1 2010-05-06 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/43571
4 * domwalk.c (walk_dominator_tree): Walk the dominator
5 sons in more optimal order.
7 2010-05-06 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/43934
10 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
11 (stmt_cost): Likewise.
12 (extract_true_false_args_from_phi): New helper.
13 (determine_max_movement): For PHI nodes verify we can hoist them
14 and compute their cost.
15 (determine_invariantness_stmt): Handle PHI nodes.
16 (move_computations_stmt): Likewise. Hoist PHI nodes in
17 if-converted form using COND_EXPRs.
18 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
20 (tree_ssa_lim): Likewise.
21 * tree-flow.h (tree_ssa_lim): Adjust prototype.
22 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
24 2010-05-06 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/43987
27 * tree-ssa-structalias.c (could_have_pointers): For possibly
28 address-taken variables force pointers to be recorded.
29 (create_variable_info_for_1): Likewise.
30 (push_fields_onto_fieldstack): Pass in wheter all fields
32 (find_func_aliases): Query types instead of vars whether
33 they contain pointers where appropriate.
35 2010-05-06 Jan Hubicka <jh@suse.cz>
37 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
38 (record_reference, mark_address, mark_load, mark_store): Record
40 (record_references_in_initializer): Update call of record_references.
41 (rebuild_cgraph_edges): Remove all references before rebuiding.
42 * cgraph.c (cgraph_create_node): Clear ref list.
43 (cgraph_remove_node): Remove references.
44 (dump_cgraph_node): Dump references.
45 (cgraph_clone_node): Clone references.
46 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
47 (struct cgraph_node, varpool_node): Add ref_lst.
48 * ipa-ref.c: New file.
49 * ipa-ref.h: New file.
50 * ipa-ref-inline.h: New file.
51 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
52 (referenced_from_other_partition_p): New function.
53 (lto_output_varpool_node): Take set arugment; call
54 referenced_from_other_partition.
55 (lto_output_ref): New.
56 (add_references): New.
58 (output_cgraph): Compute boundary based on references;
60 (output_varpool): Accept cgraph_node_set argument.
63 (input_cgraph): Call input_refs.
64 * lto-section-in.c (lto_section_name): Add refs.
65 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
66 (ipa-ref.o): New file.
67 * varpool.c (varpool_node): Clear ipa ref list.
68 (varpool_remove_node): Remove references.
69 (dump_varpool_node): Dump references.
70 (varpool_assemble_decl): Only compile finalized ones.
71 (varpool_extra_name_alias): Initialize ref list.
72 * lto-streamer.c (lto-get_section_name): Add .refs section.
73 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
74 (referenced_from_other_partition_p): Declared.
76 2010-05-06 Ira Rosen <irar@il.ibm.com>
78 PR tree-optimization/43901
79 * tree-vect-stmts.c (vectorizable_call): Assert that vector
80 type is not NULL if it's transformation phase, and return
81 FALSE if it's analysis.
82 (vectorizable_conversion, vectorizable_operation,
83 vectorizable_type_demotion, vectorizable_type_promotion):
86 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
88 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
90 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
92 * config/mips/mips-protos.h
93 (mips_small_register_classes_for_mode_p): Delete prototype.
95 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
97 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
98 * config/arm/arm.c (multiple_operation_profitable_p,
99 compute_offset_order): New static functions.
100 (load_multiple_sequence, store_multiple_sequence): Use them.
101 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
102 memory offsets, not register numbers.
103 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
105 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
107 * stor-layout.c (pending_sizes): Change the type to
109 (get_pending_sizes, put_pending_size, put_pending_sizes):
110 Update the uses of pending_sizes.
111 * c-decl.c (store_parm_decls): Likewise.
112 * c-tree.h (struct c_arg_info): Likewise.
113 * tree.h: Update the prototype for get_pending_sizes and
116 2010-05-05 Jason Merrill <jason@redhat.com>
119 * c-common.c (handle_aligned_attribute): Respect
120 ATTR_FLAG_TYPE_IN_PLACE.
123 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
124 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
125 (TARGET_INITIALIZER): Use it.
126 * c-common.c (attribute_takes_identifier_p): Call it.
127 * c-common.h: Update prototype.
128 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
129 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
131 2010-05-05 Jakub Jelinek <jakub@redhat.com>
134 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
135 DW_ID_down_case for Fortran compilation units.
137 2010-05-05 Jan Hubicka <jh@suse.cz>
139 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
142 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
144 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
145 a variable-sized RESULT_DECL.
147 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
149 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
151 2010-05-05 Jason Merrill <jason@redhat.com>
154 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
156 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
158 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
159 Jakub Jelinek <jakub@redhat.com>
162 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
163 (dead_debug_init, dead_debug_finish): New functions.
164 (dead_debug_add, dead_debug_insert_before): Likewise.
165 (df_note_bb_compute): Initialize a dead_debug object, add dead
166 debug uses to it, insert debug bind insns before death insns,
167 reset debug insns that refer to pending uses at the end.
168 * rtl.h (make_debug_expr_from_rtl): New prototype.
169 * varasm.c (make_debug_expr_from_rtl): New function.
171 2010-05-05 Jan Hubicka <jh@suse.cz>
173 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
174 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
175 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
176 lto_varpool_encoder_encode_initializer_p,
177 lto_set_varpool_encoder_encode_initializer): New functions.
178 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
180 (input_varpool_node): Do not always set analyzed.
181 (input_cgraph_1): Return vector of cgraph nodes.
182 (input_varpool_1): Return vector of varpools.
183 (input_cgraph): Free the vectors.
184 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
185 output only initializers needed.
186 (lto_output): Only call output_cgraph.
187 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
188 * lto-section-out.c (lto_new_out_decl_state): Initialize
189 state->varpool_node_encoder.
190 * lto-streamer.h (lto_varpool_encoder_d): New.
191 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
192 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
193 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
194 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
195 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
197 (output_varpool, input_varpool): Remove declarations.
199 2010-05-05 Jan Hubicka <jh@suse.cz>
201 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
202 with body can prevail.
204 2010-05-05 Jan Hubicka <jh@suse.cz>
206 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
209 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
211 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
214 * gengtype.h (erro_at_line): Constify pos argument.
216 * gengtype.c: Include hashtab.h.
217 (enum gc_used): Document GC_MAYBE_POINTED_TO.
218 (error_at_line): Constify pos argument.
219 (do_typedef): Initialize p->opt field.
220 (get_file_gtfilename): Fix comment typo.
221 (struct walk_type_data): Constify line field.
222 (get_output_file_for_structure): New function.
223 (write_local_func_for_structure): Constify orig_s argument.
224 Use get_output_file_for_structure.
225 (write_func_for_structure): Use get_output_file_for_structure.
226 (INDENT): New define.
227 (dump_pair, dump_type, dump_type_list, dump_typekind)
228 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
229 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
231 (seen_types): New variable.
232 (main): New variable do_dump. Process "-d" command line option.
233 Call dump_everything if dump requested.
235 2010-05-05 Jakub Jelinek <jakub@redhat.com>
237 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
238 in a temporary instead of invoking the macro multiple times.
239 (track_expr_p): Likewise.
241 2010-05-04 Neil Vachharajani <nvachhar@google.com>
243 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
245 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
246 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
247 conditions for printing notes.
248 * common.opt (-Wcoverage-mismatch): Allow negative, default to
249 true, update documentation.
250 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
252 2010-05-04 Jakub Jelinek <jakub@redhat.com>
255 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
258 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
261 * config/i386/i386.md (sse_prologue_save): Add clobber CC
263 (*sse_prologue_save_insn1): Likewise.
264 (SSE prologue save splitter): Likewise.
266 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
268 * tree.c (free_lang_data_in_one_sizepos): New inline function.
269 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
270 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
271 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
272 all decls. Call it on DECL_FIELD_OFFSET of fields.
273 (find_decls_types_r): Follow DECL_VALUE_EXPR.
274 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
276 2010-05-04 Martin Jambor <mjambor@suse.cz>
278 * tree-sra.c (build_access_from_expr_1): The first parameter type
279 changed to simple tree.
280 (build_access_from_expr): Likewise, gsi parameter was eliminated.
281 (scan_assign_result): Renamed to assignment_mod_result, enum elements
283 (build_accesses_from_assign): Removed all parameters except for a
284 simple gimple statement. Now returns a simple bool.
285 (scan_function): All non-analysis parts moved to separate functions
286 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
287 parameters and updated both callers.
288 (sra_modify_expr): Removed parameter data.
289 (sra_modify_function_body): New function.
290 (perform_intra_sra): Call sra_modify_function_body to modify the
292 (replace_removed_params_ssa_names): Parameter data changed into
294 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
295 changed the parameter dont_convert to convert with the opposite
297 (sra_ipa_modify_assign): Parameter data changed into adjustments
298 vector, return value changed to bool.
299 (ipa_sra_modify_function_body): New function.
300 (sra_ipa_reset_debug_stmts): Updated a comment.
301 (modify_function): Use ipa_sra_modify_function_body to modify function
304 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
307 * alias.c (true_dependence): Handle the same VALUE in x and mem.
308 (canon_true_dependence): Likewise.
309 (write_dependence_p): Likewise.
311 2010-05-04 Jan Hubicka <jh@suse.cz>
313 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
314 * cgraphbuild.c: Include ipa-utils.h
315 (record_reference_ctx): New struct.
316 (record_reference): Simplify to work on initializers; not statements.
317 (mark_address, mark_load, mark_store): New.
318 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
320 (record_references_in_initializer): Update use of record_reference.
321 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
324 2010-05-04 Jan Hubicka <jh@suse.cz>
326 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
327 node will be removed anyway.
328 (lto_varpool_replace_node): Allow also unanalyzed nodes;
329 relink aliases of node into prevailing node.
330 * varpool.c (varpool_remove_node): Remove aliases properly;
331 when removing node, remove all its aliases too; remove DECL_INITIAL
332 of removed node; ggc_free the varpool node.
334 2010-05-04 Richard Guenther <rguenther@suse.de>
336 PR tree-optimization/43879
337 * tree-ssa-structalias.c (alias_get_name): Use
338 DECL_ASSEMBLER_NAME if available.
339 (create_function_info_for): Return the varinfo node.
340 (ipa_pta_execute): Associate same-body aliases and extra names
341 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
343 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
345 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
348 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
351 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
352 only if HONOR_REG_ALLOC_ORDER is not defined.
354 2010-05-04 Richard Guenther <rguenther@suse.de>
356 PR tree-optimization/43949
357 * tree-vrp.c (extract_range_from_binary_expr): Only handle
360 2010-04-26 Jason Merrill <jason@redhat.com>
362 * c.opt (-fstrict-enums): New.
363 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
365 2010-05-03 David Ung <davidu@mips.com>
366 James E. Wilson <wilson@codesourcery.com>
368 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
369 emit the trap instruction before the divide for TUNE_74K.
371 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
373 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
374 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
375 based on the above, for new target hook.
377 * hooks.c (hook_bool_mode_true): New generic hook.
378 * hooks.h (hook_bool_mode_true): Add prototype.
380 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
382 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
383 target hook, set to hook_bool_mode_false.
384 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
385 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
386 with targetm.small_register_classes_for_mode_p.
387 (find_reusable_reload): Likewise.
388 (combine_reloads): Likewise.
389 * reload1.c (reload_as_needed): Likewise.
390 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
391 * ifcvt.c (noce_process_if_block, check_cond_move_block,
392 dead_or_predicable): Likewise.
393 * regmove.c (optimize_reg_copy_1): Likewise.
394 * calls.c (prepare_call_address): Likewise.
395 (precompute_register_parameters): Likewise.
397 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
399 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
400 implementation of the hook that considers all register classes
401 small except for SH64.
402 (sh_override_options): Use the new hook.
403 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
406 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
408 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
409 implementation of the hook that considers all register classes
411 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
414 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
416 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
417 implementation of the hook that considers all register classes
419 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
422 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
424 * config/m32c/m32c.h: Likewise.
425 * config/pdp11/pdp11.h: Likewise.
426 * config/avr/avr.h: Likewise.
427 * config/xtensa/xtensa.h: Likewise.
428 * config/m68hc11/m68hc11.h: Likewise.
429 * config/mn10300/mn10300.h: Likewise.
430 * config/mcore/mcore.h: Likewise.
431 * config/h8300/h8300.h: Likewise.
432 * config/bfin/bfin.h: Likewise.
434 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
435 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
437 2010-05-03 Anatoly Sokolov <aesok@post.ru>
439 * double-int.h (tree_to_double_int): Remove macro.
440 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
441 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
442 (tree_to_double_int): New function.
443 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
445 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
447 2010-05-03 Richard Guenther <rguenther@suse.de>
449 PR tree-optimization/43971
450 * tree-ssa-structalias.c (get_constraint_for_1): Fix
451 constraints in the !flag_delete_null_pointer_checks case.
453 2010-05-03 Jakub Jelinek <jakub@redhat.com>
456 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
457 result mode matches original rtl mode.
459 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
462 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
464 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
466 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
467 when processing flag options.
469 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
471 * gcov-iov.c (main): Change format string placeholder
472 from %#08x to 0x%08x.
473 * genchecksum.c (dosum): Change format string placeholder
474 from %#02x to 0x%02x.
476 2010-05-02 Richard Guenther <rguenther@suse.de>
478 PR tree-optimization/43879
479 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
481 2010-05-02 Bruno Haible <bruno@clisp.org>
483 * doc/extend.texi (Function Attributes): Fix a typo.
485 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
488 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
489 placeholder from 0x%x to %#x.
490 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
491 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
492 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
493 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
494 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
495 * config/i386/i386.c (ix86_target_string): Ditto.
496 * config/i386/i386.c (output_pic_addr_const): Ditto.
497 (print_operand): Ditto.
499 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
501 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
502 placeholder from 0x%x to %#x.
503 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
504 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
505 (ASM_OUTPUT_DEBUG_DATA): Ditto.
506 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
507 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
508 * optc-gen.awk: Ditto.
509 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
510 (HOST_WIDE_INT_PRINT_HEX): Ditto.
511 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
512 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
514 2010-05-01 Anatoly Sokolov <aesok@post.ru>
516 * target.h (struct calls): Add function_value_regno_p field.
517 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
518 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
519 * targhooks.c (default_function_value_regno_p): New function.
520 * targhooks.h (default_function_value_regno_p): Declare function.
521 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
522 * builtins.c. (apply_result_size): (Ditto.).
523 * combine.c. (likely_spilled_retval_p): (Ditto.).
524 * mode-switching.c. Include 'target.h'.
525 (create_pre_exit): Use function_value_regno_p hook.
526 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
527 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
528 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
530 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
531 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
532 (ix86_function_value_regno_p): Declare as static, change argument
533 type to const unsigned int.
534 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
536 2010-05-01 Richard Guenther <rguenther@suse.de>
538 PR tree-optimization/43949
539 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
541 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
543 2010-05-01 Anatoly Sokolov <aesok@post.ru>
545 * rtl.h (CONST_DOUBLE_P): Define.
546 (rtx_to_double_int): Declare.
547 * emit-rtl.c (rtx_to_double_int): New function.
548 * dwarf2out.c (insert_double): New function.
549 (loc_descriptor, add_const_value_attribute): Clean up, use
550 rtx_to_double_int and insert_double functions.
552 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
554 * doc/extend.texi (Inline): Add missing return keyword to examples.
555 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
558 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
560 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
561 the variable part of the offset as well. Use highest_pow2_factor for
562 all alignment checks.
564 2010-04-30 Richard Guenther <rguenther@suse.de>
566 PR tree-optimization/43879
567 * tree-ssa-structalias.c (type_could_have_pointers): Functions
570 2010-04-30 Jan Hubicka <jh@suse.cz>
572 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
574 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
576 2010-04-30 Jan Hubicka <jh@suse.cz>
578 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
580 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
581 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
582 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
583 cgraph_node_set_needs_ltrans_p): Remove.
585 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
587 * sdbout.c: Include vec.h, do not include varray.h.
588 (deferred_global_decls, sdbout_global_decl,
589 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
590 * toplev.c: Do not include varray.h.
591 (dump_memory_report): Do not dump VARRAY statistics.
592 * gengtype.c (open_base_file): Ignore varray.h.
593 * Makefile.in: Update for abovementioned changes.
594 Remove all traces of varray.c and varray.h.
595 * varray.c: Remove file.
596 * varray.h: Remove file.
598 2010-04-30 Jan Hubicka <jh@suse.cz>
600 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
603 2010-04-30 Jan Hubicka <jh@suse.cz>
605 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
608 2010-04-30 Richard Guenther <rguenther@suse.de>
610 * tree-ssa-structalias.c (get_constraint_for_1): Generate
611 constraints for CONSTRUCTOR.
613 2010-04-30 Richard Guenther <rguenther@suse.de>
616 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
617 first after all lowering passes.
619 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
621 * toplev.c: Include varray.h for statistics dumping.
622 * tree.h: Do not declare varray_head_tag.
623 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
624 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
625 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
626 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
627 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
628 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
629 c-common.c, c-common.h, reg-stack.c, basic-block.h,
630 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
632 * Makefile.in: Update for abovementioned changes.
634 2010-04-30 Jakub Jelinek <jakub@redhat.com>
637 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
639 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
641 * config/picochip/picochip.c (picochip_legitimize_address): Define.
642 Use this function to do machine-specific conversion.
643 (picochip_legitimize_reload_address): Likewise.
644 (picochip_legitimate_address_p): Check valid base register only if
646 (picochip_check_conditional_copy): Check for modw only if opnd is
648 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
649 to call the function in c.
650 * config/picochip/picochip-protos.h
651 (picochip_legitimize_reload_address): Define.
652 * config/picochip/picochip.md (supported_compare1): Define.
654 2010-04-30 Jan Hubicka <jh@suse.cz>
656 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
657 (cgraph_global_info): Remove inlined.
658 (LTO_cgraph_tag_names): Remove.
659 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
660 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
661 simplify cgraph tags and document.
662 (lto_output_node): Use only LTO_cgraph_unavail_node and
663 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
664 for_functions_valid, global info, process and output flags.
665 (input_overwrite_node): Initialize estimated stack size and
666 estimated growth. Do not read flags we no longer store.
667 (input_node): Likewise do not read info no longer stored.
668 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
671 2010-04-30 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/43879
674 * tree-ssa-structalias.c (get_constraint_for_1): Properly
675 handle non-zero initializers.
677 2010-04-30 Richard Guenther <rguenther@suse.de>
679 * builtins.c (fold_builtin_1): Delete free (0).
681 2010-04-29 Jan Hubicka <jh@suse.cz>
683 * gengtype.c (open_base_files): Add lto-streamer.h
684 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
685 (pass_ipa_cp): GGC collect.
686 * toplev. (compile_file): Do not output symbols.
687 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
688 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
689 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
690 * lto-section-in.c: Include ggc.h
691 (lto_new_in_decl_state): Alloc in GGC.
692 (lto_delete_in_decl_state): Likewise.
693 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
696 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
699 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
700 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
701 (HONOR_REG_ALLOC_ORDER): Describe new macro.
702 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
703 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
704 account only if HONOR_REG_ALLOC_ORDER is not defined.
705 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
706 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
708 2010-04-29 Jon Grant <04@jguk.org>
710 * collect2.c (vflag): Change type from int to bool.
712 (helpflag): New global bool.
713 (main): Set vflag and debug with boolean, not integer truth values.
714 Accept new "--help" option and output usage text if found.
715 * collect2.h (vflag): Update prototype.
718 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
721 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
723 2010-04-29 Richard Guenther <rguenther@suse.de>
726 * plugin.h (invoke_plugin_callbacks): Annotate arguments
727 with ATTRIBUTE_UNUSED.
729 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
732 * config/i386/i386.c (get_some_local_dynamic_name): Replace
733 INSN_P with NONDEBUG_INSN_P.
734 (distance_non_agu_define): Likewise.
735 (distance_agu_use): Likewise.
737 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
739 From Dominique d'Humieres <dominiq@lps.ens.fr>
741 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
744 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
746 * plugin.h (invoke_plugin_callbacks): New inline function.
747 * plugin.c (flag_plugin_added): New global flag.
748 (add_new_plugin): Initialize above flag.
749 (invoke_plugin_callbacks): Rename to ...
750 (invoke_plugin_callbacks_full): ... this.
752 2010-04-28 Jan Hubicka <jh@suse.cz>
754 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
755 (lto_varpool_replace_node): New.
756 (lto_symtab_resolve_symbols): Resolve varpool nodes.
757 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
758 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
759 * cgraph.h (varpool_node_ptr): New type.
760 (varpool_node_ptr): New vector.
761 (varpool_node_set_def): New structure.
762 (varpool_node_set): New type.
763 (varpool_node_set): New vector.
764 (varpool_node_set_element_def): New structure.
765 (varpool_node_set_element, const_varpool_node_set_element): New types.
766 (varpool_node_set_iterator): New type.
767 (varpool_node): Add prev pointers, add used_from_other_partition,
769 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
770 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
771 varpool_get_node, varpool_remove_node): Declare.
772 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
773 varpool_node_set_size): New inlines.
774 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
775 * tree-pass.h (varpool_node_set_def): Forward declare.
776 (ipa_opt_pass_d): Summary writting takes vnode sets too.
777 (ipa_write_optimization_summaries): Update prototype.
778 * ipa-cp.c (ipcp_write_summary): Update.
779 * ipa-reference.c (ipa_reference_write_summary): Update.
780 * lto-cgraph.c (lto_output_varpool_node): New static function.
781 (output_varpool): New function.
782 (input_varpool_node): New static function.
783 (input_varpool_1): New function.
784 (input_cgraph): Input varpool.
785 * ipa-pure-const.c (pure_const_write_summary): Update.
786 * lto-streamer-out.c (lto_output): Update, output varpool too.
787 (write_global_stream): Kill WPA hack.
788 (produce_asm_for_decls): Update.
789 (output_alias_pair_p): Handle variables.
790 (output_unreferenced_globals): Output only needed partition of varpool.
791 * ipa-inline.c (inline_write_summary): Update.
792 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
794 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
795 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
796 varpool_node_set_new, varpool_node_set_add,
797 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
798 debug_varpool_node_set): New functions.
799 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
800 (execute_one_pass): Process new decls too.
801 (ipa_write_summaries_2): Pass around vsets.
802 (ipa_write_summaries_1): Likewise.
803 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
805 (ipa_write_optimization_summaries_1): Pass around vsets.
806 (ipa_write_optimization_summaries): Likewise.
807 * varpool.c (varpool_get_node): New.
808 (varpool_node): Update doubly linked lists.
809 (varpool_remove_node): New.
810 (dump_varpool_node): More dumping.
811 (varpool_enqueue_needed_node): Update doubly linked lists.
812 (decide_is_variable_needed): Kill ltrans hack.
813 (varpool_finalize_decl): Kill lto hack.
814 (varpool_assemble_decl): Skip decls in other partitions.
815 (varpool_assemble_pending_decls): Update doubly linkes lists.
816 (varpool_empty_needed_queue): Likewise.
817 (varpool_extra_name_alias): Likewise.
818 * lto-streamer.c (lto_get_section_name): Add vars section.
819 * lto-streamer.h (lto_section_type): Update.
820 (output_varpool, input_varpool): Declare.
822 2010-04-28 Mike Stump <mikestump@comcast.net>
824 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
826 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
828 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
829 record or union type with RECORD_OR_UNION_TYPE_P predicate.
830 (lto_input_ts_type_tree_pointers): Likewise.
831 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
832 (lto_output_ts_type_tree_pointers): Likewise.
834 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
836 Uniquization of constants at the Tree level
837 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
838 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
840 (tree_output_constant_def): Declare.
841 * gimplify.c (gimplify_init_constructor): When using block copy, first
842 uniquize the constant constructor on the RHS.
843 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
844 DECL_IN_CONSTANT_POOL flag.
845 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
846 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
848 (assemble_variable): Deal with symbols belonging to the tree constant
850 (get_constant_section): Add ALIGN parameter and simplify.
851 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
852 (assemble_constant_contents): Use the expression of the VAR_DECL.
853 (output_constant_def_contents): Use the alignment of the VAR_DECL.
854 (tree_output_constant_def): New global function.
855 (mark_constant): Use the expression of the VAR_DECL.
856 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
858 (output_object_block): Likewise and assemble the expression.
860 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
862 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
863 hash_tree, eq_tree): New tree hash table.
864 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
865 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
866 lto_orig_address_remove): Reimplement.
868 2010-04-28 Xinliang David Li <davidxl@google.com>
871 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
872 (compute_uninit_opnds_pos): New function.
873 (is_non_loop_exit_postdominating): New function.
874 (compute_control_dep_chain): New function.
875 (find_pdom): New function.
876 (convert_control_dep_chain_into_preds): New function.
877 (find_predicates): New function.
878 (find_control_equiv_block): New function.
879 (collect_phi_def_edges): New function.
880 (find_def_preds): New function.
881 (find_dom): New function.
882 (dump_predicates): New function.
883 (get_cmp_code): New function.
884 (is_value_included_in): New function.
885 (find_matching_predicate_in_rest_chains): New function.
886 (use_pred_not_overlap_with_undef_path_pred): New function.
887 (is_use_properly_guarded): New function.
888 (normalize_cond_1): New function.
889 (is_and_or_or): New function.
890 (normalize_cond): New function.
891 (is_gcond_subset_of): New function.
892 (is_subset_of_any): New function.
893 (is_or_set_subset_of): New function.
894 (is_and_set_subset_of): New function.
895 (is_norm_cond_subset_of): New function.
896 (is_pred_expr_subset_of): New function.
897 (is_pred_chain_subset_of): New function.
898 (is_included_in): New function.
899 (is_superset_of): New function.
900 (find_uninit_use): New function.
901 (warn_uninitialized_phi): New function.
902 (compute_possibly_undefined_names): New function.
903 (ssa_undefined_value_p): New function.
904 (execute_late_warn_uninitialized): New function.
905 * tree-ssa.c (ssa_undefined_value_p): Removed.
906 (warn_uninit): Changed to extern.
907 (warn_uninitialized_phi): Removed.
908 (warn_uninitialized_vars): Changed to extern.
909 (execute_late_warn_uninitialized): Removed
910 * tree-flow.h: Add new prototypes.
911 * timevar.def: Add new time variable.
912 * Makefile.in: Add new build file.
914 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
916 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
919 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
922 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
924 2010-04-28 Martin Jambor <mjambor@suse.cz>
926 * cgraph.h (struct cgraph_node): New field indirect_calls.
927 (struct cgraph_indirect_call_info): New type.
928 (struct cgraph_edge): Removed field indirect_call. New fields
929 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
930 (cgraph_create_indirect_edge): Declare.
931 (cgraph_make_edge_direct): Likewise.
932 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
933 * ipa-prop.h (struct ipa_param_call_note): Removed.
934 (struct ipa_node_params): Removed field param_calls.
935 (ipa_create_all_structures_for_iinln): Declare.
936 * cgraph.c: Described indirect edges and uids in initial comment.
937 (cgraph_add_edge_to_call_site_hash): New function.
938 (cgraph_edge): Search also among the indirect edges, use
939 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
940 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
941 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
943 (initialize_inline_failed): Assign a reason to indirect edges.
944 (cgraph_create_edge_1): New function.
945 (cgraph_create_edge): Moved some functionality to
946 cgraph_create_edge_1.
947 (cgraph_create_indirect_edge): New function.
948 (cgraph_edge_remove_callee): Add an assert checking for
950 (cgraph_edge_remove_caller): Special-case indirect edges.
951 (cgraph_remove_edge): Likewise.
952 (cgraph_set_edge_callee): New function.
953 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
954 (cgraph_make_edge_direct): New function.
955 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
956 the declaration of the call statement matches.
957 (cgraph_node_remove_callees): Special-case indirect edges.
958 (cgraph_clone_edge): Likewise.
959 (cgraph_clone_node): Clone also the indirect edges.
960 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
961 indirect_call, dump count of indirect_calls edges.
962 * ipa-prop.c (iinlining_processed_edges): New variable.
963 (ipa_note_param_call): Create indirect edges instead of
964 creating notes. New parameter node.
965 (ipa_analyze_call_uses): New parameter node, pass it on to
967 (ipa_analyze_stmt_uses): Likewise.
968 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
969 (print_edge_addition_message): Work on edges rather than on notes.
970 (update_call_notes_after_inlining): Likewise, renamed to
971 update_indirect_edges_after_inlining.
972 (ipa_create_all_structures_for_iinln): New function.
973 (ipa_free_node_params_substructures): Do not free notes.
974 (ipa_edge_duplication_hook): Propagate bits within
975 iinlining_processed_edges bitmap.
976 (ipa_node_duplication_hook): Do not duplicate notes.
977 (free_all_ipa_structures_after_ipa_cp): Renamed to
978 ipa_free_all_structures_after_ipa_cp.
979 (free_all_ipa_structures_after_iinln): Renamed to
980 ipa_free_all_structures_after_iinln.g
981 (ipa_write_param_call_note): Removed.
982 (ipa_read_param_call_note): Removed.
983 (ipa_write_indirect_edge_info): New function.
984 (ipa_read_indirect_edge_info): Likewise.
985 (ipa_write_node_info): Do not stream notes, do stream information
987 (ipa_read_node_info): Likewise.
988 (lto_ipa_fixup_call_notes): Removed.
989 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
990 * ipa-inline.c (pass_ipa_inline): Likewise.
991 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
992 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
993 * tree-inline.c (copy_bb): Removed an unnecessary double check for
995 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
997 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
998 (output_cgraph): Stream also indirect edges.
999 (lto_output_edge): Added capability to stream indirect edges.
1000 (input_edge): Likewise.
1001 (input_cgraph_1): Likewise.
1002 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1005 2010-04-28 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/43879
1008 PR tree-optimization/43909
1009 * tree-ssa-structalias.c (struct variable_info): Add
1010 only_restrict_pointers flag.
1011 (new_var_info): Initialize it. Increment stats.total_vars here.
1012 (create_function_info_for): Do not increment stats.total_vars
1014 (get_function_part_constraint): Fix build with C++.
1015 (insert_into_field_list): Remove.
1016 (push_fields_onto_fieldstack): Properly merge fields.
1017 (create_variable_info_for): Split and simplify.
1018 (create_variable_info_for_1): New piece.
1019 (intra_create_variable_infos): Properly make restrict constraints
1022 2010-04-28 Richard Guenther <rguenther@suse.de>
1025 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1027 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1028 Jan Hubicka <hubicka@ucw.cz>
1030 * doc/invoke.texi (-Wsuggest-attribute=const,
1031 -Wsuggest-attribute=pure): Document.
1032 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1033 (function_always_visible_to_compiler_p,
1034 suggest_attribute, warn_function_pure, warn_function_const):
1036 (check_call): Improve debug info.
1037 (analyze_function): Do not check availability.
1038 (add_new_function): Check availability.
1039 (propagate): Output warnings.
1040 (skip_function_for_local_pure_const): New function.
1041 (local_pure_const): Use it; output warnings.
1042 * common.opt (Wsuggest-attribute=const,
1043 Wsuggest-attribute=pure): New.
1045 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1047 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1048 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1049 or DW_CFA_def_cfa_offset{,_sf}.
1051 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1053 * tree.h: Fix truncated long macros.
1055 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1057 * collect2.c (TARGET_64BIT): Redefine to target's default.
1058 * tlink.c: Likewise.
1059 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1060 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1061 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1062 for underscoring __USER_LABEL_PREFIX__.
1063 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1064 (SUB_LINK_ENTRY32): New.
1065 (SUB_LINK_ENTRY64): New.
1066 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1067 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1068 (SUB_LINK_ENTRY64): New.
1069 (SUB_LINK_ENTRY): New.
1070 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1071 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1072 x64 target is choosen.
1073 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1074 * configure: Regenerated.
1075 * configure.ac (leading-mingw64-underscores): Option added.
1077 2010-04-27 Jan Hubicka <jh@suse.cz>
1079 * doc/invoke.texi (-fipa-profile): Document.
1080 * opts.c (decode_options): Enable ipa-profile at -O1.
1081 * timevar.def (TV_IPA_PROFILE): Define.
1082 * common.opt (fipa-profile): Add.
1083 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1085 (cgraph_propagate_frequency): Handle only local ones.
1086 * tree-pass.h (pass_ipa_profile): Declare.
1087 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1088 (pass_ipa_profile): Use TV_IPA_PROFILE.
1089 * ipa.c (ipa_profile): New function.
1090 (gate_ipa_profile): Likewise.
1091 (pass_ipa_profile): New global variable.
1092 * passes.c (pass_ipa_profile): New.
1094 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1096 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1098 2010-04-27 Martin Jambor <mjambor@suse.cz>
1101 * ipa.c (dissolve_same_comdat_group_list): New function.
1102 (function_and_variable_visibility): Call
1103 dissolve_same_comdat_group_list when comdat group contains external or
1105 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1106 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1108 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1110 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1111 (const_hash_1) <VECTOR_CST>: New case.
1112 (compare_constant) <VECTOR_CST>: Likewise.
1113 <ADDR_EXPR>: Deal with LABEL_REFs.
1114 (copy_constant) <VECTOR_CST>: New case.
1116 2010-04-27 Jan Hubicka <jh@suse.cz>
1118 * cgraph.c (cgraph_propagate_frequency): New function.
1119 * cgraph.h (cgraph_propagate_frequency): Declare.
1120 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1121 cgraph_propagate_frequency.
1123 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1125 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1127 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1130 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1131 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1132 here to determine which regs to push and how much stack to reserve.
1134 2010-04-27 Jie Zhang <jie@codesourcery.com>
1136 * doc/gimple.texi (gimple_statement_with_ops): Remove
1137 addresses_taken field.
1138 (gimple_statement_with_memory_ops): Likewise.
1140 2010-04-27 Jan Hubicka <jh@suse.cz>
1142 * tree-inline.c (eni_inlining_weights): Remove.
1143 (estimate_num_insns): Special case more builtins.
1145 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1148 * c-typeck.c (build_binary_op): Move forward check for comparison
1149 pointer with null pointer constant and adjust the diagnostic message.
1151 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1154 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1155 binutils supports extended .section directive needed by LTO, or
1156 warn if older binutils found.
1157 (LTO_BINARY_READER): New AC_SUBST'd variable.
1158 (LTO_USE_LIBELF): Likewise.
1159 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1161 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1162 (LTO_USE_LIBELF): Likewise.
1163 * configure: Regenerate.
1165 * collect2.c (is_elf): Rename from this ...
1166 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1167 object files in addition to ELF-formatted ones.
1168 (scan_prog_file): Caller updated. Also allow for LTO info marker
1169 symbol to be prefixed or not by an extra underscore.
1171 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1172 * config/i386/winnt.c: Also #include lto-streamer.h
1173 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1175 (i386_pe_asm_output_aligned_decl_common): Add comment.
1176 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1178 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1181 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1182 Add missing earlyclobber for second alternative.
1184 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1186 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1187 bits for artificial defs at the top of the block.
1188 * fwprop.c (single_def_use_enter_block): Don't call it.
1190 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1193 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1194 instead of "$gcc_cv_objdump -T".
1195 Use "-undefined dynamic_lookup" on darwin.
1196 * gcc/configure: Regenerate.
1198 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1201 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1203 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1205 * c-parser.c (struct c_token): Move location field up.
1206 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1207 (struct c_declspecs): Convert typespec_word, storage_class, and
1208 default_int_p into bitfields.
1209 (struct c_declarator): Move loc field up.
1211 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1213 * cfgloop.h (struct loop): Move can_be_parallel field up.
1214 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1215 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1217 (struct iv_cand): Convert pos field into a bitfield.
1218 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1220 (struct _stmt_vec_info): Shuffle fields for better packing.
1222 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1224 * varasm.c (IN_NAMED_SECTION): Remove guard.
1225 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1226 (IN_NAMED_SECTION_P): ...this.
1227 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1228 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1230 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1232 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1233 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1234 of shadowing it. Fix comments.
1236 2010-04-26 Jan Hubicka <jh@suse.cz>
1238 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1239 (cgraph_clone_node): Copy function frequency.
1240 * cgraph.h (node_frequency): New enum
1241 (struct cgraph_node): Add.
1242 * final.c (rest_of_clean_state): Update.
1243 * lto-cgraph.c (lto_output_node): Output node frequency.
1244 (input_overwrite_node): Input node frequency.
1245 * tre-ssa-loop-ivopts (computation_cost): Update.
1246 * lto-streamer-out.c (output_function): Do not output function
1248 * predict.c (maybe_hot_frequency_p): Update and handle functions
1250 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1252 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1253 (compute_function_frequency): Set noreturn functions to be executed
1255 (choose_function_section): Update.
1256 * lto-streamer-in.c (input_function): Do not input function frequency.
1257 * function.c (allocate_struct_function): Do not initialize function
1259 * function.h (function_frequency): Remove.
1260 (struct function): Remove function frequency.
1261 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1262 (try_update): Update.
1263 * tree-inline.c (initialize_cfun): Do not update function frequency.
1264 * passes.c (pass_init_dump_file): Update.
1265 * i386.c (ix86_compute_frame_layout): Update.
1266 (ix86_pad_returns): Update.
1268 2010-04-26 Jie Zhang <jie@codesourcery.com>
1270 PR tree-optimization/43833
1271 * tree-vrp.c (range_int_cst_p): New.
1272 (range_int_cst_singleton_p): New.
1273 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1274 when both operands are constants. Use range_int_cst_p in
1277 2010-04-26 Jan Hubicka <jh@suse.cz>
1279 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1281 2010-04-26 Richard Guenther <rguenther@suse.de>
1284 * gimple.c (gimple_decl_printable_name): Deal gracefully
1285 with a NULL DECL_NAME.
1287 2010-04-26 Richard Guenther <rguenther@suse.de>
1290 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1291 if emitting debug information and it is either a function
1292 or a namespace decl.
1294 2010-04-26 Ira Rosen <irar@il.ibm.com>
1296 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1297 determine if the statement is vectorizable, and a macro to access it.
1298 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1299 Skip statements that can't be vectorized. If the analysis fails,
1300 mark the statement as unvectorizable if vectorizing basic block.
1301 (vect_compute_data_refs_alignment): Likewise.
1302 (vect_verify_datarefs_alignment): Skip statements marked as
1303 unvectorizable. Add print.
1304 (vect_analyze_group_access): Skip statements that can't be
1305 vectorized. If the analysis fails, mark the statement as
1306 unvectorizable if vectorizing basic block.
1307 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1308 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1309 generated stmts for SLP.
1310 (new_stmt_vec_info): Initialize the new field.
1311 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1312 statements marked as unvectorizable.
1314 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1316 * c-common.c (flag_isoc1x): New.
1317 (flag_isoc99): Update comment.
1318 * c-common.h (flag_isoc1x): New.
1319 (flag_isoc99): Update comment.
1320 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1321 __<type>_DECIMAL_DIG__.
1322 * c-opts.c (set_std_c1x): New.
1323 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1324 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1325 * c.opt (-std=c1x, -std=gnu1x): New options.
1326 * doc/cpp.texi: Mention -std=c1x.
1327 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1328 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1329 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1330 * doc/standards.texi: Mention C1X.
1331 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1332 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1333 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1336 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1338 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1339 placeholder from 0x%x to %#x.
1340 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1341 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1342 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1343 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1344 * config/i386/i386.c (ix86_target_string): Ditto.
1345 (output_pic_addr_const): Ditto.
1346 (print_operand): Ditto.
1348 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1350 * combine.c (find_split_point): Add third argument. Use it
1351 to find nested multiply-accumulate instructions. Adjust calls.
1352 (try_combine): Adjust call to find_split_point.
1354 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1356 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1358 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1360 PR tree-optimization/41442
1361 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1362 (fold_binary_loc): Call it.
1364 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1366 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1367 * opts.c (common_handle_option): Allow disabling it.
1368 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1370 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1372 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1373 between modes if both types are integral.
1375 2010-04-23 Richard Guenther <rguenther@suse.de>
1377 PR tree-optimization/43572
1378 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1380 2010-04-23 Richard Guenther <rguenther@suse.de>
1383 * tree-inline.c (tree_can_inline_p): Also check compatibility
1386 2010-04-23 Martin Jambor <mjambor@suse.cz>
1388 PR tree-optimization/43846
1389 * tree-sra.c (struct access): New flag grp_assignment_read.
1390 (build_accesses_from_assign): Set grp_assignment_read.
1391 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1392 (enum mark_read_status): New type.
1393 (analyze_access_subtree): Propagate grp_assignment_read, create
1394 accesses also if both direct_read and root->grp_assignment_read.
1396 2010-04-23 Martin Jambor <mjambor@suse.cz>
1399 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1400 function does not have type attributes.
1402 2010-04-23 Richard Guenther <rguenther@suse.de>
1405 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1408 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1410 * sese.h (create_if_region_on_edge): Remove.
1412 * sese.c (create_if_region_on_edge): Make static.
1414 * tree-inline.c: Do not include ggc.h.
1416 * expr.c: Do not include ggc.h.
1418 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1421 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1424 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1425 in the middle of insns for casesi_worker_2.
1427 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1429 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1431 2010-04-22 Ira Rosen <irar@il.ibm.com>
1433 PR tree-optimization/43842
1434 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1435 loop unrolling in update of exit phis. Fix comment.
1436 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1437 least two reduction statements in the loop before starting SLP
1440 2010-04-22 Nick Clifton <nickc@redhat.com>
1442 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1444 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1446 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1449 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1451 * tree-parloops.c (loop_parallel_p): New argument
1452 parloop_obstack. Pass it down.
1453 (parallelize_loops): New variable parloop_obstack. Initialize it,
1454 pass it down, free it.
1456 * tree-loop-linear.c (linear_transform_loops): Pass down
1459 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1460 of type struct obstack *.
1462 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1463 scratch_obstack. Initialize it, pass down, free it.
1465 * lambda.h (lambda_loop_new): Remove.
1466 (lambda_matrix_new, lambda_matrix_inverse)
1467 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1468 argument of type struct obstack *.
1470 * lambda-trans.c (lambda_trans_matrix_new): New argument
1471 lambda_obstack. Pass it down, use obstack allocation for ret.
1472 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1475 * lambda-mat.c (lambda_matrix_get_column)
1476 (lambda_matrix_project_to_null): Remove.
1477 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1479 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1482 * lambda-code.c (lambda_loop_new): New function.
1483 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1484 (lambda_compute_auxillary_space, lambda_compute_target_space)
1485 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1486 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1487 (build_access_matrix): New argument lambda_obstack. Use obstack
1489 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1490 argument lambda_obstack. Pass it down.
1492 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1494 * optabs.h (expand_widening_mult): Declare.
1496 2010-04-22 Richard Guenther <rguenther@suse.de>
1498 PR tree-optimization/43845
1499 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1500 lookup the CALL_EXPR function and arguments.
1502 2010-04-22 Nick Clifton <nickc@redhat.com>
1504 * config/stormy16/stormy16.c
1505 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1506 * config/stormy16/stormy16.h: Tidy up formatting.
1507 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1508 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1509 (ineqbranchsi): Delete pattern.
1510 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1511 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1512 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1513 stormy16-lib2-ucmpsi2.c.
1515 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1517 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1518 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1519 extra set merge_set_noclobber, and use it to relax the final test
1521 * df.h (df_simulate_find_noclobber_defs): Declare.
1522 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1524 (df_simulate_find_noclobber_defs): New function.
1526 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1528 * config/i386/i386.md: Use {} around multi-line preparation statements.
1530 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1532 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1533 (process_init_element): New argument of type struct obstack *.
1535 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1536 (set_init_index, set_init_label, set_nonincremental_init)
1537 (set_nonincremental_init_from_string, find_init_member)
1538 (output_init_element, output_pending_init_elements)
1539 (process_init_element): New argument braced_init_obstack. Pass it
1541 (push_range_stack, add_pending_init): New argument
1542 braced_init_obstack. Use obstack allocation.
1544 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1545 braced_init_obstack. Pass it down.
1546 (c_parser_braced_init): New variables ret, braced_init_obstack.
1547 Initialize obstack, pass it down and finally free it.
1549 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1552 * tree-pass.h (pass_optimize_widening_mul): Declare.
1553 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1554 gate_optimize_widening_mul): New static functions.
1555 (pass_optimize_widening_mul): New.
1556 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1557 <case MULT_EXPR>: Remove support for widening multiplies.
1558 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1559 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1560 simplify_gen_unary rather than directly building extensions.
1561 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1563 * expmed.c (expand_widening_mult): New function.
1564 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1566 2010-04-21 Jan Hubicka <jh@suse.cz>
1568 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1569 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1570 * lto-wpa-fixup.c: Remove.
1571 * Makefile.in (lto-wpa-fixup.o): Remove.
1572 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1573 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1574 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1576 2010-04-21 Jan Hubicka <jh@suse.cz>
1578 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1579 add write_optimization_summary, read_optimization_summary.
1580 (ipa_write_summaries_of_cgraph_node_set): Remove.
1581 (ipa_write_optimization_summaries): Declare.
1582 (ipa_read_optimization_summaries): Declare.
1583 * ipa-cp.c (pass_ipa_cp): Update.
1584 * ipa-reference.c (pass_ipa_reference): Update.
1585 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1586 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1588 * ipa-inline.c (pass_ipa_inline): Update.
1589 * ipa.c (pass_ipa_whole_program): Update.
1590 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1591 * passes.c (ipa_write_summaries_1): Do not test wpa.
1592 (ipa_write_optimization_summaries_1): New.
1593 (ipa_write_optimization_summaries): New.
1594 (ipa_read_summaries): Do not test ltrans.
1595 (ipa_read_optimization_summaries_1): New.
1596 (ipa_read_optimization_summaries): New.
1598 2010-04-21 Jan Hubicka <jh@suse.cz>
1600 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1602 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1604 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1607 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1608 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1610 2010-04-21 Jan Hubicka <jh@suse.cz>
1612 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1614 2010-04-21 Jan Hubicka <jh@suse.cz>
1616 * varpool.c (decide_is_variable_needed): Variable is always needed
1619 2010-04-21 Jan Hubicka <jh@suse.cz>
1621 * opts.c (decode_options): Enable pure-const pass for whopr.
1623 2010-04-21 Jan Hubicka <jh@suse.cz>
1625 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1626 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1628 (cgraph_decide_inlining): Do not expect callee to be removed in all
1631 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1633 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1635 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1637 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1638 amdfam10_decode attributes.
1640 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1643 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1644 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1645 (lower_copyprivate_clauses): Use private var in outer
1646 context instead of original var. Make sure the types
1647 are correct for VLAs.
1649 2010-04-21 Richard Guenther <rguenther@suse.de>
1651 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1652 to non-pointer objects.
1654 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1656 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1657 last chain entry if it starts with the still current label.
1658 (add_location_or_const_value_attribute): Check that
1659 loc_list->first->next is NULL instead of comparing ->first with ->last.
1660 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1661 to add_var_loc_to_decl.
1663 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1664 >= 4 add also address size and segment size fields into CIE header.
1666 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1667 long as address size is the same as sizeof (void *) and
1669 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1670 address size or segment size is unexpected, return DW_EH_PE_omit.
1671 (classify_object_over_fdes): If get_cie_encoding returned
1672 DW_EH_PE_omit, return -1.
1673 (init_object): If classify_object_over_fdes returned -1,
1674 pretend there were no FDEs at all.
1676 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1678 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1679 bswap{si,di}2 using SWI48 mode iterator.
1680 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1681 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1682 set modrm attribute of bswap insn to 0 and remove length attribute.
1683 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1684 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1685 set mode attribute to <MODE> and remove length attribute.
1687 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1689 PR rtl-optimization/43520
1690 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1691 zero available registers.
1693 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1695 * builtins.c (fold_builtin_cproj): Fold more cases.
1697 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1700 (fold_builtin_1): Fold builtin cproj.
1701 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1702 Use ATTR_CONST_NOTHROW_LIST.
1704 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1706 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1707 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1708 ffsi2_no_cmove for !TARGET_CMOVE.
1709 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1710 (ffssi2): Remove expander.
1711 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1713 (ctz<mode>2): Ditto from ctz{si,di}2.
1714 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1716 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1719 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1721 * dwarf2out.c (AT_linkage_name): Define.
1722 (clone_as_declaration): Handle DW_AT_linkage_name.
1723 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1724 of DW_AT_MIPS_linkage_name.
1725 (move_linkage_attr): Likewise.
1726 (dwarf2out_finish): Likewise.
1728 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1731 * fold-const.c (fold_comparison): New folding rule.
1733 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1735 * double-int.h (double_int_setbit): Declare.
1736 * double-int.c (double_int_setbit): New function.
1737 * rtl.h (immed_double_int_const): Declare.
1738 * emit-rtl.c (immed_double_int_const): New function.
1739 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1740 and immed_double_int_const functions.
1741 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1742 expand_copysign_bit): (Ditto.).
1743 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1744 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1745 * dojump.c (prefer_and_bit_test): (Ditto.).
1746 * expr.c (convert_modes, reduce_to_bit_field_precision,
1747 const_vector_from_tree): (Ditto.).
1748 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1750 2010-04-20 Jan Hubicka <jh@suse.cz>
1752 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1753 (dump_cgraph_node): Dump new flags.
1754 * cgraph.h (struct cgraph_node): Add flags
1755 reachable_from_other_partition and in_other_partition.
1756 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1757 other partition can not be removed.
1758 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1759 the other partition must be output; silence sanity checking on
1760 leaking functions bodies from other paritition.
1761 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1762 (lto_output_node): Output new flags; do not sanity check that inline
1763 clones are output; drop lto_forced_extern_inline_p code; do not mock
1764 visibility flags at partition boundaries.
1765 (add_node_to): New function.
1766 (output_cgraph): Use it to sort functions so masters appear before
1768 (input_overwrite_node): Input new flags.
1769 * passes.c (ipa_write_summaries): Do not call
1770 lto_new_extern_inline_states.
1771 * lto-section-out.c (forced_extern_inline,
1772 lto_new_extern_inline_states lto_delete_extern_inline_states,
1773 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1774 * lto-streamer.h (lto_new_extern_inline_states,
1775 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1776 lto_forced_extern_inline_p): Kill.
1778 2010-04-20 Richard Guenther <rguenther@suse.de>
1780 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1781 from vars that can have pointers.
1782 (process_constraint): Dump useless constraints.
1784 2010-04-20 Richard Guenther <rguenther@suse.de>
1786 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1787 (dump_sa_points_to_info): Remove asserts.
1788 (init_base_vars): nothing_id isn't an escape point nor does it
1791 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1793 * tree.h (TYPE_REF_IS_RVALUE): Define.
1794 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1795 should_move_die_to_comdat, prune_unused_types_walk): Handle
1796 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1797 (modified_type_die, gen_reference_type_die): Emit
1798 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1799 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1801 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1804 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1805 calls for -fpic -m31 if they have been sibcall optimized.
1807 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1809 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1810 ar.lc fixed and call-used.
1812 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1814 2010-04-19 Jan Hubicka <jh@suse.cz>
1816 * opts.c (decode_options): Disable whpr incompatible passes.
1817 * lto/lto.c (lto_1_to_1_map): Skip clones.
1818 (read_cgraph_and_symbols): Do not mark everything as needed.
1819 (do_whole_program_analysis): Do map only after optimizing;
1820 set proper cgraph_state; use passmanager.
1822 2010-04-19 DJ Delorie <dj@redhat.com>
1824 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1825 POINTER_PLUS_EXPR and fix them.
1827 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1829 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1830 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1831 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1832 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1833 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1834 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1835 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1836 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1837 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1838 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1839 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1841 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1843 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1844 (check_cond_move_block): Likewise.
1845 (cond_move_process_if_block): Likewise.
1846 (noce_find_if_block): Improve formatting.
1847 (find_if_header): Pass 0 to memset and tweak conditions.
1848 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1850 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1852 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1856 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1857 with non-local decl doesn't need chain.
1859 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1861 * ira-color.c (allocno_reload_assign): Avoid accumulating
1862 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1864 2010-04-19 Martin Jambor <mjambor@suse.cz>
1866 * gimple.h (create_tmp_reg): Declare.
1867 * gimplify.c (create_tmp_reg): New function.
1868 (gimplify_return_expr): Use create_tmp_reg.
1869 (gimplify_omp_atomic): Likewise.
1870 (gimple_regimplify_operands): Likewise.
1871 * tree-dfa.c (make_rename_temp): Likewise.
1872 * tree-predcom.c (predcom_tmp_var): Likewise.
1873 (reassociate_to_the_same_stmt): Likewise.
1874 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1875 (get_replaced_param_substitute): Likewise.
1876 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1877 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1878 * tree-ssa-pre.c (get_representative_for): Likewise.
1879 (create_expression_by_pieces): Likewise.
1880 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1881 (create_tailcall_accumulator): Likewise.
1883 2010-04-19 Martin Jambor <mjambor@suse.cz>
1885 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1887 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1889 2010-04-19 Richard Guenther <rguenther@suse.de>
1891 PR tree-optimization/43796
1892 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1893 from SCEV in the lattice.
1894 (vrp_visit_phi_node): Dump change.
1896 2010-04-19 Richard Guenther <rguenther@suse.de>
1898 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1899 * configure: Re-generated.
1901 2010-04-19 Richard Guenther <rguenther@suse.de>
1903 PR tree-optimization/43783
1904 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1905 constant ARRAY_REF operands two and three if possible.
1907 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1910 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1912 2010-04-19 Jie Zhang <jie@codesourcery.com>
1915 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1917 2010-04-19 Ira Rosen <irar@il.ibm.com>
1919 PR tree-optimization/37027
1920 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1921 and macro to access it.
1922 (vectorizable_reduction): Add argument.
1923 (vect_get_slp_defs): Likewise.
1924 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1925 statements for possible use in SLP.
1926 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1927 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1928 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1930 (vectorizable_reduction): Likewise.
1931 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1933 (vectorizable_type_demotion, vectorizable_type_promotion,
1934 vectorizable_store): Likewise.
1935 (vect_analyze_stmt): Update call to vectorizable_reduction.
1936 (vect_transform_stmt): Likewise.
1937 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1938 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1939 from different interleaving chains in same node.
1940 (vect_slp_rearrange_stmts): New function.
1941 (vect_supported_load_permutation_p): Allow load permutations for
1942 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1943 inside SLP nodes if necessary.
1944 (vect_analyze_slp_instance): Handle reductions.
1945 (vect_analyze_slp): Try to build SLP instances originating from groups
1947 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1948 (vect_get_constant_vectors): Create initial vectors for reductions
1949 according to reduction code. Add new argument.
1950 (vect_get_slp_defs): Add new argument, pass it to
1951 vect_get_constant_vectors.
1952 (vect_schedule_slp_instance): Remove SLP tree root statements.
1954 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1956 * tree.h (ENUM_IS_SCOPED): Define.
1957 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1958 for ENUM_IS_SCOPED enums.
1960 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1962 * fold-const.c (fold_comparison): Use ssizetype.
1963 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1964 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1965 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1966 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1968 * tree.h (initialize_sizetypes): Remove parameter.
1969 (build_common_tree_nodes): Remove second parameter.
1970 * stor-layout.c (initialize_sizetypes): Remove parameter.
1971 Always create an unsigned type.
1972 (set_sizetype): Assert that the passed type is unsigned and simplify.
1973 * tree.c (build_common_tree_nodes): Remove second parameter.
1974 Adjust call to initialize_sizetypes.
1975 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1976 build_common_tree_nodes.
1978 2010-04-18 Matthias Klose <doko@ubuntu.com>
1980 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1982 2010-04-18 Ira Rosen <irar@il.ibm.com>
1984 PR tree-optimization/43771
1985 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1986 load permutation doesn't have gaps.
1988 2010-04-18 Jan Hubicka <jh@suse.cz>
1990 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1991 (sse_prologue_save_insn expander): Use new pattern.
1992 (sse_prologue_save_insn1): New pattern and splitter.
1993 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1995 * i386.c (setup_incoming_varargs_64): Do not compute jump
1997 (ix86_gimplify_va_arg): Update alignment needed.
1998 (ix86_local_alignment): Do not align all local arrays to 128bit.
2000 2010-04-17 Jan Hubicka <jh@suse.cz>
2002 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2004 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2006 * arm.md (negdi2): Remove redundant code to force values into a
2009 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2011 * arm/bpabi.S: Add EABI alignment attributes to objects.
2012 * arm/bpabi-v6m.S: Likewise.
2013 * arm/crti.asm: Likewise.
2014 * arm/crtn.asm: Likewise.
2015 * arm/lib1funcs.asm: Likewise.
2016 * arm/libunwind.S: Likewise.
2018 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2020 * arm-protos.h (tune_params): New structure.
2021 * arm.c (current_tune): New variable.
2022 (arm_constant_limit): Delete.
2023 (struct processors): Add pointer to the tune parameters.
2024 (arm_slowmul_tune): New tuning option.
2025 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2026 (all_cores): Adjust to pick up the tuning model.
2027 (arm_constant_limit): New function.
2028 (arm_override_options): Select the appropriate tuning model. Delete
2029 initialization of arm_const_limit.
2030 (arm_split_constant): Use the new constant-limit model.
2031 (arm_rtx_costs): Pick up the current tuning model.
2032 * arm.md (is_strongarm, is_xscale): Delete.
2033 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2034 for Xscale variant architectures.
2035 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2037 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2039 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2041 (arm_rtx_costs_1): Remove unused variable extra_cost.
2042 (arm_unwind_emit_set): Use variable offset.
2043 (thumb1_output_casesi): Remove unused variable flags.
2045 2010-04-16 Jeff Law <law@redhat.com>
2047 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2048 needing assignment rather than doing a two-phase assignment. Remove
2049 unused variable 'm'.
2051 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2054 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2056 2010-04-16 Doug Kwan <dougkwan@google.com>
2058 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2059 (next_operand_entry_id): New static variable.
2060 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2061 (add_to_ops_vec): Assigned unique ID to operand entry.
2062 (struct oecount_s): New field ID.
2063 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2064 (undistribute_ops_list): Assign unique IDs to oecounts.
2065 (init_reassoc): reset next_operand_entry_id.
2067 2010-04-16 Doug Kwan <dougkwan@google.com>
2069 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2070 missing left parenthesis.
2072 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2074 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2075 *btdi_rex64 using SWI48 mode iterator.
2076 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2077 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2078 *jcc_btdi_mask_rex64.
2080 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2082 * double-int.h (tree_to_double_int): Convert to macro.
2083 * double-int.c (tree_to_double_int): Remove.
2085 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2088 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2089 with want_address 2 and in case a single element list might be
2090 possible, call it again with want_address 0.
2092 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2094 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2095 case 'W' print operands for HI mode.
2096 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2097 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2098 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2099 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2101 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2103 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2104 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2105 #xx:3 and #xx:4 mode.
2107 * config/h8300/h8300.md (inverted load with HImode dest): Add
2108 support for H8300SX.
2110 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2111 satisfy 'U' constraint.
2113 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2115 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2116 * configure: Regenerate.
2117 * config.in: Regenerate.
2118 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2121 2010-04-16 Richard Guenther <rguenther@suse.de>
2123 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2124 (struct tree_decl_common): ... here.
2125 (DECL_PT_UID): Adjust.
2126 (SET_DECL_PT_UID): Likewise.
2127 (DECL_PT_UID_SET_P): Likewise.
2129 2010-04-16 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/43572
2132 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2133 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2134 * tree-flow.h (is_call_clobbered): Remove.
2135 * tree-flow-inline.h (is_call_clobbered): Likewise.
2136 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2137 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2138 (execute_return_slot_opt): Adjust.
2139 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2140 check for call clobbered vars here.
2141 (find_tail_calls): Move tailcall verification to the
2144 2010-04-16 Diego Novillo <dnovillo@google.com>
2146 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2148 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2151 * config/arm/arm.md (cbranchqi4): New pattern.
2152 * config/arm/predicates.md (const0_operand,
2153 cbranchqi4_comparison_operator): New predicates.
2155 2010-04-16 Richard Guenther <rguenther@suse.de>
2157 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2158 (dump_gimple_stmt): Likewise.
2160 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2162 * recog.h (struct recog_data): New field is_operator.
2163 (struct insn_operand_data): New field is_operator.
2164 * recog.c (extract_insn): Set recog_data.is_operator.
2165 * genoutput.c (output_operand_data): Emit code to set the
2167 * reload.c (find_reloads): Use it rather than testing for an
2168 empty constraint string.
2171 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2172 If the previous insn is a cbranchsi4_insn with the same arguments,
2173 omit the compare instruction.
2175 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2176 register, inputs must be low registers and we need a low register
2177 scratch. Handle alternative 2 like alternative 3.
2179 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2181 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2182 don't call get_addr on both. If one expression is a VALUE and
2183 the other a REG, check VALUE's locs if the REG isn't among them.
2185 2010-04-16 Christian Bruel <christian.bruel@st.com>
2187 * config/sh/sh.h (sh_frame_pointer_required): New function.
2188 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2189 (flag_omit_frame_pointer) Set.
2190 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2191 (rounded_frame_size): Adjust size with outgoing_args_size.
2192 (sh_set_return_address): Must return from stack pointer.
2193 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2194 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2195 (ACCUMULATE_OUTGOING_ARGS): Define.
2196 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2197 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2199 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2202 * config/sh/sh.c (sh_legitimize_reload_address): Use
2203 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2204 Remove a unneeded check for offset_base.
2206 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2208 * configure: Regenerated.
2210 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2212 * config/s390/s390.c (s390_call_save_register_used): Switch back
2213 to HARD_REGNO_NREGS.
2215 2010-04-15 Richard Guenther <rguenther@suse.de>
2217 * alias.c (alias_set_subset_of): Handle alias-set zero
2220 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2221 Julian Brown <julian@codesourcery.com>
2223 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2224 alternatives according to use of high and low regs.
2225 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2226 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2227 optimizing for size on Thumb-2.
2229 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2231 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2233 2010-04-15 Richard Guenther <rguenther@suse.de>
2235 * tree-ssa-structalias.c (struct variable_info): Add
2237 (new_var_info): Initialize it.
2238 (dump_constraints): Support printing last added constraints.
2239 (debug_constraints): Adjust.
2240 (dump_constraint_graph): Likewise.
2241 (make_heapvar_for): Check for NULL cfun.
2242 (get_function_part_constraint): New function.
2243 (get_fi_for_callee): Likewise.
2244 (find_func_aliases): Properly implement IPA PTA constraints.
2245 (process_ipa_clobber): New function.
2246 (find_func_clobbers): Likewise.
2247 (insert_into_field_list_sorted): Remove.
2248 (create_function_info_for): Properly allocate vars for IPA mode.
2249 Do not use insert_into_field_list_sorted.
2250 (create_variable_info_for): Properly generate constraints for
2251 global vars in IPA mode.
2252 (dump_solution_for_var): Always dump the solution.
2253 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2254 (find_what_var_points_to): Adjust.
2255 (pt_solution_set): Change.
2256 (pt_solution_ior_into): New function.
2257 (pt_solution_empty_p): Export.
2258 (pt_solution_includes_global): Adjust.
2259 (pt_solution_includes_1): Likewise.
2260 (pt_solutions_intersect_1): Likewise.
2261 (dump_sa_points_to_info): Check some invariants.
2262 (solve_constraints): Move constraint dumping ...
2263 (compute_points_to_sets): ... here.
2264 (ipa_pta_execute): ... and here.
2265 (compute_may_aliases): Do not re-compute points-to info
2266 locally if IPA info is available.
2267 (ipa_escaped_pt): New global var.
2268 (ipa_pta_execute): Properly implement IPA PTA.
2269 * tree-into-ssa.c (dump_decl_set): Support dumping
2270 decls not in referenced-vars.
2271 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2272 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2273 (dump_points_to_solution): Likewise.
2274 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2275 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2276 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2277 (copy_decl_to_var): Copy DECL_PT_UID.
2278 (copy_result_decl_to_var): Likewise.
2279 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2280 (copy_node_stat): Copy it.
2281 * tree.h (DECL_PT_UID): New macro.
2282 (SET_DECL_PT_UID): Likewise.
2283 (DECL_PT_UID_SET_P): Likewise.
2284 (struct tree_decl_minimal): Add pt_uid member.
2285 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2286 (pt_solution_empty_p): Declare.
2287 (pt_solution_set): Adjust.
2288 (ipa_escaped_pt): Declare.
2289 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2290 * gimple-pretty-print.c (pp_points_to_solution): New function.
2291 (dump_gimple_call): Dump call clobber/use information.
2292 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2293 * tree-pass.h (TDF_ALIAS): New dump option.
2294 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2295 * doc/invoke.texi (-fipa-pta): Update documentation.
2297 2010-04-15 Richard Guenther <rguenther@suse.de>
2299 * Makefile.in (OBJS-common): Add gimple-fold.o.
2300 (gimple-fold.o): New rule.
2301 * tree.h (maybe_fold_offset_to_reference,
2302 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2304 * gimple.h: ... here.
2305 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2306 may_propagate_address_into_dereference): Move prototypes ...
2307 * gimple.h: ... here.
2308 * tree-ssa-ccp.c (get_symbol_constant_value,
2309 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2310 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2311 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2312 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2313 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2314 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2315 gimplify_and_update_call_from_tree): Move ...
2316 * gimple-fold.c: ... here. New file.
2317 (ccp_fold_builtin): Rename to ...
2318 (gimple_fold_builtin): ... this.
2319 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2321 2010-04-15 Richard Guenther <rguenther@suse.de>
2323 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2324 fit_double_type, force_fit_type_double, add_double_with_sign,
2325 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2326 lrotate_double, rrotate_double, div_and_round_double): Move ...
2327 * double-int.c: ... here.
2328 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2329 add_double, neg_double, mul_double_with_sign, mul_double,
2330 lshift_double, rshift_double, lrotate_double, rrotate_double,
2331 div_and_round_double): Move prototypes ...
2332 * double-int.h: ... here.
2334 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2337 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2338 matching constraints to ensure inputs match the output.
2340 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2343 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2344 in an input-only operand.
2346 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2348 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2349 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2350 (double_int_negative_p): Convert to static inline function.
2351 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2352 (double_int_negative_p): Remove.
2353 * tree.h (lshift_double, rshift_double):
2354 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2355 * fold-const.c (fold_convert_const_int_from_real,
2356 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2357 (lshift_double): Change type of arith argument to bool.
2358 (rshift_double): Change type of arith argument to bool. Correct
2360 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2362 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2365 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2366 at the start and end of the then/else blocks, and omit them from the
2368 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2369 argument; all callers changed. Pass zero to old_insns_match_p instead.
2370 (flow_find_head_matching_sequence): New function.
2371 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2372 * basic-block.h (flow_find_cross_jump,
2373 flow_find_head_matching_sequence): Declare functions.
2375 2010-04-14 Jason Merrill <jason@redhat.com>
2378 * c-common.c (attribute_takes_identifier_p): New fn.
2379 * c-common.h: Declare it.
2381 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2383 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2385 (*udivmod<mode>4): Ditto.
2387 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2389 * config/i386/i386.md (maxmin_int): Rename code attribute from
2390 maxminiprefix and update all users.
2391 (maxmin_float): Ditto from maxminfprefix.
2392 (logic): Ditto from logicprefix.
2393 (absneg_mnemonic): Ditto from absnegprefix.
2394 * config/i386/mmx.md: Update all users of maxminiprefix,
2395 maxminfprefix and logicprefix for rename.
2396 * config/i386/sse.md: Ditto.
2397 * config/i386/sync.md (sync_<code><mode>): Update for
2400 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2403 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2404 warnings converted to errors.
2406 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2408 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2409 used insn_type variable.
2410 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2411 to avoid set-but-not-used warning.
2413 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2415 * df-core.c (df_ref_debug): Change format string placeholder
2417 * dwarf2asm.c (dw2_asm_output_data_raw,
2418 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2419 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2420 * dwarf2out.c (output_cfi, output_cfi_directive,
2421 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2422 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2424 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2425 * print-rtl.c (print_rtx): Ditto.
2427 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2430 * builtins.c (expand_builtin_pow_root): New function to expand pow
2431 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2432 series of sqrt and cbrt calls under -ffast-math.
2433 (expand_builtin_pow): Call it.
2435 2010-04-14 Michael Matz <matz@suse.de>
2437 PR tree-optimization/42963
2438 * tree-cfg.c (touched_switch_bbs): New static variable.
2439 (group_case_labels_stmt): New function broken out from ...
2440 (group_case_labels): ... here, use the above.
2441 (start_recording_case_labels): Allocate touched_switch_bbs.
2442 (end_recording_case_labels): Deallocate it, call
2443 group_case_labels_stmt.
2444 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2446 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2448 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2451 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2453 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2455 2010-04-13 Jan Hubicka <jh@suse.cz>
2457 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2458 of optimized out static functions.
2459 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2460 cost computation. Also sanity check for overflows.
2461 (update_caller_keys): Update cgraph_edge_badness call; properly
2462 update fibheap and sanity check that it is up to date.
2463 (add_new_edges_to_heap): Update cgraph_edge_badness.
2464 (cgraph_decide_inlining_of_small_function): Likewise;
2465 add sanity checking that badness in heap is up to date;
2466 improve dumping of reason; Update badness of calls to the
2467 offline copy of function currently inlined; dump badness
2468 of functions not inlined because of unit growth limits.
2470 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2473 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2474 because of sign-extension change when converting to sizetype here...
2475 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2477 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2478 the folding to constants. Remove redundant final conversion.
2479 (fold_binary) <associate>: Do not associate if the re-association of
2480 constants alone overflows.
2481 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2482 to the end of the list.
2483 (multiple_of_p) <COND_EXPR>: New case.
2485 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2487 * opt-functions.awk (opt_sanitized_name): New.
2489 * optc-gen.awk: Use it
2490 * opth-gen.awk: Use it.
2492 2010-04-13 Martin Jambor <mjambor@suse.cz>
2494 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2495 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2496 children. Call replace_uses_with_default_def_ssa_name to handle
2499 2010-04-13 Michael Matz <matz@suse.de>
2502 * builtins.c (expand_builtin_interclass_mathfn): Also create
2503 a register if the predicate doesn't match.
2505 2010-04-13 Diego Novillo <dnovillo@google.com>
2507 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2508 * c-pch.c: Include timevar.h.
2509 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2510 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2511 * ggc-common.c: Include timevar.h.
2512 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2513 * timevar.def (TV_PCH_SAVE): Define.
2514 (TV_PCH_CPP_SAVE): Define.
2515 (TV_PCH_PTR_REALLOC): Define.
2516 (TV_PCH_PTR_SORT): Define.
2517 (TV_PCH_RESTORE): Define.
2518 (TV_PCH_CPP_RESTORE): Define.
2520 2010-04-13 Michael Matz <matz@suse.de>
2522 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2524 (can_reassociate_p): New function.
2525 (break_up_subtract_bb, reassociate_bb): Use it.
2527 2010-04-13 Richard Guenther <rguenther@suse.de>
2530 * builtins.c (c_readstr): Fix assert.
2532 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2534 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2535 when generating cltd insn.
2537 (*ashl<mode>3_1): Remove special handling for register operand 2.
2538 (*ashlsi3_1_zext): Ditto.
2539 (*ashlhi3_1): Ditto.
2540 (*ashlhi3_1_lea): Ditto.
2541 (*ashlqi3_1): Ditto.
2542 (*ashlqi3_1_lea): Ditto.
2543 (*<shiftrt_insn><mode>3_1): Ditto.
2544 (*<shiftrt_insn>si3_1_zext): Ditto.
2545 (*<shiftrt_insn>qi3_1_slp): Ditto.
2546 (*<rotate_insn><mode>3_1): Ditto.
2547 (*<rotate_insn>si3_1_zext): Ditto.
2548 (*<rotate_insn>qi3_1_slp): Ditto.
2550 2010-04-13 Richard Guenther <rguenther@suse.de>
2552 * tree-ssa-structalias.c (callused_id): Remove.
2553 (call_stmt_vars): New.
2554 (get_call_vi): Likewise.
2555 (lookup_call_use_vi): Likewise.
2556 (lookup_call_clobber_vi): Likewise.
2557 (get_call_use_vi): Likewise.
2558 (get_call_clobber_vi): Likewise.
2559 (make_transitive_closure_constraints): Likewise.
2560 (handle_const_call): Adjust to do per-call call-used handling.
2561 (handle_pure_call): Likewise.
2562 (find_what_var_points_to): Remove general callused handling.
2563 (init_base_vars): Likewise.
2564 (init_alias_vars): Initialize call_stmt_vars.
2565 (compute_points_to_sets): Process call-used and call-clobbered
2566 vars for call statements.
2567 (delete_points_to_sets): Free call_stmt_vars.
2569 2010-04-13 Richard Guenther <rguenther@suse.de>
2571 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2572 Only add RW dependence for dependence distance zero.
2573 Adjust maximal vectorization factor according to dependences.
2574 Move alignment handling ...
2575 (vect_find_same_alignment_drs): ... here. New function.
2576 (vect_analyze_data_ref_dependences): Adjust.
2577 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2578 (vect_analyze_data_refs): Adjust minimal vectorization factor
2579 according to data references.
2580 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2581 dependences before determining the vectorization factor.
2582 Analyze alignment after determining the vectorization factor.
2583 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2584 dependences before alignment.
2585 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2587 (vect_analyze_data_refs): Likewise.
2588 (MAX_VECTORIZATION_FACTOR): New define.
2590 2010-04-13 Duncan Sands <baldrick@free.fr>
2592 * except.h (lang_eh_type_covers): Remove.
2593 * except.c (lang_eh_type_covers): Likewise.
2595 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2596 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2598 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2599 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2600 UNITS_PER_LONG where it is ABI relevant.
2601 (s390_return_addr_rtx): Likewise.
2602 (s390_back_chain_rtx): Likewise.
2603 (s390_frame_area): Likewise.
2604 (s390_frame_info): Likewise.
2605 (s390_initial_elimination_offset): Likewise.
2606 (save_gprs): Likewise.
2607 (s390_emit_prologue): Likewise.
2608 (s390_emit_epilogue): Likewise.
2609 (s390_function_arg_advance): Likewise.
2610 (s390_function_arg): Likewise.
2611 (s390_va_start): Likewise.
2612 (s390_gimplify_va_arg): Likewise.
2613 (s390_function_profiler): Likewise.
2614 (s390_optimize_prologue): Likewise.
2615 (s390_rtx_costs): Likewise.
2616 (s390_secondary_reload): Likewise.
2617 (s390_promote_function_mode): Likewise.
2618 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2619 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2620 registers available.
2621 (s390_unwind_word_mode): New function.
2622 (s390_function_value): Split 64 bit values into register pair if
2623 used as return value.
2624 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2625 function call parameters. Handle parallels.
2626 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2627 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2628 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2629 (s390_expand_setmem): Remove unused variable src_addr.
2630 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2631 deal with 64 bit registers.
2632 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2633 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2634 (UNITS_PER_LONG): New macro.
2635 * libjava/include/s390-signal.h: Define extended ucontext
2636 structure containing the upper halfs of the 64 bit registers.
2638 2010-04-13 Simon Baldwin <simonb@google.com>
2640 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2642 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2644 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2645 rvalue on the RHS if the LHS is of a non-renamable type.
2646 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2648 2010-04-13 Matthias Klose <doko@ubuntu.com>
2650 * gcc.c (cc1_options): Handle -iplugindir before processing
2651 the cc1 spec. Only add -iplugindir once.
2652 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2654 * common.opt (iplugindir): Remove `Separate' property, initialize.
2655 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2657 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2658 (distclean): Remove plugin dir.
2659 * doc/invoke.texi: Document -iplugindir.
2661 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2663 * doc/plugins.texi (Loading Plugins): Document short
2664 -fplugin=foo option.
2665 (Plugin API): Mention default_plugin_dir_name function.
2667 * gcc.c (find_file_spec_function): Add new declaration.
2668 (static_spec_func): Use it for "find-file".
2669 (find_file_spec_function): Add new function.
2670 (cc1_options): Add -iplugindir option if -fplugin* options found.
2672 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2674 * plugin.c (add_new_plugin): Updated comment, and handle short
2676 (default_plugin_dir_name): Added new function.
2678 * common.opt (iplugindir): New option to set the plugin directory.
2680 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2682 * config/i386/i386.md (any_rotate): New code iterator.
2683 (rotate_insn): New code attribute.
2685 (SWIM124): New mode iterator.
2686 (<rotate_insn>ti3): New expander.
2687 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2688 any_rotate code iterator.
2689 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2690 using any_rotate code iterator and SWIM124 mode iterator.
2691 (ix86_rotlti3): New insn_and_split pattern.
2692 (ix86_rotrti3): Ditto.
2693 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2694 ix86_rotl{di,ti}3 patterns.
2695 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2696 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2697 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2698 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2699 code iterator and SWI mode iterator.
2700 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2701 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2703 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2704 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2705 (bswap rotatert splitter): Add splitter.
2706 (bswap splitter): Macroize splitter using any_rotate code iterator.
2707 Add insn predicate to split only for TARGET_USE_XCHGB or when
2708 optimizing function for size.
2710 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2712 * config/pa/pa.c (emit_move_sequence): Remove use of
2713 deleted variable flag_argument_noalias.
2715 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2717 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2719 Add to unsupported targets list.
2720 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2721 sparc*-sun-solaris2.[567]* from target lists.
2722 * configure: Regenerate.
2723 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2725 Remove Solaris 7 patch references.
2726 (Specific, sparc-sun-solaris2.7): Removed.
2727 (sparc-sun-solaris2*): Update Solaris 7 example.
2728 (sparc64-*-solaris2*): Likewise.
2730 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2732 * config.build (alpha*-dec-osf4*): Remove.
2733 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2734 of obsolete configurations.
2735 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2737 * config/alpha/t-osf4: Renamed to ...
2738 * config/alpha/t-osf5: ... this.
2739 * config/alpha/osf.h: Renamed to ...
2740 * config/alpha/osf5.h: ... this.
2741 Merged old osf5.h contents.
2743 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2744 (EXTRA_SPECS): Removed.
2745 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2746 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2749 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2751 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2753 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2756 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2757 __thiscall convention.
2759 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2761 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2763 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2765 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2767 * function.c (assign_parms_initialize_all): Add unused attribute
2770 2010-04-12 Richard Guenther <rguenther@suse.de>
2772 * gsstruct.def (GSS_CALL): New.
2773 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2774 * gimple.h: Include tree-ssa-alias.h.
2775 (struct gimple_statement_call): New.
2776 (union gimple_statement_struct_d): Add gimple_call member.
2777 (gimple_call_reset_alias_info): Declare.
2778 (gimple_call_use_set): New function.
2779 (gimple_call_clobber_set): Likewise.
2780 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2781 * gimple.c (gimple_call_reset_alias_info): New function.
2782 (gimple_build_call_1): Call it.
2783 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2784 * tree-inline.c (remap_gimple_stmt): Likewise.
2785 (expand_call_inline): Remove callused handling.
2786 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2787 * tree-dfa.c (dump_variable): Likewise.
2788 * tree-parloops.c (parallelize_loops): Likewise.
2789 * tree-ssa.c (init_tree_ssa): Likewise.
2790 (delete_tree_ssa): Likewise.
2791 * tree-flow-inline.h (is_call_used): Remove.
2792 * tree-flow.h (struct gimple_df): Remove callused member.
2793 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2794 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2795 (ref_maybe_used_by_call_p_1): Simplify.
2796 (call_may_clobber_ref_p_1): Likewise.
2797 * tree-ssa-structalias.c (compute_points_to_sets): Set
2798 the call stmt used and clobbered sets.
2799 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2800 (find_tail_calls): Verify the tail call.
2802 2010-04-12 Richard Guenther <rguenther@suse.de>
2804 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2805 single-iteration always-inline inlining.
2806 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2807 (cgraph_decide_inlining): Do not handle always-inline specially.
2808 (try_inline): Remove always-inline cycle detection special case.
2809 Do not recurse on always-inlines.
2810 (cgraph_early_inlining): Do not iterate if not optimizing.
2811 (cgraph_gate_early_inlining): remove.
2812 (pass_early_inline): Run unconditionally.
2813 (gate_cgraph_decide_inlining): New function.
2814 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2815 not inlining or optimizing.
2816 (cgraph_decide_inlining_of_small_functions): Also consider
2817 always-inline functions.
2818 (cgraph_default_inline_p): Return true for nodes which should
2819 disregard inline limits.
2820 (estimate_function_body_sizes): Assume zero size and time for
2821 nodes which are marked as disregarding inline limits.
2822 (cgraph_decide_recursive_inlining): Do not perform recursive
2823 inlining on always-inline nodes.
2825 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2828 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2829 for exprs satisfying handled_component_p.
2831 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2833 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2834 non-constant aggregate elements.
2836 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2837 is a real initialization.
2839 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2842 * c-decl.c (start_function): Move forward check for nested function.
2844 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2846 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2847 * config/sh/sh.c: Include reload.h.
2848 (sh_legitimize_reload_address): New.
2849 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2850 sh_legitimize_reload_address.
2852 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2854 * config/sh/sh.md (*movqi_pop): New insn pattern.
2855 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2857 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2859 * config/i386/i386.md (any_shiftrt): New code iterator.
2860 (shiftrt_insn): New code attribute.
2862 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2863 using any_shiftrt code iterator.
2864 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2865 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2866 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2867 pattern from corresponding peephole2 patterns.
2868 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2869 using any_shiftrt code iterator.
2870 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2871 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2872 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2873 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2874 *{ashr,lshr}<mode>3_cmp_zext.
2875 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2877 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2879 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2881 (*lshr<mode>3_cconly): Ditto.
2883 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2885 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2886 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2887 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2888 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2890 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2891 from corresponding peephole2 patterns.
2892 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2893 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2894 and *lshrdi3_1_rex64 using SWI mode iterator.
2895 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2896 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2897 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2898 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2899 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2900 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2901 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2902 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2903 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2906 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2908 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2909 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2910 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2911 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2913 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2914 from corresponding peephole2 patterns.
2915 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2916 (ashrsi3_cvt): Rename from ashrsi3_31.
2917 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2918 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2919 and x86_64_shift_adj_3 using SWI48 mode iterator.
2920 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2921 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2922 and *ashrdi3_1_rex64 using SWI mode iterator.
2923 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2924 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2925 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2926 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2927 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2928 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2929 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2930 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2931 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2933 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2934 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2935 x86_shift<mode>_adj_3 expanders.
2937 2010-04-10 Wei Guozhi <carrot@google.com>
2940 * config/arm/arm.c (arm_pic_static_addr): New function.
2941 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2943 (arm_output_addr_const_extra): Output expression for new pattern.
2944 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2946 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2948 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2951 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2952 * web.c: Include "insn-config.h" and "recog.h".
2953 (union_match_dups): New function.
2954 (web_main): Call it.
2955 (union_defs): Don't try to recognize match_dups.
2957 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2958 if doing so would replace the entire pattern.
2960 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2964 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2965 and splitter pattern. Change splitter operand 1 predicate to
2968 2010-04-09 Martin Jambor <mjambor@suse.cz>
2970 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2971 lattices are addresses of CONST_DECLs with the same initial value.
2972 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2973 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2975 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2976 Bernd Schmidt <bernds@codesourcery.com>
2978 * loop-invariant.c (replace_uses): New static function.
2979 (move_invariant_reg): Use it to ensure we can replace the uses.
2981 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2983 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2985 (picochip_override_options): Enable section anchors only above -O1.
2986 (picochip_reorg): Fixed a couple of build warnings.
2988 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2990 * configure.ac (plugin -rdynamic test): Log result.
2991 * configure: Regenerate.
2992 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2993 (RDYNAMIC_SPEC): Define.
2994 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2996 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2998 * configure.ac: Determine Sun ld version numbers.
2999 (comdat_group): Restrict GNU ld version checks to gld.
3000 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3001 (enable_comdat): Support --enable-comdat.
3002 * configure: Regenerate.
3003 * doc/install.texi (Configuration): Document --enable-comdat.
3005 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3007 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3008 * config/sol2-gld.h: ... here.
3009 * config.gcc (sparc*-*-solaris2*): Reflect this.
3010 (i[34567]86-*-solaris2*): Use it.
3012 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3014 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3016 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3018 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3021 * diagnostic.c (diagnostic_initialize): Initialize
3022 some_warnings_are_errors.
3023 (diagnostic_finish): New.
3024 (diagnostic_action_after_output): Call it before exiting.
3025 (diagnostic_report_diagnostic): Do not print message here. Set
3026 some_warnings_are_errors.
3027 * diagnostic.h (diagnostic_context): Delete
3028 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3029 (diagnostic_finish): Declare.
3030 * toplev.c (toplev_main): Call it before exit.
3032 2010-04-09 Jason Merrill <jason@redhat.com>
3035 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3036 for incomplete type.
3039 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3040 based on a warning flag.
3042 2010-04-09 Richard Guenther <rguenther@suse.de>
3044 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3046 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3049 * varasm.c (default_assemble_visibility): Wrap vars that are
3050 set, but unused, by targets without GAS.
3051 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3052 Remove set, but unused, vars.
3053 (rs6000_legitimize_tls_address): Likewise.
3054 (altivec_expand_dst_builtin): Likewise.
3055 * config/darwin.c (machopic_classify_symbol): Likewise.
3056 (machopic_indirection_name): Likewise.
3058 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3060 * config/i386/i386.md (DWI): New mode iterator.
3061 (S): New mode attribute.
3062 (shift_operand): Ditto.
3063 (shift_immediate_operand): Ditto.
3064 (ashl_input_operand): Ditto.
3065 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3066 using SDWIM mode iterator.
3067 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3068 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3070 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3071 from corresponding peephole2 patterns.
3072 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3073 and x86_64_shift_adj_1 using SWI48 mode iterator.
3074 (x86_shift<mode>_adj_2): Ditto.
3075 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3076 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3077 using SWI48 mode iterator.
3078 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3079 *ashldi3_cmp_rex64 using SWI mode iterator.
3080 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3081 *ashldi3_cconly_rex64 using SWI mode iterator.
3082 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3083 x86_shift<mode>_adj_{1,2}.
3084 (ix86_split_ashr): Ditto.
3085 (ix86_split_lshr): Ditto.
3087 2010-04-09 Richard Guenther <rguenther@suse.de>
3089 * target.h (builtin_conversion): Pass in input and output types.
3090 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3091 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3092 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3093 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3095 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3097 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3099 2010-04-09 Richard Guenther <rguenther@suse.de>
3102 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3104 2010-04-09 Richard Guenther <rguenther@suse.de>
3106 * tree-vectorizer.h (struct _stmt_vec_info): Document
3107 that vectype is the type of the LHS.
3108 (supportable_widening_operation, supportable_narrowing_operation):
3109 Get both input and output vector types as arguments.
3110 (vect_is_simple_use_1): Declare.
3111 (get_same_sized_vectype): Likewise.
3112 * tree-vect-loop.c (vect_determine_vectorization_factor):
3113 Set STMT_VINFO_VECTYPE to the vector type of the def.
3114 (vectorizable_reduction): Adjust.
3115 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3116 Adjust. Specify the output vector type.
3117 (vect_pattern_recog_1): Adjust.
3118 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3119 (vectorizable_call): Adjust.
3120 (vectorizable_conversion): Likewise.
3121 (vectorizable_operation): Likewise.
3122 (vectorizable_type_demotion): Likewise.
3123 (vectorizable_type_promotion): Likewise.
3124 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3126 (vect_is_simple_use_1): New function.
3127 (supportable_widening_operation): Get both input and output
3129 (supportable_narrowing_operation): Likewise.
3130 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3132 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3134 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3135 __thiscall and _thiscall as predefined macros.
3136 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3137 thiscall attribute handling.
3138 (ix86_comp_type_attributes): Likewise.
3139 (ix86_function_regparm): Likewise.
3140 (ix86_return_pops_args): Likewise.
3141 (init_cumulative_args): Likewise.
3142 (find_drap_reg): Likewise.
3143 (ix86_static_chain): Likewise.
3144 (x86_this_parameter): Likewise.
3145 (x86_output_mi_thunk): Likewise.
3146 (ix86_attribute_table): Add description for thiscall attribute.
3147 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3148 * doc/extend.texi: Add documentation for thiscall.
3150 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3153 * c.opt (Wint-to-pointer-cast): Available in C++.
3154 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3156 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3158 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3159 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3160 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3161 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3162 function type instead. Reorder and simplify checks.
3164 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3166 2010-04-08 Jing Yu <jingyu@google.com>
3167 Zdenek Dvorak <ook@ucw.cz>
3169 PR tree-optimization/42720
3170 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3171 loop unswitch conditions here from ...
3172 (tree_unswitch_single_loop): ... here.
3174 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3176 * tree-if-conv.c: Fix comments and simplify logic.
3178 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3180 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3181 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3182 (main_tree_if_conversion): Update call to tree_if_conversion.
3184 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3187 * doc/invoke.texi (-b,-V): Delete.
3188 * doc/tm.texi: Do not mention -b.
3189 * gcc.c (display_help): Delete -b and -V.
3190 (process_command): Delete -b and -V.
3191 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3193 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3194 Wolfgang Gellerich <gellerich@de.ibm.com>
3196 Implement target hook for loop unrolling
3197 * target.h (loop_unroll_adjust): Add a new target hook function.
3198 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3199 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3200 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3201 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3202 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3204 (decide_unroll_stupid): Likewise.
3206 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3209 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3211 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3213 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3214 (Specific, *-*-solaris2*): Likewise.
3215 Don't prefer Sun as over GNU as.
3217 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3219 * config/s390/s390.c (override_options): Adjust the z10
3220 defaults for max-unroll-times, max-completely-peeled-insns
3221 and max-completely-peel-times.
3223 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3225 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3226 instructions for z10.
3227 (s390_expand_setmem): Likewise.
3228 (s390_expand_cmpmem): Likewise.
3230 2010-04-08 Richard Guenther <rguenther@suse.de>
3232 PR tree-optimization/43679
3233 * tree-ssa-pre.c (eliminate): Only propagate copies.
3235 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3238 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3239 set but not used variable warning.
3241 2010-04-08 Wei Guozhi <carrot@google.com>
3244 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3245 (arm_size_rtx_costs): Call the new function when optimized for size.
3247 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3250 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3251 op0 is not a MEM, just return NULL instead of assertion
3253 (discover_nonconstant_array_refs): Don't walk debug stmts.
3255 2010-04-08 Doug Kwan <dougkwan@google.com>
3257 * configure.ac: Recognize gold and do not use its version number
3258 to test ld features.
3259 * configure: Regenerate.
3261 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3264 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3265 (negate_value): Move code to push elements to broken_up_substracts ...
3266 (eliminate_plus_minus_pair): ... here. Push operands that have no
3267 negative pair to plus_negates.
3268 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3270 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3272 * doc/install.texi (Configuration): Move description of
3273 --enable-lto, --with-libelf*, --enable-gold from Java section to
3276 * doc/generic.texi (Working with declarations)
3277 (Function Properties, C and C++ Trees): Fix typos.
3278 * doc/sourcebuild.texi (Top Level): Likewise.
3280 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3283 * tree.h (DECL_READ_P): Define.
3284 (struct tree_decl_common): Add decl_read_flag.
3285 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3286 a set but not used warning.
3287 (merge_decls): Merge DECL_READ_P flag.
3288 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3289 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3290 * c-common.c (handle_used_attribute, handle_unused_attribute):
3292 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3294 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3296 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3297 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3298 c_parser_binary_expression, c_parser_cast_expression,
3299 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3300 Call default_function_array_read_conversion instead of
3301 default_function_array_conversion where needed.
3302 (c_parser_unary_expression, c_parser_conditional_expression,
3303 c_parser_postfix_expression_after_primary, c_parser_initelt):
3304 Likewise. Call mark_exp_read where needed.
3305 (c_parser_statement_after_labels, c_parser_asm_operands,
3306 c_parser_typeof_specifier, c_parser_sizeof_expression,
3307 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3309 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3311 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3312 (warn_unused_but_set_parameter): Default to warn_unused
3314 * doc/invoke.texi: Document -Wunused-but-set-variable and
3315 -Wunused-but-set-parameter.
3317 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3318 used count variable.
3319 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3320 when operandN variables aren't used in the body of the expander
3322 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3323 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3324 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3325 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3326 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3327 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3328 * tree.c (PROCESS_ARG): Likewise.
3330 2010-04-07 Simon Baldwin <simonb@google.com>
3332 * diagnostic.h (diagnostic_override_option_index): New macro to
3333 set a diagnostic's option_index.
3334 * c-tree.h (c_cpp_error): Add warning reason argument.
3335 * opts.c (_warning_as_error_callback): New.
3336 (register_warning_as_error_callback): Store callback for
3337 warnings enabled via enable_warning_as_error.
3338 (enable_warning_as_error): Call callback, minor code tidy.
3339 * opts.h (register_warning_as_error_callback): Declare.
3340 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3341 response to -Werror=.
3342 (c_common_init_options): Register warning_as_error_callback in opts.c.
3343 * common.opt: Add -Wno-cpp option.
3344 * c-common.c (struct reason_option_codes_t): Map cpp warning
3345 reason codes to gcc option indexes.
3346 * (c_option_controlling_cpp_error): New function, lookup the gcc
3347 option index for a cpp warning reason code.
3348 * (c_cpp_error): Add warning reason argument, call
3349 c_option_controlling_cpp_error for diagnostic_override_option_index.
3350 * doc/invoke.texi: Document -Wno-cpp.
3352 2010-04-07 Richard Guenther <rguenther@suse.de>
3354 * ipa-reference.c (mark_load): Use get_base_address.
3355 (mark_store): Likewise.
3357 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3358 inserting GIMPLE_NOPs into the IL.
3359 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3360 Explicitly strip handled components and indirect references.
3362 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3363 folding address expressions.
3364 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3365 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3366 operand_equal_p to compare decls.
3367 (ptr_deref_may_alias_decl_p): Likewise.
3368 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3369 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3370 Handle reversed comparison ops.
3371 * tree-sra.c (asm_visit_addr): Use get_base_address.
3372 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3373 * ipa-reference.c (mark_address): Use get_base_address.
3375 2010-04-07 Richard Guenther <rguenther@suse.de>
3377 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3378 Propagate constants everywhere.
3380 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3383 * tree.c (MAX_INT_CACHED_PREC): Define.
3384 (nonstandard_integer_type_cache): New array.
3385 (build_nonstandard_integer_type): Cache results for precision
3386 <= MAX_INT_CACHED_PREC.
3388 2010-04-07 Richard Guenther <rguenther@suse.de>
3390 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3391 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3392 * common.opt: Likewise.
3393 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3394 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3395 (nonoverlapping_memrefs_p): Likewise.
3396 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3397 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3398 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3399 OPT_fargument_noalias_global for backward compatibility.
3401 2010-04-07 Richard Guenther <rguenther@suse.de>
3403 PR tree-optimization/43270
3404 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3405 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3406 * tree-ssa-pre.c (phi_translate_1): Adjust.
3407 (fully_constant_expression): Split out vn_reference handling to ...
3408 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3409 Fold reads from constant strings.
3410 (vn_reference_lookup): Handle fully constant references.
3411 (vn_reference_lookup_pieces): Likewise.
3412 * Makefile.in (expmed.o-warn): Add -Wno-error.
3414 2010-04-07 Martin Jambor <mjambor@suse.cz>
3416 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3418 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3421 * gcc.c: Add -static-libstdc++ to list of recognized options.
3423 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3425 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3427 2010-04-07 Richard Guenther <rguenther@suse.de>
3430 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3431 bases build simple mem attributes to retain points-to information.
3433 2010-04-07 Richard Guenther <rguenther@suse.de>
3436 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3437 preserve points-to related information.
3439 2010-04-07 Richard Guenther <rguenther@suse.de>
3442 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3443 discard plain indirect references.
3444 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3445 * tree.c (tree_nop_conversion): Likewise.
3447 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3450 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3452 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3454 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3455 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3457 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3459 * tree-if-conv.c: Fix indentation and comments.
3461 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3463 * tree-if-conv.c: Sort static functions in topological order.
3465 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3467 * tree-if-conv.c: Fix indentation and comments.
3469 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3472 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3473 lang_hooks.types.type_for_size instead of
3474 build_nonstandard_integer_type.
3475 When converting an unsigned type to signed, double its precision.
3476 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3477 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3478 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3481 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3484 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3485 POINTER_PLUS_EXPR for pointer types.
3487 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3490 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3491 * graphite-clast-to-gimple.c: Include langhooks.h.
3492 (max_signed_precision_type): New.
3493 (max_precision_type): Takes two types as arguments.
3494 (precision_for_value): New.
3495 (precision_for_interval): New.
3496 (gcc_type_for_interval): New.
3497 (gcc_type_for_value): New.
3498 (gcc_type_for_clast_term): New.
3499 (gcc_type_for_clast_red): New.
3500 (gcc_type_for_clast_bin): New.
3501 (gcc_type_for_clast_expr): Split up into several functions.
3502 (gcc_type_for_clast_eq): Rewritten.
3503 (compute_bounds_for_level): New.
3504 (compute_type_for_level_1): New.
3505 (compute_type_for_level): New.
3506 (gcc_type_for_cloog_iv): Removed.
3507 (gcc_type_for_iv_of_clast_loop): Rewritten.
3508 (graphite_create_new_loop): Compute the lower and upper bound types
3509 with gcc_type_for_clast_expr.
3510 (graphite_create_new_loop_guard): Same.
3511 (find_cloog_iv_in_expr): Removed.
3512 (compute_cloog_iv_types_1): Removed.
3513 (compute_cloog_iv_types): Removed.
3514 (gloog): Do not call compute_cloog_iv_types.
3515 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3517 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3518 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3519 (GBB_CLOOG_IV_TYPES): Removed.
3521 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3523 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3524 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3525 (detect_commutative_reduction): Same.
3527 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3529 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3530 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3532 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3533 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3534 (rewrite_commutative_reductions_out_of_ssa): Same.
3535 * passes.c (execute_function_todo): Call verify_ssa for every pass
3536 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3537 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3538 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3539 with an extra argument.
3540 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3541 verify_ssa only when the extra argument is true.
3542 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3543 with an extra argument.
3544 (tree_transform_and_unroll_loop): Same.
3546 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3548 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3549 for all the passes of the LNO having LOOP_CLOSED_SSA.
3550 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3551 * tree-loop-distribution.c (pass_loop_distribution): Same.
3552 * tree-pass.h (TODO_verify_loops): Removed.
3553 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3555 (pass_tree_unswitch): Same.
3556 (pass_predcom): Same.
3557 (pass_vectorize): Same.
3558 (pass_linear_transform): Same.
3559 (pass_graphite_transforms): Same.
3560 (pass_iv_canon): Same.
3561 (pass_complete_unroll): Same.
3562 (pass_complete_unrolli): Same.
3563 (pass_parallelize_loops): Same.
3564 (pass_loop_prefetch): Same.
3565 (pass_iv_optimize): Same.
3567 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3570 * passes.c (init_optimization_passes): Move pass_lim before
3571 pass_copy_prop and pass_dce_loop.
3573 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3576 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3577 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3578 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3579 MULTI_* defines for 4 argument vpermil2p* builtins.
3581 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3583 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3584 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3585 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3586 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3587 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3588 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3589 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3590 Use x86_maybe_negate_const_int to output insn mnemonic.
3591 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3592 check from instruction predicate. Update comments.
3593 * config/i386/sync.md (sync_add<mode>): Use
3594 x86_maybe_negate_const_int to output insn mnemonic.
3596 2010-04-06 Jan Hubicka <jh@suse.cz>
3598 PR tree-optimization/42906
3599 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3600 IGNORE_SELF argument. Set visited_control_parents for fully
3602 (find_obviously_necessary_stmts): Update call of
3603 mark_control_dependent_edges_necessary.
3604 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3606 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3608 * config/i386/i386.md: Remove comment about 'e' and 'E'
3611 2010-04-06 Richard Guenther <rguenther@suse.de>
3613 PR tree-optimization/43627
3614 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3615 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3618 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3620 * BASE-VER: Change to 4.6.0.
3623 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3626 2010-04-06 Richard Guenther <rguenther@suse.de>
3629 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3631 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3633 * doc/invoke.texi (Optimize Options): Document that LTO
3634 won't remove object access purely due to incompatible
3637 2010-04-04 Matthias Klose <doko@ubuntu.com>
3639 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3640 Initialize variable.
3642 2010-04-03 Richard Guenther <rguenther@suse.de>
3645 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3646 require a non-NULL MEM_OFFSET.
3648 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3650 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3651 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3652 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3653 config/alpha/predicates.md, config/arm/arm.md,
3654 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3655 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3656 config/darwin9.h, config/darwin.c, config/darwin.h,
3657 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3658 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3659 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3660 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3661 config/mips/mips.md, config/mn10300/mn10300.c,
3662 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3663 config/rs6000/aix.h, config/rs6000/dfp.md,
3664 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3665 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3666 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3667 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3668 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3669 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3670 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3671 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3672 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3673 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3674 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3675 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3676 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3677 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3678 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3679 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3680 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3681 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3682 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3683 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3684 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3685 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3686 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3687 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3688 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3689 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3690 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3691 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3692 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3693 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3694 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3695 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3696 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3697 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3698 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3699 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3701 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3704 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3705 * aclocal.m4: Regenerate.
3707 2010-04-02 Richard Guenther <rguenther@suse.de>
3709 PR tree-optimization/43629
3710 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3711 if we have seen a constant value.
3713 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3715 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3717 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3720 * arm.c (legitimize_tls_address): Adjust call to
3721 gen_tls_load_dot_plus_four.
3722 (arm_note_pic_base): New function.
3723 (arm_cannot_copy_insn_p): Use it.
3724 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3727 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3732 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3734 * Makefile.in ($(out_object_file)): Depend on
3735 gt-$(basename $(notdir $(out_file))).h.
3737 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3739 * config.gcc (lm32-*-rtems*): Add t-lm32.
3741 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3743 * config.gcc: Add lm32-*-rtems*.
3744 * config/lm32/rtems.h: New file.
3746 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3749 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3751 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3753 * dwarf2out.c (output_compilation_unit_header): For
3754 -gdwarf-4 use version 4 instead of version 3.
3755 (output_line_info): For version 4 and above emit additional
3756 maximum ops per insn header field.
3757 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3759 * dwarf2out.c (is_c_family, is_java): Remove.
3760 (lower_bound_default): New function.
3761 (add_bound_info, gen_descr_array_type_die): Use it.
3763 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3766 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3767 re-declaration when it happens in a function.
3769 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3771 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3772 (cgraph_remove_function_insertion_hook): Same.
3773 (cgraph_call_function_insertion_hooks): Same.
3775 2010-04-01 Richard Guenther <rguenther@suse.de>
3778 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3779 and TREE_THIS_VOLATILE.
3780 (copy_ref_info): Likewise.
3781 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3782 * tree.c (build6_stat): Ignore side-effects of all but arg5
3783 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3786 2010-04-01 Richard Guenther <rguenther@suse.de>
3788 PR tree-optimization/43607
3789 * ipa-type-escape.c (check_call): Do not access non-existing
3792 2010-04-01 Richard Guenther <rguenther@suse.de>
3796 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3797 Jack Howarth <howarth@bromo.med.uc.edu>
3799 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3802 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3804 * doc/install.texi (Prerequisites): Document libelf usability on
3805 IRIX 5/6 and Solaris 2.
3806 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3807 Update GNU as, GNU ld requirements.
3808 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3809 Document Sun Studio compiler download.
3810 Update and simplify as, ld recommendations.
3811 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3813 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3815 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3816 with_tune_32 to pentium4.
3818 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3820 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3822 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3824 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3825 obsoletion, removal.
3827 Document GNU as requirement.
3828 Update configure requirements.
3829 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3830 Recomment IRIX 6.5.18+.
3831 Document IDF/IDL requirement.
3832 Document GNU as requirement.
3833 Document GNU ld bootstrap failure.
3834 Remove freeware.sgi.com reference.
3836 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3838 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3839 UNIX V4.0, V5.0 obsoletion, removal.
3840 Remove --with-gc=simple reference.
3841 Update VM requirements during bootstrap.
3842 Remove -oldas bootstrap description.
3843 Update binutils reference.
3844 Remove comparison failure note.
3846 2010-03-31 Richard Guenther <rguenther@suse.de>
3847 Zdenek Dvorak <ook@ucw.cz>
3848 Sebastian Pop <sebastian.pop@amd.com>
3851 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3852 with multiple arguments.
3853 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3855 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3857 * graphite-dependences.c (print_pddr): Call print_pdr with an
3859 * graphite-poly.c (debug_pdr): Add an extra argument for the
3862 (print_pbb_domain): Same.
3864 (print_scop_context): Same.
3866 (print_cloog): Same.
3867 (debug_pbb_domain): Same.
3871 (debug_scop_context): Same.
3873 (debug_cloog): Same.
3874 (print_scop_params): Same.
3875 (debug_scop_params): Same.
3876 (print_iteration_domain): Same.
3877 (print_iteration_domains): Same.
3878 (debug_iteration_domain): Same.
3879 (debug_iteration_domains): Same.
3880 (print_scattering_function): Same.
3881 (print_scattering_functions): Same.
3882 (debug_scattering_function): Same.
3883 (debug_scattering_functions): Same.
3884 * graphite-poly.h (debug_pdr): Update declaration.
3886 (print_pbb_domain): Same.
3888 (print_scop_context): Same.
3890 (print_cloog): Same.
3891 (debug_pbb_domain): Same.
3895 (debug_scop_context): Same.
3897 (debug_cloog): Same.
3898 (print_scop_params): Same.
3899 (debug_scop_params): Same.
3900 (print_iteration_domain): Same.
3901 (print_iteration_domains): Same.
3902 (debug_iteration_domain): Same.
3903 (debug_iteration_domains): Same.
3904 (print_scattering_function): Same.
3905 (print_scattering_functions): Same.
3906 (debug_scattering_function): Same.
3907 (debug_scattering_functions): Same.
3909 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3911 * graphite-poly.c (print_scattering_function_1): New.
3912 (print_scattering_function): Call it.
3913 (print_scop_params): Remove spaces at the end of lines.
3916 * graphite-poly.h (print_cloog): Declared.
3917 (debug_cloog): Declared.
3919 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3921 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3923 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3924 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3925 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3926 to switch between adding the IV bump in loop->latch or in loop->header.
3928 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3930 * graphite-poly.c (print_scattering_function): Pretty print following
3933 (print_pbb_domain): Same.
3934 (dump_gbb_cases): Same.
3935 (dump_gbb_conditions): Same.
3938 (print_scop_params): Same.
3939 (print_scop_context): Same.
3941 (print_pbb_body): New.
3942 (lst_indent_to): New.
3943 (print_lst): Start new lines with a #.
3944 * graphite-poly.h (pbb_bb): New.
3945 (pbb_index): Use pbb_bb.
3946 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3948 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3950 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3952 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3953 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3954 and 0 instead of 1 for dw_val_class_flag.
3955 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3956 dw_val_class_range_list, dw_val_class_loc_list,
3957 dw_val_class_lineptr and dw_val_class_macptr, use
3958 DW_FORM_flag_present for dw_val_class_flag and
3959 DW_FORM_exprloc for dw_val_class_loc.
3960 (output_die): For -gdwarf-4 print dw_val_class_loc
3961 size as uleb128 instead of 1 or 2 bytes and don't print
3962 anything for dw_val_class_flag.
3964 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3965 instead of cselib_lookup following by tweaking locs->setting_insn.
3968 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3969 even before returning from label, setjmp call or volatile asm
3972 2010-03-31 Richard Guenther <rguenther@suse.de>
3975 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3976 temporary data on stack.
3978 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3980 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3981 (PUSHSECTION_ASM_OP): Remove.
3982 (POPSECTION_ASM_OP): Remove.
3983 (PUSHSECTION_FORMAT): Remove.
3984 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3985 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3986 * config/sol2.c (solaris_output_init_fini): Use it.
3988 2010-03-31 Jie Zhang <jie@codesourcery.com>
3991 * opt-functions.awk (var_type_struct): Use signed char type
3992 for simple variables.
3994 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3996 * config/sol2.c: Include output.h.
3997 (solaris_assemble_visibility): New function.
3998 * config/t-sol2 (sol2.o): Add output.h dependency.
3999 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4000 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4003 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4006 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4007 V2SImode or XFmode on PRE_DEC.
4010 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4013 2010-03-31 Jie Zhang <jie@codesourcery.com>
4016 * reload.h (caller_save_initialized_p): Declare.
4017 * toplev.c (backend_init_target): Don't call
4018 init_caller_save but set caller_save_initialized_p to false.
4019 * caller-save.c (caller_save_initialized_p): Define.
4020 (init_caller_save): Check caller_save_initialized_p.
4021 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4023 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4026 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4027 and soft-fp/t-softfp to tmake_file.
4028 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4029 (LIBGCC2_TF_CEXT): Define.
4032 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4035 * cselib.c (n_useless_values): Document handling of debug locs.
4036 (n_useless_debug_values, n_debug_values): New variables.
4037 (new_elt_loc_list): Don't add to debug values, keep count.
4038 (promote_debug_loc): New.
4039 (cselib_reset_table): Zero new variables.
4040 (entry_and_rtx_equal_p): Promote debug locs.
4041 (discard_useless_locs): Increment n_useless_debug_values for
4043 (remove_useless_values): Adjust n_useless_values and n_debug_values
4044 with n_useless_debug_values.
4045 (add_mem_for_addr): Promote debug locs.
4046 (cselib_lookup_mem): Likewise.
4047 (cselib_lookup_addr): Renamed to...
4048 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4049 (cselib_log_lookup): ... this. Turn into...
4050 (cselib_lookup_addr): ... new wrapper.
4051 (cselib_lookup_from_insn): New.
4052 (cselib_invalidate_regno): Increment n_useless_debug_values for
4054 (cselib_invalidate_mem): Likewise.
4055 (cselib_process_insn): Take n_deleted and n_debug_values into
4056 account to guard remove_useless_value call.
4057 (cselib_finish): Zero n_useless_debug_values.
4058 * cselib.h (cselib_lookup_from_insn): Declare.
4059 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4060 (sched_analyze_2): Likewise.
4062 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4064 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4066 (adjust_mems): Replace narrowing SUBREG of expression containing
4067 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4068 with operations in the narrower mode.
4071 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4072 regs_invalidated_by_call instead all call_used_reg_set registers.
4074 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4077 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4078 pointer comparisons with types_compatible_p.
4079 * tree-vect-stmts.c (vectorizable_call): Same.
4080 (vectorizable_condition): Same.
4082 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4084 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4085 stack check if the mask would be zero.
4087 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4088 Jack Howarth <howarth@bromo.med.uc.edu>
4090 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4093 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4096 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4098 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4099 Include ___unordxf2 and ___unordtf2.
4100 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4103 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4105 * config/lm32/t-lm32: New file.
4106 * config.gcc: Use the above file when targetting lm32.
4108 2010-03-28 Duncan Sands <baldrick@free.fr>
4110 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4112 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4115 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4116 Improve vectorization cost model diagnostic.
4118 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4121 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4122 compute_data_dependences_for_loop returns false, early exit
4123 and output an extra diagnostic for the failed data reference
4126 2010-03-29 Richard Guenther <rguenther@suse.de>
4128 PR tree-optimization/43560
4129 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4130 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4132 2010-03-29 Jie Zhang <jie@codesourcery.com>
4135 * toplev.c (process_options): Set optimization_default_node
4136 and optimization_current_node.
4137 * opts.c (decode_options): Don't set optimization_default_node
4138 and optimization_current_node.
4140 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4142 * config/rtems.h: Abandon -qrtems_debug.
4144 2010-03-28 Jan Hubicka <jh@suse.cz>
4146 PR tree-optimization/43505
4147 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4148 map should not be copied.
4150 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4153 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4154 cdtors, set DECL_PRESERVE_P.
4155 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4158 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4160 PR tree-optimization/43528
4161 * stor-layout.c (place_field): Check that constant fits into
4162 unsigned HWI when skipping calculation of MS bitfield layout.
4164 2010-03-27 Jan Hubicka <jh@suse.cz>
4167 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4168 notice_global_symbol work.
4170 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4172 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4173 instead of dwarf2out_decl.
4174 (struct var_loc_node): Remove section_label field.
4175 (dwarf2out_function_decl): New function.
4176 (dwarf2out_var_location): Don't set section_label field.
4177 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4179 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4181 PR tree-optimization/43544
4182 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4183 First argument for builtin vectorized function hook is now a
4184 tree to be able to distinguish between machine specific and
4186 * targhooks.c (default_builtin_vectorized_function): Ditto.
4187 * targhooks.h (default_builtin_vectorized_function): Ditto.
4188 * target.h (struct gcc_target): Ditto.
4189 * tree-vect-stmts.c (vectorizable_function): Ditto.
4190 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4191 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4194 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4197 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4198 nested binding iff it is a FUNCTION_DECL.
4199 (store_parm_decls_newstyle): Pass nested=true to bind for
4200 FUNCTION_DECLs amongst parameters.
4202 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4204 * var-tracking.c (vt_expand_loc_callback): Don't run
4205 cselib_expand_value_rtx_cb in dummy mode if
4206 cselib_dummy_expand_value_rtx_cb returned false.
4208 * var-tracking.c (emit_note_insn_var_location): For one part
4209 notes with offset 0, don't add EXPR_LIST around the location.
4210 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4211 add_location_or_const_value_attribute): Adjust for that change.
4214 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4215 into first operand and location into second.
4216 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4217 dw_cfi_oprnd_loc for DW_CFA_expression.
4218 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4219 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4220 assume first argument is regnum and second argument is location.
4222 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4225 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4226 of scratch register to DImode. Split to DImode comparison operator.
4227 Use SImode subreg of scratch register in the multiplication.
4228 (*cmp_sadd_sidi): Ditto.
4229 (*cmp_ssub_si): Ditto.
4230 (*cmp_ssub_sidi): Ditto.
4232 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4235 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4236 Remove invalid assert and wrong comment.
4238 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4241 * flags.h (final_insns_dump_p): New extern.
4242 * final.c (final_insns_dump_p): New variable.
4243 (rest_of_clean_state): Set it before -fdump-final-insns=
4244 dumping, clear afterwards.
4245 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4246 MEM_ALIAS_SET on MEMs.
4248 2010-03-26 David S. Miller <davem@davemloft.net>
4250 * configure.ac: Fix sparc GOTDATA_OP bug check.
4251 * configure: Rebuild.
4253 2010-03-26 Alan Modra <amodra@gmail.com>
4255 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4257 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4259 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4260 TLS_SECTION_ASM_FLAG.
4262 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4265 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4266 Clear first_function_block_is_cold.
4269 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4270 argument if the argument is truth_value_p.
4272 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4274 * config/rs6000/constraints.md: Update copyright year for my changes.
4277 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4278 used in reg+reg addressing, swap registers.
4280 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4283 * target.h (struct gcc_target): Add code_end hook.
4284 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4286 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4287 * toplev.c (compile_file): Call targetm.asm_out.code_end
4288 hook before unwind info/debug info output.
4289 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4290 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4291 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4292 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4293 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4294 * config/i386/i386.c (ix86_file_end): Renamed to...
4295 (ix86_code_end): ... this. Make static. Don't call
4296 file_end_indicate_exec_stack. Emit unwind info using
4297 final_start_function/final_end_function.
4298 (darwin_x86_file_end): Remove.
4299 (TARGET_ASM_CODE_END): Define.
4300 * config/i386/i386.h (TARGET_ASM_FILE_END,
4301 NEED_INDICATE_EXEC_STACK): Don't define.
4302 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4303 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4304 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4305 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4308 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4309 at the beginning and final_end_function at the end.
4310 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4312 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4314 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4315 and Sun as TLS syntax.
4316 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4317 * configure: Regenerate.
4318 * config.in: Regenerate.
4319 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4320 (default_elf_asm_named_section): Use it.
4321 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4322 (i386_output_dwarf_dtprel): Likewise.
4323 (output_addr_const_extra): Likewise.
4324 (output_pic_addr_const): Lowercase @GOTTPOFF.
4325 (output_addr_const_extra): Likewise.
4326 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4327 (output_addr_const_extra): Likewise.
4328 (output_pic_addr_const): Lowercase @INDNTPOFF.
4329 (output_addr_const_extra): Likewise.
4330 (output_pic_addr_const): Lowercase @NTPOFF.
4331 (output_addr_const_extra): Likewise.
4332 (output_pic_addr_const): Lowercase @TPOFF.
4333 (output_addr_const_extra): Likewise.
4334 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4335 (*tls_global_dynamic_64): Likewise.
4336 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4337 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4339 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4340 (ASM_OUTPUT_TLS_COMMON): Use it.
4341 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4344 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4345 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4346 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4347 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4348 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4349 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4351 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4353 * config/i386/i386.c (override_options): Don't accept
4354 -mtls-dialect=sun any longer.
4355 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4356 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4357 (*tls_local_dynamic_base_32_sun): Likewise.
4358 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4360 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4363 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4364 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4367 * ira.c (adjust_cleared_regs): New function.
4368 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4372 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4374 * expr.c (expand_expr_real): Restore previous
4375 curr_insn_source_location and curr_insn_block after
4376 expand_expr_real_1 call.
4377 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4378 instead of expand_expr_real_1.
4380 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4382 PR rtl-optimization/43413
4383 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4386 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4389 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4390 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4392 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4394 * config/i386/i386.c (ix86_target_string): Add -mfma.
4395 Fix a typo in comment.
4397 2010-03-22 Mike Stump <mikestump@comcast.net>
4400 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4401 Don't overly align based upon packed packed fields.
4403 2010-03-22 Jason Merrill <jason@redhat.com>
4405 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4406 Use () rather than [], and move before the element type.
4408 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4410 * doc/configfiles.texi (Configuration Files): Removed
4411 fixinc/Makefile*, intl/Makefile.*.
4412 * doc/makefile.texi: Fixed markup. Abstract from version
4413 control system used.
4414 (Makefile): Removed obsolete gcc/java/parse.y example.
4415 * doc/sourcebuild.texi: Likewise.
4416 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4417 libgomp, libssp. Removed fastjar.
4418 (Miscellaneous Docs): Clarify location.
4419 Added COPYING3, COPYING3.LIB.
4420 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4422 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4425 * config/i386/i386.c (x86_function_profiler)
4426 [!NO_PROFILE_COUNTERS]: Fix typo.
4427 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4430 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4431 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4433 * doc/sourcebuild.texi (Test Directives): Split into six
4434 subsections, with most of the current text in new subsections
4435 Directives, Selectors, and Final Actions.
4436 (Directives): Split list of test directives into multiple
4438 (Selectors): Describe use and syntax of selectors.
4439 (Effective-Target Keywords): Describe all existing keywords.
4440 (Add Options): Describe features for dg-add-options.
4441 (Require Support): Describe variants of dg-require-support.
4442 (Final Actions): Describe commands to use in dg-final.
4444 2010-03-22 Michael Matz <matz@suse.de>
4447 * recog.c (validate_replace_rtx_group): Replace also in
4448 REG_EQUAL and REG_EQUIV notes.
4450 2010-03-22 Richard Guenther <rguenther@suse.de>
4452 PR tree-optimization/43390
4453 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4454 sure vector extracts are type correct.
4456 2010-03-22 Richard Guenther <rguenther@suse.de>
4459 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4460 x * sqrt (x) even when optimizing for size if the target
4461 has native support for sqrt.
4463 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4465 * varasm.c (make_decl_rtl_for_debug): Also clear
4466 flag_mudflap for the duration of make_decl_rtl call.
4469 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4470 locs from preserved VALUEs.
4472 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4475 * pa.md (movmemsi): Set align to one if zero.
4476 (movmemdi): Likewise.
4478 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4481 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4482 with their corresponding prologue pushes.
4484 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4487 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4488 at the begining or end.
4489 (spu_expand_epilogue): Likewise.
4491 2010-03-20 Richard Guenther <rguenther@suse.de>
4493 PR rtl-optimization/43438
4494 * combine.c (make_extraction): Properly zero-/sign-extend an
4495 extraction of the low part of a CONST_INT. Also handle
4498 2010-03-19 Mike Stump <mikestump@comcast.net>
4500 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4501 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4502 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4504 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4507 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4510 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4512 PR rtl-optimization/42258
4513 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4514 use that may match DEF.
4517 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4518 the cost of loading the constant rather than assuming
4520 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4521 outer code is AND, do the same tests as the andsi3 expander and
4522 return COSTS_N_INSNS (1) if and is cheap.
4524 * optabs.c (avoid_expensive_constant): Fix formatting.
4526 2010-03-19 Michael Matz <matz@suse.de>
4529 * attribs.c (decl_attributes): When rebuilding a function pointer
4530 type use the same qualifiers as the original pointer type.
4532 2010-03-19 Martin Jambor <mjambor@suse.cz>
4534 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4535 and is_gimple_ip_invariant_address.
4537 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4540 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4542 * config/arm/arm.c (arm_override_options): Turn off
4543 flag_dwarf2_cfi_asm for AAPCS variants.
4545 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4548 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4549 Use PRE_MODIFY instead of PRE_DEC.
4550 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4551 (vfp_emit_fstmd): Likewise.
4553 2010-03-19 Michael Matz <matz@suse.de>
4556 * builtins.c (expand_builtin_interclass_mathfn,
4557 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4560 2010-03-19 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/43415
4563 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4564 (phi_translate_1): ... this.
4565 (phi_translate): Move all caching here. Cache all NARY
4566 and REFERENCE translations.
4568 2010-03-19 David S. Miller <davem@davemloft.net>
4570 With help from Eric Botcazou.
4571 * config/sparc/sparc.c: Include dwarf2out.h.
4572 (emit_pic_helper): Delete.
4573 (pic_helper_symbol_name): Delete.
4574 (pic_helper_emitted_p): Delete.
4575 (pic_helper_needed): New.
4576 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4577 (get_pc_thunk_name): New.
4578 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4579 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4580 Set pic_helper_needed to true. Don't call emit_pic_helper.
4581 (sparc_expand_prologue): Update load_pic_register call.
4582 (sparc_output_mi_thunk): Likewise.
4583 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4584 thunk if possible. Output CFI information as needed.
4586 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4587 Jack Howarth <howarth@bromo.med.uc.edu>
4590 * config/i386/i386.h: Fix ABI on darwin x86-32.
4592 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4594 * tree.h: Declare make_decl_rtl_for_debug.
4595 * varasm.c (make_decl_rtl_for_debug): New.
4596 * dwarf2out.c (rtl_for_decl_location): Call it.
4597 * cfgexpand.c (expand_debug_expr): Call it.
4599 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4602 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4606 * var-tracking.c (vt_init_cfa_base): Do nothing if
4607 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4609 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4612 * var-tracking.c (canonicalize_vars_star): New.
4613 (dataflow_post_merge_adjust): Use it.
4615 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4618 * var-tracking.c (non_suitable_const): New function.
4619 (add_uses): For DEBUG_INSNs with constants, don't record any
4620 value, instead just the constant value itself.
4621 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4622 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4623 (emit_notes_in_bb): Likewise.
4624 (emit_note_insn_var_location): For onepart variables if
4625 cur_loc is a VOIDmode constant, use DECL_MODE.
4627 2010-03-18 Martin Jambor <mjambor@suse.cz>
4630 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4631 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4632 all non-clones. Moved call redirection...
4633 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4634 (cgraph_materialize_all_clones): Dispose of all
4635 combined_args_to_skip bitmaps.
4636 (verify_cgraph_node): Do not check for edges pointing to wrong
4637 nodes in inline clones.
4638 * tree-inline.c (copy_bb): Call
4639 cgraph_redirect_edge_call_stmt_to_callee.
4640 * ipa.c (cgraph_remove_unreachable_nodes): Call
4641 cgraph_node_remove_callees even when there are used clones.
4643 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4645 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4647 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4650 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4653 2010-03-18 Michael Matz <matz@suse.de>
4656 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4657 into sqrt(x) if we need to preserve signed zeros.
4659 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4660 Eric Botcazou <ebotcazou@adacore.com>
4662 PR rtl-optimization/43360
4663 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4664 note if we don't know its invariant status.
4666 2010-03-18 Michael Matz <matz@suse.de>
4668 PR tree-optimization/43402
4669 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4670 PHI chains of ssa names registered for update.
4672 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4675 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4676 non-offsettable and pre_modify update addressing.
4677 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4678 and "2" alternatives "#".
4679 (*movdd_softfloat32): Make all alternatives "#";
4680 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4681 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4682 (*movdf_softfloat32): Make all alternatives "#";
4683 (movdi): Use the new DIFD mode iterator to create a common splitter
4684 for movdi, movdf and movdd patterns.
4686 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4688 * common.opt (dumpdir): Remove redundant tab.
4690 2010-03-17 Martin Jambor <mjambor@suse.cz>
4692 PR tree-optimization/43347
4693 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4694 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4696 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4698 PR rtl-optimization/42216
4699 * regrename.c (create_new_chain): New function, broken out from...
4700 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4701 appending a use to an empty chain.
4702 (build_def_use): Remove previous changes that convert OP_INOUT to
4703 OP_OUT operands; instead detect the case where an OP_INOUT operand
4704 uses a previously untracked register and create an empty chain for it.
4706 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4708 * doc/extend.texi (Function Attributes): Rewrite unfinished
4709 sentence in ms_abi documentation.
4711 2010-03-17 Alan Modra <amodra@gmail.com>
4713 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4714 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4715 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4716 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4718 2010-03-16 Richard Henderson <rth@redhat.com>
4721 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4722 (lower_try_finally): Save and restore eh_seq around the expansion
4725 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4727 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4728 statements before splitting block.
4730 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4732 * doc/sourcebuild.texi (Testsuites): Fix markup.
4733 Use pathnames relative to gcc/testsuite.
4734 (Test Directives): Move description of how timeout is determined.
4735 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4736 (C Tests): Correct gcc.misc-tests directory.
4737 Framework tests now live in gcc.test-framework.
4739 2010-03-16 Richard Guenther <rguenther@suse.de>
4742 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4743 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4745 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4746 Alexandre Oliva <aoliva@redhat.com>
4748 PR tree-optimization/42917
4749 * lambda-code.c (remove_iv): Skip debug statements.
4750 (lambda_loopnest_to_gcc_loopnest): Likewise.
4751 (not_interesting_stmt): Debug statements are not interesting.
4753 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4757 * cselib.c (cselib_preserve_constants,
4758 cfa_base_preserved_val): New static variables.
4759 (preserve_only_constants): New function.
4760 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4761 clear its REG_VALUES. If cselib_preserve_constants, don't
4762 empty the whole hash table, but preserve there VALUEs with constants,
4763 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4764 (cselib_preserve_cfa_base_value): New function.
4765 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4766 (cselib_init): Change argument to int bitfield. Set
4767 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4769 (cselib_finish): Clear cselib_preserve_constants and
4770 cfa_base_preserved_val.
4771 * cselib.h (enum cselib_record_what): New enum.
4772 (cselib_init): Change argument to int.
4773 (cselib_preserve_cfa_base_value): New prototype.
4774 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4775 * dse.c (dse_step1): Likewise.
4776 * cfgcleanup.c (thread_jump): Likewise.
4777 * sched-deps.c (sched_analyze): Likewise.
4778 * gcse.c (local_cprop_pass): Likewise.
4779 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4780 If FN is non-NULL, call the callback always and whenever it returns
4781 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4782 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4783 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4784 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4785 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4786 * var-tracking.c: Include recog.h.
4787 (bb_stack_adjust_offset): Remove.
4788 (vt_stack_adjustments): Don't call it, instead just gather the
4789 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4790 (adjust_stack_reference): Remove.
4791 (compute_cfa_pointer): New function.
4792 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4793 (struct adjust_mem_data): New type.
4794 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4796 (get_address_mode): New function.
4797 (replace_expr_with_values): Use it.
4798 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4799 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4800 (adjust_sets): Remove.
4801 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4802 Use get_address_mode.
4803 (get_adjusted_src): Remove.
4804 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4805 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4806 (add_with_sets): Don't call adjust_sets.
4807 (fp_setter, vt_init_cfa_base): New functions.
4808 (vt_initialize): Change return type to bool. Move most of pool etc.
4809 initialization to the beginning of the function from end. Pass
4810 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4811 If !frame_pointer_needed, call vt_stack_adjustment before mos
4812 vector is filled, call vt_init_cfa_base if argp/framep has been
4813 eliminated to sp. If frame_pointer_needed and argp/framep has
4814 been eliminated to hard frame pointer, set
4815 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4816 encountering fp setter in the prologue. For MO_ADJUST, call
4817 log_op_type before pusing the op into mos vector, not afterwards.
4818 Call adjust_insn before cselib_process_insn/add_with_sets,
4819 call cancel_changes (0) afterwards.
4820 (variable_tracking_main_1): Adjust for vt_initialize calling
4821 vt_stack_adjustments and returning whether it succeeded or not.
4823 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4825 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4828 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4830 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4832 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4833 drap_reg has not been set.
4835 2010-03-15 Michael Matz <matz@suse.de>
4838 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4839 use it to expand block copies.
4840 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4841 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4842 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4844 2010-03-15 Richard Guenther <rguenther@suse.de>
4846 PR tree-optimization/43367
4847 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4850 2010-03-15 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/43317
4853 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4855 2010-03-15 Martin Jambor <mjambor@suse.cz>
4857 PR tree-optimization/43141
4858 * tree-sra.c (create_abstract_origin): New function.
4859 (modify_function): Call create_abstract_origin.
4861 2010-03-15 Chris Demetriou <cgd@google.com>
4863 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4866 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4869 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4870 call insert_out_of_ssa_copy for default definitions.
4872 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4874 * graphite-clast-to-gimple.c (my_long_long): Defined.
4875 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4876 * graphite-sese-to-poly.c (my_long_long): Defined.
4877 (scop_ivs_can_be_represented): Use it.
4879 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4881 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4882 graphite-max-bbs-per-function, and loop-block-tile-size.
4883 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4885 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4887 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4889 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4890 forward declaration.
4891 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4892 (add_upper_bounds_from_estimated_nit): New.
4893 (build_loop_iteration_domains): Use it.
4895 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4897 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4899 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4902 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4903 should be an INTEGER_CST. Also handle CASE_CONVERT.
4905 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4907 * graphite.c (graphite_initialize): To bound the number of bbs per
4908 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4909 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4910 * doc/invoke.texi: Document it.
4912 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4914 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4915 * graphite-sese-to-poly.h (build_poly_scop): Same.
4917 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4919 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4920 the number of parameters in the scop. Use as an upper bound
4921 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4922 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4923 * doc/invoke.texi: Document it.
4925 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4927 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4928 * doc/c-tree.texi: Remove.
4929 * doc/generic.texi: Merge c-tree.texi here.
4930 * doc/gccint.texi (Trees): Remove menu entry.
4931 (c-tree.texi): Remove @include.
4932 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4933 * doc/languages.texi (Reading RTL): Ditto.
4935 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4938 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4940 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4943 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4944 code added to work around reload clobbering CONST insns.
4946 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4948 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4949 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4950 (cselib_preserve_only_values): Remove retain argument, don't
4951 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4952 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4953 * var-tracking.c (micro_operation): Move insn field before union.
4954 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4955 (struct variable_tracking_info_def): Remove n_mos field, change
4956 mos into a vector of micro_operations.
4957 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4958 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4959 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4960 changing into a vector.
4961 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4962 come before all other uops generated by add_stores.
4963 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4965 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4966 a vector. Run just one pass over the bbs instead of separate counting
4967 and computation phase.
4968 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4971 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4972 into *nonlocalized_list vector.
4973 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4974 even if origin is non-NULL.
4975 (gen_variable_die): Likewise.
4976 (process_scope_var): Don't change origin.
4977 (gen_decl_die): Likewise.
4978 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4979 before adding new edges instead of after it, fix moving over
4982 2010-03-11 David S. Miller <davem@davemloft.net>
4984 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4986 * configure: Rebuild.
4988 2010-03-11 Martin Jambor <mjambor@suse.cz>
4990 PR tree-optimization/43257
4991 * tree.c (assign_assembler_name_if_neeeded): New function.
4992 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4994 * tree.h (assign_assembler_name_if_neeeded): Declare.
4995 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4996 the function if needed.
4998 2010-03-11 Chris Demetriou <cgd@google.com>
5000 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5001 include/stdint-gcc.h, and include/stdint.h world-readable.
5003 2010-03-11 Richard Guenther <rguenther@suse.de>
5005 PR tree-optimization/43255
5006 * tree-vrp.c (process_assert_insertions_for): Do not insert
5007 asserts for trivial conditions.
5009 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5011 PR tree-optimization/43280
5012 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5013 generation. Move calculation of size out of the if branch.
5014 (find_bswap): Modify compare number generation.
5016 2010-03-11 Richard Guenther <rguenther@suse.de>
5019 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5020 (input_gimple_stmt): Fixup handled component types during
5021 operand read. Also fix up decls in ADDR_EXPRs.
5023 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5025 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5026 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5028 2010-03-10 Jan Hubicka <jh@suse.cz>
5031 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5032 * varasm.c (get_variable_section): Don't do that here...
5033 (make_decl_rtl): ... and here.
5034 (do_assemble_alias): Produce decl RTL.
5035 (assemble_alias): Likewise.
5037 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5040 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5041 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5043 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5044 (based_loc_descr): Only express drap or vdrap regno based expressions
5045 using DW_OP_fbreg when not optimizing.
5046 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5047 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5048 REG_CFA_SET_VDRAP note.
5050 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5052 PR tree-optimization/43236
5053 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5054 error in calculation of base address in reverse iteration case.
5055 (generate_builtin): Take number of latch executions if the statement
5058 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5061 * tree-eh.c: Include pointer-set.h.
5062 (lower_eh_dispatch): Filter out duplicate case labels and
5063 remove the unneeded edge when the label is unused. Return
5064 true when some edges are removed.
5065 (execute_lower_eh_dispatch): When any lowering resulted in
5066 removing an edge, also delete unreachable blocks.
5068 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5071 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5072 UNSPEC_MACHOPIC_OFFSET.
5074 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5077 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5078 (m68k_delegitimize_address): New function.
5080 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5083 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5086 * var-tracking.c (adjust_sets): New function.
5087 (count_with_sets, add_with_sets): Use it.
5088 (get_adjusted_src): New inline function.
5089 (add_stores): Use it.
5092 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5093 call cselib_dummy_expand_value_rtx_cb instead of
5094 cselib_expand_value_rtx_cb.
5097 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5098 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5099 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5100 and .cfi_endproc around the pic thunks.
5101 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5102 all queued unwind info register saves are saved before the call.
5103 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5104 considered as sp-=4 for unwind info and the pop as sp+=4 which
5105 also clobbers dest, but doesn't actually restore it.
5108 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5109 RTX_FRAME_RELATED_P.
5111 2010-03-09 Jie Zhang <jie@codesourcery.com>
5113 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5114 whitespaces in output template.
5116 2010-03-09 Jie Zhang <jie@codesourcery.com>
5118 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5121 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5123 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5124 builtins.exp in a separate job.
5126 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5128 * graphite-sese-to-poly.c (add_param_constraints): Use
5129 lower_bound_in_type and upper_bound_in_type.
5131 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5133 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5134 instead of unsigned_type_node.
5136 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5137 Reza Yazdani <reza.yazdani@amd.com>
5140 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5141 on pointer type parameters.
5143 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5147 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5148 handle conversions from pointer to integers.
5149 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5150 induction variable, to be able to work with code generated by CLooG.
5151 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5152 (build_poly_scop): Bail out if we cannot codegen a loop.
5154 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5156 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5157 code generation with gloog_error.
5159 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5161 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5162 Call fold_convert on all the returned values.
5163 (expand_scalar_variables_expr): Pass to
5164 expand_scalar_variables_ssa_name the type of the resulting expression.
5166 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5168 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5169 ppl_min_for_le_pointset.
5170 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5171 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5173 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5175 * graphite-dependences.c (map_into_dep_poly): Removed.
5176 (dependence_polyhedron_1): Use combine_context_id_scat.
5178 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5180 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5181 (struct poly_bb): Same.
5182 (combine_context_id_scat): New.
5184 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5187 * sese.c (name_defined_in_loop_p): Return false for default
5190 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5192 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5193 and clean up the logic.
5195 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5197 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5200 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5202 * var-tracking.c (remove_cselib_value_chains): Define only for
5204 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5205 delete_slot_part, emit_notes_for_differences_1): Don't call
5206 remove_cselib_value_chains here.
5207 (set_slot_part, emit_notes_for_differences_2): Don't call
5208 add_cselib_value_chains here.
5209 (preserved_values): New vector.
5210 (preserve_value): New function.
5211 (add_uses, add_stores, vt_add_function_parameters): Use it
5212 instead of cselib_preserve_value.
5213 (changed_values_stack): New vector.
5214 (check_changed_vars_0): New function.
5215 (check_changed_vars_1, check_changed_vars_2): Use it.
5216 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5217 changed_values_stack VALUEs.
5218 (vt_emit_notes): For all preserved_values call
5219 add_cselib_value_chains. If ENABLE_CHECKING call
5220 remove_cselib_value_chains before verifying value_chains is empty.
5221 Initialize and free changed_values_stack.
5222 (vt_initialize): Initialize preserved_values.
5223 (vt_finalize): Free preserved_values.
5225 2010-03-08 Richard Guenther <rguenther@suse.de>
5227 PR tree-optimization/43269
5228 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5231 2010-03-08 Martin Jambor <mjambor@suse.cz>
5233 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5234 (ipa_is_param_called): Removed.
5235 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5236 (ipa_print_node_params): Do not print the called flag.
5237 (ipa_write_node_info): Do not stream the called flag.
5238 (ipa_read_node_info): Likewise.
5240 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5243 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5244 * cselib.c (struct expand_value_data): Add dummy field.
5245 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5247 (cselib_dummy_expand_value_rtx_cb): New function.
5248 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5250 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5251 * var-tracking.c: Include pointer-set.h.
5252 (variable): Change n_var_parts to char from int. Add
5253 cur_loc_changed and in_changed_variables fields.
5254 (variable_canonicalize): Remove.
5255 (shared_var_p): New inline function.
5256 (unshare_variable): Maintain cur_loc_changed and
5257 in_changed_variables fields. If var was in changed_variables,
5258 replace it there with new_var. Just copy cur_loc instead of
5259 resetting it to something else.
5260 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5261 (dataflow_set_union): Don't call variable_canonicalize.
5262 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5263 of their DEBUG_EXPR_TREE_DECLs.
5264 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5265 and in_changed_variables and cur_loc_changed is false.
5266 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5267 and cur_loc_changed. Don't update cur_loc here.
5268 (variable_merge_over_src): Don't call variable_canonicalize.
5269 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5270 removing loc that is equal to cur_loc, clear cur_loc,
5271 set cur_loc_changed and ensure variable_was_changed is called.
5272 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5273 compare pointers in cur_loc check, if it is equal to loc,
5274 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5275 (variable_different_p): Remove compare_current_location argument,
5276 don't compare cur_loc.
5277 (dataflow_set_different_1): Adjust variable_different_p caller.
5278 (variable_was_changed): If dv had some var in changed_variables
5279 already, reset in_changed_variables flag for it and propagate
5280 cur_loc_changed over to the new variable. On empty var
5281 always set cur_loc_changed. Set in_changed_variables on whatever
5282 var is added to changed_variables.
5283 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5284 Use shared_var_p. When removing loc that is equal to cur_loc,
5285 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5286 end, don't set it to something else, just call variable_was_changed.
5287 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5288 loc being removed, clear cur_loc and set cur_loc_changed.
5289 Set cur_loc_changed if all locations have been removed.
5290 (struct expand_loc_callback_data): New type.
5291 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5292 allocated. Always create SUBREGs if simplify_subreg failed.
5293 Prefer to use cur_loc, when that fails and still in
5294 changed_variables (and seen first time) recompute it. Set
5295 cur_loc_changed of variables which had to change cur_loc and
5296 compute elcd->cur_loc_changed if any of the subexpressions used
5297 had to change cur_loc.
5298 (vt_expand_loc): Adjust to pass arguments in
5299 expand_loc_callback_data structure.
5300 (vt_expand_loc_dummy): New function.
5301 (emitted_notes): New variable.
5302 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5303 that weren't used for any other decl in current
5304 emit_notes_for_changes call call vt_expand_loc_dummy to update
5305 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5306 first loc_chain location if NULL before. Always use just
5307 cur_loc instead of first loc_chain location. When cur_loc_changed
5308 is false, when not --enable-checking=rtl just don't emit any note.
5309 When rtl checking, compute the note and assert it is the same
5310 as previous note. Clear cur_loc_changed and in_changed_variables
5311 at the end before removing from changed_variables.
5312 (check_changed_vars_3): New function.
5313 (emit_notes_for_changes): Traverse changed_vars to call
5314 check_changed_vars_3 on each changed var.
5315 (emit_notes_for_differences_1): Clear cur_loc_changed and
5316 in_changed_variables. Recompute cur_loc of new_var.
5317 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5318 (vt_emit_notes): Initialize and destroy emitted_notes.
5320 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5322 PR rtl-optimization/42220
5323 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5324 Use verify_reg_tracked to determine if we should use OP_OUT rather
5326 (build_def_use): If we see an in-out operand for a register that we
5327 know nothing about, treat is an output if possible, fail the block if
5330 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5333 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5336 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5339 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5340 uses of relevant DEFs that are dead outside the loop too.
5342 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5344 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5346 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5348 * var-tracking.c (values_to_unmark): New variable.
5349 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5350 values_to_unmark vector. Moved body to...
5351 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5352 instead queue it into values_to_unmark vector.
5353 (vt_find_locations): Free values_to_unmark vector.
5355 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5357 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5358 (site.exp): Export them when plugins are enabled.
5360 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5363 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5365 (chrec_fold_multiply): Same.
5367 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5370 * c-decl.c (build_compound_literal): Return early if init is
5373 2010-03-04 Martin Jambor <mjambor@suse.cz>
5375 PR tree-optimization/43164
5376 PR tree-optimization/43191
5377 * tree-sra.c (type_consists_of_records_p): Reject records with
5378 zero-size bit-fields at the end.
5380 2010-03-04 Mike Stump <mikestump@comcast.net>
5382 * Makefile.in (TAGS): Remove *.y.
5384 2010-03-04 Richard Guenther <rguenther@suse.de>
5386 PR tree-optimization/40761
5387 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5389 (my_rev_post_order_compute): New function.
5390 (init_pre): Call it.
5392 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5395 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5396 decrease the cost of an IV candidate when the cost is infinite.
5398 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5400 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5401 Use '3DNow!' for the extension of that name, ensure normal space
5403 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5405 2010-03-03 Jeff Law <law@redhat.com>
5407 * PR middle-end/32693
5408 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5409 than gen_rtx_SUBREG.
5410 (extract_bit_field_1): Likewise.
5412 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5414 * doc/sourcebuild.texi (Test directives): Document that arguments
5415 include-opts and exclude-opts are now optional for dg-skip-if,
5416 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5418 2010-03-03 Jason Merrill <jason@redhat.com>
5421 * cgraph.h (varpool_node): Add extra_name field.
5422 * varpool.c (varpool_extra_name_alias): New.
5423 (varpool_assemble_decl): Emit extra name aliases.
5424 (varpool_mark_needed_node): Look past an extra name alias.
5425 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5426 * lto-streamer-in.c (lto_input_tree): Read it.
5427 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5429 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5431 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5432 (sparc*-*-solaris2*): ...this.
5434 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5437 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5438 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5439 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5440 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5443 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5444 fallthrough to default handling, just with want_address 0 instead of 2.
5445 For single element lists, add_AT_loc directly, otherwise create an
5446 artificial variable DIE and stick location list to it.
5449 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5450 (VAL_EXPR_HAS_REVERSE): Define.
5451 (reverse_op): New function.
5452 (add_stores): For reversible operations add an extra MO_VAL_USE.
5454 2010-03-02 Jason Merrill <jason@redhat.com>
5456 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5458 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5460 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5461 (sparc64-*-linux*): Likewise.
5462 (sparc64-*-solaris2*): Include assembler files before linker ones.
5463 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5464 * config/sparc/gas.h: Delete.
5465 * config/sparc/sol2-64.h: Add copyright notice.
5466 * config/sparc/sol2-gas-bi.h: Likewise.
5467 * config/sparc/sol2-gld.h: Likewise.
5468 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5469 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5470 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5471 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5472 (sparc_elf_asm_named_section): Rename into...
5473 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5475 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5477 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5479 2010-03-02 Jeff Law <law@redhat.com>
5482 * reload1.c (rtx_p, substitute_stack): Declare.
5483 (substitute): Record addresses of changed rtxs.
5484 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5485 Restore the original rtx when complete.
5486 (reload): Free subsitute_stack when complete.
5488 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5490 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5491 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5493 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5494 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5495 Torture Tests): Change from subsection to section.
5497 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5498 Steven Bosscher <steven@gcc.gnu.org>
5500 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5503 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5506 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5507 the assignment from the new induction variable to the assignment
5508 of the value from the original loop PHI function.
5510 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5511 Daniel Jacobowitz <dan@codesourcery.com>
5513 * doc/sourcebuild.texi (Test directives): Clarify options to
5516 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5518 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5519 Disable cfi directives unless GCC and gas agree on using read-only
5520 .eh_frame sections for 64-bit.
5521 * configure: Regenerate.
5523 2010-03-01 Richard Guenther <rguenther@suse.de>
5525 PR tree-optimization/43220
5526 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5527 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5529 2010-03-01 Richard Guenther <rguenther@suse.de>
5530 Martin Jambor <mjambor@suse.cz>
5533 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5534 gimplified parameters.
5536 2010-03-01 Christian Bruel <christian.bruel@st.com>
5538 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5540 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5542 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5544 2010-03-01 Richard Guenther <rguenther@suse.de>
5547 * expr.c (expand_assignment): Use the alias-oracle to tell
5548 if the rhs aliases the result decl.
5550 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5553 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5554 to sol_gt_pch_get_address.
5555 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5556 64-bit, SPARC and x86.
5557 (sol_gt_pch_get_address): New function.
5559 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5561 * toplev.h (inform_n, error_n): Declare.
5562 * diagnostic.c (inform_n, error_n): New function.
5564 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5566 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5567 has no rtl yet when processing local_decls, queue it and recheck
5568 if deferred stack allocation hasn't assigned it rtl.
5570 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5572 * config/sh/sh.c (unspec_bbr_uid): New.
5573 (gen_block_redirect): Use it instead of INSN_UID.
5574 (gen_far_branch): Likewise.
5576 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5578 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5579 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5581 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5583 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5584 (Warning Options): -Wno-conversion-null is valid for
5585 Objective-C++ as well.
5586 * doc/tm.texi (Named Address Spaces): Likewise.
5587 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5588 * doc/tree-ssa.texi (Tree SSA): Likewise.
5590 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5593 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5594 by default. Don't set the default arch for
5595 i[34567]86-*-darwin*|x86_64-*-darwin*.
5597 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5600 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5601 default. Set the default 32bit/64bit archs with $with_arch
5602 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5604 2010-02-27 Richard Guenther <rguenther@suse.de>
5606 PR tree-optimization/43186
5607 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5608 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5609 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5610 unroller iterations.
5612 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5614 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5615 required and i[34567]86-*-* targets don't support 64bit ISA.
5617 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5620 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5623 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5625 * config.gcc: Set the default arch at least to Prescott for
5626 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5627 if SSE math is enabled.
5629 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5631 * diagnostic.c (diagnostic_initialize): Update.
5632 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5634 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5635 (diagnostic_inhibit_notes): New.
5636 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5638 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5641 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5642 * doc/standards.texi: Likewise.
5643 * doc/extend.texi: Likewise.
5644 * doc/trouble.texi: Likewise.
5645 * doc/cppopts.texi: Likewise.
5646 * doc/install.texi: Likewise.
5647 * c.opt (std=c90,std=gnu90): New options.
5648 * c-opts.c (c_common_handle_option): Handle them.
5650 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5653 * c-decl.c (undeclared_variable): Use an informative note.
5655 2010-02-26 Richard Guenther <rguenther@suse.de>
5657 PR tree-optimization/43186
5658 * gimple.h (gimple_fold): Remove.
5659 * gimple.c (gimple_fold): Remove. Inline into single user ...
5660 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5661 Try harder for conditions.
5663 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5666 * function.c (used_types_insert): Don't skip through named pointer
5667 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5668 and it is different from the main variant's type.
5670 2010-02-26 Nick Clifton <nickc@redhat.com>
5672 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5674 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5676 * config.gcc: Support --with-fpmath=sse for x86.
5678 * config/i386/ssemath.h: New.
5680 * doc/install.texi (--with-fpmath=sse): Documented.
5682 2010-02-26 Richard Guenther <rguenther@suse.de>
5684 PR tree-optimization/43188
5685 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5686 vector types of over-aligned element type.
5688 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5691 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5692 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5694 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5696 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5698 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5700 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5701 * var-tracking.c: Include diagnostic.h.
5702 (debug_dv): New function.
5703 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5706 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5707 (add_value_chain, add_value_chains, remove_value_chain,
5708 remove_value_chains): Handle DEBUG_EXPRs.
5709 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5712 * regcprop.c (struct queued_debug_insn_change): New type.
5713 (struct value_data_entry): Add debug_insn_changes field.
5714 (struct value_data): Add n_debug_insn_changes field.
5715 (debug_insn_changes_pool): New variable.
5716 (free_debug_insn_changes, apply_debug_insn_changes,
5717 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5718 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5719 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5721 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5723 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5724 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5725 changes, call cprop_find_used_regs via note_stores.
5726 (copyprop_hardreg_forward): When copying vd from predecessor
5727 which has any queued DEBUG_INSN changes, make sure the pointers are
5728 cleared. At the end call df_analyze and then if there are any
5729 DEBUG_INSN changes queued at the end of some basic block for still
5730 live registers, apply them.
5731 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5733 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5735 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5738 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5740 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5741 targets. Set the default with_cpu/with_arch from arch/cpu.
5742 Allow x86-64 and native for with_cpu/with_arch.
5744 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5746 * ebitmap.c: Change calls to verify_popcount with calls to
5747 sbitmap_verify_popcount.
5748 (ebitmap_clear_bit): Fixed map->cacheindex test and
5749 map>cache update when bit clearing results in an empty
5752 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5755 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5756 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5757 and support both V2DF and V2DI modes.
5758 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5759 support both V2DF and V2DI modes.
5760 (general): Delete trailing whitespace from a few patterns.
5762 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5763 V2DF/V2DI interleave high/low builtins.
5765 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5768 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5769 interleave high/low functions.
5771 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5773 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5774 #pragma extern_prefix.
5776 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5779 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5780 BLKmode, assert op0 is a MEM and just adjust its mode.
5783 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5784 if bitpos isn't multiple of mode's bitsize.
5786 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5788 * c.opt (-ftemplate-depth=): New.
5789 (-ftemplate-depth-): Deprecate.
5790 * optc-gen.awk: Handle -ftemplate-depth=.
5791 * opth-gen.awk: Likewise.
5792 * c-opts.c (c_common_handle_option): Likewise.
5793 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5795 2010-02-24 Jason Merrill <jason@redhat.com>
5797 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5799 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5801 * cfg.c (alloc_aux_for_block): Remove inline.
5802 (alloc_aux_for_edge): Likewise.
5804 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5806 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5808 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5810 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5811 * config/i386/sol2-gas.h: New file.
5812 * config.gcc (i[34567]86-*-solaris2*): Use it.
5814 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5817 * c-typeck.c (ep_convert_and_check): New.
5818 (build_conditional_expr): Use it.
5819 (build_binary_op): Likewise.
5821 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5823 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5826 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5827 bounds even for -O+.
5828 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5829 expr needs to have DECL_NAME set.
5831 2010-02-24 Nick Clifton <nickc@redhat.com>
5833 * config/mep/mep.c: Include gimple.h.
5834 (mep_function_uses_sp): Delete unused function.
5835 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5836 parameters. Use unsigned integers to count args. Return a
5837 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5839 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5842 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5843 greater or equal to nelt instead of 2 * nelt.
5844 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5847 2010-02-23 Jason Merrill <jason@redhat.com>
5850 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5851 in cfun->local_decls even if they have register types.
5854 * stor-layout.c (place_field): Don't warn about unnecessary
5855 DECL_PACKED if the type is packed.
5857 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5860 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5861 GOTOFF relocs, even when the base reg isn't pic pointer.
5863 2010-02-23 Michael Matz <matz@suse.de>
5866 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5867 (expand_gimple_basic_block): Generate and use debug temps if there
5868 are debug uses left after the last real use of TERed ssa names.
5869 Unlink debug immediate uses when they are expanded.
5871 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5874 * config/i386/i386.c (override_options): Reorganise to provide
5875 better error messages.
5877 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5880 * graphite-scop-detection.c (create_single_exit_edge): Move
5881 the call to find_single_exit_edge to....
5882 (create_sese_edges): ...here. Don't handle multiple edges
5883 exiting the function.
5884 (build_graphite_scops): Don't handle multiple edges
5885 exiting the function.
5887 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5890 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5891 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5893 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5896 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5898 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5901 * c-typeck.c (convert_arguments): Print declaration location.
5902 * c-common.c (validate_nargs): Rename as
5903 builtin_function_validate_nargs.
5904 (check_builtin_function_arguments): Update.
5906 2010-02-22 Richard Guenther <rguenther@suse.de>
5909 * tree-inline.c (declare_return_variable): Use the type of
5910 the call stmt lhs if available.
5912 2010-02-22 Duncan Sands <baldrick@free.fr>
5914 * passes.c (register_pass): Always consider all pass lists when
5915 ref_pass_instance_number is zero.
5917 2010-02-22 Richard Guenther <rguenther@suse.de>
5919 PR tree-optimization/42749
5920 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5921 parameter. Do arithmetic in the original type.
5922 (update_accumulator_with_ops): Likewise.
5923 (adjust_accumulator_values): Adjust.
5925 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5927 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5928 (QI to BLKmode splitter): New splitter.
5930 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5932 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5933 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5935 2010-02-22 Richard Guenther <rguenther@suse.de>
5937 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5939 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5941 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5942 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5943 ($(T)crti.o, $(T)crtn.o): Remove rules.
5945 2010-02-21 Tobias Burnus <burnus@net-b.de>
5948 * doc/invoke.texi (-fassociative-math): Document that this
5949 option is automatically enabled for Fortran.
5951 2010-02-20 David S. Miller <davem@davemloft.net>
5953 * configure.ac: Test if linker and assembler properly support
5954 GOTDATA_OP relocations.
5955 * configure: Rebuild.
5956 * config.in: Likewise.
5957 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5958 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5959 (movsi_high_pic): Likewise.
5960 (movdi_lo_sum_pic): Likewise.
5961 (movdi_high_pic): Likewise.
5962 (movsi_pic_gotdata_op): New pattern.
5963 (movdi_pic_gotdata_op): Likewise.
5964 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5965 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5967 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5970 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5971 attribute to ssemul.
5972 (xop_mulv2div2di3_high): Ditto.
5974 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5977 * c.opt (Wconversion-null): New option.
5978 * doc/invoke.texi (Wconversion-null): Document.
5980 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5982 * common.opt (Wlarger-than-): Add Undocumented.
5984 2010-02-19 Mike Stump <mikestump@comcast.net>
5986 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5988 2010-02-19 Jason Merrill <jason@redhat.com>
5991 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5992 * configure: Likewise.
5994 2010-02-20 Alan Modra <amodra@gmail.com>
5997 * cgraph.h (cgraph_make_decl_local): Declare.
5998 * cgraph.c (cgraph_make_decl_local): New function.
5999 (cgraph_make_node_local): Use it.
6000 * cgraphunit.c (cgraph_function_versioning): Likewise.
6001 * ipa.c (function_and_variable_visibility): Likewise.
6003 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6006 * except.c (sjlj_emit_function_enter): Don't call
6007 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6009 * rtl.h (add_reg_br_prob_note): Remove prototype.
6011 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6014 * c-common.c (conversion_warning): Remove widening conversions
6015 before checking the conversion of integers to reals.
6017 2010-02-19 Mike Stump <mikestump@comcast.net>
6020 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6023 * cgraphunit.c (process_function_and_variable_attributes): Check
6024 DECL_PRESERVE_P instead of looking up attribute "used".
6025 * ipa-pure-const.c (check_decl): Likewise.
6026 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6027 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6028 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6029 instead of attribute "used".
6030 * config/sol2-c.c (solaris_pragma_init): Likewise.
6031 (solaris_pragma_fini): Likewise.
6033 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6035 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6036 Use XCNEW instead of xcalloc.
6037 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6038 XNEW instead of xmalloc.
6039 (get_fields): Use XNEWVEC instead of xmalloc.
6042 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6043 populate vars array.
6044 (create_new_general_access): For debug stmts just reset value.
6045 (get_stmt_accesses): For accesses within debug stmts just record them
6046 using add_access_to_acc_sites instead of preventing the peeling or
6047 counting them as accesses.
6050 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6052 2010-02-19 Richard Guenther <rguenther@suse.de>
6054 PR tree-optimization/42916
6055 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6058 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6060 * configure.ac: Replace all uses of changequote in macro arguments
6061 with proper quoting.
6063 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6066 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6068 2010-02-19 Richard Guenther <rguenther@suse.de>
6070 PR tree-optimization/42944
6071 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6072 test for aliasing with errno.
6074 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6077 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6078 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6079 * dojump.c: Include output.h.
6080 (inv): New inline function.
6081 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6082 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6083 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6084 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6085 argument, pass it down to other calls.
6086 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6087 add REG_BR_PROB note to the conditional jump.
6088 * cfgexpand.c (add_reg_br_prob_note): Removed.
6089 (expand_gimple_cond): Don't call it, add the probability
6090 as last argument to jumpif_1/jumpifnot_1.
6091 * Makefile.in (dojump.o): Depend on output.h.
6092 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6094 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6095 * stmt.c (do_jump_if_equal): Likewise.
6096 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6097 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6098 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6100 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6101 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6102 jumpifnot_1 callers.
6103 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6105 (store_expr): Adjust jumpifnot caller.
6106 (store_constructor): Adjust jumpif caller.
6109 * gimplify.c (gimple_boolify): For __builtin_expect call
6110 gimple_boolify also on its first argument.
6112 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6114 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6116 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6117 * configure: Regenerated.
6119 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6121 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6122 lang_hooks.types_compatible_p instead of comptypes.
6124 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6126 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6127 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6128 if __prefer_thumb__ is defined.
6130 2010-02-18 Martin Jambor <mjambor@suse.cz>
6132 PR tree-optimization/43066
6133 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6134 array with zero-sized element type.
6136 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6138 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6139 rtx, allocate struct var_loc_node here and return it to the
6140 caller, and only if it is actually needed.
6141 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6142 move it earlier and return immediately if it returns NULL.
6144 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6146 * config/sparc/gas.h: New file. Restore
6147 TARGET_ASM_NAMED_SECTION to its ELF default.
6148 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6150 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6151 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6152 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6153 after sparc/sysv4.h.
6155 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6157 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6159 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6161 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6162 patterns from predicated pattern.
6164 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6167 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6168 for insn mnemonic suffix.
6170 2010-02-17 Richard Guenther <rguenther@suse.de>
6172 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6175 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6178 * caller-save.c (save_call_clobbered_regs): If BB ends with
6179 a DEBUG_INSN, move any notes in between last real insn and the last
6180 DEBUG_INSN after the last DEBUG_INSN.
6182 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6184 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6185 Fix return type. Fix argument type. Explain meaning of return value.
6187 2010-02-16 Richard Guenther <rguenther@suse.de>
6189 PR tree-optimization/41043
6190 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6191 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6193 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6195 2010-02-16 Ira Rosen <irar@il.ibm.com>
6197 PR tree-optimization/43074
6198 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6199 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6200 vectorizable cycles in hybrid SLP check.
6201 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6203 2010-02-16 Richard Guenther <rguenther@suse.de>
6205 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6206 (true_dependence): If memrefs_conflict_p computes must-alias
6207 trust it. Move TBAA check after offset-based disambiguation.
6208 (canon_true_dependence): Likewise.
6210 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6212 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6213 * doc/invoke.texi: Document it.
6214 * var-tracking.c: Include toplev.h and params.h.
6215 (vt_find_locations): Return bool indicating success. Compute
6216 hash sizes unconditionally. Check new parameter, report.
6217 (variable_tracking_main_1): Check vt_find_locations results and
6218 retry. Renamed from...
6219 (variable_tracking_main): ... this. New wrapper to preserve
6220 flag_var_tracking_assignments.
6221 * Makefile.in (var-tracking.o): Adjust dependencies.
6223 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6224 Jakub Jelinek <jakub@redhat.com>
6227 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6228 if weak_import attribute is present.
6229 * config/darwin.c (machopic_select_section): Likewise.
6231 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6233 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6234 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6235 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6236 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6238 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6241 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6244 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6245 Rewrite text to refer to the names.
6247 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6249 * config/i386/i386-builtin-types.def
6250 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6251 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6252 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6253 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6254 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6255 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6256 IX86_BUILTIN_VPERMIL2PS256.
6257 (MULTI_ARG_4_DF2_DI_I): Defined.
6258 (MULTI_ARG_4_DF2_DI_I1): Defined.
6259 (MULTI_ARG_4_SF2_SI_I): Defined.
6260 (MULTI_ARG_4_SF2_SI_I1): Defined.
6261 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6262 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6263 __builtin_ia32_vpermil2ps256.
6264 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6265 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6266 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6267 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6268 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6269 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6270 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6271 CODE_FOR_xop_vpermil2v8sf3.
6272 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6273 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6274 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6275 (_mm256_permute2_pd): New.
6276 (_mm_permute2_ps): New.
6277 (_mm256_permute2_ps): New.
6279 2010-02-15 Nick Clifton <nickc@redhat.com>
6281 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6282 boolean parameters. Use emit_jump_insn when emitting a pop
6283 instruction containing a return insn.
6284 (push): Use 'true' rather than '1' as second parameter to F.
6285 (h8300_expand_prologue): Likewise.
6286 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6287 (h8300_expand_epilogue): Likewise.
6289 2010-02-15 Richard Guenther <rguenther@suse.de>
6292 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6295 2010-02-15 Nick Clifton <nickc@redhat.com>
6297 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6300 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6302 * intl.c (fake_ngettext): New function.
6303 * intl.h (fake_ngettext): Declare.
6304 (ngettext): Define macro.
6305 * collect2.c (notice_translated): New function.
6306 (main): Use notice_translated and ngettext.
6307 * collect2.h (notice_translated): Declare.
6309 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6311 * reorg.c (delete_computation): Comment fixes.
6312 * caller-save.c (setup_save_areas): Idem.
6313 * sel-sched-dump.c (dump_lv_set): Idem.
6316 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6318 * config/s390/s390.c (s390_sched_init): New function.
6319 (TARGET_SCHED_INIT): Target hook defined.
6321 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6322 Jack Howarth <howarth@bromo.med.uc.edu>
6323 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6326 Partial revert of unintended change in fix for PR41605.
6327 * config/darwin.h: Fix typo.
6328 * config/darwin9.h: Same.
6330 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6332 * c-pch.c (pch_init): Clear v.
6334 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6337 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6338 graphite_can_represent_init for MULT_EXPR.
6340 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6344 * graphite-sese-to-poly.c (remove_phi): New.
6345 (translate_scalar_reduction_to_array): Call remove_phi.
6347 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6350 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6351 * graphite-clast-to-gimple.h (gloog): Update declaration.
6352 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6353 * graphite-poly.h (struct poly_bb): Add missing comments.
6354 (struct scop): Add poly_scop_p field.
6356 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6357 * graphite.c (graphite_transform_loops): Build the polyhedral
6358 representation for each scop before code generation.
6359 * sese.c (rename_variables_in_operand): Removed.
6360 (rename_variables_in_expr): Return the renamed expression.
6361 (rename_sese_parameters): New.
6362 * sese.h (rename_sese_parameters): Declared.
6364 2010-02-11 Richard Guenther <rguenther@suse.de>
6366 PR tree-optimization/42998
6367 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6368 POINTER_PLUS_EXPR properly.
6370 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6371 Changpeng Fang <changpeng.fang@amd.com>
6374 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6375 the cost of an IV candidate when the IV is used in a test against zero.
6377 * gcc.dg/tree-ssa/ivopts-3.c: New.
6379 2010-02-11 Richard Guenther <rguenther@suse.de>
6382 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6383 pointer-vs-decl case by swapping refs. Handle some cases
6384 of pointer-vs-decl disambiguations more conservatively.
6385 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6386 to false after expanding.
6388 2010-02-11 Richard Guenther <rguenther@suse.de>
6391 * gcc.c (process_command): Handle LTO file@offset case more
6394 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6396 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6397 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6399 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6401 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6402 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6403 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6404 Optimize eq/ne comparisons when both arguments are known to be
6406 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6407 Don't mask operands unnecessarily if they are known to be already
6410 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6412 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6415 2010-02-10 Richard Guenther <rguenther@suse.de>
6417 PR tree-optimization/43017
6418 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6419 for wrapping signed arithmetic.
6421 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6424 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6425 if no debug info should be emitted for it.
6427 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6429 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6430 note when flag_exceptions is set.
6432 2010-02-10 Duncan Sands <baldrick@free.fr>
6434 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6436 2010-02-10 Richard Guenther <rguenther@suse.de>
6439 * tree.c (get_unwidened): Handle constants.
6440 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6442 2010-02-10 Martin Jambor <mjambor@suse.cz>
6445 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6446 check for variable argument counts independently.
6448 2010-02-10 Christian Bruel <christian.bruel@st.com>
6451 * config/sh/sh.c (find_barrier): Increase length for non delayed
6452 conditional branches.
6454 2010-02-10 Christian Bruel <christian.bruel@st.com>
6456 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6458 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6460 * builtins.c (set_builtin_user_assembler_name): Also handle
6461 ffs if int is smaller than word.
6463 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6466 * ira-conflicts.c (get_dup): Remove.
6467 (process_reg_shuffles): Add new parameter. Use it as an
6468 additional guard for copy generation.
6469 (add_insn_allocno_copies): Rewrite.
6471 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6473 * common.opt (fsched2-use-traces): Preserved for backward
6475 * doc/invoke.texi: Remove the documentation about option
6476 -fsched2-use-traces.
6477 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6478 flag_sched2_use_traces.
6479 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6480 the backward compatibility flag section.
6482 2010-02-09 Richard Guenther <rguenther@suse.de>
6484 PR tree-optimization/43008
6485 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6486 make HEAP variables initialized from global memory if they
6487 are not known builtin functions.
6488 (find_func_aliases): Adjust.
6490 2010-02-09 Richard Guenther <rguenther@suse.de>
6492 PR tree-optimization/43000
6493 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6494 arithmetic manually.
6496 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6498 PR tree-optimization/42931
6499 * tree-loop-linear.c (try_interchange_loops): Don't call
6500 double_int_mul if estimated_loop_iterations failed.
6502 2010-02-08 Martin Jambor <mjambor@suse.cz>
6505 * tree-sra.c (build_accesses_from_assign): Do not mark in
6506 should_scalarize_away_bitmap if stmt has volatile ops.
6507 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6510 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6512 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6514 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6516 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6519 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6522 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6524 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6527 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6528 to unknown_dependence.
6529 (graphite_legal_transform_dr): Handle the unknown_dependence.
6530 (graphite_carried_dependence_level_k): Same.
6532 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6534 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6536 2010-02-07 Richard Guenther <rguenther@suse.de>
6539 * expr.c (get_inner_reference): Always initialize *pbitsize.
6541 2010-02-07 Richard Guenther <rguenther@suse.de>
6544 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6545 new ARRAY_REFs on variable size element or minimal index arrays.
6547 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6548 gimple_fold_indirect_ref.
6550 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6553 * arm.c (arm_override_options): Just return if the user has specified
6554 an invalid fpu name.
6556 2010-02-03 Jason Merrill <jason@redhat.com>
6559 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6560 i386_pe_maybe_record_exported_symbol.
6562 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6565 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6566 (pa_delegitimize_address): New function.
6568 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6570 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6571 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6573 2010-02-05 Richard Guenther <rguenther@suse.de>
6576 * lto-streamer-in.c (get_resolution): Deal with references
6577 to undefined functions.
6579 2010-02-05 Richard Guenther <rguenther@suse.de>
6581 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6582 (fold_const_aggregate_ref): Likewise.
6583 (ccp_fold_stmt): Substitute loads.
6584 (maybe_fold_reference): Verify types before substituting.
6586 (fold_gimple_assign): Unshare properly.
6587 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6589 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6591 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6592 for rs6000_gen_cell_microcode.
6594 2010-02-04 Richard Guenther <rguenther@suse.de>
6596 PR rtl-optimization/42952
6597 * dse.c (const_or_frame_p): Remove MEM handling.
6599 2010-02-04 Nick Clifton <nickc@redhat.com>
6601 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6602 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6603 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6604 (mn10300_asm_output_mi_thunk): New function.
6605 (mn10300_can_output_mu_thunk): New function.
6606 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6607 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6608 (FUNCTION_ARG): Delete incorrect comment.
6610 2010-02-03 Jason Merrill <jason@redhat.com>
6613 * fold-const.c (operand_equal_p): Handle erroneous types.
6615 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6617 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6619 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6621 PR rtl-optimization/42941
6622 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6625 2010-02-03 Jason Merrill <jason@redhat.com>
6628 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6630 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6633 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6634 (cselib_reset_table): Renamed from...
6635 (cselib_reset_table_with_next_value): ... this.
6636 (cselib_get_next_uid): Renamed from...
6637 (cselib_get_next_unknown_value): ... this.
6638 * cselib.c (next_uid): Renamed from...
6639 (next_unknown_value): ... this.
6640 (cselib_clear_table): Adjust.
6641 (cselib_reset_table): Adjust. Renamed from...
6642 (cselib_reset_table_with_next_value): ... this.
6643 (cselib_get_next_uid): Adjust. Renamed from...
6644 (cselib_get_next_unknown_value): ... this.
6645 (get_value_hash): Use hash.
6646 (cselib_hash_rtx): Likewise.
6647 (new_cselib_val): Adjust. Set and dump uid.
6648 (cselib_lookup_mem): Pass next_uid as hash.
6649 (cselib_subst_to_values): Likewise.
6650 (cselib_log_lookup): Dump uid.
6651 (cselib_lookup): Pass next_uid as hash. Adjust.
6652 (cselib_process_insn): Adjust.
6653 (cselib_init): Initialize next_uid.
6654 (cselib_finish): Adjust.
6655 (dump_cselib_table): Likewise.
6656 * dse.c (canon_address): Dump value uid.
6657 * print-rtl.c (print_rtx): Print value uid.
6658 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6660 (dv_uid): New function, sort of renamed from...
6661 (dv_htab_hash): ... this, reimplemented in terms of it and...
6662 (dv_uid2hash): ... this. New.
6663 (variable_htab_eq): Drop excess assertions.
6664 (tie_break_pointers): Removed.
6665 (canon_value_cmp): Compare uids.
6666 (variable_post_merge_New_vals): Print uids.
6667 (vt_add_function_parameters): Adjust.
6668 (vt_initialize): Reset table. Adjust.
6670 2010-02-03 Richard Guenther <rguenther@suse.de>
6672 PR tree-optimization/42944
6673 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6674 (call_may_clobber_ref_p_1): Likewise. Properly handle
6675 malloc and calloc clobbering errno.
6677 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6679 * doc/invoke.texi: Fix name of sched1 dump.
6681 * opts.c (decode_options): Set flag_tree_switch_conversion
6682 only conditionally on optimize >= 2.
6684 * gcse.c: Assorted comment fixes in pass description.
6686 2010-02-03 Anthony Green <green@moxielogic.com>
6688 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6689 nop padding in order to maintain alignment of storage location of
6690 target function address.
6691 (moxie_trampoline_init): Store target function address at newly
6693 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6695 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6697 2010-02-03 Richard Guenther <rguenther@suse.de>
6700 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6702 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6704 * config.gcc: Reenable check for obsolete targets.
6705 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6706 mips-sgi-irix6.[0-4]*.
6708 2010-02-02 Nick Clifton <nickc@redhat.com>
6710 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6711 constant size of 4 as being the same as 0.
6712 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6713 can take values in the range 0..4.
6715 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6718 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6719 as _darwin10_Unwind_FindEnclosingFunction().
6720 * libgcc-libsystem.ver: New.
6722 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6725 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6726 implicitly set registers.
6728 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6730 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6731 (arm_override_options): Allow automatic selection of the thread
6732 pointer register if thumb2.
6733 (legitimize_pic_address): Improve code sequences for Thumb2.
6734 (arm_call_tls_get_addr): Likewise.
6735 (legitimize_tls_address): Likewise.
6736 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6737 (pic_load_addr_32bit): ... this. New named pattern.
6738 * thumb2.md (pic_load_addr_thumb2): Delete.
6739 (pic_load_dot_plus_four): Delete.
6740 (tls_load_dot_plus_four): New named pattern.
6742 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6745 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6746 Document fix for TLS bug.
6748 2010-01-31 Richard Guenther <rguenther@suse.de>
6750 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6751 conservatively correct.
6753 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6757 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6759 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6761 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6765 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6767 * config.gcc: Adjust order of makefile fragments for mingw targets.
6769 2010-01-31 Richard Guenther <rguenther@suse.de>
6772 * gimplify.c (gimplify_init_constructor): For volatile LHS
6773 initialize a temporary.
6775 2010-01-31 Matthias Klose <doko@ubuntu.com>
6777 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6779 * configure: Regenerate.
6781 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6783 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6784 the same alias set and their sizes different constantness.
6785 (aliasing_component_refs_p): Revert 2009-10-24 change.
6787 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6789 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6792 2010-01-29 Richard Guenther <rguenther@suse.de>
6794 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6795 Assert we successfully updated the call.
6797 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6799 PR rtl-optimization/42889
6800 * df.h (df_set_bb_dirty_nonlr): New prototype.
6801 * df-core.c (df_set_bb_dirty_nonlr): New function.
6802 * df-scan.c (df_insn_rescan): Call it instead of
6803 df_set_bb_dirty for DEBUG_INSNs.
6805 2010-01-29 Richard Guenther <rguenther@suse.de>
6808 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6809 quadratic behavior in most cases.
6811 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6814 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6815 in the call to gen_x86_movsicc_0_m1.
6817 2010-01-28 Richard Guenther <rguenther@suse.de>
6819 PR tree-optimization/42871
6820 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6822 2010-01-28 Richard Guenther <rguenther@suse.de>
6824 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6825 into call arguments.
6827 2010-01-28 Richard Guenther <rguenther@suse.de>
6830 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6831 the forwarder if the destination is an EH landing pad.
6833 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6835 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6836 block list passed to gimple_duplicate_sese_tail.
6837 (parallelize_loops): Avoid parallelization when the function
6839 Avoid parallelization when the preheader is IRREDUCIBLE.
6840 Try to optimize when estimated_loop_iterations_int is unresolved.
6841 Add the loop's location to the dump file.
6842 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6843 (gimple_duplicate_sese_tail): Remove the check for the latch.
6844 Redirect nexits to the exit block.
6845 Remove handling of the incoming edges to the latch.
6846 Redirect the backedge from the copied latch to the exit bb.
6848 2010-01-28 Michael Matz <matz@suse.de>
6851 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6852 Wrap force_reg into a sequence, emit it before user.
6854 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6856 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6858 (arm_legacy_rev): Likewise.
6859 (thumb_legacy_rev): Likewise.
6861 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6863 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6864 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6865 on MEM's address failed, try avoid_constant_pool_reference and
6866 recurse if it returned something different.
6867 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6868 address, try avoid_constant_pool_reference and recurse if it
6869 returned something different.
6870 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6871 address and avoid_constant_pool_reference returned something
6872 different, don't set have_address.
6874 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6877 * var-tracking.c (val_store): Add modified argument, obey it.
6879 (count_uses): Move down logging of main.
6880 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6881 don't need resolution.
6882 (emit_notes_in_bb): Likewise.
6884 2010-01-27 Richard Guenther <rguenther@suse.de>
6887 * tree-inline.c (remap_decl): Delay remapping of SSA name
6888 default definitions until we need them.
6890 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6892 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6893 (rs6000_delegitimize_address): New function.
6895 * config/s390/s390.c (s390_delegitimize_address): Call
6896 delegitimize_mem_from_attrs.
6899 * tree-inline.c (cannot_copy_type_1): Removed.
6900 (copy_forbidden): Don't forbid copying of functions containing
6901 records/unions with variable length fields.
6903 2010-01-27 Christian Bruel <christian.bruel@st.com>
6907 * config/sh/sh.c (find_barrier): Increase length for non delayed
6908 conditional branches.
6910 2010-01-27 Matthias Klose <doko@ubuntu.com>
6912 * configure.ac (gnu-unique-object): Fix ldd version check.
6913 * configure: Regenerate.
6915 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6917 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6919 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6920 Test for HAVE_GNU_AS value.
6922 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6924 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6925 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6926 INT64_TYPE): Define.
6927 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6928 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6929 INT_LEAST64_TYPE): Define.
6930 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6931 UINT_LEAST64_TYPE): Define.
6932 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6933 INT_FAST64_TYPE): Define.
6934 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6935 UINT_FAST64_TYPE): Define.
6936 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6937 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6938 (SIG_ATOMIC_TYPE): Define.
6940 2010-01-26 Richard Guenther <rguenther@suse.de>
6942 * df-scan.c (df_scan_set_bb_info): Remove assert.
6943 (df_insn_rescan_debug_internal): Merge asserts.
6944 (df_install_ref): Likewise.
6945 (df_mark_reg): Use bitmap_set_range.
6946 (df_hard_reg_used_p): Remove assert.
6947 (df_hard_reg_used_count): Likewise.
6949 2010-01-26 Richard Guenther <rguenther@suse.de>
6951 PR rtl-optimization/42685
6952 * web.c (web_main): Ignore DEBUG_INSNs.
6954 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6956 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6958 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6959 Fix types of fndecl and arglist parameters.
6961 2010-01-26 Richard Guenther <rguenther@suse.de>
6964 * tree-eh.c (unsplit_eh): Skip debug insns.
6966 2010-01-26 Richard Guenther <rguenther@suse.de>
6968 PR tree-optimization/42250
6969 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6971 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6974 * omp-low.c (expand_omp_sections): Only use single_pred if
6975 l2_bb is single_pred_p.
6977 2010-01-25 Christian Bruel <christian.bruel@st.com>
6980 * config/sh/sh.c (find_barrier): Increase length for non delayed
6981 conditional branches.
6982 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6984 2010-01-24 David S. Miller <davem@davemloft.net>
6986 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6987 define if not using GAS.
6988 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6989 Likewise. Delete SECTION_MERGE code, which is only applicable
6992 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6995 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6996 mangling of va_list in system headers.
6998 2010-01-23 Toon Moene <toon@moene.org>
7000 * tree-predcom.c (combine_chains): Return NULL, not false.
7002 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7004 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7005 initialization of variable res to agree with return type.
7007 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7009 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7010 * tree-sra.c: Add include of expr.h.
7012 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7014 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7015 insert the debug stmt on the single non-EH edge from the stmt.
7017 2010-01-22 Richard Henderson <rth@redhat.com>
7020 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7021 the RHS until after generate_subtree_copies has insertted its
7022 code before the current statement.
7024 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7026 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7028 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7030 2010-01-21 Martin Jambor <mjambor@suse.cz>
7032 PR tree-optimization/42585
7033 * tree-sra.c (struct access): New field grp_total_scalarization.
7034 (dump_access): Dump the new field.
7035 (should_scalarize_away_bitmap): New variable.
7036 (cannot_scalarize_away_bitmap): Likewise.
7037 (sra_initialize): Allocate new bitmaps.
7038 (sra_deinitialize): Free new bitmaps.
7039 (create_access_1): New function.
7040 (create_access): Parts moved to create_access_1.
7041 (type_consists_of_records_p): New function.
7042 (completely_scalarize_record): Likewise.
7043 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7044 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7045 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7047 (analyze_all_variable_accesses): Completely scalarize small eligible
7050 2010-01-21 Martin Jambor <mjambor@suse.cz>
7052 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7054 2010-01-21 Andrew Haley <aph@redhat.com>
7056 * gcc.c (process_command): Move lang_specific_driver before
7057 setting cc_libexec_prefix.
7059 2010-01-21 Richard Guenther <rguenther@suse.de>
7062 * fold-const.c (negate_expr_p): Pretend only negative
7063 real constants are easily negatable.
7065 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7066 Jason Merrill <jason@redhat.com>
7068 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7069 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7070 * calls.c (initialize argument_information): Handle it.
7071 * c-common.c (handle_transparent_union_attribute): Use new name.
7072 * c-decl.c (finish_struct): Ditto.
7073 * c-typeck.c (type_lists_compatible_p): Ditto.
7074 (convert_for_assignment): Use new name and also handle record.
7075 * function.c (aggregate_value_p): Handle it.
7076 (pass_by_reference): Ditto.
7077 (assign_parm_data_types): Ditto.
7078 * print-tree.c (print_node): Ditto.
7079 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7080 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7081 * tree.c (first_field): New fn.
7083 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7086 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7087 even when linking statically, for now.
7089 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7092 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7093 without a cselib val.
7094 (count_uses): Accept MO_VAL_SET with no val on stores.
7095 (add_stores): Likewise.
7097 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7099 * var-tracking.c (check_value_val): Add a compile time assertion.
7100 (dv_is_decl_p): Simplify.
7101 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7102 gcc_assert if ENABLE_CHECKING.
7104 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7107 * var-tracking.c: Include tree-flow.h.
7108 (mem_dies_at_call): New.
7109 (dataflow_set_preserve_mem_locs): Use it.
7110 (dataflow_set_remove_mem_locs): Likewise.
7111 (dump_var): Renamed from dump_variable. Adjust all callers.
7112 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7113 * Makefile.in (var-tracking.o): Adjust deps.
7115 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7117 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7119 2010-01-20 Richard Guenther <rguenther@suse.de>
7121 PR tree-optimization/42717
7122 * tree-ssa-dce.c (get_live_post_dom): Remove.
7123 (forward_edge_to_pdom): Take an arbitrary edge to copy
7124 degenerate PHI args from.
7125 (remove_dead_stmt): Use the first post-dominator even if it
7126 does not contain live statements as redirection destination.
7128 2010-01-20 Richard Guenther <rguenther@suse.de>
7130 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7132 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7134 * sel-sched.c (create_speculation_check): Remove set but not used
7136 (try_transformation_cache): Remove set but not used variable ds.
7137 (calculate_privileged_insns): Remove set but not used variables
7138 cur_insn and min_spec_insn.
7139 (find_best_expr): Remove set but not used variable avail_n.
7140 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7142 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7144 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7145 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7148 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7151 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7152 cpu types. Add support for *-sse3 cpu types.
7153 (x86_64-*-*): Ditto.
7155 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7158 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7159 argument, call initializer_constant_valid_p_1 instead of
7160 initializer_constant_valid_p, pass CACHE to it, return NULL
7161 immediately if first call returns NULL.
7162 (initializer_constant_valid_p_1): New function.
7163 (initializer_constant_valid_p): Use it.
7165 2010-01-20 Thomas Quinot <quinot@adacore.com>
7167 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7169 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7171 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7172 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7173 (loc_list_from_tree): Don't handle unsigned division. Handle
7174 signed modulo using DW_OP_{over,over,div,mul,minus}.
7175 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7176 modulo instead of signed.
7178 2010-01-20 DJ Delorie <dj@redhat.com>
7180 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7182 (h8300_emit_stack_adjustment): Propogate it.
7184 (h8300_expand_prologue): Likewise.
7185 (h8300_expand_epilogue): Likewise.
7187 2010-01-19 Michael Matz <matz@suse.de>
7189 PR tree-optimization/41783
7190 * tree-data-ref.c (toplevel): Include flags.h.
7191 (dump_data_dependence_relation): Also dump the inputs if the
7192 result will be unknown.
7193 (split_constant_offset_1): Look through some conversions.
7194 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7195 the offset from last element is too large.
7196 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7197 (reassociate_to_the_same_stmt): Handle vector registers.
7198 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7200 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7201 wide_prolog_niters argument, emit widening instructions.
7202 (vect_do_peeling_for_alignment): Adjust caller, use widened
7203 variant of the iteration cound.
7204 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7206 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7209 * config/arm/neon-testgen.m (emit_automatics): New parameter
7210 features. Adjust for Fixed_return_reg feature.
7211 (test_intrinsic): Call emit_automatics with new feature.
7212 * config/arm/neon.ml: Update copyright years.
7213 (features): New Fixed_return_reg feature.
7214 (ops): Update feature for Vget_low.
7216 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7218 PR tree-optimization/42719
7219 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7223 * fwprop.c (all_uses_available_at): Return false if def_set dest
7224 is a REG that is used in def_insn.
7226 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7228 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7230 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7233 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7235 * target.h (struct gcc_target) <secondary_reload>: Change type
7236 of last argument to secondary_reload_info *.
7238 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7241 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7242 memory references with unaligned offsets. Remove CQImode handling.
7243 (unaligned_memory_operand): Return 1 for memory references with
7244 unaligned offsets. Remove CQImode handling.
7246 2010-01-18 Richard Guenther <rguenther@suse.de>
7249 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7252 2010-01-18 Richard Guenther <rguenther@suse.de>
7254 PR tree-optimization/42781
7255 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7256 restrict processing only if the original variable was artificial.
7258 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7260 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7261 find number of popped argument bytes.
7263 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7264 Fix the text that describes the return value for invalid insns.
7266 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7268 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7269 Clarify what 'cost of the -dependence' is. Fix quoting.
7271 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7272 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7274 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7276 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7277 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7279 2010-01-17 Richard Guenther <rguenther@suse.de>
7282 * function.c (split_complex_args): Take a VEC to modify.
7283 (assign_parms_augmented_arg_list): Build a VEC instead of
7284 a chain of PARM_DECLs.
7285 (assign_parms_unsplit_complex): Take a VEC of arguments.
7286 Do not fixup unmodified parms.
7287 (assign_parms): Deal with the VEC.
7288 (gimplify_parameters): Likewise.
7290 2010-01-17 Richard Guenther <rguenther@suse.de>
7292 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7293 node existence check.
7294 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7295 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7296 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7297 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7298 (gimple_execute_on_growing_pred): Likewise.
7300 2010-01-17 Richard Guenther <rguenther@suse.de>
7302 PR tree-optimization/42773
7303 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7304 (compute_antic_aux): Likewise.
7305 (compute_partial_antic_aux): Likewise.
7307 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7310 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7313 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7315 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7318 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7319 Fix markup for strict argument.
7321 (TARGET_SCHED_REORDER2): Fix argument types.
7323 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7324 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7326 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7327 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7329 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7332 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7333 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7334 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7335 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7336 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7338 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7340 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7342 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7343 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7345 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7347 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7350 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7352 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7353 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7355 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7357 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7359 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7360 referring to it. Fix language.
7362 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7364 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7366 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7368 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7370 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7371 '@var{stream}. Remove stray 'and'.
7373 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7375 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7377 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7379 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7380 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7382 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7383 Fix description of return value.
7384 Rename argument "sz" to "len."
7386 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7387 Clarify meaning of 'true' return value.
7389 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7391 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7392 rep_mode versus mode_rep.
7394 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7396 (TARGET_BUILTIN_DECL): Fix name.
7398 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7400 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7402 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7404 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7406 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7408 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7411 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7412 Rename argument tm_fn to md_fn.
7414 (TARGET_OPTION_PRINT): Fix argument list.
7416 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7419 * config/i386/i386.c (ix86_fixup_binary_operands):
7420 Revert FMA4 fixup of operands.
7422 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7425 * Makefile.in (write_entries_to_file, install-plugin):
7426 Use \012 instead of \n with tr.
7428 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7430 * configure.ac (HAVE_AS_REF): New C macro.
7431 * configure: Regenerate.
7432 * config.in: Likewise.
7433 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7435 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7438 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7440 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7442 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7444 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7446 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7448 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7450 (TARGET_BINDS_LOCAL_P): Fix argument type.
7452 (TARGET_ASM_FILE_END): Use prototype.
7454 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7456 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7458 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7460 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7462 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7463 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7465 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7466 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7468 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7469 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7470 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7471 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7473 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7475 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7477 (TARGET_INIT_BUILTINS): Use prototype.
7479 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7480 Put 'const char *' in braces. Fix parameter types.
7481 (TARGET_INVALID_CONVERSION): Fix parameter types.
7482 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7483 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7485 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7488 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7490 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7492 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7494 * doc/tm.texi (TARGET_HELP): Fix return type.
7496 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7497 in braces. Fix argument types.
7499 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7501 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7503 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7505 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7506 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7508 (TARGET_MANGLE_TYPE): Fix argument types.
7510 (TARGET_IRA_COVER_CLASSES): Use prototype.
7512 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7514 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7516 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7518 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7520 (TARGET_CALLEE_COPIES): Fix argument types.
7522 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7524 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7526 (TARGET_FUNCTION_VALUE): Fix argument types.
7528 (TARGET_RETURN_IN_MSB): Fix argument type.
7530 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7532 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7534 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7536 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7537 agree with return type.
7539 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7541 2010-01-15 Jing Yu <jingyu@google.com>
7543 PR rtl-optimization/42691
7544 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7545 a pseudo to a constant and are merged, and adjust comments.
7547 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7549 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7551 2010-01-15 Richard Guenther <rguenther@suse.de>
7554 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7555 labels of computed or non-local gotos to the destination.
7556 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7557 landing pad label is the first label.
7559 2010-01-15 Richard Guenther <rguenther@suse.de>
7561 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7563 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7566 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7567 to allow generation of the xssqrtdp instruction on power7.
7568 (sqrtdf2_fpr): Ditto.
7570 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7573 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7574 functions with noreturn attribute.
7577 * varasm.c (declare_weak): Add weak attribute to decl if it
7578 doesn't have one already.
7579 (assemble_external): Only add decls to weak_decls if they also
7580 have weak attribute.
7582 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7584 * var-tracking.c (var_reg_delete): Don't delete the association
7585 between REGs and values or one-part variables if the register
7588 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7591 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7592 because its first operand is a non-localized variable.
7594 2010-01-14 Martin Jambor <mjambor@suse.cz>
7596 PR tree-optimization/42706
7597 * tree-sra.c (encountered_recursive_call): New variable.
7598 (encountered_unchangable_recursive_call): Likewise.
7599 (sra_initialize): Initialize both new variables.
7600 (callsite_has_enough_arguments_p): New function.
7601 (scan_function): Call decl and flags check only for IPA-SRA, check
7602 whether there is a recursive call and whether it has enough arguments.
7603 (all_callers_have_enough_arguments_p): New function.
7604 (convert_callers): Look for recursive calls only when
7605 encountered_recursive_call is set.
7606 (ipa_early_sra): Bail out either if
7607 !all_callers_have_enough_arguments_p or
7608 encountered_unchangable_recursive_call.
7610 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7612 * sel-sched.c: Add 2010 to copyright years.
7613 * sel-sched-ir.c: Likewise.
7614 * sel-sched-ir.h: Likewise.
7616 2010-01-14 Martin Jambor <mjambor@suse.cz>
7618 PR tree-optimization/42714
7619 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7620 constructors specially.
7622 2010-01-14 Andi Kleen <ak@linux.intel.com>
7624 * config/i386/drivers-i386.c (detect_caches_intel):
7625 Add l2sizekb parameter and fill in.
7626 (host_detect_local_cpu): Add l2sizekb, fill in.
7627 Add Atom small cache heuristic.
7629 2010-01-14 Andi Kleen <ak@linux.intel.com>
7631 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7632 Add level3 parameter and fill in.
7633 (detect_caches_intel): Handle level3 cache.
7635 2010-01-14 Andi Kleen <ak@linux.intel.com>
7637 * config/i386/drivers-i386.c (host_detect_local_cpu):
7638 Fix core duo detection.
7640 2010-01-14 Andi Kleen <ak@linux.intel.com>
7642 * config/i386/drivers-i386.c (host_detect_local_cpu):
7645 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7647 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7648 (rs6000_variable_issue_1): this. Use...
7649 (rs6000_variable_issue): here. Reimplement. Print debug info.
7651 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7653 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7654 sel_restore_notes. Update all callers. Call reemit_notes
7657 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7659 PR rtl-optimization/42246
7660 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7663 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7665 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7666 all successors is the same as number of successors in current region.
7668 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7670 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7671 to rename is not separable. Otherwise check that its LHS is not NULL.
7673 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7675 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7677 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7679 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7680 available registers when failed to discover LHS register class.
7681 Fix indentation. Update comment.
7683 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7684 Alexander Monakov <amonakov@ispras.ru>
7686 PR rtl-optimization/42389
7687 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7689 (advance_state_on_fence): Likewise.
7690 (sel_target_adjust_priority): Print debug output only when
7691 sched_verbose >= 4, not 2.
7692 (get_expr_cost): Do not issue all unique insns on the next cycle.
7693 (fill_insns): Initialize can_issue_more from the value saved
7695 * sel-sched-ir.c (flist_add): New parameter issue_more.
7696 Init FENCE_ISSUE_MORE with it.
7697 (merge_fences): Likewise.
7698 (init_fences): Update call to flist_add.
7699 (add_to_fences, add_clean_fence_to_fences)
7700 (add_dirty_fence_to_fences): Likewise.
7701 (move_fence_to_fences): Update call to merge_fences.
7702 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7704 * sel-sched-ir.h (struct _fence): New field issue_more.
7705 (FENCE_ISSUE_MORE): New accessor macro.
7707 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7709 PR rtl-optimization/42388
7710 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7711 that have no predecessors nor successors. Do not call move_bb_info
7712 for empty blocks outside of current region.
7714 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7716 PR rtl-optimization/42294
7717 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7718 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7719 originators' originators.
7721 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7723 PR rtl-optimization/39453
7724 PR rtl-optimization/42246
7725 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7727 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7729 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7730 Alexander Monakov <amonakov@ispras.ru>
7733 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7734 (maybe_tidy_empty_bb): ... here. Make static. Add new
7735 argument. Update all callers.
7736 (tidy_control_flow): ... and here. Recompute topological order
7737 of basic blocks in region if necessary.
7738 (sel_redirect_edge_and_branch): Change return type. Return true
7739 if topological order might have been invalidated.
7740 (purge_empty_blocks): Export and move from...
7741 * sel-sched.c (purge_empty_blocks): ... here.
7742 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7743 (maybe_tidy_empty_bb): Delete prototype.
7744 (purge_empty_blocks): Declare.
7746 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7748 PR rtl-optimization/42249
7749 * sel-sched.c (try_replace_dest_reg): When chosen register
7750 and original register is the same, do not bail out early, but
7751 still check all original insns for validity of replacing destination
7752 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7755 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7758 Port from no-undefined-overflow branch:
7759 2009-03-09 Richard Guenther <rguenther@suse.de>
7761 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7763 2010-01-14 Richard Guenther <rguenther@suse.de>
7766 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7768 2010-01-14 Ira Rosen <irar@il.ibm.com>
7770 PR tree-optimization/42709
7771 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7772 as scalar type in creation of constant vector operand.
7774 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7777 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7778 (check-parallel-%): Match `testsuite' directory component only
7781 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7783 PR translation/39521
7784 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7787 2010-01-13 Richard Guenther <rguenther@suse.de>
7789 PR tree-optimization/42730
7790 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7793 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7796 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7797 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7800 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7802 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7803 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7804 ___umulsi3_highpart.
7806 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7807 rather than schedule_insns if the pass is enabled.
7809 2010-01-13 Martin Jambor <mjambor@suse.cz>
7811 PR tree-optimization/42704
7812 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7815 2010-01-13 Martin Jambor <mjambor@suse.cz>
7817 PR tree-optimization/42703
7818 * tree-sra.c (analyze_access_subtree): Check that we can build a
7819 reference to the original data within the aggregate.
7821 2010-01-13 Richard Guenther <rguenther@suse.de>
7823 PR tree-optimization/42705
7824 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7826 2010-01-13 Richard Guenther <rguenther@suse.de>
7829 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7831 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7834 * var-tracking.c (values_to_unmark): New variable.
7835 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7836 values_to_unmark vector. Moved body to...
7837 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7838 instead queue it into values_to_unmark vector.
7839 (vt_find_locations): Free values_to_unmark vector.
7841 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7843 * config/s390/s390.c (override_options): Set
7844 default of max-pending-list-length to 256
7846 2010-01-13 Richard Guenther <rguenther@suse.de>
7849 * tree-pass.h (PROP_gimple_lcx): New.
7850 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7851 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7852 before the final cleanup_eh.
7853 (dump_properties): Dump PROP_gimple_lcx.
7854 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7855 (tree_lower_complex_O0): Remove.
7856 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7857 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7858 tree_lower_complex, schedule TODO_update_ssa.
7859 * lto-streamer-out.c (output_function): Stream the functions
7861 * lto-streamer-in.c (input_function): Likewise.
7862 (lto_read_body): Do not override them here.
7864 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7867 * c-typeck.c (build_c_cast): Fold value cast to union type before
7868 wrapping it in a CONSTRUCTOR.
7870 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7872 PR rtl-optimization/42699
7873 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7876 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7878 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7879 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7880 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7881 SUBTARGET_WARN_UNUSED_SPEC): ... here
7882 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7884 2010-01-12 Julian Brown <julian@codesourcery.com>
7886 * config/arm/neon-schedgen.ml (Utils): Don't try to
7887 open missing module.
7888 (find_with_result): New.
7890 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7893 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7894 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7896 PR tree-optimization/42645
7897 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7898 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7899 decl_map, set processing_debug_stmt to -1 and return name without
7902 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7904 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7905 binutils version, and reword target configuration description.
7907 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7909 * config/avr/avr.h (LINKER_NAME): Remove.
7911 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7914 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7915 that support VSX, warn for -mno-altivec if vsx is not disabled,
7918 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7919 Shujing Zhao <pearly.zhao@oracle.com>
7921 PR translation/42469
7922 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7923 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7924 character between option name and help text.
7925 * c.opt (imultilib): Likewise.
7927 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7929 * lto-streamer-out.c (output_unreferenced_globals): Output static
7932 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7934 PR rtl-optimization/42621
7935 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7936 optimizing for size.
7937 (duplicate_computed_gotos): Remove now-redundant check.
7939 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7942 * configure.ac: Save and restore LDFLAGS and LIBS
7943 * configure: Regenerate.
7945 2010-01-10 Richard Guenther <rguenther@suse.de>
7948 * builtins.c (fold_builtin_strlen): Add type argument and
7949 convert the resulting length to it.
7950 (fold_builtin_1): Adjust.
7952 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7954 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7955 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7957 (num_insns_constant_wide): Adjust for that change.
7959 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7962 * web.c (union_defs): Add used argument, to combine uses of
7964 (entry_register): Adjust type and tests of used argument.
7965 (web_main): Widen used for new use. Pass it to union_defs.
7966 * df.h (union_defs): Adjust prototype.
7968 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7971 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7972 uses in new incoming argument. Free body.
7973 (reset_debug_uses_in_loop): New.
7974 (analyze_insn_to_expand_var): Call the latter if the former found
7975 anything. Fix whitespace. Reject invalid dest overlaps before
7976 going through all insns in the loop.
7978 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7981 * haifa-sched.c (dying_use_p): Debug insns don't count.
7983 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7986 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7987 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7988 (verify_gimple_call): Reject LHS in noreturn calls.
7990 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7994 * tree-vect-loop-manip.c (adjust_info): New type.
7995 (adjust_vec): New pointer to vector.
7996 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7997 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7998 (slpeel_update_phis_for_duplicate_loop): Use them.
7999 (slpeel_update_phi_nodes_for_guard1): Likewise.
8000 (slpeel_update_phi_nodes_for_guard2): Likewise.
8001 (slpeel_tree_peel_loop_to_edge): Likewise.
8002 (vect_update_ivs_after_vectorizer): Likewise.
8004 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8006 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8007 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8009 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8011 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8012 bogus uninitialized warning.
8014 2010-01-09 Richard Guenther <rguenther@suse.de>
8017 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8018 the evolution is compatible with the initial condition.
8020 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8022 * gcc.c (process_command): Update copyright notice dates.
8023 * gcov.c (print_version): Likewise.
8024 * gcov-dump.c (print_version): Likewise.
8025 * mips-tfile.c (main): Likewise.
8026 * mips-tdump.c (main): Likewise.
8028 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8031 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8033 (rotlhi3_8): Delete.
8035 (rotlsi3_8): Delete.
8036 (rotlsi3_16): Delete.
8037 (rotlsi3_24): Delete.
8039 (*rotw<mode>3): New.
8040 (*rotb<mode>3): New.
8041 * config/avr/avr.c (avr_rotate_bytes): New function.
8042 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8044 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8047 * configure.ac: Modify -rdynamic check.
8048 * configure: Regenerate.
8050 2010-01-08 DJ Delorie <dj@redhat.com>
8052 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8053 register popping order.
8055 2010-01-08 Richard Guenther <rguenther@suse.de>
8058 * c.opt (fsigned-char): Also let LTO handle this option.
8059 (funsigned-char): Likewise.
8061 2010-01-07 Richard Guenther <rguenther@suse.de>
8063 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8064 (gimple_op): Likewise.
8065 (gimple_op_ptr): Likewise.
8066 (gimple_assign_set_lhs): Remove gcc_assert.
8067 (gimple_assign_set_rhs1): Likewise.
8068 (gimple_assign_set_rhs2): Likewise.
8069 (gimple_call_set_lhs): Likewise.
8070 (gimple_call_set_fn): Likewise.
8071 (gimple_call_set_fndecl): Likewise.
8072 (gimple_call_fndecl): Likewise.
8073 (gimple_call_return_type): Likewise.
8074 (gimple_call_set_chain): Likewise.
8075 (gimple_call_num_args): Likewise.
8076 (gimple_call_set_arg): Likewise.
8077 (gimple_cond_set_code): Likewise.
8078 (gimple_cond_set_lhs): Likewise.
8079 (gimple_cond_set_rhs): Likewise.
8080 (gimple_cond_set_true_label): Likewise.
8081 (gimple_cond_set_false_label): Likewise.
8082 (gimple_label_set_label): Likewise.
8083 (gimple_goto_set_dest): Likewise.
8084 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8085 (gimple_debug_bind_get_value): Likewise.
8086 (gimple_debug_bind_get_value_ptr): Likewise.
8087 (gimple_debug_bind_set_var): Likewise.
8088 (gimple_debug_bind_set_value): Likewise.
8089 (gimple_debug_bind_reset_value): Likewise.
8090 (gimple_debug_bind_has_value_p): Likewise.
8091 (gimple_return_retval_ptr): Remove gcc_assert.
8092 (gimple_return_retval): Likewise.
8093 (gimple_return_set_retval): Likewise.
8094 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8095 (safe_referenced_var_iterator): Remove.
8096 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8097 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8098 (fill_referenced_var_vec): Remove.
8099 (first_readonly_imm_use): Remove redundant gcc_assert.
8100 (phi_arg_index_from_use): Combine gcc_asserts.
8101 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8102 (first_imm_use_stmt): Remove redundant gcc_assert.
8103 * tree-cfg.c (verify_gimple_call): Verify function and chain
8104 operands. Verify arguments.
8105 (verify_types_in_gimple_stmt): Verify condition code and labels.
8107 2010-01-07 Richard Guenther <rguenther@suse.de>
8109 PR tree-optimization/42641
8110 * sese.c (rename_map_elt_info): Use the SSA name version, do
8113 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8115 PR tree-optimization/42625
8116 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8117 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8119 2010-01-07 Duncan Sands <baldrick@free.fr>
8121 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8123 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8126 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8127 note itself is not function_invariant_p.
8129 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8131 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8132 Do not add the DF_NOTE problem.
8133 * store-motion.c (execute_rtl_store_motion): Likewise.
8135 2010-01-07 Martin Jambor <mjambor@suse.cz>
8137 PR tree-optimization/42157
8138 * tree-sra.c (compare_access_positions): Stabilize sort if both
8139 accesses have integer types, return zero immediately if they are the
8142 2010-01-06 Richard Henderson <rth@redhat.com>
8145 * haifa-sched.c (add_to_note_list): Merge into ...
8146 (concat_note_lists): ... here, and ...
8147 (unlink_other_notes, rm_other_notes): Merge into...
8148 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8149 NOTE_INSN_EPILOGUE_BEG.
8151 2010-01-06 Richard Guenther <rguenther@suse.de>
8153 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8154 not inline regular functions into always-inline functions.
8156 2010-01-06 Nick Clifton <nickc@redhat.com>
8158 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8159 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8161 (OVERRIDE_OPTIONS): Delete.
8162 (OPTIMIZATION_OPTIONS): Define.
8163 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8164 * config/rx/rx.c (rx_handle_option): Issue an error message if
8165 -mcpu=rx200 and -fpu are used together.
8166 (rx_set_optimization_options): New function. Issue an error
8167 message if an optimization attribute attempts to reset the FPU/
8168 math optimization pairing.
8169 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8170 * config/rx/rx.opt: Set the default to 32-bit doubles.
8171 * config/rx/t-rx: Add multilibs for -nofpu option.
8172 * doc/invoke.texi: Update documentation of RX options.
8174 2010-01-06 Richard Guenther <rguenther@suse.de>
8176 * tree-ssa-pre.c (name_to_id): New global.
8177 (alloc_expression_id): Simplify SSA name handling.
8178 (lookup_expression_id): Likewise.
8179 (init_pre): Zero name_to_id.
8180 (fini_pre): Free it.
8182 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8184 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8186 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8189 * config/i386/sse.md (smaxv2di3): New.
8190 (umaxv2di3): Likewise.
8191 (sminv2di3): Likewise.
8192 (uminv2di3): Likewise.
8194 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8197 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8198 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8199 (legitimize_tls_address): Likewise.
8200 (sparc_tls_referenced_p): Likewise.
8201 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8202 and adjust calls to legitimize_pic_address.
8203 (legitimate_constant_p) Use sparc_tls_referenced_p.
8204 (legitimate_pic_operand_p): Likewise.
8205 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8206 (sparc_tls_symbol_ref_1): Delete.
8207 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8208 (legitimize_tls_address): Make static, handle CONST patterns.
8209 (legitimize_pic_address): Make static, remove unused parameter and
8210 adjust recursive calls.
8211 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8212 and adjust call to legitimize_pic_address.
8213 (sparc_output_mi_thunk): Likewise.
8215 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8216 H.J. Lu <hongjiu.lu@intel.com>
8219 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8220 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8221 operands to make them signed.
8224 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8227 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8228 GTU to GT for V4SI and V2DI.
8230 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8231 (umin<mode>3): Removed.
8233 (uminv4si3): Likewise.
8235 2010-01-05 Martin Jambor <mjambor@suse.cz>
8237 PR tree-optimization/42462
8238 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8239 current_function_decl to helper functions and macros.
8241 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8244 * flags.h: Don't include real.h.
8245 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8246 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8247 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8248 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8249 * dominance.c: Update copyright.
8250 * gimple.c (walk_gimple_op): Remove inline.
8251 * tree-ssa-reassoc.c: Include real.h.
8252 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8253 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8255 2010-01-05 Nick Clifton <nickc@redhat.com>
8257 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8258 register to push into the stack frame when the accumulator has to
8259 be saved during interrupts.
8261 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8263 * doc/invoke.texi: Remove the documentation about option
8265 * common.opt (Wunreachable-code): Preserved for backward
8267 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8268 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8269 the backward compatibility flag section.
8271 2010-01-05 Richard Guenther <rguenther@suse.de>
8273 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8275 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8278 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8280 PR tree-optimization/42508
8281 * tree-sra.c (convert_callers): Check for recursive call
8282 by comparing cgraph nodes instead of decls.
8283 (modify_function): Call ipa_modify_formal_parameters also
8284 on all same_body aliases.
8286 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8287 cgraph nodes when checking for same_body aliases.
8289 2010-01-05 Richard Guenther <rguenther@suse.de>
8291 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8292 allocation and lookup.
8293 (get_or_alloc_expr_for_constant): Likewise.
8294 (phi_translate): Sink allocation.
8296 2010-01-04 Richard Guenther <rguenther@suse.de>
8298 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8299 a new entry only if needed.
8300 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8301 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8303 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8305 (phi_translate): Handle CONSTANTs early.
8307 2010-01-04 Martin Jambor <mjambor@suse.cz>
8309 PR tree-optimization/42398
8310 * tree-sra.c (struct access): Removed flag grp_different_types.
8311 (dump_access): Do not dump the removed flag.
8312 (sort_and_splice_var_accesses): Do not set the removed flag.
8313 (sra_modify_expr): Check for type compatibility directly.
8315 2010-01-04 Martin Jambor <mjambor@suse.cz>
8317 PR tree-optimization/42366
8318 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8319 edges with variable number of parameters.
8320 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8321 flag instead of asserting it.
8322 (ipa_read_node_info): Read uses_analysis_done flag.
8324 2010-01-04 Richard Guenther <rguenther@suse.de>
8326 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8327 iterative_hash_* as intended.
8328 (vn_reference_compute_hash): Likewise. Simplify hashing
8330 (vn_reference_lookup_2): Likewise.
8331 (vn_nary_op_compute_hash): Likewise.
8332 (vn_phi_compute_hash): Likewise.
8333 (expressions_equal_p): Remove strange code.
8334 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8335 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8336 (bitmap_insert_into_set_1): Take value-id as parameter.
8337 (add_to_value): Pass it.
8338 (bitmap_insert_into_set): Likewise.
8339 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8341 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8344 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8345 (do_self_spec): For switches with SWITCH_IGNORE set set also
8346 SWITCH_IGNORE_PERMANENTLY.
8347 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8350 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8352 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8353 tree of an unreferenced global var.
8355 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8358 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8359 GTU to GT for V4SI and V2DI.
8361 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8362 (umin<mode>3): Removed.
8364 (uminv4si3): Likewise.
8366 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8369 * collect2.c (main): Turn on trace in collect2 if -v is passed
8372 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8374 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8375 description of expression operand.
8377 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8379 * configure.ac: Add install-html to target_list for Make-hooks.
8380 * configure: Regenerate.
8381 * fortran/Make-lang.in (F95_HTMLFILES): New.
8382 (fortran.html): Use it.
8383 (fortran.install-html): New.
8384 * Makefile.in (install-html): Add lang.install-html.
8385 * java/Make-lang.in (JAVA_HTMLFILES): New.
8386 (java.html): Use it.
8387 (java.install-html): New.
8388 * objc/Make-lang.in (objc.install-html): New.
8389 * objcp/Make-lang.in (obj-c++.install-html): New.
8390 * cp/Make-lang.in (c++.install-html): New.
8391 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8392 * lto/Make-lang.in (lto.install-html): New.
8394 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8397 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8399 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8401 PR rtl-optimization/41862
8402 * store-motion.c (store_killed_in_insn, compute_store_table,
8403 remove_reachable_equiv_notes, replace_store_insn,
8404 build_store_vectors): Ignore all DEBUG_INSNs.
8406 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8409 * common.opt: Add dumpdir.
8411 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8413 (option_map): Add --dumpdir.
8415 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8417 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8419 * opts.c (decode_options): Try dump_dir_name first if
8420 dump_base_name isn't an absolute path.
8421 (common_handle_option): Handle OPT_dumpdir.
8423 * toplev.c (dump_dir_name): New.
8424 (print_switch_values): Also ignore -dumpdir.
8426 * toplev.h (dump_dir_name): New.
8428 2010-01-03 Richard Guenther <rguenther@suse.de>
8430 PR tree-optimization/42589
8431 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8432 double-word expansion of bswap32.
8434 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8436 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8437 with BLOCK_FOR_INSN.
8438 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8439 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8440 noce_process_if_block): Likewise.
8441 * gcse.c (compute_local_properties, insert_expr_in_table,
8442 insert_set_in_table, canon_list_insert, find_avail_set,
8443 pre_insert_copy_insn): Likewise.
8445 * basic-block.h (BLOCK_NUM): Move from here...
8446 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8448 2010-01-03 Richard Guenther <rguenther@suse.de>
8450 PR tree-optimization/42438
8451 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8452 contains_may_not_return_call flag.
8453 (BB_MAY_NOTRETURN): New.
8454 (valid_in_sets): Trapping nary operations are not valid
8455 in blocks that may not return.
8456 (insert_into_preds_of_block): Remove check for trapping expressions.
8457 (compute_avail): Compute also BB_MAY_NOTRETURN.
8459 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8461 * doc/invoke.texi: Add 2010 to copyright years.
8463 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8465 * config/sparc/sparc.c: Fix formatting nits.
8467 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8468 Alexander Monakov <amonakov@ispras.ru>
8470 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8472 2010-01-02 Richard Guenther <rguenther@suse.de>
8475 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8476 (simplify_switch_using_ranges): Mark to be removed edges
8479 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8481 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8483 * collect2.c (scan_libraries): Add missing argument in call to
8486 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8489 * config/alpha/predicates.md (aligned_memory_operand): Return false
8491 (unaligned_memory_operand): Return true for CQImode.
8492 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8493 doesn not cross aligned SImode word boundary.
8495 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8497 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8499 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8500 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8502 2010-01-02 Richard Guenther <rguenther@suse.de>
8505 * toplev.c (compile_file): Emit LTO marker properly. Change
8507 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8509 2010-01-01 Richard Guenther <rguenther@suse.de>
8512 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8514 2010-01-01 Richard Guenther <rguenther@suse.de>
8517 * c-decl.c (grokdeclarator): For zero-size arrays force
8518 structural equality checks as layout_type does.
8520 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8522 * builtins.c: Update copyright to 2010.
8524 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8527 * lto-streamer-out.c (produce_asm): Revert the last change.
8528 (copy_function): Likewise.
8530 * lto-streamer.c (lto_get_section_name): Skip any leading
8533 2010-01-01 Richard Guenther <rguenther@suse.de>
8536 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8540 Copyright (C) 2010 Free Software Foundation, Inc.
8542 Copying and distribution of this file, with or without modification,
8543 are permitted in any medium without royalty provided the copyright
8544 notice and this notice are preserved.