1 2009-03-01 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/39331
4 * omp-low.c (lower_send_shared_vars): Do not receive new
5 values for the reference of DECL_BY_REFERENCE parms or results.
7 2009-03-01 Jan Hubicka <jh@suse.cz>
10 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
11 BLOCK_NONLOCALIZED_VAR): New macros.
12 (tree_block): Add nonlocalized_vars.
13 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
14 gen_decl_die): Add origin argument. Allow generation of die with
16 (gen_member_die, gen_type_die_with_usage, force_decl_die,
17 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
19 (gen_block_die): Fix checking for unused blocks.
20 (process_scope_var): Break out from .... ; work with origins only.
21 (decls_for_scope) ... here; process nonlocalized list.
22 (dwarf2out_ignore_block): Look for nonlocalized vars.
23 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
25 (dump_scope_block): Dump them.
26 * tree-inline.c (remap_decls): Handle nonlocalized vars.
27 (remap_block): Likewise.
28 (can_be_nonlocal): New predicate.
29 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
31 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
33 * configure: Regenerate.
35 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
37 * optc-gen.awk: No need to duplicate option flags twice.
38 Reuse help texts for duplicate options which do not have
41 * gcc.c (display_help): Document --version.
43 * gcc.c (main): If print_help_list and verbose_flag, ensure
44 driver output comes before subprocess output.
46 * optc-gen.awk: Assign all remaining fields to help string,
47 space-separated, for multi-line help in *.opt.
49 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
50 -Wno-pedantic-ms-format is for MinGW targets only.
52 * doc/options.texi (Option file format): Fix bad indentation,
53 restoring dropped sentence.
55 2009-02-28 Jan Hubicka <jh@suse.cz>
57 * tree-inline.c (tree_function_versioning): Output debug info.
59 2009-02-28 Jan Hubicka <jh@suse.cz>
62 * tree-inline.c (setup_one_parameter): Do not copy propagate
63 arguments when not optimizing.
65 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
68 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
69 (avx_addsubv4df3): Likewise.
70 (*avx_addsubv4sf3): Likewise.
71 (sse3_addsubv4sf3): Likewise.
72 (*avx_addsubv2df3): Likewise.
73 (sse3_addsubv2df3): Likewise.
74 (avx_unpckhps256): Correct item selectors.
75 (avx_unpcklps256): Likewise.
76 (avx_unpckhpd256): Likewise.
77 (avx_unpcklpd256): Likewise.
79 2009-02-28 Jan Hubicka <jh@suse.cz>
81 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
83 (copy_arguments_for_versioning): If var is declared don't declare it.
84 (tree_function_versioning): First setup substitutions and then copy
87 2009-02-27 Jan Hubicka <jh@suse.cz>
90 * cgraph.h (varpool_output_debug_info): Remove.
91 * cgraphunit.c (varpool_output_debug_info): Remove.
92 * dwarf2out.c (deferred_locations_struct): New struct
93 (deferred_locations): New type.
94 (deferred_locations_list): New static var.
95 (deffer_location): New function.
96 (gen_variable_die): Use it.
97 (decls_for_scope): Output info on local static vars.
98 (dwarf2out_finish): Process deferred locations.
99 * varpool.c (varpool_output_debug_info): Remove.
101 2009-02-27 Jan Hubicka <jh@suse.cz>
104 * tree.h (TREE_PROTECTED): Fix comment.
105 (BLOCK_HANDLER_BLOCK): Remove.
106 (struct tree_block): Remove handler_block add body_block.
107 (inlined_function_outer_scope_p): New.
108 (is_body_block): Remove.
109 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
110 * dwarf2out.c (is_inlined_entry_point): Remove.
111 (add_high_low_attributes): Use inlined_function_outer_scope_p.
112 (gen_block_die): Use is_inlined_entry_point check. Remove body block
114 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
115 * gimplify.c (gimplify_expr): Gimplify body blocks.
116 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
117 block with multiple subblocks.
118 (dump_scope_block): Prettier output; dump more flags and info.
119 (dump_scope_blocks): New.
120 (remove_unused_locals): Use dump_scope_blocks.
121 * tree-flow.h (dump_scope_blocks): Declare.
122 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
123 * stmt.c (is_body_block): Remove.
124 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
125 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
127 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
130 * graphite.c (graphite_loop_normal_form): Do not call
131 number_of_iterations_exit from a gcc_assert.
133 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
135 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
136 jumps if COND is NULL.
137 (find_cond_jump): New function.
138 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
139 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
141 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
143 * config/alpha/alpha.h (alpha_expand_mov): Return false if
144 force_const_mem returns NULL_RTX.
146 2009-02-26 Jan Hubicka <jh@suse.cz>
149 * cgraph.h (varpool_output_debug_info): Remove.
150 * cgraphunit.c (varpool_output_debug_info): Remove.
151 * dwarf2out.c (deferred_locations_struct): New struct
152 (deferred_locations): New type.
153 (deferred_locations_list): New static var.
154 (deffer_location): New function.
155 (gen_variable_die): Use it.
156 (decls_for_scope): Output info on local static vars.
157 (dwarf2out_finish): Process deferred locations.
158 * varpool.c (varpool_output_debug_info): Remove.
160 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
162 PR rtl-optimization/39241
163 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
164 to subreg_offset_representable_p.
166 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
168 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
169 execute function prototype. Get f and nregs from max_reg_num
170 and get_insns. Remove the first backward pass as it's dead,
171 guard the forward pass by flag_expensive_optimizations.
172 (rest_of_handle_regmove): Delete.
173 (pass_regmove): Replace it with regmove_optimize.
175 2009-02-25 Martin Jambor <mjambor@suse.cz>
177 PR tree-optimization/39259
178 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
179 alls_alloca function flags.
180 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
183 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
185 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
186 flags_set_1_rtx, flags_set_1_set): Delete.
187 (regmove_optimize): Do not call mark_flags_life_zones.
189 2009-02-24 Julian Brown <julian@codesourcery.com>
192 * config/arm/arm.c (require_pic_register): Only set
193 cfun->machine->pic_reg once per function.
195 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
197 * doc/invoke.texi (Link Options): Document an easier way to pass
198 options that take arguments to the GNU linker using -Xlinker and -Wl.
200 2009-02-24 Steve Ellcey <sje@cup.hp.com>
203 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
205 2009-02-24 Richard Guenther <rguenther@suse.de>
208 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
210 2009-02-24 Richard Guenther <rguenther@suse.de>
211 Zdenek Dvorak <ook@ucw.cz>
213 PR tree-optimization/39233
214 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
215 from converting them to a generic type.
217 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
219 PR tree-optimization/39260
220 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
221 contains a condition with a real type.
222 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
224 2009-02-23 Jason Merrill <jason@redhat.com>
227 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
228 narrowing_initializer_constant_valid_p.
229 (narrowing_initializer_constant_valid_p): Don't return
230 null_pointer_node for adding a pointer to itself.
232 2009-02-23 Jan Hubicka <jh@suse.cz>
235 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
238 2009-02-23 Jan Hubicka <jh@suse.cz>
240 PR tree-optimization/37709
241 * tree.c (block_ultimate_origin): Move here from dwarf2out.
242 * tree.h (block_ultimate_origin): Declare.
243 * dwarf2out.c (block_ultimate_origin): Move to tree.c
244 * tree-ssa-live.c (remove_unused_scope_block_p):
245 Eliminate blocks containig no instructions nor live variables nor
247 (dump_scope_block): New function.
248 (remove_unused_locals): Enable removal of dead blocks by default;
249 enable dumping at TDF_DETAILS.
251 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
253 * config/i386/i386.c (classify_argument): Don't allow COImode
255 (function_arg_advance_32): Don't allow OImode.
256 (function_arg_32): Likewise.
257 (function_value_32): Likewise.
258 (return_in_memory_32): Likewise.
259 (function_arg_64): Remove OImode comment.
261 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
264 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
265 ix86_expand_vector_set for V4DImode in 64bit mode only.
266 (ix86_expand_vector_init_one_var): Likewise.
268 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
270 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
272 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
275 * loop-iv.c: Revert last change.
276 * emit-rtl.c: Likewise.
278 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
281 * config/i386/i386.c (type_natural_mode): Remove an extra
282 space in the warning message.
283 (function_value_32): Handle 32-byte vector modes.
284 (return_in_memory_32): Likewise.
286 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
288 * loop-iv.c (truncate_value): New function.
289 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
291 (lowpart_subreg): Move to...
292 * emit-rtl.c: ...here.
294 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
296 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
297 accidental and undocumented change at revision 140860.
299 2009-02-21 Joseph Myers <joseph@codesourcery.com>
301 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
302 take gimple_seq * arguments.
303 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
304 types_compatible_p langhook.
306 2009-02-20 Mark Mitchell <mark@codesourcery.com>
307 Joseph Myers <joseph@codesourcery.com>
309 * config/arm/arm.c (arm_builtin_va_list): New function.
310 (arm_expand_builtin_va_start): Likewise.
311 (arm_gimplify_va_arg_expr): Likewise.
312 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
313 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
314 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
315 (va_list_type): New variable.
316 (arm_mangle_type): Mangle va_list_type appropriately.
318 2009-02-20 Jakub Jelinek <jakub@redhat.com>
321 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
322 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
323 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
324 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
325 parameter to 1000 for -O1 by default.
326 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
328 * loop-invariant.c: Include params.h.
329 (move_loop_invariants): Don't call move_single_loop_invariants on
332 2009-02-20 Jaka Mocnik <jaka@xlab.si>
334 * calls.c (emit_library_call_value_1): Use slot_offset instead of
335 offset when calculating bounds for indexing stack_usage_map. Fixes
336 a buffer overflow with certain target setups.
338 2009-02-20 Jakub Jelinek <jakub@redhat.com>
341 * calls.c (expand_call): Clear try_tail_call if caller and callee
342 disagree in promotion of function return value.
344 2009-02-19 Jakub Jelinek <jakub@redhat.com>
347 * c-common.c (c_determine_visibility): If visibility changed and
348 DECL_RTL has been already set, call make_decl_rtl to update symbol
351 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
354 * varasm.c (assemble_variable): Don't check DECL_NAME when
355 globalizing a variable.
357 2009-02-19 Joseph Myers <joseph@codesourcery.com>
360 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
361 expression before any __builtin_trap call.
362 * c-typeck.c (build_function_call): Convert and check function
363 arguments before generating a call to a trap. Evaluate the
364 function arguments before the trap.
366 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
369 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
370 (UNSPEC_FXAM_MEM): New unspec.
371 (fxam<mode>2_i387_with_temp): New insn and split pattern.
372 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
373 memory using fxam<mode>2_i387_with_temp to remove excess precision.
375 2009-02-19 Richard Guenther <rguenther@suse.de>
377 PR tree-optimization/39207
378 PR tree-optimization/39074
379 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
380 storedanything_tree): New.
381 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
382 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
383 (build_succ_graph): Add edges from STOREDANYTHING to all
385 (init_base_vars): Initialize STOREDANYTHING.
386 (compute_points_to_sets): Free substitution info after
387 building the succ graph.
388 (ipa_pta_execute): Likewise.
390 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
392 (do_ds_constraint): Do not add to special var or non-pointer
394 (type_could_have_pointers): Split out from ...
395 (could_have_pointers): ... here. For arrays use the element type.
396 (create_variable_info_for): Initialize may_have_pointers.
397 (new_var_info): Likewise.
398 (handle_lhs_call): Make the HEAP variable unknown-sized.
399 (intra_create_variable_infos): Use a type with pointers for
400 PARM_NOALIAS, make it unknown-sized.
402 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
405 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
407 2009-02-18 Jason Merrill <jason@redhat.com>
410 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
411 value if DECL_EXTERNAL.
412 * tree-sra.c (sra_walk_gimple_assign): Likewise.
413 * target.h (gcc_target::binds_local_p): Clarify "module".
414 * tree.h (TREE_PUBLIC): Clarify "module".
416 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
419 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
420 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
422 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
425 * c.opt (Wabi): Support C and ObjC.
428 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
430 * config/i386/i386.c (classify_argument): Warn once about the ABI
431 change when passing union with long double.
433 * doc/invoke.texi: Update -Wabi for warning psABI changes.
435 2009-02-18 Joseph Myers <joseph@codesourcery.com>
438 * c-parser.c (c_parser_compound_statement): Always enter and leave
441 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
444 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
446 2009-02-18 Jakub Jelinek <jakub@redhat.com>
448 PR tree-optimization/36922
449 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
450 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
453 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
455 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
458 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
460 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
462 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
464 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
467 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
468 Richard Sandiford <rdsandiford@googlemail.com>
470 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
471 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
472 (loongson_biadd): ...this.
474 2009-02-17 Richard Guenther <rguenther@suse.de>
476 PR tree-optimization/39202
477 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
478 a var make sure to follow existing collapses.
480 2009-02-17 Richard Guenther <rguenther@suse.de>
483 * langhooks.c (lhd_print_error_function): Check for NULL block.
485 2009-02-17 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/39204
488 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
491 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
493 * config/soft-fp/double.h: Update from glibc CVS.
495 2009-02-17 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/39207
498 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
499 strict-aliasing warnings for pointers pointing to NULL.
501 2009-02-16 Joseph Myers <joseph@codesourcery.com>
504 * c-parser.c (c_parser_braced_init): Call pop_init_level when
505 skipping until next close brace.
507 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
510 * config/i386/i386.c (ix86_expand_push): Set memory alignment
511 to function argument boundary.
513 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
515 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
516 in the lea_add. Reload eventually constraints it properly.
517 * config/picochip/constraints.md : Remove the target constraint
518 "b", since it is not needed anymore.
520 2009-02-16 Jakub Jelinek <jakub@redhat.com>
522 * gthr-dce.h: Uglify function parameter and local variable names.
523 * gthr-gnat.h: Likewise.
524 * gthr-mipssde.h: Likewise.
525 * gthr-nks.h: Likewise.
526 * gthr-posix95.h: Likewise.
527 * gthr-posix.h: Likewise.
528 * gthr-rtems.h: Likewise.
529 * gthr-single.h: Likewise.
530 * gthr-solaris.h: Likewise.
531 * gthr-tpf.h: Likewise.
532 * gthr-vxworks.h: Likewise.
533 * gthr-win32.h: Likewise.
535 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
538 * config/i386/i386.md: Restrict the new peephole2 to move
539 between MMX/SSE registers.
541 2009-02-15 Richard Guenther <rguenther@suse.de>
544 2009-02-13 Richard Guenther <rguenther@suse.de>
546 * configure.ac: Enable LFS.
547 * configure: Re-generate.
548 * config.in: Likewise.
550 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
552 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
553 spu_srqwbyte, spu_srqwbytebc): Define.
554 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
555 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
556 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
557 "shrqby_<mode>"): New insn-and-split patterns.
558 * config/spu/spu.c (expand_builtin_args): Determine and return
559 number of operands using spu_builtin_description data.
560 (spu_expand_builtin_1): Use it.
562 2009-02-13 Steve Ellcey <sje@cup.hp.com>
565 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
568 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
571 * config/i386/i386.c (override_options): Correct warning
572 messages for -malign-loops, -malign-jumps and -malign-functions.
574 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
577 * config/i386/i386.md: Restrict the new peephole2 to move
578 between the general purpose registers.
580 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
583 * config/i386/i386.c (type_natural_mode): Add a new argument.
584 Return the original mode and warn ABI change if vector size is 32byte.
585 (function_arg_advance): Updated.
586 (function_arg): Likewise.
587 (ix86_function_value): Likewise.
588 (ix86_return_in_memory): Likewise.
589 (ix86_sol10_return_in_memory): Likewise.
590 (ix86_gimplify_va_arg): Likewise.
591 (function_arg_32): Don't warn ABX ABI change here.
592 (function_arg_64): Likewise.
594 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
596 * loop-iv.c (implies_p): In the final case, test that operands 0
597 of the two comparisons match.
599 * config/bfin/bfin.c (find_prev_insn_start): New function.
600 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
601 (find_next_insn_start): Move.
603 2009-02-13 Richard Guenther <rguenther@suse.de>
605 * configure.ac: Enable LFS.
606 * configure: Re-generate.
607 * config.in: Likewise.
609 2009-02-13 Joseph Myers <joseph@codesourcery.com>
612 * c-parser.c (c_parser_parms_list_declarator): Discard pending
613 sizes on syntax error after some arguments have been parsed.
615 2009-02-12 Jakub Jelinek <jakub@redhat.com>
617 * doc/invoke.texi (-fira): Remove.
619 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
621 * caller-save.c: Replace regclass.c with reginfo.c in comments.
625 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
627 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
628 (umul_ppmm): Likewise.
629 (count_leading_zeros): Likewise.
630 (count_trailing_zeros): Likewise.
631 (UMUL_TIME): Likewise.
633 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
635 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
636 soft-fp/t-softfp to tmake_file.
638 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
639 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
640 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
641 IA64_BUILTIN_INFQ]: New.
642 (ia64_init_builtins): Initialize __builtin_infq,
643 __builtin_fabsq and __builtin_copysignq if not HPUX.
644 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
645 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
647 * config/ia64/lib1funcs.asm (__divtf3): Define only if
649 (__fixtfti): Likewise.
650 (__fixunstfti): Likewise.
651 (__floattitf): Likewise.
653 * config/ia64/libgcc-glibc.ver: New.
654 * config/ia64/t-fprules-softfp: Likewise.
655 * config/ia64/sfp-machine.h: Likewise.
657 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
658 (LIBGCC2_TF_CEXT): Likewise.
660 (TARGET_INIT_LIBFUNCS): Likewise.
662 * config/ia64/t-glibc (SHLINB_MAPFILES):
663 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
665 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
667 * config/i386/i386.c (construct_container): Rewrite processing
668 BLKmode with X86_64_SSE_CLASS.
670 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
673 * config/i386/i386.md: Replace simplify_replace_rtx with
674 replace_rtx in the new peephole2.
676 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
678 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
679 loop unrolling do not happen at -O2.
681 2009-02-12 Michael Matz <matz@suse.de>
683 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
685 2009-02-12 Jakub Jelinek <jakub@redhat.com>
687 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
690 2009-02-12 Ben Elliston <bje@au.ibm.com>
692 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
693 patterns when updating the back chain. Missed in the 2009-02-10
696 2009-02-11 Janis Johnson <janis187@us.ibm.com>
698 * doc/extend.texi (Decimal Floating Types): Update identifier of
699 draft TR and list of missing support.
701 2009-02-11 Jakub Jelinek <jakub@redhat.com>
704 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
705 bit to variable length decl's flags, add it also to its
706 pointer replacement variable.
708 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
709 Jakub Jelinek <jakub@redhat.com>
712 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
713 (memory_blockage): New expander.
714 (*memory_blockage): New insn pattern.
715 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
716 instead of general blockage at the end of function prologue when
717 frame pointer is used to access red zone area. Do not emit blockage
718 when profiling, it is emitted in generic code.
719 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
720 function epilogue when frame pointer is used to access red zone area.
722 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
725 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
726 by arithmetic with memory operands.
727 * config/i386/predicates.md (commutative_operator): New.
729 2009-02-10 Janis Johnson <janis187@us.ibm.com>
731 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
734 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
736 * alias.h (record_alias_subset): Declare.
737 * alias.c (record_alias_subset): Make global.
739 2009-02-10 Nick Clifton <nickc@redhat.com>
741 * tree-parloops.c: Change license to GPLv3.
742 * ipa-struct-reorg.c: Change license to GPLv3.
743 * ipa-struct-reorg.h: Change license to GPLv3.
745 2009-02-10 Steve Ellcey <sje@cup.hp.com>
748 * c-decl.c (start_struct): Return NULL on error.
750 2009-02-10 Jakub Jelinek <jakub@redhat.com>
753 * cfgloopmanip.c (remove_path): Call remove_bbs after
754 cancel_loop_tree, not before it.
757 * function.h (struct function): Add has_local_explicit_reg_vars bit.
758 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
760 * tree-ssa-live.c (remove_unused_locals): Recompute
761 cfun->has_local_explicit_reg_vars.
762 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
763 copies or clearings if cfun->has_local_explicit_reg_vars.
765 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
768 * config/i386/i386.c (expand_prologue): Emit blockage at the end
769 of function prologue when frame pointer is used to access
772 2009-02-10 Richard Guenther <rguenther@suse.de>
775 * gimplify.c (gimple_regimplify_operands): Always look if
776 we need to create a temporary.
778 2009-02-10 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/39132
781 * tree-loop-distribution.c (todo): New global var.
782 (generate_memset_zero): Trigger TODO_rebuild_alias.
783 (tree_loop_distribution): Return todo.
785 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
788 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
789 (x86_64_reg_class_name): Removed.
790 (classify_argument): Return 0 if bytes > 32. Return 0 if the
791 first one isn't X86_64_SSE_CLASS or any other ones aren't
792 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
793 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
794 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
795 and 3 X86_64_SSEUP_CLASS.
796 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
797 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
799 2009-02-10 Ben Elliston <bje@au.ibm.com>
801 * config/rs6000/rs6000.md (allocate_stack): Always use an update
802 form instruction to update the stack back chain word, even if the
803 user has disabled the generation of update instructions.
804 (movdi_<mode>_update_stack): New.
805 (movsi_update_stack): Likewise.
806 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
807 always use an update form instruction to update the stack back
810 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
813 * graphite.c (if_region_set_false_region): After moving a region in
814 the false branch of a condition, remove the empty dummy basic block.
815 (gloog): Remove wrong fix for PR38953.
817 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
819 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
820 generation due to implicit sign extension.
822 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
825 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
826 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
828 2009-02-09 Richard Guenther <rguenther@suse.de>
831 * convert.c (convert_to_real): Disable (float)fn((double)x)
832 to fnf(x) conversion if errno differences may occur and
835 2009-02-07 Anatoly Sokolov <aesok@post.ru>
837 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
838 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
839 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
841 2009-02-06 Joseph Myers <joseph@codesourcery.com>
844 * c-common.c (handle_alias_attribute): Disallow attribute for
845 anything not a FUNCTION_DECL or VAR_DECL.
847 2009-02-06 Janis Johnson <janis187@us.ibm.com>
850 * real.c (do_compare): Special-case compare of zero against
853 2009-02-06 Joseph Myers <joseph@codesourcery.com>
856 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
857 as indicating flexible array members unless the field itself is
858 being declarared as the incomplete array.
860 2009-02-06 Jan Hubicka <jh@suse.cz>
862 PR tree-optimization/38844
863 * ipa-inline.c (try_inline): Stop inlining recursion when edge
866 2009-02-06 Richard Guenther <rguenther@suse.de>
869 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
870 fork because we may expand it as __gcov_fork.
872 2009-02-06 Nick Clifton <nickc@redhat.com>
874 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
876 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
878 PR tree-optimization/35659
879 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
880 vn_phi_eq): Shortcut if hashcode does not match.
881 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
883 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
884 and avoid iterative_hash_expr.
885 (FOR_EACH_VALUE_ID_IN_SET): New.
886 (value_id_compare): Remove.
887 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
888 sort expressions by value id.
890 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
893 * config/sh/predicates.md (general_movsrc_operand): Don't check
894 the subreg of system registers here.
896 2009-02-05 Jakub Jelinek <jakub@redhat.com>
899 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
902 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
904 PR rtl-optimization/39110
905 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
906 addresses, not aligned ones.
908 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
909 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/39100
912 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
913 comment says and add edges.
915 2009-02-05 Joseph Myers <joseph@codesourcery.com>
918 * c-common.c (handle_tls_model_attribute): Ignore attribute for
919 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
921 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
923 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
924 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
925 register_bb_in_sese, new_sese, free_sese): Moved.
926 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
927 outermost_loop_in_scop, build_scop_iteration_domain,
928 expand_scalar_variables_ssa_name, get_vdef_before_scop,
929 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
930 Use loop_in_sese_p instead of loop_in_scop_p.
931 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
932 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
933 (scopdet_basic_block_info): Fix bug in scop detection.
934 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
935 eq_loop_to_cloog_loop): Remove.
936 (nb_loops_around_loop_in_scop, nb_loop
937 ref_nb_loops): Moved here...
938 * graphite.h (ref_nb_loops): ... from here.
939 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
940 (loop_domain_dim, loop_iteration_vector_dim): Remove.
941 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
942 * testsuite/gcc.dg/graphite/scop-19.c: New
944 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
945 Hans-Peter Nilsson <hp@axis.com>
947 PR rtl-optimization/37889
948 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
949 Move offset handling from PLUS to before the switch. Use new
950 arguments when considering SYMBOL_REFs too.
951 (rtx_addr_can_trap_p): Pass dummy offset and size.
952 (enum may_trap_p_flags): Remove.
953 (may_trap_p_1): Pass size from MEM_SIZE.
955 PR rtl-optimization/38921
956 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
957 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
958 * rtlanal.c (may_trap_after_code_motion_p): Delete.
959 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
961 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
963 AVX Programming Reference (January, 2009)
964 * config/i386/sse.md (*vpclmulqdq): New.
966 2009-02-04 Jakub Jelinek <jakub@redhat.com>
968 PR tree-optimization/38977
969 PR gcov-profile/38292
970 * calls.c (special_function_p): Disregard __builtin_ prefix.
972 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
974 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
975 non-indexable addresses even before reload.
977 2009-02-03 Joseph Myers <joseph@codesourcery.com>
980 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
981 as having variable size. Do not give an error for unnamed
982 parameters with [*] declarators. Give a warning for type names
983 with [*] declarators and mark them as variable size.
984 * c-parser.c (c_parser_sizeof_expression): Do not give an error
985 for sizeof applied to [*] type names.
987 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
990 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
992 2009-02-03 Jakub Jelinek <jakub@redhat.com>
994 * gcc.c (process_command): Update copyright notice dates.
995 * gcov.c (print_version): Likewise.
996 * gcov-dump.c (print_version): Likewise.
997 * mips-tfile.c (main): Likewise.
998 * mips-tdump.c (main): Likewise.
1000 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1003 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1004 for composite type involving a zero-length array type.
1006 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1009 * function.c (match_asm_constraints_1): Skip over
1010 initial optional % in the constraint.
1013 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1014 supported, don't accept FIXED_CSTs.
1015 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1016 and _Sat is used without _Fract/_Accum. Set specs->type to
1017 integer_type_node for cts_fract/cts_accum if fixed point is not
1020 2009-02-02 Catherine Moore <clm@codesourcery.com>
1022 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1024 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1026 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1027 (ABI_HAS_64BIT_SYMBOLS): Use it.
1028 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1030 2009-02-02 Paul Brook <paul@codesourcery.com>
1032 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1034 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1037 * recog.h (asm_operand_ok): Add constraints argument.
1038 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1039 recurse on matching constraint.
1040 (check_asm_operands): Pass constraints as 3rd argument to
1041 asm_operand_ok. Don't look up matching constraint here.
1042 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1045 2009-02-02 Ben Elliston <bje@au.ibm.com>
1047 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1048 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1050 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1052 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1053 information. Remove some obsolete information. Reorganize.
1055 * config/pa/fptr.c: Revert license to GPL 2.
1056 * config/pa/milli64.S: Likewise.
1058 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1061 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1062 LIBRARY name in, instead of hard-coding it.
1063 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1064 extra target make frag to tmake_files according to EH model.
1065 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1066 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1067 frags that define makefile variable EH_MODEL appropriately.
1068 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1069 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1070 to "-sjlj" according to type of EH configured.
1071 (LIBGCC_SONAME): Concatenate it to shared library base name.
1072 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1073 to "_sjlj" according to type of EH configured.
1074 (LIBGCC_SONAME): Concatenate it to shared library base name.
1075 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1076 (SHLIB_LINK): Add missing semicolon to if-else construct.
1077 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1078 string value of "pe_dll" command-line option.
1079 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1080 (SHLIB_SONAME): Use it when overriding t-cygming default.
1081 (SHLIB_IMPLIB): Override t-cygming default.
1082 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1083 string value of "pe_dll" command-line option.
1085 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1088 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1089 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1091 2009-01-31 Richard Guenther <rguenther@suse.de>
1093 PR tree-optimization/38937
1094 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1095 computing the transitive closure.
1097 2009-01-30 Richard Guenther <rguenther@suse.de>
1099 PR tree-optimization/39041
1100 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1101 Propagate variable indices only if the types match for this stmt.
1103 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1106 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1107 inline but never defined.
1109 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1111 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1112 (*insv_h_di_reg_extimm): New insn.
1113 (*insv_l<mode>_reg_extimm): New insn.
1115 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1117 * config/picochip/picochip.c (flag_conserve_stack): set
1118 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1119 fconserve-stack. Reduce call-overhead used by inliner.
1121 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1124 * common.opt (flag_conserve_stack): Initialised to zero.
1126 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1129 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1130 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1133 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1135 * ira-color.c (allocno_reload_assign): Update comments.
1136 * regmove.c (regmove_optimize): Likewise.
1140 2009-01-29 Robert Millan <rmh@aybabtu.com>
1142 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1143 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1144 `MD_UNWIND_SUPPORT'.
1145 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1147 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1149 PR tree-optimization/39007
1150 * tree-loop-distribution.c (generate_builtin): Use
1151 recompute_dominator to compute the immediate dominator of the
1152 basic block just after the loop.
1154 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1156 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1157 (ASM_OUTPUT_DWARF_PCREL): Define.
1159 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1161 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1162 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1163 global. Modify entries about regmove and IRA.
1165 * ra-conflict.c: Remove the file.
1167 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1169 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1170 (pass_regclass_init): Rename to pass_reginfo_init.
1172 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1174 * toplev.h (flag_ira): Remove.
1176 * caller-save.c (setup_save_areas): Remove flag_ira.
1178 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1180 * global.c: Remove the file.
1182 * opts.c: (decode_options): Remove flag_ira.
1184 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1186 * regmove.c: Modify file description.
1187 (find_use_as_address, try_auto_increment): Define them only if
1188 AUTO_INC_DEC is defined.
1189 (replacement_quality, replace_in_call_usage, fixup_match_1,
1190 stable_and_no_regs_but_for_p): Remove.
1191 (reg_set_in_bb): Make it static.
1192 (regmove_optimize): Remove flag_ira and code which worked for
1195 * local-alloc.c: Remove the file.
1197 * common.opt (fira): Remove.
1199 * ira.c: Include except.h.
1200 (eliminable_regset): Move from global.c.
1201 (mark_elimination): Ditto. Remove flag_ira.
1202 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1203 equiv_mem_modified, validate_equiv_mem_from_store,
1204 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1205 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1206 no_equiv, recorded_label_ref): Move from local-alloc.c.
1207 (update_equiv_regs): Ditto. Make it static.
1208 (print_insn_chain, print_insn_chains): Move it from global.c.
1209 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1210 (build_insn_chain): Ditto. Make it static.
1211 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1212 Rename to init_live_subregs.
1213 (gate_ira): Remove flag_ira.
1215 * regclass.c: Rename reginfo.c. Change file description.
1216 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1217 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1218 (init_reg_sets_1): Remove code for evaluation of
1219 reg_class_superclasses and losing_caller_save_reg_set.
1220 (init_regs): Remove init_reg_autoinc.
1221 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1222 ok_for_base_p_nonstrict): Remove.
1223 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1224 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1225 corresponding entries.
1226 (dump_regclass, record_operand_costs, scan_one_insn,
1227 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1228 record_address_regs, auto_inc_dec_reg_p): Remove.
1229 (gt-regclass.h): Rename to gt-reginfo.h.
1231 * rtl.h (dump_global_regs, retry_global_alloc,
1232 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1234 * Makefile.in (RA_H): Remove.
1235 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1236 Rename regclass.o to reginfo.o.
1237 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1239 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1240 (GTFILES): Rename regclass.c to reginfo.c.
1242 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1243 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1245 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1246 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1248 (finish_spills): Ditto. Remove code for !flag_ira.
1250 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1253 * doc/invoke.texi (rtl debug options): Complete rewrite.
1254 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1256 * mode-switching.c (pass_mode_switching): Rename pass from
1257 "mode-sw" to "mode_sw".
1258 * except.c (pass_convert_to_eh_ranges): Rename pass from
1259 "eh-ranges" to "eh_ranges".
1260 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1264 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1265 Alexander Monakov <amonakov@ispras.ru>
1268 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1270 (move_exprs_to_boundary): Change return type and pass through
1271 should_move from move_op. Relax assert. Update usage ...
1272 (schedule_expr_on_boundary): ... here. Use should_move instead of
1274 (move_op_orig_expr_found): Indicate that insn was disconnected from
1276 (code_motion_process_successors): Do not call after_merge_succs
1277 callback if original expression was not found when traversing any of
1279 (code_motion_path_driver): Change return type. Update prototype.
1280 (move_op): Update comment. Add a new parameter (should_move). Update
1281 prototype. Set *should_move based on indication provided by
1282 move_op_orig_expr_found.
1284 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1286 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1287 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1288 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1289 * config/rs6000/rs6000.c (rs6000_override_options): Default
1290 avoid-indexed-addresses on for Power6, off for everything else.
1291 (avoiding_indexed_address_p): New function.
1292 (rs6000_legitimize_address): Use it.
1293 (rs6000_legitimate_address): Likewise.
1294 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1296 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1298 PR tree-optimization/38997
1299 * tree-loop-distribution.c (generate_memset_zero): Use
1300 POINTER_PLUS_EXPR for a pointer addition.
1302 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1304 * config/s390/s390.md (bswap<mode>2): New pattern added.
1306 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1308 * config/s390/s390.md (*tls_load_31): Added type attribute.
1310 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1312 * config/s390/s390.md: Fix a few comments.
1314 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1316 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1317 (*tm<mode>_full): Fixed z10prop attribute.
1318 (*tst<mode>_extimm): Fixed z10prop attribute.
1319 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1320 (*tstqiCCT_cconly): Fixed z10prop attribute.
1321 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1322 (*movsi_larl): Fixed z10prop attribute.
1323 (*movsi_zarch): Fixed z10prop attribute.
1324 (*movsi_eas): Fixed z10prop attribute.
1325 (*movhi): Fixed z10prop attribute.
1326 (*movqi): Fixed z10prop attribute.
1327 (*movstrictqi): Fixed z10prop attribute.
1328 (*mov<mode>): Fixed z10prop attribute.
1329 (*movcc): Fixed z10prop attribute.
1330 (*sethighpartdi_64): Fixed z10prop attribute.
1331 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1332 (*negdi2_sign_cc): Fixed z10prop attribute.
1333 (*negdi2_sign): Fixed z10prop attribute.
1334 (*absdi2_sign_cc): Fixed z10prop attribute.
1335 (*absdi2_sign): Fixed z10prop attribute.
1336 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1337 (*negabsdi2_sign): Fixed z10prop attribute.
1338 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1339 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1340 (doloop_si64): Fixed z10prop attribute.
1341 (doloop_si31): Fixed z10prop attribute.
1342 (doloop_long): Fixed z10prop attribute.
1343 (indirect_jump): Fixed z10prop attribute.
1344 (nop): Fixed z10prop attribute.
1345 (main_base_64): Fixed z10prop attribute.
1346 (reload_base_64): Fixed z10prop attribute.
1348 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1350 PR rtl-optimization/38740
1351 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1353 * config/mips/mips.c (mips_reorg): Likewise.
1355 2009-01-28 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/38926
1358 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1359 with the correct value id to a value.
1360 (do_regular_insertion): Use the value number of edoubleprime
1361 for the value number of the expr.
1364 2008-08-21 Richard Guenther <rguenther@suse.de>
1366 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1367 a PHI ask VN if it is already available.
1368 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1369 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1371 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1374 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1375 set to varying whenever max has TREE_OVERFLOW set, similarly
1376 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1378 2009-01-28 Richard Guenther <rguenther@suse.de>
1381 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1382 uninitialized aggregate uses in call arguments.
1384 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1386 PR tree-optimization/38984
1387 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1388 the nothing_id variable if -fno-delete-null-pointer-checks.
1390 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1393 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1394 (set_got_offset_rex64): Ditto.
1396 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1399 * doc/extend.texi: Improve local variable with asm reg.
1401 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1403 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1404 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1405 was not supplied then set warn_packed_bitfield_compat to the
1407 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1410 2009-01-27 Richard Guenther <rguenther@suse.de>
1412 PR tree-optimization/38503
1413 * cfgexpand.c (expand_gimple_basic_block): Ignore
1414 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1415 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1416 variables that cannot have TBAA applied.
1417 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1420 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1423 * calls.c (initialize_argument_information): Do not wrap complex
1424 arguments in SAVE_EXPR.
1426 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1428 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1429 (INSTALL_LIBGCC): Revert typo commit.
1431 2009-01-26 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/38745
1434 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1435 from special handling.
1437 2009-01-26 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/38745
1440 * tree-ssa.c (execute_update_addresses_taken): Do not include
1441 variables that cannot possibly be a register in not_reg_needs.
1442 Do not clear TREE_ADDRESSABLE on vars that may not become
1444 * tree-ssa.c (update_alias_info_1): Include those in the set
1445 of addressable vars.
1447 2009-01-26 Richard Guenther <rguenther@suse.de>
1450 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1451 * tree-ssa-dse.c: Include langhooks.h
1452 (execute_simple_dse): Remove stores with zero size.
1454 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1457 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1460 2009-01-24 Julian Brown <julian@codesourcery.com>
1462 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1463 config/arm/linux-atomic.c.
1464 * config/arm/linux-atomic.c: New.
1466 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1468 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1469 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1470 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1472 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1475 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1478 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1480 PR tree-optimization/38953
1481 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1482 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1483 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1484 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1487 2009-01-24 Paul Brook <paul@codesourcery.com>
1489 * config/arm/neon.md (neon_type): Move to arm.md.
1490 (neon_mov<VSTRUCT>): Add neon_type attribute.
1491 * config/arm/arm.md (neon_type): Move to here.
1492 (conds): Add "unconditioal" and use as default for NEON insns.
1494 2009-01-24 Ben Elliston <bje@au.ibm.com>
1496 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1497 void *' warning from -Wc++-compat.
1498 * Makefile.in (dominance.o-warn): Remove.
1500 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1502 PR tree-optimization/38932
1503 * fold-const.c (fold_unary_ignore_overflow): New.
1504 * tree.h (fold_unary_ignore_overflow): Declare.
1505 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1506 * tree-ssa-sccvn.c (visit_reference_op_load,
1507 simplify_unary_expression): Likewise.
1509 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1511 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1512 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1513 regardless of their type.
1514 * c-common.c (handle_packed_attribute): Don't ignore packed on
1516 * c.opt (Wpacked-bitfield-compat): New warning option.
1517 * stor-layout.c (place_field): Warn if offset of a field changed.
1518 * doc/extend.texi (packed): Mention the ABI change.
1519 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1520 (Warning Options): Add it to the list.
1522 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1524 * c-opts.c (c_common_post_options): Fix a typo in comments.
1526 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1529 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1530 variables to static.
1531 * doc/invoke.texi (-fmerge-all-constants): Update description.
1533 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1536 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1537 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1539 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1541 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1543 (LOCAL_ALIGNMENT): Similarly.
1545 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1546 Joseph Myers <joseph@codesourcery.com>
1548 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1549 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1550 * config/arm/arm-tune.md: Regenerate.
1551 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1554 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1556 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1557 version number to five.
1559 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1562 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1563 * c-common.c (set_underlying_type): Likewise.
1564 (is_typedef_decl ): Likewise
1566 (set_underlying_type): Likewise.
1567 (is_typedef_type): Likewise.
1569 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1572 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1575 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1578 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1579 (LIBGCC_SPEC): Don't define.
1580 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1582 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1584 PR rtl-optimization/38879
1585 * alias.c (base_alias_check): Unaligned access via AND address can
1586 alias all surrounding object types except those with sizes equal
1587 or wider than the size of unaligned access.
1589 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1592 * c-decl.c: (clone_underlying_type): Move this ...
1593 * c-common.c (set_underlying_type): ... here.
1594 Also, make sure the function properly sets TYPE_STUB_DECL() on
1595 the newly created typedef variant type.
1596 (is_typedef_decl ): New entry point.
1597 * tree.h: Added a new member member_types_needing_access_check to
1598 struct tree_decl_non_common.
1599 (set_underlying_type): New entry point.
1600 (is_typedef_type): Likewise.
1602 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1604 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1605 Check whether two instructions have memory references that
1606 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1607 are helper functions for traversing.
1608 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1609 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1610 not to draw dependency edge for instructions with non-conflicting
1613 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1616 * longlong.h: Update copyright years. Use soft-fp license notice.
1617 Sync __clz_tab declaration with glibc.
1619 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1622 * doc/extend.texi (syscall_linkage): New.
1623 (version_id): Modify.
1625 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1626 Richard Guenther <rguenther@suse.de>
1628 PR tree-optimization/38747
1629 PR tree-optimization/38748
1630 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1631 conversion if the base address is an indirect reference and the
1632 aliasing sets could cause issues.
1634 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1636 * common.opt (fgraphite, fgraphite-identity): Add comment for
1637 explaining why these options are not documented.
1639 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1641 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1642 gimple_call_lhs is NULL.
1644 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1647 * emit-rtl.c (adjust_address_1): Make sure memref is never
1650 2009-01-20 Ben Elliston <bje@au.ibm.com>
1652 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1653 const qualifier from arg parameter. Remove unnecessary cast to char *.
1654 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1655 const qualifier from arg 2.
1657 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1659 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1661 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1664 * rtl.h (reinit_regs): New prototype.
1665 * regclass.c: Include ira.h.
1667 * Makefile.in (regclass.o): Add ira.h.
1668 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1670 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1673 * c-common.c (handle_aligned_attribute): Use
1674 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1675 default alignment value.
1677 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1679 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1680 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1682 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1683 __BIGGEST_ALIGNMENT__.
1685 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1687 2009-01-18 Richard Guenther <rguenther@suse.de>
1689 PR tree-optimization/38819
1690 * tree-flow.h (operation_could_trap_helper_p): Declare.
1691 * tree-eh.c (operation_could_trap_helper_p): Export.
1692 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1693 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1694 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1695 are about to insert a possibly trapping instruction and fail
1698 2009-01-18 Andreas Schwab <schwab@suse.de>
1700 * doc/install.texi (Configuration): Remove obsolete paragraph
1701 about use of --with-gnu-ld with --with-gnu-as.
1703 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1705 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1706 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1707 Follow spelling conventions.
1709 2009-01-18 Ben Elliston <bje@au.ibm.com>
1711 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1712 C++ warning about implicit conversion from void * to struct
1714 (bitmap_obstack_free): Likewise for bitmap_element *.
1715 * Makefile.in (bitmap.o-warn): Remove.
1717 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1719 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1721 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1722 Tobias Grosser <tobi.grosser@amd.com>
1724 * graphite.c (graphite_trans_scop_block): Do not block single
1727 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1729 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1730 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1731 test with assertion.
1733 2009-01-16 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/38835
1737 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1738 and INT + PTR -> (INT)(PTR p+ INT) folding.
1739 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1741 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1744 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1745 the subreg from a lowpart subreg if it is also casting the value.
1747 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1748 Tobias Grosser <tobi.grosser@amd.com>
1750 * graphite.c (compare_prefix_loops): New.
1751 (build_scop_canonical_schedules): Rewritten.
1752 (graphite_transform_loops): Move build_scop_canonical_schedules
1753 after build_scop_iteration_domain.
1755 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1756 Tobias Grosser <tobi.grosser@amd.com>
1758 * graphite.c (add_conditions_to_domain): Add the loops to
1759 the dimension of the iteration domain. Do copy the domain
1760 only when it exists.
1761 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1762 (add_conditions_to_constraints): New.
1763 (can_generate_code_stmt, can_generate_code): Removed.
1764 (gloog): Do not call can_generate_code.
1765 (graphite_transform_loops): Call add_conditions_to_constraints
1766 after building the iteration domain.
1768 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1770 PR tree-optimization/38789
1771 * tree-ssa-threadedge.c
1772 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1773 __builtin_constant_p.
1775 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1777 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1778 examined before deleting them.
1780 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1782 * function.c (aggregate_value_p): Correctly extract the function
1783 type from CALL_EXPR_FN lookup.
1785 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1787 * config/picochip/picochip.c (picochip_override_options): Revert
1788 CFI asm flag disable commited previously.
1790 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1791 Tobias Grosser <tobi.grosser@amd.com>
1792 Jan Sjodin <jan.sjodin@amd.com>
1794 * graphite.c (scan_tree_for_params): On substractions negate
1795 all the coefficients of the term.
1796 (clast_to_gcc_expression_red): New. Handle reduction expressions
1797 of more than two operands.
1798 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1799 (get_vdef_before_scop): Handle also the case of default definitions.
1801 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1803 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1804 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1805 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1807 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1808 Joey Ye <joey.ye@intel.com>
1811 * cfgexpand.c (expand_stack_alignment): Don't update stack
1812 boundary nor check incoming stack boundary here.
1813 (gimple_expand_cfg): Update stack boundary and check incoming
1814 stack boundary here.
1816 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1818 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1820 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1822 PR rtl-optimization/38245
1823 * calls.c (expand_call): Add stack arguments to
1824 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1825 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1826 in regs and partially in memory or BLKmode arguments.
1827 (emit_library_call_value_1): Add stack arguments to
1828 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1829 ACCUMULATE_OUTGOING_ARGS).
1830 * dce.c: Include tm_p.h.
1831 (find_call_stack_args): New function.
1832 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1834 (mark_insn): Call find_call_stack_args for CALL_Ps.
1835 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1836 forwards. Allocate and free arg_stores bitmap if needed, pass it
1837 down to deletable_insn_p, don't mark stores set in arg_stores
1838 bitmap, clear the bitmap at the beginning of each bb.
1839 * Makefile.in (dce.o): Depend on $(TM_P_H).
1841 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1844 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1845 to make sure the insn is a conditional test (bug 22599). Reformat a
1848 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1851 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1852 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1853 (gloog): Do not call cleanup_tree_cfg.
1854 (graphite_transform_loops): Call cleanup_tree_cfg after all
1855 scops have been code generated.
1857 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1858 * doc/gty.texi (Invoking the garbage collector): Added new node
1859 and section documenting ggc_collect.
1861 2009-01-14 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/38826
1865 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1866 initialization notes only if we actually emitted a warning.
1867 (intra_create_variable_infos): Add constraints for a result decl
1868 that is passed by hidden reference.
1869 (build_pred_graph): Mark all related variables non-direct on
1872 2009-01-14 Nick Clifton <nickc@redhat.com>
1874 * ira-conflicts.c: Include addresses.h for the definition of
1876 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1877 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1879 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1882 * Makefile.in (ira-lives.o): Add except.h.
1884 * ira-lives.c: Include except.h.
1885 (process_bb_node_lives): Process can_throw_internal.
1887 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1889 PR rtl-optimization/38774
1890 * combine.c (simplify_set): When undoing cc_use change, don't do
1891 PUT_CODE on the newly created comparison, but instead put back the
1894 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1896 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1897 values. Remove duplicate arm8 entry.
1899 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1901 PR tree-optimization/38786
1902 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1903 the SSA_NAME case of expand_scalar_variables_expr.
1904 Set the type of an expression to the type of its assign statement.
1905 (expand_scalar_variables_expr): Also gather the scalar computation
1906 used to index the memory access. Do not pass loop_p.
1907 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1908 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1909 the gimple_stmt_iterator where it inserts new code.
1911 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1912 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1914 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1916 * graphite.h (debug_value): Removed.
1917 * graphite.c (debug_value): Removed.
1919 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1921 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1922 ldrd/strd with two 32-bit instructions.
1924 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1926 * config/arm/arm.c (struct processors): Pass for speed down into
1927 cost helper functions.
1928 (const_ok_for_op): Handle COMPARE and inequality nodes.
1929 (arm_rtx_costs_1): Rewrite.
1930 (arm_size_rtx_costs): Update prototype.
1931 (arm_rtx_costs): Pass speed down to helper functions.
1932 (arm_slowmul_rtx_costs): Rework cost calculations.
1933 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1934 (arm_9e_rtx_costs): Likewise.
1936 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1938 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1939 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1940 (alpha_legitimize_address): Do not split local symbols wider than
1941 UNITS_PER_WORD into HIGH/LO_SUM parts.
1943 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1946 * gcc.c (process_command): Replace call to execvp with calls
1947 to pex_one and exit.
1949 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1952 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1953 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1954 variant for devices with 3-byte PC.
1955 (__tablejump_elpm__) : New.
1957 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1960 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1961 offsetof member-designator, handle it as `[0].'.
1963 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1965 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1966 function when not using named sections on targets with named sections
1967 if branch distance is less than 262132.
1969 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1971 * combine.c (combine_instructions): Recompute
1972 optimize_this_for_speed_p for each BB in the main combine loop.
1974 2009-01-12 Tomas Bily <tbily@suse.cz>
1977 * tree-loop-distribution.c (prop_phis): New function.
1978 (generate_builtin): Call prop_phis.
1979 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1981 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1983 PR tree-optimization/38807
1984 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1985 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1987 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1989 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1990 subreg of op0 to the original op0.
1992 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1994 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1996 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1999 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2000 starting with digits.
2002 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2005 * config/arm/arm.c (arm_is_long_call_p): Don't call
2006 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2008 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2010 * regrename.c (regrename_optimize): Fix dumping.
2011 (find_oldest_value_reg): Preserve REG_POINTER.
2012 (copy_hardreg_forward_1): Likewise.
2014 2009-01-09 Diego Novillo <dnovillo@google.com>
2016 * gimple.h (struct gimple_statement_base) <uid>: Document
2017 the restrictions on its use.
2019 (gimple_set_uid): Tidy.
2021 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2023 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2024 zero guard even if align_bytes != 0 and count is smaller than
2027 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2029 PR rtl-optimization/38495
2030 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2031 (add_range_and_copies_from_move_list): Print all added ranges.
2032 Add ranges to memory optimized destination.
2034 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2038 * config/i386/i386.c (override_options): Reject
2039 -mstringop-strategy=rep_8byte with -m32.
2040 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2041 to 1. Do count comparison against epilogue_size_needed at compile
2042 time even when count_exp was constant forced into register. For
2043 size_needed don't jump to epilogue, instead just avoid aligning
2044 and invoke the body algorithm. If need_zero_guard, add zero guard
2045 even if count is non-zero, but smaller than size_needed + number of
2046 bytes that could be stored for alignment.
2047 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2048 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2049 but smaller than size_needed + number of bytes that could be stored
2050 for alignment. Compare size_needed with epilogue_size_needed instead
2051 of desired_align - align, don't adjust size_needed, pass
2052 epilogue_size_needed to the epilogue expanders.
2055 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2057 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2059 * pa.c (last_address): Change to unsigned.
2060 (update_total_code_bytes): Change argument to unsigned. Don't
2061 check if insn addresses are set.
2062 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2063 addresses are not set.
2064 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2066 2009-01-09 Nick Clifton <nickc@redhat.com>
2068 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2069 DECL_DECLARED_INLINE_P.
2071 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2074 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2075 GET_MODE (op0) in operand_subword_force calls.
2078 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2079 fold_convert arg0 operands to TREE_TYPE (op0) first.
2081 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2083 * params.def (ira-max-conflict-table-size): Decrease default value
2086 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2088 PR tree-optimization/37031
2089 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2091 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2092 allocate it using gc instead of heap, use VEC_quick_push instead of
2094 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2095 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2096 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2097 allocated vector from heap allocated.
2098 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2099 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2100 vector only after perfect_loop_nest_depth call.
2102 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2103 Jan Sjodin <jan.sjodin@amd.com>
2105 PR tree-optimization/38559
2106 * graphite.c (debug_value, copy_constraint,
2107 swap_constraint_variables, scale_constraint_variable, ): New.
2108 (get_lower_bound, get_upper_bound): Removed.
2109 (graphite_trans_bb_strip_mine): Clean up this code that works
2110 only for constant number of iterations. Fully copy upper and
2111 lower bound constraints, not only the constant part of them.
2112 * graphite.h (debug_value): Declared.
2114 2009-01-08 Ira Rosen <irar@il.ibm.com>
2116 PR tree-optimization/37194
2117 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2118 Don't add the cost of cost model guard in prologue to scalar
2119 outside cost in case of known number of iterations.
2121 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2122 Alan Modra <amodra@bigpond.net.au>
2124 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2125 non-word-aligned REG+CONST addressing.
2127 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2130 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2131 free_after_compilation when outputting a thunk.
2132 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2133 Do not call free_after_compilation here.
2135 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2137 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2138 (ix86_valid_target_attribute_inner_p): Ditto.
2140 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2142 PR tree-optimization/38492
2143 PR tree-optimization/38498
2144 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2145 * tree-chrec.h (scev_is_linear_expression): Declared.
2146 * graphite.c (graphite_cannot_represent_loop_niter): New.
2147 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2148 (graphite_loop_normal_form): Use gcc_assert.
2149 (scan_tree_for_params): Use CASE_CONVERT.
2150 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2151 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2152 Use gcc_assert. Discard scops that contain unhandled cases.
2153 (build_scop_conditions): Return a boolean status for unhandled cases.
2154 (strip_mine_profitable_p): Print the loop number, not its depth.
2155 (is_interchange_valid): Pass the depth of the loop nest, don't
2156 recompute it wrongly.
2157 (graphite_trans_bb_block): Same.
2158 (graphite_trans_bb_block): Print tentative of loop blocking.
2159 (graphite_trans_scop_block): Do not print that the loop has been
2161 (graphite_transform_loops): Do not handle scops that contain condition
2164 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2166 AVX Programming Reference (December, 2008)
2167 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2168 (_mm256_stream_pd): Likewise.
2169 (_mm256_stream_ps): Likewise.
2171 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2172 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2173 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2174 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2175 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2176 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2177 (ix86_expand_special_args_builtin): Likewise.
2179 * config/i386/sse.md (AVXMODEDI): New.
2180 (avx_movnt<mode>): Likewise.
2181 (avx_movnt<mode>): Likewise.
2182 (<sse>_movnt<mode>): Remove AVX support.
2183 (sse2_movntv2di): Likewise.
2185 2009-01-07 Richard Guenther <rguenther@suse.de>
2188 * fold-const.c (extract_muldiv): Remove obsolete comment.
2189 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2190 to PLUS_EXPR canonicalization for the canonicalization.
2192 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2194 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2195 hosted cross-compilers generating less efficient code.
2197 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2199 * function.h (rtl_data): Add a dbr_scheduled_p field.
2200 * reorg.c (dbr_schedule): Set it.
2201 (gate_handle_delay_slots): Check it.
2202 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2203 (mips_reorg): Check flag_delayed_branch instead of
2204 mips_base_delayed_branch.
2205 (mips_override_options): Don't set mips_base_delayed_branch
2206 or flag_delayed_branch.
2208 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2210 PR rtl-optimization/38426.
2211 * ira.c (ira): Set current_function_is_leaf earlier.
2213 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2215 PR rtl-optimization/38722
2216 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2217 too early, only set a flag and modify after last possible
2220 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2223 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2224 * real.c (decimal_single_format): Correct values of emin and emax.
2225 (decimal_double_format): Ditto.
2226 (decimal_quad_format): Ditto.
2227 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2228 computation of DECnn_MIN and DECnn_MAX for corrected values of
2229 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2230 __DECnn_MIN__, and adjust its computation for the corrected value
2233 2009-01-06 Jan Hubicka <jh@suse.cz>
2236 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2238 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2240 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2241 Add Robert Clark to the list of testers.
2243 2009-01-06 Jan Hubicka <jh@suse.cz>
2244 Kai Tietz <kai.tietz@onevision.com>
2246 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2247 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2249 2009-01-06 Jan Hubicka <jh@suse.cz>
2250 Kai Tietz <kai.tietz@onevision.com>
2252 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2254 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2255 (ix86_nsaved_regs): Count only general purpose regs.
2256 (ix86_nsaved_sseregs): New.
2257 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2258 to 16 for w64; compute padding and size of sse reg save area.
2259 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2260 general purpose regs.
2261 (ix86_emit_save_sse_regs_using_mov): New.
2262 (ix86_expand_prologue): Save SSE regs if needed.
2263 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2264 (ix86_emit_restore_sse_regs_using_mov): New.
2265 (ix86_expand_epilogue): Save SSE regs if needed.
2267 2009-01-06 Jan Hubicka <jh@suse.cz>
2268 Kai Tietz <kai.tietz@onevision.com>
2270 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2271 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2272 functions when accumulate outgoing args is off.
2274 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2277 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2278 before using pseudos_have_intersected_live_ranges_p.
2280 * ira-int.h (ira_assert): Always define.
2282 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2284 AVX Programming Reference (December, 2008)
2285 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2286 (_mm256_permute2_pd): Likewise.
2287 (_mm_permute2_ps): Likewise.
2288 (_mm256_permute2_ps): Likewise.
2289 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2290 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2292 * config/i386/i386.c (ix86_builtins): Remove
2293 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2294 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2295 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2296 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2297 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2298 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2299 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2300 __builtin_ia32_vpermil2ps256.
2301 (ix86_init_mmx_sse_builtins): Updated.
2302 (ix86_expand_args_builtin): Likewise.
2304 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2306 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2307 long absolute calls when generating PA 2.0 code.
2309 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2311 PR rtl-optimization/38583
2312 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2314 * params.def (ira-max-conflict-table-size): New.
2316 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2318 * ira.h (ira_conflicts_p): New external definition.
2320 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2321 table. Report this. Return result of building.
2322 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2323 building conflict table.
2325 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2326 (ira_color): Use ira_conflicts_p.
2328 * global.c: Include ira.h.
2329 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2332 * Makefile.in (global.o): Add ira.h.
2334 * ira-build.c (mark_all_loops_for_removal,
2335 propagate_some_info_from_allocno): New.
2336 (remove_unnecessary_allocnos): Call
2337 propagate_some_info_from_allocno.
2338 (remove_low_level_allocnos): New.
2339 (remove_unnecessary_regions): Add parameter. Call
2340 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2341 parameter to remove_unnecessary_regions.
2342 (ira_build): Remove all regions but root if the conflict table was
2343 not built. Update conflict hard regs for allocnos crossing calls.
2345 * ira.c (ira_conflicts_p): New global.
2346 (ira): Define and use ira_conflicts_p.
2348 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2349 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2350 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2352 2009-01-06 Ben Elliston <bje@au.ibm.com>
2354 * gengtype-lex.l (YY_NO_INPUT): Define.
2356 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2359 * c-common.c (handle_vector_size_attribute): Also reject
2362 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2364 PR tree-optimization/38492
2365 * graphite.c (rename_map_elt, debug_rename_elt,
2366 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2367 rename_map_elt_info, eq_rename_map_elts,
2368 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2369 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2370 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2371 (sese_build_livein_liveouts): New.
2372 (new_sese, free_sese): New.
2373 (new_scop): Call new_sese.
2374 (free_scop): Call free_sese.
2375 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2376 (register_old_new_names): Renamed register_old_and_new_names.
2377 (register_scop_liveout_renames, add_loop_exit_phis,
2378 insert_loop_close_phis, struct igp,
2379 default_liveout_before_guard, add_guard_exit_phis,
2380 insert_guard_phis, copy_renames): New.
2381 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2382 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2383 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2384 (scop_adjust_phis_for_liveouts): New.
2385 (gloog): Call scop_adjust_phis_for_liveouts.
2387 * graphite.h (struct sese): Documented. Added fields liveout,
2389 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2390 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2391 (struct scop): Added field liveout_renames.
2392 (SCOP_LIVEOUT_RENAMES): New.
2394 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2396 PR tree-optimization/38510
2397 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2398 (translate_clast): Call recompute_all_dominators before
2400 (gloog): Call recompute_all_dominators before graphite_verify.
2402 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2403 Jan Sjodin <jan.sjodin@amd.com>
2405 PR tree-optimization/38500
2406 * graphite.c (create_sese_edges): Call fix_loop_structure after
2409 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2411 * config.gcc: Add m32r*-*-rtems*.
2412 * config/m32r/rtems.h: New file.
2414 2009-01-05 Ben Elliston <bje@au.ibm.com>
2416 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2417 (.po.pox): Likewise.
2418 (po/gcc.pot): Likewise.
2420 2009-01-04 David S. Miller <davem@davemloft.net>
2422 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2423 (STARTING_FRAME_OFFSET): Always set to zero.
2425 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2427 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2428 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2429 fixed-point types, and vectors of the same.
2431 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2433 * config/mips/sync.md (*mb_barrier): Rename to...
2434 (*memory_barrier): ...this.
2436 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2438 * doc/extend.texi (Function Attributes): Move @cindex after @item
2439 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2440 and put in alphabetical order. Fix 'target' name and put in order.
2441 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2444 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2446 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2447 (memory_barrier): Expand as unspec instead of unspec_volatile.
2448 Remove mem:BLK from insn operands. Use Pmode scratch register.
2449 (*memory_barrier): Define as unspec instead of unspec_volatile.
2450 Use (match_dup 0) as input operand.
2452 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2453 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2454 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2455 scratch register. Remove operand 1.
2456 (*stbar): Define as unspec instead of unspec_volatile.
2457 Use (match_dup 0) as input operand, remove (const_int 8).
2458 (*membar): Define as unspec instead of unspec_volatile.
2459 Use (match_dup 0) as input operand, remove input operand 2.
2461 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2462 (memory_barrier): Expand as unspec instead of unspec_volatile.
2463 Remove mem:BLK from insn operands. Use Pmode scratch register.
2464 (*memory_barrier): Define as unspec instead of unspec_volatile.
2465 Use (match_dup 0) as input operand.
2467 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2468 Remove mem:BLK from insn operands. Use Pmode scratch register.
2469 Set volatile flag on operand 0.
2470 (*memory_barrier): New insn pattern.
2472 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2474 (*memory_barrier): Use (match_dup 0) as input operand.
2476 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2477 Remove mem:BLK from insn operands. Use Pmode scratch register.
2478 Set volatile flag on operand 0.
2479 (*mb_internal): New insn pattern.
2481 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2483 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2486 * function.c (struct temp_slot): Move to the section of the file
2487 that deals with temp slots. Remove field 'address'.
2488 (temp_slot_address_table): New hash table of address -> temp slot.
2489 (struct temp_slot_address_entry): New struct, items for the table.
2490 (temp_slot_address_compute_hash, temp_slot_address_hash,
2491 temp_slot_address_eq, insert_temp_slot_address): Support functions
2493 (find_temp_slot_from_address): Rewrite to use the new hash table.
2494 (remove_unused_temp_slot_addresses): Remove addresses of temp
2495 slots that have been made available.
2496 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2497 worker function for remove_unused_temp_slot_addresses.
2498 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2499 Add the temp slot address to the address -> temp slot map.
2500 (update_temp_slot_address): Update via insert_temp_slot_address.
2501 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2502 (pop_temp_slots): Likewise.
2503 (init_temp_slots): Allocate the address -> temp slot map, or empty
2504 the map if it is already allocated.
2505 (prepare_function_start): Initialize temp slot processing.
2507 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2510 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2511 Calculate the size of all stack vars assuming no packing of stack
2512 vars will happen, replacing a quadratic algorithm with a linear one.
2514 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2517 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2520 2009-01-03 Diego Novillo <dnovillo@google.com>
2522 * doc/contrib.texi: Update contributions.
2524 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2527 * builtins.c (fold_builtin_memory_op): Give up if either operand
2528 is volatile. Set srctype or desttype to non-qualified version
2532 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2535 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2537 PR rtl-optimization/35805
2538 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2539 problem if fast dce is able to remove any instructions.
2540 * dce.c (dce_process_block): Fix dump message.
2542 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2545 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2547 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2550 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2551 * tree-pretty-print.c (op_code_prio): New function.
2552 (op_prio): No longer static. Use op_code_prio.
2553 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2554 Use op_prio and op_code_prio to determine if () should be
2555 printed around operand(s) or not.
2557 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2558 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2559 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2560 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2561 pp_character instead of pp_string for single letter printing.
2563 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2565 * doc/extend.texi: Fix '#pragma GCC option' typo.
2567 2009-01-02 Richard Guenther <rguenther@suse.de>
2569 * doc/install.texi (--enable-checking): Mention different
2571 (--enable-stage1-checking): Document.
2573 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2576 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2577 case to be an error.
2579 2009-01-02 Ben Elliston <bje@au.ibm.com>
2581 * config/fp-bit.h (pack_d): Constify argument.
2582 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2583 (isnan): Constify argument.
2587 (_fpadd_parts): Constify return type.
2588 (_fpmul_parts): Likewise.
2589 (_fpdiv_parts): Likewise.
2591 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2594 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2595 warn about overwriting initializer with side-effects or
2596 -Woverride-init if !IMPLICIT.
2597 (output_init_element): Likewise. Pass IMPLICIT down to
2599 (process_init_element): Add IMPLICIT argument. Pass it down
2600 to output_init_element.
2601 (push_init_element, pop_init_level, set_designator): Adjust
2602 process_init_element callers.
2603 (set_nonincremental_init, set_nonincremental_init_from_string):
2604 Adjust add_pending_init callers.
2605 (output_pending_init_elements): Adjust output_init_element callers.
2606 * c-tree.h (process_init_element): Adjust prototype.
2607 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2608 process_init_element callers.