): Likewise.
191 * config/ia64/t-glibc (SHLINB_MAPFILES):
192 Add $(srcdir)/config/ia64/libgcc-glibc.ver,
194 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
196 * config/i386/i386.c (construct_container): Rewrite processing
197 BLKmode with X86_64_SSE_CLASS.
199 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
202 * config/i386/i386.md: Replace simplify_replace_rtx with
203 replace_rtx in the new peephole2.
205 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
207 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
208 loop unrolling do not happen at -O2.
210 2009-02-12 Michael Matz <matz@suse.de>
212 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
214 2009-02-12 Jakub Jelinek <jakub@redhat.com>
216 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
219 2009-02-12 Ben Elliston <bje@au.ibm.com>
221 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
222 patterns when updating the back chain. Missed in the 2009-02-10
225 2009-02-11 Janis Johnson <janis187@us.ibm.com>
227 * doc/extend.texi (Decimal Floating Types): Update identifier of
228 draft TR and list of missing support.
230 2009-02-11 Jakub Jelinek <jakub@redhat.com>
233 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
234 bit to variable length decl's flags, add it also to its
235 pointer replacement variable.
237 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
238 Jakub Jelinek <jakub@redhat.com>
241 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
242 (memory_blockage): New expander.
243 (*memory_blockage): New insn pattern.
244 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
245 instead of general blockage at the end of function prologue when
246 frame pointer is used to access red zone area. Do not emit blockage
247 when profiling, it is emitted in generic code.
248 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
249 function epilogue when frame pointer is used to access red zone area.
251 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
254 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
255 by arithmetic with memory operands.
256 * config/i386/predicates.md (commutative_operator): New.
258 2009-02-10 Janis Johnson <janis187@us.ibm.com>
260 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
263 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
265 * alias.h (record_alias_subset): Declare.
266 * alias.c (record_alias_subset): Make global.
268 2009-02-10 Nick Clifton <nickc@redhat.com>
270 * tree-parloops.c: Change license to GPLv3.
271 * ipa-struct-reorg.c: Change license to GPLv3.
272 * ipa-struct-reorg.h: Change license to GPLv3.
274 2009-02-10 Steve Ellcey <sje@cup.hp.com>
277 * c-decl.c (start_struct): Return NULL on error.
279 2009-02-10 Jakub Jelinek <jakub@redhat.com>
282 * cfgloopmanip.c (remove_path): Call remove_bbs after
283 cancel_loop_tree, not before it.
286 * function.h (struct function): Add has_local_explicit_reg_vars bit.
287 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
289 * tree-ssa-live.c (remove_unused_locals): Recompute
290 cfun->has_local_explicit_reg_vars.
291 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
292 copies or clearings if cfun->has_local_explicit_reg_vars.
294 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
297 * config/i386/i386.c (expand_prologue): Emit blockage at the end
298 of function prologue when frame pointer is used to access
301 2009-02-10 Richard Guenther <rguenther@suse.de>
304 * gimplify.c (gimple_regimplify_operands): Always look if
305 we need to create a temporary.
307 2009-02-10 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/39132
310 * tree-loop-distribution.c (todo): New global var.
311 (generate_memset_zero): Trigger TODO_rebuild_alias.
312 (tree_loop_distribution): Return todo.
314 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
317 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
318 (x86_64_reg_class_name): Removed.
319 (classify_argument): Return 0 if bytes > 32. Return 0 if the
320 first one isn't X86_64_SSE_CLASS or any other ones aren't
321 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
322 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
323 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
324 and 3 X86_64_SSEUP_CLASS.
325 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
326 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
328 2009-02-10 Ben Elliston <bje@au.ibm.com>
330 * config/rs6000/rs6000.md (allocate_stack): Always use an update
331 form instruction to update the stack back chain word, even if the
332 user has disabled the generation of update instructions.
333 (movdi_<mode>_update_stack): New.
334 (movsi_update_stack): Likewise.
335 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
336 always use an update form instruction to update the stack back
339 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
342 * graphite.c (if_region_set_false_region): After moving a region in
343 the false branch of a condition, remove the empty dummy basic block.
344 (gloog): Remove wrong fix for PR38953.
346 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
348 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
349 generation due to implicit sign extension.
351 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
354 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
355 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
357 2009-02-09 Richard Guenther <rguenther@suse.de>
360 * convert.c (convert_to_real): Disable (float)fn((double)x)
361 to fnf(x) conversion if errno differences may occur and
364 2009-02-07 Anatoly Sokolov <aesok@post.ru>
366 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
367 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
368 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
370 2009-02-06 Joseph Myers <joseph@codesourcery.com>
373 * c-common.c (handle_alias_attribute): Disallow attribute for
374 anything not a FUNCTION_DECL or VAR_DECL.
376 2009-02-06 Janis Johnson <janis187@us.ibm.com>
379 * real.c (do_compare): Special-case compare of zero against
382 2009-02-06 Joseph Myers <joseph@codesourcery.com>
385 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
386 as indicating flexible array members unless the field itself is
387 being declarared as the incomplete array.
389 2009-02-06 Jan Hubicka <jh@suse.cz>
391 PR tree-optimization/38844
392 * ipa-inline.c (try_inline): Stop inlining recursion when edge
395 2009-02-06 Richard Guenther <rguenther@suse.de>
398 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
399 fork because we may expand it as __gcov_fork.
401 2009-02-06 Nick Clifton <nickc@redhat.com>
403 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
405 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
407 PR tree-optimization/35659
408 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
409 vn_phi_eq): Shortcut if hashcode does not match.
410 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
412 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
413 and avoid iterative_hash_expr.
414 (FOR_EACH_VALUE_ID_IN_SET): New.
415 (value_id_compare): Remove.
416 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
417 sort expressions by value id.
419 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
422 * config/sh/predicates.md (general_movsrc_operand): Don't check
423 the subreg of system registers here.
425 2009-02-05 Jakub Jelinek <jakub@redhat.com>
428 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
431 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
433 PR rtl-optimization/39110
434 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
435 addresses, not aligned ones.
437 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
438 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/39100
441 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
442 comment says and add edges.
444 2009-02-05 Joseph Myers <joseph@codesourcery.com>
447 * c-common.c (handle_tls_model_attribute): Ignore attribute for
448 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
450 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
452 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
453 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
454 register_bb_in_sese, new_sese, free_sese): Moved.
455 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
456 outermost_loop_in_scop, build_scop_iteration_domain,
457 expand_scalar_variables_ssa_name, get_vdef_before_scop,
458 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
459 Use loop_in_sese_p instead of loop_in_scop_p.
460 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
461 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
462 (scopdet_basic_block_info): Fix bug in scop detection.
463 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
464 eq_loop_to_cloog_loop): Remove.
465 (nb_loops_around_loop_in_scop, nb_loop
466 ref_nb_loops): Moved here...
467 * graphite.h (ref_nb_loops): ... from here.
468 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
469 (loop_domain_dim, loop_iteration_vector_dim): Remove.
470 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
471 * testsuite/gcc.dg/graphite/scop-19.c: New
473 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
474 Hans-Peter Nilsson <hp@axis.com>
476 PR rtl-optimization/37889
477 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
478 Move offset handling from PLUS to before the switch. Use new
479 arguments when considering SYMBOL_REFs too.
480 (rtx_addr_can_trap_p): Pass dummy offset and size.
481 (enum may_trap_p_flags): Remove.
482 (may_trap_p_1): Pass size from MEM_SIZE.
484 PR rtl-optimization/38921
485 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
486 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
487 * rtlanal.c (may_trap_after_code_motion_p): Delete.
488 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
490 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
492 AVX Programming Reference (January, 2009)
493 * config/i386/sse.md (*vpclmulqdq): New.
495 2009-02-04 Jakub Jelinek <jakub@redhat.com>
497 PR tree-optimization/38977
498 PR gcov-profile/38292
499 * calls.c (special_function_p): Disregard __builtin_ prefix.
501 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
503 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
504 non-indexable addresses even before reload.
506 2009-02-03 Joseph Myers <joseph@codesourcery.com>
509 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
510 as having variable size. Do not give an error for unnamed
511 parameters with [*] declarators. Give a warning for type names
512 with [*] declarators and mark them as variable size.
513 * c-parser.c (c_parser_sizeof_expression): Do not give an error
514 for sizeof applied to [*] type names.
516 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
519 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
521 2009-02-03 Jakub Jelinek <jakub@redhat.com>
523 * gcc.c (process_command): Update copyright notice dates.
524 * gcov.c (print_version): Likewise.
525 * gcov-dump.c (print_version): Likewise.
526 * mips-tfile.c (main): Likewise.
527 * mips-tdump.c (main): Likewise.
529 2009-02-03 Joseph Myers <joseph@codesourcery.com>
532 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
533 for composite type involving a zero-length array type.
535 2009-02-03 Jakub Jelinek <jakub@redhat.com>
538 * function.c (match_asm_constraints_1): Skip over
539 initial optional % in the constraint.
542 * c-parser.c (c_parser_postfix_expression): If fixed point is not
543 supported, don't accept FIXED_CSTs.
544 * c-decl.c (finish_declspecs): Error if fixed point is not supported
545 and _Sat is used without _Fract/_Accum. Set specs->type to
546 integer_type_node for cts_fract/cts_accum if fixed point is not
549 2009-02-02 Catherine Moore <clm@codesourcery.com>
551 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
553 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
555 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
556 (ABI_HAS_64BIT_SYMBOLS): Use it.
557 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
559 2009-02-02 Paul Brook <paul@codesourcery.com>
561 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
563 2009-02-02 Jakub Jelinek <jakub@redhat.com>
566 * recog.h (asm_operand_ok): Add constraints argument.
567 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
568 recurse on matching constraint.
569 (check_asm_operands): Pass constraints as 3rd argument to
570 asm_operand_ok. Don't look up matching constraint here.
571 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
574 2009-02-02 Ben Elliston <bje@au.ibm.com>
576 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
577 TARGET_NARROW_VOLATILE_BITFIELD macro names.
579 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
581 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
582 information. Remove some obsolete information. Reorganize.
584 * config/pa/fptr.c: Revert license to GPL 2.
585 * config/pa/milli64.S: Likewise.
587 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
590 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
591 LIBRARY name in, instead of hard-coding it.
592 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
593 extra target make frag to tmake_files according to EH model.
594 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
595 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
596 frags that define makefile variable EH_MODEL appropriately.
597 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
598 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
599 to "-sjlj" according to type of EH configured.
600 (LIBGCC_SONAME): Concatenate it to shared library base name.
601 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
602 to "_sjlj" according to type of EH configured.
603 (LIBGCC_SONAME): Concatenate it to shared library base name.
604 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
605 (SHLIB_LINK): Add missing semicolon to if-else construct.
606 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
607 string value of "pe_dll" command-line option.
608 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
609 (SHLIB_SONAME): Use it when overriding t-cygming default.
610 (SHLIB_IMPLIB): Override t-cygming default.
611 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
612 string value of "pe_dll" command-line option.
614 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
617 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
618 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
620 2009-01-31 Richard Guenther <rguenther@suse.de>
622 PR tree-optimization/38937
623 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
624 computing the transitive closure.
626 2009-01-30 Richard Guenther <rguenther@suse.de>
628 PR tree-optimization/39041
629 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
630 Propagate variable indices only if the types match for this stmt.
632 2009-01-30 Jakub Jelinek <jakub@redhat.com>
635 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
636 inline but never defined.
638 2009-01-30 Wolfgang Gellerich <gellerich@de,ibm.com>
640 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
641 (*insv_h_di_reg_extimm): New insn.
642 (*insv_l<mode>_reg_extimm): New insn.
644 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
646 * config/picochip/picochip.c (flag_conserve_stack): set
647 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
648 fconserve-stack. Reduce call-overhead used by inliner.
650 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
653 * common.opt (flag_conserve_stack): Initialised to zero.
655 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
658 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
659 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
662 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
664 * ira-color.c (allocno_reload_assign): Update comments.
665 * regmove.c (regmove_optimize): Likewise.
669 2009-01-29 Robert Millan <rmh@aybabtu.com>
671 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
672 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
674 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
676 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
678 PR tree-optimization/39007
679 * tree-loop-distribution.c (generate_builtin): Use
680 recompute_dominator to compute the immediate dominator of the
681 basic block just after the loop.
683 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
685 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
686 (ASM_OUTPUT_DWARF_PCREL): Define.
688 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
690 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
691 * doc/passes.texi: Remove entries about regclass, local-alloc, and
692 global. Modify entries about regmove and IRA.
694 * ra-conflict.c: Remove the file.
696 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
698 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
699 (pass_regclass_init): Rename to pass_reginfo_init.
701 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
703 * toplev.h (flag_ira): Remove.
705 * caller-save.c (setup_save_areas): Remove flag_ira.
707 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
709 * global.c: Remove the file.
711 * opts.c: (decode_options): Remove flag_ira.
713 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
715 * regmove.c: Modify file description.
716 (find_use_as_address, try_auto_increment): Define them only if
717 AUTO_INC_DEC is defined.
718 (replacement_quality, replace_in_call_usage, fixup_match_1,
719 stable_and_no_regs_but_for_p): Remove.
720 (reg_set_in_bb): Make it static.
721 (regmove_optimize): Remove flag_ira and code which worked for
724 * local-alloc.c: Remove the file.
726 * common.opt (fira): Remove.
728 * ira.c: Include except.h.
729 (eliminable_regset): Move from global.c.
730 (mark_elimination): Ditto. Remove flag_ira.
731 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
732 equiv_mem_modified, validate_equiv_mem_from_store,
733 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
734 contains_replace_regs, memref_referenced_p, memref_used_between_p,
735 no_equiv, recorded_label_ref): Move from local-alloc.c.
736 (update_equiv_regs): Ditto. Make it static.
737 (print_insn_chain, print_insn_chains): Move it from global.c.
738 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
739 (build_insn_chain): Ditto. Make it static.
740 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
741 Rename to init_live_subregs.
742 (gate_ira): Remove flag_ira.
744 * regclass.c: Rename reginfo.c. Change file description.
745 (FORBIDDEN_INC_DEC_CLASSES): Remove.
746 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
747 (init_reg_sets_1): Remove code for evaluation of
748 reg_class_superclasses and losing_caller_save_reg_set.
749 (init_regs): Remove init_reg_autoinc.
750 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
751 ok_for_base_p_nonstrict): Remove.
752 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
753 (pass_regclass_init): Rename to pass_reginfo_init. Modify
754 corresponding entries.
755 (dump_regclass, record_operand_costs, scan_one_insn,
756 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
757 record_address_regs, auto_inc_dec_reg_p): Remove.
758 (gt-regclass.h): Rename to gt-reginfo.h.
760 * rtl.h (dump_global_regs, retry_global_alloc,
761 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
763 * Makefile.in (RA_H): Remove.
764 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
765 Rename regclass.o to reginfo.o.
766 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
768 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
769 (GTFILES): Rename regclass.c to reginfo.c.
771 * passes.c (init_optimization_passes): Remove pass_local_alloc and
772 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
774 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
775 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
777 (finish_spills): Ditto. Remove code for !flga_ira.
779 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
782 * doc/invoke.texi (rtl debug options): Complete rewrite.
783 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
785 * mode-switching.c (pass_mode_switching): Rename pass from
786 "mode-sw" to "mode_sw".
787 * except.c (pass_convert_to_eh_ranges): Rename pass from
788 "eh-ranges" to "eh_ranges".
789 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
793 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
794 Alexander Monakov <amonakov@ispras.ru>
797 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
799 (move_exprs_to_boundary): Change return type and pass through
800 should_move from move_op. Relax assert. Update usage ...
801 (schedule_expr_on_boundary): ... here. Use should_move instead of
803 (move_op_orig_expr_found): Indicate that insn was disconnected from
805 (code_motion_process_successors): Do not call after_merge_succs
806 callback if original expression was not found when traversing any of
808 (code_motion_path_driver): Change return type. Update prototype.
809 (move_op): Update comment. Add a new parameter (should_move). Update
810 prototype. Set *should_move based on indication provided by
811 move_op_orig_expr_found.
813 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
815 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
816 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
817 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
818 * config/rs6000/rs6000.c (rs6000_override_options): Default
819 avoid-indexed-addresses on for Power6, off for everything else.
820 (avoiding_indexed_address_p): New function.
821 (rs6000_legitimize_address): Use it.
822 (rs6000_legitimate_address): Likewise.
823 * config/rs6000/rs6000.md (movXX_updateX): Likewise
825 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
827 PR tree-optimization/38997
828 * tree-loop-distribution.c (generate_memset_zero): Use
829 POINTER_PLUS_EXPR for a pointer addition.
831 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
833 * config/s390/s390.md (bswap<mode>2): New pattern added.
835 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
837 * config/s390/s390.md (*tls_load_31): Added type attribute.
839 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
841 * config/s390/s390.md: Fix a few comments.
843 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
845 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
846 (*tm<mode>_full): Fixed z10prop attribute.
847 (*tst<mode>_extimm): Fixed z10prop attribute.
848 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
849 (*tstqiCCT_cconly): Fixed z10prop attribute.
850 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
851 (*movsi_larl): Fixed z10prop attribute.
852 (*movsi_zarch): Fixed z10prop attribute.
853 (*movsi_eas): Fixed z10prop attribute.
854 (*movhi): Fixed z10prop attribute.
855 (*movqi): Fixed z10prop attribute.
856 (*movstrictqi): Fixed z10prop attribute.
857 (*mov<mode>): Fixed z10prop attribute.
858 (*movcc): Fixed z10prop attribute.
859 (*sethighpartdi_64): Fixed z10prop attribute.
860 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
861 (*negdi2_sign_cc): Fixed z10prop attribute.
862 (*negdi2_sign): Fixed z10prop attribute.
863 (*absdi2_sign_cc): Fixed z10prop attribute.
864 (*absdi2_sign): Fixed z10prop attribute.
865 (*negabsdi2_sign_cc): Fixed z10prop attribute.
866 (*negabsdi2_sign): Fixed z10prop attribute.
867 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
868 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
869 (doloop_si64): Fixed z10prop attribute.
870 (doloop_si31): Fixed z10prop attribute.
871 (doloop_long): Fixed z10prop attribute.
872 (indirect_jump): Fixed z10prop attribute.
873 (nop): Fixed z10prop attribute.
874 (main_base_64): Fixed z10prop attribute.
875 (reload_base_64): Fixed z10prop attribute.
877 2009-01-28 Jakub Jelinek <jakub@redhat.com>
879 PR rtl-optimization/38740
880 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling if !optimize.
881 * config/mips/mips.c (mips_reorg): Likewise.
883 2009-01-28 Richard Guenther <rguenther@suse.de>
885 PR tree-optimization/38926
886 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
887 with the correct value id to a value.
888 (do_regular_insertion): Use the value number of edoubleprime
889 for the value number of the expr.
892 2008-08-21 Richard Guenther <rguenther@suse.de>
894 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
895 a PHI ask VN if it is already available.
896 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
897 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
899 2009-01-28 Jakub Jelinek <jakub@redhat.com>
902 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
903 set to varying whenever max has TREE_OVERFLOW set, similarly
904 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
906 2009-01-28 Richard Guenther <rguenther@suse.de>
909 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
910 uninitialized aggregate uses in call arguments.
912 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
914 PR tree-optimization/38984
915 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
916 the nothing_id variable if -fno-delete-null-pointer-checks.
918 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
921 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
922 (set_got_offset_rex64): Ditto.
924 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
927 * doc/extend.texi: Improve local variable with asm reg.
929 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
931 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
932 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
933 was not supplied then set warn_packed_bitfield_compat to the
935 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
938 2009-01-27 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/38503
941 * cfgexpand.c (expand_gimple_basic_block): Ignore
942 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
943 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
944 variables that cannot have TBAA applied.
945 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
948 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
951 * calls.c (initialize_argument_information): Do not wrap complex
952 arguments in SAVE_EXPR.
954 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
956 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
957 (INSTALL_LIBGCC): Revert typo commit.
959 2009-01-26 Richard Guenther <rguenther@suse.de>
961 PR tree-optimization/38745
962 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
963 from special handling.
965 2009-01-26 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/38745
968 * tree-ssa.c (execute_update_addresses_taken): Do not include
969 variables that cannot possibly be a register in not_reg_needs.
970 Do not clear TREE_ADDRESSABLE on vars that may not become
972 * tree-ssa.c (update_alias_info_1): Include those in the set
975 2009-01-26 Richard Guenther <rguenther@suse.de>
978 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
979 * tree-ssa-dse.c: Include langhooks.h
980 (execute_simple_dse): Remove stores with zero size.
982 2009-01-24 Jakub Jelinek <jakub@redhat.com>
985 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
988 2009-01-24 Julian Brown <julian@codesourcery.com>
990 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
991 config/arm/linux-atomic.c.
992 * config/arm/linux-atomic.c: New.
994 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
996 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
997 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
998 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1000 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1003 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1006 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1008 PR tree-optimization/38953
1009 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1010 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1011 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1012 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1015 2009-01-24 Paul Brook <paul@codesourcery.com>
1017 * config/arm/neon.md (neon_type): Move to arm.md.
1018 (neon_mov<VSTRUCT>): Add neon_type attribute.
1019 * config/arm/arm.md (neon_type): Move to here.
1020 (conds): Add "unconditioal" and use as default for NEON insns.
1022 2009-01-24 Ben Elliston <bje@au.ibm.com>
1024 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1025 void *' warning from -Wc++-compat.
1026 * Makefile.in (dominance.o-warn): Remove.
1028 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1030 PR tree-optimization/38932
1031 * fold-const.c (fold_unary_ignore_overflow): New.
1032 * tree.h (fold_unary_ignore_overflow): Declare.
1033 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1034 * tree-ssa-sccvn.c (visit_reference_op_load,
1035 simplify_unary_expression): Likewise.
1037 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1039 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1040 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1041 regardless of their type.
1042 * c-common.c (handle_packed_attribute): Don't ignore packed on
1044 * c.opt (Wpacked-bitfield-compat): New warning option.
1045 * stor-layout.c (place_field): Warn if offset of a field changed.
1046 * doc/extend.texi (packed): Mention the ABI change.
1047 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1048 (Warning Options): Add it to the list.
1050 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1052 * c-opts.c (c_common_post_options): Fix a typo in comments.
1054 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1057 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1058 variables to static.
1059 * doc/invoke.texi (-fmerge-all-constants): Update description.
1061 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1064 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1065 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1067 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1069 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1071 (LOCAL_ALIGNMENT): Similarly.
1073 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1074 Joseph Myers <joseph@codesourcery.com>
1076 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1077 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1078 * config/arm/arm-tune.md: Regenerate.
1079 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1082 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1084 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1085 version number to five.
1087 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1090 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1091 * c-common.c (set_underlying_type): Likewise.
1092 (is_typedef_decl ): Likewise
1094 (set_underlying_type): Likewise.
1095 (is_typedef_type): Likewise.
1097 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1100 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1103 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1106 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1107 (LIBGCC_SPEC): Don't define.
1108 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1110 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1112 PR rtl-optimization/38879
1113 * alias.c (base_alias_check): Unaligned access via AND address can
1114 alias all surrounding object types except those with sizes equal
1115 or wider than the size of unaligned access.
1117 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1120 * c-decl.c: (clone_underlying_type): Move this ...
1121 * c-common.c (set_underlying_type): ... here.
1122 Also, make sure the function properly sets TYPE_STUB_DECL() on
1123 the newly created typedef variant type.
1124 (is_typedef_decl ): New entry point.
1125 * tree.h: Added a new member member_types_needing_access_check to
1126 struct tree_decl_non_common.
1127 (set_underlying_type): New entry point.
1128 (is_typedef_type): Likewise.
1130 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1132 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1133 Check whether two instructions have memory references that
1134 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1135 are helper functions for traversing.
1136 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1137 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1138 not to draw dependency edge for instructions with non-conflicting
1141 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1144 * longlong.h: Update copyright years. Use soft-fp license
1145 notice. Sync __clz_tab declaration with glibc.
1147 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1150 * doc/extend.texi (syscall_linkage): New.
1151 (version_id): Modify.
1153 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1154 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/38747
1157 PR tree-optimization/38748
1158 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1159 conversion if the base address is an indirect reference and the
1160 aliasing sets could cause issues.
1162 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1164 * common.opt (fgraphite, fgraphite-identity): Add comment for
1165 explaining why these options are not documented.
1167 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1169 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1170 gimple_call_lhs is NULL.
1172 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1175 * emit-rtl.c (adjust_address_1): Make sure memref is never
1178 2009-01-20 Ben Elliston <bje@au.ibm.com>
1180 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1181 const qualifier from arg parameter. Remove unnecessary cast to char *.
1182 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1183 const qualifier from arg 2.
1185 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1187 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1189 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1192 * rtl.h (reinit_regs): New prototype.
1193 * regclass.c: Include ira.h.
1195 * Makefile.in (regclass.o): Add ira.h.
1196 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1198 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1201 * c-common.c (handle_aligned_attribute): Use
1202 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1203 default alignment value.
1205 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1207 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1208 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1210 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1211 __BIGGEST_ALIGNMENT__.
1213 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1215 2009-01-18 Richard Guenther <rguenther@suse.de>
1217 PR tree-optimization/38819
1218 * tree-flow.h (operation_could_trap_helper_p): Declare.
1219 * tree-eh.c (operation_could_trap_helper_p): Export.
1220 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1221 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1222 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1223 are about to insert a possibly trapping instruction and fail
1226 2009-01-18 Andreas Schwab <schwab@suse.de>
1228 * doc/install.texi (Configuration): Remove obsolete paragraph
1229 about use of --with-gnu-ld with --with-gnu-as.
1231 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1233 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1234 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1235 Follow spelling conventions.
1237 2009-01-18 Ben Elliston <bje@au.ibm.com>
1239 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1240 C++ warning about implicit conversion from void * to struct
1242 (bitmap_obstack_free): Likewise for bitmap_element *.
1243 * Makefile.in (bitmap.o-warn): Remove.
1245 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1247 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1249 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1250 Tobias Grosser <tobi.grosser@amd.com>
1252 * graphite.c (graphite_trans_scop_block): Do not block single
1255 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1257 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1258 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1259 test with assertion.
1261 2009-01-16 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/38835
1265 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1266 and INT + PTR -> (INT)(PTR p+ INT) folding.
1267 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1269 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1272 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1273 the subreg from a lowpart subreg if it is also casting the value.
1275 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1276 Tobias Grosser <tobi.grosser@amd.com>
1278 * graphite.c (compare_prefix_loops): New.
1279 (build_scop_canonical_schedules): Rewritten.
1280 (graphite_transform_loops): Move build_scop_canonical_schedules
1281 after build_scop_iteration_domain.
1283 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1284 Tobias Grosser <tobi.grosser@amd.com>
1286 * graphite.c (add_conditions_to_domain): Add the loops to
1287 the dimension of the iteration domain. Do copy the domain
1288 only when it exists.
1289 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1290 (add_conditions_to_constraints): New.
1291 (can_generate_code_stmt, can_generate_code): Removed.
1292 (gloog): Do not call can_generate_code.
1293 (graphite_transform_loops): Call add_conditions_to_constraints
1294 after building the iteration domain.
1296 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1298 PR tree-optimization/38789
1299 * tree-ssa-threadedge.c
1300 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1301 __builtin_constant_p.
1303 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1305 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1306 examined before deleting them.
1308 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1310 * function.c (aggregate_value_p): Correctly extract the function
1311 type from CALL_EXPR_FN lookup.
1313 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1315 * config/picochip/picochip.c (picochip_override_options): Revert
1316 CFI asm flag disable commited previously.
1318 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1319 Tobias Grosser <tobi.grosser@amd.com>
1320 Jan Sjodin <jan.sjodin@amd.com>
1322 * graphite.c (scan_tree_for_params): On substractions negate
1323 all the coefficients of the term.
1324 (clast_to_gcc_expression_red): New. Handle reduction expressions
1325 of more than two operands.
1326 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1327 (get_vdef_before_scop): Handle also the case of default definitions.
1329 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1331 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1332 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1333 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1335 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1336 Joey Ye <joey.ye@intel.com>
1339 * cfgexpand.c (expand_stack_alignment): Don't update stack
1340 boundary nor check incoming stack boundary here.
1341 (gimple_expand_cfg): Update stack boundary and check incoming
1342 stack boundary here.
1344 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1346 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1348 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1350 PR rtl-optimization/38245
1351 * calls.c (expand_call): Add stack arguments to
1352 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1353 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1354 in regs and partially in memory or BLKmode arguments.
1355 (emit_library_call_value_1): Add stack arguments to
1356 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1357 ACCUMULATE_OUTGOING_ARGS).
1358 * dce.c: Include tm_p.h.
1359 (find_call_stack_args): New function.
1360 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1362 (mark_insn): Call find_call_stack_args for CALL_Ps.
1363 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1364 forwards. Allocate and free arg_stores bitmap if needed, pass it
1365 down to deletable_insn_p, don't mark stores set in arg_stores
1366 bitmap, clear the bitmap at the beginning of each bb.
1367 * Makefile.in (dce.o): Depend on $(TM_P_H).
1369 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1372 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1373 to make sure the insn is a conditional test (bug 22599). Reformat a
1376 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1379 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1380 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1381 (gloog): Do not call cleanup_tree_cfg.
1382 (graphite_transform_loops): Call cleanup_tree_cfg after all
1383 scops have been code generated.
1385 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1386 * doc/gty.texi (Invoking the garbage collector): Added new node
1387 and section documenting ggc_collect.
1389 2009-01-14 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/38826
1393 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1394 initialization notes only if we actually emitted a warning.
1395 (intra_create_variable_infos): Add constraints for a result decl
1396 that is passed by hidden reference.
1397 (build_pred_graph): Mark all related variables non-direct on
1400 2009-01-14 Nick Clifton <nickc@redhat.com>
1402 * ira-conflicts.c: Include addresses.h for the definition of
1404 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1405 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1407 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1410 * Makefile.in (ira-lives.o): Add except.h.
1412 * ira-lives.c: Include except.h.
1413 (process_bb_node_lives): Process can_throw_internal.
1415 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1417 PR rtl-optimization/38774
1418 * combine.c (simplify_set): When undoing cc_use change, don't do
1419 PUT_CODE on the newly created comparison, but instead put back the
1422 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1424 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1425 values. Remove duplicate arm8 entry.
1427 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1429 PR tree-optimization/38786
1430 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1431 the SSA_NAME case of expand_scalar_variables_expr.
1432 Set the type of an expression to the type of its assign statement.
1433 (expand_scalar_variables_expr): Also gather the scalar computation
1434 used to index the memory access. Do not pass loop_p.
1435 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1436 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1437 the gimple_stmt_iterator where it inserts new code.
1439 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1440 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1442 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1444 * graphite.h (debug_value): Removed.
1445 * graphite.c (debug_value): Removed.
1447 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1449 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1450 ldrd/strd with two 32-bit instructions.
1452 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1454 * config/arm/arm.c (struct processors): Pass for speed down into
1455 cost helper functions.
1456 (const_ok_for_op): Handle COMPARE and inequality nodes.
1457 (arm_rtx_costs_1): Rewrite.
1458 (arm_size_rtx_costs): Update prototype.
1459 (arm_rtx_costs): Pass speed down to helper functions.
1460 (arm_slowmul_rtx_costs): Rework cost calculations.
1461 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1462 (arm_9e_rtx_costs): Likewise.
1464 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1466 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1467 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1468 (alpha_legitimize_address): Do not split local symbols wider than
1469 UNITS_PER_WORD into HIGH/LO_SUM parts.
1471 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1474 * gcc.c (process_command): Replace call to execvp with calls
1475 to pex_one and exit.
1477 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1480 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1481 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1482 variant for devices with 3-byte PC.
1483 (__tablejump_elpm__) : New.
1485 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1488 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1489 offsetof member-designator, handle it as `[0].'.
1491 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1493 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1494 function when not using named sections on targets with named sections
1495 if branch distance is less than 262132.
1497 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1499 * combine.c (combine_instructions): Recompute
1500 optimize_this_for_speed_p for each BB in the main combine loop.
1502 2009-01-12 Tomas Bily <tbily@suse.cz>
1505 * tree-loop-distribution.c (prop_phis): New function.
1506 (generate_builtin): Call prop_phis.
1507 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1509 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1511 PR tree-optimization/38807
1512 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1513 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1515 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1517 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1518 subreg of op0 to the original op0.
1520 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1522 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1524 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1527 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1528 starting with digits.
1530 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1533 * config/arm/arm.c (arm_is_long_call_p): Don't call
1534 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1536 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1538 * regrename.c (regrename_optimize): Fix dumping.
1539 (find_oldest_value_reg): Preserve REG_POINTER.
1540 (copy_hardreg_forward_1): Likewise.
1542 2009-01-09 Diego Novillo <dnovillo@google.com>
1544 * gimple.h (struct gimple_statement_base) <uid>: Document
1545 the restrictions on its use.
1547 (gimple_set_uid): Tidy.
1549 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1551 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1552 zero guard even if align_bytes != 0 and count is smaller than
1555 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1557 PR rtl-optimization/38495
1558 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1559 (add_range_and_copies_from_move_list): Print all added ranges.
1560 Add ranges to memory optimized destination.
1562 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1566 * config/i386/i386.c (override_options): Reject
1567 -mstringop-strategy=rep_8byte with -m32.
1568 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1569 to 1. Do count comparison against epilogue_size_needed at compile
1570 time even when count_exp was constant forced into register. For
1571 size_needed don't jump to epilogue, instead just avoid aligning
1572 and invoke the body algorithm. If need_zero_guard, add zero guard
1573 even if count is non-zero, but smaller than size_needed + number of
1574 bytes that could be stored for alignment.
1575 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1576 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1577 but smaller than size_needed + number of bytes that could be stored
1578 for alignment. Compare size_needed with epilogue_size_needed instead
1579 of desired_align - align, don't adjust size_needed, pass
1580 epilogue_size_needed to the epilogue expanders.
1583 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1585 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1587 * pa.c (last_address): Change to unsigned.
1588 (update_total_code_bytes): Change argument to unsigned. Don't
1589 check if insn addresses are set.
1590 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1591 addresses are not set.
1592 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1594 2009-01-09 Nick Clifton <nickc@redhat.com>
1596 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1597 DECL_DECLARED_INLINE_P.
1599 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1602 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1603 GET_MODE (op0) in operand_subword_force calls.
1606 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1607 fold_convert arg0 operands to TREE_TYPE (op0) first.
1609 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1611 * params.def (ira-max-conflict-table-size): Decrease default value
1614 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1616 PR tree-optimization/37031
1617 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1619 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1620 allocate it using gc instead of heap, use VEC_quick_push instead of
1622 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1623 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1624 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1625 allocated vector from heap allocated.
1626 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1627 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1628 vector only after perfect_loop_nest_depth call.
1630 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1631 Jan Sjodin <jan.sjodin@amd.com>
1633 PR tree-optimization/38559
1634 * graphite.c (debug_value, copy_constraint,
1635 swap_constraint_variables, scale_constraint_variable, ): New.
1636 (get_lower_bound, get_upper_bound): Removed.
1637 (graphite_trans_bb_strip_mine): Clean up this code that works
1638 only for constant number of iterations. Fully copy upper and
1639 lower bound constraints, not only the constant part of them.
1640 * graphite.h (debug_value): Declared.
1642 2009-01-08 Ira Rosen <irar@il.ibm.com>
1644 PR tree-optimization/37194
1645 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1646 Don't add the cost of cost model guard in prologue to scalar
1647 outside cost in case of known number of iterations.
1649 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1650 Alan Modra <amodra@bigpond.net.au>
1652 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1653 non-word-aligned REG+CONST addressing.
1655 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1658 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1659 free_after_compilation when outputting a thunk.
1660 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1661 Do not call free_after_compilation here.
1663 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1665 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1666 (ix86_valid_target_attribute_inner_p): Ditto.
1668 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1670 PR tree-optimization/38492
1671 PR tree-optimization/38498
1672 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1673 * tree-chrec.h (scev_is_linear_expression): Declared.
1674 * graphite.c (graphite_cannot_represent_loop_niter): New.
1675 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1676 (graphite_loop_normal_form): Use gcc_assert.
1677 (scan_tree_for_params): Use CASE_CONVERT.
1678 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1679 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1680 Use gcc_assert. Discard scops that contain unhandled cases.
1681 (build_scop_conditions): Return a boolean status for unhandled cases.
1682 (strip_mine_profitable_p): Print the loop number, not its depth.
1683 (is_interchange_valid): Pass the depth of the loop nest, don't
1684 recompute it wrongly.
1685 (graphite_trans_bb_block): Same.
1686 (graphite_trans_bb_block): Print tentative of loop blocking.
1687 (graphite_trans_scop_block): Do not print that the loop has been
1689 (graphite_transform_loops): Do not handle scops that contain condition
1692 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1694 AVX Programming Reference (December, 2008)
1695 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1696 (_mm256_stream_pd): Likewise.
1697 (_mm256_stream_ps): Likewise.
1699 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1700 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1701 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1702 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1703 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1704 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1705 (ix86_expand_special_args_builtin): Likewise.
1707 * config/i386/sse.md (AVXMODEDI): New.
1708 (avx_movnt<mode>): Likewise.
1709 (avx_movnt<mode>): Likewise.
1710 (<sse>_movnt<mode>): Remove AVX support.
1711 (sse2_movntv2di): Likewise.
1713 2009-01-07 Richard Guenther <rguenther@suse.de>
1716 * fold-const.c (extract_muldiv): Remove obsolete comment.
1717 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1718 to PLUS_EXPR canonicalization for the canonicalization.
1720 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1722 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1723 hosted cross-compilers generating less efficient code.
1725 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1727 * function.h (rtl_data): Add a dbr_scheduled_p field.
1728 * reorg.c (dbr_schedule): Set it.
1729 (gate_handle_delay_slots): Check it.
1730 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1731 (mips_reorg): Check flag_delayed_branch instead of
1732 mips_base_delayed_branch.
1733 (mips_override_options): Don't set mips_base_delayed_branch
1734 or flag_delayed_branch.
1736 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1738 PR rtl-optimization/38426.
1739 * ira.c (ira): Set current_function_is_leaf earlier.
1741 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1743 PR rtl-optimization/38722
1744 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1745 too early, only set a flag and modify after last possible
1748 2009-01-06 Janis Johnson <janis187@us.ibm.com>
1751 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1752 * real.c (decimal_single_format): Correct values of emin and emax.
1753 (decimal_double_format): Ditto.
1754 (decimal_quad_format): Ditto.
1755 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1756 computation of DECnn_MIN and DECnn_MAX for corrected values of
1757 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
1758 __DECnn_MIN__, and adjust its computation for the corrected value
1761 2009-01-06 Jan Hubicka <jh@suse.cz>
1764 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1766 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
1768 * doc/contrib.texi (Contributors): Slightly adjust the end note.
1769 Add Robert Clark to the list of testers.
1771 2009-01-06 Jan Hubicka <jh@suse.cz>
1772 Kai Tietz <kai.tietz@onevision.com>
1774 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1775 * config/i386/i386.c (ix86_expand_call): Add clobbers.
1777 2009-01-06 Jan Hubicka <jh@suse.cz>
1778 Kai Tietz <kai.tietz@onevision.com>
1780 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1782 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1783 (ix86_nsaved_regs): Count only general purpose regs.
1784 (ix86_nsaved_sseregs): New.
1785 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1786 to 16 for w64; compute padding and size of sse reg save area.
1787 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1788 general purpose regs.
1789 (ix86_emit_save_sse_regs_using_mov): New.
1790 (ix86_expand_prologue): Save SSE regs if needed.
1791 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1792 (ix86_emit_restore_sse_regs_using_mov): New.
1793 (ix86_expand_epilogue): Save SSE regs if needed.
1795 2009-01-06 Jan Hubicka <jh@suse.cz>
1796 Kai Tietz <kai.tietz@onevision.com>
1798 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1799 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1800 functions when accumulate outgoing args is off.
1802 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1805 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1806 before using pseudos_have_intersected_live_ranges_p.
1808 * ira-int.h (ira_assert): Always define.
1810 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
1812 AVX Programming Reference (December, 2008)
1813 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1814 (_mm256_permute2_pd): Likewise.
1815 (_mm_permute2_ps): Likewise.
1816 (_mm256_permute2_ps): Likewise.
1817 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1818 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1820 * config/i386/i386.c (ix86_builtins): Remove
1821 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1822 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1823 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1824 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1825 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1826 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1827 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1828 __builtin_ia32_vpermil2ps256.
1829 (ix86_init_mmx_sse_builtins): Updated.
1830 (ix86_expand_args_builtin): Likewise.
1832 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1834 * pa.c (output_call): Relocate non-jump insns in the delay slot of
1835 long absolute calls when generating PA 2.0 code.
1837 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
1839 PR rtl-optimization/38583
1840 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1842 * params.def (ira-max-conflict-table-size): New.
1844 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1846 * ira.h (ira_conflicts_p): New external definition.
1848 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1849 table. Report this. Return result of building.
1850 (ira_build_conflicts): Use ira_conflicts_p. Check result of
1851 building conflict table.
1853 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1854 (ira_color): Use ira_conflicts_p.
1856 * global.c: Include ira.h.
1857 (pseudo_for_reload_consideration_p, build_insn_chain): Use
1860 * Makefile.in (global.o): Add ira.h.
1862 * ira-build.c (mark_all_loops_for_removal,
1863 propagate_some_info_from_allocno): New.
1864 (remove_unnecessary_allocnos): Call
1865 propagate_some_info_from_allocno.
1866 (remove_low_level_allocnos): New.
1867 (remove_unnecessary_regions): Add parameter. Call
1868 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
1869 parameter to remove_unnecessary_regions.
1870 (ira_build): Remove all regions but root if the conflict table was
1871 not built. Update conflict hard regs for allocnos crossing calls.
1873 * ira.c (ira_conflicts_p): New global.
1874 (ira): Define and use ira_conflicts_p.
1876 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1877 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1878 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1880 2009-01-06 Ben Elliston <bje@au.ibm.com>
1882 * gengtype-lex.l (YY_NO_INPUT): Define.
1884 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
1887 * c-common.c (handle_vector_size_attribute): Also reject
1890 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
1892 PR tree-optimization/38492
1893 * graphite.c (rename_map_elt, debug_rename_elt,
1894 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1895 rename_map_elt_info, eq_rename_map_elts,
1896 get_new_name_from_old_name, bb_in_sese_p): Moved around.
1897 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1898 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1899 (sese_build_livein_liveouts): New.
1900 (new_sese, free_sese): New.
1901 (new_scop): Call new_sese.
1902 (free_scop): Call free_sese.
1903 (rename_variables_from_edge, rename_phis_end_scop): Removed.
1904 (register_old_new_names): Renamed register_old_and_new_names.
1905 (register_scop_liveout_renames, add_loop_exit_phis,
1906 insert_loop_close_phis, struct igp,
1907 default_liveout_before_guard, add_guard_exit_phis,
1908 insert_guard_phis, copy_renames): New.
1909 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1910 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1911 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1912 (scop_adjust_phis_for_liveouts): New.
1913 (gloog): Call scop_adjust_phis_for_liveouts.
1915 * graphite.h (struct sese): Documented. Added fields liveout,
1917 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1918 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1919 (struct scop): Added field liveout_renames.
1920 (SCOP_LIVEOUT_RENAMES): New.
1922 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1924 PR tree-optimization/38510
1925 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1926 (translate_clast): Call recompute_all_dominators before
1928 (gloog): Call recompute_all_dominators before graphite_verify.
1930 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
1931 Jan Sjodin <jan.sjodin@amd.com>
1933 PR tree-optimization/38500
1934 * graphite.c (create_sese_edges): Call fix_loop_structure after
1937 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1939 * config.gcc: Add m32r*-*-rtems*.
1940 * config/m32r/rtems.h: New file.
1942 2009-01-05 Ben Elliston <bje@au.ibm.com>
1944 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1945 (.po.pox): Likewise.
1946 (po/gcc.pot): Likewise.
1948 2009-01-04 David S. Miller <davem@davemloft.net>
1950 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1951 (STARTING_FRAME_OFFSET): Always set to zero.
1953 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1955 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1956 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1957 fixed-point types, and vectors of the same.
1959 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
1961 * config/mips/sync.md (*mb_barrier): Rename to...
1962 (*memory_barrier): ...this.
1964 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
1966 * doc/extend.texi (Function Attributes): Move @cindex after @item
1967 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1968 and put in alphabetical order. Fix 'target' name and put in order.
1969 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1972 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
1974 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1975 (memory_barrier): Expand as unspec instead of unspec_volatile.
1976 Remove mem:BLK from insn operands. Use Pmode scratch register.
1977 (*memory_barrier): Define as unspec instead of unspec_volatile.
1978 Use (match_dup 0) as input operand.
1980 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1981 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1982 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
1983 scratch register. Remove operand 1.
1984 (*stbar): Define as unspec instead of unspec_volatile.
1985 Use (match_dup 0) as input operand, remove (const_int 8).
1986 (*membar): Define as unspec instead of unspec_volatile.
1987 Use (match_dup 0) as input operand, remove input operand 2.
1989 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1990 (memory_barrier): Expand as unspec instead of unspec_volatile.
1991 Remove mem:BLK from insn operands. Use Pmode scratch register.
1992 (*memory_barrier): Define as unspec instead of unspec_volatile.
1993 Use (match_dup 0) as input operand.
1995 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1996 Remove mem:BLK from insn operands. Use Pmode scratch register.
1997 Set volatile flag on operand 0.
1998 (*memory_barrier): New insn pattern.
2000 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2002 (*memory_barrier): Use (match_dup 0) as input operand.
2004 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2005 Remove mem:BLK from insn operands. Use Pmode scratch register.
2006 Set volatile flag on operand 0.
2007 (*mb_internal): New insn pattern.
2009 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2011 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2014 * function.c (struct temp_slot): Move to the section of the file
2015 that deals with temp slots. Remove field 'address'.
2016 (temp_slot_address_table): New hash table of address -> temp slot.
2017 (struct temp_slot_address_entry): New struct, items for the table.
2018 (temp_slot_address_compute_hash, temp_slot_address_hash,
2019 temp_slot_address_eq, insert_temp_slot_address): Support functions
2021 (find_temp_slot_from_address): Rewrite to use the new hash table.
2022 (remove_unused_temp_slot_addresses): Remove addresses of temp
2023 slots that have been made available.
2024 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2025 worker function for remove_unused_temp_slot_addresses.
2026 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2027 Add the temp slot address to the address -> temp slot map.
2028 (update_temp_slot_address): Update via insert_temp_slot_address.
2029 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2030 (pop_temp_slots): Likewise.
2031 (init_temp_slots): Allocate the address -> temp slot map, or empty
2032 the map if it is already allocated.
2033 (prepare_function_start): Initialize temp slot processing.
2035 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2038 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2039 Calculate the size of all stack vars assuming no packing of stack
2040 vars will happen, replacing a quadratic algorithm with a linear one.
2042 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2045 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2048 2009-01-03 Diego Novillo <dnovillo@google.com>
2050 * doc/contrib.texi: Update contributions.
2052 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2055 * builtins.c (fold_builtin_memory_op): Give up if either operand
2056 is volatile. Set srctype or desttype to non-qualified version
2060 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2063 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2065 PR rtl-optimization/35805
2066 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2067 problem if fast dce is able to remove any instructions.
2068 * dce.c (dce_process_block): Fix dump message.
2070 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2073 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2075 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2078 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2079 * tree-pretty-print.c (op_code_prio): New function.
2080 (op_prio): No longer static. Use op_code_prio.
2081 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2082 Use op_prio and op_code_prio to determine if () should be
2083 printed around operand(s) or not.
2085 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2086 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2087 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2088 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2089 pp_character instead of pp_string for single letter printing.
2091 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2093 * doc/extend.texi: Fix '#pragma GCC option' typo.
2095 2009-01-02 Richard Guenther <rguenther@suse.de>
2097 * doc/install.texi (--enable-checking): Mention different
2099 (--enable-stage1-checking): Document.
2101 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2104 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2105 case to be an error.
2107 2009-01-02 Ben Elliston <bje@au.ibm.com>
2109 * config/fp-bit.h (pack_d): Constify argument.
2110 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2111 (isnan): Constify argument.
2115 (_fpadd_parts): Constify return type.
2116 (_fpmul_parts): Likewise.
2117 (_fpdiv_parts): Likewise.
2119 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2122 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2123 warn about overwriting initializer with side-effects or
2124 -Woverride-init if !IMPLICIT.
2125 (output_init_element): Likewise. Pass IMPLICIT down to
2127 (process_init_element): Add IMPLICIT argument. Pass it down
2128 to output_init_element.
2129 (push_init_element, pop_init_level, set_designator): Adjust
2130 process_init_element callers.
2131 (set_nonincremental_init, set_nonincremental_init_from_string):
2132 Adjust add_pending_init callers.
2133 (output_pending_init_elements): Adjust output_init_element callers.
2134 * c-tree.h (process_init_element): Adjust prototype.
2135 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2136 process_init_element callers.