1 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not
6 2009-03-01 Richard Guenther <rguenther@suse.de>
8 PR tree-optimization/39331
9 * omp-low.c (lower_send_shared_vars): Do not receive new
10 values for the reference of DECL_BY_REFERENCE parms or results.
12 2009-03-01 Jan Hubicka <jh@suse.cz>
15 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
16 BLOCK_NONLOCALIZED_VAR): New macros.
17 (tree_block): Add nonlocalized_vars.
18 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
19 gen_decl_die): Add origin argument. Allow generation of die with
21 (gen_member_die, gen_type_die_with_usage, force_decl_die,
22 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
24 (gen_block_die): Fix checking for unused blocks.
25 (process_scope_var): Break out from .... ; work with origins only.
26 (decls_for_scope) ... here; process nonlocalized list.
27 (dwarf2out_ignore_block): Look for nonlocalized vars.
28 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
30 (dump_scope_block): Dump them.
31 * tree-inline.c (remap_decls): Handle nonlocalized vars.
32 (remap_block): Likewise.
33 (can_be_nonlocal): New predicate.
34 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
36 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
38 * configure: Regenerate.
40 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
42 * optc-gen.awk: No need to duplicate option flags twice.
43 Reuse help texts for duplicate options which do not have
46 * gcc.c (display_help): Document --version.
48 * gcc.c (main): If print_help_list and verbose_flag, ensure
49 driver output comes before subprocess output.
51 * optc-gen.awk: Assign all remaining fields to help string,
52 space-separated, for multi-line help in *.opt.
54 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
55 -Wno-pedantic-ms-format is for MinGW targets only.
57 * doc/options.texi (Option file format): Fix bad indentation,
58 restoring dropped sentence.
60 2009-02-28 Jan Hubicka <jh@suse.cz>
62 * tree-inline.c (tree_function_versioning): Output debug info.
64 2009-02-28 Jan Hubicka <jh@suse.cz>
67 * tree-inline.c (setup_one_parameter): Do not copy propagate
68 arguments when not optimizing.
70 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
73 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
74 (avx_addsubv4df3): Likewise.
75 (*avx_addsubv4sf3): Likewise.
76 (sse3_addsubv4sf3): Likewise.
77 (*avx_addsubv2df3): Likewise.
78 (sse3_addsubv2df3): Likewise.
79 (avx_unpckhps256): Correct item selectors.
80 (avx_unpcklps256): Likewise.
81 (avx_unpckhpd256): Likewise.
82 (avx_unpcklpd256): Likewise.
84 2009-02-28 Jan Hubicka <jh@suse.cz>
86 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
88 (copy_arguments_for_versioning): If var is declared don't declare it.
89 (tree_function_versioning): First setup substitutions and then copy
92 2009-02-27 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 2009-02-27 Jan Hubicka <jh@suse.cz>
109 * tree.h (TREE_PROTECTED): Fix comment.
110 (BLOCK_HANDLER_BLOCK): Remove.
111 (struct tree_block): Remove handler_block add body_block.
112 (inlined_function_outer_scope_p): New.
113 (is_body_block): Remove.
114 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
115 * dwarf2out.c (is_inlined_entry_point): Remove.
116 (add_high_low_attributes): Use inlined_function_outer_scope_p.
117 (gen_block_die): Use is_inlined_entry_point check. Remove body block
119 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
120 * gimplify.c (gimplify_expr): Gimplify body blocks.
121 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
122 block with multiple subblocks.
123 (dump_scope_block): Prettier output; dump more flags and info.
124 (dump_scope_blocks): New.
125 (remove_unused_locals): Use dump_scope_blocks.
126 * tree-flow.h (dump_scope_blocks): Declare.
127 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
128 * stmt.c (is_body_block): Remove.
129 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
130 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
132 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
135 * graphite.c (graphite_loop_normal_form): Do not call
136 number_of_iterations_exit from a gcc_assert.
138 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
140 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
141 jumps if COND is NULL.
142 (find_cond_jump): New function.
143 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
144 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
146 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
148 * config/alpha/alpha.h (alpha_expand_mov): Return false if
149 force_const_mem returns NULL_RTX.
151 2009-02-26 Jan Hubicka <jh@suse.cz>
154 * cgraph.h (varpool_output_debug_info): Remove.
155 * cgraphunit.c (varpool_output_debug_info): Remove.
156 * dwarf2out.c (deferred_locations_struct): New struct
157 (deferred_locations): New type.
158 (deferred_locations_list): New static var.
159 (deffer_location): New function.
160 (gen_variable_die): Use it.
161 (decls_for_scope): Output info on local static vars.
162 (dwarf2out_finish): Process deferred locations.
163 * varpool.c (varpool_output_debug_info): Remove.
165 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
167 PR rtl-optimization/39241
168 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
169 to subreg_offset_representable_p.
171 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
173 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
174 execute function prototype. Get f and nregs from max_reg_num
175 and get_insns. Remove the first backward pass as it's dead,
176 guard the forward pass by flag_expensive_optimizations.
177 (rest_of_handle_regmove): Delete.
178 (pass_regmove): Replace it with regmove_optimize.
180 2009-02-25 Martin Jambor <mjambor@suse.cz>
182 PR tree-optimization/39259
183 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
184 alls_alloca function flags.
185 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
188 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
190 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
191 flags_set_1_rtx, flags_set_1_set): Delete.
192 (regmove_optimize): Do not call mark_flags_life_zones.
194 2009-02-24 Julian Brown <julian@codesourcery.com>
197 * config/arm/arm.c (require_pic_register): Only set
198 cfun->machine->pic_reg once per function.
200 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
202 * doc/invoke.texi (Link Options): Document an easier way to pass
203 options that take arguments to the GNU linker using -Xlinker and -Wl.
205 2009-02-24 Steve Ellcey <sje@cup.hp.com>
208 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
210 2009-02-24 Richard Guenther <rguenther@suse.de>
213 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
215 2009-02-24 Richard Guenther <rguenther@suse.de>
216 Zdenek Dvorak <ook@ucw.cz>
218 PR tree-optimization/39233
219 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
220 from converting them to a generic type.
222 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
224 PR tree-optimization/39260
225 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
226 contains a condition with a real type.
227 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
229 2009-02-23 Jason Merrill <jason@redhat.com>
232 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
233 narrowing_initializer_constant_valid_p.
234 (narrowing_initializer_constant_valid_p): Don't return
235 null_pointer_node for adding a pointer to itself.
237 2009-02-23 Jan Hubicka <jh@suse.cz>
240 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
243 2009-02-23 Jan Hubicka <jh@suse.cz>
245 PR tree-optimization/37709
246 * tree.c (block_ultimate_origin): Move here from dwarf2out.
247 * tree.h (block_ultimate_origin): Declare.
248 * dwarf2out.c (block_ultimate_origin): Move to tree.c
249 * tree-ssa-live.c (remove_unused_scope_block_p):
250 Eliminate blocks containig no instructions nor live variables nor
252 (dump_scope_block): New function.
253 (remove_unused_locals): Enable removal of dead blocks by default;
254 enable dumping at TDF_DETAILS.
256 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
258 * config/i386/i386.c (classify_argument): Don't allow COImode
260 (function_arg_advance_32): Don't allow OImode.
261 (function_arg_32): Likewise.
262 (function_value_32): Likewise.
263 (return_in_memory_32): Likewise.
264 (function_arg_64): Remove OImode comment.
266 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
269 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
270 ix86_expand_vector_set for V4DImode in 64bit mode only.
271 (ix86_expand_vector_init_one_var): Likewise.
273 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
275 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
277 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
280 * loop-iv.c: Revert last change.
281 * emit-rtl.c: Likewise.
283 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
286 * config/i386/i386.c (type_natural_mode): Remove an extra
287 space in the warning message.
288 (function_value_32): Handle 32-byte vector modes.
289 (return_in_memory_32): Likewise.
291 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
293 * loop-iv.c (truncate_value): New function.
294 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
296 (lowpart_subreg): Move to...
297 * emit-rtl.c: ...here.
299 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
301 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
302 accidental and undocumented change at revision 140860.
304 2009-02-21 Joseph Myers <joseph@codesourcery.com>
306 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
307 take gimple_seq * arguments.
308 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
309 types_compatible_p langhook.
311 2009-02-20 Mark Mitchell <mark@codesourcery.com>
312 Joseph Myers <joseph@codesourcery.com>
314 * config/arm/arm.c (arm_builtin_va_list): New function.
315 (arm_expand_builtin_va_start): Likewise.
316 (arm_gimplify_va_arg_expr): Likewise.
317 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
318 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
319 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
320 (va_list_type): New variable.
321 (arm_mangle_type): Mangle va_list_type appropriately.
323 2009-02-20 Jakub Jelinek <jakub@redhat.com>
326 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
327 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
328 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
329 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
330 parameter to 1000 for -O1 by default.
331 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
333 * loop-invariant.c: Include params.h.
334 (move_loop_invariants): Don't call move_single_loop_invariants on
337 2009-02-20 Jaka Mocnik <jaka@xlab.si>
339 * calls.c (emit_library_call_value_1): Use slot_offset instead of
340 offset when calculating bounds for indexing stack_usage_map. Fixes
341 a buffer overflow with certain target setups.
343 2009-02-20 Jakub Jelinek <jakub@redhat.com>
346 * calls.c (expand_call): Clear try_tail_call if caller and callee
347 disagree in promotion of function return value.
349 2009-02-19 Jakub Jelinek <jakub@redhat.com>
352 * c-common.c (c_determine_visibility): If visibility changed and
353 DECL_RTL has been already set, call make_decl_rtl to update symbol
356 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
359 * varasm.c (assemble_variable): Don't check DECL_NAME when
360 globalizing a variable.
362 2009-02-19 Joseph Myers <joseph@codesourcery.com>
365 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
366 expression before any __builtin_trap call.
367 * c-typeck.c (build_function_call): Convert and check function
368 arguments before generating a call to a trap. Evaluate the
369 function arguments before the trap.
371 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
374 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
375 (UNSPEC_FXAM_MEM): New unspec.
376 (fxam<mode>2_i387_with_temp): New insn and split pattern.
377 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
378 memory using fxam<mode>2_i387_with_temp to remove excess precision.
380 2009-02-19 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/39207
383 PR tree-optimization/39074
384 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
385 storedanything_tree): New.
386 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
387 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
388 (build_succ_graph): Add edges from STOREDANYTHING to all
390 (init_base_vars): Initialize STOREDANYTHING.
391 (compute_points_to_sets): Free substitution info after
392 building the succ graph.
393 (ipa_pta_execute): Likewise.
395 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
397 (do_ds_constraint): Do not add to special var or non-pointer
399 (type_could_have_pointers): Split out from ...
400 (could_have_pointers): ... here. For arrays use the element type.
401 (create_variable_info_for): Initialize may_have_pointers.
402 (new_var_info): Likewise.
403 (handle_lhs_call): Make the HEAP variable unknown-sized.
404 (intra_create_variable_infos): Use a type with pointers for
405 PARM_NOALIAS, make it unknown-sized.
407 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
410 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
412 2009-02-18 Jason Merrill <jason@redhat.com>
415 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
416 value if DECL_EXTERNAL.
417 * tree-sra.c (sra_walk_gimple_assign): Likewise.
418 * target.h (gcc_target::binds_local_p): Clarify "module".
419 * tree.h (TREE_PUBLIC): Clarify "module".
421 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
424 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
425 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
427 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
430 * c.opt (Wabi): Support C and ObjC.
433 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
435 * config/i386/i386.c (classify_argument): Warn once about the ABI
436 change when passing union with long double.
438 * doc/invoke.texi: Update -Wabi for warning psABI changes.
440 2009-02-18 Joseph Myers <joseph@codesourcery.com>
443 * c-parser.c (c_parser_compound_statement): Always enter and leave
446 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
449 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
451 2009-02-18 Jakub Jelinek <jakub@redhat.com>
453 PR tree-optimization/36922
454 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
455 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
458 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
460 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
463 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
465 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
467 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
469 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
472 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
473 Richard Sandiford <rdsandiford@googlemail.com>
475 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
476 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
477 (loongson_biadd): ...this.
479 2009-02-17 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/39202
482 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
483 a var make sure to follow existing collapses.
485 2009-02-17 Richard Guenther <rguenther@suse.de>
488 * langhooks.c (lhd_print_error_function): Check for NULL block.
490 2009-02-17 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/39204
493 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
496 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
498 * config/soft-fp/double.h: Update from glibc CVS.
500 2009-02-17 Richard Guenther <rguenther@suse.de>
502 PR tree-optimization/39207
503 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
504 strict-aliasing warnings for pointers pointing to NULL.
506 2009-02-16 Joseph Myers <joseph@codesourcery.com>
509 * c-parser.c (c_parser_braced_init): Call pop_init_level when
510 skipping until next close brace.
512 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
515 * config/i386/i386.c (ix86_expand_push): Set memory alignment
516 to function argument boundary.
518 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
520 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
521 in the lea_add. Reload eventually constraints it properly.
522 * config/picochip/constraints.md : Remove the target constraint
523 "b", since it is not needed anymore.
525 2009-02-16 Jakub Jelinek <jakub@redhat.com>
527 * gthr-dce.h: Uglify function parameter and local variable names.
528 * gthr-gnat.h: Likewise.
529 * gthr-mipssde.h: Likewise.
530 * gthr-nks.h: Likewise.
531 * gthr-posix95.h: Likewise.
532 * gthr-posix.h: Likewise.
533 * gthr-rtems.h: Likewise.
534 * gthr-single.h: Likewise.
535 * gthr-solaris.h: Likewise.
536 * gthr-tpf.h: Likewise.
537 * gthr-vxworks.h: Likewise.
538 * gthr-win32.h: Likewise.
540 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
543 * config/i386/i386.md: Restrict the new peephole2 to move
544 between MMX/SSE registers.
546 2009-02-15 Richard Guenther <rguenther@suse.de>
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 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
557 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
558 spu_srqwbyte, spu_srqwbytebc): Define.
559 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
560 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
561 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
562 "shrqby_<mode>"): New insn-and-split patterns.
563 * config/spu/spu.c (expand_builtin_args): Determine and return
564 number of operands using spu_builtin_description data.
565 (spu_expand_builtin_1): Use it.
567 2009-02-13 Steve Ellcey <sje@cup.hp.com>
570 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
573 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
576 * config/i386/i386.c (override_options): Correct warning
577 messages for -malign-loops, -malign-jumps and -malign-functions.
579 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
582 * config/i386/i386.md: Restrict the new peephole2 to move
583 between the general purpose registers.
585 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
588 * config/i386/i386.c (type_natural_mode): Add a new argument.
589 Return the original mode and warn ABI change if vector size is 32byte.
590 (function_arg_advance): Updated.
591 (function_arg): Likewise.
592 (ix86_function_value): Likewise.
593 (ix86_return_in_memory): Likewise.
594 (ix86_sol10_return_in_memory): Likewise.
595 (ix86_gimplify_va_arg): Likewise.
596 (function_arg_32): Don't warn ABX ABI change here.
597 (function_arg_64): Likewise.
599 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
601 * loop-iv.c (implies_p): In the final case, test that operands 0
602 of the two comparisons match.
604 * config/bfin/bfin.c (find_prev_insn_start): New function.
605 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
606 (find_next_insn_start): Move.
608 2009-02-13 Richard Guenther <rguenther@suse.de>
610 * configure.ac: Enable LFS.
611 * configure: Re-generate.
612 * config.in: Likewise.
614 2009-02-13 Joseph Myers <joseph@codesourcery.com>
617 * c-parser.c (c_parser_parms_list_declarator): Discard pending
618 sizes on syntax error after some arguments have been parsed.
620 2009-02-12 Jakub Jelinek <jakub@redhat.com>
622 * doc/invoke.texi (-fira): Remove.
624 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
626 * caller-save.c: Replace regclass.c with reginfo.c in comments.
630 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
632 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
633 (umul_ppmm): Likewise.
634 (count_leading_zeros): Likewise.
635 (count_trailing_zeros): Likewise.
636 (UMUL_TIME): Likewise.
638 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
640 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
641 soft-fp/t-softfp to tmake_file.
643 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
644 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
645 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
646 IA64_BUILTIN_INFQ]: New.
647 (ia64_init_builtins): Initialize __builtin_infq,
648 __builtin_fabsq and __builtin_copysignq if not HPUX.
649 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
650 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
652 * config/ia64/lib1funcs.asm (__divtf3): Define only if
654 (__fixtfti): Likewise.
655 (__fixunstfti): Likewise.
656 (__floattitf): Likewise.
658 * config/ia64/libgcc-glibc.ver: New.
659 * config/ia64/t-fprules-softfp: Likewise.
660 * config/ia64/sfp-machine.h: Likewise.
662 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
663 (LIBGCC2_TF_CEXT): Likewise.
665 (TARGET_INIT_LIBFUNCS): Likewise.
667 * config/ia64/t-glibc (SHLINB_MAPFILES):
668 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
670 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
672 * config/i386/i386.c (construct_container): Rewrite processing
673 BLKmode with X86_64_SSE_CLASS.
675 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
678 * config/i386/i386.md: Replace simplify_replace_rtx with
679 replace_rtx in the new peephole2.
681 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
683 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
684 loop unrolling do not happen at -O2.
686 2009-02-12 Michael Matz <matz@suse.de>
688 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
690 2009-02-12 Jakub Jelinek <jakub@redhat.com>
692 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
695 2009-02-12 Ben Elliston <bje@au.ibm.com>
697 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
698 patterns when updating the back chain. Missed in the 2009-02-10
701 2009-02-11 Janis Johnson <janis187@us.ibm.com>
703 * doc/extend.texi (Decimal Floating Types): Update identifier of
704 draft TR and list of missing support.
706 2009-02-11 Jakub Jelinek <jakub@redhat.com>
709 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
710 bit to variable length decl's flags, add it also to its
711 pointer replacement variable.
713 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
714 Jakub Jelinek <jakub@redhat.com>
717 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
718 (memory_blockage): New expander.
719 (*memory_blockage): New insn pattern.
720 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
721 instead of general blockage at the end of function prologue when
722 frame pointer is used to access red zone area. Do not emit blockage
723 when profiling, it is emitted in generic code.
724 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
725 function epilogue when frame pointer is used to access red zone area.
727 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
730 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
731 by arithmetic with memory operands.
732 * config/i386/predicates.md (commutative_operator): New.
734 2009-02-10 Janis Johnson <janis187@us.ibm.com>
736 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
739 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
741 * alias.h (record_alias_subset): Declare.
742 * alias.c (record_alias_subset): Make global.
744 2009-02-10 Nick Clifton <nickc@redhat.com>
746 * tree-parloops.c: Change license to GPLv3.
747 * ipa-struct-reorg.c: Change license to GPLv3.
748 * ipa-struct-reorg.h: Change license to GPLv3.
750 2009-02-10 Steve Ellcey <sje@cup.hp.com>
753 * c-decl.c (start_struct): Return NULL on error.
755 2009-02-10 Jakub Jelinek <jakub@redhat.com>
758 * cfgloopmanip.c (remove_path): Call remove_bbs after
759 cancel_loop_tree, not before it.
762 * function.h (struct function): Add has_local_explicit_reg_vars bit.
763 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
765 * tree-ssa-live.c (remove_unused_locals): Recompute
766 cfun->has_local_explicit_reg_vars.
767 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
768 copies or clearings if cfun->has_local_explicit_reg_vars.
770 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
773 * config/i386/i386.c (expand_prologue): Emit blockage at the end
774 of function prologue when frame pointer is used to access
777 2009-02-10 Richard Guenther <rguenther@suse.de>
780 * gimplify.c (gimple_regimplify_operands): Always look if
781 we need to create a temporary.
783 2009-02-10 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/39132
786 * tree-loop-distribution.c (todo): New global var.
787 (generate_memset_zero): Trigger TODO_rebuild_alias.
788 (tree_loop_distribution): Return todo.
790 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
793 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
794 (x86_64_reg_class_name): Removed.
795 (classify_argument): Return 0 if bytes > 32. Return 0 if the
796 first one isn't X86_64_SSE_CLASS or any other ones aren't
797 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
798 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
799 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
800 and 3 X86_64_SSEUP_CLASS.
801 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
802 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
804 2009-02-10 Ben Elliston <bje@au.ibm.com>
806 * config/rs6000/rs6000.md (allocate_stack): Always use an update
807 form instruction to update the stack back chain word, even if the
808 user has disabled the generation of update instructions.
809 (movdi_<mode>_update_stack): New.
810 (movsi_update_stack): Likewise.
811 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
812 always use an update form instruction to update the stack back
815 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
818 * graphite.c (if_region_set_false_region): After moving a region in
819 the false branch of a condition, remove the empty dummy basic block.
820 (gloog): Remove wrong fix for PR38953.
822 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
824 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
825 generation due to implicit sign extension.
827 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
830 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
831 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
833 2009-02-09 Richard Guenther <rguenther@suse.de>
836 * convert.c (convert_to_real): Disable (float)fn((double)x)
837 to fnf(x) conversion if errno differences may occur and
840 2009-02-07 Anatoly Sokolov <aesok@post.ru>
842 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
843 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
844 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
846 2009-02-06 Joseph Myers <joseph@codesourcery.com>
849 * c-common.c (handle_alias_attribute): Disallow attribute for
850 anything not a FUNCTION_DECL or VAR_DECL.
852 2009-02-06 Janis Johnson <janis187@us.ibm.com>
855 * real.c (do_compare): Special-case compare of zero against
858 2009-02-06 Joseph Myers <joseph@codesourcery.com>
861 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
862 as indicating flexible array members unless the field itself is
863 being declarared as the incomplete array.
865 2009-02-06 Jan Hubicka <jh@suse.cz>
867 PR tree-optimization/38844
868 * ipa-inline.c (try_inline): Stop inlining recursion when edge
871 2009-02-06 Richard Guenther <rguenther@suse.de>
874 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
875 fork because we may expand it as __gcov_fork.
877 2009-02-06 Nick Clifton <nickc@redhat.com>
879 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
881 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
883 PR tree-optimization/35659
884 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
885 vn_phi_eq): Shortcut if hashcode does not match.
886 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
888 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
889 and avoid iterative_hash_expr.
890 (FOR_EACH_VALUE_ID_IN_SET): New.
891 (value_id_compare): Remove.
892 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
893 sort expressions by value id.
895 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
898 * config/sh/predicates.md (general_movsrc_operand): Don't check
899 the subreg of system registers here.
901 2009-02-05 Jakub Jelinek <jakub@redhat.com>
904 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
907 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
909 PR rtl-optimization/39110
910 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
911 addresses, not aligned ones.
913 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
914 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/39100
917 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
918 comment says and add edges.
920 2009-02-05 Joseph Myers <joseph@codesourcery.com>
923 * c-common.c (handle_tls_model_attribute): Ignore attribute for
924 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
926 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
928 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
929 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
930 register_bb_in_sese, new_sese, free_sese): Moved.
931 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
932 outermost_loop_in_scop, build_scop_iteration_domain,
933 expand_scalar_variables_ssa_name, get_vdef_before_scop,
934 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
935 Use loop_in_sese_p instead of loop_in_scop_p.
936 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
937 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
938 (scopdet_basic_block_info): Fix bug in scop detection.
939 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
940 eq_loop_to_cloog_loop): Remove.
941 (nb_loops_around_loop_in_scop, nb_loop
942 ref_nb_loops): Moved here...
943 * graphite.h (ref_nb_loops): ... from here.
944 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
945 (loop_domain_dim, loop_iteration_vector_dim): Remove.
946 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
947 * testsuite/gcc.dg/graphite/scop-19.c: New
949 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
950 Hans-Peter Nilsson <hp@axis.com>
952 PR rtl-optimization/37889
953 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
954 Move offset handling from PLUS to before the switch. Use new
955 arguments when considering SYMBOL_REFs too.
956 (rtx_addr_can_trap_p): Pass dummy offset and size.
957 (enum may_trap_p_flags): Remove.
958 (may_trap_p_1): Pass size from MEM_SIZE.
960 PR rtl-optimization/38921
961 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
962 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
963 * rtlanal.c (may_trap_after_code_motion_p): Delete.
964 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
966 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
968 AVX Programming Reference (January, 2009)
969 * config/i386/sse.md (*vpclmulqdq): New.
971 2009-02-04 Jakub Jelinek <jakub@redhat.com>
973 PR tree-optimization/38977
974 PR gcov-profile/38292
975 * calls.c (special_function_p): Disregard __builtin_ prefix.
977 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
979 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
980 non-indexable addresses even before reload.
982 2009-02-03 Joseph Myers <joseph@codesourcery.com>
985 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
986 as having variable size. Do not give an error for unnamed
987 parameters with [*] declarators. Give a warning for type names
988 with [*] declarators and mark them as variable size.
989 * c-parser.c (c_parser_sizeof_expression): Do not give an error
990 for sizeof applied to [*] type names.
992 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
995 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
997 2009-02-03 Jakub Jelinek <jakub@redhat.com>
999 * gcc.c (process_command): Update copyright notice dates.
1000 * gcov.c (print_version): Likewise.
1001 * gcov-dump.c (print_version): Likewise.
1002 * mips-tfile.c (main): Likewise.
1003 * mips-tdump.c (main): Likewise.
1005 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1008 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1009 for composite type involving a zero-length array type.
1011 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1014 * function.c (match_asm_constraints_1): Skip over
1015 initial optional % in the constraint.
1018 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1019 supported, don't accept FIXED_CSTs.
1020 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1021 and _Sat is used without _Fract/_Accum. Set specs->type to
1022 integer_type_node for cts_fract/cts_accum if fixed point is not
1025 2009-02-02 Catherine Moore <clm@codesourcery.com>
1027 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1029 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1031 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1032 (ABI_HAS_64BIT_SYMBOLS): Use it.
1033 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1035 2009-02-02 Paul Brook <paul@codesourcery.com>
1037 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1039 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1042 * recog.h (asm_operand_ok): Add constraints argument.
1043 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1044 recurse on matching constraint.
1045 (check_asm_operands): Pass constraints as 3rd argument to
1046 asm_operand_ok. Don't look up matching constraint here.
1047 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1050 2009-02-02 Ben Elliston <bje@au.ibm.com>
1052 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1053 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1055 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1057 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1058 information. Remove some obsolete information. Reorganize.
1060 * config/pa/fptr.c: Revert license to GPL 2.
1061 * config/pa/milli64.S: Likewise.
1063 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1066 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1067 LIBRARY name in, instead of hard-coding it.
1068 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1069 extra target make frag to tmake_files according to EH model.
1070 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1071 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1072 frags that define makefile variable EH_MODEL appropriately.
1073 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1074 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1075 to "-sjlj" according to type of EH configured.
1076 (LIBGCC_SONAME): Concatenate it to shared library base name.
1077 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1078 to "_sjlj" according to type of EH configured.
1079 (LIBGCC_SONAME): Concatenate it to shared library base name.
1080 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1081 (SHLIB_LINK): Add missing semicolon to if-else construct.
1082 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1083 string value of "pe_dll" command-line option.
1084 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1085 (SHLIB_SONAME): Use it when overriding t-cygming default.
1086 (SHLIB_IMPLIB): Override t-cygming default.
1087 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1088 string value of "pe_dll" command-line option.
1090 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1093 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1094 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1096 2009-01-31 Richard Guenther <rguenther@suse.de>
1098 PR tree-optimization/38937
1099 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1100 computing the transitive closure.
1102 2009-01-30 Richard Guenther <rguenther@suse.de>
1104 PR tree-optimization/39041
1105 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1106 Propagate variable indices only if the types match for this stmt.
1108 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1111 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1112 inline but never defined.
1114 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1116 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1117 (*insv_h_di_reg_extimm): New insn.
1118 (*insv_l<mode>_reg_extimm): New insn.
1120 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1122 * config/picochip/picochip.c (flag_conserve_stack): set
1123 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1124 fconserve-stack. Reduce call-overhead used by inliner.
1126 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1129 * common.opt (flag_conserve_stack): Initialised to zero.
1131 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1134 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1135 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1138 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1140 * ira-color.c (allocno_reload_assign): Update comments.
1141 * regmove.c (regmove_optimize): Likewise.
1145 2009-01-29 Robert Millan <rmh@aybabtu.com>
1147 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1148 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1149 `MD_UNWIND_SUPPORT'.
1150 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1152 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1154 PR tree-optimization/39007
1155 * tree-loop-distribution.c (generate_builtin): Use
1156 recompute_dominator to compute the immediate dominator of the
1157 basic block just after the loop.
1159 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1161 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1162 (ASM_OUTPUT_DWARF_PCREL): Define.
1164 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1166 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1167 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1168 global. Modify entries about regmove and IRA.
1170 * ra-conflict.c: Remove the file.
1172 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1174 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1175 (pass_regclass_init): Rename to pass_reginfo_init.
1177 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1179 * toplev.h (flag_ira): Remove.
1181 * caller-save.c (setup_save_areas): Remove flag_ira.
1183 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1185 * global.c: Remove the file.
1187 * opts.c: (decode_options): Remove flag_ira.
1189 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1191 * regmove.c: Modify file description.
1192 (find_use_as_address, try_auto_increment): Define them only if
1193 AUTO_INC_DEC is defined.
1194 (replacement_quality, replace_in_call_usage, fixup_match_1,
1195 stable_and_no_regs_but_for_p): Remove.
1196 (reg_set_in_bb): Make it static.
1197 (regmove_optimize): Remove flag_ira and code which worked for
1200 * local-alloc.c: Remove the file.
1202 * common.opt (fira): Remove.
1204 * ira.c: Include except.h.
1205 (eliminable_regset): Move from global.c.
1206 (mark_elimination): Ditto. Remove flag_ira.
1207 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1208 equiv_mem_modified, validate_equiv_mem_from_store,
1209 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1210 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1211 no_equiv, recorded_label_ref): Move from local-alloc.c.
1212 (update_equiv_regs): Ditto. Make it static.
1213 (print_insn_chain, print_insn_chains): Move it from global.c.
1214 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1215 (build_insn_chain): Ditto. Make it static.
1216 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1217 Rename to init_live_subregs.
1218 (gate_ira): Remove flag_ira.
1220 * regclass.c: Rename reginfo.c. Change file description.
1221 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1222 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1223 (init_reg_sets_1): Remove code for evaluation of
1224 reg_class_superclasses and losing_caller_save_reg_set.
1225 (init_regs): Remove init_reg_autoinc.
1226 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1227 ok_for_base_p_nonstrict): Remove.
1228 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1229 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1230 corresponding entries.
1231 (dump_regclass, record_operand_costs, scan_one_insn,
1232 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1233 record_address_regs, auto_inc_dec_reg_p): Remove.
1234 (gt-regclass.h): Rename to gt-reginfo.h.
1236 * rtl.h (dump_global_regs, retry_global_alloc,
1237 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1239 * Makefile.in (RA_H): Remove.
1240 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1241 Rename regclass.o to reginfo.o.
1242 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1244 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1245 (GTFILES): Rename regclass.c to reginfo.c.
1247 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1248 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1250 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1251 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1253 (finish_spills): Ditto. Remove code for !flag_ira.
1255 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1258 * doc/invoke.texi (rtl debug options): Complete rewrite.
1259 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1261 * mode-switching.c (pass_mode_switching): Rename pass from
1262 "mode-sw" to "mode_sw".
1263 * except.c (pass_convert_to_eh_ranges): Rename pass from
1264 "eh-ranges" to "eh_ranges".
1265 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1269 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1270 Alexander Monakov <amonakov@ispras.ru>
1273 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1275 (move_exprs_to_boundary): Change return type and pass through
1276 should_move from move_op. Relax assert. Update usage ...
1277 (schedule_expr_on_boundary): ... here. Use should_move instead of
1279 (move_op_orig_expr_found): Indicate that insn was disconnected from
1281 (code_motion_process_successors): Do not call after_merge_succs
1282 callback if original expression was not found when traversing any of
1284 (code_motion_path_driver): Change return type. Update prototype.
1285 (move_op): Update comment. Add a new parameter (should_move). Update
1286 prototype. Set *should_move based on indication provided by
1287 move_op_orig_expr_found.
1289 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1291 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1292 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1293 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1294 * config/rs6000/rs6000.c (rs6000_override_options): Default
1295 avoid-indexed-addresses on for Power6, off for everything else.
1296 (avoiding_indexed_address_p): New function.
1297 (rs6000_legitimize_address): Use it.
1298 (rs6000_legitimate_address): Likewise.
1299 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1301 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1303 PR tree-optimization/38997
1304 * tree-loop-distribution.c (generate_memset_zero): Use
1305 POINTER_PLUS_EXPR for a pointer addition.
1307 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1309 * config/s390/s390.md (bswap<mode>2): New pattern added.
1311 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1313 * config/s390/s390.md (*tls_load_31): Added type attribute.
1315 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1317 * config/s390/s390.md: Fix a few comments.
1319 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1321 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1322 (*tm<mode>_full): Fixed z10prop attribute.
1323 (*tst<mode>_extimm): Fixed z10prop attribute.
1324 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1325 (*tstqiCCT_cconly): Fixed z10prop attribute.
1326 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1327 (*movsi_larl): Fixed z10prop attribute.
1328 (*movsi_zarch): Fixed z10prop attribute.
1329 (*movsi_eas): Fixed z10prop attribute.
1330 (*movhi): Fixed z10prop attribute.
1331 (*movqi): Fixed z10prop attribute.
1332 (*movstrictqi): Fixed z10prop attribute.
1333 (*mov<mode>): Fixed z10prop attribute.
1334 (*movcc): Fixed z10prop attribute.
1335 (*sethighpartdi_64): Fixed z10prop attribute.
1336 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1337 (*negdi2_sign_cc): Fixed z10prop attribute.
1338 (*negdi2_sign): Fixed z10prop attribute.
1339 (*absdi2_sign_cc): Fixed z10prop attribute.
1340 (*absdi2_sign): Fixed z10prop attribute.
1341 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1342 (*negabsdi2_sign): Fixed z10prop attribute.
1343 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1344 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1345 (doloop_si64): Fixed z10prop attribute.
1346 (doloop_si31): Fixed z10prop attribute.
1347 (doloop_long): Fixed z10prop attribute.
1348 (indirect_jump): Fixed z10prop attribute.
1349 (nop): Fixed z10prop attribute.
1350 (main_base_64): Fixed z10prop attribute.
1351 (reload_base_64): Fixed z10prop attribute.
1353 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1355 PR rtl-optimization/38740
1356 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1358 * config/mips/mips.c (mips_reorg): Likewise.
1360 2009-01-28 Richard Guenther <rguenther@suse.de>
1362 PR tree-optimization/38926
1363 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1364 with the correct value id to a value.
1365 (do_regular_insertion): Use the value number of edoubleprime
1366 for the value number of the expr.
1369 2008-08-21 Richard Guenther <rguenther@suse.de>
1371 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1372 a PHI ask VN if it is already available.
1373 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1374 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1376 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1379 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1380 set to varying whenever max has TREE_OVERFLOW set, similarly
1381 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1383 2009-01-28 Richard Guenther <rguenther@suse.de>
1386 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1387 uninitialized aggregate uses in call arguments.
1389 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1391 PR tree-optimization/38984
1392 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1393 the nothing_id variable if -fno-delete-null-pointer-checks.
1395 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1399 (set_got_offset_rex64): Ditto.
1401 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1404 * doc/extend.texi: Improve local variable with asm reg.
1406 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1408 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1409 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1410 was not supplied then set warn_packed_bitfield_compat to the
1412 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1415 2009-01-27 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/38503
1418 * cfgexpand.c (expand_gimple_basic_block): Ignore
1419 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1420 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1421 variables that cannot have TBAA applied.
1422 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1425 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1428 * calls.c (initialize_argument_information): Do not wrap complex
1429 arguments in SAVE_EXPR.
1431 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1433 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1434 (INSTALL_LIBGCC): Revert typo commit.
1436 2009-01-26 Richard Guenther <rguenther@suse.de>
1438 PR tree-optimization/38745
1439 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1440 from special handling.
1442 2009-01-26 Richard Guenther <rguenther@suse.de>
1444 PR tree-optimization/38745
1445 * tree-ssa.c (execute_update_addresses_taken): Do not include
1446 variables that cannot possibly be a register in not_reg_needs.
1447 Do not clear TREE_ADDRESSABLE on vars that may not become
1449 * tree-ssa.c (update_alias_info_1): Include those in the set
1450 of addressable vars.
1452 2009-01-26 Richard Guenther <rguenther@suse.de>
1455 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1456 * tree-ssa-dse.c: Include langhooks.h
1457 (execute_simple_dse): Remove stores with zero size.
1459 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1462 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1465 2009-01-24 Julian Brown <julian@codesourcery.com>
1467 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1468 config/arm/linux-atomic.c.
1469 * config/arm/linux-atomic.c: New.
1471 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1473 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1474 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1475 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1477 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1480 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1483 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1485 PR tree-optimization/38953
1486 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1487 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1488 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1489 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1492 2009-01-24 Paul Brook <paul@codesourcery.com>
1494 * config/arm/neon.md (neon_type): Move to arm.md.
1495 (neon_mov<VSTRUCT>): Add neon_type attribute.
1496 * config/arm/arm.md (neon_type): Move to here.
1497 (conds): Add "unconditioal" and use as default for NEON insns.
1499 2009-01-24 Ben Elliston <bje@au.ibm.com>
1501 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1502 void *' warning from -Wc++-compat.
1503 * Makefile.in (dominance.o-warn): Remove.
1505 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1507 PR tree-optimization/38932
1508 * fold-const.c (fold_unary_ignore_overflow): New.
1509 * tree.h (fold_unary_ignore_overflow): Declare.
1510 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1511 * tree-ssa-sccvn.c (visit_reference_op_load,
1512 simplify_unary_expression): Likewise.
1514 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1516 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1517 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1518 regardless of their type.
1519 * c-common.c (handle_packed_attribute): Don't ignore packed on
1521 * c.opt (Wpacked-bitfield-compat): New warning option.
1522 * stor-layout.c (place_field): Warn if offset of a field changed.
1523 * doc/extend.texi (packed): Mention the ABI change.
1524 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1525 (Warning Options): Add it to the list.
1527 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1529 * c-opts.c (c_common_post_options): Fix a typo in comments.
1531 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1534 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1535 variables to static.
1536 * doc/invoke.texi (-fmerge-all-constants): Update description.
1538 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1541 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1542 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1544 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1546 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1548 (LOCAL_ALIGNMENT): Similarly.
1550 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1551 Joseph Myers <joseph@codesourcery.com>
1553 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1554 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1555 * config/arm/arm-tune.md: Regenerate.
1556 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1559 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1561 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1562 version number to five.
1564 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1567 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1568 * c-common.c (set_underlying_type): Likewise.
1569 (is_typedef_decl ): Likewise
1571 (set_underlying_type): Likewise.
1572 (is_typedef_type): Likewise.
1574 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1577 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1580 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1583 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1584 (LIBGCC_SPEC): Don't define.
1585 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1587 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1589 PR rtl-optimization/38879
1590 * alias.c (base_alias_check): Unaligned access via AND address can
1591 alias all surrounding object types except those with sizes equal
1592 or wider than the size of unaligned access.
1594 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1597 * c-decl.c: (clone_underlying_type): Move this ...
1598 * c-common.c (set_underlying_type): ... here.
1599 Also, make sure the function properly sets TYPE_STUB_DECL() on
1600 the newly created typedef variant type.
1601 (is_typedef_decl ): New entry point.
1602 * tree.h: Added a new member member_types_needing_access_check to
1603 struct tree_decl_non_common.
1604 (set_underlying_type): New entry point.
1605 (is_typedef_type): Likewise.
1607 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1609 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1610 Check whether two instructions have memory references that
1611 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1612 are helper functions for traversing.
1613 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1614 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1615 not to draw dependency edge for instructions with non-conflicting
1618 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1621 * longlong.h: Update copyright years. Use soft-fp license notice.
1622 Sync __clz_tab declaration with glibc.
1624 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1627 * doc/extend.texi (syscall_linkage): New.
1628 (version_id): Modify.
1630 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1631 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/38747
1634 PR tree-optimization/38748
1635 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1636 conversion if the base address is an indirect reference and the
1637 aliasing sets could cause issues.
1639 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1641 * common.opt (fgraphite, fgraphite-identity): Add comment for
1642 explaining why these options are not documented.
1644 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1646 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1647 gimple_call_lhs is NULL.
1649 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1652 * emit-rtl.c (adjust_address_1): Make sure memref is never
1655 2009-01-20 Ben Elliston <bje@au.ibm.com>
1657 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1658 const qualifier from arg parameter. Remove unnecessary cast to char *.
1659 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1660 const qualifier from arg 2.
1662 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1664 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1666 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1669 * rtl.h (reinit_regs): New prototype.
1670 * regclass.c: Include ira.h.
1672 * Makefile.in (regclass.o): Add ira.h.
1673 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1675 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1678 * c-common.c (handle_aligned_attribute): Use
1679 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1680 default alignment value.
1682 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1684 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1685 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1687 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1688 __BIGGEST_ALIGNMENT__.
1690 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1692 2009-01-18 Richard Guenther <rguenther@suse.de>
1694 PR tree-optimization/38819
1695 * tree-flow.h (operation_could_trap_helper_p): Declare.
1696 * tree-eh.c (operation_could_trap_helper_p): Export.
1697 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1698 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1699 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1700 are about to insert a possibly trapping instruction and fail
1703 2009-01-18 Andreas Schwab <schwab@suse.de>
1705 * doc/install.texi (Configuration): Remove obsolete paragraph
1706 about use of --with-gnu-ld with --with-gnu-as.
1708 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1710 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1711 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1712 Follow spelling conventions.
1714 2009-01-18 Ben Elliston <bje@au.ibm.com>
1716 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1717 C++ warning about implicit conversion from void * to struct
1719 (bitmap_obstack_free): Likewise for bitmap_element *.
1720 * Makefile.in (bitmap.o-warn): Remove.
1722 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1724 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1726 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1727 Tobias Grosser <tobi.grosser@amd.com>
1729 * graphite.c (graphite_trans_scop_block): Do not block single
1732 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1734 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1735 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1736 test with assertion.
1738 2009-01-16 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/38835
1742 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1743 and INT + PTR -> (INT)(PTR p+ INT) folding.
1744 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1746 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1749 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1750 the subreg from a lowpart subreg if it is also casting the value.
1752 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1753 Tobias Grosser <tobi.grosser@amd.com>
1755 * graphite.c (compare_prefix_loops): New.
1756 (build_scop_canonical_schedules): Rewritten.
1757 (graphite_transform_loops): Move build_scop_canonical_schedules
1758 after build_scop_iteration_domain.
1760 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1761 Tobias Grosser <tobi.grosser@amd.com>
1763 * graphite.c (add_conditions_to_domain): Add the loops to
1764 the dimension of the iteration domain. Do copy the domain
1765 only when it exists.
1766 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1767 (add_conditions_to_constraints): New.
1768 (can_generate_code_stmt, can_generate_code): Removed.
1769 (gloog): Do not call can_generate_code.
1770 (graphite_transform_loops): Call add_conditions_to_constraints
1771 after building the iteration domain.
1773 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1775 PR tree-optimization/38789
1776 * tree-ssa-threadedge.c
1777 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1778 __builtin_constant_p.
1780 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1782 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1783 examined before deleting them.
1785 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1787 * function.c (aggregate_value_p): Correctly extract the function
1788 type from CALL_EXPR_FN lookup.
1790 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1792 * config/picochip/picochip.c (picochip_override_options): Revert
1793 CFI asm flag disable commited previously.
1795 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1796 Tobias Grosser <tobi.grosser@amd.com>
1797 Jan Sjodin <jan.sjodin@amd.com>
1799 * graphite.c (scan_tree_for_params): On substractions negate
1800 all the coefficients of the term.
1801 (clast_to_gcc_expression_red): New. Handle reduction expressions
1802 of more than two operands.
1803 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1804 (get_vdef_before_scop): Handle also the case of default definitions.
1806 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1808 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1809 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1810 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1812 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1813 Joey Ye <joey.ye@intel.com>
1816 * cfgexpand.c (expand_stack_alignment): Don't update stack
1817 boundary nor check incoming stack boundary here.
1818 (gimple_expand_cfg): Update stack boundary and check incoming
1819 stack boundary here.
1821 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1823 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1825 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1827 PR rtl-optimization/38245
1828 * calls.c (expand_call): Add stack arguments to
1829 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1830 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1831 in regs and partially in memory or BLKmode arguments.
1832 (emit_library_call_value_1): Add stack arguments to
1833 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1834 ACCUMULATE_OUTGOING_ARGS).
1835 * dce.c: Include tm_p.h.
1836 (find_call_stack_args): New function.
1837 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1839 (mark_insn): Call find_call_stack_args for CALL_Ps.
1840 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1841 forwards. Allocate and free arg_stores bitmap if needed, pass it
1842 down to deletable_insn_p, don't mark stores set in arg_stores
1843 bitmap, clear the bitmap at the beginning of each bb.
1844 * Makefile.in (dce.o): Depend on $(TM_P_H).
1846 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1849 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1850 to make sure the insn is a conditional test (bug 22599). Reformat a
1853 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1856 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1857 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1858 (gloog): Do not call cleanup_tree_cfg.
1859 (graphite_transform_loops): Call cleanup_tree_cfg after all
1860 scops have been code generated.
1862 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1863 * doc/gty.texi (Invoking the garbage collector): Added new node
1864 and section documenting ggc_collect.
1866 2009-01-14 Richard Guenther <rguenther@suse.de>
1868 PR tree-optimization/38826
1870 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1871 initialization notes only if we actually emitted a warning.
1872 (intra_create_variable_infos): Add constraints for a result decl
1873 that is passed by hidden reference.
1874 (build_pred_graph): Mark all related variables non-direct on
1877 2009-01-14 Nick Clifton <nickc@redhat.com>
1879 * ira-conflicts.c: Include addresses.h for the definition of
1881 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1882 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1884 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1887 * Makefile.in (ira-lives.o): Add except.h.
1889 * ira-lives.c: Include except.h.
1890 (process_bb_node_lives): Process can_throw_internal.
1892 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1894 PR rtl-optimization/38774
1895 * combine.c (simplify_set): When undoing cc_use change, don't do
1896 PUT_CODE on the newly created comparison, but instead put back the
1899 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1901 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1902 values. Remove duplicate arm8 entry.
1904 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1906 PR tree-optimization/38786
1907 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1908 the SSA_NAME case of expand_scalar_variables_expr.
1909 Set the type of an expression to the type of its assign statement.
1910 (expand_scalar_variables_expr): Also gather the scalar computation
1911 used to index the memory access. Do not pass loop_p.
1912 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1913 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1914 the gimple_stmt_iterator where it inserts new code.
1916 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1917 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1919 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1921 * graphite.h (debug_value): Removed.
1922 * graphite.c (debug_value): Removed.
1924 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1926 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1927 ldrd/strd with two 32-bit instructions.
1929 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1931 * config/arm/arm.c (struct processors): Pass for speed down into
1932 cost helper functions.
1933 (const_ok_for_op): Handle COMPARE and inequality nodes.
1934 (arm_rtx_costs_1): Rewrite.
1935 (arm_size_rtx_costs): Update prototype.
1936 (arm_rtx_costs): Pass speed down to helper functions.
1937 (arm_slowmul_rtx_costs): Rework cost calculations.
1938 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1939 (arm_9e_rtx_costs): Likewise.
1941 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1943 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1944 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1945 (alpha_legitimize_address): Do not split local symbols wider than
1946 UNITS_PER_WORD into HIGH/LO_SUM parts.
1948 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1951 * gcc.c (process_command): Replace call to execvp with calls
1952 to pex_one and exit.
1954 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1957 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1958 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1959 variant for devices with 3-byte PC.
1960 (__tablejump_elpm__) : New.
1962 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1965 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1966 offsetof member-designator, handle it as `[0].'.
1968 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1970 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1971 function when not using named sections on targets with named sections
1972 if branch distance is less than 262132.
1974 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1976 * combine.c (combine_instructions): Recompute
1977 optimize_this_for_speed_p for each BB in the main combine loop.
1979 2009-01-12 Tomas Bily <tbily@suse.cz>
1982 * tree-loop-distribution.c (prop_phis): New function.
1983 (generate_builtin): Call prop_phis.
1984 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1986 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1988 PR tree-optimization/38807
1989 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1990 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1992 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1994 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1995 subreg of op0 to the original op0.
1997 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1999 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2001 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2004 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2005 starting with digits.
2007 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2010 * config/arm/arm.c (arm_is_long_call_p): Don't call
2011 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2013 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2015 * regrename.c (regrename_optimize): Fix dumping.
2016 (find_oldest_value_reg): Preserve REG_POINTER.
2017 (copy_hardreg_forward_1): Likewise.
2019 2009-01-09 Diego Novillo <dnovillo@google.com>
2021 * gimple.h (struct gimple_statement_base) <uid>: Document
2022 the restrictions on its use.
2024 (gimple_set_uid): Tidy.
2026 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2028 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2029 zero guard even if align_bytes != 0 and count is smaller than
2032 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2034 PR rtl-optimization/38495
2035 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2036 (add_range_and_copies_from_move_list): Print all added ranges.
2037 Add ranges to memory optimized destination.
2039 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2043 * config/i386/i386.c (override_options): Reject
2044 -mstringop-strategy=rep_8byte with -m32.
2045 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2046 to 1. Do count comparison against epilogue_size_needed at compile
2047 time even when count_exp was constant forced into register. For
2048 size_needed don't jump to epilogue, instead just avoid aligning
2049 and invoke the body algorithm. If need_zero_guard, add zero guard
2050 even if count is non-zero, but smaller than size_needed + number of
2051 bytes that could be stored for alignment.
2052 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2053 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2054 but smaller than size_needed + number of bytes that could be stored
2055 for alignment. Compare size_needed with epilogue_size_needed instead
2056 of desired_align - align, don't adjust size_needed, pass
2057 epilogue_size_needed to the epilogue expanders.
2060 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2062 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2064 * pa.c (last_address): Change to unsigned.
2065 (update_total_code_bytes): Change argument to unsigned. Don't
2066 check if insn addresses are set.
2067 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2068 addresses are not set.
2069 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2071 2009-01-09 Nick Clifton <nickc@redhat.com>
2073 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2074 DECL_DECLARED_INLINE_P.
2076 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2079 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2080 GET_MODE (op0) in operand_subword_force calls.
2083 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2084 fold_convert arg0 operands to TREE_TYPE (op0) first.
2086 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2088 * params.def (ira-max-conflict-table-size): Decrease default value
2091 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2093 PR tree-optimization/37031
2094 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2096 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2097 allocate it using gc instead of heap, use VEC_quick_push instead of
2099 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2100 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2101 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2102 allocated vector from heap allocated.
2103 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2104 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2105 vector only after perfect_loop_nest_depth call.
2107 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2108 Jan Sjodin <jan.sjodin@amd.com>
2110 PR tree-optimization/38559
2111 * graphite.c (debug_value, copy_constraint,
2112 swap_constraint_variables, scale_constraint_variable, ): New.
2113 (get_lower_bound, get_upper_bound): Removed.
2114 (graphite_trans_bb_strip_mine): Clean up this code that works
2115 only for constant number of iterations. Fully copy upper and
2116 lower bound constraints, not only the constant part of them.
2117 * graphite.h (debug_value): Declared.
2119 2009-01-08 Ira Rosen <irar@il.ibm.com>
2121 PR tree-optimization/37194
2122 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2123 Don't add the cost of cost model guard in prologue to scalar
2124 outside cost in case of known number of iterations.
2126 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2127 Alan Modra <amodra@bigpond.net.au>
2129 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2130 non-word-aligned REG+CONST addressing.
2132 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2135 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2136 free_after_compilation when outputting a thunk.
2137 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2138 Do not call free_after_compilation here.
2140 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2142 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2143 (ix86_valid_target_attribute_inner_p): Ditto.
2145 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2147 PR tree-optimization/38492
2148 PR tree-optimization/38498
2149 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2150 * tree-chrec.h (scev_is_linear_expression): Declared.
2151 * graphite.c (graphite_cannot_represent_loop_niter): New.
2152 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2153 (graphite_loop_normal_form): Use gcc_assert.
2154 (scan_tree_for_params): Use CASE_CONVERT.
2155 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2156 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2157 Use gcc_assert. Discard scops that contain unhandled cases.
2158 (build_scop_conditions): Return a boolean status for unhandled cases.
2159 (strip_mine_profitable_p): Print the loop number, not its depth.
2160 (is_interchange_valid): Pass the depth of the loop nest, don't
2161 recompute it wrongly.
2162 (graphite_trans_bb_block): Same.
2163 (graphite_trans_bb_block): Print tentative of loop blocking.
2164 (graphite_trans_scop_block): Do not print that the loop has been
2166 (graphite_transform_loops): Do not handle scops that contain condition
2169 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2171 AVX Programming Reference (December, 2008)
2172 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2173 (_mm256_stream_pd): Likewise.
2174 (_mm256_stream_ps): Likewise.
2176 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2177 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2178 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2179 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2180 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2181 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2182 (ix86_expand_special_args_builtin): Likewise.
2184 * config/i386/sse.md (AVXMODEDI): New.
2185 (avx_movnt<mode>): Likewise.
2186 (avx_movnt<mode>): Likewise.
2187 (<sse>_movnt<mode>): Remove AVX support.
2188 (sse2_movntv2di): Likewise.
2190 2009-01-07 Richard Guenther <rguenther@suse.de>
2193 * fold-const.c (extract_muldiv): Remove obsolete comment.
2194 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2195 to PLUS_EXPR canonicalization for the canonicalization.
2197 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2199 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2200 hosted cross-compilers generating less efficient code.
2202 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2204 * function.h (rtl_data): Add a dbr_scheduled_p field.
2205 * reorg.c (dbr_schedule): Set it.
2206 (gate_handle_delay_slots): Check it.
2207 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2208 (mips_reorg): Check flag_delayed_branch instead of
2209 mips_base_delayed_branch.
2210 (mips_override_options): Don't set mips_base_delayed_branch
2211 or flag_delayed_branch.
2213 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2215 PR rtl-optimization/38426.
2216 * ira.c (ira): Set current_function_is_leaf earlier.
2218 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2220 PR rtl-optimization/38722
2221 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2222 too early, only set a flag and modify after last possible
2225 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2228 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2229 * real.c (decimal_single_format): Correct values of emin and emax.
2230 (decimal_double_format): Ditto.
2231 (decimal_quad_format): Ditto.
2232 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2233 computation of DECnn_MIN and DECnn_MAX for corrected values of
2234 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2235 __DECnn_MIN__, and adjust its computation for the corrected value
2238 2009-01-06 Jan Hubicka <jh@suse.cz>
2241 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2243 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2245 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2246 Add Robert Clark to the list of testers.
2248 2009-01-06 Jan Hubicka <jh@suse.cz>
2249 Kai Tietz <kai.tietz@onevision.com>
2251 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2252 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2254 2009-01-06 Jan Hubicka <jh@suse.cz>
2255 Kai Tietz <kai.tietz@onevision.com>
2257 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2259 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2260 (ix86_nsaved_regs): Count only general purpose regs.
2261 (ix86_nsaved_sseregs): New.
2262 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2263 to 16 for w64; compute padding and size of sse reg save area.
2264 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2265 general purpose regs.
2266 (ix86_emit_save_sse_regs_using_mov): New.
2267 (ix86_expand_prologue): Save SSE regs if needed.
2268 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2269 (ix86_emit_restore_sse_regs_using_mov): New.
2270 (ix86_expand_epilogue): Save SSE regs if needed.
2272 2009-01-06 Jan Hubicka <jh@suse.cz>
2273 Kai Tietz <kai.tietz@onevision.com>
2275 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2276 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2277 functions when accumulate outgoing args is off.
2279 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2282 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2283 before using pseudos_have_intersected_live_ranges_p.
2285 * ira-int.h (ira_assert): Always define.
2287 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2289 AVX Programming Reference (December, 2008)
2290 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2291 (_mm256_permute2_pd): Likewise.
2292 (_mm_permute2_ps): Likewise.
2293 (_mm256_permute2_ps): Likewise.
2294 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2295 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2297 * config/i386/i386.c (ix86_builtins): Remove
2298 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2299 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2300 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2301 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2302 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2303 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2304 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2305 __builtin_ia32_vpermil2ps256.
2306 (ix86_init_mmx_sse_builtins): Updated.
2307 (ix86_expand_args_builtin): Likewise.
2309 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2311 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2312 long absolute calls when generating PA 2.0 code.
2314 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2316 PR rtl-optimization/38583
2317 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2319 * params.def (ira-max-conflict-table-size): New.
2321 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2323 * ira.h (ira_conflicts_p): New external definition.
2325 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2326 table. Report this. Return result of building.
2327 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2328 building conflict table.
2330 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2331 (ira_color): Use ira_conflicts_p.
2333 * global.c: Include ira.h.
2334 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2337 * Makefile.in (global.o): Add ira.h.
2339 * ira-build.c (mark_all_loops_for_removal,
2340 propagate_some_info_from_allocno): New.
2341 (remove_unnecessary_allocnos): Call
2342 propagate_some_info_from_allocno.
2343 (remove_low_level_allocnos): New.
2344 (remove_unnecessary_regions): Add parameter. Call
2345 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2346 parameter to remove_unnecessary_regions.
2347 (ira_build): Remove all regions but root if the conflict table was
2348 not built. Update conflict hard regs for allocnos crossing calls.
2350 * ira.c (ira_conflicts_p): New global.
2351 (ira): Define and use ira_conflicts_p.
2353 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2354 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2355 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2357 2009-01-06 Ben Elliston <bje@au.ibm.com>
2359 * gengtype-lex.l (YY_NO_INPUT): Define.
2361 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2364 * c-common.c (handle_vector_size_attribute): Also reject
2367 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2369 PR tree-optimization/38492
2370 * graphite.c (rename_map_elt, debug_rename_elt,
2371 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2372 rename_map_elt_info, eq_rename_map_elts,
2373 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2374 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2375 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2376 (sese_build_livein_liveouts): New.
2377 (new_sese, free_sese): New.
2378 (new_scop): Call new_sese.
2379 (free_scop): Call free_sese.
2380 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2381 (register_old_new_names): Renamed register_old_and_new_names.
2382 (register_scop_liveout_renames, add_loop_exit_phis,
2383 insert_loop_close_phis, struct igp,
2384 default_liveout_before_guard, add_guard_exit_phis,
2385 insert_guard_phis, copy_renames): New.
2386 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2387 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2388 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2389 (scop_adjust_phis_for_liveouts): New.
2390 (gloog): Call scop_adjust_phis_for_liveouts.
2392 * graphite.h (struct sese): Documented. Added fields liveout,
2394 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2395 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2396 (struct scop): Added field liveout_renames.
2397 (SCOP_LIVEOUT_RENAMES): New.
2399 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2401 PR tree-optimization/38510
2402 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2403 (translate_clast): Call recompute_all_dominators before
2405 (gloog): Call recompute_all_dominators before graphite_verify.
2407 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2408 Jan Sjodin <jan.sjodin@amd.com>
2410 PR tree-optimization/38500
2411 * graphite.c (create_sese_edges): Call fix_loop_structure after
2414 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2416 * config.gcc: Add m32r*-*-rtems*.
2417 * config/m32r/rtems.h: New file.
2419 2009-01-05 Ben Elliston <bje@au.ibm.com>
2421 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2422 (.po.pox): Likewise.
2423 (po/gcc.pot): Likewise.
2425 2009-01-04 David S. Miller <davem@davemloft.net>
2427 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2428 (STARTING_FRAME_OFFSET): Always set to zero.
2430 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2432 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2433 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2434 fixed-point types, and vectors of the same.
2436 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2438 * config/mips/sync.md (*mb_barrier): Rename to...
2439 (*memory_barrier): ...this.
2441 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2443 * doc/extend.texi (Function Attributes): Move @cindex after @item
2444 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2445 and put in alphabetical order. Fix 'target' name and put in order.
2446 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2449 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2451 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2452 (memory_barrier): Expand as unspec instead of unspec_volatile.
2453 Remove mem:BLK from insn operands. Use Pmode scratch register.
2454 (*memory_barrier): Define as unspec instead of unspec_volatile.
2455 Use (match_dup 0) as input operand.
2457 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2458 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2459 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2460 scratch register. Remove operand 1.
2461 (*stbar): Define as unspec instead of unspec_volatile.
2462 Use (match_dup 0) as input operand, remove (const_int 8).
2463 (*membar): Define as unspec instead of unspec_volatile.
2464 Use (match_dup 0) as input operand, remove input operand 2.
2466 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2467 (memory_barrier): Expand as unspec instead of unspec_volatile.
2468 Remove mem:BLK from insn operands. Use Pmode scratch register.
2469 (*memory_barrier): Define as unspec instead of unspec_volatile.
2470 Use (match_dup 0) as input operand.
2472 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2473 Remove mem:BLK from insn operands. Use Pmode scratch register.
2474 Set volatile flag on operand 0.
2475 (*memory_barrier): New insn pattern.
2477 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2479 (*memory_barrier): Use (match_dup 0) as input operand.
2481 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2482 Remove mem:BLK from insn operands. Use Pmode scratch register.
2483 Set volatile flag on operand 0.
2484 (*mb_internal): New insn pattern.
2486 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2488 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2491 * function.c (struct temp_slot): Move to the section of the file
2492 that deals with temp slots. Remove field 'address'.
2493 (temp_slot_address_table): New hash table of address -> temp slot.
2494 (struct temp_slot_address_entry): New struct, items for the table.
2495 (temp_slot_address_compute_hash, temp_slot_address_hash,
2496 temp_slot_address_eq, insert_temp_slot_address): Support functions
2498 (find_temp_slot_from_address): Rewrite to use the new hash table.
2499 (remove_unused_temp_slot_addresses): Remove addresses of temp
2500 slots that have been made available.
2501 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2502 worker function for remove_unused_temp_slot_addresses.
2503 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2504 Add the temp slot address to the address -> temp slot map.
2505 (update_temp_slot_address): Update via insert_temp_slot_address.
2506 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2507 (pop_temp_slots): Likewise.
2508 (init_temp_slots): Allocate the address -> temp slot map, or empty
2509 the map if it is already allocated.
2510 (prepare_function_start): Initialize temp slot processing.
2512 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2515 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2516 Calculate the size of all stack vars assuming no packing of stack
2517 vars will happen, replacing a quadratic algorithm with a linear one.
2519 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2522 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2525 2009-01-03 Diego Novillo <dnovillo@google.com>
2527 * doc/contrib.texi: Update contributions.
2529 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2532 * builtins.c (fold_builtin_memory_op): Give up if either operand
2533 is volatile. Set srctype or desttype to non-qualified version
2537 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2540 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2542 PR rtl-optimization/35805
2543 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2544 problem if fast dce is able to remove any instructions.
2545 * dce.c (dce_process_block): Fix dump message.
2547 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2550 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2552 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2555 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2556 * tree-pretty-print.c (op_code_prio): New function.
2557 (op_prio): No longer static. Use op_code_prio.
2558 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2559 Use op_prio and op_code_prio to determine if () should be
2560 printed around operand(s) or not.
2562 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2563 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2564 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2565 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2566 pp_character instead of pp_string for single letter printing.
2568 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2570 * doc/extend.texi: Fix '#pragma GCC option' typo.
2572 2009-01-02 Richard Guenther <rguenther@suse.de>
2574 * doc/install.texi (--enable-checking): Mention different
2576 (--enable-stage1-checking): Document.
2578 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2581 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2582 case to be an error.
2584 2009-01-02 Ben Elliston <bje@au.ibm.com>
2586 * config/fp-bit.h (pack_d): Constify argument.
2587 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2588 (isnan): Constify argument.
2592 (_fpadd_parts): Constify return type.
2593 (_fpmul_parts): Likewise.
2594 (_fpdiv_parts): Likewise.
2596 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2599 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2600 warn about overwriting initializer with side-effects or
2601 -Woverride-init if !IMPLICIT.
2602 (output_init_element): Likewise. Pass IMPLICIT down to
2604 (process_init_element): Add IMPLICIT argument. Pass it down
2605 to output_init_element.
2606 (push_init_element, pop_init_level, set_designator): Adjust
2607 process_init_element callers.
2608 (set_nonincremental_init, set_nonincremental_init_from_string):
2609 Adjust add_pending_init callers.
2610 (output_pending_init_elements): Adjust output_init_element callers.
2611 * c-tree.h (process_init_element): Adjust prototype.
2612 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2613 process_init_element callers.
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