1 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
5 is smaller than the original promoted value.
6 (simplify_subreg): If OP is a SUBREG, try to preserve its
7 SUBREG_PROMOTED_VAR_P information.
9 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
12 (VN_INFO_GET): Allocate new objects on the obstack.
13 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
14 for rpo_numbers_temp, for consistency.
15 (free_scc_vn): Free the obstack.
17 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
19 * doc/invoke.texi: Document -ftree-loop-distribution.
20 * tree-loop-distribution.c: New.
21 * tree-pass.h (pass_loop_distribution): New.
22 * graphds.h (struct graph): Add htab_t indices.
23 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
24 * tree-vectorizer.c (rename_variables_in_loop): Extern.
25 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
26 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
27 * tree-data-ref.c (debug_data_dependence_relations): New.
28 (dump_data_dependence_relation): Also print data references.
29 (free_data_ref): Extern.
30 (same_access_functions): Moved...
31 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
32 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
33 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
34 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
35 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
36 (stmts_from_loop): Skip LABEL_EXPR.
37 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
38 (build_rdg): Initialize rdg->indices htab.
39 (free_rdg, stores_from_loop, ref_base_address,
40 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
41 have_similar_memory_accesses_1, ref_base_address_1,
42 remove_similar_memory_refs): New.
43 * tree-data-ref.h: Depend on tree-chrec.h.
44 (debug_data_dependence_relations, free_data_ref): Declared.
45 (same_access_functions): ... here.
46 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
47 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
48 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
49 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
50 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
51 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
52 rdg_vertex_for_stmt): Declared.
53 (struct rdg_edge): Add level.
55 (free_rdg, stores_from_loop, remove_similar_memory_refs,
56 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
57 (rdg_has_similar_memory_accesses): New.
58 * tree-vect-analyze.c: Remove unused static decls.
59 * lambda.h (dependence_level): New.
60 * common.opt (ftree-loop-distribution): New.
61 * tree-flow.h (mark_virtual_ops_in_bb,
62 slpeel_tree_duplicate_loop_to_edge_cfg,
63 rename_variables_in_loop): Declared.
64 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
65 (OBJS-common): Add tree-loop-distribution.o.
66 (tree-loop-distribution.o): New rule.
67 * tree-cfg.c (mark_virtual_ops_in_bb): New.
68 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
69 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
71 2008-02-28 Joseph Myers <joseph@codesourcery.com>
74 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
75 other than structures and unions.
77 2008-02-28 Richard Guenther <rguenther@suse.de>
80 2008-02-26 Richard Guenther <rguenther@suse.de>
82 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
83 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
84 (lookup_decl_from_uid): Declare.
85 (remove_decl_from_map): Likewise.
86 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
87 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
88 (decl_for_uid_map): New global hashtable mapping DECL_UID
90 (init_ttree): Allocate it.
91 (insert_decl_to_uid_decl_map): New helper function.
92 (make_node_stat): Insert new decls into the map.
93 (copy_node_stat): Likewise.
94 (lookup_decl_from_uid): New function.
95 (remove_decl_from_map): Likewise.
96 (print_decl_for_uid_map_statistics): New helper.
97 (dump_tree_statistics): Call it.
99 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
100 (referenced_var_iterator): Adjust.
101 (FOR_EACH_REFERENCED_VAR): Adjust.
102 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
103 (num_referenced_vars): Adjust.
104 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
105 (first_referenced_var): Remove.
106 (end_referenced_vars_p): Likewise.
107 (next_referenced_var): Likewise.
108 (referenced_var_iterator_set): New helper function.
109 * tree-dfa.c (referenced_var_lookup): Adjust.
110 (referenced_var_check_and_insert): Likewise.
111 (remove_referenced_var): Likewise.
112 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
113 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
114 (verify_call_clobbering): Likewise.
115 (verify_memory_partitions): Likewise.
116 (init_tree_ssa): Allocate bitmap instead of hashtable for
118 (delete_tree_ssa): Adjust.
119 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
120 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
121 (compute_tag_properties): Likewise.
122 (set_initial_properties): Likewise.
123 (find_partition_for): Likewise.
124 (update_reference_counts): Likewise.
125 (dump_may_aliases_for): Likewise.
126 * tree-ssa-operands.c (add_virtual_operand): Likewise.
127 (add_call_clobber_ops): Likewise.
128 (add_call_read_ops): Likewise.
129 (get_asm_expr_operands): Likewise.
130 * tree-into-ssa.c (dump_decl_set): Likewise.
131 (update_ssa): Likewise.
132 * tree-sra.c (scan_function): Likewise.
133 (decide_instantiations): Likewise.
134 (scalarize_parms): Likewise.
135 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
136 (dsa_named_for): Likewise.
137 * tree-ssa-structalias.c (update_alias_info): Likewise.
138 (merge_smts_into): Likewise.
140 2008-02-27 David Daney <ddaney@avtrex.com>
143 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
144 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
145 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
146 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
147 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
149 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
152 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
153 (BUILT_IN_NEXTTOWARD): Remove.
154 (BUILT_IN_NEXTTOWARDF): Ditto.
155 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
156 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
158 2008-02-27 Tom Tromey <tromey@redhat.com>
160 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
161 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
163 2008-02-27 Jan Beulich <jbeulich@novell.com>
165 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
166 update the respective field on newdecl.
168 2008-02-27 Revital Eres <eres@il.ibm.com>
170 PR rtl-optimization/34999
171 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
172 crossing edges that ends with a call insn.
173 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
174 call insn and clear the EDGE_CROSSING flag of the crossing edge
175 when fixing fallthru edges.
177 2008-02-27 Richard Guenther <rguenther@suse.de>
180 * fold-const.c (fold_unary): Return the correct argument,
181 converted to the result type.
183 2008-02-27 Richard Guenther <rguenther@suse.de>
186 * expr.c (expand_expr_real_1): Assert on rotates that operate
188 * fold-const.c (fold_binary): Use the types precision, not the
189 bitsize of the mode if folding rotate expressions. Build rotates
192 2008-02-27 Jakub Jelinek <jakub@redhat.com>
194 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
196 * c-pragma.c (pragma_ns_name): New typedef.
197 (registered_pp_pragmas): New variable.
198 (c_pp_lookup_pragma): New function.
199 (c_register_pragma_1): If flag_preprocess_only, do nothing
200 for non-expanded pragmas, for expanded ones push pragma's
201 namespace and name into registered_pp_pragmas vector.
202 (c_invoke_pragma_handler): Register OpenMP pragmas even when
203 flag_preprocess_only, don't register GCC pch_preprocess
204 pragma if flag_preprocess_only.
205 * c-opts.c (c_common_init): Call init_pragma even if
206 flag_preprocess_only.
207 * c-pragma.c (c_pp_lookup_pragma): New prototype.
208 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
209 cpp_register_pragma if flag_preprocess_only.
211 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
214 * c-parser.c (c_parser_translation_unit): Warn for empty
215 translation unit, not empty source file.
217 2008-02-26 Paul Brook <paul@codesourcery.com>
219 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
221 * config/arm/arm.h (reg_class): Add CORE_REGS.
222 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
223 (BASE_REG_CLASS): Use CORE_REGS.
224 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
225 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
226 (REGNO_OK_FOR_INDEX_P): Exclude SP.
227 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
228 ARM_REGNO_OK_FOR_INDEX_P.
229 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
230 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
231 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
232 (ldm/stm peepholes): Ditto.
233 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
234 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
235 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
236 * config/arm/constraints.md: Enable "k" constraint on ARM.
238 2008-02-27 Ben Elliston <bje@au.ibm.com>
240 * config/rs6000/rs6000.c: Annotate cache line size field in all
241 instances of struct processor_costs.
243 2008-02-26 David Edelsohn <edelsohn@gnu.org>
245 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
246 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
247 jump_bypass): New counters.
248 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
249 * dce.c (gate_ud_dce): Same.
250 (gate_fast_dce): Same.
251 * dse.c (gate_dse1): New function.
252 (gate_dse2): New function.
253 (gate_dse): Merge results of new gate functions.
254 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
255 (gate_handle_jump_bypass): Add dbg_cnt.
256 (gate_handle_gcse): Add dbg_cnt.
257 * ifcvt.c (gate_handle_if_conversion): Same.
258 (gate_handle_if_after_combine): Same.
259 (gate_handle_if_after_reload): Same.
260 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
262 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
264 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
266 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
268 2008-02-26 Jason Merrill <jason@redhat.com>
271 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
272 alone if it's the naming decl for the type's main variant.
274 2008-02-26 Tom Tromey <tromey@redhat.com>
276 * system.h (USE_MAPPED_LOCATION): Poison.
277 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
278 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
279 (make_goto_expr_edges): Likewise.
280 (remove_bb): Likewise.
281 (execute_warn_function_return): Likewise.
282 * basic-block.h (struct edge_def) <goto_locus>: Change type to
284 * c-common.c (fname_decl): Remove old location code.
285 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
287 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
289 (ASM_INPUT_SOURCE_LOCATION): Likewise.
290 (gen_rtx_ASM_INPUT): Likewise.
291 (gen_rtx_ASM_INPUT_loc): Likewise.
292 (get_rtx_asm_OPERANDS): Remove.
293 * cfglayout.c (insn_locators_alloc): Remove old location code.
294 (set_curr_insn_source_location): Likewise.
295 (curr_insn_locator): Likewise.
296 * print-tree.c (print_node): Remove old location code.
297 * tree-mudflap.c (mf_varname_tree): Remove old location code.
298 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
299 * cfgexpand.c (expand_gimple_cond_expr): Don't use
301 (construct_exit_block): Remove old location code.
302 * emit-rtl.c (force_next_line_note): Remove old location code.
303 * profile.c (branch_prob): Remove old location code.
304 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
305 LOC_LINE): Remove old-location variants.
306 * langhooks.c (lhd_print_error_function): Remove old location
308 * configure, config.in: Rebuilt.
309 * configure.ac (--enable-mapped-location): Remove.
310 * c-decl.c (c_init_decl_processing): Remove old location code.
311 (finish_function): Likewise.
312 * recog.c (decode_asm_operands): Remove old location code.
313 * c-pch.c (c_common_read_pch): Remove old location code.
314 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
316 * gimple-low.c (lower_function_body): Remove old location code.
317 * toplev.c (unknown_location): Remove.
318 (push_srcloc): Remove old-location variant.
319 (process_options): Remove old location code.
320 (lang_dependent_init): Likewise.
321 * input.h (UNKNOWN_LOCATION): Move definition.
322 (location_t): Undeprecate.
323 (source_locus): Remove.
324 (location_from_locus): Remove.
325 (struct location_s): Remove.
326 Remove all old-location code.
327 (input_line, input_filename): Remove.
328 * final.c (final_scan_insn): Remove old location code.
329 * diagnostic.c (diagnostic_build_prefix): Remove
330 USE_MAPPED_LOCATION test.
331 * tree.h (gimple_stmt) <locus>: Now a location_t.
332 (tree_exp) <locus>: Likewise.
333 (DECL_IS_BUILTIN): Remove old-location variant.
334 (annotate_with_file_line, annotate_with_locus): Likewise.
335 (expr_locus, set_expr_locus): Update.
336 * tree.c (build1_stat): Remove old location code.
337 (last_annotated_node): Remove.
338 (annotate_with_file_line): Remove old-location variant.
339 (annotate_with_locus): Likewise.
340 (expr_location): Remove old location code.
341 (set_expr_location): Likewise.
342 (expr_has_location): Likewise.
343 (expr_locus): Likewise.
344 (set_expr_locus): Likewise.
345 (expr_filename): Don't use location_from_locus.
346 (expr_lineno): Likewise.
347 * rtl-error.c (location_for_asm): Remove old location code.
348 * c-lex.c (cb_line_change): Remove old location code.
349 (fe_file_change): Likewise.
350 (cb_def_pragma): Likewise.
351 (c_lex_with_flags): Likewise.
352 * gengtype.c (do_typedef): Don't special-case location types.
353 (define_location_structures): Remove.
354 (main): Don't call define_location_structures.
355 * tree-pretty-print.c (dump_implicit_edges): Remove old location
358 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
361 * builtins.def (BUILT_IN_STDARG_START): Remove.
362 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
363 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
364 * tree-inline.c (inline_forbidden_p_1): Likewise.
366 2008-02-26 Richard Guenther <rguenther@suse.de>
368 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
369 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
370 (lookup_decl_from_uid): Declare.
371 (remove_decl_from_map): Likewise.
372 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
373 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
374 (decl_for_uid_map): New global hashtable mapping DECL_UID
376 (init_ttree): Allocate it.
377 (insert_decl_to_uid_decl_map): New helper function.
378 (make_node_stat): Insert new decls into the map.
379 (copy_node_stat): Likewise.
380 (lookup_decl_from_uid): New function.
381 (remove_decl_from_map): Likewise.
382 (print_decl_for_uid_map_statistics): New helper.
383 (dump_tree_statistics): Call it.
385 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
386 (referenced_var_iterator): Adjust.
387 (FOR_EACH_REFERENCED_VAR): Adjust.
388 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
389 (num_referenced_vars): Adjust.
390 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
391 (first_referenced_var): Remove.
392 (end_referenced_vars_p): Likewise.
393 (next_referenced_var): Likewise.
394 (referenced_var_iterator_set): New helper function.
395 * tree-dfa.c (referenced_var_lookup): Adjust.
396 (referenced_var_check_and_insert): Likewise.
397 (remove_referenced_var): Likewise.
398 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
399 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
400 (verify_call_clobbering): Likewise.
401 (verify_memory_partitions): Likewise.
402 (init_tree_ssa): Allocate bitmap instead of hashtable for
404 (delete_tree_ssa): Adjust.
405 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
406 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
407 (compute_tag_properties): Likewise.
408 (set_initial_properties): Likewise.
409 (find_partition_for): Likewise.
410 (update_reference_counts): Likewise.
411 (dump_may_aliases_for): Likewise.
412 * tree-ssa-operands.c (add_virtual_operand): Likewise.
413 (add_call_clobber_ops): Likewise.
414 (add_call_read_ops): Likewise.
415 (get_asm_expr_operands): Likewise.
416 * tree-into-ssa.c (dump_decl_set): Likewise.
417 (update_ssa): Likewise.
418 * tree-sra.c (scan_function): Likewise.
419 (decide_instantiations): Likewise.
420 (scalarize_parms): Likewise.
421 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
422 (dsa_named_for): Likewise.
423 * tree-ssa-structalias.c (update_alias_info): Likewise.
424 (merge_smts_into): Likewise.
426 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
429 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
430 * c-opts.c (c_common_handle_option): Wall enables
431 Wvolatile-register-var.
432 * common.opt: Move Wvolatile-register-var to...
435 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
437 * common.opt (Wlarger-than=): New.
438 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
440 * opts.c (common_handle_option): Handle -Wlarger-than=.
441 * optc-gen.awk: Likewise.
442 * opth-gen.awk: Likewise.
443 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
444 * tree-optimize.c (tree_rest_of_compilation): Likewise.
446 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
448 * c-common.c (match_case_to_enum_1): Add appropriate
449 OPT_W* parameter to warning.
450 (c_do_switch_warnings): Likewise.
451 * c-typeck.c (warning_init): Add one more parameter following
453 (push_init_level): Update call to warning_init.
454 (pop_init_level): Likewise.
455 (add_pending_init): Likewise.
456 (output_init_element: Likewise.
458 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
461 * toplev.c (toplev_main): If there are warnings or error, print
462 errors for ignored options.
463 * opts.c (ignored_options): New static variable.
464 (postpone_unknown_option_error): New.
465 (print_ignored_options): New.
466 (handle_option): Postpone errors for unknown -Wno-* options.
467 * opts.h (print_ignored_options): Declare.
469 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
471 * config/mips/mips.md (loadgp_blockage, blockage): Change type
474 2008-02-25 Richard Guenther <rguenther@suse.de>
477 2008-02-25 Richard Guenther <rguenther@suse.de>
479 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
480 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
481 (lookup_decl_from_uid): Declare.
482 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
483 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
484 (decl_for_uid_map): New global hashtable mapping DECL_UID
486 (init_ttree): Allocate it.
487 (insert_decl_to_uid_decl_map): New helper function.
488 (make_node_stat): Insert new decls into the map.
489 (copy_node_stat): Likewise.
490 (lookup_decl_from_uid): New function.
491 (print_decl_for_uid_map_statistics): New helper.
492 (dump_tree_statistics): Call it.
494 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
495 (referenced_var_iterator): Adjust.
496 (FOR_EACH_REFERENCED_VAR): Adjust.
497 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
498 (num_referenced_vars): Adjust.
499 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
500 (first_referenced_var): Remove.
501 (end_referenced_vars_p): Likewise.
502 (next_referenced_var): Likewise.
503 (referenced_var_iterator_set): New helper function.
504 * tree-dfa.c (referenced_var_lookup): Adjust.
505 (referenced_var_check_and_insert): Likewise.
506 (remove_referenced_var): Likewise.
507 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
508 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
509 (verify_call_clobbering): Likewise.
510 (verify_memory_partitions): Likewise.
511 (init_tree_ssa): Allocate bitmap instead of hashtable for
513 (delete_tree_ssa): Adjust.
514 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
515 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
516 (compute_tag_properties): Likewise.
517 (set_initial_properties): Likewise.
518 (find_partition_for): Likewise.
519 (update_reference_counts): Likewise.
520 (dump_may_aliases_for): Likewise.
521 * tree-ssa-operands.c (add_virtual_operand): Likewise.
522 (add_call_clobber_ops): Likewise.
523 (add_call_read_ops): Likewise.
524 (get_asm_expr_operands): Likewise.
525 * tree-into-ssa.c (dump_decl_set): Likewise.
526 (update_ssa): Likewise.
527 * tree-sra.c (scan_function): Likewise.
528 (decide_instantiations): Likewise.
529 (scalarize_parms): Likewise.
530 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
531 (dsa_named_for): Likewise.
532 * tree-ssa-structalias.c (update_alias_info): Likewise.
533 (merge_smts_into): Likewise.
535 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
538 * doc/invoke.texi (-fcx-limited-range): Document new option.
539 * toplev.c (process_options): Handle -fcx-fortran-rules.
540 * common.opt: Add documentation for -fcx-fortran-rules.
542 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
545 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
546 actual behaviour and C99.
548 2008-02-26 Ben Elliston <bje@au.ibm.com>
550 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
551 (ASM_CPU_POWER6_SPEC): Likewise.
552 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
553 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
554 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
556 2008-02-25 Richard Guenther <rguenther@suse.de>
558 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
559 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
560 (lookup_decl_from_uid): Declare.
561 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
562 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
563 (decl_for_uid_map): New global hashtable mapping DECL_UID
565 (init_ttree): Allocate it.
566 (insert_decl_to_uid_decl_map): New helper function.
567 (make_node_stat): Insert new decls into the map.
568 (copy_node_stat): Likewise.
569 (lookup_decl_from_uid): New function.
570 (print_decl_for_uid_map_statistics): New helper.
571 (dump_tree_statistics): Call it.
573 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
574 (referenced_var_iterator): Adjust.
575 (FOR_EACH_REFERENCED_VAR): Adjust.
576 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
577 (num_referenced_vars): Adjust.
578 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
579 (first_referenced_var): Remove.
580 (end_referenced_vars_p): Likewise.
581 (next_referenced_var): Likewise.
582 (referenced_var_iterator_set): New helper function.
583 * tree-dfa.c (referenced_var_lookup): Adjust.
584 (referenced_var_check_and_insert): Likewise.
585 (remove_referenced_var): Likewise.
586 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
587 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
588 (verify_call_clobbering): Likewise.
589 (verify_memory_partitions): Likewise.
590 (init_tree_ssa): Allocate bitmap instead of hashtable for
592 (delete_tree_ssa): Adjust.
593 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
594 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
595 (compute_tag_properties): Likewise.
596 (set_initial_properties): Likewise.
597 (find_partition_for): Likewise.
598 (update_reference_counts): Likewise.
599 (dump_may_aliases_for): Likewise.
600 * tree-ssa-operands.c (add_virtual_operand): Likewise.
601 (add_call_clobber_ops): Likewise.
602 (add_call_read_ops): Likewise.
603 (get_asm_expr_operands): Likewise.
604 * tree-into-ssa.c (dump_decl_set): Likewise.
605 (update_ssa): Likewise.
606 * tree-sra.c (scan_function): Likewise.
607 (decide_instantiations): Likewise.
608 (scalarize_parms): Likewise.
609 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
610 (dsa_named_for): Likewise.
611 * tree-ssa-structalias.c (update_alias_info): Likewise.
612 (merge_smts_into): Likewise.
614 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
617 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
618 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
619 * alias.h (nonoverlapping_memrefs_p): Likewise.
621 2008-02-25 Jan Beulich <jbeulich@novell.com>
623 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
624 * config/i386/netware-libgcc.exp: Add __bswap?i2,
625 __emultls_get_address, __emultls_register_common,
626 __floatundi?f, and _Unwind_GetIPInfo.
627 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
628 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
629 (gen_regparm_prefix): Likewise.
630 (i386_nlm_encode_section_info): Sync with
631 config/i386/winnt.c:i386_pe_encode_section_info().
632 (i386_nlm_maybe_mangle_decl_assembler_name): New.
633 i386_nlm_mangle_decl_assembler_name): New.
634 (netware_override_options): New.
635 * config/i386/netware.h (netware_override_options): Declare.
636 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
637 (i386_nlm_mangle_decl_assembler_name): Declare.
638 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
640 2008-02-25 Ben Elliston <bje@au.ibm.com>
643 * c-decl.c (grokdeclarator): Remove unused local variables
644 `typedef_type' and `type_as_written'.
646 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
647 unused local variable `has_hot_blocks'.
648 (fix_crossing_conditional_branches): Remove unused local variable
651 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
654 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
655 using DEF_C99_BUILTIN.
656 (BUILT_IN_NANF): Ditto.
657 (BUILT_IN_NANL): Ditto.
659 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
660 Revital Eres <eres@il.ibm.com>
662 * modulo-sched.c (calculate_must_precede_follow): Address TODO
663 regarding the order of two dependent insns in the same row.
665 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
667 * stor-layout.c (layout_decl): Do not bump the alignment of a
668 bit-field to more than byte alignment if it is packed.
670 2008-02-24 David Edelsohn <edelsohn@gnu.org>
672 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
675 2008-02-24 Diego Novillo <dnovillo@google.com>
677 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
680 * tree-vrp.c (vrp_evaluate_conditional): With
681 -Wtype-limits, emit a warning when comparing against a
682 constant outside the natural range of OP0's type.
683 * c.opt (Wtype-limits): Move ...
684 * common.opt (Wtype-limits): ... here.
686 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
688 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
689 * config/rs6000/e300c2c3.md: New file.
690 * config/rs6000/rs6000.c (processor_costs): Add new costs for
692 (rs6000_override_options): Add e300c2 and e300c3 cases to
693 processor_target_table. Do not allow usage of Altivec or Spe
694 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
695 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
696 * config/rs6000/rs6000.h (processor_type): Add
697 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
698 (ASM_CPU_SPEC): Add e300c2 and e300c3.
699 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
700 and ppce300c3. Include e300c2c3.md.
702 2008-02-23 David Edelsohn <edelsohn@gnu.org>
704 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
705 instead of TARGET_STRICT_ALIGN.
707 2008-02-23 Joseph Myers <joseph@codesourcery.com>
709 * explow.c (memory_address): Assert that the generated address is
712 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
715 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
716 * config/darwin-ppc-ldouble-patch.def: New file.
717 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
718 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
719 SUBTARGET_INIT_BUILTINS if defined.
720 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
723 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
726 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
727 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
729 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
732 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
733 file" warning condtional on -Winvalid-PCH.
735 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
737 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
739 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
743 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
744 prevent reload from using MMX registers.
745 (*mov<mode>_internal): Ditto.
746 (*movv2sf_internal_rex64): Ditto.
747 (*movv2sf_internal): Ditto.
749 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
751 PR documentation/31569
752 * doc/install.texi2html: Use makeinfo --no-number-sections.
754 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
756 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
757 ensure that we can address an entire entity > 8 bytes. Don't
758 generate reg+reg addressing for such data.
760 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
762 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
763 strings when optimizing for size, unless the target cares about
766 2008-02-22 Tom Tromey <tromey@redhat.com>
768 * regclass.c (current_pass): Remove declaration.
770 2008-02-22 Anatoly Sokolov <aesok@post.ru>
772 * config/avr/libgcc.S (__RAMPZ__): Define.
773 (__do_copy_data): Add for devices with 128KB code memory.
775 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
777 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
779 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
781 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
783 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
786 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
789 * c-typeck.c (build_binary_op): Warn about floating point
790 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
792 2008-02-21 Janis Johnson <janis187@us.ibm.com>
795 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
796 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
798 (rs6000_override_options): Set altivec_abi as default, not override,
799 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
800 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
801 is used; use new member spe_abi.
802 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
803 spe_abi and altivec_abi.
805 2008-02-22 Tomas Bily <tbily@suse.cz>
807 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
809 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
812 * config.build (build_file_translate): Set to `CMD //c' only if
814 * Makefile.in (build_file_translate): Improve comment.
816 2008-02-21 Jan Hubicka <jh@suse.cz>
818 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
819 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
820 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
822 2008-02-21 Michael Matz <matz@suse.de>
825 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
827 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
829 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
830 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
832 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
833 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
834 SSE_VEC_FLOAT_MODE_P as insn constraint.
835 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
836 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
837 sse4a_movntdf using MODEF mode iterator.
838 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
839 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
840 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
841 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
842 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
843 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
844 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
846 2008-02-21 Richard Guenther <rguenther@suse.de>
848 * tree.def (PAREN_EXPR): New tree code.
849 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
851 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
852 * expr.c (expand_expr_real_1): Likewise.
853 * tree-inline.c (estimate_num_insns_1): Likewise.
854 * tree-complex.c (expand_complex_move): Likewise.
855 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
858 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
861 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
863 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
866 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
868 * config/sh/sh.c (find_barrier): Don't go past
869 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
871 2008-02-20 DJ Delorie <dj@redhat.com>
873 * config/h8300/h8300.md (insv): Force source operand to be a register.
875 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
876 as a jump, not as a plain insn.
878 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
880 * doc/invoke.texi (Warning Options): Add new option
881 -Wframe-larger-than=.
882 (-Wframe-larger-than): Document.
884 * flags.h (warn_frame_larger_than, frame_larger_than_size):
885 Add declarations for new option variables.
887 * final.c (final_start_function): Check the frame size
888 before emission and issue a Wframe-larger-than warning.
890 * opts.c (warn_frame_larger_than, frame_larger_than_size):
891 Add definitions for new option variables.
892 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
894 * common.opt (Wframe-larger-than=): New option.
896 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
898 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
899 (<sse>_div<mode>3): Ditto.
900 (<sse>_vmdiv<mode>3): Ditto.
901 (<sse>_vmsqrt<mode>2): Ditto.
902 (*smax<mode>3): Ditto.
903 (sse5_frcz<mode>2): Ditto.
904 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
907 2008-02-20 Richard Guenther <rguenther@suse.de>
910 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
911 be happy with INTEGRAL_TYPE_P.
913 2008-02-20 Richard Guenther <rguenther@suse.de>
915 * fold-const.c (split_tree): Associate floatig-point expressions
916 if flag_associative_math is set.
918 2008-02-20 Richard Guenther <rguenther@suse.de>
920 * tree.h (fold_real_zero_addition_p): Declare.
921 * fold-const.c (fold_real_zero_addition_p): Export.
922 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
923 floating-point operations with zero and one.
925 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
927 * doc/install.texi: Correct references to CFLAGS, replacing them
928 with BOOT_CFLAGS. Document flags used during bootstrap for
931 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
933 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
934 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
935 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
937 (smin<mode>3): Ditto from similar patterns.
938 (smax<mode>3): Ditto.
939 (*ieee_smin<mode>3): Ditto.
940 (*ieee_smax<mode>3): Ditto.
941 * config/i386/sse.md (sse): New mode attribute.
942 (mov<mode>): Macroize expander from movv4sf and movv2df using
943 SSEMODEF2P mode iterator.
944 (<sse>_movnt<mode>): Ditto from similar patterns. Use
945 SSE_VEC_FLOAT_MODE_P as insn constraint.
946 (storent<mode>): Ditto.
947 (storent<mode>): Macroize expander from storentsf and storentdf using
949 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
950 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
951 (abs<mode>2): Ditto from similar patterns.
952 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
953 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
954 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
955 (<sse>_vmsqrt<mode>2): Ditto.
956 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
957 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
958 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
959 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
960 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
961 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
962 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
964 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
965 iterator and SSE_FLOAT_MODE_P as insn constraint.
966 (<sse>_ucomi): Ditto from similar patterns.
967 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
968 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
969 SSE_VEC_FLOAT_MODE_P as insn constraint.
970 (vcond<mode>): Ditto from similar patterns.
971 (and<mode>3, *and<mode>3): Ditto.
972 (<sse>_nand<mode>3): Ditto.
973 (ior<mode>3, *ior<mode>3): Ditto.
974 (xor<mode>3, *xor<mode>3): Ditto.
975 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
976 iterator and SSE_FLOAT_MODE_P as insn constraint.
977 (*nand<mode>3): Ditto from similar patterns.
978 (*ior<mode>3): Ditto.
979 (*xor<mode>3): Ditto.
981 2008-02-20 Ira Rosen <irar@il.ibm.com>
983 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
984 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
985 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
987 2008-02-19 Jan Hubicka <jh@suse.cz>
989 * predict.c (tree_bb_level_predictions): Remove variable next
990 mistakely introduced by previous commit.
992 2008-02-19 Jan Hubicka <jh@suse.cz>
994 * predict.c (predict_paths_leading_to): Rewrite.
995 (predict_paths_for_bb): New.
996 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
998 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1001 * Makefile.in (build_file_translate): New.
1002 (gcc-vers.texi): Use it for translating $(abs_srcdir).
1003 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1004 * configure.ac (build_file_translate): Substitute it.
1005 * configure: Regenerate.
1007 2008-02-19 Jan Hubicka <jh@suse.cz>
1009 PR rtl-optimization/34408
1010 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1013 2008-02-19 Jan Hubicka <jh@suse.cz>
1016 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1019 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
1022 * config/i386/i386-modes.def: Revert the last DI alignment
1023 change until Ada people can look into it.
1025 2008-02-19 Nick Clifton <nickc@redhat.com>
1027 * opts.c (print_specific_help): Fix typo in --help text.
1029 2008-02-19 Jakub Jelinek <jakub@redhat.com>
1032 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1033 32-bit inline asm without asm alternatives for host GCC < 3.0.
1035 2008-02-19 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/34989
1038 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1039 Allow propagation to INDIRECT_REF if we can simplify only.
1041 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1043 * c-common.c (warn_for_collisions_1): Use appropriate option when
1046 2008-02-19 Nick Clifton <nickc@redhat.com>
1049 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1050 (handle_options): Fix indentation.
1051 (print_filtered_help): If no language-specific options were
1052 displayed tell the user how to list all the options supported by
1053 the language's front-end.
1054 (print_specific_help): Fix indentation and remove duplicate line.
1055 (common_handle_option): Handle the -v option.
1056 For --help enable the display of undocumented options if the -v
1057 switch has been included on the command line.
1058 For --help= check for overlaps in the arguments between the option
1059 classes and the language names and issue a warning when they
1060 cannot be disambiguated.
1061 * c.opt (v): Pass on to the common option handler.
1063 2008-02-19 Revital Eres <eres@il.ibm.com>
1065 * modulo-sched.c (sms_schedule): Change dump message when
1066 create_ddg function fails.
1067 (try_scheduling_node_in_cycle): Rename row to cycle.
1068 (print_partial_schedule): Rename CYCLE to ROW.
1070 2008-02-19 Christian Bruel <christian.bruel@st.com>
1071 Zdenek Dvorak <ook@ucw.cz>
1073 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1075 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
1078 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1079 (*x86_movdicc_0_m1_se): Ditto.
1081 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
1083 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1084 (CMPtype): Define as __gcc_CMPtype.
1085 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1086 (CMPtype): Define as __gcc_CMPtype.
1088 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
1090 Support valgrind 3.3 for --enable-checking=valgrind.
1091 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1093 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1094 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1095 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1096 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1097 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1098 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1099 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1101 * ggc-zone.c: Similar.
1102 * ggc-page.c: Similar.
1104 2008-02-19 Paul Brook <paul@codesourcery.com>
1107 * config/arm/ieee754-df.S: Fix do_it typo.
1108 * config/arm/ieee754-sf.S: Fix do_it typo.
1110 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
1113 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1114 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1115 (OPTION_MASK_ISA_SSE_SET): Likewise.
1116 (OPTION_MASK_ISA_SSE2_SET): Likewise.
1117 (OPTION_MASK_ISA_SSE3_SET): Likewise.
1118 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1119 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1120 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1121 (OPTION_MASK_ISA_SSE4_SET): Likewise.
1122 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1123 (OPTION_MASK_ISA_SSE5_SET): Likewise.
1124 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1125 (OPTION_MASK_ISA_MMX_UNSET): Updated.
1126 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1127 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1128 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1129 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1130 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1131 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1132 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1133 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1134 (OPTION_MASK_ISA_SSE4): Removed.
1135 (ix86_handle_option): Turn on bits in ix86_isa_flags and
1136 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1138 (override_options): Don't turn on implied SSE/MMX bits in
1141 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
1143 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1146 2008-02-18 Joey Ye <joey.ye@intel.com>
1149 * tree-nested.c (insert_field_into_struct): Set type alignment
1150 to field alignment if the former is less than the latter.
1152 2008-02-18 Jakub Jelinek <jakub@redhat.com>
1154 * BASE-VER: Set to 4.4.0.
1156 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1158 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1159 * doc/cfg.texi: Likewise.
1160 * doc/extend.texi: Likewise.
1161 * doc/gty.texi: Likewise.
1162 * doc/invoke.texi: Likewise.
1163 * doc/loop.texi: Likewise.
1164 * doc/md.texi: Likewise.
1165 * doc/passes.texi: Likewise.
1166 * doc/rtl.texi: Likewise.
1167 * doc/sourcebuild.texi: Likewise.
1168 * doc/tm.texi: Likewise.
1169 * doc/tree-ssa.texi: Likewise.
1171 2008-02-17 Richard Guenther <rguenther@suse.de>
1174 * tree-complex.c (init_parameter_lattice_values): Handle parameters
1175 without default definition.
1177 2008-02-17 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/35231
1180 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1183 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
1187 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
1188 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1189 libgcc_cmp_return mode.
1191 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1194 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1196 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
1198 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1201 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1203 * doc/c-tree.texi: Use `@.' where appropriate.
1204 * doc/extend.texi: Likewise.
1205 * doc/install.texi: Likewise.
1206 * doc/invoke.texi: Likewise.
1207 * doc/loop.texi: Likewise.
1208 * doc/makefile.texi: Likewise.
1209 * doc/md.texi: Likewise.
1210 * doc/passes.texi: Likewise.
1211 * doc/standards.texi: Likewise.
1212 * doc/tm.texi: Likewise.
1214 2008-02-15 Jakub Jelinek <jakub@redhat.com>
1217 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1219 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1220 rather than in entry_bb.
1222 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
1224 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1225 libgcc_cmp_return mode.
1227 2008-02-15 Jakub Jelinek <jakub@redhat.com>
1230 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1231 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1233 2008-02-15 Richard Guenther <rguenther@suse.de>
1234 Zdenek Dvorak <ook@ucw.cz>
1236 PR tree-optimization/35164
1237 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1238 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1239 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1240 Only propagate addresses which do not have abnormal SSA_NAMEs
1243 2008-02-15 Joseph Myers <joseph@codesourcery.com>
1246 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1248 2008-02-15 Jan Hubicka <jh@suse.cz>
1251 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1253 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
1256 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1257 when calculating alignment_pad.
1259 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
1261 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1262 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1263 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1264 and STACK_BOUNDARY define.
1266 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
1268 PR preprocessor/35061
1269 * c-pragma.c (handle_pragma_pop_macro): Check that
1270 pushed_macro_table has been allocated.
1272 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
1275 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1276 (force_gimple_operand): Likewise.
1277 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1278 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1279 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1280 (find_interesting_uses_address): Check addressability and alignment
1281 of the base expression only after substituting bases of IVs into it.
1283 2008-02-14 Michael Matz <matz@suse.de>
1286 * function.c (instantiate_virtual_regs_in_insn): Reload address
1287 before falling back to reloading the whole operand.
1289 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
1291 * config/s390/s390.c (s390_mainpool_start): Emit the pool
1292 before the first section switch note.
1294 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1296 * doc/bugreport.texi: Update copyright years.
1297 * doc/c-tree.texi: Likewise.
1298 * doc/cfg.texi: Likewise.
1299 * doc/cpp.texi: Likewise.
1300 * doc/cppinternals.texi: Likewise.
1301 * doc/fragments.texi: Likewise.
1302 * doc/frontends.texi: Likewise.
1303 * doc/gcc.texi: Likewise.
1304 * doc/gty.texi: Likewise.
1305 * doc/hostconfig.texi: Likewise.
1306 * doc/implement-c.texi: Likewise.
1307 * doc/libgcc.texi: Likewise.
1308 * doc/loop.texi: Likewise.
1309 * doc/makefile.texi: Likewise.
1310 * doc/options.texi: Likewise.
1311 * doc/passes.texi: Likewise.
1312 * doc/rtl.texi: Likewise.
1313 * doc/sourcebuild.texi: Likewise.
1314 * doc/standards.texi: Likewise.
1315 * doc/tree-ssa.texi: Likewise.
1316 * doc/trouble.texi: Likewise.
1318 * doc/extend.texi: Use @: or add comma where appropriate.
1319 * doc/invoke.texi: Likewise.
1320 * doc/tm.texi: Likewise.
1322 2008-02-14 Alan Modra <amodra@bigpond.net.au>
1325 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1328 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
1330 * doc/md.texi (clz, ctz): Add reference.
1331 * doc/rtl.texi (clz, ctz): Likewise.
1333 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1336 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1339 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
1341 * config/s390/s390.c (struct constant_pool): New field
1342 emit_pool_after added.
1343 (s390_mainpool_start): Set the emit_pool_after flag according
1344 to the section switch notes.
1345 (s390_mainpool_finish): Consider emit_pool_after when emitting
1346 the literal pool at the end of the function.
1347 (s390_chunkify_start): Force literal pool splits at section
1350 2008-02-13 Michael Matz <matz@suse.de>
1353 * var-tracking.c (clobber_variable_part): Correctly traverse the
1356 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1359 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1360 Add -fdump-ipa-inline.
1361 * tree-dump.c (dump_files): Remove tree-inlined dump.
1362 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1364 2008-02-12 Richard Guenther <rguenther@suse.de>
1366 PR tree-optimization/35171
1367 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1370 2008-02-12 Richard Guenther <rguenther@suse.de>
1373 * fold-const.c (fold_widened_comparison): Use get_unwidened in
1374 value-preserving mode. Disallow final truncation.
1376 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
1379 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1380 code from here to...
1381 (force_gimple_operand): ...here.
1383 2008-02-12 Jakub Jelinek <jakub@redhat.com>
1386 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1387 non-compatible pointers.
1388 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1389 different FIELD_DECLs, try harder by comparing field offsets, sizes
1393 * function.c (match_asm_constraints_1): Don't replace the same input
1396 2008-02-12 Anatoly Sokolov <aesok@post.ru>
1398 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1399 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1400 (expand_epilogue): Restore RAMPZ register.
1401 * config/avr/avr.md (RAMPZ_ADDR): New constant.
1403 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
1405 * config/i386/cygwin.asm: (__alloca): Correct calling
1406 convention and alignment.
1407 (__chkstk): Force 8 byte stack alignment.
1409 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
1410 Richard Guenther <rguenther@suse.de>
1412 PR tree-optimization/33992
1413 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1414 the zero we compare against.
1416 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
1419 * gthr-win32.h (__gthread_mutex_destroy_function): New function
1420 to CloseHandle after unlocking to prevent accumulation of handle
1423 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1426 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1427 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
1428 and update LABEL_NUSES during and after reload.
1430 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
1433 * combine.c (simplify_if_then_else): Make sure the comparison is
1434 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1436 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
1439 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1440 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1441 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1442 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1443 * tree.h (get_type_static_bounds): Likewise.
1445 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1447 * doc/invoke.texi (Option Summary, C++ Dialect Options)
1448 (Objective-C and Objective-C++ Dialect Options, Warning Options):
1449 Make -Wfoo language annotations match what the compiler outputs.
1451 2008-02-08 Sa Liu <saliu@de.ibm.com>
1453 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
1454 intrinsics spu_convts, spu_convtu, spu_convtf.
1455 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1457 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
1459 * doc/extend.texi (Function Attributes) <noinline>: Mention
1460 asm ("") as method to keep calls.
1462 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1465 * doc/options.texi (Options): Replace references to opts.sh with
1467 * opts-common.c: Likewise.
1468 * optc-gen.awk: Likewise.
1470 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
1472 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1474 2008-02-07 Richard Henderson <rth@redhat.com>
1477 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1478 EXPR_LIST for the REG_EQUAL instead of a comparison with a
1481 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
1483 PR tree-optimization/35085
1484 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1485 for operand entry oe2 in addition to operand entry oe3 in order to
1486 expose more opportunities for vectorizer sum reduction.
1488 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1491 * Makefile.in (LIBS): Remove $(GMPLIBS).
1492 (cc1-dummy, cc1): Add $(GMPLIBS).
1494 2008-02-06 Jan Hubicka <jh@suse.cz>
1497 * i386.md (moddf_integer): Do not produce partial memory stalls for
1498 targets where it hurts.
1500 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
1503 * optabs.c (expand_float): Do not check for decimal modes when
1504 expanding unsigned integer through signed conversion.
1506 2008-02-06 Nick Clifton <nickc@redhat.com>
1508 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1509 inside the clobber with a match_operand and duplicated operand
1510 number in the constraint.
1511 (ineqbranchsi): Delete redundant comment.
1513 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
1515 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
1516 builtin_define ("__USE_INIT_FINI__").
1517 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1519 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1521 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1523 PR documentation/30330
1524 * doc/invoke.texi (C++ Dialect Options)
1525 (Objective-C and Objective-C++ Dialect Options, Warning Options):
1526 For each warning option -Wfoo that allows -Wno-foo, ensure both
1527 -Wfoo and -Wno-foo are listed in the option index. Fix index
1528 entry of -Wswitch-default, index -Wnormalized= including the
1529 `=', and -Wlarger-than-@var{len} including @var{len}.
1531 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
1533 * config/i386/i386.md (floatunssisf2): Use
1534 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1535 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1536 Macroize expander using MODEF mode iterator.
1538 2008-02-05 Diego Novillo <dnovillo@google.com>
1540 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1543 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1545 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1550 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
1553 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1554 to indicate if a message should be generated.
1555 (init_cumulative_args): Updated.
1556 (function_value_32): Likewise.
1558 2008-02-05 Joseph Myers <joseph@codesourcery.com>
1560 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1562 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
1565 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1566 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1568 2008-02-04 Diego Novillo <dnovillo@google.com>
1570 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1573 * tree-vrp.c (vrp_evaluate_conditional): With
1574 -Wtype-limits, emit a warning when comparing against a
1575 constant outside the natural range of OP0's type.
1577 2008-02-04 Richard Guenther <rguenther@suse.de>
1580 * expr.c (count_type_elements): Give for unions instead of
1583 2008-02-04 Richard Guenther <rguenther@suse.de>
1586 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1587 to TYPE_DOMAINs base type instead of using bitsizetype here.
1589 2008-02-03 Jason Merrill <jason@redhat.com>
1591 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1593 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1596 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1597 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1598 (RS/6000 and PowerPC Options): Fix typos and markup.
1599 * doc/passes.texi (Tree-SSA passes): Likewise.
1601 2008-02-02 Michael Matz <matz@suse.de>
1604 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1605 from record_last_reg_set_info.
1606 (record_last_reg_set_info): Take an RTX argument, iterate over all
1607 constituent hardregs.
1608 (record_last_set_info, record_opr_changes): Change calls to
1609 new signature or to record_last_reg_set_info_regno.
1611 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
1613 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1615 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
1617 PR rtl-optimization/34773
1618 * reg-notes.def (EQUAL): Mention significance of combination of
1619 REG_EQUAL and REG_RETVAL.
1620 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1621 insn that has a REG_RETVAL.
1623 2008-02-01 Roger Sayle <roger@eyesopen.com>
1626 * configure.ac (--enable-fixed-point): Disable unless explicitly
1628 * configure: Regenerate.
1630 2008-02-01 Richard Guenther <rguenther@suse.de>
1633 * invoke.texi (-finline-limit): Remove no longer true parts
1634 of the documentation. Note that there is no default value.
1636 2008-02-01 Andrew Pinski <pinskia@gmail.com>
1637 Mark Mitchell <mark@codesourcery.com>
1638 Ben Elliston <bje@au.ibm.com>
1641 * doc/extend.texi (Other Builtins): Document.
1643 2008-01-31 Tom Browder <tom.browder@gmail.com>
1645 * doc/c-tree.texi (Types): Fix grammar.
1646 (Expression trees): Ditto.
1647 * doc/passes.texi (Tree-SSA passes): Ditto.
1649 * doc/configterms.texi (Configure Terms): Fix typo.
1650 * doc/cpp.texi (Common Predefined Macros): Ditto.
1651 * doc/md.texi (Machine Constraints): Ditto.
1653 * doc/makefile.texi (Makefile): Add comma.
1655 2008-01-31 Tom Browder <tom.browder@gmail.com>
1656 Gerald Pfeifer <gerald@pfeifer.com>
1658 * doc/sourcebuild.texi (Front End): Remove references to CVS
1659 and CVSROOT/modules.
1660 (Texinfo Manuals): Replace reference to CVS by one to SVN.
1661 (Back End): Remove reference to CVS.
1663 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
1666 * config/mips/mips.c (gen_load_const_gp): New function, taking a
1668 (mips16_gp_pseudo_reg): ...here.
1669 * config/mips/mips.md (load_const_gp): Replace with...
1670 (load_const_gp_<mode>): ...this :P-based insn.
1672 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1674 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1675 options. Minor fixes.
1676 (-std): Move reference to standards closer to where language
1677 standards are first mentioned.
1679 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
1681 PR rtl-optimization/34995
1682 * reload.c (alternative_allows_const_pool_ref): Take an rtx
1683 parameter and return a bool. If the rtx parameter is nonnull,
1684 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1685 (find_reloads): Update call accordingly. Pass the new operand
1686 if it needed no address reloads, otherwise pass null.
1688 2008-01-30 Richard Henderson <rth@redhat.com>
1691 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1692 for unbounded arrays.
1694 2008-01-30 Silvius Rus <rus@google.com>
1696 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1698 2008-01-30 Jan Hubicka <jh@suse.cz>
1701 * i386.c (init_cumulative_args): Use real function declaration when
1704 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
1706 PR rtl-optimization/34998
1707 * global.c (build_insn_chain): Treat non-subreg_lowpart
1708 SUBREGs of pseudos as clobbering all the words covered by the
1709 SUBREG, not just all the bytes.
1710 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
1711 original df_ref rather than an extract parameter.
1712 (global_conflicts): Update call accordingly.
1714 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
1716 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1717 the overflow check to make it easier to read.
1718 (__fixtfdi): Change the type of the ll member in union
1719 long_double to UDItype_x.
1721 2008-01-30 Jakub Jelinek <jakub@redhat.com>
1724 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1725 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1726 * tree-inline.c (fold_marked_statements): Call
1727 cgraph_update_edges_for_call_stmt if folding a call statement.
1728 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1729 debug_generic_stmt calls, reset it back afterwards.
1732 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1734 * c-typeck.c (build_external_ref): Don't pedwarn about
1735 static vars in current function's scope.
1737 2008-01-29 Joseph Myers <joseph@codesourcery.com>
1739 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1741 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
1744 * ipa-struct-reorg.c: Fix spelling.
1745 * params.def: Ditto.
1747 2008-01-29 Richard Guenther <rguenther@suse.de>
1750 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1752 * tree-inline.c (remap_type): Increment remapping_type_depth
1753 around remapping types.
1754 (copy_body_r): Only add referenced variables if they are referenced
1755 from code, not types.
1757 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
1768 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1769 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1771 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
1774 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
1775 pointer for tiny stack.
1777 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
1779 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1781 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
1783 * config/vx-common.h: Fix typo in comment.
1785 2008-01-28 Ian Lance Taylor <iant@google.com>
1789 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1790 coalesce pointers if they have different DECL_NO_TBAA_P values.
1791 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1792 between variables with different DECL_NO_TBAA_P values.
1794 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
1797 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1798 are not legitimate small data references on SPE targets.
1800 2008-01-28 David Daney <ddaney@avtrex.com>
1802 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1804 2008-01-28 David Daney <ddaney@avtrex.com>
1806 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
1808 2008-01-27 Joseph Myers <joseph@codesourcery.com>
1810 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1811 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1812 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1813 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1814 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1815 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1816 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1817 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1819 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1821 * basic-block.h (condjump_equiv_p): Fix comment.
1823 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1825 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1826 print_generic_stmt_indented): Fix comment.
1828 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1830 * configure.ac (__stack_chk_fail): Add detecion for availability
1831 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1832 * configure: Regenerate.
1834 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
1837 * final.c (output_addr_const): Handle TRUNCATE.
1839 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
1842 * tree-ssa-loop-ivopts.c (comp_cost): New type.
1843 (zero_cost, infinite_cost): New constants.
1844 (struct cost_pair): Change type of cost to comp_cost.
1845 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1846 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1848 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1849 split_address_cost, ptr_difference_cost, difference_cost,
1850 get_computation_cost_at, get_computation_cost,
1851 determine_use_iv_cost_generic, determine_use_iv_cost_address,
1852 determine_use_iv_cost_condition, determine_use_iv_costs,
1853 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1854 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1855 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1856 Change type of cost to comp_cost.
1857 (determine_iv_cost): Increase cost of non-original ivs, instead
1858 of decreasing the cost of original ones.
1859 (get_address_cost): Indicate the complexity of the addressing mode
1861 (try_add_cand_for): Prefer using ivs not specific to some object.
1862 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1864 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
1865 Janis Johnson <janis187@us.ibm.com>
1868 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1869 (TARGET_INSTANTIATE_DECLS): Likewise.
1870 * target.h (expand_to_rtl_hook): New target hook.
1871 (instantiate_decls): Likewise.
1872 * function.c (instantiate_decl): Make non-static. Rename to...
1873 (instantiate_decl_rtl): ... this.
1874 (instantiate_expr): Use instantiate_decl_rtl.
1875 (instantiate_decls_1): Likewise.
1876 (instantiate_decls): Likewise.
1877 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1878 * function.h (instantiate_decl_rtl): Add prototype.
1879 * cfgexpand.c (target.h): New include.
1880 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1881 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1882 (TARGET_INSTANTIATE_DECLS): Likewise.
1883 (TARGET_INITIALIZER): New target hooks added.
1884 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1886 * config/rs6000/rs6000.c (tree-flow.h): New include.
1887 (machine_function): Add sdmode_stack_slot field.
1888 (rs6000_alloc_sdmode_stack_slot): New function.
1889 (rs6000_instantiate_decls): Likewise.
1890 (rs6000_secondary_memory_needed_rtx): Likewise.
1891 (rs6000_check_sdmode): Likewise.
1892 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1893 (TARGET_INSTANTIATE_DECLS): Likewise.
1894 (rs6000_hard_regno_mode_ok): Allow SDmode.
1895 (num_insns_constant): Likewise. Handle _Decimal32 constants.
1896 (rs6000_emit_move): Handle SDmode.
1897 (function_arg_advance): Likewise.
1898 (function_arg): Likewise.
1899 (rs6000_gimplify_va_arg): Likewise. Add special handling of
1900 SDmode var args for 32-bit compiles.
1901 (rs6000_secondary_reload_class): Handle SDmode.
1902 (rs6000_output_function_epilogue): Likewise.
1903 (rs6000_function_value): Simplify if statement.
1904 (rs6000_libcall_value): Likewise.
1905 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1906 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1907 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1908 (movsd_hardfloat): New define_insn.
1909 (movsd_softfloat): Likewise.
1910 (movsd_store): Likewise.
1911 (movsd_load): Likewise.
1912 (extendsddd2): Likewise.
1913 (extendsdtd2): Likewise.
1914 (truncddsd2): Likewise.
1915 (movdd_hardfloat64): Fixup comment.
1916 (UNSPEC_MOVSD_LOAD): New constant.
1917 (UNSPEC_MOVSD_STORE): Likewise.
1919 2008-01-26 Jakub Jelinek <jakub@redhat.com>
1922 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1924 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1925 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1926 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1929 2008-01-26 David Edelsohn <edelsohn@gnu.org>
1932 * config.gcc: Separate AIX 5.3 from AIX 6.1.
1933 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1934 __LONGDOUBLE128 too.
1935 * config/rs6000/aix61.h: New file.
1937 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
1939 PR rtl-optimization/34959
1940 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1941 popcount and parity rtxes the same mode as their operand.
1942 Truncate or extend the result to the return value's mode
1945 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
1948 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1949 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1950 to GOT_VERSION_REGNUM.
1951 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1952 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1953 * config/mips/mips.c (mips_emit_call_insn): New function.
1954 (mips_call_tls_get_addr): Call mips_expand_call directly.
1955 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1957 (mips16_build_call_stub): Likewise. Return the call insn or null.
1958 (mips_expand_call): Update the call to mips16_build_call_stub
1959 accordingly and a remove redundant condition. Assert that MIPS16
1960 stubs do not use lazy binding. Use mips_emit_call_insn and return
1962 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1964 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1965 (mips_avoid_hazard): Remove hazard_set handling.
1966 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1967 (UNSPEC_RESTORE_GP): ...this.
1968 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1969 (FAKE_CALL_REGNO): Rename to...
1970 (GOT_VERSION_REGNUM): ...this.
1971 (type): Add "ghost" value. Add an associated insn reservation.
1972 (hazard_set): Remove.
1973 (exception_receiver): Rename to...
1974 (restore_gp): ...this and update the unspec identifier accordingly.
1975 (exception_receiver, nonlocal_got_receiver): New expanders.
1976 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
1977 FAKE_CALL_REGNO. Remove hazard_set attribute.
1978 (set_got_version, update_got_version): New patterns.
1980 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
1983 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1985 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1988 * doc/install.texi2html: Generate gcc-vers.texi.
1990 2008-01-25 DJ Delorie <dj@redhat.com>
1992 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1994 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1996 * config/c4x: Remove directory.
1997 * config.gcc (crx-*, mt-*): Mark obsolete.
1998 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1999 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2000 sh-*-rtemscoff*): Remove cases.
2001 * defaults.h (C4X_FLOAT_FORMAT): Remove.
2002 * real.c (encode_c4x_single, decode_c4x_single,
2003 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2004 c4x_extended_format): Remove.
2005 * real.h (c4x_single_format, c4x_extended_format): Remove.
2006 * doc/extend.texi (interrupt, naked): Remove mention of attributes
2008 (Pragmas): Remove comment about c4x pragmas.
2009 * doc/install.texi (c4x): Remove target-specific instructions.
2010 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2011 * doc/md.texi (Machine Constraints): Remove C4x documentation.
2012 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2013 refer to C4x source files as examples.
2014 (C4X_FLOAT_FORMAT): Remove documentation.
2016 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
2018 * config/bfin/bfin.c (override_options): Reorder tests so that
2019 flag_pic gets enabled for -msep-data.
2021 2008-01-25 Richard Guenther <rguenther@suse.de>
2024 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2025 to its bitfield precision if required.
2027 2008-01-25 Jakub Jelinek <jakub@redhat.com>
2030 * tree-nested.c (walk_omp_for): New function.
2031 (convert_nonlocal_reference, convert_local_reference): Call
2032 walk_omp_for on OMP_FOR.
2033 (convert_call_expr): Call walk_body on OMP_FOR's
2034 OMP_FOR_PRE_INIT_BODY.
2036 2008-01-25 Richard Guenther <rguenther@suse.de>
2038 PR tree-optimization/34966
2039 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2040 default defs and PHI_NODEs we have to insert after the
2043 2008-01-24 Nick Clifton <nickc@redhat.com>
2045 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2046 Provide a default definition.
2047 (LIBGCC2_UNITS_PER_WORD): Likewise.
2049 * config/stormy16/stormy16.c: Include df.h for the prototype
2050 for df_regs_ever_live_p.
2051 (xstormy16_expand_builtin_va_start): Convert the stack offset
2052 into a component_ref and then use POINTER_PLUS_EXPR to add it
2053 to the incoming_virtual_args_rtx.
2054 (xstormy16_gimplify_va_arg_expr): Rename to
2055 xstormy16_gimplify_va_arg_expr.
2056 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2057 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2058 xstormy16_gimplify_va_arg_expr.
2059 Fix up some formatting issues.
2061 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2062 Move to predicates.md.
2063 (xs_hi_general_operand): Likewise.
2064 (xs_hi_nonmemory_operand): Likewise.
2065 * config/stormy16/predicates.md:
2066 (xstormy16_carry_plus_operand): New predicate.
2067 (xs_hi_general_operand): New predicate.
2068 (xs_hi_nonmemory_operand): New predicate.
2069 * config/stormy16/stormy16-protos.h:
2070 (xstormy16_carry_plus_operand): Delete prototype.
2071 (xs_hi_general_operand): Likewise.
2072 (xs_hi_nonmemory_operand): Likewise.
2074 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2075 modifiers as they are no longer needed and they can trigger
2076 reload spill failures.
2078 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2079 with a match_operand in order to help reload.
2081 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2082 constraint with 'e' for the 8th alternative as this version of
2083 the mov.w instruction only accepts the lower 8 registers.
2085 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
2088 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2089 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2092 2008-01-25 Jakub Jelinek <jakub@redhat.com>
2095 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2097 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
2099 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2101 (remove_structure): Update allocations list before removing structure.
2103 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
2105 * ipa-struct-reorg.c (is_safe_cond_expr,
2106 create_new_stmts_for_cond_expr): Use integer_zerop function,
2107 that recognize not only zero-pointer, but zero-integer too.
2109 2008-01-25 Ben Elliston <bje@au.ibm.com>
2112 * fixproto: Escape "." in sed expression that strips leading "./".
2114 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
2117 * gcc.c (SWITCH_OK): Removed.
2118 (SWITCH_LIVE): Changed to bit.
2119 (SWITCH_FALSE): Likewise.
2120 (SWITCH_IGNORE): Likewise.
2121 (switchstr): Change live_cond to unsigned int.
2122 (process_command): Replace SWITCH_OK with 0.
2123 (do_self_spec): Likewise.
2124 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2125 (give_switch): Likewise.
2126 (used_arg): Likewise.
2127 (do_spec_1): Set the SWITCH_IGNORE bit.
2128 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2129 bits. Set the SWITCH_LIVE bit.
2131 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
2133 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2135 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
2137 PR tree-optimization/34472
2138 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2139 parameter to a "bool *" and set *DATA to false if there is
2140 an unsafe access. Do not delete the structure here.
2141 (check_cond_exprs): Delete it here instead.
2142 (check_cond_exprs, exclude_cold_structs): Do not increase
2143 I when removing a structure.
2145 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
2148 * config/i386/i386.c (ix86_expand_vector_init): Consider only
2149 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2151 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
2154 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2155 a fixed vector for stack.
2157 2008-01-24 Ben Elliston <bje@au.ibm.com>
2160 * doc/gcc.texi (Software development): Add a direntry for g++.
2162 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
2164 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2165 stale and straggling -fforce-addr comments above.
2167 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2169 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2170 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2172 2008-01-23 Michael Matz <matz@suse.de>
2175 * dwarf2out.c (force_type_die): Use modified_type_die instead of
2178 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
2180 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2183 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2185 * config/avr/avr.c (avr_current_arch): New variable.
2186 (avr_arch_types): Add 'avr31' and 'avr51' entries.
2187 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2188 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2189 (avr_override_options): Init 'avr_current_arch'.
2190 (base_arch_s): Move from here...
2191 * config/avr/avr.h (base_arch_s): ... here. Add new members
2192 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2193 'mega' to 'have_jmp_call'.
2194 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2195 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
2197 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2199 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2200 MULTILIB_MATCHES): (Ditto.).
2202 2008-01-23 Richard Guenther <rguenther@suse.de>
2205 * cgraphunit.c (cgraph_reset_node): Always mark the node
2206 not reachable if it is not queued already.
2208 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
2210 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2211 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2212 (cputype_selected): New static variable.
2213 (bfin_handle_option): Set it if -mcpu is used.
2214 (override_option): Select default set of workarounds if no cpu type
2215 selected on the command line.
2216 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2218 From Michael Frysinger <michael.frysinger@analog.com>
2219 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2220 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2222 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2223 for bf547, bf523, bf524, and bf526.
2224 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
2226 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2227 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2228 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2229 __ADSPBF547__ and __ADSPBF54x__ for bf547.
2230 * doc/invoke.texi (Blackfin Options): Document that
2231 -mcpu now accept bf547, bf523, bf524, and bf526.
2233 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
2235 PR rtl-optimization/34628
2236 * combine.c (try_combine): Stop and undo after the first combination
2237 if an autoincrement side-effect on the first insn has effectively
2240 2008-01-22 David Edelsohn <edelsohn@gnu.org>
2243 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2244 Offset addresses are not valid for Altivec or paired float modes.
2246 2008-01-22 Jakub Jelinek <jakub@redhat.com>
2249 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2250 if DECL_INITIAL (decl) is error_mark_node.
2253 * c-common.c (handle_vector_size_attribute): Only allow
2254 integral, scalar float and fixed point types. Handle OFFSET_TYPE
2255 the same way as pointer, array etc. types.
2256 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2259 * tree.c (build_type_attribute_qual_variant): Call
2260 build_qualified_type if attributes are equal, but quals are not.
2262 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2265 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2266 * flags.h (warn_strict_aliasing): Remove.
2267 (warn_strict_overflow): Remove.
2268 * opts.c (warn_strict_aliasing): Remove.
2269 (warn_strict_overflow): Remove.
2270 * c-opts.c (c_common_handle_option): -Wall only sets
2271 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2272 (c_common_post_options): Give default values to -Wstrict-aliasing
2273 and -Wstrict-overflow if they are uninitialized.
2274 * common.opt (Wstrict-aliasing): Specify Var and Init.
2275 (Wstrict-overflow): Likewise.
2277 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2279 PR rtl-optimization/26854
2280 PR rtl-optimization/34400
2281 PR rtl-optimization/34884
2282 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2284 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2285 (df_rd_bb_info.expanded_lr_out): Deleted
2286 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2287 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
2288 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2289 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2290 Removed code to allocate, initialize or free expanded_lr_out.
2291 (df_rd_bb_local_compute_process_def): Restructured to make more
2293 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2294 sets if the sets are being trimmed.
2296 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
2299 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2300 (as_vers): Likewise.
2301 * configure: Regenerated.
2303 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2306 * tree-pass.h (pass_build_alias): New pass.
2307 * tree-ssa-alias.c (gate_build_alias): New.
2308 (pass_build_alias): New.
2309 * passes.c (init_optimization_passes): Add pass_build_alias after
2310 pass_create_structure_vars.
2312 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
2314 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2315 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2316 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2317 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2318 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2319 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2320 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2321 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2322 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2323 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2324 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2325 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2326 * config/s390/s390.md (FP_ALL): New mode iterator.
2327 (_d): New mode attribute.
2328 ("*signbit<mode>2>"): Changed mode of first operand.
2329 ("isinf<mode>2"): Changed mode of first operand.
2330 ("*TDC_insn"): Adaptation for DFP modes.
2332 2008-01-22 Ben Elliston <bje@au.ibm.com>
2334 * tree.c (check_qualified_type): Improve function description.
2336 2008-01-21 Jason Merrill <jason@redhat.com>
2339 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2340 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2343 2008-01-21 DJ Delorie <dj@redhat.com>
2345 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2348 2008-01-21 Richard Guenther <rguenther@suse.de>
2351 * tree-cfg.c (verify_expr): Allow all invariant expressions
2352 instead of just constant class ones as reference argument.
2353 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2354 like any other constant.
2355 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2357 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
2359 * regmove.c (fixup_match_1): Update call crossed frequencies.
2361 2008-01-21 Richard Guenther <rguenther@suse.de>
2364 * tree-inline.c (setup_one_parameter): Deal with mismatched
2365 types using a VIEW_CONVERT_EXPR.
2367 2008-01-21 Alon Dayan <alond@il.ibm.com>
2368 Olga Golovanevsky <olga@il.ibm.com>
2370 PR tree-optimization/34701
2371 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2372 when the structure size is not a power of 2.
2374 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
2376 * doc/install.texi: Add doc for --enable-checking=df.
2378 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
2380 PR rtl-optimization/34808
2381 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2383 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
2385 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2388 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2390 PR rtl-optimization/26854
2391 PR rtl-optimization/34400
2392 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2394 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2395 (df_rd_bb_info.expanded_lr_out): New.
2396 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2397 * loop_iv.c (iv_analysis_loop_init): Ditto.
2398 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2399 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2400 Added code to allocate, initialize or free expanded_lr_out.
2401 (df_rd_bb_local_compute_process_def): Restructured to make
2402 more understandable.
2403 (df_rd_confluence_n): Add code to do nothing with fake edges and
2404 code to no apply invalidate_by_call sets if the sets are being trimmed.
2405 (df_lr_local_finalize): Renamed to df_lr_finalize.
2406 (df_live_local_finalize): Renamed to df_live_finalize.
2408 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
2411 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2412 deciding whether to use reciprocal instructions.
2414 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
2416 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2417 dwarf2out_note_section_used if cold_text_section is NULL.
2419 2008-01-19 Jakub Jelinek <jakub@redhat.com>
2421 PR gcov-profile/34610
2422 * tree-cfg.c (make_edges): Mark both outgoing edges from
2423 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2424 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2425 from OMP_FOR and OMP_CONTINUE outgoing edges.
2427 * tree-profile.c (tree_profiling): Return early if
2428 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
2430 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2431 from cfun to child_cfun.
2432 * function.h (struct function): Add after_tree_profile bit.
2434 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2436 * config/avr/avr.S (_exit): Disable interrupt.
2438 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
2439 Steven Bosscher <stevenb.gcc@gmail.com>
2441 PR rtl-optimization/26854
2442 PR rtl-optimization/34400
2443 * df-problems.c (df_live_scratch): New scratch bitmap.
2444 (df_live_alloc): Allocate df_live_scratch when doing df_live.
2445 (df_live_reset): Clear the proper bitmaps.
2446 (df_live_bb_local_compute): Only process the artificial defs once
2447 since the order is not important.
2448 (df_live_init): Init the df_live sets only with the variables
2449 found live by df_lr.
2450 (df_live_transfer_function): Use the df_lr sets to prune the
2451 df_live sets as they are being computed.
2452 (df_live_free): Free df_live_scratch.
2454 2008-01-18 Ian Lance Taylor <iant@google.com>
2456 * common.opt: Add fmerge-debug-strings.
2457 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2458 flag_merge_debug_strings rather than flag_merge_constants.
2459 * doc/invoke.texi (Option Summary): Mention
2460 -fmerge-debug-strings.
2461 (Debugging Options): Document -fmerge-debug-strings.
2463 2008-01-18 Ian Lance Taylor <iant@google.com>
2466 * tree.h (DECL_IS_OPERATOR_NEW): Define.
2467 (struct tree_function_decl): Add new field operator_new_flag.
2468 * tree-inline.c (expand_call_inline): When inlining a call to
2469 operator new, force the return value to go into a variable, and
2470 set DECL_NO_TBAA_P on that variable.
2471 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2473 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
2476 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2477 DWARF2_DEBUGGING_INFO.
2478 (dwarf2out_note_section_used): Ditto. Add prototype.
2479 (have_multiple_function_sections, text_section_used,
2480 cold_text_section_used, *cold_text_sections): Move declarations
2483 2008-01-17 Bob Wilson <bob.wilson@acm.org>
2485 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2486 field and add signal_ra.
2487 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2488 assignments to frame state pc. Move end of stack check after
2489 MD_FALLBACK_FRAME_STATE_FOR.
2490 (uw_update_context_1): Use frame state signal_regs if set, instead
2491 of checking signal_frame flag.
2492 (uw_update_context): Use frame state signal_ra if set.
2493 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2494 * config/xtensa/linux-unwind.h: New file.
2496 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
2498 * modulo-sched.c (get_sched_window): Fix comment typo.
2500 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
2502 PR tree-optimization/34648
2503 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2505 2008-01-17 Anatoly Sokolov <aesok@post.ru>
2507 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2508 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2510 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
2512 PR rtl-optimization/34400
2513 * df-core.c (df_worklist_dataflow_overeager,
2514 df_worklist_dataflow_doublequeue): New functions.
2515 (df_worklist_dataflow): Two different worklist solvers.
2516 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2519 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2522 * doc/invoke.texi: Document the dependence on pthread for fopenmp
2523 and ftree-parallelize-loops.
2525 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
2527 PR rtl-optimization/34826
2528 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2530 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
2532 * global.c (find_reg): Mark the eh regs as used if necessary.
2533 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2534 * ra.h (struct allocno): no_eh_reg field added. Changed
2535 no_stack_reg type to bitfield.
2537 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
2539 * tree.c (substitute_in_expr): Add missing 'break'.
2541 2008-01-17 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/34825
2544 * tree-ssa-math-opts.c (is_division_by): Do not recognize
2545 x / x as division to handle.
2547 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2549 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2550 "-pthread" is specified.
2551 * pa-hpux11.h (LIB_SPEC): Likewise.
2553 2008-01-16 Janis Johnson <janis187@us.ibm.com>
2554 Peter Bergner <bergner@vnet.ibm.com>
2556 PR rtl-optimization/33796
2557 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2559 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2561 PR libgfortran/34699
2562 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2564 * pa-hpux10.h (LINK_SPEC): Likewise.
2565 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2567 2008-01-16 Richard Guenther <rguenther@suse.de>
2570 * fold-const.c (fold_convert_const_int_from_int): Do not
2571 set overflow if that occured only because of a sign extension
2572 change when converting from/to a sizetype with the same
2573 precision and signedness.
2575 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
2578 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2579 location address to the correct place. Update copyright year.
2581 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2583 * lambda-code.c (lambda_transform_legal_p): Handle the case of
2584 no dependences in the dependence_relations vector.
2586 2008-01-16 Jan Hubicka <jh@suse.cz>
2588 PR rtl-optimization/31396
2589 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2590 * cfg.c (dump_reg_info): Print it.
2591 * regs.h (struct reg_info_t): add freq_calls_crossed.
2592 (REG_FREQ_CALLS_CROSSED): New macro.
2593 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2594 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2595 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2596 regmove_optimize): Update call crossed frequencies.
2597 * local-alloc.c (struct qty): Add freq_calls_crossed.
2598 (alloc_qty): Copute freq_calls_crossed.
2599 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2600 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2601 * ra.h (struct allocno): Add freq_calls_crossed.
2603 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2605 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2606 libgomp when compiling with ftree-parallelize-loops.
2607 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2609 2008-01-16 Richard Guenther <rguenther@suse.de>
2611 PR tree-optimization/34769
2612 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2613 * tree.c (int_cst_value): Instead make this function more
2614 permissive in what it accepts as valid input. Document this
2615 function always sign-extends the value.
2617 2008-01-16 Jakub Jelinek <jakub@redhat.com>
2618 Richard Guenther <rguenther@suse.de>
2621 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2622 (gimple_fold_indirect_ref_rhs): ... this.
2623 (gimple_fold_indirect_ref): New function with foldings
2624 that preserve lvalueness.
2625 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2626 * tree-flow.h (gimple_fold_indirect_ref): Declare.
2627 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2628 to fold an INDIRECT_REF, fall back to the old use of
2629 fold_indirect_ref_1.
2631 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2633 * tree-data-ref.c (subscript_dependence_tester_1): Call
2634 free_conflict_function.
2635 (compute_self_dependence): Same.
2637 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
2640 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2641 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
2643 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2644 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2645 for DWARF2_UNWIND_INFO targets.
2647 2008-01-16 Richard Guenther <rguenther@suse.de>
2650 * c-typeck.c (common_pointer_type): Do not merge inconsistent
2651 type qualifiers for function types.
2653 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
2655 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2656 loop_iterator li from previous commit.
2658 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
2660 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2662 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
2664 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2665 (parallelize_loops): Don't parallelize irreducible components.
2667 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2670 * c-opts (c_common_post_options): Do not enable CPP
2671 flag_pedantic_errors by default.
2673 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
2675 PR rtl-optimization/31944
2676 * cse.c (remove_pseudo_from_table): New function.
2677 (merge_equiv_classes): Use above function to remove pseudo-registers.
2678 (invalidate): Likewise.
2680 2008-01-13 Richard Guenther <rguenther@suse.de>
2683 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2684 instead of TYPE_MODE to deal with calls from expand_one_error_var.
2686 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
2688 * gcse.c (cprop_jump): Call validate_unshare_change instead of
2689 validate_change to unshare the source of the PC set.
2691 2008-01-12 Jan Hubicka <jh@suse.cz>
2694 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2695 references above array bounds. This might trigger bounds checks for
2698 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
2700 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2701 new_replaceable_dependencies.
2703 2008-01-12 Doug Kwan <dougkwan@google.com>
2705 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2706 instead of OPT_Wreturn_type in warning due to ignored return type
2708 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2709 options included in -Wextra.
2710 * c.opt: New option -Wignored_qualifiers.
2711 * doc/invoke.texi (Warning Options, -Wextra): Add new option
2712 -Wignore_qualifiers.
2713 (-Wignored-qualifiers): Document.
2714 (-Wreturn-type): Remove description of functionality now handled
2715 by -Wignored-qualifiers.
2717 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
2720 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2721 NOP_EXPR if it is between integral types with the same precision.
2723 2008-01-12 Jan Hubicka <jh@suse.cz>
2726 * invoke.texi (max-inline-recursive-depth): Fix default value.
2728 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
2730 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2733 2008-01-11 Bob Wilson <bob.wilson@acm.org>
2735 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2737 2008-01-11 James E. Wilson <wilson@specifix.com>
2740 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2742 2008-01-11 Anatoly Sokolov <aesok@post.ru>
2744 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
2745 save/restore frame pointer register and don't use 'call-prologues'
2746 optimization in function with "OS_task" attribute.
2748 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
2751 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2752 when copying to memory.
2754 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
2756 PR rtl-optimization/30905
2757 * cfgcleanup.c: Include dce.h
2758 (crossjumps_occured): New global variable.
2759 (try_crossjump_bb): Exit loop after finding a fallthru edge.
2760 If something changed, set crossjumps_occured to true.
2761 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2762 Don't add/remove fake edges to exit here...
2763 (cleanup_cfg): ...but do it here, when crossjumping.
2764 Run a fast DCE when successful crossjumps occured in the latest
2765 iteration of try_optimize_cfg.
2767 2008-01-11 Richard Guenther <rguenther@suse.de>
2769 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2770 (struct vn_unary_op_s): Likewise.
2771 (vn_reference_insert): Free old reference on hash collision.
2773 2008-01-10 Raksit Ashok <raksit@google.com>
2775 PR rtl-optimization/27971
2776 * combine.c (find_split_point): Split PLUS expressions which are
2777 inside a MEM rtx, and whose first operand is complex.
2779 2008-01-10 DJ Delorie <dj@redhat.com>
2781 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2782 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2783 (m32c_hard_regno_ok): Call the underlying function.
2785 2008-01-10 Richard Guenther <rguenther@suse.de>
2788 * tree-cfg.c (tree_merge_blocks): Do not go through the
2789 full-blown folding and stmt updating path if we just deal
2790 with virtual operands.
2791 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2792 test for abnormal SSA_NAMEs.
2794 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
2797 * reload.c (push_reload): Add assertions. All constants from
2798 reg_equiv_constant should have been used for replacing the respective
2800 (find_reloads_address): Invoke find_reloads_address_part for
2801 constant taken from the reg_equiv_constant array.
2803 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
2805 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2806 field (valnum) the first in the struct. Replace bools with
2809 2008-01-10 Richard Guenther <rguenther@suse.de>
2811 PR tree-optimization/34651
2812 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
2813 types and ordering for masking and converting.
2815 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
2817 PR tree-optimization/34017
2818 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2819 also for PHI_NODE expressions.
2821 2008-01-09 Jan Hubicka <jh@suse.cz>
2823 PR tree-optimization/34708
2824 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2825 based on number of case labels.
2826 (init_inline_once): Remove switch_cost.
2827 * tree-inline.h (eni_weights_d): Remove switch_cost.
2829 2008-01-09 Richard Guenther <rguenther@suse.de>
2830 Andrew Pinski <andrew_pinski@playstation.sony.com>
2833 * gimplify.c (gimplify_cond_expr): Do not create an addressable
2834 temporary if an rvalue is ok or an lvalue is not required.
2836 2008-01-09 Richard Guenther <rguenther@suse.de>
2839 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2842 2008-01-09 Richard Guenther <rguenther@suse.de>
2845 * tree.c (host_integerp): Check for sizetype only if the
2846 type is an integer type.
2848 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
2851 * opts.c (decode_options): Disable inlining of functions called
2852 once if not in unit-at-a-time mode.
2854 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
2856 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2858 2008-01-08 Richard Guenther <rguenther@suse.de>
2861 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2862 out early if the result will be unused.
2864 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
2869 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2870 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2873 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
2875 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2876 for vectorization tuned.
2878 2008-01-08 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/34683
2881 * tree-ssa-operands.c (operand_build_cmp): Export.
2882 * tree-ssa-operands.h (operand_build_cmp): Declare.
2883 * tree-vn.c (vuses_compare): Remove.
2884 (sort_vuses): Use operand_build_cmp.
2885 (sort_vuses_heap): Likewise.
2886 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2887 to re-use old VEC if available. Do not sort already sorted VUSEs.
2888 (vdefs_to_vec): Do not sort already sorted VDEFs.
2890 2008-01-08 Jakub Jelinek <jakub@redhat.com>
2893 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2895 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
2898 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2899 limitations of reciprocal sequences on x86 targets.
2901 2008-01-08 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/34683
2904 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2906 2008-01-07 Jakub Jelinek <jakub@redhat.com>
2909 * config/darwin.c (darwin_mergeable_string_section): Don't use
2910 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2912 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
2915 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2916 negxf2. Macroize expander using X87MODEF mode iterator. Change
2917 predicates of op0 and op1 to register_operand.
2918 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
2919 expander using X87MODEF mode iterator. Change predicates of
2920 op0 and op1 to register_operand.
2921 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2922 corresponding patterns and macroize using MODEF macro. Change
2923 predicates of op0 and op1 to register_operand and remove
2924 "m" constraint. Disparage "r" alternative with "!".
2925 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2926 macroize using X87MODEF macro. Change predicates of op0 and op1
2927 to register_operand and remove "m" constraint. Disparage "r"
2928 alternative with "!".
2929 (absneg splitter with memory operands): Remove.
2930 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2931 patterns and macroize using X87MODEF mode iterator.
2932 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2933 Change predicate of op1 to register_operand.
2934 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2935 for memory operands.
2937 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
2939 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2941 2008-01-07 Richard Guenther <rguenther@suse.de>
2943 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2946 2008-01-07 Richard Guenther <rguenther@suse.de>
2948 PR tree-optimization/34683
2949 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2950 VOPs of the needed size to save memory. Use VEC_quick_push
2951 to save compile-time.
2952 (vdefs_to_vec): Likewise.
2954 2008-01-07 Sa Liu <saliu@de.ibm.com>
2956 * config/spu/spu.md (divdf3): Genetate inline code for double
2957 division. The implementation doesn't handle INF or NAN, therefore it
2958 only applies when -ffinite-math-only is given.
2960 2008-01-06 Paolo Carlini <pcarlini@suse.de>
2963 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2964 * doc/cpp.texi ([Common Predefined Macros]): Document.
2966 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
2968 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2969 order to use commutative addition instead of subtraction.
2971 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2972 Mircea Namolaru <namolaru@il.ibm.com>
2973 Vladimir Yanovsky <yanov@il.ibm.com>
2974 Revital Eres <eres@il.ibm.com>
2976 PR tree-optimization/34263
2977 * tree-outof-ssa.c (process_single_block_loop_latch,
2978 contains_tree_r): New functions.
2979 (analyze_edges_for_bb): Call process_single_block_loop_latch
2980 function to empty single-basic-block latch block if possible.
2982 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2984 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2986 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2988 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2990 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2992 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2994 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2996 2008-01-05 Jakub Jelinek <jakub@redhat.com>
2998 PR tree-optimization/34618
2999 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3002 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
3005 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3006 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
3007 Update copyright year.
3009 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3010 Update copyright year.
3011 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3014 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
3016 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3017 edge does not point to current bb before changing need_assert.
3019 2008-01-04 Richard Guenther <rguenther@suse.de>
3022 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3023 for verifying purposes if they are is_gimple_min_invariant.
3025 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
3027 PR tree-optimization/34448
3028 PR tree-optimization/34465
3029 * gimplify.c (gimplify_init_constructor): Add new parameter
3030 notify_temp_creation. Use it.
3031 (gimplify_modify_expr_rhs): Take volatiles into account when
3032 optimizing constructors.
3033 Do not optimize constructors if gimplify_init_constructor will dump to
3035 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3036 * gcc.c-torture/compile/pr34448.c: New.
3038 2008-01-04 Jakub Jelinek <jakub@redhat.com>
3040 PR gcov-profile/34609
3041 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3042 return_slot if result is TREE_ADDRESSABLE.
3044 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
3046 * config/mips/mips.md (sqrt_condition): Tweak comment.
3047 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
3049 2008-01-03 Tom Tromey <tromey@redhat.com>
3052 * c-common.c (c_type_hash): Handle VLAs.
3054 2008-01-03 Jan Hubicka <jh@suse.cz>
3056 PR tree-optimization/31081
3057 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3058 0 when inlining and not inlining to first basic block.
3059 (remap_decl): When var is initialized to 0, don't set default_def.
3060 (expand_call_inline): Set entry_bb.
3061 * tree-inline.h (copy_body_data): Add entry_bb.
3063 2008-01-03 Jakub Jelinek <jakub@redhat.com>
3066 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3069 PR tree-optimization/29484
3070 * tree-inline.c (inline_forbidden_p_2): New function.
3071 (inline_forbidden_p): Disallow inlining if some static var
3072 has an address of a local LABEL_DECL in its initializer.
3073 * doc/extend.texi (Labels as Values): Document &&foo behaviour
3076 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
3078 PR tree-optimization/34635
3079 * tree-data-ref.c (add_other_self_distances): Make sure that the
3080 evolution step is constant.
3082 2008-01-03 Jakub Jelinek <jakub@redhat.com>
3085 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3087 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
3089 * tree-sra.c (scalarize_init): Insert the generate_element_init
3090 statements after the generate_element_zero statements.
3092 2008-01-02 Richard Guenther <rguenther@suse.de>
3096 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3097 for very large number of operands instead of ICEing.
3099 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
3102 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3103 while stack probing.
3105 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
3107 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3110 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
3113 * tree-mudflap.c (mx_register_decls): Guard warning by
3114 !DECL_ARTIFICIAL check.
3116 2008-01-01 Jakub Jelinek <jakub@redhat.com>
3118 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3119 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3120 sse5_perm<mode>): Fix constraints.