1 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
3 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
5 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
7 PR tree-optimization/14784
8 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
10 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
12 Merge from gimple-tuples-branch.
14 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
16 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
18 (s390_gimplify_va_arg): Same.
19 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
20 * config/sh/sh.c (sh_va_start): Same.
21 (sh_gimplify_va_arg_expr): Same.
22 * config/xtensa/xtensa.c (xtensa_va_start): Same.
23 (xtensa_gimplify_va_arg_expr): Same.
24 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
25 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
26 * config/mips/mips.c (mips_va_start): Same.
27 (mips_gimplify_va_arg_expr): Same.
29 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
31 * Merge from mainline at revision 119445.
33 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
35 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
37 (spu_gimplify_va_arg_expr): Same.
39 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
41 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
42 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
43 (xstormy16_expand_builtin_va_arg): Same.
45 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
47 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
48 to GIMPLE_MODIFY_STMT.
50 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
52 * config/alpha/alpha.c (va_list_skip_additions): Change all
53 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
54 (alpha_va_start): Same.
55 (alpha_gimplify_va_arg_1): Same.
56 (alpha_gimplify_va_arg): Same.
58 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
60 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
62 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
64 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
65 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
67 * tree-complex.c: Same.
68 * tree-pretty-print.c: Same.
73 * tree-ssa-dom.c: Same.
74 * tree-ssa-propagate.c: Same.
75 * tree-ssa-alias.c: Same.
78 * c-pretty-print.c: Same.
80 * tree-inline.c: Same.
81 * tree-outof-ssa.c: Same.
82 * tree-ssa-structalias.c: Same.
83 * tree-ssa-reassoc.c: Same.
86 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
88 * tree.c (build2_stat): Fix comment.
90 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
92 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
93 TREE_OPERAND when appropriate.
95 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
97 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
98 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
99 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
100 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
101 not handle GIMPLE_MODIFY_STMT in the switch statement.
102 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
103 (java_gimplify_new_array_init): Same.
105 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
107 * gimplify.c (gimplify_omp_for): Allow gimple statements.
108 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
109 * fold-const.c (fold_binary): Allow gimple statements.
111 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
112 Rename from gfc_conv_descriptor_data_set.
113 Call gfc_add_modify instead of gfc_add_modify_expr.
114 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
115 Rename from gfc_conv_descriptor_data_set.
116 (gfc_conv_descriptor_data_set): New macro.
117 (gfc_conv_descriptor_data_set_tuples): New macros.
118 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
119 gfc_conv_descriptor_data_set_tuples.
120 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
121 Generate GIMPLE_MODIFY_STMT when appropriate.
122 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
123 (gfc_add_modify_expr): New macro.
124 (gfc_add_modify_stmt): New macro.
125 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
127 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
129 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
130 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
133 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
135 * Merge from mainline at revision 118200.
137 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
139 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
142 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
144 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
146 Also, add __extension__ to GCC versions.
147 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
148 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
151 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
153 * tree-complex.c (expand_complex_libcall): Adjust for
155 (expand_complex_comparison): Same.
156 * tree-pretty-print.c (dump_generic_node): Is_expr should include
157 GIMPLE_STMT_P statements.
158 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
160 (tree_mod_pow2_value_transform): Same.
161 (tree_mod_subtract_transform): Same.
162 * tree.c (build2_stat): Check for gimplified function in cfun.
163 * tree.h (DECL_GIMPLIFIED): Delete.
164 (struct tree_function_decl): Remove gimplified_flag.
165 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
166 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
167 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
168 (cxx_omp_clause_copy_ctor): Same.
169 (cxx_omp_clause_assign_op): Same.
170 * c-pretty-print.c (pp_c_conditional_expression): Same.
171 (pp_c_expression): Same.
172 * langhooks.c (lhd_omp_predetermined_sharing): Same.
173 * function.h (struct function): Add gimplified field.
174 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
176 (find_phi_replacement_condition): Same.
177 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
178 (gimplify_modify_expr_to_memset): Same.
179 (gimplify_init_ctor_eval_range): Same.
180 (gimplify_modify_expr_complex_part): Same.
181 (tree_to_gimple_tuple): Same.
182 (gimplify_modify_expr): Same.
183 (gimple_push_cleanup): Same.
184 (gimplify_omp_for): Same.
185 (gimplify_omp_atomic_pipeline): Same.
186 (gimplify_omp_atomic_mutex): Same.
187 (gimplify_expr): Same.
188 (gimplify_one_sizepos): Same.
189 (gimplify_function_tree): Same.
190 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
191 (vect_recog_widen_sum_pattern): Same.
192 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
193 (vect_create_epilog_for_reduction): Same.
194 (vectorizable_reduction): Same.
196 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
198 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
199 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
200 (ifc_temp_var): Same.
201 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
202 for gimple statements.
203 (vect_analyze_operations): Same.
204 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
205 * gimplify.c (gimplify_return_expr): Handle gimple statements.
206 * lambda-code.c (can_put_in_inner_loop): Same.
207 (can_put_after_inner_loop): Same.
208 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
209 (vect_create_data_ref_ptr): Same.
210 (vect_init_vector): Same.
211 (vect_get_vec_def_for_operand): Same.
212 (vect_create_epilog_for_reduction): Same.
213 (vectorizable_reduction): Same.
214 (vectorizable_assignment): Same.
215 (vectorizable_operation): Same.
216 (vectorizable_load): Same.
217 (vectorizable_condition): Same.
218 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
219 (rs6000_gimplify_va_arg): Same.
221 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
223 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
225 (simplify_abs_using_ranges): Same.
226 * tree-complex.c (expand_complex_operations_1): Use
227 PROTECTED_TREE_OPERAND.
228 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
230 (get_val_for): Use GIMPLE_STMT_OPERAND.
231 * tree-tailcall.c (adjust_accumulator_values): Same.
232 (adjust_return_value): Same.
233 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
234 case. Remove special case for tcc_gimple_stmt.
235 * tree.h (CAN_HAVE_LOCATION_P): New.
236 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
238 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
240 * tree-nrv.c (execute_return_slot_opt): Same.
241 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
242 * tree-vn.c (set_value_handle): Same.
243 (get_value_handle): Same.
244 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
245 * tree-vectorizer.c (find_loop_location): Same.
246 * c-typeck.c (c_process_expr_stmt): Same.
247 (c_finish_stmt_expr): Same.
248 * gimplify.c (should_carry_locus_p): Same.
249 (tree_to_gimple_tuple): Delete definition and use of unecessary
250 variable save_tree_block.
251 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
252 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
253 (realify_fake_stores): Same.
254 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
256 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
257 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
258 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
259 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
260 (c_parser_statement_after_labels): Same.
261 (c_parser_paren_condition): Same.
262 (c_parser_for_statement): Same.
263 (c_parser_omp_for_loop): Same.
264 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
265 (linearize_expr_tree): Same.
266 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
267 * function.c (instantiate_expr): Same.
269 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
271 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
272 (set_expr_location): Same.
274 (set_expr_locus): Same.
275 (expr_filename): Same.
277 (tree_block): Use GIMPLE_STMT_BLOCK.
278 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
279 * tree.h (struct gimple_stmt): Remove prev and next.
280 (GIMPLE_STMT_OPERAND_CHECK): New.
281 (TREE_TO_GIMPLE_STMT): Delete.
282 (GIMPLE_STMT_TO_TREE): Delete.
283 (GIMPLE_STMT_OPERAND): Use union, not cast.
284 (GIMPLE_STMT_LOCUS): New.
285 (GIMPLE_STMT_BLOCK): New.
286 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
288 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
290 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
292 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
294 * tree-tailcall.c (adjust_return_value): Same.
295 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
296 (copy_node_stat): Change common.base to base.
297 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
298 Remove GIMPLE_STATEMENT_LIST case.
299 * tree.h (struct gimple_stmt): Make operands of type tree.
300 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
301 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
302 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
303 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
304 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
305 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
306 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
307 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
308 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
309 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
310 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
311 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
312 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
313 Change common.base to base.
314 (GIMPLE_STATEMENT_LIST*): Remove.
315 (union tree_node): Add base. Remove gimple_statement_list.
316 Remove pointer from gstmt.
317 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
318 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
319 * tree-vn.c (vn_compute): Change common.base to base.
320 * tree-eh.c (verify_eh_throw_stmt_node): Same.
321 * tree-flow-inline.h (var_ann): Same.
322 (function_ann): Same.
324 (mark_non_addressable): Same.
325 * gimplify.c (tree_to_gimple_tuple): Same.
326 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
327 * tree-dfa.c (create_var_ann): Change common.base to base.
328 (create_function_ann): Same.
329 (create_stmt_ann): Same.
330 (create_tree_ann): Same.
331 (collect_dfa_stats_r): Same.
332 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
333 * tree-ssa-dce.c (NECESSARY): Same.
334 * tree-ssa.c (delete_tree_ssa): Same.
335 * tree-optimize.c (execute_free_cfg_annotations): Same.
338 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
340 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
341 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
343 * tree.h (struct gimple_stmt): Add prev and next fields.
344 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
345 (GIMPLE_STATEMENT_LIST_HEAD): New.
346 (GIMPLE_STATEMENT_LIST_TAIL): New.
347 (struct gimple_statement_list): New.
348 (union tree_node): Add gimple_stmt_list and gstmt.
349 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
350 * tree.def: Add GIMPLE_STATEMENT_LIST.
352 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
354 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
355 * tree-vrp.c (build_assert_expr_for): Change uses of
356 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
357 (find_assert_locations): Same.
358 (remove_range_assertions): Same.
359 (stmt_interesting_for_vrp): Same.
360 (vrp_visit_assignment): Same.
361 (vrp_visit_stmt): Same.
362 (simplify_cond_using_ranges): Same.
363 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
365 * tree-ssa-loop-im.c (movement_possibility): Change uses of
366 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
368 (determine_invariantness_stmt): Same.
370 (gather_mem_refs_stmt): Same.
371 * tree-complex.c (init_dont_simulate_again): Same.
372 (complex_visit_stmt): Same.
373 (set_component_ssa_name): Same.
374 (expand_complex_move): Same.
375 (expand_complex_div_wide): Same.
376 (expand_complex_comparison): Same.
377 (expand_complex_operations_1): Same.
378 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
379 (chain_of_csts_start): Same.
380 (infer_loop_bounds_from_undefined): Same.
381 * tree-pretty-print.c (dump_generic_node): Same.
384 * tree-ssa-loop-manip.c (create_iv): Same.
385 * value-prof.c (tree_divmod_fixed_value): Same.
386 (tree_divmod_fixed_value_transform): Same.
387 (tree_mod_pow2): Same.
388 (tree_mod_pow2_value_transform): Same.
389 (tree_mod_subtract): Same.
390 (tree_mod_subtract_transform): Same.
391 (tree_divmod_values_to_profile): Same.
392 * tree-tailcall.c (process_assignment): Same.
393 (find_tail_calls): Same.
394 (adjust_accumulator_values): Same.
395 (adjust_return_value): Same.
396 (eliminate_tail_call): Same.
397 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
398 (make_node_stat): Same.
399 (copy_node_stat): Handle gimple tuples.
400 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
401 (tree_node_structure): Handle tcc_gimple_stmt.
402 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
404 (build2_gimple_stat): New.
405 (expr_location): New.
406 (set_expr_location): New.
407 (expr_has_location): New.
409 (set_expr_locus): New.
410 (expr_filename): New.
412 (walk_tree): Handle tcc_gimple_stmt.
414 (protected_tree_operand): New.
415 (protected_tree_type): New.
416 (tree_code_kind): Add gimple statements.
417 * tree.h (tree_code_class): Add tcc_gimple_stmt.
418 (IS_GIMPLE_STMT_CODE_CLASS): New.
419 (struct tree_base): New.
420 (struct tree_common): Shrink.
421 (struct gimple_stmt): New.
422 (struct gimple_expr): New.
423 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
424 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
425 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
426 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
427 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
428 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
429 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
430 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
431 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
432 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
433 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
434 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
435 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
436 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
437 Adjust for new `common' layout.
438 (struct tree_function_decl): Add gimplified_flag.
439 (DECL_GIMPLIFIED): NEW.
440 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
441 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
442 EXPR_HAS_LOCATION): Call corresponding function.
443 (GIMPLE_STMT_CHECK): New.
444 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
445 (TREE_BLOCK): Call tree_block.
446 (GIMPLE_STMT_P): New.
447 (GIMPLE_TUPLE_P): New.
448 (TREE_TO_GIMPLE_STMT): New.
449 (GIMPLE_STMT_TO_TREE): New.
450 (GIMPLE_STMT_OPERAND): New.
451 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
452 (PROTECTED_TREE_OPERAND): New.
453 (PROTECTED_TREE_TYPE): New.
454 (build2_gimple_stat): Protoize.
455 (build2_gimple): New.
456 (expr_location): Protoize.
457 (set_expr_location): Protoize.
458 (expr_has_location): Protoize.
459 (expr_locus): Protoize.
460 (set_expr_locus): Protoize.
461 (expr_filename): Protoize.
462 (expr_lineno): Protoize.
463 (tree_block): Protoize.
464 (protected_tree_operand): Protoize.
465 (protected_tree_type): Protoize.
466 (enum tree_node_kind): Add gimple_stmt_kind.
467 * c-decl.c (union lang_tree_node): Tuples do not have a
469 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
470 GIMPLE_MODIFY_STMT and adjust accordingly.
471 * tree-scalar-evolution.c (follow_ssa_edge): Same.
472 (interpret_condition_phi): Same.
473 (pointer_used_p): Same.
474 (analyze_scalar_evolution_1): Same.
475 (scev_const_prop): Same.
476 (interpret_rhs_modify_stmt): Rename from
477 interpret_rhs_modify_expr.
478 * builtins.c (std_expand_builtin_va_start): Change uses of
479 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
480 (std_gimplify_va_arg_expr): Same.
481 (expand_builtin_va_copy): Same.
482 (integer_valued_real_p): Same.
483 * fold-const.c (maybe_lvalue_p): Same.
485 (tree_expr_nonnegative_p): Same.
486 (tree_expr_nonzero_p): Same.
487 * omp-low.c (extract_omp_for_data): Same.
488 (lower_rec_input_clauses): Same.
489 (lower_reduction_clauses): Same.
490 (lower_copyprivate_clauses): Same.
491 (lower_send_clauses): Same.
492 (lower_send_shared_vars): Same.
493 (expand_parallel_call): Same.
494 (expand_omp_parallel): Same.
495 (expand_omp_for_generic): Same.
496 (expand_omp_for_static_nochunk): Same.
497 (expand_omp_for_static_chunk): Same.
498 (expand_omp_sections): Same.
499 (lower_omp_single_copy): Same.
500 (lower_omp_parallel): Same.
501 * tree-ssa-dse.c (memory_address_same): Same.
502 (dse_optimize_stmt): Same.
503 * ipa-reference.c (scan_for_static_refs): Same.
504 * tree-gimple.c (is_gimple_reg_rhs): Same.
505 (get_call_expr_in): Same.
506 (recalculate_side_effects): Same.
507 * cgraphunit.c (cgraph_create_edges): Same.
508 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
509 * tree-ssa-ccp.c (get_default_value): Same.
510 (likely_value): Same.
511 (visit_assignment): Same.
512 (ccp_visit_stmt): Same.
513 (get_maxval_strlen): Same.
514 (ccp_fold_builtin): Same.
515 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
516 (find_givs_in_stmt): Same.
517 (find_interesting_uses_op): Same.
518 (find_interesting_uses_stmt): Same.
519 (rewrite_use_nonlinear_expr): Same.
520 * ipa-pure-const.c (scan_function): Same.
521 * tree-stdarg.c (va_list_counter_bump): Same.
522 (check_all_va_list_escapes): Same.
523 (execute_optimize_stdarg): Same.
524 * tree-ssa-math-opts.c (compute_merit): Same.
525 (insert_reciprocals): Same.
526 (execute_cse_reciprocals): Same.
527 * tree-ssa-dom.c (initialize_hash_element): Same.
528 (simple_iv_increment_p): Same.
529 (record_equivalences_from_stmt): Same.
530 (optimize_stmt): Same.
531 (remove_stmt_or_phi): Same.
532 (get_rhs_or_phi_arg): Same.
533 (get_lhs_or_phi_result): Same.
534 (propagate_rhs_into_lhs): Same.
535 * tree-nrv.c (tree_nrv): Same.
536 (execute_return_slot_opt): Same.
537 * tree-ssa-propagate.c (get_rhs): Same.
539 (stmt_makes_single_load): Same.
540 (stmt_makes_single_store): Same.
541 (replace_vuses_in): Same.
542 (fold_predicate_in): Same.
543 (substitute_and_fold): Same.
544 * tree-ssa-alias.c (compute_call_clobbered): Same.
545 (recalculate_used_alone): Same.
546 (count_uses_and_derefs): Same.
547 (is_escape_site): Same.
548 (find_used_portions): Same.
549 * gimple-low.c (lower_stmt): Same.
550 (block_may_fallthru): Same.
551 (lower_return_expr): Same.
552 * tree-ssa-sink.c (is_hidden_global_store): Same.
553 (statement_sink_location): Same.
554 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
555 * expr.c (safe_from_p): Same.
556 (expand_expr_real): Same.
557 (expand_expr_real_1): Same.
558 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
559 * predict.c (expr_expected_value): Same.
560 (strip_builtin_expect): Same.
561 (apply_return_prediction): Same.
562 (tree_bb_level_predictions): Same.
563 (tree_estimate_probability): Same.
564 * tree-vn.c (vn_compute): Same.
565 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
566 (remove_stmt_from_eh_region_fn): Same.
567 (do_return_redirection): Same.
568 (honor_protect_cleanup_actions): Same.
569 (lower_try_finally_switch): Same.
570 (lower_eh_constructs_1): Same.
571 (tree_could_throw_p): Same.
572 (verify_eh_throw_stmt_node): Same.
573 * function.c (gimplify_parameters): Same.
574 * tree-vectorizer.c (vect_is_simple_use): Same.
575 (vect_is_simple_reduction): Same.
576 * ipa-type-escape.c (scan_for_refs): Same.
577 * tree-if-conv.c (tree_if_conversion): Same.
578 (tree_if_convert_stmt): Same.
579 (if_convertible_gimplify_modify_stmt_p): Rename from
580 if_convertible_modify_expr_p.
581 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
582 (ifc_temp_var): Same.
583 (replace_phi_with_cond_modify_stmt): Rename from
584 replace_phi_with_cond_modify_expr.
585 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
586 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
587 * tree-data-ref.c (find_data_references_in_loop): Adjust for
589 * tree-flow-inline.h (var_ann): Same.
590 (function_ann): Same.
592 (mark_non_addressable): Same.
593 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
594 * gimplify.c (tree_to_gimple_tuple): New.
595 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
596 (gimplify_return_expr): Same.
597 (gimplify_decl_expr): Same.
598 (gimplify_self_mod_expr): Same.
599 (gimplify_cond_expr): Same.
600 (gimplify_init_constructor): Same.
601 (gimplify_modify_expr): Same.
602 (gimplify_expr): Same.
603 (gimplify_function_tree): Same.
604 (force_gimple_operand): Same.
605 * tree-ssa-phiopt.c (conditional_replacement): Same.
606 (minmax_replacement): Same.
607 (abs_replacement): Same.
608 * tree-dfa.c (create_var_ann): Same.
609 (create_function_ann): Same.
610 (create_stmt_ann): Same.
611 (create_tree_ann): Same.
612 (collect_dfa_stats_r): Same.
613 * tree-ssa-pre.c (find_or_generate_expression): Same.
614 (create_expression_by_pieces): Same.
615 (try_look_through_load): Same.
616 (insert_fake_stores): Same.
617 (realify_fake_stores): Same.
618 (compute_avail): Same.
621 (poolify_modify_stmt): Rename from poolify_modify_stmt.
622 Adjust for GIMPLE_MODIFY_STMT.
623 (NECESSARY): Adjust for new `common' layout.
624 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
626 * tree-sra.c (sra_walk_modify_stmt): Rename from
627 sra_walk_modify_expr.
628 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
629 (generate_copy_inout): Same.
630 (generate_element_copy): Same.
631 (generate_element_zero): Same.
632 (scalarize_copy): Same.
633 * tree-mudflap.c (mf_decl_cache_locals): Same.
634 (mf_build_check_statement_for): Same.
635 (mf_xform_derefs): Same.
636 * ipa-prop.c (ipa_method_modify_stmt): Same.
637 * print-tree.c (print_node): Handle gimple tuples.
638 Add case for tcc_gimple_stmt.
639 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
641 (copy_prop_visit_assignment): Same.
642 (copy_prop_visit_stmt): Same.
643 (init_copy_prop): Same.
644 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
645 (forward_propagate_into_cond_1): Same.
646 (find_equivalent_equality_comparison): Same.
647 (tidy_after_forward_propagate_addr): Same.
648 (forward_propagate_addr_expr_1): Same.
649 (simplify_not_neg_expr): Same.
650 (simplify_switch_expr): Same.
651 * tree-ssa-dce.c (find_pdom): Same.
652 (mark_stmt_if_obviously_necessary): Same.
653 (NECESSARY): Adjust for new `common' layout.
655 * tree-vect-patterns.c (widened_name_p): Adjust for
657 (vect_recog_dot_prod_pattern): Same.
658 (vect_recog_widen_sum_pattern): Same.
659 (vect_pattern_recog_1): Same.
660 * tree-nested.c (init_tmp_var): Same.
661 (save_tmp_var): Same.
663 (convert_call_expr): Same.
664 (finalize_nesting_tree_1): Same.
665 * tree-ssa.c (verify_ssa): Same.
666 (delete_tree_ssa): Same.
667 * lambda-code.c (lbv_to_gcc_expression): Same.
668 (lle_to_gcc_expression): Same.
669 (lambda_loopnest_to_gcc_loopnest): Same.
670 (can_put_in_inner_loop): Same.
671 (can_convert_to_perfect_nest): Same.
672 (perfect_nestify): Same.
673 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
674 * tree-inline.c (copy_body_r): Same.
675 (setup_one_parameter): Same.
676 (initialize_inlined_parameters): Same.
677 (estimate_num_insns_1): Same.
678 (expand_call_inline): Same.
679 (gimple_expand_calls_inline): Same.
681 * tree-optimize.c (execute_free_cfg_annotations): Same.
682 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
683 (vect_align_data_ref): Same.
684 (vect_create_data_ref_ptr): Same.
685 (vect_init_vector): Same.
686 (vect_create_epilog_for_reduction): Same.
687 (vectorizable_reduction): Same.
688 (vectorizable_assignment): Same.
689 (vectorizable_operation): Same.
690 (vectorizable_store): Same.
691 (vectorizable_load): Same.
692 (vectorizable_live_operation): Same.
693 (vectorizable_condition): Same.
694 (vect_generate_tmps_on_preheader): Same.
695 (vect_create_cond_for_align_checks): Same.
696 * tree-object-size.c (collect_object_sizes_for): Same.
697 (check_for_plus_in_loops_1): Same.
698 (check_for_plus_in_loops): Same.
699 * tree-outof-ssa.c (insert_copy_on_edge): Same.
700 (replace_use_variable): Same.
701 (check_replaceable): Same.
702 (rewrite_trees): Same.
703 (identical_copies_p): Same.
704 (insert_backedge_copies): Same.
705 * tree-profile.c (tree_gen_edge_profiler): Same.
706 * tree-vect-generic.c (expand_vector_operations_1): Same.
707 * tree-ssa-structalias.c (update_alias_info): Same.
708 (find_func_aliases): Same.
709 * tree-cfg.c (factor_computed_gotos): Same.
711 (make_goto_expr_edges): Same.
712 (tree_merge_blocks): Same.
713 (remove_useless_stmts_cond): Same.
714 (remove_useless_stmts_1): Same.
715 (tree_find_edge_insert_loc): Same.
717 (gimplify_val): Same.
718 (verify_gimple_tuples_1): New.
719 (verify_gimple_tuples): New.
720 (verify_stmts): Call verify_gimple_tuples.
721 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
722 (get_unary_op): Same.
723 (linearize_expr): Same.
724 (get_single_immediate_use): Same.
725 (negate_value): Same.
726 (should_break_up_subtract): Same.
727 (break_up_subtract): Same.
728 (repropagate_negates): Same.
729 (break_up_subtract_bb): Same.
730 (reassociate_bb): Same.
731 * config/i386/i386.c (ix86_va_start): Same.
732 (ix86_gimplify_va_arg): Same.
733 * stmt.c (expand_expr_stmt): Same.
734 (warn_if_unused_value): Same.
735 (expand_return): Same.
736 * tree-ssanames.c (make_ssa_name): Same.
737 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
738 * tree-ssa-operands.c (finalize_ssa_defs): Same.
739 (add_virtual_operand): Same.
740 (get_expr_operands): Same.
741 (parse_ssa_operands): Same.
742 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
744 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
746 * config.host: Remove extra blank line.
748 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
750 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
751 target is also an x86 variant.
753 2006-12-05 Richard Guenther <rguenther@suse.de>
755 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
756 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
757 (ix86_builtin_vectorized_function): New function to vectorize
760 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
762 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
763 ia64_override_options.
765 2006-12-04 Jan Hubicka <jh@suse.cz>
767 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
770 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
772 * rtlanal.c (note_uses): Deal with SEQUENCEs.
773 * config/bfin/bfin.c: Include "timevar.h".
774 (bfin_flag_schedule_insns2, splitting_for_sched,
775 bfin_flag_var_tracking): New variables.
776 (print_operand): Handle '%!'.
777 (override_options): Disable normal sched2 pass, instead set
778 bfin_flag_schedule_insns2 for reorg to handle it.
779 (output_file_start): Likewise for var-tracking.
780 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
781 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
783 (bfin_reorg): Do second scheduling pass here, and call
784 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
785 of examining insns directly. If bfin_flag_var_tracking, call
786 var-tracking pass when done with everything else.
787 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
788 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
789 (movsi_insn32): New pattern, with two new splits to create it
790 before the final scheduling pass.
791 (neghi2): Not a dsp32 insn, rather alu0.
792 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
793 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
794 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
795 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
796 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
797 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
798 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
799 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
800 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
801 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
802 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
803 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
804 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
805 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
806 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
807 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
808 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
809 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
810 variants instead of ';'.
811 (ror_one, rol_one): Likewise. Make them dsp32 insns.
812 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
813 (align8, align16, align24): Now named patterns; also using '%!'.
816 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
818 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
819 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
821 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
823 * config/spu/spu-protos.c (spu_split_address): Add.
824 * config/spu/spu.c (spu_split_address): Add.
825 (print_operand): Handle HIGH.
826 (spu_legitimate_address): Don't test for aligned CONST.
827 (spu_expand_mov): Don't split addresses here.
828 * config/spu/constraints.md (A): Don't test legitimate_const.
829 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
830 (ceq_di): Use correct predicates.
832 2006-12-04 Eric Christopher <echristo@apple.com>
834 * config/darwin.h: Update copyright notice.
835 * config/i386/darwin.h: Ditto.
837 2006-12-04 Jan Hubicka <jh@suse.cz>
839 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
840 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
842 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
844 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
846 * tree-ssa-structalias.c (set_used_smts): Export.
847 (find_what_p_points_to): Don't call set_used_smts here.
848 * tree-ssa-structalias.h (set_used_smts): Add prototype.
850 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
852 * tree-ssa-alias.c (compute_may_aliases):
853 Compute flow sensitive before flow insensitive.
854 (compute_flow_sensitive_aliasing): Don't try to add
855 a symbol memory tag to itself.
857 * alias.h (alias_set_subset_of): New prototype.
859 * alias.c (alias_set_subset_of): New function.
861 * tree-ssa-structalias.c: Update comments.
862 (struct variable_info): Add finished_solution.
863 (new_varinfo): Set finished solution to NULL.
864 (var_escaped_vars): Remove.
865 (escaped_vars_tree): Remove.
866 (escaped_vars_id): Remove.
867 (nonlocal_vars_id): Remove.
868 (constraint_expr_type): Add INCLUDES.
869 (graph_size): Removed.
870 (dump_constraint): Support INCLUDES.
871 (build_constraint_graph): Ditto.
872 (collapse_nodes): Add merge_solutions argument.
873 Don't merge attributes.
874 (process_unification_queue): Just use collapse_nodes.
875 (perform_var_substitution): Update call to collapse_nodes.
876 (get_constraint_exp_from_ssa_var): Use INCLUDES.
877 (process_constraint): Fix non-field sensitive handling
879 (get_constraint_for): Use INCLUDES.
880 (make_constraint_from_anything): Renamed from
881 make_constraint_from_escaped.
882 (make_constraint_to_escaped): Removed.
883 (find_global_initializers): Removed.
884 (create_variable_info_for): Do not make constraints to escaped
886 (dump_solution_for_var): Don't print out the equivalent points-to
887 sets, just use the name of the variable it shares it with.
888 (intra_create_variable_infos): Use INCLUDES.
889 Change nonlocal variable sets to anything sets.
890 (init_base_vars): Remove escaped_vars and nonlocal_var
892 (find_escape_constraints): Removed.
893 (delete_points_to_sets): Remove dead code.
894 (used_smt_calculated): New variable.
895 (set_used_smts): New function.
896 (merge_smts_into): New function.
897 (find_what_p_points_to): Modify to use SMTs.
898 (create_nonlocal_var): Remove.
900 * tree-ssa-operands.c (access_can_touch_variable): Remove
901 reference to nonlocal_all.
903 * tree-ssa.c (verify_name_tags): Remove.
905 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
907 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
908 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
910 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
912 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
913 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
914 (add_livein_if_notdef): Delete.
915 (loe_visit_block): New. Propogate live on entry info for a block into
916 each predecessor. If it changes, make sure it is visited again.
917 (live_worklist): Visit every block and update the live on entry info
918 for preds. Iterate over any that changed.
919 (set_var_live_on_entry): Populate the live on entry blocks with bits
920 based on the immediate uses of a var.
921 (calculate_live_on_entry): Remove.
922 (calculate_live_on_exit): Calculate live on exit based on the newly
923 oriented live on entry bits.
924 (calculate_live_ranges): Build live on entry and exit vectors.
925 (dump_live_info): Use new orientation of live on entry bitmaps.
926 (verify_live_on_entry): New. Split out verification code from old
927 calculate_live_on_entry routine.
928 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
929 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
930 basic_block instead of for a partition.
931 (live_merge_and_clear): Add asserts.
932 (make_live_on_entry): Set partition bit in basic block vector.
934 2006-12-04 Jakub Jelinek <jakub@redhat.com>
937 * omp-low.c (expand_omp_for_static_nochunk,
938 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
942 * omp-low.c (determine_parallel_type): Don't try to optimize combined
943 parallels if region->exit or region->inner->exit is NULL.
944 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
946 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
947 (expand_omp_for): Use expand_omp_for_generic if either region->cond
948 or region->exit is NULL.
949 (expand_omp_sections): Handle NULL region->cond or region->exit.
952 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
954 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
955 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
957 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
959 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
960 TYPE_MAX_VALUE for scalar types here but...
961 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
962 is attached an error mark, and the return value of the callback
963 if it is not NULL_TREE.
965 2006-12-04 Ben Elliston <bje@au.ibm.com>
967 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
969 2006-12-03 Eric Christopher <echristo@apple.com>
972 * config/t-slibgcc-darwin: Pass -install_name.
973 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
974 libtool. Only pass through options that the linker recognizes.
975 (LINK_SPEC): Update comment. Translate options.
976 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
977 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
979 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
981 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
983 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
986 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
987 operands[1] in insn constraint. Correct type attribute to sselog1.
989 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
992 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
994 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
997 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
998 -march=native if there is no -mtune=*.
1000 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1003 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1005 * doc/install.texi: Update recommended MPFR version. Remove
1006 obsolete reference to cumulative patch.
1008 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1011 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1013 2006-11-30 Jan Hubicka <jh@suse.cz>
1014 Uros Bizjak <ubizjak@gmail.com>
1016 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1017 32bit memcpy/memset decriptors.
1018 (decide_alg): With -minline-all-stringops and sizes that are best
1019 to be copied via libcall still work hard enough to pick non-libcall
1022 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1024 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1026 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1027 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1028 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1029 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1030 config/spu/spu-c.c, config/spu/spu-modes.def,
1031 config/spu/spu.c, config/spu/spu.md,
1032 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1033 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1034 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1035 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1036 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1037 spelling conventions.
1039 * config/i386/i386.c: Fix a comment typo.
1041 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1043 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1044 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1045 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1046 better optimization.
1047 (floatv4siv4sf2): New.
1048 (fix_truncv4sfv4si2): New.
1049 (floatunsv4siv4sf2): New.
1050 (fixuns_truncv4sfv4si2): New.
1058 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1059 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1060 spu_resolve_overloaded_builtin instead of static inline functions.
1062 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1064 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1065 type instead of the size of its mode to compute the highest and
1066 lowest possible values. Still check the size of the mode before
1067 flipping the signedness of the comparison.
1069 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1071 * config/spu/predicates.md (spu_mov_operand): Add.
1072 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1073 (print_operand_address, print_operand): Handle addresses containing AND.
1074 (spu_split_load, spu_split_store): Use updated movti pattern.
1075 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1076 stores in mov patterns for correct operation of reload.
1077 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1079 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1082 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1084 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1086 * common.opt (ftree-combine-temps): Remove.
1087 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1088 (coalesce_ssa_name): Don't check for combine-temps.
1089 (coalesce_vars): Remove.
1090 (check_replaceable): Use num_imm_uses.
1091 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1092 check for combine-temps.
1093 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1094 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1095 to register_ssa_partition calls.
1096 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1097 (init_var_map, delete_var_map): remove refernces to ref_count.
1098 (create_ssa_var_map): Never calculate a ref count.
1099 (type_var_init): Remove.
1100 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1101 (SSA_VAR_MAP_REF_COUNT): Delete.
1102 (create_ssa_var_map): Change Prototype to have no parameters.
1103 (version_ref_count): Delete.
1104 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1106 (type_var_num, type_var, type_var_first_partition,
1107 type_var_next_partition, type_var_dump, type_var_delete,
1108 type_var_remove_partition, type_var_find, type_var_compact,
1109 type_var_decompact): Remove.
1111 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1113 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1116 2006-12-01 Richard Guenther <rguenther@suse.de>
1119 * dwarf2out.c (struct pubname_struct): Make name const.
1120 (add_pubtype): Do not xstrdup identifiers.
1122 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1124 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1125 multiword accesses are in range.
1127 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1129 PR tree-optimization/29921
1130 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1131 (set_lattice_value): Use canonicalize_float_value.
1133 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1135 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1136 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1137 (spu_cpu_cpp_builtins): Remove.
1138 (spu_override_options): Don't set warn_main.
1139 (spu_force_reg): Move from spu-c.c.
1140 (spu_check_builtin_parm): Likewise.
1141 (expand_builtin_args): Likewise.
1142 (spu_expand_builtin_1): Likewise.
1143 (spu_expand_builtin): Likewise.
1144 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1145 warn_main and targetm.resolve_overloaded_builtin.
1146 * config/spu/spu-c.c (spu_builtin_range): Remove.
1147 (spu_check_builtin_parm): Remove.
1148 (expand_builtin_args): Remove.
1149 (spu_expand_builtin_1): Remove.
1150 (spu_expand_builtin): Remove.
1151 (spu_cpu_cpp_builtins): Moved from spu.c
1152 (spu_force_reg): Remove.
1154 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1155 David Edelsohn <edelsohn@gnu.org>
1158 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1159 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1160 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1161 HARD_REGNO_NREGS_WITH_PADDING): Define.
1162 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1163 HARD_REGNO_NREGS_WITH_PADDING): Define.
1164 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1165 Use new macros to detect modes with holes; do not look at integer
1167 (subreg_offset_representable_p): Check for and disallow cases
1168 where the modes use different numbers of bits from registers.
1169 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1170 constant for soft-float.
1171 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1173 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1174 in E500 double case.
1175 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1176 (movtf_softfloat): New.
1178 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1180 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1181 simplify_gen_subreg.
1183 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1185 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1186 (COALESCE_HASH_FN): New. Define hash function.
1187 (partition_pair_map_hash): New. Hash value for a partition pair.
1188 (partition_pair_map_eq): New. Equality for hash pairs.
1189 (create_coalesce_list): Create hash table.
1190 (delete_coalesce_list): Free hash table.
1191 (find_partition_pair): Find/create pairs in hash table.
1192 (compare_pairs): Sort pairs in ascending order now.
1193 (num_coalesce_pairs): New. Number of pairs in hash table.
1194 (struct partition_pair_iterator): Iterator struct for pair table.
1195 (first_partition_pair): Iterator function for first pair.
1196 (end_partition_pair_p): Iterator function for end of iteration.
1197 (next_partition_pair): Iterator function for next pair.
1198 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1199 (sort_coalesce_list): Sort pairs from hash table into an array.
1200 (pop_best_coalesce): Take pairs from the array.
1201 (dump_coalesce_list): Update to use hash table or sorted array.
1202 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1203 (struct coalesce_list_d): Add hash table related fields.
1205 2006-11-30 Jan Hubicka <jh@suse.cz>
1208 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1209 memmove/bcopy->memcpy conversion.
1211 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1213 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1214 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1215 Default is the largest alignment supported for 32-bit ELF and
1216 representable on a 32-bit host.
1218 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1220 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1222 2006-11-30 Jan Hubicka <jh@suse.cz>
1224 * tree-ssa-operands.h (struct ssa_operands): New.
1225 * tree-flow-inline.h (gimple_ssa_operands): New function.
1226 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1227 * Makefile.in: Remove gt-tree-ssa-operands.h
1228 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1229 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1230 operand_memory, operand_memory_index, ops_active): Remove statics.
1231 (ALLOC_OPTYPE): Update.
1232 (operand_build_sort_virtual): Update.
1233 (ssa_operands_active): Update.
1234 (init_ssa_operands): Update.
1235 (fini_ssa_operands): Update.
1236 (ssa_operand_alloc): Update.
1237 (INITIALIZE_USE): Update.
1238 (finalize_ssa_use_ops): Update.
1239 (finalize_ssa_v_may_def_ops): Update.
1240 (finalize_ssa_vuse_ops): Update.
1241 (finalize_ssa_v_must_def_ops): Update.
1243 2006-11-30 Richard Guenther <rguenther@suse.de>
1245 * tree-vectorizer.h (vectorizable_function): Export.
1246 * tree-vect-transform.c (vectorizable_function): Likewise.
1247 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1248 type_in to scalar type in recognition of squaring.
1249 Make sure the target can vectorize sqrt in recognition
1250 of sqrt, set type_in to vector type in this case.
1252 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1254 * config/i386/i386.md (R10_REG): New constant.
1255 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1256 (ix86_emit_restore_regs_using_mov): Ditto.
1257 (ix86_expand_call): Ditto.
1258 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1260 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1262 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1263 * alias.c (canon_true_dependence): Update comment.
1265 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1267 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1268 at the end of a diagnostics message.
1270 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1271 until after asserting that it was allocated in the right pool.
1273 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1274 successor edge information as well. Make output of live regs
1275 on exit consistent with live regs on entry.
1277 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1280 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1281 insn patterns for TARGET_80387.
1282 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1283 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1284 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1285 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1286 Generate truncxf<mode>2 insn patterns for strict SSE math.
1288 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1290 * config/i386/i386.md (movsf_1): Enable pattern for standard
1291 80387 constants before reload when optimizing for size.
1292 (*movdf_nointeger, *movdf_integer): Ditto.
1293 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1294 80387 constants before reload when not optimizing for size.
1296 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1297 extension of XFmode input operands.
1299 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1301 * config/spu/crt0.c (__dso_handle): Define.
1303 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1305 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1306 when clearing the used flags.
1308 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1310 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1312 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1315 * config/spu/spu.md (extend_compare<mode>): New pattern.
1316 (extend_compare): Change to expand and use the above pattern.
1318 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1320 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1322 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1323 (DFP_INIT_ROUNDMODE): Define.
1324 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1325 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1327 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1329 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1330 Update documentation.
1331 (associate_line_notes_with_blocks): Kill.
1332 (extend_bb): Remove basic block argument, put void instead.
1333 Remove line number handling for each bb.
1334 (save_line_notes): Kill.
1335 (restore_line_notes): Kill.
1336 (sched_init): Remove line_note_head initialization.
1337 Change extend_bb call.
1338 (sched_finish): Remove free of line_note_head.
1339 (add_block): Change extend_bb call.
1340 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1341 rm_line_notes and restore_line_notes calls.
1342 (schedule_ebbs): Remove rm_redundant_line_notes.
1343 * sched-int.h (struct haifa_insn_data): Remove line_note.
1344 (save_line_notes): Remove declaration.
1345 (restore_line_notes): Remove declaration.
1346 * modulo-sched.c (loop_canon_p): Update debug info printing
1347 by using insn locators instead of line note.
1348 (sms_schedule): Update debug info printing, by using insn
1349 locators instead of line note.
1350 * sched-rgn.c (debug_dependencies): Remove handling of case
1351 n>0 (line number), since it's a dead code.
1352 (schedule_region): Remove save_line_notes and
1353 restore_line_notes calls.
1355 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1357 * config/rs6000/predicates.md (gpc_reg_operand): Check
1358 invalid_e500_subreg.
1359 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1360 SImode subregs of SPE vectors.
1361 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1362 * jump.c (true_regnum): Require subregs to satisfy
1363 subreg_offset_representable_p.
1365 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1366 Steven Bosscher <stevenb.gcc@gmail.com>
1368 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1369 since it no longer exists.
1371 2006-11-29 Duncan Sands <baldrick@free.fr>
1373 PR tree-optimization/23744
1374 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1376 2006-11-29 Duncan Sands <baldrick@free.fr>
1378 PR tree-optimization/23744
1379 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1381 2006-11-29 Duncan Sands <baldrick@free.fr>
1383 PR tree-optimization/23744
1384 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1386 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1388 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1390 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1392 * sh.opt (minline-ic_invalidate): New option.
1393 (musermode): Adjust comment.
1394 * sh.c (sh_initialize_trampoline): Emit library call unless
1395 is set; if it is set, don't emit library call if we can use icbi
1397 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1398 icbi for TARGET_SH4_300.
1399 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1400 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1401 -musermode documentation.
1403 2006-11-29 Jim Tison <jtison@us.ibm.com>
1405 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1406 __gthread_recursive_mutex_init): Define.
1408 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1410 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1411 STRICT_ALIGNMENT and the type is more aligned than the saved
1412 registers, copy via a temporary.
1414 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1417 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1420 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1422 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1424 2006-11-28 Jan Hubicka <jh@suse.cz>
1426 Privatize SSA variables into gimple_df.
1427 * tree-flow-inline.h
1428 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1429 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1430 gimple_nonlocal_all): New accessors.
1431 (first_referenced_var): Update.
1432 (mark_stmt_modified): Update.
1433 (is_call_clobbered): Update.
1434 (mark_call_clobbered): Update.
1435 (clear_call_clobbered): Update.
1436 (mark_non_addressable): Update.
1437 * tree-vrp.c (get_value_range): Update.
1438 * tree-into-ssa.c (in_ssa_p): Kill.
1439 (get_default_def_for): Update.
1440 (rewrite_into_ssa): Update.
1441 * tree-complex.c (init_parameter_lattice_values): Update.
1442 (update_complex_assignment): Update.
1443 (update_parameter_components): Update.
1444 (expand_complex_libcall): Update.
1445 (expand_complex_operations_1): Update.
1446 * tree-tailcall.c (arg_needs_copy_p): Update.
1447 (add_virtual_phis): Update.
1448 (tree_optimize_tail_calls_1): Update.
1449 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1450 * tree-ssa-copyrename.c
1451 (copy_rename_partition_coalesce): Update.
1452 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1453 * tree-ssa-propagate.c (set_rhs): Update.
1454 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1455 addressable_vars, global_var):Kill.
1456 (set_initial_properties): Update.
1457 (init_alias_info): Update.
1458 (finalize_ref_all_pointers): Update.
1459 (setup_pointers_and_addressables): Update.
1460 (maybe_create_global_var): Update.
1461 (create_global_var): Update.
1462 (dump_points_to_info): Update.
1463 * function.h (struct gimple_df): Forward declare.
1464 (struct function): Add GIMPLE_DF field.
1465 * gimplify.c (force_gimple_operand): Update.
1466 * tree-dfa.c (referenced_vars, default_defs): KIll.
1467 (make_rename_temp): Update.
1468 (dump_variable): Update.
1469 (referenced_var_lookup): Update.
1470 (referenced_var_check_and_insert): Update.
1471 (default_def): Rename to ...
1472 (gimple_default_def): ... this one; accept cfun argument.
1473 (set_default_def): Update.
1474 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1475 (cleanup_control_flow): Update.
1476 * tree-ssa-pre.c (compute_avail): Update
1477 * tree-ssa-live.c (calculate_live_on_entry): Update.
1478 * tree-ssa.c (verify_use): Update.
1479 (verify_call_clobbering): Update.
1480 (verify_call_clobbering): Update.
1481 (init_tree_ssa): Update.
1482 (delete_tree_ssa): Update.
1483 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1484 (rewrite_out_of_ssa): Update.
1485 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1486 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1488 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1489 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1490 addressable_vars, aliases_computed_p): Kill.
1491 (default_def): Rename to...
1492 (gimple_default_def): ... this one.
1493 (defaule_def_fn): Kill.
1494 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1495 * tree-ssa-structalias.c (nonlocal_all): Kill.
1496 (get_constraint_exp_from_ssa_var): Update.
1497 (create_nonlocal_var): Update.
1498 (get_constraint_for): Update.
1499 (update_alias_info): Update.
1500 (find_global_initializers): Update.
1501 (intra_create_variable_infos): Update.
1502 (intra_create_variable_infos):
1503 (find_what_p_points_to): Update.
1504 (init_alias_heapvars): Update.
1505 * tree-cfg.c (remove_bb): Update.
1506 (gimplify_val): Update.
1507 * tree-ssa-reassoc.c (get_rank): Update.
1508 (init_reassoc): Update.
1509 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1510 (ssa_names, free_ssanames): Kill.
1511 (init_ssanames): Update.
1512 (make_ssa_name): Update.
1513 (release_ssa_name): Update.
1514 (release_defs): Update.
1515 (replace_ssa_name_symbol): Update.
1516 * tree-ssa-operands.c (access_can_touch_variable): Update.
1517 (add_virtual_operand): Update.
1518 (add_call_clobber_ops): Update.
1519 (add_call_read_ops): Update.
1520 (get_call_expr_operands): Update.
1521 (get_asm_expr_operands): Update.
1523 2006-11-28 Jan Hubicka <jh@suse.cz>
1525 * builtins.c: Include tree-flow.h.
1526 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1527 assignment; convert memmove to memcpy for sizes greater than 1 where
1528 alignment of operands prohibit the partial overlap.
1530 2006-11-28 Jan Hubicka <jh@suse.cz>
1532 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1533 * cgraph.c (dump_cgraph_node): Dump stack usage.
1534 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1535 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1536 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1537 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1538 (cgraph_check_inline_limits): Limit stack growth.
1539 * cfgexpand.c: Include tree-inline.h.
1540 (account_stack_vars): New function.
1541 (expand_one_var): New param to just account the stack; return estimated
1543 (expand_used_vars_for_block): Update call of expand_one_var.
1544 (account_used_vars_for_block): New function.
1545 (estimated_stack_frame_size): Likewise.
1546 (init_vars_expansion, fini_vars_expansion): Break out from..
1547 (expand_used_vars): ... here.
1548 * tree-inline.h (estimated_stack_frame_size): Declare.
1549 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1551 2006-11-28 Richard Guenther <rguenther@suse.de>
1553 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1554 unsigned long for printing OBJECT_SIZE.
1556 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1558 * alias.c (init_alias_analysis): Remove simplification loop
1559 after propagating pointers.
1561 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1563 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1566 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1568 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1570 2006-11-27 Roger Sayle <roger@eyesopen.com>
1571 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1573 * c-common.c (constant_fits_type_p): Delete.
1574 (unsigned_conversion_warning): Delete.
1575 (conversion_warning): Integrate Wconversion warning from
1576 unsigned_conversion_warning.
1577 (convert_and_check): Integrate Woverflow warning from
1578 unsigned_conversion_warning. Reorganize and simplify to avoid
1579 dependence upon the middle-end setting TREE_OVERFLOW on integral
1580 conversions, by using int_fits_type_p directly.
1582 2006-11-27 Tobias Burnus <burnus@net-b.de>
1584 * doc/invoke.texi: Fixed typo.
1586 2006-11-27 Michael Matz <matz@suse.de>
1587 Andreas Krebbel <krebbel1@de.ibm.com>
1590 * config/s390/predicates.md (larl_operand): Check addend of larl
1591 operand to be in range of -/+2GB.
1592 * config/s390/s390.c (legitimize_pic_address): Likewise.
1593 Changed type of variable even to HOST_WIDE_INT.
1595 2006-11-27 Jan Hubicka <jh@suse.cz>
1597 * expr.c (emit_block_move_via_libcall): Export.
1598 (clear_storage_via_libcall): Rename to ...
1599 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1600 (clear_storage): Update to set_storage_via_libcall.
1601 * expr.h (emit_block_move_via_libcall): Declare
1602 * config/i386/i386.h (stringop_alg): New enum.
1603 (MAX_STRINGOP_ALGS): New constant.
1604 (stringop_algs): New struct.
1605 (processor_costs): Add memcpy/memset descriptors.
1606 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1607 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1608 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1610 * config/i386/i386.opt (minline-stringops-dynamically,
1611 mstringop-strategy): New
1613 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1614 (ix86_expand-clrmem): Rename to ...
1615 (ix86_expand_setmem): ... this one; update prototype.
1616 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1617 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1618 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1619 nocona_cost, core2_cost, generic_cost, generic64_cost,
1620 generic32_cost): Add memcpy/memset descriptors.
1621 (x86_rep_movl_optimal): Remove.
1622 (stringop_alg): New static variable.
1623 (ix86_expand_aligntest): Handle predictions.
1624 (override_options): Add strgop_alg handling.
1625 (predict_jump): New function.
1626 (scale_counter): New function.
1627 (expand_set_or_movmem_via_loop): New function.
1628 (expand_movmem_via_rep_mov): New function.
1629 (expand_setmem_via_rep_stots): New function.
1630 (emit_strmov): New function.
1631 (expand_movmem_epilogue): New function.
1632 (expand_setmem_epilogue_via_loop): New function.
1633 (expand_setmem_epilogue): New function.
1634 (expand_movmem_prologue): New function.
1635 (expand_setmem_prologue): New function.
1636 (decide_alg): New function.
1637 (decide_alignment): New function.
1638 (ix86_exand_movmem): Rewrite.
1639 (promote_duplicated_reg): New function.
1640 (ix86_expand_clrmem): Rename to ...
1641 (ix86_expand_setmem): ... this one. Rewrite.
1643 * invoke.texi (minline-stringops-dynamically): New command line option.
1644 (mstringop-strategy): Likewise.
1646 2006-11-27 Jan Hubicka <jh@suse.cz>
1648 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1649 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1650 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1651 * insn-notes.def (FUNCTION_END): Remove.
1652 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1653 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1655 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1656 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1657 * cfglayout.c (duplicate_insn_chain): Don't worry about
1660 2006-11-27 Richard Guenther <rguenther@suse.de>
1661 Zdenek Dvorak <dvorakz@suse.cz>
1663 * target.h (struct gcc_target): Add builtin_vectorized_function
1665 * target-def.h (TARGET_VECTORIZE): Likewise.
1666 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1667 Document new target hook.
1668 * targhooks.h (default_builtin_vectorized_function): Declare.
1669 * targhooks.c (default_builtin_vectorized_function): Define.
1670 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1671 (vectorizable_call): Declare.
1672 * tree-vect-analyze.c (vect_analyze_operations): Call
1674 * tree-vect-transform.c (vectorizable_function): New static function.
1675 (build_vectorized_function_call): Likewise.
1676 (vectorizable_call): New function.
1677 (vect_transform_stmt): Handle vectorizable calls.
1679 2006-11-27 Richard Guenther <rguenther@suse.de>
1682 * builtins.c (expand_builtin_pow): Optimize non integer valued
1683 constant exponents using sqrt or cbrt if possible. Always fall back
1684 to expanding via optabs.
1686 2006-11-27 Ira Rosen <irar@il.ibm.com>
1688 PR tree-optimization/22372
1689 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1690 the type of the base address.
1691 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1692 it in the data-ref pointer creation.
1693 (vect_init_vector): Add an argument, type of the init vector. Use it in
1695 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1696 (get_initial_def_for_reduction): Likewise.
1697 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1699 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1700 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1701 correct type in stmt creation.
1702 (vect_setup_realignment): Use the correct type in stmt creation.
1703 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1705 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1706 of MODIFY_EXPR to void_type_node.
1707 (vectorizable_condition): Change type of MODIFY_EXPR to
1709 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1712 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1715 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1716 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1717 standard 80387 constants, raise the cost to prevent
1718 compress_float_constant() to generate load from memory.
1720 * config/i386/i386.md: Add new splitter pattern to split
1721 float_extended load of constant from constant pool into
1724 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1726 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1727 section to general section. Remove documentation for
1728 --with-mpfr-dir and --with-gmp-dir, add documentation for
1729 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1732 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1734 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1736 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1738 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1740 PR tree-optimization/29122
1741 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1742 for the new version. Assign NULL to DECL_RTL of the new version.
1744 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1746 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1748 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1750 * cse.c (cse_altered): Remove.
1751 (record_jump_equiv): Make true/false argument a bool instead
1753 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1754 where appropriate. Emit a new jump before the existing one
1755 instead of after so that delete_insn_and_edges removes the
1756 dead edges properly. Check any_condjump_p before calling
1758 (cse_basic_block): Check any_condjump_p before calling
1760 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1762 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1764 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1765 -ffixed-line-length-* options.
1767 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1769 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1770 (fprem1xf4): Rename to fprem1xf4_i387.
1772 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1773 Rename patterns to fmod<mode>3. Use general_operand operand
1774 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1775 patterns for SSE math.
1776 (remaindersf3, remainderdf3): Ditto.
1778 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1780 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1781 inside start_sequence / end_sequence pair.
1783 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1785 * jump.c (mark_all_labels): Work in cfglayout mode.
1786 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1787 when in cfglayout mode, because there are no dead jumptables
1789 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1791 (commit_edge_insertions): Do not allow insertion of instructions
1792 with control flow insns when in cfglayout mode.
1794 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1796 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1798 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1799 unswitch_loop): Ditto.
1800 * tree-loop-linear.c (linear_transform_loops): Ditto.
1801 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1802 tree_ssa_lim): Ditto.
1803 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1804 free_numbers_of_iterations_estimates): Ditto.
1805 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1806 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1807 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1808 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1809 place_new_loop, duplicate_loop, duplicate_subloops,
1810 update_single_exit_for_duplicated_loops, copy_loops_to,
1811 duplicate_loop_to_header_edge, create_preheaders,
1812 force_single_succ_latches, loop_version, fix_loop_structure):
1814 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1815 tree_unroll_loop): Ditto.
1816 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1817 * tree-scalar-evolution.c (select_loops_exit_conditions,
1818 scev_initialize, scev_analysis): Ditto.
1819 * tree-scalar-evolution.h (scev_initialize): Ditto.
1820 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1821 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1822 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1823 * modulo-sched.c (sms_schedule): Ditto.
1824 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1825 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1826 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1827 * ifcvt.c (if_convert): Ditto.
1828 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1829 canonicalize_loop_induction_variables,
1830 canonicalize_induction_variables,
1831 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1832 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1833 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1834 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1835 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1836 tree_ssa_loop_done): Ditto.
1837 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1838 estimate_bb_frequencies): Ditto.
1839 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1840 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1841 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1842 decide_unrolling_and_peeling, peel_loop_completely,
1843 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1844 peel_loop_simple, unroll_loop_stupid): Ditto.
1845 * loop-doloop.c (doloop_optimize_loops): Ditto.
1846 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1847 * loop-invariant.c (move_loop_invariants): Ditto.
1848 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1849 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1850 tree_ssa_prefetch_arrays): Ditto.
1851 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1853 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1854 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1855 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1856 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1857 verify_loop_structure): Ditto.
1858 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1859 canonicalize_induction_variables, tree_unroll_loops_completely,
1860 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1861 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1862 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1863 tree_unroll_loop, linear_transform_loops): Declaration changed.
1864 * basic-block.h: Remove declaration of struct loops.
1865 * cfghooks.h (struct cfg_hooks): Change type of
1866 cfg_hook_duplicate_loop_to_header_edge.
1867 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1868 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1869 vect_transform_loop): Declaration changed.
1870 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1871 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1872 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1873 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1874 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1875 loopify, loop_version, remove_path, unswitch_loops,
1876 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1877 Declaration changed.
1879 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1881 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1882 (X87MODEF): New mode macro.
1883 (ssemodefsuffix): New mode attribute.
1884 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1885 (sqrt_extend<mode>xf2_i387): New insn pattern.
1886 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1887 insn and truncate result back to original mode using
1888 UNSPEC_TRUNC_NOOP truncation.
1889 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1890 ssemodefsuffix mode attribute.
1891 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1892 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1893 (*sqrtextenddfxf2_i387): Remove insn patterns.
1895 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1896 truncation patterns.
1898 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1900 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1903 * c-tree.h (c_maybe_initialize_eh): New prototype.
1904 * c-decl.c (finish_decl): Move EH initialization...
1905 (c_maybe_initialize_eh): ... here. New function.
1906 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1907 if not #pragma omp atomic.
1910 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1911 or UNION_TYPE inner types.
1913 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1916 * ipa-pure-const.c (check_tree): If the original tree
1917 is volatile return early and say the function is not pure
1918 nor const. Remove the volatile check for writes.
1919 (analyze_function): Print out the result of the local
1922 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1924 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1926 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1927 * config/rs6000/rs6000.c (rs6000_override_options): Use
1928 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1931 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1933 * config/s390.c (s390_emit_compare_and_swap): New function.
1934 (s390_expand_cs_hqi, s390_expand_atomic): Call
1935 s390_emit_compare_and_swap.
1937 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1939 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1941 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1945 * c-common.c (conversion_warning): New.
1946 (convert_and_check): Call conversion_warning unless there is an
1948 * doc/invoke.texi (-Wconversion): Update description.
1950 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1952 * tree-ssa-alias.c (tree_pointer_compare): New function.
1953 (compact_name_tags): New function.
1954 (group_aliases): Call compact_name_tags.
1956 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1958 * real.h (real_isinteger): Declare.
1959 * real.c (real_isinteger): Define.
1960 * builtins.c (integer_valued_real_p): Use it.
1962 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1965 * c.opt (Wtraditional-conversion): New.
1966 (Wconversion): Update description.
1967 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1968 type conversions different from what would happen in the absence
1969 of prototype are now handled by Wtraditional-conversion.
1970 * doc/invoke.texi (Wtraditional-conversion): New.
1971 (Wconversion): Update description.
1972 * doc/trouble.texi (Wconversion): Replace Wconversion by
1973 Wtraditional-conversion.
1975 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1977 * predict.c (tree_estimate_probability): Check to make
1978 sure current_loops is non null before calling flow_loops_dump.
1980 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1982 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1984 2006-11-23 David Ung <davidu@mips.com>
1986 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1988 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1989 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1990 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1991 high part of FP register when in 64-bit FP register mode. Similarly
1992 use gen_mfhc1 to load high part of FP register.
1993 (override_options): Allow -mgp32 and -mfp64 combination if
1994 ISA_HAS_MXHC1 (currently for O32 only).
1995 (mips_cannot_change_mode_class): If floating-point registers are
1996 bigger than word size. disallow conversion of float register from a
1997 large integer mode to a float mode smaller than the float register
1999 (mips_class_max_nregs): Handle float registers case seperately.
2000 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2002 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2003 (movdf_hardfloat_32bit): Similarly.
2004 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2005 support a full 64-bit fpu.
2006 (mthc1): New pattern to generate MTHC1 instruction.
2007 (mfhc1): New pattern to generate MFHC1 instruction.
2008 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2009 option for the MIPS32R2 and mention its use under O32 ABI.
2011 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2013 * var-tracking.c (emit_note_insn_var_location): Take care not to
2014 cause verify_flow_info failures.
2016 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2018 * tree-ssa-structalias.c: Remove edge weights in favor of just
2019 processing them as complex constraints.
2020 (struct constraint_graph): Remove weighted succs and preds. Rename
2021 nonweighted succs and preds.
2022 (constraint_edge): Removed.
2023 (constraint_edge_t): Ditto.
2024 (constraint_edge_pool): Ditto.
2025 (new_constraint_edge): Ditto.
2026 (constraint_edge_equal): Ditto.
2027 (constraint_edge_less): Ditto.
2028 (constraint_edge_vec_find): Ditto.
2029 (erase_self_graph_edge): Ditto.
2030 (add_graph_edge): Removed.
2031 (get_graph_weights): Ditto.
2032 (allocate_graph_weights): Ditto.
2033 (valid_weighted_graph_edge): Ditto
2034 (bitmap_other_than_zero_bit_set): Ditto.
2035 (int_add_graph_edge): Renamed to add_graph_edge.
2036 (clear_edges_for_node): Remove support for weighted edges.
2037 (merge_graph_nodes): Ditto.
2038 (valid_graph_edge): Ditto.
2039 (build_constraint_graph): Ditto.
2041 (collapse_nodes): Ditto.
2042 (process_unification_queue): Ditto.
2043 (topo_visit): Ditto.
2044 (do_ds_constraint): Ditto.
2045 (perform_var_subsitution): Ditto.
2046 (solve_graph): Ditto.
2047 (init_alias_vars): Ditto.
2048 (delete_points_to_sets): Ditto.
2049 (do_complex_constraint): Support offsetted copies here.
2051 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2053 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2055 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2057 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2060 2006-11-23 Ben Elliston <bje@au.ibm.com>
2062 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2064 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2066 PR tree-optimization/29921
2067 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2068 signed and unsigned zero equal.
2070 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2072 * config/rs6000/rs6000.c (get_store_dest): New.
2073 (adjacent_mem_locations): Use get_store_dest() to get
2074 the rtl of the store destination.
2076 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2078 * config/rs6000/spe.md (SPE64): New mode macro.
2079 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2081 (mov_si<mode>_e500_subreg0_2): New.
2082 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2084 (mov_si<mode>_e500_subreg4_2): New.
2085 * config/rs6000/predicates.md (input_operand): Do not allow
2086 invalid E500 subregs.
2087 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2089 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2090 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2091 involving vector modes if TARGET_SPE.
2093 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2096 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2097 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2099 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2101 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2102 mem_i_address_operand): New predicates.
2103 * config/bfin/bfin.c (bfin_issue_rate): New function.
2104 (TARGET_SCHED_ISSUE_RATE): New macro.
2105 * config/bfin/bfin.md (addrtype): New attribute.
2106 (slot0, slot1, slot2, store, pregs): New cpu_units.
2107 (core): Now a define_reservation.
2108 (alu): Remove some insn types from this reservation.
2109 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2111 (dummy reservation): Don't trigger for mcld insns.
2112 (absence_sets): Two new absence sets to enforce slot ordering.
2113 (popsi_insn): Set addrtype.
2115 2006-11-22 Ira Rosen <irar@il.ibm.com>
2117 * doc/c-tree.texi: Document new tree codes.
2118 * doc/md.texi: Document new optabs.
2119 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2121 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2122 * optabs.h (optab_index): Add new.
2123 (vec_extract_even_optab, vec_extract_odd_optab,
2124 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2125 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2126 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2128 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2129 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2130 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2131 along with macros for their access.
2132 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2134 * tree-vect-analyze.c (toplev.h): Include.
2135 (vect_determine_vectorization_factor): Fix indentation.
2136 (vect_insert_into_interleaving_chain,
2137 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2138 (vect_analyze_data_ref_dependence): Add argument for interleaving
2139 check. Check for interleaving if it's true.
2140 (vect_check_dependences): New function.
2141 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2142 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2143 (vect_update_misalignment_for_peel): Update for interleaving.
2144 (vect_verify_datarefs_alignment): Check only first data-ref for
2146 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2147 only first data-ref for interleaving.
2148 (vect_analyze_data_ref_access): Check interleaving, update
2150 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2151 with different parameters.
2152 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2153 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2154 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2155 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2156 Update step in case of interleaving.
2157 (vect_strided_store_supported, vect_permute_store_chain): New
2159 (vectorizable_store): Handle strided stores.
2160 (vect_strided_load_supported, vect_permute_load_chain,
2161 vect_transform_strided_load): New functions.
2162 (vectorizable_load): Handle strided loads.
2163 (vect_transform_stmt): Add argument. Handle strided stores. Check
2164 that vectorized stmt exists for patterns.
2165 (vect_gen_niters_for_prolog_loop): Update calculation for
2167 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2168 whole chain vectorization.
2169 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2170 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2171 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2172 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2173 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2175 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2177 * cse.c (enum taken): Remove PATH_AROUND.
2178 (addr_affects_sp_p, invalidate_skipped_set,
2179 invalidate_skipped_block): Remove.
2180 (cse_end_of_basic_block): Remove skip_blocks and related code.
2181 (cse_main): Don't test for flag_cse_skip_blocks.
2182 Update cse_end_of_basic_block call.
2183 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2184 code to lengthen the path if a jump was simplified.
2186 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2188 PR rtl-optimization/29924
2189 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2190 (unroll_loop_runtime_iterations): Assert that the argument passed to
2191 split_edge_and_insert is not NULL.
2192 * loop-doloop.c (add_test): Ditto.
2194 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2196 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2198 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2199 * cfgloopmanip.c (update_single_exits_after_duplication,
2200 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2201 * tree-scalar-evolution.c (get_loop_exit_condition,
2202 get_exit_conditions_rec, loop_closed_phi_def,
2203 number_of_iterations_in_loop, scev_const_prop): Ditto.
2204 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2205 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2207 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2209 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2210 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2211 slpeel_make_loop_iterate_ntimes,
2212 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2213 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2215 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2216 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2217 vect_analyze_loop_form): Ditto.
2218 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2219 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2220 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2221 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2222 vect_transform_loop): Ditto.
2223 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2224 (single_exit, set_single_exit): New functions.
2225 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2226 (single_exit, set_single_exit): Declare.
2227 * doc/loop.texi: Undocument single_exit field. Document single_exit
2230 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2232 PR tree-optimization/29902
2233 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2234 any involved ssa name appears in abnormal phi node.
2236 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2238 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2239 (xtensa_const_ok_for_letter_p): Delete.
2240 (xtensa_extra_constraint): Delete.
2241 (override_options): Delete xtensa_char_to_class initialization.
2242 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2243 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2244 (EXTRA_CONSTRAINT): Delete.
2245 * config/xtensa/xtensa.md: Include constraints.md.
2246 (call_internal): Combine alternatives.
2247 (call_value_internal): Likewise, and remove invalid constraints.
2248 * config/xtensa/constraints.md: New file.
2249 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2250 (xtensa_extra_constraint): Delete.
2251 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2254 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2256 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2257 of conversion that doesn't fit.
2259 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2260 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2261 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2263 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2265 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2267 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2269 2006-11-21 Richard Guenther <rguenther@suse.de>
2271 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2272 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2273 vect_recog_pow_pattern.
2274 (vect_recog_pow_pattern): New function.
2276 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2278 * config/bfin/bfin.opt (mstack-check-l1): New.
2279 * doc/invoke.texi (Blackfin Options): Document it.
2280 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2281 stack bounds in L1 memory if the new option is enabled.
2282 (override_options): Don't allow combinations of -fstack-limit and
2284 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2287 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2289 (bfin_register_move_cost): Bump costs if trying to move plain
2290 integer values through accumulators.
2292 2006-11-21 Ben Elliston <bje@au.ibm.com>
2294 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2296 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2297 Russell Olsen <Russell_Olsen@playstation.sony.com>
2298 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2299 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2300 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2301 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2302 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2304 * config.gcc: Add target for SPU.
2305 * config/spu/constraints.md: New file.
2306 * config/spu/crt0.c: New file.
2307 * config/spu/crtend.c: New file.
2308 * config/spu/crti.asm: New file.
2309 * config/spu/crtn.asm: New file.
2310 * config/spu/float_unsdidf.c: New file.
2311 * config/spu/float_unssidf.c: New file.
2312 * config/spu/predicates.md: New file.
2313 * config/spu/spu-builtins.def: New file.
2314 * config/spu/spu-builtins.h: New file.
2315 * config/spu/spu-builtins.md: New file.
2316 * config/spu/spu-c.c: New file.
2317 * config/spu/spu-elf.h: New file.
2318 * config/spu/spu-modes.def: New file.
2319 * config/spu/spu-protos.h: New file.
2320 * config/spu/spu.c: New file.
2321 * config/spu/spu.h: New file.
2322 * config/spu/spu.md: New file.
2323 * config/spu/spu.opt: New file.
2324 * config/spu/spu_internals.h: New file.
2325 * config/spu/spu_intrinsics.h: New file.
2326 * config/spu/spu_mfcio.h: New file.
2327 * config/spu/t-spu-elf: New file.
2328 * config/spu/vec_types.h: New file.
2329 * config/spu/vmx2spu.h: New file.
2330 * doc/contrib.texi: Document SPU contributor.
2331 * doc/extend.texi: Document SPU extensions.
2332 * doc/invoke.texi: Document SPU options.
2333 * doc/md.texi: Document SPU constraints.
2335 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2337 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2339 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2341 (flow_loop_dump): Do not dump loop level.
2342 (flow_loops_find): Do not call flow_loops_level_compute.
2343 * cfgloop.h (struct loop): Remove level field.
2345 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2347 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2348 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2349 Use vector of edges instead of array.
2350 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2351 estimate_numbers_of_iterations_loop): Ditto.
2352 * predict.c (predict_loops): Ditto.
2353 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2354 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2356 * basic-block.h: Declare heap allocation for edge vectors.
2357 * tree-outof-ssa.c: Ditto.
2358 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2359 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2361 2006-11-20 Zack Weinberg <zackw@panix.com>
2363 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2364 Add another out parameter, "skip".
2365 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2366 is tagged "skip", do not mark its type used.
2368 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2371 * tree-sra.c (single_scalar_field_in_record_p): New function.
2372 (decide_block_copy): Use it.
2374 2006-11-20 David Daney <ddaney@avtrex.com>
2376 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2377 PC to point to following instruction.
2379 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2383 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2385 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2387 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2389 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2390 Add sh/superh.h to tm_file.
2392 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2393 Mark Mitchell <mark@codesourcery.com>
2395 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2397 (cpp_relocated): New function.
2398 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2400 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2401 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2402 replace configured prefix with gcc_exec_prefix.
2404 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2406 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2407 bfin_legitimate_constant_p.
2408 * config/bfin/bfin.md (movsi expander): Check return value of
2410 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2411 (expand_move): Adjust prototype.
2412 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2413 invalid constants specially.
2414 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2416 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2418 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2419 sibcall_value_symbol): Allow these patterns if
2420 TARGET_LEAF_ID_SHARED_LIBRARY.
2421 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2422 (override_options): Turn on id shared library flags if -msep-data,
2423 but disallow the combination of these options on the command line.
2424 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2425 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2426 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2427 -mid-shared-library.
2428 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2429 * doc/invoke.texi (Blackfin Options): Document new switches.
2431 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2432 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2434 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2435 inflate costs for addresses with an out-of-bounds address.
2437 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2440 * fwprop.c (loops): Remove.
2441 (forward_propagate_into): Use current_loops instead of
2443 (fwprop_init): Call loop_optimizer_init instead of
2445 (fwprop_done): Call loop_optimizer_finalize instead of
2447 (fwprop): Use current_loops instead of loops.
2449 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2452 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2454 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2458 larger than BITS_PER_WORD.
2460 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2464 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2465 to MAX_FIXED_MODE_SIZE.
2467 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2469 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2470 (fold_builtin_fmin_fmax): New.
2471 (fold_builtin_1): Use it.
2473 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2475 2006-11-18 Richard Guenther <rguenther@suse.de>
2477 * config/i386/i386.c (ix86_builtins): New array for ix86
2478 builtin function decls.
2479 (def_builtin): New function.
2480 (def_builtin_const): Likewise.
2481 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2483 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2485 * doc/invoke.texi (core2): Add item.
2487 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2489 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2490 (TARGET_CPU_DEFAULT_generic): Change value.
2491 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2492 (processor_type): Add new constant PROCESSOR_CORE2.
2494 * config/i386/i386.md (cpu): Add core2.
2496 * config/i386/i386.c (core2_cost): New initialized variable.
2497 (m_CORE2): New macro.
2498 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2499 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2500 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2501 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2502 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2503 x86_accumulate_outgoing_args, x86_prologue_using_move,
2504 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2505 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2506 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2507 x86_pad_returns): Add m_CORE2.
2508 (override_options): Add entries for Core2.
2509 (ix86_issue_rate): Add case for Core2.
2511 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2513 * doc/invoke.texi: Fix mno-isel typo.
2515 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2517 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2518 easy vector constant loads.
2520 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2522 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2523 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2524 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2525 * config/rs6000/sync.md (lwsync): Emit plain sync if
2528 2006-11-17 DJ Delorie <dj@redhat.com>
2530 * reload1.c (reloads_unique_chain): New.
2531 (reloads_conflict): Call it.
2533 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2535 * config/xtensa/predicates.md (addsubx_operand): New.
2536 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2537 (xtensa_emit_bit_branch): New.
2538 (xtensa_emit_movcc): New.
2539 * config/xtensa/xtensa.md (any_minmax): New code macro.
2540 (minmax): New code attribute.
2541 (any_cond, any_scc, any_scc_sf): New code macros.
2542 (*addx2, *addx4, *addx8): Delete.
2544 (*subx2, *subx4, *subx8): Delete.
2546 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2547 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2548 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2549 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2550 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2551 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2552 (movsfcc_internal0, movsfcc_internal1): Likewise.
2553 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2554 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2555 (xtensa_emit_bit_branch): New.
2556 (xtensa_emit_movcc): New.
2557 (function_arg_boundary): Add missing prototype.
2559 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2561 * config/xtensa/xtensa.md (tstsi): Delete
2563 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2565 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2567 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2569 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2571 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2573 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2575 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2577 * tree-vrp.c (execute_vrp): Do not update current_loops.
2578 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2579 * doc/loop.texi: Remove documentation for cancelled functions.
2580 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2581 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2583 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2584 (remove_path): Ensure that in delete_basic_blocks, the loops
2585 are still allocated.
2586 (add_loop): Work on valid loop structures.
2587 (loopify): Modify call of add_loop.
2588 (mfb_update_loops): Removed.
2589 (create_preheader): Do not update loops explicitly.
2590 (force_single_succ_latches, loop_version): Do not use
2591 loop_split_edge_with.
2592 (loop_split_edge_with): Removed.
2593 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2594 Do not use bsi_insert_on_edge_immediate_loop.
2595 (split_loop_exit_edge, tree_unroll_loop): Do not use
2596 loop_split_edge_with.
2597 (bsi_insert_on_edge_immediate_loop): Removed.
2598 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2599 use loop_split_edge_with.
2600 * cfghooks.c: Include cfgloop.h.
2601 (verify_flow_info): Verify that loop_father is filled iff current_loops
2603 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2604 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2606 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2608 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2609 loop_split_edge_with.
2610 (sms_schedule): Use current_loops.
2611 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2612 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2614 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2615 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2616 * ifcvt.c (if_convert): Ditto.
2617 * predict.c (predict_loops): Do not clear current_loops.
2618 (tree_estimate_probability): Use current_loops.
2619 (propagate_freq): Receive head of the region to propagate instead of
2621 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2622 (estimate_loops): New function. Handle case current_loops == NULL.
2623 (estimate_bb_frequencies): Do not allocate tovisit. Use
2625 * tree-ssa-loop.c (current_loops): Removed.
2626 (tree_loop_optimizer_init): Do not return loops.
2627 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2628 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2629 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2630 Do not update loops explicitly.
2631 * function.h (struct function): Add x_current_loops field.
2632 (current_loops): New macro.
2633 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2634 * loop-unroll.c (split_edge_and_insert): New function.
2635 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2636 use loop_split_edge_with.
2637 * loop-doloop.c (add_test, doloop_modify): Ditto.
2638 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2639 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2640 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2641 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2643 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2644 (flow_loops_free): Do not free dfs_order and rc_order.
2645 (flow_loops_find): Do not set dfs_order and rc_order in loops
2646 structure. Do not call loops and flow info verification.
2647 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2648 already belongs to some loop.
2649 * cfgloop.h (struct loops): Remove struct cfg.
2650 (current_loops, loop_split_edge_with): Declaration removed.
2651 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2652 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2653 Declaration removed.
2654 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2655 * basic-block.h (split_edge_and_insert): Declare.
2656 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2658 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2660 PR tree-optimization/29801
2661 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2662 (get_default_value): Use get_symbol_constant_value.
2663 (set_lattice_value): ICE when the value of the constant is
2665 (visit_assignment): Ignore VDEFs of read-only variables.
2667 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2669 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2671 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2672 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2674 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2676 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2677 select subvars of var.
2679 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2682 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2683 optimize if DEF doesn't have integral type.
2685 2006-11-16 Mike Stump <mrs@apple.com>
2687 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2688 pre-darwin9 system, unless the user asks for it directly.
2689 (PREFERRED_DEBUGGING_TYPE): Likewise.
2690 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2691 * config.gcc: Add suppport for darwin9.h.
2692 * config/darwin9.h: Add.
2693 * doc/install.texi (Specific): Clarify darwin documentation.
2695 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2697 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2698 optimizing for size.
2700 2006-11-16 Mike Stump <mrs@apple.com>
2702 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2704 2006-11-16 Dirk Mueller <dmueller@suse.de>
2706 * tree-vrp.c (get_value_range): Use XCNEW instead
2708 (insert_range_assertions): Use XCNEWVEC instead
2709 of XNEWVEC and memset.
2710 (vrp_initialize): Same.
2711 (vrp_finalize): Same.
2712 * tree-ssa-ccp.c (ccp_initialize): Same.
2713 * predict.c (tree_bb_level_predictions): Same.
2714 * calls.c (expand_call): Same.
2715 * tree-ssa-copy.c (init_copy_prop): Same.
2716 (fini_copy_prop): Same.
2717 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2718 of GGC_NEW and memset.
2720 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2723 * gimplify.c (gimplify_expr): Only force a load for references to
2724 non-BLKmode volatile values.
2725 * doc/implement-c.texi (Qualifiers implementation): Document the
2726 interpretation of what a volatile access is.
2727 * doc/extend.texi (C++ Extensions): Rework same documentation.
2729 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2731 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2734 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2736 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2738 (arm_neg_abssi2): Renamed from neg_abssi2.
2739 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2741 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2743 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2744 number of arguments passed to local functions in SSE registers is 3.
2746 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2747 number of arguments passed in SSE registers to 3.
2749 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2752 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2754 (get_last_bb_insn): ... new global function.
2755 (basic_block.h): Declare it.
2756 * haifa-sched.c (create_recovery_block): Use it.
2758 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2761 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2763 2006-11-15 Paul Brook <paul@codesourcery.com>
2765 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2766 _Unwind_GetTextRelBase): Move from here ...
2767 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2768 _Unwind_GetTextRelBase): ... To here.
2770 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2772 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2773 addresses we generate for testing are aligned.
2775 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2778 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2779 to what is the const decl is a place holder for.
2781 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2783 * config/i386/i386.opt: New target option -mx87regparm.
2785 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2786 and float_in_x87 variables. mmx_words, sse_words: Remove.
2787 (X87_REGPARM_MAX): Define.
2789 * config/i386/i386.c (override_options): Error out for
2790 -mx87regparm but no 80387 support.
2791 (ix86_attribute_table): Add x87regparm.
2792 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2793 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2794 (ix86_function_x87regparm): New function.
2795 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2797 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2799 (function_arg_advance): Process x87_nregs and x87_regno when
2800 floating point argument is to be passed in 80387 register.
2801 (function_arg): Pass XFmode arguments in 80387 registers for local
2802 functions. Pass SFmode and DFmode arguments to local functions
2803 in 80387 registers when flag_unsafe_math_optimizations is set.
2805 * reg-stack.c (convert_regs_entry): Disable NaN load for
2806 stack registers that are used for argument passing.
2808 * doc/extend.texi: Document x87regparm function attribute.
2809 * doc/invoke.texi: Document -mx87regparm.
2811 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2813 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2814 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2815 arg MODE; all callers changed. Use it to determine validity per
2816 machine mode instead of using Pmode for all memory references.
2817 (get_address_cost): Likewise add and use new arg MEM_MODE.
2819 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2820 J"orn Rennecke <joern.rennecke@st.com>
2822 * combine.c (likely_spilled_retval_1): Fix masking operation.
2823 (likely_spilled_retval_p): Use proper pattern for call to
2824 likely_spilled_retval_1.
2826 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2828 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2830 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2831 that tests for CONSTANT_POOL_ADDRESS_P.
2833 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2835 PR tree-optimization/29581
2836 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2837 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2838 type is different between Y and USE, create a temporary
2839 variable, initialize it at the beginning of the body bb
2840 and use it as replacement instead of Y.
2842 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2845 * gimplify.c (fold_indirect_ref_rhs): Use
2846 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2848 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2850 * expmed.c (emit_store_flag_1): New function.
2851 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2853 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2854 Use do_compare_rtx_and_jump.
2855 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2856 * arm.md (cstoresi4): New define_expand.
2857 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2858 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2859 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2861 2006-11-14 Caroline Tice <ctice@apple.com>
2863 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2864 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2866 (pubname_table): Redefine as a vector.
2867 (pubtype_table): New static global variable, defined as a vector.
2868 (pubname_table_allocated): Remove static global variable.
2869 (pubname_table_in_use): Remove static global variable.
2870 (PUBNAME_TABLE_INCREMENT): Remove constant.
2871 (size_of_pubnames): Add parameter to deal with either pubnames or
2872 pubtypes, and change code to deal with table being a vector.
2873 (add_pubname): Change to deal with table being a vector.
2874 (add_pubtype): New function.
2875 (output_pubnames): Add parameter to deal with either pubnames or
2876 pubtypes, and change code to deal with table being a vector.
2877 (gen_array_type_die): Add call to add_pubtype.
2878 (gen_enumeration_type_die): Add call to add_pubtype.
2879 (gen_struct_or_union_type_die): Add call to add_pubtype.
2880 (gen_subroutine_type_die): Add call to add_pubtype.
2881 (gen_typedef_die): Add call to add_pubtype.
2882 (dwarf2out_init): Add code to initialize pubname_table and
2883 pubtype_table vectors; also initialize debug_pubtypes_section.
2884 (prune_unused_types): Change to deal with pubnames being a vector.
2885 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2886 pubnames table to call to output_pubnames; Add code to output pubtypes
2887 table if DEBUG_PUBTYPES_SECTION is defined.
2888 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2890 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2892 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2894 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2895 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2896 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2897 movv2si_internal): Support moves between core registers.
2899 2006-11-14 Eric Christopher <echristo@apple.com>
2901 * configure: Regenerate with autoconf 2.59.
2903 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2905 Fix PR tree-optimization/27755
2907 * tree-ssa-pre.c: Update comments.
2908 (bb_bitmap_sets): Add pa_in and deferred member.
2909 (BB_DEFERRED): New macro.
2910 (maximal_set): New variable.
2911 (pre_stats): Add pa_insert member.
2912 (bitmap_set_and): Short circuit orig == dest.
2913 (bitmap_set_subtract_values): New function.
2914 (bitmap_set_contains_expr): Ditto.
2915 (translate_vuses_through_block): Add phiblock argument.
2916 (dependent_clean): New function.
2917 (compute_antic_aux): Update for maximal_set changes.
2918 (compute_partial_antic_aux): New function.
2919 (compute_antic): Handle partial anticipation.
2920 (do_partial_partial_insertion): New function.
2921 (insert_aux): Handle partial anticipation.
2922 (add_to_sets): Add to maximal set.
2923 (compute_avail): Ditto.
2924 (init_pre): Initialize maximal_set.
2925 (execute_pre): Do partial anticipation if -O3+.
2927 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2929 PR rtl-optimization/29798
2931 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2932 TARGET_INSN before any other check.
2933 (fwprop_init): Always calculate dominators.
2934 (fwprop_done): Always free them.
2936 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2941 2006-11-13 DJ Delorie <dj@redhat.com>
2943 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2944 temporary for intermediates.
2946 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2948 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2949 (sh_optimize_target_register_callee_saved): #if 0 the code
2950 using NOTE_INSN_LOOP_{BEG,END}.
2952 2006-11-13 Roger Sayle <roger@eyesopen.com>
2954 * fold-const.c (optimize_bit_field_compare): Recursively call
2955 fold when simplifying non-constant comparisons between bit-fields.
2957 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2959 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2961 * configure: Rebuilt.
2963 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2965 * config/rs6000/cell.md: New file.
2966 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2968 (ppccell_cost): New cost matrix.
2969 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2970 (rs6000_override_options): Set rs6000_always_hint to false
2971 for cell. Also align functions/lables/loops to 8byte
2972 for the Cell. Use PROCESSOR_CELL.
2973 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2974 using_mtcr_multiple.
2975 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2976 on the Cell, return 0.
2977 (rs6000_adjust_cost): Add Cell cost adjustments.
2978 (is_microcoded_insn): Return true for Cell microcoded
2980 (is_nonpipeline_insn): New function.
2981 (rs6000_issue_rate): Add PROCESSOR_CELL.
2982 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2984 (rs6000_use_sched_lookahead_guard): New function.
2985 (rs6000_sched_reorder): Reorder the ready list, if the second
2986 to last ready insn is a nonepipeline insn on the Cell.
2987 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2988 (ASM_CPU_SPEC): Add Cell.
2989 * config/rs6000/rs6000.md (cpu): Add Cell.
2990 (cell_micro): New Attr.
2993 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2995 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2997 * configure: Rebuilt.
2999 2006-11-13 Richard Guenther <rguenther@suse.de>
3001 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3003 (ix86_expand_lfloorceil): Likewise.
3004 (ix86_expand_rint): Likewise.
3005 (ix86_expand_floorceildf_32): Likewise.
3006 (ix86_expand_floorceil): Likewise.
3007 (ix86_expand_rounddf_32): Likewise.
3008 (ix86_expand_truncdf_32): Likewise.
3009 (ix86_expand_round): Likewise.
3011 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3012 Mark Mitchell <mark@codesourcery.com>
3014 * gcc.c: Organize search path variables into $prefix relative,
3015 and well-known native. Add comments.
3016 (add_sysrooted_prefix): Add comment.
3017 (process_command): If !gcc_exec_prefix add $prefix based paths.
3018 If *cross_compile == '0', add native well-known paths.
3019 Assert tooldir_base_prefix is always relative.
3020 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3021 use this value for 'install:' path.
3022 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3024 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3026 * config/i386/i386.c: Fix a typo in comment.
3028 2006-11-13 Michael Matz <matz@suse.de>
3030 * genemit.c (gen_expand): Allocate enough memory.
3032 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3034 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3035 __GXX_TYPEINFO_EQUALITY_INLINE but not
3036 __GXX_MERGED_TYPEINFO_NAMES.
3037 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3038 __GXX_MERGED_TYPEINFO_NAMES.
3039 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3040 __GXX_TYPEINFO_EQUALITY_INLINE.
3042 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3043 Zdenek Dvorak <dvorakz@suse.cz>
3045 PR tree-optimization/29680
3046 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3049 2006-11-12 Jason Merrill <jason@redhat.com>
3050 Andrew Pinski <pinskia@physics.uc.edu>
3053 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3055 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3057 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3058 * tree.c (build_vector): Handle non-_CST elements.
3060 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3062 * genemit.c (gen_insn): Call gen_exp with a non-null used
3063 when handling multiple insns.
3064 (gen_expand): Likewise.
3065 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3066 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3067 (movsi_const_16bit+1): Copy operands[1].
3068 (call_pcrel): Copy the call_site pattern.
3069 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3071 2006-11-12 Roger Sayle <roger@eyesopen.com>
3073 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3074 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3075 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3076 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3078 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3080 Fix PR tree-optimization/29587
3081 * tree-ssa-structalias.c (process_constraint): Don't
3082 mark address taken due only to escaped vars constraint.
3084 2006-11-12 Michael Matz <matz@suse.de>
3085 Roger Sayle <roger@eyesopen.com>
3087 PR rtl-optimization/29797
3088 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3089 BITS_BIG_ENDIAN targets.
3091 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3093 * builtins.c (fold_builtin_cosh): New.
3094 (fold_builtin_1): Use it.
3095 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3096 trunc to the list of "odd" functions. Also add llrint, lrint,
3097 rint and nearbyint when flag_rounding_math is false.
3099 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3101 * tree-flow.h (name_mappings_registered_p): Declare.
3102 * tree-into-ssa.c (name_mappings_registered_p): New function.
3103 * tree-cfg.c (tree_can_merge_blocks_p): Check
3104 name_mappings_registered_p instead of need_ssa_update_p.
3106 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3108 * tree-ssa-loop.c (tree_vectorize): Return the result of
3110 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3111 if anything changed.
3112 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3113 * tree-flow.h (vectorize_loops): Declaration changed.
3115 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3117 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3119 (issue_prefetch_ref): Move assignment to write_p out of loop.
3120 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3121 SIMULTANEOUS_PREFETCHES into account.
3122 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3123 * lambda-code.c (lcm): Renamed to ...
3124 (least_common_multiple): ... and exported.
3125 * tree-flow.h (least_common_multiple): Declare.
3127 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3129 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3130 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3131 ud-chains. Handle AND_EXPR.
3132 (record_estimate): Record whether the estimate is realistic
3133 and whether it is derived from a loop exit.
3134 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3135 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3137 (compute_estimated_nb_iterations): Take only realistic bounds into
3138 account. Set estimate_state. Use double_ints.
3139 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3140 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3141 that do not have to be always executed.
3142 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3143 to determine whether to call infer_loop_bounds_from_undefined
3144 and compute_estimated_nb_iterations.
3145 (n_of_executions_at_most): Use double_ints.
3146 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3147 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3148 * double-int.c (double_int_to_tree): Improve comment.
3149 (double_int_fits_to_tree_p): New function.
3150 * double-int.h (double_int_fits_to_tree_p): Declare.
3151 * tree-data-ref.c: Include langhooks.h.
3152 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3153 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3154 (analyze_array): Do not pass estimate_only argument to
3155 analyze_array_indexes.
3156 (get_number_of_iters_for_loop): Build tree from the stored double_int
3158 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3159 (find_data_references_in_loop): Use find_data_references_in_stmt.
3160 * tree-data-ref.h (struct data_ref_loc_d): New.
3161 (get_references_in_stmt): Declare.
3162 (estimate_iters_using_array): Declaration removed.
3163 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3164 double_int. Improve comments. Add is_exit and realistic
3166 (struct loop): Changed type of estimated_nb_iterations to double_int.
3167 Added estimate_state field.
3168 (record_estimate): Declaration removed.
3170 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3172 * params.c (set_param_value): Initialize the "set" field.
3173 * params.h (struct param_info): Add "set" field.
3174 (PARAM_SET_P): New macro.
3175 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3176 L1_CACHE_LINE_SIZE): New macros.
3177 * toplev.c (DEFPARAM): Initialize the "set" field.
3178 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3179 SIMULTANEOUS_PREFETCHES): Removed.
3180 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3181 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3182 * config/sparc/sparc.c: Include params.h.
3183 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3184 L1_CACHE_LINE_SIZE parameters.
3185 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3187 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3189 * config/i386/i386.c: Include params.h.
3190 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3191 (override_options): Set SIMULTANEOUS_PREFETCHES and
3192 L1_CACHE_LINE_SIZE parameters.
3193 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3194 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3195 L1_CACHE_LINE_SIZE parameters.
3196 * config/ia64/ia64.c (ia64_optimization_options): Set
3197 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3198 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3200 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3201 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3202 * doc/invoke.texi: Document new params.
3204 2006-11-12 Roger Sayle <roger@eyesopen.com>
3206 PR tree-optimization/13827
3207 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3210 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3212 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3213 update_single_exit_for_duplicated_loops): New functions.
3214 (duplicate_loop_to_header_edge): Use
3215 update_single_exit_for_duplicated_loops.
3216 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3217 functions only with ENABLE_CHECKING.
3219 2006-11-12 Andreas Schwab <schwab@suse.de>
3221 * except.c (sjlj_emit_function_enter): Remove unused variable.
3223 2006-11-11 Roger Sayle <roger@eyesopen.com>
3225 * fold-const.c (int_binop_types_match_p): New function.
3226 (size_binop): Relax constraint that both arguments must both have
3227 exactly the same sizetype type. Instead use int_binop_types_match_p.
3228 (size_diffop): Likewise.
3230 (make_range): Use build_int_cst instead of fold_convert.
3231 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3232 integer constants of the correct type.
3233 (fold_div_compare): Likewise.
3234 (fold_single_bit_test): Likewise.
3235 (fold_binary): Likewise.
3236 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3237 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3239 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3242 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3243 non null value if the struct memory access is in the 0th
3246 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3249 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3250 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3253 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3254 instead of builtin_define for bfin and BFIN.
3256 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3258 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3261 2006-11-11 Jan Hubicka <jh@suse.cz>
3263 * extend.texi (__builtin_expect): We no longer require second argument
3265 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3266 * builtins.c (expand_builtin_expect): Simplify.
3267 (expand_builtin_expect_jump): Kill.
3268 * final.c (final_scan_insn): Do not skip the removed notes.
3269 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3270 EXPECTED_VALUE): Remove.
3271 * dojump.c (do_jump): Do not care about __builtin_expect.
3272 * predict.c (expected_value_to_br_prob): Kill.
3273 * function.c (expand_function_end): Do not expand
3274 NOTE_INSN_REPEATED_LINE_NUMBER.
3275 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3276 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3277 * cfgexpand.c (add_reg_br_prob_note): Export.
3278 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3279 expected_value_to_br_prob.
3280 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3281 * rtl.h (add_reg_br_prob_note): Declare.
3283 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3285 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3287 2006-11-11 Jan Hubicka <jh@suse.cz>
3289 * predict.c (predict_loops): Kill RTL variant.
3291 2006-11-11 Jan Hubicka <jh@suse.cz>
3293 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3294 * modulo-sched.c (find_line_note): Remove.
3295 (loop_canon_p): Do not worry about line number notes.
3296 (sms_schedule): Likewise.
3297 * cse.c (cse_main): Likewise.
3298 * regmove.c (fixup_match_1): Likewise
3299 * function.c (emit_return_info_block): Likewise.
3300 (expand_function_end): Likewise.
3301 (thread_prologue_an_epilogue_insns): Likewise.
3302 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3304 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3305 emit_note_copy_after): Kill.
3306 (emit_note_copy): Do not worry about line numbers.
3307 * jump.c (purge_line_number_notes): Kill.
3308 (pass_purge_lineno_notes): Kill.
3309 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3311 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3312 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3313 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3314 * tree-pass.h (pass_purge_lineno_notes): Kill.
3315 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3316 rm_redundant_line_notes.
3317 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3318 rm_redundant_line_notes.
3319 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3320 * haifa-sched.c: Update comment about handling notes.
3321 (unlink_line_notes): Kill.
3322 (rm_line_notes): Kill.
3323 (save_line_notes): Simplify.
3324 (rm_redundant_line_notes): Kill.
3326 2006-11-11 Richard Guenther <rguenther@suse.de>
3328 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3329 Remove unused tree codes.
3330 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3331 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3332 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3333 * tree.c (stabilize_reference): Likewise.
3334 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3335 fold_unary): Likewise.
3336 * tree-gimple.c (is_gimple_cast): Likewise.
3337 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3338 * expr.c (expand_expr_real_1): Likewise.
3339 * tree-eh.c (tree_could_trap_p): Likewise.
3340 * gimplify.c (gimplify_expr): Likewise.
3341 * tree-inline.c (estimate_num_insns_1): Likewise.
3342 * tree-cfg.c (verify_expr): Likewise.
3344 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3346 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3347 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3348 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3350 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3353 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3354 constraints accept neither registers or memories.
3356 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3358 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3359 (NO_PROFILE_COUNTERS): Define as 1.
3361 2006-11-10 Roger Sayle <roger@eyesopen.com>
3363 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3364 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3366 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3368 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3370 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3372 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3373 (fold_builtin_hypot): Likewise.
3374 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3376 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3378 2006-11-10 Roger Sayle <roger@eyesopen.com>
3380 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3381 when attempting to build INTEGER_CSTs of non-integral types.
3382 * expmed.c (make_tree): Use the correct type, i.e. the inner
3383 type, when constructing the individual elements of a CONST_VECTOR.
3385 2006-11-10 Jan Hubicka <jh@suse.cz>
3387 * cse.c (cse_process_notes): Copy the propagated value.
3388 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3390 * gcse.c (try_replace_reg): Copy the replacement.
3391 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3392 (assign_386_stack_local): Always return copied memory expression
3393 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3396 2006-11-10 Jan Hubicka <jh@suse.cz>
3398 * final.c (final): Walk from first instruction.
3399 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3401 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3404 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3406 (umulv8hi3_highpart): Ditto.
3407 (vec_widen_smult_hi_v8hi): New expander.
3408 (vec_widen_smult_lo_v8hi): Ditto.
3410 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3413 * builtins.c (do_mpfr_arg3): New.
3414 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3416 2006-11-09 Eric Christopher <echristo@apple.com>
3421 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3422 * config.gcc (powerpc64-*-darwin*): New target.
3423 * config.host: Ditto.
3424 * config/rs6000/darwin64.h: New file.
3425 * config/rs6000/x-darwin64: Ditto.
3426 * config/rs6000/host-ppc64-darwin.c: Ditto.
3428 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3430 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3431 routines for integer division.
3433 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3435 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3437 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3440 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3442 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3444 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3445 simplify_subreg with BLKmode outer mode.
3447 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3449 * doc/invoke.texi: Minor formatting fixes in option lists.
3451 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3453 PR tree-optimization/29738
3454 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3455 (ccp_lattice_t): Remove UNKNOWN_VAL.
3456 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3457 Do not handle UNKNOWN_VAL.
3458 (get_default_value): Set initial value of virtual operands to
3460 (get_value): Always use get_default_value on uninitialized
3462 (set_value_varying, surely_varying_stmt_p): New functions.
3463 (set_lattice_value): Do not pass argument to get_value.
3464 Do not handle UNKNOWN_VAL.
3465 (likely_value): Follow the semantics described in the comment.
3466 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3467 phi nodes DONT_SIMULATE_AGAIN.
3468 (ccp_fold): Do not pass argument to get_value.
3469 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3472 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3474 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3475 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3477 2006-11-08 Roger Sayle <roger@eyesopen.com>
3479 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3480 test for inclusion rather than as a test for exclusion.
3481 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3482 the condition after calling fold_binary.
3483 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3484 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3485 * builtins.c (fold_builtin_isascii): Likewise.
3486 (fold_builtin_isdigit): Likewise.
3488 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3490 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3491 * configure: Regenerate.
3493 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3495 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3496 enum argument instead of bool.
3497 (vect_analyze_operations): Call vectorizable_type_promotion.
3498 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3499 stmt_vec_info_type value.
3500 (supportable_widening_operation, vectorizable_type_promotion): New
3501 function declarations.
3502 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3503 (vectorizable_type_promotion): New function.
3504 (vect_transform_stmt): Call vectorizable_type_promotion.
3505 * tree-vect-analyze.c (supportable_widening_operation): New function.
3506 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3508 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3511 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3512 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3513 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3515 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3516 * expr.c (expand_expr_real_1): Likewise.
3517 * optabs.c (optab_for_tree_code): Likewise.
3518 (init_optabs): Initialize new optabs.
3519 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3520 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3521 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3522 vec_unpacku_lo_optab): Initialize new optabs.
3523 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3524 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3525 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3527 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3528 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3529 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3530 (vec_unpacku_lo_optab): New optabs.
3531 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3532 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3533 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3534 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3535 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3536 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3538 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3539 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3540 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3541 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3542 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3543 implement the unsigned unpacking patterns.
3544 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3545 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3546 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3547 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3548 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3549 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3550 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3551 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3552 multiplication patterns.
3554 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3555 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3556 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3557 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3558 (rs6000_builtin_mul_widen_odd): New.
3559 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3560 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3561 * tree-vectorizer.h (enum vect_relevant): New enum type.
3562 (_stmt_vec_info): Field relevant chaned from bool to enum
3564 (STMT_VINFO_RELEVANT_P): Updated.
3565 (STMT_VINFO_RELEVANT): New.
3566 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3567 instead of STMT_VINFO_RELEVANT_P.
3568 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3569 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3570 and boolean variable with enum vect_relevant.
3571 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3572 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3573 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3575 2006-11-08 Richard Henderson <rth@redhat.com>
3577 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3578 vec_widen_umult_lo_v8hi): New.
3579 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3580 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3582 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3583 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3584 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3585 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3586 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3587 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3588 vec_unpacks_lo_v4si): New.
3590 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3592 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3593 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3594 (vect_analyze_operations): Call vectorizable_type_demotion.
3595 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3596 stmt_vec_info_type value.
3597 (vectorizable_type_demotion): New function declaration.
3598 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3601 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3602 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3604 * tree-iniline.c (estimate_num_insns_1): Likewise.
3605 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3606 * optabs.c (optab_for_tree_code): Likewise.
3608 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3609 compared against the predicate of the result is not 'mode' (the input
3610 to the function) but a mode with half the size of 'mode'.
3611 (init_optab): Initialize new optabs.
3612 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3614 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3616 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3617 (vec_pack_usat_optab): Initialize new optabs.
3618 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3619 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3621 2006-11-08 Richard Henderson <rth@redehat.com>
3623 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3624 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3625 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3626 (vec_interleave_highv4si, vec_interleave_lowv4si):
3627 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3629 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3631 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3633 (vect_transform_stmt): Removed redundant code.
3635 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3637 * tree-vect-transform.c (vectorizable_operation): Support multiple
3640 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3642 * tree-vect-transform.c (vect_align_data_ref): Removed.
3643 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3644 Updated function documentation. Return the increment stmt in ptr_incr.
3645 (bump_vector_ptr): New function.
3646 (vect_get_vec_def_for_stmt_copy): New function.
3647 (vect_finish_stmt_generation): Create a stmt_info to newly created
3649 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3651 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3652 VF is greater than the number of elements that can fit in one vector
3654 (vectorizable_operation, vectorizable_condition): Likewise.
3655 (vectorizable_store, vectorizable_load): Support the case that the VF
3656 is greater than the number of elements that can fit in one vector word.
3657 (vect_transform_loop): Don't fail in case of multiple data-types.
3658 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3659 in case of multiple data-types; the smallest type determines the VF.
3660 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3661 if they are of different sizes.
3662 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3663 number of elements rather than number of bytes.
3664 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3665 (vect_can_advance_ivs_p): Fix a dump printout
3667 2006-11-07 Eric Christopher <echristo@apple.com>
3669 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3670 (__bswapsi2): Ditto.
3671 * libgcc2.h: Remove transformation of bswap routines.
3672 * config/i386/i386.md (bswapsi2): New.
3675 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3677 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3678 (handle_gnu_inline_attribute): New function.
3679 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3680 (merge_decls, start_decl, start_function): Likewise.
3681 * doc/extend.texi: Document gnu_inline attribute.
3683 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3686 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3687 _fixunstfdi, and _floatditf
3689 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3691 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3693 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3694 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3695 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3696 which start in an odd register.
3698 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3700 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3702 2006-11-07 Josh Conner <jconner@apple.com>
3704 * doc/invoke.texi (fstrict-aliasing): Move implementation
3706 * doc/tree-ssa.texi (Alias analysis): ...here.
3708 2006-11-07 Richard Guenther <rguenther@suse.de>
3710 PR tree-optimization/29610
3711 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3712 of tree_purge_dead_eh_edges as it may free dominators.
3714 * g++.dg/other/pr29610.C: New testcase.
3716 2006-11-07 David Ung <davidu@mips.com>
3718 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3719 costs when optimizing for size.
3720 (override_options): Use mips_rtx_cost_optimize_size table for cost
3723 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3725 * gcc.c (process_command): Treat -b as normal switch if its argument
3728 2006-11-07 David Ung <davidu@mips.com>
3730 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3733 2006-11-06 Eric Christopher <echristo@apple.com>
3735 * config.gcc: Add x86_64-darwin host support.
3736 * config.host: Ditto.
3737 * config/i386/darwin64.h: New file.
3738 * config/i386/t-darwin64: Ditto.
3740 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3742 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3743 and output-exists-not.
3745 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3748 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3749 checking for overflow.
3751 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3753 * configure.ac: Fixed typo in case statement: :: changed to ;;
3755 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3757 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3758 count_leading_zeros, and count_trailing_zeros.
3759 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3760 (TARGET_FOLD_BUILTIN): Define.
3761 (TARGET_EXPAND_BUILTIN): Define.
3762 (xtensa_init_builtins): New.
3763 (xtensa_fold_builtin): New.
3764 (xtensa_expand_builtin): New.
3765 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3766 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3767 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3768 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3769 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3770 (any_extend): New code macro.
3771 (u, su): New code attributes.
3772 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3773 (nsau): Remove; replaced by clzsi2.
3774 (ffssi2): Use clzsi2.
3775 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3776 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3777 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3778 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3779 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3781 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3783 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3785 * config/arm/t-strongarm-elf: Likewise.
3786 * config/arm/t-pe: Likewise.
3787 * config/arm/t-arm-elf: Likewise.
3788 * config/arm/t-xscale-elf: Likewise.
3789 * config/arm/t-arm-coff: Likewise.
3790 * config/arm/t-xscale-coff: Likewise.
3791 * config/arm/t-wince-pe: Likewise.
3793 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3795 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3798 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3801 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3804 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3807 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3808 as a valid 80387 constant.
3809 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3810 * config/i386/i386.md (unnamed splitter): Split the load of
3811 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3814 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3816 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3817 from the soft-frame, argument and virtual registers.
3819 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3821 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3822 patterns for standard 80387 constants.
3824 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3825 Steven Bosscher <steven@gcc.gnu.org>
3827 * fwprop.c: New file.
3828 * Makefile.in: Add fwprop.o.
3829 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3830 * passes.c (init_optimization_passes): Schedule forward propagation.
3831 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3833 * timevar.def (TV_FWPROP): New.
3834 * common.opt (-fforward-propagate): New.
3835 * opts.c (decode_options): Enable forward propagation at -O2.
3836 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3837 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3838 canon_for_address, table_size): Remove.
3839 (new_basic_block, insert, remove_from_table): Remove references to
3841 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3842 simplification loop more straightforward by not calling fold_rtx
3844 (equiv_constant): Move here a small part of fold_rtx_subreg,
3845 do not call fold_rtx. Call avoid_constant_pool_reference
3847 * recog.h (canonicalize_change_group): New.
3849 * doc/invoke.texi (Optimization Options): Document fwprop.
3850 * doc/passes.texi (RTL passes): Document fwprop.
3852 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3854 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3855 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3856 (grokdeclarator): Likewise.
3858 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3860 * tree-dump.c (dump_enable_all): Rename local variable
3861 ir_type to avoid name conflicts.
3862 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3863 instead of using ir_type().
3864 * profile.c (tree_register_profile_hooks): Likewise.
3865 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3866 * basic-block.h (struct edge_def): Likewise.
3867 * config/arm/arm.c (legitimize_pic_address): Likewise.
3868 * coretypes.h (ir_type): New enum of all intermediate languages
3870 * cfghooks.c (ir_type): Rename to...
3871 (current_ir_type): ...this. Distinguish between cfgrtl and
3872 cfglayout mode when the current IR is RTL. Return enum ir_type.
3873 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3875 2006-11-03 Paul Brook <paul@codesourcery.com>
3877 * config/arm/arm.c (arm_file_start): New function.
3878 (TARGET_ASM_FILE_START): Define.
3879 (arm_default_cpu): New variable.
3880 (arm_override_options): Set arm_default_cpu.
3882 2006-11-03 David Ung <davidu@mips.com>
3884 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3885 PROCESSOR_24KC and PROCESSOR_24KF.
3886 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3887 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3888 (mips_rtx_cost_data): Add costs for the 24kc.
3889 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3890 * config/mips/24k.md: Remove references to 24k and replace with
3891 uses of 24kc/24kf in the appropriate reservations.
3892 * doc/invoke.texi (MIPS Options): Updated.
3894 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3896 * config/sh/crt1.asm: Fix #ifdef indent.
3898 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3899 Merged from STMicroelectronics sources:
3900 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3901 * config/sh/crt1.asm (vbr_600): Add missing #if.
3902 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3903 * sh.opt (mfused-madd): New option.
3904 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3905 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3906 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3907 Remove pointless handler at VBR+0.
3908 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3909 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3910 fr7. Make sure the timer handler is called with the correct FPU
3911 precision setting, according to the ABI.
3912 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3913 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3914 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3915 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3916 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3917 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3918 zero as second operand.
3919 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3920 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3921 Fixed some bugs related to negative values, in particular -0
3922 and overflow at -0x80000000.
3923 * config/sh/divcost-analysis: Added sh4-300 figures.
3924 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3925 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3926 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3927 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3928 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3929 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3931 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3933 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3934 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3935 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3936 mac_mem, mem_mac, dfp_mul, fp_cmp.
3937 (insn_class, dfp_comp, any_fp_comp): Update.
3938 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3939 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3940 (muldf3_i): Likewise.
3941 (movsi_i): Split rI08 alternative into two separate alternatives.
3943 (movsi_ie, movsi_i_lowpart): Likewise.
3944 (movqi_i): Split ri alternative into two separate alternatives.
3946 * sh1.md (sh1_load_store, sh1_fp): Update.
3947 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3948 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3949 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3950 (sh4a_fp_double_arith): Likewise.
3951 * sh4-300.md: New file.
3952 * sh.c (sh_handle_option): Handle m4-300* options.
3953 (sh_adjust_cost): Fix latency of auto-increments.
3954 Handle SH4-300 differently than other SH4s. Check for new insn types.
3955 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3956 been set by an option.
3957 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3958 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3959 (mbranch-cost=): Likewise.
3960 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3962 * sh.md (mulsf3): Remove special expansion code.
3963 (mulsf3_ie): Now a define_insn_and_split.
3964 (macsf3): Allow for TARGET_SH4.
3966 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3967 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3968 (expand_cbranchdi4): Likewise.
3969 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3970 CONST_DOUBLE if the outer code is COMPARE.
3971 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3972 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3973 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3974 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3975 Remove redundant fp_{zero,one}_operand checks.
3976 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3977 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3978 (expand_cbranchdi4): Likewise.
3979 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3980 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3982 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3984 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3987 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3989 * doc/invoke.texi: Fix mfp-trap-mode typo.
3991 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3993 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3994 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3995 file_end_indicate_exec_stack.
3996 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3998 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3999 for a non-executable stack.
4000 * crti.asm: Likewise.
4001 * crtn.asm: Likewise.
4002 * libunwind.S: Likewise.
4004 2006-11-02 Ben Elliston <bje@au.ibm.com>
4006 * tree-ssa.c (warn_uninit): Use expand_location variables for
4007 locus and declaration locus.
4009 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4012 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4013 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4014 cmp{eq,gt,gtu}{si,di}_media.
4015 (*cmpne0si_media): Remove.
4016 (*movsicc_umin): Adjust gen_cmp*_media call.
4017 (unordered): Change the mode of unordered and operands[1] to
4019 (seq): Adjust gen_cmp*_media calls. Make the mode of
4020 a temporary result of compare SImode if needed. If the mode
4021 of operands[0] is DImode, extend the temporary result to DImode.
4022 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4023 (sunorderd): Change the mode of match_operand and unorderd to
4025 (cmpeq{sf,df}_media): Remove.
4026 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4027 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4028 and compare operation to SImode.
4030 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4032 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4034 (sparc64-sun-solaris2*): Likewise.
4036 2006-11-02 Paul Brook <paul@codesourcery.com>
4038 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4039 from priority argument. Use different section for non-default
4041 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4043 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4046 * except.c (switch_to_exception_section): Do not cache the section
4047 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4048 and flag_function_sections is set.
4050 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * builtins.c (do_mpfr_sincos): New.
4054 (fold_builtin_1): Use it to fold builtin sincos.
4056 2006-11-01 Roger Sayle <roger@eyesopen.com>
4058 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4059 it into -D_REENTRANT.
4061 2006-11-01 Roger Sayle <roger@eyesopen.com>
4063 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4064 whether the assembler supports taking the difference of symbols in
4065 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4066 * configure: Regenerate.
4067 * config.in: Regenerate.
4068 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4069 the assembler doesn't support taking the difference of symbols in
4070 different sections, i.e. we're using the native solaris assembler.
4072 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4073 Peter Bergner <bergner@vnet.ibm.com>
4075 * doc/invoke.texi: Add cpu_type power6x
4076 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4077 * config.gcc: Add cpu_type power6x.
4078 * configure.ac: Add test for mf{t,f}gpr instructions.
4079 (HAVE_AS_MFPGPR): New.
4080 * config.in: Regenerate.
4081 * configure: Regenerate.
4082 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4083 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4084 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4085 and mftgpr attributes.
4086 (define_attr "cpu"): Add power6.
4087 Change instruction sequences to use new attributes.
4088 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4089 (fix_truncdfsi2_mfpgpr): New.
4090 (floatsidf_ppc64_mfpgpr): New.
4091 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4092 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4093 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4094 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4095 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4096 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4097 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4098 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4099 cntlz,exts and var_delayed_compare.
4100 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4101 _ARCH_PWR6X, if features enabled.
4102 * config/rs6000/rs6000.opt (mmfpgpr): New.
4103 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4104 (cached_can_issue_more): New variable.
4105 (processor_costs): Add power6_cost.
4106 (rs6000_sched_init): New function.
4107 (is_dispatch_slot_restricted): Deleted.
4108 (set_to_load_agen): New function.
4109 (is_load_insn,is_store_insn): New functions.
4110 (adjacent_mem_locations): New function.
4111 (insn_must_be_first_in_group): New function.
4112 (insn_must_be_last_in_group): New function.
4113 (rs6000_sched_reorder): New function.
4114 (rs6000_sched_reorder2): New function.
4115 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4116 TARGET_SCHED_REORDER2): Define.
4117 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4118 Add power6x. Add MASK_MFPGPR for power6x.
4119 (POWERPC_MASKS): Add MASK_MFPGPR.
4120 (rs6000_override_options): Set rs6000_always_hint to false
4121 for power6. Set rs6000_align_branch_targets. Replace
4122 rs6000_sched_groups check with rs6000_align_branch_targets.
4123 Use PROCESSOR_POWER6.
4124 (last_scheduled_insn): New variable.
4125 (load_store_pendulum): New variable.
4126 (rs6000_variable_issue): Set last_scheduled_insn and
4127 cached_can_issue_more.
4128 (rs6000_adjust_cost): Add power6 cost adjustments.
4129 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4130 with insn_must_be_first_in_group. Add power6 priority adjustments.
4131 (rs6000_issue_rate): Add CPU_POWER6.
4132 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4133 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4134 (TARGET_MFPGPR): New.
4135 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4136 (ASM_CPU_SPEC): Add power6x.
4137 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4139 * config/rs6000/power6.md: New file.
4141 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4143 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4144 HOST_WIDE_INT_PRINT to print high and low parts. Use
4145 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4146 printing a hexadecimal number prefix it with 0x.
4148 2006-11-01 Chris Johns <chris@contemporary.net.au>
4151 * Makefile.in (install-driver): Use exeext when installing
4152 $target-gcc-$version.
4154 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4156 * c-common.c (flag_cpp0x): New.
4157 * c-common.h (flag_cpp0x): New.
4158 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4159 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4160 * c-opts.c (set_std_cxx0x): New.
4161 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4162 * c.opt (std=c++0x): Document.
4163 (std=gnu++0x): Ditto.
4164 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4165 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4167 2006-11-01 Richard Guenther <rguenther@suse.de>
4169 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4171 (ix86_expand_floorceildf_32): Likewise.
4172 (ix86_expand_floorceil): Likewise.
4173 (ix86_expand_trunc): Likewise.
4175 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4177 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4180 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4182 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4184 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4186 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4188 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4189 * configure.ac (use_cxa_atexit): As a special case, don't test
4190 for libc definition of __cxa_atexit on mingw32
4191 * configure: Regenerate.
4192 * config.gcc (i[34567]86-pc-mingw32): Default to
4193 enable__cxa_atexit=yes.
4195 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4197 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4199 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4202 * c-decl.c (start_struct): Don't create self-containing
4204 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4206 * config/rs6000/rs6000-protos.h
4207 (darwin_rs6000_special_round_type_align): New.
4208 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4209 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4211 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4213 * toplev.c (compile_file): Call final_write_globals
4214 even if there have been errors.
4216 2006-10-31 Eric Christopher <echristo@apple.com>
4217 Falk Hueffner <falk@debian.org>
4219 * doc/extend.texi (__builtin_bswap32): Document.
4220 (__builtin_bswap64): Ditto.
4221 * doc/libgcc.texi (bswapsi2): Document.
4223 * doc/rtl.texi (bswap): Document.
4224 * optabs.c (expand_unop): Don't widen a bswap.
4225 (init_optabs): Init bswap. Set libfuncs explicitly
4226 for bswapsi2 and bswapdi2.
4227 * optabs.h (OTI_bswap): New.
4228 (bswap_optab): Ditto.
4229 * genopinit.c (optabs): Handle bswap_optab.
4230 * tree.h (tree_index): Add TI_UINT32_TYPE and
4232 (uint32_type_node): New.
4233 (uint64_type_node): Ditto.
4234 * tree.c (build_common_tree_nodes_2): Initialize
4235 uint32_type_node and uint64_type_node.
4236 * builtins.c (expand_builtin_bswap): New.
4237 (expand_builtin): Call.
4238 (fold_builtin_bswap): New.
4239 (fold_builtin_1): Call.
4240 * fold-const.c (tree_expr_nonnegative_p): Return true
4242 * builtin-types.def (BT_UINT32): New.
4244 (BT_FN_UINT32_UINT32): Ditto.
4245 (BT_FN_UINT64_UINT64): Ditto.
4246 * builtins.def (BUILT_IN_BSWAP32): New.
4247 (BUILT_IN_BSWAP64): Ditto.
4248 * rtl.def (BSWAP): New.
4249 * genattrtab.c (check_attr_value): New.
4250 * libgcc2.c (__bswapSI2): New.
4251 (__bswapDI2): Ditto.
4252 * libgcc2.h (__bswapSI2): Declare.
4253 (__bswapDI2): Ditto.
4254 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4255 * simplify-rtx.c (simplify_const_unary_operation): Return
4257 * libgcc-std.ver (__bwapsi2): Add.
4258 (__bswapdi2): Ditto.
4259 * reload1.c (eliminate_regs_1): Add bswap.
4260 (elimination_effects): Ditto.
4261 * config/i386/i386.h (x86_bswap): New.
4262 (TARGET_BSWAP): Use.
4263 * config/i386/i386.c (x86_bswap): Set.
4265 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4267 * coverage.c (coverage_checksum_string): Update comment.
4268 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4269 of get_file_function_name.
4270 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4271 of get_file_function_name_long.
4272 * tree.c (get_file_function_name): Rename from
4273 get_file_function_name_long; improve comment; handle 'I' and 'D'
4274 specially when the target has ctor/dtor support; remove special
4276 (get_file_function_name): Remove.
4277 * tree.h (get_file_function_name): Rename from
4278 get_file_function_name_long.
4279 (get_file_function_name): Remove prototype.
4281 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4283 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4284 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4286 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4287 Call dsymutil when compiling and linking one or more source files
4290 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4293 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4295 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4297 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4298 inline static functions in c99 mode.
4301 * doc/extend.texi (Inline): Update.
4302 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4303 * c-decl.c (current_extern_inline): Delete.
4304 (pop_scope): Adjust test for an undefined nested function.
4305 Add warning about undeclared inline function.
4306 (diagnose_mismatched_decls): Update comments. Disallow overriding
4307 of inline functions in a translation unit in C99. Allow inline
4308 declarations in C99 at any time.
4309 (merge_decls): Boolize variables. Handle C99 'extern inline'
4311 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4312 C99 inline semantics.
4313 (start_function): Don't clear current_extern_inline. Don't set
4315 (c_push_function_context): Don't push current_extern_inline.
4316 (c_pop_function_context): Don't restore current_extern_inline.
4319 * c-typeck.c (build_external_ref): Warn about static variables
4320 used in extern inline functions.
4321 * c-decl.c (start_decl): Warn about static variables declared
4322 in extern inline functions.
4324 2006-10-31 Roger Sayle <roger@eyesopen.com>
4327 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4328 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4329 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4330 or y is an even integer.
4332 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4335 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4336 * gthr-posix95.h (__gthread_active_p): Likewise.
4338 2006-10-31 Richard Guenther <rguenther@suse.de>
4340 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4341 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4342 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4343 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4344 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4345 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4346 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4347 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4350 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4352 * opts.c (decode_options): Disable CSE skip blocks.
4354 2006-10-30 Dirk Mueller <dmueller@suse.de>
4356 * c-common.h (strict_aliasing_warning): Fix whitespace.
4357 * c-decl (start_function): Move code for main decl warning ..
4358 * c-common.c (check_main_parameter_types): .. here.
4359 * c-common.h (check_main_parameter_types): Declare.
4361 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4366 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4368 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4369 be a PARALLEL containing sets. Return false when out_pat is not
4372 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4374 * config/mips/mips.md (mul<mode>3): Split into...
4375 (mulsi3, muldi3): ...these separate patterns.
4377 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4379 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4380 but with each set of options separated by spaces.
4382 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4384 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4385 dwarf_reg_size_table has been initialized.
4387 2006-10-30 Roger Sayle <roger@eyesopen.com>
4389 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4390 * ddg.c (print_ddg_edge): Likewise.
4391 * dwarf2out.c (prune_unused_types_walk): Likewise.
4392 * ifcvt.c (noce_try_cmove_arith): Likewise.
4393 * langhooks.c (add_builtin_function): Likewise.
4394 * reg-stack.c (subst_stack_regs_pat): Likewise.
4395 * tree.c (expanded_location): Likewise.
4396 * tree-dump.c (dequeue_and_dump): Likewise.
4398 2006-10-30 David Daney <ddaney@avtrex.com>
4400 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4402 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4404 PR tree-optimization/29637
4405 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4406 of the innertype is the innertype itself.
4408 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4410 * dwarf2out.c (file_name_acquire): Correct typo.
4412 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4414 * tree.h (tree_value_handle): Remove struct value_set declaration.
4415 Change value_set to bitmap_set.
4416 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4417 * tree-vn.c (get_value_handle): Made inline and moved to
4419 * tree-flow-inline.h: (has_stmt_ann): New function.
4420 * tree-ssa-pre.c (expressions): New variable.
4421 (next_expression_id): Ditto.
4422 (alloc_expression_id): New function.
4423 (struct value_set): Remove.
4424 (get_expression_id): New function.
4425 (get_or_alloc_expression_id): Ditto.
4426 (expression_for_id): Ditto.
4427 (clear_expression_ids): Ditto.
4428 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4429 (bb_value_sets): Renamed to bb_bitmap_sets.
4430 All value sets replaced with bitmap_sets.
4432 (BB_VISITED): New macro.
4433 (postorder): New variable.
4434 (add_to_value): Removed.
4435 (value_exists_in_set_bitmap): Ditto.
4436 (value_insert_into_set_bitmap): Ditto.
4439 (set_remove): Ditto.
4440 (set_contains_value): Ditto.
4441 (insert_into_set): Ditto.
4443 (find_leader): Ditto.
4444 (bitmap_set_subtract_from_value_set): Ditto.
4445 (value_insert_into_set): Ditto.
4446 (print_value_set): Ditto.
4447 (debug_value_set): Ditto.
4448 (constant_expr_p): New function.
4449 (bitmap_remove_from_set): Ditto.
4450 (bitmap_insert_into_set): Ditto.
4451 (bitmap_set_free): Ditto.
4452 (vh_compare): Ditto.
4453 (sorted_array_from_bitmap_set): Ditto.
4454 (bitmap_set_subtract): Ditto.
4455 (bitmap_set_equal): Ditto.
4456 (debug_bitmap_set): Ditto.
4457 (find_leader_in_sets): Ditto.
4458 (bitmap_set_replace_value): Modify for bitmapped sets.
4459 (phi_translate): Ditto.
4460 (phi_translate_set): Ditto.
4461 (bitmap_find_leader): Ditto.
4462 (valid_in_sets): Ditto.
4463 (union_contains_value): Ditto.
4465 (compute_antic_aux): Ditto. Mark changed blocks.
4466 (compute_antic): Ditto. Iterate in postorder and only over
4468 (compute_rvuse_and_antic_safe): Reuse postorder.
4469 (create_component_ref_by_pieces): Modify for bitmapped sets.
4470 (find_or_generate_expression): Ditto.
4471 (create_expression_by_pieces): Ditto.
4472 (insert_into_preds_of_block): Ditto.
4473 (changed_blocks): New variable.
4474 (do_regular_insertion): Broken out from insert_aux.
4475 (insert_aux): Modified for bitmapped sets.
4476 (find_existing_value_expr): New function.
4477 (create_value_expr_from): Use it.
4478 (insert_extra_phis): Removed.
4479 (print_bitmap_set): Renamed from bitmap_print_value_set.
4480 (compute_avail): Handle RETURN_EXPR.
4481 (init_pre): Modify for bitmapped sets.
4482 * tree-flow.h (has_stmt_ann): New function.
4484 2006-10-29 Roger Sayle <roger@eyesopen.com>
4486 * builtins.c (fold_builtin_floor): Check for the availability of
4487 the C99 trunc function before transforming floor into trunc.
4489 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4491 * builtins.c (fold_builtin_hypot): Rearrange recursive
4492 transformation before others, and also do ABS_EXPR. When
4493 necessary, check flag_unsafe_math_optimizations. When necessary,
4496 2006-10-29 Roger Sayle <roger@eyesopen.com>
4498 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4499 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4500 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4501 Fold -X eq/ne -Y as X eq/ne Y.
4503 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4505 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4506 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4507 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4508 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4509 Use an inclusive test for "mult" rather than "mul".
4510 (rotr<mode>3): Depend on ISA_HAS_ROR.
4511 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4513 (GENERATE_MULT3_DI): Delete.
4514 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4515 (ISA_HAS_MUL3): New macro.
4516 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4517 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4518 (ISA_HAS_CLZ_CLO): Likewise.
4519 (ISA_HAS_DCLZ_DCLO): Delete.
4520 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4521 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4522 the VR4120 and VR4130.
4523 (ISA_HAS_MACCHI): Use consistent formatting.
4524 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4525 (ISA_HAS_ROR): ...this new macro.
4526 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4527 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4528 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4530 2006-10-29 Roger Sayle <roger@eyesopen.com>
4532 PR tree-optimization/15458
4533 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4536 2006-10-29 Richard Guenther <rguenther@suse.de>
4538 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4539 (ix86_expand_truncdf_32): Likewise.
4540 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4541 trunc inline for SSE math and -fno-trapping-math and if not
4542 optimizing for size.
4543 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4544 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4545 for expanding btrunc inline for SSE math.
4547 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4549 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4550 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4551 i[34567]86-*-solaris2.1[0-9]*.
4552 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4553 Define conditionally depending on TARGET_64BIT_DEFAULT.
4554 (SPEC_32, SPEC_64): Define.
4555 (LINK_SPEC): Use them.
4556 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4558 2006-10-29 Richard Guenther <rguenther@suse.de>
4560 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4561 (ix86_expand_rounddf_32): Likewise.
4562 * config/i386/i386.c (ix86_expand_round): New function expanding
4563 round inline for SSE math and -fno-trapping-math and if not
4564 optimizing for size.
4565 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4566 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4567 round via ix86_expand_round.
4569 2006-10-29 Richard Guenther <rguenther@suse.de>
4571 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4572 (ix86_expand_floorceildf_32): Likewise.
4573 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4574 static helper function.
4575 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4577 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4578 * config/i386/i386.md (floordf2): Adjust to enable floor
4579 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4580 -fno-trapping-math is enabled and if not optimizing for size.
4581 (floorsf2, ceildf2, ceilsf2): Likewise.
4582 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4583 (sse2_maskcmpdf3): Likewise.
4585 2006-10-29 Richard Guenther <rguenther@suse.de>
4587 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4588 rint in case -fno-trapping-math is enabled.
4589 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4590 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4591 (ix86_expand_sse_fabs): Likewise.
4592 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4593 * config/i386/i386.md (rintdf2): Enable for SSE math if
4594 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4595 (rintsf2): Likewise.
4597 2006-10-29 Richard Guenther <rguenther@suse.de>
4599 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4600 to conversion optabs.
4601 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4602 as conversion optab.
4603 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4604 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4605 (lfloor_optab, lceil_optab): Adjust defines.
4606 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4607 lfloor and lceil optabs now being conversion optabs.
4608 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4609 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4610 New static helper function.
4611 (ix86_expand_lfloorceil): New function to expand lfloor and
4613 * config/i386/i386.md (lfloor<mode>2): Split into ...
4614 (lfloorxf<mode>2): ... x87 variant
4615 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4616 using ix86_expand_lfloorceil.
4617 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4619 * doc/md.texi (lfloorMN, lceilMN): Document.
4621 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4623 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4624 -mno-shared assembler option on mips targets.
4625 * configure, config.in: Regenerate.
4626 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4627 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4628 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4630 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4632 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4633 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4635 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4637 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4638 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4641 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4645 (fold_builtin_pow): Evaluate constant arguments at compile-time
4647 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4648 (do_mpfr_ckconv): New helper function.
4649 (do_mpfr_arg1): Use do_mpfr_ckconv.
4650 (do_mpfr_arg2): New.
4652 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4655 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4656 (-fdump-rtl-sched): Rename to ..
4657 (-fdump-rtl-sched1): here. Also fix file extension number.
4659 2006-10-28 Richard Guenther <rguenther@suse.de>
4661 * fold-const.c (maybe_canonicalize_comparison): Fix code
4664 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4666 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4667 (NON_QI_REG_P): Use IN_RANGE.
4668 (REX_INT_REGNO_P): Use IN_RANGE.
4669 (FP_REGNO_P): Use IN_RANGE.
4670 (SSE_REGNO_P): Use IN_RANGE.
4671 (REX_SSE_REGNO_P): Use IN_RANGE.
4672 (MMX_REGNO_P): Use IN_RANGE.
4673 (STACK_REGNO_P): New macro.
4674 (STACK_REG_P): Use STACK_REGNO_P.
4675 (NON_STACK_REG_P): Use STACK_REGNO_P.
4676 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4677 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4678 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4679 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4680 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4682 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4684 * except.h (output_function_exception_table): Add 'const char*' param.
4685 * except.c (switch_to_exception_section): Add 'const char*' param.
4686 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4687 and flag_function_sections is set, use a function-specific section.
4688 (output_function_exception_table): Add 'const char*' param.
4689 Adjust call to switch_to_exception_section.
4690 * final.c (rest_of_handle_final): Adjust calls to
4691 output_function_exception_table.
4692 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4693 * config.in: Regenerate.
4694 * configure: Likewise.
4696 2006-10-28 Richard Guenther <rguenther@suse.de>
4699 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4700 for maybe_canonicalize_comparison.
4701 (maybe_canonicalize_comparison): New function for canonicalizing
4703 (fold_comparison): Call it to canonicalize comparisons with
4706 2006-10-28 Richard Guenther <rguenther@suse.de>
4709 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4710 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4711 (expand_builtin): Adjust likewise.
4712 * genopinit.c (optabs[]): Add lround optab.
4713 * optabs.c (init_optabs): Initialize lround_optab.
4714 * optabs.h (enum convert_optab_index): Add COI_lround.
4715 (lround_optab): Define.
4716 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4717 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4719 (ix86_expand_lround): New function.
4720 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4722 * doc/md.texi (lroundMN2): Document.
4724 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4727 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4728 argument to HOST_WIDE_INT. Update function prototype.
4729 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4730 "size" argument to HOST_WIDE_INT. Update function prototype.
4732 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4734 * config/i386/i386.c (output_387_ffreep): Create output from a
4735 template string for !HAVE_AS_IX86_FFREEP.
4737 2006-10-27 Eric Christopher <echristo@apple.com>
4739 * config/darwin.c: Fix formatting and grammar.
4741 2006-10-27 Jan Hubicka <jh@suse.cz>
4743 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4744 to be thrown away soon when IGNORE is set.
4745 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4746 indicating when return value shall not be computed.
4747 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4749 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4751 * config/i386/i386.h (TARGET_GEODE):
4752 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4753 (TARGET_CPU_DEFAULT_geode): New macro.
4754 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4755 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4756 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4757 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4758 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4760 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4761 (processor_type): Add PROCESSOR_GEODE.
4763 * config/i386/i386.md: Include geode.md.
4766 * config/i386/i386.c (geode_cost): New initialized global
4768 (m_GEODE, m_K6_GEODE): New macros.
4769 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4770 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4771 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4772 x86_schedule): Use m_K6_GEODE instead of m_K6.
4773 (x86_movx, x86_cmove): Set up m_GEODE.
4774 (x86_integer_DFmode_moves): Clear m_GEODE.
4775 (processor_target_table): Add entry for geode.
4776 (processor_alias_table): Ditto.
4778 * config/i386/geode.md: New file.
4780 * doc/invoke.texi: Add entry about geode processor.
4782 2006-10-27 Mike Stump <mrs@apple.com>
4784 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4785 __DYNAMIC__ from here back to ...
4786 * config/darwin.h (CPP_SPEC): ... here.
4788 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4789 Nathan Sidwell <nathan@codesourcery.com>
4791 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4792 when choosing the minimum heapsize.
4794 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4796 * gcc/unwind-dw2.h: Move cfa-related variables into
4797 struct frame_state_reg_info to ensure that the CFA is properly
4798 handled when executing DW_CFA_{remember,restore}_state.
4799 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4800 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4801 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4802 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4803 gcc/config/rs6000/linux-unwind.h,
4804 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4805 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4806 Modify to use new cfa_* fields.
4808 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4810 * config/s390/s390.c (s390_init_frame_layout): Check positive
4813 2006-10-26 Ben Elliston <bje@au.ibm.com>
4815 * gimplify.c (get_name): Remove extraneous break.
4816 (gimplify_omp_for): Initialise ret with GS_OK.
4818 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4820 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4821 Add unix98.o to link line.
4823 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4826 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4827 Calculate compile-time constants using MPFR.
4828 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4829 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4831 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4833 * config/xtensa/lib2funcs.S: Use C-style comments.
4835 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4837 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4838 (file_table_relative_p): Likewise.
4839 (dwarf2out_finish): Likewise.
4840 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4842 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4844 * tree-ssa-structalias.c (intra_create_variable_infos):
4845 Don't recreate nonlocal_all if it already exists.
4847 2006-10-25 Richard Guenther <rguenther@suse.de>
4850 * optabs.h (enum optab_index): Remove OTI_lrint.
4851 (enum convert_optab_index): Add COI_lrint.
4852 (lrint_optab): Adjust.
4853 (expand_sfix_optab): Declare.
4854 * optabs.c (expand_sfix_optab): New function.
4855 (init_optabs): Init lrint_optab as conversion optab.
4856 * genopinit.c (lrint_optab): Change to a conversion optab.
4857 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4858 expansion via conversion optab.
4859 * config/i386/i386.md (*fistdi2_1): Remove
4860 flag_unsafe_math_optimizations guard.
4861 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4862 fist<mode>2_with_temp): Likewise.
4863 (lrint<mode>2): Split into...
4864 (lrintxf<mode>2): ... x87 part
4865 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4866 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4867 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4868 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4869 * doc/md.texi (lrintMN2): Document.
4871 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4874 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4875 Use inc and dec instructions for TARGET_USE_INCDEC.
4876 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4877 ("sync_double_compare_and_swap<mode>"): Likewise.
4878 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4879 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4880 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4881 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4882 ("sync_old_add<mode>"): Likewise.
4883 ("sync_lock_test_and_set<mode>"): Likewise.
4884 ("sync_lock_test_and_set<mode>"): Likewise.
4885 ("sync_add<mode>"): Likewise.
4886 ("sync_sub<mode>"): Likewise.
4887 ("sync_ior<mode>"): Likewise.
4888 ("sync_and<mode>"): Likewise.
4889 ("sync_xor<mode>"): Likewise.
4891 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4893 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4894 (remainder_optab): Define corresponding macro.
4895 (drem_optab): Remove.
4896 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4897 drem_optab initialization.
4898 * genopinit.c (optabs): Implement remainder_optab using
4899 remainder?f3 patterns. Remove drem_optab.
4900 * builtins.c (expand_builtin_mathfn_2): Handle
4901 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4902 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4903 expand_builtin_mathfn_2.
4905 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4906 depend on flag_unsafe_math_optimizations.
4908 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4909 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4910 Do not depend on flag_unsafe_math_optimizations. Use
4911 truncxf?f expander instead of truncxf?f_i387_noop.
4913 ("fpremxf4", "fprem1xf4"): Do not depend on
4914 flag_unsafe_math_optimizations.
4915 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4916 flag_unsafe_math_optimizations. Use truncxf?f expander
4917 instead of truncxf?f_i387_noop.
4919 * doc/md.texi (fmod, remainder): Document standard named pattern.
4921 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4922 David Daney <ddaney@avtrex.com>
4925 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4927 2006-10-25 Ben Elliston <bje@au.ibm.com>
4929 * doc/extend.texi (Variable Attributes): Typo fix.
4931 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4933 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4934 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4935 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4936 (FRAME_POINTER_REGNUM): Update register number to 21.
4937 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4938 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4940 * config/i386/i386.c (regclass_map): Add fpcr entry.
4941 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4943 (print_reg): Assert REGNO (x) != FPCR_REG.
4945 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4946 (DIRFLAG_REG): Renumber.
4947 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4948 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4949 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4950 hardcoded SSE register numbers.
4952 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4953 hardcoded MMX register numbers.
4955 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4958 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4959 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4961 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4962 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4963 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4964 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4966 2006-10-24 Richard Guenther <rguenther@suse.de>
4969 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4970 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4971 for deciding optimizations in consistency with fold-const.c
4972 (fold_builtin_unordered_cmp): Likewise.
4974 2006-10-24 Richard Guenther <rguenther@suse.de>
4976 * builtins.c (fold_builtin_floor): Fold floor (x) where
4977 x is nonnegative to trunc (x).
4978 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4979 nonnegative to FIX_TRUNC_EXPR.
4981 2006-10-24 Richard Guenther <rguenther@suse.de>
4983 PR tree-optimization/29567
4984 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4985 for TRUTH_NOT_EXPR. Clarify comments.
4987 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4991 at compile-time using MPFR. Change parameter VALUE to FUNC,
4993 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4994 for overflow and underflow at all times and avoid folding in
4997 2006-10-24 Ben Elliston <bje@au.ibm.com>
4999 * reload1.c: Formatting fixes.
5001 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5003 PR tree-optimization/14784
5004 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5005 * tree-ssa-structalias.c (get_constraint_for,
5006 intra_create_variable_infos): Set is_heapvar.
5007 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5008 non-heapvar pointer variables specially.
5010 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5013 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5014 fold_builtin_tan): Fold all constant arguments. Take a "type"
5015 argument as necessary.
5016 (do_mpfr_arg1): New.
5017 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5019 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5021 * config/xtensa/lib1funcs.asm: Use C-style comments.
5023 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5025 * tree.c (local_define_builtin): Replace calls to
5026 lang_hooks.builtin_function with add_builtin_function.
5027 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5029 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5031 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5032 common code to add_builtin_function.
5033 * langhooks.c (add_builtin_function): New function.
5034 (lhd_builtin_function): New function.
5035 * langhooks.h (struct lang_hooks): Change the signature of
5037 (add_builtin_function): New function.
5038 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5039 calls to lang_hooks.builtin_function with add_builtin_function.
5040 * c-common.c (decl_builtin_1): Replace calls to
5041 lang_hooks.builtin_function with add_builtin_function.
5042 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5043 lang_hooks.builtin_function with add_builtin_function.
5044 * config/frv/frv.c (def_builtin): Replace calls to
5045 lang_hooks.builtin_function with add_builtin_function.
5046 * config/s390/s390.c (s390_init_builtins): Replace calls to
5047 lang_hooks.builtin_function with add_builtin_function.
5048 * config/sparc/sparc.c (def_builtin): Replace calls to
5049 lang_hooks.builtin_function with add_builtin_function.
5050 * config/i386/i386.c (def_builtin): Replace calls to
5051 lang_hooks.builtin_function with add_builtin_function.
5052 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5053 lang_hooks.builtin_function with add_builtin_function.
5054 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5055 lang_hooks.builtin_function with add_builtin_function.
5056 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5057 Replace calls to lang_hooks.builtin_function with
5058 add_builtin_function.
5059 * config/iq2000/iq2000.c (def_builtin):
5060 Replace calls to lang_hooks.builtin_function with
5061 add_builtin_function.
5062 * config/ia64/ia64.c (def_builtin): Replace calls to
5063 lang_hooks.builtin_function with add_builtin_function.
5064 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5065 lang_hooks.builtin_function with add_builtin_function.
5066 (altivec_init_builtins): Replace calls to
5067 lang_hooks.builtin_function with add_builtin_function.
5068 * config/arm/arm.c (def_mbuiltin): Replace calls to
5069 lang_hooks.builtin_function with add_builtin_function.
5070 (arm_init_tls_builtins): Replace calls to
5071 lang_hooks.builtin_function with add_builtin_function.
5072 * config/mips/mips.c (mips_init_builtins): Replace calls to
5073 lang_hooks.builtin_function with add_builtin_function.
5074 * config/bfin/bfin.c (def_builtin): Replace calls to
5075 lang_hooks.builtin_function with add_builtin_function.
5076 * langhooks-def.h (lhd_builtin_function): New function.
5077 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5079 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5081 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5082 BUILT_IN_STRNCAT_CHK.
5084 2006-10-23 Jan Hubicka <jh@suse.cz>
5086 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5087 don't do conversion from memmove to memcpy here.
5088 (expand_builtin_bcopy, expand_builtin): Update call of
5089 expand_builtin_memmove.
5090 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5092 2006-10-23 Paul Brook <paul@codesourcery.com>
5094 * stor-layout.c (start_record_layout): maximum_field_alignment
5095 overrides STRUCTURE_SIZE_BOUNDARY.
5097 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5099 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5100 nonlocal function symbols if flag_pic.
5102 2006-10-23 Richard Guenther <rguenther@suse.de>
5106 * builtins.c (fold_binary): Remove checks for flag_wrapv
5107 and flag_trapv where negate_expr_p covers these cases.
5109 2006-10-23 Richard Guenther <rguenther@suse.de>
5112 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5113 of two on the absolute value.
5114 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5115 and negating -C does not overflow.
5117 2006-10-23 Richard Guenther <rguenther@suse.de>
5120 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5121 only if not flag_rounding_math.
5123 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5124 Kaz Kojima <kkojima@gcc.gnu.org>
5127 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5128 SImode memory reference for the source of a movua.
5129 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5130 (movua): Use an unspec instead of sign_extract. Expect the source
5131 to have mode BLKmode.
5132 (extv, insv): Use a BLKmode rather than SImode memory reference
5133 for the source of a movua.
5135 2006-10-22 Jeff Law <law@redhat.com>
5136 Richard Guenther <rguenther@suse.de>
5138 PR tree-optimization/15911
5139 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5140 (register_edge_assert_for_1): Likewise.
5141 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5142 (find_conditional_asserts): Adjust for new function signature.
5143 (find_assert_locations): Likewise.
5145 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5147 * config/i386/tmmintrin.h: Remove the duplicated content.
5149 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5151 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5152 (x86_64-*-*): Likewise.
5154 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5155 (override_options): Check SSSE3.
5156 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5157 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5158 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5159 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5160 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5161 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5162 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5163 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5164 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5165 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5166 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5167 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5168 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5169 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5170 IX86_BUILTIN_PABSD128.
5171 (bdesc_2arg): Add SSSE3.
5172 (bdesc_1arg): Likewise.
5173 (ix86_init_mmx_sse_builtins): Support SSSE3.
5174 (ix86_expand_builtin): Likewise.
5175 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5177 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5178 (UNSPEC_PSIGN): Likewise.
5179 (UNSPEC_PALIGNR): Likewise.
5180 Include mmx.md before sse.md.
5182 * config/i386/i386.opt: Add -mssse3.
5184 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5185 (ssse3_phaddwv4hi3): Likewise.
5186 (ssse3_phadddv4si3): Likewise.
5187 (ssse3_phadddv2si3): Likewise.
5188 (ssse3_phaddswv8hi3): Likewise.
5189 (ssse3_phaddswv4hi3): Likewise.
5190 (ssse3_phsubwv8hi3): Likewise.
5191 (ssse3_phsubwv4hi3): Likewise.
5192 (ssse3_phsubdv4si3): Likewise.
5193 (ssse3_phsubdv2si3): Likewise.
5194 (ssse3_phsubswv8hi3): Likewise.
5195 (ssse3_phsubswv4hi3): Likewise.
5196 (ssse3_pmaddubswv8hi3): Likewise.
5197 (ssse3_pmaddubswv4hi3): Likewise.
5198 (ssse3_pmulhrswv8hi3): Likewise.
5199 (ssse3_pmulhrswv4hi3): Likewise.
5200 (ssse3_pshufbv16qi3): Likewise.
5201 (ssse3_pshufbv8qi3): Likewise.
5202 (ssse3_psign<mode>3): Likewise.
5203 (ssse3_psign<mode>3): Likewise.
5204 (ssse3_palignrti): Likewise.
5205 (ssse3_palignrdi): Likewise.
5206 (abs<mode>2): Likewise.
5207 (abs<mode>2): Likewise.
5209 * config/i386/tmmintrin.h: New file.
5211 * doc/extend.texi: Document SSSE3 built-in functions.
5213 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5215 2006-10-22 Ira Rosen <irar@il.ibm.com>
5217 * tree-vect-transform.c (vectorizable_load): Use the type of the
5218 return value of the mask_for_load builtin to create realign_load
5221 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5223 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5226 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5228 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5229 (UNSPEC_LDDQU): This.
5230 * config/i386/sse.md (sse3_lddqu): Updated.
5232 2006-10-21 Richard Guenther <rguenther@suse.de>
5234 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5235 (expand_builtin): Use it to expand lrint instead of
5236 expand_builtin_mathfn.
5238 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5241 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5242 flag_unsafe_math_optimizations is set.
5244 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5247 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5248 patterns to use memory input operand in x87->mem->XMM
5249 reload sequences. Skip transformation for TARGET_K8.
5251 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5253 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5254 force operand1 to register if both operands are memory operands.
5255 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5256 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5257 if both operands are memory operands.
5258 (truncdfsf2): Do not force operand1 to register if both operands
5259 are memory operands.
5261 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263 * Makefile.in (LIBS): Add $(GMPLIBS).
5264 * doc/install.texi: Update GMP and MPFR requirements.
5265 * doc/sourcebuild.texi (need_gmp): Delete.
5267 2006-10-21 Richard Guenther <rguenther@suse.de>
5269 PR tree-optimization/3511
5270 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5271 got new invariant arguments during PHI translation.
5273 2006-10-21 Richard Guenther <rguenther@suse.de>
5276 * fold-const.c (fold_comparison): Fold signed comparisons
5277 of the form X +- C1 CMP Y +- C2.
5279 2006-10-21 Richard Guenther <rguenther@suse.de>
5282 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5283 if flag_unsafe_math_optimizations is specified. We have
5284 flag_finite_math_only for that.
5285 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5286 or flag_unsafe_math_optimizations.
5288 2006-10-21 Richard Guenther <rguenther@suse.de>
5290 * builtins.c (fold_builtin_classify): Fix typo.
5292 2006-10-21 Richard Guenther <rguenther@suse.de>
5295 * simplify-rtx.c (simplify_const_relational_operation):
5296 Do not constant-fold ORDERED and UNORDERED for
5297 flag_unsafe_math_optimizations but only we do not need to
5298 honor NaNs for the given mode.
5300 2006-10-21 Richard Guenther <rguenther@suse.de>
5303 * config/i386/i386.c (classify_argument): Remove redundant
5304 walking of the BINFOs.
5305 (contains_128bit_aligned_vector_p): Likewise.
5307 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5309 * BASE-VER: Set to 4.3.0.
5311 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5313 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5314 (tree_decl_with_vis): Remove artificial_pta_var flag.
5315 * tree-flow.h (referenced_var_check_and_insert): Expose.
5316 (nonlocal_all): New prototype.
5317 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5318 (nonlocal_all): Make global.
5319 (nonlocal_lookup): Remove.
5320 (nonlocal_insert): Ditto.
5321 (create_nonlocal_var): Do not call nonlocal_insert.
5322 (get_nonlocal_id_for_type): Remove.
5323 (find_global_initializers): Mark new vars we find for renaming.
5324 (intra_create_variable_infos): Only create one nonlocal.
5325 (expand_nonlocal_solutions): Remove.
5326 (compute_points_to_sets): Don't call it.
5327 (ipa_pta_execute): Ditto.
5328 (init_alias_heapvars): Don't create nonlocal_for_type.
5329 (delete_alias_heapvars): Don't remove it.
5330 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5333 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5335 * doc/install.texi (Downloading GCC): Clarify mention of
5336 Fortran in the "full distribution" description.
5338 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5340 Fix PR tree-optimization/28778
5341 Fix PR tree-optimization/29156
5342 Fix PR tree-optimization/29415
5343 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5344 (tree_decl_with_vis): Add artificial_pta_var flag.
5345 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5346 pushed into callers.
5347 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5348 (nonlocal_all): Ditto.
5349 (struct variable_info): Add directly_dereferenced member.
5350 (var_escaped_vars): New variable.
5351 (escaped_vars_tree): Ditto.
5352 (escaped_vars_id): Ditto.
5353 (nonlocal_vars_id): Ditto.
5354 (new_var_info): Set directly_dereferenced.
5355 (graph_size): New variable
5356 (build_constraint_graph): Use graph_size.
5357 (solve_graph): Don't process constraints that cannot change the
5358 solution, don't try to propagate an empty solution to our
5360 (process_constraint): Set directly_dereferenced.
5361 (could_have_pointers): New function.
5362 (get_constraint_for_component_ref): Don't process STRING_CST.
5363 (nonlocal_lookup): New function.
5364 (nonlocal_insert): Ditto.
5365 (create_nonlocal_var): Ditto.
5366 (get_nonlocal_id_for_type): Ditto.
5367 (get_constraint_for): Allow results vector to be empty in the case
5368 of string constants.
5369 Handle results of calls properly.
5370 (update_alias_info): Update alias info stats on number and type of
5372 (find_func_aliases): Use could_have_pointers.
5373 (make_constraint_from_escaped): Renamed from
5374 make_constraint_to_anything, and changed to make constraints from
5376 (make_constraint_to_escaped): New function.
5377 (find_global_initializers): Ditto.
5378 (create_variable_info_for): Make constraint from escaped to any
5379 global variable, and from any global variable to the set of
5381 (intra_create_variable_infos): Deal with escaped instead of
5382 pointing to anything.
5383 (set_uids_in_ptset): Do type pruning on directly dereferenced
5385 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5386 (init_base_vars): Fix comment, and initialize escaped_vars.
5387 (need_to_solve): Removed.
5388 (find_escape_constraints): New function.
5389 (expand_nonlocal_solutions): Ditto.
5390 (compute_points_to_sets): Call find_escape_constraints and
5391 expand_nonlocal_solutions.
5392 (delete_points_to_sets): Don't fall off the end of the graph.
5393 (init_alias_heapvars): Initialize nonlocal_for_type and
5395 (delete_alias_heapvars): Free nonlocal_for_type and null out
5398 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5400 * fold-const.c (add_double): Rename to add_double_with_sign.
5401 Add 'unsigned_p' parameter and take it into account for the overflow.
5402 (mul_double): Rename to mul_double_with_sign.
5403 Add 'unsigned_p' parameter and take it into account for the overflow.
5404 (fold_div_compare): Call add_double_with_sign instead of add_double
5405 and mul_double_with_sign instead of mul_double, passing them the
5406 unsignedness of the type.
5407 * tree.h (add_double): Macroize.
5408 (add_double_with_sign): New prototype.
5409 (mul_double): Macroize.
5410 (mul_double_with_sign): New prototype.
5412 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5414 * config/score/crti.asm: New file.
5415 * config/score/crtn.asm: New file.
5416 * config/score/elf.h: New file.
5417 * config/score/mac.md: New file.
5418 * config/score/misc.md: New file.
5419 * config/score/mul-div.S: New file.
5420 * config/score/predicates.md: New file.
5421 * config/score/score7.md: New file.
5422 * config/score/score.c: New file.
5423 * config/score/score-conv.h: New file.
5424 * config/score/score.h: New file.
5425 * config/score/score.md: New file.
5426 * config/score/score-mdaux.c: New file.
5427 * config/score/score-mdaux.h: New file.
5428 * config/score/score-modes.def: New file.
5429 * config/score/score.opt: New file.
5430 * config/score/score-protos.h: New file.
5431 * config/score/score-version.h: New file.
5432 * config/score/t-score-elf: New file.
5433 * config.gcc: Add score*-*-* configurations(Update before).
5434 * doc/invoke.texi (Score Options): New section.
5435 * doc/md.texi (Score family): New section to document constraints.
5437 2006-10-19 Nick Clifton <nickc@redhat.com>
5439 * config/arm/arm.c: Fix spelling typo.
5441 2006-10-18 Tom Tromey <tromey@redhat.com>
5443 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5445 2006-10-18 Jan Hubicka <jh@suse.cz>
5448 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5451 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5453 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5454 TSI_SAME_STMT, since that's the desired entity.
5456 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5458 * config/s390/contraints.md: New file.
5459 * config/s390/s390-protos.h (s390_mem_constraint,
5460 s390_O_constraint_str, s390_N_constraint_str,
5461 s390_float_const_zero_p): Function prototypes added.
5462 * config/s390/s390.c (s390_extra_constraint_str,
5463 s390_const_double_ok_for_constraint_p,
5464 s390_const_ok_for_constraint_p): Functions removed.
5465 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5466 s390_float_const_zero_p): New functions.
5467 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5468 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5469 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5470 Macro definitions removed.
5471 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5472 s390_extra_constraint_str): Functions removed.
5474 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5475 Richard Sandiford <richard@codesourcery.com>
5478 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5479 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5481 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5483 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5484 (DWARF2_FRAME_REG_OUT): Likewise.
5485 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5486 (DWARF2_FRAME_REG_OUT): Likewise.
5488 2006-10-17 Paul Brook <paul@codesourcery.com>
5490 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5492 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5494 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5495 Standardize on "GNU Fortran" as the official name of the Fortran
5498 2006-10-16 Mike Stump <mrs@apple.com>
5500 * doc/invoke.texi (Darwin Options): Document -mkernel.
5501 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5503 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5504 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5505 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5506 (OS_MISSING_ALTIVEC): Add.
5507 * config/i386/i386.c (override_options): Add
5508 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5509 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5510 -mkernel, -static or -mdynamic-no-pic is given.
5511 (C_COMMON_OVERRIDE_OPTIONS): Add.
5512 * config/darwin.opt (fapple-kext): Add.
5514 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5515 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5517 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5518 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5519 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5520 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5521 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5522 (flag_mkernel): Add.
5523 (flag_apple_kext): Add.
5524 (TARGET_KEXTABI): Add.
5525 * config/darwin.c (darwin_handle_kext_attribute): Add.
5526 (DARWIN_VTABLE_P): Add.
5527 (darwin_binds_local_p): Add partial support for rebinding vtables
5529 (darwin_kextabi_p): Add.
5530 (darwin_override_options): Add.
5531 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5532 (darwin_kextabi_p): Add.
5533 (darwin_override_options): Add.
5534 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5535 __DYNAMIC__ and __STATIC__ here.
5537 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5539 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5540 Added mention of "make pdf" target, and Texinfo requirements for
5543 2006-10-16 DJ Delorie <dj@redhat.com>
5545 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5546 into the GOT in case we need a subreg of the address.
5548 2006-10-16 Richard Guenther <rguenther@suse.de>
5551 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5552 SSE builtin documentation. Document SSE2 builtins.
5554 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5556 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5557 symbol in the output file for non-shared links when -nostdlib or
5558 -nodefaultlibs isn't specified.
5560 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5561 posix thread support.
5563 2006-10-15 Jan Hubicka <jh@suse.cz>
5566 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5567 declared always_inline even when not inlining.
5569 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5570 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5571 Andrew Pinski <pinskia@gmail.com>
5574 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5576 2006-10-15 Jan Hubicka <jh@suse.cz>
5577 Richard Guenther <rguenther@suse.de>
5580 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5581 process_function_and_variable_attributes on all variables, including
5582 those discovered during cgraph construction phase.
5584 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5586 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5588 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5590 * config/i386/athlon.md (athlon_fist): Add fisttp.
5592 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5593 Ian Lance Taylor <ian@airs.com>
5596 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5597 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5600 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5602 * config/score/score.c, config/score/score.h: Fix comment
5605 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5608 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5611 2006-10-13 Eric Christopher <echristo@apple.com>
5613 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5615 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5618 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5619 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5620 alignment supported by 32-bit ELF.
5622 2006-10-13 Eric Christopher <echristo@apple.com>
5624 * config/darwin.c (darwin_emit_unwind_label): Strip
5625 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5627 2006-10-13 Richard Guenther <rguenther@suse.de>
5629 PR tree-optimization/29446
5630 * tree-vrp.c (fix_equivalence_set): Remove.
5631 (extract_range_from_assert): Do not call fix_equivalence_set.
5632 (debug_value_range): Print a newline.
5633 (compare_name_with_value): For equivalence sets with
5634 inconsistent value ranges conservatively bail out.
5635 (compare_names): Likewise.
5637 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5639 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5640 and MPFR for gfortran.
5642 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5644 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5645 alignment supported by 32-bit ELF.
5647 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5651 * c-typeck.c (digest_init): Always allow initializing vectors
5652 that have static storage duration with compound literals.
5653 * tree.c (build_type_attribute_qual_variant): New, based on
5654 build_type_attribute_variant.
5655 (build_type_attribute_variant): Rewrite using the former.
5656 (make_vector_type): Use build_type_attribute_qual_variant to build
5657 type variants. Use type_hash_canon on the others.
5659 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5660 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5662 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5664 2006-10-12 Jan Hubicka <jh@suse.cz>
5667 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5668 current_function_decl is set but current_function_scope is not.
5670 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5672 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5673 emit_insn to emit eh_return_internal instruction.
5674 (eh_return_internal): Explicitly set pc.
5676 2006-10-11 Richard Guenther <rguenther@suse.de>
5678 PR tree-optimization/28230
5679 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5680 to the correct place.
5682 2006-10-11 Richard Guenther <rguenther@suse.de>
5685 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5688 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5690 * configure.ac: Added pdf to "Make-hooks"
5691 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5692 targets and *.pdf file patterns in cleanup targets.
5693 * configure: Regenerated.
5695 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5697 * config/avr/predicates.md: New file.
5698 * config/avr/avr.md: Include it.
5699 (REG_SP): New constant.
5700 (peepholes): Use predicates.
5701 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5702 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5703 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5705 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5707 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5710 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5713 * builtins.c (var_decl_component_p): New function.
5714 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5715 single entry optimization to variables and components thereof.
5717 2006-10-10 Richard Guenther <rguenther@suse.de>
5719 PR rtl-optimization/29323
5720 * except.c (set_nothrow_function_flags): For functions
5721 that do not bind local bail out early.
5723 2006-10-10 Ben Elliston <bje@au.ibm.com>
5725 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5728 2006-10-09 Richard Henderson <rth@redhat.com>
5730 Revert emutls patch.
5732 2006-10-09 Richard Guenther <rguenther@suse.de>
5735 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5738 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5741 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5742 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5743 * configure: Regenerate.
5744 * config.in: Regenerate.
5746 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5748 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5750 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5752 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5753 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5754 Remove stray newline.
5756 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5758 * config/mips/mips.c (mips_classify_symbol): Do not return
5759 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5760 (mips_in_small_data_p): Tweak comments.
5762 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5764 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5766 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5768 * gimplify.c, sched-int.h: Fix comment typos.
5770 * sched-int.h: Fix comment typos.
5772 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5774 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5776 * sched-ebb.c (begin_schedule_ready): Use them.
5777 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5778 add_to_speculative_block, create_check_block_twin, speculate_insn,
5779 fix_jump_move, move_block_after_check): Ditto.
5780 * sched-rgn.c (new_ready): Ditto.
5782 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5784 PR rtl-optimization/29128
5785 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5786 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5787 allow interblock movement of speculation checks.
5789 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5792 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5793 casted to integer type.
5794 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5795 if they are significantly more expensive than [reg + index] ones.
5797 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5799 PR tree-optimization/29330
5800 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5801 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5802 on newly allocated ddrs.
5803 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5804 to VEC (loop_p, heap) pointer.
5805 (compute_data_dependences_for_loop): Adjust caller.
5806 (free_dependence_relations): Free DDR_LOOP_NEST.
5808 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5809 free DEPENDENCE_RELATIONS and DATAREFS.
5812 * builtins.c (expand_builtin_sync_operation,
5813 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5814 Use convert_to_mode to handle promoted arguments.
5816 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5818 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5820 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5822 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5824 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5826 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5827 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5828 Use <modeconstraint> instead of "r" as operand 1 constraint.
5830 2006-10-06 Olivier Hainque <hainque@adacore.com>
5832 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5833 Don't recurse on the pointed-to type.
5834 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5835 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5836 types with components of variable size.
5838 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5840 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5842 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5844 PR tree-optimization/29290
5845 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5849 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5850 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5853 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5854 the number of vector elements fill the rest with zeros.
5856 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5858 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5859 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5862 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5864 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5865 unnamed pattern into subsi3. Use correct constraints/predicates.
5866 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5867 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5869 2006-10-05 Ira Rosen <irar@il.ibm.com>
5871 * doc/loop.texi: Add data references analysis description.
5873 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5875 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5877 2006-10-04 Richard Henderson <rth@redhat.com>
5878 Jakub Jelinek <jakub@redhat.com>
5880 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5881 * builtin-types.def (BT_WORD): Make unsigned.
5882 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5883 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5884 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5885 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5886 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5887 * cgraph.c (decide_is_variable_needed): Look at force_output.
5888 Recurse for emulated tls.
5889 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5890 checks redundant with decide_is_variable_needed.
5891 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5892 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5894 * expr.c (emutls_var_address): New.
5895 (expand_expr_real_1): Expand emulated tls.
5896 (expand_expr_addr_expr_1): Likewise.
5897 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5898 * output.h (emutls_finish): Declare.
5899 * toplev.c (compile_file): Call it.
5900 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5901 address before wrapping in CONST.
5902 * varasm.c (emutls_htab, emutls_object_type): New.
5903 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5904 (get_emutls_object_name, get_emutls_object_type): New.
5905 (get_emutls_init_templ_addr, emutls_decl): New.
5906 (emutls_common_1, emutls_finish): New.
5907 (assemble_variable): When emulating tls, swap decls; generate
5908 constructor for the emutls objects.
5909 (do_assemble_alias): When emulating tls, swap decl and target name.
5910 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5912 * emutls.c: New file.
5913 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5914 tls_object for real tls.
5916 2006-10-04 Zack Weinberg <zackw@panix.com>
5918 Fix bug in constraint-check generator, reported by Rask Ingemann
5920 * genpreds.c (add_constraint): Don't remove anything from the
5922 (write_tm_constrs_h): Detect whether "op" argument is used, and
5923 mark it ARG_UNUSED if it isn't.
5924 (write_insn_const_int_ok_for_constraint): Skip the part of the
5925 expression that would test whether "op" (which is not available
5926 here) is a CONST_INT.
5928 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5931 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5933 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5935 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5936 current Leopard versions.
5937 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5939 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5941 * doc/install.texi: Fix typos.
5943 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5945 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5946 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5947 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5949 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5951 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5952 arg to be struct mach_header_64* instead.
5954 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5957 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5958 side effects after the outer expression's post side effects.
5960 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5962 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5963 comments to reflect actual behavior and relationship between
5964 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5966 * doc/c-tree.texi (Working with declarations): Fix documentation
5967 of FIELD_DECL likewise.
5969 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5972 * doc/extend.texi: Add used variable attribute description.
5974 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5977 * c.opt (Woverride-init): New.
5978 * c-opts.c (c_common_post_options): Default warn_override_init to
5980 * c-typeck.c (add_pending_init, output_init_element): Warn for
5981 overriding initializers without side effects.
5982 * doc/invoke.texi (-Woverride-init): Document.
5985 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5987 PR rtl-optimization/28096
5988 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5989 assignment has already been used as a destination earlier in the block.
5991 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5993 * builtins.c (expand_builtin_setjmp): Delete.
5994 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5995 <BUILT_IN_SETJMP_SETUP>: New case.
5996 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5997 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5998 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5999 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6000 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6001 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6002 (lower_function_body): Initialize it to false. If it is set to true
6003 at the end of the processing, emit the setjmp dispatcher.
6004 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6005 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6006 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6007 on the rhs of the assignment.
6008 (lower_builtin_setjmp): New function.
6009 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6010 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6011 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6012 to detect calls that can go to non-local labels. Use specific
6013 helper to create the abnormal edges associated with them.
6014 <MODIFY_EXPR>: Likewise.
6015 (make_abnormal_goto_edges): New function extracted from...
6016 (make_goto_expr_edges): ...here. Call it for computed gotos.
6017 (simple_goto_p): Minor tweak.
6018 (tree_can_make_abnormal_goto): New predicate.
6019 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6020 (tree_purge_dead_abnormal_call_edges): New function.
6021 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6022 (tree_purge_dead_abnormal_call_edges): Likewise.
6023 (make_abnormal_goto_edges): Likewise.
6024 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6025 Purge all dead abnormal edges if the call was in the last statement.
6026 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6027 (execute_fixup_cfg): If there are non-local labels in the function,
6028 scan the basic blocks and split them at calls that can go to non-local
6029 labels or add missing abnormal call edges. Write down the CFG in the
6031 (pass_fixup_cfg): Remove TODO_dump_func flag.
6032 * unwind-sjlj.c: Poison setjmp.
6033 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6034 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6035 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6036 (DONT_USE_BUILTIN_SETJMP): Document it.
6038 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6041 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6042 to 1 when __ppc64__ is defined.
6043 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6045 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6047 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6049 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6050 * config/ia64/unwind-hpux.c: Delete.
6052 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6054 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6055 on the element before gimplifying it, instead of punting if it is of
6058 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6060 * doc/loop.texi: New file.
6061 * doc/gccint.texi: Reference loop.texi.
6062 * Makefile.in (loop.texi): Add.
6064 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6066 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6068 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6069 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6071 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6073 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6075 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6077 * doc/install.texi: Document required versions of GMP and MPFR.
6079 2006-09-27 Paul Brook <paul@codesourcery.com>
6082 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6084 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6086 * reload1.c (alter_reg): Require the alignment of the stack slot to
6087 be at least reg_max_ref_width bytes.
6088 (scan_paradoxical_subregs): Record the largest width in
6091 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6095 * tree-nested.c (struct nesting_info): Added static_chain_added.
6096 (convert_call_expr): Set static_chain_added when adding static
6097 chain. Handle OMP_PARALLEL and OMP_SECTION.
6099 2006-09-25 Matthias Klose <doko@debian.org>
6101 * doc/invoke.texi: Add missing full stop.
6103 2006-09-25 Richard Henderson <rth@redhat.com>
6105 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6106 before cgraph_function_flags_ready.
6108 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6109 Adam Nemet <anemet@caviumnetworks.com>
6111 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6112 determine_common_wider_type): New functions.
6113 (get_computation_aff): Use them to simplify arithmetic between
6114 UBASE and CBASE if they are shortened from the same type.
6116 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6119 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6120 -2147483647 - 1 instead of 0x80000000.
6122 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6124 * flags.h (HONOR_NANS): Fix typo in comment.
6126 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6128 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6130 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6134 * tree.c (merge_attributes, attribute_list_contained): If both
6135 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6137 * c-typeck.c (comptypes_internal): Don't consider aggregates
6138 in different TUs as compatible if there one set of attributes is
6139 not a subset of the other type's attributes.
6140 (composite_type): Try harder not to create a new aggregate type.
6142 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6144 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6145 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6146 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6147 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6148 than replicating condition above.
6149 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6151 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6152 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6153 the linker by default.
6155 2006-09-22 Mike Stump <mrs@apple.com>
6157 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6160 2006-09-22 Richard Guenther <rguenther@suse.de>
6163 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6164 sort of stack variables stable.
6166 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6169 * explow.c (force_reg): Set REG_POINTER flag according to
6172 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6174 PR tree-optimization/28888
6175 * tree-if-conv.c (combine_blocks): Rewritten.
6176 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6177 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6179 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6181 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6184 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6186 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6188 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6190 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6192 2006-09-21 Roger Sayle <roger@eyesopen.com>
6195 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6196 dw_fde_current_label, to be the start of the function, i.e. the same
6197 value as dw_fde_begin.
6199 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6201 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6202 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6203 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6204 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6205 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6206 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6207 (abs<mode>2, neg<mode>2): Likewise.
6208 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6209 (*mips_abs_ps): New define_insn.
6211 2006-09-20 Josh Conner <jconner@apple.com>
6214 * calls.c (expand_call): Allow reuse of structure return stack
6217 2006-09-20 Paul Brook <paul@codesourcery.com>
6219 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6222 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6224 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6225 clean up terminology.
6227 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6230 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6231 with tablejumps in them.
6233 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6236 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6237 wrap it into TARGET_EXPR.
6239 2006-09-20 Eric Christopher <echristo@apple.com>
6241 * config/i386/i386.c (x86_fisttp): Remove.
6242 * config/i386/i386.h (x86_fisttp): Ditto.
6243 (TARGET_FISTTP): Ditto.
6245 2006-09-19 Eric Christopher <echristo@apple.com>
6247 * doc/tm.texi (OBJC_JBLEN): Describe.
6248 * config/i386/darwin.h (OBJC_JBLEN): Define.
6249 * config/rs6000/darwin.h: Ditto.
6251 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6253 PR rtl-optimization/21299
6254 * reload1.c (reload): Purge invalid ASMs in the final pass.
6256 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6259 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6260 pointers as legitimate constants.
6262 2006-09-19 Paul Brook <paul@codesourcery.com>
6265 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6267 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6269 PR tree-optimization/28887
6270 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6271 component parts from the reference.
6272 (gather_memory_references_ref): Record the reference without the
6273 nonaddressable component parts.
6275 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6278 * c-opts.c (c_common_handle_option): Ignore the -std options
6279 if the input language is assembly.
6281 2006-09-17 Ira Rosen <irar@il.ibm.com>
6284 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6286 (ptr_ptr_may_alias_p): Likewise.
6287 (record_record_differ_p): New function.
6288 (base_object_differ_p): Call record_record_differ_p.
6290 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6293 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6294 away for the expr argument.
6296 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6299 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6300 before using it for dumping after vectorizing loops.
6302 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6303 Jack Howarth <howarth@bromo.med.uc.edu>
6306 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6307 skip on error_mark_node.
6308 (rs6000_darwin64_record_arg_recurse): Likewise.
6310 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6312 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6313 * doc/rtl.texi: Remove related documentation.
6315 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6317 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6320 2006-09-15 Jim Wilson <wilson@specifix.com>
6322 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6323 Handle symbol offsets same as they are handled in ia64_expand_move
6326 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6328 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6329 Add forgotten parameter to the fprintf call.
6331 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6333 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6335 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6337 * doc/contrib.texi: Add my entry.
6339 2006-09-15 Nick Clifton <nickc@redhat.com>
6341 * doc/md.texi (Processor pipeline description): Fix typo in
6342 example of how to use the absence_set directive and reword the
6343 description to make it slightly easier to read.
6345 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6347 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6348 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6349 expanding the number of iterations.
6350 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6352 * cfgrtl.c (emit_insn_at_entry): New function.
6353 * rtl.h (emit_insn_at_entry): Declare it.
6354 * integrate.c (emit_initial_value_sets): Use it.
6356 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6358 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6360 (struct loop_work and related VEC declarations): Delete.
6361 (bfin_dump_loops): Print out new member bad.
6362 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6363 (bfin_scan_loop): Don't recurse.
6364 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6365 loops. No longer need to update outer loops if the current one is
6366 found bad. Move some validitiy checks to bfin_discover_loop.
6367 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6368 but changed not to check for nesting. Also changed to use the new bad
6370 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6371 time. Use bitmap based test to discover loop nesting.
6373 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6375 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6378 2006-09-14 Richard Guenther <rguenther@suse.de>
6379 Kazu Hirata <kazu@codesourcery.com>
6381 PR middle-end/28884.
6382 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6383 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6384 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6385 with TARGET_FUNCTION_VALUE.
6387 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6390 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6392 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6394 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6397 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6400 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6403 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6405 * basic_block.h (bb_has_eh_pred): Fix comment.
6407 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6409 * flow.c (calculate_global_regs_live): Invalidate eh registers
6410 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6411 (propagate_block): Handle eh registers as if they were set at basic
6413 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6415 * global.c (global_conflicts): Make eh registers to conflict with
6416 pseudos live at basic block begin.
6417 * basic_block.h (bb_has_eh_pred): New function.
6419 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6421 PR rtl-optimization/28982
6422 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6423 index of a PRE_MODIFY or POST_MODIFY address.
6424 * reload1.c (inc_for_reload): Use find_replacement on the original
6425 base and index registers.
6427 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6429 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6430 for -Os. Update __m128 alignment requirement.
6432 2006-09-13 Jan Hubicka <jh@suse.cz>
6434 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6436 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6438 PR rtl-optimization/28243
6439 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6440 the insn to which the note was originally attached.
6442 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6443 Roger Sayle <roger@eyesopen.com>
6445 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6446 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6447 on platforms that don't use dwarf for debug info.
6449 2006-09-12 Jason Merrill <jason@redhat.com>
6452 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6453 hard_frame_pointer_rtx after using it to update the frame pointer.
6455 2006-09-12 Roger Sayle <roger@eyesopen.com>
6457 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6458 (TARGET_ASM_CLOSE_PAREN): Likewise.
6459 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6460 (TARGET_ASM_CLOSE_PAREN): Likewise.
6462 2006-09-12 Roger Sayle <roger@eyesopen.com>
6465 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6466 frame information for frames larger than 512 Kbytes on Tru64 when
6467 using the native assembler.
6469 2006-09-12 Roger Sayle <roger@eyesopen.com>
6473 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6474 and symbols. Instead use the implementation from cse.c's hash_rtx.
6476 2006-09-12 Jan Hubicka <jh@suse.cz>
6478 PR rtl-optimization/28071
6479 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6480 (vect_transform_loop): Likewise.
6481 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6482 (new_loop_vec_info): Likewise.
6483 (destroy_loop_vec_info): Likewise.
6484 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6485 (create_stmt_ann): Likewise.
6486 (create_tree_ann): Rename to ...
6487 (create_tree_common_ann): ... this one; allocate only the common part
6489 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6490 (get_value_handle): Likewise.
6491 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6492 get_tree_common_ann.
6493 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6494 (vinfo_for_stmt): Use stmt annotations.
6495 * tree-flow.h (tree_ann_common_t): New type.
6496 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6497 (tree_ann, get_tree_ann, create_tree_ann): New.
6498 * tree-flow-inline.h (get_function_ann): Do more type checking.
6499 (stmt_ann): Likewise.
6500 (tree_ann): Rename to ...
6501 (tree_common_ann): ... this one; return ony common_ann
6502 (get_tree_ann): Rename to ...
6503 (tree_common_ann): This one; return only common_ann.
6504 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6507 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6509 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6510 with_cpu by default.
6512 * dwarf2out.c (dwarf_file_data): New.
6513 (enum dw_val_class): Add dw_val_class_file.
6514 (struct dw_val_struct): Add val_file.
6515 (file_table): Change to a hash table.
6516 (file_table_emitted): Delete.
6517 (file_table_last_lookup_index): Delete.
6518 (emitcount): Delete.
6519 (last_emitted_file): New.
6520 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6521 (init_file_table): Delete.
6522 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6523 (AT_addr): Add comment.
6527 (print_die): Handle dw_val_class_file.
6528 (print_dwarf_line_table): Update for new file table structure.
6529 (attr_checksum): Do checksum a filename.
6530 (same_dw_val_p, same_attr_p): Do compare a filename.
6531 (size_of_die): Handle dw_val_class_file.
6532 (value_format): Likewise.
6533 (output_die): Likewise. Also, call maybe_emit_file here.
6534 (struct file_info): Constify filenames. Make file_idx a pointer
6535 to a struct dwarf_file_data.
6536 (struct dir_info): Constify directory names. Remove 'used' field.
6537 (struct file_name_acquire_data): New.
6538 (file_name_acquire): New.
6539 (output_file_names): Modify to handle new file data structures.
6540 (add_src_coords_attributes): Use add_AT_file.
6541 (add_call_src_coords_attributes): Likewise.
6542 (dwarf2out_imported_module_or_decl): Likewise.
6543 (gen_subprogram_die): Modify for new file data structures.
6544 (gen_variable_die): Likewise.
6545 (file_table_eq): New.
6546 (file_table_hash): New.
6547 (file_table_last_lookup): New.
6548 (lookup_filename): Rewrite to handle new file data structures.
6549 (maybe_emit_file): Rewrite to handle new file data structures.
6550 (dwarf2out_source_line): Always call lookup_filename and
6552 (dwarf2out_init): Create file_table here.
6553 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6554 (file_table_relative_p): New.
6555 (dwarf2out_finish): Change detection of relative filenames
6556 to work with new file data structures. Move output_line_info call
6557 after debug_info output.
6559 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6564 * config/i386/i386.c (override_options): Always default to 16
6565 byte stack boundary.
6567 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6570 * var-tracking.c (dump_dataflow_set): Start dumping at
6572 (clobber_variable_part): Kill only the variable part in
6573 registers holding it, leaving other variables alone.
6575 2006-09-11 Josh Triplett <josh@freedesktop.org>
6577 * doc/extend.texi (Other Builtins): Actually use the macro
6578 argument in the documentation example for
6579 __builtin_types_compatible_p.
6581 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6583 PR rtl-optimization/28726
6584 * sched-deps.c (sched_analyze_reg): New function extracted from...
6585 (sched_analyze_1): ...here. Call it to analyze references to
6586 registers. Treat again writes to a stack register as writing to the
6588 (sched_analyze_2): ...and here. Call it to analyze references to
6589 registers. Treat again reads of a stack register as reading the
6592 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6593 David Edelsohn <edelsohn@gnu.org>
6596 * config/rs6000/spe.md (frob_df_di): Remove %H.
6597 (frob_di_df): Remove %H. Change evmergelo to mr.
6598 (frob_di_df_2): Remove %H. Change evldd to two loads.
6600 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6602 * doc/cpp.texi: Fix names of charset options.
6604 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6607 * config/i386/i386.c (override_options): Use 128-bit
6608 stack boundary always for 64bits.
6610 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6612 PR rtl-optimization/28636
6613 * combine.c (force_to_mode): Test for side-effects before
6614 substituting by zero.
6615 (simplify_shift_const): Likewise for zero or other constants.
6617 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6620 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6623 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6626 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6627 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6628 returned by mode_for_size, rather than the mode of src itself,
6629 to choose between 32-bit and 64-bit patterns.
6630 (mips_mem_fits_mode_p): New function.
6631 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6632 that the size of the source matches the size of the destination.
6633 (mov_<store>l, mov_<store>r): Likewise.
6635 2006-09-10 Eric Christopher <echristo@apple.com>
6637 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6640 2006-09-09 Eric Christopher <echristo@apple.com>
6643 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6646 2006-09-09 Roger Sayle <roger@eyesopen.com>
6647 Nicolas Setton <setton@adacore.com>
6649 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6651 2006-09-10 Andreas Schwab <schwab@suse.de>
6653 * config/m68k/m68k.md (bungt_rev): New pattern.
6655 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6656 Dale Johannesen <dalej@apple.com>
6659 * regclass.c (struct reg_pref): Update documentation.
6660 (regclass): Set prefclass to NO_REGS if memory is the best option.
6661 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6663 2006-09-08 Eric Christopher <echristo@apple.com>
6665 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6666 * config/t-slibgcc-darwin: Support x86_64 multilib.
6667 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6668 Return 1 for x86_64-darwin.
6669 * config/i386/t-darwin: Add m64 multilib.
6670 (LIB2_SIDITI_CONV_FUNCS): Use.
6671 (LIB2FUNCS_EXTRA): Ditto.
6672 * config/i386/darwin.h: Support x86_64.
6673 * config/i386/i386.c (override_options): Turn on flag_pic
6674 for x86_64-darwin. Disable flag_omit_pointer.
6675 (get_pc_thunk_name): Assert !TARGET_64BIT.
6676 (legitimate_address_p): Disable machopic addressing for
6678 (legitimize_pic_address): Ditto.
6679 (ix86_expand_move): Ditto.
6680 (ix86_expand_call): Ditto.
6681 (machopic_output_stub): Ditto.
6682 * config/darwin.c (machopic_select_section): Support literal16.
6683 (machopic_select_rtx_section): Ditto.
6684 * config/darwin-sections.def: Ditto.
6685 * config/darwin-64.c: New.
6687 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6690 * c-tree.h (struct c_arg_info): Add pending_sizes.
6691 * c-parser.c (c_parser_parms_declarator,
6692 c_parser_parms_list_declarator): Initialize pending_sizes.
6693 * c-decl.c (get_parm_info): Initialize pending_sizes.
6694 (get_parm_info): Set pending_sizes.
6695 (grokdeclarator): Call put_pending_sizes for parameters for
6696 function definition only.
6698 2006-09-07 Jason Merrill <jason@redhat.com>
6701 * varasm.c (output_constant): Only strip actual no-op conversions.
6704 * config/i386/i386.c (override_options): Use 128-bit
6705 stack boundary if -msse.
6707 2006-09-07 Eric Christopher <echristo@apple.com>
6709 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6711 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6714 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6716 * dwarf2out.c: Remove strange characters from comment above
6717 dwarf2out_frame_debug_expr.
6719 2006-09-07 Eric Christopher <echristo@apple.com>
6721 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6722 * config/darwin.h: ... to here.
6724 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6726 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6728 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6729 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6731 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6732 TARGET_PARTIAL_FLAG_REG_STALL.
6733 (*ashldi3_cconly_rex64): Likewise.
6734 (*ashlsi3_cmp): Likewise.
6735 (*ashlsi3_cconly): Likewise.
6736 (*ashlsi3_cmp_zext): Likewise.
6737 (*ashlhi3_cmp): Likewise.
6738 (*ashlhi3_cconly): Likewise.
6739 (*ashlqi3_cmp): Likewise.
6740 (*ashlqi3_cconly): Likewise.
6741 (*ashrdi3_cmp_rex64): Likewise.
6742 (*ashrdi3_cconly_rex64): Likewise.
6743 (*ashrsi3_cmp): Likewise.
6744 (*ashrsi3_cconly): Likewise.
6745 (*ashrsi3_cmp_zext): Likewise.
6746 (*ashrhi3_cmp): Likewise.
6747 (*ashrhi3_cconly): Likewise.
6748 (*ashrqi3_cmp): Likewise.
6749 (*ashrqi3_cconly): Likewise.
6750 (*lshrdi3_cmp_rex64): Likewise.
6751 (*lshrdi3_cconly_rex64): Likewise.
6752 (*lshrsi3_cmp): Likewise.
6753 (*lshrsi3_cconly): Likewise.
6754 (*lshrsi3_cmp_zext): Likewise.
6755 (*lshrhi3_cmp): Likewise.
6756 (*lshrhi3_cconly): Likewise.
6757 (*lshrqi2_cmp): Likewise.
6758 (*lshrqi2_cconly): Likewise.
6760 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6763 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6764 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6765 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6766 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6767 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6768 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6769 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6770 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6771 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6772 implement only CC setting effects of shift instructions.
6774 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6776 * doc/contrib.texi: Add myself.
6778 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6781 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6782 was set by the user.
6784 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6787 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6788 (divsi_inv_m1): Use them.
6789 (UNSPEC_DIV_INV_TABLE): New constant.
6791 2006-09-06 James E Wilson <wilson@specifix.com>
6794 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6795 then call count_or_remove_death_notes.
6797 2006-09-06 Jason Merrill <jason@redhat.com>
6800 * tree-inline.c (copy_result_decl_to_var): New fn.
6801 (declare_return_variable): Use it. Call declare_inline_vars here.
6802 (expand_call_inline): Not here.
6804 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6806 * doc/contrib.texi: Update my entry.
6808 2006-09-06 Nick Clifton <nickc@redhat.com>
6810 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6812 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6815 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6816 (canonicalize_induction_variables): Likewise.
6817 (tree_unroll_loops_completely): Likewise.
6818 (tree_ssa_prefetch_arrays): Likewise.
6819 (remove_empty_loops): Likewise.
6820 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6821 TODO_cleanup_cfg instead of directly calling
6822 cleanup_tree_cfg_loop.
6823 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6825 (tree_unroll_loops_completely): Likewise.
6826 (remove_empty_loops): Likewise.
6827 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6828 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6829 of tree_ssa_unswitch_loops.
6830 (tree_ssa_loop_ivcanon): Use the return value of
6831 canonicalize_induction_variables.
6832 (tree_ssa_empty_loop): Use the return value of
6834 (tree_complete_unroll): Use the return value of
6835 tree_unroll_loops_completely.
6836 (tree_ssa_loop_prefetch): Use the return value of
6837 tree_ssa_prefetch_arrays.
6838 * passes.c (execute_todo): Before Cleanup CFG, set
6839 updating_used_alone and after cleanup CFG, call
6840 recalculate_used_alone.
6842 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6845 * tree-vect-transform.c (vectorizable_condition): Move the check
6846 for the type after the check for simple condition.
6848 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6849 Kaz Kojima <kkojima@gcc.gnu.org>
6852 * mode-switching.c (optimize_mode_switching): Make the destination
6853 block of an abnormal edge have no anticipatable mode. Don't
6854 insert mode switching code at the end of the source block of
6857 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6859 PR rtl-optimization/26847
6860 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6861 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6862 (simplify_plus_minus): Count n_constants while filling ops. Replace
6863 qsort with insertion sort. Before going through the array to simplify
6864 pairs, sort it. Delay early exit until after the first sort, exiting
6865 only if no swaps occurred. Simplify pairs in reversed order, without
6866 special-casing the first iteration. Pack ops after simplifying pairs.
6868 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6870 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6871 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6872 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6873 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6875 2006-09-05 Richard Guenther <rguenther@suse.de>
6877 PR tree-optimization/28900
6878 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6879 compound conditional before creating COND_EXPR condition.
6881 2006-09-05 Richard Guenther <rguenther@suse.de>
6883 PR tree-optimization/28905
6884 * tree-vrp.c (fix_equivalence_set): Manually implement
6885 !value_ranges_intersect_p to also handle symbolic ranges.
6887 2006-09-05 Richard Guenther <rguenther@suse.de>
6890 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6893 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6895 PR rtl-optimization/27616
6896 * cse.c (table_size): New static variable.
6897 (new_basic_block): Initialize it to 0.
6898 (remove_from_table): Decrement it.
6899 (insert): Increment it.
6900 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6901 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6902 fold_rtx_mem_1 if under the cap.
6903 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6904 the lookup of the equivalent expression and test for equality of the
6905 first operand of the equivalent expression before in turn looking up
6906 an equivalent constant for the second operand.
6908 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6911 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6912 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6913 pointer, instead of assuming it is possible to derive the
6914 correct args size from a call insn.
6916 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6919 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6920 (fold_builtin_mempcpy): Rename to...
6921 (fold_builtin_memory_op): ... this. Optimize one element copy
6923 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6925 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6926 (expand_builtin_memcpy, expand_builtin_mempcpy,
6927 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6928 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6929 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6930 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6932 2006-09-01 DJ Delorie <dj@redhat.com>
6934 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6935 (stzx_16): Likewise.
6936 ("stzx_24_<mode>"): Likewise.
6937 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6938 ("cmp<mode>_op"): New.
6939 (cmp<mode>): Change to expander; just save operands.
6941 (b<code>): Change to expander, emit compare here.
6942 (s<code>_op): Change to use split and expander.
6943 (s<code>_24_op): Likewise.
6944 (s<code>_<mode>): New.
6945 (s<code>_<mode>_24): New.
6946 (movqicc_<code>_<mode): New.
6947 (movhicc_<code>_<mode>): New.
6950 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6951 (m32c_pend_compare): New.
6952 (m32c_unpend_compare): New.
6953 (m32c_expand_scc): New.
6954 (m32c_expand_movcc): Emit the compare also.
6955 * config/m32c/predicates.md (mra_nopp_operand): New.
6957 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6958 Richard Guenther <rguenther@suse.de>
6959 Adam Nemet <anemet@caviumnetworks.com>
6962 * builtins.c (get_pointer_alignment): Handle more forms
6963 of base addresses that can be used to derive more precise
6964 information about alignment.
6966 2006-09-01 Jason Merrill <jason@redhat.com>
6969 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6972 * gimplify.c (voidify_wrapper_expr): Handle null type.
6974 2006-09-01 Josh Conner <jconner@apple.com>
6977 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6978 (execute_return_slot_opt): Use it.
6980 2006-08-31 Josh Conner <jconner@apple.com>
6983 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6984 returning aggregates.
6986 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6988 PR tree-optimization/28839
6989 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6990 blocks in that phi arguments appear.
6992 2006-08-31 Roger Sayle <roger@eyesopen.com>
6995 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6996 NULL, otherwise use an advance_loc4 to adjust relative to the
6998 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6999 (dwarf2out_switch_text_section): Reset the current label to avoid
7000 using advance_loc4 over section boundaries.
7002 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7005 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7006 r12 + SYMBOLIC_CONST.
7008 2006-08-30 Richard Guenther <rguenther@suse.de>
7010 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7012 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7014 PR rtl-optimization/27735
7015 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7016 Add new argument to keep track of whether an irreducible region
7017 was affected. All callers changed.
7018 (fix_irreducible_loops): Removed.
7019 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7020 flags were invalidated.
7022 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7024 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7025 instead of SF operands.
7026 (*fop_df_comm_sse): Likewise.
7027 (*fop_df_comm_i387): Likewise.
7028 (*fop_df_1_mixed): Likewise.
7029 (*fop_df_1_sse): Likewise.
7031 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7032 J"orn Rennecke <joern.rennecke@st.com>
7034 PR tree-optimization/17506
7035 * tree-ssa.c (warn_uninit): If warning about a location outside of
7036 the current function, note where the variable was declared.
7038 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7040 PR tree-optimization/28411
7041 * double-int.c (double_int_div): Use double_int_divmod.
7042 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7043 double_int_mod, double_int_smod, double_int_umod): New functions.
7044 * double-int.h (double_int_divmod, double_int_sdivmod,
7045 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7047 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7049 (get_computation_aff, get_computation_cost_at): Handle double_int
7050 return type of constant_multiple_of.
7052 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7055 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7056 an implicit conversion.
7058 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7060 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7062 2006-08-27 Roger Sayle <roger@eyesopen.com>
7064 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7067 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7069 * config/i386/crtfastmath.c: Fix a comment typo.
7071 2006-08-26 Roger Sayle <roger@eyesopen.com>
7073 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7074 temporary visit flags on CASE_LABEL_EXPRs.
7075 * c-common.c (match_case_to_enum): Add function comment. Avoid
7076 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7077 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7078 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7079 a constant, only warn if that constant value isn't handled.
7081 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7084 * input.h (restore_input_file_stack): Declare.
7085 (INPUT_FILE_STACK_BITS): Define.
7086 * toplev.c (fs_p, input_file_stack_history,
7087 input_file_stack_restored, restore_input_file_stack): New.
7088 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7089 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7090 (pop_srcloc): Don't free old state of stack.
7092 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7095 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7096 (PowerPC Type Attributes): New.
7098 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7100 * config/xtensa/xtensa.c (function_arg_boundary): New.
7101 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7103 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7104 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7106 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7109 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7112 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7114 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7115 (verify_local_live_at_start): Likewise.
7117 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7120 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7121 omp_add_variable): Treat sizes as variable whenever not
7124 2006-08-26 Richard Guenther <rguenther@suse.de>
7127 * fold-const.c (fold_binary): Fold temporary to correct
7128 type before constructing new comparison.
7130 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7133 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7134 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7136 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7139 * c-decl.c (start_function): Don't try to process prototype
7140 information from old declaration that isn't a function.
7142 2006-08-25 Jan Hubicka <jh@suse.cz>
7145 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7147 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7150 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7153 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7155 PR tree-optimization/16876
7156 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7157 exit if PARM doesn't match VALUE.
7159 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7161 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7162 literal_prefix directive.
7163 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7164 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7165 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7167 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7170 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7171 predicate to general_operand. Add 0->y and I->r alternatives.
7173 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7175 * doc/tm.texi: Fix a typo.
7176 * predict.c: Fix comment typos.
7178 2006-08-25 Nick Clifton <nickc@redhat.com>
7180 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7181 assertions of "cpu" and "machine".
7183 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7186 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7187 the access through a base which has an alias set of 0 cannot
7190 2006-08-24 Bill Wendling <wendling@apple.com>
7192 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7194 2006-08-24 Jan Hubicka <jh@suse.cz>
7196 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7198 2006-08-24 Jan Hubicka <jh@suse.cz>
7201 * cgraph.c: Fix comments.
7202 (cgraph_varpool_mark_needed_node): Mark only variables not already
7204 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7205 (cgraph_varpool_assembled_nodes_queue): New static variable.
7206 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7207 (cgraph_varpool_output_debug_info): New function.
7208 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7209 * Makefile.in: Add gt-cgraphunit.h
7211 2006-08-24 Jan Hubicka <jh@suse.cz>
7213 * predict.c (probability_reliable_p): New predicate.
7214 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7215 (predict_loops): Do not predict loop exit with less than 2%
7217 * basic-block.h (edge_probability_reliable_p,
7218 br_prob_note_reliable_p): Declare.
7219 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7220 prediction when static predictor is not reliable.
7221 * rs6000.c (output_cbranch): Likewise.
7223 2006-08-23 Stuart Hastings <stuart@apple.com>
7226 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7227 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7229 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7232 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7233 complex values, nor for generic vector values.
7235 2006-08-22 Richard Guenther <rguenther@suse.de>
7238 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7239 parameter. Convert arguments to arithmetic expression to the
7241 (analyze_scalar_evolution_1): Adjust caller.
7243 2006-08-22 Jan Hubicka <jh@suse.cz>
7245 Patch by Paolo Bonzini
7246 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7249 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7251 PR tree-optimization/28003
7252 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7253 before grouping aliases.
7255 2006-08-22 Roger Sayle <roger@eyesopen.com>
7257 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7258 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7260 2006-08-21 Jason Merrill <jason@redhat.com>
7263 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7264 wrapper. Loop to handle nested wrappers.
7265 (gimplify_bind_expr): Remove temp parameter.
7266 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7267 and STATEMENT_LIST on the rhs.
7268 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7269 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7270 (gimplify_target_expr): Remove special BIND_EXPR handling.
7272 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7274 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7277 2006-08-21 Olivier Hainque <hainque@adacore.com>
7279 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7280 Arrange for the temporary captures of components overlapping the lhs
7281 to happen before the lhs is possibly cleared.
7283 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7285 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7286 necessary places to pass the correct "number of registers" values
7289 2006-08-20 Jan Hubicka <jh@suse.cz>
7291 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7292 (create_name_tags): Instead of quadratic checking use hashtable.
7293 * bitmap.h: Include hashtab.h.
7294 (bitmap_hash): Declare.
7295 * bitmap.c (bitmap_hash): New function.
7297 2006-08-20 Jan Hubicka <jh@suse.cz>
7299 PR rtl-optimization/28071
7300 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7302 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7303 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7304 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7305 cgraph_decide_inlining_incrementally): Update use of
7306 cgraph_check_inline_limits.
7307 * cgraph.c (edge_hash, edge_eq): New function.
7308 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7309 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7310 cgraph_remove_node): Maintain call site hash.
7311 * cgraph.h (struct cgraph_node): Add call_site_hash.
7312 (cgraph_set_call_stmt): New function.
7314 2006-08-20 Jan Hubicka <jh@suse.cz>
7316 PR rtl-optimization/28071
7317 * reload1.c (reg_has_output_reload): Turn into regset.
7318 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7319 choose_reload_regs, emit_reload_insns): Update to new
7320 reg_has_output_reload.
7322 2006-08-20 Jan Hubicka <jh@suse.cz>
7325 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7326 function body sizes.
7327 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7329 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7332 * tree.c (handle_dll_attribute): Return early if not a
7333 var or function decl.
7335 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7338 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7339 alignment of SPE vector types.
7341 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7343 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7345 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7348 * cgraph.h (struct cgraph_node): Remove externally_visible
7350 * cgraphunit.c (process_function_and_variable_attributes): Set
7351 local.externally_visible rather than externally_visible.
7354 * c-common.c (handle_externally_visible_attribute): First look
7355 at TREE_CODE and only if it is function or var decl, check for
7356 non-public objects. Don't warn for DECL_EXTERNAL.
7357 * cgraphunit.c (process_function_and_variable_attributes): Warn
7358 if externally_visible attribute is used on non-public object.
7360 2006-08-17 Jan Hubicka <jh@suse.cz>
7362 PR tree-optimization/27865
7363 * reload1.c (forget_marked_reloads): New function.
7364 (forget_old_reloads_1): When data are passed, just mark the registers
7366 (reload_as_needed): Use the new mechanizm.
7368 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7371 * reload.h (reg_equiv_alt_mem_list): New declaration.
7372 * reload1.c (reg_equiv_alt_mem_list): New definition.
7373 (reload): Initialize it and release it.
7374 (delete_output_reload): Use it.
7375 * reload.c (push_reg_equiv_alt_mem): New function.
7376 (find_reloads_toplev): Call it.
7377 (find_reloads_address, find_reloads_address_1): Likewise.
7378 (find_reloads_subreg_address): Likewise.
7380 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7382 PR rtl-optimization/28489
7383 * sched-ebb.c (begin_schedule_ready): Create basic block
7385 (advance_target_bb): Skip empty blocks.
7386 * haifa-sched.c (bb_note): Make global.
7387 * sched-int.h (bb_note): Add prototype.
7389 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7391 PR tree-optimization/27865
7392 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7394 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7395 fold_used_pointer, pointer_used_p): New functions.
7396 (analyze_scalar_evolution_1): Use fold_used_pointer.
7397 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7398 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7401 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7404 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7405 or the INTEGER_CST. Fail on a CALL_EXPR.
7406 (fold_offsetof): Pass new argument to fold_offsetof_1.
7407 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7408 operand into an INDIRECT_REF.
7409 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7411 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7413 PR gcov/profile/26570
7414 * value-prof.c (static_values): Removed.
7415 (tree_find_values_to_profile): Do not set static_values.
7416 (find_values_to_profile): Do not free static_values.
7417 * profile.c (instrument_values): Do not free the values.
7418 (branch_prob): Free the values.
7420 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7422 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7424 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7427 * c-typeck.c (build_component_ref): Combine qualifiers of
7428 structure or union and field.
7430 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7432 PR rtl-optimization/28071
7433 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7434 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7435 * tree-into-ssa.c (struct dom_dfsnum): New.
7436 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7438 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7439 compute_global_livein.
7440 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7441 in phi nodes in the correct blocks.
7443 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7445 PR tree-optimization/28364
7446 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7448 (fold_affine_expr): New function.
7449 (may_eliminate_iv): Use fold_affine_expr.
7451 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7454 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7457 2006-08-16 Mike Stump <mrs@apple.com>
7459 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7460 * doc/cppopts.texi (-MD): Likewise.
7462 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7465 * c-common.c (handle_weak_attribute): Ignore and warn if
7466 not a FUNCTION_ or VAR_DECL.
7468 2006-07-15 Mike Stump <mrs@apple.com>
7471 * c-parser.c (c_parser_typeof_specifier): Don't use
7472 c_finish_expr_stmt, open code desired semantics instead.
7474 2006-08-15 Nick Clifton <nickc@redhat.com>
7476 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7477 fragment to tmake_file only if threads are enabled.
7478 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7479 * config/i386/t-gthr-win32: New file. ... here.
7481 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7484 * c-parser.c (c_parser_compound_statement_nostart): Reset
7485 parser->error after each statement.
7487 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7490 * omp-low.c (lower_omp_parallel): Convert t to
7491 receiver_decl's type.
7492 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7493 source before comparison.
7496 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7497 to itype in assignment to oldival2.
7499 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7503 * c-typeck.c (build_compound_expr): If the second expression
7504 is an error mark, then just return an error mark instead of
7505 creating a COMPOUND_EXPR.
7507 2006-07-14 Mike Stump <mrs@apple.com>
7509 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7511 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7513 * c-decl.c, var-tracking.c: Fix comment typos.
7515 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7517 PR rtl-optimization/28634
7518 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7519 for floating-point modes unless flag_unsafe_math_optimizations.
7521 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7522 Andrew Pinski <pinskia@physics.uc.edu>
7525 * tree.c (build_array_type): Unify array types with
7526 unspecified index_type.
7527 * c-decl.c (grokdeclarator): Make sure we do not modify a
7528 unified incomplete array type.
7529 * c-typeck.c (store_init_value): Create distinct type before
7530 filling in the index type in an initializer from a compound
7533 * c-decl.c (grokdeclarator): Remove code where we copy the
7536 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7538 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7539 into account for TODO_dump_cgraph.
7540 (TODO_update_ssa_no_phi): Likewise.
7541 (TODO_update_ssa_full_phi): Likewise.
7542 (TODO_update_ssa_only_virtuals): Likewise.
7543 (TODO_remove_unused_locals): Likewise.
7544 (TODO_set_props): Likewise.
7545 (TODO_update_stmt_usage): Likewise.
7547 2006-08-13 Dirk Mueller <dmueller@suse.de>
7549 * c-common.c (strict_aliasing_warning): Fix formatting.
7551 2006-08-13 Matthias Klose <doko@debian.org>
7553 * doc/invoke.texi: Fix spelling errors.
7555 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7557 PR rtl-optimization/23454
7558 * reorg.c (relax_delay_slots): Update comment.
7560 2006-08-11 Richard Guenther <rguenther@suse.de>
7563 * simplify-rtx.c (simplify_const_relational_operation):
7564 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7567 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7569 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7570 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7572 2006-08-10 Paul Brook <paul@codesourcery.com>
7574 * final.c (final_scan_insn): Clear current_insn_predicate before
7575 outputting inline asm.
7577 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7579 PR tree-optimization/26197
7580 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7581 get_ref_base_and_extent and overlap_subvar to add only relevant
7582 subvars as may-aliases.
7583 (add_may_alias_for_new_tag): New function, factored out of
7585 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7586 with additional argument.
7587 * tree-flow.h (new_type_alias): Takes additional argument.
7589 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7591 * gcov.c (no_data_file): New flag.
7592 (read_count_file): Set it if data file not present. Assume counts
7594 (output_lines): Don't name the data file, if there wasn't one.
7596 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7598 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7599 (rs6000_generate_compare): Tweak comments.
7600 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7602 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7604 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7605 (var_debug_decl): New function.
7606 (var_reg_set): Follow debug decl link. Add location even if
7607 reg is already known to hold some other variable.
7608 (var_mem_set): Follow debug decl link.
7609 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7610 decl link. Delete other known locations of the variable part
7612 (var_reg_delete, var_mem_delete): Delete other known locations
7613 of the variable part if requested.
7614 (same_variable_part_p): New function.
7615 (add_stores): Select MO_COPY when appropriate.
7616 (vt_initialize): Handle it.
7617 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7618 known locations for MO_SET and MO_CLOBBER.
7619 (find_variable_location_part): New function.
7620 (set_variable_part, delete_variable_part): Use it.
7621 (clobber_variable_part): New function.
7622 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7625 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7627 PR tree-optimization/26969
7628 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7629 with an empty list of PHIs.
7631 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7635 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7638 2006-08-06 Andreas Schwab <schwab@suse.de>
7640 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7641 string. Whitespace and comment fixup.
7643 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7646 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7650 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7653 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7655 2006-08-04 Jan Hubicka <jh@suse.cz>
7659 * reload.c (push_reload): Patch out the mismatching instruction;
7661 (find_reload): Bail out if the instruction was patched out.
7663 2006-08-04 Jan Hubicka <jh@suse.cz>
7665 PR tree-optimization/24888
7666 * tree-inline.c (expand_call_inline): Do not re-record variables.
7667 (declare_inline_vars): Add variable to unexpanded_var_list.
7669 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7670 Roger Sayle <roger@eyesopen.com>
7672 PR rtl-optimization/26244
7673 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7674 inner_const are negative or greater than or equal to the bitsize of
7675 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7676 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7677 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7678 CONST0_RTX (mode) when the new shift count is greater than or equal to
7679 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7682 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7684 * tree-cfg.c: Fix a comment typo.
7686 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7689 * varasm.c (output_constant): Give the front end another chance to
7690 expand constants, after stripping NOPs.
7692 2006-08-03 Jan Hubicka <jh@suse.cz>
7694 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7697 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7699 PR tree-optimization/27770
7700 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7701 declaration removed (moved to tree-flow.h).
7702 (vect_can_force_dr_alignment_p): Likewise.
7703 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7704 (moved from tree-vectorizer.h).
7705 (vect_can_force_dr_alignment_p): Likewise.
7706 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7707 from outside the vectorizer - in particular from cgraph stage.
7708 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7709 the alignment of global arrays when -fsection-anchors is enabled.
7710 * cgraphunit.c (cgraph_increase_alignment): New function.
7711 (cgraph_optimize): Call cgraph_increase_alignment.
7713 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7716 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7717 not reload a SPE symbol_ref into a lo_sum address.
7719 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7722 * dwarf2out.c (prune_unused_types_prune): Move call to
7723 prune_unused_types_update_strings to cover the parent DIE also.
7725 2006-08-02 Jan Hubicka <jh@suse.cz>
7727 PR gcov/profile/28480
7728 * tree-cfg.c (change_bb_for_stmt): New function.
7729 (tree_merge_blocks, tree_split_blocks): Use it.
7731 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7737 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7738 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7739 (cgraph_optimize): Likewise.
7741 2006-08-01 Stuart Hastings <stuart@apple.com>
7743 * rtl.h (UINTVAL) New.
7744 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7745 * testsuite/gcc.dg/20060801-1.c: New.
7747 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7750 * c-typeck.c (build_external_type): Mark used enum types.
7751 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7753 (gen_subprogram_die): Whitespace fix.
7755 2006-08-01 Jan Hubicka <jh@suse.cz>
7757 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7758 bitmap when not needed.
7759 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7762 2006-08-01 Dirk Mueller <dmueller@suse.de>
7764 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7766 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7768 * Makefile.in: Revert part of previous patch:
7769 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7772 2006-07-30 Eric Christopher <echristo@apple.com>
7775 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7776 (PowerPC Variable Attributes): New section.
7778 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7780 PR target/28126 (partial fix)
7781 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7783 2006-07-28 Jan Hubicka <jh@suse.cz>
7785 PR rtl-optimization/28071
7786 * cfgrtl.c (rtl_delete_block): Free regsets.
7787 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7789 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7791 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7792 and variables used in dependencies.
7794 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7796 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7797 %fs for -mcmodel=kernel.
7798 (stack_tls_protect_test_di): Likewise.
7800 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7802 * Makefile.in: Use mkinstalldirs.
7804 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7807 * opts-common.c (prune_options): Skip joined switches.
7809 2006-07-27 Jan Hubicka <jh@suse.cz>
7811 PR rtl-optimization/28071
7812 * cselib.c (cselib_process_insn): Don't remove useless values too
7813 often for very large hashtables.
7815 2006-07-27 Jan Hubicka <jh@suse.cz>
7817 PR rtl-optimization/28071
7818 * global.c (greg_obstack): New obstack.
7819 (allocate_bb_info): Use it.
7820 (free_bb_info): Likewise.
7821 (modify_reg_pav): Likewise.
7823 2006-07-27 Roger Sayle <roger@eyesopen.com>
7825 * builtins.c (fold_fixed_mathfn): When long and long long are the
7826 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7827 functions to their lceil*, lfloor*, lround* and lrint* forms.
7829 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7832 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7834 (rev_branch_insn): Likewise.
7836 2006-07-27 Jan Hubicka <jh@suse.cz>
7838 PR rtl-optimization/28071
7839 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7840 (reg_set_in_bb, max_reg_computed): New static variables.
7841 (regmove_optimize): Free the new array.
7842 (fixup_match_1): Update call of reg_is_remote_constant_p.
7844 2006-07-26 Jan Hubicka <jh@suse.cz>
7846 PR tree-optimization/27882
7847 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7849 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7851 (cgraph_analyze_compilation_unit): Likewise.
7852 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7853 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7854 (cgraph_early_inlinine): Make order garbage collected.
7855 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7857 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7859 * dbxout.c (output_types_sort): Add a comment.
7860 (output_used_types): Free the VEC.
7862 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7864 * function.c (reorder_fix_fragments): Delete.
7865 (reorder_blocks): Don't call it.
7866 (reorder_blocks_1): Put all subblocks under the origin block.
7868 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7870 PR rtl-optimization/27907
7871 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7874 2006-07-25 Roger Sayle <roger@eyesopen.com>
7877 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7878 bar(x) check that bar's result type can represent all the values of T.
7880 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7882 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7884 2006-07-25 Nick Clifton <nickc@redhat.com>
7886 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7887 size_lookup[] array.
7888 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7889 (ggc_pch_count_object): Likewise.
7890 (ggc_pch_alloc_object): Likewise.
7891 (ggc_pch_write_object): Likewise.
7892 (init_ggc): Do not attempt to initialize entries in the
7893 size_lookup[] array for objects whose size is greater than than
7894 the length of the array.
7896 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7898 * dbxout.c (output_used_types_helper): Push queued types
7900 (output_types_sort): New.
7901 (output_used_types): Collect used types on a VEC and sort them
7904 2006-07-24 Richard Guenther <rguenther@suse.de>
7907 * cgraph.c (cgraph_remove_node): Do not check if dumps
7909 * cgraphunit.c (cgraph_optimize): Likewise.
7911 2006-07-24 Jan Hubicka <jh@suse.cz>
7913 PR rtl-optimization/28071
7914 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7915 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7916 splitting before first stmt.
7918 2006-07-24 Jan Hubicka <jh@suse.cz>
7920 PR rtl-optimization/28071
7921 * ipa-inline.c (update_caller_keys): Remove edges that
7922 are no longer inline candidates.
7924 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7927 * dbxout.c (output_used_types_helper, output_used_types): New.
7928 (dbxout_symbol): Call output_used_types.
7930 2006-07-23 Jan Hubicka <jh@suse.cz>
7934 * cgraph.c (cgraph_varpool_nodes): Export.
7935 (decide_is_variable_needed): Ignored "used" attribute in
7936 unit-at-a-time mode.
7937 * cgraph.h (cgraph_varpool_nodes): Declare.
7938 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7939 unit-at-a-time mode.
7941 2006-07-23 Roger Sayle <roger@eyesopen.com>
7944 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7945 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7946 the __gthrw form of thr_keycreate.
7947 (__gthread_key_delete): Silence the unused argument warning.
7949 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7952 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7953 Cache the last found '\0' marker to avoid quadratic behavior.
7955 2006-07-23 Jan Hubicka <jh@suse.cz>
7957 * i386.md (subsi_3_zext): Fix output template.
7959 2006-07-21 Mike Stump <mrs@apple.com>
7961 * doc/invoke.texi (C++ Dialect Options): Note that
7962 -fvisibility-inlines-hidden doesn't affect explicitly
7963 instantiationed inline methods.
7965 2006-07-20 Roger Sayle <roger@eyesopen.com>
7967 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7968 if the target assembler is GNU binutils' gas.
7969 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7970 whether to pass GNU gas or native as command line options.
7972 2006-07-20 Jason Merrill <jason@redhat.com>
7974 * tree.c (remove_attribute): New fn.
7975 * tree.h: Declare it.
7977 2006-07-20 Paul Brook <paul@codesourcery.com>
7980 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7981 they are invalidated by this instruction.
7983 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7986 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7988 2006-07-20 Eric Christopher <echristo@apple.com>
7991 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7993 2006-07-19 Eric Christopher <echristo@apple.com>
7995 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7996 Rewrite dependencies for libgcc_s.1.dylib.
7998 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8000 * except.c (duplicate_eh_regions_1): Clear next_peer.
8002 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8004 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8005 -mlongcall does not guarantee all calls will be long.
8006 * doc/extend.texi (long_call/short_call): Document that longcall
8007 does not guarantee a long call will be used.
8008 (longcall/shortcall): Likewise.
8010 2006-07-18 Roger Sayle <roger@eyesopen.com>
8013 * expmed.c (expand_shift): Additionally check that the shift_cost
8014 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8015 before implementing a LSHIFT_EXPR as a sequence of additions.
8016 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8017 middle-end that DImode shifts need to be synthesized by expand.
8019 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8022 * tree-ssa-operands.c (access_can_touch_variable): Update
8024 Return true if ALIAS is .GLOBAL_VAR.
8026 2006-07-18 David Daney <ddaney@avtrex.com>
8028 * gcc.c (display_help): Fix typo in help text.
8030 2006-07-18 Olivier Hainque <hainque@adacore.com>
8032 * tree.h (categorize_ctor_elements): Adjust prototype and add
8033 descriptive comment, both in accordance with the interface change
8035 * varasm.c (constructor_static_from_elts_p): New function.
8036 Whether a constructor node is a valid static constant initializer
8037 if all its elements are.
8038 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8039 * output.h: Declare it.
8040 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8041 is a valid constant initializer instead of computing the number of
8042 non-constant elements. Use constructor_static_from_elts_p for this
8043 purpose. Replace the head comment with an indication that this is a
8044 helper for categorize_ctor_elements.
8045 (categorize_ctor_elements): Same interface change as for the _1
8046 helper. Former head comment from this helper moved here, adjusted to
8047 account for the interface changes.
8048 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8049 (all_zeros_p): Likewise.
8050 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8051 static versions of the constructor from the categorize_ctor_elements
8052 return value instead of the formerly computed number of non-constant
8055 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8057 * configure: Regenerate.
8058 * Makefile.in (build_libsubdir): New configure substitution
8059 (build_libobjdir): New variable.
8060 (BUILD_LIBIBERTY): Use it.
8062 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8065 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8067 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8070 * c-common.c (handle_weakref_attribute): Ignore attribute in
8071 the same conditions the alias attribute is ignored.
8073 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8075 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8076 (dbxout_begin_prologue): Increment scope_labelno.
8078 2006-07-17 Richard Henderson <rth@redhat.com>
8081 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8084 2006-07-17 Roger Sayle <roger@eyesopen.com>
8085 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8087 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8088 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8089 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8090 functions such as sbrk, write, etc.. Add function prototypes.
8091 Convert function declarations from K&R to ISO C. Cast pointers
8092 to "long" and "unsigned long" instead of "int" and "unsigned int".
8093 Convert tokens following #endif into comments.
8095 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8097 * invoke.texi: Remove mention of f77; Reformat table for
8098 inline parameter options correctly; mention that -malign-double
8099 is default on x86-64 targets.
8101 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8103 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8104 (convert_affine_scev, chrec_convert_aggressive): Use
8105 avoid_arithmetics_in_type_p. Do not check for the subtypes
8108 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8111 * optabs.c (expand_doubleword_shift): Wrap the call to
8112 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8114 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8117 * optabs.c (expand_binop): Pass next_methods rather than methods
8118 to expand_doubleword_shift.
8120 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8123 * tree.h (dump_addr): Declare.
8124 * print-tree.c (dump_addr): New function.
8125 (print_node_brief, print_node): Use it.
8126 * print-rtl.c (print_rtx): Likewise.
8127 * common.opt (-fdump-noaddr): New option.
8128 * doc/invoke.texi (-fdump-noaddr): Document.
8129 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8130 (ve_info_hash): Likewise.
8132 2006-07-13 Andrew Haley <aph@redhat.com>
8134 PR tree-optimization/19505
8135 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8136 edge leaving this block, make sure that the destination of this
8137 block has only one predecessor.
8139 2006-07-17 Richard Guenther <rguenther@suse.de>
8141 PR tree-optimization/28238
8142 * tree-inline.c (copy_bb): Check if we produced valid
8143 gimple copying and substituting a stmt. If not, gimplify
8146 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8148 * optabs.c (maybe_encapsulate_block): New function extracted from...
8149 (emit_libcall_block): ...here. Invoke it on the block of insns to
8150 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8151 (emit_no_conflict_block): Likewise.
8153 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8155 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8157 2006-07-15 Roger Sayle <roger@eyesopen.com>
8159 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8160 a new NOP_EXPR case of the switch statement.
8162 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8165 * stor-layout.c (place_field): Take the bit field with
8166 an excessive size into account in the ms-bitfiled case.
8169 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8170 the previous bit field.
8172 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8175 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8177 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8179 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8180 signal frames correctly even when the signal was installed with
8183 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8185 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8186 (dbxout_function_end): Use local label LFBB. Remove hook
8188 (dbxout_source_line): Use local label LFBB.
8189 (dbxout_block): Likewise.
8190 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8191 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8192 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8193 and DBX_OUTPUT_NFUN.
8195 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8197 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8199 2006-07-13 Jan Hubicka <jh@suse.cz>
8201 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8203 * output.h (align_variable): Declare.
8204 * varasm.c (align_variable): Export.
8205 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8206 when basic block changed.
8208 2006-07-13 Nick Clifton <nickc@redhat.com>
8210 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8211 walking the LOG_LINKS chain.
8213 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8215 * doc/invoke.texi (C++ Dialect Options): Explain difference
8216 between -fvisibility-inlines-hidden and setting hidden
8217 visibility explicitly.
8219 2006-07-12 Eric Christopher <echristo@apple.com>
8221 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8222 (stmp-lipo): Depend on libgcc.a.
8224 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8226 * tree.c: Fix a comment typo.
8228 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8230 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8232 (umulhisi3_r): Likewise.
8234 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8237 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8238 x < 19, vs wchar_t support.
8240 2006-07-12 Nick Clifton <nickc@redhat.com>
8242 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8243 instead of -isa=sh4.
8245 2006-07-12 Mike Stump <mrs@apple.com>
8247 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8249 2006-07-10 Eric Christopher <echristo@apple.com>
8251 * config/t-slibgcc-darwin: Rewrite.
8253 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8256 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8259 2006-07-08 Matthias Klose <doko@debian.org>
8261 * doc/sourcebuild.texi: Fix typo.
8263 2006-07-07 Mike Stump <mrs@apple.com>
8265 * toplev.c (process_options): Don't give -ffunction-sections may
8266 affect debugging warning for Mach-O.
8268 2006-07-07 James E Wilson <wilson@specifix.com>
8270 * config/mips/mips.md (cpu): Add sb1a.
8271 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8272 addition to sb1. Adjust comments to clarify SB-1A differences from
8274 (ir_sb1a_load): New. Modify bypasses to use it.
8275 (ir_sb1a_simple_alu): Likewise.
8276 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8277 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8278 (mips_issue_rate): Add PROCESSOR_SB1A.
8279 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8280 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8281 (TARGET_SB1): Add PROCESSOR_SB1A check.
8282 (TUNE_SB1): Likewise.
8284 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8285 * config/mips/mips.c (mips_store_data_bypass_p): New.
8286 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8287 store_data_bypass_p.
8289 2006-07-08 Paul Brook <paul@codesourcery.com>
8292 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8294 2006-07-07 Richard Guenther <rguenther@suse.de>
8297 * tree.h (build_one_cst): Declare.
8298 * tree.c (build_one_cst): New function.
8299 * tree-ssa-math-opts.c (get_constant_one): Remove.
8300 (insert_reciprocals): Use build_one_cst.
8301 * fold-const.c (fold_plusminus_mult): Likewise.
8303 2006-07-07 Roger Sayle <roger@eyesopen.com>
8305 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8306 * cfgloopanal.c (dump_graph): Likewise.
8307 * dojump.c (discard_pending_stack_adjust): Likewise.
8308 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8310 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8311 * function.c (finalize_block_changes): Likewise.
8312 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8313 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8314 * rtl.c (dump_rtx_statistics): Likewise.
8315 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8317 * varray.c (dump_varray_statistics): Likewise.
8318 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8319 decode_decimal64, encode_decimal128, decode_decimal128,
8320 decimal_real_to_decimal): Likewise.
8322 2006-07-07 Richard Guenther <rguenther@suse.de>
8324 PR tree-optimization/28187
8325 * tree-vrp.c (vrp_operand_equal_p): New function.
8326 (vrp_bitmap_equal_p): Likewise.
8327 (update_value_range): Use them to compare old and new
8330 2006-07-06 Roger Sayle <roger@eyesopen.com>
8332 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8333 a default case to switch statement to silence compiler warnings.
8335 2006-07-06 Roger Sayle <roger@eyesopen.com>
8338 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8339 the configured assembler supports the x87's ffreep mnemonic.
8340 * configure: Regenerate.
8341 * config.in: Regenerate.
8343 * config/i386/i386.c (output_387_ffreep): New function.
8344 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8345 (output_387_reg_move): Likewise.
8347 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8349 Port to hosts whose 'sort' and 'tail' implementations
8350 treat operands with leading '+' as file names, as POSIX
8351 has required since 2001. However, make sure the code still
8352 works on pre-POSIX hosts.
8353 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8354 which says you should use "tail -c +N" rather than "tail +Nc".
8355 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8357 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8359 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8362 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8365 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8366 PRE_{INC,DEC} of TFmode.
8368 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8369 Alan Modra <amodra@bigpond.net.au>
8372 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8375 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8378 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8379 Remove duplicate gtu.
8381 2006-07-05 Jason Merrill <jason@redhat.com>
8385 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8386 * c-common.c (handle_packed_attribute): So don't copy it here.
8387 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8389 2006-07-05 Mike Stump <mrs@apple.com>
8391 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8393 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8396 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8398 2006-07-05 Richard Guenther <rguenther@suse.de>
8401 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8402 TARGET_SSE2 targets if using SSE math.
8403 (*absdf2_1): Likewise.
8405 2006-07-05 Richard Guenther <rguenther@suse.de>
8407 PR tree-optimization/28162
8408 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8409 make sure to convert the operands to the correct type.
8411 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8413 PR tree-optimization/28218
8415 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8416 to calculate and free the dominator information.
8418 2006-07-04 Peter O'Gorman <peter@pogma.com>
8420 * mklibgcc.in: chmod 644 before ranlib during install.
8422 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8423 J"orn Rennecke <joern.rennecke@st.com>
8425 * configure.ac (.eh_frame data check): Use diff -b.
8427 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8430 * Makefile.in (BUILD_RTL): Add build/vec.o.
8431 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8432 (build/genextract): Delete.
8433 (build/genautomata): Likewise.
8435 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8438 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8439 128-bit IBM long doubles for ABI_V4.
8441 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8443 * tree.c (range_in_array_bounds_p): New predicate.
8444 * tree.h (range_in_array_bounds_p): Declare it.
8445 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8446 return a less conservative answer.
8447 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8448 and flag 'is_group'.
8449 (IS_ELEMENT_FOR_GROUP): New macro.
8450 (FOR_EACH_ACTUAL_CHILD): Likewise.
8451 (next_child_for_group): New helper function.
8452 (can_completely_scalarize_p): Take into account groups.
8453 (sra_hash_tree): Handle RANGE_EXPR.
8454 (sra_elt_eq): Likewise.
8455 (lookup_element): Be prepared for handling groups.
8456 (is_valid_const_index): Delete.
8457 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8458 instead of is_valid_const_index.
8459 <ARRAY_RANGE_REF>: New case.
8460 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8461 is_valid_const_index.
8462 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8463 (scan_dump): Dump info for groups too.
8464 (decide_instantiation_1): Likewise.
8465 (decide_block_copy): Assert that the element is not a group.
8466 Propagate decision to groups.
8467 (generate_one_element_ref): Handle RANGE_EXPR.
8468 (mark_no_warning): Iterate over actual childs.
8469 (generate_copy_inout): Likewise.
8470 (generate_element_copy): Likewise.
8471 (generate_element_zero): Likewise.
8472 (generate_element_init_1): Likewise.
8473 (dump_sra_elt_name): Handle RANGE_EXPR.
8475 2006-07-03 Roger Sayle <roger@eyesopen.com>
8477 PR tree-optimization/26251
8478 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8479 (thread_block): When optimizing for size refuse to thread jumps
8480 that would require duplication of blocks other than redirection
8483 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8485 * configure.ac: Fix thinko in previous check-in.
8486 * configure: Regenerate.
8488 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8491 * configure.ac (for lang...): Simplify nesting of conditionals.
8492 Test subdir_requires for non-enabled languages. Move processing
8493 of lang_opt_files and lang_tree_fiels below that test.
8494 * configure: Regenerate.
8495 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8497 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8499 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8501 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8503 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8506 2006-06-29 Jason Merrill <jason@redhat.com>
8513 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8514 * c-common.c (c_determine_visibility): Handle it here.
8515 * c-decl.c (finish_decl): Call c_determine_visibility for
8517 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8519 * varasm.c (default_assemble_visibility): Likewise.
8520 * c-common.c (handle_visibility_attribute): Complain about trying
8521 to give visibility to an already defined class, or trying to change
8522 declared visibility. Always attach the attribute.
8527 * attribs.c (decl_attributes): Ignore type-in-place attributes
8528 once the type has been defined.
8530 2006-06-29 Roger Sayle <roger@eyesopen.com>
8533 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8534 to indicate the cpplib has issued an error message for us.
8536 2006-06-29 Asher Langton <langton2@llnl.gov>
8539 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8540 insert a label at the end of an function under Mach-O.
8542 2006-06-29 Eric Christopher <echristo@apple.com>
8543 Evan Cheng <evan.cheng@apple.com>
8545 * predicates.md (vector_all_ones_operand): New.
8546 (nonimmediate_or_sse_const_operand): Ditto.
8547 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8548 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8549 (standard_sse_mode_p): Ditto.
8550 (standard_sse_constant_p): Add case for -1 vector.
8551 (ix86_expand_vector_move): Try to use.
8552 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8553 Call standard_sse_constant_opcode.
8554 (*movv4sf_internal): Ditto.
8555 (*movv2df_internal): Ditto.
8557 2006-06-29 Roger Sayle <roger@eyesopen.com>
8559 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8560 of XEXP to extract the operands of a MATCH_CODE rtx.
8562 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8564 * tree.c (tree_size): Do not waste tail padding in
8565 struct tree_string and make the size be the same as
8566 build_string will generate.
8568 2006-06-28 Jason Merrill <jason@redhat.com>
8571 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8572 may_aliases already in the tag's annotations to the bitmap.
8574 2006-06-28 Roger Sayle <roger@eyesopen.com>
8576 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8578 2006-06-28 Roger Sayle <roger@eyesopen.com>
8580 * genpreds.c (generate_switch_p): New function.
8581 (add_mode_tests): Push the new mode test down inside an AND expr
8582 if this allows the switch-suitable MATCH_CODE to be near the root.
8583 (write_match_code_switch): New function to write a MATCH_CODE as
8585 (write_predicate_stmts): New function to write a predicate RTX
8586 expression as a sequence of statements.
8587 (write_one_predicate_function): Use write_predicate_stmts.
8588 (write_tm_constrs_h): Likewise.
8590 2006-06-26 Fred Fish <fnf@specifix.com>
8592 * config/mips/t-sb1: New file.
8593 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8596 2006-06-26 DJ Delorie <dj@redhat.com>
8598 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8600 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8601 Jayant Sonar <jayants@kpitcummins.com>
8602 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8604 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8605 (subsi3, subsi3_1, subsi3_2): New.
8606 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8607 * config/m32c/mov.md (SI mov peephole): New.
8608 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8609 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8611 2006-06-26 Olivier Hainque <hainque@adacore.com>
8613 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8614 a CALL_EXPR target function declaration.
8616 2006-06-26 Richard Guenther <rguenther@suse.de>
8618 * tree.c (build_string): Do not waste tail padding in
8621 2006-06-26 Richard Guenther <rguenther@suse.de>
8623 * ggc-page.c (init_ggc): Add missing element to size_lookup
8627 2006-06-23 Richard Guenther <rguenther@suse.de>
8629 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8630 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8631 alignment requests instead. Add verification code.
8632 Add struct tree_function_decl and struct tree_binfo size to
8633 extra_order_size_table. Add missing element to size_lookup
8636 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8639 * fold-const.c (const_binop): Be prepared for self returning zero.
8640 Simplify code handling complex values.
8642 2006-06-24 Olivier Hainque <hainque@adacore.com>
8644 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8645 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8648 2006-06-24 Olivier Hainque <hainque@adacore.com>
8650 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8651 ARRAY_REF, so have the callback called for the low bound expression.
8653 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8655 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8656 * c-typeck.c (c_common_type): Disallow operations on decimal float
8657 types and other float types.
8658 * convert.c (convert_to_real): Don't ignore conversions involving
8659 decimal float types.
8661 2006-06-23 Olivier Hainque <hainque@adacore.com>
8663 * tree.c (max_int_size_in_bytes): New function, inspired from
8664 code in function.c:assign_temp.
8665 * tree.h (max_int_size_in_bytes): Declare.
8666 * function.c (assign_temp): Use it.
8667 * gimplify.c (create_tmp_var): Relax the assertions on the type
8668 properties, not mandating constant size any more.
8669 (force_constant_size): New static function.
8670 (gimple_add_tmp_var): Use it, forcing variable size to a
8671 constant upper bound if it is not constant on entry.
8673 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8676 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8677 for initialization and setting of one_only flag to ...
8678 (i386_pe_encode_section_info): ...here.
8679 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8680 Recheck that the symbol has not been defined.
8682 2006-06-23 Richard Guenther <rguenther@suse.de>
8684 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8685 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8686 alignment requests instead. Add verification code.
8687 Add struct tree_function_decl and struct tree_binfo size to
8688 extra_order_size_table. Add missing element to size_lookup
8691 2006-06-22 Roger Sayle <roger@eyesopen.com>
8692 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8695 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8696 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8698 2006-06-23 Ben Elliston <bje@au.ibm.com>
8700 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8701 negate dn -- manipulate it directly.
8703 2006-06-22 Roger Sayle <roger@eyesopen.com>
8704 Steven Bosscher <stevenb.gcc@gmail.com>
8707 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8708 generated by gen_move_insn to add REG_LABEL notes if necessary.
8710 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8712 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8713 (leaf_entry): Remove use of MIN_ESA.
8715 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8717 PR rtl-optimization/28121
8718 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8721 2006-06-21 DJ Delorie <dj@redhat.com>
8723 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8725 (mulhisi3_r): Likewise.
8727 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8730 * coverage.c (coverage_counter_alloc): Leave the index type
8732 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8735 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8737 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8738 section from the "Options for Code Generation Conventions".
8740 2006-06-21 Richard Henderson <rth@redhat.com>
8744 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8746 (global_symbolic_operand): Allow weak symbols, even if local_p.
8748 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8750 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8751 (find_interesting_uses_address): Punt if above function returns true.
8753 2006-06-21 Richard Guenther <rguenther@suse.de>
8755 * configure: Regenerated.
8757 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8759 * config/mips/mips.c (function_arg): Where one part of a
8760 complex argument is in registers and the other part in the stack,
8761 return a REG not a PARALLEL.
8763 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8765 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8766 when cross-compiling. Do not substitute libstdcxx_incdir.
8767 * configure: Regenerated.
8769 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8771 * varasm.c (mergeable_string_section): Check for embedded NULs and
8772 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8773 rather than TREE_STRING_LENGTH bytes.
8775 2006-06-21 Richard Guenther <rguenther@suse.de>
8777 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8778 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8781 2006-06-21 Richrad Guenther <rguenther@suse.de>
8783 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8784 Limit iteration over the dominators.
8786 2006-06-20 Roger Sayle <roger@eyesopen.com>
8788 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8789 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8791 2006-06-20 Richard Guenther <rguenther@suse.de>
8792 Michael Matz <matz@suse.de>
8794 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8796 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8797 * et-forest.h (et_free_pools): Prototype new function.
8798 * et-forest.c (et_free_tree_force): Free parent occurrence.
8799 (et_free_pools): New function.
8800 * dominance.c (free_dominance_info): Free et-forest alloc
8803 2006-06-20 Roger Sayle <roger@eyesopen.com>
8805 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8806 integer modes, attempt to directly construct an integer constant.
8808 * fold-const.c (native_encode_vector): Determine the size of each
8809 element from the vector type instead of the first vector element.
8811 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8812 if all of its elements/components are constant.
8813 (build_constructor_from_list): Likewise.
8815 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8817 PR tree-optimization/27331
8818 * tree-data-ref.c (free_data_ref): New function.
8819 (create_data_ref): Fail if the data reference has unknown access
8821 (free_data_refs): Use free_data_ref.
8823 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8826 * tree-inline.c (setup_one_parameter): Strip useless
8827 type conversion before adding it to the IR.
8828 (declare_return_variable): Likewise.
8830 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8833 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8835 2006-06-19 Mike Stump <mrs@apple.com>
8837 * tree.c (variably_modified_type_p): VM arguments don't make the
8840 2006-06-19 Richard Guenther <rguenther@suse.de>
8842 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8843 type conversions after folding.
8845 2006-06-19 Richard Guenther <rguenther@suse.de>
8847 * ggc-page.c (extra_order_size_tab): Add entries with
8848 size of struct function and basic_block.
8849 (size_lookup): Extend to cover sizes up to 511.
8850 (ggc_alloc_stat): Adjust user.
8851 (ggc_pch_count_object): Likewise.
8852 (ggc_pch_alloc_object): Likewise.
8853 (ggc_pch_write_object): Likewise.
8855 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8857 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8858 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8861 2006-06-19 Denis Chertykov <denisc@overta.ru>
8863 * config/avr/libgcc.S : Correct my wrong previous commit.
8865 2006-06-19 Roger Sayle <roger@eyesopen.com>
8868 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8869 have stripped a SUBREG from the shift count, so we may need to
8870 convert_to_mode back to the type's mode before calling make_tree.
8871 Use new_amount instead of amount to avoid expanding a tree twice.
8873 2006-06-19 Richard Guenther <rguenther@suse.de>
8876 * fold-const.c (operand_equal_p): Check if the argument types
8877 have the same precision before stripping NOPs.
8879 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8881 Fix PR tree-optimization/27341
8882 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8884 * tree-complex.c (pass_lower_complex): Update SMT usage.
8886 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8888 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8889 Add a new alternative to the constraint strings. Add move of
8890 operand 1 to 3 to the splitter definition.
8891 ("doloop_si_long"): Second contraint alternative removed.
8893 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8895 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8896 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8898 (AVR_HAVE_MOVW) Define.
8899 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8900 (ASM_SPEC): Add avr25.
8901 (LINK_SPEC): Add avr25.
8902 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8903 (base_arch_s): Add new member 'have_movw_lpmx'.
8904 (avr_arch_types): Init 'have_movw_lpmx'.
8905 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8906 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8907 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8908 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8909 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8911 (avr_file_start): Do not output '.arh' derective.
8912 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8913 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8914 * config/avr/avr.md (mcu_enhanced): Delete.
8915 (mcu_have_movw): Define.
8916 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8917 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8918 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8919 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8920 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8921 attiny861 and at86rf401 devices.
8923 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8925 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8928 2006-06-17 Karl Berry <karl@gnu.org>
8930 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8931 doc/gccint.texi, doc/install.texi (@dircategory): Use
8932 "Software development" instead of "Programming", following
8933 the Free Software Directory.
8935 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8937 * config/i386/i386.c (legitimate_tls_address)
8938 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8939 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8940 (*tls_dynamic_gnu2_combine_64): Likewise.
8942 2006-06-16 Richard Guenther <rguenther@suse.de>
8945 * fold-const.c (negate_expr_p): Do not introduce undefined
8946 overflow in negating INTEGER_CSTs.
8947 (fold_negate_expr): Rename from negate_expr. Revert last
8948 change for folding BIT_NOT_EXPR. Change semantics to
8949 return NULL_TREE for non-simplified negations. Do not
8950 strip type conversions and unify type handling.
8951 (negate_expr): New function, wrap around fold_negate_expr
8952 but ensure building a tree always. Strip type conversions
8953 here, fold to result type.
8954 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8956 2006-06-16 Roger Sayle <roger@eyesopen.com>
8959 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8960 that (would) return their results in stack registers.
8962 2006-06-16 Michael Matz <matz@suse.de>
8963 Richard Guenther <rguenther@suse.de>
8965 * fold-const.c (fold_truthop): Only return new tree node if
8966 we canonicalized something.
8968 2006-06-16 Richard Guenther <rguenther@suse.de>
8970 * function.h (enum function_frequency): Move declaration
8971 out of struct function.
8972 (struct function): Move bool fields and the enum to the bitfield
8973 section. Reorder elements to avoid padding. Remove unused
8974 fields left over from the RTL inliner removal.
8975 * function.c (free_after_compilation): Do not zero removed fields.
8976 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8977 (ipa-type-escape.o): Likewise.
8979 2006-06-16 Richard Guenther <rguenther@suse.de>
8981 * cgraph.h (struct cgraph_local_info): Turn bool elements
8983 (struct cgraph_node): Likewise.
8984 (struct cgraph_varpool_node): Likewise.
8986 2006-06-15 Richard Guenther <rguenther@suse.de>
8988 * fold-const.c (fold_truth_not_expr): Rename from
8989 invert_truthvalue. Give it fold_* semantics to avoid
8991 (invert_truthvalue): New function. Wrapper around
8992 fold_truth_not_expr.
8993 (optimize_minmax_comparison): Avoid creating garbage.
8994 (fold_unary): Use fold_truth_not_expr for folding
8996 (fold_ternary): Replace uses of invert_truthvalue with
8997 fold_truth_not_expr where applicable.
8998 * tree.h (fold_truth_not_expr): Prototype.
9000 2006-06-16 Richard Guenther <rguenther@suse.de>
9002 PR tree-optimization/27781
9003 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9004 * ipa-pure-const.c (target.h): Include.
9005 (analyze_function): Do not analyze functions that do not
9008 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9011 * tree-dfa.c (referenced_vars_dup_list): Remove.
9012 (find_referenced_vars): Remove assert.
9013 (referenced_var_check_and_insert): Replace dup list with assert.
9014 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9015 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9017 2006-06-15 Richard Guenther <rguenther@suse.de>
9019 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9020 extra unused identifiers if not dumping.
9021 (create_variable_info_for): Likewise.
9023 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9025 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9026 (derive_constant_upper_bound): Derive more precise upper bound in
9027 common cases. Return type changed to double_int.
9028 (record_estimate): Reflect the changed return type of
9029 derive_constant_upper_bound.
9030 * double-int.c (double_int_zext, double_int_sext): Fix.
9032 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9034 * configure.ac (CFLAGS): Get them from the toplevel or from the
9035 configure invocation.
9036 * configure: Regenerate.
9037 * Makefile.in (CFLAGS): Substitute value provided by configure.
9039 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9042 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9043 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9044 rather than calling add_stmt on it.
9045 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9047 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9050 * reload1.c (reload): Remove registers returned by update_eliminables
9051 from used_spill_regs.
9053 2006-06-13 DJ Delorie <dj@redhat.com>
9055 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9057 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9059 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9060 html__strip_dir, html__mkdir_p. Enhance install-html target.
9061 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9062 * configure: Regenerate.
9064 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9066 * fold-const.c (fold_cond_expr_with_comparison): Check for
9067 Objective-C++ as language in deciding COND_EXPR transformation.
9069 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9072 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9073 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9074 * config/sh/lib1funcs.h (SL, SL1): Define.
9075 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9076 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9077 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9078 (OBJS_Os_4_200): New variable.
9079 ($(T)libgcc-Os-4-200.a): Use it.
9080 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9081 when dividing 1 and/or by 0.
9083 2006-06-13 Roger Sayle <roger@eyesopen.com>
9085 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9086 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9087 * configure: Regenerate.
9089 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9091 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9092 for real instruction.
9094 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9097 * haifa-sched.c (check_cfg): Handle special case.
9099 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9102 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9103 Add debug_info parameter. Chain the vars to the BLOCK instead
9104 of the BIND_EXPR if debug info are requested for them.
9105 (pop_gimplify_context): Adjust for above change.
9106 (gimple_add_tmp_var): Likewise.
9107 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9109 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9110 (convert_local_reference): Likewise.
9111 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9112 (finalize_nesting_tree_1): Request that debug info be emitted
9113 for debug_var_chain.
9115 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9117 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9118 for PR target/27863.
9120 2006-06-13 Richard Guenther <rguenther@suse.de>
9123 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9125 2006-06-13 Richard Guenther <rguenther@suse.de>
9127 PR tree-optimization/27830
9128 * tree-inline.c (copy_body_r): For copying the operand
9129 of an ADDR_EXPR make sure to fold &* afterwards.
9131 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9133 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9134 lvalues in the fb_none case with side-effects.
9136 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9138 * tree-flow.h: Remove the prototype for
9139 compute_phi_arg_on_exit.
9140 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9141 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9144 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9146 * builtins.c (expand_builtin_return_addr): Only use
9147 frame_pointer_rtx when count == 0 and we are expanding
9148 __builtin_return_address.
9150 2006-06-12 Fred Fish <fnf@specifix.com>
9152 * config/mips/mips.c (mips_file_start): Create special section
9153 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9155 2006-06-11 Eric Christopher <echristo@apple.com>
9158 * stor-layout.c (place_field): Remove check for
9159 remaining_in_alignment when aligning at the end of a run.
9161 2006-06-11 Eric Christopher <echristo@apple.com>
9164 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9167 2006-06-11 Roger Sayle <roger@eyesopen.com>
9170 Revert incorrect fix for PR target/27158
9171 2006-05-08 Roger Sayle <roger@eyesopen.com>
9172 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9173 of a reg_equiv_constant if the result is a legitimate constant.
9175 2006-06-11 Roger Sayle <roger@eyesopen.com>
9178 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9179 extract a CONST_VECTOR element and interpret it as an integer.
9180 (vspltis_constant): Use const_vector_elt_as_int instead of the
9181 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9182 * config/rs6000/predicates.md (easy_vector_const): Consider
9183 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9185 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9188 * stor-layout.c (update_alignment_for_field): Don't add extra
9189 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9192 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9194 * config/mips/t-rtems: Add EL/EB multilib variants.
9196 2006-06-09 Mike Stump <mrs@apple.com>
9198 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9200 2006-06-09 David Daney <ddaney@avtrex.com>
9202 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9204 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9206 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9208 2006-06-09 Richard Guenther <rguenther@suse.de>
9210 PR tree-optimization/26998
9211 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9212 of signed types, only TYPE_MIN_VALUE is special, but for both,
9213 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9214 in this case, as is -fwrapv.
9216 2006-06-08 Mike Stump <mrs@apple.com>
9219 * config/darwin.c (darwin_asm_output_anchor): Disable
9220 -fsection-anchors on darwin for now.
9221 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9222 * rs6000/rs6000.c (optimization_options): Likewise.
9224 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9227 * config/i386/i386.c (classify_argument): Skip fields with invalid
9230 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9232 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9233 (cse_insn): Likewise for the stack_pointer_rtx.
9235 2006-06-08 Roger Sayle <roger@eyesopen.com>
9237 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9238 conditions from floating point comparisons.
9240 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9243 * expmed.c (struct alg_hash_entry): Fix type of field T
9244 to match synth_mult argument.
9245 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9247 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9250 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9253 2006-06-08 Richard Guenther <rguenther@suse.de>
9256 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9257 only, if overflow is defined and not trapping.
9258 (negate_expr): Likewise.
9260 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9262 PR tree-optimization/27872
9263 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9264 flag on the new exit edge of the unrolled loop.
9266 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9268 PR rtl-optimization/26449
9269 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9271 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9274 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9275 referenced_variables with matching DECL_UID's.
9276 (find_referenced_vars): Make sure duplicate list is empty to start.
9277 (referenced_var_p): Remove.
9278 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9279 Check if var is in the list, and add if needed. Update the duplicate
9280 list if a different var is in the list with the same DECL_UID.
9281 (add_referenced_var): Call routine to check and insert.
9282 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9283 * tree-flow.h (referenced_vars_dup_list): External declaration.
9285 2006-06-07 Fred Fish <fnf@specifix.com>
9287 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9290 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9293 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9294 the imaginary and real parts of a clobbered register.
9295 Emit insn to set the imaginary part.
9297 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9299 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9300 in lieu of unwind-dw2-fde.c.
9302 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9304 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9306 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9309 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9310 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9311 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9312 V4SImode temporaries and operations instead.
9314 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9316 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9319 2006-06-06 Mike Stump <mrs@apple.com>
9321 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9322 installing during build.
9324 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9326 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9328 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9329 * config/ia64/ia64.c (params.h): New header.
9330 (ia64_optimization_options): New function to adjust parameters.
9331 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9332 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9333 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9335 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9337 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9339 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9342 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9344 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9345 Victor Kaplansky <victork@il.ibm.com>
9347 PR tree-optimization/26360
9348 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9351 2006-06-04 Roger Sayle <roger@eyesopen.com>
9352 Andrew Pinski <pinskia@physics.uc.edu>
9355 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9356 for LABEL_DECL before calling DECL_WEAK.
9359 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9360 LABEL_DECL and PARM_DECL.
9362 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9366 * c-decl.c (grokdeclarator): Disallow variably modified types at
9367 file scope. Avoid marking shared array type of constant size as
9370 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9373 * c-common.c (fold_offsetof_1): Handle static members.
9375 2006-06-04 Eric Christopher <echristo@apple.com>
9377 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9378 (debug_rli): Output value for remaining_in_alignment.
9379 (update_alignment_for_field): Unconditionalize
9380 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9381 extra alignment code.
9382 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9383 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9384 * tree.h (record_layout_info_s): Remove prev_packed.
9385 * doc/extend.texi (ms_struct): Add documentation of format.
9387 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9389 * tree.h: Declare folding_initializer.
9390 * builtins.c (fold_builtin_constant_p): Give definite answer
9391 if folding inside an initializer.
9392 * fold-const.c: Define folding_initializer.
9393 (START_FOLD_INIT): Save and then set folding_initializer.
9394 (END_FOLD_INIT): Restore folding_initializer.
9396 2006-06-04 Richard Guenther <rguenther@suse.de>
9398 PR tree-optimization/27039
9399 * fold-const.c (fold_comparison): Handle pointer comparison
9400 again for all comparison codes. Compare offsets in signed
9402 (fold_binary): Move code from here.
9404 2006-06-03 Roger Sayle <roger@eyesopen.com>
9407 * config/i386/i386.c (construct_container): Split static issued_error
9408 flag into issued_sse_arg_error, issued_sse_ret_error and
9409 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9410 requires the use of x87 registers and the user explicitly
9411 specified the -mno-80387 command line option.
9413 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9415 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9416 HAVE_DECL_SIGALTSTACK.
9418 (segv_handler): Use MC_FLD.
9419 * configure.ac: Check for a sigaltstack declaration.
9420 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9421 * configure: Regenerate.
9422 * config.in: Regenerate.
9424 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9427 * Makefile.in (stmp-fixinc): Fix typo.
9429 2006-06-02 Roger Sayle <roger@eyesopen.com>
9431 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9432 are type correct. Clean-up.
9433 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9434 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9436 2006-06-01 DJ Delorie <dj@redhat.com>
9438 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9439 shift, as we've disabled the "switch" insn that needs it.
9441 2006-06-01 Per Bothner <bothner@bothner.com>
9443 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9444 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9445 * c-ppoutput.c (cb_define): Don't increment line 0.
9447 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9449 * doc/invoke.texi: Add cpu_type power6.
9450 * config.gcc: Add cpu_type power6.
9451 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9452 to power5+ with Altivec.
9453 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9454 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9456 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9458 * config/avr/avr.h (SET_ASM_OP): Define.
9460 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9462 * config/bfin/bfin.c: Fix comment typos.
9464 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9467 * doc/install.texi: Document --enable-bootstrap and
9468 --disable-bootstrap.
9470 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9472 * doc/install.texi: Document that InfoZIP can replace jar.
9474 2006-05-31 Roger Sayle <roger@eyesopen.com>
9476 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9477 isn't available, directly generate the simpler x87 patterns without
9478 the (use (const_int 0)).
9479 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9480 implementation isn't available.
9481 (*negdf2_1): Likewise.
9482 (*negxf2_1): XF mode negation is always done using the x87.
9483 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9485 2006-05-31 Roger Sayle <roger@eyesopen.com>
9487 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9488 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9490 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9492 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9494 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9495 * config/bfin/bfin.c (basic-block.h): Include.
9496 (struct machine_function): New.
9497 (bfin_init_machine_status): New.
9498 (override_options): Initialize init_machine_status.
9499 (bfin_hardware_loop): New.
9500 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9501 (DEF_VEC_P (loop_info)): New.
9502 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9503 (struct loop_info): New.
9504 (loop_info): New typedef.
9505 (struct loop_work): New.
9506 (loop_work): New typedef.
9507 (DEF_VEC_O (loop_work)): New.
9508 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9509 (bfin_dump_loops): New.
9510 (bfin_bb_in_loop): New.
9511 (bfin_scan_loop): New.
9512 (bfin_optimize_loop): New.
9513 (bfin_reorg_loops): New.
9514 (bfin_reorg): Use bfin_reorg_loops.
9515 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9517 (I_REGNO_P): Simplify.
9518 (DP_REGNO_P, DPREG_P): New macros.
9519 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9520 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9521 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9522 Add LT_REGS, LC_REGS, LB_REGS.
9523 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9525 (REGNO_REG_CLASS): Deal with loop registers.
9526 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9528 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9529 New constants for loop registers.
9530 (UNSPEC_LSETUP_END): New.
9531 (seq_insns): New define_attr. Set it for appropriate insns.
9532 (movsi_insn): Add alternatives for move from/to
9533 loop count registers.
9534 (doloop_end): New define_expand.
9535 (loop_end): New define_insn.
9536 (define_split for bad doloop_end): New.
9537 (lsetup_with_autoinit): New define_insn.
9538 (lsetup_without_autoinit): New define_insn.
9539 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9540 * config/bfin/predicates.md (lc_register_operand): New.
9541 (lt_register_operand): New.
9542 (lb_register_operand): New.
9543 (nondp_register_operand): New.
9544 (nondp_reg_or_memory_operand): New.
9545 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9547 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9549 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9550 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9552 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9554 * Makefile.in (CATALOGS): Add po/ prefix.
9555 * configure: Regenerated.
9557 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9560 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9561 a shift operand before calling shift_op. Avoid redundant call of
9564 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9565 DJ Delorie <dj@redhat.com>
9567 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9568 we're inserting is a singlt-bit constant.
9570 2006-05-30 Roger Sayle <roger@eyesopen.com>
9572 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9573 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9575 2006-05-30 Roger Sayle <roger@eyesopen.com>
9577 PR tree-optimization/23452
9578 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9579 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9580 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9581 complex values and with -ffast-math for FP complex values.
9583 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9585 * c-common.h: Remove the prototype for yyparse.
9586 * rtl.h: Remove the prototype for init_loop.
9588 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9590 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9593 2006-05-30 Roger Sayle <roger@eyesopen.com>
9595 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9597 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9598 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9600 2006-05-30 Dirk Mueller <dmueller@suse.de>
9603 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9604 for CONSTANT_CLASS_P expresisons.
9606 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9609 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9611 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9613 PR tree-optimization/27779
9614 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9615 initial_condition instead of CHREC_LEFT.
9617 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9619 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9620 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9621 Make prototypes ISO C90.
9623 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9624 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9626 * see.c (see_analyze_one_def): Correct check.
9627 (see_get_extension_data): Check if extension is parallel.
9628 (see_get_extension_reg): Likewise.
9630 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9633 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9634 into register for (code == GTU).
9636 2006-05-29 Roger Sayle <roger@eyesopen.com>
9638 PR tree-optimization/24964
9639 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9640 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9641 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9642 abs(x)*abs(x) as x*x for scalar floating point modes.
9644 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9647 * lambda-code.c (perfect_nestify): Don't copy statements
9648 in the inner loop: move them to the inner loop header.
9650 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9653 * c-tree.texi: Document OpenMP directives and clauses.
9655 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9657 * varasm.c (globalize_decl): Fix indentation.
9659 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9662 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9663 pass_fre, pass_store_ccp, pass_copy_prop,
9664 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9665 pass_return_slot, pass_object_size, pass_lim,
9666 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9667 pass_loop_prefetch and pass_stdarg.
9669 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9671 * config/bfin/bfin.opt (mfdpic): New option.
9672 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9673 (EXTRA_MULTILIB_PARTS): Likewise.
9674 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9675 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9677 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9678 (CRT_CALL_STATIC_FUNCTION): New.
9679 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9681 (CRT_CALL_STATIC_FUNCTION): New.
9682 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9684 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9685 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9686 (initialize_trampoline): Changed to handle FD-PIC code generation.
9687 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9688 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9689 (override_options): Disallow -mid-shared-library -mfdpic combination.
9690 Can't do unaligned ops if FD-PIC.
9691 Turn off flag_pic if trying to generate non-id-shared-library
9692 non-fdpic code, since it's not supported.
9693 (bfin_assemble_integer): New function.
9694 (TARGET_ASM_INTEGER): Define.
9695 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9697 * config/bfin/crtn.s: Restore them.
9698 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9700 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9701 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9702 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9703 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9704 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9706 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9707 FDPIC_REGS and FDPIC_FPTR_REGS.
9708 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9709 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9710 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9711 (load_funcdescsi): New pattern.
9712 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9713 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9714 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9716 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9718 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9721 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9723 * tree-flow.h: Remove the prototype for add_type_alias.
9724 * tree-ssa-alias.c (add_type_alias): Remove.
9726 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9728 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9729 config/fr30/fr30.md, config/i386/i386-interix.h,
9730 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9731 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9732 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9733 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9734 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9735 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9736 Follow spelling conventions.
9737 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9738 Follow spelling conventions.
9740 2006-05-27 Richard Guenther <rguenther@suse.de>
9743 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9744 to produce a constant of value 1 of generic type.
9746 2006-05-27 Dirk Mueller <dmueller@suse.de>
9748 * cgraphunit.c (decide_is_function_needed): Fix wrong
9751 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9753 PR rtl-optimization/27661
9754 * reload.c (find_reloads): When reloading a VOIDmode constant
9755 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9756 use Pmode as mode of the reload register.
9758 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9760 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9761 is enabled at -O and above.
9763 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9766 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9769 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9772 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9773 for anonymous variables explicitly declared by front ends.
9775 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9777 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9778 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9779 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9780 ref-all pointers, run a finalization pass for them.
9781 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9782 (finalize_ref_all_pointers): New function.
9783 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9784 regular pointer type to a ref-all pointer type.
9785 (get_tmt_for): Return the special memory tag for ref-all pointers.
9787 2006-05-25 Richard Guenther <rguenther@suse.de>
9790 * fold-const.c (fold_binary): Do not look at the stripped
9791 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9793 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9795 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9796 for LT and GT if the computed range is effectively empty.
9798 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9801 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9802 mips_quad_format formats instead of ieee_single_format,
9803 ieee_double_format and ieee_quad_format formats, respectively.
9805 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9807 PR tree-optimization/27639
9808 PR tree-optimization/26719
9809 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9810 call to scev_probably_wraps_p.
9811 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9812 used_in_pointer_arithmetic_p, convert_step): Removed.
9813 (nowrap_type_p): New function.
9814 (scev_probably_wraps_p): Rewritten.
9815 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9816 chrec_convert if chrec_convert_aggressive might have been used.
9817 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9818 scev_direction): New functions.
9819 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9820 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9821 instead of convert_step.
9822 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9823 (convert_step): Declaration removed.
9824 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9826 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9828 * df-core.c: Added to header comments.
9829 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9830 df_ur_bb_info, df_urec_bb_info): Added comments.
9831 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9832 urec, ri problems): Fixed header comments.
9833 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9834 code from df_rd_transfer_function.
9836 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9838 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9839 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9840 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9842 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9844 * expr.c (undefined_operand_subword_p): New.
9845 (emit_move_multi_word): Do not generate move from undefined bits
9846 of a paradoxical subreg.
9848 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9850 PR rtl-optimization/27736
9851 * combine.c (replaced_rhs_value): New variable.
9852 (combine_instructions): Set it.
9853 (distribute_notes): When distributing a note in replaced_rhs_insn,
9854 check whether the value was used in replaced_rhs_value.
9856 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9859 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9860 add_referenced_var instead of add_referenced_tmp_var.
9861 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9862 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9864 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9865 tree_optimize_tail_calls_1): Use add_referenced_var.
9866 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9867 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9868 Use add_referenced_var.
9869 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9870 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9871 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9872 Use add_referenced_var.
9873 * tree-dfa.c (struct walk_state): Remove.
9874 (find_referenced_vars): Remove walk state and vars_found hash table.
9875 (make_rename_temp): Use add_referenced_var.
9876 (find_vars_r): Pass less parameters to add_referenced_var.
9877 (referenced_var_p): New. Is var in referenced_var hash table.
9878 (referenced_var_insert): Assert var isn't already in hash table.
9879 (add_referenced_var): Don't need walk_state parameter. Add var if it
9880 isn't already in the hash table.
9881 (add_referenced_tmp_var): Remove.
9882 (find_new_referenced_vars_1): Use add_referenced_var.
9883 * tree-ssa-pre.c (create_expression_by_pieces,
9884 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9885 Use add_referenced_var.
9886 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9887 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9888 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9890 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9891 vect_create_data_ref_ptr, vect_create_destination_var,
9892 vect_init_vector, vect_build_loop_niters,
9893 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9894 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9895 Use add_referenced_var.
9896 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9897 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9898 (add_referenced_var): Add prototype.
9899 * tree-ssa-structalias.c (get_constraint_for,
9900 intra_create_variable_infos): Use add_referenced_var.
9902 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9904 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9905 big-endian paradoxical subregs.
9906 * var-tracking.c (struct micro_operation_def): Document that,
9907 for modify micro operations, insn is the subsequent instruction.
9908 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9909 (var_reg_set, var_mem_set): ... new functions.
9910 (add_stores): Record subsequent insn.
9911 (compute_bb_dataflow): Use new functions for MO_USE.
9912 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9913 notes after the insn, and modify notes before the insn known
9914 to be the subsequent one.
9915 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9917 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9920 * config/i386/i386.c (ix86_expand_builtin): Use
9921 gen_sse3_monitor64 for TARGET_64BIT.
9923 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9925 PR rtl-optimization/26375
9926 PR rtl-optimization/26855
9927 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9929 (df_ru_bb_local_compute): Reversed statements and removed bogus
9930 comment explaining why they should be in wrong order.
9931 (df_ru_dump, df_rd_dump): Enhanced debug info.
9932 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9934 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9935 reaching uses and fixed space problem.
9937 2006-05-23 Jan Hubicka <jh@suse.cz>
9939 * cgraphunit.c (decide_is_function_needed): Also nested functions
9940 and functions declared inline can be optimized out at -O0.
9942 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9944 * doc/install.texi (Configuration): Remove reference to CrossGCC
9948 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9951 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9952 ix86_compare_emitted is non-NULL.
9954 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9957 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9960 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9962 PR rtl-optimization/25514
9963 * combine.c (replaced_rhs_insn): New variable.
9964 (combine_instructions): Set replaced_rhs_insn when trying to replace
9965 a SET_SRC with a REG_EQUAL note.
9966 (distribute_notes): Use replaced_rhs_insn when determining the live
9967 range of a REG_DEAD register.
9969 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9970 Anatoly Sokolov <aesok@post.ru>
9972 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9973 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9974 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9975 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9976 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9977 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9978 at90usb647, at90usb1286 and at90usb1287 devices.
9979 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9980 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9982 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9984 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9986 2006-05-22 Richard Guenther <rguenther@suse.de>
9989 2006-01-31 Richard Guenther <rguenther@suse.de>
9990 Paolo Bonzini <bonzini@gnu.org>
9992 * doc/install.texi (--disable-libgcc-math): Document.
9994 2006-05-22 Richard Guenther <rguenther@suse.de>
9997 2006-01-31 Richard Guenther <rguenther@suse.de>
9999 * doc/invoke.texi (-msselibm): Document.
10000 * target.h (expand_library_builtin): New target hook.
10001 * builtins.c (expand_builtin): Use expand_library_builtin.
10002 (default_expand_library_builtin): New function.
10003 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10004 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10005 (link_gcc_math_spec): Declare.
10006 (static_specs): Add link_gcc_math_spec.
10007 * expr.h (default_expand_library_builtin): Declare.
10008 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10009 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10010 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10011 * config/i386/i386.opt (msselibm): New target option.
10012 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10013 (ix86_init_sse_abi_builtins): New function.
10014 (ix86_expand_library_builtin): Likewise.
10015 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10016 (override_options): Handle error conditions wrt -msselibm.
10017 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10018 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10019 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10022 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10025 * c-common.c (self_promoting_args_p): Skip erroneous args.
10028 * c-decl.c (finish_struct): Skip erroneous fields.
10030 2006-05-22 Nick Clifton <nickc@redhat.com>
10032 * config/cris/cris.opt (march): Remove VarExists attribute.
10033 (max-stackframe=): Likewise.
10035 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10037 * doc/rtl.texi: Fix a typo.
10038 * see.c: Fix comment typos.
10040 * tree-ssa-structalias.h (alias_info): Remove num_references.
10042 2006-05-21 Mike Stump <mrs@apple.com>
10044 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10046 (darwin_pragma_options): Use BAD instead.
10047 (darwin_pragma_unused): Likewise.
10048 (darwin_pragma_ms_struct): Likewise.
10050 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10052 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10054 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10056 PR rtl-optimization/27671
10057 * simplify-rtx.c (simplify_relational_operation_1): Fix
10058 simplifications of (eq/ne (xor x y) y) and
10059 (eq/ne (xor x y) x).
10061 PR tree-optimization/26622.
10062 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10065 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10067 * tree-cfg.c: Prune whitespace.
10068 (debug_tree_cfg): Point to correct header containing the
10071 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10073 PR middle-end/25776
10074 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10076 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10078 PR middle-end/25776
10079 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10080 or sorry count is non zero.
10082 2006-05-20 Andreas Schwab <schwab@suse.de>
10084 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10086 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10087 Kenneth Zadeck <zadeck@naturalbridge.com>
10089 PR rtl-optimization/26855
10091 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10093 (df_scan_alloc): Added code to properly handle multiword hard
10094 registers and add all_blocks parameter.
10095 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10096 code to properly handle multiword hard registers.
10097 (df_rescan_blocks): Added code to remove deleted blocks from
10099 (df_ref_create_structure, df_ref_record): Added code to properly
10101 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10102 and set DF_REF_PARTIAL.
10103 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10104 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10105 (df_scan_add_problem): Added flags parameter.
10106 (df_ref_create_structure): Changed switching structure.
10107 (df_bb_refs_record): Fixed case where duplicate artificial refs
10108 were created. Changed location of flags.
10109 (df_record_entry_block_defs): Added code to make stack pointer
10110 live in entry block. Refined cases where frame pointer is needed.
10111 Changed location of flags.
10112 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10113 (df_set_state): Removed function.
10114 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10115 df_insn_create_insn_record, df_insn_refs_delete,
10116 df_ref_create_structure): Formatting changes.
10117 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10118 df_delete_basic_block): New function.
10119 (df_init): Changed location of flags.
10120 (df_add_problem): Added flags parameter and the way flags are
10122 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10123 debug_df_chain): Improved debugging output.
10124 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10125 (df_refs_chain_dump): Removed df parameter.
10126 (df_iterative_dataflow): Added consistency check.
10127 (df_prune_to_subcfg): Made public.
10128 (df_analyze_problem): Added blocks_to_init parameter and made
10130 (df_ref_record, df_bb_refs_record, df_mark_reg,
10131 df_record_exit_block_uses): Whitespace changes.
10132 (df_dump): Whitespace changes.
10133 * df.h: Some reordering to remove forward references.
10134 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10135 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10136 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10137 (dataflow.flags): New field.
10138 (df.flag): Deleted field.
10139 (df_alloc_function): Added additional bitmap parameter.
10140 (df_dependent_problem_function): New type.
10141 (df_problem.changeable_flags): New field.
10142 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10143 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10144 (df_mw_hardreg): New struct.
10145 (DF_INSN_UID_MWS): New macro.
10146 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10148 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10149 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10150 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10151 (df_set_state): Removed function.
10152 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10153 * df-problems.c (df_chain_dump): Removed df parameter.
10154 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10155 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10157 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10158 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10159 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10160 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10161 DF_REF_MUST_CLOBBER cases.
10162 (df_ru_bb_local_compute_process_def,
10163 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10164 df_lr_bb_local_compute, df_ur_bb_local_compute,
10165 df_chain_create_bb): Made subreg aware.
10166 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10167 df_lr_bb_local_compute, df_lr_bb_local_compute,
10168 df_chain_create_bb): Cleanup to use proper macros.
10169 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10170 code to fixup bitvectors.
10171 (df_ri_alloc): Cleared lifetime.
10172 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10173 df_create_unused_note): New function.
10174 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10175 REG_DEAD and REG_UNUSED notes as well as register information.
10176 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10177 df_chains_dump): Fixed crash if problem was never run.
10178 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10179 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10180 df_ri_add_problem): Processes flags in uniform manner.
10181 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10182 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10183 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10184 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10185 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10186 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10187 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10188 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10189 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10190 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10191 * see.c (see_initialize_data): Ditto.
10192 * final.c (rest_of_clean_state) Added regstack_completed.
10193 * rtl.h (regstack_completed): Ditto.
10194 * reg-stack.c (regstack_completed): Ditto.
10196 2006-05-19 Mike Stump <mrs@apple.com>
10198 * c-tree.h (default_conversion): Remove.
10199 * c-common.h (default_conversion): Add.
10201 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10203 * tree-vrp.c (valid_value_p): New function.
10204 (adjust_range_with_scev): Fail if the value of bound is not
10207 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10209 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10210 (mips_fallback_frame_state): Use syscall numbers to determine
10211 the appropriate li instruction for the current ABI. Only use
10212 __NR_sigreturn for o32.
10214 2006-05-19 Nicolas Setton <setton@adacore.com>
10216 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10217 * langhooks.c (lhd_dwarf_name): New function.
10218 * langhooks-def.h (lhd_dwarf_name): Declare.
10219 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10220 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10222 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10224 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10226 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10227 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10228 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10229 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10230 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10231 determine the size of Wtype, etc.
10232 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10233 (swfloatfuncs): New variable.
10234 (dwfloatfuncs): Likewise.
10235 (lib2funcs): Remove floating-point conversion functions from
10236 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10237 the set of conversion routines needed. Allow entries to specify
10238 an object name, filename and word size. Update users accordingly.
10239 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10240 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10244 2006-02-08 Roger Sayle <roger@eyesopen.com>
10247 * config/fixtfdi.c: New libgcc source file.
10248 * config/fixunstfdi.c: New source file.
10249 * config/floatditf.c: New source file.
10250 * config/floatunditf.c: New souce file.
10251 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10252 files above instead of config/mips/_tilib.c.
10253 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10255 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10257 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10258 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10260 2006-05-18 Mike Stump <mrs@apple.com>
10262 Fix up vla, vm and [*] sematics.
10268 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10269 (c_vla_unspec_p): Add.
10270 (c_vla_type_p): Add.
10271 * c-decl.c (struct c_scope): Add had_vla_unspec.
10272 (build_array_declarator): Add support for [*].
10273 (grokdeclarator): Likewise.
10274 (grokparms): Likewise.
10275 (get_parm_info): Likewise.
10276 * c-objc-common.c (c_vla_unspec_p): Likewise.
10277 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10278 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10279 typeof when argument is a variably modified type not inside sizeof or alignof.
10280 (c_parser_direct_declarator_inner): Propagate errors.
10281 (c_parser_sizeof_expression): Add support for [*].
10282 (c_parser_parms_declarator): Initialize had_vla_unspec.
10283 (c_parser_parms_list_declarator): Likewise.
10284 * c-typeck.c (c_vla_type_p): Add.
10285 (composite_type): Add support for vla compositing.
10286 (comptypes_internal): Add support for vla compatibility.
10287 (c_expr_sizeof_expr): Evaluate vla arguments.
10288 * tree.c (variably_modified_type_p): Update comment for [*].
10290 2006-05-18 Michael Matz <matz@suse.de>
10293 * config.host: Make assignments to host_xmake_file cumulative.
10294 * config.host (*-darwin*): Test $host, not $target.
10296 2006-05-12 Stuart Hastings <stuart@apple.com>
10298 * config/i386/i386.opt (-mstackrealign): New flag.
10299 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10300 (ix86_handle_cconv_attribute): Emit error when
10301 force_align_arg_pointer attribute collides with too many regparms.
10302 (ix86_function_regparm): Limit regparms when used with
10303 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10304 Support stack-realigning prologue in non-main functions. Emit
10305 warning for nested functions under -mstackrealign, emit error for
10306 nested functions with force_align_arg_pointer attribute.
10307 * doc/extend.texi (force_align_arg_pointer): Document it.
10308 * doc/invoke.texi (-mstackrealign): Document it.
10310 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10312 PR rtl-optimization/27477
10313 * combine.c (try_combine): Don't split a parallel consisting
10314 of two sets into two individual sets if both sets reference
10317 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10319 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10320 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10322 * doc/options.texi (VarExists): Updated.
10324 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10326 * unwind-dw2.c: Add declarations for uw_update_context and
10327 uw_frame_state_for.
10328 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10329 detected, advance frame state and context once to skip over stub.
10331 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10333 PR middle-end/20256
10334 PR middle-end/26435
10335 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10336 Call rewrite_into_loop_closed_ssa only when something changed.
10337 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10338 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10339 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10340 Test for perfect_nest_p here. Fix formating.
10341 (replace_uses_equiv_to_x_with_y): Fix formating.
10342 (stmt_uses_op): Removed.
10343 (can_convert_to_perfect_nest): Removed loopivs parameter.
10344 Complete the test by checking the scalar dependences.
10345 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10348 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10351 From Dan Kegel <dank@kegel.com>:
10352 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10354 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10356 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10357 if the element type is variably modified without recursing.
10359 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10361 PR middle-end/27332
10362 * tree-loop-linear.c (try_interchange_loops): Test for
10363 no data dependences.
10365 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10367 PR tree-optimization/27548
10368 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10369 range of ssa names that appear on abnormal edges.
10370 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10371 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10373 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10375 PR middle-end/27620
10376 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10378 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10380 PR middle-end/27415
10381 * tree.h (OMP_PARALLEL_COMBINED): Define.
10382 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10383 (new_omp_context): Add is_combined_parallel argument.
10384 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10385 new_omp_context caller.
10386 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10387 Adjust gimplify_scan_omp_clauses callers.
10388 (omp_is_private): Issue errors if iteration variable is firstprivate
10389 or reduction in the current context.
10390 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10391 on combined parallel workshare constructs.
10393 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10395 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10396 (gcc-options.o): New rule.
10398 * optc-gen.awk: Protect variables for gcc-options.o with
10399 #ifdef GCC_DRIVER/#endif.
10401 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10403 Fix PR tree-optimization/27373
10404 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10405 (forward_propagate_addr_expr): Update call.
10407 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10409 * doc/options.texi: Move the Negative option.
10411 2006-05-16 Richard Guenther <rguenther@suse.de>
10413 PR tree-optimization/22303
10414 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10416 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10417 ccp_fold did not simplify the statement.
10419 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10422 * Makefile.in (GCC_OBJS): New.
10423 (OBJS-common): Add opts-common.o.
10424 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10425 (cpp$(exeext)): Likewise.
10426 (gcc.o): Also depend on opts.h.
10427 (opts-common.o): New.
10429 * common.opt (gcoff): Add Negative(gdwarf-2).
10430 (gdwarf-2): Add Negative(gstabs).
10431 (gstabs): Add Negative(gstabs+).
10432 (gstabs+): Add Negative(gvms).
10433 (gvms): Add Negative(gxcoff).
10434 (gxcoff): Add Negative(gxcoff+).
10435 (gxcoff+): Add Negative(gcoff).
10436 * config/i386/i386.opt (m32): Add Negative(m64).
10437 (m64): Add Negative(m32).
10439 * doc/options.texi: Document the Negative option.
10441 * gcc.c: Include "opts.h".
10442 (main): Call prune_options after expandargv.
10444 * optc-gen.awk: Generate common declarations for all flag
10445 variables in options.c. Output the neg_index field.
10447 * opts.c (find_opt): Moved to ...
10448 * opts-common.c: Here. New file.
10450 * opts.h (cl_option): Add a neg_index field.
10452 (prune_options): Likewise.
10454 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10456 PR middle-end/27573
10457 * omp-low.c (expand_omp_parallel): Don't assert
10458 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10459 instead search for it.
10462 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10465 2006-05-16 Andreas Schwab <schwab@suse.de>
10467 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10470 2006-05-15 Roger Sayle <roger@eyesopen.com>
10473 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10474 integer constants other than zero are only legitimate on TARGET_64BIT.
10475 <CONST_VECTOR> Only zero vectors are legitimate.
10476 (ix86_cannot_force_const_mem): Integral and vector constants can
10477 always be put in the constant pool.
10479 2006-05-16 DJ Delorie <dj@redhat.com>
10481 * crtstuff.c (__dso_handle): Set section from
10482 TARGET_LBIGCC_SDATA_SECTION if defined.
10483 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10484 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10486 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10489 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10492 2006-05-16 Ben Elliston <bje@au.ibm.com>
10494 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10496 2006-05-15 Per Bothner <per@bothner.com>
10498 * tree.c: (last_annotated_node): Use source_locus typedef.
10499 This permits bootstrapping with --enable-mapped-location.
10501 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10503 PR tree-optimization/26830
10504 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10505 (info_for_ssa_name, current_info_for_ssa_name_age,
10506 blocks_to_update): New variables.
10507 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10508 (clear_ssa_name_info, initialize_flags_in_bb,
10509 mark_block_for_update): New functions.
10510 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10511 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10512 prepare_def_site_for): Use mark_block_for_update.
10513 (mark_def_interesting): Assert that the processed block is marked in
10514 blocks_to_update. Do not take blocks argument.
10515 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10517 (rewrite_update_init_block, rewrite_update_stmt): Only process
10518 blocks with statements to rewrite.
10519 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10520 (update_ssa): Initialize and free blocks_to_update. Do not
10521 clear flags on statements. Do not use blocks bitmap.
10522 * tree.h (SSA_NAME_AUX): Removed.
10523 (struct tree_ssa_name): Removed aux field.
10524 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10526 2006-05-15 Richard Guenther <rguenther@suse.de>
10528 PR tree-optimization/27603
10529 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10530 Do computations in original type.
10532 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10534 * see.c: Code style changes such as redundant paranthesis,
10535 redundant intialization of local variables etc.
10536 (see_main): Declared now as static.
10537 * doc/invoke.texi: Update that -fsee is not enabled by
10540 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10542 * omp-low.c (check_omp_nesting_restrictions): New function.
10543 (scan_omp_1): Call it.
10545 PR middle-end/27416
10546 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10547 construct, return *VAR.
10549 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10551 PR rtl-optimization/27406
10552 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10555 2006-05-14 Roger Sayle <roger@eyesopen.com>
10557 PR rtl-optimization/27538
10558 * combine.c (expand_compound_operation): Call gen_lowpart
10559 before calling simplify_shift_const.
10561 2006-05-14 Roger Sayle <roger@eyesopen.com>
10563 PR rtl-optimization/22563
10564 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10565 a fixed width bitfield, always force the intermediates into psuedos.
10567 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10570 * mkconfig.sh: Use operator = instead of == for test.
10572 2006-05-13 Nick Clifton <nickc@redhat.com>
10574 * dwarf2out.c (dbx_reg_number): Check return value from
10575 LEAF_REG_REMAP and only use it if it is valid.
10576 (multiple_reg_loc_descriptor): Likewise.
10578 2006-05-13 Richard Guenther <rguenther@suse.de>
10580 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10583 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10585 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10586 information attached to non-INSNs such as NOTEs.
10587 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10589 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10591 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10593 * config/s390/s390.md: Adjust comment describing On constraint.
10595 2006-05-11 Jan Hubicka <jh@suse.cz>
10597 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10598 to be output at -O0.
10600 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10602 PR middle-end/27384
10603 * fold-const.c (size_binop): Move sanity check for arguments to
10604 the beginning of the function.
10606 PR middle-end/27488
10607 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10610 2006-05-11 Richard Guenther <rguenther@suse.de>
10612 PR middle-end/27529
10613 * fold-const.c (fold_unary): Handle intermediate conversion
10614 to a pointer type like intermediate conversion to an integer
10615 type in folding of (T1)(T2)var to var.
10616 Match the code to the comment in the final conversion for
10617 (T1)(T2)var to (T1)var regarding to type precision. Rather
10618 than disallow T1 being of pointer type, assert that both T1
10619 and var are of pointer type or not. Make sure not to fall
10620 over the frontends lazyness wrt array to pointer decay though.
10622 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10624 * arm.c (arm_struct_value_rtx): Delete.
10625 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10626 (arm_init_cumulative_args): Always initialize nregs to zero.
10628 2006-05-10 Richard Guenther <rguenther@suse.de>
10630 PR tree-optimization/27532
10631 * tree-object-size.c (plus_expr_object_size): Fix typo.
10633 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10636 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10637 ashrdi_const, ashrdi3): Use a scratch register.
10639 2006-05-10 Richard Guenther <rguenther@suse.de>
10641 PR tree-optimization/27302
10642 * fold-const.c (operand_equal_p): For two comparisons,
10643 try comparison of one comparison code swapped if that yields
10646 2006-05-10 Ben Elliston <bje@au.ibm.com>
10648 * tree-pretty-print.c (pretty_print_string): No need to handle
10649 '\0' as a special character.
10651 * tree.h: Include "hashtab.h".
10652 (iterative_hash_expr): Use hashval_t in its prototype.
10653 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10655 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10658 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10659 (hppa*64*-*-hpux11*): Ditto.
10660 (hppa[12]*-*-hpux11*): Ditto.
10662 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10665 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10667 2006-05-09 Michael Matz <matz@suse.de>
10669 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10670 host_extra_gcc_objs and host_xmake_file.
10671 (<*-*-linux*>): Don't overwrite host_xmake_file.
10672 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10673 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10674 (host_detect_local_cpu): Declare.
10675 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10676 * config/i386/i386.c (override_options): Handle -mtune=native
10678 * config/i386/x-i386: New file.
10679 * config/i386/driver-i386.c: New file.
10680 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10683 2006-05-09 Dirk Mueller <dmueller@suse.de>
10684 Richard Guenther <rguenther@suse.de>
10686 PR middle-end/27498
10687 * fold-const.c (fold_read_from_constant_string): Relax check
10688 for matching types to matching modes.
10690 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10692 PR rtl-optimization/27335
10693 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10696 2006-05-08 Chao-ying Fu <fu@mips.com>
10697 Richard Sandiford <richard@codesourcery.com>
10699 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10700 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10701 * config/mips/mips.md (UNSPEC_SCC): New constant.
10702 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10703 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10704 (mips_emit_compare): Use it.
10705 (mips_expand_vcondv2sf): New function.
10707 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10709 Fix PR tree-optimization/27093
10710 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10711 renaming when they become not-used_alone.
10713 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10715 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10716 relocation and relocation stubs.
10718 2006-05-08 Eric Christopher <echristo@apple.com>
10720 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10723 2006-05-08 Jan Hubicka <jh@suse.cz>
10725 PR middle-end/24561
10726 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10727 unused static functions are needed.
10729 2006-05-08 Roger Sayle <roger@eyesopen.com>
10732 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10733 of a reg_equiv_constant if the result is a legitimate constant.
10735 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10738 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10739 standard 80387 constants, raise the cost to prevent
10740 compress_float_constant() to generate load from memory.
10742 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10744 * config/arm/constraints.md (c): Fix a typo.
10746 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10749 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10752 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10754 (_mm_mwait): Likewise.
10756 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10758 (sse3_monitor): Make it 32bit only.
10759 (sse3_monitor64): New. 64bit monitor.
10761 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10764 * config/i386/i386.c (classify_argument): Skip fields with invalid
10767 2006-05-07 Richard Guenther <rguenther@suse.de>
10769 PR tree-optimization/27409
10770 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10771 Do not try to find zero-sized subvars.
10773 2006-05-07 Richard Guenther <rguenther@suse.de>
10775 PR tree-optimization/27136
10776 * tree-ssa-loop-niter.c (get_val_for): Correct function
10777 comment, assert requirements.
10778 (loop_niter_by_eval): Stop processing if the iterated
10779 value did not simplify.
10781 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10783 * opts.c (flag_see): remove its setting at -O3.
10785 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10787 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10788 * arm/constraints.md: New file.
10789 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10790 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10791 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10792 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10793 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10794 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10795 * arm.md: Include constraints.md.
10796 (thumb_movsi_insn): Use satisfies_constraint_J.
10797 (movhi, movqi): Use satisfies_constraint_I.
10799 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10801 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10802 for atmeg a645 device.
10804 2006-05-06 Richard Guenther <rguenther@suse.de>
10806 PR tree-optimization/27151
10807 * tree-vect-transform.c (vectorizable_condition): Punt on
10808 values that have a different type than the condition.
10810 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10813 * c-parser.c (c_parser_cast_expression): Only insert casts into
10814 hash table if pointer.
10815 * function.c (used_types_insert_helper): Rename from
10817 (used_types_insert): Call used_types_insert_helper.
10818 * function.h (used_types_insert): Accept only one argument.
10820 2006-05-05 David Edelsohn <edesohn@gnu.org>
10822 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10823 scratch with output modifier.
10825 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10828 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10829 with output modifier.
10831 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10834 * config/mips/mips.c (mips_symbolic_address_p): Return true
10835 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10836 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10838 2006-05-04 Richard Guenther <rguenther@suse.de>
10840 PR tree-optimization/14287
10841 PR tree-optimization/14844
10842 PR tree-optimization/19792
10843 PR tree-optimization/21608
10844 PR tree-optimization/27090
10845 * tree-ssa-pre.c (try_combine_conversion): New function.
10846 (compute_avail): After constructing the value-handle
10847 expression, use try_combine_conversion to combine NOP_EXPRs
10848 with previous value-handle expressions and use the result if it
10851 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10853 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10855 2006-05-04 Jan Hubicka <jh@suse.cz>
10857 PR middle-end/25962
10858 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10860 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10862 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10863 that this only matches CONST_INTs. All users changed to VOIDmode
10866 * config/bfin/bfin.c: Include "optabs.h".
10867 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10869 (enum bfin_builtins): Add a number of fractional and vector builtins.
10870 (bfin_init_builtins): Likewise.
10871 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10872 (safe_vector_operand, bfin_expand_binop_builtin,
10873 bfin_expand_unop_builtin): New functions.
10874 (bfin_expand_builtin): Handle the new builtins.
10875 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10878 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10881 * Makefile.in (OBJS-common): Add see.o.
10882 (see.o): Add dependencies.
10883 * common.opt (fsee): New flag for the see optimization was added.
10884 * opts.c (flag_see): Initialized.
10885 * passes.c (init_optimization_passes, pass_see): New pass.
10886 * rtl.h (see_main): Declaration as extern.
10887 * timevar.def (TV_SEE): New.
10888 * tree-pass.h (pass_see): Declaration as extern.
10889 * invoke.texi (-fsee): Document.
10890 * recog.c (validate_simplify_insn): New function.
10891 * recog.h (validate_simplify_insn): Declaration as extern.
10892 * df-problems.c (df_chain_dump): Check for NULL.
10894 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10895 Daniel Berlin <dberlin@dberlin.org>
10897 * cfgrtl.c (insert_insn_bb_end_new): New function.
10898 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10900 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10902 * df.h (struct web_entry): Moved from web.c.
10903 (union_defs): Declaration as extern.
10904 (unionfind_root): Likewise.
10905 (unionfind_union): Likewise.
10906 * web.c (struct web_entry): Moved to df.h.
10907 (unionfind_root): Remove static declaration.
10908 (unionfind_union): Likewise.
10909 (union_defs): Likewise and generalize to use callback function.
10910 (web_main): Update arguments for union_defs function call.
10912 2006-05-04 Richard Guenther <rguenther@suse.de>
10914 PR tree-optimization/26447
10915 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10916 produce SSA_NAME copies before the store stmt to avoid
10917 breaking exception handling.
10919 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10921 PR middle-end/27388
10922 * gimplify.c (omp_is_private): If var is shared in some outer context,
10923 return false instead of true. Stop searching on parallel context
10926 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10929 * coverage.c: Use get_gcov_unsigned_t() instead of
10930 unsigned_type_node all over.
10932 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10934 PR tree-optimization/27381
10935 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10936 maintain the same immediate_use links.
10937 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10938 node rather than segfaulting.
10940 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10943 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10944 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10945 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10947 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10949 Fix PR tree-optimization/26626
10950 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10952 * tree-ssa-operands.c (access_can_touch_variable): Allow
10953 typecasting through union pointers.
10955 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10958 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10959 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10960 to find if var will be a global variable even in the nested context.
10961 (omp_copy_decl): Only check for global variable at the end, it might
10962 be overridden in outer contexts.
10963 (scan_sharing_clauses): For global variables don't create a field.
10964 (lower_rec_input_clauses): Do nothing for global shared variables.
10965 Emit a barrier at the end of ILIST if there were any decls in both
10966 firstprivate and lastprivate clauses.
10967 (lower_send_clauses): Do nothing for global variables except for
10970 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10972 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10973 of the correct signedness is returned.
10975 2006-05-02 Jeff Law <law@redhat.com>
10977 PR tree-optimization/27364
10978 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10979 multiply expressions.
10981 2006-05-02 Tom Tromey <tromey@redhat.com>
10983 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10985 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10988 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10989 -mthumb -fPIC are used.
10991 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10992 Joshua Kinard <kumba@gentoo.org>
10995 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10996 with 64-bit pointers.
10998 2006-05-02 Paul Brook <paul@codesourcery.com>
11000 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11002 (create_fix_barrier): Check that a suitable barrier location is
11004 (arm_reorg): Include ftmp->address in allowable range of addresses.
11006 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11009 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11012 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11014 PR middle-end/27337
11015 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11016 around RESULT_DECL for result passed by reference.
11017 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11018 * omp-low.c (use_pointer_for_field): Don't look at
11019 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11020 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11021 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11022 time or var for passing by reference for
11023 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11024 TREE_ADDRESSABLE variables when passing by reference.
11026 * omp-low.c (dump_omp_region): Fix output formatting.
11028 PR middle-end/27328
11029 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11030 (expand_omp_parallel): Likewise.
11031 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11033 PR middle-end/27325
11034 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11035 on statement list containing also constructors and destructors.
11036 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11038 PR middle-end/27310
11039 * except.c (duplicate_eh_regions): Fix clearing of
11040 cfun->eh->region_array entries.
11042 2006-05-01 DJ Delorie <dj@redhat.com>
11044 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11046 (gcc_cv_objdump): Likewise.
11047 * configure: Regenerated.
11049 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11052 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11053 templates for case 3 and 4.
11055 2006-05-01 DJ Delorie <dj@redhat.com>
11057 * vec.c: Include bconfig.h when appropriate.
11058 * Makefile.in (build/vec.o): Adjust dependencies.
11059 * mkconfig.sh: Make sure config.h isn't used for build machine
11062 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11064 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11066 (mark_phi_for_rewrite): New function.
11067 (insert_phi_nodes_for, mark_use_interesting): Call
11068 mark_phi_for_rewrite.
11069 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11070 (update_ssa): Initialize and free phis_to_rewrite.
11072 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11074 PR rtl-optimization/27291
11075 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11076 folded to a constant.
11078 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11080 PR tree-optimization/27283
11081 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11082 not whole # of iteration descriptions.
11083 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11084 uses abnormal ssa name.
11085 (niter_for_single_dom_exit): Ditto.
11086 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11087 return just the number of iterations.
11089 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11091 PR tree-optimization/27144
11092 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11093 (record_estimate): Only record constant upper bound.
11094 (infer_loop_bounds_from_undefined): Call
11095 compute_estimated_nb_iterations just once.
11096 (proved_non_wrapping_p): Renamed to ...
11097 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11098 (convert_step_widening, scev_probably_wraps_p): Call
11099 n_of_executions_at_most instead of proved_non_wrapping_p.
11100 (substitute_in_loop_info): Do not replace values in bounds.
11101 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11104 2006-05-01 Richard Henderson <rth@redhat.com>
11107 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11108 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11111 2006-05-01 Roger Sayle <roger@eyesopen.com>
11113 * c-typeck.c (parser_build_binary_op): Don't call the function
11114 unsigned_conversion_warning to spot operand/result type overflow.
11115 (build_binary_op): Instead, call convert_and_check instead of
11116 convert to report the problem when the operands are promoted.
11117 * c-common.c (unsigned_conversion_warning): Make static.
11118 * c-common.h (unsigned_conversion_warning): Delete prototype.
11120 2006-05-01 Richard Guenther <rguenther@suse.de>
11122 PR tree-optimization/26726
11123 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11125 (find_interesting_uses_address): ... we work around here
11126 by folding INDIRECT_REFs in the substituted base.
11128 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11130 * omp-low.c (dump_omp_region): Add newlines.
11132 2006-04-30 Roger Sayle <roger@eyesopen.com>
11134 * common.opt (Woverflow): New command line option.
11135 * c-common.c (constant_expression_warning): Check warn_overflow.
11136 (overflow_waring): Pass OPT_Woverflow to warning.
11137 (unsigned_conversion_warning): Likewise.
11138 (convert_and_check): Likewise.
11139 * doc/invoke.texi: Document new command line option.
11141 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11143 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11144 TARGET_NO_FP_IN_TOC for section anchors.
11145 (optimization_options): Enable section anchors for all
11146 non-"Objective" languages.
11148 2006-04-28 Eric Christopher <echristo@apple.com>
11150 * config/darwin-c.c (darwin_ms_struct): Move this
11151 (darwin_set_default_type_attributes): and this...
11152 * config/darwin.c: ... here.
11153 * config/darwin.h (darwin_ms_struct): Declare.
11155 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11159 2006-04-28 Roger Sayle <roger@eyesopen.com>
11162 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11163 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11164 an unsigned HOST_WIDE_INT.
11165 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11167 (really_start_incremental_init): No need to call convert because
11168 bitsize_zero_node is already of type bitsizetype.
11169 (push_init_level): Extract the value of constructor_index as an
11170 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11171 (process_init_element): Likewise.
11173 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11175 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11176 value before passing to make_relative_prefix.
11178 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11180 PR middle-end/27260
11181 * builtins.c (expand_builtin_memset): Expand val in original mode.
11183 2006-04-27 Eric Christopher <echristo@apple.com>
11185 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11186 with #ifndef/#endif.
11187 * config/darwin-c.c (darwin_ms_struct): New.
11188 (darwin_pragma_ms_struct): Ditto.
11189 (darwin_set_default_type_attributes): Ditto.
11190 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11191 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11192 Register ms_struct pragma.
11193 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11194 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11195 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11196 darwin_set_default_type_attributes if TARGET_MACHO.
11198 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11200 PR tree-optimization/26854
11201 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11202 * doc/tree-ssa.texi: Update immuse iterator documentation.
11203 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11205 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11206 first_safe_imm_use, next_safe_imm_use): Remove.
11207 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11208 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11209 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11210 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11211 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11212 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11213 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11214 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11215 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11216 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11217 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11218 (perfect_nestify): Use new iterator.
11219 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11221 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11222 (next_imm_name): New field in struct immediate_use_iterator_d.
11223 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11224 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11225 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11226 * tree-cfg.c (replace_uses_by): Use new iterator.
11227 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11228 * tree-ssa-operands.c (correct_use_link): Remove.
11229 (finalize_ssa_use_ops): No longer call correct_use_link.
11231 2006-04-27 Stuart Hastings <stuart@apple.com>
11233 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11234 * config/t-darwin (crt3.o): Use it.
11235 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11236 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11237 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11238 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11239 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11242 2006-04-27 Roger Sayle <roger@eyesopen.com>
11244 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11245 size, force the intermediate into a new pseudo rather instead of
11246 performing both a bitwise AND and a bitwise IOR in memory.
11248 2006-04-27 Richard Guenther <rguenther@suse.de>
11250 PR rtl-optimization/26685
11251 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11252 this one "max-flow-memory-locations".
11254 2006-04-27 Richard Guenther <rguenther@suse.de>
11256 PR tree-optimization/25148
11257 * tree-vrp.c (compare_values): Remove code dealing with
11258 comparisons against type min/max value. Honour overflow
11259 and negative constants in code dealing with comparisons
11260 of plus and minus expressions.
11261 (value_inside_range): Use fold_binary with LE_EXPR and
11262 GE_EXPR rather than compare_values.
11264 2006-04-27 Dirk Mueller <dmueller@suse.de>
11266 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11269 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11271 * basic-block.h (safe_insert_insn_on_edge): Removed.
11272 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11274 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11275 Paolo Bonzini <bonzini@gnu.org>
11277 PR middle-end/27282
11278 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11279 (simplify_and_const_int): Same.
11281 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11283 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11285 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11288 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11289 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11290 cgraph_global_info_ready.
11292 PR middle-end/26913
11293 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11296 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11297 either decl or init is error_mark_node.
11299 PR middle-end/25989
11300 * tree-flow.h (struct omp_region): Add sched_kind.
11301 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11302 instead of extracting omp for data.
11303 (expand_omp_for): Save extracted sched_kind.
11305 2006-04-25 Roger Sayle <roger@eyesopen.com>
11307 * expmed.c (store_bit_field): Also check whether the bitsize is
11308 valid for the machine's "insv" instruction before moving the
11309 target into a pseudo for use with the insv.
11310 * config/i386/predicates.md (const8_operand): New predicate.
11311 * config/i386/i386.md (extv, extzv, insv): Use the new
11312 const8_operand predicate where appropriate.
11314 2006-04-25 DJ Delorie <dj@redhat.com>
11316 * doc/install.texi (Specific): Clarify that this is not a list of
11317 supported hosts or targets.
11319 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11321 PR rtl-optimization/26725
11322 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11323 block's BB_DIRTY flag.
11325 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11327 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11330 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11331 to print an integer.
11333 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11335 * varasm.c (align_variable): New function.
11336 (get_block_for_decl): Apply align_variable to DECL before
11337 calculating section information.
11338 (assemble_variable): Split out alignment computation.
11340 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11342 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11345 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11347 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11348 MODE_PARTIAL_INT mode.
11349 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11350 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11352 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11353 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11355 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11357 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11359 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11360 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11361 MACFLAG_IH): Likewise.
11362 (movstricthi_1): Renamed from "*movstricthi".
11363 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11364 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11365 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11366 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11367 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11368 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11369 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11370 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11371 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11372 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11373 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11374 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11375 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11376 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11377 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11379 * doc/rtl.texi (ss_ashift): Improve wording.
11381 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11383 * dwarf2out.c (verify_marks_clear): New.
11384 (prune_unused_types): Call verify_marks_clear initially, not
11387 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11389 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11390 * doc/rtl.texi: Document them.
11391 * simplify-rtx.c (simplify_unary_operation,
11392 simplify_binary_operation_1): Don't abort when we see them.
11394 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11397 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11398 * configure.ac: Completely disregard languages that are not
11400 * configure: Regenerated.
11402 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11403 Richard Guenther <rguenther@suse.de>
11405 PR tree-optimization/27236
11406 * tree-inline.c (copy_body_r): Make sure to copy
11407 TREE_THIS_VOLATILE flag.
11409 2006-04-24 Richard Guenther <rguenther@suse.de>
11411 PR middle-end/26869
11412 * tree-complex.c (update_parameter_components): Don't handle
11413 unused parameters which have no default def.
11415 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11416 Richard Guenther <rguenther@suse.de>
11418 PR tree-optimization/27218
11419 * tree-inline.c (expand_call_inline): Strip useless type
11420 conversions for the return slot address.
11422 2006-04-24 Richard Guenther <rguenther@suse.de>
11424 * cfgloop.h (struct loops): Remove unused field array. Reorder
11426 (LOOP_PREFETCH): Remove.
11428 2006-04-24 Richard Guenther <rguenther@suse.de>
11430 PR tree-optimization/22525
11431 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11432 variable, adjust types of generated expressions.
11434 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11436 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11437 (tree-vect-patterns.o): Likewise.
11438 (jump.o): Likewise.
11439 (cselib.o): Likewise.
11440 (loop-doloop.o): Likewise.
11441 (regclass.o): Likewise.
11442 (reload1.o): Likewise.
11443 (explow.o): Replace target.h with $(TARGET_H).
11444 (ipa-prop.o): Likewise.
11445 (ipa-cp.o): Likewise.
11446 (ipa-inline.o): Likewise.
11447 (reorg.o): Likewise.
11448 (reg-stack.o): Likewise.
11450 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11452 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11454 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11456 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11458 * configure.ac: Completely disregard languages that are not
11460 * configure: Regenerated.
11463 * c-common.h (c_build_bitfield_integer_type): Declare.
11464 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11465 * c-common.c (c_build_bitfield_integer_type): ... here.
11467 2006-04-23 Roger Sayle <roger@eyesopen.com>
11470 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11471 a SImode SUBREG of a floating point register after no_new_pseudos.
11473 2006-04-23 Roger Sayle <roger@eyesopen.com>
11475 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11476 identify potentially eliminable registers to additionally catch
11477 VIRTUAL_INCOMING_ARGS_REGNUM.
11478 (addsi3): Update the conditions on when to use addsi_small_int.
11480 2006-04-23 Roger Sayle <roger@eyesopen.com>
11483 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11484 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11485 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11487 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11489 * fold-const.c (range_predecessor): Use operand_equal_p
11490 as the predicate for equality.
11491 (range_successor): Likewise.
11493 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11496 * config/soft-fp/op-common.h: Fix a typo.
11498 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11500 PR libmudflap/26864
11501 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11502 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11504 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11506 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11508 * doc/tm.texi: Fix a typo.
11510 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11512 * dwarf2out.c (struct die_struct): Document that die_sib makes
11513 a circular linked list.
11514 (FOR_EACH_CHILD): New.
11515 (reverse_die_lists): Delete.
11516 (reverse_all_dies): Delete.
11517 (add_dwarf_attr): Correct documentation.
11518 (remove_child_with_prev): New.
11519 (remove_child_TAG): Update for change to die_struct, use
11520 remove_child_with_prev.
11521 (add_child_die): Update for change to die_struct.
11522 (splice_child_die): Use remove_child_with_prev and add_child_die.
11523 (print_die): Use FOR_EACH_CHILD.
11524 (die_checksum): Likewise.
11525 (assign_symbol_names): Likewise.
11526 (output_location_lists): Likewise.
11527 (build_abbrev_table): Likewise.
11528 (calc_die_sizes): Likewise.
11529 (mark_dies): Likewise.
11530 (unmark_dies): Likewise.
11531 (unmark_all_dies): Likewise.
11532 (output_die): Likewise.
11533 (prune_unused_types_mark): Likewise.
11534 (prune_unused_types_walk): Likewise.
11535 (same_die_p): Update for change to die_struct.
11536 (break_out_includes): Likewise.
11537 (prune_unused_types_prune): Likewise.
11538 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11539 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11540 it's already clear.
11541 (dwarf2out_finish): Don't call reverse_all_dies.
11543 2006-04-21 Eric Christopher <echristo@apple.com>
11545 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11546 in comments and function names.
11548 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11551 * c-typeck.c (digest_init): Robustify.
11553 * c-typeck.c (pop_init_level): Simplify.
11555 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11557 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11559 2006-04-21 Paul Brook <paul@codesourcery.com>
11561 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11562 hardware floating point.
11564 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11566 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11569 2006-04-21 Nick Clifton <nickc@redhat.com>
11571 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11574 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11577 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11578 C++ lang type in traceback table for Objective-C++.
11580 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11582 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11584 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11586 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11589 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11590 were errors. Remove check for erroneous objects.
11592 2006-04-20 Jeff Law <law@redhat.com>
11594 PR tree-optimization/26854
11595 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11596 checking for zero or one use.
11597 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11598 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11599 * tree-ssa-reassoc.c (negate_value): Similarly.
11600 (reassociate_bb): Similarly.
11602 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11604 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11605 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11606 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11608 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11610 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11611 fp regs if the last fp arg doesn't fit in regs.
11613 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11616 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11617 that the last insn has the REG_INC note.
11619 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11620 Nathan Sidwell <nathan@codesourcery.com>
11623 * stor-layout.c (update_alignment_for_field): Do not align
11625 (place_union_field): Place union field at the start of the union.
11626 (place_field): Move ERROR_MARK check later, and use the current
11627 allocation position to maintain monotonicity.
11629 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11631 * dominance.c: Include timevar.h.
11632 (calculate_dominance_info): Use TV_DOMINANCE.
11633 * timevar.def (TV_DOMINANCE): New timevar.
11634 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11636 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11638 PR rtl-optimization/14261
11639 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11640 move would be an INSV insn.
11641 (noce_process_if_block): Don't optimize if the destination is a
11642 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11644 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11646 * config/s390/s390.md: Add comments with the instructions emitted
11647 by an insn pattern if macros are used.
11649 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11651 PR rtl-optimization/26026
11652 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11653 is a known power of two shifted left a variable amount.
11655 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11657 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11658 to hash table twice when the debug_str section has SECTION_MERGE.
11660 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11662 * config/soft-fp: New directory. From glibc.
11663 * config/soft-fp/t-softfp: New.
11664 * config/soft-fp/README: New.
11665 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11666 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11667 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11668 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11669 * config.gcc: Use rs6000/t-fprules-fpbit or
11670 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11672 * config/rs6000/sfp-machine.h: New. Based on glibc.
11673 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11675 * config/rs6000/t-fprules: Remove fp-bit rules.
11676 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11677 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11678 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11679 (softfp_wrap_start, softfp_wrap_end): New.
11681 2006-04-18 DJ Delorie <dj@redhat.com>
11683 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11685 2006-04-18 Devang Patel <dpatel@apple.com>
11687 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11689 2006-04-18 Nick Clifton <nickc@redhat.com>
11691 * config/sh/t-symbian: Add rule to build sh-c.o
11692 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11693 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11694 (sh_symbian_encode_section_info): Likewise.
11696 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11698 * builtins.c (expand_builtin_strcmp): Cover label definition of
11699 do_libcall with HAVE_cmpstrnsi.
11701 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11703 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11705 * function.h (temp_slot_p): New.
11706 (function): Change the type of x_used_temp_slots to
11707 VEC(temp_slot_p,gc) *.
11709 2006-04-18 Nick Clifton <nickc@redhat.com>
11711 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11712 flag_strength_reduce.
11714 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11716 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11720 Partial revert of revision 112637
11721 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11722 Dale Johannesen <dalej@apple.com>
11725 * regclass.c (struct reg_pref): Update documentation.
11726 (regclass): Set prefclass to NO_REGS if memory is the best option.
11727 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11729 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11731 PR tree-optimization/26821
11732 * tree-ssa-math-opts.c (get_constant_one): New.
11733 (insert_reciprocals): Use it.
11735 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11737 * dwarf2out.c (free_AT): Delete.
11738 (remove_AT): Update string ref counts.
11739 (remove_child_TAG): Don't call free_die.
11740 (free_die): Delete.
11741 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11742 or DW_TAG_GNU_EINCL.
11743 (prune_unused_types_walk_attribs): Reset string refcounts.
11744 (prune_unused_types_update_strings): New.
11745 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11746 call free_die. Do call prune_unused_types_update_strings.
11747 (prune_unused_types): Empty debug_str_hash.
11749 2006-04-17 Roger Sayle <roger@eyesopen.com>
11751 * expr.c (expand_assignment): Optimize away no-op moves where the
11752 source and destination are equal and have no side-effects.
11754 2006-04-17 Richard Guenther <rguenther@suse.de>
11757 * reload.c (push_reload): Guard calls to get_secondary_mem
11758 for memory subregs.
11760 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11762 * alias.c (reg_base_value, old_reg_base_value): Change the
11763 type to VEC(rtx,gc) *.
11764 (REG_BASE_VALUE, find_base_value, record_set,
11765 init_alias_analysis): Use VEC instead of VARRAY.
11767 * alias.c (alias_sets): Change the type to
11768 VEC(alias_set_entry,gc) *.
11769 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11770 VEC instead of VARRAY.
11771 (last_alias_set): Remove.
11773 * cgraph.h (cgraph_edge_p): New.
11774 Update the prototype of cgraph_function_versioning.
11775 * cgraphunit.c (cgraph_copy_node_for_versioning,
11776 cgraph_function_versioning): Use VEC instead of VARRAY.
11777 * ipa-cp.c (ipcp_insert_stage): Likewise.
11779 2006-04-16 Roger Sayle <roger@eyesopen.com>
11782 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11783 "A op B" or "A op C", we may need to convert A to the type of B and C.
11785 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11787 * target.h (struct gcc_target): Add mode_rep_extended.
11788 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11789 (init_num_sign_bit_copies_in_rep): Initialize it using
11791 (truncate_to_mode): Use it.
11792 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11793 * targhooks.h (default_mode_rep_extended): Declare it.
11794 * targhooks.c (default_mode_rep_extended): Define it.
11795 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11796 default_mode_rep_extended.
11797 (TARGET_INITIALIZER): Include it.
11798 * doc/tm.texi (Misc): Document it.
11799 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11800 (mips_truncated_to_mode): New function.
11802 2006-04-16 Roger Sayle <roger@eyesopen.com>
11804 PR middle-end/25474
11805 * expr.c (compress_float_constant): Copy the narrow constant into
11806 a new pseudo before extending it to its final width.
11808 2006-04-16 Roger Sayle <roger@eyesopen.com>
11809 Andrew Pinski <pinskia@gcc.gnu.org>
11810 Dale Johannesen <dalej@apple.com>
11813 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11814 special case code to implement V8HImode and V16QImode with SSE2.
11816 2006-04-15 Roger Sayle <roger@eyesopen.com>
11818 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11819 trees are constructed with a suitable tree type.
11821 2006-04-15 Roger Sayle <roger@eyesopen.com>
11823 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11824 (integer_onep): Likewise.
11825 (integer_all_onesp): Likewise.
11826 (integer_pow2p): Likewise.
11827 (integer_nonzerop): Likewise.
11828 (real_zerop): Likewise.
11829 (real_onep): Likewise.
11830 (real_twop): Likewise.
11831 (real_minus_onep): Likewise.
11832 (int_size_in_bytes): Likewise.
11833 (host_integerp): Likewise.
11835 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11837 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11838 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11839 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11841 * tree-ssa-structalias.h (alias_info): Remove num_references.
11843 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11845 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11846 (output_bvb patterns): Likewise.
11847 * pa.c (output_bb): Use 'bb' insn for long branch case.
11848 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11849 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11850 1. Correct length operand for alternatives 1 and 2.
11851 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11852 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11854 2006-04-14 Roger Sayle <roger@eyesopen.com>
11856 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11857 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11858 were accidentally reverted by r112959.
11860 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11862 PR middle-end/26823
11863 * except.h (eh_region_outermost): New prototype.
11864 * except.c (eh_region_outermost): New function.
11865 * tree-cfg.c (find_outermost_region_in_block): Use it.
11867 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11869 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11871 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11872 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11873 (init_reload, reload): Use VEC instead of VARRAY.
11874 * reload.h: Update the prototype for
11875 reg_equiv_memory_loc_varray.
11877 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11878 Eric Botcazou <ebotcazou@libertysurf.fr>
11880 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11881 register save area.
11883 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11885 PR middle-end/27134
11886 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11887 to expand fallback builtin function call.
11889 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11891 PR middle-end/27095
11892 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11893 and emit libcall here in case the builtin fails.
11894 (expand_builtin_strcmp): Always emit the libcall here on failure.
11896 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11898 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11899 * flow.c (reg_n_info): Change the type to
11900 VEC(reg_info_p,heap) *.
11901 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11903 * regs.h (reg_info_p): New.
11904 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11905 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11906 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11909 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11911 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11913 * params.h (MAX_SCHED_READY_INSNS): New macro.
11914 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11915 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11916 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11917 the ready list for 1 cycle during the first scheduling pass.
11918 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11920 2006-04-13 Richard Henderson <rth@redhat.com>
11923 * gimple-low.c (lower_omp_directive): Remove dead code.
11924 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11925 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11926 * omp-low.c (struct omp_region): Move to tree-flow.h.
11927 (root_omp_region): Export.
11928 (omp_regions, lookup_omp_region): Remove.
11929 (determine_parallel_type): Update for struct omp_region changes.
11930 (dump_omp_region): Dump regions with block numbers.
11931 (new_omp_region): Take type and block instead of stmt; malloc
11933 (free_omp_region_1, free_omp_regions): New.
11934 (expand_parallel_call): Take entry_stmt as argument; update for
11935 changes to omp_region.
11936 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11937 (remove_exit_barriers): New.
11938 (expand_omp_parallel): Update for struct omp_region changes.
11939 (expand_omp_synch): Likewise.
11940 (expand_omp): Likewise.
11941 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11942 (expand_omp_for_static_chunk): Likewise.
11943 (expand_omp_for): Likewise.
11944 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11945 (expand_omp_sections): Similarly, with GOMP_sections_end.
11946 (expand_omp_single): New.
11947 (build_omp_regions_1): Update for OMP_CONTINUE.
11948 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11949 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11950 OMP_SECTIONS_SECTIONS.
11951 (lower_omp_single_simple): Don't emit barrier here.
11952 (lower_omp_single_copy): Likewise.
11953 (lower_omp_single): Fix bindings, and lower to straightline now.
11954 (lower_omp_master, lower_omp_ordered): Likewise.
11955 (lower_omp_critical): Likewise.
11956 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11957 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11958 omp edges, free it afterward.
11959 (make_omp_sections_edges): Remove.
11960 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11961 (move_stmt_r): Handle OMP_CONTINUE.
11962 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11963 statement pointers to basic blocks. Add type member.
11964 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11965 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11966 * tree-inline.c (estimate_num_insns_1): Likewise.
11967 * tree-pretty-print.c (dump_generic_node): Likewise.
11968 * tree-ssa-operands.c (get_expr_operands): Likewise.
11969 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11970 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11971 (OMP_CONTINUE): New.
11972 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11973 (OMP_SECTIONS_SECTIONS): Remove.
11974 (OMP_SECTION_LAST): New.
11975 (OMP_RETURN_NOWAIT): New.
11977 2006-04-13 Roger Sayle <roger@eyesopen.com>
11979 * fold-const.c (native_encode_vector, native_interpret_real):
11980 Correct obvious mistakes in the previous check-in.
11982 2006-04-13 Roger Sayle <roger@eyesopen.com>
11984 * fold-const.c (native_encode_expr): New function to encode
11985 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11986 or VECTOR_CST into a specified buffer.
11987 (native_encode_int): New function.
11988 (native_encode_real): New function.
11989 (native_encode_complex): New function.
11990 (native_encode_vector): New function.
11991 (native_interpret_expr): Inverse of native_encode_expr to convert
11992 a target representation into an INTEGER_CST, REAL_CST etc...
11993 (native_interpret_int): New function.
11994 (native_interpret_real): New function.
11995 (native_interpret_complex): New function.
11996 (native_interpret_vector): New function.
11997 (fold_view_convert_expr): New function to constant fold/evaluate
11998 a VIEW_CONVERT_EXPR of a suitable constant expression.
11999 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12000 Change call of build1 to fold_build1 when constructing a
12003 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12004 Ulrich Weigand <uweigand@de.ibm.com>
12007 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12010 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12013 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12014 optimize to lo_sum for DFmode if !TARGET_FPRS.
12016 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12018 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12019 delete_alias_info, compute_flow_sensitive_aliasing,
12020 group_aliases): Use VEC instead of VARRAY.
12021 * tree-ssa-structalias.c (update_alias_info): Likewise.
12022 * tree-ssa-structalias.h (alias_info): Change the type of
12023 processed_ptrs to VEC(tree,heap) *.
12025 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12028 * config/sh/lib1funcs.h: New file, broken out of:
12029 * config/sh/lib1funcs.asm.
12030 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12032 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12033 * config/sh/lib1funcs-Os-4-200.asm: New file.
12034 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12035 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12036 (EXTRA_MULTILIB_PARTS): Include it.
12037 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12038 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12039 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12040 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12043 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12045 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12046 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12047 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12049 * tree-ssa-live.h: Include vecprim.h.
12050 (tree_partition_associator_d): Change the type of
12051 first_partition to VEC(int,heap) *.
12052 (tpa_first_partition): Use VEC instead of VARRAY.
12054 * Makefile.in (GTFILES): Move functions.h after tree.h.
12055 * function.c (reset_block_changes, record_block_change,
12056 check_block_change, free_block_changes): Use VEC instead of
12058 * function.h (function): Change the type of
12059 ib_boundaries_block to VEC(tree,gc) *.
12060 * tree-inline.c (copy_cfg_body): Initialize
12061 ib_boundaries_block to NULL instead of (varray_type) 0.
12063 2006-04-12 Roger Sayle <roger@eyesopen.com>
12065 * expr.c (emit_group_store): Correct operand order in call to
12066 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12067 a SUBREG_BYTE of zero.
12069 2006-04-12 Richard Guenther <rguenther@suse.de>
12071 * profile.c (compute_branch_probabilities): Remove code
12072 encapsulated in !ir_type (), which are remanents of the
12073 removed RTL profiling code.
12074 * rtl-profile.c: Remove.
12076 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12078 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12079 magic NULL_RTX comment.
12080 (function_arg): Store entire fp arg to mem if any part should go
12082 (rs6000_arg_partial_bytes): Adjust for above change.
12084 2006-04-11 Roger Sayle <roger@eyesopen.com>
12086 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12087 if it hasn't been initialized by dwarf2out_init.
12089 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12091 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12092 symbolic constants in branch patterns.
12094 2006-04-11 Roger Sayle <roger@eyesopen.com>
12096 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12098 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12100 PR rtl-optimization/27073
12101 * gcse.c (try_replace_reg): Revert last change. Continue to search
12102 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12105 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12107 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12108 aggregate types other than record and union types.
12109 (function_arg): Likewise.
12110 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12112 (function_value): In 64-bit mode, return objects that require it
12115 2006-04-11 Roger Sayle <roger@eyesopen.com>
12117 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12119 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12121 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12123 2006-04-03 Jeff Law <law@redhat.com>
12126 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12127 alias information too.
12129 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12131 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12133 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12136 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12137 (premark_used_types_helper): New.
12138 (premark_used_types): New.
12139 (gen_subprogram_die): Call premark_used_types.
12140 (prune_unused_types_walk): Do not prune perennial dies.
12141 * function.c (used_types_insert): New.
12142 * function.h (struct function): Add used_types_hash field.
12143 (used_types_insert): Add prototype.
12144 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12145 * c-parser.c (c_parser_cast_expression): Save casted types in used
12148 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12151 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12152 rs6000_explicit_options.float_gprs.
12154 2006-04-10 Roger Sayle <roger@eyesopen.com>
12156 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12157 from ix86_expand_vector_init_low_nonzero. Take an additional
12158 one_var argument indicating which element is non-zero. Support
12159 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12160 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12161 with one_var instead of ix86_expand_vector_init_low_nonzero.
12163 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12165 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12166 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12167 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12168 build/genextract.o): Depend on vecprim.h.
12169 * cfglayout.c, df-problems.c, function.c, genextract.c,
12170 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12171 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12175 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12177 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12178 Declare VECs of this type.
12179 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12180 (remove_children): Delete.
12181 (add_dwarf_attr): Use VEC routines.
12182 (add_AT_flag): Update for changes to add_dwarf_attr.
12183 (add_AT_int): Likewise.
12184 (add_AT_unsigned): Likewise.
12185 (add_AT_long_long): Likewise.
12186 (add_AT_vec): Likewise.
12187 (add_AT_string): Likewise.
12188 (add_AT_die_ref): Likewise.
12189 (add_AT_fde_ref): Likewise.
12190 (add_AT_loc): Likewise.
12191 (add_AT_loc_list): Likewise.
12192 (add_AT_addr): Likewise.
12193 (add_AT_lbl_id): Likewise.
12194 (add_AT_lineptr): Likewise.
12195 (add_AT_macptr): Likewise.
12196 (add_AT_offset): Likewise.
12197 (add_AT_range_list): Likewise.
12198 (get_AT): Use VEC_iterate.
12199 (remove_AT): Use VEC_ordered_remove.
12200 (free_die): Fold remove_children into here; have it use VEC_iterate.
12201 (print_die): Use VEC_iterate on attrs.
12202 (reverse_die_lists): Don't reverse attr lists.
12203 (die_checksum): Use VEC_iterate on attrs.
12204 (same_die_p): Likewise.
12205 (output_location_lists): Likewise.
12206 (build_abbrev_table): Likewise.
12207 (size_of_die): Likewise.
12208 (unmark_all_dies): Likewise.
12209 (output_abbrev_section): Likewise.
12210 (output_die): Likewise.
12211 (prune_unused_types_walk_attribs): Likewise.
12213 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12215 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12217 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12220 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12222 2006-04-09 Roger Sayle <roger@eyesopen.com>
12224 * expr.c (store_constructor): Don't bother clearing target if
12225 we're about to assign a vector to it using vec_init_optab.
12227 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12229 * tree-ssa-alias.c (lhs_may_store_to): New function.
12230 (recalculate_used_alone): Handle LHS of calls.
12232 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12236 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12237 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12238 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12239 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12240 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12241 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12242 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12243 stubs. Add ".align 8" directives before all ".dword" directives.
12244 (GTHREAD_USE_WEAK): Revise comment.
12245 (TARGET_ATTRIBUTE_WEAK): Define.
12246 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12247 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12248 * stublib.c: New file.
12253 * pa.md (cbranch patterns): Revise arguments used in calls to
12254 output_cbranch, output_bb and output_bvd. Add long branch length
12256 (fbranch patterns): Handle long branches.
12257 (jump): Revise length check. Revise arguments for output_lbranch call.
12258 Add long branch length attributes.
12259 (decrement_and_branch_until_zero): Add long branch length attributes.
12260 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12261 Likewise. Revise arguments for output_parallel_addb and
12262 output_parallel_movb calls.
12263 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12264 output_parallel_movb and output_parallel_addb): Update prototypes.
12265 * pa.c (output_cbranch): Revise arguments. Correct handling of
12266 nullification in long branches.
12267 (output_lbranch): Add new argument to control extraction of delay
12269 (output_bb): Handle long branches.
12270 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12271 output_parallel_addb): Likewise.
12273 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12275 PR rtl-optimization/27073
12276 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12279 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12281 * tree.h (tree_memory_tag): Add old_used_alone.
12282 (SMT_OLD_USED_ALONE): New macro.
12283 * tree-ssa-alias.c (recalculate_used_alone): Stop
12284 marking things for renaming unnecessarily.
12286 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12288 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12289 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12290 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12291 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12292 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12293 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12294 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12295 spelling convensions.
12296 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12297 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12298 typos. Follow spelling conventions.
12300 2006-04-07 DJ Delorie <dj@redhat.com>
12302 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12303 passed on the stack.
12304 (m32c_init_cumulative_args): When a function returns a structure,
12305 always pass the pointer to that return area on the stack.
12306 (m32c_function_arg_advance): Don't increment the parameter number
12307 if we're processing the returned structure pointer.
12308 (pushm_info): Reverse order of registers.
12310 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12312 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12313 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12314 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12315 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12316 build_int_cst_type.
12317 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12318 chrec_fold_multiply): Same.
12319 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12320 force_expr_to_var_cost): Same.
12321 * tree-mudflap.c (mf_xform_derefs_1): Same.
12322 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12324 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12326 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12327 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12330 2006-04-07 Jan Hubicka <jh@suse.cz>
12332 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12334 2006-04-07 Richard Guenther <rguenther@suse.de>
12336 PR tree-optimization/26135
12337 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12338 loads for store copy-prop.
12339 (copy_prop_visit_stmt): Likewise.
12341 2006-04-05 Robert Millan <robertmh@gnu.org>
12343 * config/i386/linux.h: Add a comment to mark macros that are
12344 being overriden in config/k*bsd-gnu.h.
12345 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12347 * config/knetbsd-gnu.h: Ditto.
12349 2006-04-06 Jan Hubicka <jh@suse.cz>
12353 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12356 2006-04-06 Mike Stump <mrs@apple.com>
12358 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12359 for HAVE_nonlocal_goto to be consistent.
12360 (expand_builtin_nonlocal_goto): Likewise.
12361 (expand_builtin_strcmp): Use #ifdef instead of #if
12362 for HAVE_cmpstrnsi to be consistent.
12364 2006-04-05 DJ Delorie <dj@redhat.com>
12366 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12369 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12371 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12372 got-relative addressing for anything but SImode.
12374 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12375 even if the calling function doesn't modify them.
12377 2006-04-05 Richard Guenther <rguenther@suse.de>
12379 PR tree-optimization/26919
12380 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12381 to cgraph_estimate_size_after_inlining.
12383 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12385 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12387 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12389 PR tree-optimization/26996
12390 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12391 VECTOR_TYPE variables.
12393 2006-04-05 Richard Guenther <rguenther@suse.de>
12395 PR tree-optimization/26763
12396 * fold-const.c (fold_comparison): Move folding of
12397 PTR + CST CMP PTR + CST ...
12398 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12400 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12402 * doc/install.texi (Prerequisites): Refine some wording on
12403 bootstrapping and ksh.
12404 Move the version numbers of DejaGnu here from the testing section
12405 and fix casing of names.
12406 Fix markup and clarify wording for autogen requirements.
12407 Refer to GCJ instead of just java.
12408 Refer to SVN instead of CVS.
12409 Describe diffutils as useful instead of necessary.
12410 (Downloading the source): Refer to SVN instead of CVS.
12411 Adjust a link to our web site accordingly.
12412 (Configuration): Fix casing of Bison.
12413 (Building): Refer to SVN instead of CVS.
12414 Fix a sentence on the use of Bison and remove duplicate (and
12415 incorrect) version number of Bison requirement.
12416 Remove one redundant list of packages needed for building.
12417 (Specific): Avoid reference to CVS.
12419 2006-04-04 Eric Christopher <echristo@apple.com>
12421 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12422 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12423 (rs6000_handle_struct_attribute): New.
12424 (rs6000_ms_bitfield_layout_p): Ditto.
12426 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12428 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12429 NULL for dso parameter to atexit_common.
12431 2006-04-04 Eric Christopher <echristo@apple.com>
12433 * config/i386/i386.c (machopic_output_stub): Output \t
12434 between instructions and operands.
12436 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12438 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12439 satisfies_constraint_[IL] to explicit tests on value.
12441 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12443 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12444 set_nb_iterations_in_loop): Use build_int_cst instead of
12445 build_int_cst_type.
12446 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12447 build_int_cst instead of convert.
12449 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12451 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12452 new value 2 for incoming.
12453 * function.c (expand_function_start): Call struct_value_rtx
12454 with incoming as 2.
12455 * config/sparc/sparc.md: Comment updated_return.
12456 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12457 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12458 struct return if sparc_std_struct_return and incoming is 2.
12459 (print_operand): Do not adjust return if
12460 sparc_std_struct_return.
12462 2006-04-04 Roger Sayle <roger@eyesopen.com>
12464 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12465 convert in the middle-end.
12466 * expr.c (store_expr, store_constructor, get_inner_reference,
12467 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12469 * tree.c (build_range_type): Likewise.
12471 2006-04-04 Tom Tromey <tromey@redhat.com>
12473 * doc/install.texi (Prerequisites): Mention jar.
12475 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12477 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12480 2006-04-04 Matthias Klose <doko@debian.org>
12482 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12486 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12489 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12491 * doc/extend.texi (Function Attributes): Rewrite visibility
12492 attribute documentation.
12493 * doc/invoke.texi (C++ Dialect Options): Rewrite
12494 -fvisibility-inlines-hidden documentation to describe something
12495 entirely different, although in practise compatible.
12496 (Code Gen Options): Warn about system headers in -fvisibility=
12499 * doc/extend.texi (Other Builtins): Document that
12500 __builtin_nan is a compile-time constant only when its argument
12503 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12505 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12506 trying to remove TRUNCATE check if all bits outside the new mode
12507 are identical to the sign bit.
12509 2006-04-03 Jeff Law <law@redhat.com>
12511 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12512 and operand scanning in some common cases.
12514 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12515 Dale Johannesen <dalej@apple.com>
12518 * regclass.c (struct reg_pref): Update documentation.
12519 (regclass): Set prefclass to NO_REGS if memory is the best option.
12520 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12521 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12522 into account. For non-registers, equate an empty preferred
12523 reload class to a `!' in the constraint; move the if clause to
12524 do so after those that reject the insn.
12525 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12527 (find_dummy_reload): Likewise.
12528 * doc/tm.texi (Register Classes): Document what it means
12529 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12530 * config/i386/i386.c (ix86_preferred_reload_class): Force
12531 using SSE registers (and return NO_REGS for floating-point
12532 constants) if math is done with SSE.
12533 (ix86_preferred_output_reload_class): New.
12534 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12535 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12536 * config/i386/i386.md: Remove # register preferences.
12538 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12541 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12542 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12543 the type of nb_iter.
12544 (instantiate_parameters_1): Convert the operands before calling
12545 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12546 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12548 2006-04-02 Roger Sayle <roger@eyesopen.com>
12550 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12551 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12552 instead of convert.
12553 * dojump.c (do_jump): Likewise.
12554 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12555 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12556 gimplify_boolean_expr): Likewise.
12557 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12558 * varasm.c (array_size_for_constructor): Likewise.
12559 * tree-object-size.c (compute_object_offset): Likewise.
12561 2006-04-02 Roger Sayle <roger@eyesopen.com>
12563 PR middle-end/26977
12564 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12565 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12567 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12569 PR tree-optimization/26939
12570 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12572 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12574 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12575 at_stmt. Convert the type of operands before calling
12576 build_polynomial_chrec.
12577 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12578 add_to_evolution_1.
12579 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12580 (instantiate_parameters_1): Convert the type of operands before calling
12581 build_polynomial_chrec.
12582 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12583 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12584 reset_evolution_in_loop): Insert asserts to check the types of the
12586 (chrec_type): Moved...
12587 (eq_evolutions_p): Use operand_equal_p.
12588 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12589 the types of the operands.
12590 (chrec_type): ...here.
12591 * tree-data-ref.c (create_data_ref): Convert the operands before
12592 calling chrec_replace_initial_condition.
12593 (same_access_functions, analyze_subscript_affine_affine,
12594 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12595 (compute_subscript_distance, analyze_ziv_subscript,
12596 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12597 analyze_miv_subscript): Convert the operands before calling
12598 chrec_fold_minus or chrec_fold_plus.
12600 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12602 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12603 the dependence_relations vector.
12604 (compute_data_dependences_for_loop): Adjust call to
12605 compute_all_dependences.
12607 2006-04-01 Roger Sayle <roger@eyesopen.com>
12608 Richard Henderson <rth@redhat.com>
12610 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12611 gimple_boolify on the condition before calling gimplify_expr.
12613 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12615 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12616 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12617 the frame size. Update to use the new macros.
12618 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12619 * config/xtensa/ieee754-df.S: Likewise.
12621 2006-03-31 Richard Henderson <rth@redhat.com>
12623 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12624 (make_edges): ... here. Control fallthru creation with a local
12625 variable. Do not play with fake edges.
12626 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12627 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12630 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12632 * dwarf2.h (DW64_CIE_ID): Define.
12633 * dwarf2out.c (DWARF_CIE_ID): Define.
12634 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12635 length header. Use DWARF_CIE_ID.
12636 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12637 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12639 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12641 * config/sh/linux-atomic.asm: New file.
12642 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12644 2006-03-31 DJ Delorie <dj@redhat.com>
12646 * config/m32c/cond.md: Set condition flags properly throughout.
12647 * config/m32c/minmax.md: Likewise.
12648 * config/m32c/prologue.md: Likewise.
12649 * config/m32c/bitops.md: Likewise.
12650 * config/m32c/muldiv.md: Likewise.
12651 * config/m32c/mov.md: Likewise.
12652 * config/m32c/addsub.md: Likewise.
12653 * config/m32c/m32c.md: Likewise.
12654 * config/m32c/jump.md: Likewise.
12655 * config/m32c/shift.md: Likewise.
12657 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12658 conditionally output the pattern for this.
12659 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12660 (m32c_compare_redundant): New.
12661 (m32c_output_compare): New.
12662 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12664 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12665 dest, not src. Allow other 4-byte modes.
12667 2006-03-30 Denis Chertykov <denisc@overta.ru>
12669 * doc/md.texi: Refer to avr/constraints.md instead of
12672 2006-03-30 Roger Sayle <roger@eyesopen.com>
12674 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12675 signed vs. unsigned comparison failures on some hosts.
12677 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12680 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12681 change to FLOAT_REGS.
12683 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12684 (rs6000_override_options): Use it.
12685 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12686 only for -mabi=spe/no-spe and -mabi=altivec.
12688 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12690 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12693 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12695 * Makefile.in: Rename docdir to gcc_docdir.
12697 2006-03-30 Roger Sayle <roger@eyesopen.com>
12700 * expr.c (emit_group_store): Optimize group stores into a pseudo
12701 register by using a paradoxical subreg to initialize the destination
12702 if the first or last member of the group specifies a "low part".
12704 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12707 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12708 * target.h (struct gcc_target.speculate_insn): Change type of the
12709 second parameter to 'int'.
12710 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12711 the second operand of the DEPS_LIST.
12712 (copy_DEPS_LIST_list): Update reference to the second operand of the
12714 * rtl.h (alloc_DEPS_LIST): Update signature.
12715 * sched-int.h (ds_t): Change typedef to 'int'.
12716 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12718 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12720 * haifa-sched.c (try_ready): Change condition to restore
12721 non-speculative pattern of the instruction.
12722 (process_insn_depend_be_in_spec): Code to keep probability of the
12723 speculative dependence non-decreasing.
12725 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12727 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12728 (single_move_for_movmem): ... this. Also change all uses.
12729 (bfin_expand_strmov): Renamed to...
12730 (bfin_expand_movmem): ... this. Also change all uses.
12731 * config/bfin/bfin.md (movstrsi): Renamed to...
12732 (movstrsi): ...this.
12734 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12736 PR tree-optimization/26830
12738 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12739 (copy_prop_visit_stmt): Remove write-only variable ann.
12740 (init_copy_prop): Check variable loop depth here. Do not simulate
12741 memory-tag and virtual operand PHIs except for store copy prop.
12743 2006-03-30 Richard Guenther <rguenther@suse.de>
12745 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12746 variants with double arguments.
12748 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12750 * genpreds.c (write_tm_constrs_h): Delete variable p.
12751 * genconditions.c (write_header): Add tm-constrs.h to included
12753 * genpeep.c (main): Add toplev.h to included headers.
12754 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12755 (build/genpeep.o): Add toplev.h dependency.
12756 * config/rs6000/constraints.md: Add "W" constraint.
12758 2006-03-29 Roger Sayle <roger@eyesopen.com>
12760 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12761 sizes by correctly testing whether the size fits a host integer.
12762 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12763 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12764 SImode range for the default sizetype and bitsizetype.
12766 2006-03-29 Roger Sayle <roger@eyesopen.com>
12768 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12769 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12770 quickly if the argument is already of the correct type.
12771 Call fold_build1 instead of build1. Tidy up blank lines.
12773 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12775 * genemit.c (main): Add tm-constrs.h to included headers.
12776 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12777 * genpeep.c (main): Add tm-constrs.h to included headers.
12778 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12779 (write_tm_constrs_h): this and write complete file.
12780 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12781 (write_insn_preds_c): Add tm-constrs.h to included headers.
12782 (gen_constrs): New variable.
12783 (parse_option): Parse "-c".
12784 (main): Invoke write_tm_constrs_h.
12785 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12786 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12787 (object_out_file): Add tm-constrs.h dependency.
12788 (insn-emit.o): Same.
12789 (insn-output.o): Same.
12790 (insn-peep.o): Same.
12791 (insn-preds.o): Same.
12792 (insn-recog.o): Same.
12793 (tm-constsr.h): New target.
12794 (s-constrs-h): New target.
12796 * config/rs6000/constraints.md: New file.
12797 * config/rs6000/rs6000.c: Include tm-constrs.h.
12798 (num_insn_constant_wide): Convert to satisfies_constraint.
12799 (rs6000_rtx_costs): Convert to satisfies_constraint.
12800 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12801 (CONST_OK_FOR_LETTER_P): Delete.
12802 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12803 (EXTRA_CONSTRAINT): Delete.
12804 (EXTRA_MEMORY_CONSTRAINT): Delete.
12805 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12806 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12807 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12808 satisfies_constraint.
12810 * config/i386/i386.c: Include tm-constrs.h.
12812 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12814 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12815 * tree-data-ref.c (find_data_references_in_loop,
12816 compute_data_dependences_for_loop): Use pointers to VEC.
12817 (analyze_all_data_dependences): Adjust calls.
12818 * tree-data-ref.h (find_data_references_in_loop,
12819 compute_data_dependences_for_loop): Adjust declarations.
12820 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12821 compute_data_dependences_for_loop.
12823 2006-03-29 Paul Brook <paul@codesourcery.com>
12825 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12826 (movdf_vfp): Ditto.
12828 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12830 PR tree-optimization/26859
12831 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12833 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12834 for the step after fold_convert.
12836 2006-03-29 Paul Brook <paul@codesourcery.com>
12838 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12839 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12841 2006-03-29 Paul Brook <paul@codesourcery.com>
12843 PR middle-end/23623
12844 * targhooks.c (default_narrow_bitfield): New fuction.
12845 * targhooks.h (default_narrow_bitfield): add prototype.
12846 * target.h (gcc_target): Add narrow_volatile_bitfield.
12847 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12848 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12849 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12850 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12852 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12854 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12856 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12857 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12858 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12859 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12860 (s390_function_arg_float): Allow SDmode and DDmode values to be
12861 passed in floating point registers.
12862 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12863 check with SCALAR_FLOAT_MODE_P.
12864 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12866 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12868 PR tree-optimization/25985
12869 * tree-ssa-loop-niter.c (number_of_iterations_le,
12870 number_of_iterations_ne): Make comments more precise.
12871 (number_of_iterations_cond): Add only_exit argument. Use the
12872 fact that signed variables do not overflow only when only_exit
12874 (loop_only_exit_p): New.
12875 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12876 number_of_iterations_cond.
12878 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12880 PR tree-optimization/26643
12881 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12884 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12886 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12887 (divsi3_i4_int): Likewise.
12889 2006-03-28 Roger Sayle <roger@eyesopen.com>
12891 * expr.c (emit_group_store): Only create a new pseudo reg if the
12892 quantity it needs to hold isn't already a suitable pseudo.
12894 2006-03-28 Jeff Law <law@redhat.com>
12896 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12897 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12899 2006-03-28 Roger Sayle <roger@eyesopen.com>
12901 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12902 the equivalent ~X & Y, and the symmetry related transformations.
12903 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12904 ~X & Y, and symmetry related transforms.
12906 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12908 Revert my 2006-03-27 patches.
12910 2006-03-28 Roger Sayle <roger@eyesopen.com>
12912 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12913 ~(T1)X, when T1 and T2 are integer types of the same precision
12914 and (T2)X isn't an extension.
12916 2006-03-28 Jeff Law <law@redhat.com>
12918 PR tree-optimization/26796
12919 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12920 need EH edge cleanups rather than purging them immediately.
12921 (eliminate_degenerate_phis): Handle queued EH cleanups.
12923 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12925 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12928 2006-03-27 Roger Sayle <roger@eyesopen.com>
12930 PR middle-end/22524
12931 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12932 cast BIT_NOT_EXPR operand to the correct type.
12934 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12936 * tree-loop-linear.c: Don't include varray.h.
12937 (gather_interchange_stats, try_interchange_loops,
12938 linear_transform_loops): Use VEC instead of VARRAY.
12939 * lambda-mat.c: Don't include varray.h.
12940 * tree-chrec.c: Same.
12941 * lambda-trans.c: Same.
12942 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12943 VEC instead of VARRAY.
12944 * tree-vectorizer.h: Idem.
12945 * tree-data-ref.c (dump_data_references,
12946 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12947 initialize_data_dependence_relation, finalize_ddr_dependent,
12948 compute_all_dependences, find_data_references_in_loop,
12949 compute_data_dependences_for_loop, analyze_all_data_dependences,
12950 free_dependence_relation, free_dependence_relations,
12951 free_data_refs): Idem.
12952 * tree-data-ref.h (data_reference_p, subscript_p): New.
12953 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12954 VEC instead of VARRAY.
12955 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12956 (find_data_references_in_loop, compute_data_dependences_for_loop,
12957 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12958 dump_data_dependence_relations, free_dependence_relations,
12959 free_data_refs): Adjust declaration.
12960 (lambda_transform_legal_p): Move declaration here...
12961 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12962 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12963 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12964 vect_analyze_data_refs): Use VEC instead of VARRAY.
12965 * lambda.h (lambda_transform_legal_p): ...from here.
12966 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12967 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12968 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12969 tree-chrec.o): Don't depend on VARRAY_H.
12971 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12973 * rtl.def (Copyright): Update date.
12974 (DEPS_LIST): Change type of the second operand to 'int'.
12975 * target.h (Copyright): Update date.
12976 (struct gcc_target.speculate_insn): Change type of the second parameter
12978 * lists.c (Copyright): Update date.
12979 (alloc_DEPS_LIST): Change signature. Update reference to the second
12980 operand of the DEPS_LIST.
12981 (copy_DEPS_LIST_list): Update reference to the second operand of the
12983 * rtl.h (Copyright): Update date.
12984 (alloc_DEPS_LIST): Update signature.
12985 * sched-int.h (Copyright): Update date.
12986 (ds_t): Change typedef to 'int'.
12987 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12989 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12991 * haifa-sched.c (Copyright): Update date.
12992 (try_ready): Change condition to restore non-speculative pattern
12993 of the instruction.
12994 (process_insn_depend_be_in_spec): Code to keep probability of the
12995 speculative dependence non-decreasing.
12997 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12999 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13000 shut up the compiler.
13002 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13004 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13005 to use lib prefix for target.
13006 ($(T)libic_invalidate_array_4-200.a): Likewise.
13007 ($(T)libic_invalidate_array_4a.a): Likewise.
13009 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13010 J"orn Rennecke <joern.rennecke@st.com>
13012 * superh.opt: New file.
13013 * sh.c (boardtype, osruntime): Remove.
13014 * superh.h (SUBTARGET_OPTIONS): Remove.
13015 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13017 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13018 arguments with ^ and/or [].
13020 * config.gcc (sh-*-*): Add quoting to account for quirk of
13022 Replace == with = in enable_incomplete_targets test.
13024 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13025 with MASK_LITTLE_ENDIAN.
13027 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13028 * config/sh/sh.opt: Added to some comments.
13029 * config/sh/superh.h: Removed some chaff.
13031 * config/sh/sh.opt: Add m4-[1234]00* options.
13032 * config/sh/sh.c (sh_handle_option): Likewise.
13033 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13034 (ic_invalidate_array_4-100.o): New rule.
13035 ($(T)libic_invalidate_array_4-100.a): Likewise.
13036 (ic_invalidate_array_4-200.o): Likewise.
13037 ($(T)libic_invalidate_array_4-200.a): Likewise.
13038 (ic_invalidate_array_4a.o): Likewise.
13039 ($(T)libic_invalidate_array_4a.a): Likewise.
13040 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13041 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13043 * config/sh/crt1.asm: Merged in profiling code.
13044 * config/sh/superh.h (STARTFILE_SPEC): Override.
13045 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13046 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13047 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13049 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13050 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13051 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13053 * sh.opt (mpretend-cmove): New option.
13054 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13055 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13056 (movsicc): Add TARGET_PRETEND_CMOVE code.
13058 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13060 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13061 s390_class_max_nregs): New function prototypes.
13062 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13063 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13064 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13065 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13067 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13069 * dwarf2out.c (add_location_or_const_value_attribute): Call
13070 tree_add_const_value_attribute if nothing else works.
13071 (reference_to_unused): New.
13072 (rtl_for_decl_init): Use reference_to_unused to decide whether
13073 to output an initializer.
13075 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13078 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13079 peephole removing spe frob_di_df_2.
13081 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13083 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13084 (subscript_dependence_tester_1): Declared.
13085 (print_dir_vectors, print_dist_vectors): New.
13086 (debug_data_dependence_relation): New.
13087 (dump_data_dependence_relation): Print more details.
13088 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13089 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13090 (save_dist_v, save_dir_v, add_outer_distances,
13091 build_classic_dist_vector_1): New.
13092 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13093 Don't test for lambda_vector_lexico_pos.
13094 (same_access_functions, add_multivariate_self_dist,
13095 add_other_self_distances, dir_from_dist): New.
13096 (build_classic_dir_vector): Replace implementation almost identical to
13097 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13099 (subscript_dependence_tester_1): New.
13100 (subscript_dependence_tester): Handle the lexicographically negative
13101 distance vectors by recomputing the dependence relation.
13102 (compute_affine_dependence): Remove parameter loop_nest_depth.
13103 (compute_self_dependence): Don't call compute_subscript_distance.
13104 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13105 Add a parameter for the loop_nest.
13106 (find_loop_nest_1, find_loop_nest): New.
13107 (compute_data_dependences_for_loop): Compute the loop nest, and give
13108 up if the nest is not well formed.
13109 * tree-data-ref.h (loop_p): New.
13110 (struct data_dependence_relation): Replace size_vect field with
13111 loop_nest, a vec of loops.
13112 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13113 (DDR_LOOP_NEST): New.
13114 (print_dir_vectors, print_dist_vectors,
13115 debug_data_dependence_relation): Declared.
13116 (index_in_loop_nest): New.
13117 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13118 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13121 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13123 * simplify-rtx.c (simplify_relational_operation): Call
13124 simplify_relational_operation_1 even if mode is VOIDmode.
13126 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13128 PR tree-optimization/26804
13129 * tree.h (DECL_CALL_CLOBBERED): New macro.
13130 (tree_decl_common): Add call_clobbered_flag.
13131 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13132 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13133 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13134 (mark_non_addressable): Ditto.
13135 * tree-ssa.c (verify_call_clobbered): New function.
13136 (verify_alias_info): Use it.
13137 * tree-pass.h (pass_reset_cc_flags): New prototype.
13138 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13139 (reset_cc_flags): New function.
13140 * passes.c (init_optimization_passes): Call reset_cc_flags after
13141 initializing referenced_vars.
13143 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13144 Roger Sayle <roger@eyesopen.com>
13146 PR middle-end/26717
13147 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13148 to 1.0 for non-real operands. Implement A / A optimization for
13151 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13153 * config/i386/i386.c (size_cost): Correct the comment for
13154 cost of storing fp registers.
13155 (i386_cost): Likewise.
13156 (i486_cost): Likewise.
13157 (pentium_cost): Likewise.
13158 (pentiumpro_cost): Likewise.
13159 (k6_cost): Likewise.
13160 (athlon_cost): Likewise.
13161 (k8_cost): Likewise.
13162 (pentium4_cost): Likewise.
13163 (nocona_cost): Likewise.
13164 (generic64_cost): Likewise.
13165 (generic32_cost): Likewise.
13167 2006-03-24 Denis Chertykov <denisc@overta.ru>
13169 * config/avr/avr-protos.h (extra_constraint): Delete.
13170 (extra_constraint_Q): New declaration.
13171 * config/avr/constraints.md: New file.
13172 * config/avr/avr.md: Include it.
13173 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13174 (TMP_REGNO, ZERO_REGNO): Likewise.
13175 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13176 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13177 (extra_constraint): Delete.
13178 (extra_constraint_Q): Test for memory constraint 'Q'.
13179 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13180 (REG_CLASS_FROM_LETTER): Delete.
13181 (CONST_OK_FOR_LETTER_P): Delete.
13182 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13183 (EXTRA_CONSTRAINT): Delete.
13184 (TMP_REGNO): Delete.
13185 (ZERO_REGNO): Delete.
13187 2006-03-24 Jeff Law <law@redhat.com>
13189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13190 directly. Call mark_new_vars_to_rename slightly earlier.
13192 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13194 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13195 (is_cxx): Likewise.
13196 (gen_compile_unit_die): Use new language types for Objective-C and
13198 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13199 DW_LANG_C_plus_plus.
13202 * config/t-darwin (crt3.o): Work around bug 26840.
13203 * config/darwin-crt3.c: Rewrite.
13204 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13206 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13208 * doc/invoke.texi: Document -femit-class-debug-always
13209 * common.opt: Add -femit-class-debug-always.
13211 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13213 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13214 index and base register.
13215 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13216 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13217 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13218 REGNO_OK_FOR_INDEX_P.
13219 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13221 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13222 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13223 REG_OK_FOR_BASE_P): Definitions removed.
13225 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13227 PR middle-end/26611
13228 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13229 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13230 set yet or weren't marked as local yet.
13232 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13234 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13237 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13239 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13240 (rs6000_legitimate_small_data_p): Delete.
13241 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13242 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13243 and make static. Add forward declaration. Update uses.
13244 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13245 of offsettable_memref_p.
13246 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13247 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13249 2006-03-24 Jeff Law <law@redhat.com>
13251 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13252 around bug in immediate-use iterator.
13254 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13257 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13258 or __LITTLE_ENDIAN__.
13260 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13262 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13263 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13264 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13265 * config/sh/sh.opt (mdiv=): Amend description.
13266 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13267 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13268 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13269 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13270 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13271 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13272 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13273 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13274 TARGET_DIVIDE_CALL_FP.
13276 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13278 * haifa-sched.c (choose_ready): Fix type of the local variable.
13279 Move local variables. Add comment.
13280 (check_reg_live): Change signature. Make callable from debugger.
13281 * sched-int.h (check_reg_live): Update signature.
13282 * sched-ebb.c (check_reg_live): Update parameters.
13283 * sched-rgn.c (check_reg_live): Ditto.
13284 (region_head_or_leaf_p): Check pointer before dereferencing.
13285 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13286 before reload on optimization levels below 1.
13288 2006-03-23 Richard Henderson <rth@redhat.com>
13290 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13294 * config/alpha/predicates.md (local_symbolic_operand): Reject
13297 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13300 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13301 expressions which have overflowed constants.
13303 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13305 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13307 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13309 * cfgloopmanip.c (create_loop_notes): Removed.
13310 * final.c (final_scan_insn): Do not handle loop notes.
13311 * jump.c (squeeze_notes): Ditto.
13312 * cfglayout.c (skip_insns_after_block,
13313 duplicate_insn_chain): Ditto.
13314 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13316 * cfgloop.h (create_loop_notes): Declaration removed.
13318 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13320 * varasm.c (output_constant_pool): Restore fnname and fndecl
13322 (assemble_start_function): Adjust call accordingly.
13323 (assemble_end_function): Likewise.
13325 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13328 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13331 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13333 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13336 * system.h (ICE_EXIT_CODE): New macro.
13337 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13338 (diagnostic_action_after_output): Likewise.
13339 * gcc.c (fatal_ice): New function.
13340 (execute): Use it instead of fatal.
13341 (fancy_abort): Likewise.
13342 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13344 2006-03-22 Jeff Law <law@redhat.com>
13346 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13347 iv_analyze_result returning false.
13349 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13351 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13353 2006-03-22 Richard Henderson <rth@redhat.com>
13355 PR middle-end/26084
13356 * except.c (duplicate_eh_regions_0): New.
13357 (duplicate_eh_region_1): Duplicate the children of the node as
13358 well as the node itself. Link them up properly.
13359 (duplicate_eh_region_2): Merge into ...
13360 (duplicate_eh_regions): ... here. Take copy_region argument, and
13361 copy only a sub-tree if asked. Simplify copying and fixup.
13362 (eh_region_outer_p): New.
13363 * except.h (duplicate_eh_regions): Update decl.
13364 (eh_region_outer_p): Declare.
13365 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13366 (lower_omp_master): Likewise.
13367 (lower_omp_ordered): Likewise.
13368 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13369 (move_stmt_r): Use it to remap labels. Handle recursion vs
13370 remap_decls_p properly.
13371 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13372 (find_outermost_region_in_block): New.
13373 (new_label_mapper): New.
13374 (move_sese_region_to_fn): Copy eh information to the new function
13376 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13378 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13381 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13383 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13384 into shared libraries.
13386 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13388 * doc/md.texi: Refer to i386/constraints.md instead of
13389 i386/predicates.md.
13390 * config/i386/constraints.md: New file, extracted from...
13391 * config/i386/predicates.md: ...here.
13392 * config/i386/i386.md: Include constraints.md.
13394 2006-03-21 Jason Merrill <jason@redhat.com>
13396 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13398 PR middle-end/20297
13399 * expr.c (init_block_move_fn): Force default visibility.
13400 (init_block_clear_fn): Likewise.
13401 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13402 * targhooks.c (default_external_stack_protect_fail): Likewise.
13404 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13406 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13407 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13408 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13409 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13410 (loadgp): Use mips_current_loadgp_style.
13411 (loadgp_noshared): New pattern.
13412 (sibcall_internal): Use MIPS_CALL.
13413 (sibcall_value_internal): Likewise.
13414 (sibcall_value_multiple_internal): Likewise.
13415 (call_internal): Likewise.
13416 (call_value_internal): Likewise.
13417 (call_value_multiple_internal): Likewise.
13418 (call_split): Use MIPS_CALL and add an 'S' constraint.
13419 (call_value_split): Likewise.
13420 (call_value_multiple_split): Likewise.
13421 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13422 (-mshared): New option.
13423 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13424 (mips_current_loadgp_style): Declare.
13425 * config/mips/mips.c (mips_classify_symbol): Avoid using
13426 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13427 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13428 TARGET_ABSOLUTE_ABICALLS.
13429 (override_options): Adjust comments. Improve the warning that is
13430 issued when -mabicalls and -G are used together.
13431 (mips_file_start): Remove comment.
13432 (mips_current_loadgp_style): New function.
13433 (mips_gnu_local_gp): New variable.
13434 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13436 (mips_output_function_prologue): Use mips_current_laodgp_style.
13437 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13438 the cprestore instruction.
13439 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13440 live for TARGET_ABSOLUTE_ABICALLS.
13441 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13442 (ASM_SPEC): Pass down -mshared and -mno-shared.
13443 (MIPS_CALL): New macro.
13444 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13446 * doc/invoke.texi (-mabicalls): Update documentation.
13447 (-mshared): Document.
13449 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13451 * config/ia64/unwind-hpux.c: New file.
13452 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13454 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13457 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13459 2006-03-21 Jeff Law <law@redhat.com>
13461 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13462 type conversions of a VR_VARYING source to a wider type.
13464 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13466 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13467 tm_file on Solaris 10 and later.
13468 (sparc64-*-solaris2*): Likewise.
13469 (sparc-*-solaris2*): Likewise.
13470 * config/sol26.h: Rename to config/sol2-6.h.
13471 * config/sol2-10.h: New file.
13473 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13476 * tree-ssa-pre.c (create_component_ref_by_pieces):
13479 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13482 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13483 return it immediately.
13485 2006-03-21 Michael Matz <matz@suse.de>
13487 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13489 (remove_arc, add_arc): Update num_out_arcs member.
13490 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13492 (cache_presence): New function.
13493 (compare_states_for_equiv): New function.
13494 (state_is_differed): Don't take number of outargs, adjust callers.
13495 Use new invariant for speeding up.
13496 (init_equiv_class): Create initial classes based on sorted
13498 (partition_equiv_class): Don't track out_arcs_num.
13499 (evaluate_equiv_classes): Call cache_presence on all states and
13502 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13504 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13505 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13506 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13507 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13509 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13510 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13511 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13512 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13513 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13515 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13516 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13517 (REGNO_REG_CLASS): ARGP is in PREGS.
13518 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13520 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13521 to deal with those addresses.
13522 * addresses.h: New file.
13523 * caller-save.c: Include "addresses.h".
13524 (init_caller_save): Use new base_reg_class function.
13525 * rtl-factoring.c: Include "addresses.h".
13526 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13527 * recog.c: Include "addresses.h".
13528 (preprocess_constraints): Use new base_reg_class function.
13529 * regrename.c: Include "addresses.h".
13530 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13531 functions. Keep track of a new var INDEX_CODE to compute valid
13533 (replace_oldest_value_addr): Likewise.
13534 (replace_oldest_value_mem): Use base_reg_class.
13535 * reload.c: Include "addresses.h".
13536 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13537 (find_reloads): Use new base_reg_class function.
13538 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13539 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13540 all callers and prototype changed.
13541 * reload1.c: Include "addresses.h".
13542 (maybe_fix_stack_asms): Use base_reg_class.
13543 * regclass.c: Include "addresses.h".
13544 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13545 (init_reg_autoinc): Use new base_reg_class function.
13546 (record_reg_classes): Likewise.
13547 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13548 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13549 Use new args to compute necessary class.
13551 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13552 regrename.o, rtl-factoring.o): Update dependencies.
13553 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13554 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13555 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13556 REG_OK_FOR_INDEX_P): Delete documentation.
13558 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13560 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13561 from V7 to V9 for Solaris 7 and above.
13563 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13565 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13566 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13567 argument pointers may not alias any other storage.
13568 * common.opt: Define option -fargument-noalias-anything.
13569 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13570 alias semantics is specified by flag_argument_noalias > 2.
13572 2006-03-20 Jeff Law <law@redhat.com>
13574 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13575 (pass_phi_only_cprop): Declare.
13576 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13577 with phi_only_cprop
13578 * tree-ssa-dom.c (degenerate_phi_result): New function.
13579 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13580 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13581 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13582 (eliminate_degenerate_phis): Likewise.
13583 (pass_phi_only_cprop): New pass descriptor.
13584 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13585 support code. Callers updated.
13586 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13587 (store_copy_prop): Likewise.
13588 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13590 2006-03-20 Jason Merrill <jason@redhat.com>
13593 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13594 (push_visibility, pop_visibility): Likewise.
13595 * c-pragma.h: Declare them.
13597 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13599 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13601 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13602 parameter and use get_ebb_head_tail.
13603 (sh_md_init_global): Adjust uses of find_regmode_weight.
13605 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13607 * function.h (struct function) <x_tail_recursion_reentry>:
13608 Rename to x_stack_check_probe_note.
13609 (tail_recursion_reentry): Rename to stack_check_probe_note.
13610 * function.c: Replace tail_recursion_reentry with
13611 stack_check_probe_note everywhere.
13612 (expand_function_start): Only emit a note for
13613 stack_check_probe_note with -fstack-protect.
13614 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13616 * emit-rtl.c (remove_unnecessary_notes): Remove.
13617 (pass_remove_unnecessary_notes): Remove.
13618 * rtl.h (remove_unnecessary_notes): Remove prototype.
13619 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13620 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13621 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13623 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13626 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13627 (valid_in_set): Handle ARRAY_REF.
13628 Change "if min_variant or VH" to asserts.
13629 (create_component_ref_by_pieces): Handle ARRAY_REF.
13630 (create_expression_by_pieces): Likewise.
13631 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13633 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13635 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13636 is operand of switch, not str[0].
13638 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13640 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13641 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13643 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13645 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13646 end of insn_extra_address_constraint declaration.
13648 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13650 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13651 (no-sum-in-toc): Same.
13652 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13654 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13655 NO_FP_IN_TOC for -fPIC instead of mask.
13657 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13658 (BOOT_LDFLAGS): Delete.
13660 * config/rs6000/t-aix52: Same.
13662 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13663 (stmsi[345678]_power): New.
13665 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13667 * config/ia64/ia64.opt: Add empty line to end of file.
13669 2006-03-17 Richard Guenther <rguenther@suse.de>
13671 PR middle-end/26721
13672 * builtins.c (get_pointer_alignment): For component style references
13673 adjust alignment to the component type alignment. Make sure
13674 to adjust alignment for component access of constants.
13676 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13678 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13679 unconditional jump.
13681 2006-03-17 Paul Brook <paul@codesourcery.com>
13683 * doc/install.texi: Docuemnt --with-mode.
13684 * config.gcc: Add --with-mode for arm*-*-*.
13685 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13687 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13689 * sh.c (max_labelno_before_reorg): New variable.
13690 (sh_reorg): Initialize it.
13691 (find_barrier): Check max_labelno_before_reorg before using
13692 label_to_alignment. Take length of explicit alignment insns
13693 into account. When seeing a UNSPECV_CONST_END, return it.
13695 * sh.c (fixup_mova): Set mode of affected label to QImode.
13696 (untangle_mova): New function.
13697 (find_barrier): Use it. Check mode of label before decrementing
13699 (sh_reorg): Likewise.
13700 Set mode of all insns back to VOIDmode.
13702 * sh.c (MOVA_LABELREF): New macro.
13703 (mova_p, fixup_mova, sh_reorg): Use it.
13704 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13705 ADDR_DIFF_VEC matches mova.
13707 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13709 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13710 with ATTRIBUTE_UNUSED.
13712 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13714 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13715 pointer, instead of assuming it is possible to derive the
13716 correct args size from a call insn.
13718 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13720 * rtl.h (CONST_INT_P): Define.
13721 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13722 instead of GET_CODE(x) == CONST_INT.
13723 (vax_rtx_costs): Likewise.
13724 (vax_output_int_move): Likewise.
13725 (vax_output_int_add): Likewise.
13726 (legitimate_constant_address_p): Likewise.
13727 (index_term_p): Likewise.
13728 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13729 * config/vax/vax.md (and<mode>3): Likewise.
13730 (ashrsi3): Likewise.
13732 (movstricthi): Likewise.
13733 (movstrictqi): Likewise.
13734 (rotrsi3): Likewise.
13735 (five unnamed insns): Likewise.
13737 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13739 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13740 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13741 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13742 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13743 Pass to ASM_OUTPUT_DWARF_OFFSET.
13744 * dwarf2out.c (debug_frame_section): New.
13745 (output_call_frame_info): Use debug_frame_section. Pass it to
13746 dw2_asm_output_offset.
13747 (output_die): Pass appropriate section to dw2_asm_output_offset.
13748 (output_compilation_unit_header): Likewise.
13749 (output_pubnames): Likewise.
13750 (output_aranges): Likewise.
13751 (enum dw_val_class): Break dw_val_class_lbl_offset into
13752 dw_val_class_lineptr and dw_val_class_macptr.
13753 (add_AT_lbl_offset): Delete.
13754 (add_AT_lineptr): New.
13755 (add_AT_macptr): New.
13756 (AT_lbl): Expect a lineptr or macptr.
13757 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13758 (attr_checksum): Likewise.
13759 (same_dw_val_p): Likewise.
13760 (size_of_die): Likewise.
13761 (value_format): Likewise.
13762 (output_die): Likewise.
13763 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13765 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13766 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13767 * config/darwin-protos.h (darwin_file_start): New.
13768 (darwin_asm_output_dwarf_offset): New.
13769 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13770 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13772 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13773 if not EH section; simplify.
13774 (darwin_file_start): New.
13775 (darwin_asm_output_dwarf_offset): New.
13776 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13778 (DEBUG_INFO_SECTION): Likewise.
13779 (DEBUG_ABBREV_SECTION): Likewise.
13780 (DEBUG_ARANGES_SECTION): Likewise.
13781 (DEBUG_MACINFO_SECTION): Likewise.
13782 (DEBUG_LINE_SECTION): Likewise.
13783 (DEBUG_LOC_SECTION): Likewise.
13784 (DEBUG_PUBNAMES_SECTION): Likewise.
13785 (DEBUG_STR_SECTION): Likewise.
13786 (DEBUG_RANGES_SECTION): Likewise.
13787 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13788 (ASM_OUTPUT_DWARF_OFFSET): New.
13790 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13792 * config.gcc (tm_defines): Always add to previous value rather
13795 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13797 * config/mips/predicates.md (splittable_const_int_operand): New,
13798 split from move_operand.
13799 (splittable_symbolic_operand): New.
13800 (move_operand): Add commentary. Use splittable_const_int_operand.
13801 Inline mips_atomic_symbolic_constant_p.
13802 * config/mips/mips.md: Add combine splitters for handling moves
13803 of splittable_const_int_operands and splittable_symbolic_operands.
13804 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13805 (mips_split_symbol): Declare.
13806 (mips_move_integer): Declare.
13807 * config/mips/mips.c (mips_split_p): Make global.
13808 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13809 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13810 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13811 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13812 (mips_offset_within_object_p): Handle block symbols.
13813 (mips_atomic_symbolic_constant_p): Delete.
13814 (mips_cannot_force_const_mem): Return false for constants that
13815 mips_legitimize_move can handle.
13816 (mips_use_blocks_for_constant_p): New function.
13817 (mips_split_symbol): Make global.
13818 (mips_move_integer): Likewise. Add a temporary register argument.
13819 (mips_legitimize_const_move): Use splittable_const_int_operand and
13820 splittable_symbolic_operand.
13821 (mips_use_anchors_for_symbol_p): New function.
13822 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13823 (mips_split_p): Declare.
13825 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13827 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13828 (mips*-*-linux*): Likewise.
13830 2006-03-16 Roger Sayle <roger@eyesopen.com>
13831 Daniel Speyer <dspeyer@wam.umd.edu>
13833 PR middle-end/18259
13834 * tree-dump.c (dump_real): New function.
13835 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13836 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13837 (tree-dump.o): Add $(REAL_H) to the dependencies.
13839 2006-03-16 Roger Sayle <roger@eyesopen.com>
13841 PR middle-end/21781
13842 * real.c (real_from_string): If the mantissa is zero, don't bother
13843 parsing the exponent as the result should always be zero.
13845 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13847 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13849 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13851 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13852 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13853 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13854 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13855 ia64_sched_finish_global): New static functions to implement
13856 hooks from gcc_target.sched.
13857 (spec_check_no, max_uid, pending_data_specs): New static variables.
13858 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13859 ia64_spec_check_src_p): New static functions.
13860 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13861 (TARGET_SCHED_ADJUST_COST): Removed.
13862 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13863 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13864 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13865 TARGET_SCHED_GEN_CHECK,
13866 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13867 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13868 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13869 Fixed to handle speculation checks.
13870 (rtx_needs_barrier): Fixed to handle speculative loads and
13872 (ia64_variable_issue): Added code to count speculative loads and their
13874 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13876 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13878 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13880 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13881 (ia64_reorg): Reset stops_p to NULL after it is freed.
13882 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13883 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13884 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13886 (data_speculative, control_speculative, check_load): New attributes.
13887 (mov<mode>_advanced, mov<mode>_speculative,
13888 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13889 zero_extend<mode>di2_speculative,
13890 zero_extend<mode>di2_speculative_advanced): New patterns for
13891 data and control speculative loads.
13892 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13894 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13895 New pattern for data and control speculation checks.
13896 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13897 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13898 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13899 Auxiliary definitions for the patterns.
13900 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13901 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13903 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13905 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13906 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13907 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13908 New resource constraints.
13909 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13911 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13912 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13913 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13914 msched-in-control-spec, msched-ldc, msched-control-ldc,
13915 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13916 msched-prefer-non-control-spec-insns,
13917 msched-count-spec-in-critical-path): New flags to tune speculative
13919 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13920 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13921 msched-in-control-spec, msched-ldc, msched-control-ldc,
13922 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13923 msched-prefer-non-control-spec-insns,
13924 msched-count-spec-in-critical-path): Document new flags.
13926 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13928 * target.h (struct spec_info_def): New opaque declaration.
13929 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13930 speculate_insn, needs_block_p, gen_check,
13931 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13932 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13933 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13934 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13935 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13936 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13938 (TARGET_SCHED): Use new macros.
13939 * rtl.h (copy_DEPS_LIST_list): New prototype.
13940 * sched-int.h (struct sched_info): Change signature of new_ready field,
13941 adjust all initializations. New fields: add_remove_insn,
13942 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13943 region_head_or_leaf_p.
13944 (struct spec_info_def): New structure declaration.
13945 (spec_info_t): New typedef.
13946 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13947 recovery_block, orig_pat.
13948 (glat_start, glat_end): New variables declaraions.
13949 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13951 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13952 DETACH_LIFE_INFO, USE_GLAT.
13953 (enum SPEC_SCHED_FLAGS): New enumeration.
13954 (NOTE_NOTE_BB_P): New macro.
13955 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13956 attach_life_info, debug_spec_status, check_reg_live): New functions.
13957 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13958 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13960 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13961 * ddg.c (get_block_head_tail): Adjust all uses.
13962 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13963 (sms_sched_info): Initialize new fields.
13964 (contributes_to_priority): Removed.
13965 * haifa-sched.c (params.h): New include.
13966 (get_block_head_tail): Adjust all uses.
13967 (ISSUE_POINTS): New macro.
13968 (glat_start, glat_end): New global variables.
13969 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13970 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13971 old_last_basic_block, before_recovery, current_sched_info_var,
13972 rgn_n_insns, luid): New static variables.
13973 (insn_cost1): New function. Move logic from insn_cost to here.
13974 (find_insn_reg_weight1): New function. Move logic from
13975 find_insn_reg_weight to here.
13976 (reemit_notes, move_insn, max_issue): Change signature.
13977 (move_insn1): Removed.
13978 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13979 extend_bb): New static functions to support extension of scheduler's
13981 (generate_recovery_code, process_insn_depend_be_in_spec,
13982 begin_speculative_block, add_to_speculative_block,
13983 init_before_recovery, create_recovery_block, create_check_block_twin,
13984 fix_recovery_deps): New static functions to support
13985 generation of recovery code.
13986 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13987 restore_bb_notes, move_block_after_check, move_succs): New static
13988 functions to support ebb scheduling.
13989 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13990 functions to support handling of register live information.
13991 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13992 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13993 add_jump_dependencies): New static functions.
13994 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13995 consistancy checking.
13996 (debug_spec_status): New function to call from debugger.
13997 (priority): Added code to handle speculation checks.
13998 (rank_for_schedule): Added code to distinguish speculative instructions.
13999 (schedule_insn): Added code to handle speculation checks.
14000 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14001 Fixed to handle ebbs.
14002 (move_insn): Added code to handle ebb scheduling.
14003 (max_issue): Added code to use ISSUE_POINTS of instructions.
14004 (choose_ready): Added code to choose between speculative and
14005 non-speculative instructions.
14006 (schedule_block): Added code to handle ebb scheduling and scheduling of
14007 speculative instructions.
14008 (sched_init): Initialize new variables.
14009 (sched_finish): Free new variables. Print statistics.
14010 (try_ready): Added code to handle speculative instructions.
14011 * lists.c (copy_DEPS_LIST_list): New function.
14012 * sched-deps.c (extend_dependency_caches): New function. Move logic
14013 from create_dependency_caches to here.
14014 (get_dep_weak, ds_merge): Make global.
14015 * genattr.c (main): Code to output prototype for
14016 dfa_clear_single_insn_cache.
14017 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14018 (output_dfa_clean_insn_cache_func): Code to output
14019 dfa_clear_single_insn_cache function.
14020 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14022 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14024 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14025 New static variables.
14026 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14027 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14029 (ebb_sched_info): Initialize new fields.
14030 (get_block_head_tail): Adjust all uses.
14031 (compute_jump_reg_dependencies): Fixed to use glat_start.
14032 (schedule_ebb): Code to remove unreachable last block.
14033 (schedule_ebbs): Added code to update register live information.
14034 * sched-rgn.c (region_sched_info): Initialize new fields.
14035 (get_block_head_tail): Adjust all uses.
14036 (last_was_jump): Removed. Adjust users.
14037 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14038 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14039 Implement new hooks.
14040 (check_dead_notes1): New static function.
14041 (struct region): New fields: dont_calc_deps, has_real_ebb.
14042 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14043 (BB_TO_BLOCK): Fixed to handle EBBs.
14044 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14045 (ebb_head): New static variable.
14046 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14047 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14049 (compute_dom_prob_ps): New assertion.
14050 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14051 global_live_at_start.
14052 (init_ready_list): New assertions.
14053 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14054 (new_ready): Add support for BEGIN_CONTROL speculation.
14055 (schedule_insns): Fixed code that updates register live information
14057 (schedule_region): Fixed to handle EBBs.
14058 (init_regions): Use extend_regions and check_dead_notes1.
14059 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14060 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14061 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14062 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14063 TARGET_SCHED_GEN_CHECK,
14064 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14065 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14066 * doc/invoke.texi (max-sched-insn-conflict-delay,
14067 sched-spec-prob-cutoff): Document.
14069 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14071 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14072 inter_tick, queue_index.
14073 (struct sched_info): Change signature of init_ready_list field.
14074 Adjust all initializations.
14075 (RESOLVED_DEPS): New access macro.
14076 (ready_add): Remove prototype.
14077 (try_ready): Add prototype.
14078 * sched-rgn.c (init_ready_list): Use try_ready.
14079 (schedule_region): Initialize
14080 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14081 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14082 (init_ready_list): Use try_ready.
14083 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14084 * lists.c (remove_list_elem): Remove `static'.
14085 (remove_free_INSN_LIST_elem): New function.
14086 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14087 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14088 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14090 (readyp): New variable.
14091 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14092 change_queue_index, resolve_dep): New static functions.
14093 (try_ready): New function. Adjust callers in sched-rgn.c and
14094 sched-ebb.c to use it instead of ready_add.
14095 (clock_var): Move at the begining of file.
14096 (rank_for_schedule): Fix typo.
14097 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14098 (ready_lastpos): Enforce assertion.
14099 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14100 update all callers.
14101 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14102 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14103 (queue_to_ready): Use free_INSN_LIST_list.
14104 (early_queue_to_ready): Fix typo.
14105 (schedule_block): Init readyp. Move init_ready_list call after the
14106 initialization of clock_var. Fix error in rejecting insn by
14107 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14108 that previously corrected INSN_TICKs. Add code for handling
14110 (set_priorities): Fix typo.
14111 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14112 Clarify comment and code that keeps current_sched_info->next_tail
14115 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14117 * sched-rgn.c (extend_rgns): New static function.
14118 (find_rgns): Use it.
14119 (gather_region_statistics, print_region_statistics): New static
14121 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14122 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14124 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14125 Andrey Belevantsev <abel@ispras.ru>
14127 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14128 * lists.c (unused_deps_list): New variable.
14129 (free_list): Add assertions to verify the proper distinguishing
14130 between INSN_LISTs and DEPS_LISTs.
14131 (find_list_elem, remove_list_elem, remove_list_node): New static
14133 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14134 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14135 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14136 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14138 (free_INSN_LIST_node): Likewise.
14139 * modulo-sched.c (current_sched_info): Initialize flags field.
14140 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14141 * rtl.def (DEPS_LIST): Define.
14142 * rtl.h: Declare new functions from lists.c.
14143 * sched-deps.c (spec_dependency_cache): New static variable.
14144 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14145 (add_dependence): Change return type to void. Move the logic to ...
14146 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14147 (delete_all_dependences): Add comment about forward_dependency_cache.
14148 Handle spec_dependency_cache. Handle DEPS_LISTs.
14149 (fixup_sched_groups): Clarify the change of priority of output
14150 and anti dependencies.
14151 (sched_analyze_2): Adjust add_dependence calls to create data
14152 speculative dependence.
14153 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14154 Adjust all callers. Handle DEPS_LISTS.
14155 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14156 presence of speculation.
14157 (init_dependency_caches, free_dependency_caches):
14158 Handle spec_dependency_cache.
14159 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14160 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14161 New static functions.
14162 (add_or_update_back_dep, add_or_update_back_forw_dep,
14163 add_back_forw_dep, delete_back_forw_dep): New functions.
14164 * sched-int.h (ds_t, dw_t): New typedefs.
14165 (struct sched_info): Add new field flags.
14166 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14167 Prototype new sched-deps.c functions.
14168 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14169 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14170 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14171 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14172 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14173 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14175 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14177 * sched-rgn.c (current_sched_info): Initialize flags field.
14178 (schedule_insns): Initialize current_sched_info before the sched_init
14180 * sched-ebb.c (current_sched_info): Initialize flags field.
14181 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14182 Call add_or_update_back_dep instead of add_dependence.
14183 Create control speculative dependencies.
14184 (schedule_insns): Initialize current_sched_info before the sched_init
14187 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14189 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14191 (sh_fallback_frame_state): Likewise.
14193 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14195 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14196 Do switch on default_use_cxa_atexit.
14197 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14198 * config/darwin-crt3.o: New.
14199 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14200 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14201 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14203 * config/rs6000/t-darwin: Move crt2.o building to here.
14204 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14205 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14208 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14210 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14211 from '! xxx' to '!xxx' for coding-style conformance.
14212 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14213 (EXTRA_CONSTRAINT): Likewise.
14214 * config/vax/vax.md (four unnamed insns): Likewise.
14216 2006-03-15 Paul Brook <paul@codesourcery.com>
14218 * config/arm/arm.c (minipool_pad): New.
14219 (add_minipool_forward_ref): Include pool alignment padding in address
14221 (push_minipool_fix): Set minipool_pad.
14222 (minipool_pad): Ditto.
14224 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14226 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14227 instead of GET_CODE() == MEM and REG_P() instead of
14229 (print_operand_address): Likewise.
14230 (vax_address_cost): Likewise.
14231 (vax_rtx_costs): Likewise.
14232 (vax_notice_update_cc): Likewise.
14233 (vax_output_int_add): Likewise.
14234 (INDEX_REGISTER_P): Likewise.
14235 (BASE_REGISTER_P): Likewise.
14236 (nonindexed_address_p): Likewise.
14237 (vax_mode_dependent_address_p): Likewise.
14238 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14239 (PRINT_OPERAND): Likewise.
14240 * config/vax/vax.md (ashlsi3): Likewise.
14241 (ashlsi3): Likewise.
14242 (some more unnamed insns): Likewise.
14244 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14246 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14247 iterator-style macro.
14248 (mark_control_dependent_edges_necessary): Update the use of
14249 EXECUTE_IF_CONTROL_DEPENDENT.
14251 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14253 * config/sh/predicates.md (cache_address_operand): Special.
14254 (ua_address_operand): Likewise.
14256 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14258 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14260 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14262 2006-03-15 Andreas Schwab <schwab@suse.de>
14264 * gensupport.c (identify_predicable_attribute): Don't free p_false
14265 when it is still in use.
14267 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14269 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14270 the default setting here.
14272 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14274 * tree-pass.h (pass_cfg): Remove.
14275 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14276 * passes.c (pass_cfg): Don't run it.
14278 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14280 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14281 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14283 (stack_regs_mentioned): Update the uses of
14284 stack_regs_mentioned_data. Don't access the array beyond its
14286 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14287 Don't include gt-reg-stack.h.
14289 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14290 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14292 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14294 PR middle-end/26684
14295 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14298 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14300 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14302 2006-03-14 Richard Guenther <rguenther@suse.de>
14304 PR tree-optimization/26672
14305 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14308 2006-03-14 Richard Guenther <rguenther@suse.de>
14310 PR tree-optimization/26667
14311 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14312 node for the callees. Always allow inlining if it will shrink
14315 2006-03-14 Richard Guenther <rguenther@suse.de>
14317 PR middle-end/26659
14318 * builtins.c (get_pointer_alignment): Prefer alignment
14319 information from decls over that from types.
14321 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14324 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14326 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14328 * config/rs6000/rs6000.opt (mdlmzb): New option.
14329 (msched-prolog, msched-epilog): Use Var not Mask.
14330 * doc/invoke.texi (-mdlmzb): Document.
14331 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14333 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14334 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14336 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14338 PR rtl-optimization/25739
14339 * bt-load.c (augment_live_range): Free tos pointer.
14341 * gensupport.c (identify_predicable_attribute): Free
14343 * gcov.c (create_file_names): Free name pointer.
14345 2006-03-13 Roger Sayle <roger@eyesopen.com>
14347 PR middle-end/26557
14348 * stmt.c (emit_case_nodes): Handle the case where the index is a
14349 CONST_INT, where the comparison mode is specified by the index type.
14351 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14353 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14356 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14358 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14359 (*branch_fp_inverted): Likewise.
14361 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14363 PR middle-end/25989
14364 * omp-low.c (expand_omp_for_generic): Mark istart0
14365 and iend0 as addressable.
14367 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14369 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14371 2006-03-13 Jeff Law <law@redhat.com>
14373 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14374 virtual operands are interesting.
14375 (vrp_visit_stmt): Corresponding changes.
14377 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14379 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14381 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14382 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14383 * config/bfin/crti.S: Use it instead of __PIC__.
14384 * config/bfin/crtn.S: Likewise.
14386 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14387 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14389 Lose 'G' modifier for call operand.
14390 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14391 recognize 'G' modifier.
14393 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14395 PR middle-end/18859
14396 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14397 * stmt.c (expand_case): Likewise.
14399 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14401 PR rtl-optimization/26254
14402 * loop-invariant.c (seq_insns_valid_p): New function.
14403 (move_invariant_reg): Only emit new code if it is valid.
14405 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14407 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14409 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14410 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14411 (commit_one_edge_insertion): Do not look for loop notes.
14413 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14415 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14416 flag_test_coverage out of loop.
14418 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14420 * final.c (shorten_branches): Remove outdated comment, and turn
14421 the if branch that guards it to continue.
14423 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14425 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14426 * cfgloop.h (struct loop): Remove unused fields.
14428 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14430 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14431 (-dL, -fdump-rtl-loop2): Update the dump file names
14433 * doc/invoke.texi: Update dump file names.
14435 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14437 * predict.c (estimate_probability): Remove.
14438 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14439 * basic-block.h (estimate_probability): Remove prototype.
14440 * passes.c (finish_optimization_passes): Dump branch prediction or
14441 profiling heuristics to the .profile tree dump.
14442 (init_optimization_passes): Unqueue pass_branch_prob.
14444 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14446 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14448 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14449 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14451 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14453 * function.h (frame_offset_overflow): Declare.
14454 * function.c (frame_offset_overflow): New function.
14455 (assign_stack_local_1): Call it to detect that the offset overflows.
14456 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14458 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14460 * config/sh/sh.c: Include alloc-pool.h.
14461 (label_ref_list_pool): New alloc pool.
14462 (label_ref_list_t): New type for lists of labels.
14463 (struct pool_node): Make wend a label_ref_list_t.
14464 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14466 (dump_table): Likewise.
14467 (sh_reorg): Set up the alloc pool before using add_constant and
14468 dump_table, and destroy it when finishing.
14470 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14472 * config/mips/mips.c: Remove redundant comment.
14474 2006-03-10 Jason Merrill <jason@redhat.com>
14477 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14478 the target was declared 'register'.
14480 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14482 * genpreds.c (write_insn_constraint_len): Change definition of
14483 insn_constraint_len to return size_t to match the declaration.
14485 2006-03-10 DJ Delorie <dj@redhat.com>
14487 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14489 (m32c_expand_insv): Fix test for an AND mask.
14491 2006-03-10 Richard Guenther <rguenther@suse.de>
14493 PR middle-end/26565
14494 * builtins.c (get_pointer_alignment): Handle component
14495 references for field alignment.
14497 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14499 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14500 when building with libgloss.
14501 (sh*elf): Implement --without-fp option.
14502 (sh64-superh-linux*): Don't multilib.
14504 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14506 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14508 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14510 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14511 Set it when one of the replacement functions returned true.
14512 Return TODO_cleanup_cfg if cfgchanged is true.
14513 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14515 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14517 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14518 instead of gen_lowpart.
14520 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14522 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14524 (mips_output_order_conditional_branch): Declare.
14525 * config/mips/mips.h (MIPS_BRANCH): New macro.
14526 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14527 for the comparison. Use gen_condjump.
14528 (mips_output_conditional_branch): Rework interface to take the
14529 asm templates for a direct branch and the inverse of a direct branch.
14530 (mips_output_order_conditional_branch): New function.
14531 (mips_builtin_branch_and_move): New function.
14532 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14533 branch condition. Use gen_single_cc as the condition for
14534 __builtin_mips_upper_* or __builtin_mips_lower_*.
14535 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14536 Use VOIDmode for the branch condition.
14537 * config/mips/predicates.md (order_operator): New predicate.
14538 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14539 (branch_fp): Rename to...
14540 (*branch_fp): ...this. Remove mode from comparison operator.
14541 Use new mips_output_conditional_branch interface.
14542 (branch_fp_inverted): Rename to...
14543 (*branch_fp_inverted): ...this and update as for *branch_fp.
14544 (*branch_zero<mode>): Rename to...
14545 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14546 Use mips_output_order_conditional_branch. Only accept ordered
14548 (*branch_zero<mode>_inverted): Rename to...
14549 (*branch_order<mode>_inverted): ...this and update as for
14550 *branch_order<mode>.
14551 (*branch_equality<mode>): Accept zero as the second operand to
14552 the equality operator. Use the new mips_output_conditional_branch
14554 (*branch_equality<mode>_inverted): Likewise.
14555 (condjump): New expander.
14556 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14558 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14559 (bc1any2t, bc1any2f): Likewise.
14560 (single_cc): New expander.
14561 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14563 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14565 * doc/md.texi: Update documentation of MIPS constraints.
14566 * config/mips/constraints.md: New file.
14567 * config/mips/mips.md: Include it.
14568 * config/mips/mips.c (mips_char_to_class): Delete.
14569 (override_options): Don't initialize mips_char_to_class.
14570 * config/mips/mips.h (mips_char_to_class): Delete.
14571 (REG_CLASS_FROM_LETTER): Delete.
14572 (CONST_OK_FOR_LETTER_P): Delete.
14573 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14574 (EXTRA_CONSTRAINT_Y): Delete.
14575 (EXTRA_CONSTRAINT_STR): Delete.
14576 (CONSTRAINT_LEN): Delete.
14577 (EXTRA_MEMORY_CONSTRAINT): Delete.
14579 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14581 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14582 original fn's eh regions.
14584 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14586 * fold-const.c (build_range_check): Make sure to use a valid type to
14587 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14590 (range_predecessor): New static function.
14591 (range_successor): Likewise.
14592 (merge_ranges): Use them to compute predecessors and successors of
14595 2006-03-09 Roger Sayle <roger@eyesopen.com>
14597 PR middle-end/26561
14598 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14599 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14601 2006-03-08 DJ Delorie <dj@redhat.com>
14603 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14604 (addpsi3): Expand to include memory operands. Remove
14605 reload-specific splits.
14606 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14607 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14608 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14609 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14610 (shift1_qi, shift1_hi, insv): New.
14611 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14612 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14613 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14615 * config/m32c/m32c-protos.h: Update as needed.
14616 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14617 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14618 Fail for unrecognized R* constraints.
14619 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14620 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14621 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14623 (m32c_init_libfuncs): New.
14624 (m32c_legitimate_address_p): Add debug wrapper.
14625 (m32c_rtx_costs): New.
14626 (m32c_address_cost): New.
14627 (conversions): Add 'B' prefix.
14628 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14629 operands, or word regnames for QI operands. 'B' prints bit
14631 (m32c_expand_setmemhi): New.
14632 (m32c_expand_movmemhi): New.
14633 (m32c_expand_movstr): New.
14634 (m32c_expand_cmpstr): New.
14635 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14636 (m32c_expand_neg_mulpsi3): Handle non-ints.
14637 (m32c_cmp_flg_0): New.
14638 (m32c_expand_movcc): New.
14639 (m32c_expand_insv): New.
14640 (m32c_scc_pattern): New.
14641 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14642 a0/a1 out of SIregs.
14643 (STORE_FLAG_VALUE): New.
14644 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14647 * config/m32c/mov.md: Make constraints more liberal.
14648 (zero_extendqihi2): Optimize r0/r1 case.
14649 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14650 * config/m32c/predicates.md (m32c_any_operand): New.
14651 (m32c_nonimmediate_operand): New.
14652 (m32c_hl_operand): New.
14653 (m32c_r3_operand): New.
14656 (memsym_operand): New.
14657 (memimmed_operand): New.
14658 (a_qi_operand): New.
14659 (m32c_eqne_operator): New.
14660 (m32c_1bit8_operand): New.
14661 (m32c_1bit16_operand): New.
14662 (m32c_1mask8_operand): New.
14663 (m32c_1mask16_operand): New.
14664 * config/m32c/blkmov.md: New file.
14665 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14667 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14669 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14670 unsigned to fix signed/unsigned comparison issue in
14671 DWARF2_FRAME_REG_OUT.
14672 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14673 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14675 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14676 of ptr into the ENABLE_CHECKING section.
14678 2006-03-08 Jeff Law <law@redhat.com>
14680 * tree-vrp.c (infer_value_range): Only count pointer uses
14681 and dereferences if -fdelete-null-pointer-checks is enabled.
14683 * tree-vrp.c (find_assert_locations): Infer value ranges for
14684 single use pointers, but do not create ASSERT_EXPRs for them.
14685 When a non-null range is inferred for a pointer, backwards
14686 propagate that range to other equivalent pointers through the
14689 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14692 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14693 language hook targets.
14694 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14695 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14696 if language hook targets were missing.
14698 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14700 * tree-ssa-opfinalize.h: Removed.
14701 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14703 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14704 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14705 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14706 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14707 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14708 finalize_ssa_v_must_def_ops): New.
14710 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14712 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14713 block as parameter.
14715 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14717 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14719 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14720 addresses with offsets; reorganize.
14722 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14723 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14724 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14726 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14729 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14731 2006-03-08 Ben Elliston <bje@au.ibm.com>
14733 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14735 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14738 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14741 2006-03-07 Richard Guenther <rguenther@suse.de>
14743 PR tree-optimization/26587
14744 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14746 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14748 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14750 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14752 * hooks.c (hook_bool_mode_rtx_true): New function.
14753 * hooks.h (hook_bool_mode_rtx_true): Declare.
14754 * toplev.c (compile_file): Call output_shared_constant_pool.
14755 * varasm.c (shared_constant_pool): New variable.
14756 (assemble_start_function, assemble_end_function): Remove arguments
14757 from call to output_constant_pool.
14758 (create_constant_pool): New function, split out from...
14759 (init_varasm_status): ...here.
14760 (force_const_mem): Choose between the shared and per-function constant
14761 pools. Set current_function_uses_const_pool when reusing old entries
14762 as well as when creating new ones.
14763 (mark_constant): Ignore data argument.
14764 (mark_constants): Remove pool argument.
14765 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14766 to decide whether the function uses a constant pool.
14767 (output_constant_pool_contents): New function, split out from...
14768 (output_constant_pool): ...here.
14769 (output_shared_constant_pool): New function.
14770 (init_varasm_once): Initialize shared_constant_pool.
14771 * output.h (output_constant_pool): Delete.
14772 (output_shared_constant_pool): Declare.
14773 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14774 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14776 2006-03-06 Nick Clifton <nickc@redhat.com>
14778 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14779 flag_strength_reduce.
14781 2006-03-06 Ben Elliston <bje@au.ibm.com>
14783 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14784 x86_64-*-linux* configurations.
14786 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14787 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14789 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14791 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14793 * basic-block.h: Remove the extern for
14794 rediscover_loops_after_threading.
14796 * cfgloop.c (cancel_loop): Make it static.
14797 * cfgloop.h: Remove the prototype for cancel_loop.
14799 * flow.c (recompute_reg_usage): Make it static.
14800 * rtl.h: Remove the prototype for recompute_reg_usage.
14802 * function.c (use_return_register): Make it static.
14803 * function.h: Remove the prototype.
14805 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14807 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14809 * recog.h: Remove the prototype for
14810 validate_change_maybe_volatile.
14812 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14814 * rtlanal.c (replace_reg): Remove.
14815 * rtl.h: Remove the prototype for replace_reg.
14817 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14819 * regclass.c (reg_scan_update): Remove.
14820 (reg_scan_mark_refs): Remove the last argument.
14821 * rtl.h: Remove the prototype for reg_scan_update.
14823 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14825 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14826 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14827 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14828 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14829 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14830 loop-invariant.c, omp-low.c, opts.c, passes.c,
14831 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14832 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14833 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14834 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14835 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14836 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14838 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14840 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14841 * dwarf2out.h: Remove the prototype for
14842 dwarf2out_add_library_unit_info.
14844 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14846 * tree.c (add_var_to_bind_expr): Remove.
14847 * tree.h: Remove the prototype for add_var_to_bind_expr.
14849 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14851 * regclass.c (n_non_fixed_regs): Remove.
14852 (init_reg_sets_1, globalize_reg): Remove all uses of
14854 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14858 * rtlanal.c (insns_safe_to_move_p): Remove.
14859 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14863 * expmed.c (expand_mult_add): Remove.
14864 * expr.h: Remove the prototype for expand_mult_add.
14866 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14868 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14869 and REG_SAVED_VAL_EXP constants.
14870 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14871 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14872 Handle regs stored by value.
14873 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14874 (execute_cfa_program): Handle DW_CFA_val_offset,
14875 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14876 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14877 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14878 (uw_install_context_1): Handle target regs stored by value.
14880 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14882 * tree-sra.c (tree_sra): Return todoflags;
14883 (generate_one_element): Set TODO_update_smt_usage if needed.
14884 (pass_sra): Remove TODO_update_smt_usage.
14885 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14887 (tree_ssa_forward_propagate_single_use_vars): Return
14888 TODO_update_smt_usage if we need to update SMT usage.
14889 (pass_forwprop): Remove TODO_update_smt_usage.
14891 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14893 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14894 (correct_use_link): Remove reference to get_stmt_operands.
14895 (update_stmt_operands): Likewise.
14896 (get_modify_expr_operands): New function factored out of
14897 parse_ssa_operands and get_expr_operands.
14898 Try to create V_MUST_DEFs for LHS by default.
14899 (get_expr_operands) <case MODIFY_EXPR>: Call
14900 get_modify_expr_operands.
14901 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14902 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14903 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14904 get_modify_expr_operands.
14906 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14908 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14909 * tree-flow.h: Remove the prototype for
14910 referenced_var_lookup_if_exists.
14912 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14914 PR rtl-optimization/26345
14916 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14918 2006-03-03 Roger Sayle <roger@eyesopen.com>
14920 PR tree-optimization/26524
14921 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14922 fold_convert to create a constant of the appropriate type.
14924 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14926 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14927 SYMBOL_REF_IN_BLOCK_P.
14928 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14929 of SYMBOL_FLAG_IN_BLOCK.
14930 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14931 instead of SYMBOL_REF_IN_BLOCK_P.
14932 * explow.c (use_anchored_address): Likewise.
14933 * rtl.c (rtx_size): Likewise.
14934 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14935 instead of SYMBOL_FLAG_IN_BLOCK.
14936 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14937 SYMBOL_REF_IN_BLOCK_P.
14938 (assemble_variable): Likewise.
14939 (output_constant_def_contents): Likewise.
14940 (output_constant_pool): Likewise.
14941 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14942 instead of SYMBOL_FLAG_IN_BLOCK.
14943 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14944 SYMBOL_REF_IN_BLOCK_P.
14945 (SYMBOL_REF_BLOCK): Likewise.
14946 (SYMBOL_REF_OFFSET): Likewise.
14947 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14948 SYMBOL_REF_IN_BLOCK_P.
14949 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14950 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14951 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14952 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14954 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14956 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14958 2006-03-02 Roger Sayle <roger@eyesopen.com>
14960 * simplify-rtx.c (simplify_unary_operation): When simplifying
14961 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14962 that we perform the right shift in the appropriate mode, and
14963 then extend or truncate the result to requested mode.
14965 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14967 * gengtype.c (main): Handle double_int type.
14968 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14969 * double-int.c: New file.
14970 * double-int.h: New file.
14971 * system.h: Include doubleint.h.
14972 * Makefile.in (SYSTEM_H): Include double-int.h.
14973 (double-int.o): Add.
14975 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14978 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14981 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14983 * tree-vrp.c (remove_range_assertions): Do not update statements
14986 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14988 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14990 * gcse.c (rest_of_handle_gcse): Ditto.
14991 * except.c (gate_handle_eh): Ditto.
14992 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14993 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14995 2006-03-02 Eric Christopher <echristo@apple.com>
14997 * config/i386/i386.c (machopic_output_stub): Add indirection to
15000 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15004 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15006 Sun Niagara specific optimizations.
15007 * config.gcc: Recognize niagara as target.
15008 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15009 (TARGET_CPU_niagara): Define.
15010 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15011 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15012 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15013 (ASM_CPU_SPEC): Likewise.
15014 (PROCESSOR_NIAGARA): New enum entry.
15015 (REGISTER_MOVE_COST): Handle Niagara.
15016 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15017 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15018 (sparc_override_options): Recognize "niagara", set appropriate
15019 default MASK_* values for it, and align functions to 32-bytes
15020 by default just like ULTRASPARC/ULTRASPARC3.
15021 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15022 (sparc64_initialize_trampoline): Likewise.
15023 (sparc_use_sched_lookahead): Use zero for niagara.
15024 (sparc_issue_rate): Use one for niagara.
15025 * config/sparc/niagara.md: New file.
15026 * config/sparc/sparc.md: Include it.
15027 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15028 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15029 when default cpu is niagara.
15030 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15031 (ASM_CPU_SPEC): Likewise.
15032 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15033 when default cpu is niagara.
15034 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15035 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15036 just like v9/ultrasparc/ultrasparc3.
15037 * doc/invoke.texi: Add documentation for "niagara" and improve
15038 existing documentation for ultrasparc variants.
15040 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15042 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15044 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15046 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15047 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15048 and say that only one is needed.
15049 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15050 * target.h (have_switchable_bss_sections): New hook.
15051 * explow.c (use_anchored_address): Check that the symbol is in a block.
15052 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15053 (bss_noswitch_section): New variables.
15054 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15055 (get_noswitch_section): New function.
15056 (get_block_for_section): Allow SECT to be null.
15057 (unlikely_text_section_p): Use SECTION_STYLE.
15058 (bss_initializer_p): New function.
15059 (get_variable_section): Move earlier in file. Take a new argument,
15060 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15061 Return one of the new *_sections in such cases.
15062 (get_block_for_decl): New function, extracting some logic from
15063 use_blocks_for_decl_p.
15064 (change_symbol_section): Remove in favor of...
15065 (change_symbol_block): ...this new function.
15066 (use_blocks_for_decl_p): Remove checks now performed by
15067 get_block_for_decl.
15068 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15069 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15070 (emit_local, emit_bss, emit_common): ...these new functions.
15071 Return true if the alignment was honored.
15072 (emit_tls_common): New function.
15073 (asm_emit_uninitialised): Delete.
15074 (assemble_variable_noswitch): New function, split out from...
15075 (assemble_variable): ...here. Don't make decisions about common
15076 variables here. Globalize all public decls that go into non-common
15077 sections. Check whether SYMBOL_REF_BLOCK is null.
15078 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15079 (output_constant_pool): Likewise.
15080 (init_varasm_once): Initialize the new section variables.
15081 (have_global_bss_p): New function.
15082 (categorize_decl_for_section): Use bss_initializer_p.
15083 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15084 (place_block_symbol): Assert that the symbol must be in a block.
15085 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15086 (TARGET_INITIALIZER): Include it.
15087 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15088 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15089 (SECTION_MACH_DEP): Bump by two.
15090 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15091 (unnamed_section): Mention SECTION_UNNAMED in comment.
15092 (named_section): Likewise SECTION_NAMED.
15093 (noswitch_section_callback): New type.
15094 (noswitch_section): New structure.
15095 (section): Add a noswitch_section alternative.
15096 (SECTION_STYLE): New macro.
15097 (tls_comm_section, comm_section, lcomm_section): Declare.
15098 (bss_noswitch_section, have_global_bss_p): Declare.
15099 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15100 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15102 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15103 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15106 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15108 * tree-vrp.c (execute_vrp): Return value.
15109 * regrename.c (rest_of_handle_regrename): Ditto.
15110 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15111 * tree-complex.c (tree_lower_complex): Ditto.
15112 (tree_lower_complex_O0): Ditto.
15113 * tracer.c (rest_of_handle_tracer): Ditto.
15114 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15115 * postreload.c (rest_of_handle_postreload): Ditto.
15116 * tree-tailcall.c (execute_tail_recursion): Ditto.
15117 (execute_tail_calls): Ditto.
15118 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15119 * tree.h (init_function_for_compilation): Ditto.
15120 * ipa-cp.c (ipcp_driver): Ditto.
15121 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15122 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15123 * final.c (compute_alignments): Ditto.
15124 (rest_of_handle_final): Ditto.
15125 (rest_of_handle_shorten_branches): Ditto.
15126 (rest_of_clean_state): Ditto.
15127 * omp-low.c (execute_expand_omp): Ditto.
15128 (execute_lower_omp): Ditto.
15129 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15130 * ipa-reference.c (static_execute): Ditto.
15131 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15132 * reorg.c (rest_of_handle_delay_slots): Ditto.
15133 (rest_of_handle_machine_reorg): Ditto.
15134 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15135 * flow.c (recompute_reg_usage): Ditto.
15136 (rest_of_handle_remove_death_notes): Ditto.
15137 (rest_of_handle_life): Ditto.
15138 (rest_of_handle_flow2): Ditto.
15139 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15140 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15141 (do_ssa_store_ccp): Ditto.
15142 (execute_fold_all_builtins): Ditto.
15143 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15144 * modulo-sched.c (rest_of_handle_sms): Ditto.
15145 * ipa-pure-const.c (static_execute): Ditto.
15146 * cse.c (rest_of_handle_cse): Ditto.
15147 (rest_of_handle_cse2): Ditto.
15148 * web.c (rest_of_handle_web): Ditto.
15149 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15150 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15151 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15152 * tree-nrv.c (tree_nrv): Ditto.
15153 (execute_return_slot_opt): Ditto.
15154 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15155 (create_structure_vars): Ditto.
15156 * loop-init.c (rtl_loop_init): Ditto.
15157 (rtl_loop_done): Ditto.
15158 (rtl_move_loop_invariants): Ditto.
15159 (rtl_unswitch): Ditto.
15160 (rtl_unroll_and_peel_loops): Ditto.
15161 (rtl_doloop): Ditto.
15162 * gimple-low.c (lower_function_body): Ditto.
15163 (mark_used_blocks): Ditto.
15164 * tree-ssa-sink.c (execute_sink_code): Ditto.
15165 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15166 (cgraph_early_inlining): Ditto.
15167 * global.c (rest_of_handle_global_alloc): Ditto.
15168 * jump.c (cleanup_barriers): Ditto.
15169 (purge_line_number_notes): Ditto.
15170 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15171 (rest_of_handle_if_after_reload): Ditto.
15172 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15173 (tree_ssa_loop_im): Ditto.
15174 (tree_ssa_loop_unswitch): Ditto.
15175 (tree_vectorize): Ditto.
15176 (tree_linear_transform): Ditto.
15177 (tree_ssa_loop_ivcanon): Ditto.
15178 (tree_ssa_empty_loop): Ditto.
15179 (tree_ssa_loop_bounds): Ditto.
15180 (tree_complete_unroll): Ditto.
15181 (tree_ssa_loop_prefetch): Ditto.
15182 (tree_ssa_loop_ivopts): Ditto.
15183 (tree_ssa_loop_done): Ditto.
15184 * predict.c (tree_estimate_probability): Ditto.
15185 * recog.c (split_all_insns_noflow): Ditto.
15186 (rest_of_handle_peephole2): Ditto.
15187 (rest_of_handle_split_all_insns): Ditto.
15188 * tree-eh.c (lower_eh_constructs): Ditto.
15189 * regmove.c (rest_of_handle_regmove): Ditto.
15190 (rest_of_handle_stack_adjustments): Ditto.
15191 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15192 * function.c (instantiate_virtual_regs): Ditto.
15193 (init_function_for_compilation): Ditto.
15194 (rest_of_handle_check_leaf_regs): Ditto.
15195 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15196 (rest_of_handle_gcse): Ditto.
15197 * ipa-type-escape.c (type_escape_execute): Ditto.
15198 * alias.c (rest_of_handle_cfg): Ditto.
15199 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15200 * profile.c (rest_of_handle_branch_prob): Ditto.
15201 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15202 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15203 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15204 * tree-dfa.c (find_referenced_vars): Ditto.
15205 * except.c (set_nothrow_function_flags): Ditto.
15206 (convert_to_eh_region_ranges): Ditto.
15207 (rest_of_handle_eh): Ditto.
15208 * emit-rtl.c (unshare_all_rtl): Ditto.
15209 (remove_unnecessary_notes): Ditto.
15210 * except.h (set_nothrow_function_flags): Ditto.
15211 (convert_to_eh_region_ranges): Ditto.
15212 * cfgexpand.c (tree_expand_cfg): Ditto.
15213 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15214 * tree-ssa-pre.c (do_pre): Ditto.
15215 (execute_fre): Ditto.
15216 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15217 (rest_of_handle_jump2): Ditto.
15218 * tree-sra.c (tree_sra): Ditto.
15219 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15220 (execute_mudflap_function_decls): Ditto.
15221 * tree-ssa-copy.c (do_copy_prop): Ditto.
15222 (do_store_copy_prop): Ditto.
15223 * ipa-prop.h (ipcp_driver): Ditto.
15224 * cfglayout.c (insn_locators_initialize): Ditto.
15225 * tree-ssa-forwprop.c
15226 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15227 * cfglayout.h (insn_locators_initialize): Ditto.
15228 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15229 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15230 (execute_late_warn_uninitialized): Ditto.
15231 * rtl.h (cleanup_barriers): Ditto.
15232 (split_all_insns_noflow): Ditto.
15233 (purge_line_number_notes): Ditto.
15234 (unshare_all_rtl): Ditto.
15235 (remove_unnecessary_notes): Ditto.
15236 (recompute_reg_usage): Ditto.
15237 (variable_tracking_main): Ditto.
15238 * integrate.c (emit_initial_value_sets): Ditto.
15239 * integrate.h (emit_initial_value_sets): Ditto.
15240 * tree-optimize.c (execute_free_datastructures): Ditto
15241 (execute_free_cfg_annotations): Ditto.
15242 (execute_fixup_cfg): Ditto.
15243 (execute_cleanup_cfg_pre_ipa): Ditto.
15244 (execute_cleanup_cfg_post_optimizing): Ditto.
15245 (execute_init_datastructures): Ditto.
15246 * tree-object-size.c (compute_object_sizes): Ditto.
15247 * combine.c (rest_of_handle_combine): Ditto.
15248 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15249 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15250 (rest_of_handle_reorder_blocks): Ditto.
15251 (rest_of_handle_partition_blocks): Ditto.
15252 * var-tracking.c (variable_tracking_main): Ditto.
15253 * tree-profile.c (tree_profiling): Ditto.
15254 * tree-vect-generic.c (expand_vector_operations): Ditto.
15255 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15256 * sched-rgn.c (rest_of_handle_sched): Ditto.
15257 (rest_of_handle_sched2): Ditto.
15258 * basic-block.h (free_bb_insn): Ditto.
15259 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15260 * tree-cfg.c (execute_build_cfg): Ditto.
15261 (remove_useless_stmts): Ditto.
15262 (split_critical_edges): Ditto.
15263 (execute_warn_function_return): Ditto.
15264 (execute_warn_function_noreturn): Ditto.
15265 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15266 * cfgrtl.c (free_bb_for_insn): Ditto.
15267 * passes.c (execute_one_pass): Run additional
15268 todos returned by execute function.
15269 * tree-pass.h (struct tree_opt_pass): Make execute
15272 2006-03-02 Richard Guenther <rguenther@suse.de>
15274 * tree-ssa-alias.c (find_used_portions): Consider taking
15275 the address as making the variable not write-only.
15277 2006-03-02 Nick Clifton <nickc@redhat.com>
15279 * config.gcc (default_use_cxa_atexit): Extend the description of
15280 this configure variable. Set its default value to "yes" for
15281 Linux, NetBSD and ELF targets on the assumption that they will
15282 use C libraries with the __cxa_atexit function.
15284 2006-03-02 Ben Elliston <bje@au.ibm.com>
15286 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15287 parameter as unused to suppress a build warning.
15289 2006-03-02 Ben Elliston <bje@au.ibm.com>
15291 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15294 2006-03-01 Roger Sayle <roger@eyesopen.com>
15297 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15298 declared name, the weak reference name, and the typeof name.
15299 (__gthrw): Avoid expanding the declared name suffix.
15300 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15302 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15304 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15306 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15307 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15308 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15309 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15310 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15311 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15312 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15313 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15314 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15315 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15316 (DW_END_default, DW_END_big, DW_END_little): New.
15317 (DW_END_lo_user, DW_END_hi_user): Define.
15318 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15319 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15320 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15323 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15325 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15327 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15329 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15331 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15333 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15334 to 'symbol_mem_tag'.
15336 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15339 2006-03-01 Roger Sayle <roger@eyesopen.com>
15341 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15343 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15346 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15347 MACHO_DYNAMIC_NO_PIC_P.
15348 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15350 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15353 * config/darwin-protos.h (darwin_asm_output_anchor):
15355 * config/darwin-sections.def (cstring_section):
15356 Add SECTION_MERGE to the flags.
15357 (literal4_section): Likewise.
15358 (literal8_section): Likewise.
15359 (objc_selector_refs_section): Likewise.
15360 (objc_cls_refs_section): Likewise.
15361 * config/darwin.c (darwin_asm_output_anchor): New
15363 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15365 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15367 Fix PR tree-optimization/26443
15368 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15369 to todo and PROP_tmt_usage to properties_destroyed.
15370 * tree-ssa-ccp.c (pass_ccp): Ditto.
15371 (pass_store_ccp): Ditto.
15372 * tree-ssa-dom.c (pass_dominator): Ditto.
15374 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15376 * tree-ssa-operands.c: Cleanup whitespace.
15377 (get_asm_expr_operands): Move before first invocation.
15378 (get_indirect_ref_operands): Likewise.
15379 (get_tmr_operands): Likewise.
15380 (get_call_expr_operands): Likewise.
15381 (append_def): Likewise.
15382 (append_use): Likewise.
15383 (append_v_may_def): Likewise.
15384 (append_v_must_def): Likewise.
15385 (add_call_clobber_ops): Likewise.
15386 (add_call_read_ops): Likewise.
15387 (add_stmt_operand): Likewise.
15388 (add_virtual_operand): Likewise.
15389 (build_ssa_operands): Likewise.
15391 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15393 PR middle-end/26022
15395 PR middle-end/24437
15396 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15397 with a call expr to ...
15398 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15400 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15402 * tree-vrp.c (extract_range_from_assert): Remove special
15403 handling for types with super-types.
15405 2006-03-01 Ben Elliston <bje@au.ibm.com>
15407 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15408 and powerpc64-*-linux* configurations.
15409 * config/t-dfprules: New file.
15411 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15412 Compile dfp-bit.c from the source directory using -DWIDTH and
15413 $DFP_CFLAGS to control the compilation of that file, rather than
15414 generating width-specific versions in the build directory.
15415 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15416 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15418 2006-02-28 Zack Weinberg <zackw@panix.com>
15420 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15423 2006-02-28 Eric Christopher <echristo@apple.com>
15425 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15426 Set up IN_LIBGCC definition of TARGET_64BIT.
15427 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15429 2006-02-28 Roger Sayle <roger@eyesopen.com>
15431 PR middle-end/14752
15432 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15433 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15434 cases via the construction of "expr != 0".
15436 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15438 * alias.c (alias_invariant, alias_invariant_size): Remove.
15439 (record_base_value): Remove.
15440 (memrefs_conflict_p): Don't look at alias_invariant.
15441 (end_alias_analysis): Don't free it.
15442 * alias.h (record_base_value): Remove prototype.
15444 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15445 Adam Nemet <anemet@caviumnetworks.com>
15447 * rtl.h (truncated_to_mode): Declare it.
15448 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15449 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15450 (RTL_HOOKS_INITIALIZER): Include it.
15451 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15452 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15453 reg_truncated_to_mode.
15454 * rtlanal.c (truncated_to_mode): Define it.
15455 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15457 2006-02-28 Jeff Law <law@redhat.com>
15459 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15460 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15461 the range allowed by TYPE_PRECISION.
15463 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15465 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15467 PR tree-optimization/26419
15468 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15471 2006-02-27 Zack Weinberg <zackw@panix.com>
15473 * doc/md.texi: Fix typo in previous change.
15475 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15479 2006-02-27 Zack Weinberg <zackw@panix.com>
15481 * rtl.def (define_constraint, define_register_constraint)
15482 (define_memory_constraint, define_address_constraint): New MD forms.
15483 * gensupport.c (process_rtx): Put define_constraint etc on the
15485 * genpreds.c (process_define_predicate): Adjust comment. Validate
15486 the name, and call validate_exp to validate the expression.
15487 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15488 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15489 all callers changed.
15490 (validate_exp, needs_variable, struct constraint_data)
15491 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15492 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15493 (const_dbl_constraints, constraint_max_namelen)
15494 (have_register_constraints, have_memory_constraints)
15495 (have_address_constraints, have_address_constraints)
15496 (have_extra_constraints, have_const_int_constraints)
15497 (have_const_dbl_constraints, mangle, add_constraint)
15498 (process_define_constraint, process_define_register_constraint)
15499 (write_enum_constraint_num, write_lookup_constraint)
15500 (write_insn_constraint_len, write_regclass_for_constraint)
15501 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15502 (write_insn_extra_memory_constraint)
15503 (write_insn_extra_address_constraint)
15504 (write_satisfies_constraint_fns): New.
15505 (write_tm_preds_h): If we have new-style constraint definitions,
15506 prototype the functions generated from them, and define the
15507 old constraint interface (still used by generic code) in terms of
15509 (write_insn_preds_c): If we have new-style constraint definitions,
15510 generate all relevant functions from those definitions.
15511 (main): Handle define_constraint etc.
15512 * genoutput.c (struct constraint_data, indep_constraints)
15513 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15514 (mdep_constraint_len): New data structures and functions, defined
15515 #ifdef USE_MD_CONSTRAINTS.
15516 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15517 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15518 use new logic to validate operand constraints against constraint
15520 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15522 * defaults.h: If none of the old-style constraint macros are
15523 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15524 old-style macros; and poison REG_CLASS_FROM_LETTER,
15525 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15527 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15528 * doc/md.texi: Document new constraint-definition mechanism and the
15529 C interface it provides. Remove references to old mechanism
15530 elsewhere in the document.
15531 (Machine Constraints): Use pathnames relative to gcc directory,
15532 i.e. config/ARCH/FILE. Change i386 section to refer to
15533 config/i386/predicates.md; update that section to match docstrings.
15534 * doc/tm.texi: Move all documentation of the old constraint-
15535 definition macros to their own section, clearly mark as obsolete.
15537 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15538 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15540 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15541 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15542 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15543 constraint strings.
15544 (splits and peepholes): Use satisfies_constraint_*.
15545 * config/i386/i386.c (memory_address_length)
15546 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15548 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15550 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15551 scalar operation to be put back into the loop.
15553 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15556 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15557 (extract_cie_info): Handle S flag in augmentation string.
15558 (execute_cfa_program): If context->signal_frame, execute also
15559 fs->pc == context->ra instructions.
15560 (uw_frame_state_for): If context->signal_frame, don't subtract one
15561 from context->ra to find FDE.
15562 (uw_update_context_1): Set context->signal_frame to
15564 (_Unwind_GetIPInfo): New function.
15565 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15566 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15568 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15569 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15570 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15571 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15572 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15573 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15574 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15575 x86_64_fallback_frame_state): Set fs->signal_frame.
15576 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15577 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15578 (frob_update_context): Likewise. Workaround missing S flag in
15579 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15580 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15581 Remove the psw_addr + 1 hack.
15583 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15585 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15586 with aggregates here.
15587 (find_func_aliases): Remove code for &<aggregate> from here.
15589 2006-02-26 Roger Sayle <roger@eyesopen.com>
15591 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15592 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15593 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15594 as (X & C) ne/eq 0.
15596 2006-02-26 Roger Sayle <roger@eyesopen.com>
15598 PR middle-end/19983
15599 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15601 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15603 * opts.c (decode_options): Do not handle flag_strength_reduce.
15604 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15605 and OPT_fstrength_reduce.
15606 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15607 flag_prefetch_loop_arrays for being nonzero.
15608 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15610 (fprefetch-loop-arrays-rtl): Removed.
15611 (flag_prefetch_loop_arrays): Do not specify the value.
15613 * doc/passes.texi: Update documentation of loop optimizer
15615 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15616 -frerun-loop-opt): Remove.
15618 2006-02-26 Richard Guenther <rguenther@suse.de>
15620 PR tree-optimization/26421
15621 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15622 in function calls that are ADDR_EXPRs as using the whole structure.
15624 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15626 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15627 * tree-pass.h (pass_loop_optimize): Remove.
15628 * passes.c (pass_loop_optimize): Never run it.
15629 * toplev.c (backend_init): Don't call init_loop.
15630 * opts.c (flag_loop_optimize_set): Remove.
15631 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15632 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15633 the old RTL loop optimizer when profiling enabled.
15634 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15635 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15636 pre-headers for the sake of the old RTL loop optimizer.
15637 * Makefile.in: Remove all references to loop.o.
15639 * doc/invoke.texi: Remove all references to -floop-optimize
15640 and -frerun-loop-opt.
15642 2006-02-26 Zack Weinberg <zackw@panix.com>
15644 * doc/md.texi (Machine Constraints): Refer to all files with paths
15645 relative to gcc directory (i.e. config/CPU/file). Add missing
15646 @table @code ... @end table to M32C subsection.
15648 2006-02-26 Roger Sayle <roger@eyesopen.com>
15650 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15652 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15654 2006-02-26 Roger Sayle <roger@eyesopen.com>
15655 James A. Morrison <phython@gcc.gnu.org>
15657 PR middle-end/21137
15658 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15659 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15660 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15661 signedness of the shift operation.
15663 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15665 PR tree-optimization/26359
15666 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15668 2006-02-25 Roger Sayle <roger@eyesopen.com>
15670 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15671 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15672 as X == 0, and some symmetry related transformations.
15673 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15675 2006-02-25 Roger Sayle <roger@eyesopen.com>
15677 PR middle-end/23673
15678 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15679 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15680 symmetry related transformations. Fold (X^C1) == C2 as
15683 2006-02-25 Juergen Weigert <jw@suse.de>
15684 Richard Guenther <rguenther@suse.de>
15686 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15688 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15690 * combine.c (gen_lowpart_or_truncate): Call
15691 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15693 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15695 * doc/invoke.texi: Move -fopenmp description to "Options for
15697 Remove reference to -lgomp.
15699 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15701 * doc/install.texi: Require GNU tar version 1.14.
15703 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15705 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15706 * doc/invoke.texi (C++ Dialect Options): Document
15707 -fno-use-cxa-get-exception-ptr.
15708 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15709 * configure: Regenerate.
15710 * c.opt (fuse-cxa-get-exception-ptr): New.
15711 * c-opts.c (c_common_handle_option): Handle
15712 OPT_fuse_cxa_get_exception_ptr.
15713 * c-common.c (flag_use_cxa_atexit): Update documentation.
15714 (flag_use_cxa_get_exception_ptr): New.
15715 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15716 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15718 (C_COMMON_OVERRIDE_OPTIONS): New.
15720 2006-02-24 Roger Sayle <roger@eyesopen.com>
15722 PR middle-end/24952
15723 * combine.c (try_combine): Explicitly check whether GET_CODE is
15724 a SET or a CLOBBER, instead on checking that it isn't a USE.
15726 2006-02-24 Roger Sayle <roger@eyesopen.com>
15728 * fold-const.c (fold_comparison): New subroutine of fold_binary
15729 containing transformations common to both the equality and
15730 ordering relational operators, factored out of fold_binary.
15731 (fold_binary): Separate out the equality operators (EQ_EXPR
15732 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15733 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15734 transformations common to both.
15735 (fold_div_compare): Fix latent bugs in the previously unreachable
15736 LT_EXPR and GE_EXPR cases.
15738 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15740 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15741 decl libname for clog to __clog on AIX.
15743 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15745 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15748 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15749 output traceback table for thunks. Localise rs6000_stack_info call.
15751 2006-02-23 Roger Sayle <roger@eyesopen.com>
15752 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15754 * gthr-posix.h (__gthrw): Fix typo in comment.
15756 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15758 * doc/cpp.texi (Character sets): Document that we do support
15759 input files to be in any character set.
15761 2006-02-23 Jeff Law <law@redhat.com>
15763 * tree.h (PHI_ARG_NONZERO): Remove.
15764 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15765 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15766 node to the new node.
15768 PR tree-optimization/26425
15769 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15770 min/max, then assume its varying.
15772 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15774 PR rtl-optimization/26316
15775 * rtlanal.c (enum may_trap_p_flags): New.
15776 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15777 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15778 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15779 (may_trap_after_code_motion_p): New function.
15780 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15781 (find_invariant_insn): Use may_trap_after_code_motion_p.
15782 * rtl.h (may_trap_after_code_motion_p): Declare.
15784 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15786 * emit-rtl.c (immed_double_const): Cleanup.
15788 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15790 Fix PR tree-optimization/26376
15791 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15794 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15796 PR middle-end/26412
15797 * gimplify.c (omp_add_variable): Guard variable size decl test with
15798 DECL_SIZE (decl) check.
15800 2006-02-23 Richard Guenther <rguenther@suse.de>
15802 PR middle-end/26439
15803 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15804 like aggregate types.
15806 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15808 * configure.ac: Add --with{,out}-long-double-128 configure option.
15809 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15810 * configure: Rebuilt.
15811 * config.in: Rebuilt.
15812 * doc/install.texi (Options specification): Document
15813 --with-long-double-128.
15815 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15816 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15817 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15818 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15820 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15822 * config/s390/s390.c (override_options): Handle
15823 TARGET_DEFAULT_LONG_DOUBLE_128.
15825 * config/alpha/alpha.c (override_options): Handle
15826 TARGET_DEFAULT_LONG_DOUBLE_128.
15828 * config/sparc/sparc.c (sparc_override_options): Handle
15829 TARGET_DEFAULT_LONG_DOUBLE_128.
15831 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15833 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15834 (real-install-headers-tar, real-install-headers-cpio)
15835 (real-install-headers-cp): New targets.
15837 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15839 * tree.h (variable_section): Delete.
15840 * varasm.c (variable_section): Delete.
15842 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15844 * install.texi: Add notes on install.texi2html.
15845 (Building in parallel): Do not use footnotes.
15847 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15850 * doc/install.texi (Configuration): Document --disable-libgomp.
15852 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15854 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15856 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15858 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15859 (vec_extractv2df_0_sse): New.
15861 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15863 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15864 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15865 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15866 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15867 to the result of the expression.
15868 (def_cfa_1): Adjust.
15869 (frame_pointer_cfa_offset): Rename to...
15870 (frame_pointer_fb_offset): ... this. Adjust all uses.
15871 (convert_cfa_to_loc_list): Rename to...
15872 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15873 Pass it on to build_cfa_loc.
15874 (compute_frame_pointer_to_cfa_displacement): Rename to...
15875 (compute_frame_pointer_to_fb_displacement): ... this. New
15876 offset parameter. Use it in computation.
15877 (gen_subprogram_die): Compute cfa_fb_offset with the new
15878 macro, and use it to compute the fb loc list and the
15881 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15883 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15884 replaced with register_operand.
15885 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15886 non-DREG is expensive.
15887 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15888 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15891 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15893 * doc/install.texi2html: Use set -e.
15895 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15897 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15898 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15899 * doc/invoke.texi (-fshared-data): Delete.
15900 * common.opt (fshared-data): Delete.
15901 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15902 (assemble_static_space): Remove #if 0 code.
15903 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15904 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15905 * config/cris/cris.h: Remove FIXME.
15907 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15909 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15912 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15914 PR middle-end/26379
15915 * combine.c (simplify_shift_const_1): Disable nested shifts
15916 optimization for vector shifts.
15918 2006-02-20 Roger Sayle <roger@eyesopen.com>
15920 PR tree-optimization/26361
15921 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15922 of unsigned integer types.
15924 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15926 * tree-chrec.c (eq_evolutions_p): New.
15927 * tree-chrec.h (eq_evolutions_p): Declared.
15928 * tree-data-ref.c: Fix formatting.
15929 (datadep_stats, dependence_stats): New.
15931 (print_direction_vector): New.
15932 (dump_data_dependence_relation): Use print_direction_vector.
15933 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15934 (compute_subscript_distance): Static.
15935 (initialize_data_dependence_relation): Static. Get the number
15936 of loops surrounding the references from the callers, and initialize
15937 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15938 base_object_differ_p analyzers.
15939 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15940 compute_overlap_steps_for_affine_1_2,
15941 analyze_subscript_affine_affine): Count the classified dependences.
15942 Print a message when a test failed.
15943 (can_use_analyze_subscript_affine_affine): New.
15944 (analyze_siv_subscript): Compute the data dependences on symbolic
15945 scevs that verify can_use_analyze_subscript_affine_affine.
15946 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15947 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15948 Handle symbolic scevs.
15949 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15951 (subscript_dependence_tester): Moved...
15952 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15953 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15954 DDR_SIZE_VECT instead of getting it in parameter.
15955 (subscript_dependence_tester): ... here. Take as a parameter
15956 loop_nest_depth. Call build_classic_dist_vector and
15957 build_classic_dir_vector.
15958 (compute_affine_dependence): Update subscript_dependence_tester
15959 parameters. Update datadep_stats counters. Call
15960 compute_subscript_distance.
15961 (compute_self_dependence): Save the dist and dir vectors. Call
15962 compute_subscript_distance.
15963 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15964 (compute_all_dependences): Reorder parameters as they were before
15965 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15966 compute_subscript_distance. Update the use of
15967 compute_affine_dependence and initialize_data_dependence_relation.
15968 (find_data_references_in_loop): Handle COMPONENT_REF.
15969 (compute_data_dependences_for_loop): Initialize dependence_stats.
15970 Don't call build_classic_dist_vector and build_classic_dir_vector.
15971 Update the parameters of initialize_data_dependence_relation and
15972 compute_all_dependences. Print the statistics from datadep_stats.
15973 (analyze_all_data_dependences): Static. Not used until the pass for
15974 checking the data dependences is contributed.
15975 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15976 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15977 (initialize_data_dependence_relation, compute_affine_dependence,
15978 analyze_all_data_dependences, compute_subscript_distance): Removed.
15979 (print_direction_vector): New.
15980 * lambda.h (gcd): ... here.
15981 (lambda_vector_gcd): Moved here from gcd_vector.
15982 * lambda-code.c (gcd, gcd_vector): Removed.
15983 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15984 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15986 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15988 * ipa-type-escape.c: Tidy some comments and white space.
15989 * tree-ssa-operands.c: Likewise.
15991 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15994 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15995 (dump_decl_name): Do not walk the decl tree chains.
15996 * tree-pass.h (TDF_CHAIN): Remove.
15998 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16000 * Makefile.in (C): Remove
16002 (.PHONY): Remove C and PROTO
16004 2006-02-20 Roger Sayle <roger@eyesopen.com>
16006 PR middle-end/26236
16007 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16008 deprecated CHAR_TYPE tree code.
16010 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16012 * configure.ac (target_list): Add install-info, dvi, html.
16013 * configure: Regenerate.
16015 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16016 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16017 treelang/Make-lang.in: Do not use double-colon rules.
16019 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16021 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16022 (TMT_USED_ALONE): New macro.
16023 * tree-pass.h (PROP_tmt_usage): New property.
16024 (TODO_update_tmt_usage): New todo.
16025 * tree-ssa-alias.c (updating_used_alone): New variable.
16026 (recalculate_used_alone): New function.
16027 (compute_may_aliases): Set updating_used_alone, call
16028 recalculate_used_alone.
16029 * tree-sra.c (pass_sra): Note that this pass destroys
16030 PROP_tmt_usage, and add TODO_update_tmt_usage.
16031 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16032 * tree-flow.h (updating_used_alone): Prototype.
16033 (recalculate_used_alone): Ditto.
16034 * passes.c (execute_todo): Add code to set updating_used_alone,
16035 and call recalculate.
16036 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16037 for clobber if used alone, and add assert to verify used_alone
16040 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16042 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16043 for non tls symbols added.
16044 (legitimize_address): Do nothing for PLUS expressions if one of the
16045 addends is a tls symbol reference.
16047 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16051 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16053 * Makefile.in (BOOTSTRAPPING): New.
16054 (quickstrap): New definition if BOOTSTRAPPING=yes.
16056 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16057 * configure.ac: Substitute all_selected_languages with the languages
16058 that were configured. For all the other variables except
16059 lang_specs_files, include all the languages in the tree.
16060 * configure: Regenerate.
16062 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16063 if there is one. Run the commands to run fixincludes in the same
16066 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16067 * doc/install.texi: Document exact conventions for searching target tools.
16068 Document --with-build-time-tools. Document toplevel bootstrap. Document
16069 something more about building an Ada cross-compiler. Don't list GNU Make
16070 requirements which affect all platforms.
16072 2006-02-19 Roger Sayle <roger@eyesopen.com>
16074 PR middle-end/19543
16075 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16076 only equivalent if the have both the same mode and precision.
16078 2006-02-20 Ben Elliston <bje@au.ibm.com>
16080 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16082 2006-02-19 Roger Sayle <roger@eyesopen.com>
16083 Steven Bosscher <stevenb.gcc@gmail.com>
16085 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16086 constant pool references to identify stack mode constants.
16087 * rtlanal.c (constant_pool_constant_p): New predicate to check
16088 whether operand is a floating point constant in the pool.
16089 * rtl.h (constant_pool_constant_p): Prototype here.
16090 * loop.c (scan_loop): Avoid hoisting constants from the constant
16091 pool on STACK_REGS targets.
16092 (load_mems): Likewise.
16093 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16094 loads into x87 registers expensive in terms of register pressure.
16096 2006-02-19 Roger Sayle <roger@eyesopen.com>
16098 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16099 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16101 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16103 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16104 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16106 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16108 * doc/invoke.texi: Document -fipa-pta.
16109 * common.opt: Add ipa-pta option.
16110 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16111 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16112 (do_ds_constraint): Ditto.
16113 (get_constraint_for): Only add to referenced_vars if
16114 referenced_vars exists.
16115 (insert_into_field_list): Rewrite to do this unsorted.
16116 (insert_into_field_list_sorted): Rename old insert_into_field_list
16118 (create_function_info_for): Use insert_into_field_list_sorted.
16119 (create_variable_info_for): Rewrite so it uses unsorted version,
16120 since the field list is sorted.
16121 (intra_create_variable_infos): Only add to referenced_vars if
16122 referenced_vars exists.
16123 (ipa_pta_execute): Init heapvars, and delete when done.
16124 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16126 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16128 * doc/install.texi: Add missing `@samp'.
16130 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16132 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16135 2006-02-18 Mark Wielaard <mark@klomp.org>
16137 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16138 who added new 4.1 features, bug fixes and integration support.
16140 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16143 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16144 MEM for ABI_V4 pic.
16146 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16148 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16149 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16150 (copy_insn_1): Likewise. Don't copy each field individually.
16152 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16154 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16155 * rtl.c (rtx_size): Rename variable to...
16156 (rtx_code_size): ...this.
16157 (rtx_size): New function.
16158 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16159 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16161 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16162 * rtl.h (rtx_code_size): New variable.
16163 (rtx_size): Change from a variable to a function.
16164 (RTX_SIZE): Rename to...
16165 (RTX_CODE_SIZE): ...this.
16168 PR tree-optimization/17106
16169 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16170 (Anchored Addresses): New section.
16171 * doc/invoke.texi (-fsection-anchors): Document.
16172 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16173 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16174 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16175 * hooks.c (hook_bool_mode_rtx_false): New function.
16176 * hooks.h (hook_bool_mode_rtx_false): Declare.
16177 * gengtype.c (create_optional_field): New function.
16178 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16179 SYMBOL_REF_IN_BLOCK_P is true.
16180 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16181 (min_anchor_offset, max_anchor_offset): Likewise.
16182 (use_anchors_for_symbol_p): New hook.
16183 * toplev.c (compile_file): Call output_object_blocks.
16184 (target_supports_section_anchors_p): New function.
16185 (process_options): Check that -fsection-anchors is only used on
16186 targets that support it and when -funit-at-a-time is in effect.
16187 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16188 if the decl doesn't have one.
16189 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16190 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16191 of force_const_mem through use_anchored_address.
16192 (expand_expr_constant): New function.
16193 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16194 calling expand_expr for INDIRECT_REF.
16195 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16196 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16197 * expr.h (use_anchored_address): Declare.
16198 * loop-unroll.c: Don't declare rtx vectors here.
16199 * explow.c: Include output.h.
16200 (validize_mem): Call use_anchored_address.
16201 (use_anchored_address): New function.
16202 * common.opt (-fsection-anchors): New switch.
16203 * varasm.c (object_block_htab, anchor_labelno): New variables.
16204 (hash_section, object_block_entry_eq, object_block_entry_hash)
16205 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16206 (use_blocks_for_decl_p, change_symbol_section): New functions.
16207 (get_variable_section): New function, split out from assemble_variable.
16208 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16209 use_blocks_for_decl_p say so. Use change_symbol_section if the
16210 symbol has already been created.
16211 (assemble_variable_contents): New function, split out from...
16212 (assemble_variable): ...here. Don't output any code for
16213 block symbols; just pass them to place_block_symbol.
16214 Use get_variable_section and assemble_variable_contents.
16215 (get_constant_alignment, get_constant_section, get_constant_size): New
16216 functions, split from output_constant_def_contents.
16217 (build_constant_desc): Create a block symbol if use_object_blocks_p
16218 says so. Or into SYMBOL_REF_FLAGS.
16219 (assemble_constant_contents): New function, split from...
16220 (output_constant_def_contents): ...here. Don't output any code
16221 for block symbols; just pass them to place_section_symbol.
16222 Use get_constant_section and get_constant_alignment.
16223 (force_const_mem): Create a block symbol if use_object_blocks_p and
16224 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16225 (output_constant_pool_1): Add an explicit alignment argument.
16226 Don't switch sections here.
16227 (output_constant_pool): Adjust call to output_constant_pool_1.
16228 Switch sections here instead. Don't output anything for block symbols;
16229 just pass them to place_block_symbol.
16230 (init_varasm_once): Initialize object_block_htab.
16231 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16232 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16233 (place_block_symbol, get_section_anchor, output_object_block)
16234 (output_object_block_htab, output_object_blocks): New functions.
16235 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16236 (TARGET_ASM_OUT): Include it.
16237 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16238 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16239 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16240 (TARGET_INITIALIZER): Include them.
16241 * rtl.c (rtl_check_failed_block_symbol): New function.
16242 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16243 (block_symbol, object_block): New structures.
16244 (rtx_def): Add a block_symbol field to the union.
16245 (BLOCK_SYMBOL_CHECK): New macro.
16246 (rtl_check_failed_block_symbol): Declare.
16247 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16248 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16249 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16250 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16251 * output.h (output_section_symbols): Declare.
16252 (object_block): Name structure.
16253 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16254 (default_use_anchors_for_symbol_p): Declare.
16255 * Makefile.in (RTL_BASE_H): Add vec.h.
16256 (explow.o): Depend on output.h.
16257 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16258 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16259 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16260 (rs6000_use_blocks_for_constant_p): New function.
16262 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16264 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16266 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16269 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16272 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16274 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16278 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16280 PR middle-end/26334
16281 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16282 instead of DECL_REGISTER.
16284 2006-02-18 Olivier Hainque <hainque@adacore.com>
16287 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16289 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16292 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16293 * opth-gen.awk: Handle Var and InverseMask together.
16294 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16295 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16296 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16297 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16299 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16300 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16301 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16302 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16303 LINUX_DYNAMIC_LINKER): Define.
16304 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16305 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16307 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16308 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16309 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16311 (TARGET_C99_FUNCTIONS): Don't define.
16312 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16313 GLIBC_DYNAMIC_LINKER.
16314 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16315 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16316 GLIBC_DYNAMIC_LINKER64): Define.
16317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16318 LINUX_DYNAMIC_LINKER64.
16319 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16320 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16321 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16323 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16325 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16326 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16327 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16329 and LINUX_DYNAMIC_LINKER32.
16330 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16332 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16333 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16334 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16336 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16337 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16338 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16339 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16340 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16341 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16342 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16343 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16344 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16345 LINUX_DYNAMIC_LINKER): Define.
16346 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16347 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16348 GLIBC_DYNAMIC_LINKER64): Define.
16349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16350 LINUX_DYNAMIC_LINKER64.
16351 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16352 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16353 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16354 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16355 LINUX_DYNAMIC_LINKER): Define.
16356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16357 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16358 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16359 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16360 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16361 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16362 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16363 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16364 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16365 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16366 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16367 * doc/invoke.texi (-muclibc): Remove caveat about supported
16370 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16372 * doc/cpp.texi (__TIMESTAMP__): Document.
16374 2006-02-17 Roger Sayle <roger@eyesopen.com>
16376 PR middle-end/25600
16377 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16378 C is one less than the width of X (and related transformations).
16379 * simplify-rtx.c (simplify_unary_operation_1): Transform
16380 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16381 depending on STORE_FLAG_VALUE, were C is one less then the
16384 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16386 Fix PR tree-optimization/26341
16387 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16388 about NAME_MEMORY_TAG's.
16390 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16393 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16394 with hardware float support, and software float support. Add fcpy
16395 alternative to hardware patterns. Add alternatives to copy between
16396 general and floating-point registers to the 32-bit pattern.
16397 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16398 secondary reload to load a QI or HI mode constant into a floating
16400 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16401 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16403 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16406 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16408 (load_macho_picbase_di): Likewise.
16410 2006-02-16 Jeff Law <law@redhat.com>
16412 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16413 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16414 (ssa_name_nonzero_p): Likewise.
16415 (get_value_range): Return NULL if VRP is not running.
16416 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16417 VRP routines do not discover a range.
16418 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16419 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16420 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16421 (tree_expr_nonnegative_p): Similarly.
16422 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16423 (restore_nonzero_vars_to_original_value): Remove.
16424 (unsafe_associative_fp_binop): Remove.
16425 (tree_ssa_dominator_optimize): Remove initialization and
16426 finalization of nonzero_vars and nonzero_vars_stack.
16427 (dom_opt_initialize_block): No longer push marker on
16428 nonzero_vars_stack.
16429 (dom_opt_finalize_block): No longer call
16430 restore_nonzero_vars_to_original_value.
16431 (record_equivalences_from_phis): No longer look for
16432 nonzero PHI arguments.
16433 (cprop_into_successor_phis): No longer propagate nonzero
16434 property into PHI arguments. Lose unused argument. Caller
16436 (record_equivalences_from_stmt): No longer record nonzero
16437 values for SSA_NAMEs.
16438 (lookup_avail_expr): No longer use nonzero_vars.
16440 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16441 for sizetype when sizetype is unsigned.
16443 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16445 PR rtl-optimization/25603
16446 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16447 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16448 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16449 with new meaning of SETS.
16451 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16456 * config/linux.opt: New file.
16457 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16458 LINUX_DYNAMIC_LINKER): Define.
16459 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16460 * config.gcc (*-*-linux*): Define extra_options.
16461 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16462 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16463 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16464 GLIBC_DYNAMIC_LINKER.
16465 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16466 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16467 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16469 * doc/invoke.texi (GNU/Linux Options): New section.
16471 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16473 * config/sparc/sparc.md (setjmp): Rewrite.
16474 (setjmp_32): Delete.
16475 (setjmp_64): Likewise.
16477 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16479 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16482 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16484 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16487 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16489 PR rtl-optimization/26296
16490 * Makefile.in (loop-invariant.c): Add except.h dependency.
16491 * loop-invariant.c: Include except.h.
16492 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16494 2005-02-16 Paul Brook <paul@codesourcery.com>
16496 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16499 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16501 PR rtl-optimization/25636
16502 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16503 when deciding whether an insn is an initializing insn.
16505 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16507 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16508 (tree_code_size): Ditto.
16509 * tree.h (struct tree_memory_tag): Remove parent_var.
16510 (struct tree_struct_field_tag): New.
16513 (union tree_node): Add sft member.
16514 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16516 (create_sft): Add size and offset argument, set SFT_OFFSET and
16518 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16519 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16520 * tree-flow-inline.h (get_subvar_at): Update for
16521 SFT_OFFSET/SFT_SIZE.
16522 (var_can_have_subvars): Ditto.
16523 (overlap_subvar): Ditto.
16524 * print-tree.c (print_node): Print out interesting things for
16526 * tree-flow.h (struct subvar): Remove offset and size members.
16527 * tree-ssa-operands.c (get_expr_operands): Update for
16528 get_indirect_ref_operands changes.
16529 (get_indirect_ref_operands): Call add_virtual_operand instead of
16530 add_stmt_operand. Only recurse on base var if requested.
16531 (access_can_touch_variable): New function.
16532 (add_stmt_operand): Split virtual operand handling into ...
16533 (add_virtual_operand): Here. Add offset, size, and for_clobber
16534 arguments. Prune alias sets.
16535 (add_call_clobber_ops): Call add_virtual_operand.
16537 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16539 PR middle-end/26300
16540 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16542 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16543 than TREE_CODE as index into omp_clause_num_ops array.
16545 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16547 PR rtl-optimization/26184
16548 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16550 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16551 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16552 must_precede, must_follow and tobe_scheduled.
16555 * opts.c (common_handle_option): Free new_option pointer.
16556 * df-core.c (df_analyze): Free postorder pointer.
16558 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16560 * Makefile.in: Fix the examples about the use of stamps
16562 2006-02-15 Michael Matz <matz@suse.de>
16564 PR middle-end/22275
16566 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16567 influenced by maximum_field_alignment or DECL_PACKED.
16568 (update_alignment_for_field): Ditto.
16569 (place_field): Ditto.
16570 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16573 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16575 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16576 (debug_flow_info): Pass it.
16577 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16578 * bb-reorder.c (reorder_basic_blocks): Likewise.
16579 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16580 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16581 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16582 * gcse.c (gcse_main, bypass_jumps): Likewise.
16583 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16584 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16585 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16586 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16587 * rtl.h (dump_flow_info): Adjust prototype.
16588 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16589 * var-tracking.c (variable_tracking_main): Likewise.
16590 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16591 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16594 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16596 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16599 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16601 PR tree-optimization/26209
16602 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16603 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16605 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16607 2006-02-14 Roger Sayle <roger@eyesopen.com>
16609 PR middle-end/23670
16610 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16611 (X,Y) and the corresponding symmetry related transformations.
16612 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16613 (X,Y) and its symmetry related transformations.
16615 2006-02-14 Roger Sayle <roger@eyesopen.com>
16617 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16620 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16622 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16624 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16627 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16628 support COMDAT group.
16629 * configure: Regenerate.
16631 2006-02-14 Roger Sayle <roger@eyesopen.com>
16633 PR middle-end/26279
16634 PR middle-end/26280
16635 PR middle-end/26283
16636 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16638 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16640 Fix PR tree-optimization/26260
16642 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16644 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16645 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16646 * tree-ssa-structalias.c (create_variable_info_for): Use
16647 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16649 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16651 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16653 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16654 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16655 of the ending condition.
16656 * tree-ssa-loop-manip.c: Include params.h.
16657 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16658 tree_unroll_loop): New functions.
16659 * tree-pass.h (pass_loop_prefetch): Declare.
16660 * loop.c (rest_of_handle_loop_optimize): Test for
16661 -fprefetch-loop-arrays-rtl.
16662 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16663 * timevar.def (TV_TREE_PREFETCH): New timevar.
16664 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16665 pass_loop_prefetch): New.
16666 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16667 (cleanup_tree_cfg_loop): Call scev_reset.
16668 * common.opt (fprefetch-loop-arrays-rtl): Add.
16669 * tree-ssa-loop-prefetch.c: New file.
16670 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16671 (new_temp_expr_table): Initialize expr_vars.
16672 (free_temp_expr_table): Cleanup expr_vars.
16673 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16674 expressions from being merged into one.
16675 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16676 (struct tree_niter_desc): Add control, bound and cmp fields.
16677 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16679 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16680 (tree-cfgcleanup.o): Add SCEV_H dependency.
16681 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16682 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16684 2006-02-14 Richard Guenther <rguenther@suse.de>
16686 PR tree-optimization/26258
16687 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16688 in PHI argument processing.
16690 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16692 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16693 new expression in the requested machine mode.
16695 2006-02-13 Roger Sayle <roger@eyesopen.com>
16697 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16698 directly, instead let do_compare_rtx_and_jump handle this for us.
16699 * expr.c (expand_expr_real_1): Likewise.
16700 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16701 before do_jump_by_parts_greater.
16702 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16703 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16705 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16707 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16709 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16711 PR rtl-optimization/26235
16712 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16713 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16716 2006-02-13 Jeff Law <law@redhat.com>
16718 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16721 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16723 PR middle-end/26092
16724 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16725 twice if decl is a builtin. When trying again, call get_callee_fndecl
16726 first to verify it is still a builtin.
16728 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16730 * dwarf2out.c (base_type_die): Don't add AT_name here.
16731 (subrange_type_die): Don't add AT_name here.
16732 (modified_type_die): Rearrange code flow. Do add AT_name here.
16734 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16736 PR rtl-optimization/26247
16737 PR rtl-optimization/26248
16738 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16740 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16742 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16743 * config/fixtfdi.c: Likewise.
16744 * config/fixunstfdi.c: Likewise.
16745 * config/floatditf.c: Likewise.
16747 2006-02-13 Roger Sayle <roger@eyesopen.com>
16749 PR middle-end/24427
16750 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16751 into (X,C2) if C1 is a subset of the bits of C2. Transform
16752 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16754 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16756 2006-02-13 Josh Conner <jconner@apple.com>
16759 * varasm.c (function_section): Check for section name before
16760 calling select_section on targets that define
16761 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16762 unlikely_text_section instead of hot_function_section if
16763 first_function_block_is_cold.
16765 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16767 PR middle-end/25335
16768 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16770 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16772 PR rtl-optimization/26222
16773 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16774 after tree->rtl expansion.
16775 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16776 before passing it to emit_move_insn.
16778 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16780 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16782 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16783 Clarify documentation.
16784 * c-common.h (warn_write_strings): Remove.
16785 * c-common.c (warn_write_strings): Likewise.
16786 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16789 2006-02-12 Roger Sayle <roger@eyesopen.com>
16791 PR middle-end/25724
16792 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16793 (do_jump_parts_zero_rtx): New function renamed from
16794 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16795 (do_jump_parts_equality_rtx): New function split out from
16796 do_jump_parts_equality. Old implementation renamed as above.
16797 Call do_jump_parts_zero_rtx if either operand is zero.
16798 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16799 do all of the heavy lifting.
16800 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16801 calling either do_jump_by_parts_greater_rtx or
16802 do_jump_by_parts_equality_rtx.
16803 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16804 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16805 moved to do_compare_rtx_and_jump, call it directly.
16806 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16807 mode argument. Call do_compare_rtx_and_jump.
16808 (emit_case_nodes): Update calls to do_jump_if_equal.
16810 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16812 PR rtl-optimization/26225
16813 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16815 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16817 PR rtl-optimization/26232
16818 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16820 2006-02-11 Jason Merrill <jason@redhat.com>
16823 * tree-inline.c (declare_return_variable): Just don't use the
16824 modify target if it's a gimple complex reg and the return slot
16827 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16829 * doc/contrib.texi: Update my entry.
16831 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16833 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16835 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16837 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16840 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16842 * doc/invoke.texi (-floop-optimize2): Removed.
16843 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16844 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16845 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16846 * common.opt (floop-optimize2): Removed.
16847 (fmove-loop-invariants): Enabled by default.
16849 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16851 * tree-if-conv.c (combine_blocks): Free the result of
16852 get_loop_exit_edges.
16854 2006-02-10 Jeff Law <law@redhat.com>
16856 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16858 PR tree-optimization/26213
16859 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16860 loop trying to follow SSA_NAME_VALUE chains.
16862 2006-02-10 Richard Guenther <rguenther@suse.de>
16864 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16865 deal with structures that end in implicitly variable sized arrays.
16867 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16869 PR rtl-optimization/24762
16870 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16873 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16875 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16876 (struct ivopts_data): Add regs_used field.
16877 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16878 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16879 instead of loop_data->regs_used;
16880 (free_loop_data): Do not free aux fields for loops.
16881 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16882 and tree_ssa_iv_optimize_finalize.
16884 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16886 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16888 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16891 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16892 computing the effective result type.
16894 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16896 PR inline-asm/16194
16897 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16898 (tree_overlaps_hard_reg_set): Declare.
16899 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16900 type and signature to match function type expected by walk_tree.
16901 (tree_overlaps_hard_reg_set): New function.
16902 (decl_conflicts_with_clobbers_p): Rename to:
16903 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16904 Use tree_overlaps_hard_reg_set. Changed caller.
16905 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16906 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16907 * cris.c (cris_md_asm_clobbers): Likewise.
16909 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16911 * reload1.c (emit_input_reload_insns): Delete code that tries to
16912 inherit using find_equiv_reg.
16914 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16916 * c-common.h (flag_const_strings): Don't declare.
16917 * c-common.c (flag_const_strings): Remove.
16918 * c.opt (fconst_strings): Remove.
16919 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16920 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16921 (c_common_init_options): Don't set flag_const_strings.
16922 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16924 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16926 * arm.md (tlobits_cbranch): New pattern.
16927 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16928 testing a single bit.
16930 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16933 * tree-ssa-pre.c (create_component_ref_by_pieces):
16934 Handle RETURN_DECL like VAR_DECL.
16936 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16938 PR middle-end/26134
16939 * fold-const.c (fold_indirect_ref_1): Fold
16940 "*(foo *)&complexfoo" to "__real__ complexfoo"
16941 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16943 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16945 * tree-flow-inline.h (var_can_have_subvars):
16946 Volatile variables should not have subvariables.
16948 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16951 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16952 multiplying unsigned values.
16955 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16957 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16959 2006-02-08 Jason Merrill <jason@redhat.com>
16962 * tree.def: Elaborate on difference from MODIFY_EXPR.
16963 * doc/c-tree.texi (INIT_EXPR): Likewise.
16964 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16965 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16966 (gimplify_target_expr): Likewise.
16967 (gimplify_cond_expr): Remove target handling.
16968 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16969 (gimplify_expr): Clobber it here.
16970 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16971 Do return slot optimization if we have an INIT_EXPR.
16974 * tree-inline.c (declare_return_variable): Also clear
16975 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16978 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16980 PR middle-end/22439
16981 * gimplify.c (gimplify_one_sizepos): Fix typo.
16983 2006-02-08 Jeff Law <law@redhat.com>
16985 PR tree-optimization/21417
16986 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16987 across a backedge if the control statement at the end of the
16988 block is data dependent on other statements in the same block.
16989 (record_temporary_equivalences_from_stmts): Remove over-conservative
16990 test for threading across backedges.
16992 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16993 control statement, handle all three special cases in the same
16994 manner as they all have the same desired solution. No longer
16995 special case edge flag updating when the post dominator is
16998 2006-02-08 Roger Sayle <roger@eyesopen.com>
17000 * tree.def (CHAR_TYPE): Remove.
17001 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17002 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17003 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17004 (gen_string_type_die): Delete unreachable function.
17006 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17007 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17008 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17009 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17010 * builtins.c (type_to_class): Likewise.
17011 * fold-const.c (fold_convert, build_range_check,
17012 merge_ranges): Likewise.
17013 * expr.c (count_type_elements): Likewise.
17014 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17015 * stor-layout.c (layout_type): Likewise.
17016 * ipa-type-escape.c (type_to_consider): Likewise.
17017 * gimplify.c (omp_firstprivatize_type_sizes,
17018 gimplify_type_sizes): Likewise.
17019 * explow.c (promote_mode): Likewise.
17020 * tree-sra.c (is_sra_scalar_type): Likewise.
17021 * varasm.c (output_constant): Likewise.
17022 * tree-inline.c (remap_type_1): Likewise.
17023 * convert.c (convert_to_pointer, convert_to_real,
17024 convert_to_integer, convert_to_complex): Likewise.
17026 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17028 * df-scan.c (df_def_record_1): A set destination may
17029 be a parallel regardless of mode.
17031 2006-02-08 Roger Sayle <roger@eyesopen.com>
17034 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17035 * config/mips/_tilib.c: Remove.
17036 * config/fixtfdi.c: New libgcc source file.
17037 * config/fixunstfdi.c: New source file.
17038 * config/floatditf.c: New source file.
17039 * config/floatunditf.c: New souce file.
17040 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17041 files above instead of config/mips/_tilib.c.
17042 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17044 2006-02-08 Jeff Law <law@redhat.com>
17046 PR tree-optimization/26169
17047 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17050 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17052 * df.h (DF_REG_SIZE): Return the length of the initialized
17055 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17057 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17058 __muldf3): Return a correctly signed zero.
17060 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17062 * passes.c (register_one_dump_file): Accept the current properties
17063 instead of pass number. Adjust call to dump_register. Remove
17065 (register_dump_files): Now a wrapper around...
17066 (register_dump_files_1): ... this one. Do not modify the pass
17068 (next_pass_1): Cosmetic fix.
17069 (execute_todo): Keep second parameter only. Use curr_properties
17070 instead of fetching it from the pass structure. Check and set
17072 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17073 instead of fetching it from the pass structure. Fix calls to
17074 execute_todo. Update curr_properties and initialize .vcg RTL dump
17075 after running the pass. Reset last_verified.
17076 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17078 (FIRST_AUTO_NUMBERED_DUMP): New.
17079 (dump_register): Remove "num" parameter, assign it within the
17081 (get_dump_file_name): Modify template for dumps.
17082 * tree-dump.h (dump_register): Adjust prototype.
17083 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17084 (PROP_trees): Add PROP_gimple_lomp.
17085 (TODO_set_props): New.
17086 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17087 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17088 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17090 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17092 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17093 (sparc64-*-linux*): Likewise.
17094 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17095 * config/sparc/t-linux: New file.
17096 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17097 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17098 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17099 -m32 -mlong-double-128.
17101 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17102 * config/alpha/t-linux: New file.
17103 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17105 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17106 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17107 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17108 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17109 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17110 (CPP_ARCH32_SPEC): Remove.
17112 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17114 PR tree-optimization/26145
17115 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17118 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17121 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17122 >= 240000 when generating code for SOM runtime.
17123 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17124 to $$dyncall when generating code for SOM runtime..
17126 2006-02-07 Dirk Mueller <dmueller@suse.com>
17129 * doc/invoke.texi (-Wsequence-point): Update documentation
17130 that -Wsequence-point is implemented for C++ as well.
17132 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17134 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17135 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17136 (LIB_SPEC): Likewise.
17137 * doc/invoke.texi (SPARC options): Document -pthread.
17139 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17141 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17144 2006-02-07 Roger Sayle <roger@eyesopen.com>
17146 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17147 Correct comment describing BOOLEAN_TYPE.
17149 2006-02-07 Dirk Mueller <dmueller@suse.com>
17151 * c.opt: C++ frontend supports -Wdiv-by-zero.
17152 * c-opts.c (c_common_handle_option): Remove dead case.
17154 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17156 * configure.ac (TLS assembler check): Do not enable TLS by
17157 default on SPARC/Solaris before version 10.
17158 * configure: Regenerate.
17160 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17162 * doc/invoke.texi (xl-compat): Document conversion and support
17165 2006-02-07 Jeff Law <law@redhat.com>
17167 * tree-vrp.c (find_conditional_asserts): Update comments.
17168 (simplify_stmt_for_jump_threading): New.
17169 (identify_jump_threads, finalize_jump_threads): New.
17170 (vrp_finalize): Call identify_jump_threads.
17171 (execute_vrp): Call finalize_jump_threads.
17172 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17173 (vrp_element, vrp_data, vrp_element_p): Remove.
17174 (vrp_hash_elt, vrp_variables_stack): Remove.
17175 (vrp_hash, vrp_eq, record_range): Remove.
17176 (simplify_cond_and_lookup_avail_expr): Remove.
17177 (extract_range_from_cond): Remove.
17178 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17179 (simplify_stmt_for_jump_threading): New.
17180 (dom_thread_across_edge): New wrapper.
17181 (tree_ssa_dominator_optimize): No longer initialize or
17182 finalize any of the VRP datastructures. Remove iteration
17183 step and simplify as a result of removal of iteration step.
17184 (pass_dominator): Perform a cfg cleanup after DOM.
17185 (dom_opt_finalize_block): Use the new common routines
17186 for threading jumps. Simplify stack management slightly.
17187 No longer need to unwind VRP state.
17188 (record_equivalences_from_incoming_edge): No longer record
17190 (eliminate_redundant_computations): No longer call
17191 simplify_cond_and_lookup_avail_expr.
17192 * tree-flow.h (potentially_threadable_block): Prototype.
17193 (thread_across_edge): Likewise.
17194 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17195 (tree-ssa-threadedge.o): Add dependencies.
17196 * tree-ssa-threadedge.c: New file.
17197 * passes.c (init_optimization_passes): Merge PHIs before
17198 calling VRP. Run VRP again late in the SSA optimization pipeline.
17200 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17202 * df-core.c (df_set_blocks): Do not dereference function pointers.
17203 (df_finish1): Likewise.
17204 (df_hybrid_search_forward): Likewise.
17205 (df_hybrid_search_backward): Likewise.
17206 (df_iterative_dataflow): Likewise.
17207 (df_analyze_problem): Likewise.
17208 (df_compact_blocks): Likewise.
17209 (df_dump): Likewise.
17210 * df-scan.c (df_rescan_blocks): Likewise.
17211 (df_record_entry_block_defs): Likewise.
17213 * genconditions.c (write_conditions): Guard the definition of
17214 'insn_conditions' with the check on GCC version.
17215 (write_writer): Guard the traversal 'insn_conditions' with
17216 the check on GCC version.
17218 2006-02-07 Richard Guenther <rguenther@suse.de>
17222 2006-01-30 Richard Guenther <rguenther@suse.de>
17224 * gimplify.c (gimplify_target_expr): Handle easy cases
17225 without creating a temporary.
17227 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17229 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17230 use of float in probability computations. Use edge probabilities
17231 in place of statically computed probabilities.
17232 (min_spec_prob): New static variable.
17233 (schedule_insns): Initialize it.
17234 (GET_SRC_PROB): Removed.
17235 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17237 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17240 * config/ia64/unwind-ia64.c: Revert last change.
17241 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17242 (INCOMING_FRAME_SP_OFFSET): Define.
17244 2006-02-06 Roger Sayle <roger@eyesopen.com>
17246 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17248 2006-02-07 Ben Elliston <bje@au.ibm.com>
17250 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17251 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17252 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17253 (ix86_return_in_memory): Handle TDmode.
17254 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17255 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17257 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17259 * reorg.c (dbr_schedule): Use dump_file instead of file.
17261 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17264 * config/ia64/predicates.md (extr_len_operand): New predicate.
17265 * config/ia64/ia64.md (extv): Tighten constraints.
17267 (*tbit_and_2): Ditto.
17268 (*tbit_and_3): Ditto.
17269 (*tbit_or_2): Ditto.
17270 (*tbit_or_3): Ditto.
17271 (*bit_zero): Ditto.
17274 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17277 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17279 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17281 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17282 loop_optimizer_init and loop_optimizer_finalize
17283 * tree-ssa-sink.c (execute_sink_code): Ditto.
17284 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17285 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17286 tree_ssa_loop_done): Ditto.
17287 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17288 * sched-ebb.c: Include output.h.
17289 (schedule_ebbs): Do not use dump argument.
17290 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17291 * loop.c (loop_dump_stream): Removed.
17292 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17294 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17295 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17296 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17297 loop_iterations, strength_reduce, record_biv, record_giv,
17298 final_giv_value, check_final_value, check_ext_dependent_givs,
17299 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17300 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17301 dump_file instead of loop_dump_stream.
17302 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17303 argument dump_file.
17304 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17306 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17307 * haifa-sched.c: Include output.h
17308 (schedule_insns, sched_init): Do not use dump argument.
17309 * mode-switching.c (optimize_mode_switching): Ditto.
17310 * modulo-sched.c (stats_file): Removed.
17311 (print_node_sched_params): Do not call argument dump_file.
17312 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17313 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17315 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17317 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17318 rtl_loop_init, rtl_loop_done): Ditto.
17319 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17320 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17322 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17323 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17324 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17325 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17326 * emit-rtl.c (renumber_insns): Ditto.
17327 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17328 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17329 * regclass.c (regclass): Ditto.
17330 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17331 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17332 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17333 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17335 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17336 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17338 * gcse.c (gcse_file, debug_stderr): Removed.
17339 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17340 rest_of_handle_gcse): Do not use dump argument.
17341 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17342 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17343 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17344 compute_code_hoist_vbeinout, compute_code_hoist_data,
17345 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17346 compute_store_table, build_store_vectors, insert_insn_start_bb,
17347 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17348 store_motion): Use dump_file instead of gcse_file.
17349 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17350 * profile.c (profile_dump_file): Removed.
17351 (branch_prob): Use dump_file instead of profile_dump_file.
17352 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17354 * tree-ssa-copy.c (dump_copy_of): Ditto.
17355 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17356 dump file to life_analysis.
17357 * bt-load.c (branch_target_load_optimize): Ditto.
17358 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17360 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17361 regclass, dbr_schedule): Declaration changed.
17362 * sched-int.h (sched_init): Declaration changed.
17363 * tree-profile.c (tree_profile_dump_file): Removed.
17364 (tree_profile_hooks): Removed profile_dump_file hook.
17365 * rtl-profile (rtl_profile_dump_file): Removed.
17366 (rtl_profile_hooks): emoved profile_dump_file hook.
17367 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17369 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17370 * tree-cfg.c (build_tree_cfg): Ditto.
17371 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17372 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17373 Declaration changed.
17374 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17375 life_analysis and schedule_insns.
17376 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17378 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17380 * config/mips/mips.c (mips_reorg): Ditto.
17381 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17384 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17386 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17387 (s390_mangle_fundamental_type): New.
17388 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17391 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17392 (alpha_mangle_fundamental_type): New.
17393 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17396 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17398 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17400 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17401 (sparc_mangle_fundamental_type): New.
17403 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17405 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17406 (s390x-*-linux*): Likewise.
17407 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17408 * config/s390/t-linux: New file.
17410 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17412 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17413 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17415 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17417 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17418 (ANTIC_SAFE_LOADS): New macro.
17419 (find_or_generate_expression): Add prototype.
17420 (set_contains_value): Allow null set for sake of not always having
17421 to allocate ANTIC_SAFE_LOADS.
17422 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17423 Allow COMPONENT_REF too.
17424 (valid_in_set): Allow COMPONENT_REF.
17425 Check ANTIC_SAFE_LOADS too.
17426 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17427 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17429 (can_PRE_operation): Add COMPONENT_REF.
17430 (create_component_ref_by_pieces): New function.
17431 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17432 (insert_aux): Move AGGREGATE_TYPE_P check here.
17433 (compute_avail): Set bb local stmt uids.
17434 (pass_pre): Use TODO_update_ssa_only_virtuals.
17436 2006-02-06 Ben Elliston <bje@au.ibm.com>
17438 * configure.ac: Unconditionally disable decimal float by default.
17439 * configure: Regenerate.
17441 2006-02-06 Ben Elliston <bje@au.ibm.com>
17443 * read-rtl.c (read_name): Terminate reading on EOF.
17445 2006-02-06 Ben Elliston <bje@au.ibm.com>
17447 * dfp.c (decimal_real_arithmetic): Change second argument type
17448 from int to enum tree_code. Do not always return true, but now
17449 return result of any call to decimal_do helper functions.
17450 * dfp.h (decimal_real_arithmetic): Update prototype.
17452 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17454 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17456 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17459 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17462 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17464 * tree-vrp.c (cfg_loops): Removed.
17465 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17466 Use current_loops instead of cfg_loops. Pass flags to
17467 loop_optimizer_init.
17468 * cfgloopmanip.c (fix_loop_structure): Update only available
17470 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17471 loop_optimizer_init.
17472 * modulo-sched.c (build_loops_structure): Removed.
17473 (sms_schedule): Use loop_optimizer_init.
17474 * loop-init.c (loop_optimizer_init): Use flags to determine
17475 which properties of loops to prepare.
17476 (rtl_loop_init): Pass flags to loop_optimizer_init.
17477 * tree-ssa-sink.c (execute_sink_code): Ditto.
17478 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17479 * tree-ssa-pre.c (init_pre): Ditto.
17480 * cfgloop.h (LOOPS_NORMAL): New.
17481 (loop_optimizer_init): Declaration changed.
17483 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17485 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17486 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17488 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17490 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17492 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17493 * pa/t-pa64: Delete quadlib.c rule.
17494 * pa/x-ada: Revert last change.
17495 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17497 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17499 PR rtl-optimization/26087
17500 * rtlanal.c (canonicalize_condition): Do not cross basic block
17503 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17506 * config/ia64/ia64.c: Include debug.h.
17507 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17508 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17509 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17510 (process_epilogue, process_set, process_for_unwind_directive):
17511 Output unwind info only if requested. Add CFA info if requested.
17512 Add new arguments as needed. Adjust callers.
17513 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17515 (DWARF2_FRAME_INFO): Define to zero.
17516 * config/ia64/unwind-ia64.c: Remove code that compensated for
17517 the CFA offset error fixed above.
17518 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17519 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17520 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17521 -funwind-tables and -fexceptions to enable frame info.
17522 (dwarf2out_frame_init): Define initial CFA even if
17523 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17524 DWARF2_UNWIND_INFO is nonzero, not just defined.
17525 (dwarf2out_frame_finish): Output non-EH call frame info only
17526 if DWARF2_FRAME_INFO is nonzero.
17527 (convert_cfa_to_loc_list,
17528 compute_frame_pointer_to_cfa_displacement): Define even if
17529 unwind info is not supported.
17530 (gen_subprogram_die): Use the above unconditionally. Remove
17531 legacy alternate code.
17532 * toplev.c (compile_file): Compile in call to
17533 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17534 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17536 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17537 Jakub Jelinek <jakub@redhat.com>
17539 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17540 IBM extended float format long double as "g" on powerpc*-linux.
17542 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17545 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17546 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17548 2006-02-03 Jason Merrill <jason@redhat.com>
17551 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17553 PR middle-end/25977
17554 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17555 on the return slot if it's an NRV.
17557 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17559 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17560 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17561 rewrite_use): Do not handle USE_OUTER.
17562 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17563 add_iv_outer_candidates, may_replace_final_value,
17564 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17565 (find_interesting_uses_op): Functionality of
17566 find_interesting_uses_outer_or_nonlin moved here.
17567 (find_interesting_uses_outside): Use find_interesting_uses_op.
17569 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17572 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17574 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17575 Ulrich Weigand <uweigand@de.ibm.com>
17578 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17579 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17580 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17581 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17583 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17584 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17585 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17586 Define secondary reloads for TFmode moves.
17587 (constant_modes): Add TFmode.
17588 (NR_C_MODES): Set to 8.
17589 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17591 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17592 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17593 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17594 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17595 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17596 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17597 (FPR mode macro): Add TFmode.
17598 (DSF mode macro): New.
17599 (<de>, <dee> mode attributes): Removed.
17600 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17601 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17602 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17603 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17604 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17605 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17606 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17607 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17608 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17609 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17610 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17611 "*negabs<mode>2", "sqrt<mode>2"):
17612 Changed <de> to <xde>. R constraint replaced by <Rf>.
17613 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17615 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17616 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17617 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17619 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17620 "extenddftf2", "extendsftf2"): New expanders.
17621 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17622 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17623 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17624 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17626 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17627 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17628 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17629 __floatditf): Add a GCC_4.1.0 symbol version tag.
17630 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17633 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17636 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17637 Use targetm.binds_local_p instead of TREE_PUBLIC.
17639 2006-02-02 Roger Sayle <roger@eyesopen.com>
17641 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17642 on INTEGER_TYPEs to indicate that it denotes a character type.
17643 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17644 signed_char_type_node, unsigned_char_type_node and char_type_node.
17645 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17646 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17647 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17649 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17650 Daniel Berlin <dberlin@dberlin.org>
17652 * tree-tailcall.c (arg_needs_copy_p): New function.
17653 (eliminate_tail_call): Use arg_needs_copy_p.
17654 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17655 (add_virtual_phis): New function.
17657 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17659 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17660 #ignore instead of #scratch for %g7 .register directive.
17662 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17664 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17667 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17669 * flow.c (calculate_global_regs_live): Assert that there aren't any
17672 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17674 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17675 what its name says.
17676 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17677 bsi_after_labels iterator.
17678 * tree-if-conv.c (find_phi_replacement_condition,
17679 replace_phi_with_cond_modify_expr): Likewise.
17680 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17681 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17683 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17685 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17687 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17690 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17691 array after growing it.
17693 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17695 PR middle-end/24901
17696 * fold-const.c (fold_checksum_tree): Change type of buf.
17698 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17700 * reload.c (push_secondary_reload): Initialize t_icode.
17702 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17704 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17705 -msoft-float -mlong-double-128 only issue a warning, but don't
17706 swich to DFmode long double.
17708 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17710 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17711 has a constant equivalent, iterate over equivalents for arg0,
17712 calling simplify_relational_operation and if there's a result
17713 cheaper than X, apply fold_rtx and return the result.
17715 2006-02-01 Jan Hubicka <jh@suse.cz>
17717 * opts.c (no_unit_at_a_time_default): New global variable.
17718 (decode_options): Use it.
17719 * opts.h (no_unit_at_a_time_default): Declare.
17721 2006-02-01 Paul Brook <paul@codesourcery.com>
17723 * function.c (assign_parm_setup_reg): Use function argument promotion
17725 * expr.c (expand_expr_real_1): Use function argument promotion rules
17728 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17730 * gcc.c (process_command): Change j to 'unsigned int'.
17732 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17734 PR middle-end/26001
17735 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17736 Use the corrected index for the character
17737 out of the string constant.
17739 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17741 * mode-switching.c (optimize_mode_switching): Fix size
17742 allocated for bb_info[n_entities].
17744 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17746 * gcc.c (main): Correct type that is allocated for
17747 explicit_link_files.
17749 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17751 * config/s390/s390.c (init_alignment_context): Set
17752 ALIAS_SET_MEMORY_BARRIER on the MEM.
17753 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17755 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17757 PR middle-end/25933
17758 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17760 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17763 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17765 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17766 * regrename.c: Ditto.
17767 * tree-ssa-loop-im.c: Ditto.
17768 * tree-dump.c: Ditto.
17769 * tree-complex.c: Ditto.
17770 * genrecog.c: Ditto.
17771 * tree-ssa-threadupdate.c: Ditto.
17773 * java/class.c: Ditto.
17774 * java/jcf-parse.c: Ditto.
17775 * java/resource.c: Ditto.
17776 * java/except.c: Ditto.
17777 * java/jvspec.c: Ditto.
17778 * java/jcf-write.c: Ditto.
17779 * java/jcf-path.c: Ditto.
17780 * java/gjavah.c: Ditto.
17781 * java/zextract.c: Ditto.
17782 * java/jcf-io.c: Ditto.
17783 * java/jcf.h: Ditto.
17784 * java/buffer.c: Ditto.
17785 * java/lang.c: Ditto.
17786 * java/parse-scan.y: Ditto.
17787 * java/lex.c: Ditto.
17788 * java/lex.h: Ditto.
17789 * cfgloopmanip.c: Ditto.
17790 * postreload-gcse.c: Ditto.
17791 * tree-ssa-loop-manip.c: Ditto.
17792 * postreload.c: Ditto.
17793 * tree-ssa-loop-ch.c: Ditto.
17796 * cppspec.c: Ditto.
17797 * diagnostic.c: Ditto.
17799 * genoutput.c: Ditto.
17801 * cfghooks.c: Ditto.
17802 * cfgloopanal.c: Ditto.
17803 * objc/objc-act.c: Ditto.
17805 * genextract.c: Ditto.
17806 * genautomata.c: Ditto.
17807 * pretty-print.c: Ditto.
17808 * genemit.c: Ditto.
17809 * cgraphunit.c: Ditto.
17811 * df-scan.c: Ditto.
17812 * haifa-sched.c: Ditto.
17813 * dominance.c: Ditto.
17815 * tree-ssa-loop-ivopts.c: Ditto.
17816 * df-core.c: Ditto.
17817 * mode-switching.c: Ditto.
17818 * modulo-sched.c: Ditto.
17820 * ipa-pure-const.c: Ditto.
17822 * fix-header.c: Ditto.
17824 * tree-stdarg.c: Ditto.
17825 * ipa-utils.c: Ditto.
17826 * loop-init.c: Ditto.
17827 * ipa-inline.c: Ditto.
17828 * cfganal.c: Ditto.
17830 * alloc-pool.c: Ditto.
17831 * dwarf2out.c: Ditto.
17833 * genattrtab.c: Ditto.
17834 * tree-ssa-loop-ivcanon.c: Ditto.
17835 * predict.c: Ditto.
17836 * timevar.c: Ditto.
17838 * fortran/gfortranspec.c: Ditto.
17839 * regmove.c: Ditto.
17840 * local-alloc.c: Ditto.
17841 * langhooks.c: Ditto.
17842 * function.c: Ditto.
17843 * tree-vectorizer.c: Ditto.
17845 * ipa-type-escape.c: Ditto.
17847 * tree-if-conv.c: Ditto.
17848 * profile.c: Ditto.
17850 * tree-data-ref.c: Ditto.
17851 * loop-unroll.c: Ditto.
17852 * treelang/treetree.c: Ditto.
17854 * bt-load.c: Ditto.
17855 * ggc-common.c: Ditto.
17857 * coverage.c: Ditto.
17859 * tree-cfgcleanup.c: Ditto.
17860 * tree-ssa-pre.c: Ditto.
17861 * cfgcleanup.c: Ditto.
17862 * loop-invariant.c: Ditto.
17863 * loop-iv.c: Ditto.
17864 * ipa-prop.c: Ditto.
17865 * print-tree.c: Ditto.
17866 * conflict.c: Ditto.
17867 * ggc-page.c: Ditto.
17868 * sched-deps.c: Ditto.
17869 * regclass.c: Ditto.
17870 * tree-object-size.c: Ditto.
17871 * combine.c: Ditto.
17872 * bb-reorder.c: Ditto.
17873 * resource.c: Ditto.
17874 * var-tracking.c: Ditto.
17875 * cfgloop.c: Ditto.
17876 * df-problems.c: Ditto.
17877 * reg-stack.c: Ditto.
17879 * gccspec.c: Ditto.
17880 * sched-rgn.c: Ditto.
17881 * tree-ssa-structalias.c: Ditto.
17882 * tree-ssa-reassoc.c: Ditto.
17883 * config/darwin-c.c: Ditto.
17884 * config/darwin.c: Ditto.
17885 * config/arm/arm.c: Ditto.
17887 * collect2.c: Ditto.
17888 * reload1.c: Ditto.
17890 2006-01-31 Nicolas Pitre <nico@cam.org>
17892 * arm.md (smaxsi3): Make aware of smax_m1.
17895 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17897 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17899 2006-01-31 Richard Guenther <rguenther@suse.de>
17901 * doc/invoke.texi (-msselibm): Document.
17902 * target.h (expand_library_builtin): New target hook.
17903 * builtins.c (expand_builtin): Use expand_library_builtin.
17904 (default_expand_library_builtin): New function.
17905 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17906 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17907 (link_gcc_math_spec): Declare.
17908 (static_specs): Add link_gcc_math_spec.
17909 * expr.h (default_expand_library_builtin): Declare.
17910 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17911 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17912 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17913 * config/i386/i386.opt (msselibm): New target option.
17914 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17915 (ix86_init_sse_abi_builtins): New function.
17916 (ix86_expand_library_builtin): Likewise.
17917 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17918 (override_options): Handle error conditions wrt -msselibm.
17919 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17920 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17921 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17924 2006-01-31 Richard Guenther <rguenther@suse.de>
17925 Paolo Bonzini <bonzini@gnu.org>
17927 * doc/install.texi (--disable-libgcc-math): Document.
17929 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17931 * expr.h (expand_normal): new inline function.
17932 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17933 * dojump.c: use it.
17934 * dwarf2out.c: use it.
17937 * expmed.c: use it.
17938 * except.c: use it.
17939 * config/sparc/sparc.c: use it.
17940 * config/i386/i386.c: use it.
17941 * config/rs6000/rs6000.c: use it.
17942 * config/arm/arm.c: use it.
17943 * config/mips/mips.c: use it.
17944 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17946 2006-01-30 Roger Sayle <roger@eyesopen.com>
17948 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17949 argv to the appropriate type.
17951 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17953 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17956 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17959 * config/s390/s390.c (struct machine_function): New flag
17960 decomposed_literal_pool_addresses_ok_p.
17961 (s390_reorg): Set it before final stage of literal pool transforms.
17962 (s390_decompose_address): Only accept displacements of the form
17963 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17965 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17967 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17968 the comparison routine return.
17970 2006-01-30 Michael Matz <matz@suse.de>
17972 * global.c (find_reg): Only evict for global regs.
17973 Take n_refs into account and dump more info.
17975 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17978 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17979 (pragma_trap, pragma_nosave_low_regs): Likewise.
17980 (current_function_anonymous_args): Likewise.
17981 (sh_deferred_function_attributes): New variable.
17982 (sh_deferred_function_attributes_tail): Likewise.
17983 (print_operand): For '@', look up trap_exit attribute.
17984 (calc_live_regs): Look up trapa_handler attribute. For trapa
17985 handlers, save/restore fpscr, but don't do any other
17986 interrupt-specific saves.
17987 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17988 Fix check for partially saved registers to check for SHmedia.
17989 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17990 (sh_output_function_epilogue): Don't clear any of the removed
17992 (sh_insert_attributes): Don't check pragma_interrupt.
17993 Insert deferred attributes. Check that interrupt attribute is
17994 present for other attributes that require its presence.
17995 (sh_attribute_table): Add new attributes trapa_handler and
17997 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17998 Don't check for pragma_interrupt. Don't store argument.
17999 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18000 (sh_deferred_function_attributes): Declare.
18001 (sh_deferred_function_attributes_tail): Likewise.
18002 * sh.md (sp_switch_1): Add operand. Change generator caller.
18003 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18004 (*return_i): Don't use when trap_exit attribute is in effect.
18005 (*return_trapa): New insn pattern.
18006 * sh-c.c: New file.
18007 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18008 setting c_target_objs and cxx_target_objs.
18009 * t-sh: Add rule for sh-c.o.
18011 2006-01-30 Richard Guenther <rguenther@suse.de>
18014 * gimplify.c (gimplify_target_expr): Handle easy cases
18015 without creating a temporary.
18017 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18019 * vec.h (safe_grow): Remove duplicated line.
18021 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18024 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18025 (expand_omp): ... here.
18026 (expand_omp_parallel): Only remove barriers for combined
18027 parallel+workshare constructs.
18029 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18033 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18034 * tree.c (build_qualified_type): Chain the new type to the original
18035 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18036 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18037 (build_pointer_type_for_mode): Only return unqualified types.
18038 (build_reference_type_for_mode): Likewise.
18040 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18042 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18043 * Makefile.in (CXX_COMPAT_WARN): Define.
18044 * configure: Regenerate.
18046 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18049 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18052 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18054 * toplev.c: Fix thinko.
18056 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18057 Marcin Dalecki <martin@dalecki.de>
18059 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18060 (push_srcloc): Use XNEW.
18061 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18063 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18065 * df-core.c (df_set_blocks): Deleted all variable.
18067 2006-01-28 Ian Lance Taylor <ian@airs.com>
18069 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18070 cgraph_output_pending_asms.
18072 2006-01-28 Zack Weinberg <zackw@panix.com>
18074 * c.opt: Add -W(no-)overlength-strings.
18075 * doc/invoke.texi: Document it.
18076 * c-opts.c (c_common_handle_option): -pedantic implies
18077 -Woverlength-strings, if not explicitly disabled already.
18078 (c_common_post_options): -Woverlength-strings defaults to off, and
18079 is always off for C++.
18080 * c-common.c (fix_string_type): Issue warning about strings longer
18081 than is portable only if warn_overlength_strings. Rearrange code
18082 a little for clarity.
18083 * configure.in: Check for -Wno-overlength-strings as well before
18084 enabling -pedantic in stage 1.
18085 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18086 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18088 * genconditions.c (write_header, write_one_condition)
18089 (write_conditions, write_writer): Consolidate very long strings
18090 that were broken up to fit in C89 portable limit. Don't use
18091 printf when fputs will do.
18093 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18095 * combine.c (simplify_comparison <AND>): Check
18096 TRULY_NOOP_TRUNCATION before start using a subreg.
18098 * config/mips/mips.md (*branch_zero<mode>,
18099 *branch_zero<mode>_inverted, *branch_equality<mode>,
18100 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18101 Remove mode check from comparisons.
18103 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18105 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18107 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18109 * expmed.c (const_mult_add_overflow_p): Remove.
18110 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18112 * recog.c (validate_replace_rtx_subexp): Remove.
18113 * recog.h: Remove the prototype for
18114 validate_replace_rtx_subexp.
18116 * integrate.h: Remove the prototype for
18117 copy_decl_for_inlining.
18118 * rtl.h: Remove the prototype for mark_constant_function.
18119 * tree-vectorizer.h: Remove the prototype for
18120 vect_strip_conversion.
18122 * modulo-sched.c (create_partial_schedule,
18123 free_partial_schedule, reset_partial_schedule): Make them
18126 * hooks.c (hook_bool_rtx_int_false): Remove.
18127 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18129 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18131 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18132 and -mlong-double-128 are incompatible.
18133 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18134 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18135 (TARGET_LIBGCC2_CFLAGS): Define.
18136 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18137 (TARGET_LIBGCC2_CFLAGS): Same.
18138 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18140 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18143 * c-typeck.c (build_binary_op): Perform implicit casts of
18144 operands before shortening them.
18146 * cfgloopmanip.c (split_loop_bb): Remove.
18147 * cfgloop.h: Remove the prototype for split_loop_bb.
18149 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18150 * cfgloop.h: Remove the prototype for
18151 flow_loop_outside_edge_p.
18153 * emit-rtl.c (init_virtual_regs): Make it static.
18154 * function.h: Remove the prototype for init_virtual_regs.
18156 * recog.c (peephole2_optimize): Make it static.
18157 * recog.h: Remove the prototype for peephole2_optimize.
18159 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18161 * df-scan.c (df_record_entry_block_defs): Check if
18162 INCOMING_RETURN_ADDR_RTX is defined.
18164 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18165 Kenneth Zadeck <zadeck@naturalbridge.com>
18167 PR rtl-optimization/24762
18168 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18169 * targhooks.c (hook_void_bitmap): New hook prototype.
18170 * targhoohs.h (hook_void_bitmap): Ditto.
18171 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18172 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18173 * target.h (live_on_entry): New function pointer.
18174 * df-scan.c (df_all_hard_regs): Removed.
18175 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18176 (df_scan_free_internal): Added df->entry_block_defs.
18177 (df_scan_alloc): Ditto.
18178 (df_scan_dump): Ditto.
18179 (df_uses_record): Plumbed flag field properly thru calls.
18180 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18181 This part fixes PR24762.
18182 (df_bb_refs_record): Added code to make the frame and arg
18183 pointers live in EH blocks.
18184 (df_refs_record): Added call to df_record_entry_block_defs.
18185 (df_record_entry_block_defs): New function.
18186 * df-core.c: Added comments to describe new artifical defs.
18187 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18188 (entry_block_defs): New field in struct df.
18189 (df_all_hard_regs): Deleted.
18190 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18191 * df-problems.c (df_ru_bb_local_compute_process_def):
18192 Added code to handle artifical defs in the entry to a function.
18193 (df_ru_bb_local_compute): Ditto.
18194 (df_rd_bb_local_compute_process_def): Ditto.
18195 (df_rd_bb_local_compute): Ditto.
18196 (df_lr_bb_local_compute): Ditto.
18197 (df_ur_bb_local_compute): Ditto.
18198 (df_urec_bb_local_compute): Ditto.
18199 (df_chain_create_bb): Ditto.
18200 (df_ur_local_finalize): Removed entry.
18201 (df_urec_init): Ditto.
18202 (df_urec_local_finalize): Ditto.
18203 (df_ri_bb_compute): Added detection of last use of pseudos.
18204 * Makefile.in (df-scan.o): Updated dependencies.
18205 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18206 * config/mips/mips.c (mips_set_live_on_entry): Added.
18207 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18209 * dce.c (marked_insn_p): Added code to handle artifical defs.
18211 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18213 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18215 (_mm_cvtsi128_si64): Likewise.
18216 (_mm_cvtsd_si64): Likewise.
18217 (_mm_cvttsd_si64): Likewise.
18218 (_mm_cvtsi64_sd): Likewise.
18219 (_mm_cvtsi64_si128): Likewise.
18220 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18221 (_mm_cvtsi64_m64): Likewise.
18222 (_m_to_int64): Likewise.
18223 (_mm_cvtm64_si64): Likewise.
18224 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18225 (_mm_cvttss_si64): Likewise.
18226 (_mm_cvtsi64_ss): Likewise.
18227 (_mm_cvtss_f32): Likewise.
18229 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18231 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18232 for pragma redefine_extname.
18234 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18237 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18238 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18239 -mno-minimal-toc to previous content.
18240 (bispecs): Remove goal.
18241 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18242 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18243 compatibility aliases on powerpc-*-*gnu*.
18244 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18245 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18246 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18247 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18248 (ldblspecs): New goal.
18249 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18250 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18252 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18253 L_sf_to_tf or L_df_to_tf is defined.
18255 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18256 Alan Modra <amodra@bigpond.net.au>
18259 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18260 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18261 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18262 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18263 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18264 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18265 (rs6000_override_options): Initialize rs6000_ieeequad.
18266 Initialize TFmode format to ibm_extended_format if not
18268 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18270 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18271 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18272 (function_arg_advance): IBM long double passed in two FPRs, not
18274 (function_arg): IBM long double passed in FPRs.
18275 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18276 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18277 Only multireg GPR aligned.
18278 (rs6000_init_libfuncs): Enable IBM long double functions if not
18280 (rs6000_generate_compare): Use IBM long double compare if not
18282 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18283 (TARGET_IEEEQUAD): Define.
18284 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18285 not TARGET_IEEEQUAD.
18286 * config/rs6000/rs6000.md: Enable TFmode patterns if
18288 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18289 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18290 and -mlong-double-128 are incompatible.
18291 * doc/invoke.texi (-mabi): Collect options together. Add
18292 ibmlongdouble and ieeelongdouble.
18294 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18296 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18298 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18299 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18300 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18301 * rtl.h (rtunion_def): Remove rt_ptr.
18303 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18304 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18305 * config/i386/winnt.c (i386_pe_mark_dllexport)
18306 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18308 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18310 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18312 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18316 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18317 pthread_key_delete. From John David Anglin. gthrw-ify
18318 pthread_getunique_np only if it it's not a macro. Delete
18320 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18321 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18322 __gthread_objc_condition_signal, __gthread_key_delete): Add
18323 "__attribute__ ((__unused__))" to unused arguments.
18324 (__gthread_recursive_mutex_init_function): Add missing return.
18325 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18326 gthr-posix95.h: Use macro-based approach for name redirection
18327 on targets missing weakref.
18329 2006-01-26 Zack Weinberg <zackw@panix.com>
18331 * genconditions.c (write_header): In generated code, #ifdef out
18332 all includes and fake declarations, except includes of bconfig.h
18333 and system.h, unless GCC_VERSION >= 3001. Do not include
18334 gensupport.h in any case.
18335 (write_conditions): Generate a definition of struct c_test. Add
18336 a comment to the generated #endif.
18337 (write_one_condition): Escape backslashes in string too.
18338 (write_writer): Generated code must escape backslashes and quote
18339 marks (but not newlines) in the strings it writes.
18340 * Makefile.in (build/gencondmd.o): Update dependencies.
18342 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18345 * Makefile.in (insn-automata.o): Add header file dependencies.
18346 * genautomata.c: Add includes.
18348 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18351 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18353 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18355 * configure.ac: Expect target tools paths to be passed from the toplevel
18356 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18358 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18360 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18363 * c.opt (Wpointer-sign): Init to -1.
18364 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18365 OPT_pedantic, to 0 otherwise.
18366 * doc/invoke.texi: Update.
18368 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18370 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18371 constants provided by 80387 instructions in the destination mode.
18373 2006-01-26 Richard Guenther <rguenther@suse.de>
18374 Andrew Pinski <pinskia@physics.uc.edu>
18377 partial PR tree-opt/17064
18378 * tree-ssa-structalias.c (intra_create_variable_infos):
18379 Create heap variables for incoming parameters if
18380 flag_argument_noalias > 1.
18381 (find_what_p_points_to): Look through default defs of
18384 2006-01-26 Jeff Law <law@redhat.com>
18387 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18388 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18389 within the VR_RANGE, use the VR_RANGE as the result, not the
18391 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18392 bounds for the type.
18394 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18396 * tree-ssa-alias.c (maybe_create_global_var): Change
18397 subvar walking to an assertion that we don't have subvar'd variables.
18399 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18402 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18403 Use a new variable, inner. PARM_DECLs are always non-weak.
18405 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18407 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18408 --disable-checking.
18410 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18412 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18414 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18416 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18417 (smax_insn, smin_insn, smax_0, smin_0): New.
18419 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18422 * config/cris/cris.c (cris_order_for_addsi3): New function.
18423 * config/cris/cris-protos.h: Prototype it.
18424 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18425 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18426 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18427 (split for "op.S1 [rx=rx+i],ry (swapped)")
18428 (split for "op(s|u).S1 [rx=rx+i],ry")
18429 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18430 Apply cris_order_for_addsi3 when generating addsi3 insns.
18432 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18434 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18435 (TREE_BLOCK): Add call to EXPR_CHECK.
18437 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18440 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18441 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18442 (dump_omp_clauses): ... here.
18443 (dump_generic_node): Handle OMP_CLAUSE.
18444 * tree.c (omp_clause_num_ops): New.
18445 (omp_clause_code_name): New.
18446 (tree_code_size): Handle OMP_CLAUSE.
18447 (tree_size): Likewise.
18448 (make_node): Document handling of OMP_CLAUSE.
18449 (tree_node_structure): Handle OMP_CLAUSE.
18450 (omp_clause_check_failed): New.
18451 (omp_clause_range_check_failed): New.
18452 (omp_clause_operand_check_failed): New.
18453 (build_omp_clause): New.
18454 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18455 * tree.h (enum omp_clause_code): Declare.
18456 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18457 (OMP_CLAUSE_RANGE_CHECK): Define.
18458 (OMP_CLAUSE_ELT_CHECK): Define.
18459 (omp_clause_check_failed): Declare.
18460 (omp_clause_operand_check_failed): Declare.
18461 (omp_clause_range_check_failed): Declare.
18462 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18463 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18464 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18465 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18466 (OMP_CLAUSE_IF_EXPR): Likewise.
18467 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18468 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18469 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18470 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18471 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18472 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18473 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18474 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18475 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18476 (OMP_CLAUSE_CODE): Define.
18477 (OMP_CLAUSE_SET_CODE): Define.
18478 (OMP_CLAUSE_CODE): Define.
18479 (OMP_CLAUSE_OPERAND): Define.
18480 (struct tree_omp_clause): Declare.
18481 (union tree_node): Add field 'omp_clause'.
18482 * treestruct.def (TS_OMP_CLAUSE): Define.
18483 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18484 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18485 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18486 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18487 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18488 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18489 (OMP_CLAUSE): Define.
18490 * print-tree.c (print_node): Handle OMP_CLAUSE.
18491 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18492 * c-typeck.c: Likewise.
18493 * gimplify.c: Likewise.
18494 * c-omp.c: Likewise.
18495 * tree-nested.c: Likewise.
18496 * tree-inline.c: Likewise.
18497 * c-parser.c: Likewise.
18498 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18501 2006-01-25 Roger Sayle <roger@eyesopen.com>
18503 PR rtl-optimization/25703
18504 * combine.c (try_combine): Handle zero_extract and strict_low_part
18505 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18507 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18509 * global.c: Fix comment typos.
18511 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18514 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18515 Use output_addr_const instead of assemble_name.
18517 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18519 * Makefile.in (sched-vis.o): Update dependencies.
18520 * haifa-sched.c (sched_finish): Clear current_sched_info.
18521 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18522 (dump_flow_info): Call it.
18523 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18525 * basic-block.h (dump_bb_info): Declare.
18526 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18527 option, and apply options only for dump files whose TDF_RTL,
18528 TDF_TREE, or TDF_IPA bits match.
18529 * rtl.h: Declare new functions exported from sched-vis.c.
18530 * sched-vis.c: Enable also if scheduling is not used.
18531 (print_value): Print the mode of registers if not inside scheduling.
18532 (print_insn): Make it work outside the scheduler. Beautify the output
18534 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18536 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18538 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18539 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18540 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18541 depending on the value of CONSTANT_POOL_ADDRESS_P.
18542 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18544 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18545 rather than SYMBOL_REF_DECL.
18546 (rtx_constant_pool): Remove const_rtx_sym_htab.
18547 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18548 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18549 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18550 Remove handling of const_rtx_sym_htab.
18551 (find_pool_constant): Delete.
18552 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18553 rather than find_pool_constant.
18554 (get_pool_constant_for_function): Delete.
18555 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18556 find_pool_constant.
18557 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18558 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18559 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18560 (SYMBOL_REF_CONSTANT): New macro.
18561 (get_pool_constant_for_function): Delete.
18562 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18563 rather than SYMBOL_REF_DECL.
18564 (i386_pe_mark_dllimport): Likewise.
18565 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18566 rather than SYMBOL_REF_DECL.
18567 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18568 (machopic_indirect_call_target): Likewise.
18570 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18572 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18574 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18576 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18578 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18580 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18582 2006-01-24 David Daney <ddaney@avtrex.com>
18585 * configure.ac (enable_tls): New enable option.
18586 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18587 * configure: Regenerate.
18588 * doc/install.texi (--enable-tls): Document new option.
18589 (--disable-tls): Ditto.
18591 2006-01-24 Richard Henderson <rth@redehat.com>
18593 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18594 * alias.c (true_dependence): Respect it.
18595 (canon_true_dependence, write_dependence_p): Likewise.
18596 * builtins.c (get_builtin_sync_mem): Set it.
18598 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18600 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18603 2006-01-24 DJ Delorie <dj@redhat.com>
18605 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18606 for storing constants in single-bit bitfields.
18608 2006-01-25 Ben Elliston <bje@au.ibm.com>
18610 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18612 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18615 * tree-ssa-pre.c (phi_translate): Return NULL
18616 for AGGREGATE_TYPE's.
18618 2006-01-24 Zack Weinberg <zackw@panix.com>
18620 * genautomata.c (process_state_for_insn_equiv_partition):
18621 Use xcalloc for insn_arcs_array.
18622 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18623 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18625 2006-01-24 Richard Henderson <rth@redhat.com>
18627 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18628 update all callers.
18630 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18632 PR rtl-optimization/25890
18633 PR rtl-optimization/25905
18634 * combine.c (expand_compound_operation, expand_field_assignment):
18635 Fail if the bitfield's final position is out of bounds.
18637 2006-01-24 Ian Lance Taylor <ian@airs.com>
18639 PR middle-end/25930
18640 * cgraphunit.c (cgraph_output_in_order): Don't clear
18641 cgraph_asm_nodes until after asm strings have been output.
18643 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18645 * fix-header.c (read_scan_file): Add new parameter imultilib when
18646 calling register_include_chains.
18648 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18650 * omp-low.c: Update documentation.
18652 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18653 Daniel Berlin <dberlin@dberlin.org>
18657 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18658 return from the function.
18660 2006-01-22 Zack Weinberg <zackw@panix.com>
18662 * rtl.def (match_code): Add second argument.
18663 * genpreds.c (write_extract_subexp): New function.
18664 (write_match_code): Add path argument. Use write_extract_subexp.
18665 (write_predicate_expr): Pass path to write_match_code.
18666 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18667 not perform a mode test.
18668 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18669 a subexpression does not constrain the top-level code set.
18670 * read-rtl.c (read_rtx_variadic): New function.
18671 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18672 * doc/md.texi: Document new notation.
18673 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18674 (cmpsi_operand): ... here, using new notation.
18676 2006-01-22 Zack Weinberg <zackw@panix.com>
18678 * varray.c: Remove GENERATOR_FILE #ifdefs.
18680 2006-01-22 Zack Weinberg <zackw@panix.com>
18682 * genautomata.c (output_reserved_units_table): Emit nothing if
18683 description->query_units_num is zero. Remove extra blank line.
18684 (output_cpu_unit_reservation_p): Short circuit
18685 if description->query_units_num is zero.
18687 2006-01-22 Zack Weinberg <zackw@panix.com>
18689 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18690 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18691 nor any of the random handful of variables that used to be necessary
18692 when this program was linked with rtlanal.o. Prune set of forward
18693 function declarations.
18694 (struct attr_desc): Remove static_p field.
18695 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18696 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18697 (attr_string): Do not read the character one past the length of
18699 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18700 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18701 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18702 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18703 (make_automaton_attrs): New.
18704 (main): Do not call into genautomata. Call local gen_bypass
18705 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18706 Remove special case for insn_alts.
18707 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18708 varray.h (leftover from previous change). Prune set of forward
18709 function declarations. Remove state_alts fields from all
18710 structures. Remove state_alts_table from struct automaton.
18711 Make everything except main static. Do not maintain num_dfa_decls.
18712 Do not maintain state_alts fields of various structures.
18713 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18714 (add_arc): Remove state_alts argument. All callers updated.
18715 (output_reserved_units_table): Emit #ifdef here...
18716 (output_tables): ...not here. Don't generate state_alts tables.
18717 (expand_automata): Don't generate attributes.
18718 (write_automata): Don't generate state_alts functions.
18719 (main): New function.
18720 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18721 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18722 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18723 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18724 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18725 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18726 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18727 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18729 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18730 * genattrtab.h: Delete file.
18731 * Makefile.in (OBJS-common): Add insn-automata.o.
18732 (insn-automata.o): New rule.
18733 (simple_generated_c): Add insn-automata.c.
18734 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18735 (genprogmd): Add automata.
18736 (build/genattrtab): Needs no extra objects nor libraries.
18737 (build/genautomata): Needs build/vec.o and -lm.
18739 2006-01-22 Zack Weinberg <zackw@panix.com>
18741 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18742 (output_dfa_max_issue_rate, locked_states_num): Delete.
18743 (struct automaton): Add locked_states field.
18744 (output_dead_lock_vect): Save number of locked states in
18745 automaton->locked_states. If it is zero, don't print anything.
18746 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18747 (output_internal_dead_lock_func): Only test the dead_lock_vect
18748 for automata that have locked states.
18749 (output_statistics): Always print the number of locked states for
18750 each automaton. Calculate total number of locked states here.
18751 (write_automata): Don't call output_dfa_max_issue_rate.
18752 * genattrtab.c: Define length_unit_log as a const variable.
18753 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18754 max_insn_queue_index const.
18755 * final.c (length_unit_log): Declare const.
18756 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18758 2006-01-22 Zack Weinberg <zackw@panix.com>
18760 * genautomata.c: Include vec.h, not varray.h.
18761 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18762 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18763 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18764 VEC_* macros operating on appropriately typed vectors, or to
18765 malloced arrays when the size is known in advance. Const-ify
18766 many char* variables and function arguments. No functional changes.
18767 * Makefile.in (build/varray.o): Delete rule.
18768 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18769 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18771 2006-01-22 Zack Weinberg <zackw@panix.com>
18773 * gensupport.c: Define get_insn_name and record_insn_name here.
18774 (read_md_rtx): Call record_insn_name as appropriate.
18775 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18776 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18777 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18779 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18780 (BUILD_VARRAY): Delete.
18781 (genprognormal): Rename genprogmd. Fold in all programs from
18782 genprognoprint; also attrtab.
18783 (build/genattrtab): Just mention genautomata.o and varray.o.
18784 Reorganize a bit, add comments to make the categories clearer.
18786 2006-01-22 Zack Weinberg <zackw@panix.com>
18788 * genconditions.c (condition_table, add_condition): Delete.
18789 (write_conditions): Don't emit n_insn_conditions nor
18790 insn_elision_unavailable. Issue the gcc version #ifdef here,
18791 inside the table, with no #else clause ...
18792 (write_header): ...not here.
18793 (write_writer): New function.
18794 (main): Don't initialize condition_table. Use add_c_test.
18796 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18797 files on the command line.
18798 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18799 Return -1 if there is no entry in the table, don't abort.
18800 (add_c_test, traverse_c_tests): New functions.
18801 * gensupport.h (insn_elision_unavailable, insn_conditions)
18802 (n_insn_conditions): Delete declarations.
18803 (add_c_test, traverse_c_tests): Declare.
18804 * read-rtl.c: Include gensupport.h.
18805 (read_conditions): New function.
18806 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18807 (read_rtx_1): If we get EOF when we were looking for an initial
18808 open paren, return 0. Call read_conditions when appropriate.
18809 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18810 dummy-conditions.o. Eliminate references to insn-conditions.o,
18811 or change them to build/gencondmd.o, as appropriate. Remove
18812 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18813 from $(simple_generated_c). For all files remaining in those
18814 two lists, add insn-conditions.md to the generator command line.
18815 Give insn-constants.h/s-constants their own rules. Add rules
18816 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18817 (build/read-rtl.o): Depend on gensupport.h.
18818 (genprognormal): Include preds.
18819 (genprogearly): Rename genprognoprint; only difference is now that
18820 they don't link with $(BUILD_PRINT).
18821 * dummy-conditions.c: Delete.
18823 2006-01-22 Zack Weinberg <zackw@panix.com>
18825 * genextract.c: Don't include insn-config.h. Do include vec.h.
18826 Declare vectors of int, char, and locstr.
18827 (locstr): New typedef.
18828 (struct extraction): Make all array fields into bare pointers.
18829 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18830 (insn_code_number): Delete.
18831 (accum_extract): New struct.
18832 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18833 (gen_insn): Take insn_code_number as an argument. Use an
18834 accum_extract structure instead of loading data directly into
18835 a struct extraction, and having to know how big it might get.
18836 (walk_rtx): Operate entirely on an accum_extract structure.
18837 (print_path): Avoid unnecessary use of printf.
18838 (print_header): New function, split out of main. Distinguish
18839 more carefully between an unrecognizable insn and an insn that
18840 has the code number of a define_expand.
18841 (main): Pass insn_code_number to gen_insn. Call print_header
18842 only after parsing. Avoid unnecessary use of printf.
18843 * Makefile.in (build/vec.o): New rule.
18844 (build/genextract): Depend on build/vec.o.
18845 (build/genextract.o): Don't depend on insn-config.h.
18847 2006-01-22 Zack Weinberg <zackw@panix.com>
18849 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18850 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18851 practical. Eliminate per-generator-program link rules.
18853 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18855 PR middle-end/24437
18856 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18857 with a call expr to ...
18858 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18860 2006-01-23 Richard Guenther <rguenther@suse.de>
18862 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18863 before make_edge with conditional EDGE_TRUE_VALUE.
18865 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18866 Jan Hubicka <jh@suse.cz>
18867 Richard Guenther <rguenther@suse.de>
18869 PR rtl-optimization/25654
18870 * cfgexpand.c (aggregate_contains_union_type): New function.
18871 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18872 for structure variables that contain a union type.
18874 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18876 * gengtype.c (new_structure): Return the structure.
18877 (create_option): Add an extra "next" argument.
18878 (create_field): New function.
18879 (adjust_field_rtx_def): Use create_option and create_field.
18880 Remove a now-unnecessary call to find_structure.
18881 (adjust_field_tree_def): Likewise.
18882 (note_yacc_type): Remove an unnecessary call to find_structure.
18883 * gengtype.h (new_structure): Return the structure.
18884 (create_option): Add an extra argument.
18885 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18886 (option): Adjust calls to create_option.
18888 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18890 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18892 2006-01-22 Paul Brook <paul@codesourcery.com>
18893 Peter Barada <peter@the-baradas.com>
18895 * config/m68k/m68k.md: Add Coldfire FPU support.
18896 Define FP mode macro and associated attributes.
18897 Use it for float mode patterns.
18898 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18899 (LIBCALL_VALUE): Use m68k_libcall_value.
18900 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18901 (m68k_function_value): Ditto.
18902 (emit_move_sequence): Ditto.
18903 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18904 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18905 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18906 (MULTILIB_EXCEPTIONS): Ditto.
18907 * config/m68k/m68k.opt: Add mcfv4e.
18908 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18909 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18910 (m68k_output_function_prologue): Save ColdFire FPU registers.
18911 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18912 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18913 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18914 ColdFire FPU registers.
18915 (m68k_libcall_value, m68k_function_value): New functions.
18916 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18917 (LIBCALL_VALUE): Use m68k_libcall_value.
18918 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18919 (MASK_COLDFIRE): Add MASK_CFV4E.
18920 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18921 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18922 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18923 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18924 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18925 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18926 * doc/invoke.tex: Document -mcfv4e on m68k.
18928 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18930 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18933 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18936 * c-opts.c (c_common_handle_option): Don't include
18937 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18938 * doc/invoke.texi (C++ Dialect Options): Document that
18939 -Wnon-virtual-dtor is no longer included in -Wall.
18941 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18943 * gcov.c (print_version), gcov-dump.c (print_version),
18944 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18947 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18949 * df-scan.c (problem_SCAN): Added NULL reset function.
18950 (df_scan_reset_blocks): Added code to call reset block function
18951 (df_bb_refs_delete) Fixed comment.
18952 (df_insn_refs_delete): Made tolerant of deleting non existent info
18953 for dataflow problems that need to be reset.
18954 * df-core.c (df_set_blocks): Ditto.
18955 * df.h (struct df_problem): Added reset_fun.
18956 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18957 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18958 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18959 functions to clear out all references to def-use or use-def chains.
18961 2006-01-21 Ben Elliston <bje@au.ibm.com>
18963 * varasm.c (assemble_real): Initialise data array.
18965 2006-01-20 Paul Brook <paul@codesourcery.com>
18967 Merge from csl-arm-branch.
18968 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18969 * config/arm/arm.md (movdi): Force operands[1] to a register
18970 if we have a non-register source.
18971 (*arm_movdi, *movdf_soft_insn): Require that one of the
18972 operands be a register.
18973 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18974 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18976 2006-01-20 DJ Delorie <dj@redhat.com>
18978 * varasm.c (initializer_constant_valid_p): Allow pointers
18979 initialized from integer constants of lesser precision.
18980 (output_constant): Allow non-int-sized pointer modes to be
18981 initialized from integer constants.
18983 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18986 * cppdefault.h (struct default_include): Add multilib flag.
18987 * cppdefault.c (cpp_include_defaults): Set it.
18988 * c.opt (-imultilib): New option.
18989 * c-opts.c (imultilib): New.
18990 (c_common_handle_option): Handle -imultilib.
18991 (c_common_post_options): Likewise.
18992 * c-incpath.c (add_standard_paths, register_include_chains):
18994 * c-incpath.h (register_include_chains): Add extra parameter.
18995 * gcc.c (do_spec_1): Generate -imultilib option.
18996 (The Specs Language): Update %I description.
18997 (process_command): Update copyright notice.
18998 * doc/cppopts.texi (-imultilib): Document.
18999 * doc/invoke.texi (-imultilib): Include in option summary.
19000 (%I): Update specs documentation.
19002 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19004 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19006 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19008 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19011 2006-01-20 Richard Guenther <rguenther@suse.de>
19012 Steven Bosscher <stevenb.gcc@gmail.com>
19014 PR rtl-optimization/24626
19015 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19016 EDGE_TRUE_VALUE if in RTL mode.
19019 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19020 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19022 2006-01-20 Dirk Mueller <dmueller@suse.com>
19025 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19026 instead of a special NOP marker.
19027 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19028 NOP marker handling.
19029 * c-common.h (empty_body_warning): Add forward declaration.
19030 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19031 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19033 2006-01-20 Paul Brook <paul@codesourcery.com>
19035 * Makefile.in (lang_checks): Keep going if mkdir fails.
19037 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19039 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19040 be able to clean out basic block when not necessary.
19041 (df_scan_free): Fixed to properly delete information if df is
19042 unused before calling df_finish.
19043 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19044 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19046 (df_bb_refs_delete): New function.
19047 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19048 * df-core.c (df_set_blocks): Added code to properly clean out
19049 unused blocks if they are not part of the blocks to consider.
19050 Added additional null check.
19051 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19052 be able to clean out basic block when not necessary
19053 * df.h (df_free_bb_function): Ditto.
19054 (df_bb_refs_delete): New function.
19055 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19056 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19057 basic block parameter to be able to clean out basic block when not
19059 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19060 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19061 Fixed to properly delete information if df is unused before
19064 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19066 PR rtl-optimization/25799
19067 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19068 Corrected confluence operator to remove bits from op2 before oring
19069 with op1 rather than removing bits from op1.
19070 (df_ru_transfer_function): Corrected test on wrong bitmap which
19071 caused infinite loop. Both of these problems were introduced in
19072 the dataflow rewrite.
19074 2006-01-19 DJ Delorie <dj@redhat.com>
19076 * reload1.c (find_reload_regs): Note the details of reload
19077 failures in the dump file.
19078 (spill_failure): Likewise.
19080 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19082 * loop-iv.c: Include df.h and hashtab.h.
19083 (enum iv_grd_result): New enum.
19084 (DF_REF_IV, DF_REF_IV_SET): New macros.
19085 (struct biv_entry): New.
19086 (df, bivs): New global variables.
19087 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19088 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19090 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19091 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19092 analyzed_for_bivness_p, record_biv): New functions.
19093 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19094 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19095 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19097 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19099 (iv_number_of_iterations): Use new interface to iv analysis.
19100 * loop-unroll.c: Do not include varray.h.
19101 (analyze_iv_to_split_insn): Use new interface to iv
19103 * loop-unswitch.c (may_unswitch_on): Ditto.
19104 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19106 (df_bb_modify): Realloc tables to the new index.
19107 (df_find_use): New function.
19108 * df.h (df_find_use): Declare.
19109 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19111 * cfgloop.h (struct rtx_iv): Remove analysed field.
19112 (iv_get_reaching_def): Removed.
19113 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19114 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19115 (loop-iv.o): Add df.h and hashtab.h dependency.
19116 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19118 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19121 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19123 (__floatundisf, __floatundidf): Likewise.
19124 * libgcc2.h (IS_IBM_EXTENDED): Define.
19126 2006-01-19 DJ Delorie <dj@redhat.com>
19128 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19130 2006-01-19 Paul Brook <paul@codesourcery.com>
19132 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19133 as nothrow when unwinding tables are disabled.
19135 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19138 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19139 of bit-field" when in system header.
19141 2006-01-19 DJ Delorie <dj@redhat.com>
19143 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19144 the 16 bit shift limit of the m16c.
19146 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19149 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19150 * config/i386/i386.c (output_set_got): Output the label if we have one
19151 for the TARGET_DEEP_BRANCH_PREDICTION case.
19153 2006-01-19 Jan Hubicka <jh@suse.cz>
19154 H.J. Lu <hongjiu.lu@intel.com>
19155 Evandro Menezes <evandro.menezes@amd.com>
19157 * invoke.texi (generic): Document
19159 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19160 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19161 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19162 (x86_use_incdec, x86_pad_returns): New variables
19163 (TARGET_CPU_DEFAULT_generic): New constant
19164 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19165 (enum processor_type): Add generic32 and generic64.
19166 * i386.md (cpu attribute): Add generic32/generic64
19167 (movhi splitter): Behave sanely when both partial_reg_dependency and
19168 partial_reg_stall are set.
19169 (K8 splitters): Enable for generic as well.
19170 * predicates.md (incdec_operand): Use TARGET_INCDEC
19171 (aligned_operand): Avoid memory mismatch stalls.
19172 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19173 * ppro.md: Enable for generic32
19174 * i386.c (generic64_cost, generic32_cost): New.
19175 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19176 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19177 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19178 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19179 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19180 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19181 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19182 x86_accumulate_outgoing_args, x86_prologue_using_move,
19183 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19184 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19185 Enable for generic.
19186 (x86_use_incdec, x86_pad_returns): New.
19187 (override_options): Add generic32 and generic64, translate "generic"
19188 to generic32/generic64 and "i686" to "generic32", refuse
19189 "generic32"/"generic64" as arch target.
19190 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19191 (ix86_reorg): Honor PAD_RETURNS.
19193 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19195 * tree-pretty-print.c (dump_generic_node): Handle
19196 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19197 * cgraph.c (cgraph_expand_queue): Rename from
19198 cgraph_analyze_queue. Update all users.
19199 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19200 cgraph_expand_queue.
19201 (cgraph_expand_all_functions): Likewise.
19202 (cgraph_finalize_pending_functions): Remove. Update callers.
19204 * tree.h (OMP_DIRECTIVE_P): Define.
19205 (OMP_PARALLEL_FN): Define.
19206 (OMP_PARALLEL_DATA_ARG): Define.
19207 (OMP_SECTIONS_SECTIONS): Define.
19208 * tree-pass.h (pass_expand_omp): Declare.
19209 * omp-low.c (struct omp_region): Declare.
19210 (struct omp_context): Remove fields 'parallel_type',
19211 'parallel_start_ix' and 'parallel_start_additional_args'.
19213 (struct omp_for_data): Rename from struct expand_omp_for_data.
19214 (omp_regions): New static variable.
19215 (root_omp_region): New static variable.
19216 (find_omp_clause): Make static.
19217 (is_in_combined_parallel_ctx): Remove.
19218 (is_combined_parallel): New.
19219 (extract_omp_for_data): Move earlier in the file.
19220 (workshare_safe_to_combine_p): New.
19221 (get_ws_args_for): New.
19222 (determine_parallel_type): Move earlier in the file.
19223 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19225 (omp_copy_decl): Likewise.
19226 (create_omp_child_function): Likewise.
19227 (lookup_omp_region): New.
19228 (dump_omp_region): New.
19229 (debug_omp_region): New.
19230 (debug_all_omp_regions): New.
19231 (new_omp_region): New.
19232 (scan_omp_parallel): If parallel_nesting_level > 1, the
19233 directive is nested within another parallel directive.
19234 Set OMP_PARALLEL_FN.
19235 (scan_omp_for): Do not try to handle combined parallel+for
19237 Remove FIXME comment.
19238 (scan_omp_nested): Remove.
19239 (scan_omp_1): Do not call scan_omp_nested when
19240 parallel_nesting_level is > 1.
19241 Do not change the DECL_CONTEXT of local variables found.
19242 (lookup_decl_in_outer_ctx): New.
19243 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19244 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19245 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19246 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19247 If CTX is nested, lookup VAR in the outer context when
19248 building copy assignment.
19249 (lower_send_clauses): Rename from expand_send_clauses.
19250 If CTX is nested, lookup VAR in the outer context when
19251 building copy assignments.
19252 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19253 If CTX is nested, lookup VAR in the outer context when
19254 building copy assignments.
19255 (expand_parallel_call): Rename from build_parallel_call.
19256 Handle combined parallel+workshare cases.
19257 Re-implement to emit code into the CFG.
19259 (expand_omp_parallel): Re-implement to emit code into the CFG.
19260 Call move_sese_region_to_fn to outline the sub-graph
19261 containing the parallel region.
19262 (expand_omp_for_1): Remove.
19263 (expand_omp_for_generic): Re-implement to emit code into the
19265 (expand_omp_for_static_nochunk): Likewise.
19266 (expand_omp_for_static_chunk): Likewise.
19267 (expand_omp_for): Likewise.
19268 (expand_omp_sections): Likewise.
19269 (remove_exit_barriers): New.
19270 (expand_omp_synch): New.
19272 (build_omp_regions_1): New.
19273 (build_omp_regions): New.
19274 (execute_expand_omp): New.
19275 (gate_expand_omp): New.
19276 (pass_expand_omp): Define.
19277 (lower_omp_sections): Rename from expand_omp_sections.
19278 Set OMP_SECTIONS_SECTIONS.
19279 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19280 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19281 (lower_omp_single): Rename from expand_omp_simple.
19282 (lower_omp_master): Rename from expand_omp_master.
19283 (lower_omp_ordered): Rename from expand_omp_ordered.
19284 (lower_omp_critical): Rename from expand_omp_critical.
19285 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19286 (lower_omp_for): Re-implement.
19287 (lower_omp_parallel): Re-implement.
19288 (lower_regimplify): Rename from expand_regimplify.
19289 (lower_omp_1): Rename from expand_omp_1.
19290 If there are syntax errors in the program, replace every
19291 OpenMP directive with NOP.
19292 Call lower_omp_* instead of expand_omp_*.
19293 (lower_omp): Rename from expand_omp.
19295 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19296 * tree-gimple.h (enum omp_parallel_type): Remove.
19297 (gimple_boolify): Declare extern.
19298 (find_omp_clause, determine_parallel_type): Remove.
19300 * gimple-low.c (lower_omp_directive): New.
19301 (lower_stmt): Call it.
19302 (record_vars_into): Move from ...
19303 (record_vars): ... here.
19304 Call record_vars_into with current_function_decl.
19306 * gimplify.c (struct gimplify_ctx): Remove fields
19307 combined_pre_p and combined_ctxp. Update users.
19308 (get_formal_tmp_var): Add documentation.
19309 (gimple_boolify): Make extern.
19310 (gimplify_expr_in_ctx): Remove. Update callers.
19311 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19312 will always be a BIND_EXPR.
19313 (gimplify_expr): Handle OMP_RETURN_EXPR.
19314 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19315 (OMP_PARALLEL): Add 3 operands.
19316 (OMP_SECTIONS): Add 1 operand.
19317 (OMP_RETURN_EXPR): Define.
19319 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19320 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19321 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19322 creating a circular free list.
19323 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19325 * tree-flow.h (move_sese_region_to_fn): Declare.
19326 (record_vars_into): Declare.
19327 * tree-cfg.c (make_omp_sections_edges): New.
19328 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19329 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19330 OMP_SECTIONS and OMP_SECTION.
19331 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19332 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19333 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19334 (gather_blocks_in_sese_region): New.
19335 (struct move_stmt_d): Declare.
19336 (move_stmt_r): New.
19337 (move_block_to_fn): New.
19338 (move_sese_region_to_fn): New.
19340 * passes.c (init_optimization_passes): Schedule
19341 pass_expand_omp after pass_init_datastructures.
19343 * tree-ssa-operands.c (get_expr_operands): Handle
19344 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19345 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19347 2006-01-19 Jeff Law <law@redhat.com>
19349 * tree-vrp.c (extract_range_from_assert): Refine the result range
19350 if the variable referenced by the ASSERT_EXPR has a range and
19351 either the tentative result range or the previous range is a
19354 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19356 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19358 2006-01-19 Jan Hubicka <jh@suse.cz>
19360 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19362 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19364 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19365 (expand_compound_operation, expand_field_assignment): Fail if the
19366 bit lengths of an extract operation are out of range.
19367 (make_extraction): Compute wanted_inner_mode based on the position
19368 and length of the extraction. Make it extraction_mode for non-constant
19369 positions, and do not modify offset in that case. When generating a
19370 new MEM, use a mode that can hold the extraction while keeping correct
19371 alignment. Remove code that supported MEMs wrapped by USEs.
19372 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19374 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19376 * config/s390/s390.md ("Y", "y"): New mode attribute.
19377 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19378 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19379 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19380 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19381 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19382 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19383 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19384 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19385 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19386 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19387 "addsi3", "subsi3"): Insn patterns removed.
19388 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19389 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19390 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19391 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19392 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19393 "*sub<mode>3_cconly2"): New insn patterns.
19394 ("addsi3", "subsi3"): New expanders.
19396 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19398 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19399 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19400 existing STMT_VINFO_VECTYPE if available.
19401 (vect_mark_relevant): Add special handling for stmts that are
19402 marked as STMT_VINFO_IN_PATTERN_P.
19403 (vect_analyze_loop): Call vect_pattern_recog.
19404 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19405 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19407 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19408 (vect_recog_func_ptr): New function-pointer type.
19409 * tree-vect-patterns.c: New file.
19410 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19411 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19412 (vect_pattern_recog_1): New functions.
19413 (vect_pattern_recog_funcs): New array of function pointers.
19415 * tree-vectorizer.h (ternary_op): New enum value.
19416 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19417 declaration. Revised documentation. Removed redundant dump prints.
19418 Removed redundant argument. Added support for reduction patterns.
19419 (vectorizable_reduction): Added support for reduction patterns.
19420 (vect_transform_stmt): Added support for patterns.
19422 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19423 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19424 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19425 (expand_widen_pattern_expr): New function.
19426 (init_optabs): Initialize new optabs udot_prod_optab,
19428 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19429 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19430 (expand_widen_pattern_expr): New function declaration.
19431 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19433 * tree-inline.c (estimate_num_insns_1): Added cases for new
19434 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19435 * tree-pretty-print.c (dump_generic_node): Likewise.
19436 (op_prio): Likewise.
19437 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19438 * tree-ssa-operands.c (get_expr_operands): Added case for
19440 * tree-vect-patterns.c (widened_name_p): New function.
19441 (vect_recog_dot_prod_pattern): Added function implementation.
19442 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19443 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19444 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19445 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19447 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19448 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19449 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19450 (init_optabs): Initialize new optabs widen_ssum_optab,
19452 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19453 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19454 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19455 use instead of type of def.
19456 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19457 function implementation.
19458 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19459 widen_ssumv8hi): New.
19461 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19464 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19467 * c-decl.c (add_flexible_array_elts_to_size): New function.
19468 (finish_decl): Use it.
19470 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19472 * diagnostic.h: Include options.h.
19473 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19474 dependancies for diagnostic.h.
19475 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19477 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19479 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19480 (ssa_ro_call_cache_valid): Ditto.
19481 * tree-ssa-alias.c (sort_tags_by_id): New function.
19482 (init_transitive_clobber_worklist): Ditto.
19483 (add_to_worklist): Ditto.
19484 (mark_aliases_call_clobbered): Ditto.
19485 (compute_tag_properties): Ditto.
19486 (set_initial_properties): Ditto.
19487 (compute_call_clobbered): Ditto.
19488 (compute_may_aliases): Call compute_call_clobbered and grouping.
19489 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19490 (compute_flow_insensitive_aliasing): Grouping now happens in our
19492 (setup_pointers_and_addressables): Remove clobbering related code.
19493 (add_may_alias): Ditto.
19494 (replace_may_alias): Ditto.
19495 (get_nmt_for): Ditto.
19496 (create_global_var):
19497 (is_escape_site): Return an escape_type enumeration.
19498 * tree-flow-inline.h (is_call_clobbered): Global var does not
19499 imply call clobbered.
19500 (mark_call_clobbered): Take a reason for marking this. Remove
19501 marking of globalness, and cache invalidation.
19502 (clear_call_clobbered): Remove cache invalidation code.
19503 * tree-dfa.c (dump_variable): If details is on, dump the reason
19505 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19507 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19508 (struct var_ann_d): Ditto.
19509 (enum escape_type): New.
19510 (mark_call_clobbered): Adjust prototype.
19511 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19512 are never call clobbered.
19513 Record reasons for escaping.
19514 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19515 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19516 (ssa_ro_call_cache_valid): Ditto.
19517 (clobbered_v_may_defs): Ditto.
19518 (clobbered_vuses): Ditto.
19519 (ro_call_vuses): Ditto.
19520 (clobber_stats): New.
19521 (init_ssa_operands): Zero out clobber stats.
19522 (fini_ssa_operands): Print out clobber stats.
19523 (get_call_expr_operands): Pass callee fndecl to
19524 add_call_read_ops).
19525 (add_call_clobber_ops): Remove use of cache.
19526 Add use of PURE_CONST information.
19527 (add_call_read_ops): Remove use of cache.
19528 Add use of static not_read information.
19530 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19532 Introduce TLS descriptors for i386 and x86_64.
19533 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19534 (TARGET_ANY_GNU_TLS): New macro.
19535 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19536 (struct machine_function): Add tls_descriptor_call_expanded_p.
19537 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19538 (ix86_current_function_calls_tls_descriptor): Likewise.
19539 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19540 (override_options): Introduce gnu2 tls dialect.
19541 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19543 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19545 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19546 (ix86_init_machine_status): Initialize new field.
19547 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19548 (ix86_tls_module_base): New.
19549 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19550 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19551 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19552 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19553 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19554 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19555 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19556 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19557 * config/i386/predicates.md (tls_modbase_operand): New.
19558 (tp_or_register_operand): New.
19560 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19562 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19563 (look_for_address_of): Ditto.
19564 (ipa_init): Walk the function decls.
19565 (static_execute): Don't set readonly on FUNCTION_DECL's.
19567 2006-01-18 Roger Sayle <roger@eyesopen.com>
19569 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19570 for shifts where the source and destination registers are different.
19572 2006-01-18 Paul Brook <paul@codesourcery.com>
19574 Merge from csl-arm-branch.
19575 2005-03-14 Julian Brown <julian@codesourcery.com>
19576 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19577 (aeabi_llsl): Likewise.
19578 (ashrdi3): Likewise.
19579 (aeabi_lasr): Likewise.
19580 (lshrdi3): Likewise.
19581 (aeabi_llsr): Likewise.
19582 2005-03-10 Julian Brown <julian@codesourcery.com>
19583 * config.gcc: Disable shared libgcc for SymbianOS.
19584 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19586 2006-01-18 DJ Delorie <dj@redhat.com>
19588 * c-pragma.c (handle_pragma_diagnostic): New.
19589 (init_pragma): Register it.
19590 * doc/extend.texi: Document it.
19592 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19593 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19594 (diagnostic_context): Add classify_diagnostic[].
19595 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19596 as errors if they're overridden to DK_WARNING.
19597 (diagnostic_initialize): Initialize classify_diagnostic[].
19598 (diagnostic_set_kind_override): New.
19599 (diagnostic_report_diagnostic): Check for kind changes.
19600 * opts.c (common_handle_option): Take lang_mask. Update callers.
19601 Handle OPT_Werror_.
19602 * common.opt (Werror=): New.
19603 * doc/invoke.texi: Document -Werror=*
19605 2006-01-18 Jeff Law <law@redhat.com>
19607 * tree-vrp.c (test_for_singularity): Correct test for new
19608 min limit. Use operand_equal_p rather than pointer equality
19609 for testing if new min/max values are equal.
19611 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19612 using range information until after propagation and folding.
19614 2006-01-18 Richard Henderson <rth@redhat.com>
19615 Aldy Hernandez <aldyh@redhat.com>
19616 Jakub Jelinek <jakub@redhat.com>
19617 Diego Novillo <dnovillo@redhat.com>
19619 * omp-low.c: New file.
19620 * c-omp.c: New file.
19622 2006-01-18 Richard Henderson <rth@redhat.com>
19623 Jakub Jelinek <jakub@redhat.com>
19624 Diego Novillo <dnovillo@redhat.com>
19626 * doc/invoke.texi: Document -fopenmp.
19627 * tree-dump.h (debug_function): Declare.
19628 * hooks.c (hook_bool_tree_bool_false): New function.
19629 (hook_tree_tree_null): Remove.
19630 (hook_tree_tree_tree_null): New.
19631 * hooks.h: Update to match.
19632 * tree-pretty-print.c (debug_tree_chain): New.
19633 (print_generic_expr): Handle TDF_CHAIN.
19634 (dump_generic_node): Handle BLOCK.
19635 Do not abort with incomplete SWITCH_EXPRs.
19636 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19637 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19638 print space after directive name.
19639 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19640 Handle OMP_MASTER and OMP_ORDERED.
19641 Handle printing of OMP_BODY just in one place, goto
19642 dump_omp_body in the rest of OMP_* nodes that have
19644 Don't handle clause nodes here. Update omp statements to
19645 use dump_omp_clauses.
19646 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19647 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19648 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19649 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19650 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19651 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19652 Adjust output for GOMP_PARALLEL.
19653 (dump_omp_clauses): New.
19654 (print_declaration): Dump DECL_VALUE_EXPR.
19655 (op_symbol_1): Split out of op_symbol.
19656 (dumping_stmts): Remove. Update all users.
19657 * cgraph.c (cgraph_analyze_queue): New.
19658 (cgraph_add_new_function): New.
19659 * cgraph.h (cgraph_analyze_queue): Declare.
19660 (cgraph_add_new_function): Declare.
19661 (cgraph_lower_function): Remove.
19662 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19663 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19664 and TYPE_P nodes in its default clause.
19665 (empty_body_p): New.
19666 (tree_range_check_failed): New.
19667 (build5_stat): New.
19668 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19669 OMP_CLAUSE_REDUCTION_MERGE,
19670 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19671 OMP_CLAUSE_PRIVATE_DEBUG,
19672 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19673 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19674 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19675 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19676 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19677 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19678 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19679 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19680 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19681 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19682 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19683 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19684 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19685 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19686 (TREE_RANGE_CHECK): New.
19687 (empty_body_p): Declare.
19688 (enum omp_clause_default_kind): New.
19689 (build_string_literal): Declare.
19690 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19691 (build5_stat, build5): Declare.
19692 * tree-pass.h (TDF_CHAIN): Define.
19693 * tree-pass.h (PROP_gimple_lomp): Define.
19694 (pass_lower_omp): Declare.
19695 * diagnostic.h (debug_tree_chain): Declare.
19696 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19698 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19699 * builtins.c (build_string_literal): Make extern.
19700 * gcc.c (include_spec_function): New.
19701 (static_spec_functions): Add it.
19702 (main): Move load of libgomp.spec ...
19703 (LINK_COMMAND_SPEC): ... here.
19704 (link_gomp_spec): New.
19705 (static_specs): Include it.
19706 (LINK_COMMAND_SPEC): Add link_gomp.
19707 (GOMP_SELF_SPECS): New.
19708 (driver_self_specs): Include it.
19709 (switch_matches): Don't mark inline.
19710 (main): Load libgomp.spec.
19711 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19712 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19713 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19714 * tree-gimple.h (enum omp_parallel): Declare.
19715 (determine_parallel_type): Declare.
19716 (omp_firstprivatize_variable): Declare.
19717 (omp_reduction_init): Declare.
19718 (diagnose_omp_structured_block_errors): Declare.
19719 (struct walk_stmt_info): Add want_return_expr.
19720 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19721 (find_omp_clause): Declare.
19722 (insert_field_into_struct): Declare.
19723 (struct walk_stmt_info): Move from tree-nested.c
19724 (walk_stmts): Declare.
19725 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19727 * cgraphunit.c (cgraph_lower_function): Make static.
19728 (cgraph_finalize_pending_functions): New.
19729 (cgraph_finalize_function): Call it.
19730 (cgraph_finalize_compilation_unit): Likewise.
19731 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19732 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19733 (BT_FN_UINT_UINT): New.
19734 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19735 DEF_FUNCTION_TYPE_VAR_4): Document.
19736 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19737 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19738 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19739 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19740 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19741 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19742 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19743 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19744 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19745 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19746 into separate files.
19747 (DEF_GOMP_BUILTIN): New.
19748 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19749 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19750 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19751 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19752 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19753 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19754 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19755 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19756 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19757 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19758 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19759 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19760 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19761 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19762 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19763 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19764 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19765 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19766 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19767 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19768 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19769 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19770 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19771 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19772 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19773 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19774 * sync-builtins.def: New file, moved from builtins.def.
19775 * omp-builtins.def: New file, moved from builtins.def.
19776 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19777 * gimple-low.c (lower_function_body): Clear data.
19778 (lower_stmt): Do not handle COMPOUND_EXPR.
19779 Remove call to print_node_brief.
19780 * c-tree.h (c_finish_omp_clauses): New prototype.
19781 (C_DECL_THREADPRIVATE_P): Define.
19782 (lookup_name_no_remap, c_omp_remap_private): Remove
19783 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19784 (check_for_loop_decls): Update decl.
19785 (lookup_name_no_remap, c_omp_remap_private): Declare.
19786 (build_indirect_ref, build_modify_expr, pushdecl,
19787 pushdecl_top_level): Move to c-common.h.
19788 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19789 before the switch, but just in the 2 places that need it.
19790 * c-decl.c (diagnose_mismatched_decls): Do not check for
19791 mismatched thread-local attributes when OLDDECL is marked
19792 threadprivate and NEWDECL has no thread-local attributes.
19793 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19794 (c_gimple_diagnostics_recursively): Rename from
19795 c_warn_unused_result_recursively. Invoke
19796 diagnose_omp_structured_block_errors.
19797 (check_for_loop_decls): Return a singular decl found.
19798 * langhooks.c (lhd_omp_predetermined_sharing): Return
19799 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19800 (lhd_omp_firstprivatize_type_sizes): New.
19801 (lhd_omp_assignment): New.
19802 (lhd_omp_predetermined_sharing): New.
19803 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19804 (struct lang_hooks_for_types): Add
19805 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19806 omp_predetermined_sharing, omp_disregard_value_expr,
19807 omp_private_debug_clause, omp_clause_default_ctor,
19808 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19809 (c_finish_omp_clauses): New.
19810 (c_finish_bc_stmt): Diagnose break within omp for.
19811 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19812 (build_unary_op): Return error_mark after reporting
19814 (build_modify_expr): Likewise.
19815 * gimplify.c: Include optabs.h and pointer-set.h.
19816 (enum gimplify_omp_var_data): Declare.
19817 (struct gimplify_omp_ctx): Declare.
19818 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19820 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19821 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19822 (splay_tree_compare_decl_uid): New.
19823 (new_omp_context): New.
19824 (delete_omp_context): New.
19825 (gimple_add_tmp_var): Call omp_add_variable.
19826 (gimplify_bind_expr): Likewise.
19827 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19828 true, disregard DECL_VALUE_EXPR on the decl if any.
19829 (gimplify_expr_in_ctx): New.
19830 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19831 omp_add_variable, omp_notice_variable, omp_is_private
19832 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19833 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19834 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19835 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19836 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19837 gimplify_omp_atomic): New.
19838 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19839 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19840 OMP_CRITICAL and OMP_ATOMIC.
19841 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19842 * c-pragma.h (enum pragma_kind): Add
19843 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19844 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19845 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19846 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19847 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19848 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19849 PRAGMA_OMP_THREADPRIVATE.
19850 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19851 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19852 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19853 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19854 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19855 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19856 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19857 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19858 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19859 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19860 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19861 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19862 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19864 (struct nesting_info): Add field_map,
19865 suppress_expansion, debug_var_chain.
19866 (create_nesting_tree): Initialize them.
19867 (lookup_field_for_decl): Use field_map.
19868 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19869 (convert_local_omp_clauses): New.
19870 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19871 (walk_body): Split out of walk_function.
19872 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19873 (convert_nonlocal_reference): Handle omp statements.
19874 (convert_local_reference): Likewise.
19875 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19876 (unnest_nesting_tree): New.
19877 (lower_nested_functions): Call it.
19878 (insert_field_into_struct): Make extern.
19879 (struct walk_stmt_info): Move to tree-gimple.h.
19880 (walk_stmts): Make extern.
19881 * omp-builtins.def: New file.
19882 * tree-iterator.c (expr_only): Clarify comment.
19883 * c-common.h (pushdecl_top_level, pushdecl,
19884 build_modify_expr, build_indirect_ref,
19885 c_finish_omp_master, c_finish_omp_critical,
19886 c_finish_omp_ordered, c_finish_omp_barrier,
19887 c_finish_omp_atomic, c_finish_omp_flush,
19888 c_finish_omp_for, c_split_parallel_clauses,
19889 omp_clause_default_kind, c_omp_sharing_predetermined,
19890 c_omp_remap_decl): Declare.
19891 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19892 (OBJS-common): Add omp-low.o.
19893 (c-omp.o, omp-low.o): Add.
19894 (gimplify.o): Add dependency on $(OPTABS_H).
19895 (GTFILES): Add omp-low.c.
19896 (gt-stringpool.h): Add.
19897 * tree-cfg.c (set_bb_for_stmt): Do not update the
19898 block-to-labels map if we are currently expanding to RTL.
19899 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19901 Handle IDENTIFIER_NODE.
19902 (tree_verify_flow_info): Do not ICE when emitting error
19903 messages about invalid labels.
19904 (dump_function_to_file): Reset CFUN before emitting the body
19906 (debug_function): New.
19907 * passes.c (init_optimization_passes): Schedule
19909 * langhooks-def.h (lhd_omp_predetermined_sharing,
19910 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19912 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19913 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19914 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19915 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19916 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19917 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19918 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19919 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19920 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19921 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19922 (LANG_HOOK_DECLS): Use them.
19924 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19925 Richard Henderson <rth@redhat.com>
19926 Jakub Jelinek <jakub@redhat.com>
19927 Diego Novillo <dnovillo@redhat.com>
19929 * c-parser.c (pragma_omp_clause): Define.
19930 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19931 (c_parser_compound_statement): Likewise.
19932 (c_parser_statement): Likewise.
19933 (c_parser_pragma): Handle omp pragmas.
19934 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19935 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19936 (c_parser_omp_clause_name, check_no_duplicate_clause,
19937 c_parser_omp_variable_list,
19938 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19939 c_parser_omp_clause_copyprivate,
19940 c_parser_omp_clause_default,
19941 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19942 c_parser_omp_clause_lastprivate,
19943 c_parser_omp_clause_nowait,
19944 c_parser_omp_clause_num_threads,
19945 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19946 c_parser_omp_clause_reduction,
19947 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19948 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19949 c_parser_omp_atomic, c_parser_omp_barrier,
19950 c_parser_omp_critical, c_parser_omp_flush,
19951 c_parser_omp_for_loop, c_parser_omp_for,
19952 c_parser_omp_master, c_parser_omp_ordered,
19953 c_parser_omp_sections_scope, c_parser_omp_sections,
19954 c_parser_omp_parallel, c_parser_omp_single,
19955 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19956 * c-pragma.c (init_pragma): Do omp pragma registration here.
19957 * c.opt (fopenmp): New flag.
19959 2006-01-18 Eric Christopher <echristo@apple.com>
19961 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19962 * config/darwin.h (GOMP_SELF_SPECS): Define.
19964 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19966 * rtl.h: Remove the prototype for reg_alloc.
19968 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19971 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19972 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19973 sjlj and dwarf2 exception handling.
19974 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19975 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19976 * pa/pa.c (function_value): Treat complex and vector types as
19978 (function_arg): Likewise. Only pass scalar floats in the floating
19979 point argument registers.
19980 * pa/t-slibgcc-dwarf-ver: New file.
19981 * pa/t-slibgcc-sjlj-ver: New file.
19982 * pa/t-slibgcc-elf-ver: Delete file.
19984 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19986 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19987 unlikely_test_section_p test.
19989 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19991 * mode-switching.c (optimize_mode_switching): Make it static.
19992 * basic-block.h: Remove the prototype for
19993 optimize_mode_switching.
19995 * modulo-sched.c (sms_schedule): Make it static.
19996 * rtl.h: Remove the prototype for sms_schedule.
19998 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19999 * rtl.h: Remove the prototype for gcse_after_reload_main.
20001 * reg-stack.c (reg_to_stack): Make it static.
20002 * rtl.h: Remove the prototype for reg_to_stack.
20004 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20006 * rtl.h: Remove the prototypes for regrename_optimize and
20007 copyprop_hardreg_forward.
20009 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20011 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20012 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20013 Test against the appropriate null constant for the mode.
20014 If 'fixup_overlap' is true, swap the operands if they overlap.
20015 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20016 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20017 alpha_split_tmode_pair and adjust for above change.
20018 * config/alpha/alpha.md (movtf_internal): Adjust call to
20019 alpha_split_tfmode_pair and rely on it to swap the operands.
20020 (movti_internal): New insn and post-reload splitter.
20021 (movti): New expander.
20023 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20025 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20028 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20030 * rtlanal.c (global_reg_mentioned_p_1,
20031 global_reg_mentioned_p): Remove.
20032 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20034 * flow.c (initialize_uninitialized_subregs): Make it static.
20035 * rtl.h: Remove the prototype for
20036 initialize_uninitialized_subregs.
20038 * function.c (instantiate_virtual_regs): Make it static.
20039 * function.h: Remove the prototype for
20040 instantiate_virtual_regs.
20042 * regmove.c (regmove_optimize, combine_stack_adjustments):
20044 * rtl.h: Remove the prototypes for regmove_optimize and
20045 combine_stack_adjustments.
20047 2006-01-17 Roger Sayle <roger@eyesopen.com>
20049 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20050 (size_cost): Encode costs in bytes so that a reg-reg addition is
20051 equivalent to COSTS_N_INSNS(1).
20052 (override_options): Use the size_cost.branch_cost as the default
20053 ix86_branch_cost when optimizing for size.
20055 2006-01-18 Ben Elliston <bje@au.ibm.com>
20057 * Makefile.in (D32PBIT_FUNCS): New.
20058 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20059 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20060 D64PBIT_FUNCS and D128PBIT_FUNCS.
20061 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20062 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20064 (decnumber_dep): Define.
20065 * doc/libgcc.texi (Decimal float library routines): New node.
20066 * config/dfp-bit.h, config/dfp-bit.c: New files.
20068 2006-01-18 Ben Elliston <bje@au.ibm.com>
20070 * expr.c (emit_move_change_mode): Always adjust addresses, not
20071 just during reload. Copy replacements only during reload.
20072 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20073 emit_move_via_integer.
20075 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20077 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20078 instead of $(srcdir) and ${srcdir}.
20080 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20083 PR middle-end/11135
20084 * arm.h (struct machine_function): Add pic_reg.
20085 * arm.c (arm_pic_register): Make unsigned.
20086 (arm_override_options): Only set arm_pic_register if
20087 TARGET_SINGLE_PIC_BASE.
20088 (use_return_insn): Only test for a pic register if it is fixed.
20089 (arm_compute_save_reg0_reg12_mask): Likewise.
20090 (thumb_compute_save_reg_mask): Likewise.
20091 (legitimate_pic_operand): Factor out some known invariants.
20092 (legitimize_pic_address): If we don't have a fixed pic register,
20093 then set up a pseudo in the function entry sequence. Handle the
20094 pic base being in a pseudo.
20095 (arm_load_pic_register): Handle the pic register being in a pseudo.
20096 (arm_expand_prologue): Only set up the pic register if it is fixed.
20097 (thumb_expand_prologue): Likewise.
20098 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20099 (pic_load_addr_based_insn): Likewise.
20100 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20103 2006-01-18 Ben Elliston <bje@au.ibm.com>
20105 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20106 decimal float modes for all floating point registers.
20108 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20109 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20111 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20114 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20115 even when the pointer is not NULL.
20117 2006-01-16 Ian Lance Taylor <ian@airs.com>
20119 * common.opt (ftoplevel-reorder): New option.
20120 * cgraph.c (cgraph_asm_nodes): New global variable.
20121 (cgraph_asm_last_node): New static variable.
20122 (cgraph_order): New global variable.
20123 (cgraph_create_node): Set new order field.
20124 (cgraph_varpool_node): Likewise.
20125 (decide_is_variable_needed): Return true if not
20126 flag_toplevel_reorder.
20127 (cgraph_add_asm_node): New function.
20128 * cgraph.h (struct cgraph_node): Add order field.
20129 (struct cgraph_varpool_node): Add order field.
20130 (struct cgraph_asm_node): Define.
20131 (cgraph_asm_nodes, cgraph_order): Declare.
20132 (cgraph_add_asm_node): Declare.
20133 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20135 (cgraph_varpool_assemble_pending_decls): Call it.
20136 (cgraph_output_pending_asms): New static function.
20137 (cgraph_finalize_compilation_unit): Call it.
20138 (struct cgraph_order_sort): Define.
20139 (cgraph_output_in_order): New static function.
20140 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20141 !flag_toplevel_reorder case.
20142 * c-parser.c: Include "cgraph.h".
20143 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20145 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20146 than -fno-unit-at-a-time.
20147 * doc/invoke.texi (Option Summary): Mention
20148 -fno-toplevel-reorder.
20149 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20150 -funit-at-a-time documentation.
20152 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20153 Kazu Hirata <kazu@codesourcery.com>
20155 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20157 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20159 * Makefile.in (FUNCTION_H): New. Use it instead of
20160 function.h throughout the file.
20161 * function.h: Include tree.h.
20163 2006-01-17 Ben Elliston <bje@au.ibm.com>
20165 * recog.c: Separate some functions with whitespace.
20167 2006-01-16 Richard Henderson <rth@redhat.com>
20169 Merge from gomp branch:
20170 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20171 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20172 and rename from struct inline_data. Rename callee* to dst*;
20173 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20174 transform_new_cfg, transform_return_to_modify, and
20175 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20177 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20178 (copy_decl_for_dup): Remove.
20179 * tree-inline.c (struct inline_data): Move to header.
20180 (insert_decl_map): Export.
20181 (remap_decl): Update for member name changes. Use copy_decl hook.
20182 Allow for replacement to be a non-decl. Remove dead code.
20183 (remap_type_1): Check for existing mapping.
20184 (remap_type): Export.
20185 (remap_decls): Update for member name changes.
20186 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20187 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20188 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20189 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20190 (tree_function_versioning, build_duplicate_type): Likewise.
20191 (copy_body_r): Likewise. Export.
20192 (copy_decl_for_dup): Split into ...
20193 (copy_decl_for_dup_finish, copy_decl_to_var,
20194 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20195 (replace_ref_tree, inlining_p): Remove.
20197 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20199 * ifcvt.c (if_convert): Make it static.
20200 * rtl.h: Remove the prototype for if_convert.
20202 * local-alloc.c (local_alloc): Make it static.
20203 * rtl.h: Remove the prototype for local_alloc.
20205 * loop.c (loop_optimize): Make it static.
20206 * cfgloop.h: Remove the prototype for loop_optimize.
20209 2006-01-16 DJ Delorie <dj@redhat.com>
20211 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20214 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20216 * pa.md: Disparage copies between general and floating-point registers
20217 in 32-bit move patterns.
20219 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20222 * Makefile.in (check-%): Depend on site.exp instead of
20223 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20226 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20228 * global.c (global_alloc): Make it static.
20229 * rtl.h: Remove the prototype for global_alloc.
20231 2006-01-16 Richard Guenther <rguenther@suse.de>
20233 * tree-ssa-alias.c (struct used_part): Add write_only field.
20234 (get_or_create_used_part_for): Initialize it to true.
20235 (create_overlap_variables_for): Don't create structure variables
20236 for structures that only are written to.
20237 (find_used_portions): Handle MODIFY_EXPR to track whether a
20238 structure is only written to.
20240 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20242 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20244 * basic-block.h: Remove the prototype for
20245 partition_hot_cold_basic_blocks.
20247 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20249 * cppspec.c (lang_specific_spec_functions): Remove.
20250 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20251 * gcc.h (lang_specific_spec_functions): Remove.
20252 * gccspec.c (lang_specific_spec_functions): Remove.
20254 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20256 * combine.c (record_value_for_reg): Invalidate registers
20258 (record_dead_and_set_regs_1): Likewise, by passing them to
20259 record_value_for_reg.
20260 (record_dead_and_set_regs): Invalidate stores made by a
20261 call. We do not combine across a call, but we still
20262 relied on equivalences.
20264 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20266 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20267 vrp_int_const_binop returning non-constant nodes.
20269 2006-01-16 Paul Brook <paul@codesourcery.com>
20271 * config/m68k/m68k.c (output_move_const_into_data_reg):
20272 Output correct mnemonic for mvz and mvs.
20274 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20276 * rtl-factoring.c: Add sequence abstraction algorithm.
20277 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20278 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20280 (block_has_preserve_label): New function.
20281 * common.opt: Register new pass.
20282 * Makefile.in: Ditto.
20284 * timevar.def: Ditto.
20285 * tree-pass.h: Ditto.
20286 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20287 * rtl.h (make_jump_insn_raw): Add forward decl.
20288 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20290 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20291 Roger Sayle <roger@eyesopen.com>
20293 * fold-const.c (fold_minmax): New static function.
20294 (fold_binary) <MIN_EXPR>: Call it.
20295 <MAX_EXPR>: Likewise.
20296 * stor-layout.c (place_field): Use DECL_SIZE consistently
20297 in the computation of the new record size.
20299 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20301 * cse.c (cse_condition_code_reg): Make it static.
20302 * rtl.h: Remove the prototype for cse_condition_code_reg.
20304 * combine.c (combine_instructions): Make it static.
20305 * rtl.h: Remove the prototype for combine_instructions.
20307 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20310 * tree.c (get_file_function_name_long): Concatenate the first global
20311 object name with a string derived from the input filename of the object
20314 2006-01-16 Ben Elliston <bje@au.ibm.com>
20316 * config/i386/winnt-stubs.c: Update FSF address.
20317 * config/xtensa/ieee754-df.S: Ditto.
20318 * config/xtensa/ieee754-sf.S: Ditto.
20320 2006-01-14 Ian Lance Taylor <ian@airs.com>
20322 * ifcvt.c (noce_init_if_info): New static function, broken out of
20323 noce_process_if_block.
20324 (noce_process_if_block): Call noce_init_if_info.
20325 (check_cond_move_block): New static function.
20326 (cond_move_process_if_block): New static function.
20327 (process_if_block): Call cond_move_process_if_block.
20329 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20331 * cselib.c (hash_table): Rename to cselib_hash_table.
20332 (cselib_clear_table, discard_useless_values,
20333 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20334 cselib_init, cselib_finish): Adjust uses of hash_table.
20336 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20338 PR tree-optimization/25485
20339 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20340 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20341 is known to be false and true, respectively.
20343 2006-01-14 Richard Guenther <rguenther@suse.de>
20345 PR tree-optimization/22548
20346 PR tree-optimization/22555
20347 PR tree-optimization/22501
20348 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20349 * params.def (salias-max-array-elements): New parameter.
20350 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20351 * doc/invoke.texi (salias-max-array-elements): Document.
20352 * tree-flow-inline.h (var_can_have_subvars): We also handle
20354 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20356 * tree-ssa-structalias.c (params.h): Include.
20357 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20358 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20359 (get_constraint_for): For ADDR_EXPR operating on something
20360 containing an ARRAY_REF, add all subvars to the solution.
20361 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20362 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20363 for creating MUST_DEFs.
20364 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20366 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20368 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20370 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20371 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20372 number_of_iterations_le): New functions.
20373 (number_of_iterations_special): Removed.
20374 (number_of_iterations_exit): Do not use number_of_iterations_special.
20375 * tree.c (unsigned_type_for): Always return integer type.
20377 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20378 Richard Guenther <rguenther@suse.de>
20380 PR rtl-optimization/24257
20381 * gcse.c (find_moveable_store): Only consider a store movable
20382 when the SET_SRC of the insn can be assigned to a register.
20384 2006-01-14 Ian Lance Taylor <ian@airs.com>
20386 * tree.c (tree_not_class_check_failed): New function.
20387 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20388 (tree_not_class_check_failed): Declare.
20390 2006-01-13 Ian Lance Taylor <ian@airs.com>
20392 * reload1.c (do_output_reload): Add assertion rejecting a
20395 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20397 * combine.c (struct reg_stat): Add new fields truncation_label and
20399 (record_value_for_reg): Reset truncated_to_mode.
20400 (record_truncated_value): New function.
20401 (check_promoted_subreg): Call it. Rename to check_conversions.
20402 (combine_instructions): Rename check_promoted_subreg to
20404 (reg_truncated_to_mode): New function.
20405 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20406 (gen_lowpart_or_truncate): New function.
20407 (force_to_mode): Use it instead of gen_lowpart.
20409 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20411 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20412 VAR is a tag, not its type tag.
20414 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20416 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20417 alternatives to match style of other entries.
20418 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20420 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20422 PR tree-optimization/25771
20423 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20426 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20429 * tree-inline.c (declare_return_variable): If the return variable
20430 was marked as a non gimple complex, set the return slot variable
20431 to be a non gimple comple variable.
20433 2006-01-13 Richard Guenther <rguenther@suse.de>
20435 * builtins.c (expand_builtin_sincos): New function.
20436 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20438 (expand_builtin): Expand sincos using expand_builtin_sincos.
20440 2006-01-12 DJ Delorie <dj@redhat.com>
20442 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20443 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20444 so that constant shifts can be split.
20445 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20446 (m32c_valid_pointer_mode): Make static.
20447 (shift_gen_func_for): New.
20448 (m32c_prepare_shift): Use it. Split large const shifts into
20450 * config/m32c/predicates.md (shiftcount_operand): Allow more
20452 (longshiftcount_operand): New.
20453 * doc/md.texi (Machine Constraints): Document In6.
20455 2006-01-13 Ben Elliston <bje@au.ibm.com>
20457 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20458 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20461 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20463 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20464 to try to avoid clobbering pieces of structures when we know
20465 something about the whole structure.
20466 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20468 2006-01-13 Ben Elliston <bje@au.ibm.com>
20470 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20471 return in memory, as this is no limitation is no longer present.
20473 2006-01-12 DJ Delorie <dj@redhat.com>
20475 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20476 mova with fb, and for fb+0 -> An.
20478 * config/m32c/mov.md (peephole2): Fix enabling logic.
20480 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20481 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20482 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20483 FINI_ARRAY_SECTION_ASM_OP): Define.
20485 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20487 (m32c_legitimize_reload_address): New logic to reload FB to An.
20488 (m32c_output_reg_push): Add newline.
20489 (m32c_output_reg_pop): Likewise.
20491 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20493 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20495 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20497 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20499 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20501 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20504 2006-01-11 Ben Elliston <bje@au.ibm.com>
20506 * rtlanal.c (find_reg_note): Assert insn is not null.
20508 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20510 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20513 2006-01-11 Jeff Law <law@redhat.com>
20515 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20517 (mark_threaded_blocks, register_jump_thread): New functions.
20518 (thread_through_all_blocks): Remove unwanted argument. No
20519 longer rely on e->aux to communicate thread target info.
20520 Call mark_threaded_blocks. Release the threaded_blocks
20521 bitmap and threaded_edges vector when complete.
20522 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20523 (threaded_blocks): Remove.
20524 (tree_ssa_dominator_optimize): Remove initialization and
20525 finalization of threaded_blocks. Simplify call to
20526 thread_through_all_blocks.
20527 (thread_across_edge): Call register_jump_thread rather than
20528 storing thread information into e->aux.
20529 (free_all_edge_infos): Simplify now that e->aux is no longer
20530 used to communicate with thread_through_all_blocks.
20531 * tree-flow.h (thread_through_all_blocks): Update prototype.
20532 (register_jump_thread): Prototype.
20534 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20536 * df-core.c (df_compact_blocks, df_bb_replace): Use
20537 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20539 2006-01-11 Richard Guenther <rguenther@suse.de>
20541 PR tree-optimization/25734
20542 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20543 stop propagation after successful propagation to the LHS.
20545 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20547 * basic-block.h (control_flow_graph): Change the type of
20548 x_basic_block_info to VEC(basic_block,gc) *.
20549 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20551 (SET_BASIC_BLOCK): New.
20552 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20553 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20554 * cfgbuild.c (find_basic_blocks): Likewise.
20555 * cfglayout.c (fixup_reorder_chain): Likewise.
20556 * cfgrtl.c (create_basic_block_structure,
20557 rtl_create_basic_block): Likewise.
20558 * ifcvt.c (find_if_case_1): Likewise.
20559 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20562 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20564 * Makefile.in: Removed rotted odf.c entry.
20566 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20569 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20570 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20571 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20572 output pattern modifier, not %e.
20573 * config/cris/cris.c (cris_op_str): Update comment about pattern
20575 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20576 before falling through into...
20577 <case 'E'>: Redefined from old 'e' case.
20579 2006-01-11 Jan Hubicka <jh@suse.cz>
20582 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20584 2006-01-11 Jan Hubicka <jh@suse.cz>
20586 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20587 * i386.c (x86_decompose_lea): Kill.
20588 (ix86_rtx_costs): Kill.
20590 2006-01-11 Jan Hubicka <jh@suse.cz>
20592 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20593 * cgraph.h (cgraph_node): Add inline_decl.
20594 (cgraph_insert_node_to_hashtable): Declare.
20595 (save_inline_function_body): Declare.
20596 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20598 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20599 (cgraph_function_versioning): Update call of tree_function_versioning.
20600 (save_inline_function_body): New function.
20601 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20602 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20603 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20604 (cgraph_default_inline_p): Likewise.
20605 (cgraph_decide_inlining_incrementally): Likewise.
20606 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20607 (copy_bb): Kill saving; do updating of clones.
20608 (copy_cfg_body): Kill saving.
20609 (initialize_inlined-parameters): Likewise.
20610 (expand_call_inline): Likewise.
20612 (tree_function_versioning): New parameter "update_clones".
20613 (inlining_p): Kill saving.
20614 * tree-inline.h (tree_function_versioning): Update prototype.
20615 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20618 2006-01-11 Ian Lance Taylor <ian@airs.com>
20620 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20621 Allow undoing set of machine mode.
20622 (do_SUBST): Use enums instead of is_int.
20623 (do_SUBST_MODE): New function.
20624 (SUBST_MODE): New macro.
20625 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20626 reg and trying to replace reg_regno_rtx with a new register.
20627 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20628 (simplify_set): Use SUBST_MODE.
20629 (distribute_notes): Remove code that tried to update reg notes
20630 for regno_reg_rtx changes.
20632 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20634 PR tree-optimization/23109
20635 PR tree-optimization/23948
20636 PR tree-optimization/24123
20638 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20639 * tree-cfg.c (single_noncomplex_succ): New.
20640 * tree-flow.h (single_noncomplex_succ): Declare it.
20641 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20642 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20643 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20644 insert_bb, register_division_in, insert_reciprocals,
20645 replace_reciprocal, free_bb): New.
20646 (execute_cse_reciprocals_1): Rewritten.
20647 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20648 Do not commit any edge insertion. Always compute dominators and
20649 create the allocation pool.
20650 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20651 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20652 * targhooks.c (default_min_divistions_for_recip_mul): New.
20653 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20654 * passes.c (init_optimization_passes): Run recip after tree loop
20656 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20658 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20659 Kenneth Zadeck <zadeck@naturalbridge.com>
20661 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20662 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20663 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20664 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20665 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20666 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20667 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20668 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20669 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20670 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20671 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20672 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20673 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20674 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20675 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20676 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20677 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20678 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20679 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20680 DF_SCAN_POST_ALLOC): New macros.
20681 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20682 df_free_bb_function, df_local_compute_function, df_init_function,
20683 df_dataflow_function, df_confluence_function_0,
20684 df_confluence_function_n, df_transfer_function,
20685 df_finalizer_function, df_free_function, df_dump_problem_function,
20686 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20687 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20688 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20689 df_urec_bb_info, ) New types.
20690 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20692 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20693 df_analyze_simple_change_some_blocks,
20694 df_analyze_simple_change_one_block, df_compact_blocks,
20695 df_bb_replace, df_bb_regno_last_use_find,
20696 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20697 df_insn_regno_def_p, df_find_def, df_find_use,
20698 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20699 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20700 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20701 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20702 debug_df_chain, df_get_dependent_problem, df_chain_create,
20703 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20704 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20705 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20706 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20707 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20708 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20709 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20710 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20711 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20712 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20713 df_reorganize_refs, df_set_state, df_hard_reg_init,
20714 df_read_modify_subreg_p) New public functions.
20715 * df-core.c: The core dataflow solver and glue routines for rtl
20717 (df_init, df_add_problem, df_set_blocks, df_finish,
20718 df_hybrid_search_forward, df_hybrid_search_backward,
20719 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20720 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20721 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20722 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20723 df_reg_defined, df_find_use, df_reg_used, df_dump,
20724 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20725 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20726 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20727 debug_df_useno, reset_df_after_reload): New functions.
20728 * df-scan.c: The scanning fuctions, once in df.c, completely
20729 rewritten so that they now fully model the functionality of
20730 register usage at the backend.
20731 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20732 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20733 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20734 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20735 df_get_artificial_defs, df_get_artificial_uses,
20736 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20737 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20738 df_refs_delete, df_reorganize_refs, df_set_state,
20739 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20740 df_def_record_1, df_defs_record, df_uses_record,
20741 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20742 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20743 df_record_exit_block_uses, df_hard_reg_init): New functions.
20745 * df-problems.c: Seven concrete dataflow problems that use the
20746 scanning in df-scan.c and are solved by the engine in df-core.c.
20747 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20748 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20749 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20750 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20751 df_ru_free_bb_info, df_ru_alloc,
20752 df_ru_bb_local_compute_process_def,
20753 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20754 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20755 df_ru_transfer_function, df_ru_free, df_ru_dump,
20756 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20757 df_rd_free_bb_info, df_rd_alloc,
20758 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20759 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20760 df_rd_transfer_function, df_rd_free, df_rd_dump,
20761 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20762 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20763 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20764 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20765 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20766 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20767 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20768 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20769 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20770 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20771 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20772 df_urec_mark_reg_use_for_earlyclobber,
20773 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20774 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20775 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20776 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20777 df_chain_create_bb_process_use, df_chain_create_bb,
20778 df_chain_finalize, df_chain_free, df_chains_dump,
20779 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20780 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20781 df_reg_lifetime): New functions.
20782 * df.c: Deleted file.
20783 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20784 consistent with new df api.
20785 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20786 rest_of_handle_sms): Ditto.
20787 * web.c (unionfind_union, union_defs, entry_register, web_main):
20789 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20790 invariant_expr_equal_p, find_defs, check_dependencies,
20791 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20792 free_inv_motion_data, move_loop_invariants): Ditto.
20793 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20794 Update dependencies.
20795 (odf.c): Added defective entry that was deleted later in day.
20796 * sched-deps.c (sched_analyze_1): Ditto.
20798 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20800 * tree-ssa-operands.c (get_expr_operands): Record addressable
20801 variables directly. Do not call add_stmt_operands for CONST_DECLs
20803 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20804 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20806 2006-01-11 Ben Elliston <bje@au.ibm.com>
20808 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20809 function returns true in the positive case.
20811 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20814 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20815 for SI, DI, SF and DF modes. Add alternatives to copy between
20816 general and floating point registers to the 32-bit patterns.
20817 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20818 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20819 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20820 generating 64-bit code.
20821 * config/pa/pa.c (output_move_double): Handle copies between general
20822 and floating registers.
20824 2006-01-10 Stuart Hastings <stuart@apple.com>
20826 * config/i386/i386.md (set_got): Update.
20827 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20828 (builtin_setjmp_receiver): Mach-O support.
20829 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20830 (GOT_SYMBOL_NAME): Define.
20831 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20832 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20833 * config/i386/i386.c (override_options): Revise for Darwin.
20834 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20835 support. (darwin_x86_file_end): New. (output_set_got): Add label
20836 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20837 * config/i386/i386-protos.h (output_set_got): Likewise.
20838 * config/darwin.c (machopic_legitimize_pic_address): Update
20841 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20843 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20844 when MODE isn't BLKmode.
20846 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20848 PR rtl-optimization/25367
20849 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20851 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20854 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20855 for a negative bound.
20857 2006-01-10 Richard Guenther <rguenther@suse.de>
20859 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20860 Never override with anything constraint.
20862 2006-01-10 Jan Beulich <jbeulich@novell.com>
20864 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20865 256 bits when optimize_size.
20867 2006-01-10 Jan Beulich <jbeulich@novell.com>
20869 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20871 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20872 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20875 2006-01-10 Ben Elliston <bje@au.ibm.com>
20877 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20879 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20880 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20881 (USE_FP_FOR_ARG): Reject decimal float modes.
20882 (function_arg_advance): Likewise.
20883 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20884 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20885 point types in AltiVec vectors.
20886 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20887 (rs6000_libcall_value): Likewise.
20889 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20891 * config/xtensa/ieee754-df.S: New file.
20892 * config/xtensa/ieee754-sf.S: New file.
20893 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20894 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20895 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20897 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20899 * config/sh/predicates.md (binary_float_operator,
20900 binary_logical_operator, commutative_float_operator,
20901 equality_comparison_operator, greater_comparison_operator,
20902 less_comparison_operator, logical_operator,
20903 noncommutative_float_operator, shift_operator,
20904 symbol_ref_operand, unary_float_operator): Remove redundant
20907 2006-01-09 Jeff Law <law@redhat.com>
20909 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20910 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20911 now unused arguments. Callers updated.
20912 (eliminate_redundant_computations): Remove now unused arguments,
20914 (local_fold): Remove, no longer used.
20915 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20917 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20918 (simplify_cond): New function.
20919 (forward_propagate_into_cond): Call simplify_cond.
20921 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20923 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20924 (*vec_extractv2di_1_sse): New.
20926 2006-01-09 Ben Elliston <bje@au.ibm.com>
20928 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20930 2006-01-08 Richard Guenther <rguenther@suse.de>
20932 * tree-ssa-structalias.c (get_constraint_for): Remove
20933 anyoffset argument.
20934 (get_constraint_for_component_ref): Likewise.
20935 (do_deref): Likewise.
20936 (get_constraint_for): Likewise.
20937 (do_structure_copy): Likewise.
20938 (handle_ptr_arith): Likewise.
20939 (find_func_aliases): Likewise. Remove unused need_anyoffset
20942 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20943 Kaz Kojima <kkojima@gcc.gnu.org>
20945 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20946 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20947 (EXTRA_CONSTRAINT_C16): Remove.
20948 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20949 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20950 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20951 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20952 constants of SHmedia. Handle nested constant expressions of
20954 (andcosts): Fix the costs for SHmedia constants.
20955 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20956 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20957 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20958 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20959 (movv4hi_i, movv2si_i): Likewise.
20960 (movsi_const): Adjust the second operand of ior so to match with
20961 the Csu constraint.
20962 (movdi_const, movdi_const_32bit): Likewise.
20963 (movdi_const_16bit+1): Don't sign-extend LOW.
20964 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20966 (*double_shori): Fix the split condition. Use GEN_INT instead
20967 of get_int_mode calls. Mask lower 16-bit of the argument of
20969 (sym2GOTPLT): Remove.
20970 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20972 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20973 instead of EXTRA_CONSTRAINT_C16.
20975 2006-01-07 Ian Lance Taylor <ian@airs.com>
20976 David Edelsohn <edelsohn@gnu.org>
20978 PR rtl-optimization/25662
20979 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20980 for constant operands instead of simplify_gen_binary.
20981 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20982 after trying simplify_binary_operation
20984 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20986 * tree.c (iterative_hash_expr): Hash decls based on UID.
20988 2006-01-06 Eric Christopher <echristo@apple.com>
20990 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20991 (TARGET_UNWIND_EMIT): Fix spelling.
20992 * target.h (gcc_target): Add except_table_label.
20993 * except.c (output_function_exception_table): Use.
20994 * varasm.c (default_emit_except_table_label): New.
20995 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20997 (asm_out): Add here.
20998 * output.h (default_emit_except_table_label): Prototype.
20999 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21000 * config/darwin.c (darwin_emit_except_table_label): Define.
21001 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21003 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21005 PR tree-optimization/18527
21006 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21007 number_of_iterations_special, number_of_iterations_exit):
21008 Move base and step of an iv to a single structure. Add
21009 no_overflow flag, and use it in # of iterations analysis.
21010 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21011 folded_casts argument.
21012 (simple_iv): Pass base and step in a structure. Set no_overflow
21014 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21015 Evaluate expensiveness of computing # of iterations instead of
21016 the final expression.
21017 * tree-scalar-evolution.h (affine_iv): New structure.
21018 (simple_iv): Declaration changed.
21019 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21020 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21021 find_givs_in_stmt): Changed due to simple_iv change.
21023 2006-01-06 Jeff Law <law@redhat.com>
21026 * tree-cfg.c (bsi_replace): Rename final argument from
21027 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21028 change (stmt -> orig_stmt).
21029 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21030 (bsi_remove): Add new argument. Remove EH information
21032 (verify_eh_throw_table_statements): New function.
21033 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21035 * tree-optimize.c (execute_free_cfg_annotations): Verify
21036 the EH throw statement table after removing annotations.
21037 * except.h (verify_eh_throw_table_statements): Prototype.
21038 * tree-flow.h (bsi_remove): Update prototype.
21039 * tree-vrp.c (remove_range_assertions): Add new argument to
21041 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21042 * tree-complex.c (expand_complex_div_wide): Likewise.
21043 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21044 * tree-tailcall.c (eliminate_tailcall): Likewise.
21045 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21046 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21047 * tree-nrv.c (tree_nrv): Likewise.
21048 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21049 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21050 (combine_blocks): Likewise.
21051 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21052 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21053 (cleanup_control_flow): Likewise.
21054 (remove_forwarder_block): Likewise.
21055 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21056 * tree-sra.c (sra_replace): Likewise.
21057 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21058 (forward_propagate_single_use_vars): Likewise.
21059 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21060 * tree-inline.c (expand_call_inline): Likewise.
21061 * tree-vect-transform.c (vect_transform_loop): Likewise.
21062 * tree-outof-ssa.c (rewrite_trees): Likewise.
21063 * tree-cfg.c (make_goto_expr_edges): Likewise.
21064 (cleanup_dead_labels): Likewise.
21065 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21066 (bsi_move_before, bsi_move_after): Likewise.
21067 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21068 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21070 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21073 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21075 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21076 on non gimple variables. Also add checks at the top for decls and
21078 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21080 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21081 and IMAGPART_EXPR for creating MUST_DEFs.
21082 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21083 and NAME_MEMORY_TAG separately from the DECLs.
21085 2006-01-06 Richard Guenther <rguenther@suse.de>
21087 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21088 annotation, if necessary.
21089 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21090 redundant calls to update_stmt.
21091 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21094 2006-01-05 Richard Henderson <rth@redhat.com>
21096 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21098 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21100 * c-typeck.c: Update copyright date.
21102 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21104 * c-typeck.c (build_c_cast): Always warn when casting
21105 from a pointer to an integer of different size, even if
21106 the node was constant.
21108 2006-01-05 Richard Guenther <rguenther@suse.de>
21110 PR tree-optimization/22555
21111 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21112 if one structure field is an array.
21113 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21114 operands even if we found a subvar, but ignore VOPs in this
21116 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21118 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21120 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21122 PR middle-end/24998
21123 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21125 2006-01-05 Richard Guenther <rguenther@suse.de>
21126 Diego Novillo <dnovillo@redhat.com>
21128 * tree-pass.h (TODO_remove_unused_locals): Define.
21129 * gimple-low.c (expand_var_p, remove_useless_vars,
21130 pass_remove_useless_vars): Remove. Update all users.
21131 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21132 (remove_unused_locals): New function.
21133 * tree-flow.h (remove_unused_locals): Declare.
21134 * passes.c (execute_todo): Call remove_unused_locals if
21135 TODO_remove_unused_locals is set.
21136 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21137 * tree-ssa-dce.c (pass_dce): Likewise.
21138 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21140 2006-01-05 Richard Guenther <rguenther@suse.de>
21142 * tree-flow.h (struct fieldoff): Decompose field to
21143 type, size and decl.
21144 * tree-ssa-alias.c (create_sft): Take type as parameter.
21145 (create_overlap_variables_for): Store type, size and decl
21146 in the fieldoff structure.
21147 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21148 of struct fieldoff.
21149 (push_fields_onto_fieldstack): Likewise.
21150 (create_variable_info_for): Likewise. Use offset for the
21151 SFT name if the decl is not available.
21153 2006-01-04 Paul Brook <paul@codesourcery.com>
21155 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21157 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21159 * lambda-code.c (can_put_in_inner_loop): Relax
21161 (can_put_after_inner_loop): New function.
21162 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21163 (perfect_nestify): Change to make copies and modify uses.
21165 2006-01-04 Richard Henderson <rth@redhat.com>
21167 Merge from gomp branch:
21168 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21169 via integer constant.
21170 (pragma_lex): Remove.
21171 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21172 rather than parsing it.
21173 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21174 handle_pragma_extern_prefix): Add %< %> quotes.
21175 (registered_pragmas): New.
21176 (c_register_pragma_1): New.
21177 (c_register_pragma): Use it.
21178 (c_register_pragma_with_expansion): Likewise.
21179 (c_invoke_pragma_handler): New.
21180 (init_pragma): Use cpp_register_deferred_pragma directly for
21182 * c-pragma.h (enum pragma_kind): New.
21183 (pragma_handler): New.
21184 (c_invoke_pragma_handler): Declare.
21185 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21187 * c-common.h (c_common_pch_pragma): Update decl.
21188 * Makefile.in (c-parser.o): Update dependencies.
21189 (GTFILES): Add c-pragma.h.
21190 * c-parser.c (struct c_token): Add pragma_kind.
21191 (struct c_parser): Add in_pragma.
21192 (c_lex_one_token): Always initialize keyword and pragma_kind.
21193 Extract data for CPP_PRAGMA.
21194 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21195 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21196 Don't allow CPP_PRAGMA_EOL if in_pragma.
21197 (c_parser_consume_pragma): New.
21198 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21199 (c_parser_skip_to_end_of_parameter): Likewise.
21200 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21201 (c_parser_skip_to_pragma_eol): New.
21202 (c_parser_external_declaration): Handle CPP_PRAGMA.
21203 (c_parser_compound_statement_nostart): Likewise.
21204 (c_parser_statement_after_labels): Likewise.
21205 (c_parser_pragma): New.
21206 (pragma_lex): Likewise.
21207 (c_parser_pragma_pch_preprocess): New.
21208 (c_parser_new): Merge into ...
21209 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21211 2006-01-04 Jeff Law <law@redhat.com>
21214 * tree-cfg.c (bsi_replace): Remove the original statement
21215 from the EH throw statement table.
21217 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21219 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21220 make the prototype extern "C" and add throw ().
21223 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21224 and pos non-negative and pos + len <= 32.
21225 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21226 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21227 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21230 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21231 as well as sizes not multiple of component size.
21234 * function.c (instantiate_expr): New function.
21235 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21236 walk its DECL_VALUE_EXPR with instantiate_expr.
21238 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21239 DW_OP_deref{,_size} if address isn't going to be added.
21241 2006-01-04 Ben Elliston <bje@au.ibm.com>
21243 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21244 * config/fp-bit.c: Likewise.
21246 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21248 * dominance.c: Add comment about why we use DFS numbering
21251 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21252 Richard Henderson <rth@redhat.com>
21254 Merge from gomp-branch:
21255 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21256 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21258 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21260 PR rtl-optimization/25578
21261 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21262 pass a parameter to simplify_shift_const if changing ASHIFTRT
21265 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21267 * builtins.c (get_builtin_sync_mem): New function.
21268 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21269 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21270 Call get_builtin_sync_mem to generate mem rtx.
21272 2006-01-03 Richard Guenther <rguenther@suse.de>
21275 * stmt.c (add_case_node): Make sure to clear overflow flags
21278 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21280 Merge from gomp-branch.
21281 * config/sparc/sync.md: New file.
21282 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21283 UNSPECV_LDSTUB): New constants.
21284 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21285 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21286 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21289 2006-01-03 Roger Sayle <roger@eyesopen.com>
21291 * combine.c (reg_subword_p): New predicate to test whether the
21292 destination of a set refers to a subword/piece of a register.
21293 (try_combine): Generalize the code to merge the setting of a
21294 pseudo to a constant followed by a set of a subword of that
21295 register to a constant.
21297 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21299 * basic-block.h (control_flow_graph): Change the type of
21300 x_label_to_block_map to VEC(basic_block,gc) *.
21301 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21302 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21304 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21305 VEC(basic_block,heap) *.
21306 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21307 ssa_prop_fini): Adjust the uses of cfg_blocks.
21309 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21311 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21313 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21314 hashing trees instead of a pointer hash.
21315 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21316 compare for MEM_EXPR.
21318 PR rtl-optimization/25130
21319 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21320 when comparing MEMs for GCSE
21322 2006-01-03 Ben Elliston <bje@au.ibm.com>
21324 * targhooks.h (default_decimal_float_supported_p): Declare.
21325 * targhooks.c (default_decimal_float_supported_p): Define.
21326 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21327 `default_decimal_float_supported_p'.
21328 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21330 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21332 * combine.c (apply_distributive_law <SUBREG>): Check
21333 TRULY_NOOP_TRUNCATION.
21335 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21337 * dwarf2out.c (have_switched_text_section): Delete.
21338 (have_multiple_function_sections): New.
21339 (have_location_lists): Make 'bool'.
21340 (add_AT_loc_list): Use 'true' not '1'.
21341 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21342 (output_loc_list): Use have_multiple_function_sections.
21343 (output_ranges): Likewise.
21344 (dwarf2out_begin_function): Set have_multiple_function_sections if
21346 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21347 Check function_section rather than DECL_SECTION_NAME.
21348 (dwarf2out_finish): Use have_multiple_function_sections.
21349 Don't clear have_location_lists.
21351 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21352 Jan Hubicka <jh@suse.cz>
21354 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21355 case of conditional jump jumping to the next instruction.
21356 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21357 cases of conditional jump jumping to the next instruction.
21359 2006-01-02 Jan Hubicka <jh@suse.cz>
21361 * i386.c (*_cost): Add COSTS_N_INSNS.
21362 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21364 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21367 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21369 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21371 * config/arm/arm.c (all_fpus): Fix comment typo.
21372 * config/darwin.c: Likewise.
21373 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21374 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21375 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21377 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21379 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21380 (rs6000_split_compare_and_swapqhi): New.
21381 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21382 (sync_compare_and_swapqhi_internal): New.
21383 * config/rs6000/rs6000-protos.h: Declare.