1 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * doc/options.texi (Option file format): Fix bad indentation,
4 restoring dropped sentence.
6 2009-02-28 Jan Hubicka <jh@suse.cz>
8 * tree-inline.c (tree_function_versioning): Output debug info.
10 2009-02-28 Jan Hubicka <jh@suse.cz>
13 * tree-inline.c (setup_one_parameter): Do not copy propagate
14 arguments when not optimizing.
16 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
19 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
20 (avx_addsubv4df3): Likewise.
21 (*avx_addsubv4sf3): Likewise.
22 (sse3_addsubv4sf3): Likewise.
23 (*avx_addsubv2df3): Likewise.
24 (sse3_addsubv2df3): Likewise.
25 (avx_unpckhps256): Correct item selectors.
26 (avx_unpcklps256): Likewise.
27 (avx_unpckhpd256): Likewise.
28 (avx_unpcklpd256): Likewise.
30 2009-02-28 Jan Hubicka <jh@suse.cz>
32 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
34 (copy_arguments_for_versioning): If var is declared don't declare it.
35 (tree_function_versioning): First setup substitutions and then copy
38 2009-02-27 Jan Hubicka <jh@suse.cz>
41 * cgraph.h (varpool_output_debug_info): Remove.
42 * cgraphunit.c (varpool_output_debug_info): Remove.
43 * dwarf2out.c (deferred_locations_struct): New struct
44 (deferred_locations): New type.
45 (deferred_locations_list): New static var.
46 (deffer_location): New function.
47 (gen_variable_die): Use it.
48 (decls_for_scope): Output info on local static vars.
49 (dwarf2out_finish): Process deferred locations.
50 * varpool.c (varpool_output_debug_info): Remove.
52 2009-02-27 Jan Hubicka <jh@suse.cz>
55 * tree.h (TREE_PROTECTED): Fix comment.
56 (BLOCK_HANDLER_BLOCK): Remove.
57 (struct tree_block): Remove handler_block add body_block.
58 (inlined_function_outer_scope_p): New.
59 (is_body_block): Remove.
60 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
61 * dwarf2out.c (is_inlined_entry_point): Remove.
62 (add_high_low_attributes): Use inlined_function_outer_scope_p.
63 (gen_block_die): Use is_inlined_entry_point check. Remove body block
65 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
66 * gimplify.c (gimplify_expr): Gimplify body blocks.
67 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
68 block with multiple subblocks.
69 (dump_scope_block): Prettier output; dump more flags and info.
70 (dump_scope_blocks): New.
71 (remove_unused_locals): Use dump_scope_blocks.
72 * tree-flow.h (dump_scope_blocks): Declare.
73 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
74 * stmt.c (is_body_block): Remove.
75 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
76 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
78 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
81 * graphite.c (graphite_loop_normal_form): Do not call
82 number_of_iterations_exit from a gcc_assert.
84 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
86 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
87 jumps if COND is NULL.
88 (find_cond_jump): New function.
89 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
90 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
92 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
94 * config/alpha/alpha.h (alpha_expand_mov): Return false if
95 force_const_mem returns NULL_RTX.
97 2009-02-26 Jan Hubicka <jh@suse.cz>
100 * cgraph.h (varpool_output_debug_info): Remove.
101 * cgraphunit.c (varpool_output_debug_info): Remove.
102 * dwarf2out.c (deferred_locations_struct): New struct
103 (deferred_locations): New type.
104 (deferred_locations_list): New static var.
105 (deffer_location): New function.
106 (gen_variable_die): Use it.
107 (decls_for_scope): Output info on local static vars.
108 (dwarf2out_finish): Process deferred locations.
109 * varpool.c (varpool_output_debug_info): Remove.
111 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
113 PR rtl-optimization/39241
114 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
115 to subreg_offset_representable_p.
117 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
119 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
120 execute function prototype. Get f and nregs from max_reg_num
121 and get_insns. Remove the first backward pass as it's dead,
122 guard the forward pass by flag_expensive_optimizations.
123 (rest_of_handle_regmove): Delete.
124 (pass_regmove): Replace it with regmove_optimize.
126 2009-02-25 Martin Jambor <mjambor@suse.cz>
128 PR tree-optimization/39259
129 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
130 alls_alloca function flags.
131 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
134 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
136 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
137 flags_set_1_rtx, flags_set_1_set): Delete.
138 (regmove_optimize): Do not call mark_flags_life_zones.
140 2009-02-24 Julian Brown <julian@codesourcery.com>
143 * config/arm/arm.c (require_pic_register): Only set
144 cfun->machine->pic_reg once per function.
146 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
148 * doc/invoke.texi (Link Options): Document an easier way to pass
149 options that take arguments to the GNU linker using -Xlinker and -Wl.
151 2009-02-24 Steve Ellcey <sje@cup.hp.com>
154 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
156 2009-02-24 Richard Guenther <rguenther@suse.de>
159 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
161 2009-02-24 Richard Guenther <rguenther@suse.de>
162 Zdenek Dvorak <ook@ucw.cz>
164 PR tree-optimization/39233
165 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
166 from converting them to a generic type.
168 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
170 PR tree-optimization/39260
171 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
172 contains a condition with a real type.
173 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
175 2009-02-23 Jason Merrill <jason@redhat.com>
178 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
179 narrowing_initializer_constant_valid_p.
180 (narrowing_initializer_constant_valid_p): Don't return
181 null_pointer_node for adding a pointer to itself.
183 2009-02-23 Jan Hubicka <jh@suse.cz>
186 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
189 2009-02-23 Jan Hubicka <jh@suse.cz>
191 PR tree-optimization/37709
192 * tree.c (block_ultimate_origin): Move here from dwarf2out.
193 * tree.h (block_ultimate_origin): Declare.
194 * dwarf2out.c (block_ultimate_origin): Move to tree.c
195 * tree-ssa-live.c (remove_unused_scope_block_p):
196 Eliminate blocks containig no instructions nor live variables nor
198 (dump_scope_block): New function.
199 (remove_unused_locals): Enable removal of dead blocks by default;
200 enable dumping at TDF_DETAILS.
202 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
204 * config/i386/i386.c (classify_argument): Don't allow COImode
206 (function_arg_advance_32): Don't allow OImode.
207 (function_arg_32): Likewise.
208 (function_value_32): Likewise.
209 (return_in_memory_32): Likewise.
210 (function_arg_64): Remove OImode comment.
212 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
215 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
216 ix86_expand_vector_set for V4DImode in 64bit mode only.
217 (ix86_expand_vector_init_one_var): Likewise.
219 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
221 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
223 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
226 * loop-iv.c: Revert last change.
227 * emit-rtl.c: Likewise.
229 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
232 * config/i386/i386.c (type_natural_mode): Remove an extra
233 space in the warning message.
234 (function_value_32): Handle 32-byte vector modes.
235 (return_in_memory_32): Likewise.
237 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
239 * loop-iv.c (truncate_value): New function.
240 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
242 (lowpart_subreg): Move to...
243 * emit-rtl.c: ...here.
245 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
247 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
248 accidental and undocumented change at revision 140860.
250 2009-02-21 Joseph Myers <joseph@codesourcery.com>
252 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
253 take gimple_seq * arguments.
254 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
255 types_compatible_p langhook.
257 2009-02-20 Mark Mitchell <mark@codesourcery.com>
258 Joseph Myers <joseph@codesourcery.com>
260 * config/arm/arm.c (arm_builtin_va_list): New function.
261 (arm_expand_builtin_va_start): Likewise.
262 (arm_gimplify_va_arg_expr): Likewise.
263 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
264 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
265 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
266 (va_list_type): New variable.
267 (arm_mangle_type): Mangle va_list_type appropriately.
269 2009-02-20 Jakub Jelinek <jakub@redhat.com>
272 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
273 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
274 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
275 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
276 parameter to 1000 for -O1 by default.
277 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
279 * loop-invariant.c: Include params.h.
280 (move_loop_invariants): Don't call move_single_loop_invariants on
283 2009-02-20 Jaka Mocnik <jaka@xlab.si>
285 * calls.c (emit_library_call_value_1): Use slot_offset instead of
286 offset when calculating bounds for indexing stack_usage_map. Fixes
287 a buffer overflow with certain target setups.
289 2009-02-20 Jakub Jelinek <jakub@redhat.com>
292 * calls.c (expand_call): Clear try_tail_call if caller and callee
293 disagree in promotion of function return value.
295 2009-02-19 Jakub Jelinek <jakub@redhat.com>
298 * c-common.c (c_determine_visibility): If visibility changed and
299 DECL_RTL has been already set, call make_decl_rtl to update symbol
302 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
305 * varasm.c (assemble_variable): Don't check DECL_NAME when
306 globalizing a variable.
308 2009-02-19 Joseph Myers <joseph@codesourcery.com>
311 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
312 expression before any __builtin_trap call.
313 * c-typeck.c (build_function_call): Convert and check function
314 arguments before generating a call to a trap. Evaluate the
315 function arguments before the trap.
317 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
320 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
321 (UNSPEC_FXAM_MEM): New unspec.
322 (fxam<mode>2_i387_with_temp): New insn and split pattern.
323 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
324 memory using fxam<mode>2_i387_with_temp to remove excess precision.
326 2009-02-19 Richard Guenther <rguenther@suse.de>
328 PR tree-optimization/39207
329 PR tree-optimization/39074
330 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
331 storedanything_tree): New.
332 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
333 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
334 (build_succ_graph): Add edges from STOREDANYTHING to all
336 (init_base_vars): Initialize STOREDANYTHING.
337 (compute_points_to_sets): Free substitution info after
338 building the succ graph.
339 (ipa_pta_execute): Likewise.
341 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
343 (do_ds_constraint): Do not add to special var or non-pointer
345 (type_could_have_pointers): Split out from ...
346 (could_have_pointers): ... here. For arrays use the element type.
347 (create_variable_info_for): Initialize may_have_pointers.
348 (new_var_info): Likewise.
349 (handle_lhs_call): Make the HEAP variable unknown-sized.
350 (intra_create_variable_infos): Use a type with pointers for
351 PARM_NOALIAS, make it unknown-sized.
353 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
356 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
358 2009-02-18 Jason Merrill <jason@redhat.com>
361 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
362 value if DECL_EXTERNAL.
363 * tree-sra.c (sra_walk_gimple_assign): Likewise.
364 * target.h (gcc_target::binds_local_p): Clarify "module".
365 * tree.h (TREE_PUBLIC): Clarify "module".
367 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
370 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
371 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
373 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
376 * c.opt (Wabi): Support C and ObjC.
379 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
381 * config/i386/i386.c (classify_argument): Warn once about the ABI
382 change when passing union with long double.
384 * doc/invoke.texi: Update -Wabi for warning psABI changes.
386 2009-02-18 Joseph Myers <joseph@codesourcery.com>
389 * c-parser.c (c_parser_compound_statement): Always enter and leave
392 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
395 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
397 2009-02-18 Jakub Jelinek <jakub@redhat.com>
399 PR tree-optimization/36922
400 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
401 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
404 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
406 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
409 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
411 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
413 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
415 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
418 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
419 Richard Sandiford <rdsandiford@googlemail.com>
421 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
422 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
423 (loongson_biadd): ...this.
425 2009-02-17 Richard Guenther <rguenther@suse.de>
427 PR tree-optimization/39202
428 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
429 a var make sure to follow existing collapses.
431 2009-02-17 Richard Guenther <rguenther@suse.de>
434 * langhooks.c (lhd_print_error_function): Check for NULL block.
436 2009-02-17 Richard Guenther <rguenther@suse.de>
438 PR tree-optimization/39204
439 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
442 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
444 * config/soft-fp/double.h: Update from glibc CVS.
446 2009-02-17 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/39207
449 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
450 strict-aliasing warnings for pointers pointing to NULL.
452 2009-02-16 Joseph Myers <joseph@codesourcery.com>
455 * c-parser.c (c_parser_braced_init): Call pop_init_level when
456 skipping until next close brace.
458 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
461 * config/i386/i386.c (ix86_expand_push): Set memory alignment
462 to function argument boundary.
464 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
466 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
467 in the lea_add. Reload eventually constraints it properly.
468 * config/picochip/constraints.md : Remove the target constraint
469 "b", since it is not needed anymore.
471 2009-02-16 Jakub Jelinek <jakub@redhat.com>
473 * gthr-dce.h: Uglify function parameter and local variable names.
474 * gthr-gnat.h: Likewise.
475 * gthr-mipssde.h: Likewise.
476 * gthr-nks.h: Likewise.
477 * gthr-posix95.h: Likewise.
478 * gthr-posix.h: Likewise.
479 * gthr-rtems.h: Likewise.
480 * gthr-single.h: Likewise.
481 * gthr-solaris.h: Likewise.
482 * gthr-tpf.h: Likewise.
483 * gthr-vxworks.h: Likewise.
484 * gthr-win32.h: Likewise.
486 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
489 * config/i386/i386.md: Restrict the new peephole2 to move
490 between MMX/SSE registers.
492 2009-02-15 Richard Guenther <rguenther@suse.de>
495 2009-02-13 Richard Guenther <rguenther@suse.de>
497 * configure.ac: Enable LFS.
498 * configure: Re-generate.
499 * config.in: Likewise.
501 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
503 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
504 spu_srqwbyte, spu_srqwbytebc): Define.
505 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
506 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
507 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
508 "shrqby_<mode>"): New insn-and-split patterns.
509 * config/spu/spu.c (expand_builtin_args): Determine and return
510 number of operands using spu_builtin_description data.
511 (spu_expand_builtin_1): Use it.
513 2009-02-13 Steve Ellcey <sje@cup.hp.com>
516 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
519 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
522 * config/i386/i386.c (override_options): Correct warning
523 messages for -malign-loops, -malign-jumps and -malign-functions.
525 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
528 * config/i386/i386.md: Restrict the new peephole2 to move
529 between the general purpose registers.
531 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
534 * config/i386/i386.c (type_natural_mode): Add a new argument.
535 Return the original mode and warn ABI change if vector size is 32byte.
536 (function_arg_advance): Updated.
537 (function_arg): Likewise.
538 (ix86_function_value): Likewise.
539 (ix86_return_in_memory): Likewise.
540 (ix86_sol10_return_in_memory): Likewise.
541 (ix86_gimplify_va_arg): Likewise.
542 (function_arg_32): Don't warn ABX ABI change here.
543 (function_arg_64): Likewise.
545 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
547 * loop-iv.c (implies_p): In the final case, test that operands 0
548 of the two comparisons match.
550 * config/bfin/bfin.c (find_prev_insn_start): New function.
551 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
552 (find_next_insn_start): Move.
554 2009-02-13 Richard Guenther <rguenther@suse.de>
556 * configure.ac: Enable LFS.
557 * configure: Re-generate.
558 * config.in: Likewise.
560 2009-02-13 Joseph Myers <joseph@codesourcery.com>
563 * c-parser.c (c_parser_parms_list_declarator): Discard pending
564 sizes on syntax error after some arguments have been parsed.
566 2009-02-12 Jakub Jelinek <jakub@redhat.com>
568 * doc/invoke.texi (-fira): Remove.
570 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
572 * caller-save.c: Replace regclass.c with reginfo.c in comments.
576 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
578 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
579 (umul_ppmm): Likewise.
580 (count_leading_zeros): Likewise.
581 (count_trailing_zeros): Likewise.
582 (UMUL_TIME): Likewise.
584 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
586 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
587 soft-fp/t-softfp to tmake_file.
589 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
590 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
591 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
592 IA64_BUILTIN_INFQ]: New.
593 (ia64_init_builtins): Initialize __builtin_infq,
594 __builtin_fabsq and __builtin_copysignq if not HPUX.
595 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
596 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
598 * config/ia64/lib1funcs.asm (__divtf3): Define only if
600 (__fixtfti): Likewise.
601 (__fixunstfti): Likewise.
602 (__floattitf): Likewise.
604 * config/ia64/libgcc-glibc.ver: New.
605 * config/ia64/t-fprules-softfp: Likewise.
606 * config/ia64/sfp-machine.h: Likewise.
608 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
609 (LIBGCC2_TF_CEXT): Likewise.
611 (TARGET_INIT_LIBFUNCS): Likewise.
613 * config/ia64/t-glibc (SHLINB_MAPFILES):
614 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
616 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
618 * config/i386/i386.c (construct_container): Rewrite processing
619 BLKmode with X86_64_SSE_CLASS.
621 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
624 * config/i386/i386.md: Replace simplify_replace_rtx with
625 replace_rtx in the new peephole2.
627 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
629 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
630 loop unrolling do not happen at -O2.
632 2009-02-12 Michael Matz <matz@suse.de>
634 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
636 2009-02-12 Jakub Jelinek <jakub@redhat.com>
638 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
641 2009-02-12 Ben Elliston <bje@au.ibm.com>
643 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
644 patterns when updating the back chain. Missed in the 2009-02-10
647 2009-02-11 Janis Johnson <janis187@us.ibm.com>
649 * doc/extend.texi (Decimal Floating Types): Update identifier of
650 draft TR and list of missing support.
652 2009-02-11 Jakub Jelinek <jakub@redhat.com>
655 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
656 bit to variable length decl's flags, add it also to its
657 pointer replacement variable.
659 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
660 Jakub Jelinek <jakub@redhat.com>
663 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
664 (memory_blockage): New expander.
665 (*memory_blockage): New insn pattern.
666 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
667 instead of general blockage at the end of function prologue when
668 frame pointer is used to access red zone area. Do not emit blockage
669 when profiling, it is emitted in generic code.
670 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
671 function epilogue when frame pointer is used to access red zone area.
673 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
676 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
677 by arithmetic with memory operands.
678 * config/i386/predicates.md (commutative_operator): New.
680 2009-02-10 Janis Johnson <janis187@us.ibm.com>
682 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
685 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
687 * alias.h (record_alias_subset): Declare.
688 * alias.c (record_alias_subset): Make global.
690 2009-02-10 Nick Clifton <nickc@redhat.com>
692 * tree-parloops.c: Change license to GPLv3.
693 * ipa-struct-reorg.c: Change license to GPLv3.
694 * ipa-struct-reorg.h: Change license to GPLv3.
696 2009-02-10 Steve Ellcey <sje@cup.hp.com>
699 * c-decl.c (start_struct): Return NULL on error.
701 2009-02-10 Jakub Jelinek <jakub@redhat.com>
704 * cfgloopmanip.c (remove_path): Call remove_bbs after
705 cancel_loop_tree, not before it.
708 * function.h (struct function): Add has_local_explicit_reg_vars bit.
709 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
711 * tree-ssa-live.c (remove_unused_locals): Recompute
712 cfun->has_local_explicit_reg_vars.
713 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
714 copies or clearings if cfun->has_local_explicit_reg_vars.
716 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
719 * config/i386/i386.c (expand_prologue): Emit blockage at the end
720 of function prologue when frame pointer is used to access
723 2009-02-10 Richard Guenther <rguenther@suse.de>
726 * gimplify.c (gimple_regimplify_operands): Always look if
727 we need to create a temporary.
729 2009-02-10 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/39132
732 * tree-loop-distribution.c (todo): New global var.
733 (generate_memset_zero): Trigger TODO_rebuild_alias.
734 (tree_loop_distribution): Return todo.
736 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
739 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
740 (x86_64_reg_class_name): Removed.
741 (classify_argument): Return 0 if bytes > 32. Return 0 if the
742 first one isn't X86_64_SSE_CLASS or any other ones aren't
743 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
744 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
745 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
746 and 3 X86_64_SSEUP_CLASS.
747 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
748 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
750 2009-02-10 Ben Elliston <bje@au.ibm.com>
752 * config/rs6000/rs6000.md (allocate_stack): Always use an update
753 form instruction to update the stack back chain word, even if the
754 user has disabled the generation of update instructions.
755 (movdi_<mode>_update_stack): New.
756 (movsi_update_stack): Likewise.
757 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
758 always use an update form instruction to update the stack back
761 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
764 * graphite.c (if_region_set_false_region): After moving a region in
765 the false branch of a condition, remove the empty dummy basic block.
766 (gloog): Remove wrong fix for PR38953.
768 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
770 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
771 generation due to implicit sign extension.
773 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
776 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
777 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
779 2009-02-09 Richard Guenther <rguenther@suse.de>
782 * convert.c (convert_to_real): Disable (float)fn((double)x)
783 to fnf(x) conversion if errno differences may occur and
786 2009-02-07 Anatoly Sokolov <aesok@post.ru>
788 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
789 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
790 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
792 2009-02-06 Joseph Myers <joseph@codesourcery.com>
795 * c-common.c (handle_alias_attribute): Disallow attribute for
796 anything not a FUNCTION_DECL or VAR_DECL.
798 2009-02-06 Janis Johnson <janis187@us.ibm.com>
801 * real.c (do_compare): Special-case compare of zero against
804 2009-02-06 Joseph Myers <joseph@codesourcery.com>
807 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
808 as indicating flexible array members unless the field itself is
809 being declarared as the incomplete array.
811 2009-02-06 Jan Hubicka <jh@suse.cz>
813 PR tree-optimization/38844
814 * ipa-inline.c (try_inline): Stop inlining recursion when edge
817 2009-02-06 Richard Guenther <rguenther@suse.de>
820 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
821 fork because we may expand it as __gcov_fork.
823 2009-02-06 Nick Clifton <nickc@redhat.com>
825 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
827 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
829 PR tree-optimization/35659
830 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
831 vn_phi_eq): Shortcut if hashcode does not match.
832 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
834 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
835 and avoid iterative_hash_expr.
836 (FOR_EACH_VALUE_ID_IN_SET): New.
837 (value_id_compare): Remove.
838 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
839 sort expressions by value id.
841 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
844 * config/sh/predicates.md (general_movsrc_operand): Don't check
845 the subreg of system registers here.
847 2009-02-05 Jakub Jelinek <jakub@redhat.com>
850 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
853 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
855 PR rtl-optimization/39110
856 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
857 addresses, not aligned ones.
859 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
860 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/39100
863 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
864 comment says and add edges.
866 2009-02-05 Joseph Myers <joseph@codesourcery.com>
869 * c-common.c (handle_tls_model_attribute): Ignore attribute for
870 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
872 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
874 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
875 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
876 register_bb_in_sese, new_sese, free_sese): Moved.
877 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
878 outermost_loop_in_scop, build_scop_iteration_domain,
879 expand_scalar_variables_ssa_name, get_vdef_before_scop,
880 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
881 Use loop_in_sese_p instead of loop_in_scop_p.
882 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
883 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
884 (scopdet_basic_block_info): Fix bug in scop detection.
885 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
886 eq_loop_to_cloog_loop): Remove.
887 (nb_loops_around_loop_in_scop, nb_loop
888 ref_nb_loops): Moved here...
889 * graphite.h (ref_nb_loops): ... from here.
890 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
891 (loop_domain_dim, loop_iteration_vector_dim): Remove.
892 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
893 * testsuite/gcc.dg/graphite/scop-19.c: New
895 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
896 Hans-Peter Nilsson <hp@axis.com>
898 PR rtl-optimization/37889
899 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
900 Move offset handling from PLUS to before the switch. Use new
901 arguments when considering SYMBOL_REFs too.
902 (rtx_addr_can_trap_p): Pass dummy offset and size.
903 (enum may_trap_p_flags): Remove.
904 (may_trap_p_1): Pass size from MEM_SIZE.
906 PR rtl-optimization/38921
907 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
908 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
909 * rtlanal.c (may_trap_after_code_motion_p): Delete.
910 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
912 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
914 AVX Programming Reference (January, 2009)
915 * config/i386/sse.md (*vpclmulqdq): New.
917 2009-02-04 Jakub Jelinek <jakub@redhat.com>
919 PR tree-optimization/38977
920 PR gcov-profile/38292
921 * calls.c (special_function_p): Disregard __builtin_ prefix.
923 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
925 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
926 non-indexable addresses even before reload.
928 2009-02-03 Joseph Myers <joseph@codesourcery.com>
931 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
932 as having variable size. Do not give an error for unnamed
933 parameters with [*] declarators. Give a warning for type names
934 with [*] declarators and mark them as variable size.
935 * c-parser.c (c_parser_sizeof_expression): Do not give an error
936 for sizeof applied to [*] type names.
938 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
941 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
943 2009-02-03 Jakub Jelinek <jakub@redhat.com>
945 * gcc.c (process_command): Update copyright notice dates.
946 * gcov.c (print_version): Likewise.
947 * gcov-dump.c (print_version): Likewise.
948 * mips-tfile.c (main): Likewise.
949 * mips-tdump.c (main): Likewise.
951 2009-02-03 Joseph Myers <joseph@codesourcery.com>
954 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
955 for composite type involving a zero-length array type.
957 2009-02-03 Jakub Jelinek <jakub@redhat.com>
960 * function.c (match_asm_constraints_1): Skip over
961 initial optional % in the constraint.
964 * c-parser.c (c_parser_postfix_expression): If fixed point is not
965 supported, don't accept FIXED_CSTs.
966 * c-decl.c (finish_declspecs): Error if fixed point is not supported
967 and _Sat is used without _Fract/_Accum. Set specs->type to
968 integer_type_node for cts_fract/cts_accum if fixed point is not
971 2009-02-02 Catherine Moore <clm@codesourcery.com>
973 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
975 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
977 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
978 (ABI_HAS_64BIT_SYMBOLS): Use it.
979 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
981 2009-02-02 Paul Brook <paul@codesourcery.com>
983 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
985 2009-02-02 Jakub Jelinek <jakub@redhat.com>
988 * recog.h (asm_operand_ok): Add constraints argument.
989 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
990 recurse on matching constraint.
991 (check_asm_operands): Pass constraints as 3rd argument to
992 asm_operand_ok. Don't look up matching constraint here.
993 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
996 2009-02-02 Ben Elliston <bje@au.ibm.com>
998 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
999 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1001 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1003 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1004 information. Remove some obsolete information. Reorganize.
1006 * config/pa/fptr.c: Revert license to GPL 2.
1007 * config/pa/milli64.S: Likewise.
1009 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1012 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1013 LIBRARY name in, instead of hard-coding it.
1014 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1015 extra target make frag to tmake_files according to EH model.
1016 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1017 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1018 frags that define makefile variable EH_MODEL appropriately.
1019 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1020 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1021 to "-sjlj" according to type of EH configured.
1022 (LIBGCC_SONAME): Concatenate it to shared library base name.
1023 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1024 to "_sjlj" according to type of EH configured.
1025 (LIBGCC_SONAME): Concatenate it to shared library base name.
1026 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1027 (SHLIB_LINK): Add missing semicolon to if-else construct.
1028 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1029 string value of "pe_dll" command-line option.
1030 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1031 (SHLIB_SONAME): Use it when overriding t-cygming default.
1032 (SHLIB_IMPLIB): Override t-cygming default.
1033 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1034 string value of "pe_dll" command-line option.
1036 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1039 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1040 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1042 2009-01-31 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/38937
1045 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1046 computing the transitive closure.
1048 2009-01-30 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/39041
1051 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1052 Propagate variable indices only if the types match for this stmt.
1054 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1057 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1058 inline but never defined.
1060 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1062 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1063 (*insv_h_di_reg_extimm): New insn.
1064 (*insv_l<mode>_reg_extimm): New insn.
1066 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1068 * config/picochip/picochip.c (flag_conserve_stack): set
1069 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1070 fconserve-stack. Reduce call-overhead used by inliner.
1072 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1075 * common.opt (flag_conserve_stack): Initialised to zero.
1077 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1080 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1081 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1084 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1086 * ira-color.c (allocno_reload_assign): Update comments.
1087 * regmove.c (regmove_optimize): Likewise.
1091 2009-01-29 Robert Millan <rmh@aybabtu.com>
1093 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1094 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1095 `MD_UNWIND_SUPPORT'.
1096 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1098 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1100 PR tree-optimization/39007
1101 * tree-loop-distribution.c (generate_builtin): Use
1102 recompute_dominator to compute the immediate dominator of the
1103 basic block just after the loop.
1105 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1107 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1108 (ASM_OUTPUT_DWARF_PCREL): Define.
1110 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1112 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1113 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1114 global. Modify entries about regmove and IRA.
1116 * ra-conflict.c: Remove the file.
1118 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1120 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1121 (pass_regclass_init): Rename to pass_reginfo_init.
1123 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1125 * toplev.h (flag_ira): Remove.
1127 * caller-save.c (setup_save_areas): Remove flag_ira.
1129 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1131 * global.c: Remove the file.
1133 * opts.c: (decode_options): Remove flag_ira.
1135 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1137 * regmove.c: Modify file description.
1138 (find_use_as_address, try_auto_increment): Define them only if
1139 AUTO_INC_DEC is defined.
1140 (replacement_quality, replace_in_call_usage, fixup_match_1,
1141 stable_and_no_regs_but_for_p): Remove.
1142 (reg_set_in_bb): Make it static.
1143 (regmove_optimize): Remove flag_ira and code which worked for
1146 * local-alloc.c: Remove the file.
1148 * common.opt (fira): Remove.
1150 * ira.c: Include except.h.
1151 (eliminable_regset): Move from global.c.
1152 (mark_elimination): Ditto. Remove flag_ira.
1153 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1154 equiv_mem_modified, validate_equiv_mem_from_store,
1155 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1156 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1157 no_equiv, recorded_label_ref): Move from local-alloc.c.
1158 (update_equiv_regs): Ditto. Make it static.
1159 (print_insn_chain, print_insn_chains): Move it from global.c.
1160 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1161 (build_insn_chain): Ditto. Make it static.
1162 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1163 Rename to init_live_subregs.
1164 (gate_ira): Remove flag_ira.
1166 * regclass.c: Rename reginfo.c. Change file description.
1167 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1168 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1169 (init_reg_sets_1): Remove code for evaluation of
1170 reg_class_superclasses and losing_caller_save_reg_set.
1171 (init_regs): Remove init_reg_autoinc.
1172 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1173 ok_for_base_p_nonstrict): Remove.
1174 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1175 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1176 corresponding entries.
1177 (dump_regclass, record_operand_costs, scan_one_insn,
1178 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1179 record_address_regs, auto_inc_dec_reg_p): Remove.
1180 (gt-regclass.h): Rename to gt-reginfo.h.
1182 * rtl.h (dump_global_regs, retry_global_alloc,
1183 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1185 * Makefile.in (RA_H): Remove.
1186 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1187 Rename regclass.o to reginfo.o.
1188 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1190 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1191 (GTFILES): Rename regclass.c to reginfo.c.
1193 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1194 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1196 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1197 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1199 (finish_spills): Ditto. Remove code for !flag_ira.
1201 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1204 * doc/invoke.texi (rtl debug options): Complete rewrite.
1205 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1207 * mode-switching.c (pass_mode_switching): Rename pass from
1208 "mode-sw" to "mode_sw".
1209 * except.c (pass_convert_to_eh_ranges): Rename pass from
1210 "eh-ranges" to "eh_ranges".
1211 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1215 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1216 Alexander Monakov <amonakov@ispras.ru>
1219 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1221 (move_exprs_to_boundary): Change return type and pass through
1222 should_move from move_op. Relax assert. Update usage ...
1223 (schedule_expr_on_boundary): ... here. Use should_move instead of
1225 (move_op_orig_expr_found): Indicate that insn was disconnected from
1227 (code_motion_process_successors): Do not call after_merge_succs
1228 callback if original expression was not found when traversing any of
1230 (code_motion_path_driver): Change return type. Update prototype.
1231 (move_op): Update comment. Add a new parameter (should_move). Update
1232 prototype. Set *should_move based on indication provided by
1233 move_op_orig_expr_found.
1235 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1237 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1238 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1239 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1240 * config/rs6000/rs6000.c (rs6000_override_options): Default
1241 avoid-indexed-addresses on for Power6, off for everything else.
1242 (avoiding_indexed_address_p): New function.
1243 (rs6000_legitimize_address): Use it.
1244 (rs6000_legitimate_address): Likewise.
1245 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1247 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1249 PR tree-optimization/38997
1250 * tree-loop-distribution.c (generate_memset_zero): Use
1251 POINTER_PLUS_EXPR for a pointer addition.
1253 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1255 * config/s390/s390.md (bswap<mode>2): New pattern added.
1257 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1259 * config/s390/s390.md (*tls_load_31): Added type attribute.
1261 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1263 * config/s390/s390.md: Fix a few comments.
1265 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1267 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1268 (*tm<mode>_full): Fixed z10prop attribute.
1269 (*tst<mode>_extimm): Fixed z10prop attribute.
1270 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1271 (*tstqiCCT_cconly): Fixed z10prop attribute.
1272 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1273 (*movsi_larl): Fixed z10prop attribute.
1274 (*movsi_zarch): Fixed z10prop attribute.
1275 (*movsi_eas): Fixed z10prop attribute.
1276 (*movhi): Fixed z10prop attribute.
1277 (*movqi): Fixed z10prop attribute.
1278 (*movstrictqi): Fixed z10prop attribute.
1279 (*mov<mode>): Fixed z10prop attribute.
1280 (*movcc): Fixed z10prop attribute.
1281 (*sethighpartdi_64): Fixed z10prop attribute.
1282 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1283 (*negdi2_sign_cc): Fixed z10prop attribute.
1284 (*negdi2_sign): Fixed z10prop attribute.
1285 (*absdi2_sign_cc): Fixed z10prop attribute.
1286 (*absdi2_sign): Fixed z10prop attribute.
1287 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1288 (*negabsdi2_sign): Fixed z10prop attribute.
1289 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1290 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1291 (doloop_si64): Fixed z10prop attribute.
1292 (doloop_si31): Fixed z10prop attribute.
1293 (doloop_long): Fixed z10prop attribute.
1294 (indirect_jump): Fixed z10prop attribute.
1295 (nop): Fixed z10prop attribute.
1296 (main_base_64): Fixed z10prop attribute.
1297 (reload_base_64): Fixed z10prop attribute.
1299 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1301 PR rtl-optimization/38740
1302 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1304 * config/mips/mips.c (mips_reorg): Likewise.
1306 2009-01-28 Richard Guenther <rguenther@suse.de>
1308 PR tree-optimization/38926
1309 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1310 with the correct value id to a value.
1311 (do_regular_insertion): Use the value number of edoubleprime
1312 for the value number of the expr.
1315 2008-08-21 Richard Guenther <rguenther@suse.de>
1317 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1318 a PHI ask VN if it is already available.
1319 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1320 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1322 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1325 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1326 set to varying whenever max has TREE_OVERFLOW set, similarly
1327 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1329 2009-01-28 Richard Guenther <rguenther@suse.de>
1332 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1333 uninitialized aggregate uses in call arguments.
1335 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1337 PR tree-optimization/38984
1338 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1339 the nothing_id variable if -fno-delete-null-pointer-checks.
1341 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1344 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1345 (set_got_offset_rex64): Ditto.
1347 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1350 * doc/extend.texi: Improve local variable with asm reg.
1352 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1354 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1355 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1356 was not supplied then set warn_packed_bitfield_compat to the
1358 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1361 2009-01-27 Richard Guenther <rguenther@suse.de>
1363 PR tree-optimization/38503
1364 * cfgexpand.c (expand_gimple_basic_block): Ignore
1365 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1366 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1367 variables that cannot have TBAA applied.
1368 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1371 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1374 * calls.c (initialize_argument_information): Do not wrap complex
1375 arguments in SAVE_EXPR.
1377 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1379 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1380 (INSTALL_LIBGCC): Revert typo commit.
1382 2009-01-26 Richard Guenther <rguenther@suse.de>
1384 PR tree-optimization/38745
1385 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1386 from special handling.
1388 2009-01-26 Richard Guenther <rguenther@suse.de>
1390 PR tree-optimization/38745
1391 * tree-ssa.c (execute_update_addresses_taken): Do not include
1392 variables that cannot possibly be a register in not_reg_needs.
1393 Do not clear TREE_ADDRESSABLE on vars that may not become
1395 * tree-ssa.c (update_alias_info_1): Include those in the set
1396 of addressable vars.
1398 2009-01-26 Richard Guenther <rguenther@suse.de>
1401 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1402 * tree-ssa-dse.c: Include langhooks.h
1403 (execute_simple_dse): Remove stores with zero size.
1405 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1408 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1411 2009-01-24 Julian Brown <julian@codesourcery.com>
1413 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1414 config/arm/linux-atomic.c.
1415 * config/arm/linux-atomic.c: New.
1417 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1419 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1420 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1421 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1423 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1426 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1429 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1431 PR tree-optimization/38953
1432 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1433 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1434 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1435 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1438 2009-01-24 Paul Brook <paul@codesourcery.com>
1440 * config/arm/neon.md (neon_type): Move to arm.md.
1441 (neon_mov<VSTRUCT>): Add neon_type attribute.
1442 * config/arm/arm.md (neon_type): Move to here.
1443 (conds): Add "unconditioal" and use as default for NEON insns.
1445 2009-01-24 Ben Elliston <bje@au.ibm.com>
1447 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1448 void *' warning from -Wc++-compat.
1449 * Makefile.in (dominance.o-warn): Remove.
1451 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1453 PR tree-optimization/38932
1454 * fold-const.c (fold_unary_ignore_overflow): New.
1455 * tree.h (fold_unary_ignore_overflow): Declare.
1456 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1457 * tree-ssa-sccvn.c (visit_reference_op_load,
1458 simplify_unary_expression): Likewise.
1460 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1462 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1463 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1464 regardless of their type.
1465 * c-common.c (handle_packed_attribute): Don't ignore packed on
1467 * c.opt (Wpacked-bitfield-compat): New warning option.
1468 * stor-layout.c (place_field): Warn if offset of a field changed.
1469 * doc/extend.texi (packed): Mention the ABI change.
1470 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1471 (Warning Options): Add it to the list.
1473 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1475 * c-opts.c (c_common_post_options): Fix a typo in comments.
1477 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1480 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1481 variables to static.
1482 * doc/invoke.texi (-fmerge-all-constants): Update description.
1484 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1487 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1488 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1490 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1492 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1494 (LOCAL_ALIGNMENT): Similarly.
1496 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1497 Joseph Myers <joseph@codesourcery.com>
1499 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1500 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1501 * config/arm/arm-tune.md: Regenerate.
1502 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1505 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1507 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1508 version number to five.
1510 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1513 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1514 * c-common.c (set_underlying_type): Likewise.
1515 (is_typedef_decl ): Likewise
1517 (set_underlying_type): Likewise.
1518 (is_typedef_type): Likewise.
1520 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1523 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1526 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1529 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1530 (LIBGCC_SPEC): Don't define.
1531 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1533 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1535 PR rtl-optimization/38879
1536 * alias.c (base_alias_check): Unaligned access via AND address can
1537 alias all surrounding object types except those with sizes equal
1538 or wider than the size of unaligned access.
1540 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1543 * c-decl.c: (clone_underlying_type): Move this ...
1544 * c-common.c (set_underlying_type): ... here.
1545 Also, make sure the function properly sets TYPE_STUB_DECL() on
1546 the newly created typedef variant type.
1547 (is_typedef_decl ): New entry point.
1548 * tree.h: Added a new member member_types_needing_access_check to
1549 struct tree_decl_non_common.
1550 (set_underlying_type): New entry point.
1551 (is_typedef_type): Likewise.
1553 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1555 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1556 Check whether two instructions have memory references that
1557 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1558 are helper functions for traversing.
1559 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1560 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1561 not to draw dependency edge for instructions with non-conflicting
1564 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1567 * longlong.h: Update copyright years. Use soft-fp license notice.
1568 Sync __clz_tab declaration with glibc.
1570 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1573 * doc/extend.texi (syscall_linkage): New.
1574 (version_id): Modify.
1576 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1577 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/38747
1580 PR tree-optimization/38748
1581 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1582 conversion if the base address is an indirect reference and the
1583 aliasing sets could cause issues.
1585 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1587 * common.opt (fgraphite, fgraphite-identity): Add comment for
1588 explaining why these options are not documented.
1590 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1592 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1593 gimple_call_lhs is NULL.
1595 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1598 * emit-rtl.c (adjust_address_1): Make sure memref is never
1601 2009-01-20 Ben Elliston <bje@au.ibm.com>
1603 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1604 const qualifier from arg parameter. Remove unnecessary cast to char *.
1605 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1606 const qualifier from arg 2.
1608 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1610 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1612 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1615 * rtl.h (reinit_regs): New prototype.
1616 * regclass.c: Include ira.h.
1618 * Makefile.in (regclass.o): Add ira.h.
1619 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1621 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1624 * c-common.c (handle_aligned_attribute): Use
1625 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1626 default alignment value.
1628 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1630 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1631 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1633 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1634 __BIGGEST_ALIGNMENT__.
1636 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1638 2009-01-18 Richard Guenther <rguenther@suse.de>
1640 PR tree-optimization/38819
1641 * tree-flow.h (operation_could_trap_helper_p): Declare.
1642 * tree-eh.c (operation_could_trap_helper_p): Export.
1643 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1644 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1645 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1646 are about to insert a possibly trapping instruction and fail
1649 2009-01-18 Andreas Schwab <schwab@suse.de>
1651 * doc/install.texi (Configuration): Remove obsolete paragraph
1652 about use of --with-gnu-ld with --with-gnu-as.
1654 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1656 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1657 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1658 Follow spelling conventions.
1660 2009-01-18 Ben Elliston <bje@au.ibm.com>
1662 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1663 C++ warning about implicit conversion from void * to struct
1665 (bitmap_obstack_free): Likewise for bitmap_element *.
1666 * Makefile.in (bitmap.o-warn): Remove.
1668 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1670 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1672 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1673 Tobias Grosser <tobi.grosser@amd.com>
1675 * graphite.c (graphite_trans_scop_block): Do not block single
1678 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1680 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1681 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1682 test with assertion.
1684 2009-01-16 Richard Guenther <rguenther@suse.de>
1686 PR tree-optimization/38835
1688 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1689 and INT + PTR -> (INT)(PTR p+ INT) folding.
1690 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1692 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1695 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1696 the subreg from a lowpart subreg if it is also casting the value.
1698 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1699 Tobias Grosser <tobi.grosser@amd.com>
1701 * graphite.c (compare_prefix_loops): New.
1702 (build_scop_canonical_schedules): Rewritten.
1703 (graphite_transform_loops): Move build_scop_canonical_schedules
1704 after build_scop_iteration_domain.
1706 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1707 Tobias Grosser <tobi.grosser@amd.com>
1709 * graphite.c (add_conditions_to_domain): Add the loops to
1710 the dimension of the iteration domain. Do copy the domain
1711 only when it exists.
1712 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1713 (add_conditions_to_constraints): New.
1714 (can_generate_code_stmt, can_generate_code): Removed.
1715 (gloog): Do not call can_generate_code.
1716 (graphite_transform_loops): Call add_conditions_to_constraints
1717 after building the iteration domain.
1719 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1721 PR tree-optimization/38789
1722 * tree-ssa-threadedge.c
1723 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1724 __builtin_constant_p.
1726 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1728 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1729 examined before deleting them.
1731 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1733 * function.c (aggregate_value_p): Correctly extract the function
1734 type from CALL_EXPR_FN lookup.
1736 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1738 * config/picochip/picochip.c (picochip_override_options): Revert
1739 CFI asm flag disable commited previously.
1741 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1742 Tobias Grosser <tobi.grosser@amd.com>
1743 Jan Sjodin <jan.sjodin@amd.com>
1745 * graphite.c (scan_tree_for_params): On substractions negate
1746 all the coefficients of the term.
1747 (clast_to_gcc_expression_red): New. Handle reduction expressions
1748 of more than two operands.
1749 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1750 (get_vdef_before_scop): Handle also the case of default definitions.
1752 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1754 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1755 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1756 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1758 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1759 Joey Ye <joey.ye@intel.com>
1762 * cfgexpand.c (expand_stack_alignment): Don't update stack
1763 boundary nor check incoming stack boundary here.
1764 (gimple_expand_cfg): Update stack boundary and check incoming
1765 stack boundary here.
1767 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1769 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1771 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1773 PR rtl-optimization/38245
1774 * calls.c (expand_call): Add stack arguments to
1775 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1776 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1777 in regs and partially in memory or BLKmode arguments.
1778 (emit_library_call_value_1): Add stack arguments to
1779 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1780 ACCUMULATE_OUTGOING_ARGS).
1781 * dce.c: Include tm_p.h.
1782 (find_call_stack_args): New function.
1783 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1785 (mark_insn): Call find_call_stack_args for CALL_Ps.
1786 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1787 forwards. Allocate and free arg_stores bitmap if needed, pass it
1788 down to deletable_insn_p, don't mark stores set in arg_stores
1789 bitmap, clear the bitmap at the beginning of each bb.
1790 * Makefile.in (dce.o): Depend on $(TM_P_H).
1792 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1795 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1796 to make sure the insn is a conditional test (bug 22599). Reformat a
1799 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1802 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1803 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1804 (gloog): Do not call cleanup_tree_cfg.
1805 (graphite_transform_loops): Call cleanup_tree_cfg after all
1806 scops have been code generated.
1808 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1809 * doc/gty.texi (Invoking the garbage collector): Added new node
1810 and section documenting ggc_collect.
1812 2009-01-14 Richard Guenther <rguenther@suse.de>
1814 PR tree-optimization/38826
1816 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1817 initialization notes only if we actually emitted a warning.
1818 (intra_create_variable_infos): Add constraints for a result decl
1819 that is passed by hidden reference.
1820 (build_pred_graph): Mark all related variables non-direct on
1823 2009-01-14 Nick Clifton <nickc@redhat.com>
1825 * ira-conflicts.c: Include addresses.h for the definition of
1827 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1828 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1830 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1833 * Makefile.in (ira-lives.o): Add except.h.
1835 * ira-lives.c: Include except.h.
1836 (process_bb_node_lives): Process can_throw_internal.
1838 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1840 PR rtl-optimization/38774
1841 * combine.c (simplify_set): When undoing cc_use change, don't do
1842 PUT_CODE on the newly created comparison, but instead put back the
1845 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1847 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1848 values. Remove duplicate arm8 entry.
1850 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1852 PR tree-optimization/38786
1853 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1854 the SSA_NAME case of expand_scalar_variables_expr.
1855 Set the type of an expression to the type of its assign statement.
1856 (expand_scalar_variables_expr): Also gather the scalar computation
1857 used to index the memory access. Do not pass loop_p.
1858 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1859 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1860 the gimple_stmt_iterator where it inserts new code.
1862 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1863 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1865 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1867 * graphite.h (debug_value): Removed.
1868 * graphite.c (debug_value): Removed.
1870 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1872 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1873 ldrd/strd with two 32-bit instructions.
1875 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1877 * config/arm/arm.c (struct processors): Pass for speed down into
1878 cost helper functions.
1879 (const_ok_for_op): Handle COMPARE and inequality nodes.
1880 (arm_rtx_costs_1): Rewrite.
1881 (arm_size_rtx_costs): Update prototype.
1882 (arm_rtx_costs): Pass speed down to helper functions.
1883 (arm_slowmul_rtx_costs): Rework cost calculations.
1884 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1885 (arm_9e_rtx_costs): Likewise.
1887 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1889 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1890 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1891 (alpha_legitimize_address): Do not split local symbols wider than
1892 UNITS_PER_WORD into HIGH/LO_SUM parts.
1894 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1897 * gcc.c (process_command): Replace call to execvp with calls
1898 to pex_one and exit.
1900 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1903 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1904 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1905 variant for devices with 3-byte PC.
1906 (__tablejump_elpm__) : New.
1908 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1911 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1912 offsetof member-designator, handle it as `[0].'.
1914 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1916 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1917 function when not using named sections on targets with named sections
1918 if branch distance is less than 262132.
1920 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1922 * combine.c (combine_instructions): Recompute
1923 optimize_this_for_speed_p for each BB in the main combine loop.
1925 2009-01-12 Tomas Bily <tbily@suse.cz>
1928 * tree-loop-distribution.c (prop_phis): New function.
1929 (generate_builtin): Call prop_phis.
1930 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1932 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1934 PR tree-optimization/38807
1935 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1936 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1938 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1940 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1941 subreg of op0 to the original op0.
1943 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1945 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1947 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1950 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1951 starting with digits.
1953 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1956 * config/arm/arm.c (arm_is_long_call_p): Don't call
1957 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1959 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1961 * regrename.c (regrename_optimize): Fix dumping.
1962 (find_oldest_value_reg): Preserve REG_POINTER.
1963 (copy_hardreg_forward_1): Likewise.
1965 2009-01-09 Diego Novillo <dnovillo@google.com>
1967 * gimple.h (struct gimple_statement_base) <uid>: Document
1968 the restrictions on its use.
1970 (gimple_set_uid): Tidy.
1972 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1974 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1975 zero guard even if align_bytes != 0 and count is smaller than
1978 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1980 PR rtl-optimization/38495
1981 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1982 (add_range_and_copies_from_move_list): Print all added ranges.
1983 Add ranges to memory optimized destination.
1985 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1989 * config/i386/i386.c (override_options): Reject
1990 -mstringop-strategy=rep_8byte with -m32.
1991 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1992 to 1. Do count comparison against epilogue_size_needed at compile
1993 time even when count_exp was constant forced into register. For
1994 size_needed don't jump to epilogue, instead just avoid aligning
1995 and invoke the body algorithm. If need_zero_guard, add zero guard
1996 even if count is non-zero, but smaller than size_needed + number of
1997 bytes that could be stored for alignment.
1998 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1999 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2000 but smaller than size_needed + number of bytes that could be stored
2001 for alignment. Compare size_needed with epilogue_size_needed instead
2002 of desired_align - align, don't adjust size_needed, pass
2003 epilogue_size_needed to the epilogue expanders.
2006 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2008 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2010 * pa.c (last_address): Change to unsigned.
2011 (update_total_code_bytes): Change argument to unsigned. Don't
2012 check if insn addresses are set.
2013 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2014 addresses are not set.
2015 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2017 2009-01-09 Nick Clifton <nickc@redhat.com>
2019 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2020 DECL_DECLARED_INLINE_P.
2022 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2025 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2026 GET_MODE (op0) in operand_subword_force calls.
2029 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2030 fold_convert arg0 operands to TREE_TYPE (op0) first.
2032 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2034 * params.def (ira-max-conflict-table-size): Decrease default value
2037 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2039 PR tree-optimization/37031
2040 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2042 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2043 allocate it using gc instead of heap, use VEC_quick_push instead of
2045 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2046 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2047 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2048 allocated vector from heap allocated.
2049 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2050 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2051 vector only after perfect_loop_nest_depth call.
2053 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2054 Jan Sjodin <jan.sjodin@amd.com>
2056 PR tree-optimization/38559
2057 * graphite.c (debug_value, copy_constraint,
2058 swap_constraint_variables, scale_constraint_variable, ): New.
2059 (get_lower_bound, get_upper_bound): Removed.
2060 (graphite_trans_bb_strip_mine): Clean up this code that works
2061 only for constant number of iterations. Fully copy upper and
2062 lower bound constraints, not only the constant part of them.
2063 * graphite.h (debug_value): Declared.
2065 2009-01-08 Ira Rosen <irar@il.ibm.com>
2067 PR tree-optimization/37194
2068 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2069 Don't add the cost of cost model guard in prologue to scalar
2070 outside cost in case of known number of iterations.
2072 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2073 Alan Modra <amodra@bigpond.net.au>
2075 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2076 non-word-aligned REG+CONST addressing.
2078 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2081 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2082 free_after_compilation when outputting a thunk.
2083 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2084 Do not call free_after_compilation here.
2086 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2088 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2089 (ix86_valid_target_attribute_inner_p): Ditto.
2091 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2093 PR tree-optimization/38492
2094 PR tree-optimization/38498
2095 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2096 * tree-chrec.h (scev_is_linear_expression): Declared.
2097 * graphite.c (graphite_cannot_represent_loop_niter): New.
2098 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2099 (graphite_loop_normal_form): Use gcc_assert.
2100 (scan_tree_for_params): Use CASE_CONVERT.
2101 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2102 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2103 Use gcc_assert. Discard scops that contain unhandled cases.
2104 (build_scop_conditions): Return a boolean status for unhandled cases.
2105 (strip_mine_profitable_p): Print the loop number, not its depth.
2106 (is_interchange_valid): Pass the depth of the loop nest, don't
2107 recompute it wrongly.
2108 (graphite_trans_bb_block): Same.
2109 (graphite_trans_bb_block): Print tentative of loop blocking.
2110 (graphite_trans_scop_block): Do not print that the loop has been
2112 (graphite_transform_loops): Do not handle scops that contain condition
2115 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2117 AVX Programming Reference (December, 2008)
2118 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2119 (_mm256_stream_pd): Likewise.
2120 (_mm256_stream_ps): Likewise.
2122 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2123 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2124 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2125 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2126 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2127 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2128 (ix86_expand_special_args_builtin): Likewise.
2130 * config/i386/sse.md (AVXMODEDI): New.
2131 (avx_movnt<mode>): Likewise.
2132 (avx_movnt<mode>): Likewise.
2133 (<sse>_movnt<mode>): Remove AVX support.
2134 (sse2_movntv2di): Likewise.
2136 2009-01-07 Richard Guenther <rguenther@suse.de>
2139 * fold-const.c (extract_muldiv): Remove obsolete comment.
2140 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2141 to PLUS_EXPR canonicalization for the canonicalization.
2143 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2145 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2146 hosted cross-compilers generating less efficient code.
2148 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2150 * function.h (rtl_data): Add a dbr_scheduled_p field.
2151 * reorg.c (dbr_schedule): Set it.
2152 (gate_handle_delay_slots): Check it.
2153 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2154 (mips_reorg): Check flag_delayed_branch instead of
2155 mips_base_delayed_branch.
2156 (mips_override_options): Don't set mips_base_delayed_branch
2157 or flag_delayed_branch.
2159 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2161 PR rtl-optimization/38426.
2162 * ira.c (ira): Set current_function_is_leaf earlier.
2164 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2166 PR rtl-optimization/38722
2167 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2168 too early, only set a flag and modify after last possible
2171 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2174 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2175 * real.c (decimal_single_format): Correct values of emin and emax.
2176 (decimal_double_format): Ditto.
2177 (decimal_quad_format): Ditto.
2178 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2179 computation of DECnn_MIN and DECnn_MAX for corrected values of
2180 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2181 __DECnn_MIN__, and adjust its computation for the corrected value
2184 2009-01-06 Jan Hubicka <jh@suse.cz>
2187 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2189 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2191 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2192 Add Robert Clark to the list of testers.
2194 2009-01-06 Jan Hubicka <jh@suse.cz>
2195 Kai Tietz <kai.tietz@onevision.com>
2197 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2198 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2200 2009-01-06 Jan Hubicka <jh@suse.cz>
2201 Kai Tietz <kai.tietz@onevision.com>
2203 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2205 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2206 (ix86_nsaved_regs): Count only general purpose regs.
2207 (ix86_nsaved_sseregs): New.
2208 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2209 to 16 for w64; compute padding and size of sse reg save area.
2210 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2211 general purpose regs.
2212 (ix86_emit_save_sse_regs_using_mov): New.
2213 (ix86_expand_prologue): Save SSE regs if needed.
2214 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2215 (ix86_emit_restore_sse_regs_using_mov): New.
2216 (ix86_expand_epilogue): Save SSE regs if needed.
2218 2009-01-06 Jan Hubicka <jh@suse.cz>
2219 Kai Tietz <kai.tietz@onevision.com>
2221 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2222 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2223 functions when accumulate outgoing args is off.
2225 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2228 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2229 before using pseudos_have_intersected_live_ranges_p.
2231 * ira-int.h (ira_assert): Always define.
2233 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2235 AVX Programming Reference (December, 2008)
2236 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2237 (_mm256_permute2_pd): Likewise.
2238 (_mm_permute2_ps): Likewise.
2239 (_mm256_permute2_ps): Likewise.
2240 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2241 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2243 * config/i386/i386.c (ix86_builtins): Remove
2244 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2245 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2246 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2247 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2248 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2249 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2250 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2251 __builtin_ia32_vpermil2ps256.
2252 (ix86_init_mmx_sse_builtins): Updated.
2253 (ix86_expand_args_builtin): Likewise.
2255 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2257 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2258 long absolute calls when generating PA 2.0 code.
2260 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2262 PR rtl-optimization/38583
2263 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2265 * params.def (ira-max-conflict-table-size): New.
2267 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2269 * ira.h (ira_conflicts_p): New external definition.
2271 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2272 table. Report this. Return result of building.
2273 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2274 building conflict table.
2276 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2277 (ira_color): Use ira_conflicts_p.
2279 * global.c: Include ira.h.
2280 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2283 * Makefile.in (global.o): Add ira.h.
2285 * ira-build.c (mark_all_loops_for_removal,
2286 propagate_some_info_from_allocno): New.
2287 (remove_unnecessary_allocnos): Call
2288 propagate_some_info_from_allocno.
2289 (remove_low_level_allocnos): New.
2290 (remove_unnecessary_regions): Add parameter. Call
2291 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2292 parameter to remove_unnecessary_regions.
2293 (ira_build): Remove all regions but root if the conflict table was
2294 not built. Update conflict hard regs for allocnos crossing calls.
2296 * ira.c (ira_conflicts_p): New global.
2297 (ira): Define and use ira_conflicts_p.
2299 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2300 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2301 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2303 2009-01-06 Ben Elliston <bje@au.ibm.com>
2305 * gengtype-lex.l (YY_NO_INPUT): Define.
2307 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2310 * c-common.c (handle_vector_size_attribute): Also reject
2313 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2315 PR tree-optimization/38492
2316 * graphite.c (rename_map_elt, debug_rename_elt,
2317 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2318 rename_map_elt_info, eq_rename_map_elts,
2319 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2320 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2321 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2322 (sese_build_livein_liveouts): New.
2323 (new_sese, free_sese): New.
2324 (new_scop): Call new_sese.
2325 (free_scop): Call free_sese.
2326 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2327 (register_old_new_names): Renamed register_old_and_new_names.
2328 (register_scop_liveout_renames, add_loop_exit_phis,
2329 insert_loop_close_phis, struct igp,
2330 default_liveout_before_guard, add_guard_exit_phis,
2331 insert_guard_phis, copy_renames): New.
2332 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2333 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2334 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2335 (scop_adjust_phis_for_liveouts): New.
2336 (gloog): Call scop_adjust_phis_for_liveouts.
2338 * graphite.h (struct sese): Documented. Added fields liveout,
2340 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2341 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2342 (struct scop): Added field liveout_renames.
2343 (SCOP_LIVEOUT_RENAMES): New.
2345 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2347 PR tree-optimization/38510
2348 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2349 (translate_clast): Call recompute_all_dominators before
2351 (gloog): Call recompute_all_dominators before graphite_verify.
2353 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2354 Jan Sjodin <jan.sjodin@amd.com>
2356 PR tree-optimization/38500
2357 * graphite.c (create_sese_edges): Call fix_loop_structure after
2360 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2362 * config.gcc: Add m32r*-*-rtems*.
2363 * config/m32r/rtems.h: New file.
2365 2009-01-05 Ben Elliston <bje@au.ibm.com>
2367 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2368 (.po.pox): Likewise.
2369 (po/gcc.pot): Likewise.
2371 2009-01-04 David S. Miller <davem@davemloft.net>
2373 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2374 (STARTING_FRAME_OFFSET): Always set to zero.
2376 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2378 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2379 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2380 fixed-point types, and vectors of the same.
2382 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2384 * config/mips/sync.md (*mb_barrier): Rename to...
2385 (*memory_barrier): ...this.
2387 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2389 * doc/extend.texi (Function Attributes): Move @cindex after @item
2390 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2391 and put in alphabetical order. Fix 'target' name and put in order.
2392 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2395 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2397 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2398 (memory_barrier): Expand as unspec instead of unspec_volatile.
2399 Remove mem:BLK from insn operands. Use Pmode scratch register.
2400 (*memory_barrier): Define as unspec instead of unspec_volatile.
2401 Use (match_dup 0) as input operand.
2403 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2404 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2405 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2406 scratch register. Remove operand 1.
2407 (*stbar): Define as unspec instead of unspec_volatile.
2408 Use (match_dup 0) as input operand, remove (const_int 8).
2409 (*membar): Define as unspec instead of unspec_volatile.
2410 Use (match_dup 0) as input operand, remove input operand 2.
2412 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2413 (memory_barrier): Expand as unspec instead of unspec_volatile.
2414 Remove mem:BLK from insn operands. Use Pmode scratch register.
2415 (*memory_barrier): Define as unspec instead of unspec_volatile.
2416 Use (match_dup 0) as input operand.
2418 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2419 Remove mem:BLK from insn operands. Use Pmode scratch register.
2420 Set volatile flag on operand 0.
2421 (*memory_barrier): New insn pattern.
2423 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2425 (*memory_barrier): Use (match_dup 0) as input operand.
2427 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2428 Remove mem:BLK from insn operands. Use Pmode scratch register.
2429 Set volatile flag on operand 0.
2430 (*mb_internal): New insn pattern.
2432 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2434 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2437 * function.c (struct temp_slot): Move to the section of the file
2438 that deals with temp slots. Remove field 'address'.
2439 (temp_slot_address_table): New hash table of address -> temp slot.
2440 (struct temp_slot_address_entry): New struct, items for the table.
2441 (temp_slot_address_compute_hash, temp_slot_address_hash,
2442 temp_slot_address_eq, insert_temp_slot_address): Support functions
2444 (find_temp_slot_from_address): Rewrite to use the new hash table.
2445 (remove_unused_temp_slot_addresses): Remove addresses of temp
2446 slots that have been made available.
2447 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2448 worker function for remove_unused_temp_slot_addresses.
2449 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2450 Add the temp slot address to the address -> temp slot map.
2451 (update_temp_slot_address): Update via insert_temp_slot_address.
2452 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2453 (pop_temp_slots): Likewise.
2454 (init_temp_slots): Allocate the address -> temp slot map, or empty
2455 the map if it is already allocated.
2456 (prepare_function_start): Initialize temp slot processing.
2458 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2461 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2462 Calculate the size of all stack vars assuming no packing of stack
2463 vars will happen, replacing a quadratic algorithm with a linear one.
2465 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2468 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2471 2009-01-03 Diego Novillo <dnovillo@google.com>
2473 * doc/contrib.texi: Update contributions.
2475 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2478 * builtins.c (fold_builtin_memory_op): Give up if either operand
2479 is volatile. Set srctype or desttype to non-qualified version
2483 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2486 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2488 PR rtl-optimization/35805
2489 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2490 problem if fast dce is able to remove any instructions.
2491 * dce.c (dce_process_block): Fix dump message.
2493 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2496 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2498 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2501 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2502 * tree-pretty-print.c (op_code_prio): New function.
2503 (op_prio): No longer static. Use op_code_prio.
2504 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2505 Use op_prio and op_code_prio to determine if () should be
2506 printed around operand(s) or not.
2508 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2509 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2510 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2511 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2512 pp_character instead of pp_string for single letter printing.
2514 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2516 * doc/extend.texi: Fix '#pragma GCC option' typo.
2518 2009-01-02 Richard Guenther <rguenther@suse.de>
2520 * doc/install.texi (--enable-checking): Mention different
2522 (--enable-stage1-checking): Document.
2524 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2527 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2528 case to be an error.
2530 2009-01-02 Ben Elliston <bje@au.ibm.com>
2532 * config/fp-bit.h (pack_d): Constify argument.
2533 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2534 (isnan): Constify argument.
2538 (_fpadd_parts): Constify return type.
2539 (_fpmul_parts): Likewise.
2540 (_fpdiv_parts): Likewise.
2542 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2545 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2546 warn about overwriting initializer with side-effects or
2547 -Woverride-init if !IMPLICIT.
2548 (output_init_element): Likewise. Pass IMPLICIT down to
2550 (process_init_element): Add IMPLICIT argument. Pass it down
2551 to output_init_element.
2552 (push_init_element, pop_init_level, set_designator): Adjust
2553 process_init_element callers.
2554 (set_nonincremental_init, set_nonincremental_init_from_string):
2555 Adjust add_pending_init callers.
2556 (output_pending_init_elements): Adjust output_init_element callers.
2557 * c-tree.h (process_init_element): Adjust prototype.
2558 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2559 process_init_element callers.