1 2009-02-28 Jan Hubicka <jh@suse.cz>
3 * tree-inline.c (tree_function_versioning): Output debug info.
5 2009-02-28 Jan Hubicka <jh@suse.cz>
8 * tree-inline.c (setup_one_parameter): Do not copy propagate
9 arguments when not optimizing.
11 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
14 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
15 (avx_addsubv4df3): Likewise.
16 (*avx_addsubv4sf3): Likewise.
17 (sse3_addsubv4sf3): Likewise.
18 (*avx_addsubv2df3): Likewise.
19 (sse3_addsubv2df3): Likewise.
20 (avx_unpckhps256): Correct item selectors.
21 (avx_unpcklps256): Likewise.
22 (avx_unpckhpd256): Likewise.
23 (avx_unpcklpd256): Likewise.
25 2009-02-28 Jan Hubicka <jh@suse.cz>
27 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
29 (copy_arguments_for_versioning): If var is declared don't declare it.
30 (tree_function_versioning): First setup substitutions and then copy
33 2009-02-27 Jan Hubicka <jh@suse.cz>
36 * cgraph.h (varpool_output_debug_info): Remove.
37 * cgraphunit.c (varpool_output_debug_info): Remove.
38 * dwarf2out.c (deferred_locations_struct): New struct
39 (deferred_locations): New type.
40 (deferred_locations_list): New static var.
41 (deffer_location): New function.
42 (gen_variable_die): Use it.
43 (decls_for_scope): Output info on local static vars.
44 (dwarf2out_finish): Process deferred locations.
45 * varpool.c (varpool_output_debug_info): Remove.
47 2009-02-27 Jan Hubicka <jh@suse.cz>
50 * tree.h (TREE_PROTECTED): Fix comment.
51 (BLOCK_HANDLER_BLOCK): Remove.
52 (struct tree_block): Remove handler_block add body_block.
53 (inlined_function_outer_scope_p): New.
54 (is_body_block): Remove.
55 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
56 * dwarf2out.c (is_inlined_entry_point): Remove.
57 (add_high_low_attributes): Use inlined_function_outer_scope_p.
58 (gen_block_die): Use is_inlined_entry_point check. Remove body block
60 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
61 * gimplify.c (gimplify_expr): Gimplify body blocks.
62 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
63 block with multiple subblocks.
64 (dump_scope_block): Prettier output; dump more flags and info.
65 (dump_scope_blocks): New.
66 (remove_unused_locals): Use dump_scope_blocks.
67 * tree-flow.h (dump_scope_blocks): Declare.
68 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
69 * stmt.c (is_body_block): Remove.
70 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
71 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
73 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
76 * graphite.c (graphite_loop_normal_form): Do not call
77 number_of_iterations_exit from a gcc_assert.
79 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
81 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
82 jumps if COND is NULL.
83 (find_cond_jump): New function.
84 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
85 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
87 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
89 * config/alpha/alpha.h (alpha_expand_mov): Return false if
90 force_const_mem returns NULL_RTX.
92 2009-02-26 Jan Hubicka <jh@suse.cz>
95 * cgraph.h (varpool_output_debug_info): Remove.
96 * cgraphunit.c (varpool_output_debug_info): Remove.
97 * dwarf2out.c (deferred_locations_struct): New struct
98 (deferred_locations): New type.
99 (deferred_locations_list): New static var.
100 (deffer_location): New function.
101 (gen_variable_die): Use it.
102 (decls_for_scope): Output info on local static vars.
103 (dwarf2out_finish): Process deferred locations.
104 * varpool.c (varpool_output_debug_info): Remove.
106 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
108 PR rtl-optimization/39241
109 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
110 to subreg_offset_representable_p.
112 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
114 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
115 execute function prototype. Get f and nregs from max_reg_num
116 and get_insns. Remove the first backward pass as it's dead,
117 guard the forward pass by flag_expensive_optimizations.
118 (rest_of_handle_regmove): Delete.
119 (pass_regmove): Replace it with regmove_optimize.
121 2009-02-25 Martin Jambor <mjambor@suse.cz>
123 PR tree-optimization/39259
124 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
125 alls_alloca function flags.
126 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
129 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
131 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
132 flags_set_1_rtx, flags_set_1_set): Delete.
133 (regmove_optimize): Do not call mark_flags_life_zones.
135 2009-02-24 Julian Brown <julian@codesourcery.com>
138 * config/arm/arm.c (require_pic_register): Only set
139 cfun->machine->pic_reg once per function.
141 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
143 * doc/invoke.texi (Link Options): Document an easier way to pass
144 options that take arguments to the GNU linker using -Xlinker and -Wl.
146 2009-02-24 Steve Ellcey <sje@cup.hp.com>
149 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
151 2009-02-24 Richard Guenther <rguenther@suse.de>
154 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
156 2009-02-24 Richard Guenther <rguenther@suse.de>
157 Zdenek Dvorak <ook@ucw.cz>
159 PR tree-optimization/39233
160 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
161 from converting them to a generic type.
163 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
165 PR tree-optimization/39260
166 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
167 contains a condition with a real type.
168 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
170 2009-02-23 Jason Merrill <jason@redhat.com>
173 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
174 narrowing_initializer_constant_valid_p.
175 (narrowing_initializer_constant_valid_p): Don't return
176 null_pointer_node for adding a pointer to itself.
178 2009-02-23 Jan Hubicka <jh@suse.cz>
181 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
184 2009-02-23 Jan Hubicka <jh@suse.cz>
186 PR tree-optimization/37709
187 * tree.c (block_ultimate_origin): Move here from dwarf2out.
188 * tree.h (block_ultimate_origin): Declare.
189 * dwarf2out.c (block_ultimate_origin): Move to tree.c
190 * tree-ssa-live.c (remove_unused_scope_block_p):
191 Eliminate blocks containig no instructions nor live variables nor
193 (dump_scope_block): New function.
194 (remove_unused_locals): Enable removal of dead blocks by default;
195 enable dumping at TDF_DETAILS.
197 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/i386.c (classify_argument): Don't allow COImode
201 (function_arg_advance_32): Don't allow OImode.
202 (function_arg_32): Likewise.
203 (function_value_32): Likewise.
204 (return_in_memory_32): Likewise.
205 (function_arg_64): Remove OImode comment.
207 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
210 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
211 ix86_expand_vector_set for V4DImode in 64bit mode only.
212 (ix86_expand_vector_init_one_var): Likewise.
214 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
216 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
218 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
221 * loop-iv.c: Revert last change.
222 * emit-rtl.c: Likewise.
224 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
227 * config/i386/i386.c (type_natural_mode): Remove an extra
228 space in the warning message.
229 (function_value_32): Handle 32-byte vector modes.
230 (return_in_memory_32): Likewise.
232 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
234 * loop-iv.c (truncate_value): New function.
235 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
237 (lowpart_subreg): Move to...
238 * emit-rtl.c: ...here.
240 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
242 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
243 accidental and undocumented change at revision 140860.
245 2009-02-21 Joseph Myers <joseph@codesourcery.com>
247 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
248 take gimple_seq * arguments.
249 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
250 types_compatible_p langhook.
252 2009-02-20 Mark Mitchell <mark@codesourcery.com>
253 Joseph Myers <joseph@codesourcery.com>
255 * config/arm/arm.c (arm_builtin_va_list): New function.
256 (arm_expand_builtin_va_start): Likewise.
257 (arm_gimplify_va_arg_expr): Likewise.
258 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
259 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
260 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
261 (va_list_type): New variable.
262 (arm_mangle_type): Mangle va_list_type appropriately.
264 2009-02-20 Jakub Jelinek <jakub@redhat.com>
267 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
268 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
269 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
270 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
271 parameter to 1000 for -O1 by default.
272 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
274 * loop-invariant.c: Include params.h.
275 (move_loop_invariants): Don't call move_single_loop_invariants on
278 2009-02-20 Jaka Mocnik <jaka@xlab.si>
280 * calls.c (emit_library_call_value_1): Use slot_offset instead of
281 offset when calculating bounds for indexing stack_usage_map. Fixes
282 a buffer overflow with certain target setups.
284 2009-02-20 Jakub Jelinek <jakub@redhat.com>
287 * calls.c (expand_call): Clear try_tail_call if caller and callee
288 disagree in promotion of function return value.
290 2009-02-19 Jakub Jelinek <jakub@redhat.com>
293 * c-common.c (c_determine_visibility): If visibility changed and
294 DECL_RTL has been already set, call make_decl_rtl to update symbol
297 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
300 * varasm.c (assemble_variable): Don't check DECL_NAME when
301 globalizing a variable.
303 2009-02-19 Joseph Myers <joseph@codesourcery.com>
306 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
307 expression before any __builtin_trap call.
308 * c-typeck.c (build_function_call): Convert and check function
309 arguments before generating a call to a trap. Evaluate the
310 function arguments before the trap.
312 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
315 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
316 (UNSPEC_FXAM_MEM): New unspec.
317 (fxam<mode>2_i387_with_temp): New insn and split pattern.
318 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
319 memory using fxam<mode>2_i387_with_temp to remove excess precision.
321 2009-02-19 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/39207
324 PR tree-optimization/39074
325 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
326 storedanything_tree): New.
327 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
328 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
329 (build_succ_graph): Add edges from STOREDANYTHING to all
331 (init_base_vars): Initialize STOREDANYTHING.
332 (compute_points_to_sets): Free substitution info after
333 building the succ graph.
334 (ipa_pta_execute): Likewise.
336 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
338 (do_ds_constraint): Do not add to special var or non-pointer
340 (type_could_have_pointers): Split out from ...
341 (could_have_pointers): ... here. For arrays use the element type.
342 (create_variable_info_for): Initialize may_have_pointers.
343 (new_var_info): Likewise.
344 (handle_lhs_call): Make the HEAP variable unknown-sized.
345 (intra_create_variable_infos): Use a type with pointers for
346 PARM_NOALIAS, make it unknown-sized.
348 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
351 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
353 2009-02-18 Jason Merrill <jason@redhat.com>
356 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
357 value if DECL_EXTERNAL.
358 * tree-sra.c (sra_walk_gimple_assign): Likewise.
359 * target.h (gcc_target::binds_local_p): Clarify "module".
360 * tree.h (TREE_PUBLIC): Clarify "module".
362 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
365 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
366 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
368 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
371 * c.opt (Wabi): Support C and ObjC.
374 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
376 * config/i386/i386.c (classify_argument): Warn once about the ABI
377 change when passing union with long double.
379 * doc/invoke.texi: Update -Wabi for warning psABI changes.
381 2009-02-18 Joseph Myers <joseph@codesourcery.com>
384 * c-parser.c (c_parser_compound_statement): Always enter and leave
387 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
390 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
392 2009-02-18 Jakub Jelinek <jakub@redhat.com>
394 PR tree-optimization/36922
395 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
396 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
399 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
401 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
404 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
406 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
408 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
410 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
413 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
414 Richard Sandiford <rdsandiford@googlemail.com>
416 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
417 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
418 (loongson_biadd): ...this.
420 2009-02-17 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/39202
423 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
424 a var make sure to follow existing collapses.
426 2009-02-17 Richard Guenther <rguenther@suse.de>
429 * langhooks.c (lhd_print_error_function): Check for NULL block.
431 2009-02-17 Richard Guenther <rguenther@suse.de>
433 PR tree-optimization/39204
434 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
437 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
439 * config/soft-fp/double.h: Update from glibc CVS.
441 2009-02-17 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/39207
444 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
445 strict-aliasing warnings for pointers pointing to NULL.
447 2009-02-16 Joseph Myers <joseph@codesourcery.com>
450 * c-parser.c (c_parser_braced_init): Call pop_init_level when
451 skipping until next close brace.
453 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
456 * config/i386/i386.c (ix86_expand_push): Set memory alignment
457 to function argument boundary.
459 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
461 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
462 in the lea_add. Reload eventually constraints it properly.
463 * config/picochip/constraints.md : Remove the target constraint
464 "b", since it is not needed anymore.
466 2009-02-16 Jakub Jelinek <jakub@redhat.com>
468 * gthr-dce.h: Uglify function parameter and local variable names.
469 * gthr-gnat.h: Likewise.
470 * gthr-mipssde.h: Likewise.
471 * gthr-nks.h: Likewise.
472 * gthr-posix95.h: Likewise.
473 * gthr-posix.h: Likewise.
474 * gthr-rtems.h: Likewise.
475 * gthr-single.h: Likewise.
476 * gthr-solaris.h: Likewise.
477 * gthr-tpf.h: Likewise.
478 * gthr-vxworks.h: Likewise.
479 * gthr-win32.h: Likewise.
481 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
484 * config/i386/i386.md: Restrict the new peephole2 to move
485 between MMX/SSE registers.
487 2009-02-15 Richard Guenther <rguenther@suse.de>
490 2009-02-13 Richard Guenther <rguenther@suse.de>
492 * configure.ac: Enable LFS.
493 * configure: Re-generate.
494 * config.in: Likewise.
496 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
498 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
499 spu_srqwbyte, spu_srqwbytebc): Define.
500 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
501 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
502 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
503 "shrqby_<mode>"): New insn-and-split patterns.
504 * config/spu/spu.c (expand_builtin_args): Determine and return
505 number of operands using spu_builtin_description data.
506 (spu_expand_builtin_1): Use it.
508 2009-02-13 Steve Ellcey <sje@cup.hp.com>
511 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
514 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
517 * config/i386/i386.c (override_options): Correct warning
518 messages for -malign-loops, -malign-jumps and -malign-functions.
520 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
523 * config/i386/i386.md: Restrict the new peephole2 to move
524 between the general purpose registers.
526 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
529 * config/i386/i386.c (type_natural_mode): Add a new argument.
530 Return the original mode and warn ABI change if vector size is 32byte.
531 (function_arg_advance): Updated.
532 (function_arg): Likewise.
533 (ix86_function_value): Likewise.
534 (ix86_return_in_memory): Likewise.
535 (ix86_sol10_return_in_memory): Likewise.
536 (ix86_gimplify_va_arg): Likewise.
537 (function_arg_32): Don't warn ABX ABI change here.
538 (function_arg_64): Likewise.
540 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
542 * loop-iv.c (implies_p): In the final case, test that operands 0
543 of the two comparisons match.
545 * config/bfin/bfin.c (find_prev_insn_start): New function.
546 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
547 (find_next_insn_start): Move.
549 2009-02-13 Richard Guenther <rguenther@suse.de>
551 * configure.ac: Enable LFS.
552 * configure: Re-generate.
553 * config.in: Likewise.
555 2009-02-13 Joseph Myers <joseph@codesourcery.com>
558 * c-parser.c (c_parser_parms_list_declarator): Discard pending
559 sizes on syntax error after some arguments have been parsed.
561 2009-02-12 Jakub Jelinek <jakub@redhat.com>
563 * doc/invoke.texi (-fira): Remove.
565 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
567 * caller-save.c: Replace regclass.c with reginfo.c in comments.
571 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
573 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
574 (umul_ppmm): Likewise.
575 (count_leading_zeros): Likewise.
576 (count_trailing_zeros): Likewise.
577 (UMUL_TIME): Likewise.
579 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
581 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
582 soft-fp/t-softfp to tmake_file.
584 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
585 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
586 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
587 IA64_BUILTIN_INFQ]: New.
588 (ia64_init_builtins): Initialize __builtin_infq,
589 __builtin_fabsq and __builtin_copysignq if not HPUX.
590 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
591 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
593 * config/ia64/lib1funcs.asm (__divtf3): Define only if
595 (__fixtfti): Likewise.
596 (__fixunstfti): Likewise.
597 (__floattitf): Likewise.
599 * config/ia64/libgcc-glibc.ver: New.
600 * config/ia64/t-fprules-softfp: Likewise.
601 * config/ia64/sfp-machine.h: Likewise.
603 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
604 (LIBGCC2_TF_CEXT): Likewise.
606 (TARGET_INIT_LIBFUNCS): Likewise.
608 * config/ia64/t-glibc (SHLINB_MAPFILES):
609 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
611 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
613 * config/i386/i386.c (construct_container): Rewrite processing
614 BLKmode with X86_64_SSE_CLASS.
616 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
619 * config/i386/i386.md: Replace simplify_replace_rtx with
620 replace_rtx in the new peephole2.
622 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
624 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
625 loop unrolling do not happen at -O2.
627 2009-02-12 Michael Matz <matz@suse.de>
629 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
631 2009-02-12 Jakub Jelinek <jakub@redhat.com>
633 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
636 2009-02-12 Ben Elliston <bje@au.ibm.com>
638 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
639 patterns when updating the back chain. Missed in the 2009-02-10
642 2009-02-11 Janis Johnson <janis187@us.ibm.com>
644 * doc/extend.texi (Decimal Floating Types): Update identifier of
645 draft TR and list of missing support.
647 2009-02-11 Jakub Jelinek <jakub@redhat.com>
650 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
651 bit to variable length decl's flags, add it also to its
652 pointer replacement variable.
654 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
655 Jakub Jelinek <jakub@redhat.com>
658 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
659 (memory_blockage): New expander.
660 (*memory_blockage): New insn pattern.
661 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
662 instead of general blockage at the end of function prologue when
663 frame pointer is used to access red zone area. Do not emit blockage
664 when profiling, it is emitted in generic code.
665 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
666 function epilogue when frame pointer is used to access red zone area.
668 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
671 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
672 by arithmetic with memory operands.
673 * config/i386/predicates.md (commutative_operator): New.
675 2009-02-10 Janis Johnson <janis187@us.ibm.com>
677 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
680 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
682 * alias.h (record_alias_subset): Declare.
683 * alias.c (record_alias_subset): Make global.
685 2009-02-10 Nick Clifton <nickc@redhat.com>
687 * tree-parloops.c: Change license to GPLv3.
688 * ipa-struct-reorg.c: Change license to GPLv3.
689 * ipa-struct-reorg.h: Change license to GPLv3.
691 2009-02-10 Steve Ellcey <sje@cup.hp.com>
694 * c-decl.c (start_struct): Return NULL on error.
696 2009-02-10 Jakub Jelinek <jakub@redhat.com>
699 * cfgloopmanip.c (remove_path): Call remove_bbs after
700 cancel_loop_tree, not before it.
703 * function.h (struct function): Add has_local_explicit_reg_vars bit.
704 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
706 * tree-ssa-live.c (remove_unused_locals): Recompute
707 cfun->has_local_explicit_reg_vars.
708 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
709 copies or clearings if cfun->has_local_explicit_reg_vars.
711 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
714 * config/i386/i386.c (expand_prologue): Emit blockage at the end
715 of function prologue when frame pointer is used to access
718 2009-02-10 Richard Guenther <rguenther@suse.de>
721 * gimplify.c (gimple_regimplify_operands): Always look if
722 we need to create a temporary.
724 2009-02-10 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/39132
727 * tree-loop-distribution.c (todo): New global var.
728 (generate_memset_zero): Trigger TODO_rebuild_alias.
729 (tree_loop_distribution): Return todo.
731 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
734 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
735 (x86_64_reg_class_name): Removed.
736 (classify_argument): Return 0 if bytes > 32. Return 0 if the
737 first one isn't X86_64_SSE_CLASS or any other ones aren't
738 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
739 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
740 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
741 and 3 X86_64_SSEUP_CLASS.
742 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
743 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
745 2009-02-10 Ben Elliston <bje@au.ibm.com>
747 * config/rs6000/rs6000.md (allocate_stack): Always use an update
748 form instruction to update the stack back chain word, even if the
749 user has disabled the generation of update instructions.
750 (movdi_<mode>_update_stack): New.
751 (movsi_update_stack): Likewise.
752 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
753 always use an update form instruction to update the stack back
756 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
759 * graphite.c (if_region_set_false_region): After moving a region in
760 the false branch of a condition, remove the empty dummy basic block.
761 (gloog): Remove wrong fix for PR38953.
763 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
765 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
766 generation due to implicit sign extension.
768 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
771 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
772 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
774 2009-02-09 Richard Guenther <rguenther@suse.de>
777 * convert.c (convert_to_real): Disable (float)fn((double)x)
778 to fnf(x) conversion if errno differences may occur and
781 2009-02-07 Anatoly Sokolov <aesok@post.ru>
783 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
784 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
785 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
787 2009-02-06 Joseph Myers <joseph@codesourcery.com>
790 * c-common.c (handle_alias_attribute): Disallow attribute for
791 anything not a FUNCTION_DECL or VAR_DECL.
793 2009-02-06 Janis Johnson <janis187@us.ibm.com>
796 * real.c (do_compare): Special-case compare of zero against
799 2009-02-06 Joseph Myers <joseph@codesourcery.com>
802 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
803 as indicating flexible array members unless the field itself is
804 being declarared as the incomplete array.
806 2009-02-06 Jan Hubicka <jh@suse.cz>
808 PR tree-optimization/38844
809 * ipa-inline.c (try_inline): Stop inlining recursion when edge
812 2009-02-06 Richard Guenther <rguenther@suse.de>
815 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
816 fork because we may expand it as __gcov_fork.
818 2009-02-06 Nick Clifton <nickc@redhat.com>
820 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
822 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
824 PR tree-optimization/35659
825 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
826 vn_phi_eq): Shortcut if hashcode does not match.
827 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
829 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
830 and avoid iterative_hash_expr.
831 (FOR_EACH_VALUE_ID_IN_SET): New.
832 (value_id_compare): Remove.
833 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
834 sort expressions by value id.
836 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
839 * config/sh/predicates.md (general_movsrc_operand): Don't check
840 the subreg of system registers here.
842 2009-02-05 Jakub Jelinek <jakub@redhat.com>
845 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
848 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
850 PR rtl-optimization/39110
851 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
852 addresses, not aligned ones.
854 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
855 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/39100
858 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
859 comment says and add edges.
861 2009-02-05 Joseph Myers <joseph@codesourcery.com>
864 * c-common.c (handle_tls_model_attribute): Ignore attribute for
865 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
867 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
869 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
870 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
871 register_bb_in_sese, new_sese, free_sese): Moved.
872 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
873 outermost_loop_in_scop, build_scop_iteration_domain,
874 expand_scalar_variables_ssa_name, get_vdef_before_scop,
875 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
876 Use loop_in_sese_p instead of loop_in_scop_p.
877 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
878 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
879 (scopdet_basic_block_info): Fix bug in scop detection.
880 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
881 eq_loop_to_cloog_loop): Remove.
882 (nb_loops_around_loop_in_scop, nb_loop
883 ref_nb_loops): Moved here...
884 * graphite.h (ref_nb_loops): ... from here.
885 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
886 (loop_domain_dim, loop_iteration_vector_dim): Remove.
887 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
888 * testsuite/gcc.dg/graphite/scop-19.c: New
890 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
891 Hans-Peter Nilsson <hp@axis.com>
893 PR rtl-optimization/37889
894 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
895 Move offset handling from PLUS to before the switch. Use new
896 arguments when considering SYMBOL_REFs too.
897 (rtx_addr_can_trap_p): Pass dummy offset and size.
898 (enum may_trap_p_flags): Remove.
899 (may_trap_p_1): Pass size from MEM_SIZE.
901 PR rtl-optimization/38921
902 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
903 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
904 * rtlanal.c (may_trap_after_code_motion_p): Delete.
905 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
907 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
909 AVX Programming Reference (January, 2009)
910 * config/i386/sse.md (*vpclmulqdq): New.
912 2009-02-04 Jakub Jelinek <jakub@redhat.com>
914 PR tree-optimization/38977
915 PR gcov-profile/38292
916 * calls.c (special_function_p): Disregard __builtin_ prefix.
918 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
920 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
921 non-indexable addresses even before reload.
923 2009-02-03 Joseph Myers <joseph@codesourcery.com>
926 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
927 as having variable size. Do not give an error for unnamed
928 parameters with [*] declarators. Give a warning for type names
929 with [*] declarators and mark them as variable size.
930 * c-parser.c (c_parser_sizeof_expression): Do not give an error
931 for sizeof applied to [*] type names.
933 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
936 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
938 2009-02-03 Jakub Jelinek <jakub@redhat.com>
940 * gcc.c (process_command): Update copyright notice dates.
941 * gcov.c (print_version): Likewise.
942 * gcov-dump.c (print_version): Likewise.
943 * mips-tfile.c (main): Likewise.
944 * mips-tdump.c (main): Likewise.
946 2009-02-03 Joseph Myers <joseph@codesourcery.com>
949 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
950 for composite type involving a zero-length array type.
952 2009-02-03 Jakub Jelinek <jakub@redhat.com>
955 * function.c (match_asm_constraints_1): Skip over
956 initial optional % in the constraint.
959 * c-parser.c (c_parser_postfix_expression): If fixed point is not
960 supported, don't accept FIXED_CSTs.
961 * c-decl.c (finish_declspecs): Error if fixed point is not supported
962 and _Sat is used without _Fract/_Accum. Set specs->type to
963 integer_type_node for cts_fract/cts_accum if fixed point is not
966 2009-02-02 Catherine Moore <clm@codesourcery.com>
968 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
970 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
972 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
973 (ABI_HAS_64BIT_SYMBOLS): Use it.
974 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
976 2009-02-02 Paul Brook <paul@codesourcery.com>
978 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
980 2009-02-02 Jakub Jelinek <jakub@redhat.com>
983 * recog.h (asm_operand_ok): Add constraints argument.
984 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
985 recurse on matching constraint.
986 (check_asm_operands): Pass constraints as 3rd argument to
987 asm_operand_ok. Don't look up matching constraint here.
988 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
991 2009-02-02 Ben Elliston <bje@au.ibm.com>
993 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
994 TARGET_NARROW_VOLATILE_BITFIELD macro names.
996 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
998 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
999 information. Remove some obsolete information. Reorganize.
1001 * config/pa/fptr.c: Revert license to GPL 2.
1002 * config/pa/milli64.S: Likewise.
1004 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1007 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1008 LIBRARY name in, instead of hard-coding it.
1009 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1010 extra target make frag to tmake_files according to EH model.
1011 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1012 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1013 frags that define makefile variable EH_MODEL appropriately.
1014 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1015 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1016 to "-sjlj" according to type of EH configured.
1017 (LIBGCC_SONAME): Concatenate it to shared library base name.
1018 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1019 to "_sjlj" according to type of EH configured.
1020 (LIBGCC_SONAME): Concatenate it to shared library base name.
1021 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1022 (SHLIB_LINK): Add missing semicolon to if-else construct.
1023 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1024 string value of "pe_dll" command-line option.
1025 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1026 (SHLIB_SONAME): Use it when overriding t-cygming default.
1027 (SHLIB_IMPLIB): Override t-cygming default.
1028 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1029 string value of "pe_dll" command-line option.
1031 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1034 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1035 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1037 2009-01-31 Richard Guenther <rguenther@suse.de>
1039 PR tree-optimization/38937
1040 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1041 computing the transitive closure.
1043 2009-01-30 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/39041
1046 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1047 Propagate variable indices only if the types match for this stmt.
1049 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1052 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1053 inline but never defined.
1055 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1057 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1058 (*insv_h_di_reg_extimm): New insn.
1059 (*insv_l<mode>_reg_extimm): New insn.
1061 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1063 * config/picochip/picochip.c (flag_conserve_stack): set
1064 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1065 fconserve-stack. Reduce call-overhead used by inliner.
1067 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1070 * common.opt (flag_conserve_stack): Initialised to zero.
1072 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1075 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1076 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1079 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1081 * ira-color.c (allocno_reload_assign): Update comments.
1082 * regmove.c (regmove_optimize): Likewise.
1086 2009-01-29 Robert Millan <rmh@aybabtu.com>
1088 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1089 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1090 `MD_UNWIND_SUPPORT'.
1091 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1093 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1095 PR tree-optimization/39007
1096 * tree-loop-distribution.c (generate_builtin): Use
1097 recompute_dominator to compute the immediate dominator of the
1098 basic block just after the loop.
1100 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1102 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1103 (ASM_OUTPUT_DWARF_PCREL): Define.
1105 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1107 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1108 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1109 global. Modify entries about regmove and IRA.
1111 * ra-conflict.c: Remove the file.
1113 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1115 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1116 (pass_regclass_init): Rename to pass_reginfo_init.
1118 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1120 * toplev.h (flag_ira): Remove.
1122 * caller-save.c (setup_save_areas): Remove flag_ira.
1124 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1126 * global.c: Remove the file.
1128 * opts.c: (decode_options): Remove flag_ira.
1130 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1132 * regmove.c: Modify file description.
1133 (find_use_as_address, try_auto_increment): Define them only if
1134 AUTO_INC_DEC is defined.
1135 (replacement_quality, replace_in_call_usage, fixup_match_1,
1136 stable_and_no_regs_but_for_p): Remove.
1137 (reg_set_in_bb): Make it static.
1138 (regmove_optimize): Remove flag_ira and code which worked for
1141 * local-alloc.c: Remove the file.
1143 * common.opt (fira): Remove.
1145 * ira.c: Include except.h.
1146 (eliminable_regset): Move from global.c.
1147 (mark_elimination): Ditto. Remove flag_ira.
1148 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1149 equiv_mem_modified, validate_equiv_mem_from_store,
1150 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1151 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1152 no_equiv, recorded_label_ref): Move from local-alloc.c.
1153 (update_equiv_regs): Ditto. Make it static.
1154 (print_insn_chain, print_insn_chains): Move it from global.c.
1155 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1156 (build_insn_chain): Ditto. Make it static.
1157 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1158 Rename to init_live_subregs.
1159 (gate_ira): Remove flag_ira.
1161 * regclass.c: Rename reginfo.c. Change file description.
1162 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1163 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1164 (init_reg_sets_1): Remove code for evaluation of
1165 reg_class_superclasses and losing_caller_save_reg_set.
1166 (init_regs): Remove init_reg_autoinc.
1167 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1168 ok_for_base_p_nonstrict): Remove.
1169 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1170 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1171 corresponding entries.
1172 (dump_regclass, record_operand_costs, scan_one_insn,
1173 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1174 record_address_regs, auto_inc_dec_reg_p): Remove.
1175 (gt-regclass.h): Rename to gt-reginfo.h.
1177 * rtl.h (dump_global_regs, retry_global_alloc,
1178 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1180 * Makefile.in (RA_H): Remove.
1181 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1182 Rename regclass.o to reginfo.o.
1183 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1185 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1186 (GTFILES): Rename regclass.c to reginfo.c.
1188 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1189 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1191 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1192 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1194 (finish_spills): Ditto. Remove code for !flag_ira.
1196 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1199 * doc/invoke.texi (rtl debug options): Complete rewrite.
1200 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1202 * mode-switching.c (pass_mode_switching): Rename pass from
1203 "mode-sw" to "mode_sw".
1204 * except.c (pass_convert_to_eh_ranges): Rename pass from
1205 "eh-ranges" to "eh_ranges".
1206 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1210 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1211 Alexander Monakov <amonakov@ispras.ru>
1214 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1216 (move_exprs_to_boundary): Change return type and pass through
1217 should_move from move_op. Relax assert. Update usage ...
1218 (schedule_expr_on_boundary): ... here. Use should_move instead of
1220 (move_op_orig_expr_found): Indicate that insn was disconnected from
1222 (code_motion_process_successors): Do not call after_merge_succs
1223 callback if original expression was not found when traversing any of
1225 (code_motion_path_driver): Change return type. Update prototype.
1226 (move_op): Update comment. Add a new parameter (should_move). Update
1227 prototype. Set *should_move based on indication provided by
1228 move_op_orig_expr_found.
1230 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1232 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1233 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1234 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1235 * config/rs6000/rs6000.c (rs6000_override_options): Default
1236 avoid-indexed-addresses on for Power6, off for everything else.
1237 (avoiding_indexed_address_p): New function.
1238 (rs6000_legitimize_address): Use it.
1239 (rs6000_legitimate_address): Likewise.
1240 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1242 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1244 PR tree-optimization/38997
1245 * tree-loop-distribution.c (generate_memset_zero): Use
1246 POINTER_PLUS_EXPR for a pointer addition.
1248 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1250 * config/s390/s390.md (bswap<mode>2): New pattern added.
1252 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1254 * config/s390/s390.md (*tls_load_31): Added type attribute.
1256 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1258 * config/s390/s390.md: Fix a few comments.
1260 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1262 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1263 (*tm<mode>_full): Fixed z10prop attribute.
1264 (*tst<mode>_extimm): Fixed z10prop attribute.
1265 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1266 (*tstqiCCT_cconly): Fixed z10prop attribute.
1267 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1268 (*movsi_larl): Fixed z10prop attribute.
1269 (*movsi_zarch): Fixed z10prop attribute.
1270 (*movsi_eas): Fixed z10prop attribute.
1271 (*movhi): Fixed z10prop attribute.
1272 (*movqi): Fixed z10prop attribute.
1273 (*movstrictqi): Fixed z10prop attribute.
1274 (*mov<mode>): Fixed z10prop attribute.
1275 (*movcc): Fixed z10prop attribute.
1276 (*sethighpartdi_64): Fixed z10prop attribute.
1277 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1278 (*negdi2_sign_cc): Fixed z10prop attribute.
1279 (*negdi2_sign): Fixed z10prop attribute.
1280 (*absdi2_sign_cc): Fixed z10prop attribute.
1281 (*absdi2_sign): Fixed z10prop attribute.
1282 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1283 (*negabsdi2_sign): Fixed z10prop attribute.
1284 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1285 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1286 (doloop_si64): Fixed z10prop attribute.
1287 (doloop_si31): Fixed z10prop attribute.
1288 (doloop_long): Fixed z10prop attribute.
1289 (indirect_jump): Fixed z10prop attribute.
1290 (nop): Fixed z10prop attribute.
1291 (main_base_64): Fixed z10prop attribute.
1292 (reload_base_64): Fixed z10prop attribute.
1294 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1296 PR rtl-optimization/38740
1297 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1299 * config/mips/mips.c (mips_reorg): Likewise.
1301 2009-01-28 Richard Guenther <rguenther@suse.de>
1303 PR tree-optimization/38926
1304 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1305 with the correct value id to a value.
1306 (do_regular_insertion): Use the value number of edoubleprime
1307 for the value number of the expr.
1310 2008-08-21 Richard Guenther <rguenther@suse.de>
1312 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1313 a PHI ask VN if it is already available.
1314 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1315 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1317 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1320 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1321 set to varying whenever max has TREE_OVERFLOW set, similarly
1322 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1324 2009-01-28 Richard Guenther <rguenther@suse.de>
1327 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1328 uninitialized aggregate uses in call arguments.
1330 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1332 PR tree-optimization/38984
1333 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1334 the nothing_id variable if -fno-delete-null-pointer-checks.
1336 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1339 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1340 (set_got_offset_rex64): Ditto.
1342 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1345 * doc/extend.texi: Improve local variable with asm reg.
1347 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1349 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1350 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1351 was not supplied then set warn_packed_bitfield_compat to the
1353 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1356 2009-01-27 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/38503
1359 * cfgexpand.c (expand_gimple_basic_block): Ignore
1360 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1361 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1362 variables that cannot have TBAA applied.
1363 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1366 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1369 * calls.c (initialize_argument_information): Do not wrap complex
1370 arguments in SAVE_EXPR.
1372 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1374 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1375 (INSTALL_LIBGCC): Revert typo commit.
1377 2009-01-26 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/38745
1380 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1381 from special handling.
1383 2009-01-26 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/38745
1386 * tree-ssa.c (execute_update_addresses_taken): Do not include
1387 variables that cannot possibly be a register in not_reg_needs.
1388 Do not clear TREE_ADDRESSABLE on vars that may not become
1390 * tree-ssa.c (update_alias_info_1): Include those in the set
1391 of addressable vars.
1393 2009-01-26 Richard Guenther <rguenther@suse.de>
1396 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1397 * tree-ssa-dse.c: Include langhooks.h
1398 (execute_simple_dse): Remove stores with zero size.
1400 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1403 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1406 2009-01-24 Julian Brown <julian@codesourcery.com>
1408 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1409 config/arm/linux-atomic.c.
1410 * config/arm/linux-atomic.c: New.
1412 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1414 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1415 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1416 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1418 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1421 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1424 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1426 PR tree-optimization/38953
1427 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1428 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1429 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1430 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1433 2009-01-24 Paul Brook <paul@codesourcery.com>
1435 * config/arm/neon.md (neon_type): Move to arm.md.
1436 (neon_mov<VSTRUCT>): Add neon_type attribute.
1437 * config/arm/arm.md (neon_type): Move to here.
1438 (conds): Add "unconditioal" and use as default for NEON insns.
1440 2009-01-24 Ben Elliston <bje@au.ibm.com>
1442 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1443 void *' warning from -Wc++-compat.
1444 * Makefile.in (dominance.o-warn): Remove.
1446 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1448 PR tree-optimization/38932
1449 * fold-const.c (fold_unary_ignore_overflow): New.
1450 * tree.h (fold_unary_ignore_overflow): Declare.
1451 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1452 * tree-ssa-sccvn.c (visit_reference_op_load,
1453 simplify_unary_expression): Likewise.
1455 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1457 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1458 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1459 regardless of their type.
1460 * c-common.c (handle_packed_attribute): Don't ignore packed on
1462 * c.opt (Wpacked-bitfield-compat): New warning option.
1463 * stor-layout.c (place_field): Warn if offset of a field changed.
1464 * doc/extend.texi (packed): Mention the ABI change.
1465 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1466 (Warning Options): Add it to the list.
1468 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1470 * c-opts.c (c_common_post_options): Fix a typo in comments.
1472 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1475 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1476 variables to static.
1477 * doc/invoke.texi (-fmerge-all-constants): Update description.
1479 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1482 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1483 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1485 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1487 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1489 (LOCAL_ALIGNMENT): Similarly.
1491 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1492 Joseph Myers <joseph@codesourcery.com>
1494 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1495 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1496 * config/arm/arm-tune.md: Regenerate.
1497 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1500 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1502 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1503 version number to five.
1505 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1508 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1509 * c-common.c (set_underlying_type): Likewise.
1510 (is_typedef_decl ): Likewise
1512 (set_underlying_type): Likewise.
1513 (is_typedef_type): Likewise.
1515 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1518 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1521 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1524 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1525 (LIBGCC_SPEC): Don't define.
1526 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1528 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1530 PR rtl-optimization/38879
1531 * alias.c (base_alias_check): Unaligned access via AND address can
1532 alias all surrounding object types except those with sizes equal
1533 or wider than the size of unaligned access.
1535 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1538 * c-decl.c: (clone_underlying_type): Move this ...
1539 * c-common.c (set_underlying_type): ... here.
1540 Also, make sure the function properly sets TYPE_STUB_DECL() on
1541 the newly created typedef variant type.
1542 (is_typedef_decl ): New entry point.
1543 * tree.h: Added a new member member_types_needing_access_check to
1544 struct tree_decl_non_common.
1545 (set_underlying_type): New entry point.
1546 (is_typedef_type): Likewise.
1548 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1550 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1551 Check whether two instructions have memory references that
1552 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1553 are helper functions for traversing.
1554 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1555 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1556 not to draw dependency edge for instructions with non-conflicting
1559 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1562 * longlong.h: Update copyright years. Use soft-fp license notice.
1563 Sync __clz_tab declaration with glibc.
1565 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1568 * doc/extend.texi (syscall_linkage): New.
1569 (version_id): Modify.
1571 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1572 Richard Guenther <rguenther@suse.de>
1574 PR tree-optimization/38747
1575 PR tree-optimization/38748
1576 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1577 conversion if the base address is an indirect reference and the
1578 aliasing sets could cause issues.
1580 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1582 * common.opt (fgraphite, fgraphite-identity): Add comment for
1583 explaining why these options are not documented.
1585 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1587 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1588 gimple_call_lhs is NULL.
1590 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1593 * emit-rtl.c (adjust_address_1): Make sure memref is never
1596 2009-01-20 Ben Elliston <bje@au.ibm.com>
1598 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1599 const qualifier from arg parameter. Remove unnecessary cast to char *.
1600 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1601 const qualifier from arg 2.
1603 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1605 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1607 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1610 * rtl.h (reinit_regs): New prototype.
1611 * regclass.c: Include ira.h.
1613 * Makefile.in (regclass.o): Add ira.h.
1614 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1616 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1619 * c-common.c (handle_aligned_attribute): Use
1620 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1621 default alignment value.
1623 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1625 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1626 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1628 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1629 __BIGGEST_ALIGNMENT__.
1631 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1633 2009-01-18 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/38819
1636 * tree-flow.h (operation_could_trap_helper_p): Declare.
1637 * tree-eh.c (operation_could_trap_helper_p): Export.
1638 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1639 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1640 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1641 are about to insert a possibly trapping instruction and fail
1644 2009-01-18 Andreas Schwab <schwab@suse.de>
1646 * doc/install.texi (Configuration): Remove obsolete paragraph
1647 about use of --with-gnu-ld with --with-gnu-as.
1649 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1651 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1652 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1653 Follow spelling conventions.
1655 2009-01-18 Ben Elliston <bje@au.ibm.com>
1657 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1658 C++ warning about implicit conversion from void * to struct
1660 (bitmap_obstack_free): Likewise for bitmap_element *.
1661 * Makefile.in (bitmap.o-warn): Remove.
1663 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1665 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1667 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1668 Tobias Grosser <tobi.grosser@amd.com>
1670 * graphite.c (graphite_trans_scop_block): Do not block single
1673 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1675 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1676 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1677 test with assertion.
1679 2009-01-16 Richard Guenther <rguenther@suse.de>
1681 PR tree-optimization/38835
1683 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1684 and INT + PTR -> (INT)(PTR p+ INT) folding.
1685 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1687 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1690 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1691 the subreg from a lowpart subreg if it is also casting the value.
1693 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1694 Tobias Grosser <tobi.grosser@amd.com>
1696 * graphite.c (compare_prefix_loops): New.
1697 (build_scop_canonical_schedules): Rewritten.
1698 (graphite_transform_loops): Move build_scop_canonical_schedules
1699 after build_scop_iteration_domain.
1701 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1702 Tobias Grosser <tobi.grosser@amd.com>
1704 * graphite.c (add_conditions_to_domain): Add the loops to
1705 the dimension of the iteration domain. Do copy the domain
1706 only when it exists.
1707 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1708 (add_conditions_to_constraints): New.
1709 (can_generate_code_stmt, can_generate_code): Removed.
1710 (gloog): Do not call can_generate_code.
1711 (graphite_transform_loops): Call add_conditions_to_constraints
1712 after building the iteration domain.
1714 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1716 PR tree-optimization/38789
1717 * tree-ssa-threadedge.c
1718 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1719 __builtin_constant_p.
1721 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1723 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1724 examined before deleting them.
1726 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1728 * function.c (aggregate_value_p): Correctly extract the function
1729 type from CALL_EXPR_FN lookup.
1731 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1733 * config/picochip/picochip.c (picochip_override_options): Revert
1734 CFI asm flag disable commited previously.
1736 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1737 Tobias Grosser <tobi.grosser@amd.com>
1738 Jan Sjodin <jan.sjodin@amd.com>
1740 * graphite.c (scan_tree_for_params): On substractions negate
1741 all the coefficients of the term.
1742 (clast_to_gcc_expression_red): New. Handle reduction expressions
1743 of more than two operands.
1744 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1745 (get_vdef_before_scop): Handle also the case of default definitions.
1747 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1749 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1750 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1751 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1753 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1754 Joey Ye <joey.ye@intel.com>
1757 * cfgexpand.c (expand_stack_alignment): Don't update stack
1758 boundary nor check incoming stack boundary here.
1759 (gimple_expand_cfg): Update stack boundary and check incoming
1760 stack boundary here.
1762 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1764 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1766 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1768 PR rtl-optimization/38245
1769 * calls.c (expand_call): Add stack arguments to
1770 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1771 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1772 in regs and partially in memory or BLKmode arguments.
1773 (emit_library_call_value_1): Add stack arguments to
1774 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1775 ACCUMULATE_OUTGOING_ARGS).
1776 * dce.c: Include tm_p.h.
1777 (find_call_stack_args): New function.
1778 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1780 (mark_insn): Call find_call_stack_args for CALL_Ps.
1781 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1782 forwards. Allocate and free arg_stores bitmap if needed, pass it
1783 down to deletable_insn_p, don't mark stores set in arg_stores
1784 bitmap, clear the bitmap at the beginning of each bb.
1785 * Makefile.in (dce.o): Depend on $(TM_P_H).
1787 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1790 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1791 to make sure the insn is a conditional test (bug 22599). Reformat a
1794 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1797 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1798 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1799 (gloog): Do not call cleanup_tree_cfg.
1800 (graphite_transform_loops): Call cleanup_tree_cfg after all
1801 scops have been code generated.
1803 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1804 * doc/gty.texi (Invoking the garbage collector): Added new node
1805 and section documenting ggc_collect.
1807 2009-01-14 Richard Guenther <rguenther@suse.de>
1809 PR tree-optimization/38826
1811 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1812 initialization notes only if we actually emitted a warning.
1813 (intra_create_variable_infos): Add constraints for a result decl
1814 that is passed by hidden reference.
1815 (build_pred_graph): Mark all related variables non-direct on
1818 2009-01-14 Nick Clifton <nickc@redhat.com>
1820 * ira-conflicts.c: Include addresses.h for the definition of
1822 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1823 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1825 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1828 * Makefile.in (ira-lives.o): Add except.h.
1830 * ira-lives.c: Include except.h.
1831 (process_bb_node_lives): Process can_throw_internal.
1833 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1835 PR rtl-optimization/38774
1836 * combine.c (simplify_set): When undoing cc_use change, don't do
1837 PUT_CODE on the newly created comparison, but instead put back the
1840 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1842 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1843 values. Remove duplicate arm8 entry.
1845 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1847 PR tree-optimization/38786
1848 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1849 the SSA_NAME case of expand_scalar_variables_expr.
1850 Set the type of an expression to the type of its assign statement.
1851 (expand_scalar_variables_expr): Also gather the scalar computation
1852 used to index the memory access. Do not pass loop_p.
1853 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1854 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1855 the gimple_stmt_iterator where it inserts new code.
1857 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1858 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1860 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1862 * graphite.h (debug_value): Removed.
1863 * graphite.c (debug_value): Removed.
1865 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1867 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1868 ldrd/strd with two 32-bit instructions.
1870 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1872 * config/arm/arm.c (struct processors): Pass for speed down into
1873 cost helper functions.
1874 (const_ok_for_op): Handle COMPARE and inequality nodes.
1875 (arm_rtx_costs_1): Rewrite.
1876 (arm_size_rtx_costs): Update prototype.
1877 (arm_rtx_costs): Pass speed down to helper functions.
1878 (arm_slowmul_rtx_costs): Rework cost calculations.
1879 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1880 (arm_9e_rtx_costs): Likewise.
1882 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1884 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1885 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1886 (alpha_legitimize_address): Do not split local symbols wider than
1887 UNITS_PER_WORD into HIGH/LO_SUM parts.
1889 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1892 * gcc.c (process_command): Replace call to execvp with calls
1893 to pex_one and exit.
1895 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1898 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1899 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1900 variant for devices with 3-byte PC.
1901 (__tablejump_elpm__) : New.
1903 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1906 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1907 offsetof member-designator, handle it as `[0].'.
1909 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1911 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1912 function when not using named sections on targets with named sections
1913 if branch distance is less than 262132.
1915 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1917 * combine.c (combine_instructions): Recompute
1918 optimize_this_for_speed_p for each BB in the main combine loop.
1920 2009-01-12 Tomas Bily <tbily@suse.cz>
1923 * tree-loop-distribution.c (prop_phis): New function.
1924 (generate_builtin): Call prop_phis.
1925 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1927 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1929 PR tree-optimization/38807
1930 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1931 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1933 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1935 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1936 subreg of op0 to the original op0.
1938 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1940 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1942 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1945 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1946 starting with digits.
1948 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1951 * config/arm/arm.c (arm_is_long_call_p): Don't call
1952 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1954 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1956 * regrename.c (regrename_optimize): Fix dumping.
1957 (find_oldest_value_reg): Preserve REG_POINTER.
1958 (copy_hardreg_forward_1): Likewise.
1960 2009-01-09 Diego Novillo <dnovillo@google.com>
1962 * gimple.h (struct gimple_statement_base) <uid>: Document
1963 the restrictions on its use.
1965 (gimple_set_uid): Tidy.
1967 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1969 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1970 zero guard even if align_bytes != 0 and count is smaller than
1973 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1975 PR rtl-optimization/38495
1976 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1977 (add_range_and_copies_from_move_list): Print all added ranges.
1978 Add ranges to memory optimized destination.
1980 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1984 * config/i386/i386.c (override_options): Reject
1985 -mstringop-strategy=rep_8byte with -m32.
1986 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1987 to 1. Do count comparison against epilogue_size_needed at compile
1988 time even when count_exp was constant forced into register. For
1989 size_needed don't jump to epilogue, instead just avoid aligning
1990 and invoke the body algorithm. If need_zero_guard, add zero guard
1991 even if count is non-zero, but smaller than size_needed + number of
1992 bytes that could be stored for alignment.
1993 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1994 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1995 but smaller than size_needed + number of bytes that could be stored
1996 for alignment. Compare size_needed with epilogue_size_needed instead
1997 of desired_align - align, don't adjust size_needed, pass
1998 epilogue_size_needed to the epilogue expanders.
2001 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2003 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2005 * pa.c (last_address): Change to unsigned.
2006 (update_total_code_bytes): Change argument to unsigned. Don't
2007 check if insn addresses are set.
2008 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2009 addresses are not set.
2010 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2012 2009-01-09 Nick Clifton <nickc@redhat.com>
2014 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2015 DECL_DECLARED_INLINE_P.
2017 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2020 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2021 GET_MODE (op0) in operand_subword_force calls.
2024 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2025 fold_convert arg0 operands to TREE_TYPE (op0) first.
2027 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2029 * params.def (ira-max-conflict-table-size): Decrease default value
2032 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2034 PR tree-optimization/37031
2035 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2037 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2038 allocate it using gc instead of heap, use VEC_quick_push instead of
2040 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2041 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2042 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2043 allocated vector from heap allocated.
2044 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2045 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2046 vector only after perfect_loop_nest_depth call.
2048 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2049 Jan Sjodin <jan.sjodin@amd.com>
2051 PR tree-optimization/38559
2052 * graphite.c (debug_value, copy_constraint,
2053 swap_constraint_variables, scale_constraint_variable, ): New.
2054 (get_lower_bound, get_upper_bound): Removed.
2055 (graphite_trans_bb_strip_mine): Clean up this code that works
2056 only for constant number of iterations. Fully copy upper and
2057 lower bound constraints, not only the constant part of them.
2058 * graphite.h (debug_value): Declared.
2060 2009-01-08 Ira Rosen <irar@il.ibm.com>
2062 PR tree-optimization/37194
2063 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2064 Don't add the cost of cost model guard in prologue to scalar
2065 outside cost in case of known number of iterations.
2067 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2068 Alan Modra <amodra@bigpond.net.au>
2070 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2071 non-word-aligned REG+CONST addressing.
2073 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2076 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2077 free_after_compilation when outputting a thunk.
2078 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2079 Do not call free_after_compilation here.
2081 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2083 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2084 (ix86_valid_target_attribute_inner_p): Ditto.
2086 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2088 PR tree-optimization/38492
2089 PR tree-optimization/38498
2090 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2091 * tree-chrec.h (scev_is_linear_expression): Declared.
2092 * graphite.c (graphite_cannot_represent_loop_niter): New.
2093 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2094 (graphite_loop_normal_form): Use gcc_assert.
2095 (scan_tree_for_params): Use CASE_CONVERT.
2096 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2097 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2098 Use gcc_assert. Discard scops that contain unhandled cases.
2099 (build_scop_conditions): Return a boolean status for unhandled cases.
2100 (strip_mine_profitable_p): Print the loop number, not its depth.
2101 (is_interchange_valid): Pass the depth of the loop nest, don't
2102 recompute it wrongly.
2103 (graphite_trans_bb_block): Same.
2104 (graphite_trans_bb_block): Print tentative of loop blocking.
2105 (graphite_trans_scop_block): Do not print that the loop has been
2107 (graphite_transform_loops): Do not handle scops that contain condition
2110 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2112 AVX Programming Reference (December, 2008)
2113 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2114 (_mm256_stream_pd): Likewise.
2115 (_mm256_stream_ps): Likewise.
2117 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2118 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2119 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2120 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2121 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2122 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2123 (ix86_expand_special_args_builtin): Likewise.
2125 * config/i386/sse.md (AVXMODEDI): New.
2126 (avx_movnt<mode>): Likewise.
2127 (avx_movnt<mode>): Likewise.
2128 (<sse>_movnt<mode>): Remove AVX support.
2129 (sse2_movntv2di): Likewise.
2131 2009-01-07 Richard Guenther <rguenther@suse.de>
2134 * fold-const.c (extract_muldiv): Remove obsolete comment.
2135 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2136 to PLUS_EXPR canonicalization for the canonicalization.
2138 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2140 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2141 hosted cross-compilers generating less efficient code.
2143 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2145 * function.h (rtl_data): Add a dbr_scheduled_p field.
2146 * reorg.c (dbr_schedule): Set it.
2147 (gate_handle_delay_slots): Check it.
2148 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2149 (mips_reorg): Check flag_delayed_branch instead of
2150 mips_base_delayed_branch.
2151 (mips_override_options): Don't set mips_base_delayed_branch
2152 or flag_delayed_branch.
2154 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2156 PR rtl-optimization/38426.
2157 * ira.c (ira): Set current_function_is_leaf earlier.
2159 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2161 PR rtl-optimization/38722
2162 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2163 too early, only set a flag and modify after last possible
2166 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2169 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2170 * real.c (decimal_single_format): Correct values of emin and emax.
2171 (decimal_double_format): Ditto.
2172 (decimal_quad_format): Ditto.
2173 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2174 computation of DECnn_MIN and DECnn_MAX for corrected values of
2175 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2176 __DECnn_MIN__, and adjust its computation for the corrected value
2179 2009-01-06 Jan Hubicka <jh@suse.cz>
2182 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2184 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2186 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2187 Add Robert Clark to the list of testers.
2189 2009-01-06 Jan Hubicka <jh@suse.cz>
2190 Kai Tietz <kai.tietz@onevision.com>
2192 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2193 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2195 2009-01-06 Jan Hubicka <jh@suse.cz>
2196 Kai Tietz <kai.tietz@onevision.com>
2198 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2200 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2201 (ix86_nsaved_regs): Count only general purpose regs.
2202 (ix86_nsaved_sseregs): New.
2203 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2204 to 16 for w64; compute padding and size of sse reg save area.
2205 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2206 general purpose regs.
2207 (ix86_emit_save_sse_regs_using_mov): New.
2208 (ix86_expand_prologue): Save SSE regs if needed.
2209 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2210 (ix86_emit_restore_sse_regs_using_mov): New.
2211 (ix86_expand_epilogue): Save SSE regs if needed.
2213 2009-01-06 Jan Hubicka <jh@suse.cz>
2214 Kai Tietz <kai.tietz@onevision.com>
2216 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2217 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2218 functions when accumulate outgoing args is off.
2220 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2223 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2224 before using pseudos_have_intersected_live_ranges_p.
2226 * ira-int.h (ira_assert): Always define.
2228 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2230 AVX Programming Reference (December, 2008)
2231 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2232 (_mm256_permute2_pd): Likewise.
2233 (_mm_permute2_ps): Likewise.
2234 (_mm256_permute2_ps): Likewise.
2235 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2236 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2238 * config/i386/i386.c (ix86_builtins): Remove
2239 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2240 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2241 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2242 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2243 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2244 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2245 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2246 __builtin_ia32_vpermil2ps256.
2247 (ix86_init_mmx_sse_builtins): Updated.
2248 (ix86_expand_args_builtin): Likewise.
2250 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2252 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2253 long absolute calls when generating PA 2.0 code.
2255 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2257 PR rtl-optimization/38583
2258 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2260 * params.def (ira-max-conflict-table-size): New.
2262 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2264 * ira.h (ira_conflicts_p): New external definition.
2266 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2267 table. Report this. Return result of building.
2268 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2269 building conflict table.
2271 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2272 (ira_color): Use ira_conflicts_p.
2274 * global.c: Include ira.h.
2275 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2278 * Makefile.in (global.o): Add ira.h.
2280 * ira-build.c (mark_all_loops_for_removal,
2281 propagate_some_info_from_allocno): New.
2282 (remove_unnecessary_allocnos): Call
2283 propagate_some_info_from_allocno.
2284 (remove_low_level_allocnos): New.
2285 (remove_unnecessary_regions): Add parameter. Call
2286 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2287 parameter to remove_unnecessary_regions.
2288 (ira_build): Remove all regions but root if the conflict table was
2289 not built. Update conflict hard regs for allocnos crossing calls.
2291 * ira.c (ira_conflicts_p): New global.
2292 (ira): Define and use ira_conflicts_p.
2294 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2295 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2296 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2298 2009-01-06 Ben Elliston <bje@au.ibm.com>
2300 * gengtype-lex.l (YY_NO_INPUT): Define.
2302 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2305 * c-common.c (handle_vector_size_attribute): Also reject
2308 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2310 PR tree-optimization/38492
2311 * graphite.c (rename_map_elt, debug_rename_elt,
2312 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2313 rename_map_elt_info, eq_rename_map_elts,
2314 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2315 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2316 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2317 (sese_build_livein_liveouts): New.
2318 (new_sese, free_sese): New.
2319 (new_scop): Call new_sese.
2320 (free_scop): Call free_sese.
2321 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2322 (register_old_new_names): Renamed register_old_and_new_names.
2323 (register_scop_liveout_renames, add_loop_exit_phis,
2324 insert_loop_close_phis, struct igp,
2325 default_liveout_before_guard, add_guard_exit_phis,
2326 insert_guard_phis, copy_renames): New.
2327 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2328 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2329 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2330 (scop_adjust_phis_for_liveouts): New.
2331 (gloog): Call scop_adjust_phis_for_liveouts.
2333 * graphite.h (struct sese): Documented. Added fields liveout,
2335 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2336 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2337 (struct scop): Added field liveout_renames.
2338 (SCOP_LIVEOUT_RENAMES): New.
2340 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2342 PR tree-optimization/38510
2343 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2344 (translate_clast): Call recompute_all_dominators before
2346 (gloog): Call recompute_all_dominators before graphite_verify.
2348 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2349 Jan Sjodin <jan.sjodin@amd.com>
2351 PR tree-optimization/38500
2352 * graphite.c (create_sese_edges): Call fix_loop_structure after
2355 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2357 * config.gcc: Add m32r*-*-rtems*.
2358 * config/m32r/rtems.h: New file.
2360 2009-01-05 Ben Elliston <bje@au.ibm.com>
2362 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2363 (.po.pox): Likewise.
2364 (po/gcc.pot): Likewise.
2366 2009-01-04 David S. Miller <davem@davemloft.net>
2368 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2369 (STARTING_FRAME_OFFSET): Always set to zero.
2371 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2373 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2374 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2375 fixed-point types, and vectors of the same.
2377 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2379 * config/mips/sync.md (*mb_barrier): Rename to...
2380 (*memory_barrier): ...this.
2382 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2384 * doc/extend.texi (Function Attributes): Move @cindex after @item
2385 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2386 and put in alphabetical order. Fix 'target' name and put in order.
2387 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2390 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2392 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2393 (memory_barrier): Expand as unspec instead of unspec_volatile.
2394 Remove mem:BLK from insn operands. Use Pmode scratch register.
2395 (*memory_barrier): Define as unspec instead of unspec_volatile.
2396 Use (match_dup 0) as input operand.
2398 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2399 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2400 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2401 scratch register. Remove operand 1.
2402 (*stbar): Define as unspec instead of unspec_volatile.
2403 Use (match_dup 0) as input operand, remove (const_int 8).
2404 (*membar): Define as unspec instead of unspec_volatile.
2405 Use (match_dup 0) as input operand, remove input operand 2.
2407 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2408 (memory_barrier): Expand as unspec instead of unspec_volatile.
2409 Remove mem:BLK from insn operands. Use Pmode scratch register.
2410 (*memory_barrier): Define as unspec instead of unspec_volatile.
2411 Use (match_dup 0) as input operand.
2413 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2414 Remove mem:BLK from insn operands. Use Pmode scratch register.
2415 Set volatile flag on operand 0.
2416 (*memory_barrier): New insn pattern.
2418 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2420 (*memory_barrier): Use (match_dup 0) as input operand.
2422 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2423 Remove mem:BLK from insn operands. Use Pmode scratch register.
2424 Set volatile flag on operand 0.
2425 (*mb_internal): New insn pattern.
2427 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2429 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2432 * function.c (struct temp_slot): Move to the section of the file
2433 that deals with temp slots. Remove field 'address'.
2434 (temp_slot_address_table): New hash table of address -> temp slot.
2435 (struct temp_slot_address_entry): New struct, items for the table.
2436 (temp_slot_address_compute_hash, temp_slot_address_hash,
2437 temp_slot_address_eq, insert_temp_slot_address): Support functions
2439 (find_temp_slot_from_address): Rewrite to use the new hash table.
2440 (remove_unused_temp_slot_addresses): Remove addresses of temp
2441 slots that have been made available.
2442 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2443 worker function for remove_unused_temp_slot_addresses.
2444 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2445 Add the temp slot address to the address -> temp slot map.
2446 (update_temp_slot_address): Update via insert_temp_slot_address.
2447 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2448 (pop_temp_slots): Likewise.
2449 (init_temp_slots): Allocate the address -> temp slot map, or empty
2450 the map if it is already allocated.
2451 (prepare_function_start): Initialize temp slot processing.
2453 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2456 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2457 Calculate the size of all stack vars assuming no packing of stack
2458 vars will happen, replacing a quadratic algorithm with a linear one.
2460 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2463 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2466 2009-01-03 Diego Novillo <dnovillo@google.com>
2468 * doc/contrib.texi: Update contributions.
2470 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2473 * builtins.c (fold_builtin_memory_op): Give up if either operand
2474 is volatile. Set srctype or desttype to non-qualified version
2478 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2481 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2483 PR rtl-optimization/35805
2484 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2485 problem if fast dce is able to remove any instructions.
2486 * dce.c (dce_process_block): Fix dump message.
2488 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2491 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2493 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2496 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2497 * tree-pretty-print.c (op_code_prio): New function.
2498 (op_prio): No longer static. Use op_code_prio.
2499 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2500 Use op_prio and op_code_prio to determine if () should be
2501 printed around operand(s) or not.
2503 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2504 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2505 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2506 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2507 pp_character instead of pp_string for single letter printing.
2509 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2511 * doc/extend.texi: Fix '#pragma GCC option' typo.
2513 2009-01-02 Richard Guenther <rguenther@suse.de>
2515 * doc/install.texi (--enable-checking): Mention different
2517 (--enable-stage1-checking): Document.
2519 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2522 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2523 case to be an error.
2525 2009-01-02 Ben Elliston <bje@au.ibm.com>
2527 * config/fp-bit.h (pack_d): Constify argument.
2528 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2529 (isnan): Constify argument.
2533 (_fpadd_parts): Constify return type.
2534 (_fpmul_parts): Likewise.
2535 (_fpdiv_parts): Likewise.
2537 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2540 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2541 warn about overwriting initializer with side-effects or
2542 -Woverride-init if !IMPLICIT.
2543 (output_init_element): Likewise. Pass IMPLICIT down to
2545 (process_init_element): Add IMPLICIT argument. Pass it down
2546 to output_init_element.
2547 (push_init_element, pop_init_level, set_designator): Adjust
2548 process_init_element callers.
2549 (set_nonincremental_init, set_nonincremental_init_from_string):
2550 Adjust add_pending_init callers.
2551 (output_pending_init_elements): Adjust output_init_element callers.
2552 * c-tree.h (process_init_element): Adjust prototype.
2553 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2554 process_init_element callers.