1 2010-05-05 Jason Merrill <jason@redhat.com>
4 * c-common.c (handle_aligned_attribute): Respect
5 ATTR_FLAG_TYPE_IN_PLACE.
8 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
9 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
10 (TARGET_INITIALIZER): Use it.
11 * c-common.c (attribute_takes_identifier_p): Call it.
12 * c-common.h: Update prototype.
13 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
14 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
16 2010-05-05 Jakub Jelinek <jakub@redhat.com>
19 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
20 DW_ID_down_case for Fortran compilation units.
22 2010-05-05 Jan Hubicka <jh@suse.cz>
24 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
27 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
29 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
30 a variable-sized RESULT_DECL.
32 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
34 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
36 2010-05-05 Jason Merrill <jason@redhat.com>
39 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
41 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
43 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
44 Jakub Jelinek <jakub@redhat.com>
47 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
48 (dead_debug_init, dead_debug_finish): New functions.
49 (dead_debug_add, dead_debug_insert_before): Likewise.
50 (df_note_bb_compute): Initialize a dead_debug object, add dead
51 debug uses to it, insert debug bind insns before death insns,
52 reset debug insns that refer to pending uses at the end.
53 * rtl.h (make_debug_expr_from_rtl): New prototype.
54 * varasm.c (make_debug_expr_from_rtl): New function.
56 2010-05-05 Jan Hubicka <jh@suse.cz>
58 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
59 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
60 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
61 lto_varpool_encoder_encode_initializer_p,
62 lto_set_varpool_encoder_encode_initializer): New functions.
63 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
65 (input_varpool_node): Do not always set analyzed.
66 (input_cgraph_1): Return vector of cgraph nodes.
67 (input_varpool_1): Return vector of varpools.
68 (input_cgraph): Free the vectors.
69 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
70 output only initializers needed.
71 (lto_output): Only call output_cgraph.
72 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
73 * lto-section-out.c (lto_new_out_decl_state): Initialize
74 state->varpool_node_encoder.
75 * lto-streamer.h (lto_varpool_encoder_d): New.
76 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
77 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
78 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
79 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
80 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
82 (output_varpool, input_varpool): Remove declarations.
84 2010-05-05 Jan Hubicka <jh@suse.cz>
86 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
87 with body can prevail.
89 2010-05-05 Jan Hubicka <jh@suse.cz>
91 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
94 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
96 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
99 * gengtype.h (erro_at_line): Constify pos argument.
101 * gengtype.c: Include hashtab.h.
102 (enum gc_used): Document GC_MAYBE_POINTED_TO.
103 (error_at_line): Constify pos argument.
104 (do_typedef): Initialize p->opt field.
105 (get_file_gtfilename): Fix comment typo.
106 (struct walk_type_data): Constify line field.
107 (get_output_file_for_structure): New function.
108 (write_local_func_for_structure): Constify orig_s argument.
109 Use get_output_file_for_structure.
110 (write_func_for_structure): Use get_output_file_for_structure.
111 (INDENT): New define.
112 (dump_pair, dump_type, dump_type_list, dump_typekind)
113 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
114 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
116 (seen_types): New variable.
117 (main): New variable do_dump. Process "-d" command line option.
118 Call dump_everything if dump requested.
120 2010-05-05 Jakub Jelinek <jakub@redhat.com>
122 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
123 in a temporary instead of invoking the macro multiple times.
124 (track_expr_p): Likewise.
126 2010-05-04 Neil Vachharajani <nvachhar@google.com>
128 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
130 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
131 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
132 conditions for printing notes.
133 * common.opt (-Wcoverage-mismatch): Allow negative, default to
134 true, update documentation.
135 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
137 2010-05-04 Jakub Jelinek <jakub@redhat.com>
140 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
143 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
146 * config/i386/i386.md (sse_prologue_save): Add clobber CC
148 (*sse_prologue_save_insn1): Likewise.
149 (SSE prologue save splitter): Likewise.
151 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
153 * tree.c (free_lang_data_in_one_sizepos): New inline function.
154 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
155 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
156 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
157 all decls. Call it on DECL_FIELD_OFFSET of fields.
158 (find_decls_types_r): Follow DECL_VALUE_EXPR.
159 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
161 2010-05-04 Martin Jambor <mjambor@suse.cz>
163 * tree-sra.c (build_access_from_expr_1): The first parameter type
164 changed to simple tree.
165 (build_access_from_expr): Likewise, gsi parameter was eliminated.
166 (scan_assign_result): Renamed to assignment_mod_result, enum elements
168 (build_accesses_from_assign): Removed all parameters except for a
169 simple gimple statement. Now returns a simple bool.
170 (scan_function): All non-analysis parts moved to separate functions
171 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
172 parameters and updated both callers.
173 (sra_modify_expr): Removed parameter data.
174 (sra_modify_function_body): New function.
175 (perform_intra_sra): Call sra_modify_function_body to modify the
177 (replace_removed_params_ssa_names): Parameter data changed into
179 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
180 changed the parameter dont_convert to convert with the opposite
182 (sra_ipa_modify_assign): Parameter data changed into adjustments
183 vector, return value changed to bool.
184 (ipa_sra_modify_function_body): New function.
185 (sra_ipa_reset_debug_stmts): Updated a comment.
186 (modify_function): Use ipa_sra_modify_function_body to modify function
189 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
192 * alias.c (true_dependence): Handle the same VALUE in x and mem.
193 (canon_true_dependence): Likewise.
194 (write_dependence_p): Likewise.
196 2010-05-04 Jan Hubicka <jh@suse.cz>
198 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
199 * cgraphbuild.c: Include ipa-utils.h
200 (record_reference_ctx): New struct.
201 (record_reference): Simplify to work on initializers; not statements.
202 (mark_address, mark_load, mark_store): New.
203 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
205 (record_references_in_initializer): Update use of record_reference.
206 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
209 2010-05-04 Jan Hubicka <jh@suse.cz>
211 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
212 node will be removed anyway.
213 (lto_varpool_replace_node): Allow also unanalyzed nodes;
214 relink aliases of node into prevailing node.
215 * varpool.c (varpool_remove_node): Remove aliases properly;
216 when removing node, remove all its aliases too; remove DECL_INITIAL
217 of removed node; ggc_free the varpool node.
219 2010-05-04 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/43879
222 * tree-ssa-structalias.c (alias_get_name): Use
223 DECL_ASSEMBLER_NAME if available.
224 (create_function_info_for): Return the varinfo node.
225 (ipa_pta_execute): Associate same-body aliases and extra names
226 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
228 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
230 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
233 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
236 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
237 only if HONOR_REG_ALLOC_ORDER is not defined.
239 2010-05-04 Richard Guenther <rguenther@suse.de>
241 PR tree-optimization/43949
242 * tree-vrp.c (extract_range_from_binary_expr): Only handle
245 2010-04-26 Jason Merrill <jason@redhat.com>
247 * c.opt (-fstrict-enums): New.
248 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
250 2010-05-03 David Ung <davidu@mips.com>
251 James E. Wilson <wilson@codesourcery.com>
253 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
254 emit the trap instruction before the divide for TUNE_74K.
256 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
258 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
259 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
260 based on the above, for new target hook.
262 * hooks.c (hook_bool_mode_true): New generic hook.
263 * hooks.h (hook_bool_mode_true): Add prototype.
265 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
267 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
268 target hook, set to hook_bool_mode_false.
269 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
270 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
271 with targetm.small_register_classes_for_mode_p.
272 (find_reusable_reload): Likewise.
273 (combine_reloads): Likewise.
274 * reload1.c (reload_as_needed): Likewise.
275 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
276 * ifcvt.c (noce_process_if_block, check_cond_move_block,
277 dead_or_predicable): Likewise.
278 * regmove.c (optimize_reg_copy_1): Likewise.
279 * calls.c (prepare_call_address): Likewise.
280 (precompute_register_parameters): Likewise.
282 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
284 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
285 implementation of the hook that considers all register classes
286 small except for SH64.
287 (sh_override_options): Use the new hook.
288 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
291 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
293 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
294 implementation of the hook that considers all register classes
296 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
299 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
301 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
302 implementation of the hook that considers all register classes
304 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
307 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
309 * config/m32c/m32c.h: Likewise.
310 * config/pdp11/pdp11.h: Likewise.
311 * config/avr/avr.h: Likewise.
312 * config/xtensa/xtensa.h: Likewise.
313 * config/m68hc11/m68hc11.h: Likewise.
314 * config/mn10300/mn10300.h: Likewise.
315 * config/mcore/mcore.h: Likewise.
316 * config/h8300/h8300.h: Likewise.
317 * config/bfin/bfin.h: Likewise.
319 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
320 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
322 2010-05-03 Anatoly Sokolov <aesok@post.ru>
324 * double-int.h (tree_to_double_int): Remove macro.
325 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
326 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
327 (tree_to_double_int): New function.
328 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
330 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
332 2010-05-03 Richard Guenther <rguenther@suse.de>
334 PR tree-optimization/43971
335 * tree-ssa-structalias.c (get_constraint_for_1): Fix
336 constraints in the !flag_delete_null_pointer_checks case.
338 2010-05-03 Jakub Jelinek <jakub@redhat.com>
341 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
342 result mode matches original rtl mode.
344 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
347 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
349 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
351 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
352 when processing flag options.
354 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
356 * gcov-iov.c (main): Change format string placeholder
357 from %#08x to 0x%08x.
358 * genchecksum.c (dosum): Change format string placeholder
359 from %#02x to 0x%02x.
361 2010-05-02 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/43879
364 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
366 2010-05-02 Bruno Haible <bruno@clisp.org>
368 * doc/extend.texi (Function Attributes): Fix a typo.
370 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
373 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
374 placeholder from 0x%x to %#x.
375 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
376 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
377 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
378 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
379 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
380 * config/i386/i386.c (ix86_target_string): Ditto.
381 * config/i386/i386.c (output_pic_addr_const): Ditto.
382 (print_operand): Ditto.
384 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
386 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
387 placeholder from 0x%x to %#x.
388 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
389 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
390 (ASM_OUTPUT_DEBUG_DATA): Ditto.
391 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
392 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
393 * optc-gen.awk: Ditto.
394 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
395 (HOST_WIDE_INT_PRINT_HEX): Ditto.
396 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
397 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
399 2010-05-01 Anatoly Sokolov <aesok@post.ru>
401 * target.h (struct calls): Add function_value_regno_p field.
402 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
403 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
404 * targhooks.c (default_function_value_regno_p): New function.
405 * targhooks.h (default_function_value_regno_p): Declare function.
406 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
407 * builtins.c. (apply_result_size): (Ditto.).
408 * combine.c. (likely_spilled_retval_p): (Ditto.).
409 * mode-switching.c. Include 'target.h'.
410 (create_pre_exit): Use function_value_regno_p hook.
411 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
412 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
413 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
415 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
416 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
417 (ix86_function_value_regno_p): Declare as static, change argument
418 type to const unsigned int.
419 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
421 2010-05-01 Richard Guenther <rguenther@suse.de>
423 PR tree-optimization/43949
424 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
426 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
428 2010-05-01 Anatoly Sokolov <aesok@post.ru>
430 * rtl.h (CONST_DOUBLE_P): Define.
431 (rtx_to_double_int): Declare.
432 * emit-rtl.c (rtx_to_double_int): New function.
433 * dwarf2out.c (insert_double): New function.
434 (loc_descriptor, add_const_value_attribute): Clean up, use
435 rtx_to_double_int and insert_double functions.
437 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
439 * doc/extend.texi (Inline): Add missing return keyword to examples.
440 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
443 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
445 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
446 the variable part of the offset as well. Use highest_pow2_factor for
447 all alignment checks.
449 2010-04-30 Richard Guenther <rguenther@suse.de>
451 PR tree-optimization/43879
452 * tree-ssa-structalias.c (type_could_have_pointers): Functions
455 2010-04-30 Jan Hubicka <jh@suse.cz>
457 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
459 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
461 2010-04-30 Jan Hubicka <jh@suse.cz>
463 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
465 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
466 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
467 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
468 cgraph_node_set_needs_ltrans_p): Remove.
470 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
472 * sdbout.c: Include vec.h, do not include varray.h.
473 (deferred_global_decls, sdbout_global_decl,
474 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
475 * toplev.c: Do not include varray.h.
476 (dump_memory_report): Do not dump VARRAY statistics.
477 * gengtype.c (open_base_file): Ignore varray.h.
478 * Makefile.in: Update for abovementioned changes.
479 Remove all traces of varray.c and varray.h.
480 * varray.c: Remove file.
481 * varray.h: Remove file.
483 2010-04-30 Jan Hubicka <jh@suse.cz>
485 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
488 2010-04-30 Jan Hubicka <jh@suse.cz>
490 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
493 2010-04-30 Richard Guenther <rguenther@suse.de>
495 * tree-ssa-structalias.c (get_constraint_for_1): Generate
496 constraints for CONSTRUCTOR.
498 2010-04-30 Richard Guenther <rguenther@suse.de>
501 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
502 first after all lowering passes.
504 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
506 * toplev.c: Include varray.h for statistics dumping.
507 * tree.h: Do not declare varray_head_tag.
508 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
509 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
510 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
511 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
512 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
513 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
514 c-common.c, c-common.h, reg-stack.c, basic-block.h,
515 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
517 * Makefile.in: Update for abovementioned changes.
519 2010-04-30 Jakub Jelinek <jakub@redhat.com>
522 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
524 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
526 * config/picochip/picochip.c (picochip_legitimize_address): Define.
527 Use this function to do machine-specific conversion.
528 (picochip_legitimize_reload_address): Likewise.
529 (picochip_legitimate_address_p): Check valid base register only if
531 (picochip_check_conditional_copy): Check for modw only if opnd is
533 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
534 to call the function in c.
535 * config/picochip/picochip-protos.h
536 (picochip_legitimize_reload_address): Define.
537 * config/picochip/picochip.md (supported_compare1): Define.
539 2010-04-30 Jan Hubicka <jh@suse.cz>
541 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
542 (cgraph_global_info): Remove inlined.
543 (LTO_cgraph_tag_names): Remove.
544 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
545 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
546 simplify cgraph tags and document.
547 (lto_output_node): Use only LTO_cgraph_unavail_node and
548 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
549 for_functions_valid, global info, process and output flags.
550 (input_overwrite_node): Initialize estimated stack size and
551 estimated growth. Do not read flags we no longer store.
552 (input_node): Likewise do not read info no longer stored.
553 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
556 2010-04-30 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/43879
559 * tree-ssa-structalias.c (get_constraint_for_1): Properly
560 handle non-zero initializers.
562 2010-04-30 Richard Guenther <rguenther@suse.de>
564 * builtins.c (fold_builtin_1): Delete free (0).
566 2010-04-29 Jan Hubicka <jh@suse.cz>
568 * gengtype.c (open_base_files): Add lto-streamer.h
569 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
570 (pass_ipa_cp): GGC collect.
571 * toplev. (compile_file): Do not output symbols.
572 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
573 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
574 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
575 * lto-section-in.c: Include ggc.h
576 (lto_new_in_decl_state): Alloc in GGC.
577 (lto_delete_in_decl_state): Likewise.
578 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
581 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
584 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
585 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
586 (HONOR_REG_ALLOC_ORDER): Describe new macro.
587 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
588 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
589 account only if HONOR_REG_ALLOC_ORDER is not defined.
590 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
591 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
593 2010-04-29 Jon Grant <04@jguk.org>
595 * collect2.c (vflag): Change type from int to bool.
597 (helpflag): New global bool.
598 (main): Set vflag and debug with boolean, not integer truth values.
599 Accept new "--help" option and output usage text if found.
600 * collect2.h (vflag): Update prototype.
603 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
606 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
608 2010-04-29 Richard Guenther <rguenther@suse.de>
611 * plugin.h (invoke_plugin_callbacks): Annotate arguments
612 with ATTRIBUTE_UNUSED.
614 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
617 * config/i386/i386.c (get_some_local_dynamic_name): Replace
618 INSN_P with NONDEBUG_INSN_P.
619 (distance_non_agu_define): Likewise.
620 (distance_agu_use): Likewise.
622 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
624 From Dominique d'Humieres <dominiq@lps.ens.fr>
626 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
629 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
631 * plugin.h (invoke_plugin_callbacks): New inline function.
632 * plugin.c (flag_plugin_added): New global flag.
633 (add_new_plugin): Initialize above flag.
634 (invoke_plugin_callbacks): Rename to ...
635 (invoke_plugin_callbacks_full): ... this.
637 2010-04-28 Jan Hubicka <jh@suse.cz>
639 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
640 (lto_varpool_replace_node): New.
641 (lto_symtab_resolve_symbols): Resolve varpool nodes.
642 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
643 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
644 * cgraph.h (varpool_node_ptr): New type.
645 (varpool_node_ptr): New vector.
646 (varpool_node_set_def): New structure.
647 (varpool_node_set): New type.
648 (varpool_node_set): New vector.
649 (varpool_node_set_element_def): New structure.
650 (varpool_node_set_element, const_varpool_node_set_element): New types.
651 (varpool_node_set_iterator): New type.
652 (varpool_node): Add prev pointers, add used_from_other_partition,
654 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
655 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
656 varpool_get_node, varpool_remove_node): Declare.
657 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
658 varpool_node_set_size): New inlines.
659 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
660 * tree-pass.h (varpool_node_set_def): Forward declare.
661 (ipa_opt_pass_d): Summary writting takes vnode sets too.
662 (ipa_write_optimization_summaries): Update prototype.
663 * ipa-cp.c (ipcp_write_summary): Update.
664 * ipa-reference.c (ipa_reference_write_summary): Update.
665 * lto-cgraph.c (lto_output_varpool_node): New static function.
666 (output_varpool): New function.
667 (input_varpool_node): New static function.
668 (input_varpool_1): New function.
669 (input_cgraph): Input varpool.
670 * ipa-pure-const.c (pure_const_write_summary): Update.
671 * lto-streamer-out.c (lto_output): Update, output varpool too.
672 (write_global_stream): Kill WPA hack.
673 (produce_asm_for_decls): Update.
674 (output_alias_pair_p): Handle variables.
675 (output_unreferenced_globals): Output only needed partition of varpool.
676 * ipa-inline.c (inline_write_summary): Update.
677 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
679 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
680 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
681 varpool_node_set_new, varpool_node_set_add,
682 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
683 debug_varpool_node_set): New functions.
684 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
685 (execute_one_pass): Process new decls too.
686 (ipa_write_summaries_2): Pass around vsets.
687 (ipa_write_summaries_1): Likewise.
688 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
690 (ipa_write_optimization_summaries_1): Pass around vsets.
691 (ipa_write_optimization_summaries): Likewise.
692 * varpool.c (varpool_get_node): New.
693 (varpool_node): Update doubly linked lists.
694 (varpool_remove_node): New.
695 (dump_varpool_node): More dumping.
696 (varpool_enqueue_needed_node): Update doubly linked lists.
697 (decide_is_variable_needed): Kill ltrans hack.
698 (varpool_finalize_decl): Kill lto hack.
699 (varpool_assemble_decl): Skip decls in other partitions.
700 (varpool_assemble_pending_decls): Update doubly linkes lists.
701 (varpool_empty_needed_queue): Likewise.
702 (varpool_extra_name_alias): Likewise.
703 * lto-streamer.c (lto_get_section_name): Add vars section.
704 * lto-streamer.h (lto_section_type): Update.
705 (output_varpool, input_varpool): Declare.
707 2010-04-28 Mike Stump <mikestump@comcast.net>
709 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
711 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
713 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
714 record or union type with RECORD_OR_UNION_TYPE_P predicate.
715 (lto_input_ts_type_tree_pointers): Likewise.
716 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
717 (lto_output_ts_type_tree_pointers): Likewise.
719 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
721 Uniquization of constants at the Tree level
722 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
723 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
725 (tree_output_constant_def): Declare.
726 * gimplify.c (gimplify_init_constructor): When using block copy, first
727 uniquize the constant constructor on the RHS.
728 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
729 DECL_IN_CONSTANT_POOL flag.
730 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
731 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
733 (assemble_variable): Deal with symbols belonging to the tree constant
735 (get_constant_section): Add ALIGN parameter and simplify.
736 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
737 (assemble_constant_contents): Use the expression of the VAR_DECL.
738 (output_constant_def_contents): Use the alignment of the VAR_DECL.
739 (tree_output_constant_def): New global function.
740 (mark_constant): Use the expression of the VAR_DECL.
741 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
743 (output_object_block): Likewise and assemble the expression.
745 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
747 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
748 hash_tree, eq_tree): New tree hash table.
749 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
750 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
751 lto_orig_address_remove): Reimplement.
753 2010-04-28 Xinliang David Li <davidxl@google.com>
756 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
757 (compute_uninit_opnds_pos): New function.
758 (is_non_loop_exit_postdominating): New function.
759 (compute_control_dep_chain): New function.
760 (find_pdom): New function.
761 (convert_control_dep_chain_into_preds): New function.
762 (find_predicates): New function.
763 (find_control_equiv_block): New function.
764 (collect_phi_def_edges): New function.
765 (find_def_preds): New function.
766 (find_dom): New function.
767 (dump_predicates): New function.
768 (get_cmp_code): New function.
769 (is_value_included_in): New function.
770 (find_matching_predicate_in_rest_chains): New function.
771 (use_pred_not_overlap_with_undef_path_pred): New function.
772 (is_use_properly_guarded): New function.
773 (normalize_cond_1): New function.
774 (is_and_or_or): New function.
775 (normalize_cond): New function.
776 (is_gcond_subset_of): New function.
777 (is_subset_of_any): New function.
778 (is_or_set_subset_of): New function.
779 (is_and_set_subset_of): New function.
780 (is_norm_cond_subset_of): New function.
781 (is_pred_expr_subset_of): New function.
782 (is_pred_chain_subset_of): New function.
783 (is_included_in): New function.
784 (is_superset_of): New function.
785 (find_uninit_use): New function.
786 (warn_uninitialized_phi): New function.
787 (compute_possibly_undefined_names): New function.
788 (ssa_undefined_value_p): New function.
789 (execute_late_warn_uninitialized): New function.
790 * tree-ssa.c (ssa_undefined_value_p): Removed.
791 (warn_uninit): Changed to extern.
792 (warn_uninitialized_phi): Removed.
793 (warn_uninitialized_vars): Changed to extern.
794 (execute_late_warn_uninitialized): Removed
795 * tree-flow.h: Add new prototypes.
796 * timevar.def: Add new time variable.
797 * Makefile.in: Add new build file.
799 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
801 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
804 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
807 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
809 2010-04-28 Martin Jambor <mjambor@suse.cz>
811 * cgraph.h (struct cgraph_node): New field indirect_calls.
812 (struct cgraph_indirect_call_info): New type.
813 (struct cgraph_edge): Removed field indirect_call. New fields
814 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
815 (cgraph_create_indirect_edge): Declare.
816 (cgraph_make_edge_direct): Likewise.
817 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
818 * ipa-prop.h (struct ipa_param_call_note): Removed.
819 (struct ipa_node_params): Removed field param_calls.
820 (ipa_create_all_structures_for_iinln): Declare.
821 * cgraph.c: Described indirect edges and uids in initial comment.
822 (cgraph_add_edge_to_call_site_hash): New function.
823 (cgraph_edge): Search also among the indirect edges, use
824 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
825 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
826 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
828 (initialize_inline_failed): Assign a reason to indirect edges.
829 (cgraph_create_edge_1): New function.
830 (cgraph_create_edge): Moved some functionality to
831 cgraph_create_edge_1.
832 (cgraph_create_indirect_edge): New function.
833 (cgraph_edge_remove_callee): Add an assert checking for
835 (cgraph_edge_remove_caller): Special-case indirect edges.
836 (cgraph_remove_edge): Likewise.
837 (cgraph_set_edge_callee): New function.
838 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
839 (cgraph_make_edge_direct): New function.
840 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
841 the declaration of the call statement matches.
842 (cgraph_node_remove_callees): Special-case indirect edges.
843 (cgraph_clone_edge): Likewise.
844 (cgraph_clone_node): Clone also the indirect edges.
845 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
846 indirect_call, dump count of indirect_calls edges.
847 * ipa-prop.c (iinlining_processed_edges): New variable.
848 (ipa_note_param_call): Create indirect edges instead of
849 creating notes. New parameter node.
850 (ipa_analyze_call_uses): New parameter node, pass it on to
852 (ipa_analyze_stmt_uses): Likewise.
853 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
854 (print_edge_addition_message): Work on edges rather than on notes.
855 (update_call_notes_after_inlining): Likewise, renamed to
856 update_indirect_edges_after_inlining.
857 (ipa_create_all_structures_for_iinln): New function.
858 (ipa_free_node_params_substructures): Do not free notes.
859 (ipa_edge_duplication_hook): Propagate bits within
860 iinlining_processed_edges bitmap.
861 (ipa_node_duplication_hook): Do not duplicate notes.
862 (free_all_ipa_structures_after_ipa_cp): Renamed to
863 ipa_free_all_structures_after_ipa_cp.
864 (free_all_ipa_structures_after_iinln): Renamed to
865 ipa_free_all_structures_after_iinln.g
866 (ipa_write_param_call_note): Removed.
867 (ipa_read_param_call_note): Removed.
868 (ipa_write_indirect_edge_info): New function.
869 (ipa_read_indirect_edge_info): Likewise.
870 (ipa_write_node_info): Do not stream notes, do stream information
872 (ipa_read_node_info): Likewise.
873 (lto_ipa_fixup_call_notes): Removed.
874 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
875 * ipa-inline.c (pass_ipa_inline): Likewise.
876 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
877 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
878 * tree-inline.c (copy_bb): Removed an unnecessary double check for
880 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
882 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
883 (output_cgraph): Stream also indirect edges.
884 (lto_output_edge): Added capability to stream indirect edges.
885 (input_edge): Likewise.
886 (input_cgraph_1): Likewise.
887 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
890 2010-04-28 Richard Guenther <rguenther@suse.de>
892 PR tree-optimization/43879
893 PR tree-optimization/43909
894 * tree-ssa-structalias.c (struct variable_info): Add
895 only_restrict_pointers flag.
896 (new_var_info): Initialize it. Increment stats.total_vars here.
897 (create_function_info_for): Do not increment stats.total_vars
899 (get_function_part_constraint): Fix build with C++.
900 (insert_into_field_list): Remove.
901 (push_fields_onto_fieldstack): Properly merge fields.
902 (create_variable_info_for): Split and simplify.
903 (create_variable_info_for_1): New piece.
904 (intra_create_variable_infos): Properly make restrict constraints
907 2010-04-28 Richard Guenther <rguenther@suse.de>
910 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
912 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
913 Jan Hubicka <hubicka@ucw.cz>
915 * doc/invoke.texi (-Wsuggest-attribute=const,
916 -Wsuggest-attribute=pure): Document.
917 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
918 (function_always_visible_to_compiler_p,
919 suggest_attribute, warn_function_pure, warn_function_const):
921 (check_call): Improve debug info.
922 (analyze_function): Do not check availability.
923 (add_new_function): Check availability.
924 (propagate): Output warnings.
925 (skip_function_for_local_pure_const): New function.
926 (local_pure_const): Use it; output warnings.
927 * common.opt (Wsuggest-attribute=const,
928 Wsuggest-attribute=pure): New.
930 2010-04-27 Jakub Jelinek <jakub@redhat.com>
932 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
933 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
934 or DW_CFA_def_cfa_offset{,_sf}.
936 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
938 * tree.h: Fix truncated long macros.
940 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
942 * collect2.c (TARGET_64BIT): Redefine to target's default.
944 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
945 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
946 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
947 for underscoring __USER_LABEL_PREFIX__.
948 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
949 (SUB_LINK_ENTRY32): New.
950 (SUB_LINK_ENTRY64): New.
951 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
952 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
953 (SUB_LINK_ENTRY64): New.
954 (SUB_LINK_ENTRY): New.
955 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
956 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
957 x64 target is choosen.
958 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
959 * configure: Regenerated.
960 * configure.ac (leading-mingw64-underscores): Option added.
962 2010-04-27 Jan Hubicka <jh@suse.cz>
964 * doc/invoke.texi (-fipa-profile): Document.
965 * opts.c (decode_options): Enable ipa-profile at -O1.
966 * timevar.def (TV_IPA_PROFILE): Define.
967 * common.opt (fipa-profile): Add.
968 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
970 (cgraph_propagate_frequency): Handle only local ones.
971 * tree-pass.h (pass_ipa_profile): Declare.
972 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
973 (pass_ipa_profile): Use TV_IPA_PROFILE.
974 * ipa.c (ipa_profile): New function.
975 (gate_ipa_profile): Likewise.
976 (pass_ipa_profile): New global variable.
977 * passes.c (pass_ipa_profile): New.
979 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
981 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
983 2010-04-27 Martin Jambor <mjambor@suse.cz>
986 * ipa.c (dissolve_same_comdat_group_list): New function.
987 (function_and_variable_visibility): Call
988 dissolve_same_comdat_group_list when comdat group contains external or
990 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
991 lists are circular and that they contain only DECL_ONE_ONLY nodes.
993 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
995 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
996 (const_hash_1) <VECTOR_CST>: New case.
997 (compare_constant) <VECTOR_CST>: Likewise.
998 <ADDR_EXPR>: Deal with LABEL_REFs.
999 (copy_constant) <VECTOR_CST>: New case.
1001 2010-04-27 Jan Hubicka <jh@suse.cz>
1003 * cgraph.c (cgraph_propagate_frequency): New function.
1004 * cgraph.h (cgraph_propagate_frequency): Declare.
1005 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1006 cgraph_propagate_frequency.
1008 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1010 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1012 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1015 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1016 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1017 here to determine which regs to push and how much stack to reserve.
1019 2010-04-27 Jie Zhang <jie@codesourcery.com>
1021 * doc/gimple.texi (gimple_statement_with_ops): Remove
1022 addresses_taken field.
1023 (gimple_statement_with_memory_ops): Likewise.
1025 2010-04-27 Jan Hubicka <jh@suse.cz>
1027 * tree-inline.c (eni_inlining_weights): Remove.
1028 (estimate_num_insns): Special case more builtins.
1030 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1033 * c-typeck.c (build_binary_op): Move forward check for comparison
1034 pointer with null pointer constant and adjust the diagnostic message.
1036 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1039 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1040 binutils supports extended .section directive needed by LTO, or
1041 warn if older binutils found.
1042 (LTO_BINARY_READER): New AC_SUBST'd variable.
1043 (LTO_USE_LIBELF): Likewise.
1044 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1046 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1047 (LTO_USE_LIBELF): Likewise.
1048 * configure: Regenerate.
1050 * collect2.c (is_elf): Rename from this ...
1051 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1052 object files in addition to ELF-formatted ones.
1053 (scan_prog_file): Caller updated. Also allow for LTO info marker
1054 symbol to be prefixed or not by an extra underscore.
1056 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1057 * config/i386/winnt.c: Also #include lto-streamer.h
1058 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1060 (i386_pe_asm_output_aligned_decl_common): Add comment.
1061 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1063 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1066 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1067 Add missing earlyclobber for second alternative.
1069 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1071 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1072 bits for artificial defs at the top of the block.
1073 * fwprop.c (single_def_use_enter_block): Don't call it.
1075 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1078 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1079 instead of "$gcc_cv_objdump -T".
1080 Use "-undefined dynamic_lookup" on darwin.
1081 * gcc/configure: Regenerate.
1083 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1086 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1088 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1090 * c-parser.c (struct c_token): Move location field up.
1091 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1092 (struct c_declspecs): Convert typespec_word, storage_class, and
1093 default_int_p into bitfields.
1094 (struct c_declarator): Move loc field up.
1096 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1098 * cfgloop.h (struct loop): Move can_be_parallel field up.
1099 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1100 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1102 (struct iv_cand): Convert pos field into a bitfield.
1103 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1105 (struct _stmt_vec_info): Shuffle fields for better packing.
1107 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1109 * varasm.c (IN_NAMED_SECTION): Remove guard.
1110 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1111 (IN_NAMED_SECTION_P): ...this.
1112 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1113 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1115 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1117 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1118 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1119 of shadowing it. Fix comments.
1121 2010-04-26 Jan Hubicka <jh@suse.cz>
1123 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1124 (cgraph_clone_node): Copy function frequency.
1125 * cgraph.h (node_frequency): New enum
1126 (struct cgraph_node): Add.
1127 * final.c (rest_of_clean_state): Update.
1128 * lto-cgraph.c (lto_output_node): Output node frequency.
1129 (input_overwrite_node): Input node frequency.
1130 * tre-ssa-loop-ivopts (computation_cost): Update.
1131 * lto-streamer-out.c (output_function): Do not output function
1133 * predict.c (maybe_hot_frequency_p): Update and handle functions
1135 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1137 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1138 (compute_function_frequency): Set noreturn functions to be executed
1140 (choose_function_section): Update.
1141 * lto-streamer-in.c (input_function): Do not input function frequency.
1142 * function.c (allocate_struct_function): Do not initialize function
1144 * function.h (function_frequency): Remove.
1145 (struct function): Remove function frequency.
1146 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1147 (try_update): Update.
1148 * tree-inline.c (initialize_cfun): Do not update function frequency.
1149 * passes.c (pass_init_dump_file): Update.
1150 * i386.c (ix86_compute_frame_layout): Update.
1151 (ix86_pad_returns): Update.
1153 2010-04-26 Jie Zhang <jie@codesourcery.com>
1155 PR tree-optimization/43833
1156 * tree-vrp.c (range_int_cst_p): New.
1157 (range_int_cst_singleton_p): New.
1158 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1159 when both operands are constants. Use range_int_cst_p in
1162 2010-04-26 Jan Hubicka <jh@suse.cz>
1164 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1166 2010-04-26 Richard Guenther <rguenther@suse.de>
1169 * gimple.c (gimple_decl_printable_name): Deal gracefully
1170 with a NULL DECL_NAME.
1172 2010-04-26 Richard Guenther <rguenther@suse.de>
1175 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1176 if emitting debug information and it is either a function
1177 or a namespace decl.
1179 2010-04-26 Ira Rosen <irar@il.ibm.com>
1181 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1182 determine if the statement is vectorizable, and a macro to access it.
1183 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1184 Skip statements that can't be vectorized. If the analysis fails,
1185 mark the statement as unvectorizable if vectorizing basic block.
1186 (vect_compute_data_refs_alignment): Likewise.
1187 (vect_verify_datarefs_alignment): Skip statements marked as
1188 unvectorizable. Add print.
1189 (vect_analyze_group_access): Skip statements that can't be
1190 vectorized. If the analysis fails, mark the statement as
1191 unvectorizable if vectorizing basic block.
1192 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1193 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1194 generated stmts for SLP.
1195 (new_stmt_vec_info): Initialize the new field.
1196 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1197 statements marked as unvectorizable.
1199 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1201 * c-common.c (flag_isoc1x): New.
1202 (flag_isoc99): Update comment.
1203 * c-common.h (flag_isoc1x): New.
1204 (flag_isoc99): Update comment.
1205 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1206 __<type>_DECIMAL_DIG__.
1207 * c-opts.c (set_std_c1x): New.
1208 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1209 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1210 * c.opt (-std=c1x, -std=gnu1x): New options.
1211 * doc/cpp.texi: Mention -std=c1x.
1212 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1213 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1214 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1215 * doc/standards.texi: Mention C1X.
1216 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1217 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1218 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1221 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1223 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1224 placeholder from 0x%x to %#x.
1225 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1226 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1227 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1228 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1229 * config/i386/i386.c (ix86_target_string): Ditto.
1230 (output_pic_addr_const): Ditto.
1231 (print_operand): Ditto.
1233 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1235 * combine.c (find_split_point): Add third argument. Use it
1236 to find nested multiply-accumulate instructions. Adjust calls.
1237 (try_combine): Adjust call to find_split_point.
1239 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1241 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1243 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1245 PR tree-optimization/41442
1246 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1247 (fold_binary_loc): Call it.
1249 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1251 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1252 * opts.c (common_handle_option): Allow disabling it.
1253 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1255 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1257 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1258 between modes if both types are integral.
1260 2010-04-23 Richard Guenther <rguenther@suse.de>
1262 PR tree-optimization/43572
1263 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1265 2010-04-23 Richard Guenther <rguenther@suse.de>
1268 * tree-inline.c (tree_can_inline_p): Also check compatibility
1271 2010-04-23 Martin Jambor <mjambor@suse.cz>
1273 PR tree-optimization/43846
1274 * tree-sra.c (struct access): New flag grp_assignment_read.
1275 (build_accesses_from_assign): Set grp_assignment_read.
1276 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1277 (enum mark_read_status): New type.
1278 (analyze_access_subtree): Propagate grp_assignment_read, create
1279 accesses also if both direct_read and root->grp_assignment_read.
1281 2010-04-23 Martin Jambor <mjambor@suse.cz>
1284 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1285 function does not have type attributes.
1287 2010-04-23 Richard Guenther <rguenther@suse.de>
1290 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1293 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1295 * sese.h (create_if_region_on_edge): Remove.
1297 * sese.c (create_if_region_on_edge): Make static.
1299 * tree-inline.c: Do not include ggc.h.
1301 * expr.c: Do not include ggc.h.
1303 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1306 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1309 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1310 in the middle of insns for casesi_worker_2.
1312 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1314 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1316 2010-04-22 Ira Rosen <irar@il.ibm.com>
1318 PR tree-optimization/43842
1319 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1320 loop unrolling in update of exit phis. Fix comment.
1321 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1322 least two reduction statements in the loop before starting SLP
1325 2010-04-22 Nick Clifton <nickc@redhat.com>
1327 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1329 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1331 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1334 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1336 * tree-parloops.c (loop_parallel_p): New argument
1337 parloop_obstack. Pass it down.
1338 (parallelize_loops): New variable parloop_obstack. Initialize it,
1339 pass it down, free it.
1341 * tree-loop-linear.c (linear_transform_loops): Pass down
1344 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1345 of type struct obstack *.
1347 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1348 scratch_obstack. Initialize it, pass down, free it.
1350 * lambda.h (lambda_loop_new): Remove.
1351 (lambda_matrix_new, lambda_matrix_inverse)
1352 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1353 argument of type struct obstack *.
1355 * lambda-trans.c (lambda_trans_matrix_new): New argument
1356 lambda_obstack. Pass it down, use obstack allocation for ret.
1357 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1360 * lambda-mat.c (lambda_matrix_get_column)
1361 (lambda_matrix_project_to_null): Remove.
1362 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1364 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1367 * lambda-code.c (lambda_loop_new): New function.
1368 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1369 (lambda_compute_auxillary_space, lambda_compute_target_space)
1370 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1371 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1372 (build_access_matrix): New argument lambda_obstack. Use obstack
1374 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1375 argument lambda_obstack. Pass it down.
1377 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1379 * optabs.h (expand_widening_mult): Declare.
1381 2010-04-22 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/43845
1384 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1385 lookup the CALL_EXPR function and arguments.
1387 2010-04-22 Nick Clifton <nickc@redhat.com>
1389 * config/stormy16/stormy16.c
1390 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1391 * config/stormy16/stormy16.h: Tidy up formatting.
1392 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1393 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1394 (ineqbranchsi): Delete pattern.
1395 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1396 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1397 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1398 stormy16-lib2-ucmpsi2.c.
1400 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1402 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1403 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1404 extra set merge_set_noclobber, and use it to relax the final test
1406 * df.h (df_simulate_find_noclobber_defs): Declare.
1407 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1409 (df_simulate_find_noclobber_defs): New function.
1411 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.md: Use {} around multi-line preparation statements.
1415 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1417 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1418 (process_init_element): New argument of type struct obstack *.
1420 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1421 (set_init_index, set_init_label, set_nonincremental_init)
1422 (set_nonincremental_init_from_string, find_init_member)
1423 (output_init_element, output_pending_init_elements)
1424 (process_init_element): New argument braced_init_obstack. Pass it
1426 (push_range_stack, add_pending_init): New argument
1427 braced_init_obstack. Use obstack allocation.
1429 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1430 braced_init_obstack. Pass it down.
1431 (c_parser_braced_init): New variables ret, braced_init_obstack.
1432 Initialize obstack, pass it down and finally free it.
1434 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1437 * tree-pass.h (pass_optimize_widening_mul): Declare.
1438 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1439 gate_optimize_widening_mul): New static functions.
1440 (pass_optimize_widening_mul): New.
1441 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1442 <case MULT_EXPR>: Remove support for widening multiplies.
1443 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1444 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1445 simplify_gen_unary rather than directly building extensions.
1446 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1448 * expmed.c (expand_widening_mult): New function.
1449 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1451 2010-04-21 Jan Hubicka <jh@suse.cz>
1453 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1454 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1455 * lto-wpa-fixup.c: Remove.
1456 * Makefile.in (lto-wpa-fixup.o): Remove.
1457 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1458 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1459 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1461 2010-04-21 Jan Hubicka <jh@suse.cz>
1463 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1464 add write_optimization_summary, read_optimization_summary.
1465 (ipa_write_summaries_of_cgraph_node_set): Remove.
1466 (ipa_write_optimization_summaries): Declare.
1467 (ipa_read_optimization_summaries): Declare.
1468 * ipa-cp.c (pass_ipa_cp): Update.
1469 * ipa-reference.c (pass_ipa_reference): Update.
1470 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1471 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1473 * ipa-inline.c (pass_ipa_inline): Update.
1474 * ipa.c (pass_ipa_whole_program): Update.
1475 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1476 * passes.c (ipa_write_summaries_1): Do not test wpa.
1477 (ipa_write_optimization_summaries_1): New.
1478 (ipa_write_optimization_summaries): New.
1479 (ipa_read_summaries): Do not test ltrans.
1480 (ipa_read_optimization_summaries_1): New.
1481 (ipa_read_optimization_summaries): New.
1483 2010-04-21 Jan Hubicka <jh@suse.cz>
1485 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1487 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1489 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1492 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1493 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1495 2010-04-21 Jan Hubicka <jh@suse.cz>
1497 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1499 2010-04-21 Jan Hubicka <jh@suse.cz>
1501 * varpool.c (decide_is_variable_needed): Variable is always needed
1504 2010-04-21 Jan Hubicka <jh@suse.cz>
1506 * opts.c (decode_options): Enable pure-const pass for whopr.
1508 2010-04-21 Jan Hubicka <jh@suse.cz>
1510 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1511 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1513 (cgraph_decide_inlining): Do not expect callee to be removed in all
1516 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1518 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1520 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1522 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1523 amdfam10_decode attributes.
1525 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1528 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1529 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1530 (lower_copyprivate_clauses): Use private var in outer
1531 context instead of original var. Make sure the types
1532 are correct for VLAs.
1534 2010-04-21 Richard Guenther <rguenther@suse.de>
1536 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1537 to non-pointer objects.
1539 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1541 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1542 last chain entry if it starts with the still current label.
1543 (add_location_or_const_value_attribute): Check that
1544 loc_list->first->next is NULL instead of comparing ->first with ->last.
1545 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1546 to add_var_loc_to_decl.
1548 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1549 >= 4 add also address size and segment size fields into CIE header.
1551 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1552 long as address size is the same as sizeof (void *) and
1554 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1555 address size or segment size is unexpected, return DW_EH_PE_omit.
1556 (classify_object_over_fdes): If get_cie_encoding returned
1557 DW_EH_PE_omit, return -1.
1558 (init_object): If classify_object_over_fdes returned -1,
1559 pretend there were no FDEs at all.
1561 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1563 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1564 bswap{si,di}2 using SWI48 mode iterator.
1565 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1566 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1567 set modrm attribute of bswap insn to 0 and remove length attribute.
1568 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1569 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1570 set mode attribute to <MODE> and remove length attribute.
1572 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1574 PR rtl-optimization/43520
1575 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1576 zero available registers.
1578 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1580 * builtins.c (fold_builtin_cproj): Fold more cases.
1582 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1584 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1585 (fold_builtin_1): Fold builtin cproj.
1586 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1587 Use ATTR_CONST_NOTHROW_LIST.
1589 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1591 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1592 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1593 ffsi2_no_cmove for !TARGET_CMOVE.
1594 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1595 (ffssi2): Remove expander.
1596 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1598 (ctz<mode>2): Ditto from ctz{si,di}2.
1599 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1601 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1604 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1606 * dwarf2out.c (AT_linkage_name): Define.
1607 (clone_as_declaration): Handle DW_AT_linkage_name.
1608 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1609 of DW_AT_MIPS_linkage_name.
1610 (move_linkage_attr): Likewise.
1611 (dwarf2out_finish): Likewise.
1613 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1616 * fold-const.c (fold_comparison): New folding rule.
1618 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1620 * double-int.h (double_int_setbit): Declare.
1621 * double-int.c (double_int_setbit): New function.
1622 * rtl.h (immed_double_int_const): Declare.
1623 * emit-rtl.c (immed_double_int_const): New function.
1624 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1625 and immed_double_int_const functions.
1626 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1627 expand_copysign_bit): (Ditto.).
1628 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1629 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1630 * dojump.c (prefer_and_bit_test): (Ditto.).
1631 * expr.c (convert_modes, reduce_to_bit_field_precision,
1632 const_vector_from_tree): (Ditto.).
1633 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1635 2010-04-20 Jan Hubicka <jh@suse.cz>
1637 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1638 (dump_cgraph_node): Dump new flags.
1639 * cgraph.h (struct cgraph_node): Add flags
1640 reachable_from_other_partition and in_other_partition.
1641 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1642 other partition can not be removed.
1643 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1644 the other partition must be output; silence sanity checking on
1645 leaking functions bodies from other paritition.
1646 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1647 (lto_output_node): Output new flags; do not sanity check that inline
1648 clones are output; drop lto_forced_extern_inline_p code; do not mock
1649 visibility flags at partition boundaries.
1650 (add_node_to): New function.
1651 (output_cgraph): Use it to sort functions so masters appear before
1653 (input_overwrite_node): Input new flags.
1654 * passes.c (ipa_write_summaries): Do not call
1655 lto_new_extern_inline_states.
1656 * lto-section-out.c (forced_extern_inline,
1657 lto_new_extern_inline_states lto_delete_extern_inline_states,
1658 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1659 * lto-streamer.h (lto_new_extern_inline_states,
1660 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1661 lto_forced_extern_inline_p): Kill.
1663 2010-04-20 Richard Guenther <rguenther@suse.de>
1665 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1666 from vars that can have pointers.
1667 (process_constraint): Dump useless constraints.
1669 2010-04-20 Richard Guenther <rguenther@suse.de>
1671 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1672 (dump_sa_points_to_info): Remove asserts.
1673 (init_base_vars): nothing_id isn't an escape point nor does it
1676 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1678 * tree.h (TYPE_REF_IS_RVALUE): Define.
1679 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1680 should_move_die_to_comdat, prune_unused_types_walk): Handle
1681 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1682 (modified_type_die, gen_reference_type_die): Emit
1683 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1684 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1686 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1689 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1690 calls for -fpic -m31 if they have been sibcall optimized.
1692 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1694 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1695 ar.lc fixed and call-used.
1697 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1699 2010-04-19 Jan Hubicka <jh@suse.cz>
1701 * opts.c (decode_options): Disable whpr incompatible passes.
1702 * lto/lto.c (lto_1_to_1_map): Skip clones.
1703 (read_cgraph_and_symbols): Do not mark everything as needed.
1704 (do_whole_program_analysis): Do map only after optimizing;
1705 set proper cgraph_state; use passmanager.
1707 2010-04-19 DJ Delorie <dj@redhat.com>
1709 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1710 POINTER_PLUS_EXPR and fix them.
1712 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1714 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1715 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1716 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1717 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1718 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1719 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1720 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1721 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1722 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1723 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1724 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1726 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1728 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1729 (check_cond_move_block): Likewise.
1730 (cond_move_process_if_block): Likewise.
1731 (noce_find_if_block): Improve formatting.
1732 (find_if_header): Pass 0 to memset and tweak conditions.
1733 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1735 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1737 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1741 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1742 with non-local decl doesn't need chain.
1744 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1746 * ira-color.c (allocno_reload_assign): Avoid accumulating
1747 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1749 2010-04-19 Martin Jambor <mjambor@suse.cz>
1751 * gimple.h (create_tmp_reg): Declare.
1752 * gimplify.c (create_tmp_reg): New function.
1753 (gimplify_return_expr): Use create_tmp_reg.
1754 (gimplify_omp_atomic): Likewise.
1755 (gimple_regimplify_operands): Likewise.
1756 * tree-dfa.c (make_rename_temp): Likewise.
1757 * tree-predcom.c (predcom_tmp_var): Likewise.
1758 (reassociate_to_the_same_stmt): Likewise.
1759 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1760 (get_replaced_param_substitute): Likewise.
1761 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1762 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1763 * tree-ssa-pre.c (get_representative_for): Likewise.
1764 (create_expression_by_pieces): Likewise.
1765 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1766 (create_tailcall_accumulator): Likewise.
1768 2010-04-19 Martin Jambor <mjambor@suse.cz>
1770 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1772 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1774 2010-04-19 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/43796
1777 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1778 from SCEV in the lattice.
1779 (vrp_visit_phi_node): Dump change.
1781 2010-04-19 Richard Guenther <rguenther@suse.de>
1783 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1784 * configure: Re-generated.
1786 2010-04-19 Richard Guenther <rguenther@suse.de>
1788 PR tree-optimization/43783
1789 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1790 constant ARRAY_REF operands two and three if possible.
1792 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1795 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1797 2010-04-19 Jie Zhang <jie@codesourcery.com>
1800 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1802 2010-04-19 Ira Rosen <irar@il.ibm.com>
1804 PR tree-optimization/37027
1805 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1806 and macro to access it.
1807 (vectorizable_reduction): Add argument.
1808 (vect_get_slp_defs): Likewise.
1809 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1810 statements for possible use in SLP.
1811 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1812 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1813 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1815 (vectorizable_reduction): Likewise.
1816 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1818 (vectorizable_type_demotion, vectorizable_type_promotion,
1819 vectorizable_store): Likewise.
1820 (vect_analyze_stmt): Update call to vectorizable_reduction.
1821 (vect_transform_stmt): Likewise.
1822 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1823 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1824 from different interleaving chains in same node.
1825 (vect_slp_rearrange_stmts): New function.
1826 (vect_supported_load_permutation_p): Allow load permutations for
1827 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1828 inside SLP nodes if necessary.
1829 (vect_analyze_slp_instance): Handle reductions.
1830 (vect_analyze_slp): Try to build SLP instances originating from groups
1832 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1833 (vect_get_constant_vectors): Create initial vectors for reductions
1834 according to reduction code. Add new argument.
1835 (vect_get_slp_defs): Add new argument, pass it to
1836 vect_get_constant_vectors.
1837 (vect_schedule_slp_instance): Remove SLP tree root statements.
1839 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1841 * tree.h (ENUM_IS_SCOPED): Define.
1842 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1843 for ENUM_IS_SCOPED enums.
1845 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1847 * fold-const.c (fold_comparison): Use ssizetype.
1848 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1849 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1850 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1851 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1853 * tree.h (initialize_sizetypes): Remove parameter.
1854 (build_common_tree_nodes): Remove second parameter.
1855 * stor-layout.c (initialize_sizetypes): Remove parameter.
1856 Always create an unsigned type.
1857 (set_sizetype): Assert that the passed type is unsigned and simplify.
1858 * tree.c (build_common_tree_nodes): Remove second parameter.
1859 Adjust call to initialize_sizetypes.
1860 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1861 build_common_tree_nodes.
1863 2010-04-18 Matthias Klose <doko@ubuntu.com>
1865 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1867 2010-04-18 Ira Rosen <irar@il.ibm.com>
1869 PR tree-optimization/43771
1870 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1871 load permutation doesn't have gaps.
1873 2010-04-18 Jan Hubicka <jh@suse.cz>
1875 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1876 (sse_prologue_save_insn expander): Use new pattern.
1877 (sse_prologue_save_insn1): New pattern and splitter.
1878 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1880 * i386.c (setup_incoming_varargs_64): Do not compute jump
1882 (ix86_gimplify_va_arg): Update alignment needed.
1883 (ix86_local_alignment): Do not align all local arrays to 128bit.
1885 2010-04-17 Jan Hubicka <jh@suse.cz>
1887 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1889 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1891 * arm.md (negdi2): Remove redundant code to force values into a
1894 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1896 * arm/bpabi.S: Add EABI alignment attributes to objects.
1897 * arm/bpabi-v6m.S: Likewise.
1898 * arm/crti.asm: Likewise.
1899 * arm/crtn.asm: Likewise.
1900 * arm/lib1funcs.asm: Likewise.
1901 * arm/libunwind.S: Likewise.
1903 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1905 * arm-protos.h (tune_params): New structure.
1906 * arm.c (current_tune): New variable.
1907 (arm_constant_limit): Delete.
1908 (struct processors): Add pointer to the tune parameters.
1909 (arm_slowmul_tune): New tuning option.
1910 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1911 (all_cores): Adjust to pick up the tuning model.
1912 (arm_constant_limit): New function.
1913 (arm_override_options): Select the appropriate tuning model. Delete
1914 initialization of arm_const_limit.
1915 (arm_split_constant): Use the new constant-limit model.
1916 (arm_rtx_costs): Pick up the current tuning model.
1917 * arm.md (is_strongarm, is_xscale): Delete.
1918 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1919 for Xscale variant architectures.
1920 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1922 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1924 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1926 (arm_rtx_costs_1): Remove unused variable extra_cost.
1927 (arm_unwind_emit_set): Use variable offset.
1928 (thumb1_output_casesi): Remove unused variable flags.
1930 2010-04-16 Jeff Law <law@redhat.com>
1932 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1933 needing assignment rather than doing a two-phase assignment. Remove
1934 unused variable 'm'.
1936 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1939 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1941 2010-04-16 Doug Kwan <dougkwan@google.com>
1943 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1944 (next_operand_entry_id): New static variable.
1945 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1946 (add_to_ops_vec): Assigned unique ID to operand entry.
1947 (struct oecount_s): New field ID.
1948 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1949 (undistribute_ops_list): Assign unique IDs to oecounts.
1950 (init_reassoc): reset next_operand_entry_id.
1952 2010-04-16 Doug Kwan <dougkwan@google.com>
1954 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1955 missing left parenthesis.
1957 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1959 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1960 *btdi_rex64 using SWI48 mode iterator.
1961 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1962 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1963 *jcc_btdi_mask_rex64.
1965 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1967 * double-int.h (tree_to_double_int): Convert to macro.
1968 * double-int.c (tree_to_double_int): Remove.
1970 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1973 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1974 with want_address 2 and in case a single element list might be
1975 possible, call it again with want_address 0.
1977 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1979 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1980 case 'W' print operands for HI mode.
1981 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1982 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1983 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1984 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1986 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1988 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1989 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1990 #xx:3 and #xx:4 mode.
1992 * config/h8300/h8300.md (inverted load with HImode dest): Add
1993 support for H8300SX.
1995 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1996 satisfy 'U' constraint.
1998 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2000 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2001 * configure: Regenerate.
2002 * config.in: Regenerate.
2003 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2006 2010-04-16 Richard Guenther <rguenther@suse.de>
2008 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2009 (struct tree_decl_common): ... here.
2010 (DECL_PT_UID): Adjust.
2011 (SET_DECL_PT_UID): Likewise.
2012 (DECL_PT_UID_SET_P): Likewise.
2014 2010-04-16 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/43572
2017 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2018 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2019 * tree-flow.h (is_call_clobbered): Remove.
2020 * tree-flow-inline.h (is_call_clobbered): Likewise.
2021 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2022 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2023 (execute_return_slot_opt): Adjust.
2024 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2025 check for call clobbered vars here.
2026 (find_tail_calls): Move tailcall verification to the
2029 2010-04-16 Diego Novillo <dnovillo@google.com>
2031 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2033 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2036 * config/arm/arm.md (cbranchqi4): New pattern.
2037 * config/arm/predicates.md (const0_operand,
2038 cbranchqi4_comparison_operator): New predicates.
2040 2010-04-16 Richard Guenther <rguenther@suse.de>
2042 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2043 (dump_gimple_stmt): Likewise.
2045 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2047 * recog.h (struct recog_data): New field is_operator.
2048 (struct insn_operand_data): New field is_operator.
2049 * recog.c (extract_insn): Set recog_data.is_operator.
2050 * genoutput.c (output_operand_data): Emit code to set the
2052 * reload.c (find_reloads): Use it rather than testing for an
2053 empty constraint string.
2056 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2057 If the previous insn is a cbranchsi4_insn with the same arguments,
2058 omit the compare instruction.
2060 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2061 register, inputs must be low registers and we need a low register
2062 scratch. Handle alternative 2 like alternative 3.
2064 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2066 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2067 don't call get_addr on both. If one expression is a VALUE and
2068 the other a REG, check VALUE's locs if the REG isn't among them.
2070 2010-04-16 Christian Bruel <christian.bruel@st.com>
2072 * config/sh/sh.h (sh_frame_pointer_required): New function.
2073 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2074 (flag_omit_frame_pointer) Set.
2075 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2076 (rounded_frame_size): Adjust size with outgoing_args_size.
2077 (sh_set_return_address): Must return from stack pointer.
2078 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2079 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2080 (ACCUMULATE_OUTGOING_ARGS): Define.
2081 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2082 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2084 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2087 * config/sh/sh.c (sh_legitimize_reload_address): Use
2088 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2089 Remove a unneeded check for offset_base.
2091 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2093 * configure: Regenerated.
2095 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2097 * config/s390/s390.c (s390_call_save_register_used): Switch back
2098 to HARD_REGNO_NREGS.
2100 2010-04-15 Richard Guenther <rguenther@suse.de>
2102 * alias.c (alias_set_subset_of): Handle alias-set zero
2105 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2106 Julian Brown <julian@codesourcery.com>
2108 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2109 alternatives according to use of high and low regs.
2110 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2111 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2112 optimizing for size on Thumb-2.
2114 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2116 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2118 2010-04-15 Richard Guenther <rguenther@suse.de>
2120 * tree-ssa-structalias.c (struct variable_info): Add
2122 (new_var_info): Initialize it.
2123 (dump_constraints): Support printing last added constraints.
2124 (debug_constraints): Adjust.
2125 (dump_constraint_graph): Likewise.
2126 (make_heapvar_for): Check for NULL cfun.
2127 (get_function_part_constraint): New function.
2128 (get_fi_for_callee): Likewise.
2129 (find_func_aliases): Properly implement IPA PTA constraints.
2130 (process_ipa_clobber): New function.
2131 (find_func_clobbers): Likewise.
2132 (insert_into_field_list_sorted): Remove.
2133 (create_function_info_for): Properly allocate vars for IPA mode.
2134 Do not use insert_into_field_list_sorted.
2135 (create_variable_info_for): Properly generate constraints for
2136 global vars in IPA mode.
2137 (dump_solution_for_var): Always dump the solution.
2138 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2139 (find_what_var_points_to): Adjust.
2140 (pt_solution_set): Change.
2141 (pt_solution_ior_into): New function.
2142 (pt_solution_empty_p): Export.
2143 (pt_solution_includes_global): Adjust.
2144 (pt_solution_includes_1): Likewise.
2145 (pt_solutions_intersect_1): Likewise.
2146 (dump_sa_points_to_info): Check some invariants.
2147 (solve_constraints): Move constraint dumping ...
2148 (compute_points_to_sets): ... here.
2149 (ipa_pta_execute): ... and here.
2150 (compute_may_aliases): Do not re-compute points-to info
2151 locally if IPA info is available.
2152 (ipa_escaped_pt): New global var.
2153 (ipa_pta_execute): Properly implement IPA PTA.
2154 * tree-into-ssa.c (dump_decl_set): Support dumping
2155 decls not in referenced-vars.
2156 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2157 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2158 (dump_points_to_solution): Likewise.
2159 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2160 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2161 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2162 (copy_decl_to_var): Copy DECL_PT_UID.
2163 (copy_result_decl_to_var): Likewise.
2164 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2165 (copy_node_stat): Copy it.
2166 * tree.h (DECL_PT_UID): New macro.
2167 (SET_DECL_PT_UID): Likewise.
2168 (DECL_PT_UID_SET_P): Likewise.
2169 (struct tree_decl_minimal): Add pt_uid member.
2170 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2171 (pt_solution_empty_p): Declare.
2172 (pt_solution_set): Adjust.
2173 (ipa_escaped_pt): Declare.
2174 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2175 * gimple-pretty-print.c (pp_points_to_solution): New function.
2176 (dump_gimple_call): Dump call clobber/use information.
2177 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2178 * tree-pass.h (TDF_ALIAS): New dump option.
2179 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2180 * doc/invoke.texi (-fipa-pta): Update documentation.
2182 2010-04-15 Richard Guenther <rguenther@suse.de>
2184 * Makefile.in (OBJS-common): Add gimple-fold.o.
2185 (gimple-fold.o): New rule.
2186 * tree.h (maybe_fold_offset_to_reference,
2187 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2189 * gimple.h: ... here.
2190 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2191 may_propagate_address_into_dereference): Move prototypes ...
2192 * gimple.h: ... here.
2193 * tree-ssa-ccp.c (get_symbol_constant_value,
2194 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2195 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2196 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2197 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2198 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2199 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2200 gimplify_and_update_call_from_tree): Move ...
2201 * gimple-fold.c: ... here. New file.
2202 (ccp_fold_builtin): Rename to ...
2203 (gimple_fold_builtin): ... this.
2204 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2206 2010-04-15 Richard Guenther <rguenther@suse.de>
2208 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2209 fit_double_type, force_fit_type_double, add_double_with_sign,
2210 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2211 lrotate_double, rrotate_double, div_and_round_double): Move ...
2212 * double-int.c: ... here.
2213 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2214 add_double, neg_double, mul_double_with_sign, mul_double,
2215 lshift_double, rshift_double, lrotate_double, rrotate_double,
2216 div_and_round_double): Move prototypes ...
2217 * double-int.h: ... here.
2219 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2222 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2223 matching constraints to ensure inputs match the output.
2225 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2228 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2229 in an input-only operand.
2231 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2233 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2234 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2235 (double_int_negative_p): Convert to static inline function.
2236 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2237 (double_int_negative_p): Remove.
2238 * tree.h (lshift_double, rshift_double):
2239 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2240 * fold-const.c (fold_convert_const_int_from_real,
2241 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2242 (lshift_double): Change type of arith argument to bool.
2243 (rshift_double): Change type of arith argument to bool. Correct
2245 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2247 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2250 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2251 at the start and end of the then/else blocks, and omit them from the
2253 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2254 argument; all callers changed. Pass zero to old_insns_match_p instead.
2255 (flow_find_head_matching_sequence): New function.
2256 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2257 * basic-block.h (flow_find_cross_jump,
2258 flow_find_head_matching_sequence): Declare functions.
2260 2010-04-14 Jason Merrill <jason@redhat.com>
2263 * c-common.c (attribute_takes_identifier_p): New fn.
2264 * c-common.h: Declare it.
2266 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2268 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2270 (*udivmod<mode>4): Ditto.
2272 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2274 * config/i386/i386.md (maxmin_int): Rename code attribute from
2275 maxminiprefix and update all users.
2276 (maxmin_float): Ditto from maxminfprefix.
2277 (logic): Ditto from logicprefix.
2278 (absneg_mnemonic): Ditto from absnegprefix.
2279 * config/i386/mmx.md: Update all users of maxminiprefix,
2280 maxminfprefix and logicprefix for rename.
2281 * config/i386/sse.md: Ditto.
2282 * config/i386/sync.md (sync_<code><mode>): Update for
2285 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2288 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2289 warnings converted to errors.
2291 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2293 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2294 used insn_type variable.
2295 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2296 to avoid set-but-not-used warning.
2298 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2300 * df-core.c (df_ref_debug): Change format string placeholder
2302 * dwarf2asm.c (dw2_asm_output_data_raw,
2303 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2304 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2305 * dwarf2out.c (output_cfi, output_cfi_directive,
2306 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2307 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2309 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2310 * print-rtl.c (print_rtx): Ditto.
2312 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2315 * builtins.c (expand_builtin_pow_root): New function to expand pow
2316 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2317 series of sqrt and cbrt calls under -ffast-math.
2318 (expand_builtin_pow): Call it.
2320 2010-04-14 Michael Matz <matz@suse.de>
2322 PR tree-optimization/42963
2323 * tree-cfg.c (touched_switch_bbs): New static variable.
2324 (group_case_labels_stmt): New function broken out from ...
2325 (group_case_labels): ... here, use the above.
2326 (start_recording_case_labels): Allocate touched_switch_bbs.
2327 (end_recording_case_labels): Deallocate it, call
2328 group_case_labels_stmt.
2329 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2331 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2333 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2336 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2338 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2340 2010-04-13 Jan Hubicka <jh@suse.cz>
2342 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2343 of optimized out static functions.
2344 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2345 cost computation. Also sanity check for overflows.
2346 (update_caller_keys): Update cgraph_edge_badness call; properly
2347 update fibheap and sanity check that it is up to date.
2348 (add_new_edges_to_heap): Update cgraph_edge_badness.
2349 (cgraph_decide_inlining_of_small_function): Likewise;
2350 add sanity checking that badness in heap is up to date;
2351 improve dumping of reason; Update badness of calls to the
2352 offline copy of function currently inlined; dump badness
2353 of functions not inlined because of unit growth limits.
2355 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2358 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2359 because of sign-extension change when converting to sizetype here...
2360 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2362 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2363 the folding to constants. Remove redundant final conversion.
2364 (fold_binary) <associate>: Do not associate if the re-association of
2365 constants alone overflows.
2366 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2367 to the end of the list.
2368 (multiple_of_p) <COND_EXPR>: New case.
2370 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2372 * opt-functions.awk (opt_sanitized_name): New.
2374 * optc-gen.awk: Use it
2375 * opth-gen.awk: Use it.
2377 2010-04-13 Martin Jambor <mjambor@suse.cz>
2379 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2380 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2381 children. Call replace_uses_with_default_def_ssa_name to handle
2384 2010-04-13 Michael Matz <matz@suse.de>
2387 * builtins.c (expand_builtin_interclass_mathfn): Also create
2388 a register if the predicate doesn't match.
2390 2010-04-13 Diego Novillo <dnovillo@google.com>
2392 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2393 * c-pch.c: Include timevar.h.
2394 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2395 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2396 * ggc-common.c: Include timevar.h.
2397 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2398 * timevar.def (TV_PCH_SAVE): Define.
2399 (TV_PCH_CPP_SAVE): Define.
2400 (TV_PCH_PTR_REALLOC): Define.
2401 (TV_PCH_PTR_SORT): Define.
2402 (TV_PCH_RESTORE): Define.
2403 (TV_PCH_CPP_RESTORE): Define.
2405 2010-04-13 Michael Matz <matz@suse.de>
2407 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2409 (can_reassociate_p): New function.
2410 (break_up_subtract_bb, reassociate_bb): Use it.
2412 2010-04-13 Richard Guenther <rguenther@suse.de>
2415 * builtins.c (c_readstr): Fix assert.
2417 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2419 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2420 when generating cltd insn.
2422 (*ashl<mode>3_1): Remove special handling for register operand 2.
2423 (*ashlsi3_1_zext): Ditto.
2424 (*ashlhi3_1): Ditto.
2425 (*ashlhi3_1_lea): Ditto.
2426 (*ashlqi3_1): Ditto.
2427 (*ashlqi3_1_lea): Ditto.
2428 (*<shiftrt_insn><mode>3_1): Ditto.
2429 (*<shiftrt_insn>si3_1_zext): Ditto.
2430 (*<shiftrt_insn>qi3_1_slp): Ditto.
2431 (*<rotate_insn><mode>3_1): Ditto.
2432 (*<rotate_insn>si3_1_zext): Ditto.
2433 (*<rotate_insn>qi3_1_slp): Ditto.
2435 2010-04-13 Richard Guenther <rguenther@suse.de>
2437 * tree-ssa-structalias.c (callused_id): Remove.
2438 (call_stmt_vars): New.
2439 (get_call_vi): Likewise.
2440 (lookup_call_use_vi): Likewise.
2441 (lookup_call_clobber_vi): Likewise.
2442 (get_call_use_vi): Likewise.
2443 (get_call_clobber_vi): Likewise.
2444 (make_transitive_closure_constraints): Likewise.
2445 (handle_const_call): Adjust to do per-call call-used handling.
2446 (handle_pure_call): Likewise.
2447 (find_what_var_points_to): Remove general callused handling.
2448 (init_base_vars): Likewise.
2449 (init_alias_vars): Initialize call_stmt_vars.
2450 (compute_points_to_sets): Process call-used and call-clobbered
2451 vars for call statements.
2452 (delete_points_to_sets): Free call_stmt_vars.
2454 2010-04-13 Richard Guenther <rguenther@suse.de>
2456 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2457 Only add RW dependence for dependence distance zero.
2458 Adjust maximal vectorization factor according to dependences.
2459 Move alignment handling ...
2460 (vect_find_same_alignment_drs): ... here. New function.
2461 (vect_analyze_data_ref_dependences): Adjust.
2462 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2463 (vect_analyze_data_refs): Adjust minimal vectorization factor
2464 according to data references.
2465 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2466 dependences before determining the vectorization factor.
2467 Analyze alignment after determining the vectorization factor.
2468 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2469 dependences before alignment.
2470 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2472 (vect_analyze_data_refs): Likewise.
2473 (MAX_VECTORIZATION_FACTOR): New define.
2475 2010-04-13 Duncan Sands <baldrick@free.fr>
2477 * except.h (lang_eh_type_covers): Remove.
2478 * except.c (lang_eh_type_covers): Likewise.
2480 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2481 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2483 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2484 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2485 UNITS_PER_LONG where it is ABI relevant.
2486 (s390_return_addr_rtx): Likewise.
2487 (s390_back_chain_rtx): Likewise.
2488 (s390_frame_area): Likewise.
2489 (s390_frame_info): Likewise.
2490 (s390_initial_elimination_offset): Likewise.
2491 (save_gprs): Likewise.
2492 (s390_emit_prologue): Likewise.
2493 (s390_emit_epilogue): Likewise.
2494 (s390_function_arg_advance): Likewise.
2495 (s390_function_arg): Likewise.
2496 (s390_va_start): Likewise.
2497 (s390_gimplify_va_arg): Likewise.
2498 (s390_function_profiler): Likewise.
2499 (s390_optimize_prologue): Likewise.
2500 (s390_rtx_costs): Likewise.
2501 (s390_secondary_reload): Likewise.
2502 (s390_promote_function_mode): Likewise.
2503 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2504 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2505 registers available.
2506 (s390_unwind_word_mode): New function.
2507 (s390_function_value): Split 64 bit values into register pair if
2508 used as return value.
2509 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2510 function call parameters. Handle parallels.
2511 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2512 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2513 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2514 (s390_expand_setmem): Remove unused variable src_addr.
2515 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2516 deal with 64 bit registers.
2517 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2518 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2519 (UNITS_PER_LONG): New macro.
2520 * libjava/include/s390-signal.h: Define extended ucontext
2521 structure containing the upper halfs of the 64 bit registers.
2523 2010-04-13 Simon Baldwin <simonb@google.com>
2525 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2527 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2529 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2530 rvalue on the RHS if the LHS is of a non-renamable type.
2531 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2533 2010-04-13 Matthias Klose <doko@ubuntu.com>
2535 * gcc.c (cc1_options): Handle -iplugindir before processing
2536 the cc1 spec. Only add -iplugindir once.
2537 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2539 * common.opt (iplugindir): Remove `Separate' property, initialize.
2540 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2542 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2543 (distclean): Remove plugin dir.
2544 * doc/invoke.texi: Document -iplugindir.
2546 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2548 * doc/plugins.texi (Loading Plugins): Document short
2549 -fplugin=foo option.
2550 (Plugin API): Mention default_plugin_dir_name function.
2552 * gcc.c (find_file_spec_function): Add new declaration.
2553 (static_spec_func): Use it for "find-file".
2554 (find_file_spec_function): Add new function.
2555 (cc1_options): Add -iplugindir option if -fplugin* options found.
2557 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2559 * plugin.c (add_new_plugin): Updated comment, and handle short
2561 (default_plugin_dir_name): Added new function.
2563 * common.opt (iplugindir): New option to set the plugin directory.
2565 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2567 * config/i386/i386.md (any_rotate): New code iterator.
2568 (rotate_insn): New code attribute.
2570 (SWIM124): New mode iterator.
2571 (<rotate_insn>ti3): New expander.
2572 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2573 any_rotate code iterator.
2574 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2575 using any_rotate code iterator and SWIM124 mode iterator.
2576 (ix86_rotlti3): New insn_and_split pattern.
2577 (ix86_rotrti3): Ditto.
2578 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2579 ix86_rotl{di,ti}3 patterns.
2580 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2581 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2582 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2583 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2584 code iterator and SWI mode iterator.
2585 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2586 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2588 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2589 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2590 (bswap rotatert splitter): Add splitter.
2591 (bswap splitter): Macroize splitter using any_rotate code iterator.
2592 Add insn predicate to split only for TARGET_USE_XCHGB or when
2593 optimizing function for size.
2595 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2597 * config/pa/pa.c (emit_move_sequence): Remove use of
2598 deleted variable flag_argument_noalias.
2600 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2602 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2604 Add to unsupported targets list.
2605 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2606 sparc*-sun-solaris2.[567]* from target lists.
2607 * configure: Regenerate.
2608 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2610 Remove Solaris 7 patch references.
2611 (Specific, sparc-sun-solaris2.7): Removed.
2612 (sparc-sun-solaris2*): Update Solaris 7 example.
2613 (sparc64-*-solaris2*): Likewise.
2615 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2617 * config.build (alpha*-dec-osf4*): Remove.
2618 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2619 of obsolete configurations.
2620 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2622 * config/alpha/t-osf4: Renamed to ...
2623 * config/alpha/t-osf5: ... this.
2624 * config/alpha/osf.h: Renamed to ...
2625 * config/alpha/osf5.h: ... this.
2626 Merged old osf5.h contents.
2628 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2629 (EXTRA_SPECS): Removed.
2630 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2631 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2634 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2636 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2638 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2641 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2642 __thiscall convention.
2644 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2646 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2648 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2650 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2652 * function.c (assign_parms_initialize_all): Add unused attribute
2655 2010-04-12 Richard Guenther <rguenther@suse.de>
2657 * gsstruct.def (GSS_CALL): New.
2658 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2659 * gimple.h: Include tree-ssa-alias.h.
2660 (struct gimple_statement_call): New.
2661 (union gimple_statement_struct_d): Add gimple_call member.
2662 (gimple_call_reset_alias_info): Declare.
2663 (gimple_call_use_set): New function.
2664 (gimple_call_clobber_set): Likewise.
2665 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2666 * gimple.c (gimple_call_reset_alias_info): New function.
2667 (gimple_build_call_1): Call it.
2668 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2669 * tree-inline.c (remap_gimple_stmt): Likewise.
2670 (expand_call_inline): Remove callused handling.
2671 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2672 * tree-dfa.c (dump_variable): Likewise.
2673 * tree-parloops.c (parallelize_loops): Likewise.
2674 * tree-ssa.c (init_tree_ssa): Likewise.
2675 (delete_tree_ssa): Likewise.
2676 * tree-flow-inline.h (is_call_used): Remove.
2677 * tree-flow.h (struct gimple_df): Remove callused member.
2678 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2679 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2680 (ref_maybe_used_by_call_p_1): Simplify.
2681 (call_may_clobber_ref_p_1): Likewise.
2682 * tree-ssa-structalias.c (compute_points_to_sets): Set
2683 the call stmt used and clobbered sets.
2684 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2685 (find_tail_calls): Verify the tail call.
2687 2010-04-12 Richard Guenther <rguenther@suse.de>
2689 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2690 single-iteration always-inline inlining.
2691 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2692 (cgraph_decide_inlining): Do not handle always-inline specially.
2693 (try_inline): Remove always-inline cycle detection special case.
2694 Do not recurse on always-inlines.
2695 (cgraph_early_inlining): Do not iterate if not optimizing.
2696 (cgraph_gate_early_inlining): remove.
2697 (pass_early_inline): Run unconditionally.
2698 (gate_cgraph_decide_inlining): New function.
2699 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2700 not inlining or optimizing.
2701 (cgraph_decide_inlining_of_small_functions): Also consider
2702 always-inline functions.
2703 (cgraph_default_inline_p): Return true for nodes which should
2704 disregard inline limits.
2705 (estimate_function_body_sizes): Assume zero size and time for
2706 nodes which are marked as disregarding inline limits.
2707 (cgraph_decide_recursive_inlining): Do not perform recursive
2708 inlining on always-inline nodes.
2710 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2713 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2714 for exprs satisfying handled_component_p.
2716 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2718 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2719 non-constant aggregate elements.
2721 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2722 is a real initialization.
2724 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2727 * c-decl.c (start_function): Move forward check for nested function.
2729 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2731 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2732 * config/sh/sh.c: Include reload.h.
2733 (sh_legitimize_reload_address): New.
2734 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2735 sh_legitimize_reload_address.
2737 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2739 * config/sh/sh.md (*movqi_pop): New insn pattern.
2740 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2742 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2744 * config/i386/i386.md (any_shiftrt): New code iterator.
2745 (shiftrt_insn): New code attribute.
2747 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2748 using any_shiftrt code iterator.
2749 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2750 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2751 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2752 pattern from corresponding peephole2 patterns.
2753 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2754 using any_shiftrt code iterator.
2755 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2756 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2757 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2758 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2759 *{ashr,lshr}<mode>3_cmp_zext.
2760 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2762 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2764 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2766 (*lshr<mode>3_cconly): Ditto.
2768 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2770 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2771 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2772 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2773 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2775 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2776 from corresponding peephole2 patterns.
2777 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2778 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2779 and *lshrdi3_1_rex64 using SWI mode iterator.
2780 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2781 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2782 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2783 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2784 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2785 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2786 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2787 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2788 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2791 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2793 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2794 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2795 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2796 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2798 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2799 from corresponding peephole2 patterns.
2800 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2801 (ashrsi3_cvt): Rename from ashrsi3_31.
2802 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2803 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2804 and x86_64_shift_adj_3 using SWI48 mode iterator.
2805 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2806 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2807 and *ashrdi3_1_rex64 using SWI mode iterator.
2808 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2809 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2810 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2811 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2812 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2813 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2814 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2815 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2816 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2818 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2819 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2820 x86_shift<mode>_adj_3 expanders.
2822 2010-04-10 Wei Guozhi <carrot@google.com>
2825 * config/arm/arm.c (arm_pic_static_addr): New function.
2826 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2828 (arm_output_addr_const_extra): Output expression for new pattern.
2829 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2831 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2833 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2836 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2837 * web.c: Include "insn-config.h" and "recog.h".
2838 (union_match_dups): New function.
2839 (web_main): Call it.
2840 (union_defs): Don't try to recognize match_dups.
2842 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2843 if doing so would replace the entire pattern.
2845 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2849 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2850 and splitter pattern. Change splitter operand 1 predicate to
2853 2010-04-09 Martin Jambor <mjambor@suse.cz>
2855 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2856 lattices are addresses of CONST_DECLs with the same initial value.
2857 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2858 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2860 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2861 Bernd Schmidt <bernds@codesourcery.com>
2863 * loop-invariant.c (replace_uses): New static function.
2864 (move_invariant_reg): Use it to ensure we can replace the uses.
2866 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2868 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2870 (picochip_override_options): Enable section anchors only above -O1.
2871 (picochip_reorg): Fixed a couple of build warnings.
2873 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2875 * configure.ac (plugin -rdynamic test): Log result.
2876 * configure: Regenerate.
2877 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2878 (RDYNAMIC_SPEC): Define.
2879 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2881 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2883 * configure.ac: Determine Sun ld version numbers.
2884 (comdat_group): Restrict GNU ld version checks to gld.
2885 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2886 (enable_comdat): Support --enable-comdat.
2887 * configure: Regenerate.
2888 * doc/install.texi (Configuration): Document --enable-comdat.
2890 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2892 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2893 * config/sol2-gld.h: ... here.
2894 * config.gcc (sparc*-*-solaris2*): Reflect this.
2895 (i[34567]86-*-solaris2*): Use it.
2897 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2899 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2901 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2903 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2906 * diagnostic.c (diagnostic_initialize): Initialize
2907 some_warnings_are_errors.
2908 (diagnostic_finish): New.
2909 (diagnostic_action_after_output): Call it before exiting.
2910 (diagnostic_report_diagnostic): Do not print message here. Set
2911 some_warnings_are_errors.
2912 * diagnostic.h (diagnostic_context): Delete
2913 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2914 (diagnostic_finish): Declare.
2915 * toplev.c (toplev_main): Call it before exit.
2917 2010-04-09 Jason Merrill <jason@redhat.com>
2920 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2921 for incomplete type.
2924 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2925 based on a warning flag.
2927 2010-04-09 Richard Guenther <rguenther@suse.de>
2929 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2931 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2934 * varasm.c (default_assemble_visibility): Wrap vars that are
2935 set, but unused, by targets without GAS.
2936 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2937 Remove set, but unused, vars.
2938 (rs6000_legitimize_tls_address): Likewise.
2939 (altivec_expand_dst_builtin): Likewise.
2940 * config/darwin.c (machopic_classify_symbol): Likewise.
2941 (machopic_indirection_name): Likewise.
2943 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2945 * config/i386/i386.md (DWI): New mode iterator.
2946 (S): New mode attribute.
2947 (shift_operand): Ditto.
2948 (shift_immediate_operand): Ditto.
2949 (ashl_input_operand): Ditto.
2950 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2951 using SDWIM mode iterator.
2952 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2953 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2955 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2956 from corresponding peephole2 patterns.
2957 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2958 and x86_64_shift_adj_1 using SWI48 mode iterator.
2959 (x86_shift<mode>_adj_2): Ditto.
2960 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2961 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2962 using SWI48 mode iterator.
2963 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2964 *ashldi3_cmp_rex64 using SWI mode iterator.
2965 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2966 *ashldi3_cconly_rex64 using SWI mode iterator.
2967 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2968 x86_shift<mode>_adj_{1,2}.
2969 (ix86_split_ashr): Ditto.
2970 (ix86_split_lshr): Ditto.
2972 2010-04-09 Richard Guenther <rguenther@suse.de>
2974 * target.h (builtin_conversion): Pass in input and output types.
2975 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2976 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2977 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2978 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2980 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2982 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2984 2010-04-09 Richard Guenther <rguenther@suse.de>
2987 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2989 2010-04-09 Richard Guenther <rguenther@suse.de>
2991 * tree-vectorizer.h (struct _stmt_vec_info): Document
2992 that vectype is the type of the LHS.
2993 (supportable_widening_operation, supportable_narrowing_operation):
2994 Get both input and output vector types as arguments.
2995 (vect_is_simple_use_1): Declare.
2996 (get_same_sized_vectype): Likewise.
2997 * tree-vect-loop.c (vect_determine_vectorization_factor):
2998 Set STMT_VINFO_VECTYPE to the vector type of the def.
2999 (vectorizable_reduction): Adjust.
3000 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3001 Adjust. Specify the output vector type.
3002 (vect_pattern_recog_1): Adjust.
3003 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3004 (vectorizable_call): Adjust.
3005 (vectorizable_conversion): Likewise.
3006 (vectorizable_operation): Likewise.
3007 (vectorizable_type_demotion): Likewise.
3008 (vectorizable_type_promotion): Likewise.
3009 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3011 (vect_is_simple_use_1): New function.
3012 (supportable_widening_operation): Get both input and output
3014 (supportable_narrowing_operation): Likewise.
3015 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3017 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3019 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3020 __thiscall and _thiscall as predefined macros.
3021 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3022 thiscall attribute handling.
3023 (ix86_comp_type_attributes): Likewise.
3024 (ix86_function_regparm): Likewise.
3025 (ix86_return_pops_args): Likewise.
3026 (init_cumulative_args): Likewise.
3027 (find_drap_reg): Likewise.
3028 (ix86_static_chain): Likewise.
3029 (x86_this_parameter): Likewise.
3030 (x86_output_mi_thunk): Likewise.
3031 (ix86_attribute_table): Add description for thiscall attribute.
3032 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3033 * doc/extend.texi: Add documentation for thiscall.
3035 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3038 * c.opt (Wint-to-pointer-cast): Available in C++.
3039 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3041 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3043 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3044 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3045 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3046 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3047 function type instead. Reorder and simplify checks.
3049 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3051 2010-04-08 Jing Yu <jingyu@google.com>
3052 Zdenek Dvorak <ook@ucw.cz>
3054 PR tree-optimization/42720
3055 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3056 loop unswitch conditions here from ...
3057 (tree_unswitch_single_loop): ... here.
3059 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3061 * tree-if-conv.c: Fix comments and simplify logic.
3063 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3065 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3066 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3067 (main_tree_if_conversion): Update call to tree_if_conversion.
3069 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3072 * doc/invoke.texi (-b,-V): Delete.
3073 * doc/tm.texi: Do not mention -b.
3074 * gcc.c (display_help): Delete -b and -V.
3075 (process_command): Delete -b and -V.
3076 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3078 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3079 Wolfgang Gellerich <gellerich@de.ibm.com>
3081 Implement target hook for loop unrolling
3082 * target.h (loop_unroll_adjust): Add a new target hook function.
3083 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3084 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3085 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3086 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3087 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3089 (decide_unroll_stupid): Likewise.
3091 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3094 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3096 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3098 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3099 (Specific, *-*-solaris2*): Likewise.
3100 Don't prefer Sun as over GNU as.
3102 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3104 * config/s390/s390.c (override_options): Adjust the z10
3105 defaults for max-unroll-times, max-completely-peeled-insns
3106 and max-completely-peel-times.
3108 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3110 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3111 instructions for z10.
3112 (s390_expand_setmem): Likewise.
3113 (s390_expand_cmpmem): Likewise.
3115 2010-04-08 Richard Guenther <rguenther@suse.de>
3117 PR tree-optimization/43679
3118 * tree-ssa-pre.c (eliminate): Only propagate copies.
3120 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3123 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3124 set but not used variable warning.
3126 2010-04-08 Wei Guozhi <carrot@google.com>
3129 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3130 (arm_size_rtx_costs): Call the new function when optimized for size.
3132 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3135 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3136 op0 is not a MEM, just return NULL instead of assertion
3138 (discover_nonconstant_array_refs): Don't walk debug stmts.
3140 2010-04-08 Doug Kwan <dougkwan@google.com>
3142 * configure.ac: Recognize gold and do not use its version number
3143 to test ld features.
3144 * configure: Regenerate.
3146 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3149 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3150 (negate_value): Move code to push elements to broken_up_substracts ...
3151 (eliminate_plus_minus_pair): ... here. Push operands that have no
3152 negative pair to plus_negates.
3153 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3155 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3157 * doc/install.texi (Configuration): Move description of
3158 --enable-lto, --with-libelf*, --enable-gold from Java section to
3161 * doc/generic.texi (Working with declarations)
3162 (Function Properties, C and C++ Trees): Fix typos.
3163 * doc/sourcebuild.texi (Top Level): Likewise.
3165 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3168 * tree.h (DECL_READ_P): Define.
3169 (struct tree_decl_common): Add decl_read_flag.
3170 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3171 a set but not used warning.
3172 (merge_decls): Merge DECL_READ_P flag.
3173 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3174 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3175 * c-common.c (handle_used_attribute, handle_unused_attribute):
3177 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3179 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3181 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3182 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3183 c_parser_binary_expression, c_parser_cast_expression,
3184 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3185 Call default_function_array_read_conversion instead of
3186 default_function_array_conversion where needed.
3187 (c_parser_unary_expression, c_parser_conditional_expression,
3188 c_parser_postfix_expression_after_primary, c_parser_initelt):
3189 Likewise. Call mark_exp_read where needed.
3190 (c_parser_statement_after_labels, c_parser_asm_operands,
3191 c_parser_typeof_specifier, c_parser_sizeof_expression,
3192 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3194 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3196 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3197 (warn_unused_but_set_parameter): Default to warn_unused
3199 * doc/invoke.texi: Document -Wunused-but-set-variable and
3200 -Wunused-but-set-parameter.
3202 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3203 used count variable.
3204 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3205 when operandN variables aren't used in the body of the expander
3207 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3208 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3209 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3210 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3211 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3212 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3213 * tree.c (PROCESS_ARG): Likewise.
3215 2010-04-07 Simon Baldwin <simonb@google.com>
3217 * diagnostic.h (diagnostic_override_option_index): New macro to
3218 set a diagnostic's option_index.
3219 * c-tree.h (c_cpp_error): Add warning reason argument.
3220 * opts.c (_warning_as_error_callback): New.
3221 (register_warning_as_error_callback): Store callback for
3222 warnings enabled via enable_warning_as_error.
3223 (enable_warning_as_error): Call callback, minor code tidy.
3224 * opts.h (register_warning_as_error_callback): Declare.
3225 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3226 response to -Werror=.
3227 (c_common_init_options): Register warning_as_error_callback in opts.c.
3228 * common.opt: Add -Wno-cpp option.
3229 * c-common.c (struct reason_option_codes_t): Map cpp warning
3230 reason codes to gcc option indexes.
3231 * (c_option_controlling_cpp_error): New function, lookup the gcc
3232 option index for a cpp warning reason code.
3233 * (c_cpp_error): Add warning reason argument, call
3234 c_option_controlling_cpp_error for diagnostic_override_option_index.
3235 * doc/invoke.texi: Document -Wno-cpp.
3237 2010-04-07 Richard Guenther <rguenther@suse.de>
3239 * ipa-reference.c (mark_load): Use get_base_address.
3240 (mark_store): Likewise.
3242 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3243 inserting GIMPLE_NOPs into the IL.
3244 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3245 Explicitly strip handled components and indirect references.
3247 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3248 folding address expressions.
3249 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3250 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3251 operand_equal_p to compare decls.
3252 (ptr_deref_may_alias_decl_p): Likewise.
3253 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3254 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3255 Handle reversed comparison ops.
3256 * tree-sra.c (asm_visit_addr): Use get_base_address.
3257 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3258 * ipa-reference.c (mark_address): Use get_base_address.
3260 2010-04-07 Richard Guenther <rguenther@suse.de>
3262 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3263 Propagate constants everywhere.
3265 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3268 * tree.c (MAX_INT_CACHED_PREC): Define.
3269 (nonstandard_integer_type_cache): New array.
3270 (build_nonstandard_integer_type): Cache results for precision
3271 <= MAX_INT_CACHED_PREC.
3273 2010-04-07 Richard Guenther <rguenther@suse.de>
3275 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3276 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3277 * common.opt: Likewise.
3278 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3279 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3280 (nonoverlapping_memrefs_p): Likewise.
3281 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3282 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3283 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3284 OPT_fargument_noalias_global for backward compatibility.
3286 2010-04-07 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/43270
3289 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3290 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3291 * tree-ssa-pre.c (phi_translate_1): Adjust.
3292 (fully_constant_expression): Split out vn_reference handling to ...
3293 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3294 Fold reads from constant strings.
3295 (vn_reference_lookup): Handle fully constant references.
3296 (vn_reference_lookup_pieces): Likewise.
3297 * Makefile.in (expmed.o-warn): Add -Wno-error.
3299 2010-04-07 Martin Jambor <mjambor@suse.cz>
3301 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3303 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3306 * gcc.c: Add -static-libstdc++ to list of recognized options.
3308 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3310 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3312 2010-04-07 Richard Guenther <rguenther@suse.de>
3315 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3316 bases build simple mem attributes to retain points-to information.
3318 2010-04-07 Richard Guenther <rguenther@suse.de>
3321 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3322 preserve points-to related information.
3324 2010-04-07 Richard Guenther <rguenther@suse.de>
3327 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3328 discard plain indirect references.
3329 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3330 * tree.c (tree_nop_conversion): Likewise.
3332 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3335 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3337 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3339 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3340 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3342 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3344 * tree-if-conv.c: Fix indentation and comments.
3346 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3348 * tree-if-conv.c: Sort static functions in topological order.
3350 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3352 * tree-if-conv.c: Fix indentation and comments.
3354 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3357 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3358 lang_hooks.types.type_for_size instead of
3359 build_nonstandard_integer_type.
3360 When converting an unsigned type to signed, double its precision.
3361 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3362 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3363 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3366 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3369 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3370 POINTER_PLUS_EXPR for pointer types.
3372 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3375 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3376 * graphite-clast-to-gimple.c: Include langhooks.h.
3377 (max_signed_precision_type): New.
3378 (max_precision_type): Takes two types as arguments.
3379 (precision_for_value): New.
3380 (precision_for_interval): New.
3381 (gcc_type_for_interval): New.
3382 (gcc_type_for_value): New.
3383 (gcc_type_for_clast_term): New.
3384 (gcc_type_for_clast_red): New.
3385 (gcc_type_for_clast_bin): New.
3386 (gcc_type_for_clast_expr): Split up into several functions.
3387 (gcc_type_for_clast_eq): Rewritten.
3388 (compute_bounds_for_level): New.
3389 (compute_type_for_level_1): New.
3390 (compute_type_for_level): New.
3391 (gcc_type_for_cloog_iv): Removed.
3392 (gcc_type_for_iv_of_clast_loop): Rewritten.
3393 (graphite_create_new_loop): Compute the lower and upper bound types
3394 with gcc_type_for_clast_expr.
3395 (graphite_create_new_loop_guard): Same.
3396 (find_cloog_iv_in_expr): Removed.
3397 (compute_cloog_iv_types_1): Removed.
3398 (compute_cloog_iv_types): Removed.
3399 (gloog): Do not call compute_cloog_iv_types.
3400 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3402 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3403 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3404 (GBB_CLOOG_IV_TYPES): Removed.
3406 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3408 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3409 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3410 (detect_commutative_reduction): Same.
3412 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3414 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3415 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3417 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3418 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3419 (rewrite_commutative_reductions_out_of_ssa): Same.
3420 * passes.c (execute_function_todo): Call verify_ssa for every pass
3421 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3422 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3423 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3424 with an extra argument.
3425 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3426 verify_ssa only when the extra argument is true.
3427 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3428 with an extra argument.
3429 (tree_transform_and_unroll_loop): Same.
3431 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3433 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3434 for all the passes of the LNO having LOOP_CLOSED_SSA.
3435 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3436 * tree-loop-distribution.c (pass_loop_distribution): Same.
3437 * tree-pass.h (TODO_verify_loops): Removed.
3438 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3440 (pass_tree_unswitch): Same.
3441 (pass_predcom): Same.
3442 (pass_vectorize): Same.
3443 (pass_linear_transform): Same.
3444 (pass_graphite_transforms): Same.
3445 (pass_iv_canon): Same.
3446 (pass_complete_unroll): Same.
3447 (pass_complete_unrolli): Same.
3448 (pass_parallelize_loops): Same.
3449 (pass_loop_prefetch): Same.
3450 (pass_iv_optimize): Same.
3452 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3455 * passes.c (init_optimization_passes): Move pass_lim before
3456 pass_copy_prop and pass_dce_loop.
3458 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3461 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3462 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3463 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3464 MULTI_* defines for 4 argument vpermil2p* builtins.
3466 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3468 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3469 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3470 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3471 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3472 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3473 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3474 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3475 Use x86_maybe_negate_const_int to output insn mnemonic.
3476 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3477 check from instruction predicate. Update comments.
3478 * config/i386/sync.md (sync_add<mode>): Use
3479 x86_maybe_negate_const_int to output insn mnemonic.
3481 2010-04-06 Jan Hubicka <jh@suse.cz>
3483 PR tree-optimization/42906
3484 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3485 IGNORE_SELF argument. Set visited_control_parents for fully
3487 (find_obviously_necessary_stmts): Update call of
3488 mark_control_dependent_edges_necessary.
3489 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3491 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3493 * config/i386/i386.md: Remove comment about 'e' and 'E'
3496 2010-04-06 Richard Guenther <rguenther@suse.de>
3498 PR tree-optimization/43627
3499 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3500 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3503 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3505 * BASE-VER: Change to 4.6.0.
3508 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3511 2010-04-06 Richard Guenther <rguenther@suse.de>
3514 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3516 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3518 * doc/invoke.texi (Optimize Options): Document that LTO
3519 won't remove object access purely due to incompatible
3522 2010-04-04 Matthias Klose <doko@ubuntu.com>
3524 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3525 Initialize variable.
3527 2010-04-03 Richard Guenther <rguenther@suse.de>
3530 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3531 require a non-NULL MEM_OFFSET.
3533 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3535 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3536 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3537 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3538 config/alpha/predicates.md, config/arm/arm.md,
3539 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3540 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3541 config/darwin9.h, config/darwin.c, config/darwin.h,
3542 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3543 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3544 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3545 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3546 config/mips/mips.md, config/mn10300/mn10300.c,
3547 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3548 config/rs6000/aix.h, config/rs6000/dfp.md,
3549 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3550 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3551 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3552 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3553 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3554 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3555 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3556 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3557 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3558 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3559 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3560 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3561 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3562 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3563 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3564 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3565 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3566 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3567 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3568 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3569 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3570 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3571 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3572 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3573 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3574 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3575 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3576 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3577 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3578 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3579 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3580 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3581 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3582 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3583 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3584 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3586 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3589 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3590 * aclocal.m4: Regenerate.
3592 2010-04-02 Richard Guenther <rguenther@suse.de>
3594 PR tree-optimization/43629
3595 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3596 if we have seen a constant value.
3598 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3600 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3602 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3605 * arm.c (legitimize_tls_address): Adjust call to
3606 gen_tls_load_dot_plus_four.
3607 (arm_note_pic_base): New function.
3608 (arm_cannot_copy_insn_p): Use it.
3609 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3612 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3617 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3619 * Makefile.in ($(out_object_file)): Depend on
3620 gt-$(basename $(notdir $(out_file))).h.
3622 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3624 * config.gcc (lm32-*-rtems*): Add t-lm32.
3626 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3628 * config.gcc: Add lm32-*-rtems*.
3629 * config/lm32/rtems.h: New file.
3631 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3634 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3636 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3638 * dwarf2out.c (output_compilation_unit_header): For
3639 -gdwarf-4 use version 4 instead of version 3.
3640 (output_line_info): For version 4 and above emit additional
3641 maximum ops per insn header field.
3642 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3644 * dwarf2out.c (is_c_family, is_java): Remove.
3645 (lower_bound_default): New function.
3646 (add_bound_info, gen_descr_array_type_die): Use it.
3648 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3651 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3652 re-declaration when it happens in a function.
3654 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3656 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3657 (cgraph_remove_function_insertion_hook): Same.
3658 (cgraph_call_function_insertion_hooks): Same.
3660 2010-04-01 Richard Guenther <rguenther@suse.de>
3663 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3664 and TREE_THIS_VOLATILE.
3665 (copy_ref_info): Likewise.
3666 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3667 * tree.c (build6_stat): Ignore side-effects of all but arg5
3668 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3671 2010-04-01 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/43607
3674 * ipa-type-escape.c (check_call): Do not access non-existing
3677 2010-04-01 Richard Guenther <rguenther@suse.de>
3681 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3682 Jack Howarth <howarth@bromo.med.uc.edu>
3684 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3687 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3689 * doc/install.texi (Prerequisites): Document libelf usability on
3690 IRIX 5/6 and Solaris 2.
3691 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3692 Update GNU as, GNU ld requirements.
3693 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3694 Document Sun Studio compiler download.
3695 Update and simplify as, ld recommendations.
3696 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3698 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3700 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3701 with_tune_32 to pentium4.
3703 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3705 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3707 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3709 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3710 obsoletion, removal.
3712 Document GNU as requirement.
3713 Update configure requirements.
3714 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3715 Recomment IRIX 6.5.18+.
3716 Document IDF/IDL requirement.
3717 Document GNU as requirement.
3718 Document GNU ld bootstrap failure.
3719 Remove freeware.sgi.com reference.
3721 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3723 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3724 UNIX V4.0, V5.0 obsoletion, removal.
3725 Remove --with-gc=simple reference.
3726 Update VM requirements during bootstrap.
3727 Remove -oldas bootstrap description.
3728 Update binutils reference.
3729 Remove comparison failure note.
3731 2010-03-31 Richard Guenther <rguenther@suse.de>
3732 Zdenek Dvorak <ook@ucw.cz>
3733 Sebastian Pop <sebastian.pop@amd.com>
3736 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3737 with multiple arguments.
3738 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3740 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3742 * graphite-dependences.c (print_pddr): Call print_pdr with an
3744 * graphite-poly.c (debug_pdr): Add an extra argument for the
3747 (print_pbb_domain): Same.
3749 (print_scop_context): Same.
3751 (print_cloog): Same.
3752 (debug_pbb_domain): Same.
3756 (debug_scop_context): Same.
3758 (debug_cloog): Same.
3759 (print_scop_params): Same.
3760 (debug_scop_params): Same.
3761 (print_iteration_domain): Same.
3762 (print_iteration_domains): Same.
3763 (debug_iteration_domain): Same.
3764 (debug_iteration_domains): Same.
3765 (print_scattering_function): Same.
3766 (print_scattering_functions): Same.
3767 (debug_scattering_function): Same.
3768 (debug_scattering_functions): Same.
3769 * graphite-poly.h (debug_pdr): Update declaration.
3771 (print_pbb_domain): Same.
3773 (print_scop_context): Same.
3775 (print_cloog): Same.
3776 (debug_pbb_domain): Same.
3780 (debug_scop_context): Same.
3782 (debug_cloog): Same.
3783 (print_scop_params): Same.
3784 (debug_scop_params): Same.
3785 (print_iteration_domain): Same.
3786 (print_iteration_domains): Same.
3787 (debug_iteration_domain): Same.
3788 (debug_iteration_domains): Same.
3789 (print_scattering_function): Same.
3790 (print_scattering_functions): Same.
3791 (debug_scattering_function): Same.
3792 (debug_scattering_functions): Same.
3794 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3796 * graphite-poly.c (print_scattering_function_1): New.
3797 (print_scattering_function): Call it.
3798 (print_scop_params): Remove spaces at the end of lines.
3801 * graphite-poly.h (print_cloog): Declared.
3802 (debug_cloog): Declared.
3804 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3806 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3808 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3809 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3810 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3811 to switch between adding the IV bump in loop->latch or in loop->header.
3813 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3815 * graphite-poly.c (print_scattering_function): Pretty print following
3818 (print_pbb_domain): Same.
3819 (dump_gbb_cases): Same.
3820 (dump_gbb_conditions): Same.
3823 (print_scop_params): Same.
3824 (print_scop_context): Same.
3826 (print_pbb_body): New.
3827 (lst_indent_to): New.
3828 (print_lst): Start new lines with a #.
3829 * graphite-poly.h (pbb_bb): New.
3830 (pbb_index): Use pbb_bb.
3831 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3833 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3835 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3837 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3838 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3839 and 0 instead of 1 for dw_val_class_flag.
3840 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3841 dw_val_class_range_list, dw_val_class_loc_list,
3842 dw_val_class_lineptr and dw_val_class_macptr, use
3843 DW_FORM_flag_present for dw_val_class_flag and
3844 DW_FORM_exprloc for dw_val_class_loc.
3845 (output_die): For -gdwarf-4 print dw_val_class_loc
3846 size as uleb128 instead of 1 or 2 bytes and don't print
3847 anything for dw_val_class_flag.
3849 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3850 instead of cselib_lookup following by tweaking locs->setting_insn.
3853 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3854 even before returning from label, setjmp call or volatile asm
3857 2010-03-31 Richard Guenther <rguenther@suse.de>
3860 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3861 temporary data on stack.
3863 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3865 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3866 (PUSHSECTION_ASM_OP): Remove.
3867 (POPSECTION_ASM_OP): Remove.
3868 (PUSHSECTION_FORMAT): Remove.
3869 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3870 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3871 * config/sol2.c (solaris_output_init_fini): Use it.
3873 2010-03-31 Jie Zhang <jie@codesourcery.com>
3876 * opt-functions.awk (var_type_struct): Use signed char type
3877 for simple variables.
3879 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3881 * config/sol2.c: Include output.h.
3882 (solaris_assemble_visibility): New function.
3883 * config/t-sol2 (sol2.o): Add output.h dependency.
3884 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3885 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3888 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3891 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3892 V2SImode or XFmode on PRE_DEC.
3895 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3898 2010-03-31 Jie Zhang <jie@codesourcery.com>
3901 * reload.h (caller_save_initialized_p): Declare.
3902 * toplev.c (backend_init_target): Don't call
3903 init_caller_save but set caller_save_initialized_p to false.
3904 * caller-save.c (caller_save_initialized_p): Define.
3905 (init_caller_save): Check caller_save_initialized_p.
3906 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3908 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3911 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3912 and soft-fp/t-softfp to tmake_file.
3913 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3914 (LIBGCC2_TF_CEXT): Define.
3917 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3920 * cselib.c (n_useless_values): Document handling of debug locs.
3921 (n_useless_debug_values, n_debug_values): New variables.
3922 (new_elt_loc_list): Don't add to debug values, keep count.
3923 (promote_debug_loc): New.
3924 (cselib_reset_table): Zero new variables.
3925 (entry_and_rtx_equal_p): Promote debug locs.
3926 (discard_useless_locs): Increment n_useless_debug_values for
3928 (remove_useless_values): Adjust n_useless_values and n_debug_values
3929 with n_useless_debug_values.
3930 (add_mem_for_addr): Promote debug locs.
3931 (cselib_lookup_mem): Likewise.
3932 (cselib_lookup_addr): Renamed to...
3933 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3934 (cselib_log_lookup): ... this. Turn into...
3935 (cselib_lookup_addr): ... new wrapper.
3936 (cselib_lookup_from_insn): New.
3937 (cselib_invalidate_regno): Increment n_useless_debug_values for
3939 (cselib_invalidate_mem): Likewise.
3940 (cselib_process_insn): Take n_deleted and n_debug_values into
3941 account to guard remove_useless_value call.
3942 (cselib_finish): Zero n_useless_debug_values.
3943 * cselib.h (cselib_lookup_from_insn): Declare.
3944 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3945 (sched_analyze_2): Likewise.
3947 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3949 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3951 (adjust_mems): Replace narrowing SUBREG of expression containing
3952 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3953 with operations in the narrower mode.
3956 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3957 regs_invalidated_by_call instead all call_used_reg_set registers.
3959 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3962 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3963 pointer comparisons with types_compatible_p.
3964 * tree-vect-stmts.c (vectorizable_call): Same.
3965 (vectorizable_condition): Same.
3967 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3969 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3970 stack check if the mask would be zero.
3972 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3973 Jack Howarth <howarth@bromo.med.uc.edu>
3975 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3978 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3981 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3983 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3984 Include ___unordxf2 and ___unordtf2.
3985 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3988 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3990 * config/lm32/t-lm32: New file.
3991 * config.gcc: Use the above file when targetting lm32.
3993 2010-03-28 Duncan Sands <baldrick@free.fr>
3995 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3997 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4000 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4001 Improve vectorization cost model diagnostic.
4003 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4006 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4007 compute_data_dependences_for_loop returns false, early exit
4008 and output an extra diagnostic for the failed data reference
4011 2010-03-29 Richard Guenther <rguenther@suse.de>
4013 PR tree-optimization/43560
4014 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4015 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4017 2010-03-29 Jie Zhang <jie@codesourcery.com>
4020 * toplev.c (process_options): Set optimization_default_node
4021 and optimization_current_node.
4022 * opts.c (decode_options): Don't set optimization_default_node
4023 and optimization_current_node.
4025 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4027 * config/rtems.h: Abandon -qrtems_debug.
4029 2010-03-28 Jan Hubicka <jh@suse.cz>
4031 PR tree-optimization/43505
4032 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4033 map should not be copied.
4035 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4038 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4039 cdtors, set DECL_PRESERVE_P.
4040 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4043 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4045 PR tree-optimization/43528
4046 * stor-layout.c (place_field): Check that constant fits into
4047 unsigned HWI when skipping calculation of MS bitfield layout.
4049 2010-03-27 Jan Hubicka <jh@suse.cz>
4052 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4053 notice_global_symbol work.
4055 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4057 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4058 instead of dwarf2out_decl.
4059 (struct var_loc_node): Remove section_label field.
4060 (dwarf2out_function_decl): New function.
4061 (dwarf2out_var_location): Don't set section_label field.
4062 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4064 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4066 PR tree-optimization/43544
4067 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4068 First argument for builtin vectorized function hook is now a
4069 tree to be able to distinguish between machine specific and
4071 * targhooks.c (default_builtin_vectorized_function): Ditto.
4072 * targhooks.h (default_builtin_vectorized_function): Ditto.
4073 * target.h (struct gcc_target): Ditto.
4074 * tree-vect-stmts.c (vectorizable_function): Ditto.
4075 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4076 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4079 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4082 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4083 nested binding iff it is a FUNCTION_DECL.
4084 (store_parm_decls_newstyle): Pass nested=true to bind for
4085 FUNCTION_DECLs amongst parameters.
4087 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4089 * var-tracking.c (vt_expand_loc_callback): Don't run
4090 cselib_expand_value_rtx_cb in dummy mode if
4091 cselib_dummy_expand_value_rtx_cb returned false.
4093 * var-tracking.c (emit_note_insn_var_location): For one part
4094 notes with offset 0, don't add EXPR_LIST around the location.
4095 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4096 add_location_or_const_value_attribute): Adjust for that change.
4099 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4100 into first operand and location into second.
4101 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4102 dw_cfi_oprnd_loc for DW_CFA_expression.
4103 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4104 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4105 assume first argument is regnum and second argument is location.
4107 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4110 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4111 of scratch register to DImode. Split to DImode comparison operator.
4112 Use SImode subreg of scratch register in the multiplication.
4113 (*cmp_sadd_sidi): Ditto.
4114 (*cmp_ssub_si): Ditto.
4115 (*cmp_ssub_sidi): Ditto.
4117 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4120 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4121 Remove invalid assert and wrong comment.
4123 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4126 * flags.h (final_insns_dump_p): New extern.
4127 * final.c (final_insns_dump_p): New variable.
4128 (rest_of_clean_state): Set it before -fdump-final-insns=
4129 dumping, clear afterwards.
4130 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4131 MEM_ALIAS_SET on MEMs.
4133 2010-03-26 David S. Miller <davem@davemloft.net>
4135 * configure.ac: Fix sparc GOTDATA_OP bug check.
4136 * configure: Rebuild.
4138 2010-03-26 Alan Modra <amodra@gmail.com>
4140 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4142 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4144 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4145 TLS_SECTION_ASM_FLAG.
4147 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4150 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4151 Clear first_function_block_is_cold.
4154 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4155 argument if the argument is truth_value_p.
4157 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4159 * config/rs6000/constraints.md: Update copyright year for my changes.
4162 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4163 used in reg+reg addressing, swap registers.
4165 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4168 * target.h (struct gcc_target): Add code_end hook.
4169 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4171 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4172 * toplev.c (compile_file): Call targetm.asm_out.code_end
4173 hook before unwind info/debug info output.
4174 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4175 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4176 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4177 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4178 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4179 * config/i386/i386.c (ix86_file_end): Renamed to...
4180 (ix86_code_end): ... this. Make static. Don't call
4181 file_end_indicate_exec_stack. Emit unwind info using
4182 final_start_function/final_end_function.
4183 (darwin_x86_file_end): Remove.
4184 (TARGET_ASM_CODE_END): Define.
4185 * config/i386/i386.h (TARGET_ASM_FILE_END,
4186 NEED_INDICATE_EXEC_STACK): Don't define.
4187 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4188 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4189 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4190 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4193 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4194 at the beginning and final_end_function at the end.
4195 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4197 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4199 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4200 and Sun as TLS syntax.
4201 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4202 * configure: Regenerate.
4203 * config.in: Regenerate.
4204 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4205 (default_elf_asm_named_section): Use it.
4206 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4207 (i386_output_dwarf_dtprel): Likewise.
4208 (output_addr_const_extra): Likewise.
4209 (output_pic_addr_const): Lowercase @GOTTPOFF.
4210 (output_addr_const_extra): Likewise.
4211 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4212 (output_addr_const_extra): Likewise.
4213 (output_pic_addr_const): Lowercase @INDNTPOFF.
4214 (output_addr_const_extra): Likewise.
4215 (output_pic_addr_const): Lowercase @NTPOFF.
4216 (output_addr_const_extra): Likewise.
4217 (output_pic_addr_const): Lowercase @TPOFF.
4218 (output_addr_const_extra): Likewise.
4219 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4220 (*tls_global_dynamic_64): Likewise.
4221 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4222 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4224 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4225 (ASM_OUTPUT_TLS_COMMON): Use it.
4226 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4229 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4230 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4231 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4232 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4233 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4234 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4236 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4238 * config/i386/i386.c (override_options): Don't accept
4239 -mtls-dialect=sun any longer.
4240 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4241 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4242 (*tls_local_dynamic_base_32_sun): Likewise.
4243 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4245 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4248 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4249 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4252 * ira.c (adjust_cleared_regs): New function.
4253 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4257 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4259 * expr.c (expand_expr_real): Restore previous
4260 curr_insn_source_location and curr_insn_block after
4261 expand_expr_real_1 call.
4262 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4263 instead of expand_expr_real_1.
4265 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4267 PR rtl-optimization/43413
4268 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4271 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4274 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4275 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4277 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4279 * config/i386/i386.c (ix86_target_string): Add -mfma.
4280 Fix a typo in comment.
4282 2010-03-22 Mike Stump <mikestump@comcast.net>
4285 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4286 Don't overly align based upon packed packed fields.
4288 2010-03-22 Jason Merrill <jason@redhat.com>
4290 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4291 Use () rather than [], and move before the element type.
4293 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4295 * doc/configfiles.texi (Configuration Files): Removed
4296 fixinc/Makefile*, intl/Makefile.*.
4297 * doc/makefile.texi: Fixed markup. Abstract from version
4298 control system used.
4299 (Makefile): Removed obsolete gcc/java/parse.y example.
4300 * doc/sourcebuild.texi: Likewise.
4301 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4302 libgomp, libssp. Removed fastjar.
4303 (Miscellaneous Docs): Clarify location.
4304 Added COPYING3, COPYING3.LIB.
4305 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4307 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4310 * config/i386/i386.c (x86_function_profiler)
4311 [!NO_PROFILE_COUNTERS]: Fix typo.
4312 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4315 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4316 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4318 * doc/sourcebuild.texi (Test Directives): Split into six
4319 subsections, with most of the current text in new subsections
4320 Directives, Selectors, and Final Actions.
4321 (Directives): Split list of test directives into multiple
4323 (Selectors): Describe use and syntax of selectors.
4324 (Effective-Target Keywords): Describe all existing keywords.
4325 (Add Options): Describe features for dg-add-options.
4326 (Require Support): Describe variants of dg-require-support.
4327 (Final Actions): Describe commands to use in dg-final.
4329 2010-03-22 Michael Matz <matz@suse.de>
4332 * recog.c (validate_replace_rtx_group): Replace also in
4333 REG_EQUAL and REG_EQUIV notes.
4335 2010-03-22 Richard Guenther <rguenther@suse.de>
4337 PR tree-optimization/43390
4338 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4339 sure vector extracts are type correct.
4341 2010-03-22 Richard Guenther <rguenther@suse.de>
4344 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4345 x * sqrt (x) even when optimizing for size if the target
4346 has native support for sqrt.
4348 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4350 * varasm.c (make_decl_rtl_for_debug): Also clear
4351 flag_mudflap for the duration of make_decl_rtl call.
4354 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4355 locs from preserved VALUEs.
4357 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4360 * pa.md (movmemsi): Set align to one if zero.
4361 (movmemdi): Likewise.
4363 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4366 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4367 with their corresponding prologue pushes.
4369 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4372 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4373 at the begining or end.
4374 (spu_expand_epilogue): Likewise.
4376 2010-03-20 Richard Guenther <rguenther@suse.de>
4378 PR rtl-optimization/43438
4379 * combine.c (make_extraction): Properly zero-/sign-extend an
4380 extraction of the low part of a CONST_INT. Also handle
4383 2010-03-19 Mike Stump <mikestump@comcast.net>
4385 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4386 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4387 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4389 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4392 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4395 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4397 PR rtl-optimization/42258
4398 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4399 use that may match DEF.
4402 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4403 the cost of loading the constant rather than assuming
4405 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4406 outer code is AND, do the same tests as the andsi3 expander and
4407 return COSTS_N_INSNS (1) if and is cheap.
4409 * optabs.c (avoid_expensive_constant): Fix formatting.
4411 2010-03-19 Michael Matz <matz@suse.de>
4414 * attribs.c (decl_attributes): When rebuilding a function pointer
4415 type use the same qualifiers as the original pointer type.
4417 2010-03-19 Martin Jambor <mjambor@suse.cz>
4419 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4420 and is_gimple_ip_invariant_address.
4422 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4425 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4427 * config/arm/arm.c (arm_override_options): Turn off
4428 flag_dwarf2_cfi_asm for AAPCS variants.
4430 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4433 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4434 Use PRE_MODIFY instead of PRE_DEC.
4435 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4436 (vfp_emit_fstmd): Likewise.
4438 2010-03-19 Michael Matz <matz@suse.de>
4441 * builtins.c (expand_builtin_interclass_mathfn,
4442 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4445 2010-03-19 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/43415
4448 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4449 (phi_translate_1): ... this.
4450 (phi_translate): Move all caching here. Cache all NARY
4451 and REFERENCE translations.
4453 2010-03-19 David S. Miller <davem@davemloft.net>
4455 With help from Eric Botcazou.
4456 * config/sparc/sparc.c: Include dwarf2out.h.
4457 (emit_pic_helper): Delete.
4458 (pic_helper_symbol_name): Delete.
4459 (pic_helper_emitted_p): Delete.
4460 (pic_helper_needed): New.
4461 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4462 (get_pc_thunk_name): New.
4463 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4464 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4465 Set pic_helper_needed to true. Don't call emit_pic_helper.
4466 (sparc_expand_prologue): Update load_pic_register call.
4467 (sparc_output_mi_thunk): Likewise.
4468 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4469 thunk if possible. Output CFI information as needed.
4471 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4472 Jack Howarth <howarth@bromo.med.uc.edu>
4475 * config/i386/i386.h: Fix ABI on darwin x86-32.
4477 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4479 * tree.h: Declare make_decl_rtl_for_debug.
4480 * varasm.c (make_decl_rtl_for_debug): New.
4481 * dwarf2out.c (rtl_for_decl_location): Call it.
4482 * cfgexpand.c (expand_debug_expr): Call it.
4484 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4487 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4491 * var-tracking.c (vt_init_cfa_base): Do nothing if
4492 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4494 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4497 * var-tracking.c (canonicalize_vars_star): New.
4498 (dataflow_post_merge_adjust): Use it.
4500 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4503 * var-tracking.c (non_suitable_const): New function.
4504 (add_uses): For DEBUG_INSNs with constants, don't record any
4505 value, instead just the constant value itself.
4506 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4507 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4508 (emit_notes_in_bb): Likewise.
4509 (emit_note_insn_var_location): For onepart variables if
4510 cur_loc is a VOIDmode constant, use DECL_MODE.
4512 2010-03-18 Martin Jambor <mjambor@suse.cz>
4515 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4516 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4517 all non-clones. Moved call redirection...
4518 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4519 (cgraph_materialize_all_clones): Dispose of all
4520 combined_args_to_skip bitmaps.
4521 (verify_cgraph_node): Do not check for edges pointing to wrong
4522 nodes in inline clones.
4523 * tree-inline.c (copy_bb): Call
4524 cgraph_redirect_edge_call_stmt_to_callee.
4525 * ipa.c (cgraph_remove_unreachable_nodes): Call
4526 cgraph_node_remove_callees even when there are used clones.
4528 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4530 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4532 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4535 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4538 2010-03-18 Michael Matz <matz@suse.de>
4541 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4542 into sqrt(x) if we need to preserve signed zeros.
4544 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4545 Eric Botcazou <ebotcazou@adacore.com>
4547 PR rtl-optimization/43360
4548 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4549 note if we don't know its invariant status.
4551 2010-03-18 Michael Matz <matz@suse.de>
4553 PR tree-optimization/43402
4554 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4555 PHI chains of ssa names registered for update.
4557 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4560 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4561 non-offsettable and pre_modify update addressing.
4562 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4563 and "2" alternatives "#".
4564 (*movdd_softfloat32): Make all alternatives "#";
4565 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4566 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4567 (*movdf_softfloat32): Make all alternatives "#";
4568 (movdi): Use the new DIFD mode iterator to create a common splitter
4569 for movdi, movdf and movdd patterns.
4571 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4573 * common.opt (dumpdir): Remove redundant tab.
4575 2010-03-17 Martin Jambor <mjambor@suse.cz>
4577 PR tree-optimization/43347
4578 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4579 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4581 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4583 PR rtl-optimization/42216
4584 * regrename.c (create_new_chain): New function, broken out from...
4585 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4586 appending a use to an empty chain.
4587 (build_def_use): Remove previous changes that convert OP_INOUT to
4588 OP_OUT operands; instead detect the case where an OP_INOUT operand
4589 uses a previously untracked register and create an empty chain for it.
4591 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4593 * doc/extend.texi (Function Attributes): Rewrite unfinished
4594 sentence in ms_abi documentation.
4596 2010-03-17 Alan Modra <amodra@gmail.com>
4598 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4599 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4600 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4601 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4603 2010-03-16 Richard Henderson <rth@redhat.com>
4606 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4607 (lower_try_finally): Save and restore eh_seq around the expansion
4610 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4612 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4613 statements before splitting block.
4615 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4617 * doc/sourcebuild.texi (Testsuites): Fix markup.
4618 Use pathnames relative to gcc/testsuite.
4619 (Test Directives): Move description of how timeout is determined.
4620 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4621 (C Tests): Correct gcc.misc-tests directory.
4622 Framework tests now live in gcc.test-framework.
4624 2010-03-16 Richard Guenther <rguenther@suse.de>
4627 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4628 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4630 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4631 Alexandre Oliva <aoliva@redhat.com>
4633 PR tree-optimization/42917
4634 * lambda-code.c (remove_iv): Skip debug statements.
4635 (lambda_loopnest_to_gcc_loopnest): Likewise.
4636 (not_interesting_stmt): Debug statements are not interesting.
4638 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4642 * cselib.c (cselib_preserve_constants,
4643 cfa_base_preserved_val): New static variables.
4644 (preserve_only_constants): New function.
4645 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4646 clear its REG_VALUES. If cselib_preserve_constants, don't
4647 empty the whole hash table, but preserve there VALUEs with constants,
4648 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4649 (cselib_preserve_cfa_base_value): New function.
4650 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4651 (cselib_init): Change argument to int bitfield. Set
4652 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4654 (cselib_finish): Clear cselib_preserve_constants and
4655 cfa_base_preserved_val.
4656 * cselib.h (enum cselib_record_what): New enum.
4657 (cselib_init): Change argument to int.
4658 (cselib_preserve_cfa_base_value): New prototype.
4659 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4660 * dse.c (dse_step1): Likewise.
4661 * cfgcleanup.c (thread_jump): Likewise.
4662 * sched-deps.c (sched_analyze): Likewise.
4663 * gcse.c (local_cprop_pass): Likewise.
4664 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4665 If FN is non-NULL, call the callback always and whenever it returns
4666 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4667 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4668 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4669 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4670 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4671 * var-tracking.c: Include recog.h.
4672 (bb_stack_adjust_offset): Remove.
4673 (vt_stack_adjustments): Don't call it, instead just gather the
4674 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4675 (adjust_stack_reference): Remove.
4676 (compute_cfa_pointer): New function.
4677 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4678 (struct adjust_mem_data): New type.
4679 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4681 (get_address_mode): New function.
4682 (replace_expr_with_values): Use it.
4683 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4684 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4685 (adjust_sets): Remove.
4686 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4687 Use get_address_mode.
4688 (get_adjusted_src): Remove.
4689 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4690 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4691 (add_with_sets): Don't call adjust_sets.
4692 (fp_setter, vt_init_cfa_base): New functions.
4693 (vt_initialize): Change return type to bool. Move most of pool etc.
4694 initialization to the beginning of the function from end. Pass
4695 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4696 If !frame_pointer_needed, call vt_stack_adjustment before mos
4697 vector is filled, call vt_init_cfa_base if argp/framep has been
4698 eliminated to sp. If frame_pointer_needed and argp/framep has
4699 been eliminated to hard frame pointer, set
4700 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4701 encountering fp setter in the prologue. For MO_ADJUST, call
4702 log_op_type before pusing the op into mos vector, not afterwards.
4703 Call adjust_insn before cselib_process_insn/add_with_sets,
4704 call cancel_changes (0) afterwards.
4705 (variable_tracking_main_1): Adjust for vt_initialize calling
4706 vt_stack_adjustments and returning whether it succeeded or not.
4708 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4710 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4713 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4715 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4717 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4718 drap_reg has not been set.
4720 2010-03-15 Michael Matz <matz@suse.de>
4723 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4724 use it to expand block copies.
4725 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4726 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4727 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4729 2010-03-15 Richard Guenther <rguenther@suse.de>
4731 PR tree-optimization/43367
4732 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4735 2010-03-15 Richard Guenther <rguenther@suse.de>
4737 PR tree-optimization/43317
4738 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4740 2010-03-15 Martin Jambor <mjambor@suse.cz>
4742 PR tree-optimization/43141
4743 * tree-sra.c (create_abstract_origin): New function.
4744 (modify_function): Call create_abstract_origin.
4746 2010-03-15 Chris Demetriou <cgd@google.com>
4748 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4751 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4754 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4755 call insert_out_of_ssa_copy for default definitions.
4757 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4759 * graphite-clast-to-gimple.c (my_long_long): Defined.
4760 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4761 * graphite-sese-to-poly.c (my_long_long): Defined.
4762 (scop_ivs_can_be_represented): Use it.
4764 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4766 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4767 graphite-max-bbs-per-function, and loop-block-tile-size.
4768 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4770 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4772 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4774 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4775 forward declaration.
4776 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4777 (add_upper_bounds_from_estimated_nit): New.
4778 (build_loop_iteration_domains): Use it.
4780 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4782 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4784 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4787 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4788 should be an INTEGER_CST. Also handle CASE_CONVERT.
4790 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4792 * graphite.c (graphite_initialize): To bound the number of bbs per
4793 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4794 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4795 * doc/invoke.texi: Document it.
4797 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4799 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4800 * graphite-sese-to-poly.h (build_poly_scop): Same.
4802 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4804 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4805 the number of parameters in the scop. Use as an upper bound
4806 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4807 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4808 * doc/invoke.texi: Document it.
4810 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4812 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4813 * doc/c-tree.texi: Remove.
4814 * doc/generic.texi: Merge c-tree.texi here.
4815 * doc/gccint.texi (Trees): Remove menu entry.
4816 (c-tree.texi): Remove @include.
4817 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4818 * doc/languages.texi (Reading RTL): Ditto.
4820 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4823 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4825 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4828 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4829 code added to work around reload clobbering CONST insns.
4831 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4833 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4834 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4835 (cselib_preserve_only_values): Remove retain argument, don't
4836 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4837 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4838 * var-tracking.c (micro_operation): Move insn field before union.
4839 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4840 (struct variable_tracking_info_def): Remove n_mos field, change
4841 mos into a vector of micro_operations.
4842 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4843 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4844 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4845 changing into a vector.
4846 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4847 come before all other uops generated by add_stores.
4848 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4850 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4851 a vector. Run just one pass over the bbs instead of separate counting
4852 and computation phase.
4853 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4856 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4857 into *nonlocalized_list vector.
4858 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4859 even if origin is non-NULL.
4860 (gen_variable_die): Likewise.
4861 (process_scope_var): Don't change origin.
4862 (gen_decl_die): Likewise.
4863 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4864 before adding new edges instead of after it, fix moving over
4867 2010-03-11 David S. Miller <davem@davemloft.net>
4869 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4871 * configure: Rebuild.
4873 2010-03-11 Martin Jambor <mjambor@suse.cz>
4875 PR tree-optimization/43257
4876 * tree.c (assign_assembler_name_if_neeeded): New function.
4877 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4879 * tree.h (assign_assembler_name_if_neeeded): Declare.
4880 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4881 the function if needed.
4883 2010-03-11 Chris Demetriou <cgd@google.com>
4885 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4886 include/stdint-gcc.h, and include/stdint.h world-readable.
4888 2010-03-11 Richard Guenther <rguenther@suse.de>
4890 PR tree-optimization/43255
4891 * tree-vrp.c (process_assert_insertions_for): Do not insert
4892 asserts for trivial conditions.
4894 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4896 PR tree-optimization/43280
4897 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4898 generation. Move calculation of size out of the if branch.
4899 (find_bswap): Modify compare number generation.
4901 2010-03-11 Richard Guenther <rguenther@suse.de>
4904 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4905 (input_gimple_stmt): Fixup handled component types during
4906 operand read. Also fix up decls in ADDR_EXPRs.
4908 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4910 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4911 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4913 2010-03-10 Jan Hubicka <jh@suse.cz>
4916 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4917 * varasm.c (get_variable_section): Don't do that here...
4918 (make_decl_rtl): ... and here.
4919 (do_assemble_alias): Produce decl RTL.
4920 (assemble_alias): Likewise.
4922 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4925 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4926 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4928 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4929 (based_loc_descr): Only express drap or vdrap regno based expressions
4930 using DW_OP_fbreg when not optimizing.
4931 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4932 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4933 REG_CFA_SET_VDRAP note.
4935 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4937 PR tree-optimization/43236
4938 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4939 error in calculation of base address in reverse iteration case.
4940 (generate_builtin): Take number of latch executions if the statement
4943 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4946 * tree-eh.c: Include pointer-set.h.
4947 (lower_eh_dispatch): Filter out duplicate case labels and
4948 remove the unneeded edge when the label is unused. Return
4949 true when some edges are removed.
4950 (execute_lower_eh_dispatch): When any lowering resulted in
4951 removing an edge, also delete unreachable blocks.
4953 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4956 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4957 UNSPEC_MACHOPIC_OFFSET.
4959 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4962 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4963 (m68k_delegitimize_address): New function.
4965 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4968 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4971 * var-tracking.c (adjust_sets): New function.
4972 (count_with_sets, add_with_sets): Use it.
4973 (get_adjusted_src): New inline function.
4974 (add_stores): Use it.
4977 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4978 call cselib_dummy_expand_value_rtx_cb instead of
4979 cselib_expand_value_rtx_cb.
4982 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4983 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4984 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4985 and .cfi_endproc around the pic thunks.
4986 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4987 all queued unwind info register saves are saved before the call.
4988 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4989 considered as sp-=4 for unwind info and the pop as sp+=4 which
4990 also clobbers dest, but doesn't actually restore it.
4993 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4994 RTX_FRAME_RELATED_P.
4996 2010-03-09 Jie Zhang <jie@codesourcery.com>
4998 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4999 whitespaces in output template.
5001 2010-03-09 Jie Zhang <jie@codesourcery.com>
5003 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5006 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5008 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5009 builtins.exp in a separate job.
5011 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5013 * graphite-sese-to-poly.c (add_param_constraints): Use
5014 lower_bound_in_type and upper_bound_in_type.
5016 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5018 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5019 instead of unsigned_type_node.
5021 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5022 Reza Yazdani <reza.yazdani@amd.com>
5025 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5026 on pointer type parameters.
5028 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5032 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5033 handle conversions from pointer to integers.
5034 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5035 induction variable, to be able to work with code generated by CLooG.
5036 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5037 (build_poly_scop): Bail out if we cannot codegen a loop.
5039 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5041 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5042 code generation with gloog_error.
5044 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5046 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5047 Call fold_convert on all the returned values.
5048 (expand_scalar_variables_expr): Pass to
5049 expand_scalar_variables_ssa_name the type of the resulting expression.
5051 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5053 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5054 ppl_min_for_le_pointset.
5055 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5056 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5058 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5060 * graphite-dependences.c (map_into_dep_poly): Removed.
5061 (dependence_polyhedron_1): Use combine_context_id_scat.
5063 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5065 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5066 (struct poly_bb): Same.
5067 (combine_context_id_scat): New.
5069 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5072 * sese.c (name_defined_in_loop_p): Return false for default
5075 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5077 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5078 and clean up the logic.
5080 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5082 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5085 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5087 * var-tracking.c (remove_cselib_value_chains): Define only for
5089 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5090 delete_slot_part, emit_notes_for_differences_1): Don't call
5091 remove_cselib_value_chains here.
5092 (set_slot_part, emit_notes_for_differences_2): Don't call
5093 add_cselib_value_chains here.
5094 (preserved_values): New vector.
5095 (preserve_value): New function.
5096 (add_uses, add_stores, vt_add_function_parameters): Use it
5097 instead of cselib_preserve_value.
5098 (changed_values_stack): New vector.
5099 (check_changed_vars_0): New function.
5100 (check_changed_vars_1, check_changed_vars_2): Use it.
5101 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5102 changed_values_stack VALUEs.
5103 (vt_emit_notes): For all preserved_values call
5104 add_cselib_value_chains. If ENABLE_CHECKING call
5105 remove_cselib_value_chains before verifying value_chains is empty.
5106 Initialize and free changed_values_stack.
5107 (vt_initialize): Initialize preserved_values.
5108 (vt_finalize): Free preserved_values.
5110 2010-03-08 Richard Guenther <rguenther@suse.de>
5112 PR tree-optimization/43269
5113 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5116 2010-03-08 Martin Jambor <mjambor@suse.cz>
5118 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5119 (ipa_is_param_called): Removed.
5120 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5121 (ipa_print_node_params): Do not print the called flag.
5122 (ipa_write_node_info): Do not stream the called flag.
5123 (ipa_read_node_info): Likewise.
5125 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5128 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5129 * cselib.c (struct expand_value_data): Add dummy field.
5130 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5132 (cselib_dummy_expand_value_rtx_cb): New function.
5133 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5135 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5136 * var-tracking.c: Include pointer-set.h.
5137 (variable): Change n_var_parts to char from int. Add
5138 cur_loc_changed and in_changed_variables fields.
5139 (variable_canonicalize): Remove.
5140 (shared_var_p): New inline function.
5141 (unshare_variable): Maintain cur_loc_changed and
5142 in_changed_variables fields. If var was in changed_variables,
5143 replace it there with new_var. Just copy cur_loc instead of
5144 resetting it to something else.
5145 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5146 (dataflow_set_union): Don't call variable_canonicalize.
5147 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5148 of their DEBUG_EXPR_TREE_DECLs.
5149 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5150 and in_changed_variables and cur_loc_changed is false.
5151 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5152 and cur_loc_changed. Don't update cur_loc here.
5153 (variable_merge_over_src): Don't call variable_canonicalize.
5154 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5155 removing loc that is equal to cur_loc, clear cur_loc,
5156 set cur_loc_changed and ensure variable_was_changed is called.
5157 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5158 compare pointers in cur_loc check, if it is equal to loc,
5159 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5160 (variable_different_p): Remove compare_current_location argument,
5161 don't compare cur_loc.
5162 (dataflow_set_different_1): Adjust variable_different_p caller.
5163 (variable_was_changed): If dv had some var in changed_variables
5164 already, reset in_changed_variables flag for it and propagate
5165 cur_loc_changed over to the new variable. On empty var
5166 always set cur_loc_changed. Set in_changed_variables on whatever
5167 var is added to changed_variables.
5168 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5169 Use shared_var_p. When removing loc that is equal to cur_loc,
5170 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5171 end, don't set it to something else, just call variable_was_changed.
5172 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5173 loc being removed, clear cur_loc and set cur_loc_changed.
5174 Set cur_loc_changed if all locations have been removed.
5175 (struct expand_loc_callback_data): New type.
5176 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5177 allocated. Always create SUBREGs if simplify_subreg failed.
5178 Prefer to use cur_loc, when that fails and still in
5179 changed_variables (and seen first time) recompute it. Set
5180 cur_loc_changed of variables which had to change cur_loc and
5181 compute elcd->cur_loc_changed if any of the subexpressions used
5182 had to change cur_loc.
5183 (vt_expand_loc): Adjust to pass arguments in
5184 expand_loc_callback_data structure.
5185 (vt_expand_loc_dummy): New function.
5186 (emitted_notes): New variable.
5187 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5188 that weren't used for any other decl in current
5189 emit_notes_for_changes call call vt_expand_loc_dummy to update
5190 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5191 first loc_chain location if NULL before. Always use just
5192 cur_loc instead of first loc_chain location. When cur_loc_changed
5193 is false, when not --enable-checking=rtl just don't emit any note.
5194 When rtl checking, compute the note and assert it is the same
5195 as previous note. Clear cur_loc_changed and in_changed_variables
5196 at the end before removing from changed_variables.
5197 (check_changed_vars_3): New function.
5198 (emit_notes_for_changes): Traverse changed_vars to call
5199 check_changed_vars_3 on each changed var.
5200 (emit_notes_for_differences_1): Clear cur_loc_changed and
5201 in_changed_variables. Recompute cur_loc of new_var.
5202 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5203 (vt_emit_notes): Initialize and destroy emitted_notes.
5205 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5207 PR rtl-optimization/42220
5208 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5209 Use verify_reg_tracked to determine if we should use OP_OUT rather
5211 (build_def_use): If we see an in-out operand for a register that we
5212 know nothing about, treat is an output if possible, fail the block if
5215 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5218 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5221 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5224 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5225 uses of relevant DEFs that are dead outside the loop too.
5227 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5229 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5231 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5233 * var-tracking.c (values_to_unmark): New variable.
5234 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5235 values_to_unmark vector. Moved body to...
5236 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5237 instead queue it into values_to_unmark vector.
5238 (vt_find_locations): Free values_to_unmark vector.
5240 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5242 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5243 (site.exp): Export them when plugins are enabled.
5245 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5248 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5250 (chrec_fold_multiply): Same.
5252 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5255 * c-decl.c (build_compound_literal): Return early if init is
5258 2010-03-04 Martin Jambor <mjambor@suse.cz>
5260 PR tree-optimization/43164
5261 PR tree-optimization/43191
5262 * tree-sra.c (type_consists_of_records_p): Reject records with
5263 zero-size bit-fields at the end.
5265 2010-03-04 Mike Stump <mikestump@comcast.net>
5267 * Makefile.in (TAGS): Remove *.y.
5269 2010-03-04 Richard Guenther <rguenther@suse.de>
5271 PR tree-optimization/40761
5272 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5274 (my_rev_post_order_compute): New function.
5275 (init_pre): Call it.
5277 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5280 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5281 decrease the cost of an IV candidate when the cost is infinite.
5283 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5285 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5286 Use '3DNow!' for the extension of that name, ensure normal space
5288 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5290 2010-03-03 Jeff Law <law@redhat.com>
5292 * PR middle-end/32693
5293 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5294 than gen_rtx_SUBREG.
5295 (extract_bit_field_1): Likewise.
5297 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5299 * doc/sourcebuild.texi (Test directives): Document that arguments
5300 include-opts and exclude-opts are now optional for dg-skip-if,
5301 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5303 2010-03-03 Jason Merrill <jason@redhat.com>
5306 * cgraph.h (varpool_node): Add extra_name field.
5307 * varpool.c (varpool_extra_name_alias): New.
5308 (varpool_assemble_decl): Emit extra name aliases.
5309 (varpool_mark_needed_node): Look past an extra name alias.
5310 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5311 * lto-streamer-in.c (lto_input_tree): Read it.
5312 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5314 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5316 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5317 (sparc*-*-solaris2*): ...this.
5319 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5322 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5323 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5324 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5325 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5328 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5329 fallthrough to default handling, just with want_address 0 instead of 2.
5330 For single element lists, add_AT_loc directly, otherwise create an
5331 artificial variable DIE and stick location list to it.
5334 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5335 (VAL_EXPR_HAS_REVERSE): Define.
5336 (reverse_op): New function.
5337 (add_stores): For reversible operations add an extra MO_VAL_USE.
5339 2010-03-02 Jason Merrill <jason@redhat.com>
5341 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5343 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5345 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5346 (sparc64-*-linux*): Likewise.
5347 (sparc64-*-solaris2*): Include assembler files before linker ones.
5348 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5349 * config/sparc/gas.h: Delete.
5350 * config/sparc/sol2-64.h: Add copyright notice.
5351 * config/sparc/sol2-gas-bi.h: Likewise.
5352 * config/sparc/sol2-gld.h: Likewise.
5353 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5354 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5355 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5356 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5357 (sparc_elf_asm_named_section): Rename into...
5358 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5360 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5362 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5364 2010-03-02 Jeff Law <law@redhat.com>
5367 * reload1.c (rtx_p, substitute_stack): Declare.
5368 (substitute): Record addresses of changed rtxs.
5369 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5370 Restore the original rtx when complete.
5371 (reload): Free subsitute_stack when complete.
5373 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5375 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5376 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5378 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5379 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5380 Torture Tests): Change from subsection to section.
5382 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5383 Steven Bosscher <steven@gcc.gnu.org>
5385 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5388 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5391 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5392 the assignment from the new induction variable to the assignment
5393 of the value from the original loop PHI function.
5395 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5396 Daniel Jacobowitz <dan@codesourcery.com>
5398 * doc/sourcebuild.texi (Test directives): Clarify options to
5401 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5403 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5404 Disable cfi directives unless GCC and gas agree on using read-only
5405 .eh_frame sections for 64-bit.
5406 * configure: Regenerate.
5408 2010-03-01 Richard Guenther <rguenther@suse.de>
5410 PR tree-optimization/43220
5411 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5412 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5414 2010-03-01 Richard Guenther <rguenther@suse.de>
5415 Martin Jambor <mjambor@suse.cz>
5418 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5419 gimplified parameters.
5421 2010-03-01 Christian Bruel <christian.bruel@st.com>
5423 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5425 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5427 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5429 2010-03-01 Richard Guenther <rguenther@suse.de>
5432 * expr.c (expand_assignment): Use the alias-oracle to tell
5433 if the rhs aliases the result decl.
5435 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5438 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5439 to sol_gt_pch_get_address.
5440 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5441 64-bit, SPARC and x86.
5442 (sol_gt_pch_get_address): New function.
5444 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5446 * toplev.h (inform_n, error_n): Declare.
5447 * diagnostic.c (inform_n, error_n): New function.
5449 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5451 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5452 has no rtl yet when processing local_decls, queue it and recheck
5453 if deferred stack allocation hasn't assigned it rtl.
5455 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5457 * config/sh/sh.c (unspec_bbr_uid): New.
5458 (gen_block_redirect): Use it instead of INSN_UID.
5459 (gen_far_branch): Likewise.
5461 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5463 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5464 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5466 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5468 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5469 (Warning Options): -Wno-conversion-null is valid for
5470 Objective-C++ as well.
5471 * doc/tm.texi (Named Address Spaces): Likewise.
5472 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5473 * doc/tree-ssa.texi (Tree SSA): Likewise.
5475 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5478 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5479 by default. Don't set the default arch for
5480 i[34567]86-*-darwin*|x86_64-*-darwin*.
5482 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5485 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5486 default. Set the default 32bit/64bit archs with $with_arch
5487 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5489 2010-02-27 Richard Guenther <rguenther@suse.de>
5491 PR tree-optimization/43186
5492 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5493 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5494 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5495 unroller iterations.
5497 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5499 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5500 required and i[34567]86-*-* targets don't support 64bit ISA.
5502 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5505 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5508 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5510 * config.gcc: Set the default arch at least to Prescott for
5511 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5512 if SSE math is enabled.
5514 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5516 * diagnostic.c (diagnostic_initialize): Update.
5517 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5519 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5520 (diagnostic_inhibit_notes): New.
5521 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5523 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5526 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5527 * doc/standards.texi: Likewise.
5528 * doc/extend.texi: Likewise.
5529 * doc/trouble.texi: Likewise.
5530 * doc/cppopts.texi: Likewise.
5531 * doc/install.texi: Likewise.
5532 * c.opt (std=c90,std=gnu90): New options.
5533 * c-opts.c (c_common_handle_option): Handle them.
5535 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5538 * c-decl.c (undeclared_variable): Use an informative note.
5540 2010-02-26 Richard Guenther <rguenther@suse.de>
5542 PR tree-optimization/43186
5543 * gimple.h (gimple_fold): Remove.
5544 * gimple.c (gimple_fold): Remove. Inline into single user ...
5545 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5546 Try harder for conditions.
5548 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5551 * function.c (used_types_insert): Don't skip through named pointer
5552 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5553 and it is different from the main variant's type.
5555 2010-02-26 Nick Clifton <nickc@redhat.com>
5557 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5559 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5561 * config.gcc: Support --with-fpmath=sse for x86.
5563 * config/i386/ssemath.h: New.
5565 * doc/install.texi (--with-fpmath=sse): Documented.
5567 2010-02-26 Richard Guenther <rguenther@suse.de>
5569 PR tree-optimization/43188
5570 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5571 vector types of over-aligned element type.
5573 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5576 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5577 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5579 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5581 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5583 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5585 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5586 * var-tracking.c: Include diagnostic.h.
5587 (debug_dv): New function.
5588 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5591 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5592 (add_value_chain, add_value_chains, remove_value_chain,
5593 remove_value_chains): Handle DEBUG_EXPRs.
5594 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5597 * regcprop.c (struct queued_debug_insn_change): New type.
5598 (struct value_data_entry): Add debug_insn_changes field.
5599 (struct value_data): Add n_debug_insn_changes field.
5600 (debug_insn_changes_pool): New variable.
5601 (free_debug_insn_changes, apply_debug_insn_changes,
5602 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5603 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5604 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5606 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5608 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5609 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5610 changes, call cprop_find_used_regs via note_stores.
5611 (copyprop_hardreg_forward): When copying vd from predecessor
5612 which has any queued DEBUG_INSN changes, make sure the pointers are
5613 cleared. At the end call df_analyze and then if there are any
5614 DEBUG_INSN changes queued at the end of some basic block for still
5615 live registers, apply them.
5616 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5618 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5620 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5623 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5625 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5626 targets. Set the default with_cpu/with_arch from arch/cpu.
5627 Allow x86-64 and native for with_cpu/with_arch.
5629 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5631 * ebitmap.c: Change calls to verify_popcount with calls to
5632 sbitmap_verify_popcount.
5633 (ebitmap_clear_bit): Fixed map->cacheindex test and
5634 map>cache update when bit clearing results in an empty
5637 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5640 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5641 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5642 and support both V2DF and V2DI modes.
5643 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5644 support both V2DF and V2DI modes.
5645 (general): Delete trailing whitespace from a few patterns.
5647 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5648 V2DF/V2DI interleave high/low builtins.
5650 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5653 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5654 interleave high/low functions.
5656 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5658 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5659 #pragma extern_prefix.
5661 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5664 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5665 BLKmode, assert op0 is a MEM and just adjust its mode.
5668 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5669 if bitpos isn't multiple of mode's bitsize.
5671 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5673 * c.opt (-ftemplate-depth=): New.
5674 (-ftemplate-depth-): Deprecate.
5675 * optc-gen.awk: Handle -ftemplate-depth=.
5676 * opth-gen.awk: Likewise.
5677 * c-opts.c (c_common_handle_option): Likewise.
5678 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5680 2010-02-24 Jason Merrill <jason@redhat.com>
5682 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5684 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5686 * cfg.c (alloc_aux_for_block): Remove inline.
5687 (alloc_aux_for_edge): Likewise.
5689 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5691 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5693 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5695 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5696 * config/i386/sol2-gas.h: New file.
5697 * config.gcc (i[34567]86-*-solaris2*): Use it.
5699 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5702 * c-typeck.c (ep_convert_and_check): New.
5703 (build_conditional_expr): Use it.
5704 (build_binary_op): Likewise.
5706 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5708 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5711 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5712 bounds even for -O+.
5713 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5714 expr needs to have DECL_NAME set.
5716 2010-02-24 Nick Clifton <nickc@redhat.com>
5718 * config/mep/mep.c: Include gimple.h.
5719 (mep_function_uses_sp): Delete unused function.
5720 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5721 parameters. Use unsigned integers to count args. Return a
5722 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5724 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5727 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5728 greater or equal to nelt instead of 2 * nelt.
5729 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5732 2010-02-23 Jason Merrill <jason@redhat.com>
5735 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5736 in cfun->local_decls even if they have register types.
5739 * stor-layout.c (place_field): Don't warn about unnecessary
5740 DECL_PACKED if the type is packed.
5742 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5745 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5746 GOTOFF relocs, even when the base reg isn't pic pointer.
5748 2010-02-23 Michael Matz <matz@suse.de>
5751 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5752 (expand_gimple_basic_block): Generate and use debug temps if there
5753 are debug uses left after the last real use of TERed ssa names.
5754 Unlink debug immediate uses when they are expanded.
5756 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5759 * config/i386/i386.c (override_options): Reorganise to provide
5760 better error messages.
5762 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5765 * graphite-scop-detection.c (create_single_exit_edge): Move
5766 the call to find_single_exit_edge to....
5767 (create_sese_edges): ...here. Don't handle multiple edges
5768 exiting the function.
5769 (build_graphite_scops): Don't handle multiple edges
5770 exiting the function.
5772 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5775 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5776 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5778 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5781 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5783 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5786 * c-typeck.c (convert_arguments): Print declaration location.
5787 * c-common.c (validate_nargs): Rename as
5788 builtin_function_validate_nargs.
5789 (check_builtin_function_arguments): Update.
5791 2010-02-22 Richard Guenther <rguenther@suse.de>
5794 * tree-inline.c (declare_return_variable): Use the type of
5795 the call stmt lhs if available.
5797 2010-02-22 Duncan Sands <baldrick@free.fr>
5799 * passes.c (register_pass): Always consider all pass lists when
5800 ref_pass_instance_number is zero.
5802 2010-02-22 Richard Guenther <rguenther@suse.de>
5804 PR tree-optimization/42749
5805 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5806 parameter. Do arithmetic in the original type.
5807 (update_accumulator_with_ops): Likewise.
5808 (adjust_accumulator_values): Adjust.
5810 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5812 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5813 (QI to BLKmode splitter): New splitter.
5815 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5817 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5818 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5820 2010-02-22 Richard Guenther <rguenther@suse.de>
5822 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5824 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5826 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5827 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5828 ($(T)crti.o, $(T)crtn.o): Remove rules.
5830 2010-02-21 Tobias Burnus <burnus@net-b.de>
5833 * doc/invoke.texi (-fassociative-math): Document that this
5834 option is automatically enabled for Fortran.
5836 2010-02-20 David S. Miller <davem@davemloft.net>
5838 * configure.ac: Test if linker and assembler properly support
5839 GOTDATA_OP relocations.
5840 * configure: Rebuild.
5841 * config.in: Likewise.
5842 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5843 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5844 (movsi_high_pic): Likewise.
5845 (movdi_lo_sum_pic): Likewise.
5846 (movdi_high_pic): Likewise.
5847 (movsi_pic_gotdata_op): New pattern.
5848 (movdi_pic_gotdata_op): Likewise.
5849 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5850 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5852 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5855 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5856 attribute to ssemul.
5857 (xop_mulv2div2di3_high): Ditto.
5859 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5862 * c.opt (Wconversion-null): New option.
5863 * doc/invoke.texi (Wconversion-null): Document.
5865 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5867 * common.opt (Wlarger-than-): Add Undocumented.
5869 2010-02-19 Mike Stump <mikestump@comcast.net>
5871 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5873 2010-02-19 Jason Merrill <jason@redhat.com>
5876 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5877 * configure: Likewise.
5879 2010-02-20 Alan Modra <amodra@gmail.com>
5882 * cgraph.h (cgraph_make_decl_local): Declare.
5883 * cgraph.c (cgraph_make_decl_local): New function.
5884 (cgraph_make_node_local): Use it.
5885 * cgraphunit.c (cgraph_function_versioning): Likewise.
5886 * ipa.c (function_and_variable_visibility): Likewise.
5888 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5891 * except.c (sjlj_emit_function_enter): Don't call
5892 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5894 * rtl.h (add_reg_br_prob_note): Remove prototype.
5896 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5899 * c-common.c (conversion_warning): Remove widening conversions
5900 before checking the conversion of integers to reals.
5902 2010-02-19 Mike Stump <mikestump@comcast.net>
5905 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5908 * cgraphunit.c (process_function_and_variable_attributes): Check
5909 DECL_PRESERVE_P instead of looking up attribute "used".
5910 * ipa-pure-const.c (check_decl): Likewise.
5911 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5912 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5913 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5914 instead of attribute "used".
5915 * config/sol2-c.c (solaris_pragma_init): Likewise.
5916 (solaris_pragma_fini): Likewise.
5918 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5920 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5921 Use XCNEW instead of xcalloc.
5922 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5923 XNEW instead of xmalloc.
5924 (get_fields): Use XNEWVEC instead of xmalloc.
5927 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5928 populate vars array.
5929 (create_new_general_access): For debug stmts just reset value.
5930 (get_stmt_accesses): For accesses within debug stmts just record them
5931 using add_access_to_acc_sites instead of preventing the peeling or
5932 counting them as accesses.
5935 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5937 2010-02-19 Richard Guenther <rguenther@suse.de>
5939 PR tree-optimization/42916
5940 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5943 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5945 * configure.ac: Replace all uses of changequote in macro arguments
5946 with proper quoting.
5948 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5951 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5953 2010-02-19 Richard Guenther <rguenther@suse.de>
5955 PR tree-optimization/42944
5956 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5957 test for aliasing with errno.
5959 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5962 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5963 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5964 * dojump.c: Include output.h.
5965 (inv): New inline function.
5966 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5967 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5968 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5969 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5970 argument, pass it down to other calls.
5971 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5972 add REG_BR_PROB note to the conditional jump.
5973 * cfgexpand.c (add_reg_br_prob_note): Removed.
5974 (expand_gimple_cond): Don't call it, add the probability
5975 as last argument to jumpif_1/jumpifnot_1.
5976 * Makefile.in (dojump.o): Depend on output.h.
5977 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5979 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5980 * stmt.c (do_jump_if_equal): Likewise.
5981 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5982 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5983 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5985 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5986 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5987 jumpifnot_1 callers.
5988 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5990 (store_expr): Adjust jumpifnot caller.
5991 (store_constructor): Adjust jumpif caller.
5994 * gimplify.c (gimple_boolify): For __builtin_expect call
5995 gimple_boolify also on its first argument.
5997 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5999 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6001 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6002 * configure: Regenerated.
6004 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6006 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6007 lang_hooks.types_compatible_p instead of comptypes.
6009 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6011 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6012 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6013 if __prefer_thumb__ is defined.
6015 2010-02-18 Martin Jambor <mjambor@suse.cz>
6017 PR tree-optimization/43066
6018 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6019 array with zero-sized element type.
6021 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6023 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6024 rtx, allocate struct var_loc_node here and return it to the
6025 caller, and only if it is actually needed.
6026 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6027 move it earlier and return immediately if it returns NULL.
6029 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6031 * config/sparc/gas.h: New file. Restore
6032 TARGET_ASM_NAMED_SECTION to its ELF default.
6033 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6035 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6036 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6037 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6038 after sparc/sysv4.h.
6040 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6042 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6044 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6046 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6047 patterns from predicated pattern.
6049 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6052 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6053 for insn mnemonic suffix.
6055 2010-02-17 Richard Guenther <rguenther@suse.de>
6057 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6060 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6063 * caller-save.c (save_call_clobbered_regs): If BB ends with
6064 a DEBUG_INSN, move any notes in between last real insn and the last
6065 DEBUG_INSN after the last DEBUG_INSN.
6067 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6069 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6070 Fix return type. Fix argument type. Explain meaning of return value.
6072 2010-02-16 Richard Guenther <rguenther@suse.de>
6074 PR tree-optimization/41043
6075 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6076 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6078 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6080 2010-02-16 Ira Rosen <irar@il.ibm.com>
6082 PR tree-optimization/43074
6083 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6084 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6085 vectorizable cycles in hybrid SLP check.
6086 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6088 2010-02-16 Richard Guenther <rguenther@suse.de>
6090 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6091 (true_dependence): If memrefs_conflict_p computes must-alias
6092 trust it. Move TBAA check after offset-based disambiguation.
6093 (canon_true_dependence): Likewise.
6095 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6097 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6098 * doc/invoke.texi: Document it.
6099 * var-tracking.c: Include toplev.h and params.h.
6100 (vt_find_locations): Return bool indicating success. Compute
6101 hash sizes unconditionally. Check new parameter, report.
6102 (variable_tracking_main_1): Check vt_find_locations results and
6103 retry. Renamed from...
6104 (variable_tracking_main): ... this. New wrapper to preserve
6105 flag_var_tracking_assignments.
6106 * Makefile.in (var-tracking.o): Adjust dependencies.
6108 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6109 Jakub Jelinek <jakub@redhat.com>
6112 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6113 if weak_import attribute is present.
6114 * config/darwin.c (machopic_select_section): Likewise.
6116 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6118 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6119 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6120 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6121 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6123 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6126 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6129 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6130 Rewrite text to refer to the names.
6132 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6134 * config/i386/i386-builtin-types.def
6135 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6136 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6137 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6138 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6139 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6140 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6141 IX86_BUILTIN_VPERMIL2PS256.
6142 (MULTI_ARG_4_DF2_DI_I): Defined.
6143 (MULTI_ARG_4_DF2_DI_I1): Defined.
6144 (MULTI_ARG_4_SF2_SI_I): Defined.
6145 (MULTI_ARG_4_SF2_SI_I1): Defined.
6146 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6147 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6148 __builtin_ia32_vpermil2ps256.
6149 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6150 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6151 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6152 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6153 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6154 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6155 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6156 CODE_FOR_xop_vpermil2v8sf3.
6157 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6158 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6159 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6160 (_mm256_permute2_pd): New.
6161 (_mm_permute2_ps): New.
6162 (_mm256_permute2_ps): New.
6164 2010-02-15 Nick Clifton <nickc@redhat.com>
6166 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6167 boolean parameters. Use emit_jump_insn when emitting a pop
6168 instruction containing a return insn.
6169 (push): Use 'true' rather than '1' as second parameter to F.
6170 (h8300_expand_prologue): Likewise.
6171 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6172 (h8300_expand_epilogue): Likewise.
6174 2010-02-15 Richard Guenther <rguenther@suse.de>
6177 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6180 2010-02-15 Nick Clifton <nickc@redhat.com>
6182 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6185 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6187 * intl.c (fake_ngettext): New function.
6188 * intl.h (fake_ngettext): Declare.
6189 (ngettext): Define macro.
6190 * collect2.c (notice_translated): New function.
6191 (main): Use notice_translated and ngettext.
6192 * collect2.h (notice_translated): Declare.
6194 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6196 * reorg.c (delete_computation): Comment fixes.
6197 * caller-save.c (setup_save_areas): Idem.
6198 * sel-sched-dump.c (dump_lv_set): Idem.
6201 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6203 * config/s390/s390.c (s390_sched_init): New function.
6204 (TARGET_SCHED_INIT): Target hook defined.
6206 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6207 Jack Howarth <howarth@bromo.med.uc.edu>
6208 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6211 Partial revert of unintended change in fix for PR41605.
6212 * config/darwin.h: Fix typo.
6213 * config/darwin9.h: Same.
6215 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6217 * c-pch.c (pch_init): Clear v.
6219 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6222 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6223 graphite_can_represent_init for MULT_EXPR.
6225 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6229 * graphite-sese-to-poly.c (remove_phi): New.
6230 (translate_scalar_reduction_to_array): Call remove_phi.
6232 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6235 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6236 * graphite-clast-to-gimple.h (gloog): Update declaration.
6237 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6238 * graphite-poly.h (struct poly_bb): Add missing comments.
6239 (struct scop): Add poly_scop_p field.
6241 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6242 * graphite.c (graphite_transform_loops): Build the polyhedral
6243 representation for each scop before code generation.
6244 * sese.c (rename_variables_in_operand): Removed.
6245 (rename_variables_in_expr): Return the renamed expression.
6246 (rename_sese_parameters): New.
6247 * sese.h (rename_sese_parameters): Declared.
6249 2010-02-11 Richard Guenther <rguenther@suse.de>
6251 PR tree-optimization/42998
6252 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6253 POINTER_PLUS_EXPR properly.
6255 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6256 Changpeng Fang <changpeng.fang@amd.com>
6259 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6260 the cost of an IV candidate when the IV is used in a test against zero.
6262 * gcc.dg/tree-ssa/ivopts-3.c: New.
6264 2010-02-11 Richard Guenther <rguenther@suse.de>
6267 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6268 pointer-vs-decl case by swapping refs. Handle some cases
6269 of pointer-vs-decl disambiguations more conservatively.
6270 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6271 to false after expanding.
6273 2010-02-11 Richard Guenther <rguenther@suse.de>
6276 * gcc.c (process_command): Handle LTO file@offset case more
6279 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6281 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6282 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6284 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6286 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6287 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6288 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6289 Optimize eq/ne comparisons when both arguments are known to be
6291 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6292 Don't mask operands unnecessarily if they are known to be already
6295 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6297 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6300 2010-02-10 Richard Guenther <rguenther@suse.de>
6302 PR tree-optimization/43017
6303 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6304 for wrapping signed arithmetic.
6306 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6309 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6310 if no debug info should be emitted for it.
6312 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6314 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6315 note when flag_exceptions is set.
6317 2010-02-10 Duncan Sands <baldrick@free.fr>
6319 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6321 2010-02-10 Richard Guenther <rguenther@suse.de>
6324 * tree.c (get_unwidened): Handle constants.
6325 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6327 2010-02-10 Martin Jambor <mjambor@suse.cz>
6330 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6331 check for variable argument counts independently.
6333 2010-02-10 Christian Bruel <christian.bruel@st.com>
6336 * config/sh/sh.c (find_barrier): Increase length for non delayed
6337 conditional branches.
6339 2010-02-10 Christian Bruel <christian.bruel@st.com>
6341 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6343 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6345 * builtins.c (set_builtin_user_assembler_name): Also handle
6346 ffs if int is smaller than word.
6348 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6351 * ira-conflicts.c (get_dup): Remove.
6352 (process_reg_shuffles): Add new parameter. Use it as an
6353 additional guard for copy generation.
6354 (add_insn_allocno_copies): Rewrite.
6356 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6358 * common.opt (fsched2-use-traces): Preserved for backward
6360 * doc/invoke.texi: Remove the documentation about option
6361 -fsched2-use-traces.
6362 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6363 flag_sched2_use_traces.
6364 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6365 the backward compatibility flag section.
6367 2010-02-09 Richard Guenther <rguenther@suse.de>
6369 PR tree-optimization/43008
6370 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6371 make HEAP variables initialized from global memory if they
6372 are not known builtin functions.
6373 (find_func_aliases): Adjust.
6375 2010-02-09 Richard Guenther <rguenther@suse.de>
6377 PR tree-optimization/43000
6378 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6379 arithmetic manually.
6381 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6383 PR tree-optimization/42931
6384 * tree-loop-linear.c (try_interchange_loops): Don't call
6385 double_int_mul if estimated_loop_iterations failed.
6387 2010-02-08 Martin Jambor <mjambor@suse.cz>
6390 * tree-sra.c (build_accesses_from_assign): Do not mark in
6391 should_scalarize_away_bitmap if stmt has volatile ops.
6392 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6395 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6397 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6399 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6401 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6404 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6407 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6409 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6412 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6413 to unknown_dependence.
6414 (graphite_legal_transform_dr): Handle the unknown_dependence.
6415 (graphite_carried_dependence_level_k): Same.
6417 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6419 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6421 2010-02-07 Richard Guenther <rguenther@suse.de>
6424 * expr.c (get_inner_reference): Always initialize *pbitsize.
6426 2010-02-07 Richard Guenther <rguenther@suse.de>
6429 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6430 new ARRAY_REFs on variable size element or minimal index arrays.
6432 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6433 gimple_fold_indirect_ref.
6435 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6438 * arm.c (arm_override_options): Just return if the user has specified
6439 an invalid fpu name.
6441 2010-02-03 Jason Merrill <jason@redhat.com>
6444 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6445 i386_pe_maybe_record_exported_symbol.
6447 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6450 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6451 (pa_delegitimize_address): New function.
6453 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6455 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6456 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6458 2010-02-05 Richard Guenther <rguenther@suse.de>
6461 * lto-streamer-in.c (get_resolution): Deal with references
6462 to undefined functions.
6464 2010-02-05 Richard Guenther <rguenther@suse.de>
6466 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6467 (fold_const_aggregate_ref): Likewise.
6468 (ccp_fold_stmt): Substitute loads.
6469 (maybe_fold_reference): Verify types before substituting.
6471 (fold_gimple_assign): Unshare properly.
6472 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6474 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6476 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6477 for rs6000_gen_cell_microcode.
6479 2010-02-04 Richard Guenther <rguenther@suse.de>
6481 PR rtl-optimization/42952
6482 * dse.c (const_or_frame_p): Remove MEM handling.
6484 2010-02-04 Nick Clifton <nickc@redhat.com>
6486 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6487 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6488 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6489 (mn10300_asm_output_mi_thunk): New function.
6490 (mn10300_can_output_mu_thunk): New function.
6491 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6492 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6493 (FUNCTION_ARG): Delete incorrect comment.
6495 2010-02-03 Jason Merrill <jason@redhat.com>
6498 * fold-const.c (operand_equal_p): Handle erroneous types.
6500 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6502 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6504 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6506 PR rtl-optimization/42941
6507 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6510 2010-02-03 Jason Merrill <jason@redhat.com>
6513 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6515 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6518 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6519 (cselib_reset_table): Renamed from...
6520 (cselib_reset_table_with_next_value): ... this.
6521 (cselib_get_next_uid): Renamed from...
6522 (cselib_get_next_unknown_value): ... this.
6523 * cselib.c (next_uid): Renamed from...
6524 (next_unknown_value): ... this.
6525 (cselib_clear_table): Adjust.
6526 (cselib_reset_table): Adjust. Renamed from...
6527 (cselib_reset_table_with_next_value): ... this.
6528 (cselib_get_next_uid): Adjust. Renamed from...
6529 (cselib_get_next_unknown_value): ... this.
6530 (get_value_hash): Use hash.
6531 (cselib_hash_rtx): Likewise.
6532 (new_cselib_val): Adjust. Set and dump uid.
6533 (cselib_lookup_mem): Pass next_uid as hash.
6534 (cselib_subst_to_values): Likewise.
6535 (cselib_log_lookup): Dump uid.
6536 (cselib_lookup): Pass next_uid as hash. Adjust.
6537 (cselib_process_insn): Adjust.
6538 (cselib_init): Initialize next_uid.
6539 (cselib_finish): Adjust.
6540 (dump_cselib_table): Likewise.
6541 * dse.c (canon_address): Dump value uid.
6542 * print-rtl.c (print_rtx): Print value uid.
6543 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6545 (dv_uid): New function, sort of renamed from...
6546 (dv_htab_hash): ... this, reimplemented in terms of it and...
6547 (dv_uid2hash): ... this. New.
6548 (variable_htab_eq): Drop excess assertions.
6549 (tie_break_pointers): Removed.
6550 (canon_value_cmp): Compare uids.
6551 (variable_post_merge_New_vals): Print uids.
6552 (vt_add_function_parameters): Adjust.
6553 (vt_initialize): Reset table. Adjust.
6555 2010-02-03 Richard Guenther <rguenther@suse.de>
6557 PR tree-optimization/42944
6558 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6559 (call_may_clobber_ref_p_1): Likewise. Properly handle
6560 malloc and calloc clobbering errno.
6562 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6564 * doc/invoke.texi: Fix name of sched1 dump.
6566 * opts.c (decode_options): Set flag_tree_switch_conversion
6567 only conditionally on optimize >= 2.
6569 * gcse.c: Assorted comment fixes in pass description.
6571 2010-02-03 Anthony Green <green@moxielogic.com>
6573 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6574 nop padding in order to maintain alignment of storage location of
6575 target function address.
6576 (moxie_trampoline_init): Store target function address at newly
6578 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6580 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6582 2010-02-03 Richard Guenther <rguenther@suse.de>
6585 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6587 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6589 * config.gcc: Reenable check for obsolete targets.
6590 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6591 mips-sgi-irix6.[0-4]*.
6593 2010-02-02 Nick Clifton <nickc@redhat.com>
6595 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6596 constant size of 4 as being the same as 0.
6597 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6598 can take values in the range 0..4.
6600 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6603 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6604 as _darwin10_Unwind_FindEnclosingFunction().
6605 * libgcc-libsystem.ver: New.
6607 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6610 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6611 implicitly set registers.
6613 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6615 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6616 (arm_override_options): Allow automatic selection of the thread
6617 pointer register if thumb2.
6618 (legitimize_pic_address): Improve code sequences for Thumb2.
6619 (arm_call_tls_get_addr): Likewise.
6620 (legitimize_tls_address): Likewise.
6621 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6622 (pic_load_addr_32bit): ... this. New named pattern.
6623 * thumb2.md (pic_load_addr_thumb2): Delete.
6624 (pic_load_dot_plus_four): Delete.
6625 (tls_load_dot_plus_four): New named pattern.
6627 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6630 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6631 Document fix for TLS bug.
6633 2010-01-31 Richard Guenther <rguenther@suse.de>
6635 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6636 conservatively correct.
6638 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6642 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6644 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6646 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6648 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6650 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6652 * config.gcc: Adjust order of makefile fragments for mingw targets.
6654 2010-01-31 Richard Guenther <rguenther@suse.de>
6657 * gimplify.c (gimplify_init_constructor): For volatile LHS
6658 initialize a temporary.
6660 2010-01-31 Matthias Klose <doko@ubuntu.com>
6662 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6664 * configure: Regenerate.
6666 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6668 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6669 the same alias set and their sizes different constantness.
6670 (aliasing_component_refs_p): Revert 2009-10-24 change.
6672 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6674 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6677 2010-01-29 Richard Guenther <rguenther@suse.de>
6679 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6680 Assert we successfully updated the call.
6682 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6684 PR rtl-optimization/42889
6685 * df.h (df_set_bb_dirty_nonlr): New prototype.
6686 * df-core.c (df_set_bb_dirty_nonlr): New function.
6687 * df-scan.c (df_insn_rescan): Call it instead of
6688 df_set_bb_dirty for DEBUG_INSNs.
6690 2010-01-29 Richard Guenther <rguenther@suse.de>
6693 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6694 quadratic behavior in most cases.
6696 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6699 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6700 in the call to gen_x86_movsicc_0_m1.
6702 2010-01-28 Richard Guenther <rguenther@suse.de>
6704 PR tree-optimization/42871
6705 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6707 2010-01-28 Richard Guenther <rguenther@suse.de>
6709 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6710 into call arguments.
6712 2010-01-28 Richard Guenther <rguenther@suse.de>
6715 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6716 the forwarder if the destination is an EH landing pad.
6718 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6720 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6721 block list passed to gimple_duplicate_sese_tail.
6722 (parallelize_loops): Avoid parallelization when the function
6724 Avoid parallelization when the preheader is IRREDUCIBLE.
6725 Try to optimize when estimated_loop_iterations_int is unresolved.
6726 Add the loop's location to the dump file.
6727 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6728 (gimple_duplicate_sese_tail): Remove the check for the latch.
6729 Redirect nexits to the exit block.
6730 Remove handling of the incoming edges to the latch.
6731 Redirect the backedge from the copied latch to the exit bb.
6733 2010-01-28 Michael Matz <matz@suse.de>
6736 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6737 Wrap force_reg into a sequence, emit it before user.
6739 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6741 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6743 (arm_legacy_rev): Likewise.
6744 (thumb_legacy_rev): Likewise.
6746 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6748 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6749 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6750 on MEM's address failed, try avoid_constant_pool_reference and
6751 recurse if it returned something different.
6752 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6753 address, try avoid_constant_pool_reference and recurse if it
6754 returned something different.
6755 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6756 address and avoid_constant_pool_reference returned something
6757 different, don't set have_address.
6759 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6762 * var-tracking.c (val_store): Add modified argument, obey it.
6764 (count_uses): Move down logging of main.
6765 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6766 don't need resolution.
6767 (emit_notes_in_bb): Likewise.
6769 2010-01-27 Richard Guenther <rguenther@suse.de>
6772 * tree-inline.c (remap_decl): Delay remapping of SSA name
6773 default definitions until we need them.
6775 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6777 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6778 (rs6000_delegitimize_address): New function.
6780 * config/s390/s390.c (s390_delegitimize_address): Call
6781 delegitimize_mem_from_attrs.
6784 * tree-inline.c (cannot_copy_type_1): Removed.
6785 (copy_forbidden): Don't forbid copying of functions containing
6786 records/unions with variable length fields.
6788 2010-01-27 Christian Bruel <christian.bruel@st.com>
6792 * config/sh/sh.c (find_barrier): Increase length for non delayed
6793 conditional branches.
6795 2010-01-27 Matthias Klose <doko@ubuntu.com>
6797 * configure.ac (gnu-unique-object): Fix ldd version check.
6798 * configure: Regenerate.
6800 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6802 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6804 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6805 Test for HAVE_GNU_AS value.
6807 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6809 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6810 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6811 INT64_TYPE): Define.
6812 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6813 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6814 INT_LEAST64_TYPE): Define.
6815 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6816 UINT_LEAST64_TYPE): Define.
6817 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6818 INT_FAST64_TYPE): Define.
6819 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6820 UINT_FAST64_TYPE): Define.
6821 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6822 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6823 (SIG_ATOMIC_TYPE): Define.
6825 2010-01-26 Richard Guenther <rguenther@suse.de>
6827 * df-scan.c (df_scan_set_bb_info): Remove assert.
6828 (df_insn_rescan_debug_internal): Merge asserts.
6829 (df_install_ref): Likewise.
6830 (df_mark_reg): Use bitmap_set_range.
6831 (df_hard_reg_used_p): Remove assert.
6832 (df_hard_reg_used_count): Likewise.
6834 2010-01-26 Richard Guenther <rguenther@suse.de>
6836 PR rtl-optimization/42685
6837 * web.c (web_main): Ignore DEBUG_INSNs.
6839 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6841 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6843 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6844 Fix types of fndecl and arglist parameters.
6846 2010-01-26 Richard Guenther <rguenther@suse.de>
6849 * tree-eh.c (unsplit_eh): Skip debug insns.
6851 2010-01-26 Richard Guenther <rguenther@suse.de>
6853 PR tree-optimization/42250
6854 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6856 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6859 * omp-low.c (expand_omp_sections): Only use single_pred if
6860 l2_bb is single_pred_p.
6862 2010-01-25 Christian Bruel <christian.bruel@st.com>
6865 * config/sh/sh.c (find_barrier): Increase length for non delayed
6866 conditional branches.
6867 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6869 2010-01-24 David S. Miller <davem@davemloft.net>
6871 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6872 define if not using GAS.
6873 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6874 Likewise. Delete SECTION_MERGE code, which is only applicable
6877 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6880 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6881 mangling of va_list in system headers.
6883 2010-01-23 Toon Moene <toon@moene.org>
6885 * tree-predcom.c (combine_chains): Return NULL, not false.
6887 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6889 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6890 initialization of variable res to agree with return type.
6892 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6894 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6895 * tree-sra.c: Add include of expr.h.
6897 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6899 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6900 insert the debug stmt on the single non-EH edge from the stmt.
6902 2010-01-22 Richard Henderson <rth@redhat.com>
6905 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6906 the RHS until after generate_subtree_copies has insertted its
6907 code before the current statement.
6909 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6911 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6913 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6915 2010-01-21 Martin Jambor <mjambor@suse.cz>
6917 PR tree-optimization/42585
6918 * tree-sra.c (struct access): New field grp_total_scalarization.
6919 (dump_access): Dump the new field.
6920 (should_scalarize_away_bitmap): New variable.
6921 (cannot_scalarize_away_bitmap): Likewise.
6922 (sra_initialize): Allocate new bitmaps.
6923 (sra_deinitialize): Free new bitmaps.
6924 (create_access_1): New function.
6925 (create_access): Parts moved to create_access_1.
6926 (type_consists_of_records_p): New function.
6927 (completely_scalarize_record): Likewise.
6928 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6929 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6930 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6932 (analyze_all_variable_accesses): Completely scalarize small eligible
6935 2010-01-21 Martin Jambor <mjambor@suse.cz>
6937 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6939 2010-01-21 Andrew Haley <aph@redhat.com>
6941 * gcc.c (process_command): Move lang_specific_driver before
6942 setting cc_libexec_prefix.
6944 2010-01-21 Richard Guenther <rguenther@suse.de>
6947 * fold-const.c (negate_expr_p): Pretend only negative
6948 real constants are easily negatable.
6950 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6951 Jason Merrill <jason@redhat.com>
6953 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6954 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6955 * calls.c (initialize argument_information): Handle it.
6956 * c-common.c (handle_transparent_union_attribute): Use new name.
6957 * c-decl.c (finish_struct): Ditto.
6958 * c-typeck.c (type_lists_compatible_p): Ditto.
6959 (convert_for_assignment): Use new name and also handle record.
6960 * function.c (aggregate_value_p): Handle it.
6961 (pass_by_reference): Ditto.
6962 (assign_parm_data_types): Ditto.
6963 * print-tree.c (print_node): Ditto.
6964 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6965 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6966 * tree.c (first_field): New fn.
6968 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6971 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6972 even when linking statically, for now.
6974 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6977 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6978 without a cselib val.
6979 (count_uses): Accept MO_VAL_SET with no val on stores.
6980 (add_stores): Likewise.
6982 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6984 * var-tracking.c (check_value_val): Add a compile time assertion.
6985 (dv_is_decl_p): Simplify.
6986 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6987 gcc_assert if ENABLE_CHECKING.
6989 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6992 * var-tracking.c: Include tree-flow.h.
6993 (mem_dies_at_call): New.
6994 (dataflow_set_preserve_mem_locs): Use it.
6995 (dataflow_set_remove_mem_locs): Likewise.
6996 (dump_var): Renamed from dump_variable. Adjust all callers.
6997 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6998 * Makefile.in (var-tracking.o): Adjust deps.
7000 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7002 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7004 2010-01-20 Richard Guenther <rguenther@suse.de>
7006 PR tree-optimization/42717
7007 * tree-ssa-dce.c (get_live_post_dom): Remove.
7008 (forward_edge_to_pdom): Take an arbitrary edge to copy
7009 degenerate PHI args from.
7010 (remove_dead_stmt): Use the first post-dominator even if it
7011 does not contain live statements as redirection destination.
7013 2010-01-20 Richard Guenther <rguenther@suse.de>
7015 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7017 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7019 * sel-sched.c (create_speculation_check): Remove set but not used
7021 (try_transformation_cache): Remove set but not used variable ds.
7022 (calculate_privileged_insns): Remove set but not used variables
7023 cur_insn and min_spec_insn.
7024 (find_best_expr): Remove set but not used variable avail_n.
7025 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7027 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7029 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7030 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7033 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7036 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7037 cpu types. Add support for *-sse3 cpu types.
7038 (x86_64-*-*): Ditto.
7040 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7043 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7044 argument, call initializer_constant_valid_p_1 instead of
7045 initializer_constant_valid_p, pass CACHE to it, return NULL
7046 immediately if first call returns NULL.
7047 (initializer_constant_valid_p_1): New function.
7048 (initializer_constant_valid_p): Use it.
7050 2010-01-20 Thomas Quinot <quinot@adacore.com>
7052 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7054 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7056 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7057 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7058 (loc_list_from_tree): Don't handle unsigned division. Handle
7059 signed modulo using DW_OP_{over,over,div,mul,minus}.
7060 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7061 modulo instead of signed.
7063 2010-01-20 DJ Delorie <dj@redhat.com>
7065 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7067 (h8300_emit_stack_adjustment): Propogate it.
7069 (h8300_expand_prologue): Likewise.
7070 (h8300_expand_epilogue): Likewise.
7072 2010-01-19 Michael Matz <matz@suse.de>
7074 PR tree-optimization/41783
7075 * tree-data-ref.c (toplevel): Include flags.h.
7076 (dump_data_dependence_relation): Also dump the inputs if the
7077 result will be unknown.
7078 (split_constant_offset_1): Look through some conversions.
7079 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7080 the offset from last element is too large.
7081 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7082 (reassociate_to_the_same_stmt): Handle vector registers.
7083 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7085 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7086 wide_prolog_niters argument, emit widening instructions.
7087 (vect_do_peeling_for_alignment): Adjust caller, use widened
7088 variant of the iteration cound.
7089 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7091 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7094 * config/arm/neon-testgen.m (emit_automatics): New parameter
7095 features. Adjust for Fixed_return_reg feature.
7096 (test_intrinsic): Call emit_automatics with new feature.
7097 * config/arm/neon.ml: Update copyright years.
7098 (features): New Fixed_return_reg feature.
7099 (ops): Update feature for Vget_low.
7101 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7103 PR tree-optimization/42719
7104 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7108 * fwprop.c (all_uses_available_at): Return false if def_set dest
7109 is a REG that is used in def_insn.
7111 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7113 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7115 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7118 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7120 * target.h (struct gcc_target) <secondary_reload>: Change type
7121 of last argument to secondary_reload_info *.
7123 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7126 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7127 memory references with unaligned offsets. Remove CQImode handling.
7128 (unaligned_memory_operand): Return 1 for memory references with
7129 unaligned offsets. Remove CQImode handling.
7131 2010-01-18 Richard Guenther <rguenther@suse.de>
7134 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7137 2010-01-18 Richard Guenther <rguenther@suse.de>
7139 PR tree-optimization/42781
7140 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7141 restrict processing only if the original variable was artificial.
7143 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7145 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7146 find number of popped argument bytes.
7148 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7149 Fix the text that describes the return value for invalid insns.
7151 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7153 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7154 Clarify what 'cost of the -dependence' is. Fix quoting.
7156 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7157 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7159 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7161 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7162 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7164 2010-01-17 Richard Guenther <rguenther@suse.de>
7167 * function.c (split_complex_args): Take a VEC to modify.
7168 (assign_parms_augmented_arg_list): Build a VEC instead of
7169 a chain of PARM_DECLs.
7170 (assign_parms_unsplit_complex): Take a VEC of arguments.
7171 Do not fixup unmodified parms.
7172 (assign_parms): Deal with the VEC.
7173 (gimplify_parameters): Likewise.
7175 2010-01-17 Richard Guenther <rguenther@suse.de>
7177 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7178 node existence check.
7179 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7180 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7181 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7182 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7183 (gimple_execute_on_growing_pred): Likewise.
7185 2010-01-17 Richard Guenther <rguenther@suse.de>
7187 PR tree-optimization/42773
7188 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7189 (compute_antic_aux): Likewise.
7190 (compute_partial_antic_aux): Likewise.
7192 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7195 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7198 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7200 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7203 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7204 Fix markup for strict argument.
7206 (TARGET_SCHED_REORDER2): Fix argument types.
7208 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7209 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7211 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7212 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7214 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7217 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7218 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7219 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7220 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7221 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7223 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7225 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7227 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7228 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7230 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7232 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7235 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7237 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7238 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7240 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7242 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7244 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7245 referring to it. Fix language.
7247 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7249 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7251 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7253 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7255 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7256 '@var{stream}. Remove stray 'and'.
7258 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7260 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7262 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7264 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7265 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7267 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7268 Fix description of return value.
7269 Rename argument "sz" to "len."
7271 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7272 Clarify meaning of 'true' return value.
7274 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7276 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7277 rep_mode versus mode_rep.
7279 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7281 (TARGET_BUILTIN_DECL): Fix name.
7283 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7285 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7287 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7289 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7291 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7293 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7296 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7297 Rename argument tm_fn to md_fn.
7299 (TARGET_OPTION_PRINT): Fix argument list.
7301 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7304 * config/i386/i386.c (ix86_fixup_binary_operands):
7305 Revert FMA4 fixup of operands.
7307 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7310 * Makefile.in (write_entries_to_file, install-plugin):
7311 Use \012 instead of \n with tr.
7313 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7315 * configure.ac (HAVE_AS_REF): New C macro.
7316 * configure: Regenerate.
7317 * config.in: Likewise.
7318 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7320 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7323 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7325 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7327 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7329 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7331 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7333 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7335 (TARGET_BINDS_LOCAL_P): Fix argument type.
7337 (TARGET_ASM_FILE_END): Use prototype.
7339 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7341 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7343 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7345 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7347 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7348 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7350 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7351 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7353 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7354 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7355 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7356 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7358 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7360 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7362 (TARGET_INIT_BUILTINS): Use prototype.
7364 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7365 Put 'const char *' in braces. Fix parameter types.
7366 (TARGET_INVALID_CONVERSION): Fix parameter types.
7367 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7368 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7370 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7373 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7375 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7377 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7379 * doc/tm.texi (TARGET_HELP): Fix return type.
7381 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7382 in braces. Fix argument types.
7384 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7386 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7388 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7390 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7391 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7393 (TARGET_MANGLE_TYPE): Fix argument types.
7395 (TARGET_IRA_COVER_CLASSES): Use prototype.
7397 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7399 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7401 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7403 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7405 (TARGET_CALLEE_COPIES): Fix argument types.
7407 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7409 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7411 (TARGET_FUNCTION_VALUE): Fix argument types.
7413 (TARGET_RETURN_IN_MSB): Fix argument type.
7415 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7417 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7419 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7421 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7422 agree with return type.
7424 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7426 2010-01-15 Jing Yu <jingyu@google.com>
7428 PR rtl-optimization/42691
7429 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7430 a pseudo to a constant and are merged, and adjust comments.
7432 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7434 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7436 2010-01-15 Richard Guenther <rguenther@suse.de>
7439 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7440 labels of computed or non-local gotos to the destination.
7441 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7442 landing pad label is the first label.
7444 2010-01-15 Richard Guenther <rguenther@suse.de>
7446 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7448 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7451 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7452 to allow generation of the xssqrtdp instruction on power7.
7453 (sqrtdf2_fpr): Ditto.
7455 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7458 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7459 functions with noreturn attribute.
7462 * varasm.c (declare_weak): Add weak attribute to decl if it
7463 doesn't have one already.
7464 (assemble_external): Only add decls to weak_decls if they also
7465 have weak attribute.
7467 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7469 * var-tracking.c (var_reg_delete): Don't delete the association
7470 between REGs and values or one-part variables if the register
7473 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7476 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7477 because its first operand is a non-localized variable.
7479 2010-01-14 Martin Jambor <mjambor@suse.cz>
7481 PR tree-optimization/42706
7482 * tree-sra.c (encountered_recursive_call): New variable.
7483 (encountered_unchangable_recursive_call): Likewise.
7484 (sra_initialize): Initialize both new variables.
7485 (callsite_has_enough_arguments_p): New function.
7486 (scan_function): Call decl and flags check only for IPA-SRA, check
7487 whether there is a recursive call and whether it has enough arguments.
7488 (all_callers_have_enough_arguments_p): New function.
7489 (convert_callers): Look for recursive calls only when
7490 encountered_recursive_call is set.
7491 (ipa_early_sra): Bail out either if
7492 !all_callers_have_enough_arguments_p or
7493 encountered_unchangable_recursive_call.
7495 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7497 * sel-sched.c: Add 2010 to copyright years.
7498 * sel-sched-ir.c: Likewise.
7499 * sel-sched-ir.h: Likewise.
7501 2010-01-14 Martin Jambor <mjambor@suse.cz>
7503 PR tree-optimization/42714
7504 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7505 constructors specially.
7507 2010-01-14 Andi Kleen <ak@linux.intel.com>
7509 * config/i386/drivers-i386.c (detect_caches_intel):
7510 Add l2sizekb parameter and fill in.
7511 (host_detect_local_cpu): Add l2sizekb, fill in.
7512 Add Atom small cache heuristic.
7514 2010-01-14 Andi Kleen <ak@linux.intel.com>
7516 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7517 Add level3 parameter and fill in.
7518 (detect_caches_intel): Handle level3 cache.
7520 2010-01-14 Andi Kleen <ak@linux.intel.com>
7522 * config/i386/drivers-i386.c (host_detect_local_cpu):
7523 Fix core duo detection.
7525 2010-01-14 Andi Kleen <ak@linux.intel.com>
7527 * config/i386/drivers-i386.c (host_detect_local_cpu):
7530 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7532 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7533 (rs6000_variable_issue_1): this. Use...
7534 (rs6000_variable_issue): here. Reimplement. Print debug info.
7536 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7538 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7539 sel_restore_notes. Update all callers. Call reemit_notes
7542 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7544 PR rtl-optimization/42246
7545 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7548 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7550 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7551 all successors is the same as number of successors in current region.
7553 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7555 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7556 to rename is not separable. Otherwise check that its LHS is not NULL.
7558 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7560 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7562 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7564 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7565 available registers when failed to discover LHS register class.
7566 Fix indentation. Update comment.
7568 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7569 Alexander Monakov <amonakov@ispras.ru>
7571 PR rtl-optimization/42389
7572 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7574 (advance_state_on_fence): Likewise.
7575 (sel_target_adjust_priority): Print debug output only when
7576 sched_verbose >= 4, not 2.
7577 (get_expr_cost): Do not issue all unique insns on the next cycle.
7578 (fill_insns): Initialize can_issue_more from the value saved
7580 * sel-sched-ir.c (flist_add): New parameter issue_more.
7581 Init FENCE_ISSUE_MORE with it.
7582 (merge_fences): Likewise.
7583 (init_fences): Update call to flist_add.
7584 (add_to_fences, add_clean_fence_to_fences)
7585 (add_dirty_fence_to_fences): Likewise.
7586 (move_fence_to_fences): Update call to merge_fences.
7587 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7589 * sel-sched-ir.h (struct _fence): New field issue_more.
7590 (FENCE_ISSUE_MORE): New accessor macro.
7592 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7594 PR rtl-optimization/42388
7595 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7596 that have no predecessors nor successors. Do not call move_bb_info
7597 for empty blocks outside of current region.
7599 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7601 PR rtl-optimization/42294
7602 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7603 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7604 originators' originators.
7606 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7608 PR rtl-optimization/39453
7609 PR rtl-optimization/42246
7610 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7612 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7614 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7615 Alexander Monakov <amonakov@ispras.ru>
7618 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7619 (maybe_tidy_empty_bb): ... here. Make static. Add new
7620 argument. Update all callers.
7621 (tidy_control_flow): ... and here. Recompute topological order
7622 of basic blocks in region if necessary.
7623 (sel_redirect_edge_and_branch): Change return type. Return true
7624 if topological order might have been invalidated.
7625 (purge_empty_blocks): Export and move from...
7626 * sel-sched.c (purge_empty_blocks): ... here.
7627 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7628 (maybe_tidy_empty_bb): Delete prototype.
7629 (purge_empty_blocks): Declare.
7631 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7633 PR rtl-optimization/42249
7634 * sel-sched.c (try_replace_dest_reg): When chosen register
7635 and original register is the same, do not bail out early, but
7636 still check all original insns for validity of replacing destination
7637 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7640 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7643 Port from no-undefined-overflow branch:
7644 2009-03-09 Richard Guenther <rguenther@suse.de>
7646 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7648 2010-01-14 Richard Guenther <rguenther@suse.de>
7651 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7653 2010-01-14 Ira Rosen <irar@il.ibm.com>
7655 PR tree-optimization/42709
7656 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7657 as scalar type in creation of constant vector operand.
7659 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7662 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7663 (check-parallel-%): Match `testsuite' directory component only
7666 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7668 PR translation/39521
7669 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7672 2010-01-13 Richard Guenther <rguenther@suse.de>
7674 PR tree-optimization/42730
7675 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7678 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7681 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7682 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7685 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7687 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7688 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7689 ___umulsi3_highpart.
7691 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7692 rather than schedule_insns if the pass is enabled.
7694 2010-01-13 Martin Jambor <mjambor@suse.cz>
7696 PR tree-optimization/42704
7697 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7700 2010-01-13 Martin Jambor <mjambor@suse.cz>
7702 PR tree-optimization/42703
7703 * tree-sra.c (analyze_access_subtree): Check that we can build a
7704 reference to the original data within the aggregate.
7706 2010-01-13 Richard Guenther <rguenther@suse.de>
7708 PR tree-optimization/42705
7709 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7711 2010-01-13 Richard Guenther <rguenther@suse.de>
7714 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7716 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7719 * var-tracking.c (values_to_unmark): New variable.
7720 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7721 values_to_unmark vector. Moved body to...
7722 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7723 instead queue it into values_to_unmark vector.
7724 (vt_find_locations): Free values_to_unmark vector.
7726 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7728 * config/s390/s390.c (override_options): Set
7729 default of max-pending-list-length to 256
7731 2010-01-13 Richard Guenther <rguenther@suse.de>
7734 * tree-pass.h (PROP_gimple_lcx): New.
7735 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7736 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7737 before the final cleanup_eh.
7738 (dump_properties): Dump PROP_gimple_lcx.
7739 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7740 (tree_lower_complex_O0): Remove.
7741 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7742 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7743 tree_lower_complex, schedule TODO_update_ssa.
7744 * lto-streamer-out.c (output_function): Stream the functions
7746 * lto-streamer-in.c (input_function): Likewise.
7747 (lto_read_body): Do not override them here.
7749 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7752 * c-typeck.c (build_c_cast): Fold value cast to union type before
7753 wrapping it in a CONSTRUCTOR.
7755 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7757 PR rtl-optimization/42699
7758 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7761 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7763 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7764 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7765 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7766 SUBTARGET_WARN_UNUSED_SPEC): ... here
7767 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7769 2010-01-12 Julian Brown <julian@codesourcery.com>
7771 * config/arm/neon-schedgen.ml (Utils): Don't try to
7772 open missing module.
7773 (find_with_result): New.
7775 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7778 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7779 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7781 PR tree-optimization/42645
7782 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7783 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7784 decl_map, set processing_debug_stmt to -1 and return name without
7787 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7789 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7790 binutils version, and reword target configuration description.
7792 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7794 * config/avr/avr.h (LINKER_NAME): Remove.
7796 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7799 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7800 that support VSX, warn for -mno-altivec if vsx is not disabled,
7803 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7804 Shujing Zhao <pearly.zhao@oracle.com>
7806 PR translation/42469
7807 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7808 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7809 character between option name and help text.
7810 * c.opt (imultilib): Likewise.
7812 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7814 * lto-streamer-out.c (output_unreferenced_globals): Output static
7817 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7819 PR rtl-optimization/42621
7820 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7821 optimizing for size.
7822 (duplicate_computed_gotos): Remove now-redundant check.
7824 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7827 * configure.ac: Save and restore LDFLAGS and LIBS
7828 * configure: Regenerate.
7830 2010-01-10 Richard Guenther <rguenther@suse.de>
7833 * builtins.c (fold_builtin_strlen): Add type argument and
7834 convert the resulting length to it.
7835 (fold_builtin_1): Adjust.
7837 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7839 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7840 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7842 (num_insns_constant_wide): Adjust for that change.
7844 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7847 * web.c (union_defs): Add used argument, to combine uses of
7849 (entry_register): Adjust type and tests of used argument.
7850 (web_main): Widen used for new use. Pass it to union_defs.
7851 * df.h (union_defs): Adjust prototype.
7853 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7856 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7857 uses in new incoming argument. Free body.
7858 (reset_debug_uses_in_loop): New.
7859 (analyze_insn_to_expand_var): Call the latter if the former found
7860 anything. Fix whitespace. Reject invalid dest overlaps before
7861 going through all insns in the loop.
7863 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7866 * haifa-sched.c (dying_use_p): Debug insns don't count.
7868 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7871 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7872 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7873 (verify_gimple_call): Reject LHS in noreturn calls.
7875 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7879 * tree-vect-loop-manip.c (adjust_info): New type.
7880 (adjust_vec): New pointer to vector.
7881 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7882 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7883 (slpeel_update_phis_for_duplicate_loop): Use them.
7884 (slpeel_update_phi_nodes_for_guard1): Likewise.
7885 (slpeel_update_phi_nodes_for_guard2): Likewise.
7886 (slpeel_tree_peel_loop_to_edge): Likewise.
7887 (vect_update_ivs_after_vectorizer): Likewise.
7889 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7891 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7892 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7894 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7896 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7897 bogus uninitialized warning.
7899 2010-01-09 Richard Guenther <rguenther@suse.de>
7902 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7903 the evolution is compatible with the initial condition.
7905 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7907 * gcc.c (process_command): Update copyright notice dates.
7908 * gcov.c (print_version): Likewise.
7909 * gcov-dump.c (print_version): Likewise.
7910 * mips-tfile.c (main): Likewise.
7911 * mips-tdump.c (main): Likewise.
7913 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7916 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7918 (rotlhi3_8): Delete.
7920 (rotlsi3_8): Delete.
7921 (rotlsi3_16): Delete.
7922 (rotlsi3_24): Delete.
7924 (*rotw<mode>3): New.
7925 (*rotb<mode>3): New.
7926 * config/avr/avr.c (avr_rotate_bytes): New function.
7927 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7929 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7932 * configure.ac: Modify -rdynamic check.
7933 * configure: Regenerate.
7935 2010-01-08 DJ Delorie <dj@redhat.com>
7937 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7938 register popping order.
7940 2010-01-08 Richard Guenther <rguenther@suse.de>
7943 * c.opt (fsigned-char): Also let LTO handle this option.
7944 (funsigned-char): Likewise.
7946 2010-01-07 Richard Guenther <rguenther@suse.de>
7948 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7949 (gimple_op): Likewise.
7950 (gimple_op_ptr): Likewise.
7951 (gimple_assign_set_lhs): Remove gcc_assert.
7952 (gimple_assign_set_rhs1): Likewise.
7953 (gimple_assign_set_rhs2): Likewise.
7954 (gimple_call_set_lhs): Likewise.
7955 (gimple_call_set_fn): Likewise.
7956 (gimple_call_set_fndecl): Likewise.
7957 (gimple_call_fndecl): Likewise.
7958 (gimple_call_return_type): Likewise.
7959 (gimple_call_set_chain): Likewise.
7960 (gimple_call_num_args): Likewise.
7961 (gimple_call_set_arg): Likewise.
7962 (gimple_cond_set_code): Likewise.
7963 (gimple_cond_set_lhs): Likewise.
7964 (gimple_cond_set_rhs): Likewise.
7965 (gimple_cond_set_true_label): Likewise.
7966 (gimple_cond_set_false_label): Likewise.
7967 (gimple_label_set_label): Likewise.
7968 (gimple_goto_set_dest): Likewise.
7969 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7970 (gimple_debug_bind_get_value): Likewise.
7971 (gimple_debug_bind_get_value_ptr): Likewise.
7972 (gimple_debug_bind_set_var): Likewise.
7973 (gimple_debug_bind_set_value): Likewise.
7974 (gimple_debug_bind_reset_value): Likewise.
7975 (gimple_debug_bind_has_value_p): Likewise.
7976 (gimple_return_retval_ptr): Remove gcc_assert.
7977 (gimple_return_retval): Likewise.
7978 (gimple_return_set_retval): Likewise.
7979 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7980 (safe_referenced_var_iterator): Remove.
7981 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7982 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7983 (fill_referenced_var_vec): Remove.
7984 (first_readonly_imm_use): Remove redundant gcc_assert.
7985 (phi_arg_index_from_use): Combine gcc_asserts.
7986 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7987 (first_imm_use_stmt): Remove redundant gcc_assert.
7988 * tree-cfg.c (verify_gimple_call): Verify function and chain
7989 operands. Verify arguments.
7990 (verify_types_in_gimple_stmt): Verify condition code and labels.
7992 2010-01-07 Richard Guenther <rguenther@suse.de>
7994 PR tree-optimization/42641
7995 * sese.c (rename_map_elt_info): Use the SSA name version, do
7998 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8000 PR tree-optimization/42625
8001 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8002 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8004 2010-01-07 Duncan Sands <baldrick@free.fr>
8006 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8008 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8011 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8012 note itself is not function_invariant_p.
8014 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8016 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8017 Do not add the DF_NOTE problem.
8018 * store-motion.c (execute_rtl_store_motion): Likewise.
8020 2010-01-07 Martin Jambor <mjambor@suse.cz>
8022 PR tree-optimization/42157
8023 * tree-sra.c (compare_access_positions): Stabilize sort if both
8024 accesses have integer types, return zero immediately if they are the
8027 2010-01-06 Richard Henderson <rth@redhat.com>
8030 * haifa-sched.c (add_to_note_list): Merge into ...
8031 (concat_note_lists): ... here, and ...
8032 (unlink_other_notes, rm_other_notes): Merge into...
8033 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8034 NOTE_INSN_EPILOGUE_BEG.
8036 2010-01-06 Richard Guenther <rguenther@suse.de>
8038 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8039 not inline regular functions into always-inline functions.
8041 2010-01-06 Nick Clifton <nickc@redhat.com>
8043 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8044 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8046 (OVERRIDE_OPTIONS): Delete.
8047 (OPTIMIZATION_OPTIONS): Define.
8048 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8049 * config/rx/rx.c (rx_handle_option): Issue an error message if
8050 -mcpu=rx200 and -fpu are used together.
8051 (rx_set_optimization_options): New function. Issue an error
8052 message if an optimization attribute attempts to reset the FPU/
8053 math optimization pairing.
8054 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8055 * config/rx/rx.opt: Set the default to 32-bit doubles.
8056 * config/rx/t-rx: Add multilibs for -nofpu option.
8057 * doc/invoke.texi: Update documentation of RX options.
8059 2010-01-06 Richard Guenther <rguenther@suse.de>
8061 * tree-ssa-pre.c (name_to_id): New global.
8062 (alloc_expression_id): Simplify SSA name handling.
8063 (lookup_expression_id): Likewise.
8064 (init_pre): Zero name_to_id.
8065 (fini_pre): Free it.
8067 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8069 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8071 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8074 * config/i386/sse.md (smaxv2di3): New.
8075 (umaxv2di3): Likewise.
8076 (sminv2di3): Likewise.
8077 (uminv2di3): Likewise.
8079 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8082 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8083 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8084 (legitimize_tls_address): Likewise.
8085 (sparc_tls_referenced_p): Likewise.
8086 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8087 and adjust calls to legitimize_pic_address.
8088 (legitimate_constant_p) Use sparc_tls_referenced_p.
8089 (legitimate_pic_operand_p): Likewise.
8090 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8091 (sparc_tls_symbol_ref_1): Delete.
8092 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8093 (legitimize_tls_address): Make static, handle CONST patterns.
8094 (legitimize_pic_address): Make static, remove unused parameter and
8095 adjust recursive calls.
8096 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8097 and adjust call to legitimize_pic_address.
8098 (sparc_output_mi_thunk): Likewise.
8100 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8101 H.J. Lu <hongjiu.lu@intel.com>
8104 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8105 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8106 operands to make them signed.
8109 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8112 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8113 GTU to GT for V4SI and V2DI.
8115 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8116 (umin<mode>3): Removed.
8118 (uminv4si3): Likewise.
8120 2010-01-05 Martin Jambor <mjambor@suse.cz>
8122 PR tree-optimization/42462
8123 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8124 current_function_decl to helper functions and macros.
8126 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8129 * flags.h: Don't include real.h.
8130 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8131 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8132 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8133 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8134 * dominance.c: Update copyright.
8135 * gimple.c (walk_gimple_op): Remove inline.
8136 * tree-ssa-reassoc.c: Include real.h.
8137 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8138 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8140 2010-01-05 Nick Clifton <nickc@redhat.com>
8142 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8143 register to push into the stack frame when the accumulator has to
8144 be saved during interrupts.
8146 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8148 * doc/invoke.texi: Remove the documentation about option
8150 * common.opt (Wunreachable-code): Preserved for backward
8152 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8153 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8154 the backward compatibility flag section.
8156 2010-01-05 Richard Guenther <rguenther@suse.de>
8158 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8160 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8163 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8165 PR tree-optimization/42508
8166 * tree-sra.c (convert_callers): Check for recursive call
8167 by comparing cgraph nodes instead of decls.
8168 (modify_function): Call ipa_modify_formal_parameters also
8169 on all same_body aliases.
8171 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8172 cgraph nodes when checking for same_body aliases.
8174 2010-01-05 Richard Guenther <rguenther@suse.de>
8176 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8177 allocation and lookup.
8178 (get_or_alloc_expr_for_constant): Likewise.
8179 (phi_translate): Sink allocation.
8181 2010-01-04 Richard Guenther <rguenther@suse.de>
8183 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8184 a new entry only if needed.
8185 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8186 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8188 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8190 (phi_translate): Handle CONSTANTs early.
8192 2010-01-04 Martin Jambor <mjambor@suse.cz>
8194 PR tree-optimization/42398
8195 * tree-sra.c (struct access): Removed flag grp_different_types.
8196 (dump_access): Do not dump the removed flag.
8197 (sort_and_splice_var_accesses): Do not set the removed flag.
8198 (sra_modify_expr): Check for type compatibility directly.
8200 2010-01-04 Martin Jambor <mjambor@suse.cz>
8202 PR tree-optimization/42366
8203 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8204 edges with variable number of parameters.
8205 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8206 flag instead of asserting it.
8207 (ipa_read_node_info): Read uses_analysis_done flag.
8209 2010-01-04 Richard Guenther <rguenther@suse.de>
8211 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8212 iterative_hash_* as intended.
8213 (vn_reference_compute_hash): Likewise. Simplify hashing
8215 (vn_reference_lookup_2): Likewise.
8216 (vn_nary_op_compute_hash): Likewise.
8217 (vn_phi_compute_hash): Likewise.
8218 (expressions_equal_p): Remove strange code.
8219 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8220 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8221 (bitmap_insert_into_set_1): Take value-id as parameter.
8222 (add_to_value): Pass it.
8223 (bitmap_insert_into_set): Likewise.
8224 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8226 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8229 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8230 (do_self_spec): For switches with SWITCH_IGNORE set set also
8231 SWITCH_IGNORE_PERMANENTLY.
8232 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8235 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8237 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8238 tree of an unreferenced global var.
8240 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8243 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8244 GTU to GT for V4SI and V2DI.
8246 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8247 (umin<mode>3): Removed.
8249 (uminv4si3): Likewise.
8251 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8254 * collect2.c (main): Turn on trace in collect2 if -v is passed
8257 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8259 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8260 description of expression operand.
8262 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8264 * configure.ac: Add install-html to target_list for Make-hooks.
8265 * configure: Regenerate.
8266 * fortran/Make-lang.in (F95_HTMLFILES): New.
8267 (fortran.html): Use it.
8268 (fortran.install-html): New.
8269 * Makefile.in (install-html): Add lang.install-html.
8270 * java/Make-lang.in (JAVA_HTMLFILES): New.
8271 (java.html): Use it.
8272 (java.install-html): New.
8273 * objc/Make-lang.in (objc.install-html): New.
8274 * objcp/Make-lang.in (obj-c++.install-html): New.
8275 * cp/Make-lang.in (c++.install-html): New.
8276 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8277 * lto/Make-lang.in (lto.install-html): New.
8279 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8282 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8284 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8286 PR rtl-optimization/41862
8287 * store-motion.c (store_killed_in_insn, compute_store_table,
8288 remove_reachable_equiv_notes, replace_store_insn,
8289 build_store_vectors): Ignore all DEBUG_INSNs.
8291 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8294 * common.opt: Add dumpdir.
8296 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8298 (option_map): Add --dumpdir.
8300 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8302 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8304 * opts.c (decode_options): Try dump_dir_name first if
8305 dump_base_name isn't an absolute path.
8306 (common_handle_option): Handle OPT_dumpdir.
8308 * toplev.c (dump_dir_name): New.
8309 (print_switch_values): Also ignore -dumpdir.
8311 * toplev.h (dump_dir_name): New.
8313 2010-01-03 Richard Guenther <rguenther@suse.de>
8315 PR tree-optimization/42589
8316 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8317 double-word expansion of bswap32.
8319 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8321 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8322 with BLOCK_FOR_INSN.
8323 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8324 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8325 noce_process_if_block): Likewise.
8326 * gcse.c (compute_local_properties, insert_expr_in_table,
8327 insert_set_in_table, canon_list_insert, find_avail_set,
8328 pre_insert_copy_insn): Likewise.
8330 * basic-block.h (BLOCK_NUM): Move from here...
8331 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8333 2010-01-03 Richard Guenther <rguenther@suse.de>
8335 PR tree-optimization/42438
8336 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8337 contains_may_not_return_call flag.
8338 (BB_MAY_NOTRETURN): New.
8339 (valid_in_sets): Trapping nary operations are not valid
8340 in blocks that may not return.
8341 (insert_into_preds_of_block): Remove check for trapping expressions.
8342 (compute_avail): Compute also BB_MAY_NOTRETURN.
8344 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8346 * doc/invoke.texi: Add 2010 to copyright years.
8348 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8350 * config/sparc/sparc.c: Fix formatting nits.
8352 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8353 Alexander Monakov <amonakov@ispras.ru>
8355 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8357 2010-01-02 Richard Guenther <rguenther@suse.de>
8360 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8361 (simplify_switch_using_ranges): Mark to be removed edges
8364 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8366 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8368 * collect2.c (scan_libraries): Add missing argument in call to
8371 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8374 * config/alpha/predicates.md (aligned_memory_operand): Return false
8376 (unaligned_memory_operand): Return true for CQImode.
8377 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8378 doesn not cross aligned SImode word boundary.
8380 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8382 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8384 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8385 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8387 2010-01-02 Richard Guenther <rguenther@suse.de>
8390 * toplev.c (compile_file): Emit LTO marker properly. Change
8392 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8394 2010-01-01 Richard Guenther <rguenther@suse.de>
8397 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8399 2010-01-01 Richard Guenther <rguenther@suse.de>
8402 * c-decl.c (grokdeclarator): For zero-size arrays force
8403 structural equality checks as layout_type does.
8405 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8407 * builtins.c: Update copyright to 2010.
8409 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8412 * lto-streamer-out.c (produce_asm): Revert the last change.
8413 (copy_function): Likewise.
8415 * lto-streamer.c (lto_get_section_name): Skip any leading
8418 2010-01-01 Richard Guenther <rguenther@suse.de>
8421 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8425 Copyright (C) 2010 Free Software Foundation, Inc.
8427 Copying and distribution of this file, with or without modification,
8428 are permitted in any medium without royalty provided the copyright
8429 notice and this notice are preserved.