1 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
3 Merge from gimple-tuples-branch.
5 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
7 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
9 (s390_gimplify_va_arg): Same.
10 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
11 * config/sh/sh.c (sh_va_start): Same.
12 (sh_gimplify_va_arg_expr): Same.
13 * config/xtensa/xtensa.c (xtensa_va_start): Same.
14 (xtensa_gimplify_va_arg_expr): Same.
15 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
16 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
17 * config/mips/mips.c (mips_va_start): Same.
18 (mips_gimplify_va_arg_expr): Same.
20 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
22 * Merge from mainline at revision 119445.
24 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
26 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
28 (spu_gimplify_va_arg_expr): Same.
30 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
32 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
33 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
34 (xstormy16_expand_builtin_va_arg): Same.
36 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
38 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
39 to GIMPLE_MODIFY_STMT.
41 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
43 * config/alpha/alpha.c (va_list_skip_additions): Change all
44 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
45 (alpha_va_start): Same.
46 (alpha_gimplify_va_arg_1): Same.
47 (alpha_gimplify_va_arg): Same.
49 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
51 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
53 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
55 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
56 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
58 * tree-complex.c: Same.
59 * tree-pretty-print.c: Same.
64 * tree-ssa-dom.c: Same.
65 * tree-ssa-propagate.c: Same.
66 * tree-ssa-alias.c: Same.
69 * c-pretty-print.c: Same.
71 * tree-inline.c: Same.
72 * tree-outof-ssa.c: Same.
73 * tree-ssa-structalias.c: Same.
74 * tree-ssa-reassoc.c: Same.
77 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
79 * tree.c (build2_stat): Fix comment.
81 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
83 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
84 TREE_OPERAND when appropriate.
86 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
88 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
89 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
90 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
91 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
92 not handle GIMPLE_MODIFY_STMT in the switch statement.
93 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
94 (java_gimplify_new_array_init): Same.
96 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
98 * gimplify.c (gimplify_omp_for): Allow gimple statements.
99 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
100 * fold-const.c (fold_binary): Allow gimple statements.
102 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
103 Rename from gfc_conv_descriptor_data_set.
104 Call gfc_add_modify instead of gfc_add_modify_expr.
105 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
106 Rename from gfc_conv_descriptor_data_set.
107 (gfc_conv_descriptor_data_set): New macro.
108 (gfc_conv_descriptor_data_set_tuples): New macros.
109 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
110 gfc_conv_descriptor_data_set_tuples.
111 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
112 Generate GIMPLE_MODIFY_STMT when appropriate.
113 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
114 (gfc_add_modify_expr): New macro.
115 (gfc_add_modify_stmt): New macro.
116 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
118 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
120 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
121 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
124 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
126 * Merge from mainline at revision 118200.
128 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
130 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
133 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
135 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
137 Also, add __extension__ to GCC versions.
138 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
139 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
142 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
144 * tree-complex.c (expand_complex_libcall): Adjust for
146 (expand_complex_comparison): Same.
147 * tree-pretty-print.c (dump_generic_node): Is_expr should include
148 GIMPLE_STMT_P statements.
149 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
151 (tree_mod_pow2_value_transform): Same.
152 (tree_mod_subtract_transform): Same.
153 * tree.c (build2_stat): Check for gimplified function in cfun.
154 * tree.h (DECL_GIMPLIFIED): Delete.
155 (struct tree_function_decl): Remove gimplified_flag.
156 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
157 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
158 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
159 (cxx_omp_clause_copy_ctor): Same.
160 (cxx_omp_clause_assign_op): Same.
161 * c-pretty-print.c (pp_c_conditional_expression): Same.
162 (pp_c_expression): Same.
163 * langhooks.c (lhd_omp_predetermined_sharing): Same.
164 * function.h (struct function): Add gimplified field.
165 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
167 (find_phi_replacement_condition): Same.
168 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
169 (gimplify_modify_expr_to_memset): Same.
170 (gimplify_init_ctor_eval_range): Same.
171 (gimplify_modify_expr_complex_part): Same.
172 (tree_to_gimple_tuple): Same.
173 (gimplify_modify_expr): Same.
174 (gimple_push_cleanup): Same.
175 (gimplify_omp_for): Same.
176 (gimplify_omp_atomic_pipeline): Same.
177 (gimplify_omp_atomic_mutex): Same.
178 (gimplify_expr): Same.
179 (gimplify_one_sizepos): Same.
180 (gimplify_function_tree): Same.
181 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
182 (vect_recog_widen_sum_pattern): Same.
183 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
184 (vect_create_epilog_for_reduction): Same.
185 (vectorizable_reduction): Same.
187 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
189 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
190 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
191 (ifc_temp_var): Same.
192 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
193 for gimple statements.
194 (vect_analyze_operations): Same.
195 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
196 * gimplify.c (gimplify_return_expr): Handle gimple statements.
197 * lambda-code.c (can_put_in_inner_loop): Same.
198 (can_put_after_inner_loop): Same.
199 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
200 (vect_create_data_ref_ptr): Same.
201 (vect_init_vector): Same.
202 (vect_get_vec_def_for_operand): Same.
203 (vect_create_epilog_for_reduction): Same.
204 (vectorizable_reduction): Same.
205 (vectorizable_assignment): Same.
206 (vectorizable_operation): Same.
207 (vectorizable_load): Same.
208 (vectorizable_condition): Same.
209 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
210 (rs6000_gimplify_va_arg): Same.
212 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
214 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
216 (simplify_abs_using_ranges): Same.
217 * tree-complex.c (expand_complex_operations_1): Use
218 PROTECTED_TREE_OPERAND.
219 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
221 (get_val_for): Use GIMPLE_STMT_OPERAND.
222 * tree-tailcall.c (adjust_accumulator_values): Same.
223 (adjust_return_value): Same.
224 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
225 case. Remove special case for tcc_gimple_stmt.
226 * tree.h (CAN_HAVE_LOCATION_P): New.
227 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
229 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
231 * tree-nrv.c (execute_return_slot_opt): Same.
232 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
233 * tree-vn.c (set_value_handle): Same.
234 (get_value_handle): Same.
235 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
236 * tree-vectorizer.c (find_loop_location): Same.
237 * c-typeck.c (c_process_expr_stmt): Same.
238 (c_finish_stmt_expr): Same.
239 * gimplify.c (should_carry_locus_p): Same.
240 (tree_to_gimple_tuple): Delete definition and use of unecessary
241 variable save_tree_block.
242 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
243 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
244 (realify_fake_stores): Same.
245 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
247 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
248 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
249 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
250 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
251 (c_parser_statement_after_labels): Same.
252 (c_parser_paren_condition): Same.
253 (c_parser_for_statement): Same.
254 (c_parser_omp_for_loop): Same.
255 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
256 (linearize_expr_tree): Same.
257 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
258 * function.c (instantiate_expr): Same.
260 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
262 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
263 (set_expr_location): Same.
265 (set_expr_locus): Same.
266 (expr_filename): Same.
268 (tree_block): Use GIMPLE_STMT_BLOCK.
269 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
270 * tree.h (struct gimple_stmt): Remove prev and next.
271 (GIMPLE_STMT_OPERAND_CHECK): New.
272 (TREE_TO_GIMPLE_STMT): Delete.
273 (GIMPLE_STMT_TO_TREE): Delete.
274 (GIMPLE_STMT_OPERAND): Use union, not cast.
275 (GIMPLE_STMT_LOCUS): New.
276 (GIMPLE_STMT_BLOCK): New.
277 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
279 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
281 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
283 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
285 * tree-tailcall.c (adjust_return_value): Same.
286 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
287 (copy_node_stat): Change common.base to base.
288 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
289 Remove GIMPLE_STATEMENT_LIST case.
290 * tree.h (struct gimple_stmt): Make operands of type tree.
291 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
292 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
293 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
294 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
295 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
296 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
297 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
298 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
299 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
300 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
301 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
302 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
303 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
304 Change common.base to base.
305 (GIMPLE_STATEMENT_LIST*): Remove.
306 (union tree_node): Add base. Remove gimple_statement_list.
307 Remove pointer from gstmt.
308 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
309 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
310 * tree-vn.c (vn_compute): Change common.base to base.
311 * tree-eh.c (verify_eh_throw_stmt_node): Same.
312 * tree-flow-inline.h (var_ann): Same.
313 (function_ann): Same.
315 (mark_non_addressable): Same.
316 * gimplify.c (tree_to_gimple_tuple): Same.
317 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
318 * tree-dfa.c (create_var_ann): Change common.base to base.
319 (create_function_ann): Same.
320 (create_stmt_ann): Same.
321 (create_tree_ann): Same.
322 (collect_dfa_stats_r): Same.
323 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
324 * tree-ssa-dce.c (NECESSARY): Same.
325 * tree-ssa.c (delete_tree_ssa): Same.
326 * tree-optimize.c (execute_free_cfg_annotations): Same.
329 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
331 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
332 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
334 * tree.h (struct gimple_stmt): Add prev and next fields.
335 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
336 (GIMPLE_STATEMENT_LIST_HEAD): New.
337 (GIMPLE_STATEMENT_LIST_TAIL): New.
338 (struct gimple_statement_list): New.
339 (union tree_node): Add gimple_stmt_list and gstmt.
340 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
341 * tree.def: Add GIMPLE_STATEMENT_LIST.
343 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
345 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
346 * tree-vrp.c (build_assert_expr_for): Change uses of
347 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
348 (find_assert_locations): Same.
349 (remove_range_assertions): Same.
350 (stmt_interesting_for_vrp): Same.
351 (vrp_visit_assignment): Same.
352 (vrp_visit_stmt): Same.
353 (simplify_cond_using_ranges): Same.
354 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
356 * tree-ssa-loop-im.c (movement_possibility): Change uses of
357 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
359 (determine_invariantness_stmt): Same.
361 (gather_mem_refs_stmt): Same.
362 * tree-complex.c (init_dont_simulate_again): Same.
363 (complex_visit_stmt): Same.
364 (set_component_ssa_name): Same.
365 (expand_complex_move): Same.
366 (expand_complex_div_wide): Same.
367 (expand_complex_comparison): Same.
368 (expand_complex_operations_1): Same.
369 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
370 (chain_of_csts_start): Same.
371 (infer_loop_bounds_from_undefined): Same.
372 * tree-pretty-print.c (dump_generic_node): Same.
375 * tree-ssa-loop-manip.c (create_iv): Same.
376 * value-prof.c (tree_divmod_fixed_value): Same.
377 (tree_divmod_fixed_value_transform): Same.
378 (tree_mod_pow2): Same.
379 (tree_mod_pow2_value_transform): Same.
380 (tree_mod_subtract): Same.
381 (tree_mod_subtract_transform): Same.
382 (tree_divmod_values_to_profile): Same.
383 * tree-tailcall.c (process_assignment): Same.
384 (find_tail_calls): Same.
385 (adjust_accumulator_values): Same.
386 (adjust_return_value): Same.
387 (eliminate_tail_call): Same.
388 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
389 (make_node_stat): Same.
390 (copy_node_stat): Handle gimple tuples.
391 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
392 (tree_node_structure): Handle tcc_gimple_stmt.
393 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
395 (build2_gimple_stat): New.
396 (expr_location): New.
397 (set_expr_location): New.
398 (expr_has_location): New.
400 (set_expr_locus): New.
401 (expr_filename): New.
403 (walk_tree): Handle tcc_gimple_stmt.
405 (protected_tree_operand): New.
406 (protected_tree_type): New.
407 (tree_code_kind): Add gimple statements.
408 * tree.h (tree_code_class): Add tcc_gimple_stmt.
409 (IS_GIMPLE_STMT_CODE_CLASS): New.
410 (struct tree_base): New.
411 (struct tree_common): Shrink.
412 (struct gimple_stmt): New.
413 (struct gimple_expr): New.
414 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
415 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
416 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
417 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
418 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
419 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
420 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
421 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
422 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
423 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
424 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
425 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
426 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
427 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
428 Adjust for new `common' layout.
429 (struct tree_function_decl): Add gimplified_flag.
430 (DECL_GIMPLIFIED): NEW.
431 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
432 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
433 EXPR_HAS_LOCATION): Call corresponding function.
434 (GIMPLE_STMT_CHECK): New.
435 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
436 (TREE_BLOCK): Call tree_block.
437 (GIMPLE_STMT_P): New.
438 (GIMPLE_TUPLE_P): New.
439 (TREE_TO_GIMPLE_STMT): New.
440 (GIMPLE_STMT_TO_TREE): New.
441 (GIMPLE_STMT_OPERAND): New.
442 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
443 (PROTECTED_TREE_OPERAND): New.
444 (PROTECTED_TREE_TYPE): New.
445 (build2_gimple_stat): Protoize.
446 (build2_gimple): New.
447 (expr_location): Protoize.
448 (set_expr_location): Protoize.
449 (expr_has_location): Protoize.
450 (expr_locus): Protoize.
451 (set_expr_locus): Protoize.
452 (expr_filename): Protoize.
453 (expr_lineno): Protoize.
454 (tree_block): Protoize.
455 (protected_tree_operand): Protoize.
456 (protected_tree_type): Protoize.
457 (enum tree_node_kind): Add gimple_stmt_kind.
458 * c-decl.c (union lang_tree_node): Tuples do not have a
460 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
461 GIMPLE_MODIFY_STMT and adjust accordingly.
462 * tree-scalar-evolution.c (follow_ssa_edge): Same.
463 (interpret_condition_phi): Same.
464 (pointer_used_p): Same.
465 (analyze_scalar_evolution_1): Same.
466 (scev_const_prop): Same.
467 (interpret_rhs_modify_stmt): Rename from
468 interpret_rhs_modify_expr.
469 * builtins.c (std_expand_builtin_va_start): Change uses of
470 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
471 (std_gimplify_va_arg_expr): Same.
472 (expand_builtin_va_copy): Same.
473 (integer_valued_real_p): Same.
474 * fold-const.c (maybe_lvalue_p): Same.
476 (tree_expr_nonnegative_p): Same.
477 (tree_expr_nonzero_p): Same.
478 * omp-low.c (extract_omp_for_data): Same.
479 (lower_rec_input_clauses): Same.
480 (lower_reduction_clauses): Same.
481 (lower_copyprivate_clauses): Same.
482 (lower_send_clauses): Same.
483 (lower_send_shared_vars): Same.
484 (expand_parallel_call): Same.
485 (expand_omp_parallel): Same.
486 (expand_omp_for_generic): Same.
487 (expand_omp_for_static_nochunk): Same.
488 (expand_omp_for_static_chunk): Same.
489 (expand_omp_sections): Same.
490 (lower_omp_single_copy): Same.
491 (lower_omp_parallel): Same.
492 * tree-ssa-dse.c (memory_address_same): Same.
493 (dse_optimize_stmt): Same.
494 * ipa-reference.c (scan_for_static_refs): Same.
495 * tree-gimple.c (is_gimple_reg_rhs): Same.
496 (get_call_expr_in): Same.
497 (recalculate_side_effects): Same.
498 * cgraphunit.c (cgraph_create_edges): Same.
499 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
500 * tree-ssa-ccp.c (get_default_value): Same.
501 (likely_value): Same.
502 (visit_assignment): Same.
503 (ccp_visit_stmt): Same.
504 (get_maxval_strlen): Same.
505 (ccp_fold_builtin): Same.
506 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
507 (find_givs_in_stmt): Same.
508 (find_interesting_uses_op): Same.
509 (find_interesting_uses_stmt): Same.
510 (rewrite_use_nonlinear_expr): Same.
511 * ipa-pure-const.c (scan_function): Same.
512 * tree-stdarg.c (va_list_counter_bump): Same.
513 (check_all_va_list_escapes): Same.
514 (execute_optimize_stdarg): Same.
515 * tree-ssa-math-opts.c (compute_merit): Same.
516 (insert_reciprocals): Same.
517 (execute_cse_reciprocals): Same.
518 * tree-ssa-dom.c (initialize_hash_element): Same.
519 (simple_iv_increment_p): Same.
520 (record_equivalences_from_stmt): Same.
521 (optimize_stmt): Same.
522 (remove_stmt_or_phi): Same.
523 (get_rhs_or_phi_arg): Same.
524 (get_lhs_or_phi_result): Same.
525 (propagate_rhs_into_lhs): Same.
526 * tree-nrv.c (tree_nrv): Same.
527 (execute_return_slot_opt): Same.
528 * tree-ssa-propagate.c (get_rhs): Same.
530 (stmt_makes_single_load): Same.
531 (stmt_makes_single_store): Same.
532 (replace_vuses_in): Same.
533 (fold_predicate_in): Same.
534 (substitute_and_fold): Same.
535 * tree-ssa-alias.c (compute_call_clobbered): Same.
536 (recalculate_used_alone): Same.
537 (count_uses_and_derefs): Same.
538 (is_escape_site): Same.
539 (find_used_portions): Same.
540 * gimple-low.c (lower_stmt): Same.
541 (block_may_fallthru): Same.
542 (lower_return_expr): Same.
543 * tree-ssa-sink.c (is_hidden_global_store): Same.
544 (statement_sink_location): Same.
545 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
546 * expr.c (safe_from_p): Same.
547 (expand_expr_real): Same.
548 (expand_expr_real_1): Same.
549 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
550 * predict.c (expr_expected_value): Same.
551 (strip_builtin_expect): Same.
552 (apply_return_prediction): Same.
553 (tree_bb_level_predictions): Same.
554 (tree_estimate_probability): Same.
555 * tree-vn.c (vn_compute): Same.
556 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
557 (remove_stmt_from_eh_region_fn): Same.
558 (do_return_redirection): Same.
559 (honor_protect_cleanup_actions): Same.
560 (lower_try_finally_switch): Same.
561 (lower_eh_constructs_1): Same.
562 (tree_could_throw_p): Same.
563 (verify_eh_throw_stmt_node): Same.
564 * function.c (gimplify_parameters): Same.
565 * tree-vectorizer.c (vect_is_simple_use): Same.
566 (vect_is_simple_reduction): Same.
567 * ipa-type-escape.c (scan_for_refs): Same.
568 * tree-if-conv.c (tree_if_conversion): Same.
569 (tree_if_convert_stmt): Same.
570 (if_convertible_gimplify_modify_stmt_p): Rename from
571 if_convertible_modify_expr_p.
572 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
573 (ifc_temp_var): Same.
574 (replace_phi_with_cond_modify_stmt): Rename from
575 replace_phi_with_cond_modify_expr.
576 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
577 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
578 * tree-data-ref.c (find_data_references_in_loop): Adjust for
580 * tree-flow-inline.h (var_ann): Same.
581 (function_ann): Same.
583 (mark_non_addressable): Same.
584 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
585 * gimplify.c (tree_to_gimple_tuple): New.
586 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
587 (gimplify_return_expr): Same.
588 (gimplify_decl_expr): Same.
589 (gimplify_self_mod_expr): Same.
590 (gimplify_cond_expr): Same.
591 (gimplify_init_constructor): Same.
592 (gimplify_modify_expr): Same.
593 (gimplify_expr): Same.
594 (gimplify_function_tree): Same.
595 (force_gimple_operand): Same.
596 * tree-ssa-phiopt.c (conditional_replacement): Same.
597 (minmax_replacement): Same.
598 (abs_replacement): Same.
599 * tree-dfa.c (create_var_ann): Same.
600 (create_function_ann): Same.
601 (create_stmt_ann): Same.
602 (create_tree_ann): Same.
603 (collect_dfa_stats_r): Same.
604 * tree-ssa-pre.c (find_or_generate_expression): Same.
605 (create_expression_by_pieces): Same.
606 (try_look_through_load): Same.
607 (insert_fake_stores): Same.
608 (realify_fake_stores): Same.
609 (compute_avail): Same.
612 (poolify_modify_stmt): Rename from poolify_modify_stmt.
613 Adjust for GIMPLE_MODIFY_STMT.
614 (NECESSARY): Adjust for new `common' layout.
615 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
617 * tree-sra.c (sra_walk_modify_stmt): Rename from
618 sra_walk_modify_expr.
619 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
620 (generate_copy_inout): Same.
621 (generate_element_copy): Same.
622 (generate_element_zero): Same.
623 (scalarize_copy): Same.
624 * tree-mudflap.c (mf_decl_cache_locals): Same.
625 (mf_build_check_statement_for): Same.
626 (mf_xform_derefs): Same.
627 * ipa-prop.c (ipa_method_modify_stmt): Same.
628 * print-tree.c (print_node): Handle gimple tuples.
629 Add case for tcc_gimple_stmt.
630 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
632 (copy_prop_visit_assignment): Same.
633 (copy_prop_visit_stmt): Same.
634 (init_copy_prop): Same.
635 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
636 (forward_propagate_into_cond_1): Same.
637 (find_equivalent_equality_comparison): Same.
638 (tidy_after_forward_propagate_addr): Same.
639 (forward_propagate_addr_expr_1): Same.
640 (simplify_not_neg_expr): Same.
641 (simplify_switch_expr): Same.
642 * tree-ssa-dce.c (find_pdom): Same.
643 (mark_stmt_if_obviously_necessary): Same.
644 (NECESSARY): Adjust for new `common' layout.
646 * tree-vect-patterns.c (widened_name_p): Adjust for
648 (vect_recog_dot_prod_pattern): Same.
649 (vect_recog_widen_sum_pattern): Same.
650 (vect_pattern_recog_1): Same.
651 * tree-nested.c (init_tmp_var): Same.
652 (save_tmp_var): Same.
654 (convert_call_expr): Same.
655 (finalize_nesting_tree_1): Same.
656 * tree-ssa.c (verify_ssa): Same.
657 (delete_tree_ssa): Same.
658 * lambda-code.c (lbv_to_gcc_expression): Same.
659 (lle_to_gcc_expression): Same.
660 (lambda_loopnest_to_gcc_loopnest): Same.
661 (can_put_in_inner_loop): Same.
662 (can_convert_to_perfect_nest): Same.
663 (perfect_nestify): Same.
664 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
665 * tree-inline.c (copy_body_r): Same.
666 (setup_one_parameter): Same.
667 (initialize_inlined_parameters): Same.
668 (estimate_num_insns_1): Same.
669 (expand_call_inline): Same.
670 (gimple_expand_calls_inline): Same.
672 * tree-optimize.c (execute_free_cfg_annotations): Same.
673 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
674 (vect_align_data_ref): Same.
675 (vect_create_data_ref_ptr): Same.
676 (vect_init_vector): Same.
677 (vect_create_epilog_for_reduction): Same.
678 (vectorizable_reduction): Same.
679 (vectorizable_assignment): Same.
680 (vectorizable_operation): Same.
681 (vectorizable_store): Same.
682 (vectorizable_load): Same.
683 (vectorizable_live_operation): Same.
684 (vectorizable_condition): Same.
685 (vect_generate_tmps_on_preheader): Same.
686 (vect_create_cond_for_align_checks): Same.
687 * tree-object-size.c (collect_object_sizes_for): Same.
688 (check_for_plus_in_loops_1): Same.
689 (check_for_plus_in_loops): Same.
690 * tree-outof-ssa.c (insert_copy_on_edge): Same.
691 (replace_use_variable): Same.
692 (check_replaceable): Same.
693 (rewrite_trees): Same.
694 (identical_copies_p): Same.
695 (insert_backedge_copies): Same.
696 * tree-profile.c (tree_gen_edge_profiler): Same.
697 * tree-vect-generic.c (expand_vector_operations_1): Same.
698 * tree-ssa-structalias.c (update_alias_info): Same.
699 (find_func_aliases): Same.
700 * tree-cfg.c (factor_computed_gotos): Same.
702 (make_goto_expr_edges): Same.
703 (tree_merge_blocks): Same.
704 (remove_useless_stmts_cond): Same.
705 (remove_useless_stmts_1): Same.
706 (tree_find_edge_insert_loc): Same.
708 (gimplify_val): Same.
709 (verify_gimple_tuples_1): New.
710 (verify_gimple_tuples): New.
711 (verify_stmts): Call verify_gimple_tuples.
712 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
713 (get_unary_op): Same.
714 (linearize_expr): Same.
715 (get_single_immediate_use): Same.
716 (negate_value): Same.
717 (should_break_up_subtract): Same.
718 (break_up_subtract): Same.
719 (repropagate_negates): Same.
720 (break_up_subtract_bb): Same.
721 (reassociate_bb): Same.
722 * config/i386/i386.c (ix86_va_start): Same.
723 (ix86_gimplify_va_arg): Same.
724 * stmt.c (expand_expr_stmt): Same.
725 (warn_if_unused_value): Same.
726 (expand_return): Same.
727 * tree-ssanames.c (make_ssa_name): Same.
728 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
729 * tree-ssa-operands.c (finalize_ssa_defs): Same.
730 (add_virtual_operand): Same.
731 (get_expr_operands): Same.
732 (parse_ssa_operands): Same.
733 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
735 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
737 * config.host: Remove extra blank line.
739 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
741 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
742 target is also an x86 variant.
744 2006-12-05 Richard Guenther <rguenther@suse.de>
746 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
747 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
748 (ix86_builtin_vectorized_function): New function to vectorize
751 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
753 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
754 ia64_override_options.
756 2006-12-04 Jan Hubicka <jh@suse.cz>
758 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
761 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
763 * rtlanal.c (note_uses): Deal with SEQUENCEs.
764 * config/bfin/bfin.c: Include "timevar.h".
765 (bfin_flag_schedule_insns2, splitting_for_sched,
766 bfin_flag_var_tracking): New variables.
767 (print_operand): Handle '%!'.
768 (override_options): Disable normal sched2 pass, instead set
769 bfin_flag_schedule_insns2 for reorg to handle it.
770 (output_file_start): Likewise for var-tracking.
771 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
772 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
774 (bfin_reorg): Do second scheduling pass here, and call
775 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
776 of examining insns directly. If bfin_flag_var_tracking, call
777 var-tracking pass when done with everything else.
778 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
779 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
780 (movsi_insn32): New pattern, with two new splits to create it
781 before the final scheduling pass.
782 (neghi2): Not a dsp32 insn, rather alu0.
783 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
784 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
785 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
786 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
787 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
788 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
789 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
790 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
791 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
792 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
793 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
794 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
795 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
796 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
797 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
798 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
799 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
800 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
801 variants instead of ';'.
802 (ror_one, rol_one): Likewise. Make them dsp32 insns.
803 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
804 (align8, align16, align24): Now named patterns; also using '%!'.
807 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
809 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
810 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
812 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
814 * config/spu/spu-protos.c (spu_split_address): Add.
815 * config/spu/spu.c (spu_split_address): Add.
816 (print_operand): Handle HIGH.
817 (spu_legitimate_address): Don't test for aligned CONST.
818 (spu_expand_mov): Don't split addresses here.
819 * config/spu/constraints.md (A): Don't test legitimate_const.
820 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
821 (ceq_di): Use correct predicates.
823 2006-12-04 Eric Christopher <echristo@apple.com>
825 * config/darwin.h: Update copyright notice.
826 * config/i386/darwin.h: Ditto.
828 2006-12-04 Jan Hubicka <jh@suse.cz>
830 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
831 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
833 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
835 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
837 * tree-ssa-structalias.c (set_used_smts): Export.
838 (find_what_p_points_to): Don't call set_used_smts here.
839 * tree-ssa-structalias.h (set_used_smts): Add prototype.
841 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
843 * tree-ssa-alias.c (compute_may_aliases):
844 Compute flow sensitive before flow insensitive.
845 (compute_flow_sensitive_aliasing): Don't try to add
846 a symbol memory tag to itself.
848 * alias.h (alias_set_subset_of): New prototype.
850 * alias.c (alias_set_subset_of): New function.
852 * tree-ssa-structalias.c: Update comments.
853 (struct variable_info): Add finished_solution.
854 (new_varinfo): Set finished solution to NULL.
855 (var_escaped_vars): Remove.
856 (escaped_vars_tree): Remove.
857 (escaped_vars_id): Remove.
858 (nonlocal_vars_id): Remove.
859 (constraint_expr_type): Add INCLUDES.
860 (graph_size): Removed.
861 (dump_constraint): Support INCLUDES.
862 (build_constraint_graph): Ditto.
863 (collapse_nodes): Add merge_solutions argument.
864 Don't merge attributes.
865 (process_unification_queue): Just use collapse_nodes.
866 (perform_var_substitution): Update call to collapse_nodes.
867 (get_constraint_exp_from_ssa_var): Use INCLUDES.
868 (process_constraint): Fix non-field sensitive handling
870 (get_constraint_for): Use INCLUDES.
871 (make_constraint_from_anything): Renamed from
872 make_constraint_from_escaped.
873 (make_constraint_to_escaped): Removed.
874 (find_global_initializers): Removed.
875 (create_variable_info_for): Do not make constraints to escaped
877 (dump_solution_for_var): Don't print out the equivalent points-to
878 sets, just use the name of the variable it shares it with.
879 (intra_create_variable_infos): Use INCLUDES.
880 Change nonlocal variable sets to anything sets.
881 (init_base_vars): Remove escaped_vars and nonlocal_var
883 (find_escape_constraints): Removed.
884 (delete_points_to_sets): Remove dead code.
885 (used_smt_calculated): New variable.
886 (set_used_smts): New function.
887 (merge_smts_into): New function.
888 (find_what_p_points_to): Modify to use SMTs.
889 (create_nonlocal_var): Remove.
891 * tree-ssa-operands.c (access_can_touch_variable): Remove
892 reference to nonlocal_all.
894 * tree-ssa.c (verify_name_tags): Remove.
896 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
898 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
899 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
901 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
903 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
904 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
905 (add_livein_if_notdef): Delete.
906 (loe_visit_block): New. Propogate live on entry info for a block into
907 each predecessor. If it changes, make sure it is visited again.
908 (live_worklist): Visit every block and update the live on entry info
909 for preds. Iterate over any that changed.
910 (set_var_live_on_entry): Populate the live on entry blocks with bits
911 based on the immediate uses of a var.
912 (calculate_live_on_entry): Remove.
913 (calculate_live_on_exit): Calculate live on exit based on the newly
914 oriented live on entry bits.
915 (calculate_live_ranges): Build live on entry and exit vectors.
916 (dump_live_info): Use new orientation of live on entry bitmaps.
917 (verify_live_on_entry): New. Split out verification code from old
918 calculate_live_on_entry routine.
919 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
920 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
921 basic_block instead of for a partition.
922 (live_merge_and_clear): Add asserts.
923 (make_live_on_entry): Set partition bit in basic block vector.
925 2006-12-04 Jakub Jelinek <jakub@redhat.com>
928 * omp-low.c (expand_omp_for_static_nochunk,
929 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
933 * omp-low.c (determine_parallel_type): Don't try to optimize combined
934 parallels if region->exit or region->inner->exit is NULL.
935 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
937 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
938 (expand_omp_for): Use expand_omp_for_generic if either region->cond
939 or region->exit is NULL.
940 (expand_omp_sections): Handle NULL region->cond or region->exit.
943 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
945 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
946 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
948 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
950 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
951 TYPE_MAX_VALUE for scalar types here but...
952 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
953 is attached an error mark, and the return value of the callback
954 if it is not NULL_TREE.
956 2006-12-04 Ben Elliston <bje@au.ibm.com>
958 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
960 2006-12-03 Eric Christopher <echristo@apple.com>
963 * config/t-slibgcc-darwin: Pass -install_name.
964 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
965 libtool. Only pass through options that the linker recognizes.
966 (LINK_SPEC): Update comment. Translate options.
967 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
968 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
970 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
972 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
974 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
977 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
978 operands[1] in insn constraint. Correct type attribute to sselog1.
980 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
983 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
985 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
988 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
989 -march=native if there is no -mtune=*.
991 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
994 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
996 * doc/install.texi: Update recommended MPFR version. Remove
997 obsolete reference to cumulative patch.
999 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1002 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1004 2006-11-30 Jan Hubicka <jh@suse.cz>
1005 Uros Bizjak <ubizjak@gmail.com>
1007 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1008 32bit memcpy/memset decriptors.
1009 (decide_alg): With -minline-all-stringops and sizes that are best
1010 to be copied via libcall still work hard enough to pick non-libcall
1013 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1015 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1017 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1018 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1019 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1020 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1021 config/spu/spu-c.c, config/spu/spu-modes.def,
1022 config/spu/spu.c, config/spu/spu.md,
1023 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1024 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1025 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1026 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1027 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1028 spelling conventions.
1030 * config/i386/i386.c: Fix a comment typo.
1032 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1034 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1035 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1036 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1037 better optimization.
1038 (floatv4siv4sf2): New.
1039 (fix_truncv4sfv4si2): New.
1040 (floatunsv4siv4sf2): New.
1041 (fixuns_truncv4sfv4si2): New.
1049 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1050 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1051 spu_resolve_overloaded_builtin instead of static inline functions.
1053 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1055 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1056 type instead of the size of its mode to compute the highest and
1057 lowest possible values. Still check the size of the mode before
1058 flipping the signedness of the comparison.
1060 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1062 * config/spu/predicates.md (spu_mov_operand): Add.
1063 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1064 (print_operand_address, print_operand): Handle addresses containing AND.
1065 (spu_split_load, spu_split_store): Use updated movti pattern.
1066 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1067 stores in mov patterns for correct operation of reload.
1068 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1070 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1073 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1075 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1077 * common.opt (ftree-combine-temps): Remove.
1078 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1079 (coalesce_ssa_name): Don't check for combine-temps.
1080 (coalesce_vars): Remove.
1081 (check_replaceable): Use num_imm_uses.
1082 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1083 check for combine-temps.
1084 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1085 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1086 to register_ssa_partition calls.
1087 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1088 (init_var_map, delete_var_map): remove refernces to ref_count.
1089 (create_ssa_var_map): Never calculate a ref count.
1090 (type_var_init): Remove.
1091 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1092 (SSA_VAR_MAP_REF_COUNT): Delete.
1093 (create_ssa_var_map): Change Prototype to have no parameters.
1094 (version_ref_count): Delete.
1095 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1097 (type_var_num, type_var, type_var_first_partition,
1098 type_var_next_partition, type_var_dump, type_var_delete,
1099 type_var_remove_partition, type_var_find, type_var_compact,
1100 type_var_decompact): Remove.
1102 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1104 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1107 2006-12-01 Richard Guenther <rguenther@suse.de>
1110 * dwarf2out.c (struct pubname_struct): Make name const.
1111 (add_pubtype): Do not xstrdup identifiers.
1113 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1115 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1116 multiword accesses are in range.
1118 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1120 PR tree-optimization/29921
1121 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1122 (set_lattice_value): Use canonicalize_float_value.
1124 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1126 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1127 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1128 (spu_cpu_cpp_builtins): Remove.
1129 (spu_override_options): Don't set warn_main.
1130 (spu_force_reg): Move from spu-c.c.
1131 (spu_check_builtin_parm): Likewise.
1132 (expand_builtin_args): Likewise.
1133 (spu_expand_builtin_1): Likewise.
1134 (spu_expand_builtin): Likewise.
1135 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1136 warn_main and targetm.resolve_overloaded_builtin.
1137 * config/spu/spu-c.c (spu_builtin_range): Remove.
1138 (spu_check_builtin_parm): Remove.
1139 (expand_builtin_args): Remove.
1140 (spu_expand_builtin_1): Remove.
1141 (spu_expand_builtin): Remove.
1142 (spu_cpu_cpp_builtins): Moved from spu.c
1143 (spu_force_reg): Remove.
1145 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1146 David Edelsohn <edelsohn@gnu.org>
1149 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1150 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1151 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1152 HARD_REGNO_NREGS_WITH_PADDING): Define.
1153 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1154 HARD_REGNO_NREGS_WITH_PADDING): Define.
1155 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1156 Use new macros to detect modes with holes; do not look at integer
1158 (subreg_offset_representable_p): Check for and disallow cases
1159 where the modes use different numbers of bits from registers.
1160 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1161 constant for soft-float.
1162 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1164 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1165 in E500 double case.
1166 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1167 (movtf_softfloat): New.
1169 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1171 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1172 simplify_gen_subreg.
1174 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1176 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1177 (COALESCE_HASH_FN): New. Define hash function.
1178 (partition_pair_map_hash): New. Hash value for a partition pair.
1179 (partition_pair_map_eq): New. Equality for hash pairs.
1180 (create_coalesce_list): Create hash table.
1181 (delete_coalesce_list): Free hash table.
1182 (find_partition_pair): Find/create pairs in hash table.
1183 (compare_pairs): Sort pairs in ascending order now.
1184 (num_coalesce_pairs): New. Number of pairs in hash table.
1185 (struct partition_pair_iterator): Iterator struct for pair table.
1186 (first_partition_pair): Iterator function for first pair.
1187 (end_partition_pair_p): Iterator function for end of iteration.
1188 (next_partition_pair): Iterator function for next pair.
1189 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1190 (sort_coalesce_list): Sort pairs from hash table into an array.
1191 (pop_best_coalesce): Take pairs from the array.
1192 (dump_coalesce_list): Update to use hash table or sorted array.
1193 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1194 (struct coalesce_list_d): Add hash table related fields.
1196 2006-11-30 Jan Hubicka <jh@suse.cz>
1199 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1200 memmove/bcopy->memcpy conversion.
1202 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1204 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1205 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1206 Default is the largest alignment supported for 32-bit ELF and
1207 representable on a 32-bit host.
1209 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1211 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1213 2006-11-30 Jan Hubicka <jh@suse.cz>
1215 * tree-ssa-operands.h (struct ssa_operands): New.
1216 * tree-flow-inline.h (gimple_ssa_operands): New function.
1217 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1218 * Makefile.in: Remove gt-tree-ssa-operands.h
1219 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1220 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1221 operand_memory, operand_memory_index, ops_active): Remove statics.
1222 (ALLOC_OPTYPE): Update.
1223 (operand_build_sort_virtual): Update.
1224 (ssa_operands_active): Update.
1225 (init_ssa_operands): Update.
1226 (fini_ssa_operands): Update.
1227 (ssa_operand_alloc): Update.
1228 (INITIALIZE_USE): Update.
1229 (finalize_ssa_use_ops): Update.
1230 (finalize_ssa_v_may_def_ops): Update.
1231 (finalize_ssa_vuse_ops): Update.
1232 (finalize_ssa_v_must_def_ops): Update.
1234 2006-11-30 Richard Guenther <rguenther@suse.de>
1236 * tree-vectorizer.h (vectorizable_function): Export.
1237 * tree-vect-transform.c (vectorizable_function): Likewise.
1238 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1239 type_in to scalar type in recognition of squaring.
1240 Make sure the target can vectorize sqrt in recognition
1241 of sqrt, set type_in to vector type in this case.
1243 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1245 * config/i386/i386.md (R10_REG): New constant.
1246 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1247 (ix86_emit_restore_regs_using_mov): Ditto.
1248 (ix86_expand_call): Ditto.
1249 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1251 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1253 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1254 * alias.c (canon_true_dependence): Update comment.
1256 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1258 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1259 at the end of a diagnostics message.
1261 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1262 until after asserting that it was allocated in the right pool.
1264 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1265 successor edge information as well. Make output of live regs
1266 on exit consistent with live regs on entry.
1268 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1271 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1272 insn patterns for TARGET_80387.
1273 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1274 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1275 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1276 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1277 Generate truncxf<mode>2 insn patterns for strict SSE math.
1279 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1281 * config/i386/i386.md (movsf_1): Enable pattern for standard
1282 80387 constants before reload when optimizing for size.
1283 (*movdf_nointeger, *movdf_integer): Ditto.
1284 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1285 80387 constants before reload when not optimizing for size.
1287 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1288 extension of XFmode input operands.
1290 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1292 * config/spu/crt0.c (__dso_handle): Define.
1294 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1296 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1297 when clearing the used flags.
1299 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1301 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1303 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1306 * config/spu/spu.md (extend_compare<mode>): New pattern.
1307 (extend_compare): Change to expand and use the above pattern.
1309 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1311 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1313 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1314 (DFP_INIT_ROUNDMODE): Define.
1315 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1316 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1318 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1320 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1321 Update documentation.
1322 (associate_line_notes_with_blocks): Kill.
1323 (extend_bb): Remove basic block argument, put void instead.
1324 Remove line number handling for each bb.
1325 (save_line_notes): Kill.
1326 (restore_line_notes): Kill.
1327 (sched_init): Remove line_note_head initialization.
1328 Change extend_bb call.
1329 (sched_finish): Remove free of line_note_head.
1330 (add_block): Change extend_bb call.
1331 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1332 rm_line_notes and restore_line_notes calls.
1333 (schedule_ebbs): Remove rm_redundant_line_notes.
1334 * sched-int.h (struct haifa_insn_data): Remove line_note.
1335 (save_line_notes): Remove declaration.
1336 (restore_line_notes): Remove declaration.
1337 * modulo-sched.c (loop_canon_p): Update debug info printing
1338 by using insn locators instead of line note.
1339 (sms_schedule): Update debug info printing, by using insn
1340 locators instead of line note.
1341 * sched-rgn.c (debug_dependencies): Remove handling of case
1342 n>0 (line number), since it's a dead code.
1343 (schedule_region): Remove save_line_notes and
1344 restore_line_notes calls.
1346 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1348 * config/rs6000/predicates.md (gpc_reg_operand): Check
1349 invalid_e500_subreg.
1350 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1351 SImode subregs of SPE vectors.
1352 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1353 * jump.c (true_regnum): Require subregs to satisfy
1354 subreg_offset_representable_p.
1356 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1357 Steven Bosscher <stevenb.gcc@gmail.com>
1359 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1360 since it no longer exists.
1362 2006-11-29 Duncan Sands <baldrick@free.fr>
1364 PR tree-optimization/23744
1365 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1367 2006-11-29 Duncan Sands <baldrick@free.fr>
1369 PR tree-optimization/23744
1370 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1372 2006-11-29 Duncan Sands <baldrick@free.fr>
1374 PR tree-optimization/23744
1375 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1377 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1379 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1381 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1383 * sh.opt (minline-ic_invalidate): New option.
1384 (musermode): Adjust comment.
1385 * sh.c (sh_initialize_trampoline): Emit library call unless
1386 is set; if it is set, don't emit library call if we can use icbi
1388 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1389 icbi for TARGET_SH4_300.
1390 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1391 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1392 -musermode documentation.
1394 2006-11-29 Jim Tison <jtison@us.ibm.com>
1396 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1397 __gthread_recursive_mutex_init): Define.
1399 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1401 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1402 STRICT_ALIGNMENT and the type is more aligned than the saved
1403 registers, copy via a temporary.
1405 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1408 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1411 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1413 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1415 2006-11-28 Jan Hubicka <jh@suse.cz>
1417 Privatize SSA variables into gimple_df.
1418 * tree-flow-inline.h
1419 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1420 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1421 gimple_nonlocal_all): New accessors.
1422 (first_referenced_var): Update.
1423 (mark_stmt_modified): Update.
1424 (is_call_clobbered): Update.
1425 (mark_call_clobbered): Update.
1426 (clear_call_clobbered): Update.
1427 (mark_non_addressable): Update.
1428 * tree-vrp.c (get_value_range): Update.
1429 * tree-into-ssa.c (in_ssa_p): Kill.
1430 (get_default_def_for): Update.
1431 (rewrite_into_ssa): Update.
1432 * tree-complex.c (init_parameter_lattice_values): Update.
1433 (update_complex_assignment): Update.
1434 (update_parameter_components): Update.
1435 (expand_complex_libcall): Update.
1436 (expand_complex_operations_1): Update.
1437 * tree-tailcall.c (arg_needs_copy_p): Update.
1438 (add_virtual_phis): Update.
1439 (tree_optimize_tail_calls_1): Update.
1440 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1441 * tree-ssa-copyrename.c
1442 (copy_rename_partition_coalesce): Update.
1443 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1444 * tree-ssa-propagate.c (set_rhs): Update.
1445 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1446 addressable_vars, global_var):Kill.
1447 (set_initial_properties): Update.
1448 (init_alias_info): Update.
1449 (finalize_ref_all_pointers): Update.
1450 (setup_pointers_and_addressables): Update.
1451 (maybe_create_global_var): Update.
1452 (create_global_var): Update.
1453 (dump_points_to_info): Update.
1454 * function.h (struct gimple_df): Forward declare.
1455 (struct function): Add GIMPLE_DF field.
1456 * gimplify.c (force_gimple_operand): Update.
1457 * tree-dfa.c (referenced_vars, default_defs): KIll.
1458 (make_rename_temp): Update.
1459 (dump_variable): Update.
1460 (referenced_var_lookup): Update.
1461 (referenced_var_check_and_insert): Update.
1462 (default_def): Rename to ...
1463 (gimple_default_def): ... this one; accept cfun argument.
1464 (set_default_def): Update.
1465 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1466 (cleanup_control_flow): Update.
1467 * tree-ssa-pre.c (compute_avail): Update
1468 * tree-ssa-live.c (calculate_live_on_entry): Update.
1469 * tree-ssa.c (verify_use): Update.
1470 (verify_call_clobbering): Update.
1471 (verify_call_clobbering): Update.
1472 (init_tree_ssa): Update.
1473 (delete_tree_ssa): Update.
1474 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1475 (rewrite_out_of_ssa): Update.
1476 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1477 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1479 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1480 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1481 addressable_vars, aliases_computed_p): Kill.
1482 (default_def): Rename to...
1483 (gimple_default_def): ... this one.
1484 (defaule_def_fn): Kill.
1485 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1486 * tree-ssa-structalias.c (nonlocal_all): Kill.
1487 (get_constraint_exp_from_ssa_var): Update.
1488 (create_nonlocal_var): Update.
1489 (get_constraint_for): Update.
1490 (update_alias_info): Update.
1491 (find_global_initializers): Update.
1492 (intra_create_variable_infos): Update.
1493 (intra_create_variable_infos):
1494 (find_what_p_points_to): Update.
1495 (init_alias_heapvars): Update.
1496 * tree-cfg.c (remove_bb): Update.
1497 (gimplify_val): Update.
1498 * tree-ssa-reassoc.c (get_rank): Update.
1499 (init_reassoc): Update.
1500 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1501 (ssa_names, free_ssanames): Kill.
1502 (init_ssanames): Update.
1503 (make_ssa_name): Update.
1504 (release_ssa_name): Update.
1505 (release_defs): Update.
1506 (replace_ssa_name_symbol): Update.
1507 * tree-ssa-operands.c (access_can_touch_variable): Update.
1508 (add_virtual_operand): Update.
1509 (add_call_clobber_ops): Update.
1510 (add_call_read_ops): Update.
1511 (get_call_expr_operands): Update.
1512 (get_asm_expr_operands): Update.
1514 2006-11-28 Jan Hubicka <jh@suse.cz>
1516 * builtins.c: Include tree-flow.h.
1517 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1518 assignment; convert memmove to memcpy for sizes greater than 1 where
1519 alignment of operands prohibit the partial overlap.
1521 2006-11-28 Jan Hubicka <jh@suse.cz>
1523 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1524 * cgraph.c (dump_cgraph_node): Dump stack usage.
1525 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1526 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1527 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1528 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1529 (cgraph_check_inline_limits): Limit stack growth.
1530 * cfgexpand.c: Include tree-inline.h.
1531 (account_stack_vars): New function.
1532 (expand_one_var): New param to just account the stack; return estimated
1534 (expand_used_vars_for_block): Update call of expand_one_var.
1535 (account_used_vars_for_block): New function.
1536 (estimated_stack_frame_size): Likewise.
1537 (init_vars_expansion, fini_vars_expansion): Break out from..
1538 (expand_used_vars): ... here.
1539 * tree-inline.h (estimated_stack_frame_size): Declare.
1540 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1542 2006-11-28 Richard Guenther <rguenther@suse.de>
1544 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1545 unsigned long for printing OBJECT_SIZE.
1547 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1549 * alias.c (init_alias_analysis): Remove simplification loop
1550 after propagating pointers.
1552 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1554 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1557 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1559 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1561 2006-11-27 Roger Sayle <roger@eyesopen.com>
1562 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1564 * c-common.c (constant_fits_type_p): Delete.
1565 (unsigned_conversion_warning): Delete.
1566 (conversion_warning): Integrate Wconversion warning from
1567 unsigned_conversion_warning.
1568 (convert_and_check): Integrate Woverflow warning from
1569 unsigned_conversion_warning. Reorganize and simplify to avoid
1570 dependence upon the middle-end setting TREE_OVERFLOW on integral
1571 conversions, by using int_fits_type_p directly.
1573 2006-11-27 Tobias Burnus <burnus@net-b.de>
1575 * doc/invoke.texi: Fixed typo.
1577 2006-11-27 Michael Matz <matz@suse.de>
1578 Andreas Krebbel <krebbel1@de.ibm.com>
1581 * config/s390/predicates.md (larl_operand): Check addend of larl
1582 operand to be in range of -/+2GB.
1583 * config/s390/s390.c (legitimize_pic_address): Likewise.
1584 Changed type of variable even to HOST_WIDE_INT.
1586 2006-11-27 Jan Hubicka <jh@suse.cz>
1588 * expr.c (emit_block_move_via_libcall): Export.
1589 (clear_storage_via_libcall): Rename to ...
1590 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1591 (clear_storage): Update to set_storage_via_libcall.
1592 * expr.h (emit_block_move_via_libcall): Declare
1593 * config/i386/i386.h (stringop_alg): New enum.
1594 (MAX_STRINGOP_ALGS): New constant.
1595 (stringop_algs): New struct.
1596 (processor_costs): Add memcpy/memset descriptors.
1597 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1598 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1599 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1601 * config/i386/i386.opt (minline-stringops-dynamically,
1602 mstringop-strategy): New
1604 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1605 (ix86_expand-clrmem): Rename to ...
1606 (ix86_expand_setmem): ... this one; update prototype.
1607 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1608 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1609 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1610 nocona_cost, core2_cost, generic_cost, generic64_cost,
1611 generic32_cost): Add memcpy/memset descriptors.
1612 (x86_rep_movl_optimal): Remove.
1613 (stringop_alg): New static variable.
1614 (ix86_expand_aligntest): Handle predictions.
1615 (override_options): Add strgop_alg handling.
1616 (predict_jump): New function.
1617 (scale_counter): New function.
1618 (expand_set_or_movmem_via_loop): New function.
1619 (expand_movmem_via_rep_mov): New function.
1620 (expand_setmem_via_rep_stots): New function.
1621 (emit_strmov): New function.
1622 (expand_movmem_epilogue): New function.
1623 (expand_setmem_epilogue_via_loop): New function.
1624 (expand_setmem_epilogue): New function.
1625 (expand_movmem_prologue): New function.
1626 (expand_setmem_prologue): New function.
1627 (decide_alg): New function.
1628 (decide_alignment): New function.
1629 (ix86_exand_movmem): Rewrite.
1630 (promote_duplicated_reg): New function.
1631 (ix86_expand_clrmem): Rename to ...
1632 (ix86_expand_setmem): ... this one. Rewrite.
1634 * invoke.texi (minline-stringops-dynamically): New command line option.
1635 (mstringop-strategy): Likewise.
1637 2006-11-27 Jan Hubicka <jh@suse.cz>
1639 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1640 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1641 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1642 * insn-notes.def (FUNCTION_END): Remove.
1643 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1644 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1646 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1647 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1648 * cfglayout.c (duplicate_insn_chain): Don't worry about
1651 2006-11-27 Richard Guenther <rguenther@suse.de>
1652 Zdenek Dvorak <dvorakz@suse.cz>
1654 * target.h (struct gcc_target): Add builtin_vectorized_function
1656 * target-def.h (TARGET_VECTORIZE): Likewise.
1657 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1658 Document new target hook.
1659 * targhooks.h (default_builtin_vectorized_function): Declare.
1660 * targhooks.c (default_builtin_vectorized_function): Define.
1661 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1662 (vectorizable_call): Declare.
1663 * tree-vect-analyze.c (vect_analyze_operations): Call
1665 * tree-vect-transform.c (vectorizable_function): New static function.
1666 (build_vectorized_function_call): Likewise.
1667 (vectorizable_call): New function.
1668 (vect_transform_stmt): Handle vectorizable calls.
1670 2006-11-27 Richard Guenther <rguenther@suse.de>
1673 * builtins.c (expand_builtin_pow): Optimize non integer valued
1674 constant exponents using sqrt or cbrt if possible. Always fall back
1675 to expanding via optabs.
1677 2006-11-27 Ira Rosen <irar@il.ibm.com>
1679 PR tree-optimization/22372
1680 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1681 the type of the base address.
1682 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1683 it in the data-ref pointer creation.
1684 (vect_init_vector): Add an argument, type of the init vector. Use it in
1686 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1687 (get_initial_def_for_reduction): Likewise.
1688 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1690 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1691 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1692 correct type in stmt creation.
1693 (vect_setup_realignment): Use the correct type in stmt creation.
1694 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1696 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1697 of MODIFY_EXPR to void_type_node.
1698 (vectorizable_condition): Change type of MODIFY_EXPR to
1700 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1703 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1706 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1707 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1708 standard 80387 constants, raise the cost to prevent
1709 compress_float_constant() to generate load from memory.
1711 * config/i386/i386.md: Add new splitter pattern to split
1712 float_extended load of constant from constant pool into
1715 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1717 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1718 section to general section. Remove documentation for
1719 --with-mpfr-dir and --with-gmp-dir, add documentation for
1720 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1723 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1725 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1727 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1729 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1731 PR tree-optimization/29122
1732 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1733 for the new version. Assign NULL to DECL_RTL of the new version.
1735 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1737 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1739 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1741 * cse.c (cse_altered): Remove.
1742 (record_jump_equiv): Make true/false argument a bool instead
1744 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1745 where appropriate. Emit a new jump before the existing one
1746 instead of after so that delete_insn_and_edges removes the
1747 dead edges properly. Check any_condjump_p before calling
1749 (cse_basic_block): Check any_condjump_p before calling
1751 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1753 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1755 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1756 -ffixed-line-length-* options.
1758 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1761 (fprem1xf4): Rename to fprem1xf4_i387.
1763 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1764 Rename patterns to fmod<mode>3. Use general_operand operand
1765 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1766 patterns for SSE math.
1767 (remaindersf3, remainderdf3): Ditto.
1769 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1771 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1772 inside start_sequence / end_sequence pair.
1774 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1776 * jump.c (mark_all_labels): Work in cfglayout mode.
1777 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1778 when in cfglayout mode, because there are no dead jumptables
1780 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1782 (commit_edge_insertions): Do not allow insertion of instructions
1783 with control flow insns when in cfglayout mode.
1785 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1787 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1789 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1790 unswitch_loop): Ditto.
1791 * tree-loop-linear.c (linear_transform_loops): Ditto.
1792 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1793 tree_ssa_lim): Ditto.
1794 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1795 free_numbers_of_iterations_estimates): Ditto.
1796 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1797 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1798 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1799 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1800 place_new_loop, duplicate_loop, duplicate_subloops,
1801 update_single_exit_for_duplicated_loops, copy_loops_to,
1802 duplicate_loop_to_header_edge, create_preheaders,
1803 force_single_succ_latches, loop_version, fix_loop_structure):
1805 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1806 tree_unroll_loop): Ditto.
1807 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1808 * tree-scalar-evolution.c (select_loops_exit_conditions,
1809 scev_initialize, scev_analysis): Ditto.
1810 * tree-scalar-evolution.h (scev_initialize): Ditto.
1811 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1812 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1813 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1814 * modulo-sched.c (sms_schedule): Ditto.
1815 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1816 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1817 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1818 * ifcvt.c (if_convert): Ditto.
1819 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1820 canonicalize_loop_induction_variables,
1821 canonicalize_induction_variables,
1822 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1823 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1824 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1825 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1826 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1827 tree_ssa_loop_done): Ditto.
1828 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1829 estimate_bb_frequencies): Ditto.
1830 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1831 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1832 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1833 decide_unrolling_and_peeling, peel_loop_completely,
1834 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1835 peel_loop_simple, unroll_loop_stupid): Ditto.
1836 * loop-doloop.c (doloop_optimize_loops): Ditto.
1837 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1838 * loop-invariant.c (move_loop_invariants): Ditto.
1839 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1840 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1841 tree_ssa_prefetch_arrays): Ditto.
1842 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1844 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1845 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1846 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1847 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1848 verify_loop_structure): Ditto.
1849 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1850 canonicalize_induction_variables, tree_unroll_loops_completely,
1851 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1852 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1853 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1854 tree_unroll_loop, linear_transform_loops): Declaration changed.
1855 * basic-block.h: Remove declaration of struct loops.
1856 * cfghooks.h (struct cfg_hooks): Change type of
1857 cfg_hook_duplicate_loop_to_header_edge.
1858 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1859 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1860 vect_transform_loop): Declaration changed.
1861 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1862 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1863 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1864 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1865 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1866 loopify, loop_version, remove_path, unswitch_loops,
1867 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1868 Declaration changed.
1870 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1872 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1873 (X87MODEF): New mode macro.
1874 (ssemodefsuffix): New mode attribute.
1875 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1876 (sqrt_extend<mode>xf2_i387): New insn pattern.
1877 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1878 insn and truncate result back to original mode using
1879 UNSPEC_TRUNC_NOOP truncation.
1880 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1881 ssemodefsuffix mode attribute.
1882 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1883 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1884 (*sqrtextenddfxf2_i387): Remove insn patterns.
1886 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1887 truncation patterns.
1889 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1891 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1894 * c-tree.h (c_maybe_initialize_eh): New prototype.
1895 * c-decl.c (finish_decl): Move EH initialization...
1896 (c_maybe_initialize_eh): ... here. New function.
1897 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1898 if not #pragma omp atomic.
1901 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1902 or UNION_TYPE inner types.
1904 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1907 * ipa-pure-const.c (check_tree): If the original tree
1908 is volatile return early and say the function is not pure
1909 nor const. Remove the volatile check for writes.
1910 (analyze_function): Print out the result of the local
1913 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1915 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1917 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1918 * config/rs6000/rs6000.c (rs6000_override_options): Use
1919 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1922 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1924 * config/s390.c (s390_emit_compare_and_swap): New function.
1925 (s390_expand_cs_hqi, s390_expand_atomic): Call
1926 s390_emit_compare_and_swap.
1928 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1930 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1932 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1936 * c-common.c (conversion_warning): New.
1937 (convert_and_check): Call conversion_warning unless there is an
1939 * doc/invoke.texi (-Wconversion): Update description.
1941 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1943 * tree-ssa-alias.c (tree_pointer_compare): New function.
1944 (compact_name_tags): New function.
1945 (group_aliases): Call compact_name_tags.
1947 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1949 * real.h (real_isinteger): Declare.
1950 * real.c (real_isinteger): Define.
1951 * builtins.c (integer_valued_real_p): Use it.
1953 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1956 * c.opt (Wtraditional-conversion): New.
1957 (Wconversion): Update description.
1958 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1959 type conversions different from what would happen in the absence
1960 of prototype are now handled by Wtraditional-conversion.
1961 * doc/invoke.texi (Wtraditional-conversion): New.
1962 (Wconversion): Update description.
1963 * doc/trouble.texi (Wconversion): Replace Wconversion by
1964 Wtraditional-conversion.
1966 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1968 * predict.c (tree_estimate_probability): Check to make
1969 sure current_loops is non null before calling flow_loops_dump.
1971 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1973 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1975 2006-11-23 David Ung <davidu@mips.com>
1977 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1979 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1980 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1981 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1982 high part of FP register when in 64-bit FP register mode. Similarly
1983 use gen_mfhc1 to load high part of FP register.
1984 (override_options): Allow -mgp32 and -mfp64 combination if
1985 ISA_HAS_MXHC1 (currently for O32 only).
1986 (mips_cannot_change_mode_class): If floating-point registers are
1987 bigger than word size. disallow conversion of float register from a
1988 large integer mode to a float mode smaller than the float register
1990 (mips_class_max_nregs): Handle float registers case seperately.
1991 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1993 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1994 (movdf_hardfloat_32bit): Similarly.
1995 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1996 support a full 64-bit fpu.
1997 (mthc1): New pattern to generate MTHC1 instruction.
1998 (mfhc1): New pattern to generate MFHC1 instruction.
1999 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2000 option for the MIPS32R2 and mention its use under O32 ABI.
2002 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2004 * var-tracking.c (emit_note_insn_var_location): Take care not to
2005 cause verify_flow_info failures.
2007 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2009 * tree-ssa-structalias.c: Remove edge weights in favor of just
2010 processing them as complex constraints.
2011 (struct constraint_graph): Remove weighted succs and preds. Rename
2012 nonweighted succs and preds.
2013 (constraint_edge): Removed.
2014 (constraint_edge_t): Ditto.
2015 (constraint_edge_pool): Ditto.
2016 (new_constraint_edge): Ditto.
2017 (constraint_edge_equal): Ditto.
2018 (constraint_edge_less): Ditto.
2019 (constraint_edge_vec_find): Ditto.
2020 (erase_self_graph_edge): Ditto.
2021 (add_graph_edge): Removed.
2022 (get_graph_weights): Ditto.
2023 (allocate_graph_weights): Ditto.
2024 (valid_weighted_graph_edge): Ditto
2025 (bitmap_other_than_zero_bit_set): Ditto.
2026 (int_add_graph_edge): Renamed to add_graph_edge.
2027 (clear_edges_for_node): Remove support for weighted edges.
2028 (merge_graph_nodes): Ditto.
2029 (valid_graph_edge): Ditto.
2030 (build_constraint_graph): Ditto.
2032 (collapse_nodes): Ditto.
2033 (process_unification_queue): Ditto.
2034 (topo_visit): Ditto.
2035 (do_ds_constraint): Ditto.
2036 (perform_var_subsitution): Ditto.
2037 (solve_graph): Ditto.
2038 (init_alias_vars): Ditto.
2039 (delete_points_to_sets): Ditto.
2040 (do_complex_constraint): Support offsetted copies here.
2042 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2044 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2046 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2048 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2051 2006-11-23 Ben Elliston <bje@au.ibm.com>
2053 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2055 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2057 PR tree-optimization/29921
2058 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2059 signed and unsigned zero equal.
2061 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2063 * config/rs6000/rs6000.c (get_store_dest): New.
2064 (adjacent_mem_locations): Use get_store_dest() to get
2065 the rtl of the store destination.
2067 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2069 * config/rs6000/spe.md (SPE64): New mode macro.
2070 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2072 (mov_si<mode>_e500_subreg0_2): New.
2073 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2075 (mov_si<mode>_e500_subreg4_2): New.
2076 * config/rs6000/predicates.md (input_operand): Do not allow
2077 invalid E500 subregs.
2078 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2080 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2081 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2082 involving vector modes if TARGET_SPE.
2084 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2087 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2088 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2090 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2092 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2093 mem_i_address_operand): New predicates.
2094 * config/bfin/bfin.c (bfin_issue_rate): New function.
2095 (TARGET_SCHED_ISSUE_RATE): New macro.
2096 * config/bfin/bfin.md (addrtype): New attribute.
2097 (slot0, slot1, slot2, store, pregs): New cpu_units.
2098 (core): Now a define_reservation.
2099 (alu): Remove some insn types from this reservation.
2100 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2102 (dummy reservation): Don't trigger for mcld insns.
2103 (absence_sets): Two new absence sets to enforce slot ordering.
2104 (popsi_insn): Set addrtype.
2106 2006-11-22 Ira Rosen <irar@il.ibm.com>
2108 * doc/c-tree.texi: Document new tree codes.
2109 * doc/md.texi: Document new optabs.
2110 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2112 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2113 * optabs.h (optab_index): Add new.
2114 (vec_extract_even_optab, vec_extract_odd_optab,
2115 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2116 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2117 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2119 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2120 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2121 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2122 along with macros for their access.
2123 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2125 * tree-vect-analyze.c (toplev.h): Include.
2126 (vect_determine_vectorization_factor): Fix indentation.
2127 (vect_insert_into_interleaving_chain,
2128 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2129 (vect_analyze_data_ref_dependence): Add argument for interleaving
2130 check. Check for interleaving if it's true.
2131 (vect_check_dependences): New function.
2132 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2133 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2134 (vect_update_misalignment_for_peel): Update for interleaving.
2135 (vect_verify_datarefs_alignment): Check only first data-ref for
2137 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2138 only first data-ref for interleaving.
2139 (vect_analyze_data_ref_access): Check interleaving, update
2141 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2142 with different parameters.
2143 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2144 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2145 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2146 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2147 Update step in case of interleaving.
2148 (vect_strided_store_supported, vect_permute_store_chain): New
2150 (vectorizable_store): Handle strided stores.
2151 (vect_strided_load_supported, vect_permute_load_chain,
2152 vect_transform_strided_load): New functions.
2153 (vectorizable_load): Handle strided loads.
2154 (vect_transform_stmt): Add argument. Handle strided stores. Check
2155 that vectorized stmt exists for patterns.
2156 (vect_gen_niters_for_prolog_loop): Update calculation for
2158 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2159 whole chain vectorization.
2160 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2161 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2162 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2163 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2164 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2166 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2168 * cse.c (enum taken): Remove PATH_AROUND.
2169 (addr_affects_sp_p, invalidate_skipped_set,
2170 invalidate_skipped_block): Remove.
2171 (cse_end_of_basic_block): Remove skip_blocks and related code.
2172 (cse_main): Don't test for flag_cse_skip_blocks.
2173 Update cse_end_of_basic_block call.
2174 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2175 code to lengthen the path if a jump was simplified.
2177 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2179 PR rtl-optimization/29924
2180 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2181 (unroll_loop_runtime_iterations): Assert that the argument passed to
2182 split_edge_and_insert is not NULL.
2183 * loop-doloop.c (add_test): Ditto.
2185 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2187 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2189 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2190 * cfgloopmanip.c (update_single_exits_after_duplication,
2191 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2192 * tree-scalar-evolution.c (get_loop_exit_condition,
2193 get_exit_conditions_rec, loop_closed_phi_def,
2194 number_of_iterations_in_loop, scev_const_prop): Ditto.
2195 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2196 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2198 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2200 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2201 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2202 slpeel_make_loop_iterate_ntimes,
2203 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2204 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2206 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2207 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2208 vect_analyze_loop_form): Ditto.
2209 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2210 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2211 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2212 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2213 vect_transform_loop): Ditto.
2214 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2215 (single_exit, set_single_exit): New functions.
2216 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2217 (single_exit, set_single_exit): Declare.
2218 * doc/loop.texi: Undocument single_exit field. Document single_exit
2221 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2223 PR tree-optimization/29902
2224 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2225 any involved ssa name appears in abnormal phi node.
2227 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2229 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2230 (xtensa_const_ok_for_letter_p): Delete.
2231 (xtensa_extra_constraint): Delete.
2232 (override_options): Delete xtensa_char_to_class initialization.
2233 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2234 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2235 (EXTRA_CONSTRAINT): Delete.
2236 * config/xtensa/xtensa.md: Include constraints.md.
2237 (call_internal): Combine alternatives.
2238 (call_value_internal): Likewise, and remove invalid constraints.
2239 * config/xtensa/constraints.md: New file.
2240 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2241 (xtensa_extra_constraint): Delete.
2242 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2245 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2247 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2248 of conversion that doesn't fit.
2250 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2251 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2252 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2254 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2256 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2258 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2260 2006-11-21 Richard Guenther <rguenther@suse.de>
2262 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2263 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2264 vect_recog_pow_pattern.
2265 (vect_recog_pow_pattern): New function.
2267 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2269 * config/bfin/bfin.opt (mstack-check-l1): New.
2270 * doc/invoke.texi (Blackfin Options): Document it.
2271 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2272 stack bounds in L1 memory if the new option is enabled.
2273 (override_options): Don't allow combinations of -fstack-limit and
2275 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2278 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2280 (bfin_register_move_cost): Bump costs if trying to move plain
2281 integer values through accumulators.
2283 2006-11-21 Ben Elliston <bje@au.ibm.com>
2285 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2287 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2288 Russell Olsen <Russell_Olsen@playstation.sony.com>
2289 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2290 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2291 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2292 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2293 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2295 * config.gcc: Add target for SPU.
2296 * config/spu/constraints.md: New file.
2297 * config/spu/crt0.c: New file.
2298 * config/spu/crtend.c: New file.
2299 * config/spu/crti.asm: New file.
2300 * config/spu/crtn.asm: New file.
2301 * config/spu/float_unsdidf.c: New file.
2302 * config/spu/float_unssidf.c: New file.
2303 * config/spu/predicates.md: New file.
2304 * config/spu/spu-builtins.def: New file.
2305 * config/spu/spu-builtins.h: New file.
2306 * config/spu/spu-builtins.md: New file.
2307 * config/spu/spu-c.c: New file.
2308 * config/spu/spu-elf.h: New file.
2309 * config/spu/spu-modes.def: New file.
2310 * config/spu/spu-protos.h: New file.
2311 * config/spu/spu.c: New file.
2312 * config/spu/spu.h: New file.
2313 * config/spu/spu.md: New file.
2314 * config/spu/spu.opt: New file.
2315 * config/spu/spu_internals.h: New file.
2316 * config/spu/spu_intrinsics.h: New file.
2317 * config/spu/spu_mfcio.h: New file.
2318 * config/spu/t-spu-elf: New file.
2319 * config/spu/vec_types.h: New file.
2320 * config/spu/vmx2spu.h: New file.
2321 * doc/contrib.texi: Document SPU contributor.
2322 * doc/extend.texi: Document SPU extensions.
2323 * doc/invoke.texi: Document SPU options.
2324 * doc/md.texi: Document SPU constraints.
2326 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2328 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2330 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2332 (flow_loop_dump): Do not dump loop level.
2333 (flow_loops_find): Do not call flow_loops_level_compute.
2334 * cfgloop.h (struct loop): Remove level field.
2336 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2338 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2339 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2340 Use vector of edges instead of array.
2341 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2342 estimate_numbers_of_iterations_loop): Ditto.
2343 * predict.c (predict_loops): Ditto.
2344 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2345 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2347 * basic-block.h: Declare heap allocation for edge vectors.
2348 * tree-outof-ssa.c: Ditto.
2349 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2350 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2352 2006-11-20 Zack Weinberg <zackw@panix.com>
2354 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2355 Add another out parameter, "skip".
2356 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2357 is tagged "skip", do not mark its type used.
2359 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2362 * tree-sra.c (single_scalar_field_in_record_p): New function.
2363 (decide_block_copy): Use it.
2365 2006-11-20 David Daney <ddaney@avtrex.com>
2367 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2368 PC to point to following instruction.
2370 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2374 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2376 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2378 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2380 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2381 Add sh/superh.h to tm_file.
2383 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2384 Mark Mitchell <mark@codesourcery.com>
2386 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2388 (cpp_relocated): New function.
2389 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2391 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2392 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2393 replace configured prefix with gcc_exec_prefix.
2395 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2397 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2398 bfin_legitimate_constant_p.
2399 * config/bfin/bfin.md (movsi expander): Check return value of
2401 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2402 (expand_move): Adjust prototype.
2403 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2404 invalid constants specially.
2405 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2407 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2409 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2410 sibcall_value_symbol): Allow these patterns if
2411 TARGET_LEAF_ID_SHARED_LIBRARY.
2412 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2413 (override_options): Turn on id shared library flags if -msep-data,
2414 but disallow the combination of these options on the command line.
2415 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2416 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2417 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2418 -mid-shared-library.
2419 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2420 * doc/invoke.texi (Blackfin Options): Document new switches.
2422 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2423 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2425 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2426 inflate costs for addresses with an out-of-bounds address.
2428 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2431 * fwprop.c (loops): Remove.
2432 (forward_propagate_into): Use current_loops instead of
2434 (fwprop_init): Call loop_optimizer_init instead of
2436 (fwprop_done): Call loop_optimizer_finalize instead of
2438 (fwprop): Use current_loops instead of loops.
2440 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2443 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2445 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2448 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2449 larger than BITS_PER_WORD.
2451 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2455 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2456 to MAX_FIXED_MODE_SIZE.
2458 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2460 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2461 (fold_builtin_fmin_fmax): New.
2462 (fold_builtin_1): Use it.
2464 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2466 2006-11-18 Richard Guenther <rguenther@suse.de>
2468 * config/i386/i386.c (ix86_builtins): New array for ix86
2469 builtin function decls.
2470 (def_builtin): New function.
2471 (def_builtin_const): Likewise.
2472 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2474 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2476 * doc/invoke.texi (core2): Add item.
2478 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2480 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2481 (TARGET_CPU_DEFAULT_generic): Change value.
2482 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2483 (processor_type): Add new constant PROCESSOR_CORE2.
2485 * config/i386/i386.md (cpu): Add core2.
2487 * config/i386/i386.c (core2_cost): New initialized variable.
2488 (m_CORE2): New macro.
2489 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2490 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2491 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2492 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2493 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2494 x86_accumulate_outgoing_args, x86_prologue_using_move,
2495 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2496 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2497 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2498 x86_pad_returns): Add m_CORE2.
2499 (override_options): Add entries for Core2.
2500 (ix86_issue_rate): Add case for Core2.
2502 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2504 * doc/invoke.texi: Fix mno-isel typo.
2506 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2508 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2509 easy vector constant loads.
2511 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2513 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2514 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2515 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2516 * config/rs6000/sync.md (lwsync): Emit plain sync if
2519 2006-11-17 DJ Delorie <dj@redhat.com>
2521 * reload1.c (reloads_unique_chain): New.
2522 (reloads_conflict): Call it.
2524 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2526 * config/xtensa/predicates.md (addsubx_operand): New.
2527 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2528 (xtensa_emit_bit_branch): New.
2529 (xtensa_emit_movcc): New.
2530 * config/xtensa/xtensa.md (any_minmax): New code macro.
2531 (minmax): New code attribute.
2532 (any_cond, any_scc, any_scc_sf): New code macros.
2533 (*addx2, *addx4, *addx8): Delete.
2535 (*subx2, *subx4, *subx8): Delete.
2537 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2538 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2539 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2540 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2541 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2542 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2543 (movsfcc_internal0, movsfcc_internal1): Likewise.
2544 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2545 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2546 (xtensa_emit_bit_branch): New.
2547 (xtensa_emit_movcc): New.
2548 (function_arg_boundary): Add missing prototype.
2550 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2552 * config/xtensa/xtensa.md (tstsi): Delete
2554 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2556 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2558 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2560 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2562 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2564 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2566 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2568 * tree-vrp.c (execute_vrp): Do not update current_loops.
2569 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2570 * doc/loop.texi: Remove documentation for cancelled functions.
2571 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2572 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2574 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2575 (remove_path): Ensure that in delete_basic_blocks, the loops
2576 are still allocated.
2577 (add_loop): Work on valid loop structures.
2578 (loopify): Modify call of add_loop.
2579 (mfb_update_loops): Removed.
2580 (create_preheader): Do not update loops explicitly.
2581 (force_single_succ_latches, loop_version): Do not use
2582 loop_split_edge_with.
2583 (loop_split_edge_with): Removed.
2584 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2585 Do not use bsi_insert_on_edge_immediate_loop.
2586 (split_loop_exit_edge, tree_unroll_loop): Do not use
2587 loop_split_edge_with.
2588 (bsi_insert_on_edge_immediate_loop): Removed.
2589 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2590 use loop_split_edge_with.
2591 * cfghooks.c: Include cfgloop.h.
2592 (verify_flow_info): Verify that loop_father is filled iff current_loops
2594 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2595 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2597 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2599 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2600 loop_split_edge_with.
2601 (sms_schedule): Use current_loops.
2602 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2603 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2605 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2606 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2607 * ifcvt.c (if_convert): Ditto.
2608 * predict.c (predict_loops): Do not clear current_loops.
2609 (tree_estimate_probability): Use current_loops.
2610 (propagate_freq): Receive head of the region to propagate instead of
2612 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2613 (estimate_loops): New function. Handle case current_loops == NULL.
2614 (estimate_bb_frequencies): Do not allocate tovisit. Use
2616 * tree-ssa-loop.c (current_loops): Removed.
2617 (tree_loop_optimizer_init): Do not return loops.
2618 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2619 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2620 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2621 Do not update loops explicitly.
2622 * function.h (struct function): Add x_current_loops field.
2623 (current_loops): New macro.
2624 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2625 * loop-unroll.c (split_edge_and_insert): New function.
2626 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2627 use loop_split_edge_with.
2628 * loop-doloop.c (add_test, doloop_modify): Ditto.
2629 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2630 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2631 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2632 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2634 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2635 (flow_loops_free): Do not free dfs_order and rc_order.
2636 (flow_loops_find): Do not set dfs_order and rc_order in loops
2637 structure. Do not call loops and flow info verification.
2638 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2639 already belongs to some loop.
2640 * cfgloop.h (struct loops): Remove struct cfg.
2641 (current_loops, loop_split_edge_with): Declaration removed.
2642 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2643 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2644 Declaration removed.
2645 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2646 * basic-block.h (split_edge_and_insert): Declare.
2647 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2649 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2651 PR tree-optimization/29801
2652 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2653 (get_default_value): Use get_symbol_constant_value.
2654 (set_lattice_value): ICE when the value of the constant is
2656 (visit_assignment): Ignore VDEFs of read-only variables.
2658 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2660 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2662 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2663 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2665 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2667 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2668 select subvars of var.
2670 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2673 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2674 optimize if DEF doesn't have integral type.
2676 2006-11-16 Mike Stump <mrs@apple.com>
2678 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2679 pre-darwin9 system, unless the user asks for it directly.
2680 (PREFERRED_DEBUGGING_TYPE): Likewise.
2681 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2682 * config.gcc: Add suppport for darwin9.h.
2683 * config/darwin9.h: Add.
2684 * doc/install.texi (Specific): Clarify darwin documentation.
2686 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2688 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2689 optimizing for size.
2691 2006-11-16 Mike Stump <mrs@apple.com>
2693 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2695 2006-11-16 Dirk Mueller <dmueller@suse.de>
2697 * tree-vrp.c (get_value_range): Use XCNEW instead
2699 (insert_range_assertions): Use XCNEWVEC instead
2700 of XNEWVEC and memset.
2701 (vrp_initialize): Same.
2702 (vrp_finalize): Same.
2703 * tree-ssa-ccp.c (ccp_initialize): Same.
2704 * predict.c (tree_bb_level_predictions): Same.
2705 * calls.c (expand_call): Same.
2706 * tree-ssa-copy.c (init_copy_prop): Same.
2707 (fini_copy_prop): Same.
2708 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2709 of GGC_NEW and memset.
2711 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2714 * gimplify.c (gimplify_expr): Only force a load for references to
2715 non-BLKmode volatile values.
2716 * doc/implement-c.texi (Qualifiers implementation): Document the
2717 interpretation of what a volatile access is.
2718 * doc/extend.texi (C++ Extensions): Rework same documentation.
2720 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2722 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2725 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2727 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2729 (arm_neg_abssi2): Renamed from neg_abssi2.
2730 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2732 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2734 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2735 number of arguments passed to local functions in SSE registers is 3.
2737 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2738 number of arguments passed in SSE registers to 3.
2740 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2743 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2745 (get_last_bb_insn): ... new global function.
2746 (basic_block.h): Declare it.
2747 * haifa-sched.c (create_recovery_block): Use it.
2749 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2752 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2754 2006-11-15 Paul Brook <paul@codesourcery.com>
2756 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2757 _Unwind_GetTextRelBase): Move from here ...
2758 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2759 _Unwind_GetTextRelBase): ... To here.
2761 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2763 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2764 addresses we generate for testing are aligned.
2766 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2769 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2770 to what is the const decl is a place holder for.
2772 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2774 * config/i386/i386.opt: New target option -mx87regparm.
2776 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2777 and float_in_x87 variables. mmx_words, sse_words: Remove.
2778 (X87_REGPARM_MAX): Define.
2780 * config/i386/i386.c (override_options): Error out for
2781 -mx87regparm but no 80387 support.
2782 (ix86_attribute_table): Add x87regparm.
2783 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2784 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2785 (ix86_function_x87regparm): New function.
2786 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2788 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2790 (function_arg_advance): Process x87_nregs and x87_regno when
2791 floating point argument is to be passed in 80387 register.
2792 (function_arg): Pass XFmode arguments in 80387 registers for local
2793 functions. Pass SFmode and DFmode arguments to local functions
2794 in 80387 registers when flag_unsafe_math_optimizations is set.
2796 * reg-stack.c (convert_regs_entry): Disable NaN load for
2797 stack registers that are used for argument passing.
2799 * doc/extend.texi: Document x87regparm function attribute.
2800 * doc/invoke.texi: Document -mx87regparm.
2802 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2804 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2805 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2806 arg MODE; all callers changed. Use it to determine validity per
2807 machine mode instead of using Pmode for all memory references.
2808 (get_address_cost): Likewise add and use new arg MEM_MODE.
2810 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2811 J"orn Rennecke <joern.rennecke@st.com>
2813 * combine.c (likely_spilled_retval_1): Fix masking operation.
2814 (likely_spilled_retval_p): Use proper pattern for call to
2815 likely_spilled_retval_1.
2817 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2819 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2821 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2822 that tests for CONSTANT_POOL_ADDRESS_P.
2824 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2826 PR tree-optimization/29581
2827 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2828 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2829 type is different between Y and USE, create a temporary
2830 variable, initialize it at the beginning of the body bb
2831 and use it as replacement instead of Y.
2833 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2836 * gimplify.c (fold_indirect_ref_rhs): Use
2837 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2839 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2841 * expmed.c (emit_store_flag_1): New function.
2842 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2844 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2845 Use do_compare_rtx_and_jump.
2846 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2847 * arm.md (cstoresi4): New define_expand.
2848 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2849 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2850 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2852 2006-11-14 Caroline Tice <ctice@apple.com>
2854 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2855 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2857 (pubname_table): Redefine as a vector.
2858 (pubtype_table): New static global variable, defined as a vector.
2859 (pubname_table_allocated): Remove static global variable.
2860 (pubname_table_in_use): Remove static global variable.
2861 (PUBNAME_TABLE_INCREMENT): Remove constant.
2862 (size_of_pubnames): Add parameter to deal with either pubnames or
2863 pubtypes, and change code to deal with table being a vector.
2864 (add_pubname): Change to deal with table being a vector.
2865 (add_pubtype): New function.
2866 (output_pubnames): Add parameter to deal with either pubnames or
2867 pubtypes, and change code to deal with table being a vector.
2868 (gen_array_type_die): Add call to add_pubtype.
2869 (gen_enumeration_type_die): Add call to add_pubtype.
2870 (gen_struct_or_union_type_die): Add call to add_pubtype.
2871 (gen_subroutine_type_die): Add call to add_pubtype.
2872 (gen_typedef_die): Add call to add_pubtype.
2873 (dwarf2out_init): Add code to initialize pubname_table and
2874 pubtype_table vectors; also initialize debug_pubtypes_section.
2875 (prune_unused_types): Change to deal with pubnames being a vector.
2876 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2877 pubnames table to call to output_pubnames; Add code to output pubtypes
2878 table if DEBUG_PUBTYPES_SECTION is defined.
2879 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2881 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2883 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2885 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2886 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2887 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2888 movv2si_internal): Support moves between core registers.
2890 2006-11-14 Eric Christopher <echristo@apple.com>
2892 * configure: Regenerate with autoconf 2.59.
2894 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2896 Fix PR tree-optimization/27755
2898 * tree-ssa-pre.c: Update comments.
2899 (bb_bitmap_sets): Add pa_in and deferred member.
2900 (BB_DEFERRED): New macro.
2901 (maximal_set): New variable.
2902 (pre_stats): Add pa_insert member.
2903 (bitmap_set_and): Short circuit orig == dest.
2904 (bitmap_set_subtract_values): New function.
2905 (bitmap_set_contains_expr): Ditto.
2906 (translate_vuses_through_block): Add phiblock argument.
2907 (dependent_clean): New function.
2908 (compute_antic_aux): Update for maximal_set changes.
2909 (compute_partial_antic_aux): New function.
2910 (compute_antic): Handle partial anticipation.
2911 (do_partial_partial_insertion): New function.
2912 (insert_aux): Handle partial anticipation.
2913 (add_to_sets): Add to maximal set.
2914 (compute_avail): Ditto.
2915 (init_pre): Initialize maximal_set.
2916 (execute_pre): Do partial anticipation if -O3+.
2918 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2920 PR rtl-optimization/29798
2922 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2923 TARGET_INSN before any other check.
2924 (fwprop_init): Always calculate dominators.
2925 (fwprop_done): Always free them.
2927 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2932 2006-11-13 DJ Delorie <dj@redhat.com>
2934 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2935 temporary for intermediates.
2937 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2939 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2940 (sh_optimize_target_register_callee_saved): #if 0 the code
2941 using NOTE_INSN_LOOP_{BEG,END}.
2943 2006-11-13 Roger Sayle <roger@eyesopen.com>
2945 * fold-const.c (optimize_bit_field_compare): Recursively call
2946 fold when simplifying non-constant comparisons between bit-fields.
2948 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2950 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2952 * configure: Rebuilt.
2954 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2956 * config/rs6000/cell.md: New file.
2957 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2959 (ppccell_cost): New cost matrix.
2960 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2961 (rs6000_override_options): Set rs6000_always_hint to false
2962 for cell. Also align functions/lables/loops to 8byte
2963 for the Cell. Use PROCESSOR_CELL.
2964 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2965 using_mtcr_multiple.
2966 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2967 on the Cell, return 0.
2968 (rs6000_adjust_cost): Add Cell cost adjustments.
2969 (is_microcoded_insn): Return true for Cell microcoded
2971 (is_nonpipeline_insn): New function.
2972 (rs6000_issue_rate): Add PROCESSOR_CELL.
2973 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2975 (rs6000_use_sched_lookahead_guard): New function.
2976 (rs6000_sched_reorder): Reorder the ready list, if the second
2977 to last ready insn is a nonepipeline insn on the Cell.
2978 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2979 (ASM_CPU_SPEC): Add Cell.
2980 * config/rs6000/rs6000.md (cpu): Add Cell.
2981 (cell_micro): New Attr.
2984 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2986 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2988 * configure: Rebuilt.
2990 2006-11-13 Richard Guenther <rguenther@suse.de>
2992 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2994 (ix86_expand_lfloorceil): Likewise.
2995 (ix86_expand_rint): Likewise.
2996 (ix86_expand_floorceildf_32): Likewise.
2997 (ix86_expand_floorceil): Likewise.
2998 (ix86_expand_rounddf_32): Likewise.
2999 (ix86_expand_truncdf_32): Likewise.
3000 (ix86_expand_round): Likewise.
3002 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3003 Mark Mitchell <mark@codesourcery.com>
3005 * gcc.c: Organize search path variables into $prefix relative,
3006 and well-known native. Add comments.
3007 (add_sysrooted_prefix): Add comment.
3008 (process_command): If !gcc_exec_prefix add $prefix based paths.
3009 If *cross_compile == '0', add native well-known paths.
3010 Assert tooldir_base_prefix is always relative.
3011 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3012 use this value for 'install:' path.
3013 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3015 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3017 * config/i386/i386.c: Fix a typo in comment.
3019 2006-11-13 Michael Matz <matz@suse.de>
3021 * genemit.c (gen_expand): Allocate enough memory.
3023 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3025 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3026 __GXX_TYPEINFO_EQUALITY_INLINE but not
3027 __GXX_MERGED_TYPEINFO_NAMES.
3028 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3029 __GXX_MERGED_TYPEINFO_NAMES.
3030 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3031 __GXX_TYPEINFO_EQUALITY_INLINE.
3033 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3034 Zdenek Dvorak <dvorakz@suse.cz>
3036 PR tree-optimization/29680
3037 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3040 2006-11-12 Jason Merrill <jason@redhat.com>
3041 Andrew Pinski <pinskia@physics.uc.edu>
3044 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3046 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3048 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3049 * tree.c (build_vector): Handle non-_CST elements.
3051 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3053 * genemit.c (gen_insn): Call gen_exp with a non-null used
3054 when handling multiple insns.
3055 (gen_expand): Likewise.
3056 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3057 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3058 (movsi_const_16bit+1): Copy operands[1].
3059 (call_pcrel): Copy the call_site pattern.
3060 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3062 2006-11-12 Roger Sayle <roger@eyesopen.com>
3064 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3065 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3066 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3067 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3069 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3071 Fix PR tree-optimization/29587
3072 * tree-ssa-structalias.c (process_constraint): Don't
3073 mark address taken due only to escaped vars constraint.
3075 2006-11-12 Michael Matz <matz@suse.de>
3076 Roger Sayle <roger@eyesopen.com>
3078 PR rtl-optimization/29797
3079 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3080 BITS_BIG_ENDIAN targets.
3082 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * builtins.c (fold_builtin_cosh): New.
3085 (fold_builtin_1): Use it.
3086 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3087 trunc to the list of "odd" functions. Also add llrint, lrint,
3088 rint and nearbyint when flag_rounding_math is false.
3090 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3092 * tree-flow.h (name_mappings_registered_p): Declare.
3093 * tree-into-ssa.c (name_mappings_registered_p): New function.
3094 * tree-cfg.c (tree_can_merge_blocks_p): Check
3095 name_mappings_registered_p instead of need_ssa_update_p.
3097 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3099 * tree-ssa-loop.c (tree_vectorize): Return the result of
3101 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3102 if anything changed.
3103 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3104 * tree-flow.h (vectorize_loops): Declaration changed.
3106 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3108 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3110 (issue_prefetch_ref): Move assignment to write_p out of loop.
3111 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3112 SIMULTANEOUS_PREFETCHES into account.
3113 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3114 * lambda-code.c (lcm): Renamed to ...
3115 (least_common_multiple): ... and exported.
3116 * tree-flow.h (least_common_multiple): Declare.
3118 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3120 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3121 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3122 ud-chains. Handle AND_EXPR.
3123 (record_estimate): Record whether the estimate is realistic
3124 and whether it is derived from a loop exit.
3125 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3126 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3128 (compute_estimated_nb_iterations): Take only realistic bounds into
3129 account. Set estimate_state. Use double_ints.
3130 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3131 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3132 that do not have to be always executed.
3133 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3134 to determine whether to call infer_loop_bounds_from_undefined
3135 and compute_estimated_nb_iterations.
3136 (n_of_executions_at_most): Use double_ints.
3137 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3138 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3139 * double-int.c (double_int_to_tree): Improve comment.
3140 (double_int_fits_to_tree_p): New function.
3141 * double-int.h (double_int_fits_to_tree_p): Declare.
3142 * tree-data-ref.c: Include langhooks.h.
3143 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3144 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3145 (analyze_array): Do not pass estimate_only argument to
3146 analyze_array_indexes.
3147 (get_number_of_iters_for_loop): Build tree from the stored double_int
3149 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3150 (find_data_references_in_loop): Use find_data_references_in_stmt.
3151 * tree-data-ref.h (struct data_ref_loc_d): New.
3152 (get_references_in_stmt): Declare.
3153 (estimate_iters_using_array): Declaration removed.
3154 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3155 double_int. Improve comments. Add is_exit and realistic
3157 (struct loop): Changed type of estimated_nb_iterations to double_int.
3158 Added estimate_state field.
3159 (record_estimate): Declaration removed.
3161 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3163 * params.c (set_param_value): Initialize the "set" field.
3164 * params.h (struct param_info): Add "set" field.
3165 (PARAM_SET_P): New macro.
3166 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3167 L1_CACHE_LINE_SIZE): New macros.
3168 * toplev.c (DEFPARAM): Initialize the "set" field.
3169 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3170 SIMULTANEOUS_PREFETCHES): Removed.
3171 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3172 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3173 * config/sparc/sparc.c: Include params.h.
3174 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3175 L1_CACHE_LINE_SIZE parameters.
3176 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3178 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3180 * config/i386/i386.c: Include params.h.
3181 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3182 (override_options): Set SIMULTANEOUS_PREFETCHES and
3183 L1_CACHE_LINE_SIZE parameters.
3184 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3185 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3186 L1_CACHE_LINE_SIZE parameters.
3187 * config/ia64/ia64.c (ia64_optimization_options): Set
3188 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3189 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3191 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3192 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3193 * doc/invoke.texi: Document new params.
3195 2006-11-12 Roger Sayle <roger@eyesopen.com>
3197 PR tree-optimization/13827
3198 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3201 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3203 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3204 update_single_exit_for_duplicated_loops): New functions.
3205 (duplicate_loop_to_header_edge): Use
3206 update_single_exit_for_duplicated_loops.
3207 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3208 functions only with ENABLE_CHECKING.
3210 2006-11-12 Andreas Schwab <schwab@suse.de>
3212 * except.c (sjlj_emit_function_enter): Remove unused variable.
3214 2006-11-11 Roger Sayle <roger@eyesopen.com>
3216 * fold-const.c (int_binop_types_match_p): New function.
3217 (size_binop): Relax constraint that both arguments must both have
3218 exactly the same sizetype type. Instead use int_binop_types_match_p.
3219 (size_diffop): Likewise.
3221 (make_range): Use build_int_cst instead of fold_convert.
3222 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3223 integer constants of the correct type.
3224 (fold_div_compare): Likewise.
3225 (fold_single_bit_test): Likewise.
3226 (fold_binary): Likewise.
3227 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3228 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3230 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3233 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3234 non null value if the struct memory access is in the 0th
3237 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3240 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3241 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3244 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3245 instead of builtin_define for bfin and BFIN.
3247 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3249 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3252 2006-11-11 Jan Hubicka <jh@suse.cz>
3254 * extend.texi (__builtin_expect): We no longer require second argument
3256 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3257 * builtins.c (expand_builtin_expect): Simplify.
3258 (expand_builtin_expect_jump): Kill.
3259 * final.c (final_scan_insn): Do not skip the removed notes.
3260 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3261 EXPECTED_VALUE): Remove.
3262 * dojump.c (do_jump): Do not care about __builtin_expect.
3263 * predict.c (expected_value_to_br_prob): Kill.
3264 * function.c (expand_function_end): Do not expand
3265 NOTE_INSN_REPEATED_LINE_NUMBER.
3266 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3267 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3268 * cfgexpand.c (add_reg_br_prob_note): Export.
3269 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3270 expected_value_to_br_prob.
3271 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3272 * rtl.h (add_reg_br_prob_note): Declare.
3274 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3278 2006-11-11 Jan Hubicka <jh@suse.cz>
3280 * predict.c (predict_loops): Kill RTL variant.
3282 2006-11-11 Jan Hubicka <jh@suse.cz>
3284 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3285 * modulo-sched.c (find_line_note): Remove.
3286 (loop_canon_p): Do not worry about line number notes.
3287 (sms_schedule): Likewise.
3288 * cse.c (cse_main): Likewise.
3289 * regmove.c (fixup_match_1): Likewise
3290 * function.c (emit_return_info_block): Likewise.
3291 (expand_function_end): Likewise.
3292 (thread_prologue_an_epilogue_insns): Likewise.
3293 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3295 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3296 emit_note_copy_after): Kill.
3297 (emit_note_copy): Do not worry about line numbers.
3298 * jump.c (purge_line_number_notes): Kill.
3299 (pass_purge_lineno_notes): Kill.
3300 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3302 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3303 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3304 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3305 * tree-pass.h (pass_purge_lineno_notes): Kill.
3306 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3307 rm_redundant_line_notes.
3308 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3309 rm_redundant_line_notes.
3310 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3311 * haifa-sched.c: Update comment about handling notes.
3312 (unlink_line_notes): Kill.
3313 (rm_line_notes): Kill.
3314 (save_line_notes): Simplify.
3315 (rm_redundant_line_notes): Kill.
3317 2006-11-11 Richard Guenther <rguenther@suse.de>
3319 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3320 Remove unused tree codes.
3321 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3322 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3323 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3324 * tree.c (stabilize_reference): Likewise.
3325 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3326 fold_unary): Likewise.
3327 * tree-gimple.c (is_gimple_cast): Likewise.
3328 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3329 * expr.c (expand_expr_real_1): Likewise.
3330 * tree-eh.c (tree_could_trap_p): Likewise.
3331 * gimplify.c (gimplify_expr): Likewise.
3332 * tree-inline.c (estimate_num_insns_1): Likewise.
3333 * tree-cfg.c (verify_expr): Likewise.
3335 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3337 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3338 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3339 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3341 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3344 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3345 constraints accept neither registers or memories.
3347 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3349 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3350 (NO_PROFILE_COUNTERS): Define as 1.
3352 2006-11-10 Roger Sayle <roger@eyesopen.com>
3354 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3355 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3357 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3359 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3361 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3363 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3364 (fold_builtin_hypot): Likewise.
3365 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3367 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3369 2006-11-10 Roger Sayle <roger@eyesopen.com>
3371 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3372 when attempting to build INTEGER_CSTs of non-integral types.
3373 * expmed.c (make_tree): Use the correct type, i.e. the inner
3374 type, when constructing the individual elements of a CONST_VECTOR.
3376 2006-11-10 Jan Hubicka <jh@suse.cz>
3378 * cse.c (cse_process_notes): Copy the propagated value.
3379 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3381 * gcse.c (try_replace_reg): Copy the replacement.
3382 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3383 (assign_386_stack_local): Always return copied memory expression
3384 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3387 2006-11-10 Jan Hubicka <jh@suse.cz>
3389 * final.c (final): Walk from first instruction.
3390 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3392 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3395 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3397 (umulv8hi3_highpart): Ditto.
3398 (vec_widen_smult_hi_v8hi): New expander.
3399 (vec_widen_smult_lo_v8hi): Ditto.
3401 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3404 * builtins.c (do_mpfr_arg3): New.
3405 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3407 2006-11-09 Eric Christopher <echristo@apple.com>
3412 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3413 * config.gcc (powerpc64-*-darwin*): New target.
3414 * config.host: Ditto.
3415 * config/rs6000/darwin64.h: New file.
3416 * config/rs6000/x-darwin64: Ditto.
3417 * config/rs6000/host-ppc64-darwin.c: Ditto.
3419 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3421 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3422 routines for integer division.
3424 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3426 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3428 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3431 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3433 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3435 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3436 simplify_subreg with BLKmode outer mode.
3438 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3440 * doc/invoke.texi: Minor formatting fixes in option lists.
3442 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3444 PR tree-optimization/29738
3445 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3446 (ccp_lattice_t): Remove UNKNOWN_VAL.
3447 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3448 Do not handle UNKNOWN_VAL.
3449 (get_default_value): Set initial value of virtual operands to
3451 (get_value): Always use get_default_value on uninitialized
3453 (set_value_varying, surely_varying_stmt_p): New functions.
3454 (set_lattice_value): Do not pass argument to get_value.
3455 Do not handle UNKNOWN_VAL.
3456 (likely_value): Follow the semantics described in the comment.
3457 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3458 phi nodes DONT_SIMULATE_AGAIN.
3459 (ccp_fold): Do not pass argument to get_value.
3460 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3463 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3465 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3466 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3468 2006-11-08 Roger Sayle <roger@eyesopen.com>
3470 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3471 test for inclusion rather than as a test for exclusion.
3472 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3473 the condition after calling fold_binary.
3474 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3475 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3476 * builtins.c (fold_builtin_isascii): Likewise.
3477 (fold_builtin_isdigit): Likewise.
3479 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3481 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3482 * configure: Regenerate.
3484 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3486 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3487 enum argument instead of bool.
3488 (vect_analyze_operations): Call vectorizable_type_promotion.
3489 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3490 stmt_vec_info_type value.
3491 (supportable_widening_operation, vectorizable_type_promotion): New
3492 function declarations.
3493 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3494 (vectorizable_type_promotion): New function.
3495 (vect_transform_stmt): Call vectorizable_type_promotion.
3496 * tree-vect-analyze.c (supportable_widening_operation): New function.
3497 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3499 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3502 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3503 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3504 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3506 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3507 * expr.c (expand_expr_real_1): Likewise.
3508 * optabs.c (optab_for_tree_code): Likewise.
3509 (init_optabs): Initialize new optabs.
3510 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3511 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3512 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3513 vec_unpacku_lo_optab): Initialize new optabs.
3514 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3515 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3516 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3518 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3519 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3520 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3521 (vec_unpacku_lo_optab): New optabs.
3522 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3523 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3524 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3525 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3526 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3527 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3529 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3530 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3531 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3532 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3533 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3534 implement the unsigned unpacking patterns.
3535 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3536 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3537 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3538 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3539 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3540 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3541 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3542 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3543 multiplication patterns.
3545 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3546 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3547 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3548 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3549 (rs6000_builtin_mul_widen_odd): New.
3550 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3551 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3552 * tree-vectorizer.h (enum vect_relevant): New enum type.
3553 (_stmt_vec_info): Field relevant chaned from bool to enum
3555 (STMT_VINFO_RELEVANT_P): Updated.
3556 (STMT_VINFO_RELEVANT): New.
3557 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3558 instead of STMT_VINFO_RELEVANT_P.
3559 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3560 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3561 and boolean variable with enum vect_relevant.
3562 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3563 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3564 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3566 2006-11-08 Richard Henderson <rth@redhat.com>
3568 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3569 vec_widen_umult_lo_v8hi): New.
3570 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3571 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3573 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3574 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3575 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3576 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3577 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3578 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3579 vec_unpacks_lo_v4si): New.
3581 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3583 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3584 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3585 (vect_analyze_operations): Call vectorizable_type_demotion.
3586 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3587 stmt_vec_info_type value.
3588 (vectorizable_type_demotion): New function declaration.
3589 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3592 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3593 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3595 * tree-iniline.c (estimate_num_insns_1): Likewise.
3596 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3597 * optabs.c (optab_for_tree_code): Likewise.
3599 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3600 compared against the predicate of the result is not 'mode' (the input
3601 to the function) but a mode with half the size of 'mode'.
3602 (init_optab): Initialize new optabs.
3603 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3605 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3607 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3608 (vec_pack_usat_optab): Initialize new optabs.
3609 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3610 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3612 2006-11-08 Richard Henderson <rth@redehat.com>
3614 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3615 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3616 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3617 (vec_interleave_highv4si, vec_interleave_lowv4si):
3618 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3620 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3622 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3624 (vect_transform_stmt): Removed redundant code.
3626 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3628 * tree-vect-transform.c (vectorizable_operation): Support multiple
3631 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3633 * tree-vect-transform.c (vect_align_data_ref): Removed.
3634 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3635 Updated function documentation. Return the increment stmt in ptr_incr.
3636 (bump_vector_ptr): New function.
3637 (vect_get_vec_def_for_stmt_copy): New function.
3638 (vect_finish_stmt_generation): Create a stmt_info to newly created
3640 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3642 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3643 VF is greater than the number of elements that can fit in one vector
3645 (vectorizable_operation, vectorizable_condition): Likewise.
3646 (vectorizable_store, vectorizable_load): Support the case that the VF
3647 is greater than the number of elements that can fit in one vector word.
3648 (vect_transform_loop): Don't fail in case of multiple data-types.
3649 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3650 in case of multiple data-types; the smallest type determines the VF.
3651 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3652 if they are of different sizes.
3653 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3654 number of elements rather than number of bytes.
3655 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3656 (vect_can_advance_ivs_p): Fix a dump printout
3658 2006-11-07 Eric Christopher <echristo@apple.com>
3660 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3661 (__bswapsi2): Ditto.
3662 * libgcc2.h: Remove transformation of bswap routines.
3663 * config/i386/i386.md (bswapsi2): New.
3666 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3668 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3669 (handle_gnu_inline_attribute): New function.
3670 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3671 (merge_decls, start_decl, start_function): Likewise.
3672 * doc/extend.texi: Document gnu_inline attribute.
3674 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3677 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3678 _fixunstfdi, and _floatditf
3680 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3682 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3684 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3685 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3686 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3687 which start in an odd register.
3689 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3691 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3693 2006-11-07 Josh Conner <jconner@apple.com>
3695 * doc/invoke.texi (fstrict-aliasing): Move implementation
3697 * doc/tree-ssa.texi (Alias analysis): ...here.
3699 2006-11-07 Richard Guenther <rguenther@suse.de>
3701 PR tree-optimization/29610
3702 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3703 of tree_purge_dead_eh_edges as it may free dominators.
3705 * g++.dg/other/pr29610.C: New testcase.
3707 2006-11-07 David Ung <davidu@mips.com>
3709 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3710 costs when optimizing for size.
3711 (override_options): Use mips_rtx_cost_optimize_size table for cost
3714 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3716 * gcc.c (process_command): Treat -b as normal switch if its argument
3719 2006-11-07 David Ung <davidu@mips.com>
3721 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3724 2006-11-06 Eric Christopher <echristo@apple.com>
3726 * config.gcc: Add x86_64-darwin host support.
3727 * config.host: Ditto.
3728 * config/i386/darwin64.h: New file.
3729 * config/i386/t-darwin64: Ditto.
3731 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3733 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3734 and output-exists-not.
3736 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3739 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3740 checking for overflow.
3742 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3744 * configure.ac: Fixed typo in case statement: :: changed to ;;
3746 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3748 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3749 count_leading_zeros, and count_trailing_zeros.
3750 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3751 (TARGET_FOLD_BUILTIN): Define.
3752 (TARGET_EXPAND_BUILTIN): Define.
3753 (xtensa_init_builtins): New.
3754 (xtensa_fold_builtin): New.
3755 (xtensa_expand_builtin): New.
3756 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3757 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3758 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3759 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3760 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3761 (any_extend): New code macro.
3762 (u, su): New code attributes.
3763 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3764 (nsau): Remove; replaced by clzsi2.
3765 (ffssi2): Use clzsi2.
3766 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3767 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3768 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3769 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3770 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3772 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3774 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3776 * config/arm/t-strongarm-elf: Likewise.
3777 * config/arm/t-pe: Likewise.
3778 * config/arm/t-arm-elf: Likewise.
3779 * config/arm/t-xscale-elf: Likewise.
3780 * config/arm/t-arm-coff: Likewise.
3781 * config/arm/t-xscale-coff: Likewise.
3782 * config/arm/t-wince-pe: Likewise.
3784 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3786 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3789 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3792 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3795 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3798 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3799 as a valid 80387 constant.
3800 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3801 * config/i386/i386.md (unnamed splitter): Split the load of
3802 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3805 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3807 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3808 from the soft-frame, argument and virtual registers.
3810 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3812 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3813 patterns for standard 80387 constants.
3815 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3816 Steven Bosscher <steven@gcc.gnu.org>
3818 * fwprop.c: New file.
3819 * Makefile.in: Add fwprop.o.
3820 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3821 * passes.c (init_optimization_passes): Schedule forward propagation.
3822 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3824 * timevar.def (TV_FWPROP): New.
3825 * common.opt (-fforward-propagate): New.
3826 * opts.c (decode_options): Enable forward propagation at -O2.
3827 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3828 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3829 canon_for_address, table_size): Remove.
3830 (new_basic_block, insert, remove_from_table): Remove references to
3832 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3833 simplification loop more straightforward by not calling fold_rtx
3835 (equiv_constant): Move here a small part of fold_rtx_subreg,
3836 do not call fold_rtx. Call avoid_constant_pool_reference
3838 * recog.h (canonicalize_change_group): New.
3840 * doc/invoke.texi (Optimization Options): Document fwprop.
3841 * doc/passes.texi (RTL passes): Document fwprop.
3843 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3845 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3846 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3847 (grokdeclarator): Likewise.
3849 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3851 * tree-dump.c (dump_enable_all): Rename local variable
3852 ir_type to avoid name conflicts.
3853 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3854 instead of using ir_type().
3855 * profile.c (tree_register_profile_hooks): Likewise.
3856 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3857 * basic-block.h (struct edge_def): Likewise.
3858 * config/arm/arm.c (legitimize_pic_address): Likewise.
3859 * coretypes.h (ir_type): New enum of all intermediate languages
3861 * cfghooks.c (ir_type): Rename to...
3862 (current_ir_type): ...this. Distinguish between cfgrtl and
3863 cfglayout mode when the current IR is RTL. Return enum ir_type.
3864 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3866 2006-11-03 Paul Brook <paul@codesourcery.com>
3868 * config/arm/arm.c (arm_file_start): New function.
3869 (TARGET_ASM_FILE_START): Define.
3870 (arm_default_cpu): New variable.
3871 (arm_override_options): Set arm_default_cpu.
3873 2006-11-03 David Ung <davidu@mips.com>
3875 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3876 PROCESSOR_24KC and PROCESSOR_24KF.
3877 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3878 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3879 (mips_rtx_cost_data): Add costs for the 24kc.
3880 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3881 * config/mips/24k.md: Remove references to 24k and replace with
3882 uses of 24kc/24kf in the appropriate reservations.
3883 * doc/invoke.texi (MIPS Options): Updated.
3885 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3887 * config/sh/crt1.asm: Fix #ifdef indent.
3889 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3890 Merged from STMicroelectronics sources:
3891 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3892 * config/sh/crt1.asm (vbr_600): Add missing #if.
3893 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3894 * sh.opt (mfused-madd): New option.
3895 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3896 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3897 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3898 Remove pointless handler at VBR+0.
3899 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3900 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3901 fr7. Make sure the timer handler is called with the correct FPU
3902 precision setting, according to the ABI.
3903 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3904 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3905 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3906 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3907 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3908 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3909 zero as second operand.
3910 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3911 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3912 Fixed some bugs related to negative values, in particular -0
3913 and overflow at -0x80000000.
3914 * config/sh/divcost-analysis: Added sh4-300 figures.
3915 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3916 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3917 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3918 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3919 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3920 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3922 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3924 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3925 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3926 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3927 mac_mem, mem_mac, dfp_mul, fp_cmp.
3928 (insn_class, dfp_comp, any_fp_comp): Update.
3929 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3930 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3931 (muldf3_i): Likewise.
3932 (movsi_i): Split rI08 alternative into two separate alternatives.
3934 (movsi_ie, movsi_i_lowpart): Likewise.
3935 (movqi_i): Split ri alternative into two separate alternatives.
3937 * sh1.md (sh1_load_store, sh1_fp): Update.
3938 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3939 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3940 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3941 (sh4a_fp_double_arith): Likewise.
3942 * sh4-300.md: New file.
3943 * sh.c (sh_handle_option): Handle m4-300* options.
3944 (sh_adjust_cost): Fix latency of auto-increments.
3945 Handle SH4-300 differently than other SH4s. Check for new insn types.
3946 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3947 been set by an option.
3948 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3949 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3950 (mbranch-cost=): Likewise.
3951 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3953 * sh.md (mulsf3): Remove special expansion code.
3954 (mulsf3_ie): Now a define_insn_and_split.
3955 (macsf3): Allow for TARGET_SH4.
3957 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3958 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3959 (expand_cbranchdi4): Likewise.
3960 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3961 CONST_DOUBLE if the outer code is COMPARE.
3962 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3963 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3964 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3965 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3966 Remove redundant fp_{zero,one}_operand checks.
3967 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3968 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3969 (expand_cbranchdi4): Likewise.
3970 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3971 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3973 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3975 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3978 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3980 * doc/invoke.texi: Fix mfp-trap-mode typo.
3982 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3984 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3985 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3986 file_end_indicate_exec_stack.
3987 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3989 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3990 for a non-executable stack.
3991 * crti.asm: Likewise.
3992 * crtn.asm: Likewise.
3993 * libunwind.S: Likewise.
3995 2006-11-02 Ben Elliston <bje@au.ibm.com>
3997 * tree-ssa.c (warn_uninit): Use expand_location variables for
3998 locus and declaration locus.
4000 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4003 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4004 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4005 cmp{eq,gt,gtu}{si,di}_media.
4006 (*cmpne0si_media): Remove.
4007 (*movsicc_umin): Adjust gen_cmp*_media call.
4008 (unordered): Change the mode of unordered and operands[1] to
4010 (seq): Adjust gen_cmp*_media calls. Make the mode of
4011 a temporary result of compare SImode if needed. If the mode
4012 of operands[0] is DImode, extend the temporary result to DImode.
4013 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4014 (sunorderd): Change the mode of match_operand and unorderd to
4016 (cmpeq{sf,df}_media): Remove.
4017 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4018 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4019 and compare operation to SImode.
4021 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4023 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4025 (sparc64-sun-solaris2*): Likewise.
4027 2006-11-02 Paul Brook <paul@codesourcery.com>
4029 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4030 from priority argument. Use different section for non-default
4032 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4034 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4037 * except.c (switch_to_exception_section): Do not cache the section
4038 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4039 and flag_function_sections is set.
4041 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4044 * builtins.c (do_mpfr_sincos): New.
4045 (fold_builtin_1): Use it to fold builtin sincos.
4047 2006-11-01 Roger Sayle <roger@eyesopen.com>
4049 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4050 it into -D_REENTRANT.
4052 2006-11-01 Roger Sayle <roger@eyesopen.com>
4054 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4055 whether the assembler supports taking the difference of symbols in
4056 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4057 * configure: Regenerate.
4058 * config.in: Regenerate.
4059 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4060 the assembler doesn't support taking the difference of symbols in
4061 different sections, i.e. we're using the native solaris assembler.
4063 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4064 Peter Bergner <bergner@vnet.ibm.com>
4066 * doc/invoke.texi: Add cpu_type power6x
4067 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4068 * config.gcc: Add cpu_type power6x.
4069 * configure.ac: Add test for mf{t,f}gpr instructions.
4070 (HAVE_AS_MFPGPR): New.
4071 * config.in: Regenerate.
4072 * configure: Regenerate.
4073 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4074 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4075 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4076 and mftgpr attributes.
4077 (define_attr "cpu"): Add power6.
4078 Change instruction sequences to use new attributes.
4079 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4080 (fix_truncdfsi2_mfpgpr): New.
4081 (floatsidf_ppc64_mfpgpr): New.
4082 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4083 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4084 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4085 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4086 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4087 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4088 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4089 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4090 cntlz,exts and var_delayed_compare.
4091 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4092 _ARCH_PWR6X, if features enabled.
4093 * config/rs6000/rs6000.opt (mmfpgpr): New.
4094 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4095 (cached_can_issue_more): New variable.
4096 (processor_costs): Add power6_cost.
4097 (rs6000_sched_init): New function.
4098 (is_dispatch_slot_restricted): Deleted.
4099 (set_to_load_agen): New function.
4100 (is_load_insn,is_store_insn): New functions.
4101 (adjacent_mem_locations): New function.
4102 (insn_must_be_first_in_group): New function.
4103 (insn_must_be_last_in_group): New function.
4104 (rs6000_sched_reorder): New function.
4105 (rs6000_sched_reorder2): New function.
4106 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4107 TARGET_SCHED_REORDER2): Define.
4108 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4109 Add power6x. Add MASK_MFPGPR for power6x.
4110 (POWERPC_MASKS): Add MASK_MFPGPR.
4111 (rs6000_override_options): Set rs6000_always_hint to false
4112 for power6. Set rs6000_align_branch_targets. Replace
4113 rs6000_sched_groups check with rs6000_align_branch_targets.
4114 Use PROCESSOR_POWER6.
4115 (last_scheduled_insn): New variable.
4116 (load_store_pendulum): New variable.
4117 (rs6000_variable_issue): Set last_scheduled_insn and
4118 cached_can_issue_more.
4119 (rs6000_adjust_cost): Add power6 cost adjustments.
4120 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4121 with insn_must_be_first_in_group. Add power6 priority adjustments.
4122 (rs6000_issue_rate): Add CPU_POWER6.
4123 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4124 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4125 (TARGET_MFPGPR): New.
4126 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4127 (ASM_CPU_SPEC): Add power6x.
4128 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4130 * config/rs6000/power6.md: New file.
4132 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4134 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4135 HOST_WIDE_INT_PRINT to print high and low parts. Use
4136 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4137 printing a hexadecimal number prefix it with 0x.
4139 2006-11-01 Chris Johns <chris@contemporary.net.au>
4142 * Makefile.in (install-driver): Use exeext when installing
4143 $target-gcc-$version.
4145 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4147 * c-common.c (flag_cpp0x): New.
4148 * c-common.h (flag_cpp0x): New.
4149 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4150 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4151 * c-opts.c (set_std_cxx0x): New.
4152 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4153 * c.opt (std=c++0x): Document.
4154 (std=gnu++0x): Ditto.
4155 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4156 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4158 2006-11-01 Richard Guenther <rguenther@suse.de>
4160 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4162 (ix86_expand_floorceildf_32): Likewise.
4163 (ix86_expand_floorceil): Likewise.
4164 (ix86_expand_trunc): Likewise.
4166 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4168 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4171 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4173 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4175 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4177 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4179 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4180 * configure.ac (use_cxa_atexit): As a special case, don't test
4181 for libc definition of __cxa_atexit on mingw32
4182 * configure: Regenerate.
4183 * config.gcc (i[34567]86-pc-mingw32): Default to
4184 enable__cxa_atexit=yes.
4186 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4188 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4190 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4193 * c-decl.c (start_struct): Don't create self-containing
4195 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4197 * config/rs6000/rs6000-protos.h
4198 (darwin_rs6000_special_round_type_align): New.
4199 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4200 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4202 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4204 * toplev.c (compile_file): Call final_write_globals
4205 even if there have been errors.
4207 2006-10-31 Eric Christopher <echristo@apple.com>
4208 Falk Hueffner <falk@debian.org>
4210 * doc/extend.texi (__builtin_bswap32): Document.
4211 (__builtin_bswap64): Ditto.
4212 * doc/libgcc.texi (bswapsi2): Document.
4214 * doc/rtl.texi (bswap): Document.
4215 * optabs.c (expand_unop): Don't widen a bswap.
4216 (init_optabs): Init bswap. Set libfuncs explicitly
4217 for bswapsi2 and bswapdi2.
4218 * optabs.h (OTI_bswap): New.
4219 (bswap_optab): Ditto.
4220 * genopinit.c (optabs): Handle bswap_optab.
4221 * tree.h (tree_index): Add TI_UINT32_TYPE and
4223 (uint32_type_node): New.
4224 (uint64_type_node): Ditto.
4225 * tree.c (build_common_tree_nodes_2): Initialize
4226 uint32_type_node and uint64_type_node.
4227 * builtins.c (expand_builtin_bswap): New.
4228 (expand_builtin): Call.
4229 (fold_builtin_bswap): New.
4230 (fold_builtin_1): Call.
4231 * fold-const.c (tree_expr_nonnegative_p): Return true
4233 * builtin-types.def (BT_UINT32): New.
4235 (BT_FN_UINT32_UINT32): Ditto.
4236 (BT_FN_UINT64_UINT64): Ditto.
4237 * builtins.def (BUILT_IN_BSWAP32): New.
4238 (BUILT_IN_BSWAP64): Ditto.
4239 * rtl.def (BSWAP): New.
4240 * genattrtab.c (check_attr_value): New.
4241 * libgcc2.c (__bswapSI2): New.
4242 (__bswapDI2): Ditto.
4243 * libgcc2.h (__bswapSI2): Declare.
4244 (__bswapDI2): Ditto.
4245 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4246 * simplify-rtx.c (simplify_const_unary_operation): Return
4248 * libgcc-std.ver (__bwapsi2): Add.
4249 (__bswapdi2): Ditto.
4250 * reload1.c (eliminate_regs_1): Add bswap.
4251 (elimination_effects): Ditto.
4252 * config/i386/i386.h (x86_bswap): New.
4253 (TARGET_BSWAP): Use.
4254 * config/i386/i386.c (x86_bswap): Set.
4256 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4258 * coverage.c (coverage_checksum_string): Update comment.
4259 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4260 of get_file_function_name.
4261 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4262 of get_file_function_name_long.
4263 * tree.c (get_file_function_name): Rename from
4264 get_file_function_name_long; improve comment; handle 'I' and 'D'
4265 specially when the target has ctor/dtor support; remove special
4267 (get_file_function_name): Remove.
4268 * tree.h (get_file_function_name): Rename from
4269 get_file_function_name_long.
4270 (get_file_function_name): Remove prototype.
4272 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4274 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4275 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4277 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4278 Call dsymutil when compiling and linking one or more source files
4281 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4284 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4286 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4288 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4289 inline static functions in c99 mode.
4292 * doc/extend.texi (Inline): Update.
4293 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4294 * c-decl.c (current_extern_inline): Delete.
4295 (pop_scope): Adjust test for an undefined nested function.
4296 Add warning about undeclared inline function.
4297 (diagnose_mismatched_decls): Update comments. Disallow overriding
4298 of inline functions in a translation unit in C99. Allow inline
4299 declarations in C99 at any time.
4300 (merge_decls): Boolize variables. Handle C99 'extern inline'
4302 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4303 C99 inline semantics.
4304 (start_function): Don't clear current_extern_inline. Don't set
4306 (c_push_function_context): Don't push current_extern_inline.
4307 (c_pop_function_context): Don't restore current_extern_inline.
4310 * c-typeck.c (build_external_ref): Warn about static variables
4311 used in extern inline functions.
4312 * c-decl.c (start_decl): Warn about static variables declared
4313 in extern inline functions.
4315 2006-10-31 Roger Sayle <roger@eyesopen.com>
4318 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4319 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4320 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4321 or y is an even integer.
4323 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4326 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4327 * gthr-posix95.h (__gthread_active_p): Likewise.
4329 2006-10-31 Richard Guenther <rguenther@suse.de>
4331 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4332 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4333 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4334 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4335 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4336 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4337 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4338 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4341 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4343 * opts.c (decode_options): Disable CSE skip blocks.
4345 2006-10-30 Dirk Mueller <dmueller@suse.de>
4347 * c-common.h (strict_aliasing_warning): Fix whitespace.
4348 * c-decl (start_function): Move code for main decl warning ..
4349 * c-common.c (check_main_parameter_types): .. here.
4350 * c-common.h (check_main_parameter_types): Declare.
4352 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4355 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4357 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4359 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4360 be a PARALLEL containing sets. Return false when out_pat is not
4363 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4365 * config/mips/mips.md (mul<mode>3): Split into...
4366 (mulsi3, muldi3): ...these separate patterns.
4368 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4370 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4371 but with each set of options separated by spaces.
4373 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4375 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4376 dwarf_reg_size_table has been initialized.
4378 2006-10-30 Roger Sayle <roger@eyesopen.com>
4380 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4381 * ddg.c (print_ddg_edge): Likewise.
4382 * dwarf2out.c (prune_unused_types_walk): Likewise.
4383 * ifcvt.c (noce_try_cmove_arith): Likewise.
4384 * langhooks.c (add_builtin_function): Likewise.
4385 * reg-stack.c (subst_stack_regs_pat): Likewise.
4386 * tree.c (expanded_location): Likewise.
4387 * tree-dump.c (dequeue_and_dump): Likewise.
4389 2006-10-30 David Daney <ddaney@avtrex.com>
4391 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4393 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4395 PR tree-optimization/29637
4396 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4397 of the innertype is the innertype itself.
4399 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4401 * dwarf2out.c (file_name_acquire): Correct typo.
4403 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4405 * tree.h (tree_value_handle): Remove struct value_set declaration.
4406 Change value_set to bitmap_set.
4407 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4408 * tree-vn.c (get_value_handle): Made inline and moved to
4410 * tree-flow-inline.h: (has_stmt_ann): New function.
4411 * tree-ssa-pre.c (expressions): New variable.
4412 (next_expression_id): Ditto.
4413 (alloc_expression_id): New function.
4414 (struct value_set): Remove.
4415 (get_expression_id): New function.
4416 (get_or_alloc_expression_id): Ditto.
4417 (expression_for_id): Ditto.
4418 (clear_expression_ids): Ditto.
4419 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4420 (bb_value_sets): Renamed to bb_bitmap_sets.
4421 All value sets replaced with bitmap_sets.
4423 (BB_VISITED): New macro.
4424 (postorder): New variable.
4425 (add_to_value): Removed.
4426 (value_exists_in_set_bitmap): Ditto.
4427 (value_insert_into_set_bitmap): Ditto.
4430 (set_remove): Ditto.
4431 (set_contains_value): Ditto.
4432 (insert_into_set): Ditto.
4434 (find_leader): Ditto.
4435 (bitmap_set_subtract_from_value_set): Ditto.
4436 (value_insert_into_set): Ditto.
4437 (print_value_set): Ditto.
4438 (debug_value_set): Ditto.
4439 (constant_expr_p): New function.
4440 (bitmap_remove_from_set): Ditto.
4441 (bitmap_insert_into_set): Ditto.
4442 (bitmap_set_free): Ditto.
4443 (vh_compare): Ditto.
4444 (sorted_array_from_bitmap_set): Ditto.
4445 (bitmap_set_subtract): Ditto.
4446 (bitmap_set_equal): Ditto.
4447 (debug_bitmap_set): Ditto.
4448 (find_leader_in_sets): Ditto.
4449 (bitmap_set_replace_value): Modify for bitmapped sets.
4450 (phi_translate): Ditto.
4451 (phi_translate_set): Ditto.
4452 (bitmap_find_leader): Ditto.
4453 (valid_in_sets): Ditto.
4454 (union_contains_value): Ditto.
4456 (compute_antic_aux): Ditto. Mark changed blocks.
4457 (compute_antic): Ditto. Iterate in postorder and only over
4459 (compute_rvuse_and_antic_safe): Reuse postorder.
4460 (create_component_ref_by_pieces): Modify for bitmapped sets.
4461 (find_or_generate_expression): Ditto.
4462 (create_expression_by_pieces): Ditto.
4463 (insert_into_preds_of_block): Ditto.
4464 (changed_blocks): New variable.
4465 (do_regular_insertion): Broken out from insert_aux.
4466 (insert_aux): Modified for bitmapped sets.
4467 (find_existing_value_expr): New function.
4468 (create_value_expr_from): Use it.
4469 (insert_extra_phis): Removed.
4470 (print_bitmap_set): Renamed from bitmap_print_value_set.
4471 (compute_avail): Handle RETURN_EXPR.
4472 (init_pre): Modify for bitmapped sets.
4473 * tree-flow.h (has_stmt_ann): New function.
4475 2006-10-29 Roger Sayle <roger@eyesopen.com>
4477 * builtins.c (fold_builtin_floor): Check for the availability of
4478 the C99 trunc function before transforming floor into trunc.
4480 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4482 * builtins.c (fold_builtin_hypot): Rearrange recursive
4483 transformation before others, and also do ABS_EXPR. When
4484 necessary, check flag_unsafe_math_optimizations. When necessary,
4487 2006-10-29 Roger Sayle <roger@eyesopen.com>
4489 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4490 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4491 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4492 Fold -X eq/ne -Y as X eq/ne Y.
4494 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4496 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4497 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4498 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4499 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4500 Use an inclusive test for "mult" rather than "mul".
4501 (rotr<mode>3): Depend on ISA_HAS_ROR.
4502 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4504 (GENERATE_MULT3_DI): Delete.
4505 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4506 (ISA_HAS_MUL3): New macro.
4507 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4508 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4509 (ISA_HAS_CLZ_CLO): Likewise.
4510 (ISA_HAS_DCLZ_DCLO): Delete.
4511 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4512 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4513 the VR4120 and VR4130.
4514 (ISA_HAS_MACCHI): Use consistent formatting.
4515 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4516 (ISA_HAS_ROR): ...this new macro.
4517 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4518 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4519 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4521 2006-10-29 Roger Sayle <roger@eyesopen.com>
4523 PR tree-optimization/15458
4524 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4527 2006-10-29 Richard Guenther <rguenther@suse.de>
4529 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4530 (ix86_expand_truncdf_32): Likewise.
4531 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4532 trunc inline for SSE math and -fno-trapping-math and if not
4533 optimizing for size.
4534 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4535 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4536 for expanding btrunc inline for SSE math.
4538 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4540 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4541 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4542 i[34567]86-*-solaris2.1[0-9]*.
4543 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4544 Define conditionally depending on TARGET_64BIT_DEFAULT.
4545 (SPEC_32, SPEC_64): Define.
4546 (LINK_SPEC): Use them.
4547 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4549 2006-10-29 Richard Guenther <rguenther@suse.de>
4551 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4552 (ix86_expand_rounddf_32): Likewise.
4553 * config/i386/i386.c (ix86_expand_round): New function expanding
4554 round inline for SSE math and -fno-trapping-math and if not
4555 optimizing for size.
4556 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4557 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4558 round via ix86_expand_round.
4560 2006-10-29 Richard Guenther <rguenther@suse.de>
4562 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4563 (ix86_expand_floorceildf_32): Likewise.
4564 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4565 static helper function.
4566 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4568 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4569 * config/i386/i386.md (floordf2): Adjust to enable floor
4570 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4571 -fno-trapping-math is enabled and if not optimizing for size.
4572 (floorsf2, ceildf2, ceilsf2): Likewise.
4573 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4574 (sse2_maskcmpdf3): Likewise.
4576 2006-10-29 Richard Guenther <rguenther@suse.de>
4578 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4579 rint in case -fno-trapping-math is enabled.
4580 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4581 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4582 (ix86_expand_sse_fabs): Likewise.
4583 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4584 * config/i386/i386.md (rintdf2): Enable for SSE math if
4585 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4586 (rintsf2): Likewise.
4588 2006-10-29 Richard Guenther <rguenther@suse.de>
4590 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4591 to conversion optabs.
4592 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4593 as conversion optab.
4594 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4595 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4596 (lfloor_optab, lceil_optab): Adjust defines.
4597 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4598 lfloor and lceil optabs now being conversion optabs.
4599 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4600 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4601 New static helper function.
4602 (ix86_expand_lfloorceil): New function to expand lfloor and
4604 * config/i386/i386.md (lfloor<mode>2): Split into ...
4605 (lfloorxf<mode>2): ... x87 variant
4606 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4607 using ix86_expand_lfloorceil.
4608 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4610 * doc/md.texi (lfloorMN, lceilMN): Document.
4612 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4614 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4615 -mno-shared assembler option on mips targets.
4616 * configure, config.in: Regenerate.
4617 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4618 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4619 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4621 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4623 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4624 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4626 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4628 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4629 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4632 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4635 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4636 (fold_builtin_pow): Evaluate constant arguments at compile-time
4638 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4639 (do_mpfr_ckconv): New helper function.
4640 (do_mpfr_arg1): Use do_mpfr_ckconv.
4641 (do_mpfr_arg2): New.
4643 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4646 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4647 (-fdump-rtl-sched): Rename to ..
4648 (-fdump-rtl-sched1): here. Also fix file extension number.
4650 2006-10-28 Richard Guenther <rguenther@suse.de>
4652 * fold-const.c (maybe_canonicalize_comparison): Fix code
4655 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4657 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4658 (NON_QI_REG_P): Use IN_RANGE.
4659 (REX_INT_REGNO_P): Use IN_RANGE.
4660 (FP_REGNO_P): Use IN_RANGE.
4661 (SSE_REGNO_P): Use IN_RANGE.
4662 (REX_SSE_REGNO_P): Use IN_RANGE.
4663 (MMX_REGNO_P): Use IN_RANGE.
4664 (STACK_REGNO_P): New macro.
4665 (STACK_REG_P): Use STACK_REGNO_P.
4666 (NON_STACK_REG_P): Use STACK_REGNO_P.
4667 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4668 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4669 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4670 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4671 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4673 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4675 * except.h (output_function_exception_table): Add 'const char*' param.
4676 * except.c (switch_to_exception_section): Add 'const char*' param.
4677 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4678 and flag_function_sections is set, use a function-specific section.
4679 (output_function_exception_table): Add 'const char*' param.
4680 Adjust call to switch_to_exception_section.
4681 * final.c (rest_of_handle_final): Adjust calls to
4682 output_function_exception_table.
4683 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4684 * config.in: Regenerate.
4685 * configure: Likewise.
4687 2006-10-28 Richard Guenther <rguenther@suse.de>
4690 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4691 for maybe_canonicalize_comparison.
4692 (maybe_canonicalize_comparison): New function for canonicalizing
4694 (fold_comparison): Call it to canonicalize comparisons with
4697 2006-10-28 Richard Guenther <rguenther@suse.de>
4700 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4701 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4702 (expand_builtin): Adjust likewise.
4703 * genopinit.c (optabs[]): Add lround optab.
4704 * optabs.c (init_optabs): Initialize lround_optab.
4705 * optabs.h (enum convert_optab_index): Add COI_lround.
4706 (lround_optab): Define.
4707 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4708 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4710 (ix86_expand_lround): New function.
4711 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4713 * doc/md.texi (lroundMN2): Document.
4715 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4718 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4719 argument to HOST_WIDE_INT. Update function prototype.
4720 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4721 "size" argument to HOST_WIDE_INT. Update function prototype.
4723 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4725 * config/i386/i386.c (output_387_ffreep): Create output from a
4726 template string for !HAVE_AS_IX86_FFREEP.
4728 2006-10-27 Eric Christopher <echristo@apple.com>
4730 * config/darwin.c: Fix formatting and grammar.
4732 2006-10-27 Jan Hubicka <jh@suse.cz>
4734 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4735 to be thrown away soon when IGNORE is set.
4736 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4737 indicating when return value shall not be computed.
4738 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4740 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4742 * config/i386/i386.h (TARGET_GEODE):
4743 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4744 (TARGET_CPU_DEFAULT_geode): New macro.
4745 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4746 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4747 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4748 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4749 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4751 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4752 (processor_type): Add PROCESSOR_GEODE.
4754 * config/i386/i386.md: Include geode.md.
4757 * config/i386/i386.c (geode_cost): New initialized global
4759 (m_GEODE, m_K6_GEODE): New macros.
4760 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4761 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4762 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4763 x86_schedule): Use m_K6_GEODE instead of m_K6.
4764 (x86_movx, x86_cmove): Set up m_GEODE.
4765 (x86_integer_DFmode_moves): Clear m_GEODE.
4766 (processor_target_table): Add entry for geode.
4767 (processor_alias_table): Ditto.
4769 * config/i386/geode.md: New file.
4771 * doc/invoke.texi: Add entry about geode processor.
4773 2006-10-27 Mike Stump <mrs@apple.com>
4775 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4776 __DYNAMIC__ from here back to ...
4777 * config/darwin.h (CPP_SPEC): ... here.
4779 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4780 Nathan Sidwell <nathan@codesourcery.com>
4782 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4783 when choosing the minimum heapsize.
4785 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4787 * gcc/unwind-dw2.h: Move cfa-related variables into
4788 struct frame_state_reg_info to ensure that the CFA is properly
4789 handled when executing DW_CFA_{remember,restore}_state.
4790 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4791 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4792 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4793 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4794 gcc/config/rs6000/linux-unwind.h,
4795 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4796 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4797 Modify to use new cfa_* fields.
4799 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4801 * config/s390/s390.c (s390_init_frame_layout): Check positive
4804 2006-10-26 Ben Elliston <bje@au.ibm.com>
4806 * gimplify.c (get_name): Remove extraneous break.
4807 (gimplify_omp_for): Initialise ret with GS_OK.
4809 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4811 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4812 Add unix98.o to link line.
4814 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4817 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4818 Calculate compile-time constants using MPFR.
4819 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4820 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4822 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4824 * config/xtensa/lib2funcs.S: Use C-style comments.
4826 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4828 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4829 (file_table_relative_p): Likewise.
4830 (dwarf2out_finish): Likewise.
4831 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4833 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4835 * tree-ssa-structalias.c (intra_create_variable_infos):
4836 Don't recreate nonlocal_all if it already exists.
4838 2006-10-25 Richard Guenther <rguenther@suse.de>
4841 * optabs.h (enum optab_index): Remove OTI_lrint.
4842 (enum convert_optab_index): Add COI_lrint.
4843 (lrint_optab): Adjust.
4844 (expand_sfix_optab): Declare.
4845 * optabs.c (expand_sfix_optab): New function.
4846 (init_optabs): Init lrint_optab as conversion optab.
4847 * genopinit.c (lrint_optab): Change to a conversion optab.
4848 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4849 expansion via conversion optab.
4850 * config/i386/i386.md (*fistdi2_1): Remove
4851 flag_unsafe_math_optimizations guard.
4852 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4853 fist<mode>2_with_temp): Likewise.
4854 (lrint<mode>2): Split into...
4855 (lrintxf<mode>2): ... x87 part
4856 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4857 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4858 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4859 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4860 * doc/md.texi (lrintMN2): Document.
4862 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4865 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4866 Use inc and dec instructions for TARGET_USE_INCDEC.
4867 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4868 ("sync_double_compare_and_swap<mode>"): Likewise.
4869 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4870 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4871 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4872 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4873 ("sync_old_add<mode>"): Likewise.
4874 ("sync_lock_test_and_set<mode>"): Likewise.
4875 ("sync_lock_test_and_set<mode>"): Likewise.
4876 ("sync_add<mode>"): Likewise.
4877 ("sync_sub<mode>"): Likewise.
4878 ("sync_ior<mode>"): Likewise.
4879 ("sync_and<mode>"): Likewise.
4880 ("sync_xor<mode>"): Likewise.
4882 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4884 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4885 (remainder_optab): Define corresponding macro.
4886 (drem_optab): Remove.
4887 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4888 drem_optab initialization.
4889 * genopinit.c (optabs): Implement remainder_optab using
4890 remainder?f3 patterns. Remove drem_optab.
4891 * builtins.c (expand_builtin_mathfn_2): Handle
4892 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4893 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4894 expand_builtin_mathfn_2.
4896 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4897 depend on flag_unsafe_math_optimizations.
4899 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4900 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4901 Do not depend on flag_unsafe_math_optimizations. Use
4902 truncxf?f expander instead of truncxf?f_i387_noop.
4904 ("fpremxf4", "fprem1xf4"): Do not depend on
4905 flag_unsafe_math_optimizations.
4906 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4907 flag_unsafe_math_optimizations. Use truncxf?f expander
4908 instead of truncxf?f_i387_noop.
4910 * doc/md.texi (fmod, remainder): Document standard named pattern.
4912 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4913 David Daney <ddaney@avtrex.com>
4916 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4918 2006-10-25 Ben Elliston <bje@au.ibm.com>
4920 * doc/extend.texi (Variable Attributes): Typo fix.
4922 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4924 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4925 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4926 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4927 (FRAME_POINTER_REGNUM): Update register number to 21.
4928 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4929 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4931 * config/i386/i386.c (regclass_map): Add fpcr entry.
4932 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4934 (print_reg): Assert REGNO (x) != FPCR_REG.
4936 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4937 (DIRFLAG_REG): Renumber.
4938 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4939 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4940 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4941 hardcoded SSE register numbers.
4943 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4944 hardcoded MMX register numbers.
4946 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4949 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4950 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4952 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4953 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4954 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4955 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4957 2006-10-24 Richard Guenther <rguenther@suse.de>
4960 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4961 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4962 for deciding optimizations in consistency with fold-const.c
4963 (fold_builtin_unordered_cmp): Likewise.
4965 2006-10-24 Richard Guenther <rguenther@suse.de>
4967 * builtins.c (fold_builtin_floor): Fold floor (x) where
4968 x is nonnegative to trunc (x).
4969 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4970 nonnegative to FIX_TRUNC_EXPR.
4972 2006-10-24 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/29567
4975 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4976 for TRUTH_NOT_EXPR. Clarify comments.
4978 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4981 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4982 at compile-time using MPFR. Change parameter VALUE to FUNC,
4984 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4985 for overflow and underflow at all times and avoid folding in
4988 2006-10-24 Ben Elliston <bje@au.ibm.com>
4990 * reload1.c: Formatting fixes.
4992 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4994 PR tree-optimization/14784
4995 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4996 * tree-ssa-structalias.c (get_constraint_for,
4997 intra_create_variable_infos): Set is_heapvar.
4998 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4999 non-heapvar pointer variables specially.
5001 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5004 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5005 fold_builtin_tan): Fold all constant arguments. Take a "type"
5006 argument as necessary.
5007 (do_mpfr_arg1): New.
5008 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5010 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5012 * config/xtensa/lib1funcs.asm: Use C-style comments.
5014 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5016 * tree.c (local_define_builtin): Replace calls to
5017 lang_hooks.builtin_function with add_builtin_function.
5018 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5020 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5022 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5023 common code to add_builtin_function.
5024 * langhooks.c (add_builtin_function): New function.
5025 (lhd_builtin_function): New function.
5026 * langhooks.h (struct lang_hooks): Change the signature of
5028 (add_builtin_function): New function.
5029 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5030 calls to lang_hooks.builtin_function with add_builtin_function.
5031 * c-common.c (decl_builtin_1): Replace calls to
5032 lang_hooks.builtin_function with add_builtin_function.
5033 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5034 lang_hooks.builtin_function with add_builtin_function.
5035 * config/frv/frv.c (def_builtin): Replace calls to
5036 lang_hooks.builtin_function with add_builtin_function.
5037 * config/s390/s390.c (s390_init_builtins): Replace calls to
5038 lang_hooks.builtin_function with add_builtin_function.
5039 * config/sparc/sparc.c (def_builtin): Replace calls to
5040 lang_hooks.builtin_function with add_builtin_function.
5041 * config/i386/i386.c (def_builtin): Replace calls to
5042 lang_hooks.builtin_function with add_builtin_function.
5043 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5044 lang_hooks.builtin_function with add_builtin_function.
5045 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5046 lang_hooks.builtin_function with add_builtin_function.
5047 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5048 Replace calls to lang_hooks.builtin_function with
5049 add_builtin_function.
5050 * config/iq2000/iq2000.c (def_builtin):
5051 Replace calls to lang_hooks.builtin_function with
5052 add_builtin_function.
5053 * config/ia64/ia64.c (def_builtin): Replace calls to
5054 lang_hooks.builtin_function with add_builtin_function.
5055 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5056 lang_hooks.builtin_function with add_builtin_function.
5057 (altivec_init_builtins): Replace calls to
5058 lang_hooks.builtin_function with add_builtin_function.
5059 * config/arm/arm.c (def_mbuiltin): Replace calls to
5060 lang_hooks.builtin_function with add_builtin_function.
5061 (arm_init_tls_builtins): Replace calls to
5062 lang_hooks.builtin_function with add_builtin_function.
5063 * config/mips/mips.c (mips_init_builtins): Replace calls to
5064 lang_hooks.builtin_function with add_builtin_function.
5065 * config/bfin/bfin.c (def_builtin): Replace calls to
5066 lang_hooks.builtin_function with add_builtin_function.
5067 * langhooks-def.h (lhd_builtin_function): New function.
5068 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5070 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5072 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5073 BUILT_IN_STRNCAT_CHK.
5075 2006-10-23 Jan Hubicka <jh@suse.cz>
5077 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5078 don't do conversion from memmove to memcpy here.
5079 (expand_builtin_bcopy, expand_builtin): Update call of
5080 expand_builtin_memmove.
5081 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5083 2006-10-23 Paul Brook <paul@codesourcery.com>
5085 * stor-layout.c (start_record_layout): maximum_field_alignment
5086 overrides STRUCTURE_SIZE_BOUNDARY.
5088 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5090 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5091 nonlocal function symbols if flag_pic.
5093 2006-10-23 Richard Guenther <rguenther@suse.de>
5097 * builtins.c (fold_binary): Remove checks for flag_wrapv
5098 and flag_trapv where negate_expr_p covers these cases.
5100 2006-10-23 Richard Guenther <rguenther@suse.de>
5103 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5104 of two on the absolute value.
5105 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5106 and negating -C does not overflow.
5108 2006-10-23 Richard Guenther <rguenther@suse.de>
5111 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5112 only if not flag_rounding_math.
5114 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5115 Kaz Kojima <kkojima@gcc.gnu.org>
5118 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5119 SImode memory reference for the source of a movua.
5120 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5121 (movua): Use an unspec instead of sign_extract. Expect the source
5122 to have mode BLKmode.
5123 (extv, insv): Use a BLKmode rather than SImode memory reference
5124 for the source of a movua.
5126 2006-10-22 Jeff Law <law@redhat.com>
5127 Richard Guenther <rguenther@suse.de>
5129 PR tree-optimization/15911
5130 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5131 (register_edge_assert_for_1): Likewise.
5132 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5133 (find_conditional_asserts): Adjust for new function signature.
5134 (find_assert_locations): Likewise.
5136 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5138 * config/i386/tmmintrin.h: Remove the duplicated content.
5140 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5142 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5143 (x86_64-*-*): Likewise.
5145 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5146 (override_options): Check SSSE3.
5147 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5148 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5149 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5150 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5151 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5152 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5153 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5154 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5155 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5156 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5157 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5158 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5159 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5160 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5161 IX86_BUILTIN_PABSD128.
5162 (bdesc_2arg): Add SSSE3.
5163 (bdesc_1arg): Likewise.
5164 (ix86_init_mmx_sse_builtins): Support SSSE3.
5165 (ix86_expand_builtin): Likewise.
5166 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5168 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5169 (UNSPEC_PSIGN): Likewise.
5170 (UNSPEC_PALIGNR): Likewise.
5171 Include mmx.md before sse.md.
5173 * config/i386/i386.opt: Add -mssse3.
5175 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5176 (ssse3_phaddwv4hi3): Likewise.
5177 (ssse3_phadddv4si3): Likewise.
5178 (ssse3_phadddv2si3): Likewise.
5179 (ssse3_phaddswv8hi3): Likewise.
5180 (ssse3_phaddswv4hi3): Likewise.
5181 (ssse3_phsubwv8hi3): Likewise.
5182 (ssse3_phsubwv4hi3): Likewise.
5183 (ssse3_phsubdv4si3): Likewise.
5184 (ssse3_phsubdv2si3): Likewise.
5185 (ssse3_phsubswv8hi3): Likewise.
5186 (ssse3_phsubswv4hi3): Likewise.
5187 (ssse3_pmaddubswv8hi3): Likewise.
5188 (ssse3_pmaddubswv4hi3): Likewise.
5189 (ssse3_pmulhrswv8hi3): Likewise.
5190 (ssse3_pmulhrswv4hi3): Likewise.
5191 (ssse3_pshufbv16qi3): Likewise.
5192 (ssse3_pshufbv8qi3): Likewise.
5193 (ssse3_psign<mode>3): Likewise.
5194 (ssse3_psign<mode>3): Likewise.
5195 (ssse3_palignrti): Likewise.
5196 (ssse3_palignrdi): Likewise.
5197 (abs<mode>2): Likewise.
5198 (abs<mode>2): Likewise.
5200 * config/i386/tmmintrin.h: New file.
5202 * doc/extend.texi: Document SSSE3 built-in functions.
5204 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5206 2006-10-22 Ira Rosen <irar@il.ibm.com>
5208 * tree-vect-transform.c (vectorizable_load): Use the type of the
5209 return value of the mask_for_load builtin to create realign_load
5212 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5214 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5217 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5219 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5220 (UNSPEC_LDDQU): This.
5221 * config/i386/sse.md (sse3_lddqu): Updated.
5223 2006-10-21 Richard Guenther <rguenther@suse.de>
5225 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5226 (expand_builtin): Use it to expand lrint instead of
5227 expand_builtin_mathfn.
5229 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5232 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5233 flag_unsafe_math_optimizations is set.
5235 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5238 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5239 patterns to use memory input operand in x87->mem->XMM
5240 reload sequences. Skip transformation for TARGET_K8.
5242 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5244 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5245 force operand1 to register if both operands are memory operands.
5246 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5247 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5248 if both operands are memory operands.
5249 (truncdfsf2): Do not force operand1 to register if both operands
5250 are memory operands.
5252 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5254 * Makefile.in (LIBS): Add $(GMPLIBS).
5255 * doc/install.texi: Update GMP and MPFR requirements.
5256 * doc/sourcebuild.texi (need_gmp): Delete.
5258 2006-10-21 Richard Guenther <rguenther@suse.de>
5260 PR tree-optimization/3511
5261 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5262 got new invariant arguments during PHI translation.
5264 2006-10-21 Richard Guenther <rguenther@suse.de>
5267 * fold-const.c (fold_comparison): Fold signed comparisons
5268 of the form X +- C1 CMP Y +- C2.
5270 2006-10-21 Richard Guenther <rguenther@suse.de>
5273 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5274 if flag_unsafe_math_optimizations is specified. We have
5275 flag_finite_math_only for that.
5276 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5277 or flag_unsafe_math_optimizations.
5279 2006-10-21 Richard Guenther <rguenther@suse.de>
5281 * builtins.c (fold_builtin_classify): Fix typo.
5283 2006-10-21 Richard Guenther <rguenther@suse.de>
5286 * simplify-rtx.c (simplify_const_relational_operation):
5287 Do not constant-fold ORDERED and UNORDERED for
5288 flag_unsafe_math_optimizations but only we do not need to
5289 honor NaNs for the given mode.
5291 2006-10-21 Richard Guenther <rguenther@suse.de>
5294 * config/i386/i386.c (classify_argument): Remove redundant
5295 walking of the BINFOs.
5296 (contains_128bit_aligned_vector_p): Likewise.
5298 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5300 * BASE-VER: Set to 4.3.0.
5302 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5304 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5305 (tree_decl_with_vis): Remove artificial_pta_var flag.
5306 * tree-flow.h (referenced_var_check_and_insert): Expose.
5307 (nonlocal_all): New prototype.
5308 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5309 (nonlocal_all): Make global.
5310 (nonlocal_lookup): Remove.
5311 (nonlocal_insert): Ditto.
5312 (create_nonlocal_var): Do not call nonlocal_insert.
5313 (get_nonlocal_id_for_type): Remove.
5314 (find_global_initializers): Mark new vars we find for renaming.
5315 (intra_create_variable_infos): Only create one nonlocal.
5316 (expand_nonlocal_solutions): Remove.
5317 (compute_points_to_sets): Don't call it.
5318 (ipa_pta_execute): Ditto.
5319 (init_alias_heapvars): Don't create nonlocal_for_type.
5320 (delete_alias_heapvars): Don't remove it.
5321 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5324 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5326 * doc/install.texi (Downloading GCC): Clarify mention of
5327 Fortran in the "full distribution" description.
5329 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5331 Fix PR tree-optimization/28778
5332 Fix PR tree-optimization/29156
5333 Fix PR tree-optimization/29415
5334 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5335 (tree_decl_with_vis): Add artificial_pta_var flag.
5336 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5337 pushed into callers.
5338 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5339 (nonlocal_all): Ditto.
5340 (struct variable_info): Add directly_dereferenced member.
5341 (var_escaped_vars): New variable.
5342 (escaped_vars_tree): Ditto.
5343 (escaped_vars_id): Ditto.
5344 (nonlocal_vars_id): Ditto.
5345 (new_var_info): Set directly_dereferenced.
5346 (graph_size): New variable
5347 (build_constraint_graph): Use graph_size.
5348 (solve_graph): Don't process constraints that cannot change the
5349 solution, don't try to propagate an empty solution to our
5351 (process_constraint): Set directly_dereferenced.
5352 (could_have_pointers): New function.
5353 (get_constraint_for_component_ref): Don't process STRING_CST.
5354 (nonlocal_lookup): New function.
5355 (nonlocal_insert): Ditto.
5356 (create_nonlocal_var): Ditto.
5357 (get_nonlocal_id_for_type): Ditto.
5358 (get_constraint_for): Allow results vector to be empty in the case
5359 of string constants.
5360 Handle results of calls properly.
5361 (update_alias_info): Update alias info stats on number and type of
5363 (find_func_aliases): Use could_have_pointers.
5364 (make_constraint_from_escaped): Renamed from
5365 make_constraint_to_anything, and changed to make constraints from
5367 (make_constraint_to_escaped): New function.
5368 (find_global_initializers): Ditto.
5369 (create_variable_info_for): Make constraint from escaped to any
5370 global variable, and from any global variable to the set of
5372 (intra_create_variable_infos): Deal with escaped instead of
5373 pointing to anything.
5374 (set_uids_in_ptset): Do type pruning on directly dereferenced
5376 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5377 (init_base_vars): Fix comment, and initialize escaped_vars.
5378 (need_to_solve): Removed.
5379 (find_escape_constraints): New function.
5380 (expand_nonlocal_solutions): Ditto.
5381 (compute_points_to_sets): Call find_escape_constraints and
5382 expand_nonlocal_solutions.
5383 (delete_points_to_sets): Don't fall off the end of the graph.
5384 (init_alias_heapvars): Initialize nonlocal_for_type and
5386 (delete_alias_heapvars): Free nonlocal_for_type and null out
5389 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5391 * fold-const.c (add_double): Rename to add_double_with_sign.
5392 Add 'unsigned_p' parameter and take it into account for the overflow.
5393 (mul_double): Rename to mul_double_with_sign.
5394 Add 'unsigned_p' parameter and take it into account for the overflow.
5395 (fold_div_compare): Call add_double_with_sign instead of add_double
5396 and mul_double_with_sign instead of mul_double, passing them the
5397 unsignedness of the type.
5398 * tree.h (add_double): Macroize.
5399 (add_double_with_sign): New prototype.
5400 (mul_double): Macroize.
5401 (mul_double_with_sign): New prototype.
5403 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5405 * config/score/crti.asm: New file.
5406 * config/score/crtn.asm: New file.
5407 * config/score/elf.h: New file.
5408 * config/score/mac.md: New file.
5409 * config/score/misc.md: New file.
5410 * config/score/mul-div.S: New file.
5411 * config/score/predicates.md: New file.
5412 * config/score/score7.md: New file.
5413 * config/score/score.c: New file.
5414 * config/score/score-conv.h: New file.
5415 * config/score/score.h: New file.
5416 * config/score/score.md: New file.
5417 * config/score/score-mdaux.c: New file.
5418 * config/score/score-mdaux.h: New file.
5419 * config/score/score-modes.def: New file.
5420 * config/score/score.opt: New file.
5421 * config/score/score-protos.h: New file.
5422 * config/score/score-version.h: New file.
5423 * config/score/t-score-elf: New file.
5424 * config.gcc: Add score*-*-* configurations(Update before).
5425 * doc/invoke.texi (Score Options): New section.
5426 * doc/md.texi (Score family): New section to document constraints.
5428 2006-10-19 Nick Clifton <nickc@redhat.com>
5430 * config/arm/arm.c: Fix spelling typo.
5432 2006-10-18 Tom Tromey <tromey@redhat.com>
5434 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5436 2006-10-18 Jan Hubicka <jh@suse.cz>
5439 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5442 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5444 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5445 TSI_SAME_STMT, since that's the desired entity.
5447 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5449 * config/s390/contraints.md: New file.
5450 * config/s390/s390-protos.h (s390_mem_constraint,
5451 s390_O_constraint_str, s390_N_constraint_str,
5452 s390_float_const_zero_p): Function prototypes added.
5453 * config/s390/s390.c (s390_extra_constraint_str,
5454 s390_const_double_ok_for_constraint_p,
5455 s390_const_ok_for_constraint_p): Functions removed.
5456 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5457 s390_float_const_zero_p): New functions.
5458 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5459 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5460 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5461 Macro definitions removed.
5462 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5463 s390_extra_constraint_str): Functions removed.
5465 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5466 Richard Sandiford <richard@codesourcery.com>
5469 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5470 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5472 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5474 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5475 (DWARF2_FRAME_REG_OUT): Likewise.
5476 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5477 (DWARF2_FRAME_REG_OUT): Likewise.
5479 2006-10-17 Paul Brook <paul@codesourcery.com>
5481 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5483 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5485 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5486 Standardize on "GNU Fortran" as the official name of the Fortran
5489 2006-10-16 Mike Stump <mrs@apple.com>
5491 * doc/invoke.texi (Darwin Options): Document -mkernel.
5492 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5494 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5495 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5496 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5497 (OS_MISSING_ALTIVEC): Add.
5498 * config/i386/i386.c (override_options): Add
5499 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5500 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5501 -mkernel, -static or -mdynamic-no-pic is given.
5502 (C_COMMON_OVERRIDE_OPTIONS): Add.
5503 * config/darwin.opt (fapple-kext): Add.
5505 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5506 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5508 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5509 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5510 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5511 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5512 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5513 (flag_mkernel): Add.
5514 (flag_apple_kext): Add.
5515 (TARGET_KEXTABI): Add.
5516 * config/darwin.c (darwin_handle_kext_attribute): Add.
5517 (DARWIN_VTABLE_P): Add.
5518 (darwin_binds_local_p): Add partial support for rebinding vtables
5520 (darwin_kextabi_p): Add.
5521 (darwin_override_options): Add.
5522 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5523 (darwin_kextabi_p): Add.
5524 (darwin_override_options): Add.
5525 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5526 __DYNAMIC__ and __STATIC__ here.
5528 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5530 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5531 Added mention of "make pdf" target, and Texinfo requirements for
5534 2006-10-16 DJ Delorie <dj@redhat.com>
5536 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5537 into the GOT in case we need a subreg of the address.
5539 2006-10-16 Richard Guenther <rguenther@suse.de>
5542 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5543 SSE builtin documentation. Document SSE2 builtins.
5545 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5547 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5548 symbol in the output file for non-shared links when -nostdlib or
5549 -nodefaultlibs isn't specified.
5551 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5552 posix thread support.
5554 2006-10-15 Jan Hubicka <jh@suse.cz>
5557 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5558 declared always_inline even when not inlining.
5560 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5561 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5562 Andrew Pinski <pinskia@gmail.com>
5565 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5567 2006-10-15 Jan Hubicka <jh@suse.cz>
5568 Richard Guenther <rguenther@suse.de>
5571 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5572 process_function_and_variable_attributes on all variables, including
5573 those discovered during cgraph construction phase.
5575 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5577 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5579 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5581 * config/i386/athlon.md (athlon_fist): Add fisttp.
5583 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5584 Ian Lance Taylor <ian@airs.com>
5587 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5588 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5591 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5593 * config/score/score.c, config/score/score.h: Fix comment
5596 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5599 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5602 2006-10-13 Eric Christopher <echristo@apple.com>
5604 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5606 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5609 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5610 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5611 alignment supported by 32-bit ELF.
5613 2006-10-13 Eric Christopher <echristo@apple.com>
5615 * config/darwin.c (darwin_emit_unwind_label): Strip
5616 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5618 2006-10-13 Richard Guenther <rguenther@suse.de>
5620 PR tree-optimization/29446
5621 * tree-vrp.c (fix_equivalence_set): Remove.
5622 (extract_range_from_assert): Do not call fix_equivalence_set.
5623 (debug_value_range): Print a newline.
5624 (compare_name_with_value): For equivalence sets with
5625 inconsistent value ranges conservatively bail out.
5626 (compare_names): Likewise.
5628 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5630 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5631 and MPFR for gfortran.
5633 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5635 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5636 alignment supported by 32-bit ELF.
5638 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5642 * c-typeck.c (digest_init): Always allow initializing vectors
5643 that have static storage duration with compound literals.
5644 * tree.c (build_type_attribute_qual_variant): New, based on
5645 build_type_attribute_variant.
5646 (build_type_attribute_variant): Rewrite using the former.
5647 (make_vector_type): Use build_type_attribute_qual_variant to build
5648 type variants. Use type_hash_canon on the others.
5650 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5651 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5653 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5655 2006-10-12 Jan Hubicka <jh@suse.cz>
5658 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5659 current_function_decl is set but current_function_scope is not.
5661 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5663 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5664 emit_insn to emit eh_return_internal instruction.
5665 (eh_return_internal): Explicitly set pc.
5667 2006-10-11 Richard Guenther <rguenther@suse.de>
5669 PR tree-optimization/28230
5670 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5671 to the correct place.
5673 2006-10-11 Richard Guenther <rguenther@suse.de>
5676 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5679 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5681 * configure.ac: Added pdf to "Make-hooks"
5682 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5683 targets and *.pdf file patterns in cleanup targets.
5684 * configure: Regenerated.
5686 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5688 * config/avr/predicates.md: New file.
5689 * config/avr/avr.md: Include it.
5690 (REG_SP): New constant.
5691 (peepholes): Use predicates.
5692 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5693 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5694 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5696 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5698 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5701 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5704 * builtins.c (var_decl_component_p): New function.
5705 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5706 single entry optimization to variables and components thereof.
5708 2006-10-10 Richard Guenther <rguenther@suse.de>
5710 PR rtl-optimization/29323
5711 * except.c (set_nothrow_function_flags): For functions
5712 that do not bind local bail out early.
5714 2006-10-10 Ben Elliston <bje@au.ibm.com>
5716 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5719 2006-10-09 Richard Henderson <rth@redhat.com>
5721 Revert emutls patch.
5723 2006-10-09 Richard Guenther <rguenther@suse.de>
5726 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5729 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5732 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5733 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5734 * configure: Regenerate.
5735 * config.in: Regenerate.
5737 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5739 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5741 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5743 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5744 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5745 Remove stray newline.
5747 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5749 * config/mips/mips.c (mips_classify_symbol): Do not return
5750 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5751 (mips_in_small_data_p): Tweak comments.
5753 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5755 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5757 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5759 * gimplify.c, sched-int.h: Fix comment typos.
5761 * sched-int.h: Fix comment typos.
5763 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5765 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5767 * sched-ebb.c (begin_schedule_ready): Use them.
5768 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5769 add_to_speculative_block, create_check_block_twin, speculate_insn,
5770 fix_jump_move, move_block_after_check): Ditto.
5771 * sched-rgn.c (new_ready): Ditto.
5773 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5775 PR rtl-optimization/29128
5776 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5777 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5778 allow interblock movement of speculation checks.
5780 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5783 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5784 casted to integer type.
5785 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5786 if they are significantly more expensive than [reg + index] ones.
5788 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5790 PR tree-optimization/29330
5791 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5792 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5793 on newly allocated ddrs.
5794 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5795 to VEC (loop_p, heap) pointer.
5796 (compute_data_dependences_for_loop): Adjust caller.
5797 (free_dependence_relations): Free DDR_LOOP_NEST.
5799 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5800 free DEPENDENCE_RELATIONS and DATAREFS.
5803 * builtins.c (expand_builtin_sync_operation,
5804 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5805 Use convert_to_mode to handle promoted arguments.
5807 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5809 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5811 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5813 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5815 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5817 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5818 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5819 Use <modeconstraint> instead of "r" as operand 1 constraint.
5821 2006-10-06 Olivier Hainque <hainque@adacore.com>
5823 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5824 Don't recurse on the pointed-to type.
5825 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5826 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5827 types with components of variable size.
5829 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5831 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5833 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5835 PR tree-optimization/29290
5836 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5840 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5841 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5844 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5845 the number of vector elements fill the rest with zeros.
5847 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5849 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5850 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5853 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5855 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5856 unnamed pattern into subsi3. Use correct constraints/predicates.
5857 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5858 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5860 2006-10-05 Ira Rosen <irar@il.ibm.com>
5862 * doc/loop.texi: Add data references analysis description.
5864 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5866 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5868 2006-10-04 Richard Henderson <rth@redhat.com>
5869 Jakub Jelinek <jakub@redhat.com>
5871 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5872 * builtin-types.def (BT_WORD): Make unsigned.
5873 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5874 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5875 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5876 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5877 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5878 * cgraph.c (decide_is_variable_needed): Look at force_output.
5879 Recurse for emulated tls.
5880 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5881 checks redundant with decide_is_variable_needed.
5882 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5883 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5885 * expr.c (emutls_var_address): New.
5886 (expand_expr_real_1): Expand emulated tls.
5887 (expand_expr_addr_expr_1): Likewise.
5888 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5889 * output.h (emutls_finish): Declare.
5890 * toplev.c (compile_file): Call it.
5891 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5892 address before wrapping in CONST.
5893 * varasm.c (emutls_htab, emutls_object_type): New.
5894 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5895 (get_emutls_object_name, get_emutls_object_type): New.
5896 (get_emutls_init_templ_addr, emutls_decl): New.
5897 (emutls_common_1, emutls_finish): New.
5898 (assemble_variable): When emulating tls, swap decls; generate
5899 constructor for the emutls objects.
5900 (do_assemble_alias): When emulating tls, swap decl and target name.
5901 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5903 * emutls.c: New file.
5904 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5905 tls_object for real tls.
5907 2006-10-04 Zack Weinberg <zackw@panix.com>
5909 Fix bug in constraint-check generator, reported by Rask Ingemann
5911 * genpreds.c (add_constraint): Don't remove anything from the
5913 (write_tm_constrs_h): Detect whether "op" argument is used, and
5914 mark it ARG_UNUSED if it isn't.
5915 (write_insn_const_int_ok_for_constraint): Skip the part of the
5916 expression that would test whether "op" (which is not available
5917 here) is a CONST_INT.
5919 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5922 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5924 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5926 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5927 current Leopard versions.
5928 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5930 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5932 * doc/install.texi: Fix typos.
5934 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5936 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5937 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5938 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5940 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5942 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5943 arg to be struct mach_header_64* instead.
5945 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5948 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5949 side effects after the outer expression's post side effects.
5951 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5953 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5954 comments to reflect actual behavior and relationship between
5955 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5957 * doc/c-tree.texi (Working with declarations): Fix documentation
5958 of FIELD_DECL likewise.
5960 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5963 * doc/extend.texi: Add used variable attribute description.
5965 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5968 * c.opt (Woverride-init): New.
5969 * c-opts.c (c_common_post_options): Default warn_override_init to
5971 * c-typeck.c (add_pending_init, output_init_element): Warn for
5972 overriding initializers without side effects.
5973 * doc/invoke.texi (-Woverride-init): Document.
5976 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5978 PR rtl-optimization/28096
5979 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5980 assignment has already been used as a destination earlier in the block.
5982 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5984 * builtins.c (expand_builtin_setjmp): Delete.
5985 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5986 <BUILT_IN_SETJMP_SETUP>: New case.
5987 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5988 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5989 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5990 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5991 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5992 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5993 (lower_function_body): Initialize it to false. If it is set to true
5994 at the end of the processing, emit the setjmp dispatcher.
5995 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5996 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5997 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5998 on the rhs of the assignment.
5999 (lower_builtin_setjmp): New function.
6000 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6001 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6002 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6003 to detect calls that can go to non-local labels. Use specific
6004 helper to create the abnormal edges associated with them.
6005 <MODIFY_EXPR>: Likewise.
6006 (make_abnormal_goto_edges): New function extracted from...
6007 (make_goto_expr_edges): ...here. Call it for computed gotos.
6008 (simple_goto_p): Minor tweak.
6009 (tree_can_make_abnormal_goto): New predicate.
6010 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6011 (tree_purge_dead_abnormal_call_edges): New function.
6012 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6013 (tree_purge_dead_abnormal_call_edges): Likewise.
6014 (make_abnormal_goto_edges): Likewise.
6015 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6016 Purge all dead abnormal edges if the call was in the last statement.
6017 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6018 (execute_fixup_cfg): If there are non-local labels in the function,
6019 scan the basic blocks and split them at calls that can go to non-local
6020 labels or add missing abnormal call edges. Write down the CFG in the
6022 (pass_fixup_cfg): Remove TODO_dump_func flag.
6023 * unwind-sjlj.c: Poison setjmp.
6024 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6025 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6026 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6027 (DONT_USE_BUILTIN_SETJMP): Document it.
6029 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6032 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6033 to 1 when __ppc64__ is defined.
6034 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6036 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6038 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6040 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6041 * config/ia64/unwind-hpux.c: Delete.
6043 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6045 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6046 on the element before gimplifying it, instead of punting if it is of
6049 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6051 * doc/loop.texi: New file.
6052 * doc/gccint.texi: Reference loop.texi.
6053 * Makefile.in (loop.texi): Add.
6055 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6057 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6059 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6060 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6062 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6064 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6066 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6068 * doc/install.texi: Document required versions of GMP and MPFR.
6070 2006-09-27 Paul Brook <paul@codesourcery.com>
6073 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6075 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6077 * reload1.c (alter_reg): Require the alignment of the stack slot to
6078 be at least reg_max_ref_width bytes.
6079 (scan_paradoxical_subregs): Record the largest width in
6082 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6086 * tree-nested.c (struct nesting_info): Added static_chain_added.
6087 (convert_call_expr): Set static_chain_added when adding static
6088 chain. Handle OMP_PARALLEL and OMP_SECTION.
6090 2006-09-25 Matthias Klose <doko@debian.org>
6092 * doc/invoke.texi: Add missing full stop.
6094 2006-09-25 Richard Henderson <rth@redhat.com>
6096 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6097 before cgraph_function_flags_ready.
6099 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6100 Adam Nemet <anemet@caviumnetworks.com>
6102 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6103 determine_common_wider_type): New functions.
6104 (get_computation_aff): Use them to simplify arithmetic between
6105 UBASE and CBASE if they are shortened from the same type.
6107 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6110 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6111 -2147483647 - 1 instead of 0x80000000.
6113 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6115 * flags.h (HONOR_NANS): Fix typo in comment.
6117 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6119 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6121 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6125 * tree.c (merge_attributes, attribute_list_contained): If both
6126 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6128 * c-typeck.c (comptypes_internal): Don't consider aggregates
6129 in different TUs as compatible if there one set of attributes is
6130 not a subset of the other type's attributes.
6131 (composite_type): Try harder not to create a new aggregate type.
6133 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6135 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6136 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6137 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6138 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6139 than replicating condition above.
6140 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6142 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6143 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6144 the linker by default.
6146 2006-09-22 Mike Stump <mrs@apple.com>
6148 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6151 2006-09-22 Richard Guenther <rguenther@suse.de>
6154 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6155 sort of stack variables stable.
6157 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6160 * explow.c (force_reg): Set REG_POINTER flag according to
6163 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6165 PR tree-optimization/28888
6166 * tree-if-conv.c (combine_blocks): Rewritten.
6167 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6168 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6170 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6172 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6175 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6177 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6179 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6181 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6183 2006-09-21 Roger Sayle <roger@eyesopen.com>
6186 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6187 dw_fde_current_label, to be the start of the function, i.e. the same
6188 value as dw_fde_begin.
6190 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6192 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6193 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6194 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6195 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6196 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6197 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6198 (abs<mode>2, neg<mode>2): Likewise.
6199 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6200 (*mips_abs_ps): New define_insn.
6202 2006-09-20 Josh Conner <jconner@apple.com>
6205 * calls.c (expand_call): Allow reuse of structure return stack
6208 2006-09-20 Paul Brook <paul@codesourcery.com>
6210 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6213 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6215 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6216 clean up terminology.
6218 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6221 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6222 with tablejumps in them.
6224 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6227 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6228 wrap it into TARGET_EXPR.
6230 2006-09-20 Eric Christopher <echristo@apple.com>
6232 * config/i386/i386.c (x86_fisttp): Remove.
6233 * config/i386/i386.h (x86_fisttp): Ditto.
6234 (TARGET_FISTTP): Ditto.
6236 2006-09-19 Eric Christopher <echristo@apple.com>
6238 * doc/tm.texi (OBJC_JBLEN): Describe.
6239 * config/i386/darwin.h (OBJC_JBLEN): Define.
6240 * config/rs6000/darwin.h: Ditto.
6242 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6244 PR rtl-optimization/21299
6245 * reload1.c (reload): Purge invalid ASMs in the final pass.
6247 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6250 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6251 pointers as legitimate constants.
6253 2006-09-19 Paul Brook <paul@codesourcery.com>
6256 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6258 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6260 PR tree-optimization/28887
6261 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6262 component parts from the reference.
6263 (gather_memory_references_ref): Record the reference without the
6264 nonaddressable component parts.
6266 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6269 * c-opts.c (c_common_handle_option): Ignore the -std options
6270 if the input language is assembly.
6272 2006-09-17 Ira Rosen <irar@il.ibm.com>
6275 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6277 (ptr_ptr_may_alias_p): Likewise.
6278 (record_record_differ_p): New function.
6279 (base_object_differ_p): Call record_record_differ_p.
6281 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6284 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6285 away for the expr argument.
6287 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6290 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6291 before using it for dumping after vectorizing loops.
6293 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6294 Jack Howarth <howarth@bromo.med.uc.edu>
6297 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6298 skip on error_mark_node.
6299 (rs6000_darwin64_record_arg_recurse): Likewise.
6301 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6303 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6304 * doc/rtl.texi: Remove related documentation.
6306 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6308 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6311 2006-09-15 Jim Wilson <wilson@specifix.com>
6313 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6314 Handle symbol offsets same as they are handled in ia64_expand_move
6317 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6319 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6320 Add forgotten parameter to the fprintf call.
6322 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6324 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6326 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6328 * doc/contrib.texi: Add my entry.
6330 2006-09-15 Nick Clifton <nickc@redhat.com>
6332 * doc/md.texi (Processor pipeline description): Fix typo in
6333 example of how to use the absence_set directive and reword the
6334 description to make it slightly easier to read.
6336 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6338 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6339 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6340 expanding the number of iterations.
6341 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6343 * cfgrtl.c (emit_insn_at_entry): New function.
6344 * rtl.h (emit_insn_at_entry): Declare it.
6345 * integrate.c (emit_initial_value_sets): Use it.
6347 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6349 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6351 (struct loop_work and related VEC declarations): Delete.
6352 (bfin_dump_loops): Print out new member bad.
6353 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6354 (bfin_scan_loop): Don't recurse.
6355 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6356 loops. No longer need to update outer loops if the current one is
6357 found bad. Move some validitiy checks to bfin_discover_loop.
6358 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6359 but changed not to check for nesting. Also changed to use the new bad
6361 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6362 time. Use bitmap based test to discover loop nesting.
6364 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6366 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6369 2006-09-14 Richard Guenther <rguenther@suse.de>
6370 Kazu Hirata <kazu@codesourcery.com>
6372 PR middle-end/28884.
6373 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6374 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6375 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6376 with TARGET_FUNCTION_VALUE.
6378 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6381 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6383 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6385 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6388 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6391 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6394 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6396 * basic_block.h (bb_has_eh_pred): Fix comment.
6398 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6400 * flow.c (calculate_global_regs_live): Invalidate eh registers
6401 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6402 (propagate_block): Handle eh registers as if they were set at basic
6404 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6406 * global.c (global_conflicts): Make eh registers to conflict with
6407 pseudos live at basic block begin.
6408 * basic_block.h (bb_has_eh_pred): New function.
6410 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6412 PR rtl-optimization/28982
6413 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6414 index of a PRE_MODIFY or POST_MODIFY address.
6415 * reload1.c (inc_for_reload): Use find_replacement on the original
6416 base and index registers.
6418 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6420 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6421 for -Os. Update __m128 alignment requirement.
6423 2006-09-13 Jan Hubicka <jh@suse.cz>
6425 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6427 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6429 PR rtl-optimization/28243
6430 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6431 the insn to which the note was originally attached.
6433 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6434 Roger Sayle <roger@eyesopen.com>
6436 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6437 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6438 on platforms that don't use dwarf for debug info.
6440 2006-09-12 Jason Merrill <jason@redhat.com>
6443 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6444 hard_frame_pointer_rtx after using it to update the frame pointer.
6446 2006-09-12 Roger Sayle <roger@eyesopen.com>
6448 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6449 (TARGET_ASM_CLOSE_PAREN): Likewise.
6450 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6451 (TARGET_ASM_CLOSE_PAREN): Likewise.
6453 2006-09-12 Roger Sayle <roger@eyesopen.com>
6456 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6457 frame information for frames larger than 512 Kbytes on Tru64 when
6458 using the native assembler.
6460 2006-09-12 Roger Sayle <roger@eyesopen.com>
6464 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6465 and symbols. Instead use the implementation from cse.c's hash_rtx.
6467 2006-09-12 Jan Hubicka <jh@suse.cz>
6469 PR rtl-optimization/28071
6470 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6471 (vect_transform_loop): Likewise.
6472 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6473 (new_loop_vec_info): Likewise.
6474 (destroy_loop_vec_info): Likewise.
6475 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6476 (create_stmt_ann): Likewise.
6477 (create_tree_ann): Rename to ...
6478 (create_tree_common_ann): ... this one; allocate only the common part
6480 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6481 (get_value_handle): Likewise.
6482 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6483 get_tree_common_ann.
6484 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6485 (vinfo_for_stmt): Use stmt annotations.
6486 * tree-flow.h (tree_ann_common_t): New type.
6487 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6488 (tree_ann, get_tree_ann, create_tree_ann): New.
6489 * tree-flow-inline.h (get_function_ann): Do more type checking.
6490 (stmt_ann): Likewise.
6491 (tree_ann): Rename to ...
6492 (tree_common_ann): ... this one; return ony common_ann
6493 (get_tree_ann): Rename to ...
6494 (tree_common_ann): This one; return only common_ann.
6495 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6498 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6500 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6501 with_cpu by default.
6503 * dwarf2out.c (dwarf_file_data): New.
6504 (enum dw_val_class): Add dw_val_class_file.
6505 (struct dw_val_struct): Add val_file.
6506 (file_table): Change to a hash table.
6507 (file_table_emitted): Delete.
6508 (file_table_last_lookup_index): Delete.
6509 (emitcount): Delete.
6510 (last_emitted_file): New.
6511 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6512 (init_file_table): Delete.
6513 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6514 (AT_addr): Add comment.
6518 (print_die): Handle dw_val_class_file.
6519 (print_dwarf_line_table): Update for new file table structure.
6520 (attr_checksum): Do checksum a filename.
6521 (same_dw_val_p, same_attr_p): Do compare a filename.
6522 (size_of_die): Handle dw_val_class_file.
6523 (value_format): Likewise.
6524 (output_die): Likewise. Also, call maybe_emit_file here.
6525 (struct file_info): Constify filenames. Make file_idx a pointer
6526 to a struct dwarf_file_data.
6527 (struct dir_info): Constify directory names. Remove 'used' field.
6528 (struct file_name_acquire_data): New.
6529 (file_name_acquire): New.
6530 (output_file_names): Modify to handle new file data structures.
6531 (add_src_coords_attributes): Use add_AT_file.
6532 (add_call_src_coords_attributes): Likewise.
6533 (dwarf2out_imported_module_or_decl): Likewise.
6534 (gen_subprogram_die): Modify for new file data structures.
6535 (gen_variable_die): Likewise.
6536 (file_table_eq): New.
6537 (file_table_hash): New.
6538 (file_table_last_lookup): New.
6539 (lookup_filename): Rewrite to handle new file data structures.
6540 (maybe_emit_file): Rewrite to handle new file data structures.
6541 (dwarf2out_source_line): Always call lookup_filename and
6543 (dwarf2out_init): Create file_table here.
6544 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6545 (file_table_relative_p): New.
6546 (dwarf2out_finish): Change detection of relative filenames
6547 to work with new file data structures. Move output_line_info call
6548 after debug_info output.
6550 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6555 * config/i386/i386.c (override_options): Always default to 16
6556 byte stack boundary.
6558 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6561 * var-tracking.c (dump_dataflow_set): Start dumping at
6563 (clobber_variable_part): Kill only the variable part in
6564 registers holding it, leaving other variables alone.
6566 2006-09-11 Josh Triplett <josh@freedesktop.org>
6568 * doc/extend.texi (Other Builtins): Actually use the macro
6569 argument in the documentation example for
6570 __builtin_types_compatible_p.
6572 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6574 PR rtl-optimization/28726
6575 * sched-deps.c (sched_analyze_reg): New function extracted from...
6576 (sched_analyze_1): ...here. Call it to analyze references to
6577 registers. Treat again writes to a stack register as writing to the
6579 (sched_analyze_2): ...and here. Call it to analyze references to
6580 registers. Treat again reads of a stack register as reading the
6583 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6584 David Edelsohn <edelsohn@gnu.org>
6587 * config/rs6000/spe.md (frob_df_di): Remove %H.
6588 (frob_di_df): Remove %H. Change evmergelo to mr.
6589 (frob_di_df_2): Remove %H. Change evldd to two loads.
6591 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6593 * doc/cpp.texi: Fix names of charset options.
6595 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6598 * config/i386/i386.c (override_options): Use 128-bit
6599 stack boundary always for 64bits.
6601 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6603 PR rtl-optimization/28636
6604 * combine.c (force_to_mode): Test for side-effects before
6605 substituting by zero.
6606 (simplify_shift_const): Likewise for zero or other constants.
6608 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6611 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6614 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6617 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6618 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6619 returned by mode_for_size, rather than the mode of src itself,
6620 to choose between 32-bit and 64-bit patterns.
6621 (mips_mem_fits_mode_p): New function.
6622 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6623 that the size of the source matches the size of the destination.
6624 (mov_<store>l, mov_<store>r): Likewise.
6626 2006-09-10 Eric Christopher <echristo@apple.com>
6628 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6631 2006-09-09 Eric Christopher <echristo@apple.com>
6634 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6637 2006-09-09 Roger Sayle <roger@eyesopen.com>
6638 Nicolas Setton <setton@adacore.com>
6640 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6642 2006-09-10 Andreas Schwab <schwab@suse.de>
6644 * config/m68k/m68k.md (bungt_rev): New pattern.
6646 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6647 Dale Johannesen <dalej@apple.com>
6650 * regclass.c (struct reg_pref): Update documentation.
6651 (regclass): Set prefclass to NO_REGS if memory is the best option.
6652 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6654 2006-09-08 Eric Christopher <echristo@apple.com>
6656 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6657 * config/t-slibgcc-darwin: Support x86_64 multilib.
6658 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6659 Return 1 for x86_64-darwin.
6660 * config/i386/t-darwin: Add m64 multilib.
6661 (LIB2_SIDITI_CONV_FUNCS): Use.
6662 (LIB2FUNCS_EXTRA): Ditto.
6663 * config/i386/darwin.h: Support x86_64.
6664 * config/i386/i386.c (override_options): Turn on flag_pic
6665 for x86_64-darwin. Disable flag_omit_pointer.
6666 (get_pc_thunk_name): Assert !TARGET_64BIT.
6667 (legitimate_address_p): Disable machopic addressing for
6669 (legitimize_pic_address): Ditto.
6670 (ix86_expand_move): Ditto.
6671 (ix86_expand_call): Ditto.
6672 (machopic_output_stub): Ditto.
6673 * config/darwin.c (machopic_select_section): Support literal16.
6674 (machopic_select_rtx_section): Ditto.
6675 * config/darwin-sections.def: Ditto.
6676 * config/darwin-64.c: New.
6678 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6681 * c-tree.h (struct c_arg_info): Add pending_sizes.
6682 * c-parser.c (c_parser_parms_declarator,
6683 c_parser_parms_list_declarator): Initialize pending_sizes.
6684 * c-decl.c (get_parm_info): Initialize pending_sizes.
6685 (get_parm_info): Set pending_sizes.
6686 (grokdeclarator): Call put_pending_sizes for parameters for
6687 function definition only.
6689 2006-09-07 Jason Merrill <jason@redhat.com>
6692 * varasm.c (output_constant): Only strip actual no-op conversions.
6695 * config/i386/i386.c (override_options): Use 128-bit
6696 stack boundary if -msse.
6698 2006-09-07 Eric Christopher <echristo@apple.com>
6700 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6702 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6705 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6707 * dwarf2out.c: Remove strange characters from comment above
6708 dwarf2out_frame_debug_expr.
6710 2006-09-07 Eric Christopher <echristo@apple.com>
6712 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6713 * config/darwin.h: ... to here.
6715 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6717 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6719 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6720 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6722 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6723 TARGET_PARTIAL_FLAG_REG_STALL.
6724 (*ashldi3_cconly_rex64): Likewise.
6725 (*ashlsi3_cmp): Likewise.
6726 (*ashlsi3_cconly): Likewise.
6727 (*ashlsi3_cmp_zext): Likewise.
6728 (*ashlhi3_cmp): Likewise.
6729 (*ashlhi3_cconly): Likewise.
6730 (*ashlqi3_cmp): Likewise.
6731 (*ashlqi3_cconly): Likewise.
6732 (*ashrdi3_cmp_rex64): Likewise.
6733 (*ashrdi3_cconly_rex64): Likewise.
6734 (*ashrsi3_cmp): Likewise.
6735 (*ashrsi3_cconly): Likewise.
6736 (*ashrsi3_cmp_zext): Likewise.
6737 (*ashrhi3_cmp): Likewise.
6738 (*ashrhi3_cconly): Likewise.
6739 (*ashrqi3_cmp): Likewise.
6740 (*ashrqi3_cconly): Likewise.
6741 (*lshrdi3_cmp_rex64): Likewise.
6742 (*lshrdi3_cconly_rex64): Likewise.
6743 (*lshrsi3_cmp): Likewise.
6744 (*lshrsi3_cconly): Likewise.
6745 (*lshrsi3_cmp_zext): Likewise.
6746 (*lshrhi3_cmp): Likewise.
6747 (*lshrhi3_cconly): Likewise.
6748 (*lshrqi2_cmp): Likewise.
6749 (*lshrqi2_cconly): Likewise.
6751 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6754 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6755 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6756 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6757 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6758 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6759 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6760 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6761 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6762 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6763 implement only CC setting effects of shift instructions.
6765 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6767 * doc/contrib.texi: Add myself.
6769 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6772 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6773 was set by the user.
6775 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6778 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6779 (divsi_inv_m1): Use them.
6780 (UNSPEC_DIV_INV_TABLE): New constant.
6782 2006-09-06 James E Wilson <wilson@specifix.com>
6785 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6786 then call count_or_remove_death_notes.
6788 2006-09-06 Jason Merrill <jason@redhat.com>
6791 * tree-inline.c (copy_result_decl_to_var): New fn.
6792 (declare_return_variable): Use it. Call declare_inline_vars here.
6793 (expand_call_inline): Not here.
6795 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6797 * doc/contrib.texi: Update my entry.
6799 2006-09-06 Nick Clifton <nickc@redhat.com>
6801 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6803 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6806 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6807 (canonicalize_induction_variables): Likewise.
6808 (tree_unroll_loops_completely): Likewise.
6809 (tree_ssa_prefetch_arrays): Likewise.
6810 (remove_empty_loops): Likewise.
6811 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6812 TODO_cleanup_cfg instead of directly calling
6813 cleanup_tree_cfg_loop.
6814 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6816 (tree_unroll_loops_completely): Likewise.
6817 (remove_empty_loops): Likewise.
6818 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6819 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6820 of tree_ssa_unswitch_loops.
6821 (tree_ssa_loop_ivcanon): Use the return value of
6822 canonicalize_induction_variables.
6823 (tree_ssa_empty_loop): Use the return value of
6825 (tree_complete_unroll): Use the return value of
6826 tree_unroll_loops_completely.
6827 (tree_ssa_loop_prefetch): Use the return value of
6828 tree_ssa_prefetch_arrays.
6829 * passes.c (execute_todo): Before Cleanup CFG, set
6830 updating_used_alone and after cleanup CFG, call
6831 recalculate_used_alone.
6833 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6836 * tree-vect-transform.c (vectorizable_condition): Move the check
6837 for the type after the check for simple condition.
6839 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6840 Kaz Kojima <kkojima@gcc.gnu.org>
6843 * mode-switching.c (optimize_mode_switching): Make the destination
6844 block of an abnormal edge have no anticipatable mode. Don't
6845 insert mode switching code at the end of the source block of
6848 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6850 PR rtl-optimization/26847
6851 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6852 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6853 (simplify_plus_minus): Count n_constants while filling ops. Replace
6854 qsort with insertion sort. Before going through the array to simplify
6855 pairs, sort it. Delay early exit until after the first sort, exiting
6856 only if no swaps occurred. Simplify pairs in reversed order, without
6857 special-casing the first iteration. Pack ops after simplifying pairs.
6859 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6861 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6862 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6863 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6864 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6866 2006-09-05 Richard Guenther <rguenther@suse.de>
6868 PR tree-optimization/28900
6869 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6870 compound conditional before creating COND_EXPR condition.
6872 2006-09-05 Richard Guenther <rguenther@suse.de>
6874 PR tree-optimization/28905
6875 * tree-vrp.c (fix_equivalence_set): Manually implement
6876 !value_ranges_intersect_p to also handle symbolic ranges.
6878 2006-09-05 Richard Guenther <rguenther@suse.de>
6881 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6884 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6886 PR rtl-optimization/27616
6887 * cse.c (table_size): New static variable.
6888 (new_basic_block): Initialize it to 0.
6889 (remove_from_table): Decrement it.
6890 (insert): Increment it.
6891 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6892 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6893 fold_rtx_mem_1 if under the cap.
6894 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6895 the lookup of the equivalent expression and test for equality of the
6896 first operand of the equivalent expression before in turn looking up
6897 an equivalent constant for the second operand.
6899 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6902 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6903 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6904 pointer, instead of assuming it is possible to derive the
6905 correct args size from a call insn.
6907 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6910 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6911 (fold_builtin_mempcpy): Rename to...
6912 (fold_builtin_memory_op): ... this. Optimize one element copy
6914 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6916 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6917 (expand_builtin_memcpy, expand_builtin_mempcpy,
6918 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6919 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6920 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6921 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6923 2006-09-01 DJ Delorie <dj@redhat.com>
6925 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6926 (stzx_16): Likewise.
6927 ("stzx_24_<mode>"): Likewise.
6928 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6929 ("cmp<mode>_op"): New.
6930 (cmp<mode>): Change to expander; just save operands.
6932 (b<code>): Change to expander, emit compare here.
6933 (s<code>_op): Change to use split and expander.
6934 (s<code>_24_op): Likewise.
6935 (s<code>_<mode>): New.
6936 (s<code>_<mode>_24): New.
6937 (movqicc_<code>_<mode): New.
6938 (movhicc_<code>_<mode>): New.
6941 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6942 (m32c_pend_compare): New.
6943 (m32c_unpend_compare): New.
6944 (m32c_expand_scc): New.
6945 (m32c_expand_movcc): Emit the compare also.
6946 * config/m32c/predicates.md (mra_nopp_operand): New.
6948 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6949 Richard Guenther <rguenther@suse.de>
6950 Adam Nemet <anemet@caviumnetworks.com>
6953 * builtins.c (get_pointer_alignment): Handle more forms
6954 of base addresses that can be used to derive more precise
6955 information about alignment.
6957 2006-09-01 Jason Merrill <jason@redhat.com>
6960 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6963 * gimplify.c (voidify_wrapper_expr): Handle null type.
6965 2006-09-01 Josh Conner <jconner@apple.com>
6968 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6969 (execute_return_slot_opt): Use it.
6971 2006-08-31 Josh Conner <jconner@apple.com>
6974 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6975 returning aggregates.
6977 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6979 PR tree-optimization/28839
6980 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6981 blocks in that phi arguments appear.
6983 2006-08-31 Roger Sayle <roger@eyesopen.com>
6986 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6987 NULL, otherwise use an advance_loc4 to adjust relative to the
6989 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6990 (dwarf2out_switch_text_section): Reset the current label to avoid
6991 using advance_loc4 over section boundaries.
6993 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6996 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6997 r12 + SYMBOLIC_CONST.
6999 2006-08-30 Richard Guenther <rguenther@suse.de>
7001 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7003 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7005 PR rtl-optimization/27735
7006 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7007 Add new argument to keep track of whether an irreducible region
7008 was affected. All callers changed.
7009 (fix_irreducible_loops): Removed.
7010 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7011 flags were invalidated.
7013 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7015 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7016 instead of SF operands.
7017 (*fop_df_comm_sse): Likewise.
7018 (*fop_df_comm_i387): Likewise.
7019 (*fop_df_1_mixed): Likewise.
7020 (*fop_df_1_sse): Likewise.
7022 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7023 J"orn Rennecke <joern.rennecke@st.com>
7025 PR tree-optimization/17506
7026 * tree-ssa.c (warn_uninit): If warning about a location outside of
7027 the current function, note where the variable was declared.
7029 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7031 PR tree-optimization/28411
7032 * double-int.c (double_int_div): Use double_int_divmod.
7033 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7034 double_int_mod, double_int_smod, double_int_umod): New functions.
7035 * double-int.h (double_int_divmod, double_int_sdivmod,
7036 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7038 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7040 (get_computation_aff, get_computation_cost_at): Handle double_int
7041 return type of constant_multiple_of.
7043 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7046 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7047 an implicit conversion.
7049 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7051 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7053 2006-08-27 Roger Sayle <roger@eyesopen.com>
7055 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7058 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7060 * config/i386/crtfastmath.c: Fix a comment typo.
7062 2006-08-26 Roger Sayle <roger@eyesopen.com>
7064 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7065 temporary visit flags on CASE_LABEL_EXPRs.
7066 * c-common.c (match_case_to_enum): Add function comment. Avoid
7067 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7068 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7069 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7070 a constant, only warn if that constant value isn't handled.
7072 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7075 * input.h (restore_input_file_stack): Declare.
7076 (INPUT_FILE_STACK_BITS): Define.
7077 * toplev.c (fs_p, input_file_stack_history,
7078 input_file_stack_restored, restore_input_file_stack): New.
7079 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7080 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7081 (pop_srcloc): Don't free old state of stack.
7083 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7086 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7087 (PowerPC Type Attributes): New.
7089 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7091 * config/xtensa/xtensa.c (function_arg_boundary): New.
7092 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7094 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7095 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7097 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7100 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7103 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7105 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7106 (verify_local_live_at_start): Likewise.
7108 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7111 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7112 omp_add_variable): Treat sizes as variable whenever not
7115 2006-08-26 Richard Guenther <rguenther@suse.de>
7118 * fold-const.c (fold_binary): Fold temporary to correct
7119 type before constructing new comparison.
7121 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7124 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7125 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7127 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7130 * c-decl.c (start_function): Don't try to process prototype
7131 information from old declaration that isn't a function.
7133 2006-08-25 Jan Hubicka <jh@suse.cz>
7136 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7138 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7141 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7144 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7146 PR tree-optimization/16876
7147 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7148 exit if PARM doesn't match VALUE.
7150 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7152 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7153 literal_prefix directive.
7154 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7155 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7156 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7158 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7161 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7162 predicate to general_operand. Add 0->y and I->r alternatives.
7164 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7166 * doc/tm.texi: Fix a typo.
7167 * predict.c: Fix comment typos.
7169 2006-08-25 Nick Clifton <nickc@redhat.com>
7171 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7172 assertions of "cpu" and "machine".
7174 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7177 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7178 the access through a base which has an alias set of 0 cannot
7181 2006-08-24 Bill Wendling <wendling@apple.com>
7183 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7185 2006-08-24 Jan Hubicka <jh@suse.cz>
7187 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7189 2006-08-24 Jan Hubicka <jh@suse.cz>
7192 * cgraph.c: Fix comments.
7193 (cgraph_varpool_mark_needed_node): Mark only variables not already
7195 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7196 (cgraph_varpool_assembled_nodes_queue): New static variable.
7197 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7198 (cgraph_varpool_output_debug_info): New function.
7199 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7200 * Makefile.in: Add gt-cgraphunit.h
7202 2006-08-24 Jan Hubicka <jh@suse.cz>
7204 * predict.c (probability_reliable_p): New predicate.
7205 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7206 (predict_loops): Do not predict loop exit with less than 2%
7208 * basic-block.h (edge_probability_reliable_p,
7209 br_prob_note_reliable_p): Declare.
7210 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7211 prediction when static predictor is not reliable.
7212 * rs6000.c (output_cbranch): Likewise.
7214 2006-08-23 Stuart Hastings <stuart@apple.com>
7217 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7218 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7220 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7223 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7224 complex values, nor for generic vector values.
7226 2006-08-22 Richard Guenther <rguenther@suse.de>
7229 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7230 parameter. Convert arguments to arithmetic expression to the
7232 (analyze_scalar_evolution_1): Adjust caller.
7234 2006-08-22 Jan Hubicka <jh@suse.cz>
7236 Patch by Paolo Bonzini
7237 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7240 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7242 PR tree-optimization/28003
7243 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7244 before grouping aliases.
7246 2006-08-22 Roger Sayle <roger@eyesopen.com>
7248 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7249 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7251 2006-08-21 Jason Merrill <jason@redhat.com>
7254 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7255 wrapper. Loop to handle nested wrappers.
7256 (gimplify_bind_expr): Remove temp parameter.
7257 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7258 and STATEMENT_LIST on the rhs.
7259 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7260 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7261 (gimplify_target_expr): Remove special BIND_EXPR handling.
7263 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7265 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7268 2006-08-21 Olivier Hainque <hainque@adacore.com>
7270 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7271 Arrange for the temporary captures of components overlapping the lhs
7272 to happen before the lhs is possibly cleared.
7274 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7276 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7277 necessary places to pass the correct "number of registers" values
7280 2006-08-20 Jan Hubicka <jh@suse.cz>
7282 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7283 (create_name_tags): Instead of quadratic checking use hashtable.
7284 * bitmap.h: Include hashtab.h.
7285 (bitmap_hash): Declare.
7286 * bitmap.c (bitmap_hash): New function.
7288 2006-08-20 Jan Hubicka <jh@suse.cz>
7290 PR rtl-optimization/28071
7291 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7293 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7294 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7295 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7296 cgraph_decide_inlining_incrementally): Update use of
7297 cgraph_check_inline_limits.
7298 * cgraph.c (edge_hash, edge_eq): New function.
7299 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7300 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7301 cgraph_remove_node): Maintain call site hash.
7302 * cgraph.h (struct cgraph_node): Add call_site_hash.
7303 (cgraph_set_call_stmt): New function.
7305 2006-08-20 Jan Hubicka <jh@suse.cz>
7307 PR rtl-optimization/28071
7308 * reload1.c (reg_has_output_reload): Turn into regset.
7309 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7310 choose_reload_regs, emit_reload_insns): Update to new
7311 reg_has_output_reload.
7313 2006-08-20 Jan Hubicka <jh@suse.cz>
7316 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7317 function body sizes.
7318 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7320 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7323 * tree.c (handle_dll_attribute): Return early if not a
7324 var or function decl.
7326 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7329 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7330 alignment of SPE vector types.
7332 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7334 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7336 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7339 * cgraph.h (struct cgraph_node): Remove externally_visible
7341 * cgraphunit.c (process_function_and_variable_attributes): Set
7342 local.externally_visible rather than externally_visible.
7345 * c-common.c (handle_externally_visible_attribute): First look
7346 at TREE_CODE and only if it is function or var decl, check for
7347 non-public objects. Don't warn for DECL_EXTERNAL.
7348 * cgraphunit.c (process_function_and_variable_attributes): Warn
7349 if externally_visible attribute is used on non-public object.
7351 2006-08-17 Jan Hubicka <jh@suse.cz>
7353 PR tree-optimization/27865
7354 * reload1.c (forget_marked_reloads): New function.
7355 (forget_old_reloads_1): When data are passed, just mark the registers
7357 (reload_as_needed): Use the new mechanizm.
7359 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7362 * reload.h (reg_equiv_alt_mem_list): New declaration.
7363 * reload1.c (reg_equiv_alt_mem_list): New definition.
7364 (reload): Initialize it and release it.
7365 (delete_output_reload): Use it.
7366 * reload.c (push_reg_equiv_alt_mem): New function.
7367 (find_reloads_toplev): Call it.
7368 (find_reloads_address, find_reloads_address_1): Likewise.
7369 (find_reloads_subreg_address): Likewise.
7371 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7373 PR rtl-optimization/28489
7374 * sched-ebb.c (begin_schedule_ready): Create basic block
7376 (advance_target_bb): Skip empty blocks.
7377 * haifa-sched.c (bb_note): Make global.
7378 * sched-int.h (bb_note): Add prototype.
7380 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7382 PR tree-optimization/27865
7383 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7385 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7386 fold_used_pointer, pointer_used_p): New functions.
7387 (analyze_scalar_evolution_1): Use fold_used_pointer.
7388 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7389 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7392 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7395 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7396 or the INTEGER_CST. Fail on a CALL_EXPR.
7397 (fold_offsetof): Pass new argument to fold_offsetof_1.
7398 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7399 operand into an INDIRECT_REF.
7400 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7402 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7404 PR gcov/profile/26570
7405 * value-prof.c (static_values): Removed.
7406 (tree_find_values_to_profile): Do not set static_values.
7407 (find_values_to_profile): Do not free static_values.
7408 * profile.c (instrument_values): Do not free the values.
7409 (branch_prob): Free the values.
7411 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7413 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7415 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7418 * c-typeck.c (build_component_ref): Combine qualifiers of
7419 structure or union and field.
7421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7423 PR rtl-optimization/28071
7424 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7425 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7426 * tree-into-ssa.c (struct dom_dfsnum): New.
7427 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7429 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7430 compute_global_livein.
7431 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7432 in phi nodes in the correct blocks.
7434 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7436 PR tree-optimization/28364
7437 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7439 (fold_affine_expr): New function.
7440 (may_eliminate_iv): Use fold_affine_expr.
7442 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7445 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7448 2006-08-16 Mike Stump <mrs@apple.com>
7450 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7451 * doc/cppopts.texi (-MD): Likewise.
7453 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7456 * c-common.c (handle_weak_attribute): Ignore and warn if
7457 not a FUNCTION_ or VAR_DECL.
7459 2006-07-15 Mike Stump <mrs@apple.com>
7462 * c-parser.c (c_parser_typeof_specifier): Don't use
7463 c_finish_expr_stmt, open code desired semantics instead.
7465 2006-08-15 Nick Clifton <nickc@redhat.com>
7467 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7468 fragment to tmake_file only if threads are enabled.
7469 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7470 * config/i386/t-gthr-win32: New file. ... here.
7472 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7475 * c-parser.c (c_parser_compound_statement_nostart): Reset
7476 parser->error after each statement.
7478 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7481 * omp-low.c (lower_omp_parallel): Convert t to
7482 receiver_decl's type.
7483 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7484 source before comparison.
7487 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7488 to itype in assignment to oldival2.
7490 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7494 * c-typeck.c (build_compound_expr): If the second expression
7495 is an error mark, then just return an error mark instead of
7496 creating a COMPOUND_EXPR.
7498 2006-07-14 Mike Stump <mrs@apple.com>
7500 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7502 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7504 * c-decl.c, var-tracking.c: Fix comment typos.
7506 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7508 PR rtl-optimization/28634
7509 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7510 for floating-point modes unless flag_unsafe_math_optimizations.
7512 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7513 Andrew Pinski <pinskia@physics.uc.edu>
7516 * tree.c (build_array_type): Unify array types with
7517 unspecified index_type.
7518 * c-decl.c (grokdeclarator): Make sure we do not modify a
7519 unified incomplete array type.
7520 * c-typeck.c (store_init_value): Create distinct type before
7521 filling in the index type in an initializer from a compound
7524 * c-decl.c (grokdeclarator): Remove code where we copy the
7527 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7529 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7530 into account for TODO_dump_cgraph.
7531 (TODO_update_ssa_no_phi): Likewise.
7532 (TODO_update_ssa_full_phi): Likewise.
7533 (TODO_update_ssa_only_virtuals): Likewise.
7534 (TODO_remove_unused_locals): Likewise.
7535 (TODO_set_props): Likewise.
7536 (TODO_update_stmt_usage): Likewise.
7538 2006-08-13 Dirk Mueller <dmueller@suse.de>
7540 * c-common.c (strict_aliasing_warning): Fix formatting.
7542 2006-08-13 Matthias Klose <doko@debian.org>
7544 * doc/invoke.texi: Fix spelling errors.
7546 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7548 PR rtl-optimization/23454
7549 * reorg.c (relax_delay_slots): Update comment.
7551 2006-08-11 Richard Guenther <rguenther@suse.de>
7554 * simplify-rtx.c (simplify_const_relational_operation):
7555 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7558 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7560 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7561 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7563 2006-08-10 Paul Brook <paul@codesourcery.com>
7565 * final.c (final_scan_insn): Clear current_insn_predicate before
7566 outputting inline asm.
7568 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7570 PR tree-optimization/26197
7571 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7572 get_ref_base_and_extent and overlap_subvar to add only relevant
7573 subvars as may-aliases.
7574 (add_may_alias_for_new_tag): New function, factored out of
7576 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7577 with additional argument.
7578 * tree-flow.h (new_type_alias): Takes additional argument.
7580 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7582 * gcov.c (no_data_file): New flag.
7583 (read_count_file): Set it if data file not present. Assume counts
7585 (output_lines): Don't name the data file, if there wasn't one.
7587 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7589 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7590 (rs6000_generate_compare): Tweak comments.
7591 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7593 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7595 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7596 (var_debug_decl): New function.
7597 (var_reg_set): Follow debug decl link. Add location even if
7598 reg is already known to hold some other variable.
7599 (var_mem_set): Follow debug decl link.
7600 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7601 decl link. Delete other known locations of the variable part
7603 (var_reg_delete, var_mem_delete): Delete other known locations
7604 of the variable part if requested.
7605 (same_variable_part_p): New function.
7606 (add_stores): Select MO_COPY when appropriate.
7607 (vt_initialize): Handle it.
7608 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7609 known locations for MO_SET and MO_CLOBBER.
7610 (find_variable_location_part): New function.
7611 (set_variable_part, delete_variable_part): Use it.
7612 (clobber_variable_part): New function.
7613 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7616 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7618 PR tree-optimization/26969
7619 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7620 with an empty list of PHIs.
7622 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7626 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7629 2006-08-06 Andreas Schwab <schwab@suse.de>
7631 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7632 string. Whitespace and comment fixup.
7634 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7637 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7641 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7644 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7646 2006-08-04 Jan Hubicka <jh@suse.cz>
7650 * reload.c (push_reload): Patch out the mismatching instruction;
7652 (find_reload): Bail out if the instruction was patched out.
7654 2006-08-04 Jan Hubicka <jh@suse.cz>
7656 PR tree-optimization/24888
7657 * tree-inline.c (expand_call_inline): Do not re-record variables.
7658 (declare_inline_vars): Add variable to unexpanded_var_list.
7660 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7661 Roger Sayle <roger@eyesopen.com>
7663 PR rtl-optimization/26244
7664 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7665 inner_const are negative or greater than or equal to the bitsize of
7666 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7667 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7668 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7669 CONST0_RTX (mode) when the new shift count is greater than or equal to
7670 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7673 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7675 * tree-cfg.c: Fix a comment typo.
7677 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7680 * varasm.c (output_constant): Give the front end another chance to
7681 expand constants, after stripping NOPs.
7683 2006-08-03 Jan Hubicka <jh@suse.cz>
7685 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7688 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7690 PR tree-optimization/27770
7691 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7692 declaration removed (moved to tree-flow.h).
7693 (vect_can_force_dr_alignment_p): Likewise.
7694 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7695 (moved from tree-vectorizer.h).
7696 (vect_can_force_dr_alignment_p): Likewise.
7697 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7698 from outside the vectorizer - in particular from cgraph stage.
7699 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7700 the alignment of global arrays when -fsection-anchors is enabled.
7701 * cgraphunit.c (cgraph_increase_alignment): New function.
7702 (cgraph_optimize): Call cgraph_increase_alignment.
7704 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7707 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7708 not reload a SPE symbol_ref into a lo_sum address.
7710 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7713 * dwarf2out.c (prune_unused_types_prune): Move call to
7714 prune_unused_types_update_strings to cover the parent DIE also.
7716 2006-08-02 Jan Hubicka <jh@suse.cz>
7718 PR gcov/profile/28480
7719 * tree-cfg.c (change_bb_for_stmt): New function.
7720 (tree_merge_blocks, tree_split_blocks): Use it.
7722 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7728 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7729 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7730 (cgraph_optimize): Likewise.
7732 2006-08-01 Stuart Hastings <stuart@apple.com>
7734 * rtl.h (UINTVAL) New.
7735 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7736 * testsuite/gcc.dg/20060801-1.c: New.
7738 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7741 * c-typeck.c (build_external_type): Mark used enum types.
7742 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7744 (gen_subprogram_die): Whitespace fix.
7746 2006-08-01 Jan Hubicka <jh@suse.cz>
7748 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7749 bitmap when not needed.
7750 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7753 2006-08-01 Dirk Mueller <dmueller@suse.de>
7755 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7757 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7759 * Makefile.in: Revert part of previous patch:
7760 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7763 2006-07-30 Eric Christopher <echristo@apple.com>
7766 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7767 (PowerPC Variable Attributes): New section.
7769 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7771 PR target/28126 (partial fix)
7772 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7774 2006-07-28 Jan Hubicka <jh@suse.cz>
7776 PR rtl-optimization/28071
7777 * cfgrtl.c (rtl_delete_block): Free regsets.
7778 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7780 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7782 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7783 and variables used in dependencies.
7785 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7787 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7788 %fs for -mcmodel=kernel.
7789 (stack_tls_protect_test_di): Likewise.
7791 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7793 * Makefile.in: Use mkinstalldirs.
7795 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7798 * opts-common.c (prune_options): Skip joined switches.
7800 2006-07-27 Jan Hubicka <jh@suse.cz>
7802 PR rtl-optimization/28071
7803 * cselib.c (cselib_process_insn): Don't remove useless values too
7804 often for very large hashtables.
7806 2006-07-27 Jan Hubicka <jh@suse.cz>
7808 PR rtl-optimization/28071
7809 * global.c (greg_obstack): New obstack.
7810 (allocate_bb_info): Use it.
7811 (free_bb_info): Likewise.
7812 (modify_reg_pav): Likewise.
7814 2006-07-27 Roger Sayle <roger@eyesopen.com>
7816 * builtins.c (fold_fixed_mathfn): When long and long long are the
7817 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7818 functions to their lceil*, lfloor*, lround* and lrint* forms.
7820 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7823 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7825 (rev_branch_insn): Likewise.
7827 2006-07-27 Jan Hubicka <jh@suse.cz>
7829 PR rtl-optimization/28071
7830 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7831 (reg_set_in_bb, max_reg_computed): New static variables.
7832 (regmove_optimize): Free the new array.
7833 (fixup_match_1): Update call of reg_is_remote_constant_p.
7835 2006-07-26 Jan Hubicka <jh@suse.cz>
7837 PR tree-optimization/27882
7838 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7840 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7842 (cgraph_analyze_compilation_unit): Likewise.
7843 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7844 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7845 (cgraph_early_inlinine): Make order garbage collected.
7846 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7848 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7850 * dbxout.c (output_types_sort): Add a comment.
7851 (output_used_types): Free the VEC.
7853 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7855 * function.c (reorder_fix_fragments): Delete.
7856 (reorder_blocks): Don't call it.
7857 (reorder_blocks_1): Put all subblocks under the origin block.
7859 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7861 PR rtl-optimization/27907
7862 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7865 2006-07-25 Roger Sayle <roger@eyesopen.com>
7868 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7869 bar(x) check that bar's result type can represent all the values of T.
7871 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7873 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7875 2006-07-25 Nick Clifton <nickc@redhat.com>
7877 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7878 size_lookup[] array.
7879 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7880 (ggc_pch_count_object): Likewise.
7881 (ggc_pch_alloc_object): Likewise.
7882 (ggc_pch_write_object): Likewise.
7883 (init_ggc): Do not attempt to initialize entries in the
7884 size_lookup[] array for objects whose size is greater than than
7885 the length of the array.
7887 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7889 * dbxout.c (output_used_types_helper): Push queued types
7891 (output_types_sort): New.
7892 (output_used_types): Collect used types on a VEC and sort them
7895 2006-07-24 Richard Guenther <rguenther@suse.de>
7898 * cgraph.c (cgraph_remove_node): Do not check if dumps
7900 * cgraphunit.c (cgraph_optimize): Likewise.
7902 2006-07-24 Jan Hubicka <jh@suse.cz>
7904 PR rtl-optimization/28071
7905 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7906 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7907 splitting before first stmt.
7909 2006-07-24 Jan Hubicka <jh@suse.cz>
7911 PR rtl-optimization/28071
7912 * ipa-inline.c (update_caller_keys): Remove edges that
7913 are no longer inline candidates.
7915 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7918 * dbxout.c (output_used_types_helper, output_used_types): New.
7919 (dbxout_symbol): Call output_used_types.
7921 2006-07-23 Jan Hubicka <jh@suse.cz>
7925 * cgraph.c (cgraph_varpool_nodes): Export.
7926 (decide_is_variable_needed): Ignored "used" attribute in
7927 unit-at-a-time mode.
7928 * cgraph.h (cgraph_varpool_nodes): Declare.
7929 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7930 unit-at-a-time mode.
7932 2006-07-23 Roger Sayle <roger@eyesopen.com>
7935 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7936 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7937 the __gthrw form of thr_keycreate.
7938 (__gthread_key_delete): Silence the unused argument warning.
7940 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7943 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7944 Cache the last found '\0' marker to avoid quadratic behavior.
7946 2006-07-23 Jan Hubicka <jh@suse.cz>
7948 * i386.md (subsi_3_zext): Fix output template.
7950 2006-07-21 Mike Stump <mrs@apple.com>
7952 * doc/invoke.texi (C++ Dialect Options): Note that
7953 -fvisibility-inlines-hidden doesn't affect explicitly
7954 instantiationed inline methods.
7956 2006-07-20 Roger Sayle <roger@eyesopen.com>
7958 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7959 if the target assembler is GNU binutils' gas.
7960 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7961 whether to pass GNU gas or native as command line options.
7963 2006-07-20 Jason Merrill <jason@redhat.com>
7965 * tree.c (remove_attribute): New fn.
7966 * tree.h: Declare it.
7968 2006-07-20 Paul Brook <paul@codesourcery.com>
7971 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7972 they are invalidated by this instruction.
7974 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7977 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7979 2006-07-20 Eric Christopher <echristo@apple.com>
7982 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7984 2006-07-19 Eric Christopher <echristo@apple.com>
7986 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7987 Rewrite dependencies for libgcc_s.1.dylib.
7989 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7991 * except.c (duplicate_eh_regions_1): Clear next_peer.
7993 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7995 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7996 -mlongcall does not guarantee all calls will be long.
7997 * doc/extend.texi (long_call/short_call): Document that longcall
7998 does not guarantee a long call will be used.
7999 (longcall/shortcall): Likewise.
8001 2006-07-18 Roger Sayle <roger@eyesopen.com>
8004 * expmed.c (expand_shift): Additionally check that the shift_cost
8005 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8006 before implementing a LSHIFT_EXPR as a sequence of additions.
8007 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8008 middle-end that DImode shifts need to be synthesized by expand.
8010 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8013 * tree-ssa-operands.c (access_can_touch_variable): Update
8015 Return true if ALIAS is .GLOBAL_VAR.
8017 2006-07-18 David Daney <ddaney@avtrex.com>
8019 * gcc.c (display_help): Fix typo in help text.
8021 2006-07-18 Olivier Hainque <hainque@adacore.com>
8023 * tree.h (categorize_ctor_elements): Adjust prototype and add
8024 descriptive comment, both in accordance with the interface change
8026 * varasm.c (constructor_static_from_elts_p): New function.
8027 Whether a constructor node is a valid static constant initializer
8028 if all its elements are.
8029 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8030 * output.h: Declare it.
8031 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8032 is a valid constant initializer instead of computing the number of
8033 non-constant elements. Use constructor_static_from_elts_p for this
8034 purpose. Replace the head comment with an indication that this is a
8035 helper for categorize_ctor_elements.
8036 (categorize_ctor_elements): Same interface change as for the _1
8037 helper. Former head comment from this helper moved here, adjusted to
8038 account for the interface changes.
8039 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8040 (all_zeros_p): Likewise.
8041 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8042 static versions of the constructor from the categorize_ctor_elements
8043 return value instead of the formerly computed number of non-constant
8046 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8048 * configure: Regenerate.
8049 * Makefile.in (build_libsubdir): New configure substitution
8050 (build_libobjdir): New variable.
8051 (BUILD_LIBIBERTY): Use it.
8053 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8056 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8058 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8061 * c-common.c (handle_weakref_attribute): Ignore attribute in
8062 the same conditions the alias attribute is ignored.
8064 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8066 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8067 (dbxout_begin_prologue): Increment scope_labelno.
8069 2006-07-17 Richard Henderson <rth@redhat.com>
8072 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8075 2006-07-17 Roger Sayle <roger@eyesopen.com>
8076 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8078 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8079 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8080 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8081 functions such as sbrk, write, etc.. Add function prototypes.
8082 Convert function declarations from K&R to ISO C. Cast pointers
8083 to "long" and "unsigned long" instead of "int" and "unsigned int".
8084 Convert tokens following #endif into comments.
8086 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8088 * invoke.texi: Remove mention of f77; Reformat table for
8089 inline parameter options correctly; mention that -malign-double
8090 is default on x86-64 targets.
8092 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8094 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8095 (convert_affine_scev, chrec_convert_aggressive): Use
8096 avoid_arithmetics_in_type_p. Do not check for the subtypes
8099 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8102 * optabs.c (expand_doubleword_shift): Wrap the call to
8103 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8105 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8108 * optabs.c (expand_binop): Pass next_methods rather than methods
8109 to expand_doubleword_shift.
8111 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8114 * tree.h (dump_addr): Declare.
8115 * print-tree.c (dump_addr): New function.
8116 (print_node_brief, print_node): Use it.
8117 * print-rtl.c (print_rtx): Likewise.
8118 * common.opt (-fdump-noaddr): New option.
8119 * doc/invoke.texi (-fdump-noaddr): Document.
8120 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8121 (ve_info_hash): Likewise.
8123 2006-07-13 Andrew Haley <aph@redhat.com>
8125 PR tree-optimization/19505
8126 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8127 edge leaving this block, make sure that the destination of this
8128 block has only one predecessor.
8130 2006-07-17 Richard Guenther <rguenther@suse.de>
8132 PR tree-optimization/28238
8133 * tree-inline.c (copy_bb): Check if we produced valid
8134 gimple copying and substituting a stmt. If not, gimplify
8137 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8139 * optabs.c (maybe_encapsulate_block): New function extracted from...
8140 (emit_libcall_block): ...here. Invoke it on the block of insns to
8141 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8142 (emit_no_conflict_block): Likewise.
8144 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8146 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8148 2006-07-15 Roger Sayle <roger@eyesopen.com>
8150 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8151 a new NOP_EXPR case of the switch statement.
8153 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8156 * stor-layout.c (place_field): Take the bit field with
8157 an excessive size into account in the ms-bitfiled case.
8160 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8161 the previous bit field.
8163 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8166 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8168 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8170 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8171 signal frames correctly even when the signal was installed with
8174 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8176 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8177 (dbxout_function_end): Use local label LFBB. Remove hook
8179 (dbxout_source_line): Use local label LFBB.
8180 (dbxout_block): Likewise.
8181 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8182 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8183 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8184 and DBX_OUTPUT_NFUN.
8186 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8188 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8190 2006-07-13 Jan Hubicka <jh@suse.cz>
8192 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8194 * output.h (align_variable): Declare.
8195 * varasm.c (align_variable): Export.
8196 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8197 when basic block changed.
8199 2006-07-13 Nick Clifton <nickc@redhat.com>
8201 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8202 walking the LOG_LINKS chain.
8204 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8206 * doc/invoke.texi (C++ Dialect Options): Explain difference
8207 between -fvisibility-inlines-hidden and setting hidden
8208 visibility explicitly.
8210 2006-07-12 Eric Christopher <echristo@apple.com>
8212 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8213 (stmp-lipo): Depend on libgcc.a.
8215 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8217 * tree.c: Fix a comment typo.
8219 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8221 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8223 (umulhisi3_r): Likewise.
8225 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8228 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8229 x < 19, vs wchar_t support.
8231 2006-07-12 Nick Clifton <nickc@redhat.com>
8233 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8234 instead of -isa=sh4.
8236 2006-07-12 Mike Stump <mrs@apple.com>
8238 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8240 2006-07-10 Eric Christopher <echristo@apple.com>
8242 * config/t-slibgcc-darwin: Rewrite.
8244 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8247 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8250 2006-07-08 Matthias Klose <doko@debian.org>
8252 * doc/sourcebuild.texi: Fix typo.
8254 2006-07-07 Mike Stump <mrs@apple.com>
8256 * toplev.c (process_options): Don't give -ffunction-sections may
8257 affect debugging warning for Mach-O.
8259 2006-07-07 James E Wilson <wilson@specifix.com>
8261 * config/mips/mips.md (cpu): Add sb1a.
8262 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8263 addition to sb1. Adjust comments to clarify SB-1A differences from
8265 (ir_sb1a_load): New. Modify bypasses to use it.
8266 (ir_sb1a_simple_alu): Likewise.
8267 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8268 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8269 (mips_issue_rate): Add PROCESSOR_SB1A.
8270 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8271 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8272 (TARGET_SB1): Add PROCESSOR_SB1A check.
8273 (TUNE_SB1): Likewise.
8275 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8276 * config/mips/mips.c (mips_store_data_bypass_p): New.
8277 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8278 store_data_bypass_p.
8280 2006-07-08 Paul Brook <paul@codesourcery.com>
8283 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8285 2006-07-07 Richard Guenther <rguenther@suse.de>
8288 * tree.h (build_one_cst): Declare.
8289 * tree.c (build_one_cst): New function.
8290 * tree-ssa-math-opts.c (get_constant_one): Remove.
8291 (insert_reciprocals): Use build_one_cst.
8292 * fold-const.c (fold_plusminus_mult): Likewise.
8294 2006-07-07 Roger Sayle <roger@eyesopen.com>
8296 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8297 * cfgloopanal.c (dump_graph): Likewise.
8298 * dojump.c (discard_pending_stack_adjust): Likewise.
8299 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8301 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8302 * function.c (finalize_block_changes): Likewise.
8303 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8304 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8305 * rtl.c (dump_rtx_statistics): Likewise.
8306 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8308 * varray.c (dump_varray_statistics): Likewise.
8309 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8310 decode_decimal64, encode_decimal128, decode_decimal128,
8311 decimal_real_to_decimal): Likewise.
8313 2006-07-07 Richard Guenther <rguenther@suse.de>
8315 PR tree-optimization/28187
8316 * tree-vrp.c (vrp_operand_equal_p): New function.
8317 (vrp_bitmap_equal_p): Likewise.
8318 (update_value_range): Use them to compare old and new
8321 2006-07-06 Roger Sayle <roger@eyesopen.com>
8323 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8324 a default case to switch statement to silence compiler warnings.
8326 2006-07-06 Roger Sayle <roger@eyesopen.com>
8329 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8330 the configured assembler supports the x87's ffreep mnemonic.
8331 * configure: Regenerate.
8332 * config.in: Regenerate.
8334 * config/i386/i386.c (output_387_ffreep): New function.
8335 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8336 (output_387_reg_move): Likewise.
8338 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8340 Port to hosts whose 'sort' and 'tail' implementations
8341 treat operands with leading '+' as file names, as POSIX
8342 has required since 2001. However, make sure the code still
8343 works on pre-POSIX hosts.
8344 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8345 which says you should use "tail -c +N" rather than "tail +Nc".
8346 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8348 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8350 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8353 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8356 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8357 PRE_{INC,DEC} of TFmode.
8359 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8360 Alan Modra <amodra@bigpond.net.au>
8363 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8366 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8369 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8370 Remove duplicate gtu.
8372 2006-07-05 Jason Merrill <jason@redhat.com>
8376 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8377 * c-common.c (handle_packed_attribute): So don't copy it here.
8378 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8380 2006-07-05 Mike Stump <mrs@apple.com>
8382 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8384 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8387 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8389 2006-07-05 Richard Guenther <rguenther@suse.de>
8392 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8393 TARGET_SSE2 targets if using SSE math.
8394 (*absdf2_1): Likewise.
8396 2006-07-05 Richard Guenther <rguenther@suse.de>
8398 PR tree-optimization/28162
8399 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8400 make sure to convert the operands to the correct type.
8402 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8404 PR tree-optimization/28218
8406 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8407 to calculate and free the dominator information.
8409 2006-07-04 Peter O'Gorman <peter@pogma.com>
8411 * mklibgcc.in: chmod 644 before ranlib during install.
8413 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8414 J"orn Rennecke <joern.rennecke@st.com>
8416 * configure.ac (.eh_frame data check): Use diff -b.
8418 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8421 * Makefile.in (BUILD_RTL): Add build/vec.o.
8422 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8423 (build/genextract): Delete.
8424 (build/genautomata): Likewise.
8426 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8429 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8430 128-bit IBM long doubles for ABI_V4.
8432 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8434 * tree.c (range_in_array_bounds_p): New predicate.
8435 * tree.h (range_in_array_bounds_p): Declare it.
8436 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8437 return a less conservative answer.
8438 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8439 and flag 'is_group'.
8440 (IS_ELEMENT_FOR_GROUP): New macro.
8441 (FOR_EACH_ACTUAL_CHILD): Likewise.
8442 (next_child_for_group): New helper function.
8443 (can_completely_scalarize_p): Take into account groups.
8444 (sra_hash_tree): Handle RANGE_EXPR.
8445 (sra_elt_eq): Likewise.
8446 (lookup_element): Be prepared for handling groups.
8447 (is_valid_const_index): Delete.
8448 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8449 instead of is_valid_const_index.
8450 <ARRAY_RANGE_REF>: New case.
8451 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8452 is_valid_const_index.
8453 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8454 (scan_dump): Dump info for groups too.
8455 (decide_instantiation_1): Likewise.
8456 (decide_block_copy): Assert that the element is not a group.
8457 Propagate decision to groups.
8458 (generate_one_element_ref): Handle RANGE_EXPR.
8459 (mark_no_warning): Iterate over actual childs.
8460 (generate_copy_inout): Likewise.
8461 (generate_element_copy): Likewise.
8462 (generate_element_zero): Likewise.
8463 (generate_element_init_1): Likewise.
8464 (dump_sra_elt_name): Handle RANGE_EXPR.
8466 2006-07-03 Roger Sayle <roger@eyesopen.com>
8468 PR tree-optimization/26251
8469 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8470 (thread_block): When optimizing for size refuse to thread jumps
8471 that would require duplication of blocks other than redirection
8474 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8476 * configure.ac: Fix thinko in previous check-in.
8477 * configure: Regenerate.
8479 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8482 * configure.ac (for lang...): Simplify nesting of conditionals.
8483 Test subdir_requires for non-enabled languages. Move processing
8484 of lang_opt_files and lang_tree_fiels below that test.
8485 * configure: Regenerate.
8486 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8488 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8490 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8492 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8494 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8497 2006-06-29 Jason Merrill <jason@redhat.com>
8504 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8505 * c-common.c (c_determine_visibility): Handle it here.
8506 * c-decl.c (finish_decl): Call c_determine_visibility for
8508 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8510 * varasm.c (default_assemble_visibility): Likewise.
8511 * c-common.c (handle_visibility_attribute): Complain about trying
8512 to give visibility to an already defined class, or trying to change
8513 declared visibility. Always attach the attribute.
8518 * attribs.c (decl_attributes): Ignore type-in-place attributes
8519 once the type has been defined.
8521 2006-06-29 Roger Sayle <roger@eyesopen.com>
8524 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8525 to indicate the cpplib has issued an error message for us.
8527 2006-06-29 Asher Langton <langton2@llnl.gov>
8530 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8531 insert a label at the end of an function under Mach-O.
8533 2006-06-29 Eric Christopher <echristo@apple.com>
8534 Evan Cheng <evan.cheng@apple.com>
8536 * predicates.md (vector_all_ones_operand): New.
8537 (nonimmediate_or_sse_const_operand): Ditto.
8538 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8539 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8540 (standard_sse_mode_p): Ditto.
8541 (standard_sse_constant_p): Add case for -1 vector.
8542 (ix86_expand_vector_move): Try to use.
8543 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8544 Call standard_sse_constant_opcode.
8545 (*movv4sf_internal): Ditto.
8546 (*movv2df_internal): Ditto.
8548 2006-06-29 Roger Sayle <roger@eyesopen.com>
8550 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8551 of XEXP to extract the operands of a MATCH_CODE rtx.
8553 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8555 * tree.c (tree_size): Do not waste tail padding in
8556 struct tree_string and make the size be the same as
8557 build_string will generate.
8559 2006-06-28 Jason Merrill <jason@redhat.com>
8562 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8563 may_aliases already in the tag's annotations to the bitmap.
8565 2006-06-28 Roger Sayle <roger@eyesopen.com>
8567 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8569 2006-06-28 Roger Sayle <roger@eyesopen.com>
8571 * genpreds.c (generate_switch_p): New function.
8572 (add_mode_tests): Push the new mode test down inside an AND expr
8573 if this allows the switch-suitable MATCH_CODE to be near the root.
8574 (write_match_code_switch): New function to write a MATCH_CODE as
8576 (write_predicate_stmts): New function to write a predicate RTX
8577 expression as a sequence of statements.
8578 (write_one_predicate_function): Use write_predicate_stmts.
8579 (write_tm_constrs_h): Likewise.
8581 2006-06-26 Fred Fish <fnf@specifix.com>
8583 * config/mips/t-sb1: New file.
8584 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8587 2006-06-26 DJ Delorie <dj@redhat.com>
8589 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8591 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8592 Jayant Sonar <jayants@kpitcummins.com>
8593 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8595 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8596 (subsi3, subsi3_1, subsi3_2): New.
8597 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8598 * config/m32c/mov.md (SI mov peephole): New.
8599 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8600 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8602 2006-06-26 Olivier Hainque <hainque@adacore.com>
8604 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8605 a CALL_EXPR target function declaration.
8607 2006-06-26 Richard Guenther <rguenther@suse.de>
8609 * tree.c (build_string): Do not waste tail padding in
8612 2006-06-26 Richard Guenther <rguenther@suse.de>
8614 * ggc-page.c (init_ggc): Add missing element to size_lookup
8618 2006-06-23 Richard Guenther <rguenther@suse.de>
8620 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8621 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8622 alignment requests instead. Add verification code.
8623 Add struct tree_function_decl and struct tree_binfo size to
8624 extra_order_size_table. Add missing element to size_lookup
8627 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8630 * fold-const.c (const_binop): Be prepared for self returning zero.
8631 Simplify code handling complex values.
8633 2006-06-24 Olivier Hainque <hainque@adacore.com>
8635 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8636 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8639 2006-06-24 Olivier Hainque <hainque@adacore.com>
8641 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8642 ARRAY_REF, so have the callback called for the low bound expression.
8644 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8646 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8647 * c-typeck.c (c_common_type): Disallow operations on decimal float
8648 types and other float types.
8649 * convert.c (convert_to_real): Don't ignore conversions involving
8650 decimal float types.
8652 2006-06-23 Olivier Hainque <hainque@adacore.com>
8654 * tree.c (max_int_size_in_bytes): New function, inspired from
8655 code in function.c:assign_temp.
8656 * tree.h (max_int_size_in_bytes): Declare.
8657 * function.c (assign_temp): Use it.
8658 * gimplify.c (create_tmp_var): Relax the assertions on the type
8659 properties, not mandating constant size any more.
8660 (force_constant_size): New static function.
8661 (gimple_add_tmp_var): Use it, forcing variable size to a
8662 constant upper bound if it is not constant on entry.
8664 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8667 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8668 for initialization and setting of one_only flag to ...
8669 (i386_pe_encode_section_info): ...here.
8670 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8671 Recheck that the symbol has not been defined.
8673 2006-06-23 Richard Guenther <rguenther@suse.de>
8675 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8676 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8677 alignment requests instead. Add verification code.
8678 Add struct tree_function_decl and struct tree_binfo size to
8679 extra_order_size_table. Add missing element to size_lookup
8682 2006-06-22 Roger Sayle <roger@eyesopen.com>
8683 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8686 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8687 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8689 2006-06-23 Ben Elliston <bje@au.ibm.com>
8691 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8692 negate dn -- manipulate it directly.
8694 2006-06-22 Roger Sayle <roger@eyesopen.com>
8695 Steven Bosscher <stevenb.gcc@gmail.com>
8698 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8699 generated by gen_move_insn to add REG_LABEL notes if necessary.
8701 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8703 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8704 (leaf_entry): Remove use of MIN_ESA.
8706 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8708 PR rtl-optimization/28121
8709 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8712 2006-06-21 DJ Delorie <dj@redhat.com>
8714 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8716 (mulhisi3_r): Likewise.
8718 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8721 * coverage.c (coverage_counter_alloc): Leave the index type
8723 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8726 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8728 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8729 section from the "Options for Code Generation Conventions".
8731 2006-06-21 Richard Henderson <rth@redhat.com>
8735 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8737 (global_symbolic_operand): Allow weak symbols, even if local_p.
8739 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8741 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8742 (find_interesting_uses_address): Punt if above function returns true.
8744 2006-06-21 Richard Guenther <rguenther@suse.de>
8746 * configure: Regenerated.
8748 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8750 * config/mips/mips.c (function_arg): Where one part of a
8751 complex argument is in registers and the other part in the stack,
8752 return a REG not a PARALLEL.
8754 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8756 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8757 when cross-compiling. Do not substitute libstdcxx_incdir.
8758 * configure: Regenerated.
8760 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8762 * varasm.c (mergeable_string_section): Check for embedded NULs and
8763 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8764 rather than TREE_STRING_LENGTH bytes.
8766 2006-06-21 Richard Guenther <rguenther@suse.de>
8768 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8769 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8772 2006-06-21 Richrad Guenther <rguenther@suse.de>
8774 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8775 Limit iteration over the dominators.
8777 2006-06-20 Roger Sayle <roger@eyesopen.com>
8779 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8780 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8782 2006-06-20 Richard Guenther <rguenther@suse.de>
8783 Michael Matz <matz@suse.de>
8785 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8787 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8788 * et-forest.h (et_free_pools): Prototype new function.
8789 * et-forest.c (et_free_tree_force): Free parent occurrence.
8790 (et_free_pools): New function.
8791 * dominance.c (free_dominance_info): Free et-forest alloc
8794 2006-06-20 Roger Sayle <roger@eyesopen.com>
8796 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8797 integer modes, attempt to directly construct an integer constant.
8799 * fold-const.c (native_encode_vector): Determine the size of each
8800 element from the vector type instead of the first vector element.
8802 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8803 if all of its elements/components are constant.
8804 (build_constructor_from_list): Likewise.
8806 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8808 PR tree-optimization/27331
8809 * tree-data-ref.c (free_data_ref): New function.
8810 (create_data_ref): Fail if the data reference has unknown access
8812 (free_data_refs): Use free_data_ref.
8814 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8817 * tree-inline.c (setup_one_parameter): Strip useless
8818 type conversion before adding it to the IR.
8819 (declare_return_variable): Likewise.
8821 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8824 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8826 2006-06-19 Mike Stump <mrs@apple.com>
8828 * tree.c (variably_modified_type_p): VM arguments don't make the
8831 2006-06-19 Richard Guenther <rguenther@suse.de>
8833 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8834 type conversions after folding.
8836 2006-06-19 Richard Guenther <rguenther@suse.de>
8838 * ggc-page.c (extra_order_size_tab): Add entries with
8839 size of struct function and basic_block.
8840 (size_lookup): Extend to cover sizes up to 511.
8841 (ggc_alloc_stat): Adjust user.
8842 (ggc_pch_count_object): Likewise.
8843 (ggc_pch_alloc_object): Likewise.
8844 (ggc_pch_write_object): Likewise.
8846 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8848 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8849 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8852 2006-06-19 Denis Chertykov <denisc@overta.ru>
8854 * config/avr/libgcc.S : Correct my wrong previous commit.
8856 2006-06-19 Roger Sayle <roger@eyesopen.com>
8859 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8860 have stripped a SUBREG from the shift count, so we may need to
8861 convert_to_mode back to the type's mode before calling make_tree.
8862 Use new_amount instead of amount to avoid expanding a tree twice.
8864 2006-06-19 Richard Guenther <rguenther@suse.de>
8867 * fold-const.c (operand_equal_p): Check if the argument types
8868 have the same precision before stripping NOPs.
8870 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8872 Fix PR tree-optimization/27341
8873 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8875 * tree-complex.c (pass_lower_complex): Update SMT usage.
8877 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8879 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8880 Add a new alternative to the constraint strings. Add move of
8881 operand 1 to 3 to the splitter definition.
8882 ("doloop_si_long"): Second contraint alternative removed.
8884 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8886 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8887 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8889 (AVR_HAVE_MOVW) Define.
8890 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8891 (ASM_SPEC): Add avr25.
8892 (LINK_SPEC): Add avr25.
8893 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8894 (base_arch_s): Add new member 'have_movw_lpmx'.
8895 (avr_arch_types): Init 'have_movw_lpmx'.
8896 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8897 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8898 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8899 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8900 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8902 (avr_file_start): Do not output '.arh' derective.
8903 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8904 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8905 * config/avr/avr.md (mcu_enhanced): Delete.
8906 (mcu_have_movw): Define.
8907 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8908 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8909 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8910 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8911 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8912 attiny861 and at86rf401 devices.
8914 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8916 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8919 2006-06-17 Karl Berry <karl@gnu.org>
8921 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8922 doc/gccint.texi, doc/install.texi (@dircategory): Use
8923 "Software development" instead of "Programming", following
8924 the Free Software Directory.
8926 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8928 * config/i386/i386.c (legitimate_tls_address)
8929 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8930 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8931 (*tls_dynamic_gnu2_combine_64): Likewise.
8933 2006-06-16 Richard Guenther <rguenther@suse.de>
8936 * fold-const.c (negate_expr_p): Do not introduce undefined
8937 overflow in negating INTEGER_CSTs.
8938 (fold_negate_expr): Rename from negate_expr. Revert last
8939 change for folding BIT_NOT_EXPR. Change semantics to
8940 return NULL_TREE for non-simplified negations. Do not
8941 strip type conversions and unify type handling.
8942 (negate_expr): New function, wrap around fold_negate_expr
8943 but ensure building a tree always. Strip type conversions
8944 here, fold to result type.
8945 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8947 2006-06-16 Roger Sayle <roger@eyesopen.com>
8950 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8951 that (would) return their results in stack registers.
8953 2006-06-16 Michael Matz <matz@suse.de>
8954 Richard Guenther <rguenther@suse.de>
8956 * fold-const.c (fold_truthop): Only return new tree node if
8957 we canonicalized something.
8959 2006-06-16 Richard Guenther <rguenther@suse.de>
8961 * function.h (enum function_frequency): Move declaration
8962 out of struct function.
8963 (struct function): Move bool fields and the enum to the bitfield
8964 section. Reorder elements to avoid padding. Remove unused
8965 fields left over from the RTL inliner removal.
8966 * function.c (free_after_compilation): Do not zero removed fields.
8967 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8968 (ipa-type-escape.o): Likewise.
8970 2006-06-16 Richard Guenther <rguenther@suse.de>
8972 * cgraph.h (struct cgraph_local_info): Turn bool elements
8974 (struct cgraph_node): Likewise.
8975 (struct cgraph_varpool_node): Likewise.
8977 2006-06-15 Richard Guenther <rguenther@suse.de>
8979 * fold-const.c (fold_truth_not_expr): Rename from
8980 invert_truthvalue. Give it fold_* semantics to avoid
8982 (invert_truthvalue): New function. Wrapper around
8983 fold_truth_not_expr.
8984 (optimize_minmax_comparison): Avoid creating garbage.
8985 (fold_unary): Use fold_truth_not_expr for folding
8987 (fold_ternary): Replace uses of invert_truthvalue with
8988 fold_truth_not_expr where applicable.
8989 * tree.h (fold_truth_not_expr): Prototype.
8991 2006-06-16 Richard Guenther <rguenther@suse.de>
8993 PR tree-optimization/27781
8994 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8995 * ipa-pure-const.c (target.h): Include.
8996 (analyze_function): Do not analyze functions that do not
8999 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9002 * tree-dfa.c (referenced_vars_dup_list): Remove.
9003 (find_referenced_vars): Remove assert.
9004 (referenced_var_check_and_insert): Replace dup list with assert.
9005 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9006 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9008 2006-06-15 Richard Guenther <rguenther@suse.de>
9010 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9011 extra unused identifiers if not dumping.
9012 (create_variable_info_for): Likewise.
9014 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9016 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9017 (derive_constant_upper_bound): Derive more precise upper bound in
9018 common cases. Return type changed to double_int.
9019 (record_estimate): Reflect the changed return type of
9020 derive_constant_upper_bound.
9021 * double-int.c (double_int_zext, double_int_sext): Fix.
9023 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9025 * configure.ac (CFLAGS): Get them from the toplevel or from the
9026 configure invocation.
9027 * configure: Regenerate.
9028 * Makefile.in (CFLAGS): Substitute value provided by configure.
9030 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9033 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9034 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9035 rather than calling add_stmt on it.
9036 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9038 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9041 * reload1.c (reload): Remove registers returned by update_eliminables
9042 from used_spill_regs.
9044 2006-06-13 DJ Delorie <dj@redhat.com>
9046 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9048 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9050 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9051 html__strip_dir, html__mkdir_p. Enhance install-html target.
9052 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9053 * configure: Regenerate.
9055 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9057 * fold-const.c (fold_cond_expr_with_comparison): Check for
9058 Objective-C++ as language in deciding COND_EXPR transformation.
9060 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9063 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9064 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9065 * config/sh/lib1funcs.h (SL, SL1): Define.
9066 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9067 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9068 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9069 (OBJS_Os_4_200): New variable.
9070 ($(T)libgcc-Os-4-200.a): Use it.
9071 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9072 when dividing 1 and/or by 0.
9074 2006-06-13 Roger Sayle <roger@eyesopen.com>
9076 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9077 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9078 * configure: Regenerate.
9080 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9082 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9083 for real instruction.
9085 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9088 * haifa-sched.c (check_cfg): Handle special case.
9090 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9093 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9094 Add debug_info parameter. Chain the vars to the BLOCK instead
9095 of the BIND_EXPR if debug info are requested for them.
9096 (pop_gimplify_context): Adjust for above change.
9097 (gimple_add_tmp_var): Likewise.
9098 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9100 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9101 (convert_local_reference): Likewise.
9102 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9103 (finalize_nesting_tree_1): Request that debug info be emitted
9104 for debug_var_chain.
9106 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9108 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9109 for PR target/27863.
9111 2006-06-13 Richard Guenther <rguenther@suse.de>
9114 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9116 2006-06-13 Richard Guenther <rguenther@suse.de>
9118 PR tree-optimization/27830
9119 * tree-inline.c (copy_body_r): For copying the operand
9120 of an ADDR_EXPR make sure to fold &* afterwards.
9122 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9124 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9125 lvalues in the fb_none case with side-effects.
9127 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9129 * tree-flow.h: Remove the prototype for
9130 compute_phi_arg_on_exit.
9131 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9132 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9135 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9137 * builtins.c (expand_builtin_return_addr): Only use
9138 frame_pointer_rtx when count == 0 and we are expanding
9139 __builtin_return_address.
9141 2006-06-12 Fred Fish <fnf@specifix.com>
9143 * config/mips/mips.c (mips_file_start): Create special section
9144 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9146 2006-06-11 Eric Christopher <echristo@apple.com>
9149 * stor-layout.c (place_field): Remove check for
9150 remaining_in_alignment when aligning at the end of a run.
9152 2006-06-11 Eric Christopher <echristo@apple.com>
9155 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9158 2006-06-11 Roger Sayle <roger@eyesopen.com>
9161 Revert incorrect fix for PR target/27158
9162 2006-05-08 Roger Sayle <roger@eyesopen.com>
9163 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9164 of a reg_equiv_constant if the result is a legitimate constant.
9166 2006-06-11 Roger Sayle <roger@eyesopen.com>
9169 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9170 extract a CONST_VECTOR element and interpret it as an integer.
9171 (vspltis_constant): Use const_vector_elt_as_int instead of the
9172 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9173 * config/rs6000/predicates.md (easy_vector_const): Consider
9174 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9176 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9179 * stor-layout.c (update_alignment_for_field): Don't add extra
9180 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9183 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9185 * config/mips/t-rtems: Add EL/EB multilib variants.
9187 2006-06-09 Mike Stump <mrs@apple.com>
9189 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9191 2006-06-09 David Daney <ddaney@avtrex.com>
9193 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9195 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9197 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9199 2006-06-09 Richard Guenther <rguenther@suse.de>
9201 PR tree-optimization/26998
9202 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9203 of signed types, only TYPE_MIN_VALUE is special, but for both,
9204 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9205 in this case, as is -fwrapv.
9207 2006-06-08 Mike Stump <mrs@apple.com>
9210 * config/darwin.c (darwin_asm_output_anchor): Disable
9211 -fsection-anchors on darwin for now.
9212 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9213 * rs6000/rs6000.c (optimization_options): Likewise.
9215 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9218 * config/i386/i386.c (classify_argument): Skip fields with invalid
9221 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9223 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9224 (cse_insn): Likewise for the stack_pointer_rtx.
9226 2006-06-08 Roger Sayle <roger@eyesopen.com>
9228 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9229 conditions from floating point comparisons.
9231 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9234 * expmed.c (struct alg_hash_entry): Fix type of field T
9235 to match synth_mult argument.
9236 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9238 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9241 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9244 2006-06-08 Richard Guenther <rguenther@suse.de>
9247 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9248 only, if overflow is defined and not trapping.
9249 (negate_expr): Likewise.
9251 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9253 PR tree-optimization/27872
9254 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9255 flag on the new exit edge of the unrolled loop.
9257 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9259 PR rtl-optimization/26449
9260 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9262 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9265 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9266 referenced_variables with matching DECL_UID's.
9267 (find_referenced_vars): Make sure duplicate list is empty to start.
9268 (referenced_var_p): Remove.
9269 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9270 Check if var is in the list, and add if needed. Update the duplicate
9271 list if a different var is in the list with the same DECL_UID.
9272 (add_referenced_var): Call routine to check and insert.
9273 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9274 * tree-flow.h (referenced_vars_dup_list): External declaration.
9276 2006-06-07 Fred Fish <fnf@specifix.com>
9278 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9281 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9284 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9285 the imaginary and real parts of a clobbered register.
9286 Emit insn to set the imaginary part.
9288 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9290 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9291 in lieu of unwind-dw2-fde.c.
9293 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9295 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9297 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9300 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9301 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9302 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9303 V4SImode temporaries and operations instead.
9305 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9307 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9310 2006-06-06 Mike Stump <mrs@apple.com>
9312 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9313 installing during build.
9315 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9317 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9319 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9320 * config/ia64/ia64.c (params.h): New header.
9321 (ia64_optimization_options): New function to adjust parameters.
9322 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9323 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9324 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9326 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9328 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9330 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9333 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9335 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9336 Victor Kaplansky <victork@il.ibm.com>
9338 PR tree-optimization/26360
9339 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9342 2006-06-04 Roger Sayle <roger@eyesopen.com>
9343 Andrew Pinski <pinskia@physics.uc.edu>
9346 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9347 for LABEL_DECL before calling DECL_WEAK.
9350 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9351 LABEL_DECL and PARM_DECL.
9353 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9357 * c-decl.c (grokdeclarator): Disallow variably modified types at
9358 file scope. Avoid marking shared array type of constant size as
9361 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9364 * c-common.c (fold_offsetof_1): Handle static members.
9366 2006-06-04 Eric Christopher <echristo@apple.com>
9368 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9369 (debug_rli): Output value for remaining_in_alignment.
9370 (update_alignment_for_field): Unconditionalize
9371 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9372 extra alignment code.
9373 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9374 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9375 * tree.h (record_layout_info_s): Remove prev_packed.
9376 * doc/extend.texi (ms_struct): Add documentation of format.
9378 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9380 * tree.h: Declare folding_initializer.
9381 * builtins.c (fold_builtin_constant_p): Give definite answer
9382 if folding inside an initializer.
9383 * fold-const.c: Define folding_initializer.
9384 (START_FOLD_INIT): Save and then set folding_initializer.
9385 (END_FOLD_INIT): Restore folding_initializer.
9387 2006-06-04 Richard Guenther <rguenther@suse.de>
9389 PR tree-optimization/27039
9390 * fold-const.c (fold_comparison): Handle pointer comparison
9391 again for all comparison codes. Compare offsets in signed
9393 (fold_binary): Move code from here.
9395 2006-06-03 Roger Sayle <roger@eyesopen.com>
9398 * config/i386/i386.c (construct_container): Split static issued_error
9399 flag into issued_sse_arg_error, issued_sse_ret_error and
9400 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9401 requires the use of x87 registers and the user explicitly
9402 specified the -mno-80387 command line option.
9404 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9406 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9407 HAVE_DECL_SIGALTSTACK.
9409 (segv_handler): Use MC_FLD.
9410 * configure.ac: Check for a sigaltstack declaration.
9411 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9412 * configure: Regenerate.
9413 * config.in: Regenerate.
9415 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9418 * Makefile.in (stmp-fixinc): Fix typo.
9420 2006-06-02 Roger Sayle <roger@eyesopen.com>
9422 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9423 are type correct. Clean-up.
9424 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9425 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9427 2006-06-01 DJ Delorie <dj@redhat.com>
9429 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9430 shift, as we've disabled the "switch" insn that needs it.
9432 2006-06-01 Per Bothner <bothner@bothner.com>
9434 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9435 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9436 * c-ppoutput.c (cb_define): Don't increment line 0.
9438 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9440 * doc/invoke.texi: Add cpu_type power6.
9441 * config.gcc: Add cpu_type power6.
9442 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9443 to power5+ with Altivec.
9444 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9445 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9447 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9449 * config/avr/avr.h (SET_ASM_OP): Define.
9451 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9453 * config/bfin/bfin.c: Fix comment typos.
9455 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9458 * doc/install.texi: Document --enable-bootstrap and
9459 --disable-bootstrap.
9461 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9463 * doc/install.texi: Document that InfoZIP can replace jar.
9465 2006-05-31 Roger Sayle <roger@eyesopen.com>
9467 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9468 isn't available, directly generate the simpler x87 patterns without
9469 the (use (const_int 0)).
9470 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9471 implementation isn't available.
9472 (*negdf2_1): Likewise.
9473 (*negxf2_1): XF mode negation is always done using the x87.
9474 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9476 2006-05-31 Roger Sayle <roger@eyesopen.com>
9478 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9479 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9481 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9483 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9485 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9486 * config/bfin/bfin.c (basic-block.h): Include.
9487 (struct machine_function): New.
9488 (bfin_init_machine_status): New.
9489 (override_options): Initialize init_machine_status.
9490 (bfin_hardware_loop): New.
9491 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9492 (DEF_VEC_P (loop_info)): New.
9493 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9494 (struct loop_info): New.
9495 (loop_info): New typedef.
9496 (struct loop_work): New.
9497 (loop_work): New typedef.
9498 (DEF_VEC_O (loop_work)): New.
9499 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9500 (bfin_dump_loops): New.
9501 (bfin_bb_in_loop): New.
9502 (bfin_scan_loop): New.
9503 (bfin_optimize_loop): New.
9504 (bfin_reorg_loops): New.
9505 (bfin_reorg): Use bfin_reorg_loops.
9506 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9508 (I_REGNO_P): Simplify.
9509 (DP_REGNO_P, DPREG_P): New macros.
9510 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9511 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9512 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9513 Add LT_REGS, LC_REGS, LB_REGS.
9514 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9516 (REGNO_REG_CLASS): Deal with loop registers.
9517 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9519 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9520 New constants for loop registers.
9521 (UNSPEC_LSETUP_END): New.
9522 (seq_insns): New define_attr. Set it for appropriate insns.
9523 (movsi_insn): Add alternatives for move from/to
9524 loop count registers.
9525 (doloop_end): New define_expand.
9526 (loop_end): New define_insn.
9527 (define_split for bad doloop_end): New.
9528 (lsetup_with_autoinit): New define_insn.
9529 (lsetup_without_autoinit): New define_insn.
9530 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9531 * config/bfin/predicates.md (lc_register_operand): New.
9532 (lt_register_operand): New.
9533 (lb_register_operand): New.
9534 (nondp_register_operand): New.
9535 (nondp_reg_or_memory_operand): New.
9536 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9538 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9540 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9541 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9543 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9545 * Makefile.in (CATALOGS): Add po/ prefix.
9546 * configure: Regenerated.
9548 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9551 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9552 a shift operand before calling shift_op. Avoid redundant call of
9555 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9556 DJ Delorie <dj@redhat.com>
9558 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9559 we're inserting is a singlt-bit constant.
9561 2006-05-30 Roger Sayle <roger@eyesopen.com>
9563 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9564 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9566 2006-05-30 Roger Sayle <roger@eyesopen.com>
9568 PR tree-optimization/23452
9569 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9570 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9571 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9572 complex values and with -ffast-math for FP complex values.
9574 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9576 * c-common.h: Remove the prototype for yyparse.
9577 * rtl.h: Remove the prototype for init_loop.
9579 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9581 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9584 2006-05-30 Roger Sayle <roger@eyesopen.com>
9586 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9588 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9589 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9591 2006-05-30 Dirk Mueller <dmueller@suse.de>
9594 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9595 for CONSTANT_CLASS_P expresisons.
9597 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9600 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9602 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9604 PR tree-optimization/27779
9605 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9606 initial_condition instead of CHREC_LEFT.
9608 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9610 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9611 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9612 Make prototypes ISO C90.
9614 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9615 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9617 * see.c (see_analyze_one_def): Correct check.
9618 (see_get_extension_data): Check if extension is parallel.
9619 (see_get_extension_reg): Likewise.
9621 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9624 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9625 into register for (code == GTU).
9627 2006-05-29 Roger Sayle <roger@eyesopen.com>
9629 PR tree-optimization/24964
9630 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9631 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9632 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9633 abs(x)*abs(x) as x*x for scalar floating point modes.
9635 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9638 * lambda-code.c (perfect_nestify): Don't copy statements
9639 in the inner loop: move them to the inner loop header.
9641 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9644 * c-tree.texi: Document OpenMP directives and clauses.
9646 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9648 * varasm.c (globalize_decl): Fix indentation.
9650 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9653 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9654 pass_fre, pass_store_ccp, pass_copy_prop,
9655 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9656 pass_return_slot, pass_object_size, pass_lim,
9657 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9658 pass_loop_prefetch and pass_stdarg.
9660 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9662 * config/bfin/bfin.opt (mfdpic): New option.
9663 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9664 (EXTRA_MULTILIB_PARTS): Likewise.
9665 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9666 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9668 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9669 (CRT_CALL_STATIC_FUNCTION): New.
9670 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9672 (CRT_CALL_STATIC_FUNCTION): New.
9673 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9675 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9676 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9677 (initialize_trampoline): Changed to handle FD-PIC code generation.
9678 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9679 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9680 (override_options): Disallow -mid-shared-library -mfdpic combination.
9681 Can't do unaligned ops if FD-PIC.
9682 Turn off flag_pic if trying to generate non-id-shared-library
9683 non-fdpic code, since it's not supported.
9684 (bfin_assemble_integer): New function.
9685 (TARGET_ASM_INTEGER): Define.
9686 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9688 * config/bfin/crtn.s: Restore them.
9689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9691 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9692 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9693 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9694 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9695 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9697 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9698 FDPIC_REGS and FDPIC_FPTR_REGS.
9699 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9700 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9701 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9702 (load_funcdescsi): New pattern.
9703 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9704 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9705 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9707 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9709 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9712 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9714 * tree-flow.h: Remove the prototype for add_type_alias.
9715 * tree-ssa-alias.c (add_type_alias): Remove.
9717 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9719 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9720 config/fr30/fr30.md, config/i386/i386-interix.h,
9721 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9722 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9723 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9724 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9725 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9726 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9727 Follow spelling conventions.
9728 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9729 Follow spelling conventions.
9731 2006-05-27 Richard Guenther <rguenther@suse.de>
9734 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9735 to produce a constant of value 1 of generic type.
9737 2006-05-27 Dirk Mueller <dmueller@suse.de>
9739 * cgraphunit.c (decide_is_function_needed): Fix wrong
9742 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9744 PR rtl-optimization/27661
9745 * reload.c (find_reloads): When reloading a VOIDmode constant
9746 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9747 use Pmode as mode of the reload register.
9749 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9751 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9752 is enabled at -O and above.
9754 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9757 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9760 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9763 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9764 for anonymous variables explicitly declared by front ends.
9766 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9768 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9769 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9770 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9771 ref-all pointers, run a finalization pass for them.
9772 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9773 (finalize_ref_all_pointers): New function.
9774 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9775 regular pointer type to a ref-all pointer type.
9776 (get_tmt_for): Return the special memory tag for ref-all pointers.
9778 2006-05-25 Richard Guenther <rguenther@suse.de>
9781 * fold-const.c (fold_binary): Do not look at the stripped
9782 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9784 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9786 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9787 for LT and GT if the computed range is effectively empty.
9789 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9792 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9793 mips_quad_format formats instead of ieee_single_format,
9794 ieee_double_format and ieee_quad_format formats, respectively.
9796 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9798 PR tree-optimization/27639
9799 PR tree-optimization/26719
9800 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9801 call to scev_probably_wraps_p.
9802 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9803 used_in_pointer_arithmetic_p, convert_step): Removed.
9804 (nowrap_type_p): New function.
9805 (scev_probably_wraps_p): Rewritten.
9806 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9807 chrec_convert if chrec_convert_aggressive might have been used.
9808 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9809 scev_direction): New functions.
9810 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9811 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9812 instead of convert_step.
9813 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9814 (convert_step): Declaration removed.
9815 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9817 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9819 * df-core.c: Added to header comments.
9820 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9821 df_ur_bb_info, df_urec_bb_info): Added comments.
9822 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9823 urec, ri problems): Fixed header comments.
9824 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9825 code from df_rd_transfer_function.
9827 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9829 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9830 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9831 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9833 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9835 * expr.c (undefined_operand_subword_p): New.
9836 (emit_move_multi_word): Do not generate move from undefined bits
9837 of a paradoxical subreg.
9839 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9841 PR rtl-optimization/27736
9842 * combine.c (replaced_rhs_value): New variable.
9843 (combine_instructions): Set it.
9844 (distribute_notes): When distributing a note in replaced_rhs_insn,
9845 check whether the value was used in replaced_rhs_value.
9847 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9850 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9851 add_referenced_var instead of add_referenced_tmp_var.
9852 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9853 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9855 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9856 tree_optimize_tail_calls_1): Use add_referenced_var.
9857 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9858 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9859 Use add_referenced_var.
9860 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9861 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9862 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9863 Use add_referenced_var.
9864 * tree-dfa.c (struct walk_state): Remove.
9865 (find_referenced_vars): Remove walk state and vars_found hash table.
9866 (make_rename_temp): Use add_referenced_var.
9867 (find_vars_r): Pass less parameters to add_referenced_var.
9868 (referenced_var_p): New. Is var in referenced_var hash table.
9869 (referenced_var_insert): Assert var isn't already in hash table.
9870 (add_referenced_var): Don't need walk_state parameter. Add var if it
9871 isn't already in the hash table.
9872 (add_referenced_tmp_var): Remove.
9873 (find_new_referenced_vars_1): Use add_referenced_var.
9874 * tree-ssa-pre.c (create_expression_by_pieces,
9875 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9876 Use add_referenced_var.
9877 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9878 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9879 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9881 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9882 vect_create_data_ref_ptr, vect_create_destination_var,
9883 vect_init_vector, vect_build_loop_niters,
9884 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9885 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9886 Use add_referenced_var.
9887 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9888 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9889 (add_referenced_var): Add prototype.
9890 * tree-ssa-structalias.c (get_constraint_for,
9891 intra_create_variable_infos): Use add_referenced_var.
9893 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9895 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9896 big-endian paradoxical subregs.
9897 * var-tracking.c (struct micro_operation_def): Document that,
9898 for modify micro operations, insn is the subsequent instruction.
9899 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9900 (var_reg_set, var_mem_set): ... new functions.
9901 (add_stores): Record subsequent insn.
9902 (compute_bb_dataflow): Use new functions for MO_USE.
9903 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9904 notes after the insn, and modify notes before the insn known
9905 to be the subsequent one.
9906 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9908 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9911 * config/i386/i386.c (ix86_expand_builtin): Use
9912 gen_sse3_monitor64 for TARGET_64BIT.
9914 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9916 PR rtl-optimization/26375
9917 PR rtl-optimization/26855
9918 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9920 (df_ru_bb_local_compute): Reversed statements and removed bogus
9921 comment explaining why they should be in wrong order.
9922 (df_ru_dump, df_rd_dump): Enhanced debug info.
9923 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9925 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9926 reaching uses and fixed space problem.
9928 2006-05-23 Jan Hubicka <jh@suse.cz>
9930 * cgraphunit.c (decide_is_function_needed): Also nested functions
9931 and functions declared inline can be optimized out at -O0.
9933 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9935 * doc/install.texi (Configuration): Remove reference to CrossGCC
9939 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9942 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9943 ix86_compare_emitted is non-NULL.
9945 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9948 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9951 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9953 PR rtl-optimization/25514
9954 * combine.c (replaced_rhs_insn): New variable.
9955 (combine_instructions): Set replaced_rhs_insn when trying to replace
9956 a SET_SRC with a REG_EQUAL note.
9957 (distribute_notes): Use replaced_rhs_insn when determining the live
9958 range of a REG_DEAD register.
9960 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9961 Anatoly Sokolov <aesok@post.ru>
9963 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9964 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9965 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9966 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9967 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9968 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9969 at90usb647, at90usb1286 and at90usb1287 devices.
9970 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9971 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9973 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9975 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9977 2006-05-22 Richard Guenther <rguenther@suse.de>
9980 2006-01-31 Richard Guenther <rguenther@suse.de>
9981 Paolo Bonzini <bonzini@gnu.org>
9983 * doc/install.texi (--disable-libgcc-math): Document.
9985 2006-05-22 Richard Guenther <rguenther@suse.de>
9988 2006-01-31 Richard Guenther <rguenther@suse.de>
9990 * doc/invoke.texi (-msselibm): Document.
9991 * target.h (expand_library_builtin): New target hook.
9992 * builtins.c (expand_builtin): Use expand_library_builtin.
9993 (default_expand_library_builtin): New function.
9994 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9995 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9996 (link_gcc_math_spec): Declare.
9997 (static_specs): Add link_gcc_math_spec.
9998 * expr.h (default_expand_library_builtin): Declare.
9999 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10000 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10001 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10002 * config/i386/i386.opt (msselibm): New target option.
10003 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10004 (ix86_init_sse_abi_builtins): New function.
10005 (ix86_expand_library_builtin): Likewise.
10006 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10007 (override_options): Handle error conditions wrt -msselibm.
10008 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10009 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10010 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10013 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10016 * c-common.c (self_promoting_args_p): Skip erroneous args.
10019 * c-decl.c (finish_struct): Skip erroneous fields.
10021 2006-05-22 Nick Clifton <nickc@redhat.com>
10023 * config/cris/cris.opt (march): Remove VarExists attribute.
10024 (max-stackframe=): Likewise.
10026 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10028 * doc/rtl.texi: Fix a typo.
10029 * see.c: Fix comment typos.
10031 * tree-ssa-structalias.h (alias_info): Remove num_references.
10033 2006-05-21 Mike Stump <mrs@apple.com>
10035 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10037 (darwin_pragma_options): Use BAD instead.
10038 (darwin_pragma_unused): Likewise.
10039 (darwin_pragma_ms_struct): Likewise.
10041 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10043 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10045 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10047 PR rtl-optimization/27671
10048 * simplify-rtx.c (simplify_relational_operation_1): Fix
10049 simplifications of (eq/ne (xor x y) y) and
10050 (eq/ne (xor x y) x).
10052 PR tree-optimization/26622.
10053 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10056 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10058 * tree-cfg.c: Prune whitespace.
10059 (debug_tree_cfg): Point to correct header containing the
10062 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10064 PR middle-end/25776
10065 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10067 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10069 PR middle-end/25776
10070 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10071 or sorry count is non zero.
10073 2006-05-20 Andreas Schwab <schwab@suse.de>
10075 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10077 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10078 Kenneth Zadeck <zadeck@naturalbridge.com>
10080 PR rtl-optimization/26855
10082 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10084 (df_scan_alloc): Added code to properly handle multiword hard
10085 registers and add all_blocks parameter.
10086 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10087 code to properly handle multiword hard registers.
10088 (df_rescan_blocks): Added code to remove deleted blocks from
10090 (df_ref_create_structure, df_ref_record): Added code to properly
10092 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10093 and set DF_REF_PARTIAL.
10094 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10095 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10096 (df_scan_add_problem): Added flags parameter.
10097 (df_ref_create_structure): Changed switching structure.
10098 (df_bb_refs_record): Fixed case where duplicate artificial refs
10099 were created. Changed location of flags.
10100 (df_record_entry_block_defs): Added code to make stack pointer
10101 live in entry block. Refined cases where frame pointer is needed.
10102 Changed location of flags.
10103 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10104 (df_set_state): Removed function.
10105 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10106 df_insn_create_insn_record, df_insn_refs_delete,
10107 df_ref_create_structure): Formatting changes.
10108 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10109 df_delete_basic_block): New function.
10110 (df_init): Changed location of flags.
10111 (df_add_problem): Added flags parameter and the way flags are
10113 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10114 debug_df_chain): Improved debugging output.
10115 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10116 (df_refs_chain_dump): Removed df parameter.
10117 (df_iterative_dataflow): Added consistency check.
10118 (df_prune_to_subcfg): Made public.
10119 (df_analyze_problem): Added blocks_to_init parameter and made
10121 (df_ref_record, df_bb_refs_record, df_mark_reg,
10122 df_record_exit_block_uses): Whitespace changes.
10123 (df_dump): Whitespace changes.
10124 * df.h: Some reordering to remove forward references.
10125 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10126 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10127 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10128 (dataflow.flags): New field.
10129 (df.flag): Deleted field.
10130 (df_alloc_function): Added additional bitmap parameter.
10131 (df_dependent_problem_function): New type.
10132 (df_problem.changeable_flags): New field.
10133 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10134 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10135 (df_mw_hardreg): New struct.
10136 (DF_INSN_UID_MWS): New macro.
10137 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10139 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10140 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10141 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10142 (df_set_state): Removed function.
10143 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10144 * df-problems.c (df_chain_dump): Removed df parameter.
10145 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10146 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10148 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10149 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10150 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10151 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10152 DF_REF_MUST_CLOBBER cases.
10153 (df_ru_bb_local_compute_process_def,
10154 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10155 df_lr_bb_local_compute, df_ur_bb_local_compute,
10156 df_chain_create_bb): Made subreg aware.
10157 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10158 df_lr_bb_local_compute, df_lr_bb_local_compute,
10159 df_chain_create_bb): Cleanup to use proper macros.
10160 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10161 code to fixup bitvectors.
10162 (df_ri_alloc): Cleared lifetime.
10163 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10164 df_create_unused_note): New function.
10165 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10166 REG_DEAD and REG_UNUSED notes as well as register information.
10167 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10168 df_chains_dump): Fixed crash if problem was never run.
10169 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10170 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10171 df_ri_add_problem): Processes flags in uniform manner.
10172 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10173 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10174 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10175 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10176 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10177 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10178 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10179 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10180 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10181 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10182 * see.c (see_initialize_data): Ditto.
10183 * final.c (rest_of_clean_state) Added regstack_completed.
10184 * rtl.h (regstack_completed): Ditto.
10185 * reg-stack.c (regstack_completed): Ditto.
10187 2006-05-19 Mike Stump <mrs@apple.com>
10189 * c-tree.h (default_conversion): Remove.
10190 * c-common.h (default_conversion): Add.
10192 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10194 * tree-vrp.c (valid_value_p): New function.
10195 (adjust_range_with_scev): Fail if the value of bound is not
10198 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10200 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10201 (mips_fallback_frame_state): Use syscall numbers to determine
10202 the appropriate li instruction for the current ABI. Only use
10203 __NR_sigreturn for o32.
10205 2006-05-19 Nicolas Setton <setton@adacore.com>
10207 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10208 * langhooks.c (lhd_dwarf_name): New function.
10209 * langhooks-def.h (lhd_dwarf_name): Declare.
10210 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10211 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10213 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10215 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10217 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10218 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10219 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10220 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10221 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10222 determine the size of Wtype, etc.
10223 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10224 (swfloatfuncs): New variable.
10225 (dwfloatfuncs): Likewise.
10226 (lib2funcs): Remove floating-point conversion functions from
10227 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10228 the set of conversion routines needed. Allow entries to specify
10229 an object name, filename and word size. Update users accordingly.
10230 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10231 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10235 2006-02-08 Roger Sayle <roger@eyesopen.com>
10238 * config/fixtfdi.c: New libgcc source file.
10239 * config/fixunstfdi.c: New source file.
10240 * config/floatditf.c: New source file.
10241 * config/floatunditf.c: New souce file.
10242 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10243 files above instead of config/mips/_tilib.c.
10244 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10246 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10248 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10249 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10251 2006-05-18 Mike Stump <mrs@apple.com>
10253 Fix up vla, vm and [*] sematics.
10259 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10260 (c_vla_unspec_p): Add.
10261 (c_vla_type_p): Add.
10262 * c-decl.c (struct c_scope): Add had_vla_unspec.
10263 (build_array_declarator): Add support for [*].
10264 (grokdeclarator): Likewise.
10265 (grokparms): Likewise.
10266 (get_parm_info): Likewise.
10267 * c-objc-common.c (c_vla_unspec_p): Likewise.
10268 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10269 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10270 typeof when argument is a variably modified type not inside sizeof or alignof.
10271 (c_parser_direct_declarator_inner): Propagate errors.
10272 (c_parser_sizeof_expression): Add support for [*].
10273 (c_parser_parms_declarator): Initialize had_vla_unspec.
10274 (c_parser_parms_list_declarator): Likewise.
10275 * c-typeck.c (c_vla_type_p): Add.
10276 (composite_type): Add support for vla compositing.
10277 (comptypes_internal): Add support for vla compatibility.
10278 (c_expr_sizeof_expr): Evaluate vla arguments.
10279 * tree.c (variably_modified_type_p): Update comment for [*].
10281 2006-05-18 Michael Matz <matz@suse.de>
10284 * config.host: Make assignments to host_xmake_file cumulative.
10285 * config.host (*-darwin*): Test $host, not $target.
10287 2006-05-12 Stuart Hastings <stuart@apple.com>
10289 * config/i386/i386.opt (-mstackrealign): New flag.
10290 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10291 (ix86_handle_cconv_attribute): Emit error when
10292 force_align_arg_pointer attribute collides with too many regparms.
10293 (ix86_function_regparm): Limit regparms when used with
10294 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10295 Support stack-realigning prologue in non-main functions. Emit
10296 warning for nested functions under -mstackrealign, emit error for
10297 nested functions with force_align_arg_pointer attribute.
10298 * doc/extend.texi (force_align_arg_pointer): Document it.
10299 * doc/invoke.texi (-mstackrealign): Document it.
10301 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10303 PR rtl-optimization/27477
10304 * combine.c (try_combine): Don't split a parallel consisting
10305 of two sets into two individual sets if both sets reference
10308 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10310 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10311 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10313 * doc/options.texi (VarExists): Updated.
10315 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10317 * unwind-dw2.c: Add declarations for uw_update_context and
10318 uw_frame_state_for.
10319 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10320 detected, advance frame state and context once to skip over stub.
10322 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10324 PR middle-end/20256
10325 PR middle-end/26435
10326 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10327 Call rewrite_into_loop_closed_ssa only when something changed.
10328 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10329 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10330 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10331 Test for perfect_nest_p here. Fix formating.
10332 (replace_uses_equiv_to_x_with_y): Fix formating.
10333 (stmt_uses_op): Removed.
10334 (can_convert_to_perfect_nest): Removed loopivs parameter.
10335 Complete the test by checking the scalar dependences.
10336 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10339 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10342 From Dan Kegel <dank@kegel.com>:
10343 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10345 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10347 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10348 if the element type is variably modified without recursing.
10350 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10352 PR middle-end/27332
10353 * tree-loop-linear.c (try_interchange_loops): Test for
10354 no data dependences.
10356 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10358 PR tree-optimization/27548
10359 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10360 range of ssa names that appear on abnormal edges.
10361 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10362 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10364 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10366 PR middle-end/27620
10367 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10369 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10371 PR middle-end/27415
10372 * tree.h (OMP_PARALLEL_COMBINED): Define.
10373 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10374 (new_omp_context): Add is_combined_parallel argument.
10375 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10376 new_omp_context caller.
10377 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10378 Adjust gimplify_scan_omp_clauses callers.
10379 (omp_is_private): Issue errors if iteration variable is firstprivate
10380 or reduction in the current context.
10381 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10382 on combined parallel workshare constructs.
10384 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10386 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10387 (gcc-options.o): New rule.
10389 * optc-gen.awk: Protect variables for gcc-options.o with
10390 #ifdef GCC_DRIVER/#endif.
10392 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10394 Fix PR tree-optimization/27373
10395 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10396 (forward_propagate_addr_expr): Update call.
10398 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10400 * doc/options.texi: Move the Negative option.
10402 2006-05-16 Richard Guenther <rguenther@suse.de>
10404 PR tree-optimization/22303
10405 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10407 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10408 ccp_fold did not simplify the statement.
10410 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10413 * Makefile.in (GCC_OBJS): New.
10414 (OBJS-common): Add opts-common.o.
10415 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10416 (cpp$(exeext)): Likewise.
10417 (gcc.o): Also depend on opts.h.
10418 (opts-common.o): New.
10420 * common.opt (gcoff): Add Negative(gdwarf-2).
10421 (gdwarf-2): Add Negative(gstabs).
10422 (gstabs): Add Negative(gstabs+).
10423 (gstabs+): Add Negative(gvms).
10424 (gvms): Add Negative(gxcoff).
10425 (gxcoff): Add Negative(gxcoff+).
10426 (gxcoff+): Add Negative(gcoff).
10427 * config/i386/i386.opt (m32): Add Negative(m64).
10428 (m64): Add Negative(m32).
10430 * doc/options.texi: Document the Negative option.
10432 * gcc.c: Include "opts.h".
10433 (main): Call prune_options after expandargv.
10435 * optc-gen.awk: Generate common declarations for all flag
10436 variables in options.c. Output the neg_index field.
10438 * opts.c (find_opt): Moved to ...
10439 * opts-common.c: Here. New file.
10441 * opts.h (cl_option): Add a neg_index field.
10443 (prune_options): Likewise.
10445 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10447 PR middle-end/27573
10448 * omp-low.c (expand_omp_parallel): Don't assert
10449 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10450 instead search for it.
10453 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10456 2006-05-16 Andreas Schwab <schwab@suse.de>
10458 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10461 2006-05-15 Roger Sayle <roger@eyesopen.com>
10464 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10465 integer constants other than zero are only legitimate on TARGET_64BIT.
10466 <CONST_VECTOR> Only zero vectors are legitimate.
10467 (ix86_cannot_force_const_mem): Integral and vector constants can
10468 always be put in the constant pool.
10470 2006-05-16 DJ Delorie <dj@redhat.com>
10472 * crtstuff.c (__dso_handle): Set section from
10473 TARGET_LBIGCC_SDATA_SECTION if defined.
10474 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10475 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10477 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10480 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10483 2006-05-16 Ben Elliston <bje@au.ibm.com>
10485 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10487 2006-05-15 Per Bothner <per@bothner.com>
10489 * tree.c: (last_annotated_node): Use source_locus typedef.
10490 This permits bootstrapping with --enable-mapped-location.
10492 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10494 PR tree-optimization/26830
10495 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10496 (info_for_ssa_name, current_info_for_ssa_name_age,
10497 blocks_to_update): New variables.
10498 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10499 (clear_ssa_name_info, initialize_flags_in_bb,
10500 mark_block_for_update): New functions.
10501 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10502 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10503 prepare_def_site_for): Use mark_block_for_update.
10504 (mark_def_interesting): Assert that the processed block is marked in
10505 blocks_to_update. Do not take blocks argument.
10506 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10508 (rewrite_update_init_block, rewrite_update_stmt): Only process
10509 blocks with statements to rewrite.
10510 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10511 (update_ssa): Initialize and free blocks_to_update. Do not
10512 clear flags on statements. Do not use blocks bitmap.
10513 * tree.h (SSA_NAME_AUX): Removed.
10514 (struct tree_ssa_name): Removed aux field.
10515 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10517 2006-05-15 Richard Guenther <rguenther@suse.de>
10519 PR tree-optimization/27603
10520 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10521 Do computations in original type.
10523 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10525 * see.c: Code style changes such as redundant paranthesis,
10526 redundant intialization of local variables etc.
10527 (see_main): Declared now as static.
10528 * doc/invoke.texi: Update that -fsee is not enabled by
10531 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10533 * omp-low.c (check_omp_nesting_restrictions): New function.
10534 (scan_omp_1): Call it.
10536 PR middle-end/27416
10537 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10538 construct, return *VAR.
10540 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10542 PR rtl-optimization/27406
10543 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10546 2006-05-14 Roger Sayle <roger@eyesopen.com>
10548 PR rtl-optimization/27538
10549 * combine.c (expand_compound_operation): Call gen_lowpart
10550 before calling simplify_shift_const.
10552 2006-05-14 Roger Sayle <roger@eyesopen.com>
10554 PR rtl-optimization/22563
10555 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10556 a fixed width bitfield, always force the intermediates into psuedos.
10558 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10561 * mkconfig.sh: Use operator = instead of == for test.
10563 2006-05-13 Nick Clifton <nickc@redhat.com>
10565 * dwarf2out.c (dbx_reg_number): Check return value from
10566 LEAF_REG_REMAP and only use it if it is valid.
10567 (multiple_reg_loc_descriptor): Likewise.
10569 2006-05-13 Richard Guenther <rguenther@suse.de>
10571 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10574 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10576 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10577 information attached to non-INSNs such as NOTEs.
10578 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10580 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10582 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10584 * config/s390/s390.md: Adjust comment describing On constraint.
10586 2006-05-11 Jan Hubicka <jh@suse.cz>
10588 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10589 to be output at -O0.
10591 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10593 PR middle-end/27384
10594 * fold-const.c (size_binop): Move sanity check for arguments to
10595 the beginning of the function.
10597 PR middle-end/27488
10598 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10601 2006-05-11 Richard Guenther <rguenther@suse.de>
10603 PR middle-end/27529
10604 * fold-const.c (fold_unary): Handle intermediate conversion
10605 to a pointer type like intermediate conversion to an integer
10606 type in folding of (T1)(T2)var to var.
10607 Match the code to the comment in the final conversion for
10608 (T1)(T2)var to (T1)var regarding to type precision. Rather
10609 than disallow T1 being of pointer type, assert that both T1
10610 and var are of pointer type or not. Make sure not to fall
10611 over the frontends lazyness wrt array to pointer decay though.
10613 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10615 * arm.c (arm_struct_value_rtx): Delete.
10616 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10617 (arm_init_cumulative_args): Always initialize nregs to zero.
10619 2006-05-10 Richard Guenther <rguenther@suse.de>
10621 PR tree-optimization/27532
10622 * tree-object-size.c (plus_expr_object_size): Fix typo.
10624 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10627 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10628 ashrdi_const, ashrdi3): Use a scratch register.
10630 2006-05-10 Richard Guenther <rguenther@suse.de>
10632 PR tree-optimization/27302
10633 * fold-const.c (operand_equal_p): For two comparisons,
10634 try comparison of one comparison code swapped if that yields
10637 2006-05-10 Ben Elliston <bje@au.ibm.com>
10639 * tree-pretty-print.c (pretty_print_string): No need to handle
10640 '\0' as a special character.
10642 * tree.h: Include "hashtab.h".
10643 (iterative_hash_expr): Use hashval_t in its prototype.
10644 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10646 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10649 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10650 (hppa*64*-*-hpux11*): Ditto.
10651 (hppa[12]*-*-hpux11*): Ditto.
10653 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10656 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10658 2006-05-09 Michael Matz <matz@suse.de>
10660 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10661 host_extra_gcc_objs and host_xmake_file.
10662 (<*-*-linux*>): Don't overwrite host_xmake_file.
10663 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10664 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10665 (host_detect_local_cpu): Declare.
10666 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10667 * config/i386/i386.c (override_options): Handle -mtune=native
10669 * config/i386/x-i386: New file.
10670 * config/i386/driver-i386.c: New file.
10671 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10674 2006-05-09 Dirk Mueller <dmueller@suse.de>
10675 Richard Guenther <rguenther@suse.de>
10677 PR middle-end/27498
10678 * fold-const.c (fold_read_from_constant_string): Relax check
10679 for matching types to matching modes.
10681 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10683 PR rtl-optimization/27335
10684 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10687 2006-05-08 Chao-ying Fu <fu@mips.com>
10688 Richard Sandiford <richard@codesourcery.com>
10690 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10691 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10692 * config/mips/mips.md (UNSPEC_SCC): New constant.
10693 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10694 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10695 (mips_emit_compare): Use it.
10696 (mips_expand_vcondv2sf): New function.
10698 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10700 Fix PR tree-optimization/27093
10701 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10702 renaming when they become not-used_alone.
10704 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10706 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10707 relocation and relocation stubs.
10709 2006-05-08 Eric Christopher <echristo@apple.com>
10711 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10714 2006-05-08 Jan Hubicka <jh@suse.cz>
10716 PR middle-end/24561
10717 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10718 unused static functions are needed.
10720 2006-05-08 Roger Sayle <roger@eyesopen.com>
10723 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10724 of a reg_equiv_constant if the result is a legitimate constant.
10726 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10729 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10730 standard 80387 constants, raise the cost to prevent
10731 compress_float_constant() to generate load from memory.
10733 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10735 * config/arm/constraints.md (c): Fix a typo.
10737 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10740 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10743 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10745 (_mm_mwait): Likewise.
10747 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10749 (sse3_monitor): Make it 32bit only.
10750 (sse3_monitor64): New. 64bit monitor.
10752 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10755 * config/i386/i386.c (classify_argument): Skip fields with invalid
10758 2006-05-07 Richard Guenther <rguenther@suse.de>
10760 PR tree-optimization/27409
10761 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10762 Do not try to find zero-sized subvars.
10764 2006-05-07 Richard Guenther <rguenther@suse.de>
10766 PR tree-optimization/27136
10767 * tree-ssa-loop-niter.c (get_val_for): Correct function
10768 comment, assert requirements.
10769 (loop_niter_by_eval): Stop processing if the iterated
10770 value did not simplify.
10772 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10774 * opts.c (flag_see): remove its setting at -O3.
10776 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10778 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10779 * arm/constraints.md: New file.
10780 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10781 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10782 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10783 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10784 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10785 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10786 * arm.md: Include constraints.md.
10787 (thumb_movsi_insn): Use satisfies_constraint_J.
10788 (movhi, movqi): Use satisfies_constraint_I.
10790 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10792 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10793 for atmeg a645 device.
10795 2006-05-06 Richard Guenther <rguenther@suse.de>
10797 PR tree-optimization/27151
10798 * tree-vect-transform.c (vectorizable_condition): Punt on
10799 values that have a different type than the condition.
10801 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10804 * c-parser.c (c_parser_cast_expression): Only insert casts into
10805 hash table if pointer.
10806 * function.c (used_types_insert_helper): Rename from
10808 (used_types_insert): Call used_types_insert_helper.
10809 * function.h (used_types_insert): Accept only one argument.
10811 2006-05-05 David Edelsohn <edesohn@gnu.org>
10813 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10814 scratch with output modifier.
10816 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10819 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10820 with output modifier.
10822 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10825 * config/mips/mips.c (mips_symbolic_address_p): Return true
10826 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10827 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10829 2006-05-04 Richard Guenther <rguenther@suse.de>
10831 PR tree-optimization/14287
10832 PR tree-optimization/14844
10833 PR tree-optimization/19792
10834 PR tree-optimization/21608
10835 PR tree-optimization/27090
10836 * tree-ssa-pre.c (try_combine_conversion): New function.
10837 (compute_avail): After constructing the value-handle
10838 expression, use try_combine_conversion to combine NOP_EXPRs
10839 with previous value-handle expressions and use the result if it
10842 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10844 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10846 2006-05-04 Jan Hubicka <jh@suse.cz>
10848 PR middle-end/25962
10849 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10851 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10853 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10854 that this only matches CONST_INTs. All users changed to VOIDmode
10857 * config/bfin/bfin.c: Include "optabs.h".
10858 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10860 (enum bfin_builtins): Add a number of fractional and vector builtins.
10861 (bfin_init_builtins): Likewise.
10862 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10863 (safe_vector_operand, bfin_expand_binop_builtin,
10864 bfin_expand_unop_builtin): New functions.
10865 (bfin_expand_builtin): Handle the new builtins.
10866 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10869 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10872 * Makefile.in (OBJS-common): Add see.o.
10873 (see.o): Add dependencies.
10874 * common.opt (fsee): New flag for the see optimization was added.
10875 * opts.c (flag_see): Initialized.
10876 * passes.c (init_optimization_passes, pass_see): New pass.
10877 * rtl.h (see_main): Declaration as extern.
10878 * timevar.def (TV_SEE): New.
10879 * tree-pass.h (pass_see): Declaration as extern.
10880 * invoke.texi (-fsee): Document.
10881 * recog.c (validate_simplify_insn): New function.
10882 * recog.h (validate_simplify_insn): Declaration as extern.
10883 * df-problems.c (df_chain_dump): Check for NULL.
10885 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10886 Daniel Berlin <dberlin@dberlin.org>
10888 * cfgrtl.c (insert_insn_bb_end_new): New function.
10889 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10891 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10893 * df.h (struct web_entry): Moved from web.c.
10894 (union_defs): Declaration as extern.
10895 (unionfind_root): Likewise.
10896 (unionfind_union): Likewise.
10897 * web.c (struct web_entry): Moved to df.h.
10898 (unionfind_root): Remove static declaration.
10899 (unionfind_union): Likewise.
10900 (union_defs): Likewise and generalize to use callback function.
10901 (web_main): Update arguments for union_defs function call.
10903 2006-05-04 Richard Guenther <rguenther@suse.de>
10905 PR tree-optimization/26447
10906 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10907 produce SSA_NAME copies before the store stmt to avoid
10908 breaking exception handling.
10910 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10912 PR middle-end/27388
10913 * gimplify.c (omp_is_private): If var is shared in some outer context,
10914 return false instead of true. Stop searching on parallel context
10917 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10920 * coverage.c: Use get_gcov_unsigned_t() instead of
10921 unsigned_type_node all over.
10923 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10925 PR tree-optimization/27381
10926 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10927 maintain the same immediate_use links.
10928 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10929 node rather than segfaulting.
10931 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10934 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10935 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10936 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10938 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10940 Fix PR tree-optimization/26626
10941 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10943 * tree-ssa-operands.c (access_can_touch_variable): Allow
10944 typecasting through union pointers.
10946 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10949 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10950 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10951 to find if var will be a global variable even in the nested context.
10952 (omp_copy_decl): Only check for global variable at the end, it might
10953 be overridden in outer contexts.
10954 (scan_sharing_clauses): For global variables don't create a field.
10955 (lower_rec_input_clauses): Do nothing for global shared variables.
10956 Emit a barrier at the end of ILIST if there were any decls in both
10957 firstprivate and lastprivate clauses.
10958 (lower_send_clauses): Do nothing for global variables except for
10961 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10963 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10964 of the correct signedness is returned.
10966 2006-05-02 Jeff Law <law@redhat.com>
10968 PR tree-optimization/27364
10969 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10970 multiply expressions.
10972 2006-05-02 Tom Tromey <tromey@redhat.com>
10974 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10976 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10979 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10980 -mthumb -fPIC are used.
10982 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10983 Joshua Kinard <kumba@gentoo.org>
10986 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10987 with 64-bit pointers.
10989 2006-05-02 Paul Brook <paul@codesourcery.com>
10991 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10993 (create_fix_barrier): Check that a suitable barrier location is
10995 (arm_reorg): Include ftmp->address in allowable range of addresses.
10997 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11000 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11003 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11005 PR middle-end/27337
11006 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11007 around RESULT_DECL for result passed by reference.
11008 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11009 * omp-low.c (use_pointer_for_field): Don't look at
11010 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11011 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11012 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11013 time or var for passing by reference for
11014 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11015 TREE_ADDRESSABLE variables when passing by reference.
11017 * omp-low.c (dump_omp_region): Fix output formatting.
11019 PR middle-end/27328
11020 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11021 (expand_omp_parallel): Likewise.
11022 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11024 PR middle-end/27325
11025 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11026 on statement list containing also constructors and destructors.
11027 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11029 PR middle-end/27310
11030 * except.c (duplicate_eh_regions): Fix clearing of
11031 cfun->eh->region_array entries.
11033 2006-05-01 DJ Delorie <dj@redhat.com>
11035 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11037 (gcc_cv_objdump): Likewise.
11038 * configure: Regenerated.
11040 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11043 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11044 templates for case 3 and 4.
11046 2006-05-01 DJ Delorie <dj@redhat.com>
11048 * vec.c: Include bconfig.h when appropriate.
11049 * Makefile.in (build/vec.o): Adjust dependencies.
11050 * mkconfig.sh: Make sure config.h isn't used for build machine
11053 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11055 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11057 (mark_phi_for_rewrite): New function.
11058 (insert_phi_nodes_for, mark_use_interesting): Call
11059 mark_phi_for_rewrite.
11060 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11061 (update_ssa): Initialize and free phis_to_rewrite.
11063 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11065 PR rtl-optimization/27291
11066 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11067 folded to a constant.
11069 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11071 PR tree-optimization/27283
11072 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11073 not whole # of iteration descriptions.
11074 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11075 uses abnormal ssa name.
11076 (niter_for_single_dom_exit): Ditto.
11077 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11078 return just the number of iterations.
11080 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11082 PR tree-optimization/27144
11083 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11084 (record_estimate): Only record constant upper bound.
11085 (infer_loop_bounds_from_undefined): Call
11086 compute_estimated_nb_iterations just once.
11087 (proved_non_wrapping_p): Renamed to ...
11088 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11089 (convert_step_widening, scev_probably_wraps_p): Call
11090 n_of_executions_at_most instead of proved_non_wrapping_p.
11091 (substitute_in_loop_info): Do not replace values in bounds.
11092 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11095 2006-05-01 Richard Henderson <rth@redhat.com>
11098 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11099 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11102 2006-05-01 Roger Sayle <roger@eyesopen.com>
11104 * c-typeck.c (parser_build_binary_op): Don't call the function
11105 unsigned_conversion_warning to spot operand/result type overflow.
11106 (build_binary_op): Instead, call convert_and_check instead of
11107 convert to report the problem when the operands are promoted.
11108 * c-common.c (unsigned_conversion_warning): Make static.
11109 * c-common.h (unsigned_conversion_warning): Delete prototype.
11111 2006-05-01 Richard Guenther <rguenther@suse.de>
11113 PR tree-optimization/26726
11114 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11116 (find_interesting_uses_address): ... we work around here
11117 by folding INDIRECT_REFs in the substituted base.
11119 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11121 * omp-low.c (dump_omp_region): Add newlines.
11123 2006-04-30 Roger Sayle <roger@eyesopen.com>
11125 * common.opt (Woverflow): New command line option.
11126 * c-common.c (constant_expression_warning): Check warn_overflow.
11127 (overflow_waring): Pass OPT_Woverflow to warning.
11128 (unsigned_conversion_warning): Likewise.
11129 (convert_and_check): Likewise.
11130 * doc/invoke.texi: Document new command line option.
11132 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11134 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11135 TARGET_NO_FP_IN_TOC for section anchors.
11136 (optimization_options): Enable section anchors for all
11137 non-"Objective" languages.
11139 2006-04-28 Eric Christopher <echristo@apple.com>
11141 * config/darwin-c.c (darwin_ms_struct): Move this
11142 (darwin_set_default_type_attributes): and this...
11143 * config/darwin.c: ... here.
11144 * config/darwin.h (darwin_ms_struct): Declare.
11146 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11148 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11150 2006-04-28 Roger Sayle <roger@eyesopen.com>
11153 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11154 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11155 an unsigned HOST_WIDE_INT.
11156 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11158 (really_start_incremental_init): No need to call convert because
11159 bitsize_zero_node is already of type bitsizetype.
11160 (push_init_level): Extract the value of constructor_index as an
11161 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11162 (process_init_element): Likewise.
11164 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11166 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11167 value before passing to make_relative_prefix.
11169 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11171 PR middle-end/27260
11172 * builtins.c (expand_builtin_memset): Expand val in original mode.
11174 2006-04-27 Eric Christopher <echristo@apple.com>
11176 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11177 with #ifndef/#endif.
11178 * config/darwin-c.c (darwin_ms_struct): New.
11179 (darwin_pragma_ms_struct): Ditto.
11180 (darwin_set_default_type_attributes): Ditto.
11181 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11182 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11183 Register ms_struct pragma.
11184 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11185 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11186 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11187 darwin_set_default_type_attributes if TARGET_MACHO.
11189 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11191 PR tree-optimization/26854
11192 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11193 * doc/tree-ssa.texi: Update immuse iterator documentation.
11194 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11196 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11197 first_safe_imm_use, next_safe_imm_use): Remove.
11198 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11199 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11200 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11201 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11202 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11203 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11204 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11205 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11206 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11207 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11208 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11209 (perfect_nestify): Use new iterator.
11210 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11212 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11213 (next_imm_name): New field in struct immediate_use_iterator_d.
11214 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11215 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11216 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11217 * tree-cfg.c (replace_uses_by): Use new iterator.
11218 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11219 * tree-ssa-operands.c (correct_use_link): Remove.
11220 (finalize_ssa_use_ops): No longer call correct_use_link.
11222 2006-04-27 Stuart Hastings <stuart@apple.com>
11224 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11225 * config/t-darwin (crt3.o): Use it.
11226 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11227 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11228 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11229 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11230 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11233 2006-04-27 Roger Sayle <roger@eyesopen.com>
11235 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11236 size, force the intermediate into a new pseudo rather instead of
11237 performing both a bitwise AND and a bitwise IOR in memory.
11239 2006-04-27 Richard Guenther <rguenther@suse.de>
11241 PR rtl-optimization/26685
11242 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11243 this one "max-flow-memory-locations".
11245 2006-04-27 Richard Guenther <rguenther@suse.de>
11247 PR tree-optimization/25148
11248 * tree-vrp.c (compare_values): Remove code dealing with
11249 comparisons against type min/max value. Honour overflow
11250 and negative constants in code dealing with comparisons
11251 of plus and minus expressions.
11252 (value_inside_range): Use fold_binary with LE_EXPR and
11253 GE_EXPR rather than compare_values.
11255 2006-04-27 Dirk Mueller <dmueller@suse.de>
11257 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11260 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11262 * basic-block.h (safe_insert_insn_on_edge): Removed.
11263 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11265 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11266 Paolo Bonzini <bonzini@gnu.org>
11268 PR middle-end/27282
11269 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11270 (simplify_and_const_int): Same.
11272 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11274 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11276 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11279 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11280 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11281 cgraph_global_info_ready.
11283 PR middle-end/26913
11284 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11287 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11288 either decl or init is error_mark_node.
11290 PR middle-end/25989
11291 * tree-flow.h (struct omp_region): Add sched_kind.
11292 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11293 instead of extracting omp for data.
11294 (expand_omp_for): Save extracted sched_kind.
11296 2006-04-25 Roger Sayle <roger@eyesopen.com>
11298 * expmed.c (store_bit_field): Also check whether the bitsize is
11299 valid for the machine's "insv" instruction before moving the
11300 target into a pseudo for use with the insv.
11301 * config/i386/predicates.md (const8_operand): New predicate.
11302 * config/i386/i386.md (extv, extzv, insv): Use the new
11303 const8_operand predicate where appropriate.
11305 2006-04-25 DJ Delorie <dj@redhat.com>
11307 * doc/install.texi (Specific): Clarify that this is not a list of
11308 supported hosts or targets.
11310 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11312 PR rtl-optimization/26725
11313 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11314 block's BB_DIRTY flag.
11316 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11318 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11321 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11322 to print an integer.
11324 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11326 * varasm.c (align_variable): New function.
11327 (get_block_for_decl): Apply align_variable to DECL before
11328 calculating section information.
11329 (assemble_variable): Split out alignment computation.
11331 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11333 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11336 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11338 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11339 MODE_PARTIAL_INT mode.
11340 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11341 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11343 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11344 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11346 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11348 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11350 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11351 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11352 MACFLAG_IH): Likewise.
11353 (movstricthi_1): Renamed from "*movstricthi".
11354 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11355 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11356 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11357 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11358 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11359 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11360 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11361 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11362 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11363 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11364 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11365 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11366 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11367 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11368 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11370 * doc/rtl.texi (ss_ashift): Improve wording.
11372 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11374 * dwarf2out.c (verify_marks_clear): New.
11375 (prune_unused_types): Call verify_marks_clear initially, not
11378 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11380 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11381 * doc/rtl.texi: Document them.
11382 * simplify-rtx.c (simplify_unary_operation,
11383 simplify_binary_operation_1): Don't abort when we see them.
11385 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11388 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11389 * configure.ac: Completely disregard languages that are not
11391 * configure: Regenerated.
11393 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11394 Richard Guenther <rguenther@suse.de>
11396 PR tree-optimization/27236
11397 * tree-inline.c (copy_body_r): Make sure to copy
11398 TREE_THIS_VOLATILE flag.
11400 2006-04-24 Richard Guenther <rguenther@suse.de>
11402 PR middle-end/26869
11403 * tree-complex.c (update_parameter_components): Don't handle
11404 unused parameters which have no default def.
11406 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11407 Richard Guenther <rguenther@suse.de>
11409 PR tree-optimization/27218
11410 * tree-inline.c (expand_call_inline): Strip useless type
11411 conversions for the return slot address.
11413 2006-04-24 Richard Guenther <rguenther@suse.de>
11415 * cfgloop.h (struct loops): Remove unused field array. Reorder
11417 (LOOP_PREFETCH): Remove.
11419 2006-04-24 Richard Guenther <rguenther@suse.de>
11421 PR tree-optimization/22525
11422 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11423 variable, adjust types of generated expressions.
11425 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11427 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11428 (tree-vect-patterns.o): Likewise.
11429 (jump.o): Likewise.
11430 (cselib.o): Likewise.
11431 (loop-doloop.o): Likewise.
11432 (regclass.o): Likewise.
11433 (reload1.o): Likewise.
11434 (explow.o): Replace target.h with $(TARGET_H).
11435 (ipa-prop.o): Likewise.
11436 (ipa-cp.o): Likewise.
11437 (ipa-inline.o): Likewise.
11438 (reorg.o): Likewise.
11439 (reg-stack.o): Likewise.
11441 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11443 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11445 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11447 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11449 * configure.ac: Completely disregard languages that are not
11451 * configure: Regenerated.
11454 * c-common.h (c_build_bitfield_integer_type): Declare.
11455 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11456 * c-common.c (c_build_bitfield_integer_type): ... here.
11458 2006-04-23 Roger Sayle <roger@eyesopen.com>
11461 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11462 a SImode SUBREG of a floating point register after no_new_pseudos.
11464 2006-04-23 Roger Sayle <roger@eyesopen.com>
11466 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11467 identify potentially eliminable registers to additionally catch
11468 VIRTUAL_INCOMING_ARGS_REGNUM.
11469 (addsi3): Update the conditions on when to use addsi_small_int.
11471 2006-04-23 Roger Sayle <roger@eyesopen.com>
11474 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11475 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11476 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11478 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11480 * fold-const.c (range_predecessor): Use operand_equal_p
11481 as the predicate for equality.
11482 (range_successor): Likewise.
11484 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11487 * config/soft-fp/op-common.h: Fix a typo.
11489 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11491 PR libmudflap/26864
11492 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11493 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11495 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11497 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11499 * doc/tm.texi: Fix a typo.
11501 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11503 * dwarf2out.c (struct die_struct): Document that die_sib makes
11504 a circular linked list.
11505 (FOR_EACH_CHILD): New.
11506 (reverse_die_lists): Delete.
11507 (reverse_all_dies): Delete.
11508 (add_dwarf_attr): Correct documentation.
11509 (remove_child_with_prev): New.
11510 (remove_child_TAG): Update for change to die_struct, use
11511 remove_child_with_prev.
11512 (add_child_die): Update for change to die_struct.
11513 (splice_child_die): Use remove_child_with_prev and add_child_die.
11514 (print_die): Use FOR_EACH_CHILD.
11515 (die_checksum): Likewise.
11516 (assign_symbol_names): Likewise.
11517 (output_location_lists): Likewise.
11518 (build_abbrev_table): Likewise.
11519 (calc_die_sizes): Likewise.
11520 (mark_dies): Likewise.
11521 (unmark_dies): Likewise.
11522 (unmark_all_dies): Likewise.
11523 (output_die): Likewise.
11524 (prune_unused_types_mark): Likewise.
11525 (prune_unused_types_walk): Likewise.
11526 (same_die_p): Update for change to die_struct.
11527 (break_out_includes): Likewise.
11528 (prune_unused_types_prune): Likewise.
11529 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11530 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11531 it's already clear.
11532 (dwarf2out_finish): Don't call reverse_all_dies.
11534 2006-04-21 Eric Christopher <echristo@apple.com>
11536 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11537 in comments and function names.
11539 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11542 * c-typeck.c (digest_init): Robustify.
11544 * c-typeck.c (pop_init_level): Simplify.
11546 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11548 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11550 2006-04-21 Paul Brook <paul@codesourcery.com>
11552 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11553 hardware floating point.
11555 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11557 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11560 2006-04-21 Nick Clifton <nickc@redhat.com>
11562 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11565 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11568 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11569 C++ lang type in traceback table for Objective-C++.
11571 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11573 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11575 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11577 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11580 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11581 were errors. Remove check for erroneous objects.
11583 2006-04-20 Jeff Law <law@redhat.com>
11585 PR tree-optimization/26854
11586 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11587 checking for zero or one use.
11588 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11589 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11590 * tree-ssa-reassoc.c (negate_value): Similarly.
11591 (reassociate_bb): Similarly.
11593 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11595 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11596 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11597 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11599 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11601 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11602 fp regs if the last fp arg doesn't fit in regs.
11604 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11607 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11608 that the last insn has the REG_INC note.
11610 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11611 Nathan Sidwell <nathan@codesourcery.com>
11614 * stor-layout.c (update_alignment_for_field): Do not align
11616 (place_union_field): Place union field at the start of the union.
11617 (place_field): Move ERROR_MARK check later, and use the current
11618 allocation position to maintain monotonicity.
11620 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11622 * dominance.c: Include timevar.h.
11623 (calculate_dominance_info): Use TV_DOMINANCE.
11624 * timevar.def (TV_DOMINANCE): New timevar.
11625 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11627 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11629 PR rtl-optimization/14261
11630 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11631 move would be an INSV insn.
11632 (noce_process_if_block): Don't optimize if the destination is a
11633 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11635 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11637 * config/s390/s390.md: Add comments with the instructions emitted
11638 by an insn pattern if macros are used.
11640 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11642 PR rtl-optimization/26026
11643 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11644 is a known power of two shifted left a variable amount.
11646 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11648 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11649 to hash table twice when the debug_str section has SECTION_MERGE.
11651 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11653 * config/soft-fp: New directory. From glibc.
11654 * config/soft-fp/t-softfp: New.
11655 * config/soft-fp/README: New.
11656 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11657 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11658 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11659 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11660 * config.gcc: Use rs6000/t-fprules-fpbit or
11661 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11663 * config/rs6000/sfp-machine.h: New. Based on glibc.
11664 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11666 * config/rs6000/t-fprules: Remove fp-bit rules.
11667 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11668 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11669 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11670 (softfp_wrap_start, softfp_wrap_end): New.
11672 2006-04-18 DJ Delorie <dj@redhat.com>
11674 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11676 2006-04-18 Devang Patel <dpatel@apple.com>
11678 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11680 2006-04-18 Nick Clifton <nickc@redhat.com>
11682 * config/sh/t-symbian: Add rule to build sh-c.o
11683 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11684 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11685 (sh_symbian_encode_section_info): Likewise.
11687 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11689 * builtins.c (expand_builtin_strcmp): Cover label definition of
11690 do_libcall with HAVE_cmpstrnsi.
11692 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11694 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11696 * function.h (temp_slot_p): New.
11697 (function): Change the type of x_used_temp_slots to
11698 VEC(temp_slot_p,gc) *.
11700 2006-04-18 Nick Clifton <nickc@redhat.com>
11702 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11703 flag_strength_reduce.
11705 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11707 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11711 Partial revert of revision 112637
11712 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11713 Dale Johannesen <dalej@apple.com>
11716 * regclass.c (struct reg_pref): Update documentation.
11717 (regclass): Set prefclass to NO_REGS if memory is the best option.
11718 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11720 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11722 PR tree-optimization/26821
11723 * tree-ssa-math-opts.c (get_constant_one): New.
11724 (insert_reciprocals): Use it.
11726 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11728 * dwarf2out.c (free_AT): Delete.
11729 (remove_AT): Update string ref counts.
11730 (remove_child_TAG): Don't call free_die.
11731 (free_die): Delete.
11732 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11733 or DW_TAG_GNU_EINCL.
11734 (prune_unused_types_walk_attribs): Reset string refcounts.
11735 (prune_unused_types_update_strings): New.
11736 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11737 call free_die. Do call prune_unused_types_update_strings.
11738 (prune_unused_types): Empty debug_str_hash.
11740 2006-04-17 Roger Sayle <roger@eyesopen.com>
11742 * expr.c (expand_assignment): Optimize away no-op moves where the
11743 source and destination are equal and have no side-effects.
11745 2006-04-17 Richard Guenther <rguenther@suse.de>
11748 * reload.c (push_reload): Guard calls to get_secondary_mem
11749 for memory subregs.
11751 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11753 * alias.c (reg_base_value, old_reg_base_value): Change the
11754 type to VEC(rtx,gc) *.
11755 (REG_BASE_VALUE, find_base_value, record_set,
11756 init_alias_analysis): Use VEC instead of VARRAY.
11758 * alias.c (alias_sets): Change the type to
11759 VEC(alias_set_entry,gc) *.
11760 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11761 VEC instead of VARRAY.
11762 (last_alias_set): Remove.
11764 * cgraph.h (cgraph_edge_p): New.
11765 Update the prototype of cgraph_function_versioning.
11766 * cgraphunit.c (cgraph_copy_node_for_versioning,
11767 cgraph_function_versioning): Use VEC instead of VARRAY.
11768 * ipa-cp.c (ipcp_insert_stage): Likewise.
11770 2006-04-16 Roger Sayle <roger@eyesopen.com>
11773 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11774 "A op B" or "A op C", we may need to convert A to the type of B and C.
11776 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11778 * target.h (struct gcc_target): Add mode_rep_extended.
11779 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11780 (init_num_sign_bit_copies_in_rep): Initialize it using
11782 (truncate_to_mode): Use it.
11783 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11784 * targhooks.h (default_mode_rep_extended): Declare it.
11785 * targhooks.c (default_mode_rep_extended): Define it.
11786 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11787 default_mode_rep_extended.
11788 (TARGET_INITIALIZER): Include it.
11789 * doc/tm.texi (Misc): Document it.
11790 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11791 (mips_truncated_to_mode): New function.
11793 2006-04-16 Roger Sayle <roger@eyesopen.com>
11795 PR middle-end/25474
11796 * expr.c (compress_float_constant): Copy the narrow constant into
11797 a new pseudo before extending it to its final width.
11799 2006-04-16 Roger Sayle <roger@eyesopen.com>
11800 Andrew Pinski <pinskia@gcc.gnu.org>
11801 Dale Johannesen <dalej@apple.com>
11804 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11805 special case code to implement V8HImode and V16QImode with SSE2.
11807 2006-04-15 Roger Sayle <roger@eyesopen.com>
11809 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11810 trees are constructed with a suitable tree type.
11812 2006-04-15 Roger Sayle <roger@eyesopen.com>
11814 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11815 (integer_onep): Likewise.
11816 (integer_all_onesp): Likewise.
11817 (integer_pow2p): Likewise.
11818 (integer_nonzerop): Likewise.
11819 (real_zerop): Likewise.
11820 (real_onep): Likewise.
11821 (real_twop): Likewise.
11822 (real_minus_onep): Likewise.
11823 (int_size_in_bytes): Likewise.
11824 (host_integerp): Likewise.
11826 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11828 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11829 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11830 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11832 * tree-ssa-structalias.h (alias_info): Remove num_references.
11834 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11836 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11837 (output_bvb patterns): Likewise.
11838 * pa.c (output_bb): Use 'bb' insn for long branch case.
11839 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11840 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11841 1. Correct length operand for alternatives 1 and 2.
11842 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11843 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11845 2006-04-14 Roger Sayle <roger@eyesopen.com>
11847 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11848 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11849 were accidentally reverted by r112959.
11851 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11853 PR middle-end/26823
11854 * except.h (eh_region_outermost): New prototype.
11855 * except.c (eh_region_outermost): New function.
11856 * tree-cfg.c (find_outermost_region_in_block): Use it.
11858 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11860 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11862 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11863 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11864 (init_reload, reload): Use VEC instead of VARRAY.
11865 * reload.h: Update the prototype for
11866 reg_equiv_memory_loc_varray.
11868 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11869 Eric Botcazou <ebotcazou@libertysurf.fr>
11871 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11872 register save area.
11874 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11876 PR middle-end/27134
11877 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11878 to expand fallback builtin function call.
11880 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11882 PR middle-end/27095
11883 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11884 and emit libcall here in case the builtin fails.
11885 (expand_builtin_strcmp): Always emit the libcall here on failure.
11887 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11889 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11890 * flow.c (reg_n_info): Change the type to
11891 VEC(reg_info_p,heap) *.
11892 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11894 * regs.h (reg_info_p): New.
11895 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11896 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11897 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11900 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11902 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11904 * params.h (MAX_SCHED_READY_INSNS): New macro.
11905 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11906 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11907 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11908 the ready list for 1 cycle during the first scheduling pass.
11909 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11911 2006-04-13 Richard Henderson <rth@redhat.com>
11914 * gimple-low.c (lower_omp_directive): Remove dead code.
11915 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11916 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11917 * omp-low.c (struct omp_region): Move to tree-flow.h.
11918 (root_omp_region): Export.
11919 (omp_regions, lookup_omp_region): Remove.
11920 (determine_parallel_type): Update for struct omp_region changes.
11921 (dump_omp_region): Dump regions with block numbers.
11922 (new_omp_region): Take type and block instead of stmt; malloc
11924 (free_omp_region_1, free_omp_regions): New.
11925 (expand_parallel_call): Take entry_stmt as argument; update for
11926 changes to omp_region.
11927 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11928 (remove_exit_barriers): New.
11929 (expand_omp_parallel): Update for struct omp_region changes.
11930 (expand_omp_synch): Likewise.
11931 (expand_omp): Likewise.
11932 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11933 (expand_omp_for_static_chunk): Likewise.
11934 (expand_omp_for): Likewise.
11935 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11936 (expand_omp_sections): Similarly, with GOMP_sections_end.
11937 (expand_omp_single): New.
11938 (build_omp_regions_1): Update for OMP_CONTINUE.
11939 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11940 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11941 OMP_SECTIONS_SECTIONS.
11942 (lower_omp_single_simple): Don't emit barrier here.
11943 (lower_omp_single_copy): Likewise.
11944 (lower_omp_single): Fix bindings, and lower to straightline now.
11945 (lower_omp_master, lower_omp_ordered): Likewise.
11946 (lower_omp_critical): Likewise.
11947 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11948 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11949 omp edges, free it afterward.
11950 (make_omp_sections_edges): Remove.
11951 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11952 (move_stmt_r): Handle OMP_CONTINUE.
11953 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11954 statement pointers to basic blocks. Add type member.
11955 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11956 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11957 * tree-inline.c (estimate_num_insns_1): Likewise.
11958 * tree-pretty-print.c (dump_generic_node): Likewise.
11959 * tree-ssa-operands.c (get_expr_operands): Likewise.
11960 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11961 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11962 (OMP_CONTINUE): New.
11963 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11964 (OMP_SECTIONS_SECTIONS): Remove.
11965 (OMP_SECTION_LAST): New.
11966 (OMP_RETURN_NOWAIT): New.
11968 2006-04-13 Roger Sayle <roger@eyesopen.com>
11970 * fold-const.c (native_encode_vector, native_interpret_real):
11971 Correct obvious mistakes in the previous check-in.
11973 2006-04-13 Roger Sayle <roger@eyesopen.com>
11975 * fold-const.c (native_encode_expr): New function to encode
11976 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11977 or VECTOR_CST into a specified buffer.
11978 (native_encode_int): New function.
11979 (native_encode_real): New function.
11980 (native_encode_complex): New function.
11981 (native_encode_vector): New function.
11982 (native_interpret_expr): Inverse of native_encode_expr to convert
11983 a target representation into an INTEGER_CST, REAL_CST etc...
11984 (native_interpret_int): New function.
11985 (native_interpret_real): New function.
11986 (native_interpret_complex): New function.
11987 (native_interpret_vector): New function.
11988 (fold_view_convert_expr): New function to constant fold/evaluate
11989 a VIEW_CONVERT_EXPR of a suitable constant expression.
11990 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11991 Change call of build1 to fold_build1 when constructing a
11994 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11995 Ulrich Weigand <uweigand@de.ibm.com>
11998 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12001 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12004 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12005 optimize to lo_sum for DFmode if !TARGET_FPRS.
12007 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12009 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12010 delete_alias_info, compute_flow_sensitive_aliasing,
12011 group_aliases): Use VEC instead of VARRAY.
12012 * tree-ssa-structalias.c (update_alias_info): Likewise.
12013 * tree-ssa-structalias.h (alias_info): Change the type of
12014 processed_ptrs to VEC(tree,heap) *.
12016 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12019 * config/sh/lib1funcs.h: New file, broken out of:
12020 * config/sh/lib1funcs.asm.
12021 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12023 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12024 * config/sh/lib1funcs-Os-4-200.asm: New file.
12025 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12026 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12027 (EXTRA_MULTILIB_PARTS): Include it.
12028 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12029 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12030 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12031 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12034 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12036 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12037 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12038 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12040 * tree-ssa-live.h: Include vecprim.h.
12041 (tree_partition_associator_d): Change the type of
12042 first_partition to VEC(int,heap) *.
12043 (tpa_first_partition): Use VEC instead of VARRAY.
12045 * Makefile.in (GTFILES): Move functions.h after tree.h.
12046 * function.c (reset_block_changes, record_block_change,
12047 check_block_change, free_block_changes): Use VEC instead of
12049 * function.h (function): Change the type of
12050 ib_boundaries_block to VEC(tree,gc) *.
12051 * tree-inline.c (copy_cfg_body): Initialize
12052 ib_boundaries_block to NULL instead of (varray_type) 0.
12054 2006-04-12 Roger Sayle <roger@eyesopen.com>
12056 * expr.c (emit_group_store): Correct operand order in call to
12057 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12058 a SUBREG_BYTE of zero.
12060 2006-04-12 Richard Guenther <rguenther@suse.de>
12062 * profile.c (compute_branch_probabilities): Remove code
12063 encapsulated in !ir_type (), which are remanents of the
12064 removed RTL profiling code.
12065 * rtl-profile.c: Remove.
12067 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12069 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12070 magic NULL_RTX comment.
12071 (function_arg): Store entire fp arg to mem if any part should go
12073 (rs6000_arg_partial_bytes): Adjust for above change.
12075 2006-04-11 Roger Sayle <roger@eyesopen.com>
12077 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12078 if it hasn't been initialized by dwarf2out_init.
12080 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12082 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12083 symbolic constants in branch patterns.
12085 2006-04-11 Roger Sayle <roger@eyesopen.com>
12087 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12089 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12091 PR rtl-optimization/27073
12092 * gcse.c (try_replace_reg): Revert last change. Continue to search
12093 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12096 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12098 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12099 aggregate types other than record and union types.
12100 (function_arg): Likewise.
12101 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12103 (function_value): In 64-bit mode, return objects that require it
12106 2006-04-11 Roger Sayle <roger@eyesopen.com>
12108 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12110 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12112 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12114 2006-04-03 Jeff Law <law@redhat.com>
12117 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12118 alias information too.
12120 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12122 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12124 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12127 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12128 (premark_used_types_helper): New.
12129 (premark_used_types): New.
12130 (gen_subprogram_die): Call premark_used_types.
12131 (prune_unused_types_walk): Do not prune perennial dies.
12132 * function.c (used_types_insert): New.
12133 * function.h (struct function): Add used_types_hash field.
12134 (used_types_insert): Add prototype.
12135 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12136 * c-parser.c (c_parser_cast_expression): Save casted types in used
12139 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12142 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12143 rs6000_explicit_options.float_gprs.
12145 2006-04-10 Roger Sayle <roger@eyesopen.com>
12147 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12148 from ix86_expand_vector_init_low_nonzero. Take an additional
12149 one_var argument indicating which element is non-zero. Support
12150 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12151 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12152 with one_var instead of ix86_expand_vector_init_low_nonzero.
12154 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12156 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12157 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12158 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12159 build/genextract.o): Depend on vecprim.h.
12160 * cfglayout.c, df-problems.c, function.c, genextract.c,
12161 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12162 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12166 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12168 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12169 Declare VECs of this type.
12170 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12171 (remove_children): Delete.
12172 (add_dwarf_attr): Use VEC routines.
12173 (add_AT_flag): Update for changes to add_dwarf_attr.
12174 (add_AT_int): Likewise.
12175 (add_AT_unsigned): Likewise.
12176 (add_AT_long_long): Likewise.
12177 (add_AT_vec): Likewise.
12178 (add_AT_string): Likewise.
12179 (add_AT_die_ref): Likewise.
12180 (add_AT_fde_ref): Likewise.
12181 (add_AT_loc): Likewise.
12182 (add_AT_loc_list): Likewise.
12183 (add_AT_addr): Likewise.
12184 (add_AT_lbl_id): Likewise.
12185 (add_AT_lineptr): Likewise.
12186 (add_AT_macptr): Likewise.
12187 (add_AT_offset): Likewise.
12188 (add_AT_range_list): Likewise.
12189 (get_AT): Use VEC_iterate.
12190 (remove_AT): Use VEC_ordered_remove.
12191 (free_die): Fold remove_children into here; have it use VEC_iterate.
12192 (print_die): Use VEC_iterate on attrs.
12193 (reverse_die_lists): Don't reverse attr lists.
12194 (die_checksum): Use VEC_iterate on attrs.
12195 (same_die_p): Likewise.
12196 (output_location_lists): Likewise.
12197 (build_abbrev_table): Likewise.
12198 (size_of_die): Likewise.
12199 (unmark_all_dies): Likewise.
12200 (output_abbrev_section): Likewise.
12201 (output_die): Likewise.
12202 (prune_unused_types_walk_attribs): Likewise.
12204 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12206 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12208 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12211 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12213 2006-04-09 Roger Sayle <roger@eyesopen.com>
12215 * expr.c (store_constructor): Don't bother clearing target if
12216 we're about to assign a vector to it using vec_init_optab.
12218 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12220 * tree-ssa-alias.c (lhs_may_store_to): New function.
12221 (recalculate_used_alone): Handle LHS of calls.
12223 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12227 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12228 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12229 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12230 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12231 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12232 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12233 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12234 stubs. Add ".align 8" directives before all ".dword" directives.
12235 (GTHREAD_USE_WEAK): Revise comment.
12236 (TARGET_ATTRIBUTE_WEAK): Define.
12237 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12238 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12239 * stublib.c: New file.
12244 * pa.md (cbranch patterns): Revise arguments used in calls to
12245 output_cbranch, output_bb and output_bvd. Add long branch length
12247 (fbranch patterns): Handle long branches.
12248 (jump): Revise length check. Revise arguments for output_lbranch call.
12249 Add long branch length attributes.
12250 (decrement_and_branch_until_zero): Add long branch length attributes.
12251 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12252 Likewise. Revise arguments for output_parallel_addb and
12253 output_parallel_movb calls.
12254 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12255 output_parallel_movb and output_parallel_addb): Update prototypes.
12256 * pa.c (output_cbranch): Revise arguments. Correct handling of
12257 nullification in long branches.
12258 (output_lbranch): Add new argument to control extraction of delay
12260 (output_bb): Handle long branches.
12261 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12262 output_parallel_addb): Likewise.
12264 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12266 PR rtl-optimization/27073
12267 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12270 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12272 * tree.h (tree_memory_tag): Add old_used_alone.
12273 (SMT_OLD_USED_ALONE): New macro.
12274 * tree-ssa-alias.c (recalculate_used_alone): Stop
12275 marking things for renaming unnecessarily.
12277 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12279 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12280 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12281 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12282 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12283 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12284 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12285 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12286 spelling convensions.
12287 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12288 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12289 typos. Follow spelling conventions.
12291 2006-04-07 DJ Delorie <dj@redhat.com>
12293 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12294 passed on the stack.
12295 (m32c_init_cumulative_args): When a function returns a structure,
12296 always pass the pointer to that return area on the stack.
12297 (m32c_function_arg_advance): Don't increment the parameter number
12298 if we're processing the returned structure pointer.
12299 (pushm_info): Reverse order of registers.
12301 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12303 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12304 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12305 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12306 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12307 build_int_cst_type.
12308 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12309 chrec_fold_multiply): Same.
12310 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12311 force_expr_to_var_cost): Same.
12312 * tree-mudflap.c (mf_xform_derefs_1): Same.
12313 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12315 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12317 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12318 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12321 2006-04-07 Jan Hubicka <jh@suse.cz>
12323 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12325 2006-04-07 Richard Guenther <rguenther@suse.de>
12327 PR tree-optimization/26135
12328 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12329 loads for store copy-prop.
12330 (copy_prop_visit_stmt): Likewise.
12332 2006-04-05 Robert Millan <robertmh@gnu.org>
12334 * config/i386/linux.h: Add a comment to mark macros that are
12335 being overriden in config/k*bsd-gnu.h.
12336 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12338 * config/knetbsd-gnu.h: Ditto.
12340 2006-04-06 Jan Hubicka <jh@suse.cz>
12344 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12347 2006-04-06 Mike Stump <mrs@apple.com>
12349 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12350 for HAVE_nonlocal_goto to be consistent.
12351 (expand_builtin_nonlocal_goto): Likewise.
12352 (expand_builtin_strcmp): Use #ifdef instead of #if
12353 for HAVE_cmpstrnsi to be consistent.
12355 2006-04-05 DJ Delorie <dj@redhat.com>
12357 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12360 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12362 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12363 got-relative addressing for anything but SImode.
12365 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12366 even if the calling function doesn't modify them.
12368 2006-04-05 Richard Guenther <rguenther@suse.de>
12370 PR tree-optimization/26919
12371 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12372 to cgraph_estimate_size_after_inlining.
12374 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12376 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12378 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12380 PR tree-optimization/26996
12381 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12382 VECTOR_TYPE variables.
12384 2006-04-05 Richard Guenther <rguenther@suse.de>
12386 PR tree-optimization/26763
12387 * fold-const.c (fold_comparison): Move folding of
12388 PTR + CST CMP PTR + CST ...
12389 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12391 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12393 * doc/install.texi (Prerequisites): Refine some wording on
12394 bootstrapping and ksh.
12395 Move the version numbers of DejaGnu here from the testing section
12396 and fix casing of names.
12397 Fix markup and clarify wording for autogen requirements.
12398 Refer to GCJ instead of just java.
12399 Refer to SVN instead of CVS.
12400 Describe diffutils as useful instead of necessary.
12401 (Downloading the source): Refer to SVN instead of CVS.
12402 Adjust a link to our web site accordingly.
12403 (Configuration): Fix casing of Bison.
12404 (Building): Refer to SVN instead of CVS.
12405 Fix a sentence on the use of Bison and remove duplicate (and
12406 incorrect) version number of Bison requirement.
12407 Remove one redundant list of packages needed for building.
12408 (Specific): Avoid reference to CVS.
12410 2006-04-04 Eric Christopher <echristo@apple.com>
12412 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12413 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12414 (rs6000_handle_struct_attribute): New.
12415 (rs6000_ms_bitfield_layout_p): Ditto.
12417 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12419 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12420 NULL for dso parameter to atexit_common.
12422 2006-04-04 Eric Christopher <echristo@apple.com>
12424 * config/i386/i386.c (machopic_output_stub): Output \t
12425 between instructions and operands.
12427 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12429 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12430 satisfies_constraint_[IL] to explicit tests on value.
12432 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12434 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12435 set_nb_iterations_in_loop): Use build_int_cst instead of
12436 build_int_cst_type.
12437 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12438 build_int_cst instead of convert.
12440 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12442 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12443 new value 2 for incoming.
12444 * function.c (expand_function_start): Call struct_value_rtx
12445 with incoming as 2.
12446 * config/sparc/sparc.md: Comment updated_return.
12447 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12448 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12449 struct return if sparc_std_struct_return and incoming is 2.
12450 (print_operand): Do not adjust return if
12451 sparc_std_struct_return.
12453 2006-04-04 Roger Sayle <roger@eyesopen.com>
12455 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12456 convert in the middle-end.
12457 * expr.c (store_expr, store_constructor, get_inner_reference,
12458 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12460 * tree.c (build_range_type): Likewise.
12462 2006-04-04 Tom Tromey <tromey@redhat.com>
12464 * doc/install.texi (Prerequisites): Mention jar.
12466 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12468 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12471 2006-04-04 Matthias Klose <doko@debian.org>
12473 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12477 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12480 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12482 * doc/extend.texi (Function Attributes): Rewrite visibility
12483 attribute documentation.
12484 * doc/invoke.texi (C++ Dialect Options): Rewrite
12485 -fvisibility-inlines-hidden documentation to describe something
12486 entirely different, although in practise compatible.
12487 (Code Gen Options): Warn about system headers in -fvisibility=
12490 * doc/extend.texi (Other Builtins): Document that
12491 __builtin_nan is a compile-time constant only when its argument
12494 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12496 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12497 trying to remove TRUNCATE check if all bits outside the new mode
12498 are identical to the sign bit.
12500 2006-04-03 Jeff Law <law@redhat.com>
12502 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12503 and operand scanning in some common cases.
12505 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12506 Dale Johannesen <dalej@apple.com>
12509 * regclass.c (struct reg_pref): Update documentation.
12510 (regclass): Set prefclass to NO_REGS if memory is the best option.
12511 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12512 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12513 into account. For non-registers, equate an empty preferred
12514 reload class to a `!' in the constraint; move the if clause to
12515 do so after those that reject the insn.
12516 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12518 (find_dummy_reload): Likewise.
12519 * doc/tm.texi (Register Classes): Document what it means
12520 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12521 * config/i386/i386.c (ix86_preferred_reload_class): Force
12522 using SSE registers (and return NO_REGS for floating-point
12523 constants) if math is done with SSE.
12524 (ix86_preferred_output_reload_class): New.
12525 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12526 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12527 * config/i386/i386.md: Remove # register preferences.
12529 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12532 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12533 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12534 the type of nb_iter.
12535 (instantiate_parameters_1): Convert the operands before calling
12536 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12537 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12539 2006-04-02 Roger Sayle <roger@eyesopen.com>
12541 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12542 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12543 instead of convert.
12544 * dojump.c (do_jump): Likewise.
12545 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12546 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12547 gimplify_boolean_expr): Likewise.
12548 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12549 * varasm.c (array_size_for_constructor): Likewise.
12550 * tree-object-size.c (compute_object_offset): Likewise.
12552 2006-04-02 Roger Sayle <roger@eyesopen.com>
12554 PR middle-end/26977
12555 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12556 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12558 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12560 PR tree-optimization/26939
12561 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12563 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12565 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12566 at_stmt. Convert the type of operands before calling
12567 build_polynomial_chrec.
12568 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12569 add_to_evolution_1.
12570 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12571 (instantiate_parameters_1): Convert the type of operands before calling
12572 build_polynomial_chrec.
12573 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12574 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12575 reset_evolution_in_loop): Insert asserts to check the types of the
12577 (chrec_type): Moved...
12578 (eq_evolutions_p): Use operand_equal_p.
12579 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12580 the types of the operands.
12581 (chrec_type): ...here.
12582 * tree-data-ref.c (create_data_ref): Convert the operands before
12583 calling chrec_replace_initial_condition.
12584 (same_access_functions, analyze_subscript_affine_affine,
12585 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12586 (compute_subscript_distance, analyze_ziv_subscript,
12587 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12588 analyze_miv_subscript): Convert the operands before calling
12589 chrec_fold_minus or chrec_fold_plus.
12591 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12593 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12594 the dependence_relations vector.
12595 (compute_data_dependences_for_loop): Adjust call to
12596 compute_all_dependences.
12598 2006-04-01 Roger Sayle <roger@eyesopen.com>
12599 Richard Henderson <rth@redhat.com>
12601 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12602 gimple_boolify on the condition before calling gimplify_expr.
12604 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12606 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12607 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12608 the frame size. Update to use the new macros.
12609 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12610 * config/xtensa/ieee754-df.S: Likewise.
12612 2006-03-31 Richard Henderson <rth@redhat.com>
12614 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12615 (make_edges): ... here. Control fallthru creation with a local
12616 variable. Do not play with fake edges.
12617 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12618 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12621 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12623 * dwarf2.h (DW64_CIE_ID): Define.
12624 * dwarf2out.c (DWARF_CIE_ID): Define.
12625 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12626 length header. Use DWARF_CIE_ID.
12627 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12628 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12630 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12632 * config/sh/linux-atomic.asm: New file.
12633 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12635 2006-03-31 DJ Delorie <dj@redhat.com>
12637 * config/m32c/cond.md: Set condition flags properly throughout.
12638 * config/m32c/minmax.md: Likewise.
12639 * config/m32c/prologue.md: Likewise.
12640 * config/m32c/bitops.md: Likewise.
12641 * config/m32c/muldiv.md: Likewise.
12642 * config/m32c/mov.md: Likewise.
12643 * config/m32c/addsub.md: Likewise.
12644 * config/m32c/m32c.md: Likewise.
12645 * config/m32c/jump.md: Likewise.
12646 * config/m32c/shift.md: Likewise.
12648 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12649 conditionally output the pattern for this.
12650 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12651 (m32c_compare_redundant): New.
12652 (m32c_output_compare): New.
12653 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12655 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12656 dest, not src. Allow other 4-byte modes.
12658 2006-03-30 Denis Chertykov <denisc@overta.ru>
12660 * doc/md.texi: Refer to avr/constraints.md instead of
12663 2006-03-30 Roger Sayle <roger@eyesopen.com>
12665 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12666 signed vs. unsigned comparison failures on some hosts.
12668 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12671 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12672 change to FLOAT_REGS.
12674 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12675 (rs6000_override_options): Use it.
12676 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12677 only for -mabi=spe/no-spe and -mabi=altivec.
12679 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12681 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12684 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12686 * Makefile.in: Rename docdir to gcc_docdir.
12688 2006-03-30 Roger Sayle <roger@eyesopen.com>
12691 * expr.c (emit_group_store): Optimize group stores into a pseudo
12692 register by using a paradoxical subreg to initialize the destination
12693 if the first or last member of the group specifies a "low part".
12695 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12698 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12699 * target.h (struct gcc_target.speculate_insn): Change type of the
12700 second parameter to 'int'.
12701 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12702 the second operand of the DEPS_LIST.
12703 (copy_DEPS_LIST_list): Update reference to the second operand of the
12705 * rtl.h (alloc_DEPS_LIST): Update signature.
12706 * sched-int.h (ds_t): Change typedef to 'int'.
12707 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12709 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12711 * haifa-sched.c (try_ready): Change condition to restore
12712 non-speculative pattern of the instruction.
12713 (process_insn_depend_be_in_spec): Code to keep probability of the
12714 speculative dependence non-decreasing.
12716 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12718 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12719 (single_move_for_movmem): ... this. Also change all uses.
12720 (bfin_expand_strmov): Renamed to...
12721 (bfin_expand_movmem): ... this. Also change all uses.
12722 * config/bfin/bfin.md (movstrsi): Renamed to...
12723 (movstrsi): ...this.
12725 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12727 PR tree-optimization/26830
12729 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12730 (copy_prop_visit_stmt): Remove write-only variable ann.
12731 (init_copy_prop): Check variable loop depth here. Do not simulate
12732 memory-tag and virtual operand PHIs except for store copy prop.
12734 2006-03-30 Richard Guenther <rguenther@suse.de>
12736 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12737 variants with double arguments.
12739 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12741 * genpreds.c (write_tm_constrs_h): Delete variable p.
12742 * genconditions.c (write_header): Add tm-constrs.h to included
12744 * genpeep.c (main): Add toplev.h to included headers.
12745 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12746 (build/genpeep.o): Add toplev.h dependency.
12747 * config/rs6000/constraints.md: Add "W" constraint.
12749 2006-03-29 Roger Sayle <roger@eyesopen.com>
12751 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12752 sizes by correctly testing whether the size fits a host integer.
12753 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12754 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12755 SImode range for the default sizetype and bitsizetype.
12757 2006-03-29 Roger Sayle <roger@eyesopen.com>
12759 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12760 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12761 quickly if the argument is already of the correct type.
12762 Call fold_build1 instead of build1. Tidy up blank lines.
12764 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12766 * genemit.c (main): Add tm-constrs.h to included headers.
12767 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12768 * genpeep.c (main): Add tm-constrs.h to included headers.
12769 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12770 (write_tm_constrs_h): this and write complete file.
12771 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12772 (write_insn_preds_c): Add tm-constrs.h to included headers.
12773 (gen_constrs): New variable.
12774 (parse_option): Parse "-c".
12775 (main): Invoke write_tm_constrs_h.
12776 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12777 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12778 (object_out_file): Add tm-constrs.h dependency.
12779 (insn-emit.o): Same.
12780 (insn-output.o): Same.
12781 (insn-peep.o): Same.
12782 (insn-preds.o): Same.
12783 (insn-recog.o): Same.
12784 (tm-constsr.h): New target.
12785 (s-constrs-h): New target.
12787 * config/rs6000/constraints.md: New file.
12788 * config/rs6000/rs6000.c: Include tm-constrs.h.
12789 (num_insn_constant_wide): Convert to satisfies_constraint.
12790 (rs6000_rtx_costs): Convert to satisfies_constraint.
12791 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12792 (CONST_OK_FOR_LETTER_P): Delete.
12793 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12794 (EXTRA_CONSTRAINT): Delete.
12795 (EXTRA_MEMORY_CONSTRAINT): Delete.
12796 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12797 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12798 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12799 satisfies_constraint.
12801 * config/i386/i386.c: Include tm-constrs.h.
12803 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12805 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12806 * tree-data-ref.c (find_data_references_in_loop,
12807 compute_data_dependences_for_loop): Use pointers to VEC.
12808 (analyze_all_data_dependences): Adjust calls.
12809 * tree-data-ref.h (find_data_references_in_loop,
12810 compute_data_dependences_for_loop): Adjust declarations.
12811 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12812 compute_data_dependences_for_loop.
12814 2006-03-29 Paul Brook <paul@codesourcery.com>
12816 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12817 (movdf_vfp): Ditto.
12819 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12821 PR tree-optimization/26859
12822 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12824 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12825 for the step after fold_convert.
12827 2006-03-29 Paul Brook <paul@codesourcery.com>
12829 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12830 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12832 2006-03-29 Paul Brook <paul@codesourcery.com>
12834 PR middle-end/23623
12835 * targhooks.c (default_narrow_bitfield): New fuction.
12836 * targhooks.h (default_narrow_bitfield): add prototype.
12837 * target.h (gcc_target): Add narrow_volatile_bitfield.
12838 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12839 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12840 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12841 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12843 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12845 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12847 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12848 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12849 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12850 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12851 (s390_function_arg_float): Allow SDmode and DDmode values to be
12852 passed in floating point registers.
12853 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12854 check with SCALAR_FLOAT_MODE_P.
12855 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12857 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12859 PR tree-optimization/25985
12860 * tree-ssa-loop-niter.c (number_of_iterations_le,
12861 number_of_iterations_ne): Make comments more precise.
12862 (number_of_iterations_cond): Add only_exit argument. Use the
12863 fact that signed variables do not overflow only when only_exit
12865 (loop_only_exit_p): New.
12866 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12867 number_of_iterations_cond.
12869 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12871 PR tree-optimization/26643
12872 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12875 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12877 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12878 (divsi3_i4_int): Likewise.
12880 2006-03-28 Roger Sayle <roger@eyesopen.com>
12882 * expr.c (emit_group_store): Only create a new pseudo reg if the
12883 quantity it needs to hold isn't already a suitable pseudo.
12885 2006-03-28 Jeff Law <law@redhat.com>
12887 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12888 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12890 2006-03-28 Roger Sayle <roger@eyesopen.com>
12892 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12893 the equivalent ~X & Y, and the symmetry related transformations.
12894 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12895 ~X & Y, and symmetry related transforms.
12897 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12899 Revert my 2006-03-27 patches.
12901 2006-03-28 Roger Sayle <roger@eyesopen.com>
12903 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12904 ~(T1)X, when T1 and T2 are integer types of the same precision
12905 and (T2)X isn't an extension.
12907 2006-03-28 Jeff Law <law@redhat.com>
12909 PR tree-optimization/26796
12910 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12911 need EH edge cleanups rather than purging them immediately.
12912 (eliminate_degenerate_phis): Handle queued EH cleanups.
12914 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12916 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12919 2006-03-27 Roger Sayle <roger@eyesopen.com>
12921 PR middle-end/22524
12922 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12923 cast BIT_NOT_EXPR operand to the correct type.
12925 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12927 * tree-loop-linear.c: Don't include varray.h.
12928 (gather_interchange_stats, try_interchange_loops,
12929 linear_transform_loops): Use VEC instead of VARRAY.
12930 * lambda-mat.c: Don't include varray.h.
12931 * tree-chrec.c: Same.
12932 * lambda-trans.c: Same.
12933 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12934 VEC instead of VARRAY.
12935 * tree-vectorizer.h: Idem.
12936 * tree-data-ref.c (dump_data_references,
12937 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12938 initialize_data_dependence_relation, finalize_ddr_dependent,
12939 compute_all_dependences, find_data_references_in_loop,
12940 compute_data_dependences_for_loop, analyze_all_data_dependences,
12941 free_dependence_relation, free_dependence_relations,
12942 free_data_refs): Idem.
12943 * tree-data-ref.h (data_reference_p, subscript_p): New.
12944 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12945 VEC instead of VARRAY.
12946 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12947 (find_data_references_in_loop, compute_data_dependences_for_loop,
12948 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12949 dump_data_dependence_relations, free_dependence_relations,
12950 free_data_refs): Adjust declaration.
12951 (lambda_transform_legal_p): Move declaration here...
12952 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12953 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12954 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12955 vect_analyze_data_refs): Use VEC instead of VARRAY.
12956 * lambda.h (lambda_transform_legal_p): ...from here.
12957 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12958 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12959 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12960 tree-chrec.o): Don't depend on VARRAY_H.
12962 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12964 * rtl.def (Copyright): Update date.
12965 (DEPS_LIST): Change type of the second operand to 'int'.
12966 * target.h (Copyright): Update date.
12967 (struct gcc_target.speculate_insn): Change type of the second parameter
12969 * lists.c (Copyright): Update date.
12970 (alloc_DEPS_LIST): Change signature. Update reference to the second
12971 operand of the DEPS_LIST.
12972 (copy_DEPS_LIST_list): Update reference to the second operand of the
12974 * rtl.h (Copyright): Update date.
12975 (alloc_DEPS_LIST): Update signature.
12976 * sched-int.h (Copyright): Update date.
12977 (ds_t): Change typedef to 'int'.
12978 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12980 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12982 * haifa-sched.c (Copyright): Update date.
12983 (try_ready): Change condition to restore non-speculative pattern
12984 of the instruction.
12985 (process_insn_depend_be_in_spec): Code to keep probability of the
12986 speculative dependence non-decreasing.
12988 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12990 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12991 shut up the compiler.
12993 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12995 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12996 to use lib prefix for target.
12997 ($(T)libic_invalidate_array_4-200.a): Likewise.
12998 ($(T)libic_invalidate_array_4a.a): Likewise.
13000 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13001 J"orn Rennecke <joern.rennecke@st.com>
13003 * superh.opt: New file.
13004 * sh.c (boardtype, osruntime): Remove.
13005 * superh.h (SUBTARGET_OPTIONS): Remove.
13006 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13008 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13009 arguments with ^ and/or [].
13011 * config.gcc (sh-*-*): Add quoting to account for quirk of
13013 Replace == with = in enable_incomplete_targets test.
13015 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13016 with MASK_LITTLE_ENDIAN.
13018 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13019 * config/sh/sh.opt: Added to some comments.
13020 * config/sh/superh.h: Removed some chaff.
13022 * config/sh/sh.opt: Add m4-[1234]00* options.
13023 * config/sh/sh.c (sh_handle_option): Likewise.
13024 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13025 (ic_invalidate_array_4-100.o): New rule.
13026 ($(T)libic_invalidate_array_4-100.a): Likewise.
13027 (ic_invalidate_array_4-200.o): Likewise.
13028 ($(T)libic_invalidate_array_4-200.a): Likewise.
13029 (ic_invalidate_array_4a.o): Likewise.
13030 ($(T)libic_invalidate_array_4a.a): Likewise.
13031 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13032 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13034 * config/sh/crt1.asm: Merged in profiling code.
13035 * config/sh/superh.h (STARTFILE_SPEC): Override.
13036 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13037 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13038 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13040 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13041 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13042 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13044 * sh.opt (mpretend-cmove): New option.
13045 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13046 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13047 (movsicc): Add TARGET_PRETEND_CMOVE code.
13049 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13051 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13052 s390_class_max_nregs): New function prototypes.
13053 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13054 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13055 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13056 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13058 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13060 * dwarf2out.c (add_location_or_const_value_attribute): Call
13061 tree_add_const_value_attribute if nothing else works.
13062 (reference_to_unused): New.
13063 (rtl_for_decl_init): Use reference_to_unused to decide whether
13064 to output an initializer.
13066 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13069 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13070 peephole removing spe frob_di_df_2.
13072 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13074 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13075 (subscript_dependence_tester_1): Declared.
13076 (print_dir_vectors, print_dist_vectors): New.
13077 (debug_data_dependence_relation): New.
13078 (dump_data_dependence_relation): Print more details.
13079 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13080 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13081 (save_dist_v, save_dir_v, add_outer_distances,
13082 build_classic_dist_vector_1): New.
13083 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13084 Don't test for lambda_vector_lexico_pos.
13085 (same_access_functions, add_multivariate_self_dist,
13086 add_other_self_distances, dir_from_dist): New.
13087 (build_classic_dir_vector): Replace implementation almost identical to
13088 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13090 (subscript_dependence_tester_1): New.
13091 (subscript_dependence_tester): Handle the lexicographically negative
13092 distance vectors by recomputing the dependence relation.
13093 (compute_affine_dependence): Remove parameter loop_nest_depth.
13094 (compute_self_dependence): Don't call compute_subscript_distance.
13095 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13096 Add a parameter for the loop_nest.
13097 (find_loop_nest_1, find_loop_nest): New.
13098 (compute_data_dependences_for_loop): Compute the loop nest, and give
13099 up if the nest is not well formed.
13100 * tree-data-ref.h (loop_p): New.
13101 (struct data_dependence_relation): Replace size_vect field with
13102 loop_nest, a vec of loops.
13103 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13104 (DDR_LOOP_NEST): New.
13105 (print_dir_vectors, print_dist_vectors,
13106 debug_data_dependence_relation): Declared.
13107 (index_in_loop_nest): New.
13108 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13109 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13112 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13114 * simplify-rtx.c (simplify_relational_operation): Call
13115 simplify_relational_operation_1 even if mode is VOIDmode.
13117 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13119 PR tree-optimization/26804
13120 * tree.h (DECL_CALL_CLOBBERED): New macro.
13121 (tree_decl_common): Add call_clobbered_flag.
13122 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13123 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13124 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13125 (mark_non_addressable): Ditto.
13126 * tree-ssa.c (verify_call_clobbered): New function.
13127 (verify_alias_info): Use it.
13128 * tree-pass.h (pass_reset_cc_flags): New prototype.
13129 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13130 (reset_cc_flags): New function.
13131 * passes.c (init_optimization_passes): Call reset_cc_flags after
13132 initializing referenced_vars.
13134 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13135 Roger Sayle <roger@eyesopen.com>
13137 PR middle-end/26717
13138 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13139 to 1.0 for non-real operands. Implement A / A optimization for
13142 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13144 * config/i386/i386.c (size_cost): Correct the comment for
13145 cost of storing fp registers.
13146 (i386_cost): Likewise.
13147 (i486_cost): Likewise.
13148 (pentium_cost): Likewise.
13149 (pentiumpro_cost): Likewise.
13150 (k6_cost): Likewise.
13151 (athlon_cost): Likewise.
13152 (k8_cost): Likewise.
13153 (pentium4_cost): Likewise.
13154 (nocona_cost): Likewise.
13155 (generic64_cost): Likewise.
13156 (generic32_cost): Likewise.
13158 2006-03-24 Denis Chertykov <denisc@overta.ru>
13160 * config/avr/avr-protos.h (extra_constraint): Delete.
13161 (extra_constraint_Q): New declaration.
13162 * config/avr/constraints.md: New file.
13163 * config/avr/avr.md: Include it.
13164 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13165 (TMP_REGNO, ZERO_REGNO): Likewise.
13166 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13167 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13168 (extra_constraint): Delete.
13169 (extra_constraint_Q): Test for memory constraint 'Q'.
13170 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13171 (REG_CLASS_FROM_LETTER): Delete.
13172 (CONST_OK_FOR_LETTER_P): Delete.
13173 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13174 (EXTRA_CONSTRAINT): Delete.
13175 (TMP_REGNO): Delete.
13176 (ZERO_REGNO): Delete.
13178 2006-03-24 Jeff Law <law@redhat.com>
13180 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13181 directly. Call mark_new_vars_to_rename slightly earlier.
13183 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13185 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13186 (is_cxx): Likewise.
13187 (gen_compile_unit_die): Use new language types for Objective-C and
13189 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13190 DW_LANG_C_plus_plus.
13193 * config/t-darwin (crt3.o): Work around bug 26840.
13194 * config/darwin-crt3.c: Rewrite.
13195 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13197 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13199 * doc/invoke.texi: Document -femit-class-debug-always
13200 * common.opt: Add -femit-class-debug-always.
13202 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13204 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13205 index and base register.
13206 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13207 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13208 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13209 REGNO_OK_FOR_INDEX_P.
13210 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13212 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13213 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13214 REG_OK_FOR_BASE_P): Definitions removed.
13216 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13218 PR middle-end/26611
13219 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13220 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13221 set yet or weren't marked as local yet.
13223 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13225 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13228 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13230 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13231 (rs6000_legitimate_small_data_p): Delete.
13232 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13233 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13234 and make static. Add forward declaration. Update uses.
13235 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13236 of offsettable_memref_p.
13237 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13238 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13240 2006-03-24 Jeff Law <law@redhat.com>
13242 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13243 around bug in immediate-use iterator.
13245 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13248 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13249 or __LITTLE_ENDIAN__.
13251 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13253 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13254 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13255 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13256 * config/sh/sh.opt (mdiv=): Amend description.
13257 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13258 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13259 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13260 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13261 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13262 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13263 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13264 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13265 TARGET_DIVIDE_CALL_FP.
13267 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13269 * haifa-sched.c (choose_ready): Fix type of the local variable.
13270 Move local variables. Add comment.
13271 (check_reg_live): Change signature. Make callable from debugger.
13272 * sched-int.h (check_reg_live): Update signature.
13273 * sched-ebb.c (check_reg_live): Update parameters.
13274 * sched-rgn.c (check_reg_live): Ditto.
13275 (region_head_or_leaf_p): Check pointer before dereferencing.
13276 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13277 before reload on optimization levels below 1.
13279 2006-03-23 Richard Henderson <rth@redhat.com>
13281 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13285 * config/alpha/predicates.md (local_symbolic_operand): Reject
13288 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13291 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13292 expressions which have overflowed constants.
13294 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13296 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13298 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13300 * cfgloopmanip.c (create_loop_notes): Removed.
13301 * final.c (final_scan_insn): Do not handle loop notes.
13302 * jump.c (squeeze_notes): Ditto.
13303 * cfglayout.c (skip_insns_after_block,
13304 duplicate_insn_chain): Ditto.
13305 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13307 * cfgloop.h (create_loop_notes): Declaration removed.
13309 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13311 * varasm.c (output_constant_pool): Restore fnname and fndecl
13313 (assemble_start_function): Adjust call accordingly.
13314 (assemble_end_function): Likewise.
13316 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13319 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13322 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13324 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13327 * system.h (ICE_EXIT_CODE): New macro.
13328 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13329 (diagnostic_action_after_output): Likewise.
13330 * gcc.c (fatal_ice): New function.
13331 (execute): Use it instead of fatal.
13332 (fancy_abort): Likewise.
13333 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13335 2006-03-22 Jeff Law <law@redhat.com>
13337 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13338 iv_analyze_result returning false.
13340 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13342 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13344 2006-03-22 Richard Henderson <rth@redhat.com>
13346 PR middle-end/26084
13347 * except.c (duplicate_eh_regions_0): New.
13348 (duplicate_eh_region_1): Duplicate the children of the node as
13349 well as the node itself. Link them up properly.
13350 (duplicate_eh_region_2): Merge into ...
13351 (duplicate_eh_regions): ... here. Take copy_region argument, and
13352 copy only a sub-tree if asked. Simplify copying and fixup.
13353 (eh_region_outer_p): New.
13354 * except.h (duplicate_eh_regions): Update decl.
13355 (eh_region_outer_p): Declare.
13356 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13357 (lower_omp_master): Likewise.
13358 (lower_omp_ordered): Likewise.
13359 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13360 (move_stmt_r): Use it to remap labels. Handle recursion vs
13361 remap_decls_p properly.
13362 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13363 (find_outermost_region_in_block): New.
13364 (new_label_mapper): New.
13365 (move_sese_region_to_fn): Copy eh information to the new function
13367 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13369 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13372 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13374 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13375 into shared libraries.
13377 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13379 * doc/md.texi: Refer to i386/constraints.md instead of
13380 i386/predicates.md.
13381 * config/i386/constraints.md: New file, extracted from...
13382 * config/i386/predicates.md: ...here.
13383 * config/i386/i386.md: Include constraints.md.
13385 2006-03-21 Jason Merrill <jason@redhat.com>
13387 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13389 PR middle-end/20297
13390 * expr.c (init_block_move_fn): Force default visibility.
13391 (init_block_clear_fn): Likewise.
13392 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13393 * targhooks.c (default_external_stack_protect_fail): Likewise.
13395 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13397 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13398 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13399 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13400 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13401 (loadgp): Use mips_current_loadgp_style.
13402 (loadgp_noshared): New pattern.
13403 (sibcall_internal): Use MIPS_CALL.
13404 (sibcall_value_internal): Likewise.
13405 (sibcall_value_multiple_internal): Likewise.
13406 (call_internal): Likewise.
13407 (call_value_internal): Likewise.
13408 (call_value_multiple_internal): Likewise.
13409 (call_split): Use MIPS_CALL and add an 'S' constraint.
13410 (call_value_split): Likewise.
13411 (call_value_multiple_split): Likewise.
13412 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13413 (-mshared): New option.
13414 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13415 (mips_current_loadgp_style): Declare.
13416 * config/mips/mips.c (mips_classify_symbol): Avoid using
13417 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13418 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13419 TARGET_ABSOLUTE_ABICALLS.
13420 (override_options): Adjust comments. Improve the warning that is
13421 issued when -mabicalls and -G are used together.
13422 (mips_file_start): Remove comment.
13423 (mips_current_loadgp_style): New function.
13424 (mips_gnu_local_gp): New variable.
13425 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13427 (mips_output_function_prologue): Use mips_current_laodgp_style.
13428 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13429 the cprestore instruction.
13430 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13431 live for TARGET_ABSOLUTE_ABICALLS.
13432 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13433 (ASM_SPEC): Pass down -mshared and -mno-shared.
13434 (MIPS_CALL): New macro.
13435 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13437 * doc/invoke.texi (-mabicalls): Update documentation.
13438 (-mshared): Document.
13440 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13442 * config/ia64/unwind-hpux.c: New file.
13443 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13445 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13448 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13450 2006-03-21 Jeff Law <law@redhat.com>
13452 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13453 type conversions of a VR_VARYING source to a wider type.
13455 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13457 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13458 tm_file on Solaris 10 and later.
13459 (sparc64-*-solaris2*): Likewise.
13460 (sparc-*-solaris2*): Likewise.
13461 * config/sol26.h: Rename to config/sol2-6.h.
13462 * config/sol2-10.h: New file.
13464 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13467 * tree-ssa-pre.c (create_component_ref_by_pieces):
13470 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13473 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13474 return it immediately.
13476 2006-03-21 Michael Matz <matz@suse.de>
13478 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13480 (remove_arc, add_arc): Update num_out_arcs member.
13481 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13483 (cache_presence): New function.
13484 (compare_states_for_equiv): New function.
13485 (state_is_differed): Don't take number of outargs, adjust callers.
13486 Use new invariant for speeding up.
13487 (init_equiv_class): Create initial classes based on sorted
13489 (partition_equiv_class): Don't track out_arcs_num.
13490 (evaluate_equiv_classes): Call cache_presence on all states and
13493 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13495 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13496 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13497 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13498 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13500 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13501 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13502 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13503 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13504 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13506 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13507 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13508 (REGNO_REG_CLASS): ARGP is in PREGS.
13509 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13511 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13512 to deal with those addresses.
13513 * addresses.h: New file.
13514 * caller-save.c: Include "addresses.h".
13515 (init_caller_save): Use new base_reg_class function.
13516 * rtl-factoring.c: Include "addresses.h".
13517 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13518 * recog.c: Include "addresses.h".
13519 (preprocess_constraints): Use new base_reg_class function.
13520 * regrename.c: Include "addresses.h".
13521 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13522 functions. Keep track of a new var INDEX_CODE to compute valid
13524 (replace_oldest_value_addr): Likewise.
13525 (replace_oldest_value_mem): Use base_reg_class.
13526 * reload.c: Include "addresses.h".
13527 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13528 (find_reloads): Use new base_reg_class function.
13529 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13530 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13531 all callers and prototype changed.
13532 * reload1.c: Include "addresses.h".
13533 (maybe_fix_stack_asms): Use base_reg_class.
13534 * regclass.c: Include "addresses.h".
13535 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13536 (init_reg_autoinc): Use new base_reg_class function.
13537 (record_reg_classes): Likewise.
13538 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13539 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13540 Use new args to compute necessary class.
13542 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13543 regrename.o, rtl-factoring.o): Update dependencies.
13544 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13545 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13546 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13547 REG_OK_FOR_INDEX_P): Delete documentation.
13549 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13551 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13552 from V7 to V9 for Solaris 7 and above.
13554 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13556 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13557 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13558 argument pointers may not alias any other storage.
13559 * common.opt: Define option -fargument-noalias-anything.
13560 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13561 alias semantics is specified by flag_argument_noalias > 2.
13563 2006-03-20 Jeff Law <law@redhat.com>
13565 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13566 (pass_phi_only_cprop): Declare.
13567 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13568 with phi_only_cprop
13569 * tree-ssa-dom.c (degenerate_phi_result): New function.
13570 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13571 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13572 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13573 (eliminate_degenerate_phis): Likewise.
13574 (pass_phi_only_cprop): New pass descriptor.
13575 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13576 support code. Callers updated.
13577 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13578 (store_copy_prop): Likewise.
13579 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13581 2006-03-20 Jason Merrill <jason@redhat.com>
13584 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13585 (push_visibility, pop_visibility): Likewise.
13586 * c-pragma.h: Declare them.
13588 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13590 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13592 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13593 parameter and use get_ebb_head_tail.
13594 (sh_md_init_global): Adjust uses of find_regmode_weight.
13596 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13598 * function.h (struct function) <x_tail_recursion_reentry>:
13599 Rename to x_stack_check_probe_note.
13600 (tail_recursion_reentry): Rename to stack_check_probe_note.
13601 * function.c: Replace tail_recursion_reentry with
13602 stack_check_probe_note everywhere.
13603 (expand_function_start): Only emit a note for
13604 stack_check_probe_note with -fstack-protect.
13605 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13607 * emit-rtl.c (remove_unnecessary_notes): Remove.
13608 (pass_remove_unnecessary_notes): Remove.
13609 * rtl.h (remove_unnecessary_notes): Remove prototype.
13610 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13611 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13612 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13614 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13617 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13618 (valid_in_set): Handle ARRAY_REF.
13619 Change "if min_variant or VH" to asserts.
13620 (create_component_ref_by_pieces): Handle ARRAY_REF.
13621 (create_expression_by_pieces): Likewise.
13622 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13624 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13626 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13627 is operand of switch, not str[0].
13629 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13631 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13632 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13634 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13636 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13637 end of insn_extra_address_constraint declaration.
13639 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13641 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13642 (no-sum-in-toc): Same.
13643 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13645 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13646 NO_FP_IN_TOC for -fPIC instead of mask.
13648 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13649 (BOOT_LDFLAGS): Delete.
13651 * config/rs6000/t-aix52: Same.
13653 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13654 (stmsi[345678]_power): New.
13656 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13658 * config/ia64/ia64.opt: Add empty line to end of file.
13660 2006-03-17 Richard Guenther <rguenther@suse.de>
13662 PR middle-end/26721
13663 * builtins.c (get_pointer_alignment): For component style references
13664 adjust alignment to the component type alignment. Make sure
13665 to adjust alignment for component access of constants.
13667 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13669 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13670 unconditional jump.
13672 2006-03-17 Paul Brook <paul@codesourcery.com>
13674 * doc/install.texi: Docuemnt --with-mode.
13675 * config.gcc: Add --with-mode for arm*-*-*.
13676 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13678 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13680 * sh.c (max_labelno_before_reorg): New variable.
13681 (sh_reorg): Initialize it.
13682 (find_barrier): Check max_labelno_before_reorg before using
13683 label_to_alignment. Take length of explicit alignment insns
13684 into account. When seeing a UNSPECV_CONST_END, return it.
13686 * sh.c (fixup_mova): Set mode of affected label to QImode.
13687 (untangle_mova): New function.
13688 (find_barrier): Use it. Check mode of label before decrementing
13690 (sh_reorg): Likewise.
13691 Set mode of all insns back to VOIDmode.
13693 * sh.c (MOVA_LABELREF): New macro.
13694 (mova_p, fixup_mova, sh_reorg): Use it.
13695 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13696 ADDR_DIFF_VEC matches mova.
13698 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13700 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13701 with ATTRIBUTE_UNUSED.
13703 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13705 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13706 pointer, instead of assuming it is possible to derive the
13707 correct args size from a call insn.
13709 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13711 * rtl.h (CONST_INT_P): Define.
13712 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13713 instead of GET_CODE(x) == CONST_INT.
13714 (vax_rtx_costs): Likewise.
13715 (vax_output_int_move): Likewise.
13716 (vax_output_int_add): Likewise.
13717 (legitimate_constant_address_p): Likewise.
13718 (index_term_p): Likewise.
13719 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13720 * config/vax/vax.md (and<mode>3): Likewise.
13721 (ashrsi3): Likewise.
13723 (movstricthi): Likewise.
13724 (movstrictqi): Likewise.
13725 (rotrsi3): Likewise.
13726 (five unnamed insns): Likewise.
13728 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13730 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13731 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13732 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13733 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13734 Pass to ASM_OUTPUT_DWARF_OFFSET.
13735 * dwarf2out.c (debug_frame_section): New.
13736 (output_call_frame_info): Use debug_frame_section. Pass it to
13737 dw2_asm_output_offset.
13738 (output_die): Pass appropriate section to dw2_asm_output_offset.
13739 (output_compilation_unit_header): Likewise.
13740 (output_pubnames): Likewise.
13741 (output_aranges): Likewise.
13742 (enum dw_val_class): Break dw_val_class_lbl_offset into
13743 dw_val_class_lineptr and dw_val_class_macptr.
13744 (add_AT_lbl_offset): Delete.
13745 (add_AT_lineptr): New.
13746 (add_AT_macptr): New.
13747 (AT_lbl): Expect a lineptr or macptr.
13748 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13749 (attr_checksum): Likewise.
13750 (same_dw_val_p): Likewise.
13751 (size_of_die): Likewise.
13752 (value_format): Likewise.
13753 (output_die): Likewise.
13754 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13756 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13757 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13758 * config/darwin-protos.h (darwin_file_start): New.
13759 (darwin_asm_output_dwarf_offset): New.
13760 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13761 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13763 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13764 if not EH section; simplify.
13765 (darwin_file_start): New.
13766 (darwin_asm_output_dwarf_offset): New.
13767 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13769 (DEBUG_INFO_SECTION): Likewise.
13770 (DEBUG_ABBREV_SECTION): Likewise.
13771 (DEBUG_ARANGES_SECTION): Likewise.
13772 (DEBUG_MACINFO_SECTION): Likewise.
13773 (DEBUG_LINE_SECTION): Likewise.
13774 (DEBUG_LOC_SECTION): Likewise.
13775 (DEBUG_PUBNAMES_SECTION): Likewise.
13776 (DEBUG_STR_SECTION): Likewise.
13777 (DEBUG_RANGES_SECTION): Likewise.
13778 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13779 (ASM_OUTPUT_DWARF_OFFSET): New.
13781 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13783 * config.gcc (tm_defines): Always add to previous value rather
13786 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13788 * config/mips/predicates.md (splittable_const_int_operand): New,
13789 split from move_operand.
13790 (splittable_symbolic_operand): New.
13791 (move_operand): Add commentary. Use splittable_const_int_operand.
13792 Inline mips_atomic_symbolic_constant_p.
13793 * config/mips/mips.md: Add combine splitters for handling moves
13794 of splittable_const_int_operands and splittable_symbolic_operands.
13795 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13796 (mips_split_symbol): Declare.
13797 (mips_move_integer): Declare.
13798 * config/mips/mips.c (mips_split_p): Make global.
13799 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13800 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13801 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13802 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13803 (mips_offset_within_object_p): Handle block symbols.
13804 (mips_atomic_symbolic_constant_p): Delete.
13805 (mips_cannot_force_const_mem): Return false for constants that
13806 mips_legitimize_move can handle.
13807 (mips_use_blocks_for_constant_p): New function.
13808 (mips_split_symbol): Make global.
13809 (mips_move_integer): Likewise. Add a temporary register argument.
13810 (mips_legitimize_const_move): Use splittable_const_int_operand and
13811 splittable_symbolic_operand.
13812 (mips_use_anchors_for_symbol_p): New function.
13813 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13814 (mips_split_p): Declare.
13816 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13818 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13819 (mips*-*-linux*): Likewise.
13821 2006-03-16 Roger Sayle <roger@eyesopen.com>
13822 Daniel Speyer <dspeyer@wam.umd.edu>
13824 PR middle-end/18259
13825 * tree-dump.c (dump_real): New function.
13826 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13827 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13828 (tree-dump.o): Add $(REAL_H) to the dependencies.
13830 2006-03-16 Roger Sayle <roger@eyesopen.com>
13832 PR middle-end/21781
13833 * real.c (real_from_string): If the mantissa is zero, don't bother
13834 parsing the exponent as the result should always be zero.
13836 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13838 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13840 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13842 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13843 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13844 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13845 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13846 ia64_sched_finish_global): New static functions to implement
13847 hooks from gcc_target.sched.
13848 (spec_check_no, max_uid, pending_data_specs): New static variables.
13849 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13850 ia64_spec_check_src_p): New static functions.
13851 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13852 (TARGET_SCHED_ADJUST_COST): Removed.
13853 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13854 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13855 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13856 TARGET_SCHED_GEN_CHECK,
13857 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13858 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13859 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13860 Fixed to handle speculation checks.
13861 (rtx_needs_barrier): Fixed to handle speculative loads and
13863 (ia64_variable_issue): Added code to count speculative loads and their
13865 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13867 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13869 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13871 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13872 (ia64_reorg): Reset stops_p to NULL after it is freed.
13873 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13874 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13875 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13877 (data_speculative, control_speculative, check_load): New attributes.
13878 (mov<mode>_advanced, mov<mode>_speculative,
13879 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13880 zero_extend<mode>di2_speculative,
13881 zero_extend<mode>di2_speculative_advanced): New patterns for
13882 data and control speculative loads.
13883 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13885 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13886 New pattern for data and control speculation checks.
13887 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13888 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13889 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13890 Auxiliary definitions for the patterns.
13891 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13892 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13894 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13896 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13897 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13898 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13899 New resource constraints.
13900 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13902 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13903 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13904 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13905 msched-in-control-spec, msched-ldc, msched-control-ldc,
13906 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13907 msched-prefer-non-control-spec-insns,
13908 msched-count-spec-in-critical-path): New flags to tune speculative
13910 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13911 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13912 msched-in-control-spec, msched-ldc, msched-control-ldc,
13913 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13914 msched-prefer-non-control-spec-insns,
13915 msched-count-spec-in-critical-path): Document new flags.
13917 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13919 * target.h (struct spec_info_def): New opaque declaration.
13920 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13921 speculate_insn, needs_block_p, gen_check,
13922 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13923 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13924 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13925 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13926 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13927 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13929 (TARGET_SCHED): Use new macros.
13930 * rtl.h (copy_DEPS_LIST_list): New prototype.
13931 * sched-int.h (struct sched_info): Change signature of new_ready field,
13932 adjust all initializations. New fields: add_remove_insn,
13933 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13934 region_head_or_leaf_p.
13935 (struct spec_info_def): New structure declaration.
13936 (spec_info_t): New typedef.
13937 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13938 recovery_block, orig_pat.
13939 (glat_start, glat_end): New variables declaraions.
13940 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13942 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13943 DETACH_LIFE_INFO, USE_GLAT.
13944 (enum SPEC_SCHED_FLAGS): New enumeration.
13945 (NOTE_NOTE_BB_P): New macro.
13946 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13947 attach_life_info, debug_spec_status, check_reg_live): New functions.
13948 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13949 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13951 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13952 * ddg.c (get_block_head_tail): Adjust all uses.
13953 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13954 (sms_sched_info): Initialize new fields.
13955 (contributes_to_priority): Removed.
13956 * haifa-sched.c (params.h): New include.
13957 (get_block_head_tail): Adjust all uses.
13958 (ISSUE_POINTS): New macro.
13959 (glat_start, glat_end): New global variables.
13960 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13961 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13962 old_last_basic_block, before_recovery, current_sched_info_var,
13963 rgn_n_insns, luid): New static variables.
13964 (insn_cost1): New function. Move logic from insn_cost to here.
13965 (find_insn_reg_weight1): New function. Move logic from
13966 find_insn_reg_weight to here.
13967 (reemit_notes, move_insn, max_issue): Change signature.
13968 (move_insn1): Removed.
13969 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13970 extend_bb): New static functions to support extension of scheduler's
13972 (generate_recovery_code, process_insn_depend_be_in_spec,
13973 begin_speculative_block, add_to_speculative_block,
13974 init_before_recovery, create_recovery_block, create_check_block_twin,
13975 fix_recovery_deps): New static functions to support
13976 generation of recovery code.
13977 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13978 restore_bb_notes, move_block_after_check, move_succs): New static
13979 functions to support ebb scheduling.
13980 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13981 functions to support handling of register live information.
13982 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13983 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13984 add_jump_dependencies): New static functions.
13985 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13986 consistancy checking.
13987 (debug_spec_status): New function to call from debugger.
13988 (priority): Added code to handle speculation checks.
13989 (rank_for_schedule): Added code to distinguish speculative instructions.
13990 (schedule_insn): Added code to handle speculation checks.
13991 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13992 Fixed to handle ebbs.
13993 (move_insn): Added code to handle ebb scheduling.
13994 (max_issue): Added code to use ISSUE_POINTS of instructions.
13995 (choose_ready): Added code to choose between speculative and
13996 non-speculative instructions.
13997 (schedule_block): Added code to handle ebb scheduling and scheduling of
13998 speculative instructions.
13999 (sched_init): Initialize new variables.
14000 (sched_finish): Free new variables. Print statistics.
14001 (try_ready): Added code to handle speculative instructions.
14002 * lists.c (copy_DEPS_LIST_list): New function.
14003 * sched-deps.c (extend_dependency_caches): New function. Move logic
14004 from create_dependency_caches to here.
14005 (get_dep_weak, ds_merge): Make global.
14006 * genattr.c (main): Code to output prototype for
14007 dfa_clear_single_insn_cache.
14008 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14009 (output_dfa_clean_insn_cache_func): Code to output
14010 dfa_clear_single_insn_cache function.
14011 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14013 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14015 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14016 New static variables.
14017 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14018 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14020 (ebb_sched_info): Initialize new fields.
14021 (get_block_head_tail): Adjust all uses.
14022 (compute_jump_reg_dependencies): Fixed to use glat_start.
14023 (schedule_ebb): Code to remove unreachable last block.
14024 (schedule_ebbs): Added code to update register live information.
14025 * sched-rgn.c (region_sched_info): Initialize new fields.
14026 (get_block_head_tail): Adjust all uses.
14027 (last_was_jump): Removed. Adjust users.
14028 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14029 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14030 Implement new hooks.
14031 (check_dead_notes1): New static function.
14032 (struct region): New fields: dont_calc_deps, has_real_ebb.
14033 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14034 (BB_TO_BLOCK): Fixed to handle EBBs.
14035 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14036 (ebb_head): New static variable.
14037 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14038 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14040 (compute_dom_prob_ps): New assertion.
14041 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14042 global_live_at_start.
14043 (init_ready_list): New assertions.
14044 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14045 (new_ready): Add support for BEGIN_CONTROL speculation.
14046 (schedule_insns): Fixed code that updates register live information
14048 (schedule_region): Fixed to handle EBBs.
14049 (init_regions): Use extend_regions and check_dead_notes1.
14050 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14051 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14052 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14053 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14054 TARGET_SCHED_GEN_CHECK,
14055 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14056 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14057 * doc/invoke.texi (max-sched-insn-conflict-delay,
14058 sched-spec-prob-cutoff): Document.
14060 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14062 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14063 inter_tick, queue_index.
14064 (struct sched_info): Change signature of init_ready_list field.
14065 Adjust all initializations.
14066 (RESOLVED_DEPS): New access macro.
14067 (ready_add): Remove prototype.
14068 (try_ready): Add prototype.
14069 * sched-rgn.c (init_ready_list): Use try_ready.
14070 (schedule_region): Initialize
14071 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14072 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14073 (init_ready_list): Use try_ready.
14074 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14075 * lists.c (remove_list_elem): Remove `static'.
14076 (remove_free_INSN_LIST_elem): New function.
14077 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14078 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14079 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14081 (readyp): New variable.
14082 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14083 change_queue_index, resolve_dep): New static functions.
14084 (try_ready): New function. Adjust callers in sched-rgn.c and
14085 sched-ebb.c to use it instead of ready_add.
14086 (clock_var): Move at the begining of file.
14087 (rank_for_schedule): Fix typo.
14088 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14089 (ready_lastpos): Enforce assertion.
14090 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14091 update all callers.
14092 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14093 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14094 (queue_to_ready): Use free_INSN_LIST_list.
14095 (early_queue_to_ready): Fix typo.
14096 (schedule_block): Init readyp. Move init_ready_list call after the
14097 initialization of clock_var. Fix error in rejecting insn by
14098 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14099 that previously corrected INSN_TICKs. Add code for handling
14101 (set_priorities): Fix typo.
14102 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14103 Clarify comment and code that keeps current_sched_info->next_tail
14106 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14108 * sched-rgn.c (extend_rgns): New static function.
14109 (find_rgns): Use it.
14110 (gather_region_statistics, print_region_statistics): New static
14112 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14113 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14115 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14116 Andrey Belevantsev <abel@ispras.ru>
14118 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14119 * lists.c (unused_deps_list): New variable.
14120 (free_list): Add assertions to verify the proper distinguishing
14121 between INSN_LISTs and DEPS_LISTs.
14122 (find_list_elem, remove_list_elem, remove_list_node): New static
14124 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14125 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14126 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14127 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14129 (free_INSN_LIST_node): Likewise.
14130 * modulo-sched.c (current_sched_info): Initialize flags field.
14131 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14132 * rtl.def (DEPS_LIST): Define.
14133 * rtl.h: Declare new functions from lists.c.
14134 * sched-deps.c (spec_dependency_cache): New static variable.
14135 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14136 (add_dependence): Change return type to void. Move the logic to ...
14137 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14138 (delete_all_dependences): Add comment about forward_dependency_cache.
14139 Handle spec_dependency_cache. Handle DEPS_LISTs.
14140 (fixup_sched_groups): Clarify the change of priority of output
14141 and anti dependencies.
14142 (sched_analyze_2): Adjust add_dependence calls to create data
14143 speculative dependence.
14144 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14145 Adjust all callers. Handle DEPS_LISTS.
14146 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14147 presence of speculation.
14148 (init_dependency_caches, free_dependency_caches):
14149 Handle spec_dependency_cache.
14150 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14151 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14152 New static functions.
14153 (add_or_update_back_dep, add_or_update_back_forw_dep,
14154 add_back_forw_dep, delete_back_forw_dep): New functions.
14155 * sched-int.h (ds_t, dw_t): New typedefs.
14156 (struct sched_info): Add new field flags.
14157 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14158 Prototype new sched-deps.c functions.
14159 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14160 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14161 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14162 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14163 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14164 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14166 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14168 * sched-rgn.c (current_sched_info): Initialize flags field.
14169 (schedule_insns): Initialize current_sched_info before the sched_init
14171 * sched-ebb.c (current_sched_info): Initialize flags field.
14172 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14173 Call add_or_update_back_dep instead of add_dependence.
14174 Create control speculative dependencies.
14175 (schedule_insns): Initialize current_sched_info before the sched_init
14178 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14180 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14182 (sh_fallback_frame_state): Likewise.
14184 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14186 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14187 Do switch on default_use_cxa_atexit.
14188 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14189 * config/darwin-crt3.o: New.
14190 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14191 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14192 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14194 * config/rs6000/t-darwin: Move crt2.o building to here.
14195 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14196 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14199 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14201 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14202 from '! xxx' to '!xxx' for coding-style conformance.
14203 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14204 (EXTRA_CONSTRAINT): Likewise.
14205 * config/vax/vax.md (four unnamed insns): Likewise.
14207 2006-03-15 Paul Brook <paul@codesourcery.com>
14209 * config/arm/arm.c (minipool_pad): New.
14210 (add_minipool_forward_ref): Include pool alignment padding in address
14212 (push_minipool_fix): Set minipool_pad.
14213 (minipool_pad): Ditto.
14215 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14217 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14218 instead of GET_CODE() == MEM and REG_P() instead of
14220 (print_operand_address): Likewise.
14221 (vax_address_cost): Likewise.
14222 (vax_rtx_costs): Likewise.
14223 (vax_notice_update_cc): Likewise.
14224 (vax_output_int_add): Likewise.
14225 (INDEX_REGISTER_P): Likewise.
14226 (BASE_REGISTER_P): Likewise.
14227 (nonindexed_address_p): Likewise.
14228 (vax_mode_dependent_address_p): Likewise.
14229 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14230 (PRINT_OPERAND): Likewise.
14231 * config/vax/vax.md (ashlsi3): Likewise.
14232 (ashlsi3): Likewise.
14233 (some more unnamed insns): Likewise.
14235 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14237 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14238 iterator-style macro.
14239 (mark_control_dependent_edges_necessary): Update the use of
14240 EXECUTE_IF_CONTROL_DEPENDENT.
14242 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14244 * config/sh/predicates.md (cache_address_operand): Special.
14245 (ua_address_operand): Likewise.
14247 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14249 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14251 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14253 2006-03-15 Andreas Schwab <schwab@suse.de>
14255 * gensupport.c (identify_predicable_attribute): Don't free p_false
14256 when it is still in use.
14258 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14260 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14261 the default setting here.
14263 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14265 * tree-pass.h (pass_cfg): Remove.
14266 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14267 * passes.c (pass_cfg): Don't run it.
14269 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14271 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14272 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14274 (stack_regs_mentioned): Update the uses of
14275 stack_regs_mentioned_data. Don't access the array beyond its
14277 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14278 Don't include gt-reg-stack.h.
14280 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14281 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14283 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14285 PR middle-end/26684
14286 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14289 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14291 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14293 2006-03-14 Richard Guenther <rguenther@suse.de>
14295 PR tree-optimization/26672
14296 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14299 2006-03-14 Richard Guenther <rguenther@suse.de>
14301 PR tree-optimization/26667
14302 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14303 node for the callees. Always allow inlining if it will shrink
14306 2006-03-14 Richard Guenther <rguenther@suse.de>
14308 PR middle-end/26659
14309 * builtins.c (get_pointer_alignment): Prefer alignment
14310 information from decls over that from types.
14312 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14315 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14317 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14319 * config/rs6000/rs6000.opt (mdlmzb): New option.
14320 (msched-prolog, msched-epilog): Use Var not Mask.
14321 * doc/invoke.texi (-mdlmzb): Document.
14322 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14324 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14325 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14327 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14329 PR rtl-optimization/25739
14330 * bt-load.c (augment_live_range): Free tos pointer.
14332 * gensupport.c (identify_predicable_attribute): Free
14334 * gcov.c (create_file_names): Free name pointer.
14336 2006-03-13 Roger Sayle <roger@eyesopen.com>
14338 PR middle-end/26557
14339 * stmt.c (emit_case_nodes): Handle the case where the index is a
14340 CONST_INT, where the comparison mode is specified by the index type.
14342 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14344 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14347 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14349 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14350 (*branch_fp_inverted): Likewise.
14352 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14354 PR middle-end/25989
14355 * omp-low.c (expand_omp_for_generic): Mark istart0
14356 and iend0 as addressable.
14358 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14360 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14362 2006-03-13 Jeff Law <law@redhat.com>
14364 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14365 virtual operands are interesting.
14366 (vrp_visit_stmt): Corresponding changes.
14368 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14370 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14372 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14373 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14374 * config/bfin/crti.S: Use it instead of __PIC__.
14375 * config/bfin/crtn.S: Likewise.
14377 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14378 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14380 Lose 'G' modifier for call operand.
14381 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14382 recognize 'G' modifier.
14384 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14386 PR middle-end/18859
14387 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14388 * stmt.c (expand_case): Likewise.
14390 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14392 PR rtl-optimization/26254
14393 * loop-invariant.c (seq_insns_valid_p): New function.
14394 (move_invariant_reg): Only emit new code if it is valid.
14396 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14398 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14400 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14401 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14402 (commit_one_edge_insertion): Do not look for loop notes.
14404 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14406 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14407 flag_test_coverage out of loop.
14409 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14411 * final.c (shorten_branches): Remove outdated comment, and turn
14412 the if branch that guards it to continue.
14414 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14416 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14417 * cfgloop.h (struct loop): Remove unused fields.
14419 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14421 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14422 (-dL, -fdump-rtl-loop2): Update the dump file names
14424 * doc/invoke.texi: Update dump file names.
14426 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14428 * predict.c (estimate_probability): Remove.
14429 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14430 * basic-block.h (estimate_probability): Remove prototype.
14431 * passes.c (finish_optimization_passes): Dump branch prediction or
14432 profiling heuristics to the .profile tree dump.
14433 (init_optimization_passes): Unqueue pass_branch_prob.
14435 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14437 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14439 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14440 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14442 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14444 * function.h (frame_offset_overflow): Declare.
14445 * function.c (frame_offset_overflow): New function.
14446 (assign_stack_local_1): Call it to detect that the offset overflows.
14447 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14449 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14451 * config/sh/sh.c: Include alloc-pool.h.
14452 (label_ref_list_pool): New alloc pool.
14453 (label_ref_list_t): New type for lists of labels.
14454 (struct pool_node): Make wend a label_ref_list_t.
14455 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14457 (dump_table): Likewise.
14458 (sh_reorg): Set up the alloc pool before using add_constant and
14459 dump_table, and destroy it when finishing.
14461 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14463 * config/mips/mips.c: Remove redundant comment.
14465 2006-03-10 Jason Merrill <jason@redhat.com>
14468 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14469 the target was declared 'register'.
14471 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14473 * genpreds.c (write_insn_constraint_len): Change definition of
14474 insn_constraint_len to return size_t to match the declaration.
14476 2006-03-10 DJ Delorie <dj@redhat.com>
14478 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14480 (m32c_expand_insv): Fix test for an AND mask.
14482 2006-03-10 Richard Guenther <rguenther@suse.de>
14484 PR middle-end/26565
14485 * builtins.c (get_pointer_alignment): Handle component
14486 references for field alignment.
14488 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14490 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14491 when building with libgloss.
14492 (sh*elf): Implement --without-fp option.
14493 (sh64-superh-linux*): Don't multilib.
14495 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14497 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14499 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14501 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14502 Set it when one of the replacement functions returned true.
14503 Return TODO_cleanup_cfg if cfgchanged is true.
14504 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14506 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14508 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14509 instead of gen_lowpart.
14511 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14513 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14515 (mips_output_order_conditional_branch): Declare.
14516 * config/mips/mips.h (MIPS_BRANCH): New macro.
14517 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14518 for the comparison. Use gen_condjump.
14519 (mips_output_conditional_branch): Rework interface to take the
14520 asm templates for a direct branch and the inverse of a direct branch.
14521 (mips_output_order_conditional_branch): New function.
14522 (mips_builtin_branch_and_move): New function.
14523 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14524 branch condition. Use gen_single_cc as the condition for
14525 __builtin_mips_upper_* or __builtin_mips_lower_*.
14526 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14527 Use VOIDmode for the branch condition.
14528 * config/mips/predicates.md (order_operator): New predicate.
14529 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14530 (branch_fp): Rename to...
14531 (*branch_fp): ...this. Remove mode from comparison operator.
14532 Use new mips_output_conditional_branch interface.
14533 (branch_fp_inverted): Rename to...
14534 (*branch_fp_inverted): ...this and update as for *branch_fp.
14535 (*branch_zero<mode>): Rename to...
14536 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14537 Use mips_output_order_conditional_branch. Only accept ordered
14539 (*branch_zero<mode>_inverted): Rename to...
14540 (*branch_order<mode>_inverted): ...this and update as for
14541 *branch_order<mode>.
14542 (*branch_equality<mode>): Accept zero as the second operand to
14543 the equality operator. Use the new mips_output_conditional_branch
14545 (*branch_equality<mode>_inverted): Likewise.
14546 (condjump): New expander.
14547 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14549 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14550 (bc1any2t, bc1any2f): Likewise.
14551 (single_cc): New expander.
14552 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14554 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14556 * doc/md.texi: Update documentation of MIPS constraints.
14557 * config/mips/constraints.md: New file.
14558 * config/mips/mips.md: Include it.
14559 * config/mips/mips.c (mips_char_to_class): Delete.
14560 (override_options): Don't initialize mips_char_to_class.
14561 * config/mips/mips.h (mips_char_to_class): Delete.
14562 (REG_CLASS_FROM_LETTER): Delete.
14563 (CONST_OK_FOR_LETTER_P): Delete.
14564 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14565 (EXTRA_CONSTRAINT_Y): Delete.
14566 (EXTRA_CONSTRAINT_STR): Delete.
14567 (CONSTRAINT_LEN): Delete.
14568 (EXTRA_MEMORY_CONSTRAINT): Delete.
14570 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14572 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14573 original fn's eh regions.
14575 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14577 * fold-const.c (build_range_check): Make sure to use a valid type to
14578 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14581 (range_predecessor): New static function.
14582 (range_successor): Likewise.
14583 (merge_ranges): Use them to compute predecessors and successors of
14586 2006-03-09 Roger Sayle <roger@eyesopen.com>
14588 PR middle-end/26561
14589 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14590 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14592 2006-03-08 DJ Delorie <dj@redhat.com>
14594 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14595 (addpsi3): Expand to include memory operands. Remove
14596 reload-specific splits.
14597 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14598 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14599 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14600 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14601 (shift1_qi, shift1_hi, insv): New.
14602 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14603 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14604 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14606 * config/m32c/m32c-protos.h: Update as needed.
14607 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14608 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14609 Fail for unrecognized R* constraints.
14610 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14611 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14612 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14614 (m32c_init_libfuncs): New.
14615 (m32c_legitimate_address_p): Add debug wrapper.
14616 (m32c_rtx_costs): New.
14617 (m32c_address_cost): New.
14618 (conversions): Add 'B' prefix.
14619 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14620 operands, or word regnames for QI operands. 'B' prints bit
14622 (m32c_expand_setmemhi): New.
14623 (m32c_expand_movmemhi): New.
14624 (m32c_expand_movstr): New.
14625 (m32c_expand_cmpstr): New.
14626 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14627 (m32c_expand_neg_mulpsi3): Handle non-ints.
14628 (m32c_cmp_flg_0): New.
14629 (m32c_expand_movcc): New.
14630 (m32c_expand_insv): New.
14631 (m32c_scc_pattern): New.
14632 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14633 a0/a1 out of SIregs.
14634 (STORE_FLAG_VALUE): New.
14635 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14638 * config/m32c/mov.md: Make constraints more liberal.
14639 (zero_extendqihi2): Optimize r0/r1 case.
14640 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14641 * config/m32c/predicates.md (m32c_any_operand): New.
14642 (m32c_nonimmediate_operand): New.
14643 (m32c_hl_operand): New.
14644 (m32c_r3_operand): New.
14647 (memsym_operand): New.
14648 (memimmed_operand): New.
14649 (a_qi_operand): New.
14650 (m32c_eqne_operator): New.
14651 (m32c_1bit8_operand): New.
14652 (m32c_1bit16_operand): New.
14653 (m32c_1mask8_operand): New.
14654 (m32c_1mask16_operand): New.
14655 * config/m32c/blkmov.md: New file.
14656 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14658 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14660 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14661 unsigned to fix signed/unsigned comparison issue in
14662 DWARF2_FRAME_REG_OUT.
14663 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14664 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14666 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14667 of ptr into the ENABLE_CHECKING section.
14669 2006-03-08 Jeff Law <law@redhat.com>
14671 * tree-vrp.c (infer_value_range): Only count pointer uses
14672 and dereferences if -fdelete-null-pointer-checks is enabled.
14674 * tree-vrp.c (find_assert_locations): Infer value ranges for
14675 single use pointers, but do not create ASSERT_EXPRs for them.
14676 When a non-null range is inferred for a pointer, backwards
14677 propagate that range to other equivalent pointers through the
14680 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14683 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14684 language hook targets.
14685 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14686 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14687 if language hook targets were missing.
14689 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14691 * tree-ssa-opfinalize.h: Removed.
14692 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14694 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14695 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14696 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14697 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14698 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14699 finalize_ssa_v_must_def_ops): New.
14701 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14703 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14704 block as parameter.
14706 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14708 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14710 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14711 addresses with offsets; reorganize.
14713 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14714 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14715 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14717 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14720 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14722 2006-03-08 Ben Elliston <bje@au.ibm.com>
14724 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14726 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14729 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14732 2006-03-07 Richard Guenther <rguenther@suse.de>
14734 PR tree-optimization/26587
14735 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14737 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14739 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14741 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14743 * hooks.c (hook_bool_mode_rtx_true): New function.
14744 * hooks.h (hook_bool_mode_rtx_true): Declare.
14745 * toplev.c (compile_file): Call output_shared_constant_pool.
14746 * varasm.c (shared_constant_pool): New variable.
14747 (assemble_start_function, assemble_end_function): Remove arguments
14748 from call to output_constant_pool.
14749 (create_constant_pool): New function, split out from...
14750 (init_varasm_status): ...here.
14751 (force_const_mem): Choose between the shared and per-function constant
14752 pools. Set current_function_uses_const_pool when reusing old entries
14753 as well as when creating new ones.
14754 (mark_constant): Ignore data argument.
14755 (mark_constants): Remove pool argument.
14756 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14757 to decide whether the function uses a constant pool.
14758 (output_constant_pool_contents): New function, split out from...
14759 (output_constant_pool): ...here.
14760 (output_shared_constant_pool): New function.
14761 (init_varasm_once): Initialize shared_constant_pool.
14762 * output.h (output_constant_pool): Delete.
14763 (output_shared_constant_pool): Declare.
14764 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14765 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14767 2006-03-06 Nick Clifton <nickc@redhat.com>
14769 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14770 flag_strength_reduce.
14772 2006-03-06 Ben Elliston <bje@au.ibm.com>
14774 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14775 x86_64-*-linux* configurations.
14777 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14778 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14780 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14782 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14784 * basic-block.h: Remove the extern for
14785 rediscover_loops_after_threading.
14787 * cfgloop.c (cancel_loop): Make it static.
14788 * cfgloop.h: Remove the prototype for cancel_loop.
14790 * flow.c (recompute_reg_usage): Make it static.
14791 * rtl.h: Remove the prototype for recompute_reg_usage.
14793 * function.c (use_return_register): Make it static.
14794 * function.h: Remove the prototype.
14796 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14798 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14800 * recog.h: Remove the prototype for
14801 validate_change_maybe_volatile.
14803 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14805 * rtlanal.c (replace_reg): Remove.
14806 * rtl.h: Remove the prototype for replace_reg.
14808 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14810 * regclass.c (reg_scan_update): Remove.
14811 (reg_scan_mark_refs): Remove the last argument.
14812 * rtl.h: Remove the prototype for reg_scan_update.
14814 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14816 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14817 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14818 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14819 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14820 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14821 loop-invariant.c, omp-low.c, opts.c, passes.c,
14822 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14823 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14824 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14825 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14826 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14827 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14829 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14831 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14832 * dwarf2out.h: Remove the prototype for
14833 dwarf2out_add_library_unit_info.
14835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14837 * tree.c (add_var_to_bind_expr): Remove.
14838 * tree.h: Remove the prototype for add_var_to_bind_expr.
14840 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14842 * regclass.c (n_non_fixed_regs): Remove.
14843 (init_reg_sets_1, globalize_reg): Remove all uses of
14845 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14847 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14849 * rtlanal.c (insns_safe_to_move_p): Remove.
14850 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14852 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14854 * expmed.c (expand_mult_add): Remove.
14855 * expr.h: Remove the prototype for expand_mult_add.
14857 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14859 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14860 and REG_SAVED_VAL_EXP constants.
14861 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14862 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14863 Handle regs stored by value.
14864 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14865 (execute_cfa_program): Handle DW_CFA_val_offset,
14866 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14867 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14868 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14869 (uw_install_context_1): Handle target regs stored by value.
14871 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14873 * tree-sra.c (tree_sra): Return todoflags;
14874 (generate_one_element): Set TODO_update_smt_usage if needed.
14875 (pass_sra): Remove TODO_update_smt_usage.
14876 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14878 (tree_ssa_forward_propagate_single_use_vars): Return
14879 TODO_update_smt_usage if we need to update SMT usage.
14880 (pass_forwprop): Remove TODO_update_smt_usage.
14882 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14884 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14885 (correct_use_link): Remove reference to get_stmt_operands.
14886 (update_stmt_operands): Likewise.
14887 (get_modify_expr_operands): New function factored out of
14888 parse_ssa_operands and get_expr_operands.
14889 Try to create V_MUST_DEFs for LHS by default.
14890 (get_expr_operands) <case MODIFY_EXPR>: Call
14891 get_modify_expr_operands.
14892 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14893 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14894 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14895 get_modify_expr_operands.
14897 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14899 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14900 * tree-flow.h: Remove the prototype for
14901 referenced_var_lookup_if_exists.
14903 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14905 PR rtl-optimization/26345
14907 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14909 2006-03-03 Roger Sayle <roger@eyesopen.com>
14911 PR tree-optimization/26524
14912 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14913 fold_convert to create a constant of the appropriate type.
14915 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14917 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14918 SYMBOL_REF_IN_BLOCK_P.
14919 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14920 of SYMBOL_FLAG_IN_BLOCK.
14921 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14922 instead of SYMBOL_REF_IN_BLOCK_P.
14923 * explow.c (use_anchored_address): Likewise.
14924 * rtl.c (rtx_size): Likewise.
14925 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14926 instead of SYMBOL_FLAG_IN_BLOCK.
14927 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14928 SYMBOL_REF_IN_BLOCK_P.
14929 (assemble_variable): Likewise.
14930 (output_constant_def_contents): Likewise.
14931 (output_constant_pool): Likewise.
14932 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14933 instead of SYMBOL_FLAG_IN_BLOCK.
14934 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14935 SYMBOL_REF_IN_BLOCK_P.
14936 (SYMBOL_REF_BLOCK): Likewise.
14937 (SYMBOL_REF_OFFSET): Likewise.
14938 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14939 SYMBOL_REF_IN_BLOCK_P.
14940 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14941 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14942 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14943 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14945 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14947 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14949 2006-03-02 Roger Sayle <roger@eyesopen.com>
14951 * simplify-rtx.c (simplify_unary_operation): When simplifying
14952 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14953 that we perform the right shift in the appropriate mode, and
14954 then extend or truncate the result to requested mode.
14956 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14958 * gengtype.c (main): Handle double_int type.
14959 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14960 * double-int.c: New file.
14961 * double-int.h: New file.
14962 * system.h: Include doubleint.h.
14963 * Makefile.in (SYSTEM_H): Include double-int.h.
14964 (double-int.o): Add.
14966 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14969 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14972 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14974 * tree-vrp.c (remove_range_assertions): Do not update statements
14977 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14979 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14981 * gcse.c (rest_of_handle_gcse): Ditto.
14982 * except.c (gate_handle_eh): Ditto.
14983 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14984 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14986 2006-03-02 Eric Christopher <echristo@apple.com>
14988 * config/i386/i386.c (machopic_output_stub): Add indirection to
14991 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14995 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14997 Sun Niagara specific optimizations.
14998 * config.gcc: Recognize niagara as target.
14999 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15000 (TARGET_CPU_niagara): Define.
15001 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15002 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15003 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15004 (ASM_CPU_SPEC): Likewise.
15005 (PROCESSOR_NIAGARA): New enum entry.
15006 (REGISTER_MOVE_COST): Handle Niagara.
15007 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15008 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15009 (sparc_override_options): Recognize "niagara", set appropriate
15010 default MASK_* values for it, and align functions to 32-bytes
15011 by default just like ULTRASPARC/ULTRASPARC3.
15012 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15013 (sparc64_initialize_trampoline): Likewise.
15014 (sparc_use_sched_lookahead): Use zero for niagara.
15015 (sparc_issue_rate): Use one for niagara.
15016 * config/sparc/niagara.md: New file.
15017 * config/sparc/sparc.md: Include it.
15018 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15019 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15020 when default cpu is niagara.
15021 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15022 (ASM_CPU_SPEC): Likewise.
15023 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15024 when default cpu is niagara.
15025 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15026 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15027 just like v9/ultrasparc/ultrasparc3.
15028 * doc/invoke.texi: Add documentation for "niagara" and improve
15029 existing documentation for ultrasparc variants.
15031 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15033 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15035 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15037 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15038 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15039 and say that only one is needed.
15040 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15041 * target.h (have_switchable_bss_sections): New hook.
15042 * explow.c (use_anchored_address): Check that the symbol is in a block.
15043 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15044 (bss_noswitch_section): New variables.
15045 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15046 (get_noswitch_section): New function.
15047 (get_block_for_section): Allow SECT to be null.
15048 (unlikely_text_section_p): Use SECTION_STYLE.
15049 (bss_initializer_p): New function.
15050 (get_variable_section): Move earlier in file. Take a new argument,
15051 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15052 Return one of the new *_sections in such cases.
15053 (get_block_for_decl): New function, extracting some logic from
15054 use_blocks_for_decl_p.
15055 (change_symbol_section): Remove in favor of...
15056 (change_symbol_block): ...this new function.
15057 (use_blocks_for_decl_p): Remove checks now performed by
15058 get_block_for_decl.
15059 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15060 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15061 (emit_local, emit_bss, emit_common): ...these new functions.
15062 Return true if the alignment was honored.
15063 (emit_tls_common): New function.
15064 (asm_emit_uninitialised): Delete.
15065 (assemble_variable_noswitch): New function, split out from...
15066 (assemble_variable): ...here. Don't make decisions about common
15067 variables here. Globalize all public decls that go into non-common
15068 sections. Check whether SYMBOL_REF_BLOCK is null.
15069 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15070 (output_constant_pool): Likewise.
15071 (init_varasm_once): Initialize the new section variables.
15072 (have_global_bss_p): New function.
15073 (categorize_decl_for_section): Use bss_initializer_p.
15074 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15075 (place_block_symbol): Assert that the symbol must be in a block.
15076 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15077 (TARGET_INITIALIZER): Include it.
15078 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15079 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15080 (SECTION_MACH_DEP): Bump by two.
15081 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15082 (unnamed_section): Mention SECTION_UNNAMED in comment.
15083 (named_section): Likewise SECTION_NAMED.
15084 (noswitch_section_callback): New type.
15085 (noswitch_section): New structure.
15086 (section): Add a noswitch_section alternative.
15087 (SECTION_STYLE): New macro.
15088 (tls_comm_section, comm_section, lcomm_section): Declare.
15089 (bss_noswitch_section, have_global_bss_p): Declare.
15090 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15091 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15093 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15094 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15097 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15099 * tree-vrp.c (execute_vrp): Return value.
15100 * regrename.c (rest_of_handle_regrename): Ditto.
15101 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15102 * tree-complex.c (tree_lower_complex): Ditto.
15103 (tree_lower_complex_O0): Ditto.
15104 * tracer.c (rest_of_handle_tracer): Ditto.
15105 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15106 * postreload.c (rest_of_handle_postreload): Ditto.
15107 * tree-tailcall.c (execute_tail_recursion): Ditto.
15108 (execute_tail_calls): Ditto.
15109 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15110 * tree.h (init_function_for_compilation): Ditto.
15111 * ipa-cp.c (ipcp_driver): Ditto.
15112 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15113 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15114 * final.c (compute_alignments): Ditto.
15115 (rest_of_handle_final): Ditto.
15116 (rest_of_handle_shorten_branches): Ditto.
15117 (rest_of_clean_state): Ditto.
15118 * omp-low.c (execute_expand_omp): Ditto.
15119 (execute_lower_omp): Ditto.
15120 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15121 * ipa-reference.c (static_execute): Ditto.
15122 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15123 * reorg.c (rest_of_handle_delay_slots): Ditto.
15124 (rest_of_handle_machine_reorg): Ditto.
15125 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15126 * flow.c (recompute_reg_usage): Ditto.
15127 (rest_of_handle_remove_death_notes): Ditto.
15128 (rest_of_handle_life): Ditto.
15129 (rest_of_handle_flow2): Ditto.
15130 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15131 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15132 (do_ssa_store_ccp): Ditto.
15133 (execute_fold_all_builtins): Ditto.
15134 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15135 * modulo-sched.c (rest_of_handle_sms): Ditto.
15136 * ipa-pure-const.c (static_execute): Ditto.
15137 * cse.c (rest_of_handle_cse): Ditto.
15138 (rest_of_handle_cse2): Ditto.
15139 * web.c (rest_of_handle_web): Ditto.
15140 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15141 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15142 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15143 * tree-nrv.c (tree_nrv): Ditto.
15144 (execute_return_slot_opt): Ditto.
15145 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15146 (create_structure_vars): Ditto.
15147 * loop-init.c (rtl_loop_init): Ditto.
15148 (rtl_loop_done): Ditto.
15149 (rtl_move_loop_invariants): Ditto.
15150 (rtl_unswitch): Ditto.
15151 (rtl_unroll_and_peel_loops): Ditto.
15152 (rtl_doloop): Ditto.
15153 * gimple-low.c (lower_function_body): Ditto.
15154 (mark_used_blocks): Ditto.
15155 * tree-ssa-sink.c (execute_sink_code): Ditto.
15156 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15157 (cgraph_early_inlining): Ditto.
15158 * global.c (rest_of_handle_global_alloc): Ditto.
15159 * jump.c (cleanup_barriers): Ditto.
15160 (purge_line_number_notes): Ditto.
15161 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15162 (rest_of_handle_if_after_reload): Ditto.
15163 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15164 (tree_ssa_loop_im): Ditto.
15165 (tree_ssa_loop_unswitch): Ditto.
15166 (tree_vectorize): Ditto.
15167 (tree_linear_transform): Ditto.
15168 (tree_ssa_loop_ivcanon): Ditto.
15169 (tree_ssa_empty_loop): Ditto.
15170 (tree_ssa_loop_bounds): Ditto.
15171 (tree_complete_unroll): Ditto.
15172 (tree_ssa_loop_prefetch): Ditto.
15173 (tree_ssa_loop_ivopts): Ditto.
15174 (tree_ssa_loop_done): Ditto.
15175 * predict.c (tree_estimate_probability): Ditto.
15176 * recog.c (split_all_insns_noflow): Ditto.
15177 (rest_of_handle_peephole2): Ditto.
15178 (rest_of_handle_split_all_insns): Ditto.
15179 * tree-eh.c (lower_eh_constructs): Ditto.
15180 * regmove.c (rest_of_handle_regmove): Ditto.
15181 (rest_of_handle_stack_adjustments): Ditto.
15182 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15183 * function.c (instantiate_virtual_regs): Ditto.
15184 (init_function_for_compilation): Ditto.
15185 (rest_of_handle_check_leaf_regs): Ditto.
15186 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15187 (rest_of_handle_gcse): Ditto.
15188 * ipa-type-escape.c (type_escape_execute): Ditto.
15189 * alias.c (rest_of_handle_cfg): Ditto.
15190 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15191 * profile.c (rest_of_handle_branch_prob): Ditto.
15192 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15193 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15194 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15195 * tree-dfa.c (find_referenced_vars): Ditto.
15196 * except.c (set_nothrow_function_flags): Ditto.
15197 (convert_to_eh_region_ranges): Ditto.
15198 (rest_of_handle_eh): Ditto.
15199 * emit-rtl.c (unshare_all_rtl): Ditto.
15200 (remove_unnecessary_notes): Ditto.
15201 * except.h (set_nothrow_function_flags): Ditto.
15202 (convert_to_eh_region_ranges): Ditto.
15203 * cfgexpand.c (tree_expand_cfg): Ditto.
15204 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15205 * tree-ssa-pre.c (do_pre): Ditto.
15206 (execute_fre): Ditto.
15207 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15208 (rest_of_handle_jump2): Ditto.
15209 * tree-sra.c (tree_sra): Ditto.
15210 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15211 (execute_mudflap_function_decls): Ditto.
15212 * tree-ssa-copy.c (do_copy_prop): Ditto.
15213 (do_store_copy_prop): Ditto.
15214 * ipa-prop.h (ipcp_driver): Ditto.
15215 * cfglayout.c (insn_locators_initialize): Ditto.
15216 * tree-ssa-forwprop.c
15217 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15218 * cfglayout.h (insn_locators_initialize): Ditto.
15219 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15220 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15221 (execute_late_warn_uninitialized): Ditto.
15222 * rtl.h (cleanup_barriers): Ditto.
15223 (split_all_insns_noflow): Ditto.
15224 (purge_line_number_notes): Ditto.
15225 (unshare_all_rtl): Ditto.
15226 (remove_unnecessary_notes): Ditto.
15227 (recompute_reg_usage): Ditto.
15228 (variable_tracking_main): Ditto.
15229 * integrate.c (emit_initial_value_sets): Ditto.
15230 * integrate.h (emit_initial_value_sets): Ditto.
15231 * tree-optimize.c (execute_free_datastructures): Ditto
15232 (execute_free_cfg_annotations): Ditto.
15233 (execute_fixup_cfg): Ditto.
15234 (execute_cleanup_cfg_pre_ipa): Ditto.
15235 (execute_cleanup_cfg_post_optimizing): Ditto.
15236 (execute_init_datastructures): Ditto.
15237 * tree-object-size.c (compute_object_sizes): Ditto.
15238 * combine.c (rest_of_handle_combine): Ditto.
15239 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15240 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15241 (rest_of_handle_reorder_blocks): Ditto.
15242 (rest_of_handle_partition_blocks): Ditto.
15243 * var-tracking.c (variable_tracking_main): Ditto.
15244 * tree-profile.c (tree_profiling): Ditto.
15245 * tree-vect-generic.c (expand_vector_operations): Ditto.
15246 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15247 * sched-rgn.c (rest_of_handle_sched): Ditto.
15248 (rest_of_handle_sched2): Ditto.
15249 * basic-block.h (free_bb_insn): Ditto.
15250 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15251 * tree-cfg.c (execute_build_cfg): Ditto.
15252 (remove_useless_stmts): Ditto.
15253 (split_critical_edges): Ditto.
15254 (execute_warn_function_return): Ditto.
15255 (execute_warn_function_noreturn): Ditto.
15256 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15257 * cfgrtl.c (free_bb_for_insn): Ditto.
15258 * passes.c (execute_one_pass): Run additional
15259 todos returned by execute function.
15260 * tree-pass.h (struct tree_opt_pass): Make execute
15263 2006-03-02 Richard Guenther <rguenther@suse.de>
15265 * tree-ssa-alias.c (find_used_portions): Consider taking
15266 the address as making the variable not write-only.
15268 2006-03-02 Nick Clifton <nickc@redhat.com>
15270 * config.gcc (default_use_cxa_atexit): Extend the description of
15271 this configure variable. Set its default value to "yes" for
15272 Linux, NetBSD and ELF targets on the assumption that they will
15273 use C libraries with the __cxa_atexit function.
15275 2006-03-02 Ben Elliston <bje@au.ibm.com>
15277 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15278 parameter as unused to suppress a build warning.
15280 2006-03-02 Ben Elliston <bje@au.ibm.com>
15282 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15285 2006-03-01 Roger Sayle <roger@eyesopen.com>
15288 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15289 declared name, the weak reference name, and the typeof name.
15290 (__gthrw): Avoid expanding the declared name suffix.
15291 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15293 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15295 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15297 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15298 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15299 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15300 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15301 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15302 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15303 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15304 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15305 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15306 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15307 (DW_END_default, DW_END_big, DW_END_little): New.
15308 (DW_END_lo_user, DW_END_hi_user): Define.
15309 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15310 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15311 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15314 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15316 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15318 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15320 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15322 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15324 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15325 to 'symbol_mem_tag'.
15327 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15330 2006-03-01 Roger Sayle <roger@eyesopen.com>
15332 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15334 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15337 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15338 MACHO_DYNAMIC_NO_PIC_P.
15339 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15341 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15344 * config/darwin-protos.h (darwin_asm_output_anchor):
15346 * config/darwin-sections.def (cstring_section):
15347 Add SECTION_MERGE to the flags.
15348 (literal4_section): Likewise.
15349 (literal8_section): Likewise.
15350 (objc_selector_refs_section): Likewise.
15351 (objc_cls_refs_section): Likewise.
15352 * config/darwin.c (darwin_asm_output_anchor): New
15354 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15356 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15358 Fix PR tree-optimization/26443
15359 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15360 to todo and PROP_tmt_usage to properties_destroyed.
15361 * tree-ssa-ccp.c (pass_ccp): Ditto.
15362 (pass_store_ccp): Ditto.
15363 * tree-ssa-dom.c (pass_dominator): Ditto.
15365 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15367 * tree-ssa-operands.c: Cleanup whitespace.
15368 (get_asm_expr_operands): Move before first invocation.
15369 (get_indirect_ref_operands): Likewise.
15370 (get_tmr_operands): Likewise.
15371 (get_call_expr_operands): Likewise.
15372 (append_def): Likewise.
15373 (append_use): Likewise.
15374 (append_v_may_def): Likewise.
15375 (append_v_must_def): Likewise.
15376 (add_call_clobber_ops): Likewise.
15377 (add_call_read_ops): Likewise.
15378 (add_stmt_operand): Likewise.
15379 (add_virtual_operand): Likewise.
15380 (build_ssa_operands): Likewise.
15382 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15384 PR middle-end/26022
15386 PR middle-end/24437
15387 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15388 with a call expr to ...
15389 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15391 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15393 * tree-vrp.c (extract_range_from_assert): Remove special
15394 handling for types with super-types.
15396 2006-03-01 Ben Elliston <bje@au.ibm.com>
15398 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15399 and powerpc64-*-linux* configurations.
15400 * config/t-dfprules: New file.
15402 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15403 Compile dfp-bit.c from the source directory using -DWIDTH and
15404 $DFP_CFLAGS to control the compilation of that file, rather than
15405 generating width-specific versions in the build directory.
15406 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15407 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15409 2006-02-28 Zack Weinberg <zackw@panix.com>
15411 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15414 2006-02-28 Eric Christopher <echristo@apple.com>
15416 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15417 Set up IN_LIBGCC definition of TARGET_64BIT.
15418 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15420 2006-02-28 Roger Sayle <roger@eyesopen.com>
15422 PR middle-end/14752
15423 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15424 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15425 cases via the construction of "expr != 0".
15427 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15429 * alias.c (alias_invariant, alias_invariant_size): Remove.
15430 (record_base_value): Remove.
15431 (memrefs_conflict_p): Don't look at alias_invariant.
15432 (end_alias_analysis): Don't free it.
15433 * alias.h (record_base_value): Remove prototype.
15435 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15436 Adam Nemet <anemet@caviumnetworks.com>
15438 * rtl.h (truncated_to_mode): Declare it.
15439 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15440 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15441 (RTL_HOOKS_INITIALIZER): Include it.
15442 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15443 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15444 reg_truncated_to_mode.
15445 * rtlanal.c (truncated_to_mode): Define it.
15446 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15448 2006-02-28 Jeff Law <law@redhat.com>
15450 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15451 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15452 the range allowed by TYPE_PRECISION.
15454 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15456 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15458 PR tree-optimization/26419
15459 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15462 2006-02-27 Zack Weinberg <zackw@panix.com>
15464 * doc/md.texi: Fix typo in previous change.
15466 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15470 2006-02-27 Zack Weinberg <zackw@panix.com>
15472 * rtl.def (define_constraint, define_register_constraint)
15473 (define_memory_constraint, define_address_constraint): New MD forms.
15474 * gensupport.c (process_rtx): Put define_constraint etc on the
15476 * genpreds.c (process_define_predicate): Adjust comment. Validate
15477 the name, and call validate_exp to validate the expression.
15478 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15479 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15480 all callers changed.
15481 (validate_exp, needs_variable, struct constraint_data)
15482 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15483 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15484 (const_dbl_constraints, constraint_max_namelen)
15485 (have_register_constraints, have_memory_constraints)
15486 (have_address_constraints, have_address_constraints)
15487 (have_extra_constraints, have_const_int_constraints)
15488 (have_const_dbl_constraints, mangle, add_constraint)
15489 (process_define_constraint, process_define_register_constraint)
15490 (write_enum_constraint_num, write_lookup_constraint)
15491 (write_insn_constraint_len, write_regclass_for_constraint)
15492 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15493 (write_insn_extra_memory_constraint)
15494 (write_insn_extra_address_constraint)
15495 (write_satisfies_constraint_fns): New.
15496 (write_tm_preds_h): If we have new-style constraint definitions,
15497 prototype the functions generated from them, and define the
15498 old constraint interface (still used by generic code) in terms of
15500 (write_insn_preds_c): If we have new-style constraint definitions,
15501 generate all relevant functions from those definitions.
15502 (main): Handle define_constraint etc.
15503 * genoutput.c (struct constraint_data, indep_constraints)
15504 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15505 (mdep_constraint_len): New data structures and functions, defined
15506 #ifdef USE_MD_CONSTRAINTS.
15507 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15508 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15509 use new logic to validate operand constraints against constraint
15511 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15513 * defaults.h: If none of the old-style constraint macros are
15514 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15515 old-style macros; and poison REG_CLASS_FROM_LETTER,
15516 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15518 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15519 * doc/md.texi: Document new constraint-definition mechanism and the
15520 C interface it provides. Remove references to old mechanism
15521 elsewhere in the document.
15522 (Machine Constraints): Use pathnames relative to gcc directory,
15523 i.e. config/ARCH/FILE. Change i386 section to refer to
15524 config/i386/predicates.md; update that section to match docstrings.
15525 * doc/tm.texi: Move all documentation of the old constraint-
15526 definition macros to their own section, clearly mark as obsolete.
15528 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15529 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15531 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15532 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15533 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15534 constraint strings.
15535 (splits and peepholes): Use satisfies_constraint_*.
15536 * config/i386/i386.c (memory_address_length)
15537 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15539 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15541 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15542 scalar operation to be put back into the loop.
15544 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15547 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15548 (extract_cie_info): Handle S flag in augmentation string.
15549 (execute_cfa_program): If context->signal_frame, execute also
15550 fs->pc == context->ra instructions.
15551 (uw_frame_state_for): If context->signal_frame, don't subtract one
15552 from context->ra to find FDE.
15553 (uw_update_context_1): Set context->signal_frame to
15555 (_Unwind_GetIPInfo): New function.
15556 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15557 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15559 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15560 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15561 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15562 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15563 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15564 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15565 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15566 x86_64_fallback_frame_state): Set fs->signal_frame.
15567 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15568 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15569 (frob_update_context): Likewise. Workaround missing S flag in
15570 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15571 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15572 Remove the psw_addr + 1 hack.
15574 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15576 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15577 with aggregates here.
15578 (find_func_aliases): Remove code for &<aggregate> from here.
15580 2006-02-26 Roger Sayle <roger@eyesopen.com>
15582 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15583 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15584 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15585 as (X & C) ne/eq 0.
15587 2006-02-26 Roger Sayle <roger@eyesopen.com>
15589 PR middle-end/19983
15590 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15592 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15594 * opts.c (decode_options): Do not handle flag_strength_reduce.
15595 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15596 and OPT_fstrength_reduce.
15597 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15598 flag_prefetch_loop_arrays for being nonzero.
15599 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15601 (fprefetch-loop-arrays-rtl): Removed.
15602 (flag_prefetch_loop_arrays): Do not specify the value.
15604 * doc/passes.texi: Update documentation of loop optimizer
15606 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15607 -frerun-loop-opt): Remove.
15609 2006-02-26 Richard Guenther <rguenther@suse.de>
15611 PR tree-optimization/26421
15612 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15613 in function calls that are ADDR_EXPRs as using the whole structure.
15615 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15617 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15618 * tree-pass.h (pass_loop_optimize): Remove.
15619 * passes.c (pass_loop_optimize): Never run it.
15620 * toplev.c (backend_init): Don't call init_loop.
15621 * opts.c (flag_loop_optimize_set): Remove.
15622 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15623 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15624 the old RTL loop optimizer when profiling enabled.
15625 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15626 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15627 pre-headers for the sake of the old RTL loop optimizer.
15628 * Makefile.in: Remove all references to loop.o.
15630 * doc/invoke.texi: Remove all references to -floop-optimize
15631 and -frerun-loop-opt.
15633 2006-02-26 Zack Weinberg <zackw@panix.com>
15635 * doc/md.texi (Machine Constraints): Refer to all files with paths
15636 relative to gcc directory (i.e. config/CPU/file). Add missing
15637 @table @code ... @end table to M32C subsection.
15639 2006-02-26 Roger Sayle <roger@eyesopen.com>
15641 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15643 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15645 2006-02-26 Roger Sayle <roger@eyesopen.com>
15646 James A. Morrison <phython@gcc.gnu.org>
15648 PR middle-end/21137
15649 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15650 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15651 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15652 signedness of the shift operation.
15654 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15656 PR tree-optimization/26359
15657 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15659 2006-02-25 Roger Sayle <roger@eyesopen.com>
15661 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15662 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15663 as X == 0, and some symmetry related transformations.
15664 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15666 2006-02-25 Roger Sayle <roger@eyesopen.com>
15668 PR middle-end/23673
15669 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15670 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15671 symmetry related transformations. Fold (X^C1) == C2 as
15674 2006-02-25 Juergen Weigert <jw@suse.de>
15675 Richard Guenther <rguenther@suse.de>
15677 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15679 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15681 * combine.c (gen_lowpart_or_truncate): Call
15682 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15684 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15686 * doc/invoke.texi: Move -fopenmp description to "Options for
15688 Remove reference to -lgomp.
15690 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15692 * doc/install.texi: Require GNU tar version 1.14.
15694 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15696 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15697 * doc/invoke.texi (C++ Dialect Options): Document
15698 -fno-use-cxa-get-exception-ptr.
15699 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15700 * configure: Regenerate.
15701 * c.opt (fuse-cxa-get-exception-ptr): New.
15702 * c-opts.c (c_common_handle_option): Handle
15703 OPT_fuse_cxa_get_exception_ptr.
15704 * c-common.c (flag_use_cxa_atexit): Update documentation.
15705 (flag_use_cxa_get_exception_ptr): New.
15706 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15707 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15709 (C_COMMON_OVERRIDE_OPTIONS): New.
15711 2006-02-24 Roger Sayle <roger@eyesopen.com>
15713 PR middle-end/24952
15714 * combine.c (try_combine): Explicitly check whether GET_CODE is
15715 a SET or a CLOBBER, instead on checking that it isn't a USE.
15717 2006-02-24 Roger Sayle <roger@eyesopen.com>
15719 * fold-const.c (fold_comparison): New subroutine of fold_binary
15720 containing transformations common to both the equality and
15721 ordering relational operators, factored out of fold_binary.
15722 (fold_binary): Separate out the equality operators (EQ_EXPR
15723 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15724 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15725 transformations common to both.
15726 (fold_div_compare): Fix latent bugs in the previously unreachable
15727 LT_EXPR and GE_EXPR cases.
15729 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15731 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15732 decl libname for clog to __clog on AIX.
15734 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15736 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15739 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15740 output traceback table for thunks. Localise rs6000_stack_info call.
15742 2006-02-23 Roger Sayle <roger@eyesopen.com>
15743 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15745 * gthr-posix.h (__gthrw): Fix typo in comment.
15747 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15749 * doc/cpp.texi (Character sets): Document that we do support
15750 input files to be in any character set.
15752 2006-02-23 Jeff Law <law@redhat.com>
15754 * tree.h (PHI_ARG_NONZERO): Remove.
15755 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15756 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15757 node to the new node.
15759 PR tree-optimization/26425
15760 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15761 min/max, then assume its varying.
15763 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15765 PR rtl-optimization/26316
15766 * rtlanal.c (enum may_trap_p_flags): New.
15767 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15768 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15769 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15770 (may_trap_after_code_motion_p): New function.
15771 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15772 (find_invariant_insn): Use may_trap_after_code_motion_p.
15773 * rtl.h (may_trap_after_code_motion_p): Declare.
15775 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15777 * emit-rtl.c (immed_double_const): Cleanup.
15779 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15781 Fix PR tree-optimization/26376
15782 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15785 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15787 PR middle-end/26412
15788 * gimplify.c (omp_add_variable): Guard variable size decl test with
15789 DECL_SIZE (decl) check.
15791 2006-02-23 Richard Guenther <rguenther@suse.de>
15793 PR middle-end/26439
15794 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15795 like aggregate types.
15797 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15799 * configure.ac: Add --with{,out}-long-double-128 configure option.
15800 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15801 * configure: Rebuilt.
15802 * config.in: Rebuilt.
15803 * doc/install.texi (Options specification): Document
15804 --with-long-double-128.
15806 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15807 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15808 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15809 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15811 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15813 * config/s390/s390.c (override_options): Handle
15814 TARGET_DEFAULT_LONG_DOUBLE_128.
15816 * config/alpha/alpha.c (override_options): Handle
15817 TARGET_DEFAULT_LONG_DOUBLE_128.
15819 * config/sparc/sparc.c (sparc_override_options): Handle
15820 TARGET_DEFAULT_LONG_DOUBLE_128.
15822 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15824 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15825 (real-install-headers-tar, real-install-headers-cpio)
15826 (real-install-headers-cp): New targets.
15828 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15830 * tree.h (variable_section): Delete.
15831 * varasm.c (variable_section): Delete.
15833 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15835 * install.texi: Add notes on install.texi2html.
15836 (Building in parallel): Do not use footnotes.
15838 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15841 * doc/install.texi (Configuration): Document --disable-libgomp.
15843 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15845 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15847 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15849 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15850 (vec_extractv2df_0_sse): New.
15852 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15854 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15855 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15856 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15857 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15858 to the result of the expression.
15859 (def_cfa_1): Adjust.
15860 (frame_pointer_cfa_offset): Rename to...
15861 (frame_pointer_fb_offset): ... this. Adjust all uses.
15862 (convert_cfa_to_loc_list): Rename to...
15863 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15864 Pass it on to build_cfa_loc.
15865 (compute_frame_pointer_to_cfa_displacement): Rename to...
15866 (compute_frame_pointer_to_fb_displacement): ... this. New
15867 offset parameter. Use it in computation.
15868 (gen_subprogram_die): Compute cfa_fb_offset with the new
15869 macro, and use it to compute the fb loc list and the
15872 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15874 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15875 replaced with register_operand.
15876 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15877 non-DREG is expensive.
15878 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15879 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15882 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15884 * doc/install.texi2html: Use set -e.
15886 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15888 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15889 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15890 * doc/invoke.texi (-fshared-data): Delete.
15891 * common.opt (fshared-data): Delete.
15892 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15893 (assemble_static_space): Remove #if 0 code.
15894 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15895 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15896 * config/cris/cris.h: Remove FIXME.
15898 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15900 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15903 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15905 PR middle-end/26379
15906 * combine.c (simplify_shift_const_1): Disable nested shifts
15907 optimization for vector shifts.
15909 2006-02-20 Roger Sayle <roger@eyesopen.com>
15911 PR tree-optimization/26361
15912 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15913 of unsigned integer types.
15915 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15917 * tree-chrec.c (eq_evolutions_p): New.
15918 * tree-chrec.h (eq_evolutions_p): Declared.
15919 * tree-data-ref.c: Fix formatting.
15920 (datadep_stats, dependence_stats): New.
15922 (print_direction_vector): New.
15923 (dump_data_dependence_relation): Use print_direction_vector.
15924 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15925 (compute_subscript_distance): Static.
15926 (initialize_data_dependence_relation): Static. Get the number
15927 of loops surrounding the references from the callers, and initialize
15928 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15929 base_object_differ_p analyzers.
15930 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15931 compute_overlap_steps_for_affine_1_2,
15932 analyze_subscript_affine_affine): Count the classified dependences.
15933 Print a message when a test failed.
15934 (can_use_analyze_subscript_affine_affine): New.
15935 (analyze_siv_subscript): Compute the data dependences on symbolic
15936 scevs that verify can_use_analyze_subscript_affine_affine.
15937 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15938 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15939 Handle symbolic scevs.
15940 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15942 (subscript_dependence_tester): Moved...
15943 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15944 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15945 DDR_SIZE_VECT instead of getting it in parameter.
15946 (subscript_dependence_tester): ... here. Take as a parameter
15947 loop_nest_depth. Call build_classic_dist_vector and
15948 build_classic_dir_vector.
15949 (compute_affine_dependence): Update subscript_dependence_tester
15950 parameters. Update datadep_stats counters. Call
15951 compute_subscript_distance.
15952 (compute_self_dependence): Save the dist and dir vectors. Call
15953 compute_subscript_distance.
15954 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15955 (compute_all_dependences): Reorder parameters as they were before
15956 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15957 compute_subscript_distance. Update the use of
15958 compute_affine_dependence and initialize_data_dependence_relation.
15959 (find_data_references_in_loop): Handle COMPONENT_REF.
15960 (compute_data_dependences_for_loop): Initialize dependence_stats.
15961 Don't call build_classic_dist_vector and build_classic_dir_vector.
15962 Update the parameters of initialize_data_dependence_relation and
15963 compute_all_dependences. Print the statistics from datadep_stats.
15964 (analyze_all_data_dependences): Static. Not used until the pass for
15965 checking the data dependences is contributed.
15966 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15967 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15968 (initialize_data_dependence_relation, compute_affine_dependence,
15969 analyze_all_data_dependences, compute_subscript_distance): Removed.
15970 (print_direction_vector): New.
15971 * lambda.h (gcd): ... here.
15972 (lambda_vector_gcd): Moved here from gcd_vector.
15973 * lambda-code.c (gcd, gcd_vector): Removed.
15974 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15975 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15977 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15979 * ipa-type-escape.c: Tidy some comments and white space.
15980 * tree-ssa-operands.c: Likewise.
15982 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15985 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15986 (dump_decl_name): Do not walk the decl tree chains.
15987 * tree-pass.h (TDF_CHAIN): Remove.
15989 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15991 * Makefile.in (C): Remove
15993 (.PHONY): Remove C and PROTO
15995 2006-02-20 Roger Sayle <roger@eyesopen.com>
15997 PR middle-end/26236
15998 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15999 deprecated CHAR_TYPE tree code.
16001 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16003 * configure.ac (target_list): Add install-info, dvi, html.
16004 * configure: Regenerate.
16006 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16007 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16008 treelang/Make-lang.in: Do not use double-colon rules.
16010 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16012 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16013 (TMT_USED_ALONE): New macro.
16014 * tree-pass.h (PROP_tmt_usage): New property.
16015 (TODO_update_tmt_usage): New todo.
16016 * tree-ssa-alias.c (updating_used_alone): New variable.
16017 (recalculate_used_alone): New function.
16018 (compute_may_aliases): Set updating_used_alone, call
16019 recalculate_used_alone.
16020 * tree-sra.c (pass_sra): Note that this pass destroys
16021 PROP_tmt_usage, and add TODO_update_tmt_usage.
16022 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16023 * tree-flow.h (updating_used_alone): Prototype.
16024 (recalculate_used_alone): Ditto.
16025 * passes.c (execute_todo): Add code to set updating_used_alone,
16026 and call recalculate.
16027 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16028 for clobber if used alone, and add assert to verify used_alone
16031 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16033 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16034 for non tls symbols added.
16035 (legitimize_address): Do nothing for PLUS expressions if one of the
16036 addends is a tls symbol reference.
16038 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16042 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16044 * Makefile.in (BOOTSTRAPPING): New.
16045 (quickstrap): New definition if BOOTSTRAPPING=yes.
16047 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16048 * configure.ac: Substitute all_selected_languages with the languages
16049 that were configured. For all the other variables except
16050 lang_specs_files, include all the languages in the tree.
16051 * configure: Regenerate.
16053 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16054 if there is one. Run the commands to run fixincludes in the same
16057 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16058 * doc/install.texi: Document exact conventions for searching target tools.
16059 Document --with-build-time-tools. Document toplevel bootstrap. Document
16060 something more about building an Ada cross-compiler. Don't list GNU Make
16061 requirements which affect all platforms.
16063 2006-02-19 Roger Sayle <roger@eyesopen.com>
16065 PR middle-end/19543
16066 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16067 only equivalent if the have both the same mode and precision.
16069 2006-02-20 Ben Elliston <bje@au.ibm.com>
16071 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16073 2006-02-19 Roger Sayle <roger@eyesopen.com>
16074 Steven Bosscher <stevenb.gcc@gmail.com>
16076 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16077 constant pool references to identify stack mode constants.
16078 * rtlanal.c (constant_pool_constant_p): New predicate to check
16079 whether operand is a floating point constant in the pool.
16080 * rtl.h (constant_pool_constant_p): Prototype here.
16081 * loop.c (scan_loop): Avoid hoisting constants from the constant
16082 pool on STACK_REGS targets.
16083 (load_mems): Likewise.
16084 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16085 loads into x87 registers expensive in terms of register pressure.
16087 2006-02-19 Roger Sayle <roger@eyesopen.com>
16089 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16090 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16092 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16094 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16095 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16097 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16099 * doc/invoke.texi: Document -fipa-pta.
16100 * common.opt: Add ipa-pta option.
16101 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16102 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16103 (do_ds_constraint): Ditto.
16104 (get_constraint_for): Only add to referenced_vars if
16105 referenced_vars exists.
16106 (insert_into_field_list): Rewrite to do this unsorted.
16107 (insert_into_field_list_sorted): Rename old insert_into_field_list
16109 (create_function_info_for): Use insert_into_field_list_sorted.
16110 (create_variable_info_for): Rewrite so it uses unsorted version,
16111 since the field list is sorted.
16112 (intra_create_variable_infos): Only add to referenced_vars if
16113 referenced_vars exists.
16114 (ipa_pta_execute): Init heapvars, and delete when done.
16115 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16117 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16119 * doc/install.texi: Add missing `@samp'.
16121 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16123 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16126 2006-02-18 Mark Wielaard <mark@klomp.org>
16128 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16129 who added new 4.1 features, bug fixes and integration support.
16131 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16134 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16135 MEM for ABI_V4 pic.
16137 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16139 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16140 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16141 (copy_insn_1): Likewise. Don't copy each field individually.
16143 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16145 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16146 * rtl.c (rtx_size): Rename variable to...
16147 (rtx_code_size): ...this.
16148 (rtx_size): New function.
16149 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16150 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16152 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16153 * rtl.h (rtx_code_size): New variable.
16154 (rtx_size): Change from a variable to a function.
16155 (RTX_SIZE): Rename to...
16156 (RTX_CODE_SIZE): ...this.
16159 PR tree-optimization/17106
16160 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16161 (Anchored Addresses): New section.
16162 * doc/invoke.texi (-fsection-anchors): Document.
16163 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16164 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16165 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16166 * hooks.c (hook_bool_mode_rtx_false): New function.
16167 * hooks.h (hook_bool_mode_rtx_false): Declare.
16168 * gengtype.c (create_optional_field): New function.
16169 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16170 SYMBOL_REF_IN_BLOCK_P is true.
16171 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16172 (min_anchor_offset, max_anchor_offset): Likewise.
16173 (use_anchors_for_symbol_p): New hook.
16174 * toplev.c (compile_file): Call output_object_blocks.
16175 (target_supports_section_anchors_p): New function.
16176 (process_options): Check that -fsection-anchors is only used on
16177 targets that support it and when -funit-at-a-time is in effect.
16178 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16179 if the decl doesn't have one.
16180 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16181 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16182 of force_const_mem through use_anchored_address.
16183 (expand_expr_constant): New function.
16184 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16185 calling expand_expr for INDIRECT_REF.
16186 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16187 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16188 * expr.h (use_anchored_address): Declare.
16189 * loop-unroll.c: Don't declare rtx vectors here.
16190 * explow.c: Include output.h.
16191 (validize_mem): Call use_anchored_address.
16192 (use_anchored_address): New function.
16193 * common.opt (-fsection-anchors): New switch.
16194 * varasm.c (object_block_htab, anchor_labelno): New variables.
16195 (hash_section, object_block_entry_eq, object_block_entry_hash)
16196 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16197 (use_blocks_for_decl_p, change_symbol_section): New functions.
16198 (get_variable_section): New function, split out from assemble_variable.
16199 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16200 use_blocks_for_decl_p say so. Use change_symbol_section if the
16201 symbol has already been created.
16202 (assemble_variable_contents): New function, split out from...
16203 (assemble_variable): ...here. Don't output any code for
16204 block symbols; just pass them to place_block_symbol.
16205 Use get_variable_section and assemble_variable_contents.
16206 (get_constant_alignment, get_constant_section, get_constant_size): New
16207 functions, split from output_constant_def_contents.
16208 (build_constant_desc): Create a block symbol if use_object_blocks_p
16209 says so. Or into SYMBOL_REF_FLAGS.
16210 (assemble_constant_contents): New function, split from...
16211 (output_constant_def_contents): ...here. Don't output any code
16212 for block symbols; just pass them to place_section_symbol.
16213 Use get_constant_section and get_constant_alignment.
16214 (force_const_mem): Create a block symbol if use_object_blocks_p and
16215 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16216 (output_constant_pool_1): Add an explicit alignment argument.
16217 Don't switch sections here.
16218 (output_constant_pool): Adjust call to output_constant_pool_1.
16219 Switch sections here instead. Don't output anything for block symbols;
16220 just pass them to place_block_symbol.
16221 (init_varasm_once): Initialize object_block_htab.
16222 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16223 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16224 (place_block_symbol, get_section_anchor, output_object_block)
16225 (output_object_block_htab, output_object_blocks): New functions.
16226 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16227 (TARGET_ASM_OUT): Include it.
16228 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16229 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16230 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16231 (TARGET_INITIALIZER): Include them.
16232 * rtl.c (rtl_check_failed_block_symbol): New function.
16233 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16234 (block_symbol, object_block): New structures.
16235 (rtx_def): Add a block_symbol field to the union.
16236 (BLOCK_SYMBOL_CHECK): New macro.
16237 (rtl_check_failed_block_symbol): Declare.
16238 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16239 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16240 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16241 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16242 * output.h (output_section_symbols): Declare.
16243 (object_block): Name structure.
16244 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16245 (default_use_anchors_for_symbol_p): Declare.
16246 * Makefile.in (RTL_BASE_H): Add vec.h.
16247 (explow.o): Depend on output.h.
16248 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16249 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16250 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16251 (rs6000_use_blocks_for_constant_p): New function.
16253 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16255 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16257 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16260 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16263 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16265 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16269 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16271 PR middle-end/26334
16272 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16273 instead of DECL_REGISTER.
16275 2006-02-18 Olivier Hainque <hainque@adacore.com>
16278 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16280 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16283 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16284 * opth-gen.awk: Handle Var and InverseMask together.
16285 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16286 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16287 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16288 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16290 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16291 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16292 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16293 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16294 LINUX_DYNAMIC_LINKER): Define.
16295 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16296 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16298 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16299 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16300 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16302 (TARGET_C99_FUNCTIONS): Don't define.
16303 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16304 GLIBC_DYNAMIC_LINKER.
16305 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16306 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16307 GLIBC_DYNAMIC_LINKER64): Define.
16308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16309 LINUX_DYNAMIC_LINKER64.
16310 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16312 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16314 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16316 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16317 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16318 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16320 and LINUX_DYNAMIC_LINKER32.
16321 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16323 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16325 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16327 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16328 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16329 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16330 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16331 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16332 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16333 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16334 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16335 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16336 LINUX_DYNAMIC_LINKER): Define.
16337 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16338 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16339 GLIBC_DYNAMIC_LINKER64): Define.
16340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16341 LINUX_DYNAMIC_LINKER64.
16342 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16343 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16344 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16345 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16346 LINUX_DYNAMIC_LINKER): Define.
16347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16348 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16349 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16350 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16351 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16353 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16354 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16355 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16356 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16358 * doc/invoke.texi (-muclibc): Remove caveat about supported
16361 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16363 * doc/cpp.texi (__TIMESTAMP__): Document.
16365 2006-02-17 Roger Sayle <roger@eyesopen.com>
16367 PR middle-end/25600
16368 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16369 C is one less than the width of X (and related transformations).
16370 * simplify-rtx.c (simplify_unary_operation_1): Transform
16371 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16372 depending on STORE_FLAG_VALUE, were C is one less then the
16375 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16377 Fix PR tree-optimization/26341
16378 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16379 about NAME_MEMORY_TAG's.
16381 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16384 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16385 with hardware float support, and software float support. Add fcpy
16386 alternative to hardware patterns. Add alternatives to copy between
16387 general and floating-point registers to the 32-bit pattern.
16388 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16389 secondary reload to load a QI or HI mode constant into a floating
16391 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16392 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16394 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16397 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16399 (load_macho_picbase_di): Likewise.
16401 2006-02-16 Jeff Law <law@redhat.com>
16403 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16404 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16405 (ssa_name_nonzero_p): Likewise.
16406 (get_value_range): Return NULL if VRP is not running.
16407 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16408 VRP routines do not discover a range.
16409 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16410 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16411 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16412 (tree_expr_nonnegative_p): Similarly.
16413 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16414 (restore_nonzero_vars_to_original_value): Remove.
16415 (unsafe_associative_fp_binop): Remove.
16416 (tree_ssa_dominator_optimize): Remove initialization and
16417 finalization of nonzero_vars and nonzero_vars_stack.
16418 (dom_opt_initialize_block): No longer push marker on
16419 nonzero_vars_stack.
16420 (dom_opt_finalize_block): No longer call
16421 restore_nonzero_vars_to_original_value.
16422 (record_equivalences_from_phis): No longer look for
16423 nonzero PHI arguments.
16424 (cprop_into_successor_phis): No longer propagate nonzero
16425 property into PHI arguments. Lose unused argument. Caller
16427 (record_equivalences_from_stmt): No longer record nonzero
16428 values for SSA_NAMEs.
16429 (lookup_avail_expr): No longer use nonzero_vars.
16431 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16432 for sizetype when sizetype is unsigned.
16434 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16436 PR rtl-optimization/25603
16437 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16438 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16439 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16440 with new meaning of SETS.
16442 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16447 * config/linux.opt: New file.
16448 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16449 LINUX_DYNAMIC_LINKER): Define.
16450 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16451 * config.gcc (*-*-linux*): Define extra_options.
16452 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16453 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16454 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16455 GLIBC_DYNAMIC_LINKER.
16456 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16457 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16458 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16459 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16460 * doc/invoke.texi (GNU/Linux Options): New section.
16462 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16464 * config/sparc/sparc.md (setjmp): Rewrite.
16465 (setjmp_32): Delete.
16466 (setjmp_64): Likewise.
16468 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16470 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16473 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16475 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16478 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16480 PR rtl-optimization/26296
16481 * Makefile.in (loop-invariant.c): Add except.h dependency.
16482 * loop-invariant.c: Include except.h.
16483 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16485 2005-02-16 Paul Brook <paul@codesourcery.com>
16487 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16490 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16492 PR rtl-optimization/25636
16493 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16494 when deciding whether an insn is an initializing insn.
16496 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16498 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16499 (tree_code_size): Ditto.
16500 * tree.h (struct tree_memory_tag): Remove parent_var.
16501 (struct tree_struct_field_tag): New.
16504 (union tree_node): Add sft member.
16505 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16507 (create_sft): Add size and offset argument, set SFT_OFFSET and
16509 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16510 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16511 * tree-flow-inline.h (get_subvar_at): Update for
16512 SFT_OFFSET/SFT_SIZE.
16513 (var_can_have_subvars): Ditto.
16514 (overlap_subvar): Ditto.
16515 * print-tree.c (print_node): Print out interesting things for
16517 * tree-flow.h (struct subvar): Remove offset and size members.
16518 * tree-ssa-operands.c (get_expr_operands): Update for
16519 get_indirect_ref_operands changes.
16520 (get_indirect_ref_operands): Call add_virtual_operand instead of
16521 add_stmt_operand. Only recurse on base var if requested.
16522 (access_can_touch_variable): New function.
16523 (add_stmt_operand): Split virtual operand handling into ...
16524 (add_virtual_operand): Here. Add offset, size, and for_clobber
16525 arguments. Prune alias sets.
16526 (add_call_clobber_ops): Call add_virtual_operand.
16528 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16530 PR middle-end/26300
16531 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16533 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16534 than TREE_CODE as index into omp_clause_num_ops array.
16536 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16538 PR rtl-optimization/26184
16539 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16541 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16542 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16543 must_precede, must_follow and tobe_scheduled.
16546 * opts.c (common_handle_option): Free new_option pointer.
16547 * df-core.c (df_analyze): Free postorder pointer.
16549 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16551 * Makefile.in: Fix the examples about the use of stamps
16553 2006-02-15 Michael Matz <matz@suse.de>
16555 PR middle-end/22275
16557 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16558 influenced by maximum_field_alignment or DECL_PACKED.
16559 (update_alignment_for_field): Ditto.
16560 (place_field): Ditto.
16561 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16564 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16566 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16567 (debug_flow_info): Pass it.
16568 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16569 * bb-reorder.c (reorder_basic_blocks): Likewise.
16570 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16571 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16572 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16573 * gcse.c (gcse_main, bypass_jumps): Likewise.
16574 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16575 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16576 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16577 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16578 * rtl.h (dump_flow_info): Adjust prototype.
16579 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16580 * var-tracking.c (variable_tracking_main): Likewise.
16581 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16582 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16585 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16587 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16590 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16592 PR tree-optimization/26209
16593 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16594 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16596 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16598 2006-02-14 Roger Sayle <roger@eyesopen.com>
16600 PR middle-end/23670
16601 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16602 (X,Y) and the corresponding symmetry related transformations.
16603 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16604 (X,Y) and its symmetry related transformations.
16606 2006-02-14 Roger Sayle <roger@eyesopen.com>
16608 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16611 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16613 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16615 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16618 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16619 support COMDAT group.
16620 * configure: Regenerate.
16622 2006-02-14 Roger Sayle <roger@eyesopen.com>
16624 PR middle-end/26279
16625 PR middle-end/26280
16626 PR middle-end/26283
16627 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16629 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16631 Fix PR tree-optimization/26260
16633 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16635 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16636 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16637 * tree-ssa-structalias.c (create_variable_info_for): Use
16638 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16640 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16642 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16644 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16645 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16646 of the ending condition.
16647 * tree-ssa-loop-manip.c: Include params.h.
16648 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16649 tree_unroll_loop): New functions.
16650 * tree-pass.h (pass_loop_prefetch): Declare.
16651 * loop.c (rest_of_handle_loop_optimize): Test for
16652 -fprefetch-loop-arrays-rtl.
16653 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16654 * timevar.def (TV_TREE_PREFETCH): New timevar.
16655 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16656 pass_loop_prefetch): New.
16657 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16658 (cleanup_tree_cfg_loop): Call scev_reset.
16659 * common.opt (fprefetch-loop-arrays-rtl): Add.
16660 * tree-ssa-loop-prefetch.c: New file.
16661 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16662 (new_temp_expr_table): Initialize expr_vars.
16663 (free_temp_expr_table): Cleanup expr_vars.
16664 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16665 expressions from being merged into one.
16666 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16667 (struct tree_niter_desc): Add control, bound and cmp fields.
16668 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16670 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16671 (tree-cfgcleanup.o): Add SCEV_H dependency.
16672 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16673 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16675 2006-02-14 Richard Guenther <rguenther@suse.de>
16677 PR tree-optimization/26258
16678 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16679 in PHI argument processing.
16681 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16683 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16684 new expression in the requested machine mode.
16686 2006-02-13 Roger Sayle <roger@eyesopen.com>
16688 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16689 directly, instead let do_compare_rtx_and_jump handle this for us.
16690 * expr.c (expand_expr_real_1): Likewise.
16691 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16692 before do_jump_by_parts_greater.
16693 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16694 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16696 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16698 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16700 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16702 PR rtl-optimization/26235
16703 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16704 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16707 2006-02-13 Jeff Law <law@redhat.com>
16709 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16712 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16714 PR middle-end/26092
16715 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16716 twice if decl is a builtin. When trying again, call get_callee_fndecl
16717 first to verify it is still a builtin.
16719 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16721 * dwarf2out.c (base_type_die): Don't add AT_name here.
16722 (subrange_type_die): Don't add AT_name here.
16723 (modified_type_die): Rearrange code flow. Do add AT_name here.
16725 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16727 PR rtl-optimization/26247
16728 PR rtl-optimization/26248
16729 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16731 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16733 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16734 * config/fixtfdi.c: Likewise.
16735 * config/fixunstfdi.c: Likewise.
16736 * config/floatditf.c: Likewise.
16738 2006-02-13 Roger Sayle <roger@eyesopen.com>
16740 PR middle-end/24427
16741 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16742 into (X,C2) if C1 is a subset of the bits of C2. Transform
16743 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16745 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16747 2006-02-13 Josh Conner <jconner@apple.com>
16750 * varasm.c (function_section): Check for section name before
16751 calling select_section on targets that define
16752 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16753 unlikely_text_section instead of hot_function_section if
16754 first_function_block_is_cold.
16756 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16758 PR middle-end/25335
16759 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16761 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16763 PR rtl-optimization/26222
16764 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16765 after tree->rtl expansion.
16766 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16767 before passing it to emit_move_insn.
16769 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16771 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16773 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16774 Clarify documentation.
16775 * c-common.h (warn_write_strings): Remove.
16776 * c-common.c (warn_write_strings): Likewise.
16777 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16780 2006-02-12 Roger Sayle <roger@eyesopen.com>
16782 PR middle-end/25724
16783 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16784 (do_jump_parts_zero_rtx): New function renamed from
16785 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16786 (do_jump_parts_equality_rtx): New function split out from
16787 do_jump_parts_equality. Old implementation renamed as above.
16788 Call do_jump_parts_zero_rtx if either operand is zero.
16789 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16790 do all of the heavy lifting.
16791 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16792 calling either do_jump_by_parts_greater_rtx or
16793 do_jump_by_parts_equality_rtx.
16794 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16795 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16796 moved to do_compare_rtx_and_jump, call it directly.
16797 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16798 mode argument. Call do_compare_rtx_and_jump.
16799 (emit_case_nodes): Update calls to do_jump_if_equal.
16801 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16803 PR rtl-optimization/26225
16804 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16806 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16808 PR rtl-optimization/26232
16809 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16811 2006-02-11 Jason Merrill <jason@redhat.com>
16814 * tree-inline.c (declare_return_variable): Just don't use the
16815 modify target if it's a gimple complex reg and the return slot
16818 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16820 * doc/contrib.texi: Update my entry.
16822 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16824 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16826 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16828 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16831 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16833 * doc/invoke.texi (-floop-optimize2): Removed.
16834 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16835 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16836 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16837 * common.opt (floop-optimize2): Removed.
16838 (fmove-loop-invariants): Enabled by default.
16840 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16842 * tree-if-conv.c (combine_blocks): Free the result of
16843 get_loop_exit_edges.
16845 2006-02-10 Jeff Law <law@redhat.com>
16847 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16849 PR tree-optimization/26213
16850 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16851 loop trying to follow SSA_NAME_VALUE chains.
16853 2006-02-10 Richard Guenther <rguenther@suse.de>
16855 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16856 deal with structures that end in implicitly variable sized arrays.
16858 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16860 PR rtl-optimization/24762
16861 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16864 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16866 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16867 (struct ivopts_data): Add regs_used field.
16868 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16869 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16870 instead of loop_data->regs_used;
16871 (free_loop_data): Do not free aux fields for loops.
16872 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16873 and tree_ssa_iv_optimize_finalize.
16875 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16877 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16879 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16882 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16883 computing the effective result type.
16885 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16887 PR inline-asm/16194
16888 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16889 (tree_overlaps_hard_reg_set): Declare.
16890 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16891 type and signature to match function type expected by walk_tree.
16892 (tree_overlaps_hard_reg_set): New function.
16893 (decl_conflicts_with_clobbers_p): Rename to:
16894 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16895 Use tree_overlaps_hard_reg_set. Changed caller.
16896 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16897 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16898 * cris.c (cris_md_asm_clobbers): Likewise.
16900 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16902 * reload1.c (emit_input_reload_insns): Delete code that tries to
16903 inherit using find_equiv_reg.
16905 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16907 * c-common.h (flag_const_strings): Don't declare.
16908 * c-common.c (flag_const_strings): Remove.
16909 * c.opt (fconst_strings): Remove.
16910 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16911 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16912 (c_common_init_options): Don't set flag_const_strings.
16913 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16915 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16917 * arm.md (tlobits_cbranch): New pattern.
16918 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16919 testing a single bit.
16921 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16924 * tree-ssa-pre.c (create_component_ref_by_pieces):
16925 Handle RETURN_DECL like VAR_DECL.
16927 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16929 PR middle-end/26134
16930 * fold-const.c (fold_indirect_ref_1): Fold
16931 "*(foo *)&complexfoo" to "__real__ complexfoo"
16932 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16934 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16936 * tree-flow-inline.h (var_can_have_subvars):
16937 Volatile variables should not have subvariables.
16939 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16942 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16943 multiplying unsigned values.
16946 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16948 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16950 2006-02-08 Jason Merrill <jason@redhat.com>
16953 * tree.def: Elaborate on difference from MODIFY_EXPR.
16954 * doc/c-tree.texi (INIT_EXPR): Likewise.
16955 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16956 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16957 (gimplify_target_expr): Likewise.
16958 (gimplify_cond_expr): Remove target handling.
16959 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16960 (gimplify_expr): Clobber it here.
16961 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16962 Do return slot optimization if we have an INIT_EXPR.
16965 * tree-inline.c (declare_return_variable): Also clear
16966 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16969 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16971 PR middle-end/22439
16972 * gimplify.c (gimplify_one_sizepos): Fix typo.
16974 2006-02-08 Jeff Law <law@redhat.com>
16976 PR tree-optimization/21417
16977 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16978 across a backedge if the control statement at the end of the
16979 block is data dependent on other statements in the same block.
16980 (record_temporary_equivalences_from_stmts): Remove over-conservative
16981 test for threading across backedges.
16983 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16984 control statement, handle all three special cases in the same
16985 manner as they all have the same desired solution. No longer
16986 special case edge flag updating when the post dominator is
16989 2006-02-08 Roger Sayle <roger@eyesopen.com>
16991 * tree.def (CHAR_TYPE): Remove.
16992 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16993 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16994 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16995 (gen_string_type_die): Delete unreachable function.
16997 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16998 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16999 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17000 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17001 * builtins.c (type_to_class): Likewise.
17002 * fold-const.c (fold_convert, build_range_check,
17003 merge_ranges): Likewise.
17004 * expr.c (count_type_elements): Likewise.
17005 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17006 * stor-layout.c (layout_type): Likewise.
17007 * ipa-type-escape.c (type_to_consider): Likewise.
17008 * gimplify.c (omp_firstprivatize_type_sizes,
17009 gimplify_type_sizes): Likewise.
17010 * explow.c (promote_mode): Likewise.
17011 * tree-sra.c (is_sra_scalar_type): Likewise.
17012 * varasm.c (output_constant): Likewise.
17013 * tree-inline.c (remap_type_1): Likewise.
17014 * convert.c (convert_to_pointer, convert_to_real,
17015 convert_to_integer, convert_to_complex): Likewise.
17017 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17019 * df-scan.c (df_def_record_1): A set destination may
17020 be a parallel regardless of mode.
17022 2006-02-08 Roger Sayle <roger@eyesopen.com>
17025 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17026 * config/mips/_tilib.c: Remove.
17027 * config/fixtfdi.c: New libgcc source file.
17028 * config/fixunstfdi.c: New source file.
17029 * config/floatditf.c: New source file.
17030 * config/floatunditf.c: New souce file.
17031 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17032 files above instead of config/mips/_tilib.c.
17033 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17035 2006-02-08 Jeff Law <law@redhat.com>
17037 PR tree-optimization/26169
17038 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17041 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17043 * df.h (DF_REG_SIZE): Return the length of the initialized
17046 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17048 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17049 __muldf3): Return a correctly signed zero.
17051 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17053 * passes.c (register_one_dump_file): Accept the current properties
17054 instead of pass number. Adjust call to dump_register. Remove
17056 (register_dump_files): Now a wrapper around...
17057 (register_dump_files_1): ... this one. Do not modify the pass
17059 (next_pass_1): Cosmetic fix.
17060 (execute_todo): Keep second parameter only. Use curr_properties
17061 instead of fetching it from the pass structure. Check and set
17063 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17064 instead of fetching it from the pass structure. Fix calls to
17065 execute_todo. Update curr_properties and initialize .vcg RTL dump
17066 after running the pass. Reset last_verified.
17067 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17069 (FIRST_AUTO_NUMBERED_DUMP): New.
17070 (dump_register): Remove "num" parameter, assign it within the
17072 (get_dump_file_name): Modify template for dumps.
17073 * tree-dump.h (dump_register): Adjust prototype.
17074 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17075 (PROP_trees): Add PROP_gimple_lomp.
17076 (TODO_set_props): New.
17077 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17078 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17079 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17081 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17083 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17084 (sparc64-*-linux*): Likewise.
17085 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17086 * config/sparc/t-linux: New file.
17087 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17088 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17089 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17090 -m32 -mlong-double-128.
17092 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17093 * config/alpha/t-linux: New file.
17094 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17096 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17097 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17098 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17099 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17100 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17101 (CPP_ARCH32_SPEC): Remove.
17103 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17105 PR tree-optimization/26145
17106 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17109 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17112 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17113 >= 240000 when generating code for SOM runtime.
17114 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17115 to $$dyncall when generating code for SOM runtime..
17117 2006-02-07 Dirk Mueller <dmueller@suse.com>
17120 * doc/invoke.texi (-Wsequence-point): Update documentation
17121 that -Wsequence-point is implemented for C++ as well.
17123 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17125 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17126 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17127 (LIB_SPEC): Likewise.
17128 * doc/invoke.texi (SPARC options): Document -pthread.
17130 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17132 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17135 2006-02-07 Roger Sayle <roger@eyesopen.com>
17137 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17138 Correct comment describing BOOLEAN_TYPE.
17140 2006-02-07 Dirk Mueller <dmueller@suse.com>
17142 * c.opt: C++ frontend supports -Wdiv-by-zero.
17143 * c-opts.c (c_common_handle_option): Remove dead case.
17145 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17147 * configure.ac (TLS assembler check): Do not enable TLS by
17148 default on SPARC/Solaris before version 10.
17149 * configure: Regenerate.
17151 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17153 * doc/invoke.texi (xl-compat): Document conversion and support
17156 2006-02-07 Jeff Law <law@redhat.com>
17158 * tree-vrp.c (find_conditional_asserts): Update comments.
17159 (simplify_stmt_for_jump_threading): New.
17160 (identify_jump_threads, finalize_jump_threads): New.
17161 (vrp_finalize): Call identify_jump_threads.
17162 (execute_vrp): Call finalize_jump_threads.
17163 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17164 (vrp_element, vrp_data, vrp_element_p): Remove.
17165 (vrp_hash_elt, vrp_variables_stack): Remove.
17166 (vrp_hash, vrp_eq, record_range): Remove.
17167 (simplify_cond_and_lookup_avail_expr): Remove.
17168 (extract_range_from_cond): Remove.
17169 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17170 (simplify_stmt_for_jump_threading): New.
17171 (dom_thread_across_edge): New wrapper.
17172 (tree_ssa_dominator_optimize): No longer initialize or
17173 finalize any of the VRP datastructures. Remove iteration
17174 step and simplify as a result of removal of iteration step.
17175 (pass_dominator): Perform a cfg cleanup after DOM.
17176 (dom_opt_finalize_block): Use the new common routines
17177 for threading jumps. Simplify stack management slightly.
17178 No longer need to unwind VRP state.
17179 (record_equivalences_from_incoming_edge): No longer record
17181 (eliminate_redundant_computations): No longer call
17182 simplify_cond_and_lookup_avail_expr.
17183 * tree-flow.h (potentially_threadable_block): Prototype.
17184 (thread_across_edge): Likewise.
17185 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17186 (tree-ssa-threadedge.o): Add dependencies.
17187 * tree-ssa-threadedge.c: New file.
17188 * passes.c (init_optimization_passes): Merge PHIs before
17189 calling VRP. Run VRP again late in the SSA optimization pipeline.
17191 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17193 * df-core.c (df_set_blocks): Do not dereference function pointers.
17194 (df_finish1): Likewise.
17195 (df_hybrid_search_forward): Likewise.
17196 (df_hybrid_search_backward): Likewise.
17197 (df_iterative_dataflow): Likewise.
17198 (df_analyze_problem): Likewise.
17199 (df_compact_blocks): Likewise.
17200 (df_dump): Likewise.
17201 * df-scan.c (df_rescan_blocks): Likewise.
17202 (df_record_entry_block_defs): Likewise.
17204 * genconditions.c (write_conditions): Guard the definition of
17205 'insn_conditions' with the check on GCC version.
17206 (write_writer): Guard the traversal 'insn_conditions' with
17207 the check on GCC version.
17209 2006-02-07 Richard Guenther <rguenther@suse.de>
17213 2006-01-30 Richard Guenther <rguenther@suse.de>
17215 * gimplify.c (gimplify_target_expr): Handle easy cases
17216 without creating a temporary.
17218 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17220 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17221 use of float in probability computations. Use edge probabilities
17222 in place of statically computed probabilities.
17223 (min_spec_prob): New static variable.
17224 (schedule_insns): Initialize it.
17225 (GET_SRC_PROB): Removed.
17226 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17228 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17231 * config/ia64/unwind-ia64.c: Revert last change.
17232 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17233 (INCOMING_FRAME_SP_OFFSET): Define.
17235 2006-02-06 Roger Sayle <roger@eyesopen.com>
17237 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17239 2006-02-07 Ben Elliston <bje@au.ibm.com>
17241 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17242 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17243 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17244 (ix86_return_in_memory): Handle TDmode.
17245 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17246 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17248 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17250 * reorg.c (dbr_schedule): Use dump_file instead of file.
17252 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17255 * config/ia64/predicates.md (extr_len_operand): New predicate.
17256 * config/ia64/ia64.md (extv): Tighten constraints.
17258 (*tbit_and_2): Ditto.
17259 (*tbit_and_3): Ditto.
17260 (*tbit_or_2): Ditto.
17261 (*tbit_or_3): Ditto.
17262 (*bit_zero): Ditto.
17265 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17268 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17270 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17272 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17273 loop_optimizer_init and loop_optimizer_finalize
17274 * tree-ssa-sink.c (execute_sink_code): Ditto.
17275 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17276 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17277 tree_ssa_loop_done): Ditto.
17278 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17279 * sched-ebb.c: Include output.h.
17280 (schedule_ebbs): Do not use dump argument.
17281 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17282 * loop.c (loop_dump_stream): Removed.
17283 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17285 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17286 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17287 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17288 loop_iterations, strength_reduce, record_biv, record_giv,
17289 final_giv_value, check_final_value, check_ext_dependent_givs,
17290 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17291 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17292 dump_file instead of loop_dump_stream.
17293 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17294 argument dump_file.
17295 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17297 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17298 * haifa-sched.c: Include output.h
17299 (schedule_insns, sched_init): Do not use dump argument.
17300 * mode-switching.c (optimize_mode_switching): Ditto.
17301 * modulo-sched.c (stats_file): Removed.
17302 (print_node_sched_params): Do not call argument dump_file.
17303 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17304 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17306 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17308 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17309 rtl_loop_init, rtl_loop_done): Ditto.
17310 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17311 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17313 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17314 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17315 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17316 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17317 * emit-rtl.c (renumber_insns): Ditto.
17318 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17319 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17320 * regclass.c (regclass): Ditto.
17321 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17322 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17323 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17324 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17326 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17327 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17329 * gcse.c (gcse_file, debug_stderr): Removed.
17330 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17331 rest_of_handle_gcse): Do not use dump argument.
17332 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17333 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17334 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17335 compute_code_hoist_vbeinout, compute_code_hoist_data,
17336 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17337 compute_store_table, build_store_vectors, insert_insn_start_bb,
17338 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17339 store_motion): Use dump_file instead of gcse_file.
17340 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17341 * profile.c (profile_dump_file): Removed.
17342 (branch_prob): Use dump_file instead of profile_dump_file.
17343 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17345 * tree-ssa-copy.c (dump_copy_of): Ditto.
17346 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17347 dump file to life_analysis.
17348 * bt-load.c (branch_target_load_optimize): Ditto.
17349 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17351 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17352 regclass, dbr_schedule): Declaration changed.
17353 * sched-int.h (sched_init): Declaration changed.
17354 * tree-profile.c (tree_profile_dump_file): Removed.
17355 (tree_profile_hooks): Removed profile_dump_file hook.
17356 * rtl-profile (rtl_profile_dump_file): Removed.
17357 (rtl_profile_hooks): emoved profile_dump_file hook.
17358 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17360 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17361 * tree-cfg.c (build_tree_cfg): Ditto.
17362 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17363 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17364 Declaration changed.
17365 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17366 life_analysis and schedule_insns.
17367 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17369 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17371 * config/mips/mips.c (mips_reorg): Ditto.
17372 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17375 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17377 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17378 (s390_mangle_fundamental_type): New.
17379 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17382 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17383 (alpha_mangle_fundamental_type): New.
17384 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17387 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17389 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17391 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17392 (sparc_mangle_fundamental_type): New.
17394 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17396 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17397 (s390x-*-linux*): Likewise.
17398 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17399 * config/s390/t-linux: New file.
17401 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17403 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17404 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17406 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17408 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17409 (ANTIC_SAFE_LOADS): New macro.
17410 (find_or_generate_expression): Add prototype.
17411 (set_contains_value): Allow null set for sake of not always having
17412 to allocate ANTIC_SAFE_LOADS.
17413 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17414 Allow COMPONENT_REF too.
17415 (valid_in_set): Allow COMPONENT_REF.
17416 Check ANTIC_SAFE_LOADS too.
17417 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17418 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17420 (can_PRE_operation): Add COMPONENT_REF.
17421 (create_component_ref_by_pieces): New function.
17422 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17423 (insert_aux): Move AGGREGATE_TYPE_P check here.
17424 (compute_avail): Set bb local stmt uids.
17425 (pass_pre): Use TODO_update_ssa_only_virtuals.
17427 2006-02-06 Ben Elliston <bje@au.ibm.com>
17429 * configure.ac: Unconditionally disable decimal float by default.
17430 * configure: Regenerate.
17432 2006-02-06 Ben Elliston <bje@au.ibm.com>
17434 * read-rtl.c (read_name): Terminate reading on EOF.
17436 2006-02-06 Ben Elliston <bje@au.ibm.com>
17438 * dfp.c (decimal_real_arithmetic): Change second argument type
17439 from int to enum tree_code. Do not always return true, but now
17440 return result of any call to decimal_do helper functions.
17441 * dfp.h (decimal_real_arithmetic): Update prototype.
17443 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17445 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17447 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17450 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17453 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17455 * tree-vrp.c (cfg_loops): Removed.
17456 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17457 Use current_loops instead of cfg_loops. Pass flags to
17458 loop_optimizer_init.
17459 * cfgloopmanip.c (fix_loop_structure): Update only available
17461 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17462 loop_optimizer_init.
17463 * modulo-sched.c (build_loops_structure): Removed.
17464 (sms_schedule): Use loop_optimizer_init.
17465 * loop-init.c (loop_optimizer_init): Use flags to determine
17466 which properties of loops to prepare.
17467 (rtl_loop_init): Pass flags to loop_optimizer_init.
17468 * tree-ssa-sink.c (execute_sink_code): Ditto.
17469 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17470 * tree-ssa-pre.c (init_pre): Ditto.
17471 * cfgloop.h (LOOPS_NORMAL): New.
17472 (loop_optimizer_init): Declaration changed.
17474 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17476 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17477 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17479 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17481 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17483 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17484 * pa/t-pa64: Delete quadlib.c rule.
17485 * pa/x-ada: Revert last change.
17486 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17488 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17490 PR rtl-optimization/26087
17491 * rtlanal.c (canonicalize_condition): Do not cross basic block
17494 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17497 * config/ia64/ia64.c: Include debug.h.
17498 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17499 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17500 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17501 (process_epilogue, process_set, process_for_unwind_directive):
17502 Output unwind info only if requested. Add CFA info if requested.
17503 Add new arguments as needed. Adjust callers.
17504 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17506 (DWARF2_FRAME_INFO): Define to zero.
17507 * config/ia64/unwind-ia64.c: Remove code that compensated for
17508 the CFA offset error fixed above.
17509 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17510 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17511 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17512 -funwind-tables and -fexceptions to enable frame info.
17513 (dwarf2out_frame_init): Define initial CFA even if
17514 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17515 DWARF2_UNWIND_INFO is nonzero, not just defined.
17516 (dwarf2out_frame_finish): Output non-EH call frame info only
17517 if DWARF2_FRAME_INFO is nonzero.
17518 (convert_cfa_to_loc_list,
17519 compute_frame_pointer_to_cfa_displacement): Define even if
17520 unwind info is not supported.
17521 (gen_subprogram_die): Use the above unconditionally. Remove
17522 legacy alternate code.
17523 * toplev.c (compile_file): Compile in call to
17524 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17525 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17527 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17528 Jakub Jelinek <jakub@redhat.com>
17530 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17531 IBM extended float format long double as "g" on powerpc*-linux.
17533 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17536 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17537 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17539 2006-02-03 Jason Merrill <jason@redhat.com>
17542 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17544 PR middle-end/25977
17545 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17546 on the return slot if it's an NRV.
17548 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17550 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17551 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17552 rewrite_use): Do not handle USE_OUTER.
17553 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17554 add_iv_outer_candidates, may_replace_final_value,
17555 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17556 (find_interesting_uses_op): Functionality of
17557 find_interesting_uses_outer_or_nonlin moved here.
17558 (find_interesting_uses_outside): Use find_interesting_uses_op.
17560 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17563 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17565 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17566 Ulrich Weigand <uweigand@de.ibm.com>
17569 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17570 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17571 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17572 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17574 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17575 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17576 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17577 Define secondary reloads for TFmode moves.
17578 (constant_modes): Add TFmode.
17579 (NR_C_MODES): Set to 8.
17580 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17582 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17583 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17584 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17585 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17586 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17587 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17588 (FPR mode macro): Add TFmode.
17589 (DSF mode macro): New.
17590 (<de>, <dee> mode attributes): Removed.
17591 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17592 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17593 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17594 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17595 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17596 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17597 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17598 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17599 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17600 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17601 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17602 "*negabs<mode>2", "sqrt<mode>2"):
17603 Changed <de> to <xde>. R constraint replaced by <Rf>.
17604 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17606 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17607 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17608 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17610 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17611 "extenddftf2", "extendsftf2"): New expanders.
17612 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17613 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17614 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17615 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17617 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17618 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17619 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17620 __floatditf): Add a GCC_4.1.0 symbol version tag.
17621 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17624 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17627 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17628 Use targetm.binds_local_p instead of TREE_PUBLIC.
17630 2006-02-02 Roger Sayle <roger@eyesopen.com>
17632 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17633 on INTEGER_TYPEs to indicate that it denotes a character type.
17634 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17635 signed_char_type_node, unsigned_char_type_node and char_type_node.
17636 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17637 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17638 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17640 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17641 Daniel Berlin <dberlin@dberlin.org>
17643 * tree-tailcall.c (arg_needs_copy_p): New function.
17644 (eliminate_tail_call): Use arg_needs_copy_p.
17645 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17646 (add_virtual_phis): New function.
17648 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17650 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17651 #ignore instead of #scratch for %g7 .register directive.
17653 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17655 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17658 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17660 * flow.c (calculate_global_regs_live): Assert that there aren't any
17663 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17665 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17666 what its name says.
17667 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17668 bsi_after_labels iterator.
17669 * tree-if-conv.c (find_phi_replacement_condition,
17670 replace_phi_with_cond_modify_expr): Likewise.
17671 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17672 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17674 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17676 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17678 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17681 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17682 array after growing it.
17684 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17686 PR middle-end/24901
17687 * fold-const.c (fold_checksum_tree): Change type of buf.
17689 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17691 * reload.c (push_secondary_reload): Initialize t_icode.
17693 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17695 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17696 -msoft-float -mlong-double-128 only issue a warning, but don't
17697 swich to DFmode long double.
17699 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17701 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17702 has a constant equivalent, iterate over equivalents for arg0,
17703 calling simplify_relational_operation and if there's a result
17704 cheaper than X, apply fold_rtx and return the result.
17706 2006-02-01 Jan Hubicka <jh@suse.cz>
17708 * opts.c (no_unit_at_a_time_default): New global variable.
17709 (decode_options): Use it.
17710 * opts.h (no_unit_at_a_time_default): Declare.
17712 2006-02-01 Paul Brook <paul@codesourcery.com>
17714 * function.c (assign_parm_setup_reg): Use function argument promotion
17716 * expr.c (expand_expr_real_1): Use function argument promotion rules
17719 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17721 * gcc.c (process_command): Change j to 'unsigned int'.
17723 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17725 PR middle-end/26001
17726 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17727 Use the corrected index for the character
17728 out of the string constant.
17730 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17732 * mode-switching.c (optimize_mode_switching): Fix size
17733 allocated for bb_info[n_entities].
17735 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17737 * gcc.c (main): Correct type that is allocated for
17738 explicit_link_files.
17740 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17742 * config/s390/s390.c (init_alignment_context): Set
17743 ALIAS_SET_MEMORY_BARRIER on the MEM.
17744 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17746 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17748 PR middle-end/25933
17749 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17751 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17754 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17756 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17757 * regrename.c: Ditto.
17758 * tree-ssa-loop-im.c: Ditto.
17759 * tree-dump.c: Ditto.
17760 * tree-complex.c: Ditto.
17761 * genrecog.c: Ditto.
17762 * tree-ssa-threadupdate.c: Ditto.
17764 * java/class.c: Ditto.
17765 * java/jcf-parse.c: Ditto.
17766 * java/resource.c: Ditto.
17767 * java/except.c: Ditto.
17768 * java/jvspec.c: Ditto.
17769 * java/jcf-write.c: Ditto.
17770 * java/jcf-path.c: Ditto.
17771 * java/gjavah.c: Ditto.
17772 * java/zextract.c: Ditto.
17773 * java/jcf-io.c: Ditto.
17774 * java/jcf.h: Ditto.
17775 * java/buffer.c: Ditto.
17776 * java/lang.c: Ditto.
17777 * java/parse-scan.y: Ditto.
17778 * java/lex.c: Ditto.
17779 * java/lex.h: Ditto.
17780 * cfgloopmanip.c: Ditto.
17781 * postreload-gcse.c: Ditto.
17782 * tree-ssa-loop-manip.c: Ditto.
17783 * postreload.c: Ditto.
17784 * tree-ssa-loop-ch.c: Ditto.
17787 * cppspec.c: Ditto.
17788 * diagnostic.c: Ditto.
17790 * genoutput.c: Ditto.
17792 * cfghooks.c: Ditto.
17793 * cfgloopanal.c: Ditto.
17794 * objc/objc-act.c: Ditto.
17796 * genextract.c: Ditto.
17797 * genautomata.c: Ditto.
17798 * pretty-print.c: Ditto.
17799 * genemit.c: Ditto.
17800 * cgraphunit.c: Ditto.
17802 * df-scan.c: Ditto.
17803 * haifa-sched.c: Ditto.
17804 * dominance.c: Ditto.
17806 * tree-ssa-loop-ivopts.c: Ditto.
17807 * df-core.c: Ditto.
17808 * mode-switching.c: Ditto.
17809 * modulo-sched.c: Ditto.
17811 * ipa-pure-const.c: Ditto.
17813 * fix-header.c: Ditto.
17815 * tree-stdarg.c: Ditto.
17816 * ipa-utils.c: Ditto.
17817 * loop-init.c: Ditto.
17818 * ipa-inline.c: Ditto.
17819 * cfganal.c: Ditto.
17821 * alloc-pool.c: Ditto.
17822 * dwarf2out.c: Ditto.
17824 * genattrtab.c: Ditto.
17825 * tree-ssa-loop-ivcanon.c: Ditto.
17826 * predict.c: Ditto.
17827 * timevar.c: Ditto.
17829 * fortran/gfortranspec.c: Ditto.
17830 * regmove.c: Ditto.
17831 * local-alloc.c: Ditto.
17832 * langhooks.c: Ditto.
17833 * function.c: Ditto.
17834 * tree-vectorizer.c: Ditto.
17836 * ipa-type-escape.c: Ditto.
17838 * tree-if-conv.c: Ditto.
17839 * profile.c: Ditto.
17841 * tree-data-ref.c: Ditto.
17842 * loop-unroll.c: Ditto.
17843 * treelang/treetree.c: Ditto.
17845 * bt-load.c: Ditto.
17846 * ggc-common.c: Ditto.
17848 * coverage.c: Ditto.
17850 * tree-cfgcleanup.c: Ditto.
17851 * tree-ssa-pre.c: Ditto.
17852 * cfgcleanup.c: Ditto.
17853 * loop-invariant.c: Ditto.
17854 * loop-iv.c: Ditto.
17855 * ipa-prop.c: Ditto.
17856 * print-tree.c: Ditto.
17857 * conflict.c: Ditto.
17858 * ggc-page.c: Ditto.
17859 * sched-deps.c: Ditto.
17860 * regclass.c: Ditto.
17861 * tree-object-size.c: Ditto.
17862 * combine.c: Ditto.
17863 * bb-reorder.c: Ditto.
17864 * resource.c: Ditto.
17865 * var-tracking.c: Ditto.
17866 * cfgloop.c: Ditto.
17867 * df-problems.c: Ditto.
17868 * reg-stack.c: Ditto.
17870 * gccspec.c: Ditto.
17871 * sched-rgn.c: Ditto.
17872 * tree-ssa-structalias.c: Ditto.
17873 * tree-ssa-reassoc.c: Ditto.
17874 * config/darwin-c.c: Ditto.
17875 * config/darwin.c: Ditto.
17876 * config/arm/arm.c: Ditto.
17878 * collect2.c: Ditto.
17879 * reload1.c: Ditto.
17881 2006-01-31 Nicolas Pitre <nico@cam.org>
17883 * arm.md (smaxsi3): Make aware of smax_m1.
17886 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17888 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17890 2006-01-31 Richard Guenther <rguenther@suse.de>
17892 * doc/invoke.texi (-msselibm): Document.
17893 * target.h (expand_library_builtin): New target hook.
17894 * builtins.c (expand_builtin): Use expand_library_builtin.
17895 (default_expand_library_builtin): New function.
17896 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17897 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17898 (link_gcc_math_spec): Declare.
17899 (static_specs): Add link_gcc_math_spec.
17900 * expr.h (default_expand_library_builtin): Declare.
17901 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17902 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17903 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17904 * config/i386/i386.opt (msselibm): New target option.
17905 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17906 (ix86_init_sse_abi_builtins): New function.
17907 (ix86_expand_library_builtin): Likewise.
17908 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17909 (override_options): Handle error conditions wrt -msselibm.
17910 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17911 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17912 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17915 2006-01-31 Richard Guenther <rguenther@suse.de>
17916 Paolo Bonzini <bonzini@gnu.org>
17918 * doc/install.texi (--disable-libgcc-math): Document.
17920 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17922 * expr.h (expand_normal): new inline function.
17923 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17924 * dojump.c: use it.
17925 * dwarf2out.c: use it.
17928 * expmed.c: use it.
17929 * except.c: use it.
17930 * config/sparc/sparc.c: use it.
17931 * config/i386/i386.c: use it.
17932 * config/rs6000/rs6000.c: use it.
17933 * config/arm/arm.c: use it.
17934 * config/mips/mips.c: use it.
17935 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17937 2006-01-30 Roger Sayle <roger@eyesopen.com>
17939 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17940 argv to the appropriate type.
17942 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17944 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17947 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17950 * config/s390/s390.c (struct machine_function): New flag
17951 decomposed_literal_pool_addresses_ok_p.
17952 (s390_reorg): Set it before final stage of literal pool transforms.
17953 (s390_decompose_address): Only accept displacements of the form
17954 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17956 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17958 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17959 the comparison routine return.
17961 2006-01-30 Michael Matz <matz@suse.de>
17963 * global.c (find_reg): Only evict for global regs.
17964 Take n_refs into account and dump more info.
17966 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17969 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17970 (pragma_trap, pragma_nosave_low_regs): Likewise.
17971 (current_function_anonymous_args): Likewise.
17972 (sh_deferred_function_attributes): New variable.
17973 (sh_deferred_function_attributes_tail): Likewise.
17974 (print_operand): For '@', look up trap_exit attribute.
17975 (calc_live_regs): Look up trapa_handler attribute. For trapa
17976 handlers, save/restore fpscr, but don't do any other
17977 interrupt-specific saves.
17978 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17979 Fix check for partially saved registers to check for SHmedia.
17980 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17981 (sh_output_function_epilogue): Don't clear any of the removed
17983 (sh_insert_attributes): Don't check pragma_interrupt.
17984 Insert deferred attributes. Check that interrupt attribute is
17985 present for other attributes that require its presence.
17986 (sh_attribute_table): Add new attributes trapa_handler and
17988 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17989 Don't check for pragma_interrupt. Don't store argument.
17990 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17991 (sh_deferred_function_attributes): Declare.
17992 (sh_deferred_function_attributes_tail): Likewise.
17993 * sh.md (sp_switch_1): Add operand. Change generator caller.
17994 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17995 (*return_i): Don't use when trap_exit attribute is in effect.
17996 (*return_trapa): New insn pattern.
17997 * sh-c.c: New file.
17998 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17999 setting c_target_objs and cxx_target_objs.
18000 * t-sh: Add rule for sh-c.o.
18002 2006-01-30 Richard Guenther <rguenther@suse.de>
18005 * gimplify.c (gimplify_target_expr): Handle easy cases
18006 without creating a temporary.
18008 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18010 * vec.h (safe_grow): Remove duplicated line.
18012 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18015 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18016 (expand_omp): ... here.
18017 (expand_omp_parallel): Only remove barriers for combined
18018 parallel+workshare constructs.
18020 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18024 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18025 * tree.c (build_qualified_type): Chain the new type to the original
18026 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18027 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18028 (build_pointer_type_for_mode): Only return unqualified types.
18029 (build_reference_type_for_mode): Likewise.
18031 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18033 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18034 * Makefile.in (CXX_COMPAT_WARN): Define.
18035 * configure: Regenerate.
18037 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18040 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18043 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18045 * toplev.c: Fix thinko.
18047 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18048 Marcin Dalecki <martin@dalecki.de>
18050 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18051 (push_srcloc): Use XNEW.
18052 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18054 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18056 * df-core.c (df_set_blocks): Deleted all variable.
18058 2006-01-28 Ian Lance Taylor <ian@airs.com>
18060 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18061 cgraph_output_pending_asms.
18063 2006-01-28 Zack Weinberg <zackw@panix.com>
18065 * c.opt: Add -W(no-)overlength-strings.
18066 * doc/invoke.texi: Document it.
18067 * c-opts.c (c_common_handle_option): -pedantic implies
18068 -Woverlength-strings, if not explicitly disabled already.
18069 (c_common_post_options): -Woverlength-strings defaults to off, and
18070 is always off for C++.
18071 * c-common.c (fix_string_type): Issue warning about strings longer
18072 than is portable only if warn_overlength_strings. Rearrange code
18073 a little for clarity.
18074 * configure.in: Check for -Wno-overlength-strings as well before
18075 enabling -pedantic in stage 1.
18076 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18077 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18079 * genconditions.c (write_header, write_one_condition)
18080 (write_conditions, write_writer): Consolidate very long strings
18081 that were broken up to fit in C89 portable limit. Don't use
18082 printf when fputs will do.
18084 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18086 * combine.c (simplify_comparison <AND>): Check
18087 TRULY_NOOP_TRUNCATION before start using a subreg.
18089 * config/mips/mips.md (*branch_zero<mode>,
18090 *branch_zero<mode>_inverted, *branch_equality<mode>,
18091 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18092 Remove mode check from comparisons.
18094 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18096 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18098 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18100 * expmed.c (const_mult_add_overflow_p): Remove.
18101 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18103 * recog.c (validate_replace_rtx_subexp): Remove.
18104 * recog.h: Remove the prototype for
18105 validate_replace_rtx_subexp.
18107 * integrate.h: Remove the prototype for
18108 copy_decl_for_inlining.
18109 * rtl.h: Remove the prototype for mark_constant_function.
18110 * tree-vectorizer.h: Remove the prototype for
18111 vect_strip_conversion.
18113 * modulo-sched.c (create_partial_schedule,
18114 free_partial_schedule, reset_partial_schedule): Make them
18117 * hooks.c (hook_bool_rtx_int_false): Remove.
18118 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18120 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18122 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18123 and -mlong-double-128 are incompatible.
18124 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18125 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18126 (TARGET_LIBGCC2_CFLAGS): Define.
18127 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18128 (TARGET_LIBGCC2_CFLAGS): Same.
18129 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18131 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18134 * c-typeck.c (build_binary_op): Perform implicit casts of
18135 operands before shortening them.
18137 * cfgloopmanip.c (split_loop_bb): Remove.
18138 * cfgloop.h: Remove the prototype for split_loop_bb.
18140 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18141 * cfgloop.h: Remove the prototype for
18142 flow_loop_outside_edge_p.
18144 * emit-rtl.c (init_virtual_regs): Make it static.
18145 * function.h: Remove the prototype for init_virtual_regs.
18147 * recog.c (peephole2_optimize): Make it static.
18148 * recog.h: Remove the prototype for peephole2_optimize.
18150 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18152 * df-scan.c (df_record_entry_block_defs): Check if
18153 INCOMING_RETURN_ADDR_RTX is defined.
18155 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18156 Kenneth Zadeck <zadeck@naturalbridge.com>
18158 PR rtl-optimization/24762
18159 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18160 * targhooks.c (hook_void_bitmap): New hook prototype.
18161 * targhoohs.h (hook_void_bitmap): Ditto.
18162 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18163 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18164 * target.h (live_on_entry): New function pointer.
18165 * df-scan.c (df_all_hard_regs): Removed.
18166 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18167 (df_scan_free_internal): Added df->entry_block_defs.
18168 (df_scan_alloc): Ditto.
18169 (df_scan_dump): Ditto.
18170 (df_uses_record): Plumbed flag field properly thru calls.
18171 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18172 This part fixes PR24762.
18173 (df_bb_refs_record): Added code to make the frame and arg
18174 pointers live in EH blocks.
18175 (df_refs_record): Added call to df_record_entry_block_defs.
18176 (df_record_entry_block_defs): New function.
18177 * df-core.c: Added comments to describe new artifical defs.
18178 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18179 (entry_block_defs): New field in struct df.
18180 (df_all_hard_regs): Deleted.
18181 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18182 * df-problems.c (df_ru_bb_local_compute_process_def):
18183 Added code to handle artifical defs in the entry to a function.
18184 (df_ru_bb_local_compute): Ditto.
18185 (df_rd_bb_local_compute_process_def): Ditto.
18186 (df_rd_bb_local_compute): Ditto.
18187 (df_lr_bb_local_compute): Ditto.
18188 (df_ur_bb_local_compute): Ditto.
18189 (df_urec_bb_local_compute): Ditto.
18190 (df_chain_create_bb): Ditto.
18191 (df_ur_local_finalize): Removed entry.
18192 (df_urec_init): Ditto.
18193 (df_urec_local_finalize): Ditto.
18194 (df_ri_bb_compute): Added detection of last use of pseudos.
18195 * Makefile.in (df-scan.o): Updated dependencies.
18196 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18197 * config/mips/mips.c (mips_set_live_on_entry): Added.
18198 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18200 * dce.c (marked_insn_p): Added code to handle artifical defs.
18202 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18204 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18206 (_mm_cvtsi128_si64): Likewise.
18207 (_mm_cvtsd_si64): Likewise.
18208 (_mm_cvttsd_si64): Likewise.
18209 (_mm_cvtsi64_sd): Likewise.
18210 (_mm_cvtsi64_si128): Likewise.
18211 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18212 (_mm_cvtsi64_m64): Likewise.
18213 (_m_to_int64): Likewise.
18214 (_mm_cvtm64_si64): Likewise.
18215 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18216 (_mm_cvttss_si64): Likewise.
18217 (_mm_cvtsi64_ss): Likewise.
18218 (_mm_cvtss_f32): Likewise.
18220 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18222 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18223 for pragma redefine_extname.
18225 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18228 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18229 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18230 -mno-minimal-toc to previous content.
18231 (bispecs): Remove goal.
18232 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18233 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18234 compatibility aliases on powerpc-*-*gnu*.
18235 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18236 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18237 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18238 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18239 (ldblspecs): New goal.
18240 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18241 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18243 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18244 L_sf_to_tf or L_df_to_tf is defined.
18246 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18247 Alan Modra <amodra@bigpond.net.au>
18250 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18251 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18252 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18253 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18254 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18255 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18256 (rs6000_override_options): Initialize rs6000_ieeequad.
18257 Initialize TFmode format to ibm_extended_format if not
18259 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18261 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18262 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18263 (function_arg_advance): IBM long double passed in two FPRs, not
18265 (function_arg): IBM long double passed in FPRs.
18266 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18267 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18268 Only multireg GPR aligned.
18269 (rs6000_init_libfuncs): Enable IBM long double functions if not
18271 (rs6000_generate_compare): Use IBM long double compare if not
18273 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18274 (TARGET_IEEEQUAD): Define.
18275 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18276 not TARGET_IEEEQUAD.
18277 * config/rs6000/rs6000.md: Enable TFmode patterns if
18279 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18280 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18281 and -mlong-double-128 are incompatible.
18282 * doc/invoke.texi (-mabi): Collect options together. Add
18283 ibmlongdouble and ieeelongdouble.
18285 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18287 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18289 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18290 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18291 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18292 * rtl.h (rtunion_def): Remove rt_ptr.
18294 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18295 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18296 * config/i386/winnt.c (i386_pe_mark_dllexport)
18297 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18299 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18301 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18303 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18307 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18308 pthread_key_delete. From John David Anglin. gthrw-ify
18309 pthread_getunique_np only if it it's not a macro. Delete
18311 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18312 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18313 __gthread_objc_condition_signal, __gthread_key_delete): Add
18314 "__attribute__ ((__unused__))" to unused arguments.
18315 (__gthread_recursive_mutex_init_function): Add missing return.
18316 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18317 gthr-posix95.h: Use macro-based approach for name redirection
18318 on targets missing weakref.
18320 2006-01-26 Zack Weinberg <zackw@panix.com>
18322 * genconditions.c (write_header): In generated code, #ifdef out
18323 all includes and fake declarations, except includes of bconfig.h
18324 and system.h, unless GCC_VERSION >= 3001. Do not include
18325 gensupport.h in any case.
18326 (write_conditions): Generate a definition of struct c_test. Add
18327 a comment to the generated #endif.
18328 (write_one_condition): Escape backslashes in string too.
18329 (write_writer): Generated code must escape backslashes and quote
18330 marks (but not newlines) in the strings it writes.
18331 * Makefile.in (build/gencondmd.o): Update dependencies.
18333 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18336 * Makefile.in (insn-automata.o): Add header file dependencies.
18337 * genautomata.c: Add includes.
18339 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18342 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18344 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18346 * configure.ac: Expect target tools paths to be passed from the toplevel
18347 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18349 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18351 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18354 * c.opt (Wpointer-sign): Init to -1.
18355 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18356 OPT_pedantic, to 0 otherwise.
18357 * doc/invoke.texi: Update.
18359 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18361 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18362 constants provided by 80387 instructions in the destination mode.
18364 2006-01-26 Richard Guenther <rguenther@suse.de>
18365 Andrew Pinski <pinskia@physics.uc.edu>
18368 partial PR tree-opt/17064
18369 * tree-ssa-structalias.c (intra_create_variable_infos):
18370 Create heap variables for incoming parameters if
18371 flag_argument_noalias > 1.
18372 (find_what_p_points_to): Look through default defs of
18375 2006-01-26 Jeff Law <law@redhat.com>
18378 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18379 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18380 within the VR_RANGE, use the VR_RANGE as the result, not the
18382 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18383 bounds for the type.
18385 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18387 * tree-ssa-alias.c (maybe_create_global_var): Change
18388 subvar walking to an assertion that we don't have subvar'd variables.
18390 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18393 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18394 Use a new variable, inner. PARM_DECLs are always non-weak.
18396 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18398 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18399 --disable-checking.
18401 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18403 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18405 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18407 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18408 (smax_insn, smin_insn, smax_0, smin_0): New.
18410 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18413 * config/cris/cris.c (cris_order_for_addsi3): New function.
18414 * config/cris/cris-protos.h: Prototype it.
18415 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18416 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18417 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18418 (split for "op.S1 [rx=rx+i],ry (swapped)")
18419 (split for "op(s|u).S1 [rx=rx+i],ry")
18420 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18421 Apply cris_order_for_addsi3 when generating addsi3 insns.
18423 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18425 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18426 (TREE_BLOCK): Add call to EXPR_CHECK.
18428 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18431 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18432 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18433 (dump_omp_clauses): ... here.
18434 (dump_generic_node): Handle OMP_CLAUSE.
18435 * tree.c (omp_clause_num_ops): New.
18436 (omp_clause_code_name): New.
18437 (tree_code_size): Handle OMP_CLAUSE.
18438 (tree_size): Likewise.
18439 (make_node): Document handling of OMP_CLAUSE.
18440 (tree_node_structure): Handle OMP_CLAUSE.
18441 (omp_clause_check_failed): New.
18442 (omp_clause_range_check_failed): New.
18443 (omp_clause_operand_check_failed): New.
18444 (build_omp_clause): New.
18445 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18446 * tree.h (enum omp_clause_code): Declare.
18447 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18448 (OMP_CLAUSE_RANGE_CHECK): Define.
18449 (OMP_CLAUSE_ELT_CHECK): Define.
18450 (omp_clause_check_failed): Declare.
18451 (omp_clause_operand_check_failed): Declare.
18452 (omp_clause_range_check_failed): Declare.
18453 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18454 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18455 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18456 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18457 (OMP_CLAUSE_IF_EXPR): Likewise.
18458 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18459 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18460 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18461 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18462 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18463 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18464 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18465 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18466 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18467 (OMP_CLAUSE_CODE): Define.
18468 (OMP_CLAUSE_SET_CODE): Define.
18469 (OMP_CLAUSE_CODE): Define.
18470 (OMP_CLAUSE_OPERAND): Define.
18471 (struct tree_omp_clause): Declare.
18472 (union tree_node): Add field 'omp_clause'.
18473 * treestruct.def (TS_OMP_CLAUSE): Define.
18474 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18475 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18476 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18477 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18478 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18479 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18480 (OMP_CLAUSE): Define.
18481 * print-tree.c (print_node): Handle OMP_CLAUSE.
18482 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18483 * c-typeck.c: Likewise.
18484 * gimplify.c: Likewise.
18485 * c-omp.c: Likewise.
18486 * tree-nested.c: Likewise.
18487 * tree-inline.c: Likewise.
18488 * c-parser.c: Likewise.
18489 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18492 2006-01-25 Roger Sayle <roger@eyesopen.com>
18494 PR rtl-optimization/25703
18495 * combine.c (try_combine): Handle zero_extract and strict_low_part
18496 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18498 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18500 * global.c: Fix comment typos.
18502 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18505 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18506 Use output_addr_const instead of assemble_name.
18508 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18510 * Makefile.in (sched-vis.o): Update dependencies.
18511 * haifa-sched.c (sched_finish): Clear current_sched_info.
18512 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18513 (dump_flow_info): Call it.
18514 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18516 * basic-block.h (dump_bb_info): Declare.
18517 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18518 option, and apply options only for dump files whose TDF_RTL,
18519 TDF_TREE, or TDF_IPA bits match.
18520 * rtl.h: Declare new functions exported from sched-vis.c.
18521 * sched-vis.c: Enable also if scheduling is not used.
18522 (print_value): Print the mode of registers if not inside scheduling.
18523 (print_insn): Make it work outside the scheduler. Beautify the output
18525 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18527 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18529 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18530 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18531 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18532 depending on the value of CONSTANT_POOL_ADDRESS_P.
18533 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18535 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18536 rather than SYMBOL_REF_DECL.
18537 (rtx_constant_pool): Remove const_rtx_sym_htab.
18538 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18539 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18540 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18541 Remove handling of const_rtx_sym_htab.
18542 (find_pool_constant): Delete.
18543 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18544 rather than find_pool_constant.
18545 (get_pool_constant_for_function): Delete.
18546 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18547 find_pool_constant.
18548 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18549 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18550 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18551 (SYMBOL_REF_CONSTANT): New macro.
18552 (get_pool_constant_for_function): Delete.
18553 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18554 rather than SYMBOL_REF_DECL.
18555 (i386_pe_mark_dllimport): Likewise.
18556 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18557 rather than SYMBOL_REF_DECL.
18558 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18559 (machopic_indirect_call_target): Likewise.
18561 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18563 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18565 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18567 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18569 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18571 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18573 2006-01-24 David Daney <ddaney@avtrex.com>
18576 * configure.ac (enable_tls): New enable option.
18577 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18578 * configure: Regenerate.
18579 * doc/install.texi (--enable-tls): Document new option.
18580 (--disable-tls): Ditto.
18582 2006-01-24 Richard Henderson <rth@redehat.com>
18584 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18585 * alias.c (true_dependence): Respect it.
18586 (canon_true_dependence, write_dependence_p): Likewise.
18587 * builtins.c (get_builtin_sync_mem): Set it.
18589 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18591 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18594 2006-01-24 DJ Delorie <dj@redhat.com>
18596 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18597 for storing constants in single-bit bitfields.
18599 2006-01-25 Ben Elliston <bje@au.ibm.com>
18601 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18603 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18606 * tree-ssa-pre.c (phi_translate): Return NULL
18607 for AGGREGATE_TYPE's.
18609 2006-01-24 Zack Weinberg <zackw@panix.com>
18611 * genautomata.c (process_state_for_insn_equiv_partition):
18612 Use xcalloc for insn_arcs_array.
18613 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18614 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18616 2006-01-24 Richard Henderson <rth@redhat.com>
18618 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18619 update all callers.
18621 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18623 PR rtl-optimization/25890
18624 PR rtl-optimization/25905
18625 * combine.c (expand_compound_operation, expand_field_assignment):
18626 Fail if the bitfield's final position is out of bounds.
18628 2006-01-24 Ian Lance Taylor <ian@airs.com>
18630 PR middle-end/25930
18631 * cgraphunit.c (cgraph_output_in_order): Don't clear
18632 cgraph_asm_nodes until after asm strings have been output.
18634 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18636 * fix-header.c (read_scan_file): Add new parameter imultilib when
18637 calling register_include_chains.
18639 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18641 * omp-low.c: Update documentation.
18643 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18644 Daniel Berlin <dberlin@dberlin.org>
18648 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18649 return from the function.
18651 2006-01-22 Zack Weinberg <zackw@panix.com>
18653 * rtl.def (match_code): Add second argument.
18654 * genpreds.c (write_extract_subexp): New function.
18655 (write_match_code): Add path argument. Use write_extract_subexp.
18656 (write_predicate_expr): Pass path to write_match_code.
18657 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18658 not perform a mode test.
18659 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18660 a subexpression does not constrain the top-level code set.
18661 * read-rtl.c (read_rtx_variadic): New function.
18662 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18663 * doc/md.texi: Document new notation.
18664 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18665 (cmpsi_operand): ... here, using new notation.
18667 2006-01-22 Zack Weinberg <zackw@panix.com>
18669 * varray.c: Remove GENERATOR_FILE #ifdefs.
18671 2006-01-22 Zack Weinberg <zackw@panix.com>
18673 * genautomata.c (output_reserved_units_table): Emit nothing if
18674 description->query_units_num is zero. Remove extra blank line.
18675 (output_cpu_unit_reservation_p): Short circuit
18676 if description->query_units_num is zero.
18678 2006-01-22 Zack Weinberg <zackw@panix.com>
18680 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18681 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18682 nor any of the random handful of variables that used to be necessary
18683 when this program was linked with rtlanal.o. Prune set of forward
18684 function declarations.
18685 (struct attr_desc): Remove static_p field.
18686 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18687 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18688 (attr_string): Do not read the character one past the length of
18690 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18691 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18692 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18693 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18694 (make_automaton_attrs): New.
18695 (main): Do not call into genautomata. Call local gen_bypass
18696 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18697 Remove special case for insn_alts.
18698 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18699 varray.h (leftover from previous change). Prune set of forward
18700 function declarations. Remove state_alts fields from all
18701 structures. Remove state_alts_table from struct automaton.
18702 Make everything except main static. Do not maintain num_dfa_decls.
18703 Do not maintain state_alts fields of various structures.
18704 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18705 (add_arc): Remove state_alts argument. All callers updated.
18706 (output_reserved_units_table): Emit #ifdef here...
18707 (output_tables): ...not here. Don't generate state_alts tables.
18708 (expand_automata): Don't generate attributes.
18709 (write_automata): Don't generate state_alts functions.
18710 (main): New function.
18711 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18712 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18713 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18714 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18715 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18716 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18717 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18718 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18720 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18721 * genattrtab.h: Delete file.
18722 * Makefile.in (OBJS-common): Add insn-automata.o.
18723 (insn-automata.o): New rule.
18724 (simple_generated_c): Add insn-automata.c.
18725 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18726 (genprogmd): Add automata.
18727 (build/genattrtab): Needs no extra objects nor libraries.
18728 (build/genautomata): Needs build/vec.o and -lm.
18730 2006-01-22 Zack Weinberg <zackw@panix.com>
18732 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18733 (output_dfa_max_issue_rate, locked_states_num): Delete.
18734 (struct automaton): Add locked_states field.
18735 (output_dead_lock_vect): Save number of locked states in
18736 automaton->locked_states. If it is zero, don't print anything.
18737 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18738 (output_internal_dead_lock_func): Only test the dead_lock_vect
18739 for automata that have locked states.
18740 (output_statistics): Always print the number of locked states for
18741 each automaton. Calculate total number of locked states here.
18742 (write_automata): Don't call output_dfa_max_issue_rate.
18743 * genattrtab.c: Define length_unit_log as a const variable.
18744 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18745 max_insn_queue_index const.
18746 * final.c (length_unit_log): Declare const.
18747 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18749 2006-01-22 Zack Weinberg <zackw@panix.com>
18751 * genautomata.c: Include vec.h, not varray.h.
18752 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18753 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18754 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18755 VEC_* macros operating on appropriately typed vectors, or to
18756 malloced arrays when the size is known in advance. Const-ify
18757 many char* variables and function arguments. No functional changes.
18758 * Makefile.in (build/varray.o): Delete rule.
18759 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18760 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18762 2006-01-22 Zack Weinberg <zackw@panix.com>
18764 * gensupport.c: Define get_insn_name and record_insn_name here.
18765 (read_md_rtx): Call record_insn_name as appropriate.
18766 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18767 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18768 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18770 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18771 (BUILD_VARRAY): Delete.
18772 (genprognormal): Rename genprogmd. Fold in all programs from
18773 genprognoprint; also attrtab.
18774 (build/genattrtab): Just mention genautomata.o and varray.o.
18775 Reorganize a bit, add comments to make the categories clearer.
18777 2006-01-22 Zack Weinberg <zackw@panix.com>
18779 * genconditions.c (condition_table, add_condition): Delete.
18780 (write_conditions): Don't emit n_insn_conditions nor
18781 insn_elision_unavailable. Issue the gcc version #ifdef here,
18782 inside the table, with no #else clause ...
18783 (write_header): ...not here.
18784 (write_writer): New function.
18785 (main): Don't initialize condition_table. Use add_c_test.
18787 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18788 files on the command line.
18789 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18790 Return -1 if there is no entry in the table, don't abort.
18791 (add_c_test, traverse_c_tests): New functions.
18792 * gensupport.h (insn_elision_unavailable, insn_conditions)
18793 (n_insn_conditions): Delete declarations.
18794 (add_c_test, traverse_c_tests): Declare.
18795 * read-rtl.c: Include gensupport.h.
18796 (read_conditions): New function.
18797 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18798 (read_rtx_1): If we get EOF when we were looking for an initial
18799 open paren, return 0. Call read_conditions when appropriate.
18800 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18801 dummy-conditions.o. Eliminate references to insn-conditions.o,
18802 or change them to build/gencondmd.o, as appropriate. Remove
18803 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18804 from $(simple_generated_c). For all files remaining in those
18805 two lists, add insn-conditions.md to the generator command line.
18806 Give insn-constants.h/s-constants their own rules. Add rules
18807 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18808 (build/read-rtl.o): Depend on gensupport.h.
18809 (genprognormal): Include preds.
18810 (genprogearly): Rename genprognoprint; only difference is now that
18811 they don't link with $(BUILD_PRINT).
18812 * dummy-conditions.c: Delete.
18814 2006-01-22 Zack Weinberg <zackw@panix.com>
18816 * genextract.c: Don't include insn-config.h. Do include vec.h.
18817 Declare vectors of int, char, and locstr.
18818 (locstr): New typedef.
18819 (struct extraction): Make all array fields into bare pointers.
18820 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18821 (insn_code_number): Delete.
18822 (accum_extract): New struct.
18823 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18824 (gen_insn): Take insn_code_number as an argument. Use an
18825 accum_extract structure instead of loading data directly into
18826 a struct extraction, and having to know how big it might get.
18827 (walk_rtx): Operate entirely on an accum_extract structure.
18828 (print_path): Avoid unnecessary use of printf.
18829 (print_header): New function, split out of main. Distinguish
18830 more carefully between an unrecognizable insn and an insn that
18831 has the code number of a define_expand.
18832 (main): Pass insn_code_number to gen_insn. Call print_header
18833 only after parsing. Avoid unnecessary use of printf.
18834 * Makefile.in (build/vec.o): New rule.
18835 (build/genextract): Depend on build/vec.o.
18836 (build/genextract.o): Don't depend on insn-config.h.
18838 2006-01-22 Zack Weinberg <zackw@panix.com>
18840 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18841 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18842 practical. Eliminate per-generator-program link rules.
18844 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18846 PR middle-end/24437
18847 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18848 with a call expr to ...
18849 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18851 2006-01-23 Richard Guenther <rguenther@suse.de>
18853 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18854 before make_edge with conditional EDGE_TRUE_VALUE.
18856 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18857 Jan Hubicka <jh@suse.cz>
18858 Richard Guenther <rguenther@suse.de>
18860 PR rtl-optimization/25654
18861 * cfgexpand.c (aggregate_contains_union_type): New function.
18862 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18863 for structure variables that contain a union type.
18865 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18867 * gengtype.c (new_structure): Return the structure.
18868 (create_option): Add an extra "next" argument.
18869 (create_field): New function.
18870 (adjust_field_rtx_def): Use create_option and create_field.
18871 Remove a now-unnecessary call to find_structure.
18872 (adjust_field_tree_def): Likewise.
18873 (note_yacc_type): Remove an unnecessary call to find_structure.
18874 * gengtype.h (new_structure): Return the structure.
18875 (create_option): Add an extra argument.
18876 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18877 (option): Adjust calls to create_option.
18879 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18881 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18883 2006-01-22 Paul Brook <paul@codesourcery.com>
18884 Peter Barada <peter@the-baradas.com>
18886 * config/m68k/m68k.md: Add Coldfire FPU support.
18887 Define FP mode macro and associated attributes.
18888 Use it for float mode patterns.
18889 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18890 (LIBCALL_VALUE): Use m68k_libcall_value.
18891 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18892 (m68k_function_value): Ditto.
18893 (emit_move_sequence): Ditto.
18894 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18895 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18896 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18897 (MULTILIB_EXCEPTIONS): Ditto.
18898 * config/m68k/m68k.opt: Add mcfv4e.
18899 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18900 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18901 (m68k_output_function_prologue): Save ColdFire FPU registers.
18902 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18903 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18904 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18905 ColdFire FPU registers.
18906 (m68k_libcall_value, m68k_function_value): New functions.
18907 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18908 (LIBCALL_VALUE): Use m68k_libcall_value.
18909 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18910 (MASK_COLDFIRE): Add MASK_CFV4E.
18911 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18912 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18913 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18914 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18915 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18916 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18917 * doc/invoke.tex: Document -mcfv4e on m68k.
18919 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18921 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18924 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18927 * c-opts.c (c_common_handle_option): Don't include
18928 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18929 * doc/invoke.texi (C++ Dialect Options): Document that
18930 -Wnon-virtual-dtor is no longer included in -Wall.
18932 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18934 * gcov.c (print_version), gcov-dump.c (print_version),
18935 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18938 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18940 * df-scan.c (problem_SCAN): Added NULL reset function.
18941 (df_scan_reset_blocks): Added code to call reset block function
18942 (df_bb_refs_delete) Fixed comment.
18943 (df_insn_refs_delete): Made tolerant of deleting non existent info
18944 for dataflow problems that need to be reset.
18945 * df-core.c (df_set_blocks): Ditto.
18946 * df.h (struct df_problem): Added reset_fun.
18947 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18948 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18949 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18950 functions to clear out all references to def-use or use-def chains.
18952 2006-01-21 Ben Elliston <bje@au.ibm.com>
18954 * varasm.c (assemble_real): Initialise data array.
18956 2006-01-20 Paul Brook <paul@codesourcery.com>
18958 Merge from csl-arm-branch.
18959 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18960 * config/arm/arm.md (movdi): Force operands[1] to a register
18961 if we have a non-register source.
18962 (*arm_movdi, *movdf_soft_insn): Require that one of the
18963 operands be a register.
18964 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18965 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18967 2006-01-20 DJ Delorie <dj@redhat.com>
18969 * varasm.c (initializer_constant_valid_p): Allow pointers
18970 initialized from integer constants of lesser precision.
18971 (output_constant): Allow non-int-sized pointer modes to be
18972 initialized from integer constants.
18974 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18977 * cppdefault.h (struct default_include): Add multilib flag.
18978 * cppdefault.c (cpp_include_defaults): Set it.
18979 * c.opt (-imultilib): New option.
18980 * c-opts.c (imultilib): New.
18981 (c_common_handle_option): Handle -imultilib.
18982 (c_common_post_options): Likewise.
18983 * c-incpath.c (add_standard_paths, register_include_chains):
18985 * c-incpath.h (register_include_chains): Add extra parameter.
18986 * gcc.c (do_spec_1): Generate -imultilib option.
18987 (The Specs Language): Update %I description.
18988 (process_command): Update copyright notice.
18989 * doc/cppopts.texi (-imultilib): Document.
18990 * doc/invoke.texi (-imultilib): Include in option summary.
18991 (%I): Update specs documentation.
18993 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18995 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18997 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18999 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19002 2006-01-20 Richard Guenther <rguenther@suse.de>
19003 Steven Bosscher <stevenb.gcc@gmail.com>
19005 PR rtl-optimization/24626
19006 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19007 EDGE_TRUE_VALUE if in RTL mode.
19010 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19011 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19013 2006-01-20 Dirk Mueller <dmueller@suse.com>
19016 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19017 instead of a special NOP marker.
19018 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19019 NOP marker handling.
19020 * c-common.h (empty_body_warning): Add forward declaration.
19021 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19022 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19024 2006-01-20 Paul Brook <paul@codesourcery.com>
19026 * Makefile.in (lang_checks): Keep going if mkdir fails.
19028 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19030 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19031 be able to clean out basic block when not necessary.
19032 (df_scan_free): Fixed to properly delete information if df is
19033 unused before calling df_finish.
19034 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19035 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19037 (df_bb_refs_delete): New function.
19038 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19039 * df-core.c (df_set_blocks): Added code to properly clean out
19040 unused blocks if they are not part of the blocks to consider.
19041 Added additional null check.
19042 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19043 be able to clean out basic block when not necessary
19044 * df.h (df_free_bb_function): Ditto.
19045 (df_bb_refs_delete): New function.
19046 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19047 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19048 basic block parameter to be able to clean out basic block when not
19050 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19051 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19052 Fixed to properly delete information if df is unused before
19055 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19057 PR rtl-optimization/25799
19058 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19059 Corrected confluence operator to remove bits from op2 before oring
19060 with op1 rather than removing bits from op1.
19061 (df_ru_transfer_function): Corrected test on wrong bitmap which
19062 caused infinite loop. Both of these problems were introduced in
19063 the dataflow rewrite.
19065 2006-01-19 DJ Delorie <dj@redhat.com>
19067 * reload1.c (find_reload_regs): Note the details of reload
19068 failures in the dump file.
19069 (spill_failure): Likewise.
19071 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19073 * loop-iv.c: Include df.h and hashtab.h.
19074 (enum iv_grd_result): New enum.
19075 (DF_REF_IV, DF_REF_IV_SET): New macros.
19076 (struct biv_entry): New.
19077 (df, bivs): New global variables.
19078 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19079 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19081 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19082 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19083 analyzed_for_bivness_p, record_biv): New functions.
19084 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19085 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19086 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19088 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19090 (iv_number_of_iterations): Use new interface to iv analysis.
19091 * loop-unroll.c: Do not include varray.h.
19092 (analyze_iv_to_split_insn): Use new interface to iv
19094 * loop-unswitch.c (may_unswitch_on): Ditto.
19095 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19097 (df_bb_modify): Realloc tables to the new index.
19098 (df_find_use): New function.
19099 * df.h (df_find_use): Declare.
19100 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19102 * cfgloop.h (struct rtx_iv): Remove analysed field.
19103 (iv_get_reaching_def): Removed.
19104 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19105 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19106 (loop-iv.o): Add df.h and hashtab.h dependency.
19107 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19109 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19112 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19114 (__floatundisf, __floatundidf): Likewise.
19115 * libgcc2.h (IS_IBM_EXTENDED): Define.
19117 2006-01-19 DJ Delorie <dj@redhat.com>
19119 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19121 2006-01-19 Paul Brook <paul@codesourcery.com>
19123 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19124 as nothrow when unwinding tables are disabled.
19126 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19129 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19130 of bit-field" when in system header.
19132 2006-01-19 DJ Delorie <dj@redhat.com>
19134 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19135 the 16 bit shift limit of the m16c.
19137 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19140 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19141 * config/i386/i386.c (output_set_got): Output the label if we have one
19142 for the TARGET_DEEP_BRANCH_PREDICTION case.
19144 2006-01-19 Jan Hubicka <jh@suse.cz>
19145 H.J. Lu <hongjiu.lu@intel.com>
19146 Evandro Menezes <evandro.menezes@amd.com>
19148 * invoke.texi (generic): Document
19150 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19151 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19152 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19153 (x86_use_incdec, x86_pad_returns): New variables
19154 (TARGET_CPU_DEFAULT_generic): New constant
19155 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19156 (enum processor_type): Add generic32 and generic64.
19157 * i386.md (cpu attribute): Add generic32/generic64
19158 (movhi splitter): Behave sanely when both partial_reg_dependency and
19159 partial_reg_stall are set.
19160 (K8 splitters): Enable for generic as well.
19161 * predicates.md (incdec_operand): Use TARGET_INCDEC
19162 (aligned_operand): Avoid memory mismatch stalls.
19163 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19164 * ppro.md: Enable for generic32
19165 * i386.c (generic64_cost, generic32_cost): New.
19166 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19167 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19168 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19169 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19170 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19171 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19172 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19173 x86_accumulate_outgoing_args, x86_prologue_using_move,
19174 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19175 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19176 Enable for generic.
19177 (x86_use_incdec, x86_pad_returns): New.
19178 (override_options): Add generic32 and generic64, translate "generic"
19179 to generic32/generic64 and "i686" to "generic32", refuse
19180 "generic32"/"generic64" as arch target.
19181 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19182 (ix86_reorg): Honor PAD_RETURNS.
19184 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19186 * tree-pretty-print.c (dump_generic_node): Handle
19187 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19188 * cgraph.c (cgraph_expand_queue): Rename from
19189 cgraph_analyze_queue. Update all users.
19190 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19191 cgraph_expand_queue.
19192 (cgraph_expand_all_functions): Likewise.
19193 (cgraph_finalize_pending_functions): Remove. Update callers.
19195 * tree.h (OMP_DIRECTIVE_P): Define.
19196 (OMP_PARALLEL_FN): Define.
19197 (OMP_PARALLEL_DATA_ARG): Define.
19198 (OMP_SECTIONS_SECTIONS): Define.
19199 * tree-pass.h (pass_expand_omp): Declare.
19200 * omp-low.c (struct omp_region): Declare.
19201 (struct omp_context): Remove fields 'parallel_type',
19202 'parallel_start_ix' and 'parallel_start_additional_args'.
19204 (struct omp_for_data): Rename from struct expand_omp_for_data.
19205 (omp_regions): New static variable.
19206 (root_omp_region): New static variable.
19207 (find_omp_clause): Make static.
19208 (is_in_combined_parallel_ctx): Remove.
19209 (is_combined_parallel): New.
19210 (extract_omp_for_data): Move earlier in the file.
19211 (workshare_safe_to_combine_p): New.
19212 (get_ws_args_for): New.
19213 (determine_parallel_type): Move earlier in the file.
19214 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19216 (omp_copy_decl): Likewise.
19217 (create_omp_child_function): Likewise.
19218 (lookup_omp_region): New.
19219 (dump_omp_region): New.
19220 (debug_omp_region): New.
19221 (debug_all_omp_regions): New.
19222 (new_omp_region): New.
19223 (scan_omp_parallel): If parallel_nesting_level > 1, the
19224 directive is nested within another parallel directive.
19225 Set OMP_PARALLEL_FN.
19226 (scan_omp_for): Do not try to handle combined parallel+for
19228 Remove FIXME comment.
19229 (scan_omp_nested): Remove.
19230 (scan_omp_1): Do not call scan_omp_nested when
19231 parallel_nesting_level is > 1.
19232 Do not change the DECL_CONTEXT of local variables found.
19233 (lookup_decl_in_outer_ctx): New.
19234 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19235 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19236 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19237 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19238 If CTX is nested, lookup VAR in the outer context when
19239 building copy assignment.
19240 (lower_send_clauses): Rename from expand_send_clauses.
19241 If CTX is nested, lookup VAR in the outer context when
19242 building copy assignments.
19243 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19244 If CTX is nested, lookup VAR in the outer context when
19245 building copy assignments.
19246 (expand_parallel_call): Rename from build_parallel_call.
19247 Handle combined parallel+workshare cases.
19248 Re-implement to emit code into the CFG.
19250 (expand_omp_parallel): Re-implement to emit code into the CFG.
19251 Call move_sese_region_to_fn to outline the sub-graph
19252 containing the parallel region.
19253 (expand_omp_for_1): Remove.
19254 (expand_omp_for_generic): Re-implement to emit code into the
19256 (expand_omp_for_static_nochunk): Likewise.
19257 (expand_omp_for_static_chunk): Likewise.
19258 (expand_omp_for): Likewise.
19259 (expand_omp_sections): Likewise.
19260 (remove_exit_barriers): New.
19261 (expand_omp_synch): New.
19263 (build_omp_regions_1): New.
19264 (build_omp_regions): New.
19265 (execute_expand_omp): New.
19266 (gate_expand_omp): New.
19267 (pass_expand_omp): Define.
19268 (lower_omp_sections): Rename from expand_omp_sections.
19269 Set OMP_SECTIONS_SECTIONS.
19270 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19271 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19272 (lower_omp_single): Rename from expand_omp_simple.
19273 (lower_omp_master): Rename from expand_omp_master.
19274 (lower_omp_ordered): Rename from expand_omp_ordered.
19275 (lower_omp_critical): Rename from expand_omp_critical.
19276 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19277 (lower_omp_for): Re-implement.
19278 (lower_omp_parallel): Re-implement.
19279 (lower_regimplify): Rename from expand_regimplify.
19280 (lower_omp_1): Rename from expand_omp_1.
19281 If there are syntax errors in the program, replace every
19282 OpenMP directive with NOP.
19283 Call lower_omp_* instead of expand_omp_*.
19284 (lower_omp): Rename from expand_omp.
19286 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19287 * tree-gimple.h (enum omp_parallel_type): Remove.
19288 (gimple_boolify): Declare extern.
19289 (find_omp_clause, determine_parallel_type): Remove.
19291 * gimple-low.c (lower_omp_directive): New.
19292 (lower_stmt): Call it.
19293 (record_vars_into): Move from ...
19294 (record_vars): ... here.
19295 Call record_vars_into with current_function_decl.
19297 * gimplify.c (struct gimplify_ctx): Remove fields
19298 combined_pre_p and combined_ctxp. Update users.
19299 (get_formal_tmp_var): Add documentation.
19300 (gimple_boolify): Make extern.
19301 (gimplify_expr_in_ctx): Remove. Update callers.
19302 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19303 will always be a BIND_EXPR.
19304 (gimplify_expr): Handle OMP_RETURN_EXPR.
19305 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19306 (OMP_PARALLEL): Add 3 operands.
19307 (OMP_SECTIONS): Add 1 operand.
19308 (OMP_RETURN_EXPR): Define.
19310 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19311 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19312 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19313 creating a circular free list.
19314 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19316 * tree-flow.h (move_sese_region_to_fn): Declare.
19317 (record_vars_into): Declare.
19318 * tree-cfg.c (make_omp_sections_edges): New.
19319 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19320 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19321 OMP_SECTIONS and OMP_SECTION.
19322 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19323 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19324 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19325 (gather_blocks_in_sese_region): New.
19326 (struct move_stmt_d): Declare.
19327 (move_stmt_r): New.
19328 (move_block_to_fn): New.
19329 (move_sese_region_to_fn): New.
19331 * passes.c (init_optimization_passes): Schedule
19332 pass_expand_omp after pass_init_datastructures.
19334 * tree-ssa-operands.c (get_expr_operands): Handle
19335 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19336 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19338 2006-01-19 Jeff Law <law@redhat.com>
19340 * tree-vrp.c (extract_range_from_assert): Refine the result range
19341 if the variable referenced by the ASSERT_EXPR has a range and
19342 either the tentative result range or the previous range is a
19345 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19347 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19349 2006-01-19 Jan Hubicka <jh@suse.cz>
19351 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19353 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19355 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19356 (expand_compound_operation, expand_field_assignment): Fail if the
19357 bit lengths of an extract operation are out of range.
19358 (make_extraction): Compute wanted_inner_mode based on the position
19359 and length of the extraction. Make it extraction_mode for non-constant
19360 positions, and do not modify offset in that case. When generating a
19361 new MEM, use a mode that can hold the extraction while keeping correct
19362 alignment. Remove code that supported MEMs wrapped by USEs.
19363 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19365 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19367 * config/s390/s390.md ("Y", "y"): New mode attribute.
19368 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19369 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19370 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19371 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19372 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19373 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19374 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19375 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19376 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19377 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19378 "addsi3", "subsi3"): Insn patterns removed.
19379 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19380 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19381 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19382 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19383 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19384 "*sub<mode>3_cconly2"): New insn patterns.
19385 ("addsi3", "subsi3"): New expanders.
19387 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19389 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19390 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19391 existing STMT_VINFO_VECTYPE if available.
19392 (vect_mark_relevant): Add special handling for stmts that are
19393 marked as STMT_VINFO_IN_PATTERN_P.
19394 (vect_analyze_loop): Call vect_pattern_recog.
19395 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19396 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19398 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19399 (vect_recog_func_ptr): New function-pointer type.
19400 * tree-vect-patterns.c: New file.
19401 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19402 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19403 (vect_pattern_recog_1): New functions.
19404 (vect_pattern_recog_funcs): New array of function pointers.
19406 * tree-vectorizer.h (ternary_op): New enum value.
19407 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19408 declaration. Revised documentation. Removed redundant dump prints.
19409 Removed redundant argument. Added support for reduction patterns.
19410 (vectorizable_reduction): Added support for reduction patterns.
19411 (vect_transform_stmt): Added support for patterns.
19413 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19414 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19415 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19416 (expand_widen_pattern_expr): New function.
19417 (init_optabs): Initialize new optabs udot_prod_optab,
19419 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19420 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19421 (expand_widen_pattern_expr): New function declaration.
19422 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19424 * tree-inline.c (estimate_num_insns_1): Added cases for new
19425 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19426 * tree-pretty-print.c (dump_generic_node): Likewise.
19427 (op_prio): Likewise.
19428 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19429 * tree-ssa-operands.c (get_expr_operands): Added case for
19431 * tree-vect-patterns.c (widened_name_p): New function.
19432 (vect_recog_dot_prod_pattern): Added function implementation.
19433 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19434 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19435 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19436 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19438 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19439 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19440 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19441 (init_optabs): Initialize new optabs widen_ssum_optab,
19443 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19444 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19445 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19446 use instead of type of def.
19447 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19448 function implementation.
19449 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19450 widen_ssumv8hi): New.
19452 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19455 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19458 * c-decl.c (add_flexible_array_elts_to_size): New function.
19459 (finish_decl): Use it.
19461 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19463 * diagnostic.h: Include options.h.
19464 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19465 dependancies for diagnostic.h.
19466 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19468 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19470 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19471 (ssa_ro_call_cache_valid): Ditto.
19472 * tree-ssa-alias.c (sort_tags_by_id): New function.
19473 (init_transitive_clobber_worklist): Ditto.
19474 (add_to_worklist): Ditto.
19475 (mark_aliases_call_clobbered): Ditto.
19476 (compute_tag_properties): Ditto.
19477 (set_initial_properties): Ditto.
19478 (compute_call_clobbered): Ditto.
19479 (compute_may_aliases): Call compute_call_clobbered and grouping.
19480 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19481 (compute_flow_insensitive_aliasing): Grouping now happens in our
19483 (setup_pointers_and_addressables): Remove clobbering related code.
19484 (add_may_alias): Ditto.
19485 (replace_may_alias): Ditto.
19486 (get_nmt_for): Ditto.
19487 (create_global_var):
19488 (is_escape_site): Return an escape_type enumeration.
19489 * tree-flow-inline.h (is_call_clobbered): Global var does not
19490 imply call clobbered.
19491 (mark_call_clobbered): Take a reason for marking this. Remove
19492 marking of globalness, and cache invalidation.
19493 (clear_call_clobbered): Remove cache invalidation code.
19494 * tree-dfa.c (dump_variable): If details is on, dump the reason
19496 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19498 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19499 (struct var_ann_d): Ditto.
19500 (enum escape_type): New.
19501 (mark_call_clobbered): Adjust prototype.
19502 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19503 are never call clobbered.
19504 Record reasons for escaping.
19505 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19506 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19507 (ssa_ro_call_cache_valid): Ditto.
19508 (clobbered_v_may_defs): Ditto.
19509 (clobbered_vuses): Ditto.
19510 (ro_call_vuses): Ditto.
19511 (clobber_stats): New.
19512 (init_ssa_operands): Zero out clobber stats.
19513 (fini_ssa_operands): Print out clobber stats.
19514 (get_call_expr_operands): Pass callee fndecl to
19515 add_call_read_ops).
19516 (add_call_clobber_ops): Remove use of cache.
19517 Add use of PURE_CONST information.
19518 (add_call_read_ops): Remove use of cache.
19519 Add use of static not_read information.
19521 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19523 Introduce TLS descriptors for i386 and x86_64.
19524 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19525 (TARGET_ANY_GNU_TLS): New macro.
19526 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19527 (struct machine_function): Add tls_descriptor_call_expanded_p.
19528 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19529 (ix86_current_function_calls_tls_descriptor): Likewise.
19530 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19531 (override_options): Introduce gnu2 tls dialect.
19532 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19534 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19536 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19537 (ix86_init_machine_status): Initialize new field.
19538 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19539 (ix86_tls_module_base): New.
19540 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19541 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19542 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19543 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19544 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19545 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19546 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19547 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19548 * config/i386/predicates.md (tls_modbase_operand): New.
19549 (tp_or_register_operand): New.
19551 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19553 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19554 (look_for_address_of): Ditto.
19555 (ipa_init): Walk the function decls.
19556 (static_execute): Don't set readonly on FUNCTION_DECL's.
19558 2006-01-18 Roger Sayle <roger@eyesopen.com>
19560 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19561 for shifts where the source and destination registers are different.
19563 2006-01-18 Paul Brook <paul@codesourcery.com>
19565 Merge from csl-arm-branch.
19566 2005-03-14 Julian Brown <julian@codesourcery.com>
19567 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19568 (aeabi_llsl): Likewise.
19569 (ashrdi3): Likewise.
19570 (aeabi_lasr): Likewise.
19571 (lshrdi3): Likewise.
19572 (aeabi_llsr): Likewise.
19573 2005-03-10 Julian Brown <julian@codesourcery.com>
19574 * config.gcc: Disable shared libgcc for SymbianOS.
19575 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19577 2006-01-18 DJ Delorie <dj@redhat.com>
19579 * c-pragma.c (handle_pragma_diagnostic): New.
19580 (init_pragma): Register it.
19581 * doc/extend.texi: Document it.
19583 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19584 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19585 (diagnostic_context): Add classify_diagnostic[].
19586 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19587 as errors if they're overridden to DK_WARNING.
19588 (diagnostic_initialize): Initialize classify_diagnostic[].
19589 (diagnostic_set_kind_override): New.
19590 (diagnostic_report_diagnostic): Check for kind changes.
19591 * opts.c (common_handle_option): Take lang_mask. Update callers.
19592 Handle OPT_Werror_.
19593 * common.opt (Werror=): New.
19594 * doc/invoke.texi: Document -Werror=*
19596 2006-01-18 Jeff Law <law@redhat.com>
19598 * tree-vrp.c (test_for_singularity): Correct test for new
19599 min limit. Use operand_equal_p rather than pointer equality
19600 for testing if new min/max values are equal.
19602 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19603 using range information until after propagation and folding.
19605 2006-01-18 Richard Henderson <rth@redhat.com>
19606 Aldy Hernandez <aldyh@redhat.com>
19607 Jakub Jelinek <jakub@redhat.com>
19608 Diego Novillo <dnovillo@redhat.com>
19610 * omp-low.c: New file.
19611 * c-omp.c: New file.
19613 2006-01-18 Richard Henderson <rth@redhat.com>
19614 Jakub Jelinek <jakub@redhat.com>
19615 Diego Novillo <dnovillo@redhat.com>
19617 * doc/invoke.texi: Document -fopenmp.
19618 * tree-dump.h (debug_function): Declare.
19619 * hooks.c (hook_bool_tree_bool_false): New function.
19620 (hook_tree_tree_null): Remove.
19621 (hook_tree_tree_tree_null): New.
19622 * hooks.h: Update to match.
19623 * tree-pretty-print.c (debug_tree_chain): New.
19624 (print_generic_expr): Handle TDF_CHAIN.
19625 (dump_generic_node): Handle BLOCK.
19626 Do not abort with incomplete SWITCH_EXPRs.
19627 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19628 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19629 print space after directive name.
19630 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19631 Handle OMP_MASTER and OMP_ORDERED.
19632 Handle printing of OMP_BODY just in one place, goto
19633 dump_omp_body in the rest of OMP_* nodes that have
19635 Don't handle clause nodes here. Update omp statements to
19636 use dump_omp_clauses.
19637 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19638 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19639 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19640 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19641 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19642 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19643 Adjust output for GOMP_PARALLEL.
19644 (dump_omp_clauses): New.
19645 (print_declaration): Dump DECL_VALUE_EXPR.
19646 (op_symbol_1): Split out of op_symbol.
19647 (dumping_stmts): Remove. Update all users.
19648 * cgraph.c (cgraph_analyze_queue): New.
19649 (cgraph_add_new_function): New.
19650 * cgraph.h (cgraph_analyze_queue): Declare.
19651 (cgraph_add_new_function): Declare.
19652 (cgraph_lower_function): Remove.
19653 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19654 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19655 and TYPE_P nodes in its default clause.
19656 (empty_body_p): New.
19657 (tree_range_check_failed): New.
19658 (build5_stat): New.
19659 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19660 OMP_CLAUSE_REDUCTION_MERGE,
19661 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19662 OMP_CLAUSE_PRIVATE_DEBUG,
19663 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19664 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19665 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19666 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19667 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19668 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19669 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19670 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19671 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19672 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19673 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19674 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19675 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19676 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19677 (TREE_RANGE_CHECK): New.
19678 (empty_body_p): Declare.
19679 (enum omp_clause_default_kind): New.
19680 (build_string_literal): Declare.
19681 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19682 (build5_stat, build5): Declare.
19683 * tree-pass.h (TDF_CHAIN): Define.
19684 * tree-pass.h (PROP_gimple_lomp): Define.
19685 (pass_lower_omp): Declare.
19686 * diagnostic.h (debug_tree_chain): Declare.
19687 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19689 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19690 * builtins.c (build_string_literal): Make extern.
19691 * gcc.c (include_spec_function): New.
19692 (static_spec_functions): Add it.
19693 (main): Move load of libgomp.spec ...
19694 (LINK_COMMAND_SPEC): ... here.
19695 (link_gomp_spec): New.
19696 (static_specs): Include it.
19697 (LINK_COMMAND_SPEC): Add link_gomp.
19698 (GOMP_SELF_SPECS): New.
19699 (driver_self_specs): Include it.
19700 (switch_matches): Don't mark inline.
19701 (main): Load libgomp.spec.
19702 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19703 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19704 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19705 * tree-gimple.h (enum omp_parallel): Declare.
19706 (determine_parallel_type): Declare.
19707 (omp_firstprivatize_variable): Declare.
19708 (omp_reduction_init): Declare.
19709 (diagnose_omp_structured_block_errors): Declare.
19710 (struct walk_stmt_info): Add want_return_expr.
19711 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19712 (find_omp_clause): Declare.
19713 (insert_field_into_struct): Declare.
19714 (struct walk_stmt_info): Move from tree-nested.c
19715 (walk_stmts): Declare.
19716 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19718 * cgraphunit.c (cgraph_lower_function): Make static.
19719 (cgraph_finalize_pending_functions): New.
19720 (cgraph_finalize_function): Call it.
19721 (cgraph_finalize_compilation_unit): Likewise.
19722 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19723 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19724 (BT_FN_UINT_UINT): New.
19725 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19726 DEF_FUNCTION_TYPE_VAR_4): Document.
19727 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19728 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19729 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19730 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19731 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19732 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19733 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19734 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19735 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19736 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19737 into separate files.
19738 (DEF_GOMP_BUILTIN): New.
19739 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19740 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19741 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19742 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19743 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19744 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19745 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19746 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19747 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19748 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19749 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19750 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19751 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19752 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19753 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19754 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19755 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19756 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19757 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19758 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19759 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19760 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19761 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19762 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19763 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19764 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19765 * sync-builtins.def: New file, moved from builtins.def.
19766 * omp-builtins.def: New file, moved from builtins.def.
19767 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19768 * gimple-low.c (lower_function_body): Clear data.
19769 (lower_stmt): Do not handle COMPOUND_EXPR.
19770 Remove call to print_node_brief.
19771 * c-tree.h (c_finish_omp_clauses): New prototype.
19772 (C_DECL_THREADPRIVATE_P): Define.
19773 (lookup_name_no_remap, c_omp_remap_private): Remove
19774 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19775 (check_for_loop_decls): Update decl.
19776 (lookup_name_no_remap, c_omp_remap_private): Declare.
19777 (build_indirect_ref, build_modify_expr, pushdecl,
19778 pushdecl_top_level): Move to c-common.h.
19779 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19780 before the switch, but just in the 2 places that need it.
19781 * c-decl.c (diagnose_mismatched_decls): Do not check for
19782 mismatched thread-local attributes when OLDDECL is marked
19783 threadprivate and NEWDECL has no thread-local attributes.
19784 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19785 (c_gimple_diagnostics_recursively): Rename from
19786 c_warn_unused_result_recursively. Invoke
19787 diagnose_omp_structured_block_errors.
19788 (check_for_loop_decls): Return a singular decl found.
19789 * langhooks.c (lhd_omp_predetermined_sharing): Return
19790 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19791 (lhd_omp_firstprivatize_type_sizes): New.
19792 (lhd_omp_assignment): New.
19793 (lhd_omp_predetermined_sharing): New.
19794 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19795 (struct lang_hooks_for_types): Add
19796 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19797 omp_predetermined_sharing, omp_disregard_value_expr,
19798 omp_private_debug_clause, omp_clause_default_ctor,
19799 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19800 (c_finish_omp_clauses): New.
19801 (c_finish_bc_stmt): Diagnose break within omp for.
19802 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19803 (build_unary_op): Return error_mark after reporting
19805 (build_modify_expr): Likewise.
19806 * gimplify.c: Include optabs.h and pointer-set.h.
19807 (enum gimplify_omp_var_data): Declare.
19808 (struct gimplify_omp_ctx): Declare.
19809 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19811 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19812 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19813 (splay_tree_compare_decl_uid): New.
19814 (new_omp_context): New.
19815 (delete_omp_context): New.
19816 (gimple_add_tmp_var): Call omp_add_variable.
19817 (gimplify_bind_expr): Likewise.
19818 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19819 true, disregard DECL_VALUE_EXPR on the decl if any.
19820 (gimplify_expr_in_ctx): New.
19821 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19822 omp_add_variable, omp_notice_variable, omp_is_private
19823 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19824 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19825 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19826 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19827 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19828 gimplify_omp_atomic): New.
19829 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19830 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19831 OMP_CRITICAL and OMP_ATOMIC.
19832 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19833 * c-pragma.h (enum pragma_kind): Add
19834 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19835 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19836 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19837 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19838 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19839 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19840 PRAGMA_OMP_THREADPRIVATE.
19841 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19842 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19843 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19844 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19845 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19846 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19847 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19848 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19849 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19850 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19851 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19852 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19853 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19855 (struct nesting_info): Add field_map,
19856 suppress_expansion, debug_var_chain.
19857 (create_nesting_tree): Initialize them.
19858 (lookup_field_for_decl): Use field_map.
19859 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19860 (convert_local_omp_clauses): New.
19861 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19862 (walk_body): Split out of walk_function.
19863 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19864 (convert_nonlocal_reference): Handle omp statements.
19865 (convert_local_reference): Likewise.
19866 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19867 (unnest_nesting_tree): New.
19868 (lower_nested_functions): Call it.
19869 (insert_field_into_struct): Make extern.
19870 (struct walk_stmt_info): Move to tree-gimple.h.
19871 (walk_stmts): Make extern.
19872 * omp-builtins.def: New file.
19873 * tree-iterator.c (expr_only): Clarify comment.
19874 * c-common.h (pushdecl_top_level, pushdecl,
19875 build_modify_expr, build_indirect_ref,
19876 c_finish_omp_master, c_finish_omp_critical,
19877 c_finish_omp_ordered, c_finish_omp_barrier,
19878 c_finish_omp_atomic, c_finish_omp_flush,
19879 c_finish_omp_for, c_split_parallel_clauses,
19880 omp_clause_default_kind, c_omp_sharing_predetermined,
19881 c_omp_remap_decl): Declare.
19882 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19883 (OBJS-common): Add omp-low.o.
19884 (c-omp.o, omp-low.o): Add.
19885 (gimplify.o): Add dependency on $(OPTABS_H).
19886 (GTFILES): Add omp-low.c.
19887 (gt-stringpool.h): Add.
19888 * tree-cfg.c (set_bb_for_stmt): Do not update the
19889 block-to-labels map if we are currently expanding to RTL.
19890 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19892 Handle IDENTIFIER_NODE.
19893 (tree_verify_flow_info): Do not ICE when emitting error
19894 messages about invalid labels.
19895 (dump_function_to_file): Reset CFUN before emitting the body
19897 (debug_function): New.
19898 * passes.c (init_optimization_passes): Schedule
19900 * langhooks-def.h (lhd_omp_predetermined_sharing,
19901 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19903 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19904 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19905 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19906 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19907 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19908 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19909 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19910 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19911 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19912 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19913 (LANG_HOOK_DECLS): Use them.
19915 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19916 Richard Henderson <rth@redhat.com>
19917 Jakub Jelinek <jakub@redhat.com>
19918 Diego Novillo <dnovillo@redhat.com>
19920 * c-parser.c (pragma_omp_clause): Define.
19921 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19922 (c_parser_compound_statement): Likewise.
19923 (c_parser_statement): Likewise.
19924 (c_parser_pragma): Handle omp pragmas.
19925 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19926 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19927 (c_parser_omp_clause_name, check_no_duplicate_clause,
19928 c_parser_omp_variable_list,
19929 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19930 c_parser_omp_clause_copyprivate,
19931 c_parser_omp_clause_default,
19932 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19933 c_parser_omp_clause_lastprivate,
19934 c_parser_omp_clause_nowait,
19935 c_parser_omp_clause_num_threads,
19936 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19937 c_parser_omp_clause_reduction,
19938 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19939 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19940 c_parser_omp_atomic, c_parser_omp_barrier,
19941 c_parser_omp_critical, c_parser_omp_flush,
19942 c_parser_omp_for_loop, c_parser_omp_for,
19943 c_parser_omp_master, c_parser_omp_ordered,
19944 c_parser_omp_sections_scope, c_parser_omp_sections,
19945 c_parser_omp_parallel, c_parser_omp_single,
19946 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19947 * c-pragma.c (init_pragma): Do omp pragma registration here.
19948 * c.opt (fopenmp): New flag.
19950 2006-01-18 Eric Christopher <echristo@apple.com>
19952 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19953 * config/darwin.h (GOMP_SELF_SPECS): Define.
19955 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19957 * rtl.h: Remove the prototype for reg_alloc.
19959 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19962 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19963 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19964 sjlj and dwarf2 exception handling.
19965 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19966 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19967 * pa/pa.c (function_value): Treat complex and vector types as
19969 (function_arg): Likewise. Only pass scalar floats in the floating
19970 point argument registers.
19971 * pa/t-slibgcc-dwarf-ver: New file.
19972 * pa/t-slibgcc-sjlj-ver: New file.
19973 * pa/t-slibgcc-elf-ver: Delete file.
19975 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19977 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19978 unlikely_test_section_p test.
19980 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19982 * mode-switching.c (optimize_mode_switching): Make it static.
19983 * basic-block.h: Remove the prototype for
19984 optimize_mode_switching.
19986 * modulo-sched.c (sms_schedule): Make it static.
19987 * rtl.h: Remove the prototype for sms_schedule.
19989 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19990 * rtl.h: Remove the prototype for gcse_after_reload_main.
19992 * reg-stack.c (reg_to_stack): Make it static.
19993 * rtl.h: Remove the prototype for reg_to_stack.
19995 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19997 * rtl.h: Remove the prototypes for regrename_optimize and
19998 copyprop_hardreg_forward.
20000 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20002 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20003 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20004 Test against the appropriate null constant for the mode.
20005 If 'fixup_overlap' is true, swap the operands if they overlap.
20006 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20007 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20008 alpha_split_tmode_pair and adjust for above change.
20009 * config/alpha/alpha.md (movtf_internal): Adjust call to
20010 alpha_split_tfmode_pair and rely on it to swap the operands.
20011 (movti_internal): New insn and post-reload splitter.
20012 (movti): New expander.
20014 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20016 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20019 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20021 * rtlanal.c (global_reg_mentioned_p_1,
20022 global_reg_mentioned_p): Remove.
20023 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20025 * flow.c (initialize_uninitialized_subregs): Make it static.
20026 * rtl.h: Remove the prototype for
20027 initialize_uninitialized_subregs.
20029 * function.c (instantiate_virtual_regs): Make it static.
20030 * function.h: Remove the prototype for
20031 instantiate_virtual_regs.
20033 * regmove.c (regmove_optimize, combine_stack_adjustments):
20035 * rtl.h: Remove the prototypes for regmove_optimize and
20036 combine_stack_adjustments.
20038 2006-01-17 Roger Sayle <roger@eyesopen.com>
20040 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20041 (size_cost): Encode costs in bytes so that a reg-reg addition is
20042 equivalent to COSTS_N_INSNS(1).
20043 (override_options): Use the size_cost.branch_cost as the default
20044 ix86_branch_cost when optimizing for size.
20046 2006-01-18 Ben Elliston <bje@au.ibm.com>
20048 * Makefile.in (D32PBIT_FUNCS): New.
20049 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20050 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20051 D64PBIT_FUNCS and D128PBIT_FUNCS.
20052 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20053 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20055 (decnumber_dep): Define.
20056 * doc/libgcc.texi (Decimal float library routines): New node.
20057 * config/dfp-bit.h, config/dfp-bit.c: New files.
20059 2006-01-18 Ben Elliston <bje@au.ibm.com>
20061 * expr.c (emit_move_change_mode): Always adjust addresses, not
20062 just during reload. Copy replacements only during reload.
20063 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20064 emit_move_via_integer.
20066 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20068 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20069 instead of $(srcdir) and ${srcdir}.
20071 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20074 PR middle-end/11135
20075 * arm.h (struct machine_function): Add pic_reg.
20076 * arm.c (arm_pic_register): Make unsigned.
20077 (arm_override_options): Only set arm_pic_register if
20078 TARGET_SINGLE_PIC_BASE.
20079 (use_return_insn): Only test for a pic register if it is fixed.
20080 (arm_compute_save_reg0_reg12_mask): Likewise.
20081 (thumb_compute_save_reg_mask): Likewise.
20082 (legitimate_pic_operand): Factor out some known invariants.
20083 (legitimize_pic_address): If we don't have a fixed pic register,
20084 then set up a pseudo in the function entry sequence. Handle the
20085 pic base being in a pseudo.
20086 (arm_load_pic_register): Handle the pic register being in a pseudo.
20087 (arm_expand_prologue): Only set up the pic register if it is fixed.
20088 (thumb_expand_prologue): Likewise.
20089 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20090 (pic_load_addr_based_insn): Likewise.
20091 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20094 2006-01-18 Ben Elliston <bje@au.ibm.com>
20096 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20097 decimal float modes for all floating point registers.
20099 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20100 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20102 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20105 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20106 even when the pointer is not NULL.
20108 2006-01-16 Ian Lance Taylor <ian@airs.com>
20110 * common.opt (ftoplevel-reorder): New option.
20111 * cgraph.c (cgraph_asm_nodes): New global variable.
20112 (cgraph_asm_last_node): New static variable.
20113 (cgraph_order): New global variable.
20114 (cgraph_create_node): Set new order field.
20115 (cgraph_varpool_node): Likewise.
20116 (decide_is_variable_needed): Return true if not
20117 flag_toplevel_reorder.
20118 (cgraph_add_asm_node): New function.
20119 * cgraph.h (struct cgraph_node): Add order field.
20120 (struct cgraph_varpool_node): Add order field.
20121 (struct cgraph_asm_node): Define.
20122 (cgraph_asm_nodes, cgraph_order): Declare.
20123 (cgraph_add_asm_node): Declare.
20124 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20126 (cgraph_varpool_assemble_pending_decls): Call it.
20127 (cgraph_output_pending_asms): New static function.
20128 (cgraph_finalize_compilation_unit): Call it.
20129 (struct cgraph_order_sort): Define.
20130 (cgraph_output_in_order): New static function.
20131 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20132 !flag_toplevel_reorder case.
20133 * c-parser.c: Include "cgraph.h".
20134 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20136 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20137 than -fno-unit-at-a-time.
20138 * doc/invoke.texi (Option Summary): Mention
20139 -fno-toplevel-reorder.
20140 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20141 -funit-at-a-time documentation.
20143 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20144 Kazu Hirata <kazu@codesourcery.com>
20146 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20148 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20150 * Makefile.in (FUNCTION_H): New. Use it instead of
20151 function.h throughout the file.
20152 * function.h: Include tree.h.
20154 2006-01-17 Ben Elliston <bje@au.ibm.com>
20156 * recog.c: Separate some functions with whitespace.
20158 2006-01-16 Richard Henderson <rth@redhat.com>
20160 Merge from gomp branch:
20161 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20162 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20163 and rename from struct inline_data. Rename callee* to dst*;
20164 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20165 transform_new_cfg, transform_return_to_modify, and
20166 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20168 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20169 (copy_decl_for_dup): Remove.
20170 * tree-inline.c (struct inline_data): Move to header.
20171 (insert_decl_map): Export.
20172 (remap_decl): Update for member name changes. Use copy_decl hook.
20173 Allow for replacement to be a non-decl. Remove dead code.
20174 (remap_type_1): Check for existing mapping.
20175 (remap_type): Export.
20176 (remap_decls): Update for member name changes.
20177 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20178 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20179 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20180 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20181 (tree_function_versioning, build_duplicate_type): Likewise.
20182 (copy_body_r): Likewise. Export.
20183 (copy_decl_for_dup): Split into ...
20184 (copy_decl_for_dup_finish, copy_decl_to_var,
20185 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20186 (replace_ref_tree, inlining_p): Remove.
20188 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20190 * ifcvt.c (if_convert): Make it static.
20191 * rtl.h: Remove the prototype for if_convert.
20193 * local-alloc.c (local_alloc): Make it static.
20194 * rtl.h: Remove the prototype for local_alloc.
20196 * loop.c (loop_optimize): Make it static.
20197 * cfgloop.h: Remove the prototype for loop_optimize.
20200 2006-01-16 DJ Delorie <dj@redhat.com>
20202 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20205 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20207 * pa.md: Disparage copies between general and floating-point registers
20208 in 32-bit move patterns.
20210 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20213 * Makefile.in (check-%): Depend on site.exp instead of
20214 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20217 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20219 * global.c (global_alloc): Make it static.
20220 * rtl.h: Remove the prototype for global_alloc.
20222 2006-01-16 Richard Guenther <rguenther@suse.de>
20224 * tree-ssa-alias.c (struct used_part): Add write_only field.
20225 (get_or_create_used_part_for): Initialize it to true.
20226 (create_overlap_variables_for): Don't create structure variables
20227 for structures that only are written to.
20228 (find_used_portions): Handle MODIFY_EXPR to track whether a
20229 structure is only written to.
20231 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20233 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20235 * basic-block.h: Remove the prototype for
20236 partition_hot_cold_basic_blocks.
20238 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20240 * cppspec.c (lang_specific_spec_functions): Remove.
20241 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20242 * gcc.h (lang_specific_spec_functions): Remove.
20243 * gccspec.c (lang_specific_spec_functions): Remove.
20245 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20247 * combine.c (record_value_for_reg): Invalidate registers
20249 (record_dead_and_set_regs_1): Likewise, by passing them to
20250 record_value_for_reg.
20251 (record_dead_and_set_regs): Invalidate stores made by a
20252 call. We do not combine across a call, but we still
20253 relied on equivalences.
20255 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20257 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20258 vrp_int_const_binop returning non-constant nodes.
20260 2006-01-16 Paul Brook <paul@codesourcery.com>
20262 * config/m68k/m68k.c (output_move_const_into_data_reg):
20263 Output correct mnemonic for mvz and mvs.
20265 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20267 * rtl-factoring.c: Add sequence abstraction algorithm.
20268 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20269 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20271 (block_has_preserve_label): New function.
20272 * common.opt: Register new pass.
20273 * Makefile.in: Ditto.
20275 * timevar.def: Ditto.
20276 * tree-pass.h: Ditto.
20277 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20278 * rtl.h (make_jump_insn_raw): Add forward decl.
20279 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20281 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20282 Roger Sayle <roger@eyesopen.com>
20284 * fold-const.c (fold_minmax): New static function.
20285 (fold_binary) <MIN_EXPR>: Call it.
20286 <MAX_EXPR>: Likewise.
20287 * stor-layout.c (place_field): Use DECL_SIZE consistently
20288 in the computation of the new record size.
20290 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20292 * cse.c (cse_condition_code_reg): Make it static.
20293 * rtl.h: Remove the prototype for cse_condition_code_reg.
20295 * combine.c (combine_instructions): Make it static.
20296 * rtl.h: Remove the prototype for combine_instructions.
20298 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20301 * tree.c (get_file_function_name_long): Concatenate the first global
20302 object name with a string derived from the input filename of the object
20305 2006-01-16 Ben Elliston <bje@au.ibm.com>
20307 * config/i386/winnt-stubs.c: Update FSF address.
20308 * config/xtensa/ieee754-df.S: Ditto.
20309 * config/xtensa/ieee754-sf.S: Ditto.
20311 2006-01-14 Ian Lance Taylor <ian@airs.com>
20313 * ifcvt.c (noce_init_if_info): New static function, broken out of
20314 noce_process_if_block.
20315 (noce_process_if_block): Call noce_init_if_info.
20316 (check_cond_move_block): New static function.
20317 (cond_move_process_if_block): New static function.
20318 (process_if_block): Call cond_move_process_if_block.
20320 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20322 * cselib.c (hash_table): Rename to cselib_hash_table.
20323 (cselib_clear_table, discard_useless_values,
20324 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20325 cselib_init, cselib_finish): Adjust uses of hash_table.
20327 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20329 PR tree-optimization/25485
20330 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20331 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20332 is known to be false and true, respectively.
20334 2006-01-14 Richard Guenther <rguenther@suse.de>
20336 PR tree-optimization/22548
20337 PR tree-optimization/22555
20338 PR tree-optimization/22501
20339 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20340 * params.def (salias-max-array-elements): New parameter.
20341 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20342 * doc/invoke.texi (salias-max-array-elements): Document.
20343 * tree-flow-inline.h (var_can_have_subvars): We also handle
20345 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20347 * tree-ssa-structalias.c (params.h): Include.
20348 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20349 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20350 (get_constraint_for): For ADDR_EXPR operating on something
20351 containing an ARRAY_REF, add all subvars to the solution.
20352 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20353 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20354 for creating MUST_DEFs.
20355 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20357 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20359 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20361 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20362 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20363 number_of_iterations_le): New functions.
20364 (number_of_iterations_special): Removed.
20365 (number_of_iterations_exit): Do not use number_of_iterations_special.
20366 * tree.c (unsigned_type_for): Always return integer type.
20368 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20369 Richard Guenther <rguenther@suse.de>
20371 PR rtl-optimization/24257
20372 * gcse.c (find_moveable_store): Only consider a store movable
20373 when the SET_SRC of the insn can be assigned to a register.
20375 2006-01-14 Ian Lance Taylor <ian@airs.com>
20377 * tree.c (tree_not_class_check_failed): New function.
20378 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20379 (tree_not_class_check_failed): Declare.
20381 2006-01-13 Ian Lance Taylor <ian@airs.com>
20383 * reload1.c (do_output_reload): Add assertion rejecting a
20386 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20388 * combine.c (struct reg_stat): Add new fields truncation_label and
20390 (record_value_for_reg): Reset truncated_to_mode.
20391 (record_truncated_value): New function.
20392 (check_promoted_subreg): Call it. Rename to check_conversions.
20393 (combine_instructions): Rename check_promoted_subreg to
20395 (reg_truncated_to_mode): New function.
20396 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20397 (gen_lowpart_or_truncate): New function.
20398 (force_to_mode): Use it instead of gen_lowpart.
20400 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20402 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20403 VAR is a tag, not its type tag.
20405 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20407 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20408 alternatives to match style of other entries.
20409 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20411 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20413 PR tree-optimization/25771
20414 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20417 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20420 * tree-inline.c (declare_return_variable): If the return variable
20421 was marked as a non gimple complex, set the return slot variable
20422 to be a non gimple comple variable.
20424 2006-01-13 Richard Guenther <rguenther@suse.de>
20426 * builtins.c (expand_builtin_sincos): New function.
20427 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20429 (expand_builtin): Expand sincos using expand_builtin_sincos.
20431 2006-01-12 DJ Delorie <dj@redhat.com>
20433 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20434 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20435 so that constant shifts can be split.
20436 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20437 (m32c_valid_pointer_mode): Make static.
20438 (shift_gen_func_for): New.
20439 (m32c_prepare_shift): Use it. Split large const shifts into
20441 * config/m32c/predicates.md (shiftcount_operand): Allow more
20443 (longshiftcount_operand): New.
20444 * doc/md.texi (Machine Constraints): Document In6.
20446 2006-01-13 Ben Elliston <bje@au.ibm.com>
20448 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20449 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20452 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20454 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20455 to try to avoid clobbering pieces of structures when we know
20456 something about the whole structure.
20457 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20459 2006-01-13 Ben Elliston <bje@au.ibm.com>
20461 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20462 return in memory, as this is no limitation is no longer present.
20464 2006-01-12 DJ Delorie <dj@redhat.com>
20466 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20467 mova with fb, and for fb+0 -> An.
20469 * config/m32c/mov.md (peephole2): Fix enabling logic.
20471 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20472 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20473 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20474 FINI_ARRAY_SECTION_ASM_OP): Define.
20476 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20478 (m32c_legitimize_reload_address): New logic to reload FB to An.
20479 (m32c_output_reg_push): Add newline.
20480 (m32c_output_reg_pop): Likewise.
20482 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20484 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20486 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20488 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20490 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20492 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20495 2006-01-11 Ben Elliston <bje@au.ibm.com>
20497 * rtlanal.c (find_reg_note): Assert insn is not null.
20499 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20501 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20504 2006-01-11 Jeff Law <law@redhat.com>
20506 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20508 (mark_threaded_blocks, register_jump_thread): New functions.
20509 (thread_through_all_blocks): Remove unwanted argument. No
20510 longer rely on e->aux to communicate thread target info.
20511 Call mark_threaded_blocks. Release the threaded_blocks
20512 bitmap and threaded_edges vector when complete.
20513 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20514 (threaded_blocks): Remove.
20515 (tree_ssa_dominator_optimize): Remove initialization and
20516 finalization of threaded_blocks. Simplify call to
20517 thread_through_all_blocks.
20518 (thread_across_edge): Call register_jump_thread rather than
20519 storing thread information into e->aux.
20520 (free_all_edge_infos): Simplify now that e->aux is no longer
20521 used to communicate with thread_through_all_blocks.
20522 * tree-flow.h (thread_through_all_blocks): Update prototype.
20523 (register_jump_thread): Prototype.
20525 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20527 * df-core.c (df_compact_blocks, df_bb_replace): Use
20528 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20530 2006-01-11 Richard Guenther <rguenther@suse.de>
20532 PR tree-optimization/25734
20533 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20534 stop propagation after successful propagation to the LHS.
20536 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20538 * basic-block.h (control_flow_graph): Change the type of
20539 x_basic_block_info to VEC(basic_block,gc) *.
20540 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20542 (SET_BASIC_BLOCK): New.
20543 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20544 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20545 * cfgbuild.c (find_basic_blocks): Likewise.
20546 * cfglayout.c (fixup_reorder_chain): Likewise.
20547 * cfgrtl.c (create_basic_block_structure,
20548 rtl_create_basic_block): Likewise.
20549 * ifcvt.c (find_if_case_1): Likewise.
20550 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20553 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20555 * Makefile.in: Removed rotted odf.c entry.
20557 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20560 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20561 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20562 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20563 output pattern modifier, not %e.
20564 * config/cris/cris.c (cris_op_str): Update comment about pattern
20566 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20567 before falling through into...
20568 <case 'E'>: Redefined from old 'e' case.
20570 2006-01-11 Jan Hubicka <jh@suse.cz>
20573 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20575 2006-01-11 Jan Hubicka <jh@suse.cz>
20577 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20578 * i386.c (x86_decompose_lea): Kill.
20579 (ix86_rtx_costs): Kill.
20581 2006-01-11 Jan Hubicka <jh@suse.cz>
20583 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20584 * cgraph.h (cgraph_node): Add inline_decl.
20585 (cgraph_insert_node_to_hashtable): Declare.
20586 (save_inline_function_body): Declare.
20587 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20589 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20590 (cgraph_function_versioning): Update call of tree_function_versioning.
20591 (save_inline_function_body): New function.
20592 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20593 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20594 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20595 (cgraph_default_inline_p): Likewise.
20596 (cgraph_decide_inlining_incrementally): Likewise.
20597 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20598 (copy_bb): Kill saving; do updating of clones.
20599 (copy_cfg_body): Kill saving.
20600 (initialize_inlined-parameters): Likewise.
20601 (expand_call_inline): Likewise.
20603 (tree_function_versioning): New parameter "update_clones".
20604 (inlining_p): Kill saving.
20605 * tree-inline.h (tree_function_versioning): Update prototype.
20606 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20609 2006-01-11 Ian Lance Taylor <ian@airs.com>
20611 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20612 Allow undoing set of machine mode.
20613 (do_SUBST): Use enums instead of is_int.
20614 (do_SUBST_MODE): New function.
20615 (SUBST_MODE): New macro.
20616 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20617 reg and trying to replace reg_regno_rtx with a new register.
20618 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20619 (simplify_set): Use SUBST_MODE.
20620 (distribute_notes): Remove code that tried to update reg notes
20621 for regno_reg_rtx changes.
20623 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20625 PR tree-optimization/23109
20626 PR tree-optimization/23948
20627 PR tree-optimization/24123
20629 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20630 * tree-cfg.c (single_noncomplex_succ): New.
20631 * tree-flow.h (single_noncomplex_succ): Declare it.
20632 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20633 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20634 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20635 insert_bb, register_division_in, insert_reciprocals,
20636 replace_reciprocal, free_bb): New.
20637 (execute_cse_reciprocals_1): Rewritten.
20638 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20639 Do not commit any edge insertion. Always compute dominators and
20640 create the allocation pool.
20641 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20642 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20643 * targhooks.c (default_min_divistions_for_recip_mul): New.
20644 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20645 * passes.c (init_optimization_passes): Run recip after tree loop
20647 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20649 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20650 Kenneth Zadeck <zadeck@naturalbridge.com>
20652 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20653 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20654 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20655 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20656 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20657 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20658 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20659 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20660 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20661 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20662 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20663 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20664 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20665 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20666 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20667 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20668 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20669 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20670 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20671 DF_SCAN_POST_ALLOC): New macros.
20672 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20673 df_free_bb_function, df_local_compute_function, df_init_function,
20674 df_dataflow_function, df_confluence_function_0,
20675 df_confluence_function_n, df_transfer_function,
20676 df_finalizer_function, df_free_function, df_dump_problem_function,
20677 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20678 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20679 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20680 df_urec_bb_info, ) New types.
20681 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20683 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20684 df_analyze_simple_change_some_blocks,
20685 df_analyze_simple_change_one_block, df_compact_blocks,
20686 df_bb_replace, df_bb_regno_last_use_find,
20687 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20688 df_insn_regno_def_p, df_find_def, df_find_use,
20689 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20690 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20691 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20692 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20693 debug_df_chain, df_get_dependent_problem, df_chain_create,
20694 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20695 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20696 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20697 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20698 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20699 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20700 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20701 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20702 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20703 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20704 df_reorganize_refs, df_set_state, df_hard_reg_init,
20705 df_read_modify_subreg_p) New public functions.
20706 * df-core.c: The core dataflow solver and glue routines for rtl
20708 (df_init, df_add_problem, df_set_blocks, df_finish,
20709 df_hybrid_search_forward, df_hybrid_search_backward,
20710 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20711 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20712 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20713 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20714 df_reg_defined, df_find_use, df_reg_used, df_dump,
20715 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20716 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20717 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20718 debug_df_useno, reset_df_after_reload): New functions.
20719 * df-scan.c: The scanning fuctions, once in df.c, completely
20720 rewritten so that they now fully model the functionality of
20721 register usage at the backend.
20722 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20723 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20724 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20725 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20726 df_get_artificial_defs, df_get_artificial_uses,
20727 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20728 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20729 df_refs_delete, df_reorganize_refs, df_set_state,
20730 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20731 df_def_record_1, df_defs_record, df_uses_record,
20732 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20733 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20734 df_record_exit_block_uses, df_hard_reg_init): New functions.
20736 * df-problems.c: Seven concrete dataflow problems that use the
20737 scanning in df-scan.c and are solved by the engine in df-core.c.
20738 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20739 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20740 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20741 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20742 df_ru_free_bb_info, df_ru_alloc,
20743 df_ru_bb_local_compute_process_def,
20744 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20745 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20746 df_ru_transfer_function, df_ru_free, df_ru_dump,
20747 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20748 df_rd_free_bb_info, df_rd_alloc,
20749 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20750 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20751 df_rd_transfer_function, df_rd_free, df_rd_dump,
20752 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20753 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20754 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20755 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20756 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20757 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20758 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20759 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20760 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20761 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20762 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20763 df_urec_mark_reg_use_for_earlyclobber,
20764 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20765 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20766 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20767 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20768 df_chain_create_bb_process_use, df_chain_create_bb,
20769 df_chain_finalize, df_chain_free, df_chains_dump,
20770 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20771 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20772 df_reg_lifetime): New functions.
20773 * df.c: Deleted file.
20774 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20775 consistent with new df api.
20776 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20777 rest_of_handle_sms): Ditto.
20778 * web.c (unionfind_union, union_defs, entry_register, web_main):
20780 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20781 invariant_expr_equal_p, find_defs, check_dependencies,
20782 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20783 free_inv_motion_data, move_loop_invariants): Ditto.
20784 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20785 Update dependencies.
20786 (odf.c): Added defective entry that was deleted later in day.
20787 * sched-deps.c (sched_analyze_1): Ditto.
20789 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20791 * tree-ssa-operands.c (get_expr_operands): Record addressable
20792 variables directly. Do not call add_stmt_operands for CONST_DECLs
20794 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20795 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20797 2006-01-11 Ben Elliston <bje@au.ibm.com>
20799 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20800 function returns true in the positive case.
20802 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20805 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20806 for SI, DI, SF and DF modes. Add alternatives to copy between
20807 general and floating point registers to the 32-bit patterns.
20808 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20809 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20810 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20811 generating 64-bit code.
20812 * config/pa/pa.c (output_move_double): Handle copies between general
20813 and floating registers.
20815 2006-01-10 Stuart Hastings <stuart@apple.com>
20817 * config/i386/i386.md (set_got): Update.
20818 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20819 (builtin_setjmp_receiver): Mach-O support.
20820 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20821 (GOT_SYMBOL_NAME): Define.
20822 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20823 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20824 * config/i386/i386.c (override_options): Revise for Darwin.
20825 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20826 support. (darwin_x86_file_end): New. (output_set_got): Add label
20827 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20828 * config/i386/i386-protos.h (output_set_got): Likewise.
20829 * config/darwin.c (machopic_legitimize_pic_address): Update
20832 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20834 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20835 when MODE isn't BLKmode.
20837 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20839 PR rtl-optimization/25367
20840 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20842 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20845 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20846 for a negative bound.
20848 2006-01-10 Richard Guenther <rguenther@suse.de>
20850 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20851 Never override with anything constraint.
20853 2006-01-10 Jan Beulich <jbeulich@novell.com>
20855 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20856 256 bits when optimize_size.
20858 2006-01-10 Jan Beulich <jbeulich@novell.com>
20860 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20862 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20863 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20866 2006-01-10 Ben Elliston <bje@au.ibm.com>
20868 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20870 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20872 (USE_FP_FOR_ARG): Reject decimal float modes.
20873 (function_arg_advance): Likewise.
20874 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20875 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20876 point types in AltiVec vectors.
20877 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20878 (rs6000_libcall_value): Likewise.
20880 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20882 * config/xtensa/ieee754-df.S: New file.
20883 * config/xtensa/ieee754-sf.S: New file.
20884 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20885 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20886 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20888 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20890 * config/sh/predicates.md (binary_float_operator,
20891 binary_logical_operator, commutative_float_operator,
20892 equality_comparison_operator, greater_comparison_operator,
20893 less_comparison_operator, logical_operator,
20894 noncommutative_float_operator, shift_operator,
20895 symbol_ref_operand, unary_float_operator): Remove redundant
20898 2006-01-09 Jeff Law <law@redhat.com>
20900 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20901 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20902 now unused arguments. Callers updated.
20903 (eliminate_redundant_computations): Remove now unused arguments,
20905 (local_fold): Remove, no longer used.
20906 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20908 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20909 (simplify_cond): New function.
20910 (forward_propagate_into_cond): Call simplify_cond.
20912 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20914 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20915 (*vec_extractv2di_1_sse): New.
20917 2006-01-09 Ben Elliston <bje@au.ibm.com>
20919 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20921 2006-01-08 Richard Guenther <rguenther@suse.de>
20923 * tree-ssa-structalias.c (get_constraint_for): Remove
20924 anyoffset argument.
20925 (get_constraint_for_component_ref): Likewise.
20926 (do_deref): Likewise.
20927 (get_constraint_for): Likewise.
20928 (do_structure_copy): Likewise.
20929 (handle_ptr_arith): Likewise.
20930 (find_func_aliases): Likewise. Remove unused need_anyoffset
20933 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20934 Kaz Kojima <kkojima@gcc.gnu.org>
20936 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20937 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20938 (EXTRA_CONSTRAINT_C16): Remove.
20939 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20940 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20941 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20942 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20943 constants of SHmedia. Handle nested constant expressions of
20945 (andcosts): Fix the costs for SHmedia constants.
20946 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20947 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20948 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20949 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20950 (movv4hi_i, movv2si_i): Likewise.
20951 (movsi_const): Adjust the second operand of ior so to match with
20952 the Csu constraint.
20953 (movdi_const, movdi_const_32bit): Likewise.
20954 (movdi_const_16bit+1): Don't sign-extend LOW.
20955 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20957 (*double_shori): Fix the split condition. Use GEN_INT instead
20958 of get_int_mode calls. Mask lower 16-bit of the argument of
20960 (sym2GOTPLT): Remove.
20961 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20963 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20964 instead of EXTRA_CONSTRAINT_C16.
20966 2006-01-07 Ian Lance Taylor <ian@airs.com>
20967 David Edelsohn <edelsohn@gnu.org>
20969 PR rtl-optimization/25662
20970 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20971 for constant operands instead of simplify_gen_binary.
20972 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20973 after trying simplify_binary_operation
20975 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20977 * tree.c (iterative_hash_expr): Hash decls based on UID.
20979 2006-01-06 Eric Christopher <echristo@apple.com>
20981 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20982 (TARGET_UNWIND_EMIT): Fix spelling.
20983 * target.h (gcc_target): Add except_table_label.
20984 * except.c (output_function_exception_table): Use.
20985 * varasm.c (default_emit_except_table_label): New.
20986 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20988 (asm_out): Add here.
20989 * output.h (default_emit_except_table_label): Prototype.
20990 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20991 * config/darwin.c (darwin_emit_except_table_label): Define.
20992 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20994 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20996 PR tree-optimization/18527
20997 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20998 number_of_iterations_special, number_of_iterations_exit):
20999 Move base and step of an iv to a single structure. Add
21000 no_overflow flag, and use it in # of iterations analysis.
21001 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21002 folded_casts argument.
21003 (simple_iv): Pass base and step in a structure. Set no_overflow
21005 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21006 Evaluate expensiveness of computing # of iterations instead of
21007 the final expression.
21008 * tree-scalar-evolution.h (affine_iv): New structure.
21009 (simple_iv): Declaration changed.
21010 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21011 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21012 find_givs_in_stmt): Changed due to simple_iv change.
21014 2006-01-06 Jeff Law <law@redhat.com>
21017 * tree-cfg.c (bsi_replace): Rename final argument from
21018 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21019 change (stmt -> orig_stmt).
21020 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21021 (bsi_remove): Add new argument. Remove EH information
21023 (verify_eh_throw_table_statements): New function.
21024 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21026 * tree-optimize.c (execute_free_cfg_annotations): Verify
21027 the EH throw statement table after removing annotations.
21028 * except.h (verify_eh_throw_table_statements): Prototype.
21029 * tree-flow.h (bsi_remove): Update prototype.
21030 * tree-vrp.c (remove_range_assertions): Add new argument to
21032 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21033 * tree-complex.c (expand_complex_div_wide): Likewise.
21034 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21035 * tree-tailcall.c (eliminate_tailcall): Likewise.
21036 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21037 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21038 * tree-nrv.c (tree_nrv): Likewise.
21039 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21040 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21041 (combine_blocks): Likewise.
21042 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21043 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21044 (cleanup_control_flow): Likewise.
21045 (remove_forwarder_block): Likewise.
21046 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21047 * tree-sra.c (sra_replace): Likewise.
21048 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21049 (forward_propagate_single_use_vars): Likewise.
21050 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21051 * tree-inline.c (expand_call_inline): Likewise.
21052 * tree-vect-transform.c (vect_transform_loop): Likewise.
21053 * tree-outof-ssa.c (rewrite_trees): Likewise.
21054 * tree-cfg.c (make_goto_expr_edges): Likewise.
21055 (cleanup_dead_labels): Likewise.
21056 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21057 (bsi_move_before, bsi_move_after): Likewise.
21058 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21059 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21061 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21064 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21066 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21067 on non gimple variables. Also add checks at the top for decls and
21069 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21071 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21072 and IMAGPART_EXPR for creating MUST_DEFs.
21073 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21074 and NAME_MEMORY_TAG separately from the DECLs.
21076 2006-01-06 Richard Guenther <rguenther@suse.de>
21078 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21079 annotation, if necessary.
21080 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21081 redundant calls to update_stmt.
21082 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21085 2006-01-05 Richard Henderson <rth@redhat.com>
21087 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21089 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21091 * c-typeck.c: Update copyright date.
21093 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21095 * c-typeck.c (build_c_cast): Always warn when casting
21096 from a pointer to an integer of different size, even if
21097 the node was constant.
21099 2006-01-05 Richard Guenther <rguenther@suse.de>
21101 PR tree-optimization/22555
21102 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21103 if one structure field is an array.
21104 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21105 operands even if we found a subvar, but ignore VOPs in this
21107 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21109 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21111 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21113 PR middle-end/24998
21114 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21116 2006-01-05 Richard Guenther <rguenther@suse.de>
21117 Diego Novillo <dnovillo@redhat.com>
21119 * tree-pass.h (TODO_remove_unused_locals): Define.
21120 * gimple-low.c (expand_var_p, remove_useless_vars,
21121 pass_remove_useless_vars): Remove. Update all users.
21122 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21123 (remove_unused_locals): New function.
21124 * tree-flow.h (remove_unused_locals): Declare.
21125 * passes.c (execute_todo): Call remove_unused_locals if
21126 TODO_remove_unused_locals is set.
21127 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21128 * tree-ssa-dce.c (pass_dce): Likewise.
21129 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21131 2006-01-05 Richard Guenther <rguenther@suse.de>
21133 * tree-flow.h (struct fieldoff): Decompose field to
21134 type, size and decl.
21135 * tree-ssa-alias.c (create_sft): Take type as parameter.
21136 (create_overlap_variables_for): Store type, size and decl
21137 in the fieldoff structure.
21138 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21139 of struct fieldoff.
21140 (push_fields_onto_fieldstack): Likewise.
21141 (create_variable_info_for): Likewise. Use offset for the
21142 SFT name if the decl is not available.
21144 2006-01-04 Paul Brook <paul@codesourcery.com>
21146 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21148 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21150 * lambda-code.c (can_put_in_inner_loop): Relax
21152 (can_put_after_inner_loop): New function.
21153 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21154 (perfect_nestify): Change to make copies and modify uses.
21156 2006-01-04 Richard Henderson <rth@redhat.com>
21158 Merge from gomp branch:
21159 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21160 via integer constant.
21161 (pragma_lex): Remove.
21162 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21163 rather than parsing it.
21164 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21165 handle_pragma_extern_prefix): Add %< %> quotes.
21166 (registered_pragmas): New.
21167 (c_register_pragma_1): New.
21168 (c_register_pragma): Use it.
21169 (c_register_pragma_with_expansion): Likewise.
21170 (c_invoke_pragma_handler): New.
21171 (init_pragma): Use cpp_register_deferred_pragma directly for
21173 * c-pragma.h (enum pragma_kind): New.
21174 (pragma_handler): New.
21175 (c_invoke_pragma_handler): Declare.
21176 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21178 * c-common.h (c_common_pch_pragma): Update decl.
21179 * Makefile.in (c-parser.o): Update dependencies.
21180 (GTFILES): Add c-pragma.h.
21181 * c-parser.c (struct c_token): Add pragma_kind.
21182 (struct c_parser): Add in_pragma.
21183 (c_lex_one_token): Always initialize keyword and pragma_kind.
21184 Extract data for CPP_PRAGMA.
21185 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21186 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21187 Don't allow CPP_PRAGMA_EOL if in_pragma.
21188 (c_parser_consume_pragma): New.
21189 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21190 (c_parser_skip_to_end_of_parameter): Likewise.
21191 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21192 (c_parser_skip_to_pragma_eol): New.
21193 (c_parser_external_declaration): Handle CPP_PRAGMA.
21194 (c_parser_compound_statement_nostart): Likewise.
21195 (c_parser_statement_after_labels): Likewise.
21196 (c_parser_pragma): New.
21197 (pragma_lex): Likewise.
21198 (c_parser_pragma_pch_preprocess): New.
21199 (c_parser_new): Merge into ...
21200 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21202 2006-01-04 Jeff Law <law@redhat.com>
21205 * tree-cfg.c (bsi_replace): Remove the original statement
21206 from the EH throw statement table.
21208 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21210 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21211 make the prototype extern "C" and add throw ().
21214 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21215 and pos non-negative and pos + len <= 32.
21216 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21217 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21218 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21221 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21222 as well as sizes not multiple of component size.
21225 * function.c (instantiate_expr): New function.
21226 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21227 walk its DECL_VALUE_EXPR with instantiate_expr.
21229 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21230 DW_OP_deref{,_size} if address isn't going to be added.
21232 2006-01-04 Ben Elliston <bje@au.ibm.com>
21234 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21235 * config/fp-bit.c: Likewise.
21237 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21239 * dominance.c: Add comment about why we use DFS numbering
21242 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21243 Richard Henderson <rth@redhat.com>
21245 Merge from gomp-branch:
21246 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21247 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21249 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21251 PR rtl-optimization/25578
21252 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21253 pass a parameter to simplify_shift_const if changing ASHIFTRT
21256 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21258 * builtins.c (get_builtin_sync_mem): New function.
21259 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21260 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21261 Call get_builtin_sync_mem to generate mem rtx.
21263 2006-01-03 Richard Guenther <rguenther@suse.de>
21266 * stmt.c (add_case_node): Make sure to clear overflow flags
21269 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21271 Merge from gomp-branch.
21272 * config/sparc/sync.md: New file.
21273 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21274 UNSPECV_LDSTUB): New constants.
21275 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21276 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21277 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21280 2006-01-03 Roger Sayle <roger@eyesopen.com>
21282 * combine.c (reg_subword_p): New predicate to test whether the
21283 destination of a set refers to a subword/piece of a register.
21284 (try_combine): Generalize the code to merge the setting of a
21285 pseudo to a constant followed by a set of a subword of that
21286 register to a constant.
21288 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21290 * basic-block.h (control_flow_graph): Change the type of
21291 x_label_to_block_map to VEC(basic_block,gc) *.
21292 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21293 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21295 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21296 VEC(basic_block,heap) *.
21297 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21298 ssa_prop_fini): Adjust the uses of cfg_blocks.
21300 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21302 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21304 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21305 hashing trees instead of a pointer hash.
21306 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21307 compare for MEM_EXPR.
21309 PR rtl-optimization/25130
21310 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21311 when comparing MEMs for GCSE
21313 2006-01-03 Ben Elliston <bje@au.ibm.com>
21315 * targhooks.h (default_decimal_float_supported_p): Declare.
21316 * targhooks.c (default_decimal_float_supported_p): Define.
21317 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21318 `default_decimal_float_supported_p'.
21319 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21321 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21323 * combine.c (apply_distributive_law <SUBREG>): Check
21324 TRULY_NOOP_TRUNCATION.
21326 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21328 * dwarf2out.c (have_switched_text_section): Delete.
21329 (have_multiple_function_sections): New.
21330 (have_location_lists): Make 'bool'.
21331 (add_AT_loc_list): Use 'true' not '1'.
21332 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21333 (output_loc_list): Use have_multiple_function_sections.
21334 (output_ranges): Likewise.
21335 (dwarf2out_begin_function): Set have_multiple_function_sections if
21337 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21338 Check function_section rather than DECL_SECTION_NAME.
21339 (dwarf2out_finish): Use have_multiple_function_sections.
21340 Don't clear have_location_lists.
21342 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21343 Jan Hubicka <jh@suse.cz>
21345 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21346 case of conditional jump jumping to the next instruction.
21347 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21348 cases of conditional jump jumping to the next instruction.
21350 2006-01-02 Jan Hubicka <jh@suse.cz>
21352 * i386.c (*_cost): Add COSTS_N_INSNS.
21353 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21355 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21358 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21360 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21362 * config/arm/arm.c (all_fpus): Fix comment typo.
21363 * config/darwin.c: Likewise.
21364 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21365 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21366 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21368 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21370 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21371 (rs6000_split_compare_and_swapqhi): New.
21372 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21373 (sync_compare_and_swapqhi_internal): New.
21374 * config/rs6000/rs6000-protos.h: Declare.