1 2009-03-02 Richard Guenther <rguenther@suse.de>
2 Ira Rosen <irar@il.ibm.com>
4 PR tree-optimization/39318
5 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
6 information to the vectorized statement.
8 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
10 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
11 variable. Use defined names instead of magic constants for REX SSE
14 2009-03-01 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/39331
17 * omp-low.c (lower_send_shared_vars): Do not receive new
18 values for the reference of DECL_BY_REFERENCE parms or results.
20 2009-03-01 Jan Hubicka <jh@suse.cz>
23 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
24 BLOCK_NONLOCALIZED_VAR): New macros.
25 (tree_block): Add nonlocalized_vars.
26 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
27 gen_decl_die): Add origin argument. Allow generation of die with
29 (gen_member_die, gen_type_die_with_usage, force_decl_die,
30 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
32 (gen_block_die): Fix checking for unused blocks.
33 (process_scope_var): Break out from .... ; work with origins only.
34 (decls_for_scope) ... here; process nonlocalized list.
35 (dwarf2out_ignore_block): Look for nonlocalized vars.
36 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
38 (dump_scope_block): Dump them.
39 * tree-inline.c (remap_decls): Handle nonlocalized vars.
40 (remap_block): Likewise.
41 (can_be_nonlocal): New predicate.
42 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
44 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
46 * configure: Regenerate.
48 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
50 * optc-gen.awk: No need to duplicate option flags twice.
51 Reuse help texts for duplicate options which do not have
54 * gcc.c (display_help): Document --version.
56 * gcc.c (main): If print_help_list and verbose_flag, ensure
57 driver output comes before subprocess output.
59 * optc-gen.awk: Assign all remaining fields to help string,
60 space-separated, for multi-line help in *.opt.
62 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
63 -Wno-pedantic-ms-format is for MinGW targets only.
65 * doc/options.texi (Option file format): Fix bad indentation,
66 restoring dropped sentence.
68 2009-02-28 Jan Hubicka <jh@suse.cz>
70 * tree-inline.c (tree_function_versioning): Output debug info.
72 2009-02-28 Jan Hubicka <jh@suse.cz>
75 * tree-inline.c (setup_one_parameter): Do not copy propagate
76 arguments when not optimizing.
78 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
81 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
82 (avx_addsubv4df3): Likewise.
83 (*avx_addsubv4sf3): Likewise.
84 (sse3_addsubv4sf3): Likewise.
85 (*avx_addsubv2df3): Likewise.
86 (sse3_addsubv2df3): Likewise.
87 (avx_unpckhps256): Correct item selectors.
88 (avx_unpcklps256): Likewise.
89 (avx_unpckhpd256): Likewise.
90 (avx_unpcklpd256): Likewise.
92 2009-02-28 Jan Hubicka <jh@suse.cz>
94 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
96 (copy_arguments_for_versioning): If var is declared don't declare it.
97 (tree_function_versioning): First setup substitutions and then copy
100 2009-02-27 Jan Hubicka <jh@suse.cz>
103 * cgraph.h (varpool_output_debug_info): Remove.
104 * cgraphunit.c (varpool_output_debug_info): Remove.
105 * dwarf2out.c (deferred_locations_struct): New struct
106 (deferred_locations): New type.
107 (deferred_locations_list): New static var.
108 (deffer_location): New function.
109 (gen_variable_die): Use it.
110 (decls_for_scope): Output info on local static vars.
111 (dwarf2out_finish): Process deferred locations.
112 * varpool.c (varpool_output_debug_info): Remove.
114 2009-02-27 Jan Hubicka <jh@suse.cz>
117 * tree.h (TREE_PROTECTED): Fix comment.
118 (BLOCK_HANDLER_BLOCK): Remove.
119 (struct tree_block): Remove handler_block add body_block.
120 (inlined_function_outer_scope_p): New.
121 (is_body_block): Remove.
122 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
123 * dwarf2out.c (is_inlined_entry_point): Remove.
124 (add_high_low_attributes): Use inlined_function_outer_scope_p.
125 (gen_block_die): Use is_inlined_entry_point check. Remove body block
127 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
128 * gimplify.c (gimplify_expr): Gimplify body blocks.
129 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
130 block with multiple subblocks.
131 (dump_scope_block): Prettier output; dump more flags and info.
132 (dump_scope_blocks): New.
133 (remove_unused_locals): Use dump_scope_blocks.
134 * tree-flow.h (dump_scope_blocks): Declare.
135 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
136 * stmt.c (is_body_block): Remove.
137 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
138 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
140 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
143 * graphite.c (graphite_loop_normal_form): Do not call
144 number_of_iterations_exit from a gcc_assert.
146 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
148 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
149 jumps if COND is NULL.
150 (find_cond_jump): New function.
151 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
152 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
154 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
156 * config/alpha/alpha.h (alpha_expand_mov): Return false if
157 force_const_mem returns NULL_RTX.
159 2009-02-26 Jan Hubicka <jh@suse.cz>
162 * cgraph.h (varpool_output_debug_info): Remove.
163 * cgraphunit.c (varpool_output_debug_info): Remove.
164 * dwarf2out.c (deferred_locations_struct): New struct
165 (deferred_locations): New type.
166 (deferred_locations_list): New static var.
167 (deffer_location): New function.
168 (gen_variable_die): Use it.
169 (decls_for_scope): Output info on local static vars.
170 (dwarf2out_finish): Process deferred locations.
171 * varpool.c (varpool_output_debug_info): Remove.
173 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
175 PR rtl-optimization/39241
176 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
177 to subreg_offset_representable_p.
179 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
181 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
182 execute function prototype. Get f and nregs from max_reg_num
183 and get_insns. Remove the first backward pass as it's dead,
184 guard the forward pass by flag_expensive_optimizations.
185 (rest_of_handle_regmove): Delete.
186 (pass_regmove): Replace it with regmove_optimize.
188 2009-02-25 Martin Jambor <mjambor@suse.cz>
190 PR tree-optimization/39259
191 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
192 alls_alloca function flags.
193 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
196 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
198 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
199 flags_set_1_rtx, flags_set_1_set): Delete.
200 (regmove_optimize): Do not call mark_flags_life_zones.
202 2009-02-24 Julian Brown <julian@codesourcery.com>
205 * config/arm/arm.c (require_pic_register): Only set
206 cfun->machine->pic_reg once per function.
208 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
210 * doc/invoke.texi (Link Options): Document an easier way to pass
211 options that take arguments to the GNU linker using -Xlinker and -Wl.
213 2009-02-24 Steve Ellcey <sje@cup.hp.com>
216 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
218 2009-02-24 Richard Guenther <rguenther@suse.de>
221 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
223 2009-02-24 Richard Guenther <rguenther@suse.de>
224 Zdenek Dvorak <ook@ucw.cz>
226 PR tree-optimization/39233
227 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
228 from converting them to a generic type.
230 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
232 PR tree-optimization/39260
233 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
234 contains a condition with a real type.
235 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
237 2009-02-23 Jason Merrill <jason@redhat.com>
240 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
241 narrowing_initializer_constant_valid_p.
242 (narrowing_initializer_constant_valid_p): Don't return
243 null_pointer_node for adding a pointer to itself.
245 2009-02-23 Jan Hubicka <jh@suse.cz>
248 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
251 2009-02-23 Jan Hubicka <jh@suse.cz>
253 PR tree-optimization/37709
254 * tree.c (block_ultimate_origin): Move here from dwarf2out.
255 * tree.h (block_ultimate_origin): Declare.
256 * dwarf2out.c (block_ultimate_origin): Move to tree.c
257 * tree-ssa-live.c (remove_unused_scope_block_p):
258 Eliminate blocks containig no instructions nor live variables nor
260 (dump_scope_block): New function.
261 (remove_unused_locals): Enable removal of dead blocks by default;
262 enable dumping at TDF_DETAILS.
264 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
266 * config/i386/i386.c (classify_argument): Don't allow COImode
268 (function_arg_advance_32): Don't allow OImode.
269 (function_arg_32): Likewise.
270 (function_value_32): Likewise.
271 (return_in_memory_32): Likewise.
272 (function_arg_64): Remove OImode comment.
274 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
277 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
278 ix86_expand_vector_set for V4DImode in 64bit mode only.
279 (ix86_expand_vector_init_one_var): Likewise.
281 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
283 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
285 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
288 * loop-iv.c: Revert last change.
289 * emit-rtl.c: Likewise.
291 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
294 * config/i386/i386.c (type_natural_mode): Remove an extra
295 space in the warning message.
296 (function_value_32): Handle 32-byte vector modes.
297 (return_in_memory_32): Likewise.
299 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
301 * loop-iv.c (truncate_value): New function.
302 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
304 (lowpart_subreg): Move to...
305 * emit-rtl.c: ...here.
307 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
309 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
310 accidental and undocumented change at revision 140860.
312 2009-02-21 Joseph Myers <joseph@codesourcery.com>
314 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
315 take gimple_seq * arguments.
316 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
317 types_compatible_p langhook.
319 2009-02-20 Mark Mitchell <mark@codesourcery.com>
320 Joseph Myers <joseph@codesourcery.com>
322 * config/arm/arm.c (arm_builtin_va_list): New function.
323 (arm_expand_builtin_va_start): Likewise.
324 (arm_gimplify_va_arg_expr): Likewise.
325 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
326 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
327 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
328 (va_list_type): New variable.
329 (arm_mangle_type): Mangle va_list_type appropriately.
331 2009-02-20 Jakub Jelinek <jakub@redhat.com>
334 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
335 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
336 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
337 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
338 parameter to 1000 for -O1 by default.
339 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
341 * loop-invariant.c: Include params.h.
342 (move_loop_invariants): Don't call move_single_loop_invariants on
345 2009-02-20 Jaka Mocnik <jaka@xlab.si>
347 * calls.c (emit_library_call_value_1): Use slot_offset instead of
348 offset when calculating bounds for indexing stack_usage_map. Fixes
349 a buffer overflow with certain target setups.
351 2009-02-20 Jakub Jelinek <jakub@redhat.com>
354 * calls.c (expand_call): Clear try_tail_call if caller and callee
355 disagree in promotion of function return value.
357 2009-02-19 Jakub Jelinek <jakub@redhat.com>
360 * c-common.c (c_determine_visibility): If visibility changed and
361 DECL_RTL has been already set, call make_decl_rtl to update symbol
364 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
367 * varasm.c (assemble_variable): Don't check DECL_NAME when
368 globalizing a variable.
370 2009-02-19 Joseph Myers <joseph@codesourcery.com>
373 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
374 expression before any __builtin_trap call.
375 * c-typeck.c (build_function_call): Convert and check function
376 arguments before generating a call to a trap. Evaluate the
377 function arguments before the trap.
379 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
382 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
383 (UNSPEC_FXAM_MEM): New unspec.
384 (fxam<mode>2_i387_with_temp): New insn and split pattern.
385 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
386 memory using fxam<mode>2_i387_with_temp to remove excess precision.
388 2009-02-19 Richard Guenther <rguenther@suse.de>
390 PR tree-optimization/39207
391 PR tree-optimization/39074
392 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
393 storedanything_tree): New.
394 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
395 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
396 (build_succ_graph): Add edges from STOREDANYTHING to all
398 (init_base_vars): Initialize STOREDANYTHING.
399 (compute_points_to_sets): Free substitution info after
400 building the succ graph.
401 (ipa_pta_execute): Likewise.
403 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
405 (do_ds_constraint): Do not add to special var or non-pointer
407 (type_could_have_pointers): Split out from ...
408 (could_have_pointers): ... here. For arrays use the element type.
409 (create_variable_info_for): Initialize may_have_pointers.
410 (new_var_info): Likewise.
411 (handle_lhs_call): Make the HEAP variable unknown-sized.
412 (intra_create_variable_infos): Use a type with pointers for
413 PARM_NOALIAS, make it unknown-sized.
415 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
418 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
420 2009-02-18 Jason Merrill <jason@redhat.com>
423 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
424 value if DECL_EXTERNAL.
425 * tree-sra.c (sra_walk_gimple_assign): Likewise.
426 * target.h (gcc_target::binds_local_p): Clarify "module".
427 * tree.h (TREE_PUBLIC): Clarify "module".
429 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
432 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
433 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
435 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
438 * c.opt (Wabi): Support C and ObjC.
441 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
443 * config/i386/i386.c (classify_argument): Warn once about the ABI
444 change when passing union with long double.
446 * doc/invoke.texi: Update -Wabi for warning psABI changes.
448 2009-02-18 Joseph Myers <joseph@codesourcery.com>
451 * c-parser.c (c_parser_compound_statement): Always enter and leave
454 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
457 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
459 2009-02-18 Jakub Jelinek <jakub@redhat.com>
461 PR tree-optimization/36922
462 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
463 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
466 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
468 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
471 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
473 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
475 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
477 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
480 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
481 Richard Sandiford <rdsandiford@googlemail.com>
483 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
484 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
485 (loongson_biadd): ...this.
487 2009-02-17 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/39202
490 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
491 a var make sure to follow existing collapses.
493 2009-02-17 Richard Guenther <rguenther@suse.de>
496 * langhooks.c (lhd_print_error_function): Check for NULL block.
498 2009-02-17 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/39204
501 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
504 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
506 * config/soft-fp/double.h: Update from glibc CVS.
508 2009-02-17 Richard Guenther <rguenther@suse.de>
510 PR tree-optimization/39207
511 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
512 strict-aliasing warnings for pointers pointing to NULL.
514 2009-02-16 Joseph Myers <joseph@codesourcery.com>
517 * c-parser.c (c_parser_braced_init): Call pop_init_level when
518 skipping until next close brace.
520 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
523 * config/i386/i386.c (ix86_expand_push): Set memory alignment
524 to function argument boundary.
526 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
528 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
529 in the lea_add. Reload eventually constraints it properly.
530 * config/picochip/constraints.md : Remove the target constraint
531 "b", since it is not needed anymore.
533 2009-02-16 Jakub Jelinek <jakub@redhat.com>
535 * gthr-dce.h: Uglify function parameter and local variable names.
536 * gthr-gnat.h: Likewise.
537 * gthr-mipssde.h: Likewise.
538 * gthr-nks.h: Likewise.
539 * gthr-posix95.h: Likewise.
540 * gthr-posix.h: Likewise.
541 * gthr-rtems.h: Likewise.
542 * gthr-single.h: Likewise.
543 * gthr-solaris.h: Likewise.
544 * gthr-tpf.h: Likewise.
545 * gthr-vxworks.h: Likewise.
546 * gthr-win32.h: Likewise.
548 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/i386.md: Restrict the new peephole2 to move
552 between MMX/SSE registers.
554 2009-02-15 Richard Guenther <rguenther@suse.de>
557 2009-02-13 Richard Guenther <rguenther@suse.de>
559 * configure.ac: Enable LFS.
560 * configure: Re-generate.
561 * config.in: Likewise.
563 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
565 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
566 spu_srqwbyte, spu_srqwbytebc): Define.
567 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
568 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
569 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
570 "shrqby_<mode>"): New insn-and-split patterns.
571 * config/spu/spu.c (expand_builtin_args): Determine and return
572 number of operands using spu_builtin_description data.
573 (spu_expand_builtin_1): Use it.
575 2009-02-13 Steve Ellcey <sje@cup.hp.com>
578 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
581 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
584 * config/i386/i386.c (override_options): Correct warning
585 messages for -malign-loops, -malign-jumps and -malign-functions.
587 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
590 * config/i386/i386.md: Restrict the new peephole2 to move
591 between the general purpose registers.
593 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
596 * config/i386/i386.c (type_natural_mode): Add a new argument.
597 Return the original mode and warn ABI change if vector size is 32byte.
598 (function_arg_advance): Updated.
599 (function_arg): Likewise.
600 (ix86_function_value): Likewise.
601 (ix86_return_in_memory): Likewise.
602 (ix86_sol10_return_in_memory): Likewise.
603 (ix86_gimplify_va_arg): Likewise.
604 (function_arg_32): Don't warn ABX ABI change here.
605 (function_arg_64): Likewise.
607 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
609 * loop-iv.c (implies_p): In the final case, test that operands 0
610 of the two comparisons match.
612 * config/bfin/bfin.c (find_prev_insn_start): New function.
613 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
614 (find_next_insn_start): Move.
616 2009-02-13 Richard Guenther <rguenther@suse.de>
618 * configure.ac: Enable LFS.
619 * configure: Re-generate.
620 * config.in: Likewise.
622 2009-02-13 Joseph Myers <joseph@codesourcery.com>
625 * c-parser.c (c_parser_parms_list_declarator): Discard pending
626 sizes on syntax error after some arguments have been parsed.
628 2009-02-12 Jakub Jelinek <jakub@redhat.com>
630 * doc/invoke.texi (-fira): Remove.
632 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
634 * caller-save.c: Replace regclass.c with reginfo.c in comments.
638 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
640 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
641 (umul_ppmm): Likewise.
642 (count_leading_zeros): Likewise.
643 (count_trailing_zeros): Likewise.
644 (UMUL_TIME): Likewise.
646 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
648 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
649 soft-fp/t-softfp to tmake_file.
651 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
652 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
653 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
654 IA64_BUILTIN_INFQ]: New.
655 (ia64_init_builtins): Initialize __builtin_infq,
656 __builtin_fabsq and __builtin_copysignq if not HPUX.
657 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
658 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
660 * config/ia64/lib1funcs.asm (__divtf3): Define only if
662 (__fixtfti): Likewise.
663 (__fixunstfti): Likewise.
664 (__floattitf): Likewise.
666 * config/ia64/libgcc-glibc.ver: New.
667 * config/ia64/t-fprules-softfp: Likewise.
668 * config/ia64/sfp-machine.h: Likewise.
670 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
671 (LIBGCC2_TF_CEXT): Likewise.
673 (TARGET_INIT_LIBFUNCS): Likewise.
675 * config/ia64/t-glibc (SHLINB_MAPFILES):
676 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
678 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
680 * config/i386/i386.c (construct_container): Rewrite processing
681 BLKmode with X86_64_SSE_CLASS.
683 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
686 * config/i386/i386.md: Replace simplify_replace_rtx with
687 replace_rtx in the new peephole2.
689 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
691 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
692 loop unrolling do not happen at -O2.
694 2009-02-12 Michael Matz <matz@suse.de>
696 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
698 2009-02-12 Jakub Jelinek <jakub@redhat.com>
700 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
703 2009-02-12 Ben Elliston <bje@au.ibm.com>
705 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
706 patterns when updating the back chain. Missed in the 2009-02-10
709 2009-02-11 Janis Johnson <janis187@us.ibm.com>
711 * doc/extend.texi (Decimal Floating Types): Update identifier of
712 draft TR and list of missing support.
714 2009-02-11 Jakub Jelinek <jakub@redhat.com>
717 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
718 bit to variable length decl's flags, add it also to its
719 pointer replacement variable.
721 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
722 Jakub Jelinek <jakub@redhat.com>
725 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
726 (memory_blockage): New expander.
727 (*memory_blockage): New insn pattern.
728 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
729 instead of general blockage at the end of function prologue when
730 frame pointer is used to access red zone area. Do not emit blockage
731 when profiling, it is emitted in generic code.
732 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
733 function epilogue when frame pointer is used to access red zone area.
735 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
738 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
739 by arithmetic with memory operands.
740 * config/i386/predicates.md (commutative_operator): New.
742 2009-02-10 Janis Johnson <janis187@us.ibm.com>
744 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
747 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
749 * alias.h (record_alias_subset): Declare.
750 * alias.c (record_alias_subset): Make global.
752 2009-02-10 Nick Clifton <nickc@redhat.com>
754 * tree-parloops.c: Change license to GPLv3.
755 * ipa-struct-reorg.c: Change license to GPLv3.
756 * ipa-struct-reorg.h: Change license to GPLv3.
758 2009-02-10 Steve Ellcey <sje@cup.hp.com>
761 * c-decl.c (start_struct): Return NULL on error.
763 2009-02-10 Jakub Jelinek <jakub@redhat.com>
766 * cfgloopmanip.c (remove_path): Call remove_bbs after
767 cancel_loop_tree, not before it.
770 * function.h (struct function): Add has_local_explicit_reg_vars bit.
771 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
773 * tree-ssa-live.c (remove_unused_locals): Recompute
774 cfun->has_local_explicit_reg_vars.
775 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
776 copies or clearings if cfun->has_local_explicit_reg_vars.
778 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
781 * config/i386/i386.c (expand_prologue): Emit blockage at the end
782 of function prologue when frame pointer is used to access
785 2009-02-10 Richard Guenther <rguenther@suse.de>
788 * gimplify.c (gimple_regimplify_operands): Always look if
789 we need to create a temporary.
791 2009-02-10 Richard Guenther <rguenther@suse.de>
793 PR tree-optimization/39132
794 * tree-loop-distribution.c (todo): New global var.
795 (generate_memset_zero): Trigger TODO_rebuild_alias.
796 (tree_loop_distribution): Return todo.
798 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
801 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
802 (x86_64_reg_class_name): Removed.
803 (classify_argument): Return 0 if bytes > 32. Return 0 if the
804 first one isn't X86_64_SSE_CLASS or any other ones aren't
805 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
806 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
807 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
808 and 3 X86_64_SSEUP_CLASS.
809 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
810 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
812 2009-02-10 Ben Elliston <bje@au.ibm.com>
814 * config/rs6000/rs6000.md (allocate_stack): Always use an update
815 form instruction to update the stack back chain word, even if the
816 user has disabled the generation of update instructions.
817 (movdi_<mode>_update_stack): New.
818 (movsi_update_stack): Likewise.
819 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
820 always use an update form instruction to update the stack back
823 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
826 * graphite.c (if_region_set_false_region): After moving a region in
827 the false branch of a condition, remove the empty dummy basic block.
828 (gloog): Remove wrong fix for PR38953.
830 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
832 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
833 generation due to implicit sign extension.
835 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
838 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
839 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
841 2009-02-09 Richard Guenther <rguenther@suse.de>
844 * convert.c (convert_to_real): Disable (float)fn((double)x)
845 to fnf(x) conversion if errno differences may occur and
848 2009-02-07 Anatoly Sokolov <aesok@post.ru>
850 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
851 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
852 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
854 2009-02-06 Joseph Myers <joseph@codesourcery.com>
857 * c-common.c (handle_alias_attribute): Disallow attribute for
858 anything not a FUNCTION_DECL or VAR_DECL.
860 2009-02-06 Janis Johnson <janis187@us.ibm.com>
863 * real.c (do_compare): Special-case compare of zero against
866 2009-02-06 Joseph Myers <joseph@codesourcery.com>
869 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
870 as indicating flexible array members unless the field itself is
871 being declarared as the incomplete array.
873 2009-02-06 Jan Hubicka <jh@suse.cz>
875 PR tree-optimization/38844
876 * ipa-inline.c (try_inline): Stop inlining recursion when edge
879 2009-02-06 Richard Guenther <rguenther@suse.de>
882 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
883 fork because we may expand it as __gcov_fork.
885 2009-02-06 Nick Clifton <nickc@redhat.com>
887 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
889 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
891 PR tree-optimization/35659
892 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
893 vn_phi_eq): Shortcut if hashcode does not match.
894 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
896 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
897 and avoid iterative_hash_expr.
898 (FOR_EACH_VALUE_ID_IN_SET): New.
899 (value_id_compare): Remove.
900 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
901 sort expressions by value id.
903 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
906 * config/sh/predicates.md (general_movsrc_operand): Don't check
907 the subreg of system registers here.
909 2009-02-05 Jakub Jelinek <jakub@redhat.com>
912 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
915 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
917 PR rtl-optimization/39110
918 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
919 addresses, not aligned ones.
921 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
922 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/39100
925 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
926 comment says and add edges.
928 2009-02-05 Joseph Myers <joseph@codesourcery.com>
931 * c-common.c (handle_tls_model_attribute): Ignore attribute for
932 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
934 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
936 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
937 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
938 register_bb_in_sese, new_sese, free_sese): Moved.
939 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
940 outermost_loop_in_scop, build_scop_iteration_domain,
941 expand_scalar_variables_ssa_name, get_vdef_before_scop,
942 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
943 Use loop_in_sese_p instead of loop_in_scop_p.
944 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
945 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
946 (scopdet_basic_block_info): Fix bug in scop detection.
947 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
948 eq_loop_to_cloog_loop): Remove.
949 (nb_loops_around_loop_in_scop, nb_loop
950 ref_nb_loops): Moved here...
951 * graphite.h (ref_nb_loops): ... from here.
952 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
953 (loop_domain_dim, loop_iteration_vector_dim): Remove.
954 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
955 * testsuite/gcc.dg/graphite/scop-19.c: New
957 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
958 Hans-Peter Nilsson <hp@axis.com>
960 PR rtl-optimization/37889
961 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
962 Move offset handling from PLUS to before the switch. Use new
963 arguments when considering SYMBOL_REFs too.
964 (rtx_addr_can_trap_p): Pass dummy offset and size.
965 (enum may_trap_p_flags): Remove.
966 (may_trap_p_1): Pass size from MEM_SIZE.
968 PR rtl-optimization/38921
969 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
970 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
971 * rtlanal.c (may_trap_after_code_motion_p): Delete.
972 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
974 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
976 AVX Programming Reference (January, 2009)
977 * config/i386/sse.md (*vpclmulqdq): New.
979 2009-02-04 Jakub Jelinek <jakub@redhat.com>
981 PR tree-optimization/38977
982 PR gcov-profile/38292
983 * calls.c (special_function_p): Disregard __builtin_ prefix.
985 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
987 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
988 non-indexable addresses even before reload.
990 2009-02-03 Joseph Myers <joseph@codesourcery.com>
993 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
994 as having variable size. Do not give an error for unnamed
995 parameters with [*] declarators. Give a warning for type names
996 with [*] declarators and mark them as variable size.
997 * c-parser.c (c_parser_sizeof_expression): Do not give an error
998 for sizeof applied to [*] type names.
1000 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1003 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1005 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1007 * gcc.c (process_command): Update copyright notice dates.
1008 * gcov.c (print_version): Likewise.
1009 * gcov-dump.c (print_version): Likewise.
1010 * mips-tfile.c (main): Likewise.
1011 * mips-tdump.c (main): Likewise.
1013 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1016 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1017 for composite type involving a zero-length array type.
1019 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1022 * function.c (match_asm_constraints_1): Skip over
1023 initial optional % in the constraint.
1026 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1027 supported, don't accept FIXED_CSTs.
1028 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1029 and _Sat is used without _Fract/_Accum. Set specs->type to
1030 integer_type_node for cts_fract/cts_accum if fixed point is not
1033 2009-02-02 Catherine Moore <clm@codesourcery.com>
1035 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1037 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1039 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1040 (ABI_HAS_64BIT_SYMBOLS): Use it.
1041 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1043 2009-02-02 Paul Brook <paul@codesourcery.com>
1045 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1047 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1050 * recog.h (asm_operand_ok): Add constraints argument.
1051 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1052 recurse on matching constraint.
1053 (check_asm_operands): Pass constraints as 3rd argument to
1054 asm_operand_ok. Don't look up matching constraint here.
1055 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1058 2009-02-02 Ben Elliston <bje@au.ibm.com>
1060 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1061 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1063 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1065 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1066 information. Remove some obsolete information. Reorganize.
1068 * config/pa/fptr.c: Revert license to GPL 2.
1069 * config/pa/milli64.S: Likewise.
1071 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1074 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1075 LIBRARY name in, instead of hard-coding it.
1076 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1077 extra target make frag to tmake_files according to EH model.
1078 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1079 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1080 frags that define makefile variable EH_MODEL appropriately.
1081 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1082 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1083 to "-sjlj" according to type of EH configured.
1084 (LIBGCC_SONAME): Concatenate it to shared library base name.
1085 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1086 to "_sjlj" according to type of EH configured.
1087 (LIBGCC_SONAME): Concatenate it to shared library base name.
1088 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1089 (SHLIB_LINK): Add missing semicolon to if-else construct.
1090 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1091 string value of "pe_dll" command-line option.
1092 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1093 (SHLIB_SONAME): Use it when overriding t-cygming default.
1094 (SHLIB_IMPLIB): Override t-cygming default.
1095 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1096 string value of "pe_dll" command-line option.
1098 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1101 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1102 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1104 2009-01-31 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/38937
1107 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1108 computing the transitive closure.
1110 2009-01-30 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/39041
1113 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1114 Propagate variable indices only if the types match for this stmt.
1116 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1119 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1120 inline but never defined.
1122 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1124 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1125 (*insv_h_di_reg_extimm): New insn.
1126 (*insv_l<mode>_reg_extimm): New insn.
1128 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1130 * config/picochip/picochip.c (flag_conserve_stack): set
1131 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1132 fconserve-stack. Reduce call-overhead used by inliner.
1134 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1137 * common.opt (flag_conserve_stack): Initialised to zero.
1139 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1142 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1143 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1146 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1148 * ira-color.c (allocno_reload_assign): Update comments.
1149 * regmove.c (regmove_optimize): Likewise.
1153 2009-01-29 Robert Millan <rmh@aybabtu.com>
1155 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1156 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1157 `MD_UNWIND_SUPPORT'.
1158 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1160 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1162 PR tree-optimization/39007
1163 * tree-loop-distribution.c (generate_builtin): Use
1164 recompute_dominator to compute the immediate dominator of the
1165 basic block just after the loop.
1167 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1169 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1170 (ASM_OUTPUT_DWARF_PCREL): Define.
1172 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1174 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1175 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1176 global. Modify entries about regmove and IRA.
1178 * ra-conflict.c: Remove the file.
1180 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1182 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1183 (pass_regclass_init): Rename to pass_reginfo_init.
1185 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1187 * toplev.h (flag_ira): Remove.
1189 * caller-save.c (setup_save_areas): Remove flag_ira.
1191 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1193 * global.c: Remove the file.
1195 * opts.c: (decode_options): Remove flag_ira.
1197 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1199 * regmove.c: Modify file description.
1200 (find_use_as_address, try_auto_increment): Define them only if
1201 AUTO_INC_DEC is defined.
1202 (replacement_quality, replace_in_call_usage, fixup_match_1,
1203 stable_and_no_regs_but_for_p): Remove.
1204 (reg_set_in_bb): Make it static.
1205 (regmove_optimize): Remove flag_ira and code which worked for
1208 * local-alloc.c: Remove the file.
1210 * common.opt (fira): Remove.
1212 * ira.c: Include except.h.
1213 (eliminable_regset): Move from global.c.
1214 (mark_elimination): Ditto. Remove flag_ira.
1215 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1216 equiv_mem_modified, validate_equiv_mem_from_store,
1217 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1218 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1219 no_equiv, recorded_label_ref): Move from local-alloc.c.
1220 (update_equiv_regs): Ditto. Make it static.
1221 (print_insn_chain, print_insn_chains): Move it from global.c.
1222 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1223 (build_insn_chain): Ditto. Make it static.
1224 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1225 Rename to init_live_subregs.
1226 (gate_ira): Remove flag_ira.
1228 * regclass.c: Rename reginfo.c. Change file description.
1229 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1230 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1231 (init_reg_sets_1): Remove code for evaluation of
1232 reg_class_superclasses and losing_caller_save_reg_set.
1233 (init_regs): Remove init_reg_autoinc.
1234 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1235 ok_for_base_p_nonstrict): Remove.
1236 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1237 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1238 corresponding entries.
1239 (dump_regclass, record_operand_costs, scan_one_insn,
1240 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1241 record_address_regs, auto_inc_dec_reg_p): Remove.
1242 (gt-regclass.h): Rename to gt-reginfo.h.
1244 * rtl.h (dump_global_regs, retry_global_alloc,
1245 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1247 * Makefile.in (RA_H): Remove.
1248 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1249 Rename regclass.o to reginfo.o.
1250 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1252 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1253 (GTFILES): Rename regclass.c to reginfo.c.
1255 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1256 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1258 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1259 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1261 (finish_spills): Ditto. Remove code for !flag_ira.
1263 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1266 * doc/invoke.texi (rtl debug options): Complete rewrite.
1267 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1269 * mode-switching.c (pass_mode_switching): Rename pass from
1270 "mode-sw" to "mode_sw".
1271 * except.c (pass_convert_to_eh_ranges): Rename pass from
1272 "eh-ranges" to "eh_ranges".
1273 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1277 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1278 Alexander Monakov <amonakov@ispras.ru>
1281 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1283 (move_exprs_to_boundary): Change return type and pass through
1284 should_move from move_op. Relax assert. Update usage ...
1285 (schedule_expr_on_boundary): ... here. Use should_move instead of
1287 (move_op_orig_expr_found): Indicate that insn was disconnected from
1289 (code_motion_process_successors): Do not call after_merge_succs
1290 callback if original expression was not found when traversing any of
1292 (code_motion_path_driver): Change return type. Update prototype.
1293 (move_op): Update comment. Add a new parameter (should_move). Update
1294 prototype. Set *should_move based on indication provided by
1295 move_op_orig_expr_found.
1297 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1299 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1300 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1301 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1302 * config/rs6000/rs6000.c (rs6000_override_options): Default
1303 avoid-indexed-addresses on for Power6, off for everything else.
1304 (avoiding_indexed_address_p): New function.
1305 (rs6000_legitimize_address): Use it.
1306 (rs6000_legitimate_address): Likewise.
1307 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1309 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1311 PR tree-optimization/38997
1312 * tree-loop-distribution.c (generate_memset_zero): Use
1313 POINTER_PLUS_EXPR for a pointer addition.
1315 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1317 * config/s390/s390.md (bswap<mode>2): New pattern added.
1319 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1321 * config/s390/s390.md (*tls_load_31): Added type attribute.
1323 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1325 * config/s390/s390.md: Fix a few comments.
1327 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1329 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1330 (*tm<mode>_full): Fixed z10prop attribute.
1331 (*tst<mode>_extimm): Fixed z10prop attribute.
1332 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1333 (*tstqiCCT_cconly): Fixed z10prop attribute.
1334 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1335 (*movsi_larl): Fixed z10prop attribute.
1336 (*movsi_zarch): Fixed z10prop attribute.
1337 (*movsi_eas): Fixed z10prop attribute.
1338 (*movhi): Fixed z10prop attribute.
1339 (*movqi): Fixed z10prop attribute.
1340 (*movstrictqi): Fixed z10prop attribute.
1341 (*mov<mode>): Fixed z10prop attribute.
1342 (*movcc): Fixed z10prop attribute.
1343 (*sethighpartdi_64): Fixed z10prop attribute.
1344 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1345 (*negdi2_sign_cc): Fixed z10prop attribute.
1346 (*negdi2_sign): Fixed z10prop attribute.
1347 (*absdi2_sign_cc): Fixed z10prop attribute.
1348 (*absdi2_sign): Fixed z10prop attribute.
1349 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1350 (*negabsdi2_sign): Fixed z10prop attribute.
1351 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1352 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1353 (doloop_si64): Fixed z10prop attribute.
1354 (doloop_si31): Fixed z10prop attribute.
1355 (doloop_long): Fixed z10prop attribute.
1356 (indirect_jump): Fixed z10prop attribute.
1357 (nop): Fixed z10prop attribute.
1358 (main_base_64): Fixed z10prop attribute.
1359 (reload_base_64): Fixed z10prop attribute.
1361 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1363 PR rtl-optimization/38740
1364 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1366 * config/mips/mips.c (mips_reorg): Likewise.
1368 2009-01-28 Richard Guenther <rguenther@suse.de>
1370 PR tree-optimization/38926
1371 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1372 with the correct value id to a value.
1373 (do_regular_insertion): Use the value number of edoubleprime
1374 for the value number of the expr.
1377 2008-08-21 Richard Guenther <rguenther@suse.de>
1379 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1380 a PHI ask VN if it is already available.
1381 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1382 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1384 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1387 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1388 set to varying whenever max has TREE_OVERFLOW set, similarly
1389 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1391 2009-01-28 Richard Guenther <rguenther@suse.de>
1394 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1395 uninitialized aggregate uses in call arguments.
1397 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1399 PR tree-optimization/38984
1400 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1401 the nothing_id variable if -fno-delete-null-pointer-checks.
1403 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1406 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1407 (set_got_offset_rex64): Ditto.
1409 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1412 * doc/extend.texi: Improve local variable with asm reg.
1414 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1416 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1417 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1418 was not supplied then set warn_packed_bitfield_compat to the
1420 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1423 2009-01-27 Richard Guenther <rguenther@suse.de>
1425 PR tree-optimization/38503
1426 * cfgexpand.c (expand_gimple_basic_block): Ignore
1427 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1428 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1429 variables that cannot have TBAA applied.
1430 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1433 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1436 * calls.c (initialize_argument_information): Do not wrap complex
1437 arguments in SAVE_EXPR.
1439 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1441 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1442 (INSTALL_LIBGCC): Revert typo commit.
1444 2009-01-26 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/38745
1447 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1448 from special handling.
1450 2009-01-26 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/38745
1453 * tree-ssa.c (execute_update_addresses_taken): Do not include
1454 variables that cannot possibly be a register in not_reg_needs.
1455 Do not clear TREE_ADDRESSABLE on vars that may not become
1457 * tree-ssa.c (update_alias_info_1): Include those in the set
1458 of addressable vars.
1460 2009-01-26 Richard Guenther <rguenther@suse.de>
1463 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1464 * tree-ssa-dse.c: Include langhooks.h
1465 (execute_simple_dse): Remove stores with zero size.
1467 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1470 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1473 2009-01-24 Julian Brown <julian@codesourcery.com>
1475 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1476 config/arm/linux-atomic.c.
1477 * config/arm/linux-atomic.c: New.
1479 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1481 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1482 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1483 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1485 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1488 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1491 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1493 PR tree-optimization/38953
1494 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1495 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1496 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1497 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1500 2009-01-24 Paul Brook <paul@codesourcery.com>
1502 * config/arm/neon.md (neon_type): Move to arm.md.
1503 (neon_mov<VSTRUCT>): Add neon_type attribute.
1504 * config/arm/arm.md (neon_type): Move to here.
1505 (conds): Add "unconditioal" and use as default for NEON insns.
1507 2009-01-24 Ben Elliston <bje@au.ibm.com>
1509 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1510 void *' warning from -Wc++-compat.
1511 * Makefile.in (dominance.o-warn): Remove.
1513 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1515 PR tree-optimization/38932
1516 * fold-const.c (fold_unary_ignore_overflow): New.
1517 * tree.h (fold_unary_ignore_overflow): Declare.
1518 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1519 * tree-ssa-sccvn.c (visit_reference_op_load,
1520 simplify_unary_expression): Likewise.
1522 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1524 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1525 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1526 regardless of their type.
1527 * c-common.c (handle_packed_attribute): Don't ignore packed on
1529 * c.opt (Wpacked-bitfield-compat): New warning option.
1530 * stor-layout.c (place_field): Warn if offset of a field changed.
1531 * doc/extend.texi (packed): Mention the ABI change.
1532 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1533 (Warning Options): Add it to the list.
1535 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1537 * c-opts.c (c_common_post_options): Fix a typo in comments.
1539 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1542 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1543 variables to static.
1544 * doc/invoke.texi (-fmerge-all-constants): Update description.
1546 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1549 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1550 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1552 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1554 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1556 (LOCAL_ALIGNMENT): Similarly.
1558 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1559 Joseph Myers <joseph@codesourcery.com>
1561 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1562 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1563 * config/arm/arm-tune.md: Regenerate.
1564 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1567 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1569 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1570 version number to five.
1572 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1575 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1576 * c-common.c (set_underlying_type): Likewise.
1577 (is_typedef_decl ): Likewise
1579 (set_underlying_type): Likewise.
1580 (is_typedef_type): Likewise.
1582 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1585 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1588 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1591 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1592 (LIBGCC_SPEC): Don't define.
1593 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1595 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1597 PR rtl-optimization/38879
1598 * alias.c (base_alias_check): Unaligned access via AND address can
1599 alias all surrounding object types except those with sizes equal
1600 or wider than the size of unaligned access.
1602 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1605 * c-decl.c: (clone_underlying_type): Move this ...
1606 * c-common.c (set_underlying_type): ... here.
1607 Also, make sure the function properly sets TYPE_STUB_DECL() on
1608 the newly created typedef variant type.
1609 (is_typedef_decl ): New entry point.
1610 * tree.h: Added a new member member_types_needing_access_check to
1611 struct tree_decl_non_common.
1612 (set_underlying_type): New entry point.
1613 (is_typedef_type): Likewise.
1615 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1617 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1618 Check whether two instructions have memory references that
1619 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1620 are helper functions for traversing.
1621 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1622 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1623 not to draw dependency edge for instructions with non-conflicting
1626 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1629 * longlong.h: Update copyright years. Use soft-fp license notice.
1630 Sync __clz_tab declaration with glibc.
1632 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1635 * doc/extend.texi (syscall_linkage): New.
1636 (version_id): Modify.
1638 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1639 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/38747
1642 PR tree-optimization/38748
1643 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1644 conversion if the base address is an indirect reference and the
1645 aliasing sets could cause issues.
1647 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1649 * common.opt (fgraphite, fgraphite-identity): Add comment for
1650 explaining why these options are not documented.
1652 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1654 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1655 gimple_call_lhs is NULL.
1657 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1660 * emit-rtl.c (adjust_address_1): Make sure memref is never
1663 2009-01-20 Ben Elliston <bje@au.ibm.com>
1665 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1666 const qualifier from arg parameter. Remove unnecessary cast to char *.
1667 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1668 const qualifier from arg 2.
1670 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1672 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1674 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1677 * rtl.h (reinit_regs): New prototype.
1678 * regclass.c: Include ira.h.
1680 * Makefile.in (regclass.o): Add ira.h.
1681 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1683 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1686 * c-common.c (handle_aligned_attribute): Use
1687 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1688 default alignment value.
1690 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1692 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1693 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1695 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1696 __BIGGEST_ALIGNMENT__.
1698 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1700 2009-01-18 Richard Guenther <rguenther@suse.de>
1702 PR tree-optimization/38819
1703 * tree-flow.h (operation_could_trap_helper_p): Declare.
1704 * tree-eh.c (operation_could_trap_helper_p): Export.
1705 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1706 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1707 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1708 are about to insert a possibly trapping instruction and fail
1711 2009-01-18 Andreas Schwab <schwab@suse.de>
1713 * doc/install.texi (Configuration): Remove obsolete paragraph
1714 about use of --with-gnu-ld with --with-gnu-as.
1716 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1718 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1719 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1720 Follow spelling conventions.
1722 2009-01-18 Ben Elliston <bje@au.ibm.com>
1724 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1725 C++ warning about implicit conversion from void * to struct
1727 (bitmap_obstack_free): Likewise for bitmap_element *.
1728 * Makefile.in (bitmap.o-warn): Remove.
1730 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1732 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1734 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1735 Tobias Grosser <tobi.grosser@amd.com>
1737 * graphite.c (graphite_trans_scop_block): Do not block single
1740 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1742 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1743 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1744 test with assertion.
1746 2009-01-16 Richard Guenther <rguenther@suse.de>
1748 PR tree-optimization/38835
1750 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1751 and INT + PTR -> (INT)(PTR p+ INT) folding.
1752 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1754 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1757 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1758 the subreg from a lowpart subreg if it is also casting the value.
1760 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1761 Tobias Grosser <tobi.grosser@amd.com>
1763 * graphite.c (compare_prefix_loops): New.
1764 (build_scop_canonical_schedules): Rewritten.
1765 (graphite_transform_loops): Move build_scop_canonical_schedules
1766 after build_scop_iteration_domain.
1768 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1769 Tobias Grosser <tobi.grosser@amd.com>
1771 * graphite.c (add_conditions_to_domain): Add the loops to
1772 the dimension of the iteration domain. Do copy the domain
1773 only when it exists.
1774 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1775 (add_conditions_to_constraints): New.
1776 (can_generate_code_stmt, can_generate_code): Removed.
1777 (gloog): Do not call can_generate_code.
1778 (graphite_transform_loops): Call add_conditions_to_constraints
1779 after building the iteration domain.
1781 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1783 PR tree-optimization/38789
1784 * tree-ssa-threadedge.c
1785 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1786 __builtin_constant_p.
1788 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1790 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1791 examined before deleting them.
1793 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1795 * function.c (aggregate_value_p): Correctly extract the function
1796 type from CALL_EXPR_FN lookup.
1798 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1800 * config/picochip/picochip.c (picochip_override_options): Revert
1801 CFI asm flag disable commited previously.
1803 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1804 Tobias Grosser <tobi.grosser@amd.com>
1805 Jan Sjodin <jan.sjodin@amd.com>
1807 * graphite.c (scan_tree_for_params): On substractions negate
1808 all the coefficients of the term.
1809 (clast_to_gcc_expression_red): New. Handle reduction expressions
1810 of more than two operands.
1811 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1812 (get_vdef_before_scop): Handle also the case of default definitions.
1814 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1816 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1817 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1818 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1820 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1821 Joey Ye <joey.ye@intel.com>
1824 * cfgexpand.c (expand_stack_alignment): Don't update stack
1825 boundary nor check incoming stack boundary here.
1826 (gimple_expand_cfg): Update stack boundary and check incoming
1827 stack boundary here.
1829 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1831 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1833 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1835 PR rtl-optimization/38245
1836 * calls.c (expand_call): Add stack arguments to
1837 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1838 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1839 in regs and partially in memory or BLKmode arguments.
1840 (emit_library_call_value_1): Add stack arguments to
1841 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1842 ACCUMULATE_OUTGOING_ARGS).
1843 * dce.c: Include tm_p.h.
1844 (find_call_stack_args): New function.
1845 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1847 (mark_insn): Call find_call_stack_args for CALL_Ps.
1848 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1849 forwards. Allocate and free arg_stores bitmap if needed, pass it
1850 down to deletable_insn_p, don't mark stores set in arg_stores
1851 bitmap, clear the bitmap at the beginning of each bb.
1852 * Makefile.in (dce.o): Depend on $(TM_P_H).
1854 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1857 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1858 to make sure the insn is a conditional test (bug 22599). Reformat a
1861 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1864 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1865 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1866 (gloog): Do not call cleanup_tree_cfg.
1867 (graphite_transform_loops): Call cleanup_tree_cfg after all
1868 scops have been code generated.
1870 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1871 * doc/gty.texi (Invoking the garbage collector): Added new node
1872 and section documenting ggc_collect.
1874 2009-01-14 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/38826
1878 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1879 initialization notes only if we actually emitted a warning.
1880 (intra_create_variable_infos): Add constraints for a result decl
1881 that is passed by hidden reference.
1882 (build_pred_graph): Mark all related variables non-direct on
1885 2009-01-14 Nick Clifton <nickc@redhat.com>
1887 * ira-conflicts.c: Include addresses.h for the definition of
1889 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1890 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1892 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1895 * Makefile.in (ira-lives.o): Add except.h.
1897 * ira-lives.c: Include except.h.
1898 (process_bb_node_lives): Process can_throw_internal.
1900 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1902 PR rtl-optimization/38774
1903 * combine.c (simplify_set): When undoing cc_use change, don't do
1904 PUT_CODE on the newly created comparison, but instead put back the
1907 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1909 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1910 values. Remove duplicate arm8 entry.
1912 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1914 PR tree-optimization/38786
1915 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1916 the SSA_NAME case of expand_scalar_variables_expr.
1917 Set the type of an expression to the type of its assign statement.
1918 (expand_scalar_variables_expr): Also gather the scalar computation
1919 used to index the memory access. Do not pass loop_p.
1920 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1921 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1922 the gimple_stmt_iterator where it inserts new code.
1924 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1925 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1927 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1929 * graphite.h (debug_value): Removed.
1930 * graphite.c (debug_value): Removed.
1932 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1934 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1935 ldrd/strd with two 32-bit instructions.
1937 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1939 * config/arm/arm.c (struct processors): Pass for speed down into
1940 cost helper functions.
1941 (const_ok_for_op): Handle COMPARE and inequality nodes.
1942 (arm_rtx_costs_1): Rewrite.
1943 (arm_size_rtx_costs): Update prototype.
1944 (arm_rtx_costs): Pass speed down to helper functions.
1945 (arm_slowmul_rtx_costs): Rework cost calculations.
1946 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1947 (arm_9e_rtx_costs): Likewise.
1949 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1951 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1952 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1953 (alpha_legitimize_address): Do not split local symbols wider than
1954 UNITS_PER_WORD into HIGH/LO_SUM parts.
1956 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1959 * gcc.c (process_command): Replace call to execvp with calls
1960 to pex_one and exit.
1962 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1965 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1966 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1967 variant for devices with 3-byte PC.
1968 (__tablejump_elpm__) : New.
1970 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1973 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1974 offsetof member-designator, handle it as `[0].'.
1976 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1978 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1979 function when not using named sections on targets with named sections
1980 if branch distance is less than 262132.
1982 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1984 * combine.c (combine_instructions): Recompute
1985 optimize_this_for_speed_p for each BB in the main combine loop.
1987 2009-01-12 Tomas Bily <tbily@suse.cz>
1990 * tree-loop-distribution.c (prop_phis): New function.
1991 (generate_builtin): Call prop_phis.
1992 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1994 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1996 PR tree-optimization/38807
1997 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1998 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2000 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2002 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2003 subreg of op0 to the original op0.
2005 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2007 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2009 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2012 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2013 starting with digits.
2015 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2018 * config/arm/arm.c (arm_is_long_call_p): Don't call
2019 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2021 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2023 * regrename.c (regrename_optimize): Fix dumping.
2024 (find_oldest_value_reg): Preserve REG_POINTER.
2025 (copy_hardreg_forward_1): Likewise.
2027 2009-01-09 Diego Novillo <dnovillo@google.com>
2029 * gimple.h (struct gimple_statement_base) <uid>: Document
2030 the restrictions on its use.
2032 (gimple_set_uid): Tidy.
2034 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2036 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2037 zero guard even if align_bytes != 0 and count is smaller than
2040 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2042 PR rtl-optimization/38495
2043 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2044 (add_range_and_copies_from_move_list): Print all added ranges.
2045 Add ranges to memory optimized destination.
2047 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2051 * config/i386/i386.c (override_options): Reject
2052 -mstringop-strategy=rep_8byte with -m32.
2053 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2054 to 1. Do count comparison against epilogue_size_needed at compile
2055 time even when count_exp was constant forced into register. For
2056 size_needed don't jump to epilogue, instead just avoid aligning
2057 and invoke the body algorithm. If need_zero_guard, add zero guard
2058 even if count is non-zero, but smaller than size_needed + number of
2059 bytes that could be stored for alignment.
2060 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2061 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2062 but smaller than size_needed + number of bytes that could be stored
2063 for alignment. Compare size_needed with epilogue_size_needed instead
2064 of desired_align - align, don't adjust size_needed, pass
2065 epilogue_size_needed to the epilogue expanders.
2068 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2070 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2072 * pa.c (last_address): Change to unsigned.
2073 (update_total_code_bytes): Change argument to unsigned. Don't
2074 check if insn addresses are set.
2075 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2076 addresses are not set.
2077 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2079 2009-01-09 Nick Clifton <nickc@redhat.com>
2081 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2082 DECL_DECLARED_INLINE_P.
2084 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2087 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2088 GET_MODE (op0) in operand_subword_force calls.
2091 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2092 fold_convert arg0 operands to TREE_TYPE (op0) first.
2094 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2096 * params.def (ira-max-conflict-table-size): Decrease default value
2099 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2101 PR tree-optimization/37031
2102 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2104 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2105 allocate it using gc instead of heap, use VEC_quick_push instead of
2107 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2108 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2109 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2110 allocated vector from heap allocated.
2111 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2112 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2113 vector only after perfect_loop_nest_depth call.
2115 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2116 Jan Sjodin <jan.sjodin@amd.com>
2118 PR tree-optimization/38559
2119 * graphite.c (debug_value, copy_constraint,
2120 swap_constraint_variables, scale_constraint_variable, ): New.
2121 (get_lower_bound, get_upper_bound): Removed.
2122 (graphite_trans_bb_strip_mine): Clean up this code that works
2123 only for constant number of iterations. Fully copy upper and
2124 lower bound constraints, not only the constant part of them.
2125 * graphite.h (debug_value): Declared.
2127 2009-01-08 Ira Rosen <irar@il.ibm.com>
2129 PR tree-optimization/37194
2130 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2131 Don't add the cost of cost model guard in prologue to scalar
2132 outside cost in case of known number of iterations.
2134 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2135 Alan Modra <amodra@bigpond.net.au>
2137 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2138 non-word-aligned REG+CONST addressing.
2140 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2143 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2144 free_after_compilation when outputting a thunk.
2145 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2146 Do not call free_after_compilation here.
2148 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2150 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2151 (ix86_valid_target_attribute_inner_p): Ditto.
2153 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2155 PR tree-optimization/38492
2156 PR tree-optimization/38498
2157 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2158 * tree-chrec.h (scev_is_linear_expression): Declared.
2159 * graphite.c (graphite_cannot_represent_loop_niter): New.
2160 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2161 (graphite_loop_normal_form): Use gcc_assert.
2162 (scan_tree_for_params): Use CASE_CONVERT.
2163 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2164 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2165 Use gcc_assert. Discard scops that contain unhandled cases.
2166 (build_scop_conditions): Return a boolean status for unhandled cases.
2167 (strip_mine_profitable_p): Print the loop number, not its depth.
2168 (is_interchange_valid): Pass the depth of the loop nest, don't
2169 recompute it wrongly.
2170 (graphite_trans_bb_block): Same.
2171 (graphite_trans_bb_block): Print tentative of loop blocking.
2172 (graphite_trans_scop_block): Do not print that the loop has been
2174 (graphite_transform_loops): Do not handle scops that contain condition
2177 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2179 AVX Programming Reference (December, 2008)
2180 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2181 (_mm256_stream_pd): Likewise.
2182 (_mm256_stream_ps): Likewise.
2184 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2185 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2186 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2187 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2188 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2189 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2190 (ix86_expand_special_args_builtin): Likewise.
2192 * config/i386/sse.md (AVXMODEDI): New.
2193 (avx_movnt<mode>): Likewise.
2194 (avx_movnt<mode>): Likewise.
2195 (<sse>_movnt<mode>): Remove AVX support.
2196 (sse2_movntv2di): Likewise.
2198 2009-01-07 Richard Guenther <rguenther@suse.de>
2201 * fold-const.c (extract_muldiv): Remove obsolete comment.
2202 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2203 to PLUS_EXPR canonicalization for the canonicalization.
2205 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2207 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2208 hosted cross-compilers generating less efficient code.
2210 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2212 * function.h (rtl_data): Add a dbr_scheduled_p field.
2213 * reorg.c (dbr_schedule): Set it.
2214 (gate_handle_delay_slots): Check it.
2215 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2216 (mips_reorg): Check flag_delayed_branch instead of
2217 mips_base_delayed_branch.
2218 (mips_override_options): Don't set mips_base_delayed_branch
2219 or flag_delayed_branch.
2221 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2223 PR rtl-optimization/38426.
2224 * ira.c (ira): Set current_function_is_leaf earlier.
2226 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2228 PR rtl-optimization/38722
2229 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2230 too early, only set a flag and modify after last possible
2233 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2236 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2237 * real.c (decimal_single_format): Correct values of emin and emax.
2238 (decimal_double_format): Ditto.
2239 (decimal_quad_format): Ditto.
2240 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2241 computation of DECnn_MIN and DECnn_MAX for corrected values of
2242 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2243 __DECnn_MIN__, and adjust its computation for the corrected value
2246 2009-01-06 Jan Hubicka <jh@suse.cz>
2249 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2251 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2253 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2254 Add Robert Clark to the list of testers.
2256 2009-01-06 Jan Hubicka <jh@suse.cz>
2257 Kai Tietz <kai.tietz@onevision.com>
2259 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2260 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2262 2009-01-06 Jan Hubicka <jh@suse.cz>
2263 Kai Tietz <kai.tietz@onevision.com>
2265 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2267 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2268 (ix86_nsaved_regs): Count only general purpose regs.
2269 (ix86_nsaved_sseregs): New.
2270 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2271 to 16 for w64; compute padding and size of sse reg save area.
2272 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2273 general purpose regs.
2274 (ix86_emit_save_sse_regs_using_mov): New.
2275 (ix86_expand_prologue): Save SSE regs if needed.
2276 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2277 (ix86_emit_restore_sse_regs_using_mov): New.
2278 (ix86_expand_epilogue): Save SSE regs if needed.
2280 2009-01-06 Jan Hubicka <jh@suse.cz>
2281 Kai Tietz <kai.tietz@onevision.com>
2283 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2284 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2285 functions when accumulate outgoing args is off.
2287 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2290 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2291 before using pseudos_have_intersected_live_ranges_p.
2293 * ira-int.h (ira_assert): Always define.
2295 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2297 AVX Programming Reference (December, 2008)
2298 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2299 (_mm256_permute2_pd): Likewise.
2300 (_mm_permute2_ps): Likewise.
2301 (_mm256_permute2_ps): Likewise.
2302 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2303 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2305 * config/i386/i386.c (ix86_builtins): Remove
2306 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2307 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2308 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2309 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2310 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2311 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2312 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2313 __builtin_ia32_vpermil2ps256.
2314 (ix86_init_mmx_sse_builtins): Updated.
2315 (ix86_expand_args_builtin): Likewise.
2317 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2319 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2320 long absolute calls when generating PA 2.0 code.
2322 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2324 PR rtl-optimization/38583
2325 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2327 * params.def (ira-max-conflict-table-size): New.
2329 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2331 * ira.h (ira_conflicts_p): New external definition.
2333 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2334 table. Report this. Return result of building.
2335 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2336 building conflict table.
2338 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2339 (ira_color): Use ira_conflicts_p.
2341 * global.c: Include ira.h.
2342 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2345 * Makefile.in (global.o): Add ira.h.
2347 * ira-build.c (mark_all_loops_for_removal,
2348 propagate_some_info_from_allocno): New.
2349 (remove_unnecessary_allocnos): Call
2350 propagate_some_info_from_allocno.
2351 (remove_low_level_allocnos): New.
2352 (remove_unnecessary_regions): Add parameter. Call
2353 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2354 parameter to remove_unnecessary_regions.
2355 (ira_build): Remove all regions but root if the conflict table was
2356 not built. Update conflict hard regs for allocnos crossing calls.
2358 * ira.c (ira_conflicts_p): New global.
2359 (ira): Define and use ira_conflicts_p.
2361 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2362 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2363 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2365 2009-01-06 Ben Elliston <bje@au.ibm.com>
2367 * gengtype-lex.l (YY_NO_INPUT): Define.
2369 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2372 * c-common.c (handle_vector_size_attribute): Also reject
2375 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2377 PR tree-optimization/38492
2378 * graphite.c (rename_map_elt, debug_rename_elt,
2379 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2380 rename_map_elt_info, eq_rename_map_elts,
2381 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2382 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2383 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2384 (sese_build_livein_liveouts): New.
2385 (new_sese, free_sese): New.
2386 (new_scop): Call new_sese.
2387 (free_scop): Call free_sese.
2388 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2389 (register_old_new_names): Renamed register_old_and_new_names.
2390 (register_scop_liveout_renames, add_loop_exit_phis,
2391 insert_loop_close_phis, struct igp,
2392 default_liveout_before_guard, add_guard_exit_phis,
2393 insert_guard_phis, copy_renames): New.
2394 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2395 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2396 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2397 (scop_adjust_phis_for_liveouts): New.
2398 (gloog): Call scop_adjust_phis_for_liveouts.
2400 * graphite.h (struct sese): Documented. Added fields liveout,
2402 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2403 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2404 (struct scop): Added field liveout_renames.
2405 (SCOP_LIVEOUT_RENAMES): New.
2407 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2409 PR tree-optimization/38510
2410 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2411 (translate_clast): Call recompute_all_dominators before
2413 (gloog): Call recompute_all_dominators before graphite_verify.
2415 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2416 Jan Sjodin <jan.sjodin@amd.com>
2418 PR tree-optimization/38500
2419 * graphite.c (create_sese_edges): Call fix_loop_structure after
2422 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2424 * config.gcc: Add m32r*-*-rtems*.
2425 * config/m32r/rtems.h: New file.
2427 2009-01-05 Ben Elliston <bje@au.ibm.com>
2429 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2430 (.po.pox): Likewise.
2431 (po/gcc.pot): Likewise.
2433 2009-01-04 David S. Miller <davem@davemloft.net>
2435 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2436 (STARTING_FRAME_OFFSET): Always set to zero.
2438 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2440 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2441 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2442 fixed-point types, and vectors of the same.
2444 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2446 * config/mips/sync.md (*mb_barrier): Rename to...
2447 (*memory_barrier): ...this.
2449 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2451 * doc/extend.texi (Function Attributes): Move @cindex after @item
2452 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2453 and put in alphabetical order. Fix 'target' name and put in order.
2454 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2457 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2459 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2460 (memory_barrier): Expand as unspec instead of unspec_volatile.
2461 Remove mem:BLK from insn operands. Use Pmode scratch register.
2462 (*memory_barrier): Define as unspec instead of unspec_volatile.
2463 Use (match_dup 0) as input operand.
2465 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2466 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2467 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2468 scratch register. Remove operand 1.
2469 (*stbar): Define as unspec instead of unspec_volatile.
2470 Use (match_dup 0) as input operand, remove (const_int 8).
2471 (*membar): Define as unspec instead of unspec_volatile.
2472 Use (match_dup 0) as input operand, remove input operand 2.
2474 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2475 (memory_barrier): Expand as unspec instead of unspec_volatile.
2476 Remove mem:BLK from insn operands. Use Pmode scratch register.
2477 (*memory_barrier): Define as unspec instead of unspec_volatile.
2478 Use (match_dup 0) as input operand.
2480 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2481 Remove mem:BLK from insn operands. Use Pmode scratch register.
2482 Set volatile flag on operand 0.
2483 (*memory_barrier): New insn pattern.
2485 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2487 (*memory_barrier): Use (match_dup 0) as input operand.
2489 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2490 Remove mem:BLK from insn operands. Use Pmode scratch register.
2491 Set volatile flag on operand 0.
2492 (*mb_internal): New insn pattern.
2494 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2496 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2499 * function.c (struct temp_slot): Move to the section of the file
2500 that deals with temp slots. Remove field 'address'.
2501 (temp_slot_address_table): New hash table of address -> temp slot.
2502 (struct temp_slot_address_entry): New struct, items for the table.
2503 (temp_slot_address_compute_hash, temp_slot_address_hash,
2504 temp_slot_address_eq, insert_temp_slot_address): Support functions
2506 (find_temp_slot_from_address): Rewrite to use the new hash table.
2507 (remove_unused_temp_slot_addresses): Remove addresses of temp
2508 slots that have been made available.
2509 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2510 worker function for remove_unused_temp_slot_addresses.
2511 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2512 Add the temp slot address to the address -> temp slot map.
2513 (update_temp_slot_address): Update via insert_temp_slot_address.
2514 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2515 (pop_temp_slots): Likewise.
2516 (init_temp_slots): Allocate the address -> temp slot map, or empty
2517 the map if it is already allocated.
2518 (prepare_function_start): Initialize temp slot processing.
2520 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2523 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2524 Calculate the size of all stack vars assuming no packing of stack
2525 vars will happen, replacing a quadratic algorithm with a linear one.
2527 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2530 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2533 2009-01-03 Diego Novillo <dnovillo@google.com>
2535 * doc/contrib.texi: Update contributions.
2537 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2540 * builtins.c (fold_builtin_memory_op): Give up if either operand
2541 is volatile. Set srctype or desttype to non-qualified version
2545 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2548 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2550 PR rtl-optimization/35805
2551 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2552 problem if fast dce is able to remove any instructions.
2553 * dce.c (dce_process_block): Fix dump message.
2555 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2558 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2560 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2563 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2564 * tree-pretty-print.c (op_code_prio): New function.
2565 (op_prio): No longer static. Use op_code_prio.
2566 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2567 Use op_prio and op_code_prio to determine if () should be
2568 printed around operand(s) or not.
2570 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2571 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2572 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2573 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2574 pp_character instead of pp_string for single letter printing.
2576 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2578 * doc/extend.texi: Fix '#pragma GCC option' typo.
2580 2009-01-02 Richard Guenther <rguenther@suse.de>
2582 * doc/install.texi (--enable-checking): Mention different
2584 (--enable-stage1-checking): Document.
2586 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2589 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2590 case to be an error.
2592 2009-01-02 Ben Elliston <bje@au.ibm.com>
2594 * config/fp-bit.h (pack_d): Constify argument.
2595 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2596 (isnan): Constify argument.
2600 (_fpadd_parts): Constify return type.
2601 (_fpmul_parts): Likewise.
2602 (_fpdiv_parts): Likewise.
2604 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2607 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2608 warn about overwriting initializer with side-effects or
2609 -Woverride-init if !IMPLICIT.
2610 (output_init_element): Likewise. Pass IMPLICIT down to
2612 (process_init_element): Add IMPLICIT argument. Pass it down
2613 to output_init_element.
2614 (push_init_element, pop_init_level, set_designator): Adjust
2615 process_init_element callers.
2616 (set_nonincremental_init, set_nonincremental_init_from_string):
2617 Adjust add_pending_init callers.
2618 (output_pending_init_elements): Adjust output_init_element callers.
2619 * c-tree.h (process_init_element): Adjust prototype.
2620 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2621 process_init_element callers.